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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
UCSB50116
Abies magnifica
Roberts, Fred
1981-5-10
Mono
0.8 km. W Mammoth Lakes on Minarette Summit Road; Sierra Nevada Mountains
2637
Comment
RSA0126616
Acacia
Fred M. Roberts
2012-4-27
7497
Orange
San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak.
179
Comment
UCSB52938
Acacia cyanophylla
F. M. Roberts, Jr.
1984-3-15
1260
Orange
collected 1.0 km SSW and 3.0 km W, along Back Bay Drive in Newport Back Bay Bayview School and U. C. Irvine Campus Center - Newport Back Bay, Back Bay Drive, U. C. Irvine Campus Center
2
Comment
SD245717
Acacia cyclops
Jim Roberts
2013-7-1
40
San Diego
City of San Diego; Tecolote Canyon Natural Park; Chateau Dr. entrance; trail west to third stream crossing, then north on trail toward North Clairemont Rec. Center about 190m; plant is east of trail
84
Comment
UCSB57545
Acacia longifolia
Roberts, Fred
1984-3-15
Orange
Newport Beach; Newport Backbay, along Back Bay Dr., 3.0 km. W University of California, Irvine campus center
2
Comment
IRVC22784
Acacia mearnsii
Fred M. Roberts
1985-6-2
1839
Orange
El Camino Real, 0.1km SE Beach Rd., Capistrano Beach
5
Comment
UCSB57544
Acacia pycnantha
Roberts, Fred
1984-6-2
Orange
Capistrano Beach: El Camino Real, 0.1 km. SE Beach Rd., UTM 3701800mN, 438025mE
5
Comment
UCR239623
Acacia redolens
Fred M. Roberts
2012-4-24
7497
Orange
San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak
179
Comment
RSA0029936
Acacia retinodes
Fred M. Roberts
2013-5-15
7774
Orange
San Joaquin Hills: Buck Gully, north slope, along south side of San Joaquin Hills Drive, 1.6 km NNW summit Pelican Hill.
174
Comment
RSA450873
Acacia saligna
Fred M. Roberts
1984-3-15
1260
Orange
Newport Beach; Upper Newport Back Bay, along Back Bay Drive, 3.0 km. W UC Irvine campus center; 1.0 km. SSW Bayview School.
2
Comment
UCR246517
Acacia saligna
Fred M. Roberts
2013-5-15
7774
Orange
San Joaquin Hills, Buck Gully, north slope, along south side of San Joaquin Hills Drive, 1.6 km north northwest of the summit of Pelican Hill
174
Comment
SEINET947570
Acacia trineura
Warren G. Roberts
1975-1
s.n.
Unknown
U. C. Davis Arboretum
Comment
SBBG54776
Acer macrophyllum
D. Roberts
1981-3-25
Santa Barbara
0.5 km E of east pine forest; 1.1 km SE of Chinese Harbor
Comment
UCR215282
Achillea millefolium
Fred M. Roberts
2008-5-14
6969
Orange
Lomas de Santiago, Loma Ridge, upper Bee Flat Canyon below Loma Ridge Road, 1.3 km north of Bee Peak and 5.4 km NW of Bolero Lookout. Irvine Ranch Conservancy
377
Comment
IRVC24997
Achillea millefolium var. californica
Fred M. Roberts, H. Camp & R. Fisher
1986-6-20
3020
Orange
San Joaquin Freshwater Marsh, near Campus Dr., 1.7km NNW UC Irvine campus center, Irvine
2
Comment
RSA588728
Achillea millefolium var. californica
Fred M. Roberts
1990-5-7
4602
Orange
Rancho Mission Viejo: Ridge S of Blind Canyon and E of Christianitos Canyon, TRW Lease Holding, 5.0 km NE Clemente Survey Marker
152
Comment
RSA539341
Achnatherum coronatum
Fred M. Roberts, Karlin G. Marsh
1989-3-7
4193
Orange
Lomas de Santiago: Loma Ridge, Hicks Canyon, 2.3km W Bee Survey Mark., UTM 37 32 200mN, 4 32 900mE
165
Comment
RSA542360
Achnatherum coronatum
Fred M. Roberts
1988-4-8
3897
Orange
Lomas de Santiago: Loma Ridge, Central Linestone Canyon, 4.1 kilometers NNW Bolero Lookout.
323
Comment
RSA548854
Achnatherum coronatum
Fred M. Roberts, G. A. Marsh
1986-5-16
2859
Orange
Upper Lucas Canyon watershed, Sitton Peak Truck Trail, 3km WSW Sitton Peak
730
Comment
RSA550602
Achnatherum coronatum
Fred M. Roberts
1989-4-25
4311
Orange
Santa Ana Mountains: East Rim of Blind Canyon 8.5 kilometers SW Sierra Peak, ca. 1.4 kilometer N Irvine Lake spilway., UTM Z11 37 40 100m N, 4 33 000m E
366
Comment
RSA680929
Achnatherum diegoense
Fred M. Roberts, Andy Pinolo, Kam Muri
2003-5-3
5703
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed., (32 deg 33'46N, 116 deg 47' 59W).
305
Comment
SBBG55090
Achnatherum diegoense
O. Roberts, L. Pierce
1982-3-23
Santa Barbara
cyn 0.5 km WNW of Los Pinos del Sur
249
Comment
SEINET4692114
Achnatherum diegoense
Fred M. Roberts
2001-1
5472
San Diego
San Ysidro Mtns: NW foothills just E of Otay Lake, 0.5km E Savage Dam. (Otay Mesa)
215
Comment
UCSB50330
Achnatherum diegoense
Roberts, Dar; Pierce, L.
1982-3-23
Santa Barbara
canyon, 0.5 km WNW of Los Pinos Del Sur, Santa Cruz Island.
249
Comment
UCSB36128
Achnatherum hymenoides
Roberts, Dar
1980-5-23
Kern
at junction of CA Hwy 178 with CA Hwy 14.
975
Comment
RSA599651
Achyrachaena mollis
Fred M. Roberts
1995-4-21
4932
Orange
Irvine: San Joaquin Hills, Quail Hill area near end of San Canyon Road, 2.5 km ENE French Hill.
52
Comment
SD187926
Acmispon americanus var. americanus
Laurie Roberts, Lane McClelland
2006-5-29
15
San Diego
Descanso. NW base of Guatay peak, along Old Highway 80, just NE of its intersection with SR- 79.
1098
Comment
UCSB47538
Acmispon argophyllus var. niveus
Roberts, Fred
1982-5-10
Santa Barbara
Santa Cruz Island; Canyon del Puerto, 3.0 km. NE Research Station; 1.8 km. NW Valley Peak
7
Comment
RSA0127414
Acmispon glaber var. glaber
Fred M. Roberts
2016-3-17
8009
Orange
San Joaquin Hills: City of Irvine, Bommer Canyon, east fork, 0.3 km ESE Cattle Camp near East Fork Trail.
152
Comment
SD164469
Acmispon glaber var. glaber
Fred M. Roberts
2001-4-9
5407
San Diego
Jamul Mtns.: SW slopes, NE of Upper Otay Lake, 5.4 km SE summit Mother Miguel Mtn. Otay Lakes North MSCP parcel. Knoll along ridge on mostly gentle SW-facing slope in rocky, open coastal sage scrub and annual grassland
309
Comment
SD233837
Acmispon glaber var. glaber
Fred M. Roberts, M. White, D. Flietner
2003-5-4
5810
San Diego
Peninsular Range San Ysidro Mountains: Otay Mtn, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242
470
Comment
UCR267188
Acmispon glaber var. glaber
Fred M. Roberts
2010-3-12
7180
Orange
Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center
50
Comment
SD242587
Acmispon grandiflorus var. grandiflorus
Fred Roberts
2011-6-2
7440
San Diego
Jamul; Lawson Peak: Lawson Truck Trail, 2.0 km SE Lawson Peak summit & about 0.75 km west of Lyons Valley Rd., Barrett Lake USGS 7.5min quad, UTM 11S 05 27 230mE, 36 19 699mN.
760
Comment
UCSB52931
Acmispon micranthus
Roberts, Jr., Fred
1983-5-19
Orange
Laguna Beach: Sycamore Hills, near Laguna Canyon Rds.; 1.6 km. NNE jct. El Toro and Laguna Canyon Rds.; 5.1 km. ESE Signal Peak
130
Comment
UCSB51644
Acmispon parviflorus
Roberts, Fred
1984-3-22
Santa Barbara
Santa Cruz Island; Upper Cuesta Valdez area, 2.6 km. WNW Diablo Peak; 0.5 km. NNE Bench Mark 1697
400
Comment
SD233841
Acmispon strigosus
Fred M. Roberts, M. White, D. Flietner
2003-5-4
5766
San Diego
Peninsular Range San Ysidro Mountains: Otay Mtn, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242
427
Comment
RSA0014075
Acourtia microcephala
Fred M. Roberts
2008-5-27
7005
Orange
Lomas de Santiago: Loma Ridge, Hicks Cyn., c.a. 0.2km beyond Hicks Cyn., Gate, 2.2km WNW Bee Peak, Irvine Ranch conservancy
213
Comment
UCSB48009
Acourtia microcephala
Roberts, Fred
1980-7-11
Orange
Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 2.4 km. ENE San Juan Guard Station; 0.3 km. W of Bench Mark 1100
345
Comment
IRVC25000
Acroptilon repens
Fred M. Roberts, Helen Camp & Bill Bretz
1986-6-20
3025
Orange
San Joaquin Freshwater Marsh, near Campus Dr., 1.7km NNW UC Irvine campus center, Irvine
2
Comment
RSA542407
Adenostoma fasciculatum var. fasciculatum
Fred M. Roberts
1988-4-8
3895
Orange
Lomas de Santiago: Loma Ridge, Central Linestone Canyon, 4.1 kilometers NNW Bolero Lookout.
323
Comment
RSA588887
Adiantum capillus-veneris
Fred M. Roberts
1990-6-4
4667
Orange
Santa Ana Mts. Hall Canyon, 1.8 km NNW Mustand Spring at east edge of flying B Ranch.
421
Comment
UCR215286
Adiantum jordanii
Fred M. Roberts
2008-5-14
6960
Orange
Lomas de Santiago, Loma Ridge, upper Bee Flat Canyon below Loma Ridge Road, 1.3 km north of Bee Peak and 5.4 km NW of Bolero Lookout. Irvine Ranch Conservancy
337
Comment
SD148650
Adolphia californica
Fred M. Roberts
2001-4-18
5433
San Diego
Along Black Mountain Road, 0.5 km southeast Doug Survey Marker.
213
Comment
SD148651
Adolphia californica
Fred M. Roberts
2001-4-6
5398
San Diego
La Zanja Canyon, 1.2 km southwest Doug Survey Marker, north of Carmel Valley Road.
121
Comment
SD148652
Adolphia californica
Fred M. Roberts
2001-4-27
5443
San Diego
Ridge above Lusardi Creek below La Jolla Valley, ca. 2.1 km eastsoutheast confluence with San Dieguito River.
78
Comment
SD164430
Adolphia californica
Fred M. Roberts
2001-4-19
5437
San Diego
Lusardi Creek MSCP parcel: Mesas north of Lusardi Creek, 1.2 km NE Low South Survey Marker. E-facing slope on a rocky clay lens dominated by native grassland and surrounded by coastal sage scrub.
91
Comment
SD196629
Adolphia californica
Fred Roberts
2007-4-6
6510
San Diego
Carlsbad: La Costa Greens CNLM Preserve, east side of El Camino Real, c.a. 1.6 km S Palomar Airport Rd.
78
Comment
RSA716088
Aeonium
Fred M. Roberts
2006-7-27
6397
Orange
San Joaquin Hills: Laguna Beach, Temple Hill, 731 Nyes Place, 1.0km NNE Golf Island.
174
Comment Read comments Dec 21 2019
SD180752
Agave deserti var. deserti
Fred Roberts, Carol A. Roberts
2005-6-14
6251
San Diego
East of Jacumba Valley, along SR 94, 1.9km by road W jct. I-8, 2.4km SE Squaw Tit Peak and 1.7km S Mica Gem Mine.
964
Comment
RSA679216
Agoseris grandiflora var. grandiflora
Fred M. Roberts
2003-6-17
5917
Orange
Just NE of Falcon roup Camp, 2.1km ESE Los Pinos Peak just west of main road.
1009
Comment
RSA708526
Agoseris retrorsa
Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield
2005-5-30
6238
Orange
Modjeska Peak, north slope along summit road, c.a. 50 meters NNW, by air, summit.
1643
Comment
UCSB48196
Agrostis exarata
Roberts, Fred
1981-6-26
Orange
Santa Ana Mtns; Viejo Canyon, 0.5 km N of CA Route 74, 2.7 km ENE of San Juan Guard Station
317
Comment
RSA542331
Agrostis pallens
Fred M. Roberts, K. Keane
1988-5-25
3996
Orange
Rancho Mission Veijo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Marker., UTM 3710600m N, 443550m E.
91
Comment
RSA773555
Agrostis pallens
Fred M. Roberts
2008-6-3
7029
Orange
Lomas de Santiago: Loma Ridge, East Fork Rattlesnake Canyon, ca. 2.6 km NE of Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak
235
Comment
RSA788920
Agrostis pallens
Fred M. Roberts
1999-6-10
5242
Orange
Lomas de Santiago: Loma Ridge, Central Limestone Cyn., adjacent to the Sinks, 0.7 km E Bolero Spring and 1.9 km NW Bolero Lookout.
411
Comment
UCR215278
Agrostis pallens
Fred M. Roberts
2008-5-14
6968
Orange
Lomas de Santiago, Loma Ridge, upper Bee Flat Canyon below Loma Ridge Road, 1.3 km north of Bee Peak and 5.4 km NW of Bolero Lookout. Irvine Ranch Conservancy
377
Comment
RSA725516
Ailanthus altissima
Fred M. Roberts, Robert L. Allen
2007-9-28
6614
Orange
Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado.
347
Comment
UCR189302
Ailanthus altissima
Fred M. Roberts, R. L. Allen
2007-9-28
6599
Orange
Foothill Trabuco, Upper Aliso Creek at SE corner of El Toro Road and Valle Vista Way, c. 1.8 km NE Upper Oso Reservoir
308
Comment
UCSB36156
Aira caryophyllea
Roberts, Dar
1980-4-26
Monterey
Hastings Natural History Preserve
167
Comment
SD181829
Alisma triviale
Fred Roberts, Rod Dossey
2005-5-31
6245
San Diego
Miramar Marine Corps Air Station: along Kearny Villa Rd. between Kearny Villa Rd. and SR 163.
130
Comment
UCR220087
Allium cratericola
Fred M. Roberts, Carol A. Roberts
2009-5-2
6937
Ventura
Transverse Ranges, Wagon Wheel Canyon, along Lockwood Valley Road, c. 6.3 km west of Mutau Flat Road
1493
Comment
UCR215292
Allium haematochiton
Fred M. Roberts, D. E. Bramlet
2008-5-13
6952
Orange
Santa Ana Mountains, upper Weir Canyon, central fork, 3.5 km NE of Robbers Peak
369
Comment
UCR209392
Allium marvinii
Fred M. Roberts
2005-5-11
6183
San Bernardino
San Bernardino Mountain foothills, tributary to Water Canyon, northeast of the junction of Water Canyon and Wildwood Canyon Roads
967
Comment
IRVC28405
Allium peninsulare
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5720
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
IRVC28468
Allium praecox
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5816
San Diego
Otay Mtn; head fo canyon ca. 2 milesNW of Otay Mtn Peak, ca. 0.5 mile WSW of peak 2242, S of peak 1517. Peninsular Ranges, San Ysidro Mountains
396
Comment
RSA681018
Allium praecox
Fred M. Roberts, David E. Bramlet
2003-3-7
5568
Orange
Donna O Neill Land Conservancy; Ridge west of Christianitos Canyon, Middle Ridge Trail, 1.1km NW Gato Gate.
178
Comment
SD164586
Allium praecox
Fred M. Roberts
2001-3-19
5384
San Diego
Proctor Valley, west slopes of Jamul Mountain, west of Upper Otay Lake, 4.5 km southeast [of] summit, Mother Miguel Mountain. Northwest-facing slope in open, grassy coastal sage scrub.
213
Comment
RSA548870
Allium praecox
Fred M. Roberts
1987-4-3
3342
Orange
Irvine: San Joaquin Hills, Central Shadey Canyon, 2.8 kilometers NE Signal Hill.
103
Comment
RSA581438
Alnus rhombifolia
Fred M. Roberts, Gordon Marsh
1932-2-7
4357
Orange
Santiago Canyon, Flemming Regional Park, just E of Modjeska at end of paved road, c.a. 3.0 km WSWLaurel Springs.
436
Comment
RSA725522
Alnus rhombifolia
Fred M. Roberts, Robert L. Allen
2007-9-28
6602
Orange
Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado.
347
Comment
SBBG25318
Alnus rhombifolia
W. Roberts
1963-4-10
20
Monterey
watershed of Carmel River, E side of Cachagua Rd, ca. 9.3 mi from Tularcitos Rd, via Prince's Camp
243
Comment
UCD110022
Alnus rhombifolia
Warren Roberts
1963-4-10
20
Monterey
Crown at water table, watershed of Carmel River, east side of Cachagua Road, 9.3 miles from Tularcitos Road via Prince's Camp.
243
Comment
UCSB47987
Alnus rhombifolia
Roberts, Jr., Fred
1980-6-25
Orange
Santa Ana Mtns., San Juan Canyon below Calif. Rte. 74, 2.4 km. ENE San Juan Guard Station; 0.3 km. WSW BM 1100
290
Comment
RSA737481
Aloe saponaria
Fred M. Roberts
2008-3-12
6735
Orange
Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor).
50
Comment
RSA731751
Amaranthus albus
Fred M. Roberts
2007-11-9
6653
Orange
San Juan Canyon along San Juan Creek, about 0.6 km E San Diego FWY.
24
Comment
SD257996
Amaranthus albus
Jim Roberts, B. Edwards, T. Robertson
2014-10-5
69
San Diego
City of San Diego; Tecolote Canyon Natural Park; about 200m east of native garden and visitors center, N side of Tecolote Road
14
Comment
RSA719405
Amaranthus blitoides
Fred M. Roberts, Robert L. Allen
2006-10-8
6430
Orange
San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch.
4
Comment
UCSB48240
Amaranthus blitoides
Roberts, Fred
1981-7-21
Orange
Rancho Mission Viejo; Calif. Rte. 74, 9.2 km. ENE San Juan Capistrano
100
Comment
UCSB52950
Amaranthus blitoides
Roberts, Fred
1983-9-26
Orange
Santa Ana Mtns.; Lion Canyon, Chiquito Basin Trail, 3.6 km. NNE Lower San Juan Picnic Ground; 4.0 km SSE Los Pinos Peak
820
Comment
IRVC24277
Amaranthus blitoides
Fred M. Roberts, G. A. Marsh
1985-10-26
2522
Orange
Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal
4
Comment
UCSB48239
Amaranthus powellii
Roberts, Fred
1981-7-8
Orange
Rancho Mission Viejo; Calif. Rte. 74, 10.5 km. by road, ENE San Juan Capistrano
104
Comment
RSA743511
Amblyopappus pusillus
Fred M. Roberts
2008-4-9
6862
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor).
45
Comment
UCR223966
Amblyopappus pusillus
Fred M. Roberts
2008-4-9
6862
Orange
South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Outlook 2, 0.7 km west of Marine Institute, Dana Point Harbor
52
Comment
UCSB48044
Ambrosia acanthicarpa
Roberts, Fred
1981-9-26
Orange
Anaheim Bay; Calif. Rte. 1 at southern margin of Naval Weapons Station, 1.7 km. SE McGaugh School; 1.1 km. W Hog Island
1
Comment
IRVC22903
Ambrosia dumosa
Fred M. Roberts, T. M. Burrows
1984-8-31
1403
Imperial
S-2; 6.5km N by road of Ocotillo; ca. 18km SSW Carrizo Mtns. Sonoran desert
230
Comment
SD253594
Ambrosia monogyra
Jim Roberts
2014-2-20
58
San Diego
City of San Diego; Navajo Canyon Open Space; near intersection of Alvarado Canyon Road and Adobe Falls Road
39
Comment
RSA0042768
Ambrosia psilostachya
Fred M. Roberts
2012-7-18
7679
Orange
San Joaquin Hills: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill.
37
Comment
SD192214
Ambrosia psilostachya
Fred Roberts, Carol A. Roberts
2006-10-15
6444
San Diego
Miramar Marine Corps Air Station: Rose Cyn., south of Miramar Way between Schilt Rd. and Obregon Ave.
135
Comment
IRVC21741
Ambrosia psilostachya var. californica
Fred M. Roberts
1984-10-18
1429
Orange
San Juan Canyon, 2.5km ENE San Juan Guard Station; 4.0km WNW Sitton Peak, Santa Ana Mountains
310
Comment
RSA615546
Ambrosia pumila
Fred M. Roberts
1997-6-29
5043
Riverside
Warm Springs Valley: Nichols Road, 0.3 km by road W jct. I-15 near head of Walker Canyon, ca 2.8 km NW Lake Elsinore.
117
Comment
UCR281019
Ambrosia salsola var. salsola
Fred M. Roberts
2016-3-5
7998
Riverside
Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602"
116
Comment
UCR189542
Ammannia coccinea
Fred M. Roberts, S. Leatherman
2007-9-19
6579
Riverside
Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge
128
Comment
UCR267219
Ammannia coccinea
Fred M. Roberts, Sandra L. Leatherman
2008-9-3
7083
Orange
Santa Ana River Canyon, YORBA LINDA: Santa Ana River, 0.7 km W Gypsum Canyon bridge, south of La Palma Ave.
107
Comment
SD227923
Amorpha californica
Jim Roberts
2013-4-17
2
San Diego
City of San Diego; Tecolote Canyon Natural Park; on trail from entrance 0.20 miles S of Marlesta Dr. on W side of Genesee Ave., about 20m S of first stream crossing on west side of service road
64
Comment
RSA703704
Amorpha fruticosa
Fred M. Roberts, David E. Bramlet
2004-7-30
6090
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy Cristianitos Canyon, along Cristianitos Ck., 0.93 km SSW Gato Gate and 0.23 km W Cristianitos Road.
76
Comment
RSA725474
Amorpha fruticosa
Fred M. Roberts, Megan Lulow
2007-7-30
6544
Orange
Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area.
253
Comment
UCSB53363
Amphiscirpus nevadensis
Roberts, Dar; Forbes, Holly
1983-7-22
Mono
SE of Pister's Pond (pupfish refuge), 50m south of pond on west edge of drainage. NW end of slough, within fenced area
Comment
IRVC29087
Amsinckia intermedia
Fred M. Roberts
1989-3-17
4202
Orange
Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park
30
Comment
RSA0127413
Amsinckia intermedia
Fred M. Roberts
2016-3-17
8008
Orange
San Joaquin Hills: City of Irvine, Bommer Canyon, east fork, 0.3 km ESE Cattle Camp near East Fork Trail.
152
Comment
SBBG55120
Amsinckia intermedia
D. Roberts
1982-3-24
Santa Barbara
1.9 km SW of Devil's Pk on rd to Lagunitas Secas from Centinela Grade top
445
Comment
UCSB43426
Amsinckia intermedia
Roberts, Dar
1982-3-24
Santa Barbara
1.9 km SW of Devil's Peak on road to Lagunitas Secas from Centinella Grade top; Santa Cruz Island
445
Comment
IRVC29097
Amsinckia menziesii
Fred M. Roberts
1989-3-17
4212
Orange
Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park
30
Comment
IRVC22198
Amsinckia menziesii var. intermedia
Fred M. Roberts
1985-4-8
1636
Orange
San Joaquin Hills, Turtle Rock area, hill 1.1km SE French Hill, Irvine
196
Comment
RSA688982
Anagallis arvensis
Fred M. Roberts, D. E. Bramlet
2003-4-10
5640
Orange
Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate.
216
Comment
RSA678734
Anagallis arvensis
Fred M. Roberts, Carol A. Roberts, Robert Allen
2003-5-11
5861
Orange
Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive.
73
Comment
RSA0042764
Anemopsis californica
Fred Roberts
2012-7-18
7671
Orange
San Joaquin Hills: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill.
37
Comment
SEINET3990884
Angelica lineariloba
J. Robertson, Y. Robertson
1979-7-19
s.n.
Mono
Sweetwater Mts., Frying Pan Canyon, Star City Rd., road fork at beginning of jeep trail
2316
Comment
RSA716663
Anisodontea scabrosa
Fred M. Roberts, Amber Oneal
2004-8-18
6097
Orange
San Juan Capistrno: Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano.
54
Comment
IRVC21319
Anthemis cotula
Fred M. Roberts
1982-7-31
788
Orange
0.3km NNW Clemente Survey Mark; 1.2km NNE Civiv Center, San Clemente
220
Comment
RSA542472
Anthemis cotula
Fred M. Roberts
1988-4-14
3926
Orange
IRVINE: south of the San Diego Freeway, 1.2 km. ENE French Hill.
41
Comment
RSA539362
Antirrhinum coulterianum
Fred M. Roberts, Carol A. Roberts
1988-6-9
4075
Orange
Santa Ana Mountains: Main Divide Truck Trail, saddle between Modjeska Peak and Santiago Pk., 0.5 km Ee summit of Modjeska Pk.
1445
Comment
RSA594824
Antirrhinum kelloggii
Fred M. Roberts, Sandra Leatherman, Brian Leatherman
1994-4-24
4918
Orange
Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1 kilometers NNW San Juan Survey Mark.
268
Comment
RSA680927
Antirrhinum nuttallianum
Fred M. Roberts, Andy Pinolo, Kam Muri
2003-5-3
5701
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed.
305
Comment
UCR128517
Antirrhinum nuttallianum
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5701
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed
305
Comment
RSA542506
Antirrhinum nuttallianum subsp. nuttallianum
Fred M. Roberts
1987-4-28
3393
Orange
IRVINE: San Joanuin Hills, lateral to Upper Sand CAnyon, 2.3 km SE French Hill.
107
Comment
RSA584718
Antirrhinum nuttallianum subsp. nuttallianum
Fred M. Roberts
1989-5-18
4368
Orange
Santa Ana Mountains: Upper Gypsum canyon, above ridge road, ca. 6.4 km WSW Sierra Peak.
415
Comment
RSA588656
Antirrhinum nuttallianum subsp. nuttallianum
Fred M. Roberts, Carol A. Roberts
1990-5-23
4651
Orange
Santa Ana Mtns: West Fork, Upper Long Canyon, near Main Divide Truck Trail, 4.5 km SE Los Pinos Peak.
756
Comment
RSA743494
Antirrhinum nuttallianum subsp. subsessile
Fred M. Roberts
2008-3-19
6784
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor.
45
Comment
SD233985
Antirrhinum nuttallianum subsp. subsessile
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5763
San Diego
Peninsula Range, San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi WSW of peak 2242.
427
Comment
IRVC20471
Apiastrum angustifolium
Fred M. Roberts
1983-5-4
1023
Orange
Temple Hill, Upper Rancho Laguna Canyon, 1.7km SSW Top of the World Sch.; 1.4km ENE Cactus Point, Laguna Beach
200
Comment
SD233719
Apiastrum angustifolium
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5724
San Diego
Peninsular Range, San Ysidro mtns.: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River watershed. Canyon bottom along stream course.
167
Comment
UCSB56684
Apiastrum angustifolium
Roberts, Fred
1983-2-25
Orange
Laguna Beach; Goff Ridge, south flank of Temple Hill, 0.9 km. NNE Goff Island
180
Comment
RSA450848
Apiastrum angustifolium
Fred M. Roberts
1983-5-4
1023
Orange
Laguna Beach: Upper Rancho Laguna canyon, 1.7km SSW Top of the World Sch.; 1.4km ENE Cactus Point
200
Comment
SEINET5340455
Arabis lignifera
J. Robertson, Y. Robertson
1979-6-20
s.n.
Mono
Masonic Hills across road from sign "Masonic Upper Town".
2469
Comment
SEINET5340629
Arabis platysperma var. platysperma
J. Robertson, Y. Robertson
1979-7-19
s.n.
Mono
Windswept ridge.
3048
Comment
CHSC83110
Arctostaphylos densiflora
Warren Roberts
1967-1-29
Monterey
End of El Caminito. Carmel Valley.
Comment
SD237853
Arctostaphylos glandulosa subsp. crassifolia
Fred Roberts, Jessica Vinje
2007-10-31
6632
San Diego
Encinitas: Manchester CNLM Preserve, near NE gate, 2.0 km ESE Oakcrest Park [Encinitas Quad: UTM 11S 04 76 902mE, 36 55 248mN].
68
Comment
SD198409
Arctostaphylos glandulosa subsp. glandulosa
Laurie Roberts, Lane McClelland
2006-5-2
7
San Diego
Descanso. Just N of I-8, ca. 1 1/3 mi E of its intersection with SR-79.
1098
Comment
SD237859
Arctostaphylos glandulosa subsp. glandulosa
Fred Roberts, Michelle Balk
2008-2-29
6710
San Diego
Del Mar: Crest Canyon Preserve, just west of Durango Dr., 0.3 km NNW intersection of Durango Dr. and Del Mar Heights Rd. [Del Mar Quad: UTM 11S 04 76 264mE, 36 45 886mN].
111
Comment
CAS-BOT-BC24747
Arctostaphylos glandulosa subsp. glandulosa
E. E. Roberts
1948-5-1
s.n.
Santa Barbara
20 mi. e. of Santa Maria, near n. fork of La Brea Creek.
914
Comment
UCR171803
Arctostaphylos glauca
Fred M. Roberts, F. T. Sproul
2001-6-8
5491
San Diego
Gonzales Canyon, Ridge just N of Torrey Highlands Park, c.a. 0.8km NNE Torrey Pines High School. (Del Mar)
79
Comment
UCD51556
Arctostaphylos insularis
Warren Roberts
1973-9-19
Santa Barbara
Santa Cruz Island.
Comment
SFV8793
Arctostaphylos manzanita
E. Roberts
1964-3-25
17
Mendocino
West of Indian Creek, 0.5 miles south of Philo.
Comment
UCD51962
Arctostaphylos manzanita
Warren Roberts
1967-9-25
Siskiyou
Near Somes Bar.
Comment
UCD51964
Arctostaphylos manzanita
Warren Roberts
1967-9-25
Siskiyou
Near Somes Bar.
Comment
UCD51974
Arctostaphylos manzanita
Warren Roberts
1967-9-25
Siskiyou
Near Somes Bar.
Comment
UCR209395
Arctostaphylos rainbowensis
Fred M. Roberts
2007-4-13
6514
Riverside
Santa Ana Mountains, vicinity of Santa Rosa Plateau, Carancho Road, 0.2 km west of the junction with Camaron Road, 1.3 km wet of the summit of Mesa de La Punta
360
Comment
UCR209396
Arctostaphylos rainbowensis
Fred M. Roberts
2007-4-13
6515
Riverside
Santa Ana Mountains, south of Mesa de Colorado on the Santa Rosa Plateau, northwest corner of El Calamar Road and Via Escalon, 1.6 km west-northwest of the summit of Mesa de La Punta
536
Comment
UCR209397
Arctostaphylos rainbowensis
Fred M. Roberts
2007-4-13
6516
Riverside
Santa Ana Mountains, south of Mesa de Colorado on the Santa Rosa Plateau, north side of El Calamar Road and Via Escalon, 0.8 km west-northwest of the summit of Mesa de La Punta
447
Comment
CAS-BOT-BC43813
Arctostaphylos stanfordiana
Robin Roberts
1983-4-3
88
Mendocino
Mendocino, Maplecreek Bdg and Hwy 28.
400
Comment
RSA766879
Arctostaphylos viridissima
Fred M. Roberts, Holly Forbes, Bruce Orr
1982-2-13
444
Santa Barbara
0.5 miles west of road along ridge, Point Sal State Beach
335
Comment
RSA539357
Argemone munita subsp. robusta
Fred M. Roberts
1988-6-10
4101
Orange
Santa Ana Mountains: Modjeska Peak, 0.4 km WSW summit.
1621
Comment
RSA719415
Argyranthemum foeniculaceum
Fred M. Roberts, Lee Ann Caranza
2006-10-25
6451
Orange
Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch.
58
Comment
RSA752035
Argyranthemum foeniculaceum
Fred M. Roberts
2008-3-27
6814
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 1, 0.5km W Marine Institute (Dana Point Harbor).
45
Comment
RSA542374
Aristida adscensionis
Fred M. Roberts
1988-4-8
3893
Orange
Lomas de Santiago: Loma Ridge, Central Linestone Canyon, 4.1 kilometers NNW Bolero Lookout.
323
Comment
RSA542514
Aristida adscensionis
Fred M. Roberts
1987-3-31
3321
Orange
Lomas de Santiago: Lomas [Loma] Ridge, upper Serrano Canyon, east fork, reservoir, 2.7 kilometers SE Bolero Lookout, UTM 3727900m N, 441800m E.
424
Comment
RSA588884
Aristida adscensionis
Fred M. Roberts, D. Bontrager
1990-6-5
4670
Orange
Rancho Mission Viejo: Uper Gabino Canyon, near Orange County line, 3.9 kilometers E Point Ranch Survey Marker; UTM Z11 37 10 300m N, 4 52 100m E.
280
Comment
UCR215299
Aristida adscensionis
Fred M. Roberts
2008-4-24
6929
Orange
Lomas de Santiago, Loma Ridge, lower Hicks Canyon 350 m east of Haul Rd., 1.9 km east of Rattlesnake Cyn. Reservoir dam and 2.1 km west of Bee Peak, Irvine Ranch Conservancy
180
Comment
UCSB51646
Aristida divaricata
Roberts, Fred
1984-3-21
Santa Barbara
Santa Cruz Island; ridge NE of Coches Prietos along road; 2.0 km SSE of Field Station
Comment
RSA749350
Aristida purpurea
Fred M. Roberts
2008-4-22
6923
Orange
Lomas de Santiago: Loma Ridge, Lower Hicks Cyn.,along Haul Rd. near asphalt plant, 2.2 km ENE Rattlesnake Reservoir dam and 2.2 km WNW Bee Peak, Irvine Ranch Conservancy.
188
Comment
RSA588773
Aristida purpurea var. parishii
Fred M. Roberts, Carol A. Roberts, D. Bontrager
1990-4-28
4590
Orange
Rancho Mission Viejo: Christianitos Canyon, 4.0 kilometers E Playa Survey Marker; UTM Z11 37 06 600m N, 4 47 600m E.
174
Comment
UCSB52874
Aristida purpurea var. parishii
Roberts, Fred
1983-4-16
Orange
Laguna Beach, Sycamore Hills, central ridge; 1.4 km NNE jct of El Toro and Laguna Cyn Rds; 5.4 km ESE Signal Peak
117
Comment
RSA588885
Aristida purpurea var. purpurea
Fred M. Roberts, D. Bontrager
1990-6-5
4669
Orange
Rancho Mission Viejo: Uper Gabino Canyon, near Orange County line, 3.9 kilometers E Point Ranch Survey Marker., UTM Z11 37 10 300m N, 4 52 100m E.
280
Comment
RSA0013969
Aristida ternipes var. hamulosa
Fred M. Roberts
2008-4-22
7167
Orange
Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., along Haul Road near asphalt plant, 2.2km ENE Rattlesnake Reservoir dam and 2.2km WNW Bee Peak, Irvine Ranch Conservancy
188
Comment
UCR209341
Aristida ternipes var. hamulosa
Fred M. Roberts
2008-4-22
7167
Orange
Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, along Haul Road near asphalt plant, 2.2 km east-northeast of Rattlesnake Reservoir Dam and 2.2 km west-northwest of Bee Peak, Irvine Ranch Conservancy
188
Comment
RSA610243
Aristida ternipes var. hamulosa
Fred M. Roberts, Tony Bomkamp
1997-3-19
4986
San Diego
Rancho Mission Viejo: Canada Gobernadora, east slope, 2 kilometers SSE Median Rancho Survey Mark, 1.8 kilometer N CA Rte. 74,
104
Comment Read comments Mar 5 2009
RSA0044743
Artemisia californica
Fred M. Roberts, Arthur Davenport
2003-9-11
6018
Orange
Rancho Mission Viego: Donna O'Neill Land Conservancy, Cristianitos Cyn., 85m SSW Sycamore Gate, 35m W of Cristianitos Road.
119
Comment
SD192217
Artemisia californica
Fred Roberts
2006-7-6
6363
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
IRVC25177
Artemisia douglasiana
Fred M. Roberts, Brenda Fugle
1986-10-1
3156
Orange
Laguna Hills; creek channel along Cabot Rd. ca. 1.0km N Pacific Park Pkwy. Southern Coastal
99
Comment
IRVC3140
Artemisia douglasiana
Fred M. Roberts
1986-9-3
3140
Orange
adjacent to Anaheim, between Yorba Linda Regional Park and Imperial Hwy, Santa Ana River
88
Comment
RSA703143
Artemisia douglasiana
Fred M. Roberts, Arthur Davenport
2003-9-11
6012
Orange
Rancho Mission Viejo; Donna O'neill Land Conservancy, Cristianitos Cyn., 0.79 km N of Sycamore Gate, 0.23 km W of Christianitos Road.
126
Comment
IRVC21190
Artemisia douglasiana
Fred M. Roberts
1984-8-11
1375
San Bernardino
Lake Arrowhead; N shore; Winter Harbor off N Shore Dr. San Bernardino Mountains
1505
Comment
SEINET7153155
Artemisia ludoviciana subsp. incompta
J. Robertson, Y. Robertson
1979-7-18
s.n.
Mono
Narrow, rocky, dry canyon near trail crossing
2743
Comment
UCR247920
Artemisia palmeri
Fred M. Roberts
2012-7-18
7669
Orange
SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill
37
Comment
CAS-BOT-BC97251
Artemisia tridentata
Robertson
1974-6-24
NW 114 -74
Mono
17 mi. East of Hwy. 395 on Cal. 120; Road to Benton; 25 mi. from Benton
2316
Comment
SEINET7239503
Artemisia tridentata subsp. wyomingensis
J. H. Robertson
1974-6-25
NW 117 -74
Mono
2 miles east of Benton, on dump road
1792
Comment
RSA788913
Arundo donax
Fred M. Roberts
2008-9-17
7099
Orange
Peninsular Ranges: Yorba Linda: Santa Ana River Canyon, Santa Ana River, 0.7 km W Gypsum Cyn. Rd. bridge, south of La Palma Ave.
107
Comment
RSA542588
Asclepias eriocarpa
Fred M. Roberts, K. Keane
1988-5-25
3998
Orange
Rancho Mission Viejo: Lower Canada Chiquita, 1.9km SSE Medium Rancho Survey Mark, UTM 3710800m N, 443500m E
90
Comment
RSA788899
Asclepias fascicularis
Fred M. Roberts
2008-6-12
7041
Orange
Lomas de Santiago: Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd.
251
Comment
UCR233746
Asclepias fascicularis
Fred M. Roberts
2008-6-12
7041
Orange
Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd.
251
Comment
UCSB53291
Asclepias speciosa
Roberts, Dar
1983-7-22
Mono
SE of Pister's Pond (pupfish refuge) at NW end of slough, within fenced area; Fish Slough; a desert wetland system 4.5 mi. north of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis
1341
Comment
SD192108
Asparagus asparagoides
Fred Roberts
2006-7-6
6353
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
IRVC28476
Aspidotis californica
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5808
San Diego
Otay Mtn; head of cyn 2 miles NW of Otay Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
470
Comment
SD233635
Aspidotis californica
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5742
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River watershed.
167
Comment
SD233636
Aspidotis californica
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5808
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mtn. peak, ca. 0.4 mi. WSW of peak 2242.
470
Comment
UCR128870
Aspidotis californica
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5808
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
470
Comment
IRVC20218
Aspidotis californica
Fred M. Roberts
1982-9-29
817
Orange
Niguel Hill, 2.1km NE Aliso Peak; 1.0km WSW Alicia Fire Sta., Laguna Niguel
249
Comment
UCSB52883
Asplenium vespertinum
Roberts, Fred; Allen, R.
1983-4-10
Orange
Santa Ana Mtns; Upper Hot Springs Canyon, 2.3 km SW Falcon Group Camp; 1.9 km S Los Pinos Peak.
852
Comment Read comments Feb 26 2013
SBBG60643
Aster
G. Robertson
-Aug-1903
Unknown
Sierra San Pedro Martir
2286
Comment
RSA594815
Aster radulinus
Fred M. Roberts, Steve Boyd
1992-10-14
4852
Orange
Santa Ana Mts.: ridge south of Mabey Canyon, just north of Skyline Drive near Orange County line, 2.7 km southeast of Sierra Peak
820
Comment
IRVC20503
Aster subulatus var. ligulatus
Fred M. Roberts
1983-9-29
1137
Orange
San Joaquin Freshwater Marsh, 1.9km NNW UCI campus center, Irvine
2
Comment
RSA715694
Aster subulatus var. ligulatus
Fred M. Roberts, Chris M. Barnhill
2005-9-27
6275 A
Orange
San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano,
27
Comment
IRVC24275
Aster subulatus var. ligulatus
Fred M. Roberts, G. A. Marsh
1985-10-26
2525
Orange
Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal
4
Comment
UCR123328
Astragalus bicristatus
Fred M. Roberts
2001-7-5
5512
San Bernardino
San Bernardino Mtns, White Mtn.Ridge, c. 0.4 km WSW of the summit of White Mtn. Peak and 0.9 km NNW of South Peak, west of Forest Service Road 3N17
2299
Comment
SEINET8075551
Astragalus curtipes
Maria Roberts, Antonia Mata; Chris Ross; Aaron Schmidt
2014-5-20
1
San Luis Obispo
Southern slope of South Hill Open Space, west of the trail, San Luis Obispso.; 0
88
Comment
SD242590
Astragalus deanei
Fred Roberts, Carol A. Roberts
2010-3-14
7186
San Diego
Dehesa: Jamacha Valley, along Glen Willow Rd., 0.15km S jct. with Camino de las Piedras Rd., on west side, about 7.4 km WNW Sequan Peak. El Cajon USGS 7.5min quad.
131
Comment
RSA0127344
Astragalus didymocarpus var. didymocarpus
Fred M. Roberts
2016-4-29
8047
Orange
Lomas de Santiago: north of Santiago Canyon Road, southwest slope of hill marked 1332 on topo maps, just west of Irvine Lake, 1.6 km S Irvine Lake dam spillway and 0.8 km NW Irvine Lake Park.
335
Comment
UCR209362
Astragalus didymocarpus var. didymocarpus
Fred M. Roberts, D. E. Bramlet
2008-4-1
6836
Orange
Lomas de Santiago, Loma Ridge, East Lomas Ridge Road along crest, 3.2 km northwest of Bee Peak and 3.4 km northeast of Rattlesnake Reservoir Dam, Irvine Ranch Conservancy
388
Comment
SD198452
Astragalus douglasii var. parishii
Fred Roberts, Debra Kinsinger
2007-6-14
6527
San Diego
Guatay, S of Wild Pigeon Flat, 300 m N of Old Hwy 80, dirt road, 3.3 km NE Guatay Peak.
1252
Comment
RSA749305
Astragalus gambelianus
Fred M. Roberts
1999-4-21
5178
Orange
Lomas de Santiago: Loma Ridge, ridges north of Dripping Springs Cyn., 1.5 km W Silverado Sch. and 4.8 km NNW Bolero Lookout.
365
Comment
CAS-BOT-BC177981
Astragalus nuttallii var. nuttallii
Robert Robertson
1954-5-8
147
Monterey
Dunes E of Carmel Cove, Point Lobos
6
Comment
IRVC22732
Astragalus trichopodus var. lonchus
Fred M. Roberts
1985-5-13
1789
Orange
South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak,
6
Comment
UCSB38442
Astragalus trichopodus var. lonchus
Roberts, Fred; Fletcher, Martin
1981-3-24
Santa Barbara
At Frazier Point, Santa Cruz Island
9
Comment
RSA749468
Athysanus pusillus
Fred M. Roberts
1999-4-22
5188
Orange
Lomas de Santiago: tributary to Santiago Creek wash along spur road on ridge between Limestone Cyn. and Santiago Creek wash opposite Williams Cyn., 1.8 km SE Silverado Sch. and 2.3 km NNW Bolero Lookout.
396
Comment
RSA588770
Athysanus pusillus
Fred M. Roberts, Carol A. Roberts, Dave Bramlet
1990-5-6
4594
Orange
Santa Ana Mnts.: Chiquito Basin, San Juan Trail, c.a. 2.5 km SSE Los Pinos Peak.
915
Comment
UCSB36868
Athysanus pusillus
Roberts, Fred; Fenwick, J.
1980-3-26
Santa Barbara
.4 miles West of Devil's Peak
533
Comment
RSA716777
Atriplex californica
Fred M. Roberts, Chris M. Barnhill
2004-7-10
6072
Orange
Laguna Beach: Crescent Bay, at base of Twin Points.
3
Comment
RSA737531
Atriplex californica
Fred M. Roberts
2008-3-12
6731
Orange
Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor).
50
Comment
RSA747714
Atriplex californica
Fred M. Roberts
2008-7-10
7073
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor.
45
Comment
RSA610220
Atriplex californica
Fred M. Roberts, Julie Vanderwier
1997-4-29
5018
Orange
Bolsa Chica Salt Marsh; (US Fish & Wildlife Service cell 17) west of old oil field, 1.17 km. S SE Chica Survey Mark.
0
Comment
UCSB52924
Atriplex californica
Roberts, Jr., Fred
1983-3-10
Orange
Dana Point Headlands: south of Dana Strand Rd., south of Dana Strand Beach, 1.0 km. W Dana Point Harbor; 0.9 km. SW Richard Henry Dana School
35
Comment Read comments Feb 9 2020
SEINET5338020
Atriplex canescens
J. Robertson
1974-6-25
NS 14 -74
Mono
12 mi. north of Benton, along old road, junction of Hw. 6.
1951
Comment
CAS-BOT-BC168292
Atriplex canescens var. canescens
Robertson
1916-11-1
s.n.
San Bernardino
Near Redlands
Comment
RSA542648
Atriplex coulteri
Fred M. Roberts, Kathy Keane
1988-5-26
4014
Orange
Ranch Mission Viejo: Christianitos Canyon, 4.0km ESE Viejo Survey Mark.
162
Comment
IRVC25488
Atriplex davidsonii
Fred M. Roberts, Karen Calloway
1987-8-19
3585
Orange
San Joaquin Freshwater Marsh, 1.7km NW University of California, Irvine campus center near Fairchild; Irvine
2
Comment Read comments Feb 1 2020
RSA488137
Atriplex glauca
Fred M. Roberts
1985-8-30
2186
Orange
Laguna Niguel: Niguel Hill, Pacific Island Rd., 1.4 km ESE Aliso Pk.
182
Comment
RSA599642
Atriplex polycarpa
Fred M. Roberts, M. B. Woulfe
1996-8-13
4971
Orange
Yorba Linda: Chino Hills, Shell Oil Property, 3.0 km SW Gilman Peak.
201
Comment
UCSB48235
Atriplex rosea
Roberts, Jr., Fred
1981-5-2
Orange
Mission Viejo; Camino Capistrano, below Crown Valley Overpass
49
Comment
UCSB56686
Atriplex rosea
Roberts, Jr., Fred
1982-7-31
Orange
San Clemente; at end of Calle San Pablo; 1.3 km. E Civic Center
220
Comment Read comments Feb 2 2020
RSA743462
Atriplex semibaccata
Fred M. Roberts
2008-7-10
7070
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor.
45
Comment
SD264154
Atriplex semibaccata
Jim Roberts
2013-10-31
46
San Diego
City of San Diego; Tecolote Canyon Natural Park; near trail S of Acworth Ave; 0.13 mi SW of intersection Old Meadow Road and Acworth Avenue
85
Comment
IRVC25483
Atriplex serenana var. serenana
Fred M. Roberts
1987-7-28
3508
Orange
Peter's [Creek] Channel at Barranca Crossing, Irvine
8
Comment
RSA731750
Atriplex suberecta
Fred M. Roberts
2007-11-9
6655
Orange
San Juan Canyon along San Juan Creek, about 0.6 km E San Diego FWY.
24
Comment
RSA0123044
Atriplex torreyi var. torreyi
Dar A. Roberts
1983-7-23
FS 107
Mono
Along southern end of large shallow pond just west of Rocked-in-Spring. Fish Slough (a desert wetland system 4.5 miles N of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mile drainage axis.)
1274
Comment
IRVC25412
Atriplex watsonii
Fred M. Roberts, Wayne Ferren
1987-4-8
3359
Orange
Upper Newport Back Bay, west side, North Star Beach, 0.8km N Coney Island, Newport Beach
0
Comment
SD196441
Atriplex watsonii
Fred Roberts
2000-9-25
5352
San Diego
San Diego Bay: Chula Vista, F. & G. Marsh along Marina Parkway just N of G Street
Comment
IRVC29089
Avena barbata
Fred M. Roberts
1989-3-17
4204
Orange
Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park
30
Comment
UCSB47869
Avena barbata
Roberts, Dar
1983-2-20
Santa Barbara
La Purisima Mission State Historic Park; 2 km NE of Lompoc; lawn on W site of vistor's bldg
Comment
UCSB47966
Avena barbata
Roberts, Fred
1980-4-3
Orange
Hills 1.5 km ENE of Dana Hills High School; Dana Point
85
Comment
RSA542561
Avena barbata
Fred M. Roberts
1989-3-17
4204
Orange
Aliso-Wood Canyon Regional Park: Aliso Canyon, 3.4 kilometers SSE Moulton Peak., UTM 3711900m N, 432900m E
55
Comment
RSA590948
Avena barbata
Fred M. Roberts
1991-5-2
4777
Orange
San Joaqui Hills, Laguna Canyon, Laguna Laurel, Just W of Laguna Canyon Road, 2km N jct El Toro Road, 4.5km E Signal Peak., UTM Z113718000mN, 4 29 200m E
110
Comment
RSA737544
Avena fatua
Fred M. Roberts
2008-3-12
6717
Orange
Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor).
50
Comment
UCSB52947
Azolla filiculoides
Roberts, Fred; Polek, M.
1983-11-16
Orange
Newport Beach; upper Newport Back Bay near Back Bay Drive, 3.0 km. W UCI campus center
2
Comment
RSA731922
Baccharis emoryi
Fred M. Roberts, Sandy Leatherman
2007-11-27
6657
Orange
Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge.
100
Comment
RSA0028029
Baccharis pilularis
Fred M. Roberts
2012-9-6
7702
Orange
San Joaquin Hills: Buck Gully, Buck Gully Trail, about 1.8 kilometers NW Pelican Hill summit.
64
Comment
RSA703357
Baccharis pilularis
Fred M. Roberts, Laura Cohen
2004-2-13
6024
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Shady Canyon tributary to Cristianitos Cyn., 1.34 km NW Sycamore Gate, 0.85 km W of Cristianitos Road.
156
Comment
RSA743499
Baccharis pilularis
Fred M. Roberts
2008-9-10
7098
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor.
75
Comment
IRVC21770
Baccharis pilularis subsp. consanguinea
Fred M. Roberts
1984-11-27
1442
Orange
Novia St. bridge over San Juan Creek, 0.6km S Bench Mark 133, San Juan Capistrano
31
Comment
RSA685928
Baccharis salicifolia
Fred M. Roberts
2003-3-27
5627
Orange
Rancho Mission Viejo:Donna O'Neill Land Conservancy, Chistianitos Canyon, along North Ride Trail, 1.37 km N Sycamore Gate, 0.36 km W Chistianitos Rd.
114
Comment
RSA712941
Baccharis salicifolia
Fred M. Roberts
2005-10-3
6306
Orange
San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano,
27
Comment
RSA731951
Baccharis salicifolia
Fred M. Roberts
2007-12-12
6707
Orange
Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line.
129
Comment
RSA751987
Baccharis salicifolia
Fred M. Roberts, Eliza Maher
2008-3-26
6799
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
71
Comment
SD192234
Baccharis salicifolia
Fred Roberts
2006-7-6
6377
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
UCR189288
Baccharis salicifolia
Fred M. Roberts, S. Leatherman
2007-9-19
6591
Riverside
Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge
128
Comment
RSA587883
Baccharis salicifolia
Fred M. Roberts
1990-5-8
4616
Orange
Soquel Canyon, 1.2km NNW Gilman Peak
240
Comment
SD164532
Bahiopsis laciniata
Fred M. Roberts, Ross Martin
2003-2-5
5562
San Diego
Glenview: near Valley View Truck Trail, south of Interstate 8, 0.7 km SSW Los Coches Rd. interchange, Caltrans MSCP Parcel South. On gentle west-facing slope in coastal sage scrub.
287
Comment
SD164534
Bahiopsis laciniata
Fred M. Roberts
2001-5-15
5462
San Diego
Jamul Mtns.: SW slopes, E of Upper Otay Lake, 4.8 km SE summit Mother Miguel Mtn. Otay Lakes North MSCP parcel. Along ridge on gentle N-facing slope on rocky clay loam soil in coastal sage scrub.
246
Comment
SD233733
Bahiopsis laciniata
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5768
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca 0.4 mi WSW of peak 2242. Steep west to south-facing slopes.
427
Comment
UCD18400
Banisteria schizoptera
Warren G. Roberts
1978-7-26
s.n.
San Joaquin
San Joaquin and Yolo Counties: cities of Stockton and Davis.
Comment
IRVC20371
Barbarea orthoceras
D. A. Roberts
1983-3-22
3024
Orange
San Juan Canyon, Calif. Rte. 74, south side, 4.3km by road E San Juan Guard Station; 2.3km WNW Sitton Peak, Santa Ana Mountains
407
Comment
UCSB48022
Barbarea orthoceras
Roberts, Fred
1981-4-11
Orange
Santa Ana Mtns.: meadow between Falcon Group Camp and Blue Jay Campground; 0.2 km. NNE Blue Jay Campground
1089
Comment
IRVC24276
Bassia hyssopifolia
Fred M. Roberts, G. A. Marsh
1985-10-26
2524
Orange
Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal
4
Comment
SD182031
Batis maritima
Fred Roberts
2000-9-25
5349
San Diego
San Diego Bay: Chula Vista, F. & G. Marsh along Marina Parkway just N of G Street
Comment
UCSB48366
Berberis aquifolium var. dictyota
Roberts, Jr., Fred
1982-4-18
Orange
Santa Ana Mtns.; Hot Springs Canyon, 0.6 km. SW Falcon Group Camp
1033
Comment
RSA550589
Bergerocactus emoryi
Fred M. Roberts, P. Bowler, R. Riefner
1989-4-4
4251
Los Angeles
San Clemente Island: Eel Point, ca 10 km S. Wilson Cove, alt. 10 meters
10
Comment
SD262440
Bernardia incana
Jim Roberts, T. Chester, A. Ballway, N. Accola
2015-3-8
85
San Diego
Anza-Borrego Desert State Park; Ranchita area; 2.70 miles SE of junction Wilson Road and S-22; several hundred meters off of Wilson trail in Culp Valley; 1.66 miles N of Grapevine Canyon
1184
Comment
IRVC24999
Beta vulgaris
Fred M. Roberts, H. Camp & B. Bretz
1986-6-20
3021
Orange
San Joaquin Freshwater Marsh, near Campus Dr., 1.7km NNW UC Irvine campus center, Irvine
2
Comment
UCR188892
Bidens frondosa
Fred M. Roberts, S. Leatherman
2007-9-19
6585
Riverside
Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge
128
Comment
RSA717046
Bidens laevis
Fred M. Roberts
2005-10-3
6289
Orange
San Juan Capistrano: San Juan Creek, La Novia Road bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano.
27
Comment
RSA730992
Bidens laevis
Fred M. Roberts
2006-11-15
6466
Orange
Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing.
85
Comment
RSA488143
Bidens laevis
Fred M. Roberts, Gordon Marsh
1985-10-26
2519
Orange
Santa Ana River: adjacent to Huntington Beach: 0.7 km SSW Adams St bridge
4
Comment
RSA731650
Bidens pilosa var. pilosa
Fred M. Roberts
2007-10-29
6629
Orange
Laguna Beach: Temple Hill, Nyes Place, ca. 0.2 km S Moulton Meadows Park.
232
Comment
RSA773503
Bloomeria crocea
Fred M. Roberts
1999-5-14
5223
Orange
Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School
502
Comment
UCSB48378
Bloomeria crocea
Roberts, Fred
1982-5-22
Orange
Dana Point: jct. of Stone Hill Dr. & Selva Rd., 1.0km ESE Dana Hills High School; 1.7km SW Marco Forster Junior High School
40
Comment
SD143285
Bloomeria crocea var. crocea
Fred M. Roberts
1997-4-11
4993
San Diego
Upper Encinitas Creek watershed east of Rancho Santa Fe Road, Fieldstone Southeast, ca. 5.7 km southwest Double Peak. Fairly common on gentle east-facing slope in open mosaic of coastal sage scrub and native grassland that had burned in 1996.
88
Comment
RSA542342
Bloomeria crocea var. crocea
Fred M. Roberts, Karlin G. Marsh
1988-4-25
3932
Orange
San Joaquin Hills: East flank Pelican Hill, 0.9 kilometer SE summit.
120
Comment
RSA584713
Bloomeria crocea var. crocea
Fred M. Roberts
1989-5-18
4373
Orange
Santa Ana Mountains: Upper Gypsum canyon, above ridge road, ca. 6.4 km WSW Sierra Peak.
415
Comment
UCR267193
Boerhavia coulteri var. palmeri
Fred M. Roberts
2014-10-26
7901
San Bernardino
Sonoran Desert, CHEMEHUEVI VALLEY: tributary to Gary Wash at west base of hill with VABM Huevis, 0.2 km E SR 95 and 4.5 km NW Pyramid Butte
387
Comment
UCSB52906
Bolboschoenus maritimus
Roberts, Fred
1984-8-6
Orange
Irvine: UC Irvine, along Abode Circle Road; 0.9 km. ENE campus center; 2.3 km. W French Hill
30
Comment
UCSB52876
Bothriochloa barbinodis
Roberts, Fred
1983-3-16
Orange
Laguna Beach, Sycamore Hills, central ridge; 1.4 km NNE jct of El Toro and Laguna Cyn Rds; 5.4 km ESE Signal Peak
177
Comment
RSA731758
Bougainvillea glabra
Fred M. Roberts, Sandy Leatherman
2007-11-9
6647
Orange
San Juan Canyon along San Juan Creek, within the community of San Juan Hot Springs.
216
Comment
SBBG54790
Bowlesia incana
D. Roberts, D. Kiehn
1981-3-25
Santa Barbara
1.7 km SSE of Coche Pt
Comment
UCSB38445
Bowlesia incana
Roberts, Dar; Kiehn, David
1981-3-25
Santa Barbara
Santa Cruz Island, 1.7 km SSE of Coche Point
69
Comment
UCSB48370
Bowlesia incana
Roberts, Fred
1982-4-18
Orange
Santa Ana Mountains: San Juan Canyon, Hwy 74, 0.6km SW Lower San Juan Picnic Ground; 1.9km WNW Sitton Peak
420
Comment
RSA0058187
Brachypodium distachyon
Fred M. Roberts
2014-4-21
7872
Orange
South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), south basin.
113
Comment
RSA747609
Brachypodium distachyon
Fred M. Roberts
2000-5-4
5316
Orange
Lomas de Santiago: Loma Ridge, Hicks Cyn., west of SR 241, 1.9 km E Rattlesnake Reservoir dam and 2.1 km WSW Bee Peak.
210
Comment
UCR128550
Brachypodium distachyon
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5818
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.5 mi. WSW of peak 2242, south of peak 1517
396
Comment
UCR239225
Brachypodium distachyon
Fred M. Roberts
2012-4-24
7509
Orange
San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak
179
Comment
RSA587874
Brachypodium distachyon
Fred M. Roberts, K. Nowak, G. Madieros, T. Neely
1990-5-11
4763
Orange
Laguna Niguel: Niguel Hill, at end of Le Conte Road, 0.6 kilometer SW summit of Niguel Hill., UTM Z11 37 07 6000m N, 4 31 600m E.
195
Comment
IRVC18900
Brassica geniculata
Fred M. Roberts
1981-7-8
316
Orange
Calif. 74, 5.2km E San Juan Capistrano on south side of road, Rancho Mission Viejo
100
Comment
RSA0069883
Brassica geniculata
Fred M. Roberts
2014-4-21
7860
Orange
South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), south basin.
113
Comment
UCR239637
Brassica geniculata
Fred M. Roberts
2012-4-24
7505
Orange
San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak
179
Comment
UCR258355
Brassica geniculata
Fred M. Roberts
2014-4-21
7859
Orange
South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin
113
Comment
UCR211714
Brassica kaber
Fred M. Roberts, D. E. Bramlet, Kerry Byrne
2006-4-20
6320
Riverside
Perris Basin, Upper Salt Creek watershed, southwest of Hemet, 2 km southeast of Winchester, south of Domenigoni Parkway
448
Comment
UCR241907
Brassica nigra
Fred M. Roberts
2012-4-24
7526
Orange
Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak
167
Comment
UCSB36143
Brassica rapa
Roberts, Dar
1980-2-24
Santa Barbara
50 yds. off Catherdral Oaks Rd.; western end of road; near dead end
33
Comment
RSA0073643
Brassica tournefortii
Fred M. Roberts, Lee Ann Caranza, Eliza Maher
2009-4-7
7144
Orange
South Coast Region: Dana Point Headlands: Dana Point CNLM Preserve, 0.7 km WNW Dana Point Marine Institute at Dana Point Harbor, near 2nd Lookout along trail.
49
Comment
RSA751984
Brassica tournefortii
Fred M. Roberts, Lee Ann Carranza
2008-3-26
6801
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor.
50
Comment
UCSB48079
Brickellia californica
Roberts, Fred
1981-11-15
Orange
Santa Ana Mtns.; San Juan Canyon, Hwy. 74, across road from entrance to Lower San Juan Picnic Ground
436
Comment
SD250840
Brodiaea filifolia
Fred Roberts
2008-5-25
6999
San Diego
San Onofre State Park: Inland section, Cristianitos Cyn., east of Calle Extremo St., 2.6 km NNE Clemente Survey Mark and 4.9 km N San Mateo Campground [San Clemente: UTM 11S 04 46 326mE, 37 01 017mN].
99
Comment
SD250841
Brodiaea filifolia
Fred Roberts
2000-5-22
5332
San Diego
San Marcos: just north of the intersection of Mission Ave. and Santa Fe Rd., about 1.1 km WNW Palomar College campus on the Loma Alta development. [San Marcos Quad: UTM Z11 04 81 743mE, 36 68 407mN].
180
Comment
SD164585
Brodiaea orcuttii
Fred M. Roberts
2001-7-20
5499
San Diego
San Ysidro Mountains,northwest foothills just southeast of Otay Lake, 2.0 km east-northeast Savage Dam,along unnamed canyon above Buschalaugh Cove Along narrow rocky flowing stream course on gravelly soil in mulefat-poverty weed scrub.
174
Comment
SD58370
Brodiaea stellaris
Harry K. Roberts
1961-5-23
Sonoma
About 1.75 miles northeast of Occidental, just west of County Dump at top of Harrison Grade, Ao to I(c) mile west of the type locality of Arctostaphylos bakeri.
221
Comment
RSA0127606
Brodiaea terrestris subsp. kernensis
Fred M. Roberts
2016-4-14
8036
Orange
University of California, Irvine campus: western edge of School of Medicine Complex, about 0.9 km W center of campus.
27
Comment
UCSB47948
Bromus carinatus
Roberts, Dar
1980-5-3
Orange
2.0 km NW of jct between Hwy 74 and Main Divide Truck Trail
960
Comment
RSA725588
Bromus catharticus
Fred M. Roberts
2007-8-6
6560
Orange
San Joaquin Hills: Laguna Beach, Laguna Cyn. on east side of Laguna Cyn. Rd. adj. to dog park, 1.2 km S (air) from El Toro Road and 1.8 km WSW Moulton Survey Mk.
52
Comment
RSA0013959
Bromus diandrus
Fred M. Roberts
2008-5-7
6939
Orange
Lomas de Santiago: Loma Ridge, Limestone Ridge between Dripping Spr. and Limestone Cyn., 3.5 km NW Bolero Lookout and 1.7 km E Bee Peak. Irvine Ranch Conservancy.
481
Comment
RSA0073653
Bromus diandrus
Fred M. Roberts
2010-3-12
7182
Orange
Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center.
50
Comment
RSA737538
Bromus diandrus
Fred M. Roberts
2008-3-12
6724
Orange
Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor).
50
Comment
UCR209337
Bromus grandis
Fred M. Roberts, Robt. L. Allen
2008-6-23
7056
Riverside
Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit
1639
Comment
RSA747698
Bromus hordeaceus
Fred M. Roberts
2008-4-16
6914
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, 0.8 km W Marine Institute, Dana Point Harbor.
60
Comment
RSA542368
Bromus hordeaceus
Fred M. Roberts
1988-4-10
3915
Orange
Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout., UTM 37 31 1000m N, 4 39 600m E.
415
Comment
RSA542558
Bromus hordeaceus
Fred M. Roberts
1987-4-21
3380
Orange
Aliso Viejo: Aliso Creek, Aliso Creek bike trail, 3.0 kilmeters ENE Moulton Peak., UTM 3715500m N, 433650m E
73
Comment
RSA685934
Bromus hordeaceus subsp. hordeaceus
Fred M. Roberts, David E. Bramlet
2003-3-27
5618
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Chistianitos Cyn., 0.69km N Sycamore Gate, 0.96km W Chistianitos Rd.
122
Comment
UCR242753
Bromus madritensis
Fred M. Roberts
2012-5-10
7581
Orange
SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit
154
Comment
UCSB47581
Bromus madritensis subsp. rubens
Roberts, Fred
1980-4-3
Orange
Along Hwy 74, 0.2 km SW of Orange-Riverside Co. line, 0.4 km NNE Lower San Juan Picnic Ground, San Juan Cyn; Santa Ana Mtns
128
Comment
UCSB47859
Bromus madritensis subsp. rubens
Roberts, Dar
1983-2-20
Santa Barbara
La Purisima Mission State Historic Park; 2 km NE of Lompoc; up tail 100 m above lower reservoir
Comment
RSA708538
Bromus tectorum
Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield
2005-5-30
6218
Orange
northwest slope of Modjeska Peak, Harding Canyon watershed, Main Divide Road, 0.61km NNW summit Modjeska Peak.
1407
Comment
UCR211702
Caesalpinia gilliesii
Fred M. Roberts, Kerry M. Byrne
2006-6-27
6346
Riverside
Perris Basin, Hemet, just south of Florida Ave. and east of California Ave, 2.2 km northwest of the west end of Hemet Ryan Airport runway
463
Comment
RSA752711
Cakile maritima
Fred M. Roberts, Sandra Leatherman, Jennifer S. Pareti
2009-4-14
7147
Orange
Dana Point Headlands: Dana Strand Beach and slopes above beach, 0.8 km WNW Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve.
3
Comment
UCSB48047
Cakile maritima
Roberts, Fred
1981-9-26
Orange
Huntington Beach; Calif. Rte. 1, near mouth of Santa Ana River, 0.1 km. N jct. Brookhurst Ave.; 0.1 km. SW Bench Mark 7
2
Comment
RSA716783
Calamagrostis koelerioides
Fred M. Roberts, Carol A. Roberts, Devoree Volgado
1995-5-6
4941
Orange
Santa Ana Mountains region: Ridge between Hot Springs Cyn. and Viejo Cyn., San Juan Trail, 3.7 km WNW Lower San Juan Picnic Ground.
622
Comment
RSA594806
Calandrinia ciliata
Fred M. Roberts, Cathy Nowak
1995-4-19
4924
Orange
Santa Ana Mountains: Lower Hot Springs Canyon, San Juan Trail, 0.7 km NW Juan Rancho Survey Mark.
256
Comment
RSA665954
Callitriche marginata
Fred M. Roberts, Michelle Lee, Kristen Szabo
2001-4-13
5425
Orange
Rancho Mission Viejo: South of San Juan Creek, 0.6km WNW Median Rancho Survey Marker. PCR Vernal Pool 2.
183
Comment
RSA708813
Callitriche marginata
Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts
2005-4-10
6162
Orange
Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos).
24
Comment
RSA610237
Callitriche marginata
Fred M. Roberts, Tony Bomkamp, R. E. Riefner
1997-2-27
4979
Orange
Costa Mesa: Fairview Park, 0.1 km W Canyon School.
24
Comment
RSA731005
Calocedrus decurrens
Fred M. Roberts, B. Allen, D. Olsen
2007-1-19
6507
Orange
Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak.
852
Comment
RSA594817
Calochortus albus
Fred M. Roberts, Sandy Leatherman, Brian Leatherman
1994-4-24
4911
Orange
Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground.
354
Comment
RSA0125887
Calochortus catalinae
Fred M. Roberts
2008-5-14
6970
Orange
Lomas de Santiago: Loma Ridge, Bee Peak, 0.1 km W summit.
515
Comment
RSA552928
Calochortus catalinae
Fred M. Roberts, Carol A. Roberts
1989-5-11
4350
Orange
Santa Ana Mountains: Upper Gypsum Canyon, along ridge road, 5.6 kilometers SW Sierra Peak.
472
Comment
RSA590955
Calochortus catalinae
Fred M. Roberts, Cathy Novak, Dave Bontrager
1991-4-18
4770
Orange
Santa Ana Mountains: c. 0.7 kilometers N junction Santiago Canyon Road and Live Oak Canyon Road, 7.7 kilomers WSW Modjeska Peak.
411
Comment
RSA747606
Calochortus catalinae
Fred M. Roberts
2000-5-4
5313
Orange
Lomas de Santiago: Loma Ridge, Hicks Cyn., west of SR 241, 1.9 km E Rattlesnake Reservoir dam and 2.1 km WSW Bee Peak.
210
Comment
RSA747612
Calochortus catalinae
Fred M. Roberts
2000-4-27
5302
Orange
Lomas de Santiago: Lomas Ridge, Agua Chinon Wash, 1.5 km S Bolero Spr. and 2.1 km WSW Bolero Lookout.
281
Comment
RSA749314
Calochortus catalinae
Fred M. Roberts
2008-3-25
6791
Orange
Loma Ridge: Upper Hicks Cyn. near Haul Road, c.a. 4.4 km by road from Portola Pkwy. and 3.2 km ENE Rattlesnake Cyn. Reservoir.
269
Comment
RSA749519
Calochortus catalinae
Fred M. Roberts
2009-4-11
6886
Orange
Lomas de Santiago: Loma Ridge, upper Dripping Springs Cyn., 0.9 km NE Bee Peak and 1.2 km WNW Dripping Springs.
448
Comment
UCR209385
Calochortus catalinae
Fred M. Roberts
2008-3-25
6791
Orange
Loma Ridge, Upper Hicks Canyon near Haul Road, c. 4.4 km by road from Portola Parkway, and 3.2 km east northeast Rattlesnake Canyon Reservoir
269
Comment
SD164406
Calochortus concolor
Fred M. Roberts, Michelle Balk
2004-6-13
6053
San Diego
Laguna Mountains: Pine Creek Road, ca. 3.7km W Sunrise Hwy. by road, UTM Z11 05 48 158mE, 36 39 808mN.
1599
Comment
SD164405
Calochortus dunnii
Fred M. Roberts, Carol A. Roberts
2004-6-20
6067
San Diego
Cuyamaca Mountains: SR79, Inspiration Point, ca. 4km SE Julian, UTM Z11S 05 40 327mE, 36 56 663mN.
1416
Comment
RSA679224
Calochortus invenustus
Fred M. Roberts
2003-6-25
5946
Orange
Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit.
1605
Comment
UCR215367
Calochortus plummerae
Fred M. Roberts
2006-6-28
6348
Riverside
Peninsular Range; San Jacinto Mountains, San Jacinto River Canyon, south fork, South Fork Trail 3.7 km west summit of Baldy Mountain
1266
Comment
IRVC28112
Calochortus splendens
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5778
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
RSA542333
Calochortus splendens
Fred M. Roberts
1988-4-10
3919
Orange
Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout.
415
Comment
RSA594819
Calochortus splendens
Fred M. Roberts, Sandy Leatherman, Brian Leatherman
1994-4-24
4913
Orange
Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground.
354
Comment
RSA716098
Calochortus splendens
Fred M. Roberts, Carol A. Roberts
2004-5-16
6047
Ventura
Lockwood Valley: Mutau Flat Road, 3.5km S by road jct. Lockwood Valley Road and 2.6km NE San Guillermo Mtn.
1737
Comment
RSA747589
Calochortus splendens
Fred M. Roberts
2000-5-4
5317
Orange
Lomas de Santiago: Loma Ridge, Hicks Cyn., west of SR 241, 1.9 km E Rattlesnake Reservoir dam and 2.1 km WSW Bee Peak.
210
Comment
RSA788918
Calochortus splendens
Fred M. Roberts
1999-6-10
5240
Orange
Lomas de Santiago: Loma Ridge, Central Limestone Cyn., adjacent to the Sinks, 0.7 km E Bolero Spring and 1.9 km NW Bolero Lookout.
411
Comment
SD233656
Calochortus splendens
Fred M. Roberts, M. White, D. Flietner
2003-5-4
5778
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242.
427
Comment
UCSB47576
Calochortus splendens
Roberts, Fred
1980-4-3
Orange
Hills, 1.0km NE Dana Hills High School, Dana Point
75
Comment
SD181877
Calochortus superbus
Fred Roberts, Mark Elvin
2005-6-29
6254
San Diego
Palomar Mtns.: Along S6, across from Canfield Rd., east of Sunday School Flat and 3.1km SSW Palomar Observatory.
1484
Comment
RSA0013576
Calochortus weedii
Fred M. Roberts, Carol A. Roberts
2007-7-6
6541
Santa Barbara
West Camino Cielo Rd., 0.6 km NW La Cumbre Peak (Little Pine Mtn.)
1195
Comment
UCSB50637
Calochortus weedii
Roberts, Fred
1982-7-8
Orange
Laguna Niguel; canyone near Pacific Island Dr., 1.4 km ESE Aliso Peak, 1.1km NE Bench Mark 133
205
Comment
RSA0014077
Calochortus weedii var. intermedius
Fred M. Roberts
2008-5-27
7003
Orange
Lomas de Santiago: Loma Ridge, Hicks Cyn., c.a. 0.2km beyond Hicks Cyn., Gate, 2.2km WNW Bee Peak, Irvine Ranch conservancy
213
Comment
RSA581433
Calochortus weedii var. intermedius
Fred M. Roberts
1989-6-7
4376
Orange
Santa Ana Mountains: Upper Gypsum Canyon along divide between Gypsum and Blind Canyon, 6.3 kilometers WSW Sierra Peak.
411
Comment
RSA588720
Calochortus weedii var. intermedius
Fred M. Roberts, D. Bontrager
1990-6-5
4676
Orange
Rancho Mission Viejo: Lower Canada Gobernidora, ca. 3.1 km W Point Rancho Survey Marker.
122
Comment
RSA699753
Calochortus weedii var. intermedius
Fred M. Roberts, David E. Bramlet
2003-6-6
5884
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.7km SW int. Cristianitos and TRW Rds. and 0.23km W of SDG&E substation.
119
Comment
RSA725577
Calochortus weedii var. intermedius
Fred M. Roberts, Robert L. Allen, Trish Smith
2007-6-15
6537
Orange
Upper Fremont Canyon, 5.2km ENE Irvine Lake Spillway and 2.0km WNW Hidden Ranch.
673
Comment
RSA788903
Calochortus weedii var. intermedius
Fred M. Roberts
2008-6-12
7043
Orange
Lomas de Santiago: Loma Ridge, ridge north of Shoestring Road, 2.2 km S Irvine Lake dam, Irvine Ranch Land Conservancy.
325
Comment
UCR209401
Calochortus weedii var. intermedius
Fred M. Roberts, Robt. L. Allen
2008-6-23
7051
Riverside
Santa Ana Mountains, Santiago Peak, east slope, Main Divide Truck Trail, 0.7 km northeast of summit
1580
Comment
RSA731170
Calochortus weedii var. vestus
Fred M. Roberts
2006-7-18
6391
Santa Barbara
East Camino Cielo Road, 2.7 km by road E jct. SR54. and 0.8 km NW Laurel Springs.
833
Comment
RSA731171
Calochortus weedii var. vestus
Fred M. Roberts
2006-7-18
6392
Santa Barbara
Santa Ynez Mountains: East Camino Cielo Road, 2.7 km by road E jct. SR54. and 0.8 km NW Laurel Springs.
1024
Comment
RSA731173
Calochortus weedii var. vestus
Fred M. Roberts
2006-7-17
6388
Santa Barbara
West Camino Cielo Road, ca 7.1 km by road east jct. Refugio Road (Refugio Pass) and 1.8 km WNW Santa Ynez Peak.
1157
Comment
RSA773548
Calochortus weedii var. weedii
Fred M. Roberts, Robert Allen
2008-6-9
7036
Orange
Santa Ana Mts.: Hot Spring Canyon, along road, 0.9 km N San Juan Fire Station
255
Comment
SD181881
Calochortus weedii var. weedii
Fred Roberts, Mark Elvin
2005-6-29
6253
San Diego
Palomar Mtns.: Along S6, 2.8km by air SSW town of Palomar Mountain.
1015
Comment
RSA542424
Calycadenia tenella
Fred M. Roberts
1988-5-13
3967
Orange
Lomas de Santiago: Loma Ridge, Upper Limestone Canyon near spring, 2.3 km NW Bolero Lookout.
439
Comment
RSA747706
Calycadenia tenella
Fred M. Roberts
2008-5-16
6984
Orange
Dana Point: Dana Point Hradland, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor.
75
Comment
UCR128544
Calystegia macrostegia
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5785
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
427
Comment
UCR239621
Calystegia macrostegia subsp. cyclostegia
Fred M. Roberts
2012-4-24
7499
Orange
San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak
179
Comment
RSA708723
Calystegia occidentalis subsp. fulcrata
Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield
2005-5-30
6225
Orange
west slope of Modjeska Peak, Harding Canyon watershed, Main Divide Road, 0.46km W summit.
1670
Comment
SD187855
Calystegia occidentalis subsp. fulcrata
Laurie Roberts, Lane McClelland
2006-5-29
22
San Diego
Descanso. NW base of Guatay peak, along Old Highway 80, just NE of its intersection with SR- 79.
1110
Comment
RSA0039800
Camissonia bistorta
Fred M. Roberts, D. E. Bramlet
2003-4-10
5647
Orange
Rancho Mission Viejo: Donna O Neill Land Conservancy, ridge between Cristianitos Cyn. and Segunda Deshecha Canada, 1.54km W Gato Gate and 1.59km NW Edison substation.
262
Comment
RSA542488
Camissonia bistorta
Fred M. Roberts, G. A., K. G. Marsh
1988-4-26
3937
Orange
San Joaquin Hills: Pelican Hill, 0.5km SE summit.
165
Comment
UCR215311
Camissonia bistorta
Fred M. Roberts
2008-3-27
6802
Orange
South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near NE gate, 0.5 km west of Marine Institute, Dana Point Harbor
75
Comment
IRVC28102
Camissonia californica
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5776
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
IRVC28446
Camissonia californica
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5706
San Diego
Otay Mountain, south side near crest of ridge east of lower "Butteweg Canyon" along the border trail, Tijuana River watershed Peninsular Range, San Ysidro Mountains
305
Comment
RSA696144
Camissonia californica
Fred M. Roberts, Andy Pinolo, Kam Muri
2003-5-3
5706
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side near crest of ridge east of lower Butteweg Canyon along the border trail, Tijuana River watershed.
305
Comment
RSA0073650
Camissonia cheiranthifolia subsp. suffruticosa
Fred M. Roberts
2010-3-12
7181
Orange
Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center.
50
Comment
RSA737479
Camissonia cheiranthifolia subsp. suffruticosa
Fred M. Roberts
2008-3-12
6737
Orange
Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor).
50
Comment
RSA539394
Camissonia ignota
Fred M. Roberts, Carol A. Roberts
1988-6-2
4033
Orange
Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak.
817
Comment
UCR128546
Camissonia ignota
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5783
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
427
Comment
RSA542490
Camissonia micrantha
Fred M. Roberts, T. Sholars, B. Stechmeyer
1988-3-29
3880
Orange
Santa Ana Mountains: Hot Springs Canyon, 0.5 km by road north Hwy 74, 0.9 km ESE Juan Rancho Survey Marker.
223
Comment
UCR209364
Camissonia robusta
Fred M. Roberts, Linda Farley
2008-3-28
6830
Orange
Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon
427
Comment
UCSB52877
Camissoniopsis bistorta
Roberts, Fred
1983-3-16
Orange
Laguna Beach, Sycamore Hills, central ridge, 1.4km NNE jct. El Toro and Laguna Canyon Rds, 5.4km ESE Signal Peak,
177
Comment
UCSB48058
Camissoniopsis cheiranthifolia subsp. suffruticosa
Roberts, Fred
1982-4-3
Orange
Dana Point Headlands, north of Dana Strand Road, 0.5km W Dana Point Harbor; 0.8 km SSW Richard Henry Dana School
80
Comment
SD197830
Camissoniopsis ignota
Fred Roberts, Mike White, D. Flietner
2003-5-4
5783
San Diego
San Ysidro Mountains; Otay Mountain; head canyon ca. 2 miles airline northwest of Otay Mountain Peak, ca. 0.4 miles westsouthwest of peak 2242.
427
Comment
IRVC25563
Capsella bursa-pastoris
Fred M. Roberts
1989-3-17
4203
Orange
Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park
30
Comment
RSA731753
Capsella bursa-pastoris
Fred M. Roberts
2007-11-9
6652
Orange
San Juan Canyon along San Juan Creek, about 0.6 km E San Diego FWY.
24
Comment
UCR267209
Capsella bursa-pastoris
Fred M. Roberts, Carol A. Roberts
2014-11-11
7919
San Bernardino
Sonoran Desert, Chemehuevi Valley: tributary to Gary Wash at west base of hill with VABM Huevis, 0.2 km E SR 95 and 4.5 km NW Pyramid Butte
387
Comment
HSC6629
Capsella bursa-pastoris
S. J. Roberts
1965-4-8
11
Humboldt
0.5 mi. S of junction of Alliance Rd. and Hwy. 101
Comment
UCSB36157
Cardamine californica
Roberts, Dar
1980-2-2
Santa Barbara
4.2 miles on Refugio Rd. from 101 junction, Santa Ynez Mts.
200
Comment
RSA752304
Cardionema ramosissimum
Fred M. Roberts, Eliza Maher
2008-3-26
6794
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
65
Comment
UCSB47803
Cardionema ramosissimum
Roberts, Dar
1982-11-6
Santa Barbara
La Purisima Mission State Historic Park; 2 km. NE of Lompoc City Limit; ca. 450 m. southwest of Staff Residences
Comment
CAS-BOT-BC17733
Carex alma
G. Robertson
1906-6-1
s.n.
San Bernardino
Mill Creek Canyon.
Comment
IRVC21481
Carex globosa
Fred M. Roberts, Wayne R. Ferren
1984-3-20
1281
Santa Barbara
Sata Cruz Island; Centinella; W Pine Forest; 6.8km WNW Research Station; 2km SSW Devil's Peak Channel Islands
370
Comment
RSA0127609
Carex praegracilis
Fred M. Roberts
2016-4-26
8040
Orange
Lomas de Santiago: South of Santiago Canyon Road in tributary to Lower Presida Canyon just southwest of Irvine Lake, 2.2 km S Irvine Lake dam spillway and 0.6 km SW Irvine Lake Park.
265
Comment
UCR247900
Carex schottii
Fred M. Roberts
2013-6-12
7794
Orange
Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing.
320
Comment
RSA0026256
Carex spissa
Fred M. Roberts
2013-6-12
7794
Orange
Peninsular Ranges: Santa Ana Mtns: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 kilometers ENE Silverado School and 1.4 kilometers up stream Black Star Road Crossing.
320
Comment
RSA725519
Carex spissa
Fred M. Roberts, Robert L. Allen
2007-9-28
6605
Orange
Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado.
347
Comment
RSA704426
Carpobrotus edulis
Fred M. Roberts, David E. Bramlet
2004-7-30
6083
Orange
Rancho Mission Viejo: Donna O Neill Land Conservancy, Cristianitos Cyn. along Cristianitos Ck., 1.1 km SSW Gato Gate and 0.32km W Cristianitos Road.
73
Comment
RSA743459
Carpobrotus edulis
Fred M. Roberts
2008-7-10
7067
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor.
45
Comment
CDA6934
Carrichtera annua
Fred M. Roberts
2007-4-6
6512
San Diego
Southern Coast; Carlsbad, La Costa Greens Ecological Reserve, east side of El Camino Real ca. 2 km south of Palomar Airport Road.
Comment
SEINET10575481
Carrichtera annua
Fred M. Roberts
2007-4-6
Roberts 6513
San Diego
Southern Coast: Carlsbad, La Costa Greens Ecological Reserve, east side of El Camino Real c. 2 km south of Palomar Airport Rd.
52
Comment
UC1930977
Carrichtera annua
Fred M. Roberts
2007-4-6
6512
San Diego
Southern Coast: Carlsbad, La Costa Greens Ecological Reserve, east side of El Camino Real c. 2 km south of Palomar Airport Rd.
Comment
UCR182834
Carrichtera annua
Fred M. Roberts
2007-4-6
6512
San Diego
Southern Coast, Carlsbad, La Costa Greens Ecological Reserve, east side of El Camino Real c. 2 km south of Palomar Airport Rd.
52
Comment
RSA542505
Castilleja affinis
Fred M. Roberts
1987-3-31
3297
Orange
Lomas de Santiago: Lomas [Loma] Ridge, upper Serrano Canyon, east fork, reservoir, 2.7 kilometers SE Bolero Lookout.
350
Comment
RSA588797
Castilleja affinis
Fred M. Roberts, Dave Bontrager
1990-4-18
4563
Orange
Rancho Mission Viejo: ridge between Christanitos and Gabino Canyons (Riverside Cement Lease Holding), 5.5 km SE Playa Survey Marker.
152
Comment
RSA0012751
Castilleja affinis subsp. affinis
Fred M. Roberts
2012-5-10
7576
Orange
San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit.
154
Comment
RSA747597
Castilleja affinis subsp. affinis
Fred M. Roberts
2000-5-19
5330
Orange
Lomas de Santiago: Loma Ridge, ridge west of Bee Peak above Bee Cyn. landfill, 0.2 km W Bee Peak.
500
Comment
RSA679168
Castilleja applegatei subsp. martinii
Fred M. Roberts
2003-6-25
5933
Riverside
Indian Truck Trail, 8.7 km by road W La Palma Rd., 2.5 km ENE Trabuco Peak
937
Comment
UCR209355
Castilleja exserta subsp. exserta
Fred M. Roberts
2008-4-8
6848
Orange
Lomas de Santiago, Loma Ridge, Upper Dripping Springs Cnyn, 1.0 km northeast of Bee Peak, Irvine Ranch Conservancy
458
Comment
RSA524504
Castilleja foliolosa
Fred M. Roberts, H. Camp
1987-3-10
3240
Orange
Casper's Regional Park: San Juan Canyon, north of Hwy 74, ca. 1.9km WSW San Juan Hot Springs.
335
Comment
UCSB47636
Castilleja foliolosa
Roberts, Fred
1980-5-3
Orange
Main Divide Truck Trail; on north side of road; 0.1 km south of Trabuco Peak; Santa Ana Mtns
1350
Comment
RSA588889
Castilleja minor subsp. spiralis
Fred M. Roberts Jr.
1990-6-4
4665
Orange
Hall Canyon, 1.8 km NNW Mustang Spring at east edge of Flying B Ranch
421
Comment
RSA701803
Castilleja minor subsp. spiralis
Fred M. Roberts
1999-7-22
5251
Orange
Lomas de Santiago: Lomas Ridge, tributary to Limestone Canyon at Dripping Springs. Limestone Wilderness Park.
415
Comment
RSA542652
Caulanthus heterophyllus
Fred M. Roberts
1988-3-15
3857
Orange
Rancho Mission Viejo; Verdugo Canyon, 1.3 km SSW Lucan Survey Marker
201
Comment
SBBG54781
Ceanothus arboreus
F. Roberts
1981-3-24
Santa Barbara
due S of Devil's Pk
430
Comment
RSA0029943
Ceanothus crassifolius
Fred M. Roberts, Sandy Leatherman
2013-2-13
7721
Orange
Santa Ana Mountains: Ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km SE Modjeska (town).
800
Comment
RSA594804
Ceanothus crassifolius
Fred M. Roberts
1992-2-26
4835
Orange
Santa Ana Mts. Ridge west of Black Star Canyon and north of confluence of Black Star Canyon and Santiago Canyon, 4.3 km ESE Irvine Lake spillway.
353
Comment
SD188164
Ceanothus greggii var. perplexans
Laurie Roberts, Maureen Phillips
2006-5-12
11
San Diego
Descanso. Fire road on northeast side of Guatay Peak, ca. I(c) mi NE of summit.
1220
Comment
UCSB47641
Ceanothus leucodermis
Roberts, Fred
1980-5-3
Orange
Main Divide Truck Trail on fire break, 1.6km WNW Trabuco Peak, Santa Ana Mtns.,
1295
Comment
RSA542422
Ceanothus megacarpus var. megacarpus
Fred M. Roberts
1988-5-12
3963
Orange
Anaheim Hills: Upper Deer Canyon, 7.7 km W Sierra Peak.
268
Comment Read comments Aug 23 2013
UCR114966
Ceanothus ophiochilus
Fred M. Roberts, Steve Boyd, Tom Leslie
1992-2-7
4831
Riverside
Peninsular Range, Vail Lake, ridge about 2km WSW of lake east of 'Little' Oak Mountain
600
Comment
SD242621
Ceanothus otayensis
Fred Roberts, Carol A. Roberts
2010-3-28
7236
San Diego
San Ysidro Mtns.: ridge south of O'Neal Cyn., Otay Mtn. Truck Trail, 3.8 km by air SW Otay Mtn. summit. Otay Mesa USGS 7.5min quad, UTM 11S 05 11 498mE, 36 04 180mN.
537
Comment
RSA542409
Ceanothus spinosus
Fred M. Roberts
1989-2-23
4189
Orange
Aliso-Wood Canyon Regional Park: Niguel Hill above Aliso Canyon along the northern edge of Sea View Pk., 1.2km ENE Aliso Pk.
250
Comment
UCR246516
Ceanothus spinosus
Fred M. Roberts
2013-5-30
7776
Orange
Lomas de Santiago, Santiago Creek Wash, at Santiago Canyon Road bridge, south side, 0.3 km west of the junction of Silverado and Santiago Canyon Roads
299
Comment
UCSB48024
Ceanothus spinosus
Roberts, Fred
1981-4-11
Orange
Santa Ana Mtns.: San Juan Canyon, hwy. 74, 3.7km E San Juan Guard Station
114
Comment
IRVC27990
Ceanothus tomentosus
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5717
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
UCR128375
Ceanothus tomentosus
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5717
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
RSA588778
Ceanothus tomentosus subsp. olivaceus
Fred M. Roberts
1990-4-13
4559
Orange
Upper Maybe Canyon near SkylineDrive 0.2 km NE Oak Flat, 2.7 km SSE Sierra Peak.
841
Comment
RSA594879
Ceanothus tomentosus var. olivaceus
Fred M. Roberts
1992-2-26
4834
Orange
Santa Ana Mtns: ridge west of Black Star Canyon and north of confluence of Black Star Canyon and Santiago Canyon, 4.3 km ESE Irvine Lake spillway.
353
Comment
SD242622
Ceanothus verrucosus
Fred Roberts
2010-2-12
7173
San Diego
Carlsbad: La Costa Green CNLM Preserve, along Camino Vida Roble Rd., 0.6 km by air SSW jct. El Camino Real and Town Garden Rds., about 1.6km SE Palomar Airport. UTM 04 75 041mE 36 64 431mN.
99
Comment
SD249025
Ceanothus verrucosus
Jim Roberts
2013-5-22
14
San Diego
City of San Diego; Tecolote Canyon Natural Park; vicinity of 175 yards SW of junction Mt. Alifan Drive and Mt. Everest Blvd.
93
Comment
RSA701801
Centaurea melitensis
Fred M. Roberts, David E. Bramlet
2003-6-6
5890
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.7km SW int. Cristianitos and TRW Rds. and 0.23km W of SDG&E substation.
94
Comment
UCR128515
Centaurea melitensis
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5697
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed
305
Comment
UCSB48218
Centaurea melitensis
Roberts, Fred
1981-6-20
Orange
Dana Point: 0.6km NE Dana Hills High School
67
Comment
RSA716660
Centaurea solstitialis
Fred M. Roberts, Michelle Balk, Robert Allen, Megan Enright
2004-7-18
6077
Orange
Santa Ana Mtns.: San Jun Cyn., SR 74, north side of road, c.a. 4.6km E San Juan Guard Sttion by road.
393
Comment
IRVC21253
Centaurium venustum
Fred M. Roberts
1982-7-7
742
San Diego
S Laguna; Niguel Hill; 1.4 km ESE Aliso Pk. 2.5 km SSW Niguel Fire Station. Southern Coastal
200
Comment Read comments Mar 5 2009
RSA725538
Centranthus ruber
Fred M. Roberts, Robert L. Allen
2007-9-28
6608
Orange
Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado.
347
Comment
UCSB72266
Cerastium glomeratum
Roberts, Fred
1980-5-3
Orange
Santa Ana Mtns.; San Juan Canyon, near mouth of Viejo Cyn.: below Rte. 74; 2.5 km. by road ENE San Juan Guard Station; 0.5 km. WSW Bm 1100
288
Comment
RSA539367
Cercocarpus betuloides
Fred M. Roberts
1989-2-21
4181
Orange
Aliso-Woods Canyon Regional Park: Niguel Hill, 1.6 km ENE Aliso Peak.
268
Comment
RSA0014996
Cercocarpus betuloides var. betuloides
Fred M. Roberts
2008-5-14
6963
Orange
Lomas de Santiago: Loma Ridge, upper Bee Flat Canyon below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy.
381
Comment
RSA539366
Cercocarpus minutiflorus
Fred M. Roberts
1989-2-21
4182
Orange
Aliso-Woods Canyon Regional Park: Niguel Hill, 1.6 km ENE Aliso Peak.
268
Comment
IRVC23289
Chaenactis artemisiifolia
Fred M. Roberts, K. G. Marsh
1985-7-18
2053
Orange
Temple Hill, Goff Ridge, 0.9km NE Goff Island off Nye Place Laguna Beach
168
Comment
SD233738
Chaenactis artemisiifolia
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5756
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side in lowwer Butteweg Canyon just above border trail, Tijuana River watershed. Canyon bottom along stream course.
167
Comment
SEINET7419066
Chaenactis douglasii var. douglasii
J. Robertson, Y. Robertson
1979-7-18
s.n.
Mono
North side of South Fork of Sweetwater Cr.
2990
Comment
RSA542246
Chaenactis glabriuscula var. glabriuscula
Fred M. Roberts
1988-3-15
3872
Orange
Rancho Mission Viejo: Central Gabino Canyon, 7km E Playa Survey Marker,
162
Comment
RSA542427
Chaenactis glabriuscula var. glabriuscula
Fred M. Roberts
1988-4-11
3901
Orange
Lomas De Santiago; Loma Ridge, Upper Limestone Canyon, c.a. 3.2 km NNW Bolero Lookout
Comment
SD256406
Chaenactis glabriuscula var. glabriuscula
Jim Roberts, Abbyann Sisk
2015-3-14
101
San Diego
Fallbrook; Gird Valley Preserve; just W of golf course; 0.21 miles SW of junction Gird Road and Casablanca Way; low ridge south edge of borrow pit
138
Comment
UCR209359
Chaenactis glabriuscula var. glabriuscula
Fred M. Roberts, D. E. Bramlet, Megan Lulow
2008-4-4
6845
Orange
Lomas de Santiago, Loma Ridge, at Calochortus Ridge near East Lomas Ridge Road, 0.7 km east of Bee Peak, Irvine Ranch Conservancy
509
Comment
RSA588785
Chaenactis glabriuscula var. glabriuscula
Fred M. Roberts, D. Bontrager
1990-4-18
4577
Orange
Rancho Mission Viejo: Chiquita Rdge, west of Canada Chiquita, 2.0 km N Median Rancho Survey Marker
152
Comment
UCR128551
Chamaebatia australis
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5817
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.5 mi. WSW of peak 2242, south of peak 1517
396
Comment
RSA542538
Chamaesyce polycarpa var. polycarpa
Fred M. Roberts
1988-5-13
3968
Orange
Lomas de Santiago: Loma Ridge, Upper Limestone Canyon near spring, 2.3 km NW Bolero Lookout.
439
Comment
UCR242704
Chasmanthe floribunda
Fred M. Roberts
2010-2-12
7174
Orange
South Coast; San Joaquin Hills, Niguel Hill, Laguna Niguel, Sea View Park, 0.2 km WNW summit of Niguel Hill
251
Comment
UCSB51642
Cheilanthes clevelandii
Roberts, Fred
1984-3-22
Santa Barbara
Santa Cruz Island, canyon 2.3km WNW of Diablo Peak, 0.6km NE of Bench Mark 1697
370
Comment
RSA731927
Chenopodium album
Fred M. Roberts, Sandy Leatherman
2007-11-27
6683
Orange
Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd.
118
Comment
IRVC21735
Chenopodium ambrosioides
Fred M. Roberts
1984-10-18
1423
Orange
San Juan Canyon, 2.5km ENE San Juan Guard Station; 4.0km WNW Sitton Peak, Santa Ana Mountains
310
Comment
IRVC24288
Chenopodium ambrosioides
Fred M. Roberts, G. A. Marsh
1985-10-26
2512
Orange
Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal
4
Comment
RSA0027426
Chenopodium ambrosioides
Fred M. Roberts
2013-7-18
7668
Orange
San Joaquin Hills: Newport Beach, Buck Gully, west end, just east of north terminus of Poppy Street and 2.2 km WNW summit of Pelican Hill.
39
Comment
RSA712937
Chenopodium ambrosioides
Fred M. Roberts
2005-10-3
6302
Orange
San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano.
27
Comment
UCR189546
Chenopodium ambrosioides
Fred M. Roberts, S. Leatherman
2007-9-19
6583
Riverside
Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge
128
Comment
IRVC22549
Chenopodium californicum
Fred M. Roberts
1985-5-1
1705
Orange
Aliso Canyon, 2.1km NNE Aliso Peak, Aliso Viejo
67
Comment
RSA678739
Chenopodium californicum
Fred M. Roberts, Carol A. Roberts, Robert Allen
2003-5-11
5856
Orange
Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive
76
Comment
RSA687520
Chenopodium californicum
Fred M. Roberts, D. E. Bramlet
2003-4-10
5648
Orange
Rancho Mission Viejo: Donna O Neill Land Conservancy, ridge between Cristianitos Cyn. and Segunda Deshecha Canada, 1.54km W Gato Gate and 1.59km NW Edison substation.
262
Comment
RSA749307
Chenopodium californicum
Fred M. Roberts, Linda Farley
2008-3-28
7035
Orange
Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robber s Peak, Irvine Land Conservancy.
437
Comment Read comments Mar 23 2020
UCD98119
Chenopodium californicum
Warren Roberts
1963-4-10
22
Monterey
Roberts Valley Ranch, 4 miles north of Carmel Valley Post Office.
457
Comment
SD242574
Chenopodium macrospermum
Fred Roberts
2011-9-9
7470
San Diego
San Marcos: Universal Boot parcel, along north side of San Marcos Blvd. about 150 meters W jct. South Los Posas Rd. San Marcos USGS 7.5min Quad.
160
Comment
RSA731958
Chenopodium murale
Fred M. Roberts, Sandy Leatherman
2007-11-27
6698
Orange
Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd.
118
Comment
RSA752040
Chenopodium murale
Fred M. Roberts
2008-3-27
6808
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor).
75
Comment
UCR233744
Chlorogalum pomeridianum
Fred M. Roberts
2008-6-12
7045
Orange
Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge, along 'Calochortus Ridge' near West Loma Ridge Road north of Haul Road, 2.6 km NW of Bee Peak, Irvine Ranch Land Conservancy
417
Comment
UCSB50639
Chlorogalum pomeridianum
Roberts, Fred
1982-7-7
Orange
South Laguna; Niguel Hill, 1.4 km. ESE Aliso Peak; 2.6 km. SSW Niguel Fire Station
207
Comment
RSA701969
Chlorogalum pomeridianum var. pomeridianum
Fred M. Roberts, David E. Bramlet
2003-6-20
5928 B
Orange
Rancho Mission Viejo: Donna ONeil Land Conservancy, Cristianitos Cyn., along Shady Canyon Trail, 84 meters N Sycamore Gate and 50 meters W Cristianitos Rd.
101
Comment
UCSB34460
Chorizanthe brevicornu var. brevicornu
Roberts, Fred
1980-6-1
Inyo
West of and near Trona-Wildrose Road, 14.5 km. north of Trona
199
Comment
IRVC28104
Chorizanthe fimbriata
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5772
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
UCR211705
Chorizanthe polygonoides subsp. longispina
Fred M. Roberts, Kerry M. Byrne
2006-5-4
6339
Riverside
Perris-Agunaga Basin, West Hemet Hills, 3.2 km west of the west end runway at Hemet Ryan Airport and 1.3 km east-northeast of the junction of Stowe and Winchester Roads
508
Comment
RSA747627
Chorizanthe procumbens
Fred M. Roberts
2008-5-16
6973
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
65
Comment
SD135291
Chorizanthe procumbens
Fred M. Roberts
1993-4-24
4856
San Diego
Carlsbad, Arroyo la Costa, just north of Mission Estancia Road, 5.2 km SW of Lake San Marcos dam, occasional on gentle hillside in opening of southern maritime chaparral along dirt road in sand (IPB 3/06)
73
Comment
UCSB52868
Chorizanthe procumbens
Roberts, Fred
1983-4-24
Orange
0.5km W Dana Point Harbor; 0.8km SSW Richard Henry Dana School
82
Comment
UCSB54286
Chorizanthe rigida
Roberts, Dar
1984-4-28
Mono
2.7 miles S of Rocked-in-Spring on E side of slough at BLM Spring in shadscale scrub; Fish Slough: a desert wetland system 4.5 mi. N of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis
1274
Comment
UCSB34461
Chorizanthe rigida
Roberts, Fred
1980-6-1
Inyo
West and near Trona-Wildrose Road, 14.5 km. North of Trona.
655
Comment
RSA542527
Chorizanthe staticoides
Fred M. Roberts, Kathy Keane
1988-5-25
3992
Orange
Rancho Mission Veijo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Marker.
91
Comment
RSA542529
Chorizanthe staticoides
Fred M. Roberts, Kathy Keane
1988-5-26
4008
Orange
Rancho Mission Viejo: tributary to Trampas canyon, along Christianitos rd., 2.4 km ESE Viejo Survey mark.
128
Comment
RSA542530
Chorizanthe staticoides
Fred M. Roberts
1987-3-30
3325
Orange
Lomas De Santiago: Lomas Ridge, east fork Upper Serrano Canyon, 3.1k SE Bolero Lookout.
394
Comment
RSA587875
Chorizanthe staticoides
Fred M. Roberts
1990-5-10
4626
Orange
Rancho Mission Viejo: Lower Talega Canyon, TRW Lease Holding, c.a. 4.8km NE Clemente Survey Marker.
122
Comment
RSA588786
Chorizanthe staticoides
Fred M. Roberts, Kathy Keane
1990-4-18
4576
Orange
Rancho Mission Viejo: Chiquita Rdge, west of Canada Chiquita, 2.0 km N Median Rancho Survey Marker
152
Comment
SD135292
Chorizanthe staticoides
Fred M. Roberts
1993-4-24
4863
San Diego
Carlsbad: Arroyo la Costa, 5.3 km SW San Marcos Lake dam, just north of west end of Mission Estancia Road locally common on west-facing slope on sandstone barren in disturbed mixed grassland and chaparral in sandy soil
64
Comment
RSA0015956
Chorizanthe staticoides subsp. chrysacantha
Fred M. Roberts
2012-5-10
7566
Orange
San Joaquin Hills: Buck Gully, south tributary, north slope Pelican hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit.
154
Comment
UCSB34468
Chorizanthe watsonii
Roberts, Fred
1980-6-1
Inyo
Near Haiwee Reservoir, on east side of Hwy. 395, 51 km. north of Junction 14.
352
Comment
UCSB34458
Chorizanthe xanti
Roberts, Fred
1980-5-31
Ventura
On west side of HWY 33, 6.4 km. by road S of Pine Mountains Summit
1433
Comment
UC1548625
Cirsium mohavense
D. A. Roberts
1983-7-23
FS 80
Inyo
2 mi n of jct of Fish Slough Rd and Jean Blanc Rd. (Red Willow Dam area, n end of Owens Valley); Fish Slough, Owens Valley, Red Willow Dam
1274
Comment
RSA0069236
Cirsium occidentale var. occidentale
Fred M. Roberts, Lee Ann Caranza
2009-4-7
7141
Orange
Dana Point Headlands: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor.
60
Comment
RSA773518
Cirsium occidentale var. occidentale
Fred M. Roberts
1999-5-3
5208
Orange
Lomas de Santiago: Loma Ridge, Central Limestone Canyon, west slope, 2.3 km NW Bolero Lookout and 0.5 km NE Bolero Spring
446
Comment
RSA773523
Cistanthe monandra
Fred M. Roberts
1999-5-14
5214
Orange
Peninsular Ranges; Santa Ana Mts.: Lomas de Santiago, Loma Ridge; Upper Limestone Canyon on slopes above Bolero Spring, 2.4 km NNW Bolero Lookout
451
Comment
UCSB48213
Clarkia bottae
Roberts, Fred
1981-5-3
Orange
Santa Ana Mtns; Hot Springs Canyon; 1.1km NNE San Juan Guard Station; near base of San Juan Trail
264
Comment
UCSB52914
Clarkia bottae
Roberts, Fred; Marsh, K.
1983-5-13
Orange
San Joaquin Hills, Laguna Canyon along Laguna Canyon Road; 1.7km N Thurston School; 6.4km SE Signal Peak
50
Comment
RSA553113
Clarkia bottae
Fred M. Roberts
1989-5-11
4344
Orange
Santa Ana Mountains: Upper Blind canyon, east fork, along power line maintainance road, 3.9km SE Walnut Reservoir.
381
Comment
POM271808
Clarkia purpurea subsp. purpurea
Cody Robertson
1938-5-8
s.n.
Kern
White Wolf grade; east of Arvin.
457
Comment
SD185853
Claytonia perfoliata subsp. mexicana
Laurie Roberts, Lane McClelland
2006-5-2
8
San Diego
Descanso. Just N of I-8, ca. 1 1/3 mi E of its intersection with SR-79.
1098
Comment
IRVC28449
Clematis pauciflora
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5721
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
SD233914
Clematis pauciflora
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5721
San Diego
Peninsular Range, San Ysidro Mountains: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River watershed (Otay Mtn. 7.5' Q)
167
Comment
SD256635
Clematis pauciflora
Jim Roberts, T. Chester, N. Accola, A. Ballway
2015-3-16
121
San Diego
Fallbrook; Gird Valley Preserve; NW of borrow pit; just W of golf course; 0.26 miles W of junction Gird Road and Casablanca Way; middle ridge.
141
Comment
UCR128407
Clematis pauciflora
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5721
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
UCSB48083
Clematis pauciflora
Roberts, Fred
1981-4-12
Orange
Santa Ana; San Juan Canyon, Hwy 74 2.0km by road SW San Juan Guard Station; 2.7km SW Juan Rancho Survey Mark
210
Comment
RSA752037
Cleome isomeris
Fred M. Roberts
2008-3-27
6812
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 1, 0.5km W Marine Institute (Dana Point Harbor).
45
Comment
UCSB53322
Cleomella brevipes
Roberts, Dar
1983-7-22
Mono
Fish Slough: desert wetland system 4.5 mi. north of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis; 30 m. north of pupfish refuge on second dirt rd. paralleling the fence, NW end of slough
1341
Comment
UC1548548
Cleomella obtusifolia
D. A. Roberts
1983-7-23
FS 55
Inyo
1 mi n Fish Slough Rd. jct. with Jean Blanc Rd. (at barrier separating slough from Owens River canal, 4.5 mi n of Bishop, n end of Owens Valley); Owens Valley, Fish Slough
1274
Comment
UCSB53324
Cleomella parviflora
Roberts, Dar
1983-7-22
Mono
Fish Slough: desert wetland system 4.5 mi. north of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis; 30 m. north of pupfish refuge on second dirt rd. paralleling the fence, NW end of slough
1341
Comment
RSA492390
Cleomella plocasperma
D. Roberts
1983-7-22
FS- 30
Mono
20 miles E of BLM Spring, on east side of fence. Fish Slough (a desert wetland system 4.5 miles N of Bishop at the northern end of Owens Valley; study site includes 14 sq. miles along a 7 mile drainage axis.)
Comment
UC1548528
Cleomella plocasperma
D. Roberts
1983-7-22
FS 30
Mono
20 m e BLM Spring (on e side of fence, 4.5 mi w of Bishop, Fish Slough, n end of Owens Valley); Owens Valley, Fish Slough
1274
Comment
UCSB53315
Cleomella plocasperma
Roberts, Dar
1983-7-22
Mono
Fish Slough: desert wetland system 4.5 mi. north of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis; 20 m. east of BLM Spring; on east side of fence
1341
Comment
UCSB48362
Clinopodium chandleri
Roberts, Fred
1982-4-18
Orange
Santa Ana Mtns.: Upper Hot Springs Cyn., 0.1 km SW Falcon Group Camp; 2.0 km SE Los Pinos Peak
1075
Comment
RSA590957
Cneoridium dumosum
Fred M. Roberts Jr., Karlin G. Marsh
1991-4-10
4767
Orange
Laguna Beach: South Laguna, Temple Hill, ridge between Upper Hobo Canyon and Aliso Gorge, 1.7km NW Niguel Hill summit.
219
Comment
UCSB48359
Cneoridium dumosum
Roberts, Fred
1982-6-30
Orange
Laguna Niguel: Pacific Island Dr., Niguel Hill, 2.0km SE Aliso Peak; 1.3km E Bench Mark 133
39
Comment
UCR128393
Collinsia heterophylla
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5725
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
SD233986
Collinsia heterophylla var. heterophylla
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5725
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River watershed. Canyon bottom along stream course.
167
Comment
UCSB48210
Collinsia heterophylla var. heterophylla
Roberts, Fred
1981-5-3
Orange
Hot Springs Canyon; 1.3km NNE San Juan Guard Station; Santa Ana Mtns
276
Comment
RSA0117395
Collinsia parryi
Fred M. Roberts, Robert L. Allen, Chris Barnhill
2003-4-26
5662
Riverside
Upper San Juan Canyon, along San Juan Loop Trail, 0.8 km NNW Upper San Juan Campground.
520
Comment
RSA0029945
Comarostaphylis diversifolia subsp. diversifolia
Fred M. Roberts, Sandra Leatherman
2013-2-13
7719
Orange
Santa Ana Mountains: Ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km SE Modjeska (town).
792
Comment
RSA594812
Comarostaphylis diversifolia subsp. diversifolia
Fred M. Roberts
1993-3-11
4881
Orange
Laguna Beach: South Laguna , Upper Hobo Canyon, 1.4 km NNW Aliso Peak.
201
Comment
RSA467066
Comarostaphylis diversifolia subsp. planifolia
Dar A. Roberts
1982-3-24
s.n.
Santa Barbara
Santa Cruz Island. 0.9 km northeast of Devils Peak,
530
Comment
SBBG55068
Comarostaphylis diversifolia subsp. planifolia
D. Roberts
1982-3-24
Santa Barbara
0.9 km NE of Devil's Pk
530
Comment
UCSB42753
Comarostaphylis diversifolia subsp. planifolia
Roberts, Dar
1982-3-24
Santa Barbara
0.9 km. northeast of Devils Peak, Santa Cruz Island
530
Comment
UCSB51645
Comarostaphylis diversifolia subsp. planifolia
Roberts, Fred
1984-3-22
Santa Barbara
Santa Cruz Island; Upper Cuesta Valdez area, 2.6 km. WNW Diablo Peak; 0.5 km. N Bench Mark 1697
395
Comment
UCSB52879
Comarostaphylis diversifolia subsp. planifolia
Roberts, Fred
1983-4-7
Orange
Laguna Niguel; Niguel Hill, above Pacific Island Road, 1.7 km. SE Aliso Peak; 3.0 km. SSW Alicia Fire Station
239
Comment
IRVC20432
Comarostaphylis diversifolia var. diversifolia
Fred M. Roberts
1983-4-7
977
Orange
Niguel Hill, above Pacific Island Dr., 1.7km SE Aliso Peak, 3.0km SSW Alicia Fire Station, Laguna Niguel
239
Comment
IRVC21613
Comarostaphylis diversifolia var. diversifolia
Fred M. Roberts
1984-3-31
1317
Orange
Niguel Hill, 1.0km ENE Aliso Peak, 2.1km SW Alicia Fire Station, Laguna Niguel
275
Comment
IRVC22479
Conium maculatum
Fred M. Roberts
1985-4-24
1655
Orange
Laguna Beach; Laguna Canyon on Laguna Canyon Rd., 0.7km N jct. El Toro Rd. Southern Coastal
76
Comment
IRVC23323
Conium maculatum
Fred M. Roberts
1985-7-23
2078
Orange
Irvine; San Diego Creek at Jeffrey Rd. bridge. Southern Coastal
35
Comment
CHSC59713
Convolvulus arvensis
Rod Robertson
1979-4-9
15
Santa Clara
West side of creek, West Valley College campus, Saratoga.
60
Comment
RSA0013914
Convolvulus arvensis
Fred M. Roberts
2012-5-10
7582
Orange
San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit.
154
Comment
SD187856
Convolvulus arvensis
Laurie Roberts, Lane McClelland
2006-5-29
28
San Diego
Descanso. NW base of Guatay peak, along Old Highway 80, just NE of its intersection with SR- 79.
1110
Comment
RSA0127343
Convolvulus simulans
Fred M. Roberts
2016-4-29
8046
Orange
Lomas de Santiago: north of Santiago Canyon Road, southwest slope of hill marked 1332 on topo maps, just west of Irvine Lake, 1.6 km S Irvine Lake dam spillway and 0.8 km NW Irvine Lake Park.
335
Comment
RSA0127597
Convolvulus simulans
Fred M. Roberts, Jutta Burger
2016-3-22
8027
Orange
Lomas de Santiago: west of Irvine Lake and north of Santiago Canyon Road, south slopes of Hill 1322, 2.0 km S Irvine Lake Dam spillway and 0.9km W Irvine Lake Park.
271
Comment
RSA610239
Convolvulus simulans
Fred M. Roberts, Tony Bomkamp
1997-3-13
4982
Orange
Rancho Mission Viejo: Christianitos Canyon, 4 km ESE Viejo Survey Mark.
5
Comment Read comments Oct 20 2011
RSA730987
Conyza bonariensis
Fred M. Roberts
2006-11-15
6461
Orange
Santa Ana Cyn., 1.0 km ENE Imperial Hwy bridge, between La Palma Ave. and Santa Ana River near Big Springs St.
89
Comment
UCR211725
Conyza bonariensis
Fred M. Roberts, Ileene Anderson
2005-5-20
6207
Riverside
Perris Basin, San Jacinto Valley, field 0.5 km west of Sanderson Road, 3.2 km southwest of Gilman Hot Springs
446
Comment
RSA0036109
Conyza canadensis
Fred M. Roberts, Carol A. Roberts
2008-9-28
7113
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor)
75
Comment
RSA703881
Conyza canadensis
Fred M. Roberts, David E. Bramlet
2004-11-5
6078
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary to Cristianitos Cyn., 0.14 km NNW Sycamore Gate and 0.10 km W Cristianitos Rd.
110
Comment
RSA743521
Conyza canadensis
Fred M. Roberts, Carol A. Roberts
2008-9-28
7113
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5 km W Marine Institute (Dana Point Harbor).
75
Comment
IRVC23904
Conyza coulteri
Fred M. Roberts
1985-8-19
2127
Orange
Mission Viejo: lateral to Engilish Canyon along Vista de Lago Drive; 3.4km ENE El Toro Fire Station. Southern Coastal
218
Comment
IRVC24188
Conyza coulteri
Fred M. Roberts
1985-9-17
2264
Orange
Irvine; lot between Walnut Avenue, Harvard Avenue and Peter's Creek Channel. southern coastal
20
Comment
IRVC24224
Conyza coulteri
Fred M. Roberts
1985-10-1
2292
Orange
Silverado Canyon, Silverado Canyon Road, 1.0km by road E junction Santiago Canyon Road. Santa Ana Mountains
320
Comment
UCR224167
Conyza coulteri
Fred M. Roberts, Carol A. Roberts
2008-9-28
7111
Orange
South Coast, Dana Point, Dana Point Headlands, CNLM Preserve near northeast Gate, 0.5 km west Marine Institute, Dana Point Harbor
75
Comment
UCR241916
Conyza coulteri
Fred M. Roberts, Lee Ann Caranza
2009-9-23
7162
Orange
Southern Coastal Plain, Dana Point, Dana Point Headlands, CNLM Dana Point Preserve, old Marguerite Road bed just west of the Nature Center and just east of the terminus of Dana Strands Road, 0.7 km west pier, Dana Point Harbor
73
Comment
UCR128547
Cordylanthus rigidus
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5774
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
427
Comment
RSA0084754
Cordylanthus rigidus subsp. setiger
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5774
San Diego
San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242.
427
Comment
UCR239652
Coreopsis gigantea
Fred M. Roberts
2012-5-4
7546
Orange
San Joaquin Hills, Buck Gully, along San Joaquin Hills Road, just west of Harbor Watch Park, 2.9 km west of Signal Peak
174
Comment
UC101078
Corethrogyne filaginifolia
Rev. Geo. Robertson
121
San Bernardino
San Bernardion Mts., Forest Home, Mill Creek Canyon San Bernardino Mts., Forest Home, Mill Creek Canyon
1676
Comment
UCSB52401
Corethrogyne filaginifolia
Roberts, Fred
1982-9-15
Orange
Rancho Mission Viejo; Rte. 74, 6.6 km. by road ENE San Juan Capistrano; 0.9 km. Viejo Peak
93
Comment Read comments Jan 25 2020
UCSB52942
Corethrogyne filaginifolia
Roberts, Fred
1983-11-4
Orange
Santa Ana Mtns.; between Flacon and Blue Jay campgrounds; along Main Divide Truck Trail, 2.1 km. ESE Los Pinos Peak
1090
Comment
SD242433
Corethrogyne filaginifolia var. incana
Fred Roberts
2011-6-24
7452
San Diego
Point Loma; Cabrillo Memorial Drive, about 0.3 km S jct. Woodward Dr., across from Fort Roscrans Military Cemetary, Point Loma USGS 7.5min quad, UTM 11S 04 76 965mE, 36 17 430mN.
103
Comment
RSA703091
Corethrogyne filaginifolia var. virgata
Fred M. Roberts, Arthur Davenport
2003-9-11
6004
Orange
Rancho Mission Viejo: Donna O' Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road.
126
Comment
RSA743452
Corethrogyne filaginifolia var. virgata
Fred M. Roberts
2008-7-10
7072
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor.
45
Comment
UCR224157
Corethrogyne filaginifolia var. virgata
Fred M. Roberts
2008-7-10
7072
Orange
South Coast, Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8 km west norhwest of Marine Institute, Dana Point Harbor
45
Comment
IRVC24483
Cortaderia selloana
Fred M. Roberts, G. A. Marsh
1986-2-28
2603
Orange
Lateral to English Canyon along Vista Del Lago; 3.4km ENE El Toro Fire Station, in ravine at base of north-facing slope. Mission Viejo
236
Comment
UCSB52470
Cotula australis
Roberts, Fred
1983-3-10
Orange
Dana Point Headlands; cliff above Dana Point Harbor, south of old Cove Rd.; 0.8 km. S Richard Henry Dana School
60
Comment Read comments Jan 25 2020
UCSB38431
Cotula australis
Roberts, D.; Fletcher, Martin
1981-3-23
Santa Barbara
Above Central Valley, 1 km. north of Field Station, Santa Cruz Island
213
Comment
RSA699758
Crassula connata
Fred M. Roberts, D. E. Bramlet
2003-5-15
5867
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary to Cristianitos Cyn., 1.68km SW Gato Gate and .24km NW of SDG&E substation.
116
Comment
RSA751982
Crassula connata
Fred M. Roberts
2008-3-27
6803
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor).
75
Comment
UCR128855
Crassula connata
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5805
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
470
Comment
UCSB47623
Crassula connata
Roberts, Fred
1980-4-3
Orange
Hills; 1.0 km. NE Dana Hills High School, Dana Point
75
Comment
RSA542643
Crassula connata var. erectoides
Fred M. Roberts, Dar A. Roberts
1989-3-22
4219
Orange
Aliso-Wood Canyons Regional Park: Wood Canyon, 3.6 km S Moulton Peak.
43
Comment
SEINET7837019
Crepis acuminata
J. Robertson, Y. Robertson
1979-7-20
s.n.
Mono
Masonic Hills, 5.9 mi. from Hwy 182; 2.4 mi. from NF boundary
2499
Comment
IRVC25205
Cressa truxillensis
Fred M. Roberts
1986-11-4
3198
Orange
Anaheim Bay, north of Hog Island, Seal Beach Naval Weapons Station
0
Comment
RSA0093742
Cressa truxillensis
Fred M. Roberts
2014-4-21
7848
Orange
South Coast. SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin.
113
Comment
RSA0011252
Croton californicus
Fred M. Roberts, Lee Ann Caranza
2006-10-25
6454
Orange
Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch.
58
Comment
RSA0011253
Croton californicus
Fred M. Roberts, Sandy Leatherman
2007-11-27
6670
Orange
Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge.
113
Comment
RSA0073651
Croton californicus
Fred M. Roberts
2010-3-12
7185
Orange
Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center.
50
Comment
UCSB47973
Croton californicus
Roberts, Jr., Fred
1980-2-17
Orange
Along north side of Dana Strand Road, on the bluffs west of Dana Mrina, Dana Point
56
Comment
RSA0011251
Croton californicus
Fred M. Roberts Jr.
1989-5-9
4340
Orange
Santa Ana Mts: Gypsum Canyon, west fork, 5.6 km WNW Sierra Peak, c.a. 1 km S Highway 91.
146
Comment
RSA715703
Croton setiger
Fred M. Roberts, Robert L. Allen
2005-10-15
6314
Orange
entrance to Falcon Group Camp, 2.1km ESE Los Pinos Peak and 0.3km NE campground.
1008
Comment
SD192505
Croton setiger
Fred Roberts, Carol A. Roberts
2006-10-15
6448
San Diego
Miramar Marine Corps Air Station: Rose Cyn., south of Miramar Way between Schilt Rd. and Obregon Ave.
135
Comment
UCSB48014
Croton setiger
Roberts, Fred
1980-9-14
Orange
Santa Ana Mtns.; San Juan Canyon, 0.6 km. SW Lower San Juan Picnic Ground; 1.9 km. WNW Sitton Peak
410
Comment
UCSB52909
Croton setiger
Roberts, Jr., Fred
1984-8-14
Orange
Santa Ana Mtns.; Chiquito Basin Trail, ridge between Chiquito Basin and Lion Canyon, 2.6 km. SSE Los Pinos Peak; 1.3 km. SSW Blue Jay Campground
885
Comment
RSA678720
Crypsis schoenoides
Fred M. Roberts, Michelle Lee
2001-6-29
5505
Orange
Rancho Mission Veijo: Chiquita Ridge, 0.3km WnW Rancgo Macian Survey Marker. PCR Vernal Pool 4., (33 33'11N,117 37' 18 W; T7S R7W, NW 1/4sec 21)
226
Comment
UCR281024
Cryptantha barbigera
Fred M. Roberts
2016-3-5
8000
Riverside
Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602"
116
Comment
UCSB52443
Cryptantha barbigera
Roberts, Fred
1982-5-15
San Bernardino
Midhills: Cedar Canyon, Cedar Canyon Rd., 9.7km by E. jct. Cima-Kelso Rd.
1591
Comment
RSA0073640
Cryptantha clevelandii
Fred M. Roberts
2010-3-12
7179
Orange
Southeast Coast: DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center.
50
Comment
UCR209386
Cryptantha clevelandii
Fred M. Roberts
2008-3-19
6782
Orange
South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor
45
Comment
JROH1358
Cryptantha flaccida
Robert Robertson
1954-4-23
92
San Mateo
Jasper Ridge Biological Preserve, Stanford University
Comment
IRVC28059
Cryptantha intermedia
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5769
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
RSA542657
Cryptantha intermedia
Fred M. Roberts
1988-4-10
3902
Orange
Lomas De Santiago: Loma Ridge, Upper Limestone Canyon, c.a. 3.2 kilometer NNW Bolero Lookout.
347
Comment
RSA678721
Cryptantha intermedia
Fred M. Roberts, Robert Allen, Carol Roberts
2003-5-11
s.n.
Orange
Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive
76
Comment
RSA687518
Cryptantha intermedia
Fred M. Roberts, D. E. Bramlet
2003-4-10
5651
Orange
Rancho Mission Viejo: Donna O Neill Land Conservancy, ridge between Cristianitos Cyn. and Segunda Deshecha Canada, 1.54km W Gato Gate and 1.59km NW Edison substation.
262
Comment
SD233968
Cryptantha intermedia
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5769
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242.
427
Comment
UCR280920
Cryptantha maritima
Fred M. Roberts
2016-3-5
7995
Riverside
Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602"
116
Comment
RSA0127598
Cryptantha microstachys
Fred M. Roberts, Diane Etchison
2016-3-22
8028
Orange
Lomas de Santiago: west of Irvine Lake and north of Santiago Canyon Road, southeastern slope of Hill 1332 near toe of slope, about 1.9km S Irvine Lake Dam spillway.
263
Comment
RSA542659
Cryptantha microstachys
Fred M. Roberts, K. Keane
1988-5-26
4005
Orange
Rancho Mission Viejo: tributary to Trampas canyon, along Christianitos rd., 2.4 km ESE Viejo Survey mark.
128
Comment
RSA749491
Cryptantha microstachys
Fred M. Roberts, Linda Farley
2008-3-28
6825
Orange
Santa Ana Mtns.: Upper Weir Cyn., Irvine Ranch Conservancy, 3.3 km ENE Robbers Peak on ridge north of canyon.
427
Comment
UCR209382
Cryptantha microstachys
Fred M. Roberts, Linda Farley
2008-3-28
6825
Orange
Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon
427
Comment
SD233969
Cryptantha muricata var. jonesii
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5787
San Diego
Peninsular Range, San Ysidro Mrns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242.
427
Comment
UCR280921
Cryptantha nevadensis
Fred M. Roberts
2016-3-5
7996
Riverside
Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602"
116
Comment
UCR280918
Cryptantha pterocarya var. cycloptera
Fred M. Roberts
2016-3-5
7993
Riverside
Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602"
116
Comment
UCR247894
Cucurbita foetidissima
Fred M. Roberts
2012-7-18
7659
Orange
SAN JOAQUIN HILLS: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill
52
Comment
RSA730999
Cupressus forbesii
Fred M. Roberts, B. Allen, D. Olsen
2007-1-19
6502
Orange
Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak.
852
Comment
CHSC59934
Cupressus guadalupensis
Warren Roberts; Bill Sacks
1981-1-15
Yolo
Northeast of Mrak Bridge, section V A of Arboretum, University of California, Davis.
Comment
UCR258625
Cuscuta campestris
Fred M. Roberts
2014-7-25
7890
Orange
South Coast, SAN JOAQUIN HILLS: Upper Laguna Canyon, Laguna Lake 1 (Upper Laguna Lake), north basin, c.a. 5.1 kn ENE summit Signal Hill. Laguna Coast Wilderness Park
113
Comment
RSA0014999
Cuscuta subinclusa
Fred M. Roberts, D. E. Bramlet
2008-5-13
6958
Orange
Lomas de Santiago: Loma Ridge, north end, west of Sheriff Rd., 1.4 km SE Peters Canyon Reservoir dam. Irvine Ranch Conservancy.
263
Comment
RSA716729
Cuscuta subinclusa
Fred M. Roberts
2004-8-21
6100
Orange
Santa na Mtns.: Hot Springs Cyn., Hot Springs Cyn. Rd., c.a. 0.8km by road N jct. SR 74; 0.7km NNW Juan Rancho Survey Mark.
255
Comment
RSA716731
Cylindropuntia prolifera
Fred M. Roberts, D. E. Bramlet
2004-11-5
6129
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Cyn., 0.79 km N Sycamore Gate and 0.18 km W Cristianitos Road.
146
Comment
UCR224166
Cylindropuntia prolifera
Fred M. Roberts, Carol A. Roberts
2008-9-28
7117
Orange
South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west northwest of Marine Institute, Dana Point Harbor
65
Comment
RSA0042531
Cynodon dactylon
Fred M. Roberts
2013-5-30
7778
Orange
Lomas de Santiago: Santiago Creek wash, at Santiago Canyon Road bridge (south side), 0.3km W jct. Silverado and Santiago Canyon Roads.
299
Comment
SD193455
Cynodon dactylon
Fred Roberts
2006-7-6
6361
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
RSA678728
Cynodon dactylon
Fred M. Roberts, Michelle Lee
2001-6-29
5506
Orange
Rancho Mission Veijo: Chiquita Ridge, 0.3km WnW Rancgo Macian Survey Marker. PCR Vernal Pool 4., (33 33'11N,117 37' 18 W; T7S R7W, NW 1/4sec 21)
226
Comment
RSA0069227
Cyperus difformis
Fred M. Roberts
2008-9-3
7082
Orange
Yorba Linda: Santa Ana River Canyon, Santa Ana River, 0.7 km W Gypsum Cyn. bridge, south of La Palma Ave.
107
Comment
RSA539371
Cyperus eragrostis
Fred M. Roberts, D. Willick
1988-9-16
4136
Orange
Peralata Hills: Oak Canyon Nature Center, Upper Walnut Canyon, 1.0 kilmeter N Robbers Peak.
180
Comment
RSA599638
Cyperus eragrostis
Fred M. Roberts, P. Barrett, G. Bastillos
1995-7-25
4967
Orange
Santa Ana Mountains: San Juan Canyon along San Juan Creek, San Juan Hot Springs, 0.8 kilometer SSW Juan Rancho Survey Mark.
214
Comment
UCSB48015
Cyperus eragrostis
Roberts, Fred
1980-6-30
Orange
Irvine: near east end of Veeh Reservoir; at corner of Ridgeroute and Peralta Rd.
92
Comment
UCSB52418
Cyperus eragrostis
Roberts, Fred; Marsh, K.
1982-10-18
Orange
Laguna Beach: east flank of Temple Hill; along east margin of Top of the World School
295
Comment
UCR188894
Cyperus erythrorhizos
Fred M. Roberts, S. Leatherman
2007-9-19
6588
Riverside
Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge
128
Comment
RSA594874
Cyperus erythrorhizos
Fred M. Roberts, W. R. Ferren
1991-12-1
4829
Orange
San Joaquin Hills: Laguna Canyon, Upper Laguna Lake, 3.5 kilometers N junction El Toro Road, 4.9 kilometers ENE Signal Peak.
113
Comment
RSA725529
Cyperus esculentus
Fred M. Roberts
2007-9-11
6573
Orange
Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center.
83
Comment
RSA718966
Cyperus odoratus
Fred M. Roberts, Robert L. Allen
2006-10-8
6414
Orange
San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch.
4
Comment
UCR188896
Cyperus odoratus
Fred M. Roberts, S. Leatherman
2007-9-19
6589
Riverside
Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge
128
Comment
UCR189290
Cyperus odoratus
Fred M. Roberts, S. Leatherman
2007-9-19
6595
Riverside
Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge
128
Comment
SD242350
Cyperus rotundus
Fred Roberts
2011-4-19
7409
San Diego
Oceanside: Whelan Ranch, near 726 Point Arguello Road.
17
Comment
RSA539378
Dactylis glomerata
Fred M. Roberts
1988-6-9
4080
Orange
Santa Ana Mountains: Modjeska Peak, 0.9km SW summit., 3730500mN, 449000mE
1542
Comment
UCSB48221
Datisca glomerata
Roberts, Fred
1981-6-22
Orange
Santa Ana Mtns.: San Juan Canyon; 0.1 km. N Lower San Juan Picnic Ground
390
Comment
RSA542375
Datura stramonium
Fred M. Roberts Jr., Gordon Marsh
1987-8-31
3600
Orange
Santa Ana River: adjacent to Santa Ana, 0.5 km NE 17th St. bridge.
27
Comment
RSA743455
Datura wrightii
Fred M. Roberts
2008-7-10
7075
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor).
52
Comment
IRVC28109
Daucus pusillus
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5761
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
RSA542444
Daucus pusillus
Fred M. Roberts, Kathy Keane
1988-5-26
4004
Orange
Rancho Mission Viejo: tributary to Trampas canyon, along Christianitos rd., 2.4 km ESE Viejo Survey mark.
128
Comment
RSA678736
Daucus pusillus
Fred M. Roberts, Carol A. Roberts, Robert Allen
2003-5-11
5859
Orange
Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive.
73
Comment
CAS-BOT-BC300018
Deinandra corymbosa subsp. corymbosa
Robert Robertson
1954-5-8
152
Monterey
E. of Carmel Cove, Point Lobos
30
Comment
RSA747715
Deinandra fasciculata
Fred M. Roberts
2008-7-10
7064
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
65
Comment
RSA749349
Deinandra fasciculata
Fred M. Roberts
2008-4-22
6922
Orange
Lomas de Santiago: Loma Ridge, Lower Hicks Cyn.,along Haul Rd. near asphalt plant, 2.2 km ENE Rattlesnake Reservoir dam and 2.2 km WNW Bee Peak, Irvine Ranch Conservancy.
188
Comment
SD192278
Deinandra fasciculata
Fred Roberts
2006-7-6
6371
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
RSA0073652
Deinandra paniculata
Fred M. Roberts
2014-7-25
7882
Orange
South Coastal Plain: San Joaquin Hills: Laguna Canyon, Nix Nature Center, Laguna Coast Wilderness Park, about 4.4 km E Signal Peak.
126
Comment
RSA0073657
Deinandra paniculata
Fred M. Roberts
2014-7-25
7893
Orange
South Coastal Plain: San Joaquin Hills: Laguna Canyon, just west of Laguna Lake 1, 4.8 km ENE Signal Hill, Laguna Coast Wilderness Park.
116
Comment
UCR267217
Deinandra paniculata
Fred M. Roberts
2014-7-25
7882
Orange
South Coastal Plain, SAN JOAQUIN HILLS: Laguna Canyon, Nix Nature Center, Laguna Coast Wilderness Park, about 4.4 km E Signal Peak
126
Comment
RSA581442
Delphinium parryi
Fred M. Roberts
1989-5-12
4361
Orange
Santa Ana Mountains: Santiago Canyon, Flemming Regional Park, just E of Modjeska at end of paved road, ca. 3.3 km WSW Laurel Springs.
430
Comment
RSA788921
Delphinium parryi subsp. parryi
Fred M. Roberts
1999-6-10
5243
Orange
Lomas de Santiago: Loma Ridge, Central Limestone Cyn., 4.5 km W Silverado School and 4.5 km NW Bolero Lookout.
306
Comment
SD236098
Delphinium patens subsp. hepaticoideum
Laurie Roberts, Lane McClelland
2006-5-29
21
San Diego
Descanso. NW base of Guatay peak, along Old Highway 80, just NE of its intersection with SR- 79.
1110
Comment
UCSB47986
Dendromecon rigida
Roberts, Fred
1980-5-3
Orange
Main Divide Truck Trail, 0.2km west of Trabuco Peak, Santa Ana Mtns.
1347
Comment
UCR215308
Descurainia pinnata subsp. halictorum
Fred M. Roberts, Eliza L. Maher
2008-3-26
6797
Orange
South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near Strands Road gate, 0.8 km west of Marine Institute, Dana Point Harbor
71
Comment
IRVC28052
Dicentra chrysantha
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5734
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
CHSC12639
Dicentra uniflora
Geo. Roberts
1974-4-18
Calaveras
Buck Ranch Rd., near Hayward Creek, n of State Hwy 4.
1524
Comment
UCR128516
Dichelostemma capitatum
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5696
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed
305
Comment
UCR128538
Dichelostemma capitatum
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5779
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
427
Comment
UCSB52467
Dichelostemma capitatum
Roberts, Fred
1983-2-10
Orange
Dana Point: hills, 0.7km NE Dana Hills High School
92
Comment
RSA0127418
Dichelostemma capitatum subsp. capitatum
Fred M. Roberts
2016-3-17
8013
Orange
San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp.
314
Comment
SD143283
Dichelostemma capitatum subsp. capitatum
Fred M. Roberts
1997-4-11
4992
San Diego
Carlsbad:Upper Encintas Creek watershed east of Rancho Santa Fe Road, Fieldstone Southeast,ca. 5.7 km southwest Double Peak Abundant on gentle east-facing slope in open mosaic of coastal sage scrub and native grassland that had burned in October 1996
88
Comment
SD164583
Dichelostemma capitatum subsp. capitatum
Fred M. Roberts
2001-4-9
5406
San Diego
Jamul Mountains:southwest slopes, northeast of Upper Otay Lake, 5.4 km southeast summit Mother Miguel Mtn. Otay Lakes North MSCP parcel. Knoll along ridge on mostly gentle southwest-facing slope in rocky, open coastal sage scrub and annual grassland
309
Comment
IRVC28107
Dichondra occidentalis
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5786
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
RSA691029
Dichondra occidentalis
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5786
San Diego
San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242.
427
Comment
SD164499
Dichondra occidentalis
Fred M. Roberts
2001-5-17
5468
San Diego
Santa Fe Valley MSCP parcel: hills S of Lake Hodges, 4.4 km SW Bernardo Mtn. S-facing slope in chamise chaparral
249
Comment
UCR125973
Dichondra occidentalis
Fred M. Roberts
2001-5-22
5471
San Diego
Peninsular Range, San Ysidro Mountains, NW foothills just east of Otay Lake, 0.5 km east of Savage Dam
215
Comment Read comments Sep 7 2019
UCR128859
Dichondra occidentalis
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5786
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
427
Comment
UCR242698
Dichondra occidentalis
Fred M. Roberts
2012-5-10
7571
Orange
Coastal Plains and Basins; Coastal foothills Region, SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit.
154
Comment
SD262380
Dietes iridioides
Jim Roberts
2015-1-9
75
San Diego
City of San Diego; Tecolote Canyon Natural Park; in runoff channel approximately 75m downhill and west from Mt. Culebra Avenue entrance.
89
Comment
RSA731938
Digitaria ciliaris
Fred M. Roberts, Sandy Leatherman
2007-11-27
6697
Orange
Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd.
118
Comment
UCR188994
Digitaria ischaemum
Fred M. Roberts
2007-10-29
6622
Orange
South Coast, Niguel Hill, Laguna Niguel. Seaview Park, 1.3 km ENE of Aliso Peak
265
Comment
SD233441
Digitaria sanguinalis
Fred Roberts
2006-7-6
6362
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
RSA0019266
Dimorphotheca ecklonis
Fred M. Roberts
2008-10-9
7122
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, at base of cliff adjacent to Dana Strands Beach, 0.8km WNW Marine Institute (Dana Point Harbor).
3
Comment
SD192361
Dimorphotheca fruticosa
Fred Roberts
2006-7-6
6380
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
UCR215301
Dimorphotheca sinuata
Fred M. Roberts
2008-4-22
6924
Orange
Lomas de Santiago, Loma Ridge, upper Hicks Canyon, along Haul Road, 0.8 km WNW and 3.2 km east of Rattlesnake Reservoir Dam
302
Comment
RSA552948
Distichlis spicata
Fred M. Roberts, R. E. Riefner
1989-5-2
4329
Orange
Aliso-Wood Canyon Regional Park: Aliso Canyon, 3.4 kilometers SSE Moulton Peak., UTM 3711900m N, 432900m E
30
Comment
RSA708818
Distichlis spicata
Fred M. Roberts, Robert L. Allen, Chris Barnhill
2004-8-21
6113
Orange
Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74.
214
Comment
RSA743471
Distichlis spicata
Fred M. Roberts
2008-10-9
7124
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, at base of cliff adjacent to Dana Strands Beach, 0.8km WNW Marine Institute (Dana Point Harbor).
3
Comment
UCSB47954
Distichlis spicata
Roberts, D.
1980-5-4
Orange
North end of Camino Capistrano Rd; 2nd telephone pole from the end
30
Comment
SD192283
Dittrichia graveolens
Fred Roberts, Carol A. Roberts
2006-10-15
6445
San Diego
Miramar Marine Corps Air Station: Rose Cyn., south of Miramar Way between Schilt Rd. and Obregon Ave.
135
Comment Read comments Sep 5 2017
RSA610234
Dodecatheon clevelandii
Fred M. Roberts
1997-2-7
4976
Orange
Rancho Mission Viejo: Calif. Rte. 74 circa 6.8 km E Interstate 5 ( San Juan Capistrano) opposite the mouth of Canada Gobernadora, 1.2km NE Viejo Survey Mark.
88
Comment
UCSB52469
Draba cuneifolia
Roberts, Fred; Marsh, K.
1983-2-25
Orange
Laguna Beach, Goff Ridge, southern Temple Hill, 0.9 km NNE Goff Island
180
Comment
RSA539423
Draba cuneifolia var. integrifolia
Fred M. Roberts, Karlin G. Marsh
1989-3-7
4195
Orange
LOMAS DE SANTIAGO: Loma Ridge, tributary to Hicks Canyon, 2.2 km W Bee Survey Mark.
166
Comment
UCSB48384
Drymocallis glandulosa var. glandulosa
Roberts, Fred
1982-4-18
Orange
Santa Ana Mtns., San Juan Canyon, Hwy 74, 0.6km SW Lower San Juan Picnic Ground; 1.9km WNW Sitton Peak
420
Comment
IRVC22504
Dryopteris arguta
Fred M. Roberts
1985-5-1
1698
Orange
Aliso Canyon, 2.1km NNE Aliso Peak, Aliso Viejo
67
Comment
IRVC22665
Dryopteris arguta
Fred M. Roberts
1985-5-9
1726
Orange
Santa Ana Mountains: Upper McVicker Canyon, 1.8km NE Los Pinos Peak. Peninsular Ranges
1113
Comment
IRVC23909
Dryopteris arguta
Fred M. Roberts, R. L. Allen
1985-8-19
2136
Orange
Mission Viejo: lateral to Engilish Canyon along Vista de Lago Drive; 3.4km ENE El Toro Fire Station. Southern Coastal
218
Comment
UCR215285
Dryopteris arguta
Fred M. Roberts
2008-5-14
6962
Orange
Lomas de Santiago, Loma Ridge, upper Bee Flat Canyon below Loma Ridge Road, 1.3 km north of Bee Peak and 5.4 km NW of Bolero Lookout. Irvine Ranch Conservancy
337
Comment
IRVC24994
Dryopteris arguta
Fred M. Roberts, R. Fisher
1986-6-18
3015
Orange
Irvine; [San Joaquin Hills], east lateral to Shady Canyon, c.a. 2.9km SE French Hill.
82
Comment
IRVC25312
Dryopteris arguta
Fred M. Roberts
1987-3-27
3278
Orange
Canada de Los Alisos; Canada Rd., 4.5km NNE El Toro Fire Station. Southern Coastal
226
Comment
RSA678502
Dudleya blochmaniae subsp. blochmaniae
Fred M. Roberts, Robt Allen, Carol A. Roberts
2003-5-11
5863
Orange
Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive.
73
Comment
RSA0063395
Dudleya edulis
Fred M. Roberts, David Bramlet
2003-6-6
5909
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road.
149
Comment
RSA542641
Dudleya edulis
Jeni L. Roberts, K. Keane
1988-5-25
3981
Orange
Rancho Mission Viejo; Lower Canada Chiquita, 2.5 km SSE Medium Rancho Survey Mark;
105
Comment
IRVC25461
Dudleya lanceolata
Fred M. Roberts
1987-4-21
3386
Orange
Aliso Creek, Aliso Creek Bike Trail, 3.0km ENE Moulton Peak, Aliso Viejo
73
Comment
RSA743454
Dudleya lanceolata
Fred M. Roberts
2008-7-10
7074
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor.
45
Comment
UCSB48002
Dudleya lanceolata
Roberts, Fred
1980-7-11
Orange
Santa Ana Mtns.: Viejo Canyon; 3.0 km. ENE San Juan Guard Station; 0.6 km. N Hwy. 74
353
Comment
RSA542640
Dudleya multicaulis
Fred M. Roberts, Kathy Keane
1988-5-25
3994
Orange
Rancho Mission Veijo: Lower Canada Chiquita, 2.0km SSE Medium Rancho Survey Marker.
91
Comment
RSA550595
Dudleya multicaulis
Fred M. Roberts
1989-4-26
4319
Orange
Santa Ana Mtns.: Lower Blind Canyon near mouth, 9.2km SW Sierra Peak, 1.0km N Irvine Lake spillway.
213
Comment
RSA550604
Dudleya multicaulis
Fred M. Roberts
1989-4-25
4309
Orange
Santa Ana Mountains: East Rim of Blind Canyon 8.5 kilometers SW Sierra Peak, c. 1.4 kilometer N Irvine Lake spillway.
366
Comment
RSA552936
Dudleya multicaulis
Fred M. Roberts
1989-5-7
4337
Orange
Lomas De Santiago: 1.8km W Santiogo Reservoir Spilway, 4.0 km SW Sierra Peak.
213
Comment
RSA747594
Dudleya multicaulis
Fred M. Roberts
2000-5-19
5327
Orange
Lomas de Santiago: Loma Ridge, ridge west of Bee Peak above Bee Cyn. landfill, 0.2 km W Bee Peak.
500
Comment
UCR215300
Dudleya multicaulis
Fred M. Roberts
2008-4-23
6925
Orange
Lomas de Santiago, Loma Ridge, north end along Sheriff Rd., 1.6 km SE of Peters Canyon Reservoir dam
340
Comment
RSA0062957
Dudleya pulverulenta subsp. pulverulenta
Fred M. Roberts
2008-7-10
7076
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
65
Comment
RSA703883
Dudleya pulverulenta subsp. pulverulenta
Fred M. Roberts, D. E. Bramlet
2004-7-30
6080
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Western slopes of Cristianitos Cyn., 0.25km W Sycamore Gate and Cristianitos Road.
151
Comment
UCR224165
Dudleya pulverulenta subsp. pulverulenta
Fred M. Roberts
2008-7-10
7076
Orange
South Coast, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west-northwest of Marine Institute, Dana Point Harbor
65
Comment
SD148657
Dudleya variegata
Fred M. Roberts
2001-6-6
5490
San Diego
La Jolla Valley, Black Mtn. Ranch, 0.7 km northwest Barn Survey Marker.
139
Comment
SD164493
Dudleya variegata
Fred M. Roberts
2001-5-10
5456
San Diego
Lusardi Creek MSCP parcel: Mesas N of Lusardi Creek, 1.4 km NE Low South Survey Marker. Hollow in mima mound-like topography near top of mesa and on gentle E-facing slope on cobbly clay lens in native grassland opening in coastal sage scrub
110
Comment
SD220303
Dudleya variegata
Fred Roberts
2000-5-17
5325
San Diego
Jamul Mtns.: southern slope, Resort site, above Otay Lakes, 2.2 km ESE Upper Otay Lakes dam [Jamul Mtns. Quad: UTM Z11 05 08 506mE, 36 11 848mN].
220
Comment
SD203422
Dudleya viscida
Fred Roberts
2006-7-6
6350
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
UCSB48031
Dudleya viscida
Roberts, Fred
1980-7-7
Orange
Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 2.3 km. ENE San Juan Guard Station; 0.4 km. W of Bench Mark 1100
315
Comment
UCSB50636
Dudleya viscida
Roberts, Fred
1982-7-9
Orange
Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 1.4 km. by road E San Juan Guard Station; 4.6 km. W Sitton Peak
275
Comment
UCSB52397
Dysphania ambrosioides
Roberts, Jr., Fred
1982-10-1
Santa Barbara
Laguna Niguel; Niguel Hill, west flank, 2.7 km. NNE Aliso Peak; 0.9 km. WNW Alicia Fire Station
157
Comment
UCSB52395
Dysphania multifida
Roberts, Fred; Ferren, Wayne
1982-7-21
Orange
Newport Beach; Upper Newport Back Bay, Back Bay Dr., 3.5 km. N San Joaquin Hills Rd.; 3.0 km. W UC Irvine campus
2
Comment
RSA731947
Echinochloa colona
Fred M. Roberts, Sandy Leatherman
2007-11-27
6688
Orange
Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd.
118
Comment
RSA725527
Echinochloa crus-galli
Fred M. Roberts
2007-9-11
6575
Orange
San Juan Capistrano: San Juan Creek at the confluence with Trabuco Creek.
17
Comment
RSA731944
Echinochloa crus-galli
Fred M. Roberts, Sandy Leatherman
2007-11-27
6691
Orange
Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd.
118
Comment
RSA0127350
Echium candicans
Fred M. Roberts
2016-5-20
8058
Orange
City of Irvine: San Joaquin Hills, Turtle Rock Community along Ridge Route Road, 1.0 km SE summit of French Hill and just NE intersection with Hillsborough Drive.
122
Comment
RSA715696
Eclipta prostrata
Fred M. Roberts, Chris M. Barnhill
2005-9-27
6276
Orange
San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano,
27
Comment
IRVC24281
Eclipta prostrata
Fred M. Roberts, G. A. Marsh
1985-10-26
2518
Orange
Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal
4
Comment
UCSB47620
Ehrendorferia chrysantha
Roberts, Fred
1980-5-3
Orange
Santa Ana Mtns., San Juan Canyon, Rte. 74, 0.2km S Lower San Juan Picnic Ground
393
Comment
RSA688978
Ehrharta calycina
Fred M. Roberts, David E. Bramlet
2003-4-10
5636
Orange
Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate.
216
Comment
UCSB36171
Ehrharta calycina
Roberts, D.
1980-4-25
San Luis Obispo
in open field dominated closest to the rd by grass; 6 mi NW Guadalupe on Calif 1 at Nipomo Mesa
30
Comment
RSA731006
Ehrharta erecta
Fred M. Roberts, B. Allen
2007-1-19
6508
Orange
Mission Viejo: 23012 Via San Gabriel. Irrigated urban landscaping.
230
Comment
RSA731651
Ehrharta erecta
Fred M. Roberts
2007-10-29
6628
Orange
Laguna Beach: Temple Hill, Nyes Place, c.a. 0.2 km S Moulton Meadows Park.
232
Comment
RSA751986
Ehrharta erecta
Fred M. Roberts, Eliza Maher
2008-3-26
6798
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
71
Comment
RSA731949
Elatine californica
Fred M. Roberts, Carol A. Roberts
1991-5-22
4801
Orange
San Joaquin Hills: Upper Laguna Cyn., Upper Laguna Lake, c.a. 3.6km N by road of El Toro Rd. & 5km ENE Signal Peak.
118
Comment
UCSB57546
Eleocharis montevidensis
Roberts, Fred
1984-4-14
Orange
Santa Ana Mtns.; Chiquito Basin, San Juan Trail, 1.9 km. SW Blue Jay Campground; 2.8 km. S Los Pinos Peak
840
Comment
RSA542338
Eleocharis montevidensis var. montevidensis
Fred M. Roberts, K. Keane
1988-5-25
3984
Orange
Ranch Mission Viejo: Lower Canada Chiquita, 2.5 kilometers SSE Medium Rancho Survey Mark.
82
Comment
RSA588792
Eleocharis montevidensis var. montevidensis
Fred M. Roberts, D. Bontrager
1990-4-18
4569
Orange
Rancho Mission Viejo: Canada Chiquita, east side of canyon near mouth, 2.7 kilometers SSE Median Rancho Survey Marker; UTM Z11 37 10 000N, 4 43 800m E
79
Comment
RSA0027434
Eleocharis palustris
Fred M. Roberts
2012-7-18
7674
Orange
San Joaquin Hills: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus, of Poppy Street and 2.1 km WNW summit of Pelican Hill.
37
Comment
RSA542551
Eleusine indica
Fred M. Roberts
1987-8-19
3587
Orange
Santa Ana River: adjacent to Fountain Valley, Harbor Bridge.
13
Comment
RSA725461
Eleusine indica
Fred M. Roberts
2007-8-6
6556
Orange
San Joaquin Hills: Laguna Beach, Laguna Cyn. on east side of Laguna Cyn. Rd. adj. to dog park, 1.2 km S (air) from El Toro Road and 1.8 km WSW Moulton Survey Mk.
52
Comment
SD193477
Elymus condensatus
Fred Roberts
2006-7-6
6367
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
UCR177693
Elymus glaucus
Fred M. Roberts
2003-5-1
5687
Orange
Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.21 km west of Cristianitos Rd.
96
Comment
UCSB47967
Elymus glaucus
Roberts, Fred
1980-5-3
Orange
Main Divide Truck Trail; 2.0km WNW of Trabuco Peak; Santa Ana Mountains
1234
Comment
RSA539359
Elymus glaucus subsp. glaucus
Fred M. Roberts
1988-6-9
4069
Orange
Santa Ana Mountains: Main Divide Truck Trail, Upper Silverado Canyon, 1.9 kilometer N Modjeska Peak., UTM 3733000mN, 449500mE
1128
Comment
UCR215297
Elymus glaucus var. glaucus
Fred M. Roberts
2008-5-7
6940
Orange
Lomas de Santiago, Limestone Ridge between Dripping Spring and Limestone Canyon, 3.5 km NW of Bolero Lookout and 1.7 km east of Bee Peak. Irvine Ranch Conservancy
481
Comment
RSA539340
Elymus multisetus
Fred M. Roberts, Carol A. Roberts
1988-6-9
4078
Orange
Santa Ana Mountains: Modjeska Peak, 0.9km SW summit., 3730500mN, 449000mE
1542
Comment
RSA679226
Elymus multisetus
Fred M. Roberts
2003-6-25
5944
Orange
Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit.
1605
Comment
RSA539385
Emmenanthe penduliflora
Fred M. Roberts, Carol A. Roberts
1988-6-10
4093
Orange
Santa Ana Mtns: Main Divede Truck Trail, Modjeska Peak, 1.1 km SW summit.
465
Comment
RSA0127347
Emmenanthe penduliflora var. penduliflora
Fred M. Roberts
2016-4-29
8050
Orange
Lomas de Santiago: north of Santiago Canyon Road, southwest slope of hill marked 1332 on topo maps, just west of Irvine Lake, 1.6 km S Irvine Lake dam spillway and 0.8 km NW Irvine Lake Park.
335
Comment
RSA0073641
Encelia californica
Fred M. Roberts
2010-3-12
7177
Orange
Southeast Coast: DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center.
50
Comment
RSA681948
Encelia californica
Fred M. Roberts, David E. Bramlet
2003-3-7
5569
Orange
Donna O'Neill Land Conservancy; Ridge west of Christianitos Canyon, Middle Ridge Trail, 1.1km NW Gato Gate.
178
Comment
RSA719414
Encelia californica
Fred M. Roberts, Lee Ann Caranza
2006-10-25
6452
Orange
Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch.
58
Comment
SD193591
Encelia californica
Fred Roberts
2006-7-6
6378
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
UCR239635
Encelia californica
Fred M. Roberts
2012-4-24
7503
Orange
San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak
179
Comment
UCR281022
Ephedra aspera
Fred M. Roberts
2016-3-5
8002
Riverside
Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602"
116
Comment
SEINET5335149
Ephedra nevadensis
J. Robertson
1974-6-25
116 -74
Mono
2 mi. east of Benton Ca, on dump road
1792
Comment
SD242610
Epilobium brachycarpum
Fred Roberts
2011-9-9
7465
San Diego
San Marcos: Universal Boot parcel, along east side of South Pacific St., 0.2 km N jct. San Marcos Blvd. San Marcos USGS 7.5min Quad.
162
Comment
SBBG60124
Epilobium canum
G. Robertson
-Aug-1903
Unknown
near "Corona" San Padro Martir
1828
Comment
UCSB52396
Epilobium canum subsp. canum
Roberts, Fred
1982-9-20
Orange
Santa Ana Mts., near jct. of San Juan and Chiquito Basin Trails, 1.4km SW Blue Jay Campground; 2.4km SSE Los Pinos Peak
974
Comment
UCSB48194
Epilobium ciliatum
Roberts, Fred
1981-6-26
Orange
Santa Ana Mountains, East fork Viejo Cyn., 0.6 km N Calif. Rte. 74; 2.7km E San Juan Guard Station
326
Comment
SD242612
Epilobium ciliatum subsp. ciliatum
Fred Roberts
2011-9-9
7471
San Diego
San Marcos: Universal Boot parcel, along north side of San Marcos Blvd. about 150 meters W jct. South Los Posas Rd. San Marcos USGS 7.5min Quad.
160
Comment
RSA666103
Epilobium pygmaeum
Fred M. Roberts, Michelle Lee
2001-6-4
5487
Orange
Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. (Canada Gobernadora.
226
Comment
UCSB47992
Epipactis gigantea
Roberts, Fred
1980-6-25
Orange
Santa Ana Mtns; San Juan Canyon; below Calif. Rte. 74; 2.4 km ENE San Juan Guard Station; 0.3 km WSW BM 1100
290
Comment
IRVC25613
Epipactis gigantea
Fred M. Roberts, Karen M. Calloway
1987-7-20
3478
Inyo
White Mountains; 8km NE Bishop; Silver Canyon; Silver Canyon Road; 2.4km from Los Positas Road at canyon mouth.
1398
Comment
UCR236672
Eragrostis
Fred M. Roberts, Michelle Balk
2006-8-24
6403
Riverside
Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd.
452
Comment
RSA730989
Eragrostis mexicana subsp. virescens
Fred M. Roberts
2006-11-15
6463
Orange
Santa Ana Cyn., 1.0 km ENE Imperial Hwy bridge, between La Palma Ave. and Santa Ana River near Big Springs St.
89
Comment
UCR236675
Eragrostis pilosa
Fred M. Roberts, Sandra L. Leatherman
2008-9-17
7105
Orange
Peninsular Ranges, Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana River, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river
87
Comment
SEINET5336784
Eremogone kingii var. glabrescens
J. Robertson, Y. Robertson
1979-6-21
s.n.
Mono
Masonic Hills, 6.2 mi. from HW 182 between fork of new and old roads, Toiyabe NF.
2493
Comment
UCR241914
Eriastrum sapphirinum
Fred M. Roberts
2012-5-10
7564
Orange
Peninsular Ranges; Coastal Foothills, San Joaquin Hills, south fork of Buck Gully, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive
183
Comment
RSA0013856
Eriastrum sapphirinum subsp. dasyanthum
Fred M. Roberts
2012-5-10
7564
Orange
San Joaquin Hills: Buck Gully, S Fork, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive.
183
Comment
UCSB48005
Eriastrum sapphirinum subsp. dasyanthum
Roberts, Fred
1980-6-29
Orange
Santa Ana Mtns., Viejo Canyon, 0.4 km. N Calif. Rte. 74; 2.2 km. ENE San Juan Guard Station
341
Comment
RSA0121317
Eriastrum sapphirinum subsp. dasyanthum
Fred M. Roberts, Dave Bontrager
1990-6-5
4677
Orange
Rancho Mission Viejo: Lower Canada Gobernidora, ca. 3.0 km W Point Rancho Survey Marker.
104
Comment
SEINET7846144
Ericameria discoidea
J. Robertson, Y. Robertson
1979-7-20
s.n.
Mono
Star City, NW of buildings
2591
Comment
CHSC13459
Ericameria linearifolia
J. Roberts
1973-4-17
14
San Luis Obispo
Found ca.10 mi s of Hwy. 41, ca. 10 mi e of Cholame.
304
Comment
RSA588848
Ericameria palmeri var. pachylepis
Fred M. Roberts
1989-11-7
4455
Orange
Rancho Mission Viejo: trw Lease holding, ridge N of Talega Canyon, 5.4km NE Clemente Survey Marker.
166
Comment
RSA703702
Ericameria palmeri var. pachylepis
Fred M. Roberts, David E. Bramlet
2004-11-5
6132
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Gato Cyn., tributary to Cristianitos Cyn., 0.62 km NW Gato Gate and 0.55 km W Cristianitos Rd.
125
Comment
UCR239618
Ericameria palmeri var. pachylepis
Fred M. Roberts
2012-4-27
7537
Orange
Lomas de Santiago, Loma Ridge, west of SR 241, tributary to 'Las Flores' Canyon, 1.9 km southwest of Irvine Lake Park Campground and 1.2 km east-souteast of Orange County Emergency Operations Center, Hill 1311
350
Comment
RSA708533
Ericameria parishii var. parishii
Fred M. Roberts, Robert L. Allen, Chris Barnhill
2004-8-21
6106
Orange
Caspers Wilderness Park, Hot Springs Cyn., Hot Springs Trail, c.a. 0.16km WSW San Juan Ranger Station, north of SR 74.
212
Comment
IRVC20221
Ericameria pinifolia
Fred M. Roberts
1982-10-14
829
Orange
Temple Hill, 1.1km NNW Top of the World School, Laguna Beach
259
Comment
SD192266
Erigeron bonariensis
Fred Roberts
2006-7-6
6368
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
UCR258622
Erigeron bonariensis
Fred M. Roberts
2014-7-25
7886
Orange
South Coast, SAN JOAQUIN HILLS: Upper Laguna Canyon, Laguna Lake 1 (Upper Laguna Lake), north basin, c.a. 5.1 kn ENE summit Signal Hill. Laguna Coast Wilderness Park
113
Comment
UCSB48042
Erigeron canadensis
Roberts, Fred
1981-9-26
Orange
Newport Beach: Pacific Coast Highway, 0.3km W Newport Blvd.; 0.4 km. SE Bench Mark 10
3
Comment
SEINET8078629
Erigeron clokeyi
J. H. Robertson, Y. Robertson
1979-7-18
s.n.
Mono
Sweetwater Mtns. Across creek from barren, steep, rocky canyon side, along trail up no. fork of Sweetwater Cr. Site 96.
2774
Comment
UC61525
Erigeron divergens
Geo. Robertson
1903-11-9
109
San Bernardino
Forest Home San Bernardino Mts., Mill Creek, Forest Home, ca. 12 mi E of Redlands
1828
Comment
UCSB48195
Erigeron foliosus
Roberts, Fred
1981-6-26
Orange
Santa Ana Mtns.; Viejo Cyn., 0.5km N Calif. Rte. 74; 2.7km ENE San Juan Guard Station
317
Comment
SD164554
Erigeron foliosus var. foliosus
Fred M. Roberts, Rod Dossey
2005-5-10
6182
San Diego
Miramar Marine Corps Air Station: San Clemente Canyon about 1.3km E SR 805 above the Kinder Morgoan Petroleum Pipeline Station, UTM Z11S 04 84 751mE, 36 04 105mN.
91
Comment
UCR215284
Erigeron foliosus var. foliosus
Fred M. Roberts
2008-5-14
6964
Orange
Lomas de Santiago, Loma Ridge, upper Bee Flat Canyon below Loma Ridge Road, 1.3 km north of Bee Peak and 5.4 km NW of Bolero Lookout. Irvine Ranch Conservancy
337
Comment
UCSB56694
Erigeron utahensis
Roberts, Fred
1982-5-15
San Bernardino
New York Mtns.; Keystone Canyon, 1.0 km. NE Keystone Spring
1804
Comment
RSA550599
Eriodictyon crassifolium
Fred M. Roberts
1989-4-26
4315
Orange
Lomas de Santiago: Lower Santiago Canyon, 10.1 km SW Sierra Peak, ca. 1.3 km NW Irvine Lake spillway.
195
Comment
UCSB47628
Eriodictyon crassifolium
Roberts, Jr., Fred
1980-5-3
Orange
Santa Ana Mtns.; Main Divide Truck Trail, 1.1 km. SE Blue Jay Campground; 2.6 km. WSW El Cariso Guard Station
902
Comment
UCSB57032
Eriodictyon parryi
Roberts, Jr., Fred
1985-7-26
Orange
Santa Ana Mtns.; Main Divide Truck Trail near Los Pinos saddle, 1.5 km. NE Los Pinos Peak, UTM 3725850m N, 457400m E
1257
Comment Read comments Feb 22 2019
UCD119315
Eriodictyon traskiae subsp. smithii
Warren Roberts; Dick Hildreth, Karl Raven
1973-9-21
SBC 73 -45
Santa Barbara
Collected 2.5 mi. from Kenevan Canon turnoff from San Marcos pass hwy on W. Camino Cielo Rd.
Comment
SEINET5328579
Eriogonum caespitosum
J. Robertson, Y. Robertson
1979-6-20
s.n.
Mono
Masonic Hills, 5.9 mi. from HW 182 ;2.4 mi. from NF boundary. Site 38
2499
Comment
RSA450871
Eriogonum cinereum
Fred M. Roberts
1985-7-22
2058
Orange
Irvine: MacArthur Blvd., 0.2km N Bonita Canyon Rd.; 1.6 km W UC Irvine campus.
15
Comment
UCSB56682
Eriogonum cinereum
Roberts, Fred
1985-7-22
Orange
Irvine: MacArthur Blvd., 0.2km N Bonita Canyon Rd.; 1.6km W UC Irvine campus
15
Comment Read comments Feb 22 2019
UCSB52439
Eriogonum davidsonii
Roberts, Fred
1982-5-15
San Bernardino
Midhills: 0.1km WNW Midhills Campground
1837
Comment
RSA716727
Eriogonum elongatum
Fred M. Roberts
2004-8-21
6101
Orange
Santa Ana Mtns.: Hot Springs Cyn., Hot Springs Cyn. Rd., c.a. 0.8km by road N. jct. SR 74; 0.7 km NNW Juan Rancho Survey Mark.
255
Comment
UCSB48016
Eriogonum elongatum
Roberts, Fred
1980-9-14
Orange
Santa Ana Mtns: San Juan Cyn, 2.5km ENE San Juan Guard Station; 2.1km WSW Lower San Juan Picnic Ground
345
Comment
SD262694
Eriogonum elongatum var. elongatum
Jim Roberts
2013-7-30
43
San Diego
City of San Diego; Tecolote Canyon Natural Park; near 0.31 mi NW of intersection Balboa Ave and Clairemont Drive; 10m north of tributary channel that cuts across the road
64
Comment
UCR239655
Eriogonum elongatum var. elongatum
Fred M. Roberts
2012-4-27
7542
Orange
Lomas de Santiago, Loma Ridge, west of SR 241, tributary to 'Las Flores' Canyon, near East Loma Ridge Road, 1.6 km southwest Irvine Lake Park Campground and 1.2 km east-southeast of Orange County Emergency Operations Center, Hill 1311
308
Comment
IRVC28327
Eriogonum fasciculatum
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5711
San Diego
Otay Mountain, south side near crest of ridge east of lower "Butteweg Canyon" along the border trail, Tijuana River watershed Peninsular Range, San Ysidro Mountains
305
Comment
UCR128527
Eriogonum fasciculatum var. fasciculatum
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5711
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed
305
Comment
UCSB48025
Eriogonum fasciculatum var. foliolosum
Roberts, Fred
1980-7-7
Orange
Santa Ana Mtns; San Juan Canyon, Calif. Rte. 74, 2.2km ENE San Juan Guard Station; 0.6km W BM 1100
305
Comment
UCSB48007
Eriogonum gracile
Roberts, Fred
1980-6-29
Orange
Santa Ana Mtns; Viejo Canyon; 0.4km N Calif. Rte 74; 2.2km ENE San Juan Guard Station
341
Comment
UCSB52907
Eriogonum gracile
Roberts, Fred
1984-8-14
Orange
Chiquito Basin Trail; ridge between Chiquito Basin and Lion Canyon; 2.6km SSE Los Pinos Peak; 1.3km SSW Blue Jay Camp ground; Santa Ana Mtns
885
Comment
UCSB56685
Eriogonum gracile
Roberts, Fred
1982-9-20
Orange
Santa Ana Mts; Chiquito Basin, San Juan Trail; 2.2km SW Blue Jay Campground; 3.0km S Los Pinos Peak
905
Comment
UCSB34453
Eriogonum gracillimum
Roberts, Fred
1980-5-25
Kern
Along Highway 14 on the south end of Red Rock Canyon; Red Rock Canyon Reserve; 27.4 km SSW of Freeman
838
Comment
RSA650676
Eriogonum inflatum
Jeni L. Roberts
1991-5-5
28
San Bernardino
Within Victorville City Limits. 2.5 miles N/W of I-15 on National Trails Highway.
Comment
UCSB53687
Eriogonum inflatum
Roberts, Dar
1983-7-23
Mono
1 mile S of Rocked-in-Spring on east side of slough; Fish Slough: a desert wetland system 4.5 mi. north of Bishop; at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis
1341
Comment
UCSB52432
Eriogonum inflatum
Roberts, Fred
1982-5-14
San Bernardino
Providence Mtns; Vulcan Mine Road; 5.1km by road SE Kelbaker Road
1099
Comment
UCSB53036
Eriogonum maculatum
Roberts, Dar
1983-7-23
Mono
1 mile S of Rocked-in-Spring on east side of slough; Fish Slough: a desert wetland system 4.5 mi. north of Bishop; at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis
1341
Comment
UCSB54284
Eriogonum maculatum
Roberts, Dar
1984-4-28
Mono
E of BLM Spring; 2.5 miles S of Rocked-in-Spring; Fish Slough: a desert wetland system 4.5 mi. north of Bishop; at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis
1341
Comment
RSA665943
Eriogonum microtheca var. johnstonii
Fred M. Roberts
2001-7-31
5517
San Bernardino
San Bernardino Mountains; Ridge at head of Little Morongo Canyon on north slope of unnamed peak (listed as 8620 on), 4.3 km SE Onyx Peak near end of Forest Service Road 1N02.2C.
2570
Comment
UCR123321
Eriogonum microthecum var. johnstonii
Fred M. Roberts
2001-7-31
5516
San Bernardino
San Bernardino Mtns., Head of Little Morongo Canyon on N slope of unnamed peak, 4.3 km SE of Onyx Peak near end of Forest Service Road 1N02.2C
2570
Comment
UCR123323
Eriogonum microthecum var. johnstonii
Fred M. Roberts
2001-7-31
5517
San Bernardino
San Bernardino Mtns., Head of Little Morongo Canyon on N slope of unnamed peak, 4.3 km SE of Onyx Peak near end of Forest Service Road 1N02.2C
2570
Comment
SEINET5330779
Eriogonum microthecum var. laxiflorum
J. Robertson
1979-7-19
s.n.
Mono
Bench near salt ground at road fork.
2347
Comment
RSA539352
Eriogonum nudum var. pauciflorum
Fred M. Roberts, Richard E. Riefner
1988-7-9
4118
Orange
Santa Ana Mountains: Upper Silverado Canyon, Maple Springs Truck Trail, 11.5 km above Silverado Gate, 1.1 km NNW Modjeska Peak.
1350
Comment
SEINET5331029
Eriogonum ovalifolium var. nivale
J. Robertson
1979-7-19
s.n.
Mono
3048
Comment
UCSB52434
Eriogonum thomasii
Roberts, Fred
1982-5-14
San Bernardino
Hwy 66; 17.2km by road E Newberry; 13.8km WNW Pisgah Crater; Mojave Desert
607
Comment
CAS-BOT-BC265156
Eriogonum umbellatum var. nevadense
A. Roberts
1898-8-1
s.n.
Placer
Summit Soda Springs, Donner Cr.
Comment
NY399280
Eriogonum umbellatum var. nevadense
J. H. Robertson
1975-7-17
NS 18 -75
Mono
4 miles above California Route 167 on Bodie road
2158.0
Comment
SEINET5331915
Eriogonum umbellatum var. nevadense
J. Robertson, Y. Robertson
1979-6-20
s.n.
Mono
Toiyabe NF, 2.4 mi. from NF boundary.
2499
Comment
RSA488128
Eriogonum wrightii var. membranaceum
Fred M. Roberts, M. J. Roberts
1985-8-8
2117
San Diego
Laguna Mountains: Sunrise Hwy, S-1, 10.8km by road NW Mt. Laguna
1630
Comment
CAS-BOT-BC304081
Eriophyllum confertiflorum
Robert Robertson
1954-5-1
109
San Mateo
2 miles E of Pescadero
30
Comment
IRVC28453
Eriophyllum confertiflorum
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5726
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
IRVC28480
Eriophyllum confertiflorum
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5802
San Diego
Otay Mtn; head of cyn 2 miles NW of Otay Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
470
Comment
RSA0013910
Eriophyllum confertiflorum
Fred M. Roberts
2012-4-24
7523
Orange
San Joaquin Hills: Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak
167
Comment
UCR241905
Eriophyllum confertiflorum
Fred M. Roberts
2012-4-24
7523
Orange
Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak
167
Comment
SD233966
Eriophyllum confertiflorum var. confertiflorum
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5802
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca 0.4 mi. WSW of peak 22242.
470
Comment
SEINET8687301
Eriophyllum lanatum var. integrifolium
J. H. Robertson, Y. Robertson
1979-7-20
s.n.
Mono
Rockfield NW of buildings. Star City. Site 106.
2591
Comment
SD164454
Erodium brachycarpum
Fred M. Roberts
2001-4-9
5415
San Diego
Jamul Mtns.: SW slopes, NE of Upper Otay Lake, 5.4 km SE summit Mother Miguel Mtn. Otay Lakes North MSCP parcel. Knoll along ridge on gentle SW-facing slope in rocky, open coastal sage scrub and annual grassland
309
Comment
RSA610240
Erodium brachycarpum
Fred M. Roberts
1997-3-13
4983
Orange
Rancho Mission Viejo: Christianitos Canyon, 4 km ESE Viejo Survey Mark.
5
Comment
RSA687523
Erodium cicutarium
Fred M. Roberts, D. E. Bramlet
2003-3-27
5622
Orange
Rancho Mission Viejo: Donna O Neill Land Conservancy, Chistianitos Cyn., 0.79km N Sycamore Gate, 0.23km W Chistianitos Rd.
122
Comment
RSA743496
Erodium cicutarium
Fred M. Roberts
2008-3-19
6781
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor.
45
Comment
RSA684304
Erodium moschatum
Fred M. Roberts, David E. Bramlet
2003-3-13
5602
Orange
Donna O Neill Land Conservancy: Flagpole Meadow, upper Shady Cyn. W of Cristianitos Canyon, 1,500m NW Sycamore Gate and 1,220m W Cristianitos Rd.
173
Comment
UCSB47792
Erysimum capitatum var. lompocense
Roberts, Dar
1983-2-20
Santa Barbara
La Purisima Mission State Historic Park; 2 km. NE of Lompoc City Limit; at junction of service roads west of the ranger's residences (southwest end of the loop road)
Comment
UCSB39687
Erysimum suffrutescens
Roberts, Fred
1982-1-16
Santa Barbara
Point Sal State Beach; on ridge east of fire break
304
Comment
IRVC28131
Eschscholzia californica
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5764
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
SD185796
Eschscholzia californica
Laurie Roberts, Lane McClelland
2006-5-29
16
San Diego
Descanso. NW base of Guatay peak, along Old Highway 80, just NE of its intersection with SR- 79.
1098
Comment
SD233895
Eschscholzia californica
Fred M. Roberts, M. White, D. Flietner
2003-5-4
5764
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242.
427
Comment
SD234970
Eschscholzia californica
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5714
San Diego
Peninsular Range, San Ysidro Mountains: Otay Mountain, south side near crest of ridge east of lower Butteweg Canyon along the border trail, Tijuana River watershed (Otay Mountain 7.5' Q)
305
Comment
UCR128529
Eschscholzia californica
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5714
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed
305
Comment
UCR267212
Eschscholzia californica
Fred M. Roberts, Lee Ann Caranza
2009-4-7
7139
Orange
South Coastal Region, DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor
65
Comment
IRVC29095
Eschscholzia californica var. peninsularis
Fred M. Roberts
1989-3-17
4210
Orange
Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park
30
Comment
RSA548864
Eschscholzia californica var. peninsularis
Fred M. Roberts, Carol A. Roberts
1988-6-2
4032
Orange
Santa Ana Mtns: Silverado Canyon, Maple Springs Truck Trail, 4.3km above gate. 1.0 km WSW Bald Peak.
817
Comment
RSA0010840
Eucalyptus camaldulensis
Fred M. Roberts, Sandy Leatherman
2007-11-27
6673
Orange
Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge.
113
Comment
RSA0012602
Eucalyptus globulus
Fred M. Roberts, Karlin G. Marsh
1988-4-25
3928
Orange
San Joaquin Hills: Irvine coast, ca 1.3 km SW Pelican Hill.
43
Comment
IRVC28048
Eucrypta chrysanthemifolia
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5748
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
RSA683068
Eucrypta chrysanthemifolia var. chrysanthemifolia
Fred M. Roberts
2003-3-19
5603
Orange
Donna O Neill Land Conservancy: Ridges west of Cristianitos Cyn., 1,750m NNW Sycamore gate and 315m W Cristianitos Rd. (Canada Gobernadora)
192
Comment
JEPS22971
Euonymus occidentalis var. occidentalis
Harry K. Roberts
1959-5-18
Sonoma
n.w. Sebastopol (Louis Giovanni ranch, first canyon s. of ranch house); Green Valley, Louis Giovanni ranch
Comment
IRVC25150
Euphorbia albomarginata
Fred M. Roberts
1986-9-3
3134
Orange
adjacent to Anaheim, between Yorba Linda Regional Park and Imperial Hwy, Santa Ana River
88
Comment
RSA704429
Euphorbia albomarginata
Fred M. Roberts, David E. Bramlet
2004-7-30
6086
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn. along Cristianitos Ck., 1.1 km SSW Gato Gate and 0.32km W Cristianitos Road.
73
Comment
RSA788900
Euphorbia albomarginata
Fred M. Roberts
2008-6-12
7040
Orange
Lomas de Santiago: Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd.
251
Comment
UCR266667
Euphorbia eriantha
Fred M. Roberts
2014-10-26
7902
San Bernardino
Sonoran Desert, CHEMEHUEVI VALLEY: tributary to Gary Wash at west base of hill with VABM Huevis, 0.2 km E SR 95 and 4.5 km NW Pyramid Butte
387
Comment
IRVC25153
Euphorbia maculata
Fred M. Roberts
1986-9-3
3133
Orange
adjacent to Anaheim, between Yorba Linda Regional Park and Imperial Hwy, Santa Ana River
88
Comment
SD192510
Euphorbia maculata
Fred Roberts
2006-7-6
6381
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
SD193773
Euphorbia maculata
Fred Roberts, Carol A. Roberts
2006-10-15
6437
San Diego
Miramar Marine Corps Air Station: Rose Cyn., along west side of Schilt Rd. between Miramar Way and the Flightline.
135
Comment
SD196475
Euphorbia maculata
Fred Roberts
2007-6-7
6522
San Diego
Rancho Santa Fe: Osuna Valley, north side of Calzada del Bosque Rd., 0.2 km E jct. with Via de la Valle Rd. and 1.7 km SSW Rancho Santa Fe towncenter.
10
Comment
SD262451
Euphorbia melanadenia
Jim Roberts, T. Chester, A. Ballway, N. Accola
2015-3-8
87
San Diego
Anza-Borrego Desert State Park; Ranchita area; 2.70 miles SE of junction Wilson Road and S-22; several hundred meters off of Wilson trail in Culp Valley; 1.62 miles N of Grapevine Canyon
1155
Comment
RSA719422
Euphorbia misera
Fred M. Roberts, Lee Ann Caranza
2006-10-25
6455
Orange
Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch.
58
Comment
UCSB52452
Euphorbia misera
Roberts, Fred
1983-3-10
Orange
Dana Point Headlands: south of Scenic Dr., 0.3 km. W Dana Point Harbor; 0.8 km. S Richard Henry Dana School
60
Comment
RSA716774
Euphorbia peplus
Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill
2004-6-19
6065
Orange
Santa Ana Mtns: Holy Jim Cyn.: Holy Jim Trail, 3.5km SE summit of Santiago Peak.
610
Comment
RSA731929
Euphorbia peplus
Fred M. Roberts, Sandy Leatherman
2007-11-27
6681
Orange
Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd.
118
Comment
SD196485
Euphorbia peplus
Fred Roberts
2007-6-7
6518
San Diego
Rancho Santa Fe: Osuna Valley, east side of Via de la Valle Rd., 0.1 km N jct. Calzada del Bosque Rd. and 1.6 km SSW Rancho Santa Fe town center.
11
Comment
RSA0126620
Euphorbia polycarpa var. polycarpa
Fred M. Roberts
2012-4-24
7514
Orange
San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak.
179
Comment
SD240223
Euphorbia rigida
Jim Roberts
2014-1-31
49
San Diego
City of San Diego; Tecolote Canyon Natural Park; about 0.25 mi NE Gardena Street entrance, near end of a steep drainage running S from September Street
35
Comment
RSA0020540
Euphorbia serpens
Fred M. Roberts
2007-8-6
6559
Orange
San Joaquin Hills: Laguna Beach, Laguna Cyn. on east side of Laguna Cyn. Rd. adj. to dog park, 1.2 km S (air) from El Toro Road and 1.8 km WSW Moulton Survey Mk.
52
Comment
IRVC28460
Euphorbia spathulata
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5755
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
SD233820
Euphorbia spathulata
Fred M Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5755
San Diego
Peninsular Range, San Ysidro Mountains: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River watershed (Otay Mtn 7.5' Q).
167
Comment
SD242581
Euphorbia terracina
Fred Roberts
2009-9-29
7164
San Diego
San Diego: Upper Deer Canyon drainage between Carmel Mtn. Road and Abling Ave., c.a. 100 meters N of SR56. UTM 04 86 386mE, 36 46 398mN.
121
Comment
UCR246512
Euphorbia terracina
Fred M. Roberts
2009-9-29
7164
San Diego
Upper Deer Canyon drainage between Carmel Mountain Road and Abing Avenue, c. 100 m north of SR56 and 4.0 km southwest of the summit of Black Mountain. Square M9
122
Comment Read comments May 28 2014
UCSB52990
Euthamia occidentalis
Roberts, Jr., Fred
1983-9-29
Orange
Irvine; San Joaquin Freshwater Marsh, 1.9 km. NNW UCI campus center
2
Comment Read comments Dec 12 2018
UCSB36164
Festuca bromoides
Roberts, D.
1980-4-25
San Luis Obispo
2 miles East along Cuesta Ridge Rd to meadow
610
Comment
UCSB48110
Festuca bromoides
Roberts, Fred
1981-4-12
Santa Barbara
San Juan Canyon; Hwy 74; 1.3km by road E San Juan Guard Sta; 0.9km SE Juan Rancho Survey Mark; Santa Ana Mountains
295
Comment
UCSB36170
Festuca microstachys
Roberts, Dar
1980-4-12
Santa Barbara
De la Guerra Springs appx .7 miles from main road
760?
Comment
UCR223964
Festuca myuros
Fred M. Roberts
2008-4-9
6854
Orange
South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Outlook 2, 0.7 km west of Marine Institute, Dana Point Harbor
52
Comment
UCSB40754
Festuca myuros
Roberts, Dar
1981-3-25
Santa Barbara
2.0 km. SSE of Coches Point; Santa Cruz Island
243
Comment
UCSB52459
Festuca myuros
Roberts, Fred
1983-3-10
Orange
Dana Point Headlands; cliff above Dana Point Harbor; south of old Cove Rd.; 0.8km S Richard Henry Dana School
60
Comment
UCSB36173
Festuca myuros
Roberts, D.
1980-4-25
Santa Barbara
4 1/2 miles N Vandenberg Connector Rd; Calif 1 junct. top of Harris Grade
274
Comment
RSA0073644
Festuca octoflora var. octoflora
Fred M. Roberts, Lee Ann Caranza, Eliza Maher
2009-4-7
7145
Orange
South Coast Region: DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor.
50
Comment
UCR267214
Festuca octoflora var. octoflora
Fred M. Roberts, Lee Ann Caranza & Eliza Maher
2009-4-7
7145
Orange
South Coast Region, DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor
50
Comment
UCR239640
Festuca pratensis
Fred M. Roberts
2012-5-9
7559
Orange
Santa Ana Mountains, Lake Forest, along Serrano Creek hiking trail, 1.0 m south-southwest of intersection of Commercentre and Dimension Drives
171
Comment
RSA716499
Ficus carica
Fred M. Roberts, Amber Oneal
2004-8-18
6098
Orange
San Juan Capistrno: Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano.
54
Comment
RSA725507
Ficus carica
Fred M. Roberts
2007-9-11
6568
Orange
Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center.
83
Comment
RSA0013949
Filago arizonica
Fred M. Roberts
2008-4-24
6928
Orange
Lomas de Santiago: Loma Ridge, lower Hicks Cyn. 350 meters east of Haul Rd., 1.9 km E Rattlesnake Cyn. Reservoir dam and 2.1 km W Bee Peak. Irvine Ranch Conservancy.
180
Comment
IRVC22037
Filago californica
Fred M. Roberts
1983-5-4
1028
Orange
Temple Hill, Upper Rancho Laguna Canyon, 1.7km SSW Top of the World Sch.; 1.4km ENE Cactus Point, Laguna Beach
200
Comment
RSA552943
Filago californica
Fred M. Roberts, Carol A. Roberts
1989-4-20
4300
Orange
Santa Ana Mtns: Upper Lion Canyon along San Juan Trail just south of Blue Jay Campground, 2.5km SE Los Pinos Peak.
980
Comment
RSA743373
Filago californica
Fred M. Roberts
2008-4-9
6853
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor).
52
Comment
RSA588652
Filago californica
Fred M. Roberts, Carol A. Roberts
1990-5-23
4657
Orange
Santa Ana Mts.: West Fork, Upper Long Canyon, Main Divide Truck Trail, 4.3 km SE Los Pinos Peak.
753
Comment
UCR128406
Filago gallica
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5722
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
UCR128422
Filago gallica
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5792
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
470
Comment
RSA542430
Filago gallica
Fred M. Roberts, K. Keane
1988-5-25
3978
Orange
Rancho Mission Veijo: Lower Canada Chiquita, 2.5 kilometers SSE Medium Rancho Survey Marker.
85
Comment
RSA542431
Filago gallica
Fred M. Roberts, Gordon Marsh, Karlin G. Marsh
1988-4-26
3938
Orange
San Joaquin Hills: Pelican Hill, 0.5 kim SE Summit.
165
Comment
SD192199
Foeniculum vulgare
Fred Roberts
2006-7-6
6365
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
UCSB48223
Foeniculum vulgare
Roberts, Fred
1981-6-22
Orange
Rancho Mission Viejo; Calif. Rte. 74, 5.2 km. ENE San Juan Capistrano by road
100
Comment
IRVC22882
Frankenia salina
Fred M. Roberts
1985-6-12
1891
Orange
Laguna Niguel: Alicia Pkwy, 2.1km by road SW La Paz Rd., 1.0km W Sulphur Creek Reservoir. Southern Coastal
67
Comment
IRVC24106
Frankenia salina
Fred M. Roberts
1985-9-6
2220
Orange
Laguna Beach; Sycamore Hills along Laguna Cyn Rd; N of jct with El Toro Road. Southern Coastal
75
Comment
RSA539403
Frankenia salina
Fred M. Roberts Jr., Karen Swirsky
1988-6-28
4106
Orange
Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School.
24
Comment
RSA725530
Fraxinus uhdei
Fred M. Roberts
2007-9-11
6574
Orange
Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center.
83
Comment
UCR220094
Fritillaria agrestis
Fred M. Roberts, Carol A. Roberts
2009-5-2
6936
Ventura
Transverse Ranges, Wagon Wheel Canyon, along Lockwood Valley Road, c. 6.3 km west of Mutau Flat Road
1493
Comment
RSA749488
Fritillaria biflora
Fred M. Roberts, Linda Farley
2008-3-28
6822
Orange
Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robbers Peak, Irvine Land Conservancy.
457
Comment
RSA773508
Fritillaria biflora
Fred M. Roberts
1999-4-26
5202
Orange
Lomas de Santiago: ridge between Santiago Creek wash and Limestone Canyon, 3.8 km W Bee Peak and 1.7 km SSE Silverado School
409
Comment
UCR209378
Fritillaria biflora
Fred M. Roberts, Linda Farley
2008-3-28
6822
Orange
Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, east fork along ridge just west of SR 241, 3.4 km east of Robber's Peak
457
Comment
UCSB36139
Fritillaria biflora
Roberts, Dar
1980-3-7
San Luis Obispo
1.1 miles N. S.L.O. Cal Poly campus on slope above rd., Polly Canyon
130
Comment
RSA773511
Fumaria capreolata
Fred M. Roberts, Ian Cain
2010-5-3
7297
Los Angeles
Los Angeles Basin Region: Whittier Narrows Dam Recreation Area, Hondo Crek, ca. 0.8 km WSW western shore of Legg Lake and about 0.5 km upstream from San Gabriel Blvd. bridge
61
Comment
UCR281017
Funastrum cynanchoides var. hartwegii
Fred M. Roberts
2016-3-5
7989
Riverside
Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602"
116
Comment
RSA0013915
Galium angustifolium
Fred M. Roberts
2012-5-10
7579
Orange
San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit.
154
Comment
RSA679222
Galium angustifolium
Fred M. Roberts
2003-6-25
5949
Orange
Santa Ana Mountains: Mojeska Peak in Upper Cold Springs Cyn., north of Main divide Truck Trail, 0.4 km ESE summit.
1471
Comment Read comments Jan 12 2007
RSA747595
Galium angustifolium var. angustifolium
Fred M. Roberts
2000-5-19
5328
Orange
Lomas de Santiago: Loma Ridge, ridge west of Bee Peak above Bee Cyn. landfill, 0.2 km W Bee Peak.
500
Comment
UCSB47621
Galium aparine
Roberts, Fred
1980-4-3
Orange
Dana Point: hills, 1.0km NE Dana Hills High School
75
Comment Read comments Oct 28 2018
SEINET11762758
Galium hypotrichium
J. Robertson, Y. Robertson
1979-7-20
s.n.
Mono
Rockfield NW of buildings. Site 106. Star City
2591
Comment
SEINET11762765
Galium hypotrichium
J. Robertson, Y. Robertson
1979-7-19
s.n.
Mono
Silverado Canyon, up mine road, not maintained. Site 100.
2957
Comment
SD235017
Galium nuttallii
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5737
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana river watershed.
167
Comment
UCR128379
Galium nuttallii
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5737
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
RSA587868
Galium nuttallii
Fred M. Roberts Jr., Carol A. Roberts
1990-5-16
4632
Orange
Small canyon along southeast side of Irvine Mesa, 3.5 km N Bolero Lookout.
396
Comment
RSA704936
Galium nuttallii subsp. nuttallii
Fred M. Roberts, David E. Bramlet
2004-4-21
6036
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Shady Canyon, tributary to Cristianitos Cyn., 0.65 km NW Sycamore Gate, 0.70 km W of Cristianitos Road.
148
Comment
UCR215296
Galium parisiense
Fred M. Roberts
2008-5-20
7133
Orange
Lomas de Santiago, Loma Ridge, upper Limestone Canyon, 0.8 km NW of Bolero Spring and 3.1 km WNW of Bolero Lookout. Irvine Ranch Conservancy
467
Comment
SD164422
Galium porrigens var. porrigens
Fred M. Roberts
2001-5-23
5473
San Diego
San Ysidro Mtns.: Otay Lakes S MSCP parcel southeast of Lower Otay Lake, 0.7 km east-northeast Lower Otay Campground. On ridge with west-facing slope on clay loam soil in open, grassy coastal sage scrub (IPB 9/06)
182
Comment
SBBG68942
Galium wrightii
G. Robertson
-Aug-1903
957
Unknown
San Padro Martir Mtn
1828
Comment
IRVC24227
Garrya flavescens
Fred M. Roberts, Gordon A. Marsh, Karlin G. Marsh
1985-10-1
2287
Orange
Santa Ana Mountains; Silverado Canyon, Silverado Truck Trail, 1.5km NW Shrewsbury Spring. Peninsular Ranges
766
Comment
IRVC24957
Garrya flavescens var. pallida
Fred M. Roberts, Gordon A. Marsh
1986-6-6
2931
Orange
Santa Ana Mountains; ridge S of Mabey Canyon, just N of Skyline Dr. near Orange County line; 2.7km SE Sierra Peak. Peninsular Ranges
820
Comment
SJSU1766
Garrya fremontii
F. D. Robertson
1956-3-4
Santa Clara
Loma Prieta Rd, Santa Cruz Mts
762
Comment
RSA688864
Gastridium phleoides
Fred M. Roberts, David E. Bramlet
2003-4-10
5643
Orange
Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate.
216
Comment
UCSB36121
Gastridium phleoides
Roberts, D.
1980-6-7
Santa Barbara
150 yds N of 19 Oaks Campground; Los Padres National Forest
610
Comment
UCR209335
Gayophytum diffusum
Fred M. Roberts, Robt. L. Allen
2008-6-23
7054
Riverside
Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit
1639
Comment
RSA0014065
Gazania linearis
Fred M. Roberts
2008-5-30
7014
Orange
Lomas de Santiago: Santiago Creek wash, 0.6 km SSE Silverado Sch., Irvine Ranch Conservancy.
314
Comment
RSA718969
Gazania linearis
Fred M. Roberts, Robert L. Allen
2006-10-8
6411
Orange
San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch.
4
Comment
UCR217671
Gazania linearis
Fred M. Roberts
2008-5-30
7014
Orange
South Coast, Lomas de Santiago, Santiago Creek wash, 0.6 km south southeast of Silverado School, Irvine Ranch Conservancy
314
Comment
UCR242702
Gazania linearis
Fred M. Roberts
2012-5-10
7580
Orange
SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit
154
Comment
SD143250
Geranium carolinianum
Fred M. Roberts
1997-4-11
4999
San Diego
Carlsbad: Upper Encinitas Creek watershed east of Rancho Santa Fe Rd., Fieldstone Southeast, c.a. 5.7km SW Double Peak
88
Comment
RSA610228
Gilia angelensis
Fred M. Roberts, Annie Hoecker, Tony Bomkamp
1997-3-29
4989
Orange
Rancho Mission Viejo: Canada Gobernadora, east slope, 1.7 km SW Cliff Survey Mark, 1.7 km N Calif. Rte. 74.
122
Comment
UCR219853
Gilia angelensis
Fred M. Roberts
1999-4-26
5199
Orange
Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, tributary to Santiago Canyon Wash on ridge between Limestone Cyn and the wash, 1.4 km SE Silverado School, 2.7 km north Bolero Lookout
358
Comment
RSA696142
Gilia capitata
Fred M. Roberts, Andy Pinolo, Kam Muri
2003-5-3
5708
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side near crest of ridge east of lower Butteweg Canyon along the border trail, Tijuana River watershed.
305
Comment
RSA749309
Gilia capitata subsp. abrotanifolia
Fred M. Roberts
1999-4-22
5195
Orange
Lomas de Santiago: ridges between Limestone Cyn. and Santiago Creek wash opposite mouth Williams Cyn., 2.0 km SE Silverado Sch. and 2.2 km NNW Bolero Lookout.
400
Comment
RSA548866
Gilia capitata subsp. abrotanifolia
Fred M. Roberts, Carol A. Roberts
1988-6-2
4029
Orange
Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak.
817
Comment
RSA650677
Gilia latiflora subsp. davyi
Jeni L. Roberts
1991-5-10
31
San Bernardino
Within Apple Valley City Limits. 2.5 miles N/E of I15 on Highway 18.
Comment
RSA716722
Githopsis diffusa
Fred M. Roberts, Robert Allen, Chris Barnhill
2003-4-26
5660
Riverside
Upper San Juan Canyon, along San Juan Loop Trail, 0.8 km NNW Upper San Juan Campground.
520
Comment
RSA588713
Githopsis diffusa subsp. candida
Fred M. Roberts
1990-5-22
4637
Orange
Santa Ana Mountains; Upper Hot Springs canyon, just west of Falcon Group Camp, 1.9km ESE Los Pinos Peak.
994
Comment
IRVC28481
Gnaphalium bicolor
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5801
San Diego
Otay Mtn; head of cyn 2 miles NW of Otay Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
470
Comment
IRVC28472
Gnaphalium californicum
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5812
San Diego
Otay Mtn; head of cyn 2 miles NW of Otay Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
470
Comment
RSA588723
Gnaphalium californicum
Fred M. Roberts
1990-5-7
4607
Orange
Rancho Mission Viejo: Ridge S of Blind Canyon and E of Christianitos Canyon, TRW Lease Holding, 5.0 km NE Clemente Survey Marker
152
Comment
UCR128864
Gnaphalium californicum
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5812
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
470
Comment
UCR209658
Gnaphalium californicum
Fred M. Roberts
2008-5-16
6986
Orange
South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve north of Marguerita Drive, 0.5 km west-northwest of the Marine Institute, Dana Point Harbor
75
Comment
RSA688869
Gnaphalium californicum
Fred M. Roberts
2003-5-1
5671
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.49km S Gato Gate and just west of Cristianitos Rd. (San Clemente)
84
Comment
RSA688984
Gnaphalium canescens subsp. microcephalum
Fred M. Roberts, David E. Bramlet
2003-4-10
5642
Orange
Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate.
216
Comment
RSA704430
Gnaphalium leucocephalum
Fred M. Roberts, David E. Bramlet
2004-7-30
6087
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn. along Cristianitos Ck., 1.1 km SSW Gato Gate and 0.32km W Cristianitos Road.
73
Comment
UCR126410
Gnaphalium leucocephalum
Fred M. Roberts
2003-7-24
5963
Orange
South Coast, San Juan Capistrano, San Juan Creek, c. 0.1 km NE of La Novia Bridge
27
Comment Read comments Jun 4 2013
RSA701689
Gnaphalium luteoalbum
Fred M. Roberts, David E. Bramlet
2003-6-6
5899
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road.
149
Comment
RSA718964
Gnaphalium luteoalbum
Fred M. Roberts, Robert L. Allen
2006-10-8
6416
Orange
San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch.
4
Comment
RSA731658
Gnaphalium luteoalbum
Fred M. Roberts
2007-10-29
6621
Orange
Niguel Hill: Laguna Niguel, Seaview Park, 1.3 km ENE Aliso Peak.
265
Comment
RSA666098
Gnaphalium palustre
Fred M. Roberts, Michelle Lee
2001-6-4
5482
Orange
Rancho Mission Viejo: Chiquita Ridge, 0.2km WNW Median Rancho Survey Marker. PCR Vernal Pool 4.
218
Comment
RSA666100
Gnaphalium palustre
Fred M. Roberts, Michelle Lee
2001-6-4
5484
Orange
Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. (Canada Gobernadora.
226
Comment
RSA650681
Grayia spinosa
Jeni L. Roberts, Christine Koller
1991-4-19
11
San Bernardino
Within Victorville City Limits. On National Trails Highway, 2.5 miles north of I 15.
Comment
RSA0012753
Grindelia camporum
Fred M. Roberts
2012-5-10
7578
Orange
San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit.
154
Comment
SD245630
Grindelia camporum
Jim Roberts, Abbyann Sisk
2013-6-20
25
San Diego
City of San Diego; Tecolote Canyon Natural Park; Acworth Ave. entrance; plants are approximately 200m south of the entrance on the west side of the trail 15m north of a large Quercus agrifolia
74
Comment
UCR233742
Grindelia camporum var. bracteosa
Fred M. Roberts
2008-6-26
7059
Orange
Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge along West Loma Ridge Road, c. 1 km north of Haul Road, 2.5 km NNW of Bee Peak, Irvine Ranch Land Conservancy
382
Comment
CAS-BOT-BC304511
Grindelia hirsutula
Robert Robertson
1954-4-14
77
San Mateo
N.W. of Palo Alto Yacht Club
3
Comment
RSA701808
Gutierrezia sarothrae
Fred M. Roberts
2000-6-8
5339
Orange
Chino Hills: Yorba Linda, on ridge between Box and Lost Trough Canyons, c.a. 1.2km NE Bench Mark 388
266
Comment
SEINET12615185
Hackelia floribunda
J. Robertson, Y. Robertson
1979-7-18
s.n.
Mono
North Fork Sweetwater Creek.
2804
Comment
RSA0066587
Harpagonella palmeri
Fred M. Roberts, David Bramlet
2003-5-1
5691
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.21 km W of Cristianitos Rd.
111
Comment
SD143268
Harpagonella palmeri
Fred M. Roberts
1997-4-11
5003
San Diego
Carlsbad, upper Encinitas Creek watershed east of Rancho Santa Fe Rd., Fieldstone Southease ca 5.7 km southwest of Double Peak
88
Comment
SD148663
Harpagonella palmeri
Fred M. Roberts
2001-4-6
5392
San Diego
La Zanja Canyon, 1.2 km southwest Doug Survey Marker north of Carmel Valley Road.
121
Comment
SD148665
Harpagonella palmeri
Fred M. Roberts
2001-4-27
5446
San Diego
Ridge above Lusardi Creek below La Jolla Valley, ca. 2.1 km eastsoutheast confluence with San Dieguito River.
78
Comment
SD148666
Harpagonella palmeri
Fred M. Roberts
2001-3-16
5380
San Diego
Sorrento Valley, ca. 0.7 km northwest Scripps Memorial Hospital at edge of business park east of Science Center Dr. and north of Genesee northwest of Genesee/I-5 interchange.
91
Comment
SD164524
Harpagonella palmeri
Fred M. Roberts
2001-4-19
5436
San Diego
Lusardi Creek MSCP parcel: Mesas north of Lusardi Creek, 1.2 km NE Low South Survey Marker. E-facing slope on a rocky clay lens dominated by native grassland and surrounded by coastal sage scrub.
91
Comment
SD220261
Harpagonella palmeri
Fred Roberts
2009-3-19
6788
San Diego
Oceanside: Loma Alta Mtn., near end of Wooster Dr. and 0.1 km N Joseph Sepulveda Park [San Luis Rey Quad: UTM 11S 04 72 312mE 36 73 446mN].
95
Comment
RSA0066583
Harpagonella palmeri
Fred M. Roberts, Tony Bomkamp
1997-3-13
4981
Orange
Rancho Mission Viejo: Christianitos Canyon, 4km ESE Viejo Survey Mark.
155
Comment
RSA0066585
Harpagonella palmeri
Fred M. Roberts
1993-4-23
4855
Orange
Mission Viejo: Mesa just W of Bridgeton Road near jct. of Ridgemark above Arroyo Trabuco, 4.8 km NNE Trabuco Survey Marker.
152
Comment
RSA0066588
Harpagonella palmeri
Fred M. Roberts, Carol A. Roberts, Dave Bontrager
1990-4-28
4587
Orange
Rancho Mission Viejo: Christianitos Canyon, 4.0 km E Playa Survey Marker.
174
Comment
SD253650
Hazardia berberidis
Jim Roberts
2014-2-18
54
San Diego
City of San Diego; Del Cerro; Navajo Canyon Open Space; near 200 yards NNW of intersection Spear Street and Lance Street
77
Comment
UCR128383
Hedypnois cretica
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5733
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
CAS-BOT-BC306840
Helenium bigelovii
D. C. Roberts
1905-8-1
s.n.
Tuolumne
Unspecified
Comment
RSA725583
Helianthemum scoparium
Fred M. Roberts, Robert L. Allen, Trish Smith
2007-6-15
6530
Orange
dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch.
662
Comment
UCSB52881
Helianthemum scoparium
Roberts, Fred
1983-4-9
Orange
South Laguna: Niguel Hill; 0.8 km. ESE Aliso Peak; 2.7 km. SW Alicia Fire Station
249
Comment
IRVC20494
Helianthemum scoparium var. vulgare
Fred M. Roberts
1983-5-4
1029
Orange
Temple Hill, Upper Rancho Laguna Canyon, 1.7km SSW Top of the World Sch.; 1.4km ENE Cactus Point, Laguna Beach
200
Comment
RSA0027431
Helianthus annuus
Fred M. Roberts
2013-7-18
7665
Orange
San Joaquin Hills: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill.
52
Comment
RSA725463
Helianthus annuus
Fred M. Roberts
2007-8-6
6554
Orange
San Joaquin Hills: Laguna Beach, Laguna Cyn. on east side of Laguna Cyn. Rd. adj. to dog park, 1.2 km S (air) from El Toro Road and 1.8 km WSW Moulton Survey Mk.
52
Comment
RSA725574
Helianthus gracilentus
Fred M. Roberts, Robert L. Allen, Trish Smith
2007-6-15
6531
Orange
dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch.
662
Comment
UCSB48091
Heliotropium curassavicum
Roberts, Jr., Fred
1981-5-2
Orange
Mission Viejo: Camino Capistrano, 1.7km N Crown Valley Parkway
49
Comment
RSA752718
Heliotropium curassavicum var. oculatum
Fred M. Roberts
2009-4-21
7157
Orange
Dana Point Headlands: southern cliffs, 0.7 km W Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve.
3
Comment
UCSB39581
Helminthotheca echioides
Roberts, Fred; Fritzke, Sue
1981-11-7
Santa Barbara
Junction of old fire road and Pt. Sal Road; Point Sal State Beach
326
Comment
IRVC20825
Hemizonia fasciculata
Fred M. Roberts
1982-7-30
785
Orange
Niguel Hill, 0.9km ENE Aliso Peak, Laguna Niguel
260
Comment
RSA678737
Hemizonia fasciculata
Fred M. Roberts, Carol A. Roberts, Robert Allen
2003-5-11
5858
Orange
Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive.
73
Comment
UCR209334
Hemizonia fasciculata
Fred M. Roberts
2008-7-10
7064
Orange
South Coast, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west-northwest of Marine Institute, Dana Point Harbor
65
Comment
UCR209343
Hemizonia fasciculata
Fred M. Roberts
2008-4-22
6922
Orange
Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, along Haul Road near asphalt plant, 2.2 km east-northeast of Rattlesnake Reservoir Dam and 2.2 km west-northwest of Bee Peak, Irvine Ranch Conservancy
188
Comment
RSA542438
Hemizonia paniculata
Fred M. Roberts
1988-5-25
3877
Orange
Ranch Mission Viejo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Mark.
88
Comment Read comments Apr 29 2020
RSA594814
Hemizonia paniculata
Fred M. Roberts
1993-6-30
4886
Orange
Aliso-Woods Regional Park: Temple Hill, adjacent to Multon Meadows Park, 0.7 km SSE Close Survey Marker.
253
Comment
RSA665419
Hemizonia paniculata
Fred M. Roberts, Karen Swirsky
1988-6-28
4104
Orange
Rancho Mission Viejo: Tributary to Arroyo Trabuco, 5.9km NNE Trabuco Survey Mark
171
Comment
UCR209328
Hemizonia paniculata
Fred M. Roberts
2009-9-10
7160
Riverside
Murrieta, Murrieta Hot Springs along Murrieta Hot Springs Road, c. 0.6 km by road northwest of the junction with Winchester Road
345
Comment
IRVC25204
Hemizonia parryi subsp. australis
Fred M. Roberts
1986-11-4
3199
Orange
Anaheim Bay, north of Hog Island, Seal Beach Naval Weapons Station
0
Comment
UCR114639
Hemizonia pungens subsp. laevis
Fred M. Roberts
1992-8-5
4846
Riverside
Anza Valley, Cahuilla Indian Reservation, near northern edge
1170
Comment
UCR162884
Hemizonia pungens subsp. laevis
Fred M. Roberts
1993-5-16
4883
Riverside
Hemet, W side of Old Warren Road, c. 0.75km N Florida Avenue near Devonshire Road, c. 1.2km WSW summit of Tres Cerritos Hills
459
Comment
UCR162935
Hemizonia pungens subsp. laevis
Fred M. Roberts, D. E. Bramlet
2005-4-1
6146
Riverside
Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field
457
Comment
SD148669
Hesperevax sparsiflora var. sparsiflora
Fred M. Roberts
2001-4-27
5442
San Diego
Ridge above Lusardi Creek below La Jolla Valley, ca. 2.1 km eastsoutheast confluence with San Dieguito River.
78
Comment
RSA0119678
Hesperocnide tenella
Fred M. Roberts
2015-3-10
7927
Orange
San Joaquin Hills: Niguel Hill, on ridge above Aliso Canyon ear end of Ceanothus Drive (Hangover House property), 0.4 km WNW summit Aliso Peak.
122
Comment
RSA542350
Hesperocnide tenella
Fred M. Roberts Jr., W. R. Ferren
1987-4-8
3361
Orange
Newport Beach: Upper Newport Back Bay, west side, North Star Beach, 0.8 km N Coney Island.
0
Comment
UCSB52949
Hesperocnide tenella
Roberts, Fred; Allen, R.
1983-3-27
Orange
Dana Point Headlands: above Dana Strand Beach, 0.9km W Dana Point Harbor; 1.0km SW Richard Henry Dana School
40
Comment
RSA0072402
Heteromeles arbutifolia
Fred M. Roberts, B. Allen, D. Olsen
2007-1-19
6505
Orange
Beek's Place along Main Divide Rd., 4.1 km NW Pleasant Peak.
852
Comment
RSA0072404
Heteromeles arbutifolia
Fred M. Roberts, Robert L. Allen
2004-1-16
6020
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.15 km W of Cristianitos Rd.
92
Comment
SD256646
Heteromeles arbutifolia
Jim Roberts
2015-3-16
108
San Diego
Fallbrook; Gird Valley Preserve; west of Golf Course parking area; 0.16 miles WSW of junction Gird Road and Casablanca Way; at edge of greens.
110
Comment
UCR223957
Heteromeles arbutifolia
Fred M. Roberts
2008-4-9
6884
Orange
South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west northwest of Marine Institute, Dana Point Harbor
65
Comment
RSA0072397
Heteromeles arbutifolia
Fred M. Roberts
1986-11-5
3204
Orange
Santa Ana Mts.: Upper Mabey Canyon near top of Skyline Dr., 2.7 km SE Sierra Peak, NE of Oak Flat.
850
Comment
IRVC21773
Heterotheca grandiflora
Fred M. Roberts
1984-11-27
1438
Orange
Novia St. bridge over San Juan Creek, 0.6km S Bench Mark 133, San Juan Capistrano
31
Comment
RSA0075823
Heterotheca grandiflora
Fred M. Roberts, David E. Bramlet
2003-6-20
5919
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary to Cristianitos Cyn., along Back Road, 1.48 km WNW Sycamore Gate.
189
Comment
UCR223954
Heterotheca grandiflora
Fred M. Roberts, Carol A. Roberts
2008-9-28
7110
Orange
South Coast, Dana Point, Dana Point Headlands, CNLM Preserve near northeast Gate, 0.5 km west Marine Institute, Dana Point Harbor
75
Comment
UCR281014
Hilaria rigida
Fred M. Roberts
2016-3-5
7988
Riverside
Sonoran (Colorado) Desert, Little Maria Mountains: west end, 4.3 km E Palen Pass and 2.2 km W 'Peak 602"
113
Comment
RSA702204
Hirschfeldia incana
Fred M. Roberts, David E. Bramlet
2003-6-20
5921
Orange
Rancho Mission Viejo: Donna O Neill Land Conservancy, tributary to Christianitos Cyn, along Back Road, 1.48 km WNW Sycamore Gate.
189
Comment
RSA743501
Hirschfeldia incana
Fred M. Roberts
2008-7-10
7077
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
65
Comment
RSA542405
Holodiscus discolor var. franciscanus
Fred M. Roberts Jr., R. E. Riefner
1988-7-19
4120
Orange
Modjeska Peak, west slope, along old abandoned road, 0.2 km west summit
1592
Comment
CAS-BOT-BC459661
Holodiscus dumosus subsp. saxicola
Robertson
1974-10-18
s.n.
Nevada
Humboldt Natl. Forest. 1/10 mi. above N.F. Gate on Singas Creek
1737
Comment
RSA615545
Holodiscus microphyllus
Fred M. Roberts Jr., Kirsten Winter, Leanne Naue
1997-6-5
5039
Orange
Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School.
24
Comment
UCSB47956
Hordeum brachyantherum subsp. californicum
Roberts, Dar
1980-5-4
Orange
.8 km North Northern tip of Thunderbird Homes, Dana Point
61
Comment
UCR162940
Hordeum depressum
Fred M. Roberts, D. E. Bramlet
2005-4-1
6147
Riverside
Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field
457
Comment
UCR211706
Hordeum depressum
Fred M. Roberts, Michelle Balk
2006-5-2
6329
Riverside
San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road
458
Comment
UCR211707
Hordeum depressum
Fred M. Roberts, Michelle Balk
2006-5-2
6328
Riverside
San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road
458
Comment
UCR211715
Hordeum depressum
Fred M. Roberts, Melissa Riedel-Lehrke
2006-4-18
6319
Riverside
Perris Basin, San Jacinto Valley, west of Hemet, along west side of Warren Road, 0.1 km north-northwest of the junction of Warren Road and Esplenade Road, 1.5 km north-northwest of the summit of Tres Cerritos Hills
453
Comment
UCR114962
Hordeum intercedens
Fred M. Roberts
1992-4-25
4876
Riverside
San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester
455
Comment
UCR211731
Hordeum intercedens
Fred M. Roberts, D. E. Bramlet
2005-5-5
6179
Riverside
Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road
458
Comment
UCR114964
Hordeum marinum subsp. gussoneanum
Fred M. Roberts
1992-4-25
4877
Riverside
San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester
455
Comment
UCR162936
Hordeum marinum subsp. gussoneanum
Fred M. Roberts, D. E. Bramlet
2005-4-1
6144
Riverside
Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field
457
Comment
RSA542550
Hordeum murinum subsp. leporinum
Fred M. Roberts
1988-3-4
3810
Orange
Anaheim, along Atchison Topeka RR parallel to Vine St., south of Broadway St., UTM 3743900m N, 416300m E
50
Comment
UCSB43415
Hordeum murinum subsp. leporinum
Roberts, Dar
1982-3-25
Santa Barbara
Fraser Point, Santa Cruz Island
6
Comment
RSA795552
Hordeum vulgare var. trifurcatum
D. Roberts
1983-5-1
LP- 418
Santa Barbara
West valley road, west of road from mesa. La Purisima Mission State Historic Park: 2 km northeast of Lompoc City Limit.
Comment
CAS-BOT-BC532059
Horkelia californica var. frondosa
Robert Robertson
1954-5-8
142
Monterey
E. of Carmel Cove, Point Lobos
9
Comment
IRVC20520
Horkelia cuneata subsp. puberula
Fred M. Roberts
1983-9-26
1114
Orange
Lion Canyon, Chiquito Basin Trail, 3.3km NNE Lower San Juan Picnic Ground; 4.3km SSE Los Pinos Peak. Santa Ana Mountains
810
Comment
RSA649010
Hymenoclea salsola
Jeni L. Roberts
1991-5-5
23
San Bernardino
Within Victorville City Limits. 2.5 miles N/W of I-15 on National Trails Highway.
Comment
UCSB52437
Hymenoxys acaulis
Roberts, Fred
1982-5-15
San Bernardino
New York Mtns.; mouth of Keystone Canyon at jct. of Ivanpah and Keystone Canyon Rds.
1614
Comment
SEINET11259504
Hymenoxys cooperi
J. H. Robertson, Y. Robertson
1979-7-19
s.n.
Mono
Sweetwater Mountains
2987
Comment
SEINET11259505
Hymenoxys cooperi
J. H. Robertson, Y. Robertson
1974-7-18
s.n.
Mono
Sweetwater Mountains. Across creek from barren, steep, rocky canyon side, along trail up no. fork of Sweetwater Cr. Site 96.
2774
Comment
SEINET11259558
Hymenoxys hoopesii
J. H. Robertson, Y. Robertson
1979-7-18
s.n.
Mono
Sweetwater Mountains. Site 97.
2743
Comment
RSA747629
Hypericum canariense
Fred M. Roberts
2008-5-8
6946
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor).
75
Comment
UCSB56516
Hypericum canariense
Roberts, Fred
1983-5-26
Orange
Dana Point Headlands; 0.5km NW Dana Point Harbor; 0.4km S Richard Henry Dana School; on south side of Pacific Coast Highway
22
Comment
RSA685932
Hypochaeris glabra
Fred M. Roberts, David E. Bramlet
2003-3-27
5615
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, western slopes of Chistianitos Canyon, 0.8km N Sycamore Gate 0.15km W Cristianitos Road; (San Clemente).
139
Comment
RSA743384
Hypochaeris glabra
Fred M. Roberts
2008-5-27
7008
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5 km W Marine Institute (Dana Point Harbor).
75
Comment
RSA747712
Hypochaeris glabra
Fred M. Roberts
2008-4-9
6867
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor).
52
Comment
UCSB47577
Hypochaeris glabra
Roberts, Jr., Fred
1980-4-3
Orange
San Juan Canyon, Hwy. 74, entrance to lower San Juan Picnic Grounds, Santa Ana Mtns.
409
Comment
RSA678498
Hypochaeris radicata
Fred M. Roberts, Robert Allen, Carol Roberts
2003-5-11
5844
Orange
Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive
76
Comment
UCSB52912
Hypochaeris radicata
Roberts, Fred; Marsh, K.
1983-5-13
Orange
Laguna Beach; Sycamore Hills, central ridge, 1.3 km. NE jct. El Toro and Laguna canyon Rds.; 5.6 km. ESE Signal Peak
155
Comment
SEINET8752736
Iris hartwegii
J. Robertson
1983-6-10
s.n.
Plumas
Plumas N.F.
Comment
UCSB53011
Iris missouriensis
Roberts, Dar; Wilson, C.
1983-7-23
Inyo
Red Willow Dam; 2 miles N of jet of Fish Slough Rd and Jean Blanc Rd; FISH SLOUGH: a desert wetland system 4.5 mi. north of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis
1341
Comment
OBI78721
Isocoma menziesii
Fred M. Roberts, with Michelle L/ Balk
2011-11-21
7476
San Diego
Chula Vista: south forl, Rice Canyon east of Paseo Del Rey jesuy SE jct. with H Street. (11S -04 97 293mE, 36 10 847mN)
Comment
SD242484
Isocoma menziesii
Fred Roberts, Michelle Balk
2011-11-21
7475
San Diego
Chula Vista; East of Paseo Del Rey, just SE of jct. with East H Street. National City USGS 7.5min quad. UTM 11S 04 97 293mE, 36 10 847mN.
75
Comment
SD242480
Isocoma menziesii var. decumbens
Fred Roberts, Michelle Balk
2011-11-21
7478
San Diego
Chula Vista: the southern foot of San Miguel Mtn., just beyond the northern terminus of Hunte Pkwy. And Salt Creek Golf Course, 0.7 km E the summit of Mother Miguel Mtn. Jamul Mtns. 7.5min USGS Quad, UTM 11S 05 04 116mE, 36 16 180mN.
295
Comment
SD242481
Isocoma menziesii var. menziesii
Fred Roberts, Michelle Balk
2011-11-21
7473
San Diego
San Diego; Oak Park; entrance to Chollas Community Park, near corner of College Grove Dr. and Chollas Station Rd., and about 0.6km W Chollas Reservoir spillway. National City USGS 7.5min quad.
131
Comment
UCR247911
Isocoma menziesii var. menziesii
Fred M. Roberts
2012-9-6
7694
Orange
SAN JOAQUIN HILLS: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 km WNW Pelican Hill summit.
37
Comment
RSA743473
Isocoma menziesii var. sedoides
Fred M. Roberts
2008-10-9
7123
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, at base of cliff adjacent to Dana Strands Beach, 0.8km WNW Marine Institute (Dana Point Harbor).
3
Comment
IRVC25168
Isocoma menziesii var. vernonioides
Fred M. Roberts, B. Fugle
1986-10-1
3145
Orange
Laguna Hills; creek channel along Cabot Rd. ca. 1.0km N Pacific Park Pkwy. Southern Coastal
99
Comment
RSA731649
Isocoma menziesii var. vernonioides
Fred M. Roberts
2007-10-29
6630
Orange
Laguna Beach: Temple Hill, Nyes Place, ca. 0.2 km S Moulton Meadows Park.
232
Comment
RSA743518
Isocoma menziesii var. vernonioides
Fred M. Roberts, Carol A. Roberts
2008-9-28
7114
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5 km W Marine Institute (Dana Point Harbor).
75
Comment
SD194898
Isocoma menziesii var. vernonioides
Fred Roberts
2006-7-6
6376 B
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
UCSB48038
Isocoma menziesii var. vernonioides
Roberts, Jr., Fred
1981-9-26
Orange
Irvine Ranch; Pacific Coast Highway, 0.9 km. SE El Moro School near mouth of Moro Cyn.
15
Comment
UCSB50641
Isolepis cernua
Roberts, Fred; Allen, R.
1982-7-4
Orange
Chino Hills: Tonner Canyon; 1.0 km. by road E jct. 57; 1.1 km. SE Bench Mark 499
165
Comment
UCR239636
Isomeris arborea var. arborea
Fred M. Roberts
2012-4-24
7504
Orange
San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak
179
Comment
RSA0042765
Iva hayesiana
Fred M. Roberts
2012-7-18
7670
Orange
SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill.
37
Comment
SD164550
Iva hayesiana
Fred M. Roberts
2001-7-20
5498
San Diego
San Ysidro Mtns.: NW foothills just SE of Otay Lake, 2.0 km ENE Savage Dam along unnamed canyon above Buschalaugh Cove, Otay Mesa Along narrow rocky flowing stream course on gravelly soil
174
Comment
RSA588852
Jepsonia parryi
Fred M. Roberts Jr.
1989-11-7
4451
Orange
Rancho Mission Viejo: TRW Lease Holding, ridge south of the confluence of Gabino and Blind Canyons, 5.0 km NE Clemente Survey Marker
155
Comment
RSA542507
Jepsonia parryi
Fred M. Roberts Jr., Bernard Jaroslow
1987-11-23
3757
Orange
San Joaquin Hills: Sycamore Hills above El Toro Canyon, ca. 2.7 km NNW Moulton Peak.
152
Comment
UCR247895
Juglans californica
Fred M. Roberts
2013-8-9
7802
Orange
Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.8 km ENE Silverado School and 1.5 km up stream Black Star Road crossing.
325
Comment
RSA542477
Juglans californica var. californica
Fred M. Roberts, Karlin Marsh
1988-4-25
3929
Orange
San Joaquin Hills: Irvine Coast, 1.1 km SW Pelican Hill.
44
Comment
RSA542517
Juncus acutus subsp. leopoldii
Fred M. Roberts, W. Ferren
1987-4-8
3358
Orange
Upper Newport Beach Back Bay, west side, North Star Beach, 0.8 km N Coney Island.
0
Comment
SD164588
Juncus acutus subsp. leopoldii
Fred M. Roberts
2001-5-10
5453
San Diego
Lusardi Creek MSCP parcel, canyon north of Lusari Creek, 1.1 km northeast Low South Survey Marker.
42
Comment
SD164589
Juncus acutus subsp. leopoldii
Fred M. Roberts
2003-5-7
5823
San Diego
Hollenbeck Ranch Preserve, Hollenbeck Canyon, 2.8 km southeast Jamul Butte; (Delzura). Growing in canyon bottom on loamy soil along rocky stream course.
242
Comment
RSA0014067
Juncus arcticus var. balticus
Fred M. Roberts, R. E. Riefner
2010-5-30
7021
Orange
Lomas de Santiago: Loma Ridge, Hanging Man s Tree Cyn., along Hanging Man s Tree Cyn. Rd., c.a. 0.4km W Santiago Cyn. Rd., and 1.2 km N Bolero Lookout.
372
Comment Read comments Sep 21 2020
UCR217670
Juncus arcticus var. balticus
Fred M. Roberts, R. E. Riefner Jr.
2008-5-30
7021
Orange
South Coast, Lomas de Santiago, Loma Ridge, Hanging Man's Tree Canyon, along Hanging Man's Tree Canyon Road, c. 0.4 km west of Santiago Canyon Road and 1.23 km north of Bolero Lookout
372
Comment
RSA731916
Juncus balticus var. balticus
Fred M. Roberts, Sandy Leatherman
2007-11-27
6663
Orange
Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge.
100
Comment
UCR162937
Juncus bufonius
Fred M. Roberts, D. E. Bramlet
2005-4-1
6150
Riverside
Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field
457
Comment
RSA542516
Juncus bufonius
Fred M. Roberts
1987-3-31
3300
Orange
Lomas de Santiago: Lomas [Loma] Ridge, upper Serrano Canyon, east fork, reservoir, 2.7 kilometers SE Bolero Lookout.
350
Comment
RSA678522
Juncus bufonius var. bufonius
Fred M. Roberts, M. Lee, Kristen Szabo
2001-4-13
5427
Orange
Rancho Mission Viejo: South of San Juan Creek, 0.6km WNW Median Rancho Survey Marker. PCR Vernal Pool 2.
183
Comment
RSA701811
Juncus bufonius var. bufonius
Fred M. Roberts, David E. Bramlet
2003-6-6
5903
Monterey
Rancho Mission Viejo: Donna O Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road
Comment Read comments Oct 28 2018
UCSB34442
Juncus bufonius var. bufonius
Roberts, Fred
1980-4-25
San Luis Obispo
At end of Bridge Street in the Cambria Pine Forest; north of Cambria
152
Comment
SD135148
Juncus dubius
Fred M. Roberts, Arthur Davenport
1993-7-25
4893
San Diego
Carlsbad, Arroyo la Costa, just northeast of Mission Estancia Road, 5.1 km southwest Lake Marcos Dam. Locally abundant on gentle, east-facing slope in seepy ground at edge of southern maritime chaparral.
67
Comment
UCR217669
Juncus effusus subsp. austrocalifornicus
Fred M. Roberts, R. E. Riefner Jr.
2008-5-30
7022
Orange
South Coast, Lomas de Santiago, Loma Ridge, Hanging Man's Tree Canyon, along Hanging Man's Tree Canyon Road, c. 0.4 km west of Santiago Canyon Road and 1.23 km north of Bolero Lookout
372
Comment Read comments Sep 21 2020
RSA0014071
Juncus macrophyllus
Fred M. Roberts, R. E. Riefner
2010-5-30
7024
Orange
Lomas de Santiago: Loma Ridge, Hanging Man s Tree Cyn., along Hanging Man s Tree Cyn. Rd., c.a. 0.4km W Santiago Cyn. Rd., and 1.2 km N Bolero Lookout.
372
Comment
UCR217667
Juncus macrophyllus
Fred M. Roberts, R. E. Riefner Jr.
2008-5-30
7024
Orange
South Coast, Lomas de Santiago, Loma Ridge, Hanging Man's Tree Canyon, along Hanging Man's Tree Canyon Road, c. 0.4 km west of Santiago Canyon Road and 1.23 km north of Bolero Lookout
372
Comment
UCSB47985
Juncus macrophyllus
Roberts, Fred
1980-6-25
Orange
Santa Ana Mtns; San Juan Canyon below Calif. Rte. 74; 2.4 km ENE San Juan Guard Station; 0.3 km WSW BM 1100
290
Comment
RSA0027429
Juncus patens
Fred M. Roberts
2013-7-18
7662
Orange
San Joaquin Hills: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill.
52
Comment
UCSB34445
Juncus phaeocephalus
Roberts, Fred
1980-5-28
Santa Barbara
Atascadero Creek; just east of Patterson road bridge; 3.1 km ne of UCSB
6
Comment
RSA0014060
Juncus rugulosus
Fred M. Roberts, R. E. Riefner
2010-5-30
7134
Orange
Lomas de Santiago: Loma Ridge, Hanging Man s Tree Cyn., along Hanging Man s Tree Cyn. Rd., c.a. 0.4km W Santiago Cyn. Rd., and 1.2 km N Bolero Lookout.
372
Comment
UCSB48197
Juncus rugulosus
Roberts, Fred
1981-6-26
Orange
Santa Ana Mts; Viejo Cyn; 0.5 km N Calif. Rte. 74; 2.7 km E San Juan Guard Station
Comment
RSA0014070
Juncus textilis
Fred M. Roberts, R. E. Riefner
2010-5-30
7023
Orange
Lomas de Santiago: Loma Ridge, Hanging Man s Tree Cyn., along Hanging Man s Tree Cyn. Rd., c.a. 0.4km W Santiago Cyn. Rd., and 1.2 km N Bolero Lookout.
372
Comment Read comments Sep 21 2020
SD196067
Juncus textilis
Fred Roberts
2006-7-6
6357
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
IRVC25628
Juncus torreyi
Fred M. Roberts, Karen M. Calloway
1987-7-20
3482
Inyo
White Mountains, Silver canyon, Silver canyon Road. 8 km NE Bishop, 2.4 km from Los Positas road at canyon mouth.
1398
Comment
UCSB36313
Juncus xiphioides
Roberts, Fred
1980-5-28
Santa Barbara
Vegas Creek; along Fairview Road; 2.0 Km. ne of UCSB; Goleta
5
Comment
UCSB48006
Juncus xiphioides
Roberts, Fred
1980-7-11
Orange
Santa Ana Mtns; Viejo Canyon; 3.0 km ENE San Juan Guard Station; 0.7 km N Hwy 74
355
Comment
RSA588789
Juniperus californica
Fred M. Roberts, Dave Bontrager
1990-4-18
4573
Orange
Rancho Mission Viejo: ridge between Lower San Juan Canyon and Upper Christianitos Canyon. 3.0 km S Point Rancho Survey Marker
215
Comment
RSA552937
Keckiella antirrhinoides
Fred M. Roberts Jr.
1989-5-9
4339
Orange
Santa Ana Mts: Gypsum Canyon, west fork, 5.6 km WNW Sierra Peak, c.a. 1 km S Highway 91.
146
Comment
UCR128402
Keckiella antirrhinoides
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5727
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
SD233988
Keckiella antirrhinoides var. antirrhinoides
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5727
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River watershed. Canyon bottom along stream course.
167
Comment
RSA773556
Keckiella cordifolia
Fred M. Roberts
2008-6-3
7028
Orange
Lomas de Santiago: Loma Ridge, East Fork Rattlesnake Canyon, ca. 2.6 km NE of Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak
235
Comment
UCR128409
Keckiella cordifolia
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5718
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
RSA542498
Keckiella ternata subsp. ternata
Fred M. Roberts Jr., Richard E. Riefner
1988-7-19
4123
Orange
Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School.
24
Comment
RSA718970
Kickxia elatine
Fred M. Roberts, Robert L. Allen
2006-10-8
6410
Orange
San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch.
4
Comment
RSA730997
Kickxia elatine
Fred M. Roberts
2006-11-15
6460
Orange
Santa Ana Cyn., 1.0 km ENE Imperial Hwy bridge, between La Palma Ave. and Santa Ana River near Big Springs St.
89
Comment
RSA683072
Koeleria macrantha
Fred M. Roberts
2003-3-13
5592
Orange
Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1,320m NW Sycamore Gate and 880m W Cristianitos Rd., ( 33 deg 29' 32N, 117 deg 34' 18W; [UTM 11S-04 46 917mE, 37 05 804mN
179
Comment
RSA701952
Koeleria macrantha
Fred M. Roberts, David E. Bramlet
2003-6-6
5906
Orange
Rancho Mission Viejo: Donna O'Neil Land Conservancy, Cristianitos Cyn along Cristianitos Ck., 1 km SSW Gato Gate and 0.31 km W of Cristianitos Rd.
73
Comment
RSA708524
Koeleria macrantha
Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield
2005-5-30
6242
Orange
Modjeska Peak summit, c.a. 60m south of highest point.
1675
Comment
RSA749490
Koeleria macrantha
Fred M. Roberts, Linda Farley
2008-3-28
6824
Orange
Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robber's Peak, Irvine Land Conservancy.
437
Comment
RSA725512
Koelreuteria bipinnata
Fred M. Roberts
2007-9-11
6563 a
Orange
Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center.
83
Comment
UCR267205
Krameria bicolor
Fred M. Roberts, Carol A. Roberts
2014-11-11
7915
San Bernardino
Sonoran Desert, Chemehuevi Valley: tributary to Gary Wash at west base of hill with VABM Huevis, 0.2 km E SR 95 and 4.5 km NW Pyramid Butte
387
Comment
UCSB53032
Krascheninnikovia lanata
Roberts, Dar; Ferren, Wayne
1984-4-28
Inyo
Fish Slough: desert wetland system 4.5 mi. north of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis; 1.2 miles N of jct. of Fish Slough Rd. and Jean Blanc Rd. on west side of slough
1341
Comment
SEINET4138589
Krascheninnikovia lanata
J. Robertson
1974-6-25
NW 120 -74
Mono
6.3 miles above Hw. Maint. Sta. at Montgomery Pass, NE of Boundary Park
2705
Comment Read comments Jun 19 2018
IRVC21694
Lactuca serriola
Fred M. Roberts
1984-8-2
1365
Orange
UC Irvine, along Adobe Circle Raod, 0.9km ENE campus center; 2.3km W French Hill, Irvine
30
Comment
RSA0027432
Lactuca serriola
Fred M. Roberts
2013-7-18
7666
Orange
San Joaquin Hills: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill.
52
Comment
RSA703140
Lactuca serriola
Fred M. Roberts, Art Davenport
2003-9-11
6016
Orange
Rancho Mission Viejo: Donna O' Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road.
126
Comment
UCSB57553
Laennecia coulteri
Roberts, Fred
1985-8-19
Orange
Crystal Cove State Park; Pelican Point, border of old stable site, 0.1 km. from ocean; UTM 3715800mN, 420900mE
20
Comment Read comments Feb 22 2019
HSC14214
Lamium purpureum
S. J. Roberts
1965-4-10
26
Humboldt
Dike of old Mad River channel
Comment
IRVC20365
Lasthenia californica
Fred M. Roberts, D. A. Roberts
1983-3-22
933
Orange
San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains
407
Comment
IRVC25402
Lasthenia californica
Fred M. Roberts
1987-4-3
3335
Orange
San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal
107
Comment
JROH970
Lasthenia californica subsp. californica
Robert Robertson
1954-4-23
88
San Mateo
Jasper Ridge Biological Preserve, Stanford University
170
Comment
RSA749293
Lasthenia coronaria
Fred M. Roberts
2008-4-22
6921
Orange
Lomas de Santiago: Loma Ridge, Lower Hicks Cyn.,along Haul Rd. near asphalt plant, 2.2 km ENE Rattlesnake Reservoir dam and 2.2 km WNW Bee Peak, Irvine Ranch Conservancy.
188
Comment
UCSB34450
Lathyrus vestitus
Roberts, Fred
1980-2-2
Santa Barbara
West side of Refugio Road, 17.7 km. north of Highway 101, Santa Ynez Mtns.
545
Comment
UCR209357
Lathyrus vestitus subsp. vestitus
Fred M. Roberts
2008-4-8
6850
Orange
Lomas de Santiago, Loma Ridge, Upper Dripping Springs Cnyn, 1.0 km northeast of Bee Peak, Irvine Ranch Conservancy
458
Comment
SD233830
Lathyrus vestitus var. alefeldii
Fred M. Roberts, M. White, D. Flietner
2003-5-4
5796
San Diego
Peninsular range, San Ysidro Mtns.:Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242
470
Comment
SD233832
Lathyrus vestitus var. alefeldii
Fred M. Roberts, A. Pigniolo, K. Muri
2003-5-3
5740
San Diego
Peninsular range, San Ysidro Mtns.:Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River watershed
167
Comment
UCSB36159
Lathyrus vestitus var. vestitus
Roberts, Dar
1980-2-2
Santa Barbara
South slope 11 miles on Refugio Rd. from junction at 101, Santa Ynez Mts.
545
Comment
IRVC22071
Layia platyglossa
Fred M. Roberts, D. A. Roberts
1983-3-22
934
Orange
San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains
407
Comment
RSA550587
Layia platyglossa subsp. campestris
Fred M. Roberts
1989-4-26
4323
Orange
Santa Ana Mtns: lower Blind Canyon near mouth, 9.2km SW Sierra Peak, 1km N Irvine Lake spillway.
210
Comment
UCR211724
Lemna minuscula
Fred M. Roberts, Ileene Anderson
2005-5-20
6208
Riverside
Perris Basin, San Jacinto Valley, field 0.5 km west of Sanderson Road, 3.2 km southwest of Gilman Hot Springs
446
Comment
RSA715699
Lemna minuta
Fred M. Roberts, Chris M. Barnhill
2005-9-27
6280
Orange
San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano,
27
Comment
RSA539348
Lemna minuta
Fred M. Roberts, Gordon Marsh
1987-8-31
3589
Orange
Santa Ana River: adjacent to Santa Ana.
15
Comment
RSA588894
Lepechinia cardiophylla
Fred M. Roberts, Carol A. Roberts
1990-5-30
4660
Orange
Ridge between Upper Hagador Canyon and the West Fork of Ladd Canyon, Main Divide Truck Trail, 0.8km WNW Pleasants Peak.
1122
Comment Read comments Feb 22 2017
RSA678524
Lepechinia cardiophylla
Fred M. Roberts, D. E. Bramlet
5524
Orange
Santa Ana mts.: Main Divide Truck Trail, Upper Indian Cyn., 1.7km W Trabuco Pk.
1268
Comment
UCR125978
Lepechinia cardiophylla
Fred M. Roberts, D. E. Bramlet
2002-6-6
5524
Orange
Santa Ana Mtns., Main Divide Truck Trail, Upper Indian Canyon, 1.7 km W Trabuco Peak
1268
Comment
RSA691031
Lepechinia ganderi
Fred M. Roberts
2003-5-4
5800
San Diego
San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242.
470
Comment
SD233868
Lepechinia ganderi
Fred M. Roberts
2003-5-4
5800
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi WSW of peak 2242.
470
Comment
UCR114957
Lepidium dictyotum var. acutidens
Fred M. Roberts
1992-4-25
4874
Riverside
San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester
455
Comment
UCR162956
Lepidium dictyotum var. acutidens
Fred M. Roberts, D. E. Bramlet
2005-4-1
6152
Riverside
Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field
457
Comment
RSA649966
Lepidium fremontii
Jeni L. Roberts, Christine Koller
1991-4-29
6
San Bernardino
Within Victorville City Limits. On National Trails Highway, 2.5 miles north of I 15.
Comment
RSA743495
Lepidium lasiocarpum
Fred M. Roberts
2008-3-19
6783
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor.
45
Comment
UCR224162
Lepidium lasiocarpum
Fred M. Roberts
2008-3-19
6783
Orange
South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor
45
Comment
UCR189293
Lepidium latifolium
Fred M. Roberts, S. Leatherman
2007-9-19
6598
Riverside
Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge
128
Comment
UCSB48030
Lepidium latifolium
Roberts, Fred
1980-5-4
Orange
Mission Viejo: along Santa Fe Railroad and Camino Capistrano; 1.7 km. N Crown Valley Parkway; 1.1 km. S Bench Mark 316
49
Comment
IRVC29094
Lepidium nitidum
Fred M. Roberts
1989-3-17
4209
Orange
Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park
30
Comment
RSA0127408
Lepidium oblongum
Fred M. Roberts
2016-5-20
8060
Orange
City of Irvine: San Joaquin Hills, Turtle Rock Community along Ridge Route Road, 1.0 km SE summit of French Hill and just NE intersection with Hillsborough Drive.
122
Comment
RSA362301
Lepidium pinnatifidum
Fred M. Roberts
1985-6-2
1836
Orange
San Clemente: El Camino Real, 0.2 km by road WNW Ave Pico.
5
Comment
RSA703698
Lepidium virginicum var. robinsonii
Fred M. Roberts, Arthur Davenport
2004-2-20
6025
Orange
Santa Ana Mtns.: San Juan Canyon, SR 74, south side of road, 0.62 km SW San Lower San Juan Picnic Ground; 1.89 km WNW Sitton Peak.
390
Comment
SD164517
Lepidium virginicum var. robinsonii
Fred M. Roberts
2001-5-8
5450
San Diego
La Jolla Valley: 4S Ranch MSCP parcel, 0.1 km SW Sol Survey Marker. Relatively steep to very steep S-facing slope in recently burned grassy coastal sage scrub
235
Comment
SD241398
Lepidium virginicum var. robinsonii
Fred Roberts, Michelle Balk, Dave Bramlet, Sarah Thorne
2008-3-5
6711
San Diego
Carlsbad: La Costa Greens CNLM Preserve, just west of Alicante Rd., 1.0 km SSE intersection of Palomar Airport Rd. and El Camino Real [Encinitas Quad: UTM 11S 04 75 570mE, 36 64 780mN].
60
Comment
SD242572
Lepidium virginicum var. robinsonii
Fred Roberts, Carol A. Roberts
2010-3-28
7237
San Diego
San Ysidro Mtns.: ridge south of O'Neal Cyn., Otay Mtn. Truck Trail, 3.8 km by air SW Otay Mtn. summit. Otay Mesa USGS 7.5min quad, UTM 11S 05 11 498mE, 36 04 180mN.
537
Comment
RSA717044
Lepidospartum squamatum
Fred M. Roberts, Chris M. Barnhill
2005-9-27
6287
Orange
San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano.
27
Comment
RSA712939
Leptochloa fusca subsp. uninervia
Fred M. Roberts
2005-10-3
6304
Orange
San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano,
27
Comment
RSA719404
Leptochloa fusca subsp. uninervia
Fred M. Roberts, Robert L. Allen
2006-10-8
6431
Orange
San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch.
4
Comment
UCSB48232
Leptochloa fusca subsp. uninervia
Roberts, Fred
1981-5-2
Orange
Mission Viejo; Camino Capistrano, 1.5 km N Crown Valley Parkway
49
Comment
UCSB36311
Leptochloa fusca subsp. uninervia
Roberts, Dar
1980-5-29
Santa Barbara
50 yds S of bridge on Hollister, closest to Hollister, Fairview Intersection along Vegas-San Pedro creek
4
Comment
RSA542450
Leptosiphon androsaceus
Fred M. Roberts
1988-4-10
3905
Orange
Lomas De Santiago: Loma Ridge, Upper Limestone Canyon, c.a. 3.2 kilometer NNW Bolero Lookout.
347
Comment
RSA587876
Leptosiphon liniflorus
Fred M. Roberts
1990-5-9
4625
Orange
Rancho Mission Viejo; Christianitos Canyon, TRW Lease Holding, 4.3 km NE Clemente Survey Marker.
91
Comment
RSA715700
Leptosiphon liniflorus
Fred M. Roberts, Robert L. Allen
2005-10-15
6311
Orange
entrance to Falcon Group Camp, 2.1km ESE Los Pinos Peak and 0.3km NE campground.
1008
Comment
RSA550596
Leptosiphon liniflorus
Fred M. Roberts
1989-4-26
4318
Orange
Mouth of Blind Caynon, 9.4 k SW Sierra Peak, 1.0km N Irvine lake spillway.
219
Comment
SD256422
Leptosyne californica
Jim Roberts, T. Chester, A. Ballway, N. Accola
2015-3-8
84
San Diego
Anza-Borrego Desert State Park; Ranchita area; 2.70 miles SE of junction Wilson Road and S-22; several hundred meters off of Wilson trail in Culp Valley; 1.66 miles N of Grapevine Canyon
1184
Comment
UCR241909
Lessingia filaginifolia
Fred M. Roberts
2012-5-10
7567
Orange
Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km north of Pelican Hill summit
154
Comment
RSA0029939
Lessingia glandulifera var. glandulifera
Fred M. Roberts
2012-9-2
7690
San Diego
Peninsular Ranges: Valle de San Jose: SR79, 0.3 km N Moretis Jct. (SR76), southeast of Lake Henshaw. San Diego Plant Atlas Grid H18.
Comment
RSA0029941
Lessingia glandulifera var. tomentosa
Fred M. Roberts
2012-8-24
7683
San Diego
Peninsular Ranges: Valle de San Jose: SR79, mouth of Matagual Valley east of Lake Henshaw about 3.2 km by road north of Moretis Junction (SR76). San Diego Plant Atlas Grid G18.
845
Comment
UCR246522
Lessingia glandulifera var. tomentosa
Fred M. Roberts
2012-8-24
7683
San Diego
Peninsular Ranges, VALLE DE SAN JOSE: SR79, mouth of Matagual Valley east of Lake Henshaw about 3.2 km by road north of Moretis Junction (SR76). San Diego Plant Atlas Grid G18.
845
Comment
RSA747630
Leymus condensatus
Fred M. Roberts
2008-5-8
6945
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
65
Comment
UCSB52930
Leymus triticoides
Roberts, Fred
1983-5-19
Orange
Laguna Beach; Laguna Canyon along Laguna Canyon Rd., 1.5 km N jct. El Toro and Laguna Canyon Rds.; 4.9km ESE Signal Peak
100
Comment
UCSB40205
Leymus triticoides
Roberts, Fred; Steele, Kelly
1982-5-27
Santa Barbara
More Mesa (Central Basin, area 3a).
Comment
SD256224
Ligustrum ovalifolium
Jim Roberts
2014-5-31
66
San Diego
City of San Diego; Mt. Brundage Park; 125 yards SSW of junction Mt. Culebra Avenue and Mt. Alifan Drive
96
Comment
UCSB48192
Lilium humboldtii
Roberts, Fred
1981-6-26
Orange
Santa Ana Mtns
329
Comment
SD164403
Lilium pardalinum subsp. pardalinum
Fred M. Roberts, Michelle Balk
2004-7-1
6070
San Diego
Laguna Mountains: Noble Canyon, along Noble Trail east of Pine Creek Road, 1.2km SE Noble Mine, UTM Z11 05 47 960mE, 36 37 084mN.
1285
Comment
CAS-BOT-BC510685
Lilium parvum
D. C. Roberts
1905-8-1
s. n.
Tuolumne
Unspecified
Comment
UCD116501
Limnanthes douglasii
Ed Roberts
1964-3-24
2
Lake
on State Highway 29, 5 miles north of Lakeport.
411
Comment
RSA0013966
Limonium duriusculum
Fred M. Roberts
2006-5-26
6338
San Diego
Chula Vista: San Diego Bay, west of Interstate 5, Duke Energy site near outflow pipes, south of Telegraph Cyn. Creek, 0.5 km W Bay Blvd. and 1.1 km NW Harboside School.
5
Comment
SD177557
Limonium duriusculum
Fred Roberts
2006-5-26
6338
San Diego
Chula Vista: San Diego Bay, W of Interstate 5, Duke Energy site near outflow pipes, south of Telegraph Cyn. Creek, 0.5km W Bay Blvd. and 1.1km NW Harborside School, UTM [NAD83] Z11 04 90 926mE, 36 08 444mN.
4
Comment
UCR215369
Limonium duriusculum
Fred M. Roberts
2006-5-26
6338
San Diego
Chula Vista, San Diego Bay, west of I-5, Duke Energy site near outflow pipes, south of Telegraph Canyon Creek, 0.5 km west of Bay Blvd and 1.1 km NW Harborside School
5
Comment
RSA743510
Limonium perezii
Fred M. Roberts
2008-4-9
6861
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor).
45
Comment
UCR188997
Limonium ramosissimum
Fred M. Roberts
2007-10-29
6623
Orange
South Coast, Niguel Hill, Laguna Niguel. Seaview Park, 1.3 km ENE of Aliso Peak
265
Comment
RSA542451
Linanthus californicus
Fred M. Roberts
1988-4-8
3892
Orange
Lomas de Santiago: Loma Ridge, Central Linestone Canyon, 4.1 kilometers NNW Bolero Lookout.
323
Comment
UCSB47635
Linanthus californicus
Roberts, Fred
1980-5-3
Orange
Main Divide Truck Trail, on north side of road, 0.3km SE Trabuco Peak, Santa Ana Mtns.
1340
Comment Read comments Jan 23 2015
RSA678735
Linanthus dianthiflorus
Fred M. Roberts, Carol A. Roberts, Robert Allen
2003-5-11
5860
Orange
Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive.
73
Comment
RSA773510
Linanthus dianthiflorus
Fred M. Roberts
1999-4-26
5198
Orange
Lomas de Santiago: Lomas Ridge, tributary to Santiago Canyon Wash on ridge between Limestone Canyon and the wash, 1.4 km SE Silverado School, and 2.7 km N Bolero Lookout.
358
Comment
SD164432
Linanthus dianthiflorus
Fred M. Roberts
2001-4-9
5414
San Diego
Jamul Mtns.: SW slopes, NE of Upper Otay Lake, 5.4 km SE summit Mother Miguel Mtn. Otay Lakes North MSCP parcel. Knoll along ridge on gentle SW-facing slope in rocky, open coastal sage scrub and annual grassland
309
Comment
RSA539354
Linanthus dianthiflorus subsp. dianthiflorus
Fred M. Roberts, Karen Kirtland
1989-2-22
4185
Orange
San Joaquin Hills: Pelican Hill, 0.5km ESE Summit.
177
Comment
UCR177690
Linanthus liniflorus
Fred M. Roberts, D. E. Bramlet
2003-5-1
5693
Orange
Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.21 km west of Cristianitos Rd.
96
Comment
UCR209366
Linanthus parviflorus
Fred M. Roberts, Linda Farley
2008-3-28
6833
Orange
Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon
427
Comment
SEINET14341942
Linanthus pungens
J. H. Robertson, Y. Robertson
1979-6-20
s. n.
Mono
Masonic Hills, 4.5 mi. along Masonic Hills road from Hwy 182, 0.1 mi. SE of red mine dump below road.
2414
Comment
SEINET14344634
Linanthus pungens
J. H. Robertson, Y. Robertson
1979-7-20
s. n.
Mono
[Sweetwater Mountains] Star City
2591
Comment
RSA752710
Linaria canadensis
Fred M. Roberts
2008-3-19
6787
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor.
60
Comment
UCR209356
Linaria canadensis var. texana
Fred M. Roberts
2008-4-8
6849
Orange
Lomas de Santiago, Loma Ridge, Upper Dripping Springs Cnyn, 1.0 km northeast of Bee Peak, Irvine Ranch Conservancy
458
Comment
RSA594875
Lindernia dubia
Fred M. Roberts Jr., Wayne Ferren
1991-12-1
4830
Orange
San Josquin Hills: Laguna Canyon, Upper Laguna Lake, 3.5 km N junction El Tprp Rd. , 4.9 km ENE Signal Peak;
113
Comment
SBBG67525
Linum
G. Robertson
-Aug-1903
Unknown
San Pedro Martir
2286
Comment
SBBG67526
Linum perenne
G. Robertson
-Aug-1903
Unknown
San Pedro Martir Mtns
2286
Comment
UCSB38426
Lithophragma cymbalaria
Roberts, Dar; Fletcher, Martin
1981-3-23
Santa Barbara
1.25km due north of Field Station, Santa Cruz Island
259
Comment
RSA719409
Lobularia maritima
Fred M. Roberts, Robert L. Allen
2006-10-8
6426
Orange
San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch.
4
Comment
RSA731945
Lobularia maritima
Fred M. Roberts, Sandy Leatherman
2007-11-27
6690
Orange
Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd.
118
Comment
RSA488121
Lomatium dasycarpum subsp. dasycarpum
Fred M. Roberts, K. G. Marsh
1984-2-15
1193
Orange
Caspers Regional Park: South rim of Lucas Cyn., 3.6 km NE Visitor Center; 0.7 km WNW Lucas Survey Mark
360
Comment
RSA542445
Lomatium dasycarpum subsp. dasycarpum
Fred M. Roberts
1988-4-10
3913
Orange
Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout.
415
Comment
RSA773521
Lomatium dasycarpum subsp. dasycarpum
Fred M. Roberts
1999-5-3
5212
Orange
Lomas de Santiago: Loma Ridge, Central Limestone Canyon, west slope, 2.2 km NW Bolero Lookout and 0.8 km NE Bolero Spring.
397
Comment
UCSB50640
Lomatium lucidum
Roberts, Fred
1982-7-7
Orange
South Laguna; Niguel Hill, 1.4 km. ESE Aliso Peak; 2.6 km. SSW Niguel Fire Station
207
Comment
RSA650679
Lomatium mohavense subsp. mohavense
Jeni L. Roberts
1991-5-3
16
San Bernardino
Within Victorville City Limits. On National Trails Highway, 2.5 miles north of I 15.
Comment
RSA0119677
Lonicera japonica
Fred M. Roberts
2015-4-16
7940
Orange
Newport Beach: Big Canyon, north side, vicinity of Big Canyon Trail, 0.5 km W Corona Del Mar High School.
2
Comment
SD245706
Lonicera japonica
Jim Roberts
2013-5-20
10
San Diego
City of San Diego; Tecolote Canyon Natural Park; 15m north of main trail downhill and west from Mt. Culebra Avenue entrance, in drainage channel near grove
89
Comment
UCSB47997
Lonicera subspicata var. denudata
Roberts, Jr., Fred
1980-7-7
Orange
Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 2.4 km. ENE San Juan Guard Station; 0.3 km. W bench mark 1100
345
Comment
UCSB52454
Lonicera subspicata var. denudata
Roberts, Fred; Allen, R.
1982-7-4
Orange
Chino Hills; Carbon Canyon, Carbon Canyon Rd., 0.3 km. by road SW county line; 2.5 km. NW Gilman Peak
260
Comment
IRVC28130
Lotus hamatus
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5765
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
RSA542544
Lotus hamatus
Fred M. Roberts
1988-4-10
3914
Orange
Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout.
415
Comment
RSA681023
Lotus hamatus
Fred M. Roberts, David E. Bramlet
2003-3-13
5582
Orange
Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate.
207
Comment
RSA599587
Lotus heermannii
Fred M. Roberts, Trish Smith, Greg Nichols
1995-4-27
4935
Orange
Irvine: San Joaquin Hills, Moro Canyon, Upper West Fork, c.a. 1.8 km SE Signal peak.
274
Comment
RSA786123
Lotus micranthus
Fred M. Roberts
1984-3-22
s.n.
Santa Barbara
Santa Cruz Island. Upper Cuesta Valdez area, 2.6km WNW Diablo Peak. 0.5km NNE Bench Mark 1697.
400
Comment
UCR241906
Lotus scoparius subsp. scoparius
Fred M. Roberts
2012-4-24
7525
Orange
Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak
167
Comment
IRVC28474
Lotus scoparius var. scoparius
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5810
San Diego
Otay Mtn; head of cyn 2 miles NW of Otay Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
470
Comment
RSA0013908
Lotus scoparius var. scoparius
Fred M. Roberts
2012-4-24
7525
Orange
San Joaquin Hills: Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak
167
Comment
RSA737533
Lotus scoparius var. scoparius
Fred M. Roberts
2008-3-12
6729
Orange
Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor).
50
Comment
UCR128866
Lotus scoparius var. scoparius
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5810
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
470
Comment
IRVC28129
Lotus strigosus
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5766
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
UCR128391
Lotus strigosus
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5766
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
427
Comment
IRVC22013
Lotus strigosus var. strigosus
Fred M. Roberts, Gordon Marsh
1985-3-12
1507
Orange
mesa west of Ave. Pico and north of El Camino Real, 3.2km SSE Coyote Bluff; 0.6km E Bench Mark 16 (sect. 32), San Clemente
37
Comment
IRVC24533
Lotus strigosus var. strigosus
Fred M. Roberts, Gordon Marsh
1986-2-28
2636
Orange
Mission Viejo: N of Oso Parkway; 4.2km NNE Saddleback Community College. Southern Coastal
200
Comment
RSA542579
Lotus strigosus var. strigosus
Fred M. Roberts
1988-3-15
3847
Orange
Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark
149
Comment
UCR203986
Lotus strigosus var. strigosus
Fred M. Roberts
2008-3-12
6727
Orange
South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor
50
Comment
RSA688873
Lotus unifoliolatus
Fred M. Roberts
2003-5-1
5666
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.49km S Gato Gate and just west of Cristianitos Rd. (San Clemente)
84
Comment
RSA717042
Ludwigia peploides
Fred M. Roberts, Chris M. Barnhill
2005-9-27
6285
Orange
San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano.
27
Comment
UCR189545
Ludwigia peploides subsp. peploides
Fred M. Roberts, S. Leatherman
2007-9-19
6582
Riverside
Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge
128
Comment
UCD106012
Lupinus albifrons var. abramsii
Warren Roberts
1967-3-28
s.n.
Monterey
end of El Caminito, Carmel Valley: originally from Bixby Cr.
Comment Read comments Jun 10 2020
SEINET5333867
Lupinus andersonii
J. Robertson, Y. Robertson
1979-7-20
s.n.
Mono
Sweetwater Mts., Star City.
2591
Comment
SEINET5327932
Lupinus argenteus var. heteranthus
J. Robertson, Y. Robertson
1979-6-20
s.n.
Mono
Toiyabe NF, 2.9 mi from boundary. 4.5 mi along Masonic Hills from HW 182; 1/20 mi. SE of red mine dump below road
2414
Comment
SD187938
Lupinus bicolor
Laurie Roberts, Lane McClelland
2006-5-2
6
San Diego
Descanso. Just N of I-8, ca. 1 1/3 mi E of its intersection with SR-79.
1098
Comment
RSA542580
Lupinus bicolor subsp. microphyllus
Fred M. Roberts
1988-3-15
3849
Orange
Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark
149
Comment
IRVC22067
Lupinus bicolor subsp. microphyllus
Fred M. Roberts
1983-3-16
917
Orange
Laguna Beach: Sycamore Hills, central ridge, 1.1km NNE jct. El Toro and Laguna Canyon Rds.; 5.4km [ESE] Signal Peak. Southern Coastal
156
Comment
IRVC22219
Lupinus bicolor subsp. umbellatus
Fred M. Roberts, Gordon Marsh
1985-4-3
1611
Orange
Irvine: Irvine Ranch, 1.2km W UCI campus center, Southern Coastal
24
Comment
IRVC21215
Lupinus bicolor subsp. umbellatus
Fred M. Roberts
1984-3-9
1241
Orange
Wagon Wheel Regional Park: 2.6km NE Median Rancho Survey Mark, Santa Ana Mountains
210
Comment
IRVC24765
Lupinus bicolor subsp. umbellatus
Fred M. Roberts
1986-4-24
2790
Orange
Rancho Mission Viejo: Canyon east of Trampas Canyon, S of Hwy 74, 2.5km E Viejo Survey Mark. Santa Ana Mountains
113
Comment
IRVC28144
Lupinus concinnus
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5777
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
UCSB47613
Lupinus hirsutissimus
Roberts, Fred
1980-5-3
Orange
Main Divide Truck Trail, 0.4 km. NNE Falcon Group Camp (near Blue Jay CG); Santa Ana Mountains
1067
Comment
IRVC22852
Lupinus latifolius var. parishii
Fred M. Roberts
1985-6-7
1884
Orange
Viejo Canyon, 0.5km N Hwy. 74, 2.5km W Lower San Juan Picnic Ground. santa Ana Mountains
327
Comment
IRVC20486
Lupinus longifolius
Fred M. Roberts, Karlin G. Marsh
1983-5-13
1046
Orange
San Joaquin Hills: Laguna Canyon, Laguna Canyon Rd., 1.7km N Thurston Sch.; 6.4km SER Signal Peak. Southern Coastal
50
Comment
RSA542381
Lupinus longifolius
Fred M. Roberts, T. Sholars, B. Stechmeyer
1988-3-29
3889
Orange
Lomas De Santiago: Lomas Ridge, Santiago Canyon Road, 5.5km NW Silverado Canyon Road Jct.
256
Comment
RSA542383
Lupinus longifolius
Fred M. Roberts, T. Sholars, B. Stechmeyer
1988-3-29
3888
Orange
Lomas De Santiago: Lomas Ridge, Santiago Canyon Road, 5.5km NW Silverado Canyon Road Jct.
256
Comment
RSA588787
Lupinus longifolius
Fred M. Roberts, D. Bontrager
1990-4-18
4575
Orange
Rancho Mission Viejo: Chiquita Ridge, just west of Canada Chiquita, 2.9 km N Median Rancho Survey Marker
183
Comment
RSA749358
Lupinus microcarpus var. microcarpus
Fred M. Roberts
2008-4-15
6897
Orange
Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., east ridge, 1.7 km E Rattlesnake Reservoir dam and 2.2 km W Bee Peak, Irvine Ranch Conservancy.
179
Comment
UC1595603
Lupinus microcarpus var. microcarpus
Fred M. Roberts Jr. and Carol A. Roberts
1989-4-7
4262
Orange
0.6 km nw Moulton Peak; Aliso-Wood Canyon Regional Park, Upper Wood Canyon
131
Comment
IRVC21274
Lupinus sparsiflorus subsp. sparsiflorus
Fred M. Roberts, Karlin G. Marsh
1984-2-15
1204
Orange
Casper's Regional Park: Rancho: Rancho Carrillo Rd., 1.0km NE Visitor Center; 3.0km SW Lucas Survey Mark, Santa Ana Mountains
150
Comment
IRVC20366
Lupinus sparsiflorus subsp. sparsiflorus
Fred M. Roberts
1983-3-16
932
Orange
Laguna Beach: Sycamore Hills, central ridge, 1.1km NNE jct. El Toro and Laguna Canyon Rds.; 5.4km [ESE] Signal Peak. Southern Coastal
156
Comment
IRVC22003
Lupinus succulentus
Fred M. Roberts, Gordon Marsh
1985-3-12
1525
Orange
mesa west of Ave. Pico and north of El Camino Real, 3.2km SSE Coyote Bluff; 0.6km E Bench Mark 16 (sect. 32), San Clemente
37
Comment
IRVC24509
Lupinus truncatus
Fred M. Roberts, Gordon Marsh
1986-2-28
2613
Orange
Lateral to English Canyon along Vista Del Lago; 3.4km ENE El Toro Fire Station, in ravine at base of north-facing slope. Mission Viejo
236
Comment
RSA678723
Lupinus truncatus
Fred M. Roberts, Robert L. Allen, Carol Roberts
2003-5-11
5852
Orange
Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive
76
Comment
UCR203985
Lupinus truncatus
Fred M. Roberts
2008-3-12
6726
Orange
South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor
50
Comment
IRVC21480
Luzula subsessilis
Fred M. Roberts, Wayne R. Ferren
1984-3-20
1280
Santa Barbara
Sata Cruz Island; Centinella; W Pine Forest; 6.8km WNW Research Station; 2km SSW Devil's Peak Channel Islands
370
Comment
UCSB34446
Luzula subsessilis
Roberts, Fred
1980-4-25
San Luis Obispo
At the end of Bridge street; north of Cambria in Cambria Pine Forest
152
Comment
RSA743464
Lycium californicum
Fred M. Roberts
2008-5-27
7010
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor).
45
Comment
RSA700255
Lycopersicon esculentum
Fred M. Roberts
2003-7-8
5959
Orange
Coastal Plains and Basins; Los Angeles Basin region; Orange Park Acres, along Santiago Creek, 0.5 km E Cannon Road and 0.3 km n Santiago Canyon Road.
117
Comment
UCSB47995
Lythrum californicum
Roberts, Fred
1980-7-7
Orange
Santa Ana Mtns; San Juan Canyon, Hwy 74, 2.4km ENE San Juan Guard Station; 0.3km W Bench Mark 1100
315
Comment
RSA679219
Madia gracilis
Fred M. Roberts
2003-6-17
5913
Orange
Just NE of Falcon roup Camp, 2.1km ESWE Los Pinos Peak just west of main road.
1009
Comment
RSA362292
Madia gracilis
Fred M. Roberts
1985-6-7
1846
Orange
Santa Ana Mountains: Main Divide Truck trail, 2.2km ESE Los Pinos Peak.
1005
Comment
UCR189547
Maianthemum racemosum subsp. amplexicaule
Fred M. Roberts
2005-7-7
6255
San Bernardino
San Bernardino Mountains, Lake Arrowhead, along Orchard Creek on Potomac Rd., 0.2 km SE Shannandoah Rd., about 2.1 km NW Mount Soranson on south side of Lake
1607
Comment
RSA553110
Malacothamnus fasciculatus var. laxiflorus
Fred M. Roberts
1989-5-9
4342 -A
Orange
Gypsum Canyon, west for,, 5.6 km WNW Sierra Peak, 1km S Hwy 91.
146
Comment
UCR209661
Malacothrix saxatilis var. saxatilis
Fred M. Roberts
2008-5-16
6978
Orange
South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, along north slopes above Dana Strand Beach, 0.8 km west-northwest of the Marine Institute, Dana Point Harbor
45
Comment
IRVC21322
Malacothrix saxatilis var. tenuifolia
Fred M. Roberts
1982-7-30
786
Orange
Niguel Hill, 0.9km ENE Aliso Peak, Laguna Niguel
260
Comment
IRVC22734
Malacothrix saxatilis var. tenuifolia
Fred M. Roberts
1985-5-13
1787
Orange
South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak,
6
Comment
RSA773520
Malacothrix saxatilis var. tenuifolia
Fred M. Roberts
1999-5-3
5211
Orange
Lomas de Santiago: Loma Ridge, Central Limestone Canyon, west slope, 2.3 km NW Bolero Lookout and 0.5 km NE Bolero Spring
446
Comment
UCR247892
Malacothrix saxatilis var. tenuifolia
Fred M. Roberts
2012-7-18
7661
Orange
SAN JOAQUIN HILLS: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill
52
Comment
IRVC25416
Malephora crocea
Fred M. Roberts, Wayne Ferren
1987-4-8
3355
Orange
Upper Newport Back Bay, west side, North Star Beach, 0.8km N Coney Island, Newport Beach
0
Comment
RSA743469
Malephora crocea
Fred M. Roberts, Lee Ann Carranza, Jeff Roseler
2008-10-9
7126
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, at base of cliff along south edge, 0.7 km W Marine Institute (Dana Point Harbor).
3
Comment
UCR236677
Malephora crocea
Fred M. Roberts, Lee Ann Carranza, Jeff Roseler
2008-10-9
7126
Orange
South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, at base of cliff along south edge, 0.7 km west of Marine Institute, Dana Point Harbor
3
Comment
IRVC3285
Malosma laurina
Fred M. Roberts, K. G. Marsh
1985-7-18
2057
Orange
Temple Hill, Goff Ridge, 0.9km NE Goff Island off Nye Place Laguna Beach
168
Comment
UCSB48029
Malosma laurina
Roberts, Fred
1980-7-7
Orange
Santa Ana Mtns.; San Juan Canyon, Calif. Rte. 74; 2.2 km. ENE San Juan Guard Station; 0.6 km W Bench Mark 1100
305
Comment
UCSB48098
Malva parviflora
Roberts, Fred
1981-4-11
Orange
Ortega Hwy: Hwy 74 5.2km E San Juan Capistrano near San Juan Creek crossing
52
Comment
UCSB52905
Malva pseudolavatera
Roberts, Fred
1985-4-24
Orange
San Joaquin Hills: Laguna Canyon along Laguna Canyon Rd., 0.6km N jct, El Toro Rd,; UTM 3716450mN, 429300mE
22
Comment Read comments Feb 22 2019
RSA716091
Malvaviscus arboreus
Fred M. Roberts
2006-7-27
6394
Orange
San Joaquin Hills: Laguna Beach, Temple Hill, 731 Nyes Place, 1.0km NNE Golf Island.
174
Comment
RSA0093741
Malvella leprosa
Fred M. Roberts
2014-4-21
7849
Orange
South Coast. SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin.
113
Comment
UCR203984
Marah macrocarpa
Fred M. Roberts
2008-3-12
6723
Orange
South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor
50
Comment
UCSB47970
Marah macrocarpa
Roberts, Jr., Fred
1980-2-17
Orange
Dana bluffs along Scenic Drive Road, northwest of and above Dana Point Harbor, Dana Point
58
Comment
UCR267206
Marina parryi
Fred M. Roberts, Carol A. Roberts
2014-11-11
7916
San Bernardino
Sonoran Desert, Chemehuevi Valley: tributary to Gary Wash at west base of hill with VABM Huevis, 0.2 km E SR 95 and 4.5 km NW Pyramid Butte
387
Comment
RSA701971
Marrubium vulgare
Fred M. Roberts, David E. Bramlet
2003-6-20
5927
Orange
Rancho Mission Viejo: Donna O Neill Land Conservancy, tributary to Christianitos Cyn, along Back Road, 1.48 km WNW Sycamore Gate.
189
Comment
RSA552932
Marrubium vulgare
Fred M. Roberts, R. E. Riefner
1989-5-2
4333
Orange
Aliso-Wood Canyons Regional Park: Lower Woods Canyon, 3.3 km S Multon Peak.
40
Comment
UCSB48088
Marrubium vulgare
Roberts, Fred
1981-5-2
Orange
Camino Capistrano, 1.7km N Crown Valley Parkway
49
Comment
RSA665952
Marsilea vestita
Fred M. Roberts, Michelle Lee, Kristen Szabo
2001-4-13
5423
Orange
Rancho Mission Viejo: South of San Juan Creek, 0.4km ESE Median Rancho Survey Marker., PCR Vernal Pool 7.
238
Comment
RSA665955
Marsilea vestita
Fred M. Roberts, Michelle Lee, Kristen Szabo
2001-4-13
5426
Orange
Rancho Mission Viejo: South of San Juan Creek, 0.6km WNW Median Rancho Survey Marker., PCR Vernal Pool 2.
183
Comment
RSA666090
Marsilea vestita
Fred M. Roberts, Michelle Lee, Kristen Szabo
2001-4-13
5429
Orange
Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker., PCR Vernal Pool 4.
226
Comment
RSA594805
Marsilea vestita
Fred M. Roberts, Doreen Stadlander, Ray Vizgirdas
1992-4-24
4838
Orange
El Toro Marine Base: just west of Borrego Wash, 2.7 km SE Lambert Reservoir dam
166
Comment
CAS-BOT-BC348147
Matricaria discoidea
Robert Robertson
1954-5-8
149
Monterey
Near sea E. of Carmel Cove, Point Lobos
9
Comment
UCR211712
Matricaria occidentalis
Fred M. Roberts, D. E. Bramlet, Kerry Byrne
2006-4-20
6322
Riverside
Perris Basin, Upper Salt Creek watershed, southwest of Hemet, 2 km southeast of Winchester, south of Domenigoni Parkway
453
Comment
IRVC21997
Medicago polymorpha
Fred M. Roberts, G. A. Marsh
1985-3-12
1520
Orange
San Clemente; bluffs above El Camino Real, c.a. 1.1km NW Ave. Pico by road; 0.2km E Bench Mark 16 (sect. 32). Southern Coastal
31
Comment
RSA737483
Medicago polymorpha
Fred M. Roberts
2008-3-12
6733
Orange
Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor).
50
Comment
RSA725517
Melia azedarach
Fred M. Roberts, Robert L. Allen
2007-9-28
6613
Orange
Lomas de Santiago: above lower Santiago Cyn. wash along Santiago Cyn. Rd. just south of Irvine Mesa, 3.3 km N Bolero Lookout.
332
Comment
IRVC28331
Melica frutescens
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5704
San Diego
Otay Mountain, south side near crest of ridge east of lower "Butteweg Canyon" along the border trail, Tijuana River watershed Peninsular Range, San Ysidro Mountains
305
Comment
RSA680930
Melica frutescens
Fred M. Roberts, Andy Pinolo, Kam Muri
2003-5-3
5704
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed., (32 deg 33'46N, 116 deg 47' 59W).
305
Comment
SD233697
Melica frutescens
Fred M. Roberts, Andy Pinolo, Kam Muri
2003-5-3
5704
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side near crest of lower Butteweg Canyon along the border trail, Tijuana River watershed.
305
Comment
UCR128522
Melica frutescens
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5704
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed
305
Comment
IRVC28450
Melica imperfecta
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5723
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
RSA747626
Melica imperfecta
Fred M. Roberts
2008-4-16
6906
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor.
45
Comment
RSA773501
Melica imperfecta
Fred M. Roberts
1999-5-14
5221
Orange
Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School
502
Comment
SD164573
Melica imperfecta
Fred M. Roberts
2001-4-9
5409
San Diego
Jamul Mtns; SW slopes, NE of Upper Otay Lake, 5.4 km SE summit Mother Miguel Mtn. Otay Lakes North MCSP parcel
309
Comment
UCR128405
Melica imperfecta
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5723
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
UCR209370
Melica imperfecta
Fred M. Roberts, Linda Farley
2008-3-28
6821
Orange
Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, east fork along ridge just west of SR 241, 3.4 km east of Robber's Peak
437
Comment
UCSB40767
Melica imperfecta
Roberts, Dar
1981-3-25
Santa Barbara
Los Pinos del Sur, Santa Cruz Island
274
Comment
UCSB47583
Melica imperfecta
Roberts, Fred
1980-4-3
Orange
Highway 74; 0.2 km. SW of Orange-Riverside Co. line; 0.4 km. NNE Lower San Juan Picnic Ground, San Juan Cyn., Santa Ana Mountains
420
Comment
UCSB36155
Melica imperfecta
Roberts, D.
1980-4-12
Santa Barbara
De la Guerra Springs; .7 miles from main rd
760
Comment
IRVC23313
Melilotus albus
Fred M. Roberts
1985-7-23
2065
Orange
Irvine; San Diego Creek between E Yale Loop and Jeffrey Rd. Southern Coastal
35
Comment
IRVC25059
Melilotus albus
Fred M. Roberts
1986-8-21
3053
Orange
English Canyon along English Creek just below Trabuco Rd. crossing, c.a. 2.4km E El Toro Fire Station, Mission Viejo
166
Comment
RSA730996
Melilotus albus
Fred M. Roberts
2006-11-15
6470
Orange
Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing.
85
Comment
IRVC20467
Melilotus indicus
Fred M. Roberts
1983-5-13
1059
Orange
Dana Point Headlands; N of Scenic Dr., 0.5km W Dana Point Harbor; 0.7km SSW Richard Henry Dana School. Southern Coastal
79
Comment
IRVC20806
Melilotus indicus
Fred M. Roberts
1982-5-22
644
Orange
Dana Point; Junction of Selva and Stone Hill drives, 1.0km ESE Dana Hills High School; 1.7km SW Marco Forster Junior High School. Southern Coastal
40
Comment
UCR241902
Melilotus indicus
Fred M. Roberts
2012-4-24
7520
Orange
Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak
167
Comment
RSA688867
Melilotus indicus
Fred M. Roberts
2003-5-1
5668
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.49km S Gato Gate and just west of Cristianitos Rd. (San Clemente)
84
Comment
RSA594802
Melinis repens
Fred M. Roberts, Terasa Bruckenstien
1992-3-19
4837
Orange
Rancho Mission Viejo, San Juan Creek east of San Juan Capistrano and just north of Ortega Highway bridge, 3.6 km. SSW Median Rancho Survey Mark., UTM Z11 37 08 900m N, 4 42 100m E
49
Comment
SD233700
Melinis repens subsp. repens
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5809
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi WSW of peak 2242.
470
Comment
RSA708735
Mentha aquatica
Fred M. Roberts, Robert L. Allen, Chris Barnhill
2004-8-21
6120
Orange
Caspers Wilderness Park, Hot Springs Creek in San Juan Cyn., c.a. 0.36km SSW San Juan Ranger Station, at SR 74 crossing.
197
Comment
UCR267204
Mentzelia adhaerens
Fred M. Roberts, Carol A. Roberts
2014-11-11
7913
San Bernardino
Sonoran Desert, Chemehuevi Valley: tributary to Gary Wash at west base of hill with VABM Huevis, 0.2 km E SR 95 and 4.5 km NW Pyramid Butte
387
Comment
RSA539392
Mentzelia dispersa
Fred M. Roberts, Carol A. Roberts
1988-6-9
4071
Orange
Santa Ana Mountains: Main Divide Truck Trail, Modjeska Peak, west slope, 0.5 km NNW summit.
1417
Comment
RSA0014074
Mentzelia micrantha
Fred M. Roberts
2008-5-28
7011
Orange
Lomas de Santiago: Loma Ridge, south fork Rattlesnake Cyn., 2.0km above Rattlesnake Reservoir dam and 2.2km WNW Bee Peak.
230
Comment
HSC79303
Mentzelia nitens
Roberta G. Robertson
1974-3-29
176
San Bernardino
19.2 mi. S of Jct. Hwy. 66 and Sunflower Springs Rd. 2.7 mi. W on unnamed dirt road, Old Woman Mtns., 111.5 air mi. ESE of Barstow.
1067
Comment
RSA752848
Mesembryanthemum nodiflorum
Fred M. Roberts
2009-4-21
7156
Orange
Dana Point Headlands: southern cliffs, 0.7 km W Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve.
3
Comment
RSA588800
Micropus californicus
Fred M. Roberts
1990-5-7
4600
Orange
Rancho Mission Viejo: Ridge S of Blind Canyon and E of Christianitos Canyon, TRW Lease Holding, 5.0 km NE Clemente Survey Marker
152
Comment
RSA773500
Micropus californicus var. californicus
Fred M. Roberts
1999-5-14
5220
Orange
Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School
502
Comment
RSA685937
Microseris douglasii subsp. platycarpha
Fred M. Roberts, David E. Bramlet
2003-3-27
5621
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Chistianitos Cyn., 0.79km N Sycamore Gate, 0.23km W Chistianitos Rd.
122
Comment
SD148668
Microseris douglasii subsp. platycarpha
Fred M. Roberts
2001-4-6
5395
San Diego
La Zanja Canyon, 1.2 km southwest Doug Survey Marker north of Carmel Valley Road.
121
Comment
SD220226
Microseris douglasii subsp. platycarpha
Fred Roberts
2000-5-10
5323
San Diego
Otay Lakes: Resort site, SW foothills Jamul Mtns., along Otay Lakes Rd. (east side), 1.0 km SE Upper Otay Lakes dam [Jamul Mtns. Quad: UTM Z11 05 07 042mE, 36 11 717mN].
155
Comment
UCR208155
Microseris douglasii subsp. platycarpha
Fred M. Roberts, D. E. Bramlet
2003-3-27
5621
Orange
Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.79km N Sycamore Gate, 0.23km W Cristianitos Rd.
126
Comment
RSA599649
Microseris douglasii subsp. platycarpha
Fred M. Roberts
1995-4-21
4930
Orange
Irvine: San Joaquin Hills, Quail Hill area near end of San Canyon Road, 2.5 km ENE French Hill.
52
Comment
RSA599650
Microseris douglasii subsp. platycarpha
Fred M. Roberts
1995-4-21
4931
Orange
Irvine: San Joaquin Hills, Quail Hill area near end of San Canyon Road, 2.5 km ENE French Hill.
52
Comment
IRVC28491
Microseris heterocarpa
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5790
San Diego
Otay Mtn; head of cyn 2 miles NW of Otay Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
470
Comment
UCR209371
Microseris heterocarpa
Fred M. Roberts, Linda Farley
2008-3-28
6817
Orange
Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, east fork along ridge just west of SR 241, 3.4 km east of Robber's Peak
437
Comment
RSA749306
Microseris lindleyi
Fred M. Roberts
1999-4-21
5179
Orange
Lomas de Santiago: Loma Ridge, ridges north of Dripping Springs Cyn., 1.5 km W Silverado Sch. and 4.8 km NNW Bolero Lookout.
365
Comment
RSA751989
Microseris lindleyi
Fred M. Roberts, Eliza Maher
2008-3-26
6796
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
65
Comment
RSA599647
Microseris lindleyi
Fred M. Roberts
1995-4-21
4928
Orange
Irvine: San Joaquin Hills, Quail Hill area near end of San Canyon Road, 2.9 km ENE French Hill.
49
Comment
RSA0013911
Mimulus aurantiacus var. pubescens
Fred M. Roberts
2012-4-24
803784
Orange
San Joaquin Hills: Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak
167
Comment
UCR209340
Mimulus aurantiacus var. pubescens
Fred M. Roberts
2008-4-22
6920
Orange
Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, along Haul Road near asphalt plant, 2.2 km east-northeast of Rattlesnake Reservoir Dam and 2.2 km west-northwest of Bee Peak, Irvine Ranch Conservancy
188
Comment
UCSB47965
Mimulus aurantiacus var. pubescens
Roberts, Fred
1980-4-3
Orange
San Juan Canyon; HWY 74; 0.4km NNE Lower San Juan Picnic Ground; Santa Ana Mountains
420
Comment
UCSB48103
Mimulus aurantiacus var. pubescens
Roberts, Fred; Fritzke, Sue
1982-4-3
Orange
Santa Ana Mnts; Lower Hot Springs Canyon; Lazy W Road; 2.4km N by road of San Juan Guard Station; 1.4km NNW Juan Rancho Survey Mark
240
Comment
UCSB52448
Mimulus aurantiacus var. pubescens
Roberts, Fred; Allen, R.
1982-7-4
Orange
Chino Hills; Carbon Canyon; Carbon Canyon Rd; 0.3km by road SW county line; 2.5km NNW Gilman Peak
260
Comment
IRVC27991
Mimulus aurantiacus var. puniceus
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5716
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
RSA550597
Mimulus aurantiacus var. puniceus
Fred M. Roberts
1989-4-26
4317
Orange
Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School.
24
Comment
UCR128376
Mimulus aurantiacus var. puniceus
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5716
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
IRVC28106
Mimulus brevipes
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5771
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
UCR128862
Mimulus brevipes
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5771
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
427
Comment
RSA712936
Mimulus cardinalis
Fred M. Roberts
2005-10-3
6291
Orange
San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano,
27
Comment
UCSB48200
Mimulus cardinalis
Roberts, Fred
1981-6-26
Orange
Sant Ana Mts; Viejo Canyon; 0.1km N Calif. Rte. 74; 2.7km E San Juan Gurad Station
291
Comment
IRVC28064
Mimulus clevelandii
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5820
San Diego
Otay Mtn; head fo canyon ca. 2 milesNW of Otay Mtn Peak, ca. 0.5 mile WSW of peak 2242, S of peak 1517. Peninsular Ranges, San Ysidro Mountains
396
Comment
UCSB50634
Mimulus clevelandii
Roberts, Fred
1982-7-9
Orange
Santa Ana Mts; Upper Hot Springs Canyon; 0.1km SW Falcon Group Camp; 2.0km SE Los Pinos Peak
1075
Comment
RSA588708
Mimulus clevelandii
Fred M. Roberts
1990-5-22
4642
Orange
Santa Ana Mts. East Fork Upper Long Canyon, along Maine Divide Truck Trail Extension, 4.1km E Los Pinos Peak
954
Comment Read comments Dec 5 2011
JROH4084
Mimulus guttatus
Robert Robertson
1954-4-23
99
San Mateo
Jasper Ridge Biological Preserve, Stanford University
170
Comment
RSA701948
Mimulus guttatus
Fred M. Roberts, David Bramlet
2003-6-6
5901
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road.
Comment Read comments Nov 7 2014
UCSB47989
Mimulus guttatus
Roberts, Fred
1980-7-7
Orange
Santa Ana Mtns; San Juan Cyn; Hwy 74; 2.3km ENE San Juan Guard Station; 0.4km W Bench Mark 1100
315
Comment
RSA715695
Mimulus pilosus
Fred M. Roberts, Chris M. Barnhill
2005-9-27
6277
Orange
San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano,
27
Comment
IRVC25444
Minuartia douglasii var. douglasii
Fred M. Roberts
1987-5-9
3432
Orange
San Juan Trail above Chiquito Basin, 2.3km SSE Los Pinos Peak, Santa Ana Mountains
952
Comment
CAS-BOT-BC174764
Minuartia nuttallii var. gracilis
George Robertson
21
Riverside
Near Summit of Grayback near Redlands
Comment Read comments Sep 3 2017
RSA737549
Mirabilis laevis var. crassifolia
Fred M. Roberts
2008-3-12
6712
Orange
Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor).
50
Comment
UCR203978
Mirabilis laevis var. crassifolia
Fred M. Roberts
2008-3-12
6712
Orange
South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor
50
Comment
UCR267183
Mirabilis laevis var. crassifolia
Fred M. Roberts
2010-3-12
7178
Orange
Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center
50
Comment
UC61523
Monardella
Geo. Robertson
107
San Bernardino
Mill Creek Divide San Bernardino Mt.
2438
Comment
IRVC22034
Monardella hypoleuca subsp. hypoleuca
Fred M. Roberts
1983-9-26
1128
Orange
Lion Canyon, Chiquito Basin Trail, 3.5km NNE Lower San Juan Picnic Ground; 4.2km SSE Los Pinos Peak, Santa Ana Mountains
815
Comment Read comments Sep 18 2012
UCR215371
Monardella hypoleuca subsp. hypoleuca
Fred M. Roberts
2006-7-17
6384
Santa Barbara
Transverse Range; Santa Ynez Mountains, Refugia Road, c. 4.3 km south by road refugio Pass (jct. West Camino Cielo Rd.) and c. 2.6 km SE Bald Peak
370
Comment
RSA539413
Monardella lanceolata var. lanceolata
Fred M. Roberts
1988-6-10
4102
Orange
Santa Ana Mountains: Modjeska Peak, 0.4 km WSW summit.
1621
Comment
UCR215364
Monardella nana subsp. tenuiflora
Fred M. Roberts
2006-6-21
6341
Riverside
Peninsular Range; San Jacinto Mountains, Little Thomas Mountain; Thomas Mountain Road, 0.5 km west summit of peak
1866
Comment
IRVC28245
Monardella stoneana
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5819
San Diego
Otay Mtn; head fo canyon ca. 2 milesNW of Otay Mtn Peak, ca. 0.5 mile WSW of peak 2242, S of peak 1517. Peninsular Ranges, San Ysidro Mountains
396
Comment
UCR128549
Monardella stoneana
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5819
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.5 mi. WSW of peak 2242, south of peak 1517
396
Comment
RSA542545
Muhlenbergia microsperma
Fred M. Roberts
1988-2-18
3802
Orange
Lomas de Santiago: Ridge west of Irvine Lake, 1.0 km NW Santiago Dam spillway
244
Comment
SD233702
Muhlenbergia microsperma
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5762
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi WSW of peak 2242.
127
Comment
SD234765
Muhlenbergia microsperma
Fred M. Roberts, A. Pinolo, K. Muri
2003-5-3
5705
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side near crest of ridge east of lower Butteweg Canyon along the border trail, Tijuana River watershed
305
Comment
UCR128524
Muhlenbergia microsperma
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5705
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed
305
Comment
UCR267207
Muhlenbergia microsperma
Fred M. Roberts, Carol A. Roberts
2014-11-11
7917
San Bernardino
Sonoran Desert, Chemehuevi Valley: tributary to Gary Wash at west base of hill with VABM Huevis, 0.2 km E SR 95 and 4.5 km NW Pyramid Butte
387
Comment
UCSB42494
Muhlenbergia microsperma
Roberts, Fred
1982-3-22
Santa Barbara
16 meters above stream bed; 0.5km N Field Station on north edge of Central Valley; Santa Cruz Island
115
Comment
UCR247871
Muhlenbergia rigens
Fred M. Roberts
2012-9-6
7696
Orange
SAN JOAQUIN HILLS: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 km WNW Pelican Hill summit.
37
Comment
UCSB48199
Muhlenbergia rigens
Roberts, Fred
1981-6-26
Orange
Viejo Cyn., 0.4 km N Calif. Rte. 74; 2.7 km ENE San Juan Guard Station; Santa Ana Mts.
311
Comment
UCR209389
Muilla maritima
Fred M. Roberts, Brenda McMillan
1998-3-31
5101
Riverside
Paloma Valley, vicinity of Murreta, Ferndale Lane on hill top, 1.4 km southwest of the intersection of Briggs Road and Scott Road
480
Comment
UCR239648
Myoporum
Fred M. Roberts
2012-5-9
7551
Orange
Santa Ana Mountains, Lake Forest, near Serrano Creek utility road, 0.3 m south-southwest of intersection of Commercentre and Dimension Drives
206
Comment
RSA0010806
Myoporum laetum
Fred M. Roberts
2008-5-16
6977
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor.
45
Comment
SD233638
Myriopteris newberryi
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5807
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242.
470
Comment
UCSB54265
Nama aretioides
Roberts, Dar
1984-4-28
Mono
Fish Slough: desert wetland system 4.5 mi. north of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis; 2.7 miles S of Rocked-in-Spring; on E side of slough at BLM Spring
1341
Comment
UCR209672
Nama stenocarpa
Fred M. Roberts, Carol A. Roberts
1999-10-23
5254
Riverside
San Jacinto Valley, Mystic Lake, northeast shore near Gilman Hot Springs Road, c. 1.8 km southwest of Eden Peak
433
Comment
UCR247878
Nama stenocarpa
Fred M. Roberts, Laura Cohen
2012-10-31
7714
Orange
San Joaquin Hills, Upper Laguna Lake, north end. Laguna Coast Wilderness Park, c. 5.1 km east northeast of Signal Hill
113
Comment
RSA681020
Nassella cernua
Fred M. Roberts, David E. Bramlet
2003-3-13
5586
Orange
Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate., (33 deg 29'37N, 117 deg 34' 16 W [UTM: 11S-04 46 936mE, 37 05 965mN.]
207
Comment
RSA548852
Nassella lepida
Fred M. Roberts, H. Camp
1987-3-10
3218
Orange
Caspers regional park: San Juan Canyon, BN of Hwy 74, 1.9km SW San Juan Hot Springs, UTM 3715600mN, 450 400m E, alt 229m.
229
Comment
RSA749291
Nassella lepida
Fred M. Roberts
1999-4-2
5169
Orange
Lomas de Santiago: Loma Ridge, Dripping Springs Spur Rd., 2.3 km W Silverado Sch. and 5.1 km NW Bolero Lookout.
450
Comment
UCSB52916
Nassella lepida
Roberts, Fred
1983-3-10
Orange
Dana Point Headlands; south of Scenic Drive, 0.3 km W Dana Point Harbor; 0.8 km S Richard Henry Dana School
60
Comment
RSA535968
Nassella pulchra
Fred M. Roberts
1989-4-17
4267
Orange
Santa Ana Mtns: Central Blind Canyon, 7.3km SW Sierra Peak, 2.4km N Irvine Lake,, UTM 37 40 700 m N, 4 32 900m E.
259
Comment
RSA542547
Nassella pulchra
Fred M. Roberts
1988-2-9
3782
Orange
Lomas De Santiago: Loma Ridge, 1.5km N Bee Survey Mark., UTM 373 3700m N, 435 200m E
385
Comment
RSA743513
Nassella pulchra
Fred M. Roberts
2008-4-9
6863
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor).
45
Comment
RSA747596
Nassella pulchra
Fred M. Roberts
2000-5-19
5329
Orange
Lomas de Santiago: Loma Ridge, ridge west of Bee Peak above Bee Cyn. landfill, 0.2 km W Bee Peak.
500
Comment
UCSB36123
Nassella pulchra
Roberts, Dar
1980-4-25
Monterey
Plaskett Creek Campground along a dirt road, W of the Main Campground
91
Comment Read comments Mar 22 2008
RSA710410
Nasturtium officinale
Fred M. Roberts
2005-10-3
6298
Orange
San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano,
27
Comment
UCSB22521
Nasturtium officinale
Roberts, M.
1967-5-9
Santa Barbara
Ditch near junction of Highway 225 and Highway 101, Santa Barbara
60
Comment
UCR114959
Navarretia fossalis
Fred M. Roberts
1992-4-25
4871
Riverside
San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester
455
Comment
UCR162948
Navarretia fossalis
Fred M. Roberts
1993-6-8
4884
Riverside
San Jacinto River Valley; Perris, adjacent to San Jacinto River, N of Interstate 215, 0.51km N of Ellis Road and 2.4km west of San Jacinto Road
431
Comment
SD135282
Navarretia hamata subsp. hamata
Fred M. Roberts, Arthur Davenport
1993-7-25
4889
San Diego
Carlsbad: Arroyo la Costa, south of Segovia Road, 5.5 km SW Lake San Marcos dam common on roads and in openings on gentle, north-facing slope at border of southern maritime chaparral and annual grassland
67
Comment
RSA665941
Nemacaulis denudata var. denudata
Fred M. Roberts
1997-4-29
5023
Orange
Bolsa Chica Salt Marsh; (US Fish and Wildlife Service cell 60) west of old oil field, 1.1 km. S Chica Survey Mark.
2
Comment
RSA588711
Nemophila menziesii var. integrifolia
Fred M. Roberts
1990-5-22
4639
Orange
Santa Ana Mountains; Upper Hot Springs canyon, just west of Falcon Group Camp, 1.9km ESE Los Pinos Peak.
994
Comment
SJSU1717
Nephrolepis exaltata
Robertson
1956-2-14
214561
Santa Clara
133 South 12th St., San Jose
Comment
RSA701973
Nicotiana glauca
Fred M. Roberts, David E. Bramlet
2003-6-20
5925
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary to Christianitos Cyn, along Back Road, 1.48 km WNW Sycamore Gate.
189
Comment
RSA743470
Nicotiana glauca
Fred M. Roberts, Lee Ann Carranza, Jeff Roseler
2008-10-9
7125
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, at base of cliff along south edge, 0.7 km W Marine Institute (Dana Point Harbor).
3
Comment
RSA716093
Nolina cismontana
Fred M. Roberts, Carol A. Roberts
2006-4-28
6323
Orange
Mision Viejo: near Vista del Lago Dr., 0.9km NE jct. Vista del Lago and Los Alios Blvd., 1.7km NNW Lake Mission Viejo dam.
211
Comment
UCR209367
Nolina cismontana
Fred M. Roberts, Linda Farley
2008-3-28
6832
Orange
Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon
427
Comment
POM888
Notholaena californica subsp. leucophylla
G. Ross Robertson
1904-1
s.n.
Riverside
E. Riverside Co. desert.
Comment
SD143232
Nuttallanthus texanus
Fred M. Roberts
1997-4-11
5005
San Diego
Carlsbad: Upper Encinitas Creek watershed east of Rancho Santa Fe Rd, Fieldstone Southeast, ca. 5.7 km southwest Double Peak frequent on gentle east-facing slope in open mosaic of coastal sage scrub & native grassland that had burned in October 1996
88
Comment
SD262616
Nuttallanthus texanus
Jim Roberts, T. Chester, N. Accola, A. Ballway, M. Crouse
2015-3-16
118
San Diego
Fallbrook; Gird Valley Preserve; just W of golf course; 0.30 miles WSW of junction Gird Road and Casablanca Way; ridge southwest of borrow pit.
153
Comment
RSA725515
Nyctocereus serpentinus
Fred M. Roberts, Robert L. Allen
2007-9-28
6615
Orange
Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado.
347
Comment
UCR189550
Nyctocereus serpentinus
Fred M. Roberts, R. L. Allen
2007-9-28
6615
Orange
Santa Ana Mountains, Silverado Canyon, along Silverado Canyon Rd. at eastern edge of town of Silverado
347
Comment
CAS-BOT-BC140334
Oemleria cerasiformis
Robert Robertson
1954-4-10
67
Santa Clara
By path near Page Mill Quarry
137
Comment
CAS-BOT-BC171508
Oenothera californica
Geo Robertson
1906-1-1
s.n.
San Bernardino
Mentone
Comment
RSA679092
Oenothera elata subsp. hirsutissima
Fred M. Roberts
2003-7-24
5967
Orange
San Juan Capistrono: San Juan Creek, c.a. 0.1 km NE La Novia Bridge. Along creek on cobbly sand of wash in open southern willow scrub and mulefat scrub.
27
Comment
UCR211716
Oenothera laciniata
Fred M. Roberts
2005-5-19
6262
Riverside
Perris Basin, San Jacinto Valley, city of San Jacinto, east of Sanderson Road and south of the Ramona Expressway, 2.6 km south-southwest of Gilman Hot Springs
446
Comment
RSA0029940
Oenothera speciosa
Fred M. Roberts
2013-5-15
7772
Orange
San Joaquin Hills: Buck Gully, north slope, Newport Beach, near Ocean Beach Drive, 1.8 km NW summit Pelican Hill.
122
Comment
SD246972
Olea europaea
Jim Roberts
2013-6-21
29
San Diego
City of San Diego; Tecolote Canyon Natural Park; Mt. Etna Park entrance, 200m south of trailhead at south end of park, west of trail near runoff channel
81
Comment
RSA704425
Opuntia littoralis
Fred M. Roberts, David E. Bramlet
2004-7-30
6081
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Western slopes of Cristianitos Cyn., 0.25km W Sycamore Gate and Cristianitos Road.
151
Comment
UCR223965
Opuntia littoralis
Fred M. Roberts
2008-10-27
7127
Orange
South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west northwest of Marine Institute, Dana Point Harbor
65
Comment Read comments Nov 20 2018
UCR189549
Orcuttia californica
Fred M. Roberts, Michelle Balk
2005-4-23
6175
Riverside
Perris Basin, San Jacinto Valley: upper Salt Creek watershed, W of Hemet, NW corner of Stowe and California Rd., 3.6km ENE downtown Winchester
132
Comment
RSA708238
Orobanche fasciculata
Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield
2005-5-30
6233
Orange
Southwest arm of Modjeska Peak, 1.2km SW summit, Main Divide Rd. near jct. of road to summit.
1533
Comment
SEINET13756705
Orthocarpus cuspidatus subsp. copelandii
J. H. Robertson, Y. Robertson
1979-7-19
s. n.
Mono
Bench near salt ground at road fork
2347
Comment
RSA542379
Orthocarpus purpurascens
Fred M. Roberts Jr.
1987-4-21
3387
Orange
Aliso Viejo: Aliso Creek, Aliso Creek bike Trail. 3.0 km ENE Moulton Peak.
73
Comment
RSA590943
Orthocarpus purpurascens
Fred M. Roberts Jr.
1991-5-2
4784
Orange
San Joaquin Hills: Laguna Canyon, Laguna Laurel, just west of Laguna Canyon Road. c.a. 2 km N jct. El Toro Road, 4.5 km E Signal Peak;
110
Comment
IRVC28461
Osmadenia tenella
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5754
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
UCR209663
Osmadenia tenella
Fred M. Roberts
2008-5-16
6984
Orange
South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve north of Marguerita Drive, 0.5 km west-northwest of the Marine Institute, Dana Point Harbor
75
Comment
IRVC24743
Osmadenia tenella
Fred M. Roberts
1986-4-29
2823
Orange
Turtle Rock, above corner of Ridgerout Dr. and Turtle Rock Dr., 1.1km SE French Hill, Irvine
141
Comment
UCSB48382
Osmadenia tenella
Roberts, Jr., Fred
1982-5-22
Orange
Laguna Niguel; Niguel Hill, near end of Pacific Island Road, 1.6 km. ENE Aliso Peak
295
Comment
RSA691022
Oxalis albicans
Fred M. Roberts, Andy Pinolo, Kam Muri
2003-5-3
5700
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed.
305
Comment
IRVC28445
Oxalis albicans
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5700
San Diego
Otay Mountain, south side near crest of ridge east of lower "Butteweg Canyon" along the border trail, Tijuana River watershed Peninsular Range, San Ysidro Mountains
305
Comment
RSA684305
Oxalis albicans subsp. californica
Fred M. Roberts
2003-3-13
5590
Orange
Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1,320m NW Sycamore Gate and 880m W Cristianitos Rd.
179
Comment
SD164437
Oxalis californica
Fred M. Roberts
2001-4-9
5411
San Diego
Jamul Mtns.: SW slopes, NE of Upper Otay Lake, 5.4 km SE summit Mother Miguel Mtn. Otay Lakes North MSCP parcel. Knoll along ridge on gentle SW-facing slope in rocky, open coastal sage scrub and annual grassland
309
Comment
UCSB48385
Oxalis californica
Roberts, Fred
1982-4-18
Orange
San Juan Canyon, Hwy 74, 0.6km SW Lower San Juan Picnic Ground; 1.9km WNW Sitton Peak, Santa Ana Mtns.
420
Comment
RSA737550
Oxalis pes-caprae
Fred M. Roberts
2008-3-12
6738
Orange
Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor).
50
Comment
SEINET11602286
Packera cana
J. Robertson, Y. Robertson
1979-7-20
s.n.
Mono
Star City, NW of buildings; Sweetwater Mountains
2591
Comment
SEINET11744726
Packera multilobata
J. H. Robertson, Y. Robertson
1975-6-20
s.n.
Mono
Masonic Hills, 5.9 mi. from HW 182 as of Nev, map atlas 8-11; 2.4 mi. from NF
2499
Comment
SEINET11744768
Packera multilobata
J. Robertson, Y. Robertson
1979-6-20
s.n.
Mono
Masonic Hills, 5.9 miles from Hwy 182, 2.4 miles from NF boundary.
2499
Comment
SEINET11745005
Packera werneriifolia
J. H. Robertson, Y. Robertson
1979-7-20
s.n.
Mono
Star City. Rockfield NW of buildings. Site 106.
2591
Comment
RSA588782
Paeonia californica
Fred M. Roberts, Nicole Orlik
1990-4-11
4716
Orange
Santa Ana Mountains: East Fork Upper Long Canyon, along Main Divide Truck Trail, 4.4 kilometers SE Los Pinos Peak.
750
Comment
RSA715697
Panicum capillare
Fred M. Roberts, Chris M. Barnhill
2005-9-27
6278
Orange
San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano,
27
Comment
RSA773552
Panicum capillare
Fred M. Roberts
2008-6-3
7032
Orange
Lomas de Santiago: Loma Ridge, East Fork Rattlesnake Canyon, ca. 2.6 km NE Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak
225
Comment
UCR188996
Panicum dichotomiflorum subsp. dichotomiflorum
Fred M. Roberts, S. Leatherman
2007-9-19
6590
Riverside
Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge
128
Comment
SD214035
Panicum hillmanii
Fred Roberts
2007-6-7
6521
San Diego
Rancho Santa Fe: Osuna Valley, north side of Calzada del Bosque Rd., 0.2 km E jct. with Via de la Valle Rd. and 1.7 km SSW Rancho Santa Fe towncenter.
10
Comment
RSA542447
Papaver californicum
Fred M. Roberts
1988-3-9
3844
Orange
Laguna Beach, Goff Ridge, along Nyes Place, 0.9km NE Goff Island.
169
Comment
RSA594891
Papaver californicum
Fred M. Roberts, Sandy Leatherman, B. Leatherman
1994-4-24
4904
Orange
Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1.2 kilometers SW Lower San Juan Picnic Ground.
390
Comment
RSA542524
Parietaria hespera var. californica
Fred M. Roberts Jr.
1989-3-22
4223
Orange
San joanquin Hills: Temple hill, Dripping Springs Cave, lateral to Wood Canyon; 2.6 km S moulton Peak.
76
Comment
RSA542349
Parietaria hespera var. hespera
Fred M. Roberts Jr.
1987-4-21
3382
Orange
Aliso Viejo: Aliso Creek, Aliso Creek bike Trail. 3.0 km ENE Moulton Peak.
73
Comment
SD247249
Parietaria hespera var. hespera
Jim Roberts
2013-5-22
16
San Diego
City of San Diego; Tecolote Canyon Natural Park; S of Balboa Avenue; 300 yards ESE of junction Ute Drive and Cowley Way
54
Comment
UCR128377
Parietaria hespera var. hespera
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5715
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
IRVC24070
Parkinsonia aculeata
Fred M. Roberts
1985-8-23
2175
Orange
Mission Viejo; San Diego Fwy. (I-5), 0.9km N Oso Pkwy., on west side. Southern Coastal
121
Comment
RSA488134
Parkinsonia aculeata
Fred M. Roberts
1985-8-23
2175
San Diego
Mission Viejo, San Diego Fwy, 0.9km N Oso Pwy, on W side, 3716450m N, 43 7740m E, alt 121m.
121
Comment Read comments Sep 8 2016
RSA710413
Paspalum distichum
Fred M. Roberts
2005-10-3
6301
Orange
San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano,
27
Comment
UCSB54318
Paspalum distichum
Roberts, Dar
1983-7-23
Inyo
Fish Slough; 1 mile N of jct. of Fish Slough Rd. and Jean Blanc Rd. at barrier separting slough from Owens River canal
Comment
RSA450843
Pectocarya linearis subsp. ferocula
Fred M. Roberts
1983-3-16
929
Orange
Laguna Beach, Sycamore Hills, central ridge, 1.5km NNE jct E1 Toro and Laguna Canyon road, 5.5km ESE Signal Peak.
160
Comment
UCSB38429
Pectocarya linearis subsp. ferocula
Roberts, Dar
1981-3-23
Santa Barbara
0.75 km. north of Field Station in Central Valley, Santa Cruz Island
183
Comment
RSA0127410
Pectocarya linearis var. ferocula
Fred M. Roberts
2016-3-17
8005
Orange
San Joaquin Hills: City of Irvine, Bommer Canyon, east fork, 0.3 km ESE Cattle Camp near East Fork Trail.
152
Comment
UCR211709
Pectocarya recurvata
Fred M. Roberts, Michelle Balk
2006-5-1
6326
Riverside
Perris Basin, Old Salt Creek watershed, South Hemet Hills, west of California Ave, c. 2.8 km southwest of the west end of Hemet Ryan Airport runway
483
Comment
UCSB36178
Pectocarya setosa
Roberts, Dar
1980-5-31
Ventura
E. side of Hwy. 33; 8 km. by road S of Pine Mountain Summit
1400
Comment
UCR209668
Pellaea andromedifolia
Fred M. Roberts
2008-4-16
6908
Orange
South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor
45
Comment
UCSB48093
Pellaea andromedifolia
Roberts, Fred
1981-4-12
Orange
Santa Ana Mtns.: San Juan Canyon, Hwy 74, 1.3km by road E of San Juan Guard Station, 0.9km SE Juan Rancho SM
295
Comment
POM22835
Pellaea andromedifolia var. andromedifolia
G. Ross Robertson
s.n.
San Bernardino
Mentone, brush country
579
Comment
SD256360
Pellaea andromedifolia var. andromedifolia
Jim Roberts
2015-3-16
111
San Diego
Fallbrook; Gird Valley Preserve; N of borrow pit; 0.21 miles WSW of junction Gird Road and Casablanca Way; steep part of trail from parking to borrow pit
123
Comment
SD256361
Pellaea andromedifolia var. pubescens
Jim Roberts
2015-2-10
76
San Diego
City of San Diego; Tecolote Canyon Natural Park; east side of use trail near houses about 300m southwest from September Street entrance.
68
Comment
IRVC28212
Pellaea mucronata
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5780
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
UCR128531
Pellaea mucronata
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5780
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
427
Comment
UCSB52421
Pellaea mucronata
Roberts, Fred; Meyers, J.
1982-11-7
Orange
Santa Ana Mtns.; Lion Canyon, Chiquito Basin Trail, 3.6 km. S Blue Jay Campground; 2.4 km. NNE lower San Juan Campground
800
Comment
POM849
Pellaea mucronata subsp. californica
G. Ross Robertson
1904-1
s.n.
San Bernardino
Forest Home in Mill Creek Canyon
Comment
IRVC20364
Pellaea mucronata var. mucronata
Fred M. Roberts, D. A. Roberts
1983-3-22
935
Orange
San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains
407
Comment
RSA701799
Pennisetum setaceum
Fred M. Roberts, David E. Bramlet
2003-6-6
5893
Monterey
Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road
Comment Read comments Oct 28 2018
UCR236680
Pennisetum villosum
Fred M. Roberts, Sandra L. Leatherman
2008-9-17
7102
Orange
Peninsular Ranges, Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana River, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river
87
Comment
SD262639
Penstemon X parishii
Jim Roberts
2014-5-28
65
San Diego
Cuyamaca Rancho State Park; west side of Stonewall Creek Fire Road; 1.50 miles N of intersection with Harper Fire Road; near 0.83 mi E of Stonewall Peak.
1413
Comment
SD188270
Penstemon centranthifolius
Laurie Roberts, Lane McClelland
2006-5-29
14
San Diego
Descanso. NW base of Guatay peak, along Old Highway 80, just NE of its intersection with SR- 79.
1098
Comment
RSA708368
Penstemon grinnellii subsp. grinnellii
Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield
2005-5-30
6244
Orange
Modjeska Peak, west slope along summit road, 0.15km by air W summit.
1613
Comment Read comments Sep 29 2007
SEINET5328721
Penstemon humilis var. humilis
J. Robertson, Y. Robertson
1979-6-21
s.n.
Mono
Upper Town, 1/10 mi. S of sign Sweetwater 8, Bridgeport 12, above small rock palisade.
2591
Comment
SBBG66550
Penstemon labrosus
G. Robertson
1903-8-20
51
Unknown
on San Pedro Martir Mtn
1524
Comment
SEINET5329835
Penstemon speciosus
J. Robertson, Y. Robertson
1979-7-18
s.n.
Mono
old cabin near S Fk of Sweetwater Cr.
2987
Comment
RSA542377
Penstemon spectabilis
Fred M. Roberts
1988-3-15
3856
Orange
Rancho Mission Viejo: Verdugo Canyon, 0.8 km SE Lucas Survey Mark.
247
Comment
SD164540
Pentachaeta aurea
Fred M. Roberts, Fred T. Sproul
2003-5-6
5822
San Diego
Miramar Marine Corp Air Station: mesa north of Rose Canyon, 170 m E Santa Fe RR tracks and 0.46 km S Miramar Rd. Mesa top on clay barren in opening of chamise chaparral near vernal pool.
117
Comment
SD164541
Pentachaeta aurea
Fred M. Roberts
2001-5-2
5449
San Diego
La Jolla Valley: 4S Ranch MSCP parcel, 0.4 km SSW Sol Survey Marker. S-facing slope along ridge on clay barren in open, burned coastal sage scrub
213
Comment
UCSB52875
Pentachaeta aurea
Roberts, Fred; Allen, R.
1983-3-27
Orange
Dana Point Headlands; north of Dana Strand Rd., 0.5 km. W Dana Point Harbor; 0.7 km. SSW Richard Henry Dana School
79
Comment
SD256367
Pentagramma triangularis
Jim Roberts
2015-2-11
80
San Diego
City of San Diego; Tecolote Canyon Natural Park; trail east from September Street entrance, about 230 yards SE of intersection September Street and Burgener Blvd.
53
Comment
RSA0065226
Pentagramma triangularis
G. Ross Robertson
s.n.
San Bernardino
Mentone.
609
Comment
IRVC20439
Pentagramma triangularis subsp. triangularis
Fred M. Roberts, K. G. Marsh
1983-5-26
1093
Orange
Dana Point Headlands: 0.5km W Dana Point Harbor; 0.8km SSW Richard Henry Dana School Southern Coastal
82
Comment
UCSB47969
Peritoma arborea
Roberts, Jr., Fred
1980-2-17
Orange
Dana bluffs along Scenic Drive Road, northwest of and above Dana Point Harbor, Dana Point
58
Comment
SD256489
Peritoma arborea var. arborea
Jim Roberts
2014-2-18
56
San Diego
City of San Diego; Del Cerro; Navajo Canyon Open Space; on north side of trail about 0.13 mi E of intersection Birchwood and Carthage Streets
96
Comment
RSA681281
Perityle emoryi
Fred M. Roberts, Andy Pinolo, Kam Muri
2003-5-3
5699
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side near crest of ridge east of lower Butteweg Canyon along the border trail, Tijuana River watershed.
305
Comment
SD233758
Perityle emoryi
Fred M. Roberts, A. Pinolo, K. Muri
2003-5-3
5699
San Diego
Peninsular Range, San Ysidro Mnts.: Otay Mountain, south side near crest of ridge east of lower Butteweg Canyon along the border trail, Tijuana River watershed
305
Comment
RSA0043359
Persicaria lapathifolia
Fred M. Roberts, Laura Cohen
2012-10-31
7716
Orange
San Joaquin Hills: Laguna Lake 1 (Upper Laguna Lake), north end. Laguna Coast Wilderness Park, ca. 5.1 km ENE Signal Hill.
113
Comment
UCSB39529
Persicaria lapathifolia
Roberts, Fred; Steele, Kelly
1981-10-9
Santa Barbara
at road crossing on extreme east of Central Basin Slope (Area 2C); More Mesa, along the Pacific Ocean, south of Atascadero Creek, adjacent to and west of Hope Ranch Park, ca. 3 km southeast of Goleta.
40
Comment
RSA718965
Petunia parviflora
Fred M. Roberts, Robert L. Allen
2006-10-8
6415
Orange
San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 03.km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch.
4
Comment
UCR209674
Petunia parviflora
Fred M. Roberts, Carol A. Roberts
1999-10-23
5252
Riverside
San Jacinto Valley, Mystic Lake, northeast shore near Gilman Hot Springs Road, c. 1.8 km southwest of Eden Peak
433
Comment
RSA539386
Phacelia brachyloba
Fred M. Roberts, Carol A. Roberts
1988-6-2
4043
Orange
Santa Ana Mtns: Maple Spirngs Truck Trail, 8.7km above Silverado Gate, 2.4km N Modjeska Peak.
1155
Comment
RSA588659
Phacelia brachyloba
Fred M. Roberts, Carol A. Roberts
1990-5-23
4648
Orange
West Fork, Upper Long Canyon, near Main Divide Truck Trail, 4.5km SE Los Pinos Peak.
756
Comment
HSC79312
Phacelia campanularia subsp. vasiformis
Roberta G. Robertson
1974-3-29
173
San Bernardino
Old Woman Mtns. E base, 111 air mi. ESE of Barstow, 19.2 mi. S of jct. Hwy. 66 and Sunflower Springs Rd., 3 mi. W of unnamed dirt rd.
1098
Comment
RSA679097
Phacelia cicutaria subsp. hispida
Fred M. Roberts
2003-6-25
5952
Orange
Santa Ana Mountains: Mojeska Peak in Upper Cold Springs Cyn., north of Main divide Truck Trail, 0.4 km ESE summit.
1471
Comment Read comments Jan 25 2007
IRVC28447
Phacelia cicutaria var. hispida
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5707
San Diego
Otay Mountain, south side near crest of ridge east of lower "Butteweg Canyon" along the border trail, Tijuana River watershed Peninsular Range, San Ysidro Mountains
305
Comment
SD234887
Phacelia cicutaria var. hispida
Fred M. Roberts, Andy Pinolo, Kam Muri
2003-5-3
5707
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side near crest of ridge east of lower Butteweg Canyon along the border trail, Tijuana river watershed.
305
Comment
UCR128854
Phacelia cicutaria var. hispida
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5803
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
470
Comment
RSA539411
Phacelia curvipes
Fred M. Roberts, Carol A. Roberts
1988-6-9
4070
Orange
Santa Ana Mountains: Main Divide Truck Trail, Modjeska Peak, west slope, 0.5 km NNW summit.
1417
Comment
RSA751985
Phacelia distans
Fred M. Roberts
2008-3-26
6800
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor).
75
Comment
UCR215310
Phacelia distans
Fred M. Roberts
2008-3-26
6800
Orange
South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near NE gate, 0.5 km west of Marine Institute, Dana Point Harbor
75
Comment
UCR224159
Phacelia distans
Fred M. Roberts
2008-3-20
6789
Orange
South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor
60
Comment
RSA542476
Phacelia distans
Fred M. Roberts, T. Sholars
1988-3-29
3877
Orange
San Joaquin Hills: Laguna Canyon along Laguna Canyon road, 2kim by road N Pacific Coast Hwy, 2.1km E guna Survey Marker.
34
Comment
RSA542474
Phacelia minor
Fred M. Roberts
1988-3-15
3851
Orange
Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark.
149
Comment
RSA552939
Phacelia minor
Fred M. Roberts, Carol A. Roberts
1989-4-20
4296
Orange
Santa Ana Mtns: Upper Lion Canyon along San Juan Trail just south of Blue Jay Campground, 2.5km SE Los Pinos Peak.
980
Comment
UCSB48211
Phacelia minor
Roberts, Jr., Fred
1981-5-3
Orange
Santa Ana Mtns.; Hot Springs Canyon, 1.3 km. NNE San Juan Guard Station
276
Comment
RSA0126619
Phacelia parryi
Fred M. Roberts
2012-4-24
7515
Orange
San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak.
179
Comment
RSA788910
Phacelia parryi
Fred M. Roberts
2008-6-26
7062
Orange
Lomas de Santiago: Loma Ridge along West Loma Ridge Road, c.a. 1 km N Haul Rd., 2.5 km NNW Bee Peak, Irvine Ranch Land Conservancy.
382
Comment
UCSB52927
Phacelia parryi
Roberts, Jr., Fred
1983-3-16
Orange
Laguna Beach; Sycamore Hills, central ridge, 1.1 km. NNE jct. El Toro and Laguna Canyon Rds.; 5.4 km. ESE Signal Peak
156
Comment
RSA773554
Phacelia ramosissima var. latifolia
Fred M. Roberts
2008-6-3
7030
Orange
Lomas de Santiago: Loma Ridge, East Fork Rattlesnake Canyon, ca. 2.6 km NE of Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak
235
Comment
IRVC22741
Phalaris aquatica
Fred M. Roberts
1985-5-15
1802
Orange
El Toro Canyon, El Toro Rd., 1.1km NE jct. Laguna Canyon Rd., Aliso Viejo
88
Comment
UCR162952
Phalaris lemmonii
Fred M. Roberts, R. E. Riefner Jr.
2005-3-31
6139
Riverside
Upper Salt Creek, W of Hemet, 200m east of Calif. Rd and 300m south of Stetson Rd, 1.8km WSW Ryan Field
456
Comment
IRVC22183
Phalaris minor
Fred M. Roberts
1985-4-11
1642
Orange
Dana Point Headlands; Weyerhaeuser Horticultural Research Station property. Southern Coastal
61
Comment
RSA0027433
Phalaris minor
Fred M. Roberts
2013-7-18
7667
Orange
San Joaquin Hills: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill.
52
Comment
UCR128519
Phalaris minor
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5709
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed
305
Comment
UCSB47955
Phalaris minor
Roberts, Dar
1980-5-4
Orange
Camino Capistrano Rd. below bridge (Crown Valley Pkwy.)
30
Comment
RSA708230
Phalaris paradoxa
Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts
2005-4-10
6163
Orange
Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos).
24
Comment
RSA615547
Phoenix canariensis
Fred M. Roberts
1997-10-22
5051
Orange
Bolsa Chica saltmarsh: north of Garden Grove East Wintersburg Channel, 0.6 km S Chica Survey Marker.
0
Comment
RSA708721
Phoenix dactylifera
Fred M. Roberts, Robert L. Allen, Chris Barnhill
2004-8-21
6115
Orange
Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74.
214
Comment
CAS-BOT-BC222642
Pholistoma auritum var. auritum
Robert Robertson
1954-5-17
158
Santa Clara
S. of Stanford University golf course
36
Comment
SD164452
Pholistoma racemosum
Fred M. Roberts
2001-4-9
5404
San Diego
Jamul Mtns.: SW slopes, NE of Upper Otay Lake, 5.4 km SE summit Mother Miguel Mtn. Otay Lakes North MSCP parcel. Knoll along ridge on mostly gentle SW-facing slope in rocky, open coastal sage scrub and annual grassland
309
Comment
UCR128558
Pholistoma racemosum
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5743
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
RSA701967
Phoradendron macrophyllum subsp. macrophyllum
Fred M. Roberts
2003-6-20
5929
Orange
Rancho Mission Viejo: Donna O'Neil Land Conservancy, Cristianitos Cyn., along Shady Canyon Trail, 84 meters N Sycamore Gate and 50 meters W Cristianitos Rd.
101
Comment
RSA0127348
Physalis crassifolia
Fred M. Roberts
2016-5-3
8051
Orange
City of Irvine: San Joaquin Hills, Turtle Rock Community above Ridgeline Road, 0.7 km ESE summit of French Hill.
107
Comment
SEINET5341638
Physaria kingii subsp. kingii
J. Robertson, Y. Robertson
1979-6-21
s.n.
Mono
Toiyabe NF, 19 miles from NF boundary; 20.6 miles from Hwy 182, 2.8 miles from Masonic upper Town.
2682
Comment
UCR128856
Pickeringia montana subsp. tomentosa
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5804
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
470
Comment
IRVC21696
Picris echioides
Fred M. Roberts
1984-8-6
1367
Orange
UC Irvine, along Adobe Circle Road, 0.9km ENE campus center; 2.3km W French Hill, Irvine
30
Comment
RSA703088
Picris echioides
Fred M. Roberts, Art Davenport
2003-9-11
6006
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road.
126
Comment
RSA708231
Pilularia americana
Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts
2005-4-10
6160
Orange
Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center., (Canyon Sch. on topos).
24
Comment
UCR162943
Pilularia americana
Fred M. Roberts
1995-5-24
4944
Riverside
Hemet, Upper Salt Creek drainage, N of Florida Avenue (State Route 74) and west of Warren Road, c. 1.6 km NW Ryan Field
548
Comment
UCSB50115
Pinus balfouriana
Roberts, Fred
1981-5-10
Inyo
End of Onion Valley Road, Sierra Nevada Mountains
3018
Comment
IRVC20775
Pinus coulteri
Fred M. Roberts
1980-5-3
68
Orange
Main Divide Truck Trail, 0.6km SE Trabuco Peak, Santa Ana Mountains
1259
Comment
RSA731002
Pinus coulteri
Fred M. Roberts, B. Allen, D. Olsen
2007-1-19
6504
Orange
Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak.
852
Comment
UCSB47634
Pinus coulteri
Roberts, Fred
1980-5-3
Orange
On west side of road; Main Divide Truck Trail, 0.6 km. southeast of Trabuco Peak, Santa Ana Mtns.
1259
Comment Read comments Nov 8 2007
RSA539395
Pinus radiata
Fred M. Roberts, Carol A. Roberts
1988-11-3
4163
Orange
Santa Ana Mtns.: Upper Trabuco Canyon near Main Divide Truck Trail, 1.3km NE Los Pinos Peak
1268
Comment
RSA550612
Piperia cooperi
Fred M. Roberts, Carol A. Roberts
1989-4-20
4308
Orange
Santa Ana Mountains: upper Lion Canyon along San Juan Trail just S of Blue Jay Campground, 2.5kilometers SE Los Pinos Peak.
1000
Comment
RSA749312
Piperia cooperi
Fred M. Roberts
1999-4-22
5193
Orange
Lomas de Santiago: ridges between Limestone Cyn. and Santiago Creek wash opposite mouth Williams Cyn., 2.0 km SE Silverado Sch. and 2.2 km NNW Bolero Lookout.
400
Comment
RSA725506
Piptatherum miliaceum
Fred M. Roberts
2007-9-11
6569
Orange
Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center.
83
Comment
RSA731802
Piptatherum miliaceum
Fred M. Roberts, Sandy Leatherman
2007-11-9
6637
Orange
Santa Ana Mtns.: San Juan Canyon, Lower San Juan Picnic Ground.
408
Comment
UCSB36166
Piptatherum miliaceum
Roberts, Dar
1980-5-29
Santa Barbara
S. end of bike bridge, above Goleta slough near main entrance to UCSB from freeway
6
Comment
UCSB48027
Piptatherum miliaceum
Roberts, Fred
1980-7-7
Orange
Santa Ana Mts.; San Juan Canyon, Calif. Rte. 74, 2.2 km. ENE San Juan Guard Station; 0.6 km. W Bench Mark 1100
305
Comment
UCSB48208
Piptatherum miliaceum
Roberts, Fred
1981-7-8
Orange
Rancho Mission Viejo; Calif. Rte. 74, 9.2 km. ENE San Juan Capistrano
100
Comment
UCR128857
Pityrogramma triangularis var. viscosa
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5806
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
470
Comment
SD164520
Plagiobothrys collinus var. gracilis
Fred M. Roberts
2001-4-9
5412
San Diego
Jamul Mtns.: SW slopes, NE of Upper Otay Lake, 5.4 km SE summit Mother Miguel Mtn. Knoll along ridge on gentle SW-facing slope in rocky, open coastal sage scrub and annual grassland
309
Comment
UCR114956
Plagiobothrys leptocladus
Fred M. Roberts
1992-4-25
4869
Riverside
San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester
455
Comment
UCR162957
Plagiobothrys leptocladus
Fred M. Roberts, D. E. Bramlet
2005-4-1
6153
Riverside
Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field
457
Comment
UCR211730
Plagiobothrys leptocladus
Fred M. Roberts, D. E. Bramlet
2005-5-5
6180
Riverside
Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road
458
Comment
RSA542654
Plagiobothrys nothofulvus
Fred M. Roberts
1988-4-10
3903
Orange
Lomas De Santiago: Loma Ridge, Upper Limestone Canyon, c.a. 3.2 kilometer NNW Bolero Lookout.
347
Comment
SD185605
Plagiobothrys nothofulvus
Laurie Roberts, Lane McClelland
2006-5-2
5
San Diego
Descanso. Just N of I-8, ca. 1 1/3 mi E of its intersection with SR-79.
1098
Comment
UCSB48118
Plagiobothrys nothofulvus
Roberts, Fred
1982-4-3
Orange
Rancho Mission Viejo: Calif. 47; 7.2 km. by road E San Juan Capistrano; 1.3 km NE Viejo Survey Marker
98
Comment
RSA588771
Plagiobothrys tenellus
Fred M. Roberts, Carol A. Roberts, D. E. Bramlet
1990-5-6
4593
Orange
Santa Ana Mnts.: Chiquito Basin, San Juan Trail, c.a. 2.5 km SSE Los Pinos Peak.
915
Comment
UCR211722
Plantago coronopus
Fred M. Roberts
2005-5-26
6211
Riverside
Perris Basin, San Jacinto Valley, city of San Jacinto, between the Ramona Expressway and Ramona Blvd, 0.2 km north of the latter, 1.9 km southwest of Gilman Hot Springs
442
Comment
UCR162939
Plantago elongata
Fred M. Roberts, D. E. Bramlet
2005-4-1
6148
Riverside
Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field
457
Comment
RSA542449
Plantago erecta
Fred M. Roberts
1988-3-15
3868
Orange
Rancho Mission Viejo: Central Gabino Canyon, 7km E Playa Survey Marker,
162
Comment
RSA681952
Plantago erecta
Fred M. Roberts, D. E. Bramlet
2003-3-7
5564
Orange
Donna O'Neill Land Conservancy; West slopes of Christianitos Canyon, Middle Ridge Trail, 0.1km NW Gato Gate.
123
Comment
UCR209373
Plantago erecta
Fred M. Roberts, Linda Farley
2008-3-28
6815
Orange
Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, east fork along ridge just west of SR 241, 3.4 km east of Robber's Peak
437
Comment
UCSB47575
Plantago erecta
Roberts, Fred
1980-4-3
Orange
1.0km NE Dana Hills High School; Dana Point
75
Comment
SD188133
Plantago lanceolata
Laurie Roberts, Lane McClelland
2006-5-29
20
San Diego
Descanso. NW base of Guatay peak, along Old Highway 80, just NE of its intersection with SR- 79.
1098
Comment
UCSC008957
Plantago lanceolata
Madison Roberts
2015-2-9
MR 1
Santa Cruz
Santa Cruz, UCSC Campus, grassland in front of Faculty Housing
Comment
UCSB53374
Plantago major
Roberts, Dar
1983-7-23
Inyo
Fish Slough: a desert wetland system 4.5 mi. north of Bishop; at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis
1341
Comment
UCSB52420
Plantago major
Roberts, Fred; Marsh, K.
1982-10-18
Orange
Laguna Beach; east flank of Temple Hill, along east margin of Top of the World School
295
Comment
RSA688865
Plantago virginica
Fred M. Roberts, D. E. Bramlet
2003-4-10
5654
Orange
Rancho Mission Viejo: Donna O'Neill Land conservancy, ridges west of Christianitos Cyn., 1.41km SW Gato Gate and 1.19km W Christianitos Rd. Along south-running ridge on old dirt road.
184
Comment
RSA747622
Platystemon californicus
Fred M. Roberts
2008-4-16
6910
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, 0.8 km W Marine Institute, Dana Point Harbor.
45
Comment
SD263779
Pluchea odorata var. odorata
Jim Roberts
2014-11-24
74
San Diego
City of San Diego; Ruffin Canyon Open Space; about 105 yards ESE of intersection Gramercy Street and Pasternack Place; west of Taft Middle School in wet ground
98
Comment
CAS-BOT-BC254544
Poa douglasii
Robert Robertson
1954-5-1
128
San Mateo
At back of beach N of San Gregorio Creek
6
Comment
SEINET7843700
Poa leptocoma
J. Robertson, Y. Robertson
1979-7-18
s.n.
Mono
North Fork, Sweetwater Cr. Crek bank at trail crossing
2804
Comment
IRVC22697
Poa scabrella
Fred M. Roberts
1985-5-9
1762
Orange
Santa Ana Mountains: Upper McVicker Canyon, 1.8km NE Los Pinos Peak. Peninsular Ranges
1113
Comment
IRVC24561
Poa secunda
Fred M. Roberts
1986-4-11
2782
Orange
San Juan Canyon, Hwy 74, 1.2km SSW Lower San Juan Picnic Ground, Santa Ana Mountains
378
Comment
IRVC25406
Poa secunda
Fred M. Roberts
1987-4-3
3330
Orange
San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal
107
Comment Read comments Feb 17 2017
RSA542546
Poa secunda
Fred M. Roberts
1988-2-18
3804
Orange
Lomas de Santiago: Ridge west of Irvine Lake, 1.0 km NW Santiago Dam spillway
244
Comment
RSA542549
Poa secunda
Fred M. Roberts
1988-2-9
3777
Orange
Lomas de Santiago: Loma Ridge, 1.3 km N Bee Survey Mark., UTM 3733600m N, 434800m E
381
Comment
UCSB36167
Poa secunda subsp. juncifolia
Roberts, Dar
1980-5-22
Kern
3 miles E on Calif. 155 from junct. with Bakersfield-Glennville Rd.
850
Comment Read comments Nov 14 2014
RSA704935
Poa secunda subsp. secunda
Fred M. Roberts, David E. Bramlet
2004-4-21
6033
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Shady Canyon, tributary to Cristianitos Cyn., 0.55 km NW Sycamore Gate, 0.58 km W of Cristianitos Road.
134
Comment
RSA749472
Poa secunda subsp. secunda
Fred M. Roberts, Linda Farley
2008-3-28
6827
Orange
Santa Ana Mtns.: Upper Weir Cyn., Irvine Ranch Conservancy, 3.3 km ENE Robbers Peak on ridge north of canyon.
427
Comment
UCR209369
Poa secunda subsp. secunda
Fred M. Roberts, Linda Farley
2008-3-28
6827
Orange
Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon
427
Comment
RSA716658
Polycarpon tetraphyllum
Fred M. Roberts
2005-5-13
6187
Orange
San Juan Capistrano; Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano.
54
Comment
UCSB50635
Polygala californica
Roberts, Fred
1982-7-9
Orange
SANTA ANA MTNS.: Upper Hot Springs Canyon, 0.1km SW Falcon Group Camp: 2.0km SE Los Pinos Peak
327
Comment
RSA743378
Polygonum aviculare
Fred M. Roberts
2008-4-9
6858
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor).
52
Comment
UCSB48371
Polygonum aviculare
Roberts, Fred
1982-5-22
Orange
DANA POINT: jct. of Stone Hill and Selva Rds 1.0km ESE Dana Hills High School; 1.7km SW Marco Forster Junior High School
12
Comment
RSA666101
Polygonum aviculare subsp. aviculare
Fred M. Roberts, Michelle Lee
2001-6-4
5485
Orange
Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. (Canada Gobernadora.
226
Comment
RSA717156
Polygonum lapathifolium
Fred M. Roberts, Chris M. Barnhill
2005-9-27
6274
Orange
San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4 km E Mission San Juan Capistrano.
27
Comment
RSA731907
Polygonum lapathifolium
Fred M. Roberts, Sandy Leatherman
2007-11-27
6672
Orange
Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge.
113
Comment
RSA731931
Polygonum lapathifolium
Fred M. Roberts, Sandy Leatherman
2007-11-27
6679
Orange
Yorba Linda: drainage channel on east side of Amberdale Dr. c.a. 0.3km S Fairmont Blvd.
118
Comment
RSA731946
Polygonum lapathifolium
Fred M. Roberts, Sandy Leatherman
2007-11-27
6689
Orange
Yorba Linda: drainage channel on east side of Amberdale Dr. c.a. 0.3km S Fairmont Blvd.
118
Comment
RSA542468
Polygonum lapathifolium
Fred M. Roberts, Gordon A. Marsh
1987-8-31
3588
Orange
Santa Ana River: adjacent to Santa Ana, 0.6km S Edinger bridge.
14
Comment
CAS-BOT-BC109243
Polygonum paronychia
Robert Robertson
1954-5-1
120
San Mateo
Pebble Beach.
4
Comment
IRVC20354
Polypodium californicum
Fred M. Roberts
1983-3-10
880
Orange
Dana Point headlands: south of old cove road on cliff at west margin of Dana Point Harbor; 0.8km s of Richard Henry Dana School. Southern Coastal
50
Comment
IRVC22502
Polypodium californicum
Fred M. Roberts
1985-5-1
1692
Orange
Aliso Canyon, 2.1km NNE Aliso Peak, Aliso Viejo
67
Comment
RSA699746
Polypodium californicum
Fred M. Roberts, D. E. Bramlet
2003-5-15
5873
Orange
Rancho Mission Viejo; Donna O Neill Land Conservancy Cristianitos Cyn, 1.41 km SSW Gato Gate and 0.35 km NNW of SDG&E substation.
122
Comment
RSA747625
Polypodium californicum
Fred M. Roberts
2008-4-16
6907
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor.
45
Comment
SBBG54791
Polypodium californicum
D. Roberts
1981-3-25
Santa Barbara
ca. 0.5 km E of East pine forest; 1.1 km SE of Chinese Harbor
Comment
UCR128553
Polypodium californicum
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5815
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.5 mi. WSW of peak 2242, south of peak 1517
396
Comment
UCR209348
Polypodium californicum
Fred M. Roberts
2008-4-14
6890
Orange
Santa Ana Mountains, Upper Weir Canyon, east fork, 3.4 km eat of Robbers Peak, Irvine Ranch Conservancy
433
Comment
UCSB47608
Polypodium californicum
Roberts, Fred
1980-5-3
Orange
Santa Ana Mtns., San Juan Cayon near mouth of Viejo Canyo, below Rte. 74, 2.5km by road ENE San Juan Guard Station, 0.5km WSW Bm 1100
288
Comment
IRVC21306
Polypodium californicum
Fred M. Roberts
1984-1-29
1160
Orange
Laguna Niguel: Niguel Hill, 1.1km ENE of Aliso Peak, 2.0km SW of Alicia Fire Station. Southern Coastal
260
Comment
UCSB36137
Polypodium californicum
Roberts, Dar
1980-2-2
Santa Barbara
4.2 mi from 101 junction on Refugion Rd, Santa Ynez Mtns.
200
Comment
UCSB38444
Polypodium californicum
Roberts, Dar
1981-3-25
Santa Barbara
About 0.5km east of East Pine Forest; 1.1km southeast of Chinese Harbor,Santa Cruz Island
366
Comment
POM906
Polypodium hesperium
G. Ross Robertson
1906-08
s.n.
San Bernardino
''Dobbs Camp'' on Vivian Creek, on trail to Greyback Mt.. San Bernardino Mountains
2225
Comment
IRVC23141
Polypogon interruptus
Fred M. Roberts
1985-7-10
2006
Orange
Capistrano Beach: San Juan Creek, 0.5km from the ocean, 0.2km N of Pacific Coast Highway. southern coastal
2
Comment
IRVC22900
Polypogon monspeliensis
Fred M. Roberts
1985-6-12
1903
Orange
Laguna Niguel: Alicia Pkwy, 2.1km by road SW La Paz Rd., 1.0km W Sulphur Creek Reservoir. Southern Coastal
67
Comment
IRVC25048
Polypogon monspeliensis
Fred M. Roberts
1986-8-21
3062
Orange
Mission Viejo: English Canyon along English Creek just below Trabuco Road crossing, about 2.4km E El Toro Fire Station. southern coastal
166
Comment
RSA0058185
Polypogon monspeliensis
Fred M. Roberts
2014-4-21
7871
Orange
South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin.
113
Comment
RSA708227
Polypogon monspeliensis
Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts
2005-4-10
6166
Orange
Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos).
24
Comment
UCSB36120
Polypogon monspeliensis
Roberts, Dar
1980-5-4
Orange
North end of Camino Capistrano Rd., 2nd telephone pole from the end (near the sewage treatment plant)
30
Comment
RSA747709
Polypogon viridis
Fred M. Roberts
2008-5-16
6987
Orange
Dana Point: Dana Point Hradland, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor.
75
Comment
UCSB36134
Polypogon viridis
Roberts, Dar
1980-5-31
Ventura
1/2 mile E. Ozena Campground
1220
Comment
IRVC25447
Polystichum imbricans subsp. curtum
Fred M. Roberts, K. G. Marsh
1987-5-14
3439
Orange
Santa Ana Mtns: Upper Trabuco Canyon, Trabuco Canyon Trail, 1.3km NE Los Pinos Peak. Peninsular Ranges
1231
Comment
RSA542522
Polystichum imbricans subsp. curtum
Fred M. Roberts, R. E. Riefner
1988-7-19
4121
Orange
Santa Ana Mtns: Modjeska Peak, W slope, along old abandoned road, 0.2 km W summit.
1592
Comment
RSA679095
Polystichum imbricans subsp. curtum
Fred M. Roberts
2003-6-25
5950
Orange
Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit.
1605
Comment
UCSB47640
Polystichum imbricans subsp. curtum
Roberts, Fred
1980-5-3
Santa Barbara
Main divide Truck Trail, on E side of road, 0.4km W Trabuco Peak, Santa Ana Mtns.
408
Comment
CAS-BOT-BC72488
Polystichum scopulinum
Mrs. Geo. Robertson
1906-7-1
s.n.
San Bernardino
Snow Canyon
Comment
POM812
Polystichum scopulinum
G. Ross Robertson
1906-08
s.n.
San Bernardino
San Bernardino Mountains: Fern Canyon branch Mill Creek in South Mountain,
2286
Comment
UCR215294
Populus fremontii subsp. fremontii
Fred M. Roberts
2008-5-20
6991
Orange
Lomas de Santiago, Santiago Creek wash north of Hangman Tree Road near confluence of Pancho Canyon, 1.6 km NW of Bolero Lookout. Irvine Ranch Conservancy.
349
Comment
UCSB48128
Populus fremontii subsp. fremontii
Roberts, Fred
1981-4-12
Orange
Santa Ana Mountains: San Juan Canyon, Hwy 74, 1.3km by road E San Juan Guard Station; 0.9km SE Juan Rancho Survey Mark
89
Comment
RSA650675
Populus fremontii var. fremontii
Jeni L. Roberts
1991-5-5
18
San Bernardino
Within Victorville City Limits. 2.5 miles N/W of I-15 on National Trails Highway.
Comment
RSA588882
Porophyllum gracile
Fred M. Roberts, D. Bontrager
1990-6-5
4673
Orange
Rancho Mission Viejo: Uper Gabino Canyon, near Orange County line, 3.9 kilometers E Point Ranch Survey Marker.
280
Comment
CAS-BOT-BC141935
Potentilla anserina subsp. pacifica
Robert Robertson
1954-4-17
85
San Mateo
By stream near coast north of Moss Beach (Montara)
4
Comment
SEINET6637675
Potentilla gracilis var. fastigiata
J. Robertson, Y. Robertson
1979-7-18
s.n.
Mono
Sweetwater Mountains, north fork Sweetwater Creek
2804
Comment
RSA0127595
Primula clevelandii var. clevelandii
Fred M. Roberts
2016-3-17
8025
Orange
San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp.
314
Comment
RSA542402
Prunus ilicifolia
Fred M. Roberts Jr., Carol A. Williams
1988-3-8
3826
Orange
San Juan Canyon, Hwy 74, 1.2 km SSW Lower San Juan Picnic Ground.
378
Comment
UCD113501
Prunus ilicifolia
Warren Roberts
1973-9-20
s.n.
Santa Barbara
Santa Cruz Island. 0.4 mile west of summit of Picacho del Diablo.
Comment
UCR128381
Prunus ilicifolia
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5735
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
SD235012
Prunus ilicifolia subsp. ilicifolia
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5735
San Diego
Peninsular Range, San Ysidro Mountains: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River watershed )Otay Mountain 7.5' Q)
167
Comment
UCSB38446
Prunus ilicifolia subsp. lyonii
Roberts, Dar; Kiehn, David
1981-3-25
Santa Barbara
Los Pinos del Sur. Santa Cruz Island.
274
Comment
UCSB53667
Psathyrotes annua
Roberts, Dar
1984-4-28
Mono
Fish Slough; a desert wetland system 4.5 mi. north of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis; 2.7 miles S of Rocked-in-Spring on E side of slough at BLM Spring
1341
Comment
SD192367
Pseudognaphalium beneolens
Fred Roberts, Carol A. Roberts
2006-10-15
6446
San Diego
Miramar Marine Corps Air Station: Rose Cyn., south of Miramar Way between Schilt Rd. and Obregon Ave.
135
Comment
RSA684306
Pseudognaphalium biolettii
Fred M. Roberts
2003-3-13
5589
Orange
Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1,320m NW Sycamore Gate and 880m W Cristianitos Rd.
179
Comment
RSA747633
Pseudognaphalium biolettii
Fred M. Roberts
2008-5-16
6980
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor.
45
Comment
RSA0126623
Pseudognaphalium californicum
Fred M. Roberts
2012-4-24
7506
Orange
San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak.
179
Comment
UCR239639
Pseudognaphalium californicum
Fred M. Roberts
2012-4-24
7506
Orange
San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak
179
Comment
RSA0089199
Pseudognaphalium luteoalbum
Fred M. Roberts
2014-4-21
7856
Orange
South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin.
113
Comment
SEINET5710238
Pseudognaphalium luteoalbum
Warren Roberts
1963-1
s.n.
Monterey
Roberts Valley Ranch, 4 miles north of Carmel Valley.; Carmel Valley
625
Comment
UCSB48012
Pseudognaphalium microcephalum
Roberts, Jr., Fred
1980-9-14
Orange
Santa Ana Mtns.; San Juan Canyon, 0.6 km. SW Lower San Juan Picnic Ground; 1.9 km. WNW Sitton Peak
410
Comment
CAS-BOT-BC361472
Pseudognaphalium stramineum
Robert Robertson
1954-5-8
131
Monterey
E. of Carmel Cove, Point Lobos
15
Comment
UCR215313
Pseudognaphalium stramineum
Fred M. Roberts
2008-3-27
6804
Orange
South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west Marine Institute, Dana Point Harbor
75
Comment
IRVC20774
Pseudotsuga macrocarpa
Fred M. Roberts
1980-5-3
63
Orange
Main Divide Truck Trail, 0.4km W Trabuco Peak. Santa Ana Mountains
1341
Comment
RSA716772
Pseudotsuga macrocarpa
Fred M. Roberts, Michelle Balk, Robert Allen, Megan Enright
2004-7-18
6256
Orange
Santa Ana Mtns.: Upper Trabuco Cyn. along Trabuco Cyn. Trail, 1.3km NE Los Pinos Pk. and c.a. 0.25km by trail from Main Divide Truck Trail.
1245
Comment
UCSB47639
Pseudotsuga macrocarpa
Roberts, Fred
1980-5-3
Orange
Main Divide Truck Trail, on east side of road, 0.4 km. W Trabuco peak, Santa Ana Mtns.
1341
Comment
UCR114955
Psilocarphus brevissimus var. brevissimus
Fred M. Roberts
1992-4-25
4867
Riverside
San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester
455
Comment
RSA795555
Psilocarphus tenellus
D. Roberts, W. R. Ferren, F. Roberts
1983-4-16
LP- 367
Santa Barbara
Roadside margins 425 m west of junction of service roads at southeast corner of mesa, west side of park. La Purisima Mission State Historic Park, 2 km NE of Lompoc City Limit.
Comment
RSA588710
Psilocarphus tenellus
Fred M. Roberts
1990-5-22
4640
Orange
Santa Ana Mountains; Upper Hot Springs canyon, just west of Falcon Group Camp, 1.9km ESE Los Pinos Peak.
994
Comment
RSA649967
Psorothamnus arborescens var. arborescens
Jeni L. Roberts
1991-5-5
27
San Bernardino
Within Victorville City Limits. 2.5 miles N/W of I-15 on National Trails Highway.
Comment
RSA588892
Pteridium aquilinum var. pubescens
Fred M. Roberts
1990-6-4
4662
Orange
Santa Ana Mts. Hall Canyon, 1.8 km NNW Mustand Spring at east edge of flying B Ranch.
421
Comment
RSA678493
Pterostegia drymarioides
Fred M. Roberts, Robert L. Allen, Carol Roberts
2003-5-11
5850
Orange
Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive.
76
Comment
RSA737547
Pterostegia drymarioides
Fred M. Roberts
2008-3-12
6714
Orange
Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor).
50
Comment
SD233345
Pterostegia drymarioides
Fred M. Roberts
2008-3-12
6714
Orange
Dana Point: Dana Point Headlands CNLM Preserve, western side, ca. 0.8 km W Marine Institute (Dana Point Harbor).
49
Comment
SD233909
Pterostegia drymarioides
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5728
San Diego
Peninsular Range, San Ysidro Mountains: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River watershed (Otay Mtn. 7.5' Q)
167
Comment
RSA542463
Pterostegia drymarioides
Fred M. Roberts
1987-3-27
3279
Orange
Canada De Los Alisos: above Canada Rd., 4.5 km NNE El Toro Fire Station.
226
Comment
UCSB40762
Pterostegia drymarioides
Roberts, Dar; Fletcher, Martin
1981-3-23
Santa Barbara
1 km. north of Field Station, Santa Cruz Island.
213
Comment
UCSB40766
Pterostegia drymarioides
Roberts, Fred
1981-3-24
Santa Barbara
Frazer Point, Santa Cruz Island
7
Comment
IRVC25158
Pulicaria paludosa
Fred M. Roberts
1986-9-3
3127
Orange
adjacent to Anaheim, between Yorba Linda Regional Park and Imperial Hwy, Santa Ana River
88
Comment
RSA679099
Pulicaria paludosa
Fred M. Roberts
2003-7-24
5964 `
Orange
San Juan Capistrono: San Juan Creek, c.a. 0.1 km NE La Novia Bridge. Along creek on cobbly sand of wash in open southern willow scrub and mulefat scrub.
27
Comment
RSA718967
Pulicaria paludosa
Fred M. Roberts, Robert L. Allen
2006-10-8
6413
Orange
San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch.
4
Comment
RSA0041475
Pulicaria paludosa
Fred M. Roberts, Robert L. Allen
1985-8-19
2163
Orange
Mission Viejo: English Creek near confluence of Aliso Creek, 1.1km E E1 Toro Fire Station.
138
Comment
UC1597259
Quercus
Fred M. Roberts Jr. and Carol A. Roberts
1989-4-7
4264
Orange
0.4 km w West Moulton Peak; Aliso-Wood Canyon Regional Park, Upper Wood Canyon
104
Comment
UCSB52413
Quercus X acutidens
Roberts, Fred
1981-11-15
Orange
Santa Ana Mtns.: San Juan Canyon, Hwy 74, across road from entrance to Lower San Juan Picnic Ground
436
Comment
RSA716101
Quercus X kinseliae
Fred M. Roberts, Dar Roberts, Marianne Wampler, Carol Roberts
1994-10-2
4922
Santa Barbara
Santa Barbara: Rattlesnake Cyn., along Las Canaos Road at Skofield Park.
258
Comment
UCD46921
Quercus X macdonaldii
Warren Roberts; Dick Hildreth and Karl Raven
1973-9-19
SCI73 20
Los Angeles
Santa Cruz Island.
Comment
IRVC20824
Quercus agrifolia var. agrifolia
Fred M. Roberts
1982-7-25
784
Orange
South Laguna; Niguel Hill, canyon on S flank; 0.9km ESE Aliso Peak; 1.1km NNW Bench Mark 133 Southern Coastal
195
Comment
IRVC22517
Quercus agrifolia var. agrifolia
Fred M. Roberts
1985-4-30
1677
Orange
Laguna Beach: Temple Hill; at margin of "Dripping Springs Canyon"; 0.4km NNE Top of the World School. Southern Coastal
255
Comment
RSA702202
Quercus agrifolia var. agrifolia
Fred M. Roberts, David E. Bramlet
2003-6-20
5923
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary to Christianitos Cyn, along Back Road, 1.48 km WNW Sycamore Gate.
189
Comment
RSA725472
Quercus agrifolia var. agrifolia
Fred M. Roberts, Megan Lulow
2007-7-30
6546
Orange
Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area.
253
Comment
SD233976
Quercus agrifolia var. agrifolia
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5730
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River watershed. Canyon bottom along stream course.
167
Comment
UCSB48077
Quercus agrifolia var. agrifolia
Roberts, Fred
1981-4-11
Orange
Santa Ana Mtns., San Juan Canyon, Hwy 74, 2.7km ENE San Juan Guard Station
96
Comment
SD187977
Quercus agrifolia var. oxyadenia
Laurie Roberts, Lane McClelland
2006-5-2
2
San Diego
Descanso. Just N of I-8, ca. 1 1/3 mi E of its intersection with SR-79.
1098
Comment
IRVC23334
Quercus berberidifolia
Fred M. Roberts
1981-11-15
452
Orange
San Juan Canyon; N-side of Hwy 74; 0.3km SW Lower San Juan Picnic Ground Santa Ana Mountains
423
Comment
IRVC23335
Quercus berberidifolia
Fred M. Roberts
1983-3-16
913
Orange
Laguna Beach: Sycamore Hills, near El Toro Road, 1.2km NNE jct. El Toro and Laguna Canyon Roads; 5.4km ESE Signal Peak. Southern coastal
112
Comment
IRVC24544
Quercus berberidifolia
Fred M. Roberts, R. L. Allen
1985-8-19
2129
Orange
Mission Viejo: lateral to Engilish Canyon along Vista de Lago Drive; 3.4km ENE El Toro Fire Station. Southern Coastal
218
Comment
IRVC24545
Quercus berberidifolia
Fred M. Roberts, R. L. Allen
1985-8-19
2138
Orange
Mission Viejo: lateral to Engilish Canyon along Vista de Lago Drive; 3.4km ENE El Toro Fire Station. Southern Coastal
218
Comment
IRVC24546
Quercus berberidifolia
Fred M. Roberts, R. L. Allen
1985-8-19
2130
Orange
Mission Viejo: lateral to Engilish Canyon along Vista de Lago Drive; 3.4km ENE El Toro Fire Station. Southern Coastal
218
Comment
IRVC24551
Quercus berberidifolia
Fred M. Roberts
1983-10-9
1141
Orange
Laguna Beach: Temple Hill S of Upper Rancho Laguna Canyon near Del Mar Street. Southern Coastal
200
Comment
RSA0013859
Quercus berberidifolia
Fred M. Roberts
2012-5-10
7561
Orange
San Joaquin Hills: Buck Gully, S Fork, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive.
183
Comment
RSA590959
Quercus berberidifolia
Fred M. Roberts, Karlin G. Marsh
1991-4-10
4765
Orange
Laguna Beach: South Laguna, Temple Hill, ridge between upper Hobo Canyon and Aliso Gorge, 1.7 km NW Niguel Hill summit.
213
Comment
UCR246514
Quercus berberidifolia
Fred M. Roberts
2013-5-30
7779
Orange
Lomas de Santiago, Santiago Creek Wash, at Santiago Canyon Road bridge, south side, 0.3 km west of the junction of Silverado and Santiago Canyon Roads
299
Comment
UCR247908
Quercus berberidifolia
Fred M. Roberts
2013-6-7
7783
Riverside
Peninsular Ranges, SANTA ANA MTNS.: Tributary to Upper San Juan Canyon along Chiquito Basin Trail, 1.3 km NNW Upper San Juan Campground.
524
Comment
IRVC28043
Quercus cedrosensis
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5744
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
SD140564
Quercus cedrosensis
Fred Roberts, D. Kreager, Gail Kobetich
1996-8-15
4972
San Diego
San Ysidro Mtns; southwestern flank in unnamed canyon along U.S.-Mexican border, 0.7 km east-northeast Border Monument 251, 4.2 km south-southwest Otay Mtn;.
334
Comment
UCR128848
Quercus cedrosensis
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5744
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
IRVC22666
Quercus chrysolepis
Fred M. Roberts
1985-5-9
1727
Orange
Santa Ana Mountains: Upper McVicker Canyon, 1.8km NE Los Pinos Peak. Peninsular Ranges
1113
Comment
JEPS37375
Quercus chrysolepis
Rev. George Robertson
1903-11-26
62
San Bernardino
Lytle Creek
1066
Comment
UCD105628
Quercus chrysolepis
Warren Roberts; Dick Hildreth, Karl Raven
1973-9-20
SCI73 28
Santa Barbara
collected on north side of Picacho del Diablo, 100 ft from summit. Santa Cruz Island.
Comment
UCD45412
Quercus chrysolepis
Warren Roberts; Dick Hildreth and Karl Raven
1973-9-20
SCI73 26
Santa Barbara
1 Tree. 100 ft. down from Quercus chrysolepis (SCI73-25B). Santa Cruz Island.
Comment
UCD45537
Quercus chrysolepis
Warren Roberts; Dick Hildreth and Karl Raven
1973-9-20
SCI73 24 B
Santa Barbara
Collected on NW slope of Picacho del Diablo on volcanic rock. Santa Cruz Island.
Comment
IRVC22515
Quercus dumosa
Fred M. Roberts, Karlin G. Marsh
1983-5-26
1094
Orange
Dana Point Headlands: 0.5km W Dana Point Harbor; 0.8km SSW Richard Henry Dana School Southern Coastal
82
Comment
IRVC24553
Quercus dumosa
Fred M. Roberts, Gordon A. Marsh, Karlin G. Marsh
1988-4-26
3952
Orange
San Joaquin Hills: Pelican Hill; E slope above Los Trancos Canyon; 0.4km ESE Pelican Hill survey mark; N-facing slope of sandstone ridge. Southern Coastal
200
Comment
RSA743500
Quercus dumosa
Fred M. Roberts
2008-9-10
7097
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor.
75
Comment
SD135236
Quercus dumosa
Fred M. Roberts
1992-12-27
4853
San Diego
Carlsbad, Green Valley, Arroyo la Costa, along El Camino Real, ca. 2 km SSE of east end of Batiquitos Lagoon, on west-facing slope;
29
Comment
SD135238
Quercus dumosa
Fred Roberts
1992-10-20
4849
San Diego
Carlsbad; east of Evan's Point, 0.6 km east-northeast Agua Survey Marker (on Evan's Point)
54
Comment
SD135239
Quercus dumosa
Fred M. Roberts
1992-10-20
4848
San Diego
Carlsbad, south of & along Palomar Oaks Road, 3 km ESE of junction Palomar Airport Road & I-5, on north-facing slope;
52
Comment
UCR129347
Quercus dumosa
Fred M. Roberts, Karen Kirtland
1989-2-22
4183
Orange
San Joaquin Hills, Pelican Hill, 0.4 km ESE of summit
189
Comment
UCR182837
Quercus dumosa
Fred M. Roberts
2007-4-6
6509
San Diego
Southern Coast, Carlsbad, La Costa Greens Ecological Reserve, east side of El Camino Real c. 2 km south of Palomar Airport Rd.
79
Comment
UCR241915
Quercus dumosa
Fred M. Roberts
2012-5-10
7560
Orange
Peninsular Ranges; Coastal Foothills, San Joaquin Hills, south fork of Buck Gully, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive
183
Comment
UCSB52411
Quercus dumosa
Roberts, Fred
1982-7-8
Orange
LAGUNA NIGUEL: canyon near Pacific Island Dr., 1.4km ESE Aliso Peak: 1.1km NE Bench Mark 133
207
Comment
UCSB52929
Quercus dumosa
Roberts, Fred; Marsh, K.
1983-5-26
Orange
Dana Point Headlands; north of Dana Strand Rd., 0.5 km. W Dana Point Harbor; 0.8 km. SSW Richard Henry Dana School
82
Comment
JEPS37338
Quercus durata
Rev. George Robertson
1903-11-26
67
San Bernardino
Lytle Creek Old Baldy Mt.
Comment
SD196517
Quercus engelmannii
Fred Roberts, Debra Kinsinger
2007-6-14
6526
San Diego
Guatay, just east of Farley Flat, 150 m N of Old Hwy 80, 2.3 km ENE Guatay Pk.
1235
Comment
SD233854
Quercus engelmannii
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5753
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River watershed.
167
Comment
UCR220086
Quercus engelmannii
Fred M. Roberts
2010-5-17
7348
Los Angeles
San Gabriel Mountains foothills, Monrovia, southeast corner of Hillcrest Blvd and north Ivy Ave
234
Comment
UCSB52410
Quercus engelmannii
Roberts, Fred
1982-7-8
Orange
Laguna Niguel; canyon near Pacific Island Dr., 1.4 km. ESE Aliso Peak: 1.1 km. NE Bench Mark 133
207
Comment
RSA0119675
Quercus parvula var. tamalpaisensis
Fred M. Roberts
2016-1-10
7985
Marin
Mount Tamalpais: North slope, International Trail, 0.13 km east of Ridgecrest Blvd and 0.5 km NNE summit of West Peak.
683
Comment
RSA0119686
Quercus parvula var. tamalpaisensis
Fred M. Roberts
2016-1-10
7983
Marin
Mount Tamalpais: Panoramic Hwy., just west of Rattlesnake Creek and about 1.0 km NNE by air from Pan Toll Ranger Station.
396
Comment
RSA679225
Quercus wislizeni var. frutescens
Fred M. Roberts
2003-6-25
5946
Orange
Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit.
1605
Comment
RSA725579
Quercus wislizeni var. frutescens
Fred M. Roberts, Robert L. Allen, Trish Smith
2007-6-15
6535
Orange
Along dirt road on ridge between Fremont and Black Star Cyns., 5.2km ENE Irvine Lake Spillway and 1.7km W Hidden Ranch.
739
Comment
CAS-BOT-BC379080
Ranunculus aquatilis var. diffusus
Robert Robertson
1954-5-17
161
Santa Clara
at SW end of Lake Lagunita, Stanford University
37
Comment
RSA542414
Ranunculus californicus
Fred M. Roberts
1987-4-3
3347
Orange
Irvine: San Joaquin Hills, Central Shadey Canyon, 2.8 kilometers NE Signal Peak.
109
Comment
UCSB36141
Ranunculus californicus
Roberts, Dar
1980-3-7
San Luis Obispo
1.5 miles N.W. campus Cal Poly S.L.O., in Polly Canyon
140
Comment
UCSB39664
Ranunculus californicus
Roberts, Fred; Forbes, Holly
1982-2-13
Santa Barbara
0.5 miles west of road along ridge on north side, Point Sal State Beach.
335
Comment
RSA542415
Ranunculus hebecarpus
Fred M. Roberts, Karlin G. Marsh
1987-5-14
3447
Orange
Upper Trabuco Canyon, Trabuco Canyon Trail, 2 km NNW Los Pinos Peak
856
Comment
HSC18111
Ranunculus repens var. repens
S. J. Roberts
1965-4-8
9
Humboldt
2 mi. E of Mad River Park
Comment
RSA703880
Raphanus sativus
Fred M. Roberts, D. E. Bramlet
2004-4-21
6043
Orange
Rancho Mission Viejo: Donna O Neill Land Conservancy. Along Back Road in upper Shady Canyon, 1.74km NW Sycamore Gate, 1.23km W of Cristianitos Road.
180
Comment
SD164512
Rapistrum rugosum
Fred M. Roberts
2003-5-14
5866
San Diego
San Marcos: lot east of Pacific Road and north of San Marcos Blvd., San Marcos. Adjacent to vernal pool-like depression in non-native forb/annual grassland.
157
Comment
UCR241912
Rhamnus ilicifolia
Fred M. Roberts
2012-5-10
7562
Orange
Peninsular Ranges; Coastal Foothills, San Joaquin Hills, south fork of Buck Gully, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive
183
Comment
RSA743467
Rhaphiolepis indica
Fred M. Roberts, Carol A. Roberts
2008-9-28
7116
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
65
Comment
RSA0073655
Rhus integrifolia
Fred M. Roberts
2010-3-12
7184
Orange
Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center.
50
Comment
SD192168
Rhus integrifolia
Fred Roberts
2006-7-6
6352
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
SD192169
Rhus integrifolia
Fred Roberts, Carol A. Roberts
2006-10-15
6450
San Diego
Miramar Marine Corps Air Station: Rose Cyn., along west side of Schilt Rd. between Miramar Way and the Flightline.
135
Comment
SJSU10863
Rhus integrifolia
F. D. Robertson
1956-3-13
Santa Clara
above Penitencia Creek, Alum Rock Park, E San Jose foothills
Comment
UCR267191
Rhus integrifolia
Fred M. Roberts
2010-3-12
7184
Orange
Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center
50
Comment
RSA0041474
Rhus integrifolia
Fred M. Roberts, R. L. Allen
1985-8-19
2143
Orange
Mission Viejo: ridge, 3.5km ENE E1 Toro Fire Station.
279
Comment
RSA731004
Rhus ovata
Fred M. Roberts, B. Allen, D. Olsen
2007-1-19
6506
Orange
Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. Abandoned homestead with persistant conifer plantings, some species spreading into surrounding chaparral.
852
Comment
UCSB47593
Rhus ovata
Roberts, Fred
1980-4-5
Orange
Highway 74, San Juan Canyon, 0.4 km. SW Lower San Juan Picnic Ground, Santa Ana Mountains
390
Comment
RSA542519
Rhus trilobata var. quinata
Fred M. Roberts, G. A. Marsh
1986-8-27
3108
Orange
Santa Ana Mountains: Santiago Peak, Main Divide Truck Trail, 0.1km WNW Summit.
1620
Comment
IRVC28475
Rhynchelytrum repens
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5809
San Diego
Otay Mtn; head of cyn 2 miles NW of Otay Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
470
Comment
RSA679096
Ribes amarum
Fred M. Roberts
2003-6-25
5951
Orange
Santa Ana Mountains: Mojeska Peak in Upper Cold Springs Cyn., north of Main divide Truck Trail, 0.4 km ESE summit.
1471
Comment Read comments Jan 3 2007
UCSB36136
Ribes amarum
Roberts, Dar
1980-2-2
Santa Barbara
3.2 miles on Refugio Rd from 101 junc; Santa Ynez Mts
45
Comment
UCSB34463
Ribes amarum
Roberts, Fred
1980-2-2
Santa Barbara
On west side of Refugio Rd; 3.5km north of Highway 101; Sant Ynez Mtns
45
Comment
UCSB48367
Ribes indecorum
Roberts, Fred
1982-4-18
Orange
SANTA ANA MTNS; Hot Springs Canyon; 0.8km SW Falcon Group Camp
306
Comment
RSA0029942
Ribes malvaceum var. malvaceum
Fred M. Roberts, Sandy Leatherman
2013-2-13
7722
Orange
Santa Ana Mountains: Ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km SE Modjeska (town).
800
Comment
UCR246519
Ribes malvaceum var. malvaceum
Fred M. Roberts, Sandra L. Leatherman
2013-2-13
7722
Orange
Santa Ana Mountains, ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km southeast of the town of Modjeska
800
Comment
UCSB36162
Ribes malvaceum var. malvaceum
Roberts, Dar
1980-2-2
Santa Barbara
3.5 miles on Refugio Rd; from 101 junc; Santa Ynez Mts
170
Comment
UCSB47637
Ribes malvaceum var. viridifolium
Roberts, Fred
1980-5-3
Orange
Main Divide Truck Trail; 0.2km west of Trabuco Peak; Santa Ana Mtns
1347
Comment
UCSB52466
Ribes malvaceum var. viridifolium
Roberts, Fred; Steele, K.
1982-12-26
Orange
South Laguna: Niguel Hill; near end of Sea Island Dr; 1.9km SE Aliso Peak; 1.2km E Bench Mark 133
210
Comment
UCR209336
Ribes roezlii
Fred M. Roberts, Robt. L. Allen
2008-6-23
7055
Riverside
Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit
1639
Comment
RSA749353
Ricinus communis
Fred M. Roberts
2008-4-15
6902
Orange
Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., east ridge, Conservation Trail, 1.6 km ESE Rattlesnake Reservoir dam and 2.7 km WSW Bee Peak, Irvine Ranch Conservancy.
172
Comment
IRVC25524
Robinia pseudoacacia
Fred M. Roberts
1987-11-17
3755
Orange
Serrano Creek, near Trabuco Road west of Canada Road, 2.5km NNE El Toro Fire Station, Lake Forest
146
Comment
RSA0014061
Romneya coulteri
Fred M. Roberts
2008-5-30
7018
Orange
Lomas de Santiago: Santiago Creek wash, south of Irvine Mesa, 1.5 km SE Silverado Sch., Irvine Ranch Conservancy.
326
Comment
RSA0050276
Romneya coulteri
Fred M. Roberts
2013-6-12
7799
Orange
Peninsular Ranges SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road,, 0.9 km ENE Silverado School and 1.7 km up stream Black Star Road crossing.
332
Comment
RSA548867
Romneya coulteri
Fred M. Roberts, Carol A. Roberts
1988-6-2
4028
Orange
Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak.
817
Comment
UCR247896
Romneya coulteri
Fred M. Roberts
2013-6-12
7799
Orange
Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.9 km ENE Silverado School and 1.7 km up stream Black Star Road crossing.
332
Comment
IRVC27988
Romneya trichocalyx
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5719
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
RSA0014062
Romneya trichocalyx
Fred M. Roberts
2008-5-30
7017
Orange
Lomas de Santiago: Santiago Creek wash, south of Irvine Mesa, 1.5 km SE Silverado Sch., Irvine Ranch Conservancy.
326
Comment
SD233898
Romneya trichocalyx
Fred M. Roberts, A. Pigniolo, K. Muri
2003-5-3
5719
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River
167
Comment
UCR128414
Romneya trichocalyx
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5719
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
UCSB53309
Rorippa palustris
Roberts, Dar
1983-7-23
Inyo
Fish Slough: 4.5 mi. north of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis; 1 mi. N of jct. of Fish Slough Rd. and Jean Blanc Rd. at barrier separating slough from Owens River Canal
1341
Comment
RSA727336
Rorippa palustris subsp. occidentalis
Fred M. Roberts, Sandra Leatherman
2007-9-19
6587
Riverside
Santa Ana Canyon: Santa Ana River, across from Green River Golf Course, 0.15 km W Green River Road Bridge.
128
Comment
UCR188895
Rorippa palustris subsp. occidentalis
Fred M. Roberts, S. Leatherman
2007-9-19
6587
Riverside
Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge
128
Comment
RSA550606
Rosa californica
Fred M. Roberts
1989-4-26
4324
Orange
Lower Blind Canyon near mouth, 9.2 km SW Sierra Peak, 1.0 km N Irvine Lake spillway.
207
Comment
RSA795548
Rostraria cristata
D. Roberts
1983-5-5
LP- 407
Santa Barbara
65 m SSW of staff residences. La Purisima Mission State Historic Park: 2 km northeast of Lompoc City Limit.
Comment
SEINET5735590
Rubus parviflorus
Ed Roberts
1964-1
36
Mendocino
Along Indian Creek, ca. 0.25 mi. S of Philo.; Philo
Comment
UCSB34449
Rubus ursinus
Roberts, Fred
1980-2-2
Santa Barbara
East side of Refugio Road, 3.5 km north of Highway 101, Santa Ynez Mtns.
45
Comment
UCSB52860
Rubus ursinus
Roberts, Fred; Marsh, K.
1984-4-21
Orange
Santa Ana Mtns.: Lost Women Canyon, 2.3km WSW Bald Peak; 2.3km SE Bedford Peak
222
Comment
CAS-BOT-BC421998
Rumex acetosella
Robert Robertson
1954-5-8
135
Monterey
E. of Carmel Cove, Point Lobos.
15
Comment
UCR114965
Rumex crispus
Fred M. Roberts
1992-4-25
4866
Riverside
San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester
455
Comment
UCR258356
Rumex crispus
Fred M. Roberts
2014-4-21
7858
Orange
South Coast, SAN JOAQUIN HILLS: Upper Laguna Canyon, Laguna Lake 1 (Upper Laguna Lake), north basin, c. 5.1 km ENE summit Signal Hill. Laguna Coast Wilderness Park
113
Comment
UCSB34472
Rumex crispus
Roberts, Fred
1980-6-7
Santa Barbara
Lot at comer of Stork and Hollister Roads, Goleta.
12
Comment
RSA730995
Rumex maritimus
Fred M. Roberts
2006-11-15
6469
Orange
Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing.
85
Comment
UCR211729
Rumex pulcher
Fred M. Roberts, D. E. Bramlet
2005-5-5
6181
Riverside
Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road
458
Comment
RSA610241
Rumex salicifolius
Fred M. Roberts, Tony Bomkamp
1997-3-13
4984
Orange
Rancho Mission Viejo: Christianitos Canyon near confluence of Gabino Canyon, 5.1km NE Clemente Survey Mark.
85
Comment
IRVC24801
Rupertia physodes
Fred M. Roberts, G. A. Marsh
1986-5-16
2909
Orange
Ridge above San Juan Canyon, Sitton Peak Truck Trail, 4.0km W Sitton Peak, Santa Ana Mountains
670
Comment
RSA0047137
Rytidosperma caespitosum
Fred M. Roberts
2005-3-29
6136
San Diego
San Diego: near Fairbanks Ranch, ridge south of Lusardi Creek, c.a. 0.2km north San Dieguito Rd. and 1.3km NE Fairbanks Lake.
83
Comment
SD163606
Rytidosperma caespitosum
Fred M. Roberts
2005-3-29
6136
San Diego
San Diego: near Fairbanks Ranch, ridge south of Lusardi Creek, ca. 0.2km north of San Dieguito Rd. and 1.3km NE Fairbanks Lake, UTM Z11S 04 84 468mE, 36 51 734mN.
82
Comment
RSA649969
Salazaria mexicana
Jeni L. Roberts
1991-5-5
17
San Bernardino
Within Apple Valley city Limits. (3 mile)? NE of I15 on Highway 18, .5 mile east of the Mojave River.
Comment
UCSB48045
Salicornia pacifica
Roberts, Jr., Fred
1981-6-26
Orange
Anaheim Bay; Calif. Rte. 1 at southern margin of Naval Weapons Station, 1.7 km. SE McGaugh School; 1.1 km. W Hog Island
Comment
RSA0042767
Salix exigua
Fred M. Roberts
2012-7-18
7675
Orange
SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill.
37
Comment
RSA489712
Salix exigua
Dar A. Roberts, H. C. Forbes
1984-4-28
FS- 263
Inyo
2.5 miles N on Fish Slough Rd from jct with Jean Blanc Rd. Yellow Willow Dam. (and Mono Co.) Fish Slough: a desert wetland system 4.5 miles N of Bishop at the northern end of Owens Valley; study site includes 14 sq. miles along a 7 mile drainage axis.
1274
Comment
RSA539365
Salix exigua
Fred M. Roberts Jr., Karlin G. Marsh
1989-3-14
4201
Orange
San Juan Canyon, Lower San Juan Picnic Ground.
329
Comment
RSA542353
Salix exigua
Fred M. Roberts Jr., Gordon Marsh
1987-8-31
3602
Orange
Santa Ana River: adjacent to Santa Ana, 0.5 km NE 17th St. bridge.
27
Comment
RSA542512
Salix exigua
Fred M. Roberts Jr.
1987-4-21
3389
Orange
Aliso Viejo: Aliso Creek, along bike trail near confluence of Aliso Creek, 3.3 km ENE Moulton Peak
67
Comment
RSA679089
Salix exigua
Fred M. Roberts
2003-7-24
5970
Orange
San Juan Capistrono: San Juan Creek, c.a. 0.1 km NE La Novia Bridge. Along creek on cobbly sand of wash in open southern willow scrub and mulefat scrub.
27
Comment
RSA703731
Salix exigua
Fred M. Roberts, David E. Bramlet
2004-7-30
6091
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn. along Cristianitos Ck., 1.1 km SSW Gato Gate and 0.32km W Cristianitos Road.
73
Comment
RSA587881
Salix gooddingii
Fred M. Roberts
1990-5-8
4618
Orange
Chino Hills: Soquel Canyon, c.a. 1.2 km NNW Gilman Peak.
Comment
UCR258627
Salix gooddingii
Fred M. Roberts
2014-4-21
7855
Orange
South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin
113
Comment
RSA0126624
Salix lasiolepis
Fred M. Roberts
2012-4-24
7507
Orange
San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak.
179
Comment
RSA542509
Salix lasiolepis
Fred M. Roberts Jr., W. R. Ferren
1987-4-8
3357
Orange
Newport Beach: Upper Newport Back Bay, west side, North Star Beach, 0.8 km N Coney Island.
0
Comment
RSA725509
Salix lasiolepis var. lasiolepis
Fred M. Roberts
2007-9-11
6565
Orange
Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center.
83
Comment
SEINET4174109
Salsola paulsenii
J. Robertson
1974-6-25
s.n.
Mono
2 mi. east of Benton California on dum road
1792
Comment
IRVC23287
Salsola tragus
Fred M. Roberts
1985-7-18
2055
Orange
Temple Hill, Goff Ridge, 0.9km NE Goff Island off Nye Place Laguna Beach
168
Comment
IRVC28458
Salvia apiana
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5757
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
RSA542479
Salvia apiana
Fred M. Roberts
1988-5-13
3972
Orange
Lomas de Santiago: Loma Ridge, Upper Limestone Canyon near spring, 2.3 km NW Bolero Lookout.
439
Comment
RSA542480
Salvia apiana
Fred M. Roberts, G. A. Marsh, K. G. Marsh
1988-4-26
3941
Orange
San Joaquin Hills: Pelican Hill, 0.5km SE summit.
165
Comment
RSA584710
Salvia apiana
Fred M. Roberts
1989-6-7
4378
Orange
Santa Ana Mountains: Upper Gypsum Canyon along ridge between Gypsum and Blind Canyon, c. 6.3 km WSW Sierra Peak.
411
Comment
SD247197
Salvia apiana
Jim Roberts
2013-4-29
7
San Diego
City of San Diego; Tecolote Canyon Natural Park; vicinity of 230 yards SE of junction September Street and Burgener Blvd.
57
Comment
UCSB47996
Salvia apiana
Roberts, Fred
1980-6-29
Orange
Santa Ana Mtns; Viejo Canyon; 0.4 km N Calif. Rte 74; 2.2 km ENE San Juan Guard Station
341
Comment
SBBG71171
Salvia carnosa
G. Robertson
1900-8-18
Unknown
Mt Pancake Mansa River, San Pedro Martir
1584
Comment
RSA752032
Salvia columbariae
Fred M. Roberts, Eliza Maher
2008-3-26
6795
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
65
Comment
RSA649970
Salvia dorrii subsp. dorrii
Jeni L. Roberts
1991-5-3
14
San Bernardino
Within Apple Valley city Limits. (3 mile)? NE of I15 on Highway 18, .5 mile east of the Mojave River.
Comment
RSA0014073
Salvia leucophylla
Fred M. Roberts
2008-5-28
7012
Orange
Lomas de Santiago: Loma Ridge, Haul Road Cyn. (tributary to lower Limestone Cyn.) along Haul Rd. c.a. 0.8 km by road S Santiago Cyn. Rd., 2.6 km N Bee Peak and 3.4 km WNW Silverado Sch.
290
Comment
RSA550594
Salvia leucophylla
Fred M. Roberts
1989-4-26
4320
Orange
Santa Ana Mtns.: Lower Blind Canyon near mouth, 9.2km SW Sierra Peak, 1.0km N Irvine Lake spillway.
213
Comment
UCSB47598
Salvia sonomensis
Roberts, Fred
1982-5-1
Santa Barbara
Miranda Pines Road; 4.0km SW Miranda Pine Mtn; 1.4km ESE Johnson Suprise Springs
1207
Comment
RSA587877
Sambucus mexicana
Fred M. Roberts
1990-5-8
4624
Orange
Chino Hills: Soquel Canyon, ca. 1.4km Nof Gilman Peak.
335
Comment
RSA747631
Sambucus nigra
Fred M. Roberts
2008-5-8
6944
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
65
Comment
RSA788901
Sambucus nigra
Fred M. Roberts
2008-6-12
7039
Orange
Lomas de Santiago: Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd.
251
Comment
UCR233745
Sambucus nigra
Fred M. Roberts
2008-6-12
7039
Orange
Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd.
251
Comment
RSA0073648
Sambucus nigra subsp. caerulea
Fred M. Roberts
2012-4-24
7519
Orange
San Joaquin Hills: Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak.
167
Comment
UC61522
Samolus parviflorus
Geo. Robertson
1903-11-9
116
San Bernardino
San Bernardino Mountains, Arrowhead Arrowhead; San Bernardino Mountains, Arrowhead
914
Comment
RSA542458
Samolus parviflorus
Fred M. Roberts
1987-8-6
3581
Orange
San Joaquin Hills: Los Tracos Canyon, 0.9km ESE Pelican Hill.
78
Comment
IRVC29096
Sanicula arguta
Fred M. Roberts
1989-3-17
4211
Orange
Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park
30
Comment
RSA0127339
Sanicula arguta
Fred M. Roberts
2016-3-17
8021
Orange
San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp.
314
Comment
RSA588796
Sanicula arguta
Fred M. Roberts, Dave Bontrager
1990-4-18
4564
Orange
Rancho Mission Viejo: ridge between Christianitos and Gabino Canyons (Riverside Cement Lease Holding), 5.5 km SE Playa Survey Marker.
152
Comment
RSA749317
Sanicula bipinnatifida
Fred M. Roberts, Linda Farley
2008-3-28
6819
Orange
Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robber s Peak, Irvine Land Conservancy.
437
Comment
RSA0012752
Sanicula crassicaulis
Fred M. Roberts
2012-5-10
7577
Orange
San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit.
154
Comment
UCSB48365
Sanicula crassicaulis
Roberts, Fred
1982-4-18
Orange
Santa Ana Mtns.; Upper Hot Springs Cyn., 0.1 km. SW Falcon Group Camp; 0.2 km. SE Los Pinos Peak
1075
Comment
UCSB49714
Sanicula crassicaulis
Roberts, D.
1983-4-16
Santa Barbara
Along northeast edge of upper reservoir; la Purisima Mision State Historic Park; 2 km. NE of Lompoc City Limit
Comment
IRVC22550
Sanicula crassicaulis var. crassicaulis
Fred M. Roberts
1985-5-1
1706
Orange
Aliso Canyon, 2.1km NNE Aliso Peak, Aliso Viejo
67
Comment
UCSB53307
Sarcobatus vermiculatus
Roberts, Dar
1983-7-23
Inyo
Red Willow Dam, 2 miles N of jet of Fish Slough Rd and Jean Blanc Rd; Fish Slough: 4.5 mi. north of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi drainage axis
1274
Comment
RSA725514
Schinus molle
Fred M. Roberts, Robert L. Allen
2007-9-28
6616
Orange
Lomas de Santiago: above lower Santiago Cyn. wash along Santiago Cyn. Rd. just south of Irvine Mesa, 3.3 km N Bolero Lookout.
332
Comment
UCR239224
Schinus terebinthifolius
Fred M. Roberts
2012-4-24
7508
Orange
San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak
179
Comment
UCSB36182
Schismus arabicus
Roberts, Dar
1980-5-25
Inyo
51 km. N. junction 14 on U.S. 395
1220
Comment
IRVC20382
Schismus barbatus
Fred M. Roberts
1983-3-16
910
Orange
Laguna Beach: Sycamore Hills, central ridge, 1.1km NNE jct. El Toro and Laguna Canyon Rds.; 5.4km [ESE] Signal Peak. Southern Coastal
156
Comment
IRVC21787
Schismus barbatus
Fred M. Roberts
1985-2-25
1458
Orange
Irvine: Irvine Ranch, east of MacArthur Blvd., 1.4km W UCI campus; 1.5km SE Bay View School. Southern Coastal
30
Comment
IRVC21985
Schismus barbatus
Fred M. Roberts, Gordon Marsh
1985-3-12
1530
Orange
mesa west of Ave. Pico and north of El Camino Real, 3.2km SSE Coyote Bluff; 0.6km E Bench Mark 16 (sect. 32), San Clemente
37
Comment
SBBG55100
Schismus barbatus
F. M. Roberts, W. Ferren
1982-3-22
457
Santa Barbara
0.3 km W of UC Field Station just N of Central Valley Rd
80
Comment
RSA0027435
Schoenoplectus americanus
Fred M. Roberts
2012-7-18
7673
Orange
San Joaquin Hills: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus, of Poppy Street and 2.1 km WNW summit of Pelican Hill.
37
Comment
RSA731915
Schoenoplectus americanus
Fred M. Roberts, Sandy Leatherman
2007-11-27
6664
Orange
Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge.
100
Comment
UCSB52891
Schoenoplectus americanus
Roberts, Fred
1984-10-18
Orange
Santa Ana Mtns.: San Juan Canyon, 2.5 km. ENE San Juan Guard Station; 4.0 km. WNW Sitton Peak
310
Comment
RSA0027438
Schoenoplectus californicus
Fred M. Roberts
2012-7-18
7672
Orange
San Joaquin Hills: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus, of Poppy Street and 2.1 km WNW summit of Pelican Hill.
37
Comment
RSA731914
Schoenoplectus californicus
Fred M. Roberts, Sandy Leatherman
2007-11-27
6665
Orange
Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge.
100
Comment
UCR258354
Schoenoplectus californicus
Fred M. Roberts
2014-4-21
7873
Orange
South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin
113
Comment
RSA703733
Scirpus microcarpus
Fred M. Roberts, David E. Bramlet
2004-11-5
6131
Orange
Rancho Mission Viejo: Donna O Neill Land Conservancy, Gato Cyn., tributary to Cristianitos Cyn., 0.23km W Gato Gate.
102
Comment
RSA716730
Scirpus microcarpus
Fred M. Roberts, David E. Bramlet
2004-11-5
6131
Orange
Rancho Mission Viejo: Donna O Neill Land Conservancy, Gato Cyn., tributary to Cristianitos Cyn., 0.23km W Gato Gate.
102
Comment
UCSB48201
Scirpus microcarpus
Roberts, Fred
1981-6-26
Orange
Santa Ana Mtns.; San Juan Canyon; 0.1 km. N Lower San Juan Picnic Ground
390
Comment
UCSB47591
Scrophularia californica
Roberts, Fred
1980-4-5
Orange
Highway 74, San Juan Canyon, 0.4km sw Lower San Juan Picnic Ground, Santa Ana Mountains,
390
Comment
RSA0012747
Scrophularia californica subsp. floribunda
Fred M. Roberts
2012-5-10
7572
Orange
San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit.
154
Comment
RSA701800
Scrophularia californica subsp. floribunda
Fred M. Roberts, David E. Bramlet
2003-6-6
5889
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.7km SW int. Cristianitos and TRW Rds. and 0.23km W of SDGandE substation.
94
Comment
UCR209339
Scrophularia californica subsp. floribunda
Fred M. Roberts
2008-4-22
6919
Orange
Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, along Haul Road near asphalt plant, 2.2 km east-northeast of Rattlesnake Reservoir Dam and 2.2 km west-northwest of Bee Peak, Irvine Ranch Conservancy
188
Comment
RSA0026266
Scutellaria bolanderi subsp. austromontana
Fred M. Roberts
2013-6-7
7782
Riverside
Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.7 kilometers NNW Upper San Juan Campground.
536
Comment
UCR211727
Secale cereale
Fred M. Roberts
2005-5-19
6204
Riverside
Perris Basin, San Jacinto Valley, city of San Jacinto, east of Sanderson Road and south of the Ramona Expressway, 2.6 km south-southwest of Gilman Hot Springs
446
Comment
RSA0078514
Sedum album
Fred M. Roberts, M. J. Roberts
1985-8-8
2110
San Diego
Cuyamaca Mountains: Pine Hills, Pine Hills Dr., 3.7 Km. south junction Highway 79.
1160
Comment
SD234722
Selaginella bigelovii
Fred M. Roberts, Andy Pinolo, Kam Muri
2003-5-3
5713
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side near crest of ridge east of lower Butteweg Canyon along the border trail, Tijuana River watershed.
305
Comment
UCSB52471
Selaginella bigelovii
Roberts, Fred
1983-1-7
Orange
Laguna Beach: west flank of Temple Hill, Park Canyon, 1.7km NE Thurston High School; 1.7km SE Bench Mark 104.
230
Comment
RSA594877
Selaginella bigelovii
Fred M. Roberts, Rick Riefner
1992-2-15
4832
Orange
Lomas De Santiago: Foothill Ranch north of El Toro Road, c. 4.7 kilometers SSE Bolero Lookout.
295
Comment
UCSB43427
Selaginella bigelovii
Roberts, Fred
1982-3-24
Santa Barbara
1.9 km SW of Devil's Peak on road to Lagonitas Secas from the top of Centinella Grade. Santa Cruz Island.
445
Comment
IRVC28463
Selaginella cinerascens
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5752
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
SD164593
Selaginella cinerascens
Fred M. Roberts
2001-5-24
5476
San Diego
Lusardi Creek MSCP parcel: Mesas N of Lusardi Creek, 1.2 m N Low South Survey Marker. Mesas along abandoned dirt road on rocky clay soil in coastal sage scrub bordering chamis chaparral
92
Comment
SD233633
Selaginella cinerascens
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5794
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242.
470
Comment
SD242347
Selaginella cinerascens
Fred Roberts
2009-9-29
7163
San Diego
San Diego: Upper Deer Canyon drainage just west of Abling Ave. 110 meters north of the SR56 centerline and 190 meters east of the Carmel Mtn. Rd./SR56 bridge. UTM Z11 04 56 466mE 36 46 297mN, Del Mar USGS 7.5min Quad.
124
Comment
UCR128424
Selaginella cinerascens
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5794
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
470
Comment
RSA539420
Senecio aphanactis
Fred M. Roberts
1989-3-7
4200
Orange
Lomas de Santiago: Loma Ridge, tributary to Hicks Canyon, 2.1km W Bee Survey Mark, UTM 37 32 300mN, 4 33 150mE, alt. 183 meters.
183
Comment
RSA588799
Senecio californicus
Fred M. Roberts, D. Bontrager
1990-4-18
4561
Orange
Rancho Mission Viejo: ridge between Christianitos and Gabino Canyons (Riverside Cement Lease Holdong), 5.5 km SE Playa Survey Marker.
152
Comment
RSA737542
Senecio californicus
Fred M. Roberts
2008-3-12
6719
Orange
Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor).
50
Comment
UCSB52922
Senecio californicus
Roberts, Fred
1983-3-10
Orange
Dana Point Headlands: south of Dana Strand Rd., 0.8km W Dana Point Harbor; 1.0km SW Richard Henry Dana School
66
Comment Read comments Dec 12 2018
SEINET12725686
Senecio serra
J. H. Robertson, Y. Robertson
1979-7-18
s.n.
Mono
North Fork Sweetwater Creek, site 95.; 38.435218 -119.373505.
2804
Comment
RSA0127340
Senecio vulgaris
Fred M. Roberts
2016-3-17
8022
Orange
San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp.
314
Comment
RSA747607
Senecio vulgaris
Fred M. Roberts
2000-5-4
5314
Orange
Lomas de Santiago: Loma Ridge, Hicks Cyn., west of SR 241, 1.9 km E Rattlesnake Reservoir dam and 2.1 km WSW Bee Peak.
210
Comment
UCR220085
Senna
Fred M. Roberts, Ian Cain, Chezzy W. Brungraber
2010-5-3
7294
Los Angeles
Los Angeles Basin, Montebello Hills, oil field above Sycamore Canyon and North Montebello Blvd, 0.6 km southeast of Paramount Blvd Bridge over Pomona Fwy
138
Comment
RSA0069225
Senna marilandica
Fred M. Roberts, Sandra Leatherman
2008-9-3
7080
Orange
Yorba Linda: Santa Ana River Canyon, Santa Ana River, 0.6 km W Gypsum Cyn. bridge, south of La Palma Ave.
113
Comment
UCR266664
Senna marilandica
Fred M. Roberts, Sandra L. Leatherman
2008-9-3
7080
Orange
YORBA LINDA: Santa Ana River Canyon, Santa Ana River, 0.6 km W Gypsum Cyn. bridge, south of La Palma Ave
113
Comment
IRVC24099
Senna multiglandulosa
Fred M. Roberts, R. L. Allen
1985-9-3
2201
Orange
Lower San Juan Canyon, Hwy 74, c.a. 14.4km NE San Juan Capistrano by road, Casper's Regional Park
184
Comment
IRVC25222
Sesuvium verrucosum
Fred M. Roberts
1986-11-4
3213
Orange
Anaheim Bay, north of Hog Island, Seal Beach Naval Weapons Station
0
Comment
UCSB52902
Sesuvium verrucosum
Roberts, Fred
1983-9-29
Orange
Irvine; San Joaquin Freshwater Marsh, 1.6 km. NNW UCI campus center
2
Comment
RSA719406
Setaria adhaerens
Fred M. Roberts, Robert L. Allen
2006-10-8
6429
Orange
San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch.
4
Comment
RSA731924
Setaria adhaerens
Fred M. Roberts, Sandy Leatherman
2007-11-27
6686
Orange
Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd.
118
Comment
IRVC21695
Setaria lutescens
Fred M. Roberts
1984-8-6
1366
Orange
UC Irvine, along Adobe Circle Road, 0.9km ENE campus center; 2.3km W French Hill, Irvine
30
Comment
RSA0027437
Setaria parviflora
Fred M. Roberts
2012-7-18
7676
Orange
San Joaquin Hills: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill.
37
Comment
UCR236679
Setaria parviflora
Fred M. Roberts, Sandra L. Leatherman
2008-9-17
7101
Orange
Peninsular Ranges, Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana River, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river
87
Comment
RSA542393
Sidalcea malviflora
Fred M. Roberts, K. Keane
1988-5-25
3982
Orange
Ranch Mission Viejo: Lower Canada Chiquita, 2.5 kilometers SSE Medium Rancho Survey Mark.
82
Comment
UCSB47611
Sidalcea malviflora
Roberts, Fred
1980-5-3
Orange
0.1km NE Falcon Group Camp, Santa Ana Mtns.
1012
Comment
IRVC28099
Silene antirrhina
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5782
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
RSA752036
Silene antirrhina
Fred M. Roberts
2008-3-27
6813
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 1, 0.5km W Marine Institute (Dana Point Harbor).
45
Comment
RSA680931
Silene gallica
Fred M. Roberts, Andy Pinolo, Kam Muri
2003-5-3
5698
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side near crest of ridge east of lower Butteweg Canyon along the border trail, Tijuana River watershed.
305
Comment
UCR128512
Silene gallica
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5698
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed
305
Comment
CAS-BOT-BC393585
Silene gallica
Robert Robertson
1954-5-8
132
Monterey
E of Carmel Cove, Point Lobos
15
Comment
IRVC28333
Silene gallica
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5698
San Diego
Otay Mountain, south side near crest of ridge east of lower "Butteweg Canyon" along the border trail, Tijuana River watershed Peninsular Range, San Ysidro Mountains
305
Comment
UCSB47971
Silene gallica
Roberts, Fred
1980-2-17
Orange
Dana Bluffs; along Scenic Drive Rd.; NW and above Dana Point Harbor, Dana Point
58
Comment
RSA0013912
Silene laciniata
Fred M. Roberts
2012-5-10
7584
Orange
San Joaquin Hills: Buck Gully, south fork, north slope of Pelican Hill, along Pelican Hills Dr., 0.3 km N summit Pelican Hill.
189
Comment
SBBG71646
Silene laciniata
G. Robertson
-Aug-1903
Unknown
San Pedro Martir
Comment
CAS-BOT-BC389125
Silene laciniata subsp. californica
Sue Roberts
1954-5-20
113
Mendocino
6 miles east of Hopland on road from Lakeport to Hopland
914
Comment
IRVC20496
Silene laciniata subsp. major
Fred M. Roberts
1983-5-4
1026
Orange
Temple Hill, Upper Rancho Laguna Canyon, 1.7km SSW Top of the World Sch.; 1.4km ENE Cactus Point, Laguna Beach
200
Comment
RSA581444
Silene laciniata subsp. major
Fred M. Roberts
1989-5-12
4363
Orange
Santa Ana Mountains: Santiago Canyon, Flemming Regional Park, just E of Modjeska at end of paved road, ca. 3.2 kilometers WSW Laurel Springs.
455
Comment
RSA699745
Silene laciniata subsp. major
Fred M. Roberts, David E. Bramlet
2003-5-15
5874
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 1.41km SSW Gato Gate and 0.35km NNW of SDG&E substation.
122
Comment
UCR209365
Silene laciniata subsp. major
Fred M. Roberts, Linda Farley
2008-3-28
6831
Orange
Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon
427
Comment
RSA708224
Silene lemmonii
Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield
2005-5-30
6217
Orange
Main Divide Road, ridge between Silverado and Bixby Canyons, coastal slope, 0.46km (air) S Bald Peak.
1203
Comment
UCR128374
Silene multinervia
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5760
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' c. 0.4 mi. north of the Mexican border, Tijuana River watershed
183
Comment
RSA588654
Silene multinervia
Fred M. Roberts, Carol A. Roberts
1990-5-23
4654
Orange
West Fork, Upper Long canyon, near Main Divide Truck Trail, 4.4km SE Los Pinos Peak.
768
Comment
RSA599645
Silene multinervia
Fred M. Roberts, Carol A. Roberts, Kirsten Winter
1995-5-6
4940
Orange
Ridge between Hot Springs Canyon and Viejo Canyon, San Juan Trail, 3.4 km WNW Lower San Picnic ground.
549
Comment
CAS-BOT-BC364856
Silybum marianum
Robert Robertson
1954-4-14
76
San Mateo
N.W. of Palo Alto Yacht Club
3
Comment
RSA749361
Sisymbrium irio
Fred M. Roberts
2008-4-15
6900
Orange
Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., east ridge, Conservation Trail, 1.6 km ESE Rattlesnake Reservoir dam and 2.7 km WSW Bee Peak, Irvine Ranch Conservancy.
172
Comment
UCR128415
Sisymbrium orientale
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5732
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side in lower 'Butteweg Canyon' just above border trail, Tijuana River watershed
183
Comment
RSA747707
Sisyrinchium bellum
Fred M. Roberts
2008-5-16
6985
Orange
Dana Point: Dana Point Hradland, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor.
75
Comment
IRVC24222
Sitanion jubatum
Fred M. Roberts, Karlin G. Marsh, Gordon Marsh
1985-10-1
2279
Orange
Silverado Canyon, Silverado Canyon Road, 1.0km by road E junction Santiago Canyon Road. Santa Ana Mountains
320
Comment
RSA542351
Solanum americanum
Fred M. Roberts Jr.
1988-7-27
4124
San Diego
Santiago Peak, Main Divide Truck Trail at Orange-Riverside County line, 0.5 km north summit
1659
Comment
RSA752039
Solanum americanum
Fred M. Roberts
2008-3-27
6809
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor).
75
Comment
RSA743382
Solanum douglasii
Fred M. Roberts
2008-5-27
7001
Orange
Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor).
75
Comment
UCR224154
Solanum douglasii
Fred M. Roberts
2008-5-27
7001
Orange
South Coast, Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8 km west norhwest of Marine Institute, Dana Point Harbor
75
Comment
UCSB48090
Solanum douglasii
Roberts, Fred
1981-5-2
Orange
Mission Viejo: Camino Capistrano, 1.7km N Crown Valley Parkway
49
Comment
RSA599592
Solanum rostratum
Fred M. Roberts Jr., Nigel Hancock
1995-5-25
4947
Orange
Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School.
24
Comment
RSA550607
Solanum umbelliferum
Fred M. Roberts Jr., Carol A. Roberts
1989-4-20
4307
Orange
upper Lion Canyon along San Juan Trail just south of Blue Jay Campground, 2.5 km. SE Los Pinos Peak
980
Comment
RSA587879
Solanum umbelliferum
Fred M. Roberts
1990-5-8
4622
Orange
Chino Hills: Soquel Canyon, c.a. 1.4 km N Gilman Peak.
335
Comment
SD164412
Solanum xanti
Fred M. Roberts
2001-4-9
5400
San Diego
Jamul Mtns.: Southwest slopes, northeast of Upper Otay Lake, 5.4 km southeast summit Mother Miguel Mtn. Otay Lakes MSCP parcel. Knoll along ridge on mostly gentle southwest-facing slope in rocky, open coastal sage scrub and annual grassland
309
Comment
SD235054
Solanum xanti
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5738
San Diego
Peninsular Range, San Ysidro Mtns.: Otay Mountain, south side in lower Butteweg Canyon just above border trail, Tijuana River watershed.
167
Comment
RSA0127412
Sonchus asper
Fred M. Roberts
2016-3-17
8007
Orange
San Joaquin Hills: City of Irvine, Bommer Canyon, east fork, 0.3 km ESE Cattle Camp near East Fork Trail.
152
Comment
RSA730994
Sonchus oleraceus
Fred M. Roberts
2006-11-15
6468
Orange
Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing.
85
Comment
SD192394
Sonchus oleraceus
Fred Roberts
2006-7-6
6358
San Diego
Oceanside: San Luis Rey River Valley, adjacent to SR76 at SE corner of SR76 and Loretta St., about 0.9km E Interstate 5.
7
Comment
RSA719412
Sorghum bicolor
Fred M. Roberts, Robert L. Allen
2006-10-8
6433
Orange
San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch.
4
Comment
IRVC23156
Sorghum halepense
Fred M. Roberts
1985-7-11
2016
Orange
San Joaquin Hills: Laguna Canyon, Laguna Canyon Road near Laguna Lakes, 5.0km ENE Signal Peak. southern coastal
112
Comment
IRVC24181
Sorghum halepense
Fred M. Roberts
1985-9-17
2258
Orange
Irvine; lot between Walnut Avenue, Harvard Avenue and Peter's Creek Channel. southern coastal
20
Comment
UCSB36169
Sorghum halepense
Roberts, Dar
1980-5-29
Santa Barbara
50 yds S. of bridge on Hollister, closest to Hollister, Fairview intersection along Vegas-San Pedro creek
4
Comment
RSA548855
Spartina foliosa
Fred M. Roberts
1986-10-31
3185
Orange
Seal Beach Naval Weapons Station: Anaheim Bay, vicinity of Hog Island., UTM 3732900m N, 400900m E
0
Comment
SD183914
Spartina foliosa
Fred Roberts
2000-9-25
5348
San Diego
San Diego Bay: Chula Vista, F. & G. Marsh along Marina Parkway just N of G Street
Comment
IRVC21281
Spartium junceum
Fred M. Roberts
1984-3-15
1259
Orange
Niguel Hill, at end of Sea Island Dr., 1.9km SE Aliso Peak, South Laguna
210
Comment
RSA0013956
Spergularia macrotheca var. macrotheca
Fred M. Roberts
2008-5-7
6943
Orange
Lomas de Santiago: Loma Ridge, Limestone Ridge between Dripping Spr. and Limestone Cyn., 3.5 km NW Bolero Lookout and 1.7 km E Bee Peak. Irvine Ranch Conservancy.
481
Comment Read comments Feb 27 2019
UCR220089
Spergularia macrotheca var. macrotheca
Fred M. Roberts
2008-5-7
6943
Orange
Lomas de Santiago, Limestone Ridge between Dripping Spring and Limestone Canyon, 3.5 km NW of Bolero Lookout and 1.7 km east of Bee Peak. Irvine Ranch Conservancy
481
Comment Read comments Feb 27 2019
RSA0097841
Spergularia macrotheca var. macrotheca
Fred M. Roberts, Julie Vanderwier
1997-4-29
5019
Orange
Bolsa Chica Salt Marsh (US Fish & Wildlife Service cell 17); west of old oil field, 1.7 km SSE of Chica Survey Mark.
0
Comment
UCR162955
Spergularia marina
Fred M. Roberts, D. E. Bramlet
2005-4-1
6151
Riverside
Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field
457
Comment
SEINET11931098
Spergularia rubra
Roberts
1973-1
Brec. 1398
Santa Barbara
on upper margin of Prisoner's Harbor Beach on N side of Santa Cruz Island
Comment
UCSB52392
Spergularia salina
Roberts, Fred; Ferren, Wayne
1982-7-21
Orange
Newport Beach; Upper Newport Back Bay, Back Bay Dr., 3.5 km. N San Joaquin Hills Rd.; 3.0 km. W UC Irvine campus
2
Comment
UCSB52915
Spergularia salina
Roberts, Fred; Marsh, K.
1983-5-13
Orange
Dana Point Headlands; north of Dana Strand Road, 0.4 km. W Dana Point Harbor; 0.7 km. SSW Richard Henry Dana School
80
Comment
RSA0098711
Spergularia villosa
Fred M. Roberts, Laura Cohen
2000-3-24
5266
Orange
Rancho Mission Viejo Land Conservancy: Tributary to Christanitos Cyn., Flagpole Meadow, upper Shady Canyon Trail, about 1.6 km NW Sycamore Gate.
170
Comment
UCSB53028
Sphaeralcea ambigua
Roberts, Dar
1983-7-23
Mono
1 mile S of Rocked-in-Spring on east side of slough; 4.5 mi. north of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis
1341
Comment
SD242354
Sporobolus airoides
Fred Roberts
2011-9-9
7472
San Diego
San Marcos: Universal Boot parcel, along north side of San Marcos Blvd. about 150 meters W jct. South Los Posas Rd. San Marcos USGS 7.5min Quad.
160
Comment
UCSB53346
Sporobolus airoides
Roberts, Dar
1983-7-22
Mono
Fish Slough; 50 m. north of pupfish refuge west of second dirt rd. paralleling the fence, NW end of slough
Comment
UCSB53347
Sporobolus airoides
Roberts, Dar
1983-7-22
Mono
Fish Slough; west of second dirt rd. paralleling the fence; SE of Pister's Pond (pupfish refuge) at NW end of slough
Comment
UCR236674
Sporobolus indicus
Fred M. Roberts, Sandra L. Leatherman
2008-9-17
7106
Orange
Peninsular Ranges, Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana River, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river
87
Comment
UCD93166
Sporobolus indicus
Roswell D. Roberts
1974-3-15
s.n.
Tuolumne
Tuolumne County.
Comment
SBBG55091
Stachys bullata
D. Roberts, J. Leech
1982-3-23
Santa Barbara
0.4 km W of Los Pinos del Sur at ravine fork
225
Comment
UCSB43412
Stachys bullata
Roberts, Dar; Leech, John
1982-3-23
Santa Barbara
0.4 km west of Los Pinos del Sur at ravine fork; Santa Cruz Island
225
Comment
UCSB36135
Stachys bullata
Roberts, Dar
1980-2-2
Santa Barbara
11 miles on Refugio Rd; from 101 junct; Santa Ynez Mts
545
Comment
UCSB47601
Stachys bullata
Roberts, Fred
1982-4-29
Ventura
Serrano Road; 0.7 km SE Triunfo Pass; 0.3 km NE Triunfo Lookout; Santa Monica Mtns
722
Comment
RSA0012748
Stachys rigida subsp. quercetorum
Fred M. Roberts
2012-5-10
7573
Orange
San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit.
154
Comment
RSA542483
Stachys rigida subsp. quercetorum
Fred M. Roberts, R. E. Riefner
1988-7-19
4115
Orange
Santa Ana Mountains; Maple Springs Truck Trail, Upper Silverado Canyon, 1.9km N Modjeska Peak.
1128
Comment
RSA717155
Stachys rigida subsp. rigida
Fred M. Roberts, Chris M. Barnhill
2005-9-27
6284
Orange
San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4 km E Mission San Juan Capistrano.
27
Comment
UCSB47600
Staphylea bolanderi
Roberts, Fred
1981-5-14
Mariposa
Above Merced River along Calif. 140, 5.5km N Briceburg, Sierra Nevada
656
Comment
RSA542590
Stebbinsoseris heterocarpa
Fred M. Roberts, Karlin G. Marsh
1988-4-25
3934
Orange
San Joaquin Hills: East flank Pelican Hill, 0.9 kilometer SE summit.
120
Comment
RSA743497
Stellaria media
Fred M. Roberts
2008-3-19
6780
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor.
45
Comment
RSA548856
Stenotaphrum secundatum
Fred M. Roberts, Wayne Ferren
1987-4-8
3364
Orange
Upper Newport Beach Back Bay, west side, North Star Beach, 0.8 km N Coney Island., UTM 3720900m N, 417450m E
0
Comment
SEINET13170464
Stenotus acaulis
J. H. Robertson, Y. Robertson
1979-6-20
s.n.
Mono
6.1 mi from HW 182 along road. Toiyabe NF, 4.5 mi from boundary.
2469
Comment
UC61524
Stephanomeria cichoriacea
Geo. Robertson
111
San Bernardino
Forest Home San Bernardino Mts.
1524
Comment
IRVC23252
Stephanomeria diegensis
Fred M. Roberts
1982-7-30
787
Orange
Niguel Hill, 0.9km ENE Aliso Peak, Laguna Niguel
260
Comment
RSA0044742
Stephanomeria diegensis
Fred M. Roberts, Art Davenport
2003-9-11
6010
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road.
126
Comment
RSA703680
Stephanomeria diegensis
Fred M. Roberts, David E. Bramlet
2004-11-5
6128
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Cyn., 0.79 km N Sycamore Gate and 0.18 km W Cristianitos Road.
146
Comment
UCR177707
Stephanomeria diegensis
Fred M. Roberts, D. E. Bramlet
2004-11-5
6128
Orange
Rancho Mission Viejo; Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.79 km N Sycamore Gate and 0.18 km W Cristianitos Road
146
Comment
RSA719419
Stephanomeria exigua subsp. exigua
Fred M. Roberts, Lee Ann Caranza
2006-10-25
6459
Orange
Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch.
58
Comment
RSA743387
Stephanomeria exigua subsp. exigua
Fred M. Roberts
2008-7-10
7065
Orange
Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor.
65
Comment
UCSB36148
Stephanomeria pauciflora
Roberts, D.
1980-6-1
Inyo
West of Trona-Wildrose Rd. 14.5 km. N of Trona
655
Comment
IRVC28329
Stipa diegoensis
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5703
San Diego
Otay Mountain, south side near crest of ridge east of lower "Butteweg Canyon" along the border trail, Tijuana River watershed Peninsular Range, San Ysidro Mountains
305
Comment
SD164569
Stipa diegoensis
Fred M. Roberts
2001-5-15
5465
San Diego
Jamul Mtns.: southwest slopes, east of Upper Otay Lake, 5.3 km southeast summit Mother Migual Mtn. Otay Lakes North MSCP parcel. Near hilltop on gentle south-facing slope on rocky clay loam soil and about boulders in coastal sage scrub.
352
Comment
UCR128530
Stipa diegoensis
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5784
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
427
Comment
SD143279
Stipa lepida
Fred M. Roberts
1997-4-11
4994
San Diego
Carlsbad:Upper Encinitas Creek watershed east of Rancho Santa Fe Road,Fieldstone southeast,ca. 5.7 km southwest Double Peak Frequent on gentle east-facing slope in open mosaic of coastal sage scrub & native grassland that had burned in October 1996.
88
Comment
UCR239632
Stipa lepida
Fred M. Roberts
2012-4-24
7511
Orange
San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak
179
Comment
SEINET8080206
Stipa nevadensis
J. H. Robertson, Y. M. Robertson
1979-6-20
s.n.
Mono
Toiyabe NF, 2.9 miles from boundary, 4.5 miles along Masonic Hills Road from Hwy 182, 0.1 mile SE of Red Mine dump below road.
2414
Comment
UCR128865
Stipa pulchra
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5811
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
470
Comment
UCR223959
Stipa pulchra
Fred M. Roberts
2008-4-9
6863
Orange
South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Outlook 2, 0.7 km west of Marine Institute, Dana Point Harbor
52
Comment
UCR209387
Streptanthus bernardinus
Fred M. Roberts, Brenda McMillan
2004-5-25
6051
San Bernardino
San Bernardino Mountains, Fern Cnyon, east of Cedar Glen, 0.9 km east of Hook Road and 0.5 km south of Coulter Road
1779
Comment
IRVC28490
Stylocline gnaphalioides
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5791
San Diego
Otay Mtn; head of cyn 2 miles NW of Otay Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
470
Comment
RSA684307
Stylocline gnaphaloides
Fred M. Roberts
2003-3-13
5588
Orange
Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1,320m NW Sycamore Gate and 880m W Cristianitos Rd.
179
Comment
SD233772
Stylocline gnaphaloides
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5791
San Diego
Peninsular Ranges, San Ysidro Mountains:Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca 0.4 mi. WSW of peak 2242 (Otay Mountain 7.5' Q).
470
Comment
UCR203982
Stylocline gnaphaloides
Fred M. Roberts
2008-3-12
6720
Orange
South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor
50
Comment
UCR223962
Stylocline gnaphaloides
Fred M. Roberts
2008-4-9
6856
Orange
South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Outlook 2, 0.7 km west of Marine Institute, Dana Point Harbor
52
Comment
RSA725580
Styrax redivivus
Fred M. Roberts, Robert L. Allen, Trish Smith
2007-6-15
6534
Orange
Along dirt road on ridge between Fremont and Black Star Cyns., 5.2km ENE Irvine Lake Spillway and 1.7km W Hidden Ranch.
739
Comment
IRVC25415
Suaeda taxifolia
Fred M. Roberts, Wayne Ferren
1987-4-8
3356
Orange
Upper Newport Back Bay, west side, North Star Beach, 0.8km N Coney Island, Newport Beach
0
Comment
UCSB48081
Suaeda taxifolia
Roberts, Fred
1981-11-15
Orange
Newport Beach: Upper Newport Back Bay; Bayside Dr.; 0.2 km. N central parking area
2
Comment
UCSB48369
Suaeda taxifolia
Roberts, Dar; Roberts, Fred
1982-4-19
Orange
Newport Beach: Corona del Mar, Bayside Dr.; 3.0 km. SSW Corona del Mar High School; E of Balboa Island
3
Comment
RSA0063398
Symphoricarpos mollis
Fred M. Roberts
1990-5-8
4620
Orange
Chino Hills: Soquel Canyon, c. 1.2 km NNW of Gilman Peak.
240
Comment
RSA752319
Symphoricarpos mollis
Fred M. Roberts
2008-5-20
7132
Orange
Lomas de Santiago: Loma Ridge, Upper Limestone Cyn., 0.8 km NW Bolero Spr. and 3.1 km WNW Bolero Lookout. Irvine Ranch Conservancy.
467
Comment
RSA704427
Tamarix ramosissima
Fred M. Roberts, David E. Bramlet
2004-7-30
6084
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy. Cristianitos Cyn along Cristianitos Crk, 1.1 km SSW Gato Gate and 0.32 km W Cristianitos Road.
73
Comment
RSA731912
Tamarix ramosissima
Fred M. Roberts, Sandra Leatherman
2007-11-27
6667
Orange
Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge.
100
Comment
UCSB52462
Tanacetum parthenium
Roberts, Jr., Fred
1982-7-4
Orange
Chino Hills; Carbon Canyon, Carbon Canyon Rd., 0.6 km. by road SW county line; 2.3 km. NNW Gilman Peak
250
Comment
UCSB47871
Taraxacum officinale
Roberts, Dar
1983-2-20
Santa Barbara
La Purisima Mission State Historic Park. 2 km NE of Lompoc City Limit; on west side of visitor's bldg.
Comment
RSA749430
Tauschia arguta
Fred M. Roberts
2008-4-14
6894
Orange
Santa Ana Mtns.: Upper Weir Cyn., east fork, 3.4 km E Robbers Peak, Irvine Ranch Conservancy.
433
Comment
UCSB47643
Tauschia arguta
Roberts, Fred
1980-5-3
Orange
On fire break east of Main Drive Truck Trail, 1.2 km. west of Trabuco Pk., Santa Ana Mtns.
1387
Comment
RSA539396
Tauschia parishii
Fred M. Roberts
1988-6-10
4096
Orange
Santa Ana Mountains: Modjeska Peak, 0.9km SW summit.
1542
Comment
RSA679087
Tauschia parishii
Fred M. Roberts
2003-6-25
5940
Orange
Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit.
1605
Comment
RSA539421
Tetradymia comosa
Fred M. Roberts, Doug Willick
1988-9-16
4134
Orange
Peralta Hills: Oak Canyon Nature Center, Upper Walnut Canyon, 1.1 km N Robbers Peak
177
Comment
SEINET3149704
Tetradymia comosa
G. Robertson
1903-11-9
115
San Bernardino
'Forest Home', Mill Creek, San Bernardino Mts.
1829
Comment
CAS-BOT-BC438269
Tetragonia tetragonoides
Robert Robertson
1954-4-14
74
San Mateo
N.W. of Palo Alto Yacht Club.
3
Comment
RSA542416
Thalictrum fendleri
Fred M. Roberts, Karlin G. Marsh
1987-5-14
3441
Orange
Santa Ana Moutains: Upper Trabuco Canyon, Trabuco Canyon Trail , 1.3 km NE Los Pinos Peak
1231
Comment
IRVC28040
Thalictrum fendleri var. polycarpum
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5747
San Diego
Otay Mtn; S side in lower "Butteweg Canyon" just above border trail, Tijuana River watershed. Peninsular Ranges, San Ysidro Mountains
168
Comment
SBBG68846
Thermopsis macrophylla
Robertson
1932-4-28
Santa Barbara
Camp Drake
Comment
UCSB50697
Thinopyrum intermedium
Roberts, Fred
1982-7-20
Orange
Santa Ana Mtns., Main Divide Extension 1.0km NE by road from Falcon Group camp.
1000
Comment Read comments Aug 30 2018
CHSC14008
Thysanocarpus curvipes
J. A. Roberts
1973-4-12
11
Yuba
3 mi e of road. At U.C. Sierra Foothills Range Field Station.
609
Comment
RSA749429
Thysanocarpus curvipes
Fred M. Roberts
2008-4-14
6893
Orange
Santa Ana Mtns.: Upper Weir Cyn., east fork, 3.4 km E Robbers Peak, Irvine Ranch Conservancy.
433
Comment
UCSB48237
Thysanocarpus curvipes
Roberts, Jr., Fred
1981-5-3
Orange
Santa Ana Mtns.: San Juan Canyon, Hwy 74, rdsd 111, 2.7 km. ENE San Juan Guard Station
321
Comment
SD264147
Thysanocarpus curvipes subsp. curvipes
Jim Roberts, T. Chester, A. Ballway, M. Crouse, J. Dillane, M. Kennedy, M. Peters
2015-3-12
96
San Diego
Fallbrook; Gird Valley Preserve; NW of borrow pit; just W of golf course; 0.33 miles NW of junction Gird Road and Casablanca Way.
141
Comment
SD164511
Thysanocarpus laciniatus var. laciniatus
Fred M. Roberts
2001-4-9
5402
San Diego
Jamul Mtns.: SW slopes, NE of Upper Otay Lake, 5.4 km SE summit Mother Miguel Mtn. Otay Lakes North MSCP parcel. Knoll along ridge on mostly gentle SW-facing slope in rocky, open coastal sage scrub and annual grassland
309
Comment
JEPS54955
Tonella tenella
Harry K. Roberts
1968-4-6
Sonoma
1.5 air mi nne Rio Nido (1 mi ne of Sonoma Mercury Mine, n side of Mt Jackson, on road to lookout); Mt. Jackson
320
Comment
RSA523395
Tonella tenella
Harry K. Roberts
1968-4-6
s.n.
Sonoma
North side of Mt Jackson, 1.5 airline miles NNE of Rio Nido, on road to lookout, ca 1 mile NE of Sonoma Mercury Mine.
320
Comment
RSA679217
Torilis arvensis
Fred M. Roberts
2003-6-17
5916
Orange
Just NE of Falcon roup Camp, 2.1km ESWE Los Pinos Peak just west of main road.
1009
Comment
RSA716779
Torilis arvensis
Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill
2004-6-19
6059
Orange
Santa Ana Mtns: Holy Jim Cyn.: Holy Jim Trail, 3.5km SE summit of Santiago Peak.
610
Comment
UCR247903
Torilis arvensis
Fred M. Roberts
2013-6-12
7791
Orange
Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing.
320
Comment
RSA0014988
Torilis nodosa
Fred M. Roberts
2008-5-20
6988
Orange
Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.8 km NW Bolero Spring and 3.1 km WNW Bolero Lookout. Irvine Ranch Conservancy.
467
Comment
UCR215295
Torilis nodosa
Fred M. Roberts
2008-5-20
6988
Orange
Lomas de Santiago, Loma Ridge, upper Limestone Canyon, 0.8 km NW of Bolero Spring and 3.1 km WNW of Bolero Lookout. Irvine Ranch Conservancy
467
Comment
IRVC21678
Toxicodendron diversilobum
Fred M. Roberts
1975-4-1
75 -30
Orange
San Juan Canyon, 2.4km ENE San Juan Guard Station, Santa Ana Mountains
290
Comment
SD263796
Tragopogon dubius
Jim Roberts, Jeffrey Field
2014-5-18
64
San Diego
Cuyamaca Rancho State Park; near intersection Japacha Fire Road and Highway 79; west side of State Route 79 opposite West Mesa Parking area.
1305
Comment
RSA542344
Tribulus terrestris
Fred M. Roberts, Gordon Marsh
1987-8-31
3598
Orange
Santa Ana River: adjacent to Santa Ana, 0.5 km NE 17th St. bridge
27
Comment
UCSB47603
Trichostema lanatum
Roberts, Fred
1982-4-29
Ventura
Cotharin Road; 1.6km NE Clark Peak; Santa Monica Mountains
377
Comment
UCSB52399
Trichostema lanceolatum
Roberts, Fred
1982-9-5
Orange
Santa Ana Mtns; Chiquito Basin; San Juan Trail; 3.0 km S Los Pinos Peak; 2.2 km SW Blue Jay Campground
905
Comment
JEPS25828
Trichostema laxum
Harry K. Roberts
1961-6-20
Sonoma
N and E of Occidental (Harrison Grade summit)
Comment
SD58366
Trichostema laxum
Harry K. Roberts
1961-6-20
Sonoma
Roadside and open areas at summit of Harrison Grade, north and east of Occidental.
Comment
RSA749431
Trifolium ciliolatum
Fred M. Roberts
2008-4-14
6895
Orange
Santa Ana Mtns.: Upper Weir Cyn., east fork, 3.4 km E Robbers Peak, Irvine Ranch Conservancy.
433
Comment
IRVC21995
Trifolium depauperatum var. truncatum
Fred M. Roberts, G. A. Marsh
1985-3-12
1518
Orange
San Clemente: bluffs above El Camino Real, about 1.1km by road NW Ave. Pico; 0.2km E Bench Mark 16 (sect. 32). southern coastal
30
Comment
RSA688871
Trifolium hirtum
Fred M. Roberts
2003-5-1
5667
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.49km S Gato Gate and just west of Cristianitos Rd. (San Clemente)
84
Comment
RSA749522
Trifolium microcephalum
Fred M. Roberts
2008-4-8
6847
Orange
Lomas de Santiago: Loma Ridge, Upper Dripping Springs Cyn., 1.0 km NE Bee Peak, Irvine Ranch Conservancy.
458
Comment
UCR209354
Trifolium microcephalum
Fred M. Roberts
2008-4-8
6847
Orange
Lomas de Santiago, Loma Ridge, Upper Dripping Springs Cnyn, 1.0 km northeast of Bee Peak, Irvine Ranch Conservancy
458
Comment
RSA599589
Trifolium microcephalum
Fred M. Roberts, Trish Smith, Grey Nichols
1995-4-27
4937
Orange
Irvine: San Joaquin Hills, Moro canyon, Upper West Fork, ca. 1.8km SE Signal Peak.
274
Comment
SD143251
Trifolium willdenovii
Fred M. Roberts
1997-4-11
5002
San Diego
Upper Encinitas Creek watershed east of Rancho Santa Fe Road.
88
Comment
IRVC22685
Trifolium willdenowii
Fred M. Roberts
1985-5-9
1754
Orange
Santa Ana Mountains: Upper McVicker Canyon, 1.8km NE Los Pinos Peak. Peninsular Ranges
1113
Comment
IRVC24837
Trifolium willdenowii
Fred M. Roberts, G. A. Marsh
1986-5-16
2878
Orange
ridge above San Juan Canyon, Sitton Pk. Truck Trail, 3.2km WSW Sitton Peak, Santa Ana Mountains
657
Comment
SD143266
Triodanis biflora
Fred M. Roberts
1997-4-11
4997
San Diego
Carlsbad, upper Encinitas Creek, watershed east of Rancho Santa Fe Road, Fieldstone Southeast ca. 5.7 km southwest Double Peak
88
Comment
CAS-BOT-BC524332
Triteleia ixioides subsp. ixioides
Robert Robertson
1954-5-8
137
Monterey
On slope east of Carmel Cove, Point Lobos
15
Comment
UCSB49459
Triticum aestivum
Roberts, Dar
1983-5-1
Santa Barbara
La Purisima Mission State Historic Park; Purisima Canyon
Comment
RSA678526
Turricula parryi
Fred M. Roberts, D. E. Bramlet
2002-6-6
5522
Orange
Santa Ana Mts: Main Divide Truck Trail, above McVicker Cyn., 1.5 km ENE Los Pinos Pk.
1247
Comment
RSA731761
Typha domingensis
Fred M. Roberts, Sandy Leatherman
2007-11-9
6643
Orange
San Juan Canyon along San Juan Creek. 0.2 km E communiy of San Juan Hot Springs.
222
Comment
UCSB52944
Typha domingensis
Roberts, Fred
1984-8-6
Orange
UC Irvine, along Adobe Circle Road, 0.9km ENE campus center: 2,3km W French Hill
30
Comment
RSA719407
Typha latifolia
Fred M. Roberts, Robert L. Allen
2006-10-8
6428
Orange
San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch.
4
Comment
UC1548585
Typha latifolia
D. A. Roberts
1983-7-23
FS 125
Inyo
2.7 mi s BLM Spring on e side of Fish Slough (4.5 mi n of Bishop, Fish Slough, northern end of Owens Valley); Fish Slough, n end of Owens Valley
1274
Comment
UCSB52945
Typha latifolia
Roberts, Fred
1984-8-6
Orange
UC Irvine, along Adobe Circle Road, 0.9km ENE campus center; 2.3km W French Hill
30
Comment
RSA0127407
Ulmus parvifolia
Fred M. Roberts
2016-5-20
8059
Orange
City of Irvine: San Joaquin Hills, Turtle Rock Community along Ridge Route Road, 1.0 km SE summit of French Hill and just NE intersection with Hillsborough Drive.
122
Comment
SFV12300
Umbellularia californica
W. Roberts
1963-4-10
18
Monterey
East side of Jamesburg Road, 0.1 miles south of Cachagua Road.
427
Comment
UCSB34447
Umbellularia californica
Roberts, Fred
1980-2-2
Santa Barbara
On E side of Refugio Road; 17.7 km N of Highway 101; Santa Ynez Mtns
545
Comment
UCR258626
Urtica dioica
Fred M. Roberts
2014-7-25
7892
Orange
South Coast, SAN JOAQUIN HILLS: Upper Laguna Canyon, Laguna Lake 1 (Upper Laguna Lake), north basin, c.a. 5.1 kn ENE summit Signal Hill. Laguna Coast Wilderness Park
113
Comment
RSA704932
Urtica urens
Fred M. Roberts, David E. Bramlet
2004-4-21
6039
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy, Flagpole Meadow in upper Shady Canyon, 1.63 km NW Sycamore Gate, 1.18 km W of Cristianitos Road.
168
Comment
RSA749360
Urtica urens
Fred M. Roberts
2008-4-15
6899
Orange
Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., east ridge, Conservation Trail, 1.6 km ESE Rattlesnake Reservoir dam and 2.7 km WSW Bee Peak, Irvine Ranch Conservancy.
172
Comment
UCSB47982
Urtica urens
Roberts, Fred
1980-2-17
Orange
Corner of Calle Arroyo and Calle Siega near San Juan Creek south of Highway 74, San Juan Capistrano
39
Comment
UCD118096
Vaccinium ovatum
Warren Roberts
1973-9-20
SCI 73 5
Santa Barbara
Santa Cruz Island.
Comment
UCSB56678
Venegasia carpesioides
Roberts, Jr., Fred
1984-1-29
Orange
Laguna Niguel: Niguel Hill, 2.5km SE Aliso Peak; 1.7km ESE Bench Mark 133; along Pacific Island Road
133
Comment
UCR209399
Veratrum californicum
Fred M. Roberts, Scott E. Eliason
2007-8-23
6562
San Bernardino
San Bernardino Mountains, ridge south of Big Bear Lake, Upper Metcalf Creek near Mill Creek Road, 0.6 km east of Boulder Group Camp and 1.1 km northwest of Merriman Meadows
2252
Comment
RSA0042532
Verbascum virgatum
Fred M. Roberts
2013-5-30
7777
Orange
Lomas de Santiago: Santiago Creek wash, at Santiago Canyon Road bridge (south side), 0.3km W jct. Silverado and Santiago Canyon Roads.
299
Comment
RSA542376
Verbascum virgatum
Fred M. Roberts
1988-5-25
4581
Orange
Rancho Mission Veijo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Marker.
91
Comment
RSA0028030
Verbena bracteata
Fred M. Roberts, Laura Cohen
2012-10-31
7711
Orange
San Joaquin Hills: Laguna Lake 1 (Upper Laguna Lake), north end. Laguna Coast Wilderness Park, ca. 5.1 kilometers ENE Signal Hill.
113
Comment
RSA599633
Verbena bracteata
Fred M. Roberts Jr., Nigel Hancock
1995-5-25
4948
Orange
Costa Mesa: Fairview Park, just west of end of Canyon Drive, 0.1 km W Canyon School.
24
Comment
UCSB52440
Verbena gooddingii
Roberts, Fred
1982-5-15
San Bernardino
Mid Hills: Upper Macedonia Canyon, along Wild Horse Cyn. Rd., 4.3km SSW Mid Hills Campground
1607
Comment
UCR247913
Verbena lasiostachys var. scabrida
Fred M. Roberts
2012-7-18
7680
Orange
SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill
37
Comment
RSA542347
Verbena tenuisecta
Fred M. Roberts Jr.
1988-2-6
3775
Orange
Newport beach: Balboa Island, Diamond Ave. south of Park Avenue
2
Comment
RSA0008497
Verbesina dissita
Fred M. Roberts, Leo Song
2002-8-1
5527
Orange
San Joaquin Hills; Laguna Beach, South flank Temple Hill adjacent to 739 Nyes Place; 0.9km ENE Sugarloaf Pt.
164
Comment
RSA716090
Verbesina dissita
Fred M. Roberts
2006-7-27
6395
Orange
San Joaquin Hills: Laguna Beach, Temple Hill, 731 Nyes Place, 1.0km NNE Golf Island.
174
Comment
RSA717045
Verbesina encelioides subsp. exauriculata
Fred M. Roberts, Michelle L. Balk
2005-10-1
6288
Orange
Brea: northbound SR 57 at Lambert offramp, 0.5km S Lambert Road above railroad overpass.
126
Comment
RSA731930
Veronica anagallis-aquatica
Fred M. Roberts, Sandra Leatherman
2007-11-27
6680
Orange
Yorba Linda: drainage channel on east side of Amberdale Dr. c.a. 0.3km S Fairmont Blvd.
118
Comment
RSA708229
Veronica peregrina subsp. xalapensis
Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts
2005-4-10
6161
Orange
Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos).
24
Comment
UCR162887
Veronica peregrina subsp. xalapensis
Fred M. Roberts, D. E. Bramlet
2005-4-1
6145
Riverside
Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field
457
Comment
RSA599586
Veronica peregrina subsp. xalapensis
Fred M. Roberts
1995-4-21
4934
Orange
Irvine: North of Quail Hill near jct of University and I-5 Hwy, 1.8 km NE of French Hill.
40
Comment
RSA666091
Veronica peregrina var. xalapensis
Fred M. Roberts, Michelle Lee, Kristen Szabo
2001-4-13
5431
Orange
Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4.
226
Comment
UCSB47579
Vicia americana
Roberts, Fred
1980-4-3
Orange
San Juan Canyon, Hwy. 74, bank across from entrance to Lower San Juan Picnic Ground, Santa Ana Mountains
410
Comment
IRVC24911
Vicia americana var. americana
Fred M. Roberts, G. A. Marsh
1986-6-6
2985
Orange
Black Star Canyon, Black Star Canyon Rd., 2.7km by road below summit; 3.6km S Sierra Peak, Santa Ana Mountains
646
Comment
UC1595728
Vicia americana var. americana
Fred M. Roberts Jr. and Carol A. Roberts
1989-4-7
4263
Orange
ca 0.4 km w Moulton Peak; Aliso-Wood Canyons Regional Park, Upper Wood Canyon
104
Comment
RSA0011250
Vicia americana var. americana
Fred M. Roberts, Carol A. Roberts
1989-4-7
4263
Orange
Aliso-Wood Canyon Regional Park: Upper Wood Canyon, ca. 0.4 km W Moulton Peak.
104
Comment
UCSB36140
Vicia benghalensis
Roberts, Dar
1980-3-7
San Luis Obispo
1.5 miles NW Campus Cal Poly S.L.O., in Polly canyon
135
Comment
SD197784
Vicia ludoviciana
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5781
San Diego
Peninsular Range: San Ysidro Mtns.: Otay Mountain, head of canyon.
Comment
UCR128545
Vicia ludoviciana var. ludoviciana
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5781
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
427
Comment
IRVC28062
Viguiera laciniata
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5768
San Diego
Otay Mtn; head fo canyon ca. 2 miles NW of Otay Mtn Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
427
Comment
RSA0014063
Viguiera laciniata
Fred M. Roberts
2008-5-30
7016
Orange
Lomas de Santiago: Santiago Creek wash, south of Irvine Mesa, 1.3 km SSE Silverado Sch., Irvine Ranch Conservancy.
328
Comment
UCR128412
Viguiera laciniata
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5768
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
427
Comment
UCR128514
Viguiera laciniata
Fred M. Roberts, Andy Pigniolo, Kam Muri
2003-5-3
5702
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, south side near crest of ridge east of lower 'Butteweg Canyon' along the border trail, Tijuana River watershed
305
Comment
UCR239643
Vinca major
Fred M. Roberts
2012-5-9
7556
Orange
Santa Ana Mountains, Lake Forest, along Serrano Creek hiking trail, 1.0 m south-southwest of intersection of Commercentre and Dimension Drives
171
Comment
UCSB47978
Vinca major
Roberts, Fred
1980-2-17
Orange
Besdie road ditch wish Baccharis glutinosa. Along Camino Capistrano road 1.0 km south of Avery Parkway
48
Comment
SEINET215137
Viola douglasii
E. Roberts
1964-3-24
5
Lake
Ca. 5 miles north of Lakeport along State Highway 29
Comment
RSA0014072
Viola pedunculata
Fred M. Roberts
2008-5-28
7013
Orange
Lomas de Santiago: Loma Ridge, central Limestone Cyn., 2.6 km ENE Bee Peak and 0.7 km SW Silverado Sch., Irvine Ranch Conservancy.
322
Comment
RSA610235
Viola pedunculata
Fred M. Roberts Jr.
1997-2-7
4977
Orange
Rancho Misssion Viejo: Calif. Rte. 74 circa 6.8 km EInterstate 5 ( San Juan Capistrano) opposite the mouth of Canada Gobernadora, 1.2 km NE Viejo Survey Mark
88
Comment
RSA542346
Viola pedunculata
Fred M. Roberts Jr.
1987-4-3
3352
Orange
Irvine: San Joaquin Hills, Shady Canyon, 2.5 km ENE Signal Peak
133
Comment
RSA0121736
Vitis girdiana
Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill
2004-6-19
6058
Orange
Santa Ana Mtns: Holy Jim Cyn.: Holy Jim Trail, 3.5km SE summit of Santiago Peak.
610
Comment
RSA584703
Vulpia microstachys var. pauciflora
Fred M. Roberts, Carol A. Roberts
1989-5-11
4351
Orange
Upper Gypsum Canyon, along ridge road, 5.6km SW Sierra Peak
472
Comment
RSA775580
Vulpia microstachys var. pauciflora
D. Roberts
1983-4-16
LP 390
Santa Barbara
NE of the upper reservoir. La Purisima Mission State Historic Park, 2 km NE of Lompoc City Limit
Comment
RSA548873
Vulpia myuros var. hirsuta
Fred M. Roberts
1989-3-22
4217
Orange
Aliso-Wood Regional Park: Lower Wood Canyon, 3.6km SSE Moulton Peak.
38
Comment
UCSB43425
Vulpia myuros var. hirsuta
F. M. Roberts, Jr.
1982-3-22
458
Santa Barbara
collected 0.3 km W along the Central Valley, in Santa Cruz Island UCSB Field Station - UCSB Field Station
80
Comment
RSA773499
Vulpia octoflora
Fred M. Roberts
1999-5-14
5219
Orange
Peninsular Ranges; Santa Ana Mts.: Lomas de Santiago, Loma Ridge; Upper Limestone Canyon on slopes above Bolero Spring, 2.4 km NNW Bolero Lookout
451
Comment
SD135156
Vulpia octoflora var. octoflora
Fred M. Roberts
1993-4-24
4861
San Diego
Carlsbad: Arroyo la Costa, just north of Mission Estancia Road, 5.2 km southwest [of] Lake San Marcos Dam Occasional on gentle, west-facing slope in disturbed sandy opening in chamise chaparral
73
Comment
SD143278
Vulpia octoflora var. octoflora
Fred M. Roberts
1997-4-11
5006
San Diego
Carlbad:Upper Encinitas Creek watershed east of Rancho Santa Fe Road,Fieldstone Southeast,ca. 5.7km southwest Double Peak Occasional on gentle east-facing slope in open mosaic of coastal sage scrub and native grassland that had burned in October 1996.
88
Comment
RSA725524
Washingtonia filifera
Fred M. Roberts, Robert L. Allen
2007-9-28
6600
Orange
Foothill Trabuco area: Upper Aliso Creek at SE corner of El Toro Road and Valle Vista Way, c.a. 1.8 km NE Upper Oso Reservoir.
308
Comment
IRVC23171
Woodsia oregana
Fred M. Roberts, Dar A. Roberts, C. Wilson
1982-5-16
629
San Bernardino
Keystone Canyon; 0.4km ENE Keystone Spring and 1.3km N sagamore Mine Mojave Desert, New York Mountains
1856
Comment
UCSB42760
Woodwardia fimbriata
Roberts, Dar
1982-3-24
Santa Barbara
Lady's Harbor drainage; 1.3km N by NW of Devil's Peak, Santa Cruz Island.
Comment
UCSB42761
Woodwardia fimbriata
Roberts, Dar
1982-3-24
Santa Barbara
Lady's Harbor drainage; 1.3km N by NW of Devil's Peak, Santa Cruz Island.
Comment
RSA703093
Xanthium strumarium
Fred M. Roberts, Art Davenport
2003-9-11
6003
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road.
126
Comment
RSA708732
Xanthium strumarium
Fred M. Roberts, Robert L. Allen, Chris M. Barnhill
2004-8-21
6116
Orange
Santa Ana Mountains; Casper Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, ca. 0.4 km SW San Juan Ranger Station, N of SR 74.
214
Comment
UC1548582
Xanthium strumarium
D. A. Roberts
1983-7-23
FS 93
Mono
ne end Fish Slough (n end of Owen Valley); , Rocked-in-Spring
Comment
UCSB52428
Xanthium strumarium
Roberts, Jr., Fred
1982-9-15
Orange
Dana Point; hills, 1.0 km. N Dana Hills High School; 1.9 km. NE Bench Mark 150
90
Comment Read comments Dec 12 2018
UCR128416
Xylococcus bicolor
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5799
San Diego
Peninsular Range, San Ysidro Mountains, Otay Mountain, head of canyon c. 2 mi. airline NW of Otay Mt. peak, c. 0.4 mi. WSW of peak 2242
470
Comment
RSA649011
Xylorhiza tortifolia
Jeni L. Roberts, Christine Koller
1991-4-29
7
San Bernardino
Within Victorville City Limits. On National Trails Highway, 2.5 miles north of I 15. (100') ? east of the highway, 20' fromt he bank of the Mojave River.
Comment
IRVC28488
Yucca whipplei
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5793
San Diego
Otay Mtn; head of cyn 2 miles NW of Otay Peak, ca. 0.4 mile WSW of peak 2242. Peninsular Ranges, San Ysidro Mountains
470
Comment
RSA691030
Yucca whipplei var. whipplei
Fred M. Roberts, Mike White, D. Flietner
2003-5-4
5793
San Diego
San Ysidro Mtns.: Otay Mountain, head of canyon ca. 2 mi. airline NW of Otay Mt. peak, ca. 0.4 mi. WSW of peak 2242.
470
Comment
RSA362300
Zannichellia palustris
Fred M. Roberts, E. Fisher
1985-6-17
s.n.
Orange
O neill Regional Park, Arroyo Trabuco, Well, 1.7km NNE jct Arroyo Trabuco and Tijeras Canyon.
180
Comment Read comments Feb 22 2019
RSA539343
Zannichellia palustris
Fred M. Roberts
1987-8-6
3584
Orange
Irvine: El Modena Irvine Channel at Myford crossing 1.5km E Irvine Siding.
18
Comment
UCSB47999
Zeltnera venusta
Roberts, Fred
1980-6-29
Orange
Santa Ana Mtns; Viejo Canyon; 0.4km N Calif Rte 74; 2.2km ENE San Juan Guard Station
103
Comment
RSA542515
Zigadenus fremontii
Fred M. Roberts
1987-4-13
3365
Orange
Laguna Beach: Goff Ridge, south of Nyes Place Road, 0.9 kilometers NNE Goff Island.
169
Comment
RSA594893
Zigadenus fremontii
Fred M. Roberts, Sandy Leatherman, Brian Leatherman
1994-4-24
4906
Orange
Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1.2 kilometers SW Lower San Juan Picnic Ground.
390
Comment