Search Results — 2000 specimen records retrieved (1895 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA518562  Abies concolor F. C. Vasek 1976-7-4 760704 -5 Riverside San Jacinto Mountains, Pine Cove. 1829 Comment
  UCSB21  Abies concolor Zellhoefer, Judi 1960-5-14 Riverside Black Mt. Camp, Highway 74; San Bernardino National Forest; San Jacinto Mts. Comment
  SBBG69828  Abronia villosa M. N. Ackley 1929-5-19 687 Riverside Hemet 484 Comment
  SDSU8426  Abronia villosa Thomas A. Zink 1971-3-1 Riverside Scattered plants growing in the dry, sandy bottom of the San Jacinto River, near the bridge at the junction of State Highway 74 and Soboba Springs Rd. 488 Comment
  RSA735606  Abronia villosa var. aurita LeRoy Gross, Duncan S. Bell 2008-9-16 3582 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  RSA78301  Abronia villosa var. aurita P. A. Munz, E. K. Balls 1952-8-21 17989 Riverside Head of Hemet Valley 1494 Comment
  UCR234277  Abronia villosa var. aurita A. C. Sanders 2012-4-12 40025 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. Comment
  RSA461198  Abronia villosa var. villosa E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 60 Comment
  RSA717471  Abronia villosa var. villosa Scott D. White, Andrea Warniment 2006-3-22 11268 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  JEPS64732  Acacia greggii W. L. Jepson 1912-10-29 5246 a Riverside near Blach Point (Riverside Mountains, along the Colorado River, Blythe Intake, Needles to Yuma); Riverside Mountains, Colorado River, Blythe Intake 88 Comment
Read comments
May 15 2011
  RSA651434  Acacia greggii Harold Lint 1952-5-25 s.n. Riverside Palms to Pines Hwy. Comment
  RSA414904  Acacia greggii var. arizonica N. C. Cooper 1943-10-8 964 Riverside Banning. Comment
  LA210544  Acamptopappus sphaerocephalus Harlan Lewis; 1935-4-6 1160 Riverside Palm Springs 152 Comment
  SBBG35092  Acamptopappus sphaerocephalus var. sphaerocephalus T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  UCR132776  Acer negundo S. J. Myers 2001-4-26 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  RSA494635  Achnatherum coronatum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA707841  Achnatherum hymenoides L. M. Prince, N. Refulio 2002-3-16 2 -272 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
  SEINET1909738 Image available Achnatherum hymenoides Sarah De Groot, Mark Porter 2006-1 5198 Riverside North foot of San Jacinto Mountains, between Snow Creek and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  CAS-BOT-BC210884  Achnatherum parishii subsp. depauperatum H. M. Hall 1901-6-1 2309 Riverside San Jacinto Mountains. Near Tauquitz [Tahquitz] 2133 Comment
  POM1073  Achnatherum speciosum H. M. Hall 1905-5-10 6004 Riverside Cottomwood Pass. 610 Comment
  SEINET12558045 Image available Achyronychia cooperi Mary F. Spencer 1920-1 1436 Riverside Palm Springs, Colorado Desert 122 Comment
  UCR246722  Acleisanthes longiflora Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4353 Riverside Sonoran (Colorado) Desert, Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam 97 Comment
  SBBG133770  Acmispon brachycarpus A. C. Sanders 2011-4-26 39327 Riverside Alberhill Mtn, S side near Nichols Rd, ca. 350 m WNW (276 deg ) of Nichols Rd and Pierce St intersection 395 Comment
  UC1971243  Acmispon maritimus Scott D. White 1998-6-28 6791 Riverside CORONA: River Road bridge over the Santa Ana River. USGS 7.5' Corona North quad. Comment
  UCSB45964  Acmispon rigidus Roos, John 1966-2-12 Riverside Chuckwalla Mtns., 2 1/2 miles SE of Desert Center Comment
  OBI52764  Acmispon strigosus Steve Myers 1988-2-4 s.n. Riverside Northgate Estates dev, immed NW of Cyn Lake T5S R4W SE1/4, sec 27 488 Comment
  SFV22080  Acmispon strigosus T. Stoughton, C. Gabriel, S. Rockwood 2011-3-29 891 Riverside San Bernardino Mountains Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. 915 Comment
  RSA512757  Acourtia microcephala W. Wisura, Bart O Brien, M. Durant 1990-6-12 4446 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  CDA14288  Acroptilon repens R. O'Connell 1998-7-8 s.n. Riverside at Santa Ana River Regional Park. 0 Comment
  RSA775668  Adenophyllum porophylloides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 804 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SD229252  Adenostoma sparsifolium Dick Schwenkmeyer 2012-3-26 667 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCR129814  Adenostoma sparsifolium Fred M. Roberts 2003-7-11 5962 Riverside Santa Ana Mtns., just east of Bear Creek, 0.5 km SE Upper San Juan Campground 668 Comment
  RSA696465  Agave deserti subsp. deserti J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mountain Comment
Read comments
Nov 7 2015
  UC489012  Agnorhiza ovata C. V. Meyer 1929-6-18 783 Riverside Hemet Valley San Jacinto Mts. 1341 Comment
  RSA505020  Agoseris retrorsa D. Charlton 1988-5-21 1917 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA384966  Agrostis exarata E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCSB37907  Agrostis exarata Sanders, A. 1980-7-18 Riverside San Yacinto Mtns; Thomas Mtn, Spillway Canyon 2 mi SW of Hwy 74 along Thomas Mtn Rd. T6S, R3E, S1/2 sec 17 1463 Comment
  UC36941  Agrostis idahoensis H. M. Hall 1897-8-10 784 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2651 Comment
  RSA131724  Agrostis pallens E. K. Balls 1958-6-27 23301 Riverside Between Santiago Peak and Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  RSA591753  Agrostis pallens E. W. Lathrop 1966-5-29 6377 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  CAS-BOT-BC138653  Agrostis stolonifera Ralph Hoffman 1929-9-7 s.n. Riverside Mount San Jacinto. 1645 Comment
  UCR162540  Albizia julibrissin Michael D. Wilcox 2005-7-28 s.n. Riverside Upper Santa Ana River Basin, Riverside, east of Mt. Rubidoux, 4737 Indian Hill Road off Mission and adjacent to Santa Ana River 244 Comment
  RSA289856  Allenrolfea occidentalis B. A. Prigge 1980-12-15 4122 Riverside Whitewater Marsh: 4 miles S of Mecca. -70 Comment
  UC116545  Allenrolfea occidentalis T. S. Brandegee 1901-4-4 Riverside Colorado Desert Comment
  CAS-BOT-BC434478  Allionia incarnata Peter H. Raven 1958-3-15 11849 Riverside Box Canyon Comment
  UCR144755  Allionia incarnata Scott D. White, Michael Honer 2003-5-14 9302 Riverside Sonoran (Colorado) Desert, bajada at foothills of Little Maria Mtns, c. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine 122 Comment
  UCR19401  Allionia incarnata Carl Epling, H. Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mountains Comment
  POM14403  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  POM230625  Allium haematochiton I. W. Clokey 1935-4-18 6555 Riverside Gavilan Peak 600 Comment
  SEINET8467179 Image available Allium haematochiton S. D. White 2001-4-19 8376 Riverside Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 442 Comment
  UCR142192  Allium munzii June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  SEINET12043914  Allium praecox I. W. Clokey, Anderson, E. G. 1935-1 6550 Riverside E of Hemet 640 Comment
  RSA751183  Allium unifolium S. Morgan 1995-5-18 s.n. Riverside UCR Botanical Garden. Emma Swets Bilb Garden, Garden Grid Cell E-9. Comment
  CLARK-A1528-316  Alnus rhombifolia John C. Roos 1951-9-25 5298 Riverside Riverside 259 Comment
  RSA482217  Alopecurus aequalis Richard Noyes, L. Arnseth 1988-9-11 737 Riverside San Jacinto Mountains: Lake Fulmor, 6 air miles northwest of Idyllwild. 1616 Comment
  RSA198991  Alopecurus saccatus R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  JEPS123742  Aloysia wrightii J. Andre, T. La Doux 2008-9-16 10685 Riverside Joshua Tree National Park: JTNP: along Bell Mountain Road, atop Bell Mountain approx. 0.3 mi N of radio tower. Queen Mountain 7.5' USGS Quad. Comment
  UCR264250  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2015-9-10 41862 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR215452  Amaranthus torreyi Jim Andre, T. La Doux 2008-9-16 10686 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  CAS-BOT-BC13613  Ambrosia acanthicarpa L. R. Abrams 1926-3-26 11037 Riverside Palm Springs Comment
  CLARK-A1528-1533  Ambrosia acanthicarpa John C. Roos 1965-9-26 Riverside San Jacinto Mountains Comment
  RSA736529  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-7-2 10575 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  CLARK-A1528-163  Ambrosia dumosa Sally Bell 1964-3-24 Riverside Thousand Palms 60 Comment
  RSA457783  Ambrosia dumosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SDSU6231  Ambrosia dumosa A. H. Gallup 1949-3-28 355 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert], east slope, San Jacinto Mt. Range 762 Comment
Read comments
Jan 30 2013
  UC724343  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-28 3297 Riverside near n end, on Hwy 111, Salton Sea Comment
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Jul 14 2012
  UCR275449  Ambrosia dumosa Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-31 946 Riverside Sonoran (Colorado) Desert, wash crossing Midland-Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UC111300  Ambrosia ilicifolia E. E. Schellenger c. 1912 4 Riverside Santa Maria Mts.; Colorado Desert Comment
  UCSB9148  Ambrosia psilostachya Ballard 1954-10-26 Riverside 3 miles south of Men's Reform School (Chino Institute), Chino 182 Comment
  UCR250383  Ambrosia pumila A. C. Sanders, John F. Green 2014-4-4 40966 Riverside Peninsular Range; Elsinore Trough, N of Elsinore near Alberhill, at intersection of Baker St. and Pierce St. 389 Comment
  RSA0089626  Amsinckia intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3881 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  SD6721  Amsinckia intermedia Daniel Cleveland Apr 1887 Riverside San Jacinto Comment
  UC306211 Image available Amsinckia intermedia Ivan Johnston 1917-3-1 Riverside mouth Andreas Canyon; ; Mouth of Andreas Canon 243 Comment
Read comments
Nov 27 2010
  UCR127326  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA0089609  Amsinckia intermedia Steve Boyd 1986-3-9 1391 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA0089630  Amsinckia intermedia F. R. Fosberg 1932-5-9 10638 Riverside St. Johns Grade near Hemet. 770 Comment
  RSA594767  Amsinckia menziesii var. menziesii D. L. Banks, Dylan Hannon 1996-5-3 988 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  RSA776631  Amsinckia menziesii var. menziesii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 945 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  RSA799079  Amsinckia menziesii var. menziesii Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6876 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 Comment
  UC455990  Amsinckia menziesii var. menziesii I. J. C. O. Edwards 1908-5-31 Riverside Estudillo Rancho; San Marguerita Comment
  RSA0089923  Amsinckia menziesii var. menziesii Carol Shideler 1981-4-11 13 Riverside Lake Mathews, El Cerrito, east on Cajalco Road, 6 miles east of Corona, 0.5 mile west of Pacific Clay Comp., mil. 52086.2. Comment
  RSA27891  Amsonia brevifolia var. tomentosa C. L. Hitchcock 1940-3-31 5883 Riverside 0.5 mile below Cottonwood Springs Comment
  RSA403050  Amsonia brevifolia var. tomentosa Jack Rempel, de Forest 1935-4-14 s.n. Riverside Near Cottonwood Springs. Mohave Desert. Comment
Read comments
Jun 10 2012
  SDSU13504  Anagallis arvensis W. Miller with C. Mosse 1972-7-12 Riverside Comment
  RSA586498  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 0329 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR174359  Ancistrocarphus filagineus A. C. Sanders 2006-5-19 32383 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR281211  Ancistrocarphus filagineus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 40 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  UCD56048  Andropogon glomeratus Lewis S. Rose 1945-12-23 45298 Riverside Colorado Desert, Palm Springs. 137 Comment
  UCR150019  Anemopsis californica Scott D. White, Angelia Carey 2004-5-7 10341 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR95237  Anemopsis californica D. L. Banks, Dylan Hannon 1996-5-3 1008 Riverside NW Palomar Mtns, Agua Tibia Mtns; Cleveland National Forest, north of Agua Tibia Wilderness Area; 60 m NW of the end of the Dripping Springs campground drive, where the road makes a loop turn-around, west of the campground road. 494 Comment
  CSUSB1479  Anthemis cotula Rita Gibbons 1975-6-5 S. N. Riverside Reche Canyon Rd., 4 miles from Barton Rd. Comment
  RSA263677  Antirrhinum coulterianum E. W. Lathrop 1968-5-2 6953 Riverside Mian DIvide Truck Trail between El Carriso and San Mateo Canyon. Cleve Nat'l forest 1220 Comment
  JEPS5315  Antirrhinum filipes Lawrence Saylor 1935-3-25 222 Riverside 25 mi s 29 Palms Comment
  SD137929  Apiastrum angustifolium Darin L. Banks, Steve Boyd 1995-4-5 154 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove. 505 Comment
  UCR106859  Apiastrum angustifolium Kathleen Stockwell 1998-3-22 s.n. Riverside Murrieta Hot Springs, Warm Springs Creek, between Hwy 79 and the Hogbacks, south of Los Alamos Rd. and north of Hunter Rd. 400 Comment
  RSA561107  Apocynum cannabinum Steve Boyd, D. E. Bramlet, Timothy S. Ross 1993-5-12 7327 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
Read comments
Oct 30 2011
  RSA477448  Arabis glaucovalvula E. C. Jaeger 1922-4-22 s.n. Riverside Keyes Ranch. Comment
  UCR27029  Arabis johnstonii T. P. Krantz 1978-5-30 S.N. Riverside San Jacinto Mtns., Quinn Flat, on E side of meadow Comment
  CLARK-A1045-133  Arabis perennans George K. Helmkamp 1977-5-20 Riverside Deep Canyon mouth of Deep Canyon; Palm Desert 15'Q Comment
  UCR21187  Arabis pulchra A. C. Sanders 1980-5-1 1383 Riverside San Jacinto Mtns, Garner Valley area, 0.7 mi NE of the Kenworthy R.S. on Morris Ranch Rd. 1524 Comment
  CAS-BOT-BC410048  Arceuthobium campylopodum Geo. B. Grant July 01 1113 Riverside San Jacinto Mountains Comment
  UCR268273  Arctostaphylos glandulosa Jim Andre 2012-6-15 30514 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  POM250403  Arctostaphylos glandulosa subsp. adamsii I. W. Clokey, E. G. Anderson 1935-4-16 6788 Riverside Hemet. 900 Comment
  HSC47418  Arctostaphylos glauca Richard Spjut, C. E. Edson 1978-5-5 5018 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. 915 Comment
  LA34912  Arctostaphylos glauca Mary V. Hood; 1945-3-25 45- 3 k* Riverside Iron Spring, Aguanga 609 Comment
  RSA631783  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19279 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631796  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19562 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631801  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15531 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA631805  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21812 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  UCR111068  Arctostaphylos glauca Heidi A. Haid 1969-8-20 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
Read comments
Feb 3 2017
  UCR121346  Arctostaphylos glauca A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25025 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR278096  Arctostaphylos glauca A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42679 Riverside Peninsular Range; San Jacinto Mountains, north side of Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1316 Comment
  POM367326  Arctostaphylos glauca var. glauca Ora M. Clark 1929-4-6 1953 Riverside South of Hemet. Comment
  RSA0054854  Arctostaphylos patula Anonymous 1938-5-26 s.n. Riverside Hurkey Creek. Comment
  UCR187498  Arctostaphylos pringlei Theresa Johnson 2006-7-26 249 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 at Pine Cove 1890 Comment
  CAS-BOT-BC46338  Arctostaphylos pungens Peter H. Raven 1959-5-18 14242 Riverside Lake Fulmor, San Jacinto Mts. Comment
  SD229131  Arctostaphylos pungens Dick Schwenkmeyer 2012-3-26 680 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UCR92376  Arctostaphylos pungens F. M. Reed 1928-7-10 6016 Riverside San Jacinto Mtns, Hillsides about Strawberry Valley, Idyllwild 1677 Comment
  RSA635991  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19536 Riverside West of Temecula, off Carancho Rd., 2.3 km west of Via Volcano, eastern Santa Margarita Mtns. 430 Comment
  RSA635995  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21613 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  UCR139243  Arenaria douglasii A. C. Sanders, Kate Kramer 2003-6-11 26882 Riverside San Jacinto Mtns., Garner Valley, southwest side of the valley, foot of Thomas Mtn., west of Hwy 74 on south side of Ramona Truck Trail 1402 Comment
  SD232214  Arenaria macradenia subsp. macradenia Scott D. White, Justin M. Wood 2008-6-17 12182 Riverside San Jacinto Mountains: Garner Valley - Kenworhty Station (USFS). Meadow and adjacent uplands. 1378 Comment
  SEINET269561  Argemone munita Scott D. White 1996-5-27 4074 Riverside Jackrabbit Canyon: east of Moreno Valley and south of Calimesa between State highway 60 and gilman Spring Road West and 518 Comment
  UC1040951  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-5-22 2112 Riverside 2.8 mi se Palm Springs Comment
  UCSB2119  Argemone munita Beeks, Richard 1952-4-4 Riverside 2.15 miles W. of junction of U.S. 60, U.S. 70, and U.S. 195 Comment
  POM285867  Argemone munita subsp. munita Gerald B. Ownbey 1954-6-24 2170 Riverside 0.1 mi. w. of Radec. 517 Comment
  RSA736796  Argemone munita subsp. munita Scott D. White, Angelia Carey 2004-7-2 10568 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  CAS-BOT-BC207125  Argythamnia lanceolata Theodore Labouchere 1915-4-1 204 Riverside Borders of the Colorado Desert along the easterly base of San Jacinto Mountain, not far from Palm Springs. Comment
  JOTR31851  Aristida adscensionis La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2109 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA778404  Aristida adscensionis Stephanie Rockwood, Christi Gabriel 2011-10-5 63 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  RSA786536  Aristida adscensionis C. P. Cowan 1978-4-23 1225 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  UC729728  Aristida adscensionis Carl B. Wolf 1932-4-27 2987 Riverside on Blythe Rd 14 mi e Mecca (e of Shavers Well); Colorado Desert 152 Comment
  POM219941  Aristida adscensionis var. modesta F. R. Fosberg 1932-3-13 8102 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA0043032  Aristida purpurea Duncan S. Bell, Evan Meyer 2014-4-3 6535 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  UCR19682  Aristida purpurea var. parishii John C. Roos 1940-2-17 891 Riverside Peninsular Range, Reche Canyon 'Plateau 457 Comment
  JOTR36188  Aristida purpurea var. purpurea La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3337 Riverside Joshua Tree National Park. Queen Mountain; near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  UCR176585  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside, weed at residence at 4291 Alta Vista Dr. 259 Comment
  SD233728  Artemisia douglasiana A. C. Sanders, Kelly Volansky 2003-10-16 27350 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  SD5834  Artemisia douglasiana F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mountains. Comment
Read comments
Aug 21 2007
  UCR114009  Artemisia douglasiana Mitch Provance 2000-6-24 2053 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CAS-BOT-BC90573  Artemisia dracunculus H. A. Dutton 1899-1 s.n. Riverside Elsinore Comment
  POM247454  Artemisia dracunculus Philip A. Munz 1941-10 17239 Riverside On Palms to Pines HIghway, north base of Santa Rosa Mts. Comment
  UCR138554  Artemisia dracunculus Steve Boyd, D. E. Bramlet 1988-10-8 2880 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR277729  Artemisia dracunculus Mitch Provance 2012-10-15 1012- 06 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  JEPS37034  Artemisia ludoviciana subsp. ludoviciana Carl V. Meyer 1928-7-30 573 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow (dry edge of meadow on n slope) 1676 Comment
  POM122002  Artemisia tridentata subsp. tridentata Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  SEINET195890  Asclepias californica F. A. Thackery 1928-5-22 478 Riverside Banning Hights. Comment
  UCR174621  Asclepias californica Jennifer H. Jones 2006-6-6 390 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  SD245239  Asclepias eriocarpa R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49540 Riverside Santa Ana Mountainss: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  UCR34994  Asclepias eriocarpa L. B. Ziegler 1972-6-26 487 Riverside San Jacinto Mtns, [Hemet] Garner Valley 1400 Comment
  RSA401229  Asclepias erosa Francis Fultz 1921-5-1 3413 Riverside Near Indio. Colorado Desert. Comment
  UCSB12491  Asclepias erosa Breedlove, Dennis 1961-9-11 Riverside 20 mi. W of Blythe on U.S. 60-70 1066 Comment
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Mar 29 2014
  SBBG58650  Asclepias subulata R. H. Nordhoff 1940-11-10 608 Riverside near Thousand Palms Cyn Comment
  SEINET10779850  Asclepias subulata F. A. Thackery 1928-5-10 Thackery 134 Riverside Rincon 314 Comment
  RSA0086466  Asparagus officinalis Mitch Provance 2013-4-8 413 -13 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  UCR129604  Aspidotis californica Marcus E. Jones 1930-3-5 26519 Riverside Temescal Valley/Santa Ana Mtns., Glen Ivy 488 Comment
  UCR89799  Aspidotis californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3341 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CLARK-A1528-5445  Aster menziesii John C. Roos 1951-10-19 Riverside San Timoteo Canyon dry, semi-alkaline road side; with Artemisia douglasiana and Distichlis stricta; ; El Casco 7.5' 609 Comment
  SEINET269464  Aster subulatus Scott D. White, Steve Ogg 1994-10-17 2484 Riverside Temecula Murrieta Creek channel 1000 ft. north of bridge at Rancho Calif. Avenue. 305 Comment
  UCR92306  Aster subulatus Scott D. White 1994-10-17 2484 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  RSA795930  Astragalus aridus Duncan S. Bell 2009-4-18 234 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UC69321  Astragalus aridus L. A. Greata April 1905 Riverside Coachella Comment
  UCR214564  Astragalus aridus A. C. Sanders 2010-3-15 37408 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR144403  Astragalus didymocarpus var. didymocarpus Scott D. White 2001-4-19 8383 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  CAS-BOT-BC182584  Astragalus didymocarpus var. dispermus Carl B. Wolf 1937-4-6 8430 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom 30 Comment
  CAS-BOT-BC182589  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 563 -6711 Riverside Palm Springs Comment
  RSA45537  Astragalus didymocarpus var. dispermus J. C. Roos 1949-3-9 4113 Riverside Near Indio Comment
  OBI35666  Astragalus douglasii var. parishii Louis B. Ziegler 1972-5-15 460 Riverside San Jacinto Mts - Hemet (Garnder) Valley 1402 Comment
  RSA498263  Astragalus douglasii var. parishii H. de Forest, Jack Rempel 1933-6-25 18032 Riverside Along road from Banning. Comment
  SEINET10903588  Astragalus douglasii var. parishii Barbara J. Ertter, Jeffrey Strachen 1980-5-21 Ertter 3484 Riverside Santa rosa mt road about 2 mi s of hwy 74, rivulets on se slope. Moist granitic Sand of opeing in chaparral, t7s, r5e, sec 19. Prostrate, flowers yellow, pods, Inflated. 1585 Comment
  RSA642091  Astragalus filipes Orlando Mistretta, Mark Elvin 1995-6-19 1780 Riverside San Jacinto Mountains.: [State Hwy 74] 1433 Comment
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Jan 1 2007
  RSA0043376  Astragalus filipes John F. Emmel 1996-6-9 1408 Riverside Santa Rosa Mts.; along road to Toro Peak, 0.5 road mile SE of Toro Camp. 2340 Comment
  SD181526  Astragalus gambelianus Scott D. White 2000-5-1 7746 Riverside Corona, western foothills of Santa Ana Mountains near Bedford Canyon; Corona South [quad]. Scarce in graded soil adjacent to undisturbed CSS. 351 Comment
  CAS-BOT-BC186908  Astragalus insularis var. harwoodii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colo. Desert Comment
  CAS-BOT-BC187110  Astragalus lentiginosus var. borreganus Marian L. Campbell 1921-3-21 18 Riverside Palm Springs road to Banning Comment
  UCR244438  Astragalus lentiginosus var. fremontii Jim Andre 2012-4-16 20938 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  UCR23854  Astragalus nuttallianus John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  UCD105182  Astragalus palmeri Donald Myrick 1964-4-30 821 Riverside Pines to Palm Highway (Highway 74), 15 miles west of Palm Desert. 1219 Comment
  POM2003  Astragalus pomonensis I. M. Johnston 1918-4-3 s.n Riverside Valle Vista above Hemet. 534 Comment
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Nov 20 2011
  SD90465  Astragalus pomonensis Robert F. Thorne, E. Lathrop 1969-6-6 39336 Riverside Santa Rosa Plateau, Rancho California, grassy area with small stream 609 Comment
  SEINET898381  Astragalus pomonensis Lewis S. Rose 1949-1 49056 Riverside Alberhill 366 Comment
  UCR139183  Astragalus pomonensis Virginia Moran 2003-4-23 s.n. Riverside March Air Force Base, west of I-215, in vegetation sampling plot set up by Center for Natural Lands Management 488 Comment
  POM183481  Astragalus tricarinatus Joseph A. Ewan 1930-4-18 3096 Riverside Dry Morongo Creek below Morongo valley. 518 Comment
  RSA758486  Athysanus pusillus M. Wall 2010-4-9 552 Riverside Bautista Creek east of Hemet, Bautista Canyon Rd. ca. 6.4 Miles SE of jct. with Fairview Ave. 713 Comment
  CAS-BOT-BC98818  Atrichoseris platyphylla F. O. Ballou 1926-2-26 s.n. Riverside Painted Canyon [Canon] Comment
  JOTR36436  Atrichoseris platyphylla La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3407 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA779727  Atrichoseris platyphylla Duncan S. Bell 2009-3-8 95 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  UCR99571  Atriplex argentea Julie A. Greene, S. D. White 1993-7-5 1403 Riverside San Jacinto Valley, San Jacinto Wildlife Area, lower, flat area, west of dirt road 441 Comment
  RSA696732  Atriplex canescens J. R. Bruff 1927-11-26 36 Riverside Cottonwood Springs. Comment
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Sep 20 2011
  UC850757  Atriplex canescens Carl B. Wolf 1932-10-13 4306 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  JOTR01004  Atriplex canescens subsp. canescens Cole, James E. 1941-10-20 933 Riverside Joshua Tree National Park. OPTIMIST MINE ROAD, LOST HORSE VALLEY 1310 Comment
  POM202638  Atriplex canescens var. laciniata W. M. Ingram 1934-10 9 Riverside Caleb Comment
  RSA754841  Atriplex coronata var. notatior D. E. Bramlet, Jeff Crain 2009-5-18 4387 Riverside Perris Basin: San Jacnto River floodplain at 12th Street 122 m east of the river and 1.19 km west of Lakeview Avenue 431 Comment
  RSA537267  Atriplex coulteri D. E. Bramlet 1991-5-10 2149 Riverside 6.5 miles west of hemet, approximatly 500 m south and west of the ntersection of Warren and Florida (Hwy 74) and 80 miles east of the MWD San Diego Canal. 457 Comment
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Feb 3 2015
  UCR172749  Atriplex davidsonii Robert Cox, Chris E. True 2005-6-1 s.n. Riverside Perris-Aguanga Basin, San Jacinto Valley; San Jacinto Wildlife Refuge, past headquarters on main road, San Jacinto River Channel, west of Duck Ponds 436 Comment
  CDA23259  Atriplex elegans R. E. Riefner Jr. 2006-8-2 06 -350 Riverside City of Corona, southeast ca. 0.75 mile from Cajalco Road and Temescal Wash; south ca. 1.5 miles of Blue Diamond Quarry. Comment
  RSA746519  Atriplex glauca R. E. Riefner Jr. 2002-12-12 2 -521 Riverside City of Corona, along Magnolia Ave. off-ramp on SW side of I-15 Freeway. 216 Comment
  SBBG128830  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02 -521 Riverside Temescal Cyn Mouth, city of Corona, along Magnolia Ave, off-ramp on SW side of Hwy 15 216 Comment
  JOTR37712  Atriplex hymenelytra Hodges, Stephen R. 2016-3-1 638 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line in canyons of black rock. Sparsely vegetated. Comment
  SEINET4135126  Atriplex hymenelytra Howard C. Stutz 1988-1-6 94549 Riverside 12 mi. N of Desert Center.; 0 Comment
  UCR196352  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 A Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  POM278762  Atriplex lentiformis Grant D. Brown 1950-3-4 485 Riverside Approximately 10 miles N of Blythe on hyway #95 near water intake plant. 91 Comment
  CAS-BOT-BC176534  Atriplex polycarpa Milo S. Baker 1928-4-3 2775 b Riverside Palm [Canon] Canyon Comment
  CAS-BOT-BC176539  Atriplex polycarpa Lewis S. Rose 1961-11-24 61068 Riverside La Quinta 15 Comment
  UCR6700  Atriplex serenana W. W. Wright 1967-1 s.n. Riverside City of Riverside, University of California campus, south of Pennsylvania Ave. (now Martin Luther King Blvd.), west of Midgeville. 335 Comment
  RSA736656  Atriplex serenana var. serenana Justin M. Wood 2008-7-16 30 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Nov 16 2010
  UCR275576  Atriplex suberecta T. B. Salvato, Jennifer Weiland 2005-6-13 605- 3 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  UCR89874  Atriplex suberecta Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA575988  Avena sativa Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  RSA594042  Azolla filiculoides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 946 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA0094418  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot, Mark Porter 2015-10-19 8717 Riverside Whitewater Canyon, along the Pacific Crest Trail, approximately 0.75 air mile northeast of Red Dome. 885 Comment
  SD249125  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon to the north of Martinez Canyon, ca. 6.0 air miles southeast of the summit of Martinez Mountains. 394 Comment
  CLARK-A1528-1625  Baccharis emoryi John C. Roos 1937-9-12 Riverside Santa Ana River Comment
  LA203040  Baccharis emoryi Louis Wheeler; 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  SD240841  Baccharis pilularis A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39928 Riverside Peninsular Range; Santa Ana Mtns.: near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line. Saddle on ridge. 883 Comment
  JEPS40699  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1939-4-17 19160 Riverside Temescal Valley, Temescal Creek 304 Comment
  UCR199605  Baccharis salicina Scott D. White, J. Campbell 2008-4-18 11900 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area 366 Comment
  UCR282051  Baccharis salicina Mitch Provance 2012-11-9 1112- 15 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR150654  Baccharis sergiloides Bern Schwenn 1994-10-30 s.n. Riverside Mojave Desert, Little San Bernardino Mtns, side canyon on W side of Long Canyon 915 Comment
  RSA662147  Baccharis viminea Stephen Hill 1981-2-16 32 Riverside Cajalco Rd. 6.3 mile E. of hwy 15. on N side of road approx. Comment
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Jul 14 2013
  RSA0065645  Bahiopsis parishii Cheryl Sevilla, Sarah J. De Groot 2015-3-18 39 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 2 air miles north-northwest from the Whitewater Preserve Ranger Station; on the hillside east of the Whitewater River drainage. 822 Comment
  UCR264212  Bahiopsis parishii A. C. Sanders 2015-9-11 41872 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  POM350661  Baileya pauciradiata N. C. Cooper 1944-5-20 2642 Riverside Palm Springs. 137 Comment
  POM350665  Baileya pauciradiata George R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  JOTR29251  Baileya pleniradiata La Doux, Tasha 2005-8-17 1532 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  UCR138576  Baileya pleniradiata Steve Boyd, Orlando Mistretta 1986-3-13 1439 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA335013  Bebbia juncea Steve Boyd 1985-7-23 1021 Riverside Santa Ana Mtns., Santa Rosa Plateau De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  RSA653412  Bebbia juncea Mitch Provance 1998-7-7 887 Riverside 0.25 to 0.5 miles E of the corner of Riverside Ave. and Agua Mansa Rd., previously the property of the 'Riverside Charros' organization. 262 Comment
  RSA736801  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA604715  Bebbia juncea var. aspera L. C. Wheeler 1961-10-8 7932 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  CLARK-A1528-99  Beloperone californica unknown 1964-5-11 Riverside La Quinta Comment
  SEINET3154481  Beloperone californica G. B. Grant 1996-5-1 101 Riverside on Colorado Desert at Palm Springs Comment
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Jul 4 2015
  UCR93062  Bidens frondosa A. C. Sanders, S. Ogg 1994-7-28 15180 Riverside Riverside, Santa Ana River near Hwy 60 243 Comment
  SBBG133630  Bidens laevis S. D. White, L. Stafford 2007-6-27 11752 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  CAS-BOT-BC412943  Bistorta bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  UCR31297  Blennosperma nanum A. C. Sanders, T. Glenn 1983-4-17 3728 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  UC3232  Bloomeria crocea H. M. Hall 1901-6-1 2101 Riverside San Jacinto Mountains; s side 1463 Comment
  UCR232024  Bloomeria crocea John F. Green 2008-4-24 11- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, vicinity of Kimes Ln. 511 Comment
  CAS-BOT-BC478938  Bloomeria crocea var. crocea R. Bacigalupi 1925-7-2 1244 Riverside On trail to Tahquitz Peak, San Jacinto Mountains 1828 Comment
  POM12847  Bloomeria crocea var. crocea Philip A. Munz 1922-6-24 5809 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  POM229453  Boechera californica P. A. Munz 1937-5-30 15085 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  RSA0107274  Boechera johnstonii John F. Emmel 2001-4-28 1699 Riverside San Jacinto Mts.; Garner Valley; NE-facing slope 0.2 air mile S of trailhead parking area for Ramona Trail. 1377 Comment
  JOTR35501  Boechera perennans La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3189 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UC667362  Boechera pulchra Annie M. Alexander and Louise Kellogg 1941-5-19 2201 Riverside 1.5 mi n Cottonwood Spring; Colorado Desert 975 Comment
  JOTR30986  Boechera xylopoda La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1964 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  RSA714627  Boerhavia coccinea B. Pitzer 2001-8-19 4338 Riverside Peninsular Range, Santa Rosa Mountains: Carrizo Canyon, sheep guzzler ca. 0.5 mi. SW of where Hwy 74 crosses canyon. 701 Comment
  JOTR30687  Boerhavia coulteri Andre, Jim, Tasha La Doux 2008-9-13 10277 Riverside Joshua Tree National Park. Pinto Basin along paved Hwy at Fried Liver Wash 548 Comment
  UCR261844  Boerhavia coulteri Tim Thomas, Alice Karl 2011-10-18 5527 Riverside Sonoran (Colorado) Desert, Hayfield Lake, 4 mi east of Chiriaco Summit, just north of Hwy I-10, northwest portion of lake be 437 Comment
  CLARK-A1528-3269  Boerhavia torreyana John C. Roos 1946-11-29 3178 Riverside Hayfield Comment
  JEPS123547  Boerhavia triquetra T. La Doux with J. Andre 2007-9-6 134 Riverside Joshua Tree National Park. Little San Bernardino Mountains on dirt road to Lost Horse Ranger Station, below Hemmingway Buttress. Comment
  RSA41282  Boerhavia wrightii J. C. Roos 1937-8-22 14 Riverside Colorado River, north of Blythe. Comment
  UC1930178  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Colorado Desert; Western Colorado Desert region: Maniobra Valley, Chiraco Summit Road off I-10. Comment
  CAS-BOT-BC31019  Bolboschoenus maritimus Ivan Murray Johnston 1918-5-30 2026 Riverside Temescal Canyon, Lee Lake. 335 Comment
  CAS-BOT-BC31024  Bolboschoenus maritimus Howard Walton Clark 1926-6-1 s.n. Riverside Indio. Comment
  SD255030  Bolboschoenus maritimus subsp. paludosus Duncan S. Bell 2015-8-12 8594 Riverside Colorado Deesrt; Chocolate-Chuckwalla Mountains region: Orocopia Mountains; southwestern section of the range; collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  UCR232017  Bolboschoenus maritimus subsp. paludosus John F. Green 2008-4-21 02- 03 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  IRVC27684  Bothriochloa barbinodis A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15871 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. San Jacinto Mtns/Colorado Desert 256 Comment
  RSA552689  Bothriochloa barbinodis Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6697 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon 305 Comment
  SACT000426  Bouteloua aristidoides Marcus Jones 1929-9-16 Riverside Comment
  SEINET3920201  Bouteloua aristidoides Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6491 Riverside Palen Valley, 15 miles northeast of Desert Center.; 0 183 Comment
  RSA0022745  Bouteloua aristidoides var. aristidoides April Garbat, Deidre Conocchioli 2013-9-12 124 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA645638  Bouteloua aristidoides var. aristidoides Scott D. White 1999-4-20 7275 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  SEINET3081272 Image available Bowlesia incana David C. Hawks, G. Bruyea 1987-4-3 Riverside Peninsular Range; Gaylord property, NW of Aguanga 550 Comment
  UCR137044  Bowlesia incana A. C. Sanders 2004-5-5 27771 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR20928  Bowlesia incana M. Wilson 1980-5-30 053080- 5 Riverside San Timeteo Canyon, [Beaumont Badlands] 1.6 mi. north of Locust on Redlands Blvd. Comment
  UC1051637  Brandegea bigelovii Francia Chisaki, Peter Kamb 1952-4-6 2196 Riverside on road from Mecca to Blythe (Box Canyon); Box Canyon Comment
  UCR248434  Brandegea bigelovii Duncan S. Bell 2012-3-18 3194 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  UCR103899  Brassica geniculata B. G. Pitzer 1997-4-12 3127 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  RSA339319  Brassica tournefortii R. F. Thorne, W. A. Tilforth 1980-5-28 54198 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA715192  Brassica tournefortii A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32527 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCD114635  Brassica tournefortii A. C. Sanders 1988-1-30 s.n. Riverside Eastern foothills of the Santa Ana Mountains, ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80-acre property to the NW; N of Cherry St., W of Adams Ave., S of Meadowlark Ridge Lane and Elm St. Beside Warm Springs Creek, SW of Adams St. 327 Comment
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Mar 28 2014
  UCR245917  Brassica tournefortii Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3955 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UC1523410  Brickellia atractyloides Robert F. Thorne and W. A. Tilforth 1980-5-28 54208 Riverside 3.2 mi n, w from Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernadino Mts. 609 Comment
  UC574884  Brickellia atractyloides C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains Comment
  JOTR30933  Brickellia californica La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1413 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA596108  Brickellia californica Darin L. Banks 1996-11-7 1204 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  JOTR16570  Brickellia desertorum Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  UC1518846  Brickellia desertorum Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55388 Riverside 3.3 mi n of Whitewater Post Office (side canyon on w side of Whitewater Canyon, San Bernardino Mts.); San Bernardino Mts. 594 Comment
  UCR163887  Brickellia desertorum B. G. Pitzer 2001-11-4 4350 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR19255  Brickellia desertorum John C. Roos 1947-11-1 3752 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  SEINET7048183  Brickellia desertorum Steven R. Hill 2001-5-3 33692 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA339235  Brickellia incana R. F. Thorne 1979-8-23 53618 Riverside Cottonwood Springs Area Comment
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Oct 9 2010
  RSA191994  Brodiaea filifolia E. W. Lathrop 1966-4-24 6200 Riverside 4 miles W of Murrieta Comment
  CAS-BOT-BC483124  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Terrace escarpment between Horsethief Wash and Indian Truck Trail, south of I-15, Temescal Canyon Comment
  UCR191211  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-22 934 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau: Avenaloca Mesa; north side of Avocado Mesa Road at La Cuesta Road 750 Comment
  SEINET799033  Bromus carinatus John & Lucille Roos, Lucille Roos 1954-1 6122 Riverside Canyon 1 mile SE of summit of Reche Canyon 685 Comment
  CAS-BOT-BC156282  Bromus catharticus A. R. Roos 1937-11-13 s.n. Riverside Riverside. 243 Comment
  SEINET3922343  Bromus diandrus D. Atwood 1993-3-28 17709 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 0 Comment
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Jul 20 2015
  UCR90825  Bromus diandrus A. C. Sanders, G. K. Helmkamp 1996-3-17 17988 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  RSA556456  Bromus hordeaceus subsp. molliformis Julie Greene 1993-4-30 1263 Riverside San Jacinto Wildlife Area. North of San Jacinto River drainage. 433 Comment
  SEINET14341994  Bromus madritensis T. M. Sperry 1964-1 55 -730 Riverside San Bernardino Nat. For., S of Palm Desert. Comment
  UCR2225  Bromus marginatus F. M. Reed 1908-7-11 2503 Riverside San Jacinto Mtns., on trail to [San Jacinto] peak above Round Valley 3079 Comment
  CLARK-A1528-4546  Bromus mollis John C. Roos, Lucille Roos 1950-4-15 4740 Riverside Pigeon Pass 457 Comment
  RSA326150  Bromus orcuttianus var. hallii John F. Emmel 1981-6-21 785 Riverside San Jacinto Mountains; Idyllwild; large meadow between Strawberry Creek and USC ISOMATA campus. 1524 Comment
  RSA772131  Bromus rubens Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4864 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR97454  Bromus rubens A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19843 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR228741  Bromus tectorum A. C. Sanders, Nathan Moorhatch 2011-3-22 38799 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  JOTR30313  Bromus trinii La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1746 Riverside Joshua Tree National Park. Stop # 3 Northwest end of Eagle Mountains, near road leading to Cottonwood Canyon. 898 Comment
  CHSC852  Caesalpinia virgata V. Holt 1942-3-29 Riverside Indio. 152 Comment
  JOTR31933  Caesalpinia virgata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2171 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  UCR161368  Caesalpinia virgata Mark A. Elvin 2005-4-26 4229 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley/Indio Hills; [pipeline route, south of mouth of Fargo Canyon] N of I-10 198 Comment
  UCR226789  Caesalpinia virgata Jim Andre 2011-2-9 15908 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  CLARK-A1045-62  Callitriche marginata George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  POM19841  Calocedrus decurrens Mary F. Spencer 1923-8-17 2247 Riverside Fern Valley, Idyllwild. San Jacinto Mt. 1646 Comment
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Nov 19 2011
  RSA761282  Calocedrus decurrens Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 732 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA444479  Calochortus albus J. C. Roos 1960-5-30 s.n. Riverside Ridge between heads of Bedford Canyon and East Fork Ladd Canyon 1220 Comment
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May 20 2011
  RSA377365  Calochortus invenustus M. B. Dunkle 1933-7-20 3717 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  JOTR31119  Calochortus kennedyi var. kennedyi La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2502 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  RSA297994  Calochortus palmeri var. munzii H. M. Beard, R. S. Beard 1967-7-1 s.n. Riverside Vacant lot, Idyllwild, Alderwood and Pine Crest Roads. 1646 Comment
  RSA582824  Calochortus palmeri var. munzii Mark Elvin, Orlando Mistretta 1995-6-1 43 Riverside San Jacinto Mountains: Garner Valley, off Fobes Ranch Road. 1375 Comment
  RSA180429  Calochortus splendens E. W. Lathrop 1965-5-18 5759 Riverside 8 miles W of Murrieta; hills around 300 ft high 609 Comment
  UCR43207  Calochortus splendens B. G. Pitzer, Karen Kirtland 1986-5-7 0218 Riverside Butterfield Stage Ranch development, in the hills on the north side Pauba Valley, in the Rancho California area, 1 mi south of Buck Mesa on the E side of Butterfield State Road 457 Comment
  RSA689609  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-5-27 9412 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UCR274303  Calochortus weedii var. weedii T. B. Salvato, Melissa Clemons 2005-6-6 1423 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR116697  Calycadenia tenella George K. Helmkamp 1974-7-16 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  UCR132861  Calycoseris parryi Kent Beaman 1983-4-2 04 Riverside Sonoran (Colorado) Desert, Coachella Valley, west side of Hwy 62 toward Morongo Valley, just north of Indian Ave. 549 Comment
  JOTR30119  Calyptridium monandrum La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1685 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  UCR113881  Calystegia macrostegia subsp. intermedia Mitch Provance 2000-6-24 2042 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA714421  Calystegia macrostegia subsp. macrostegia A. C. Sanders 2004-5-12 27872 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR241184  Camissonia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 07 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  RSA465920  Camissonia bistorta M. B. Dunkle 1935-3-10 4357 Riverside Temescal Canyon 244 Comment
  RSA527851  Camissonia bistorta Scott D. White 1991-5-13 91 -82 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR162765  Camissonia bistorta S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  SEINET3093091 Image available Camissonia boothii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6008 Riverside Chuckwalla Valley; 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  HSC49197  Camissonia boothii subsp. condensata D. L. Goforth 1979-4-11 113 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  RSA789359  Camissonia brevipes Aaron C. Sedgwick, David Fraker 2012-3-28 19 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  POM98704  Camissonia brevipes subsp. brevipes P. A. Munz 1926-1-31 9950 Riverside Dos Palmos [Palmas] Spring. Comment
  UCR103312  Camissonia brevipes subsp. brevipes George K. Helmkamp 1998-4-4 3159 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR133381  Camissonia californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 1003 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR233150A  Camissonia californica Jim Andre, Glenn L. Clifton 2011-2-22 17462 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  SD3347  Camissonia campestris subsp. campestris Ruth Randall 1922-4-9 219 Riverside Coachella; Painted Canyon. Comment
  UC56475  Camissonia campestris subsp. campestris H. M. Hall April, 1902 2917 Riverside vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR60774  Camissonia cardiophylla Steve Boyd, Orlando Mistretta 1986-3-13 1476 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  UCR18418  Camissonia chamaenerioides A. C. Sanders, S. Hagopian 1977-4-17 451 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, Irish Wash near Corn Springs 671 Comment
  SEINET10870498  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7472 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s. R10e. Sec35. Locally common gravelly slope of wash bank. Petals bright yellow. 244 Comment
  RSA444316  Camissonia claviformis subsp. aurantiaca Walter Wisura 1988-3-1 4185 Riverside In wash off I 10 at beginning of Box Canyon Road toward Mecca. Comment
  RSA448931  Camissonia claviformis subsp. aurantiaca P. A. Munz 1930-4-6 13708 Riverside 1000 Palms. Comment
  SJSU10929  Camissonia claviformis subsp. aurantiaca E. V. Boro 1963-12-24 73 Riverside 5 mi Se of Desert Hot Springs 396 Comment
  UCR196373  Camissonia claviformis subsp. claviformis Naomi Fraga, Lisa Rojas 2005-2-10 1352 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR109154  Camissonia hirtella D. L. Banks, V. W. Steinmann 1997-3-13 1527 a Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR174153  Camissonia hirtella A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32595 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR182438  Camissonia hirtella Mitch Provance 2003-4-17 4630 Riverside San Bernardino Valley, Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., west of the railroad tracks 360 Comment
  UCR20823  Camissonia intermedia A. C. Sanders, Steve Boyd 1980-5-2 1415 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA0057863  Camissonia micrantha A. C. Sanders 2011-4-7 39037 Riverside Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  RSA449250  Camissonia pallida subsp. hallii Anstruther Davidson 1929-04 s.n. Riverside Morongo Canyon. Comment
  POM6425  Camissonia pallida subsp. pallida P. A. Munz, L. T. Street, G. Williams 1919-3-28 2360 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  POM20022  Camissonia strigulosa Mary F. Spencer 1923-06 2201 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA614409  Camissonia strigulosa D. L. Banks 1997-3-16 1542 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UCSB4380  Camissoniopsis hirtella Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  UC1931141  Camissoniopsis intermedia Scott D. White, Justin Wood 2008-6-18 12208 Riverside San Jacinto Mountains: K Flat Meadow. (Idyllwild) Comment
  SBBG35128  Camissoniopsis pallida T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  UCR35113  Cannabis sativa L. B. Ziegler 1974-9-14 535 Riverside Foothills of San Jacinto Mtns., canyon two miles south of Hemet 503 Comment
  CSUSB541  Capsella bursa-pastoris D. L. Heald 1966-3-5 8 Riverside Corner of Monroe street and Magnolia Ave. 259 Comment
  RSA562437  Carduus pycnocephalus Steve Boyd, Timothy S. Ross 1992-5-6 7627 Riverside Southern Santa Ana Mountains, San Mateo canyon Wilderness area. West of Verdugo Portrero, along access road to Rancho Carillo(7S06) on ridge dividing Verdugo and Aliso Canyons, just east of Riverside-Orange Co. Line 671 Comment
  UCD169811  Carex barbarae R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 537 Comment
  UCR24807  Carex fracta George K. Helmkamp 1981-7-5 s.n. Riverside San Jacinto Mountains, spring alongside the Black Mountain Road, 6 mi from the Banning to Idyllwild Hwy (243) Comment
  UC146421  Carex heteroneura Charlotte M. Wilder 1909-7-11 915 Riverside Round Valley, San Jacinto Mts. Comment
  RSA364639  Carex jonesii M. B. Dunkle 1933-7-22 3741 Riverside Tahquitz Valley. 2317 Comment
  IRVC9260  Carex kelloggii S. Freeman 1966-4-30 s.n. Riverside On Fuller Mill Creek; 1 mi. upstream from Banning-Idylleild road. Peninsular Ranges, San Jacinto Mountains 1829 Comment
  UCR277703  Carex praegracilis Mitch Provance 2013-4-16 413- 19 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC117448  Carex senta Mary Evelyn [nee Fisk] Spencer 1919-7-6 1263 Riverside Jaquito Meadow. 2377 Comment
  SEINET7575123 Image available Carex senta Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7664 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  SD37198  Carex subfusca Darley F. Howe 1941-6-9 Riverside San Jacinto Mountains Comment
  RSA561889  Carex triquetra Steve Boyd, Timothy S. Ross 1992-6-10 7640 -A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondito., an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  SD239789  Carya illinoinensis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37151 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  CLARK-A1528-842  Castilleja affinis Michelle Loef 1973-5-12 120573-6 Riverside San Jacinto Mountains| Mountain Center 1487 Comment
  RSA500081  Castilleja affinis Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3231 Riverside Vail Lake Area. Sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  UCR59508  Castilleja affinis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3557 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  JEPS9794  Castilleja applegatei subsp. martinii C. V. Meyer Jun 1927 167 a Riverside Saunders Meadow San Jacinto Mt. 1676 Comment
  RSA633320  Castilleja applegatei subsp. martinii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38086 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon 1677 Comment
  RSA705880  Castilleja exserta M. Wall 2005-4-9 381 Riverside San Jacinto Valley, Santa Rosa Hills, Simpson Park region. 703 Comment
  RSA793014  Castilleja exserta Justin M. Wood 2011-4-4 3402 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR201646  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-6-5 12061 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  POM312181  Castilleja foliolosa N. C. Cooper 1944-4-22 1125 Riverside Banning. 732 Comment
  UCR164566  Castilleja foliolosa S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  LA209248  Castilleja miniata Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley from Hidden Lake Comment
  UC26462  Castilleja miniata H. M. Hall 1897-7-22 716 Riverside San Jacinto Mts. 2438 Comment
  UCR59756  Castilleja minor subsp. spiralis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3565 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  SEINET3365543  Casuarina equisetifolia G. Rink 2011-10-11 11080 Riverside Next to agricultural fields east of the McCoy Mountains, northwest of Blythe, used as a windbreak for lemon grove 160 Comment
  CLARK-A1528-2435  Caucalis microcarpa John C. Roos 1940-4-20 Riverside Reche Canyon Comment
  SD152903  Caulanthus heterophyllus Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6700 Riverside Santa AnaMountains, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  SEINET5342473  Caulanthus lasiophyllus N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-21 6427 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  JEPS29489  Caulanthus simulans Lauramay T. Dempster 1962-4-18 1901 Riverside Palms-to-Palms Highway Pinyon Flats (Pinyon Flats) 1066 Comment
  LA41976  Ceanothus crassifolius W. Pequegnat; 1939-4-8 31 Riverside Santa Ana Mts Comment
  RSA489179  Ceanothus crassifolius Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  RSA569985  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7920 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA575065  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -P Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UCR143147  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-23 7901 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  SBBG105059  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  RSA575061  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -F Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  SEINET3836781 Image available Ceanothus cuneatus I. W. Clokey, E. C. Anderson 1935-4-16 6733 Riverside East of Hemet 560 Comment
  UC870525  Ceanothus cuneatus var. cuneatus I. W. Clokey and E. G. Anderson 1935-4-16 6734 Riverside e of Hemet 820 Comment
  RSA336411  Ceanothus greggii var. perplexans Robert F. Thorne, R. Whittaker, A. Shmida 1978-4-23 52083 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  HSC86327  Ceanothus integerrimus Jane Hildreth 1981-6-4 16 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  GMDRC6557  Ceanothus leucodermis J. M. Andre 2012-6-15 30511 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  UC1070823  Ceanothus leucodermis A. Lewis 1934-5-1 445 Riverside Ortega Hwy Elsinore quad., Cleveland National Forest 609 Comment
  POM254866  Ceanothus megacarpus W. Pequegnat 1940-6-18 s.n. Riverside Santa Ana Mts. Sierra Peak. Comment
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Jun 10 2012
  POM305352  Ceanothus oliganthus Henry J. Ramsey, Henry J. Ramsey 1938-2-25 666 Riverside Temecula Comment
  SEINET11192040  Ceanothus oliganthus subsp. oliganthus C. L. Schmidt 1995-3-25 1315 Riverside ca. 10 miles S of Hemet R3 (Sage Road) St. John's Canyon, close to McGee Hills. 610 Comment
  RSA606740  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27407 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA399915  Ceanothus palmeri N. C. Cooper 1949-6-29 4348 Riverside Pine Cove. 1829 Comment
  SBBG4413  Ceanothus palmeri M. Van Rensselaer 1937-6-23 687 Riverside San Jacinto Mtns, W slope rd to Banning 1676 Comment
  UCSB39074  Ceanothus perplexans Jorgensen, Jan 1982-2-19 Riverside 3 kilometers up highway 243 from Interstate 10, Banning. San Jacinto mountains. 1000 Comment
  PASA2519  Ceanothus tomentosus Frank W. Peirson 1922-4-30 Riverside St John's Grade, bautista Creek 761 Comment
  RSA0019600  Ceanothus tomentosus J. D. Olmsted 1959-4-12 365 Riverside Turn S for 1 mi on Lincoln from Hwy thru W. Corona, turn W for 0.5 mi on Chase, S at wash onto Oak Flat fire road for 3-4 mi. N. to Santa Ana River drainage. 793 Comment
  RSA77341  Ceanothus tomentosus var. olivaceus F. W. Peirson 1922-4-30 2941 Riverside St. John's Grade, Baustista Creek, south of Hemet. 762 Comment
  UCR170097  Cenchrus ciliaris John F. Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10 12 Comment
  SEINET8734799 Image available Centaurea melitensis Jean Coulson 1959-1 s.n. Riverside Box Spring Mts.; Pidgeon Pass Road, 0;6 mi. from fork to dump on E. side of road Comment
  UCR174448  Centaurium venustum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32505 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA30514  Cercidium floridum B. D. Stark 1928-11-4 467 Riverside Hidden Springs Canyon 30 Comment
  RSA171391  Cercocarpus betuloides J. D. Olmsted 1962-3-5 3490 Riverside Ravine at edge of Thomas. Mt. fire road south of Hemet Lake, NE flank of Thomas Mt.. 1418 Comment
  UCR270749  Cercocarpus betuloides T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8356 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA523502  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3962 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  SD187338  Chaenactis carphoclinia Sarah J. De Groot, Leland Lubinsky, et al. 2005-2-10 4615 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. 402 Comment
  CHSC106490  Chaenactis carphoclinia var. carphoclinia T. Stoughton; J. McConnaughy, D. Monks, M. volke 2010-4-21 154 Riverside Colorado Desert; Little San Bernardino Mountains region: N of Desert Center, Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  POM351665  Chaenactis carphoclinia var. carphoclinia M. B. Dunkle 1935-4-17 4558 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA776820  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1093 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  UC1424854  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, J. Dourley, W. Wisura 1977-5-19 1326 Riverside ca. 2 mi s of, and Hiway 62 along Blythe-Rice Rd. Rice 266 Comment
  UC894419  Chaenactis carphoclinia var. carphoclinia P. A. Munz Apr 9 1922-Apr 12 1922 4842 Riverside Corn Springs Colorado Desert, Chuckwalla Mountains, Corn Springs 457 Comment
  POM6061  Chaenactis fremontii I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon, near Palm Springs. 229 Comment
  UCR16699  Chaenactis fremontii R. L. Lasby 1969-5-3 16 Riverside San Bernardino Mtns/Colorado Desert, canyon 3 miles NE of Cabezon 671 Comment
  UCR226863  Chaenactis fremontii Jim Andre 2011-2-9 15943 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  CLARK-A1045-326  Chaenactis glabriuscula George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  CLARK-A1528-184  Chaenactis glabriuscula C. M. Flanagan 1973-5-31 OO 644 Riverside Morongo Indian Reservation 975 Comment
  RSA691059  Chaenactis glabriuscula Scott D. White, Michael Honer 2003-4-9 8987 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UCR241936  Chaenactis glabriuscula A. C. Sanders, Timothy W. Chumley 2013-4-5 40771 Riverside Peninsular Range, Temescal Canyon, 10 miles south of Corona, just north of El Hermano Rd., NW of Corona (Lee) Lake and SE of Glen Ivy 313 Comment
  RSA396471  Chaenactis glabriuscula var. glabriuscula Walter Wisura 1987-5-21 4152 Riverside 5.3 miles fr Hwy 243 along old Idyllwild rd. Comment
  RSA613635  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Victor Steinmann 1997-3-13 1482 B Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA628463  Chaenactis glabriuscula var. glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  CSUSB1491  Chaenactis glabriuscula var. lanosa Rita Gibbons 1975-6-5 S. N. Riverside Reche Canyon Rd., 4 miles from Barton Rd. Comment
  POM10493  Chaenactis parishii Charlotte M. Wilder 1909-7-14 971 Riverside Ridge along Strawberry Valley, near trail to Tahquitz Peak Comment
  RSA778523  Chamaesyce Amber Swanson, Linda Jean Foster 2011-10-8 625 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  JOTR33955  Chamaesyce albomarginata La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2841 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  SBBG53745  Chamaesyce albomarginata S. Boyd 1980-5-3 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  RSA655082  Chamaesyce micromera Scott D. White 1999-10-19 7627 Riverside Near Berdoo Canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Cyn., on the S-facing bajada of the Little San Bernardino Mts. 152 Comment
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Dec 10 2011
  RSA727388  Chamaesyce micromera Naomi Fraga, Lisa Rojas 2005-2-10 1377 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  POM296655B  Chamaesyce polycarpa L. S. Rose 1946-12-24 46305 Riverside Sandy desert. san Gorgonio Pass, 5 miles east of Cabazon. Comment
  RSA655094  Chamaesyce polycarpa var. polycarpa Scott D. White 2000-4-17 7653 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA38695  Chamaesyce setiloba P. A. Munz 1946-10-20 11579 Riverside Palms to Pines Hwy at N base of Snata Rosa Mts. 1037 Comment
  RSA778222  Chamaesyce setiloba Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 775 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  IRVC3126  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-31 SJ 116 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  SEINET903950  Cheilanthes covillei Norman C. Cooper 1944-1 1193 Riverside Banning. 701 Comment
  POM8819  Cheilanthes newberryi I. M. Johnston 1920-5-8 2277 Riverside Butte due west of Lakeview Comment
  POM893  Cheilanthes newberryi I. M. Johnston 1918-5-30 s.n. Riverside Temescal Canyon (between Elsinore and Corona) 304 Comment
  RSA685778  Cheilanthes newberryi Paul C. Silva 1947-4-5 2036 Riverside Los Alamos Canyon, Elsinore 762 Comment
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Jul 8 2009
  CAS-BOT-BC70334  Cheilanthes parryi Ira L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  CAS-BOT-BC70384  Cheilanthes viscida S. B. Parish; W. F. Parish 1881-3-1 506 Riverside Whitewater, desert side of San Ber. Mt. Comment
  UC71221  Cheilanthes viscida W. G. Wright April 1880 Riverside White Water Canyon Comment
  UCR181631  Chenopodium Mitch Provance 2003-6-7 7610 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  RSA502592  Chenopodium album Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3728 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  RSA191449  Chenopodium ambrosioides E. W. Lathrop, R. F. Thorne 1967-9-26 6664 Riverside 6 miles NW of Murrieta. 610 Comment
  CLARK-A1528-2561  Chenopodium fremontii John C. Roos 1946-8-27 9212 Riverside Santa Rosa Mountains 2438 Comment
  UCR266459  Chenopodium missouriense Mitch Provance 2012-11-9 612 51 Riverside San Bernardino Valley, Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  UCR163091  Chenopodium murale B. G. Pitzer, G. R. Ballmer 2000-10-14 4227 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  RSA549246  Chenopodium rubrum A. C. Sanders, O. F. Clarke 1991-10-5 11741 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mile SE of Louis Rubidoux Nature Center. Comment
  RSA751253  Chilopsis linearis A. C. Sanders 2008-7-25 35924 Riverside Gilman Springs Road, c. midway between Bridge St. and Lambs Canyon Rd., c. 5.6 mi. (air) ENE of Lakeview 473 Comment
  UCR178319  Chilopsis linearis T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 621 .2 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  CHSC132  Chilopsis linearis subsp. arcuata V. Holt 1954-4-16 Riverside Painted Canyon n. of Salton Sea -30 Comment
  RSA679073  Chimaphila umbellata Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1444 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  POM48039  Chimaphila umbellata subsp. occidentalis P. A. Munz, I. M. Johnston 1924-7-27 8724 Riverside ridge south of Dark Canyon, San Jacinto Mts 2287 Comment
  UCR130516  Chloris truncata R. E. Riefner Jr. 2003-10-21 03- 461 Riverside Perris-Aguanga Region, Menifee Valley, along Newport Road 1 mile east of Goetz Road intersection 427 Comment
  UCR148011  Chloris truncata Stan C. Spencer 2000-10-20 s.n. Riverside Hemet, corner of Warren Rd. and Stetson Ave. 457 Comment
  UCR274678  Chloris virgata Stephanie Rockwood, Christi Gabriel 2011-10-18 127 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  POM78160  Chloris virgata F. M. Reed 1925-8-10 5136 -B Riverside Granite Hill Ranch, near Glen Avon. 183 Comment
  CAS-BOT-BC191702  Chorizanthe brevicornu var. brevicornu Milo S. Baker 1928-4-4 2841 C Riverside Tahquitz Canon [canyon] near Palm Sps. Comment
  RSA644219  Chorizanthe brevicornu var. brevicornu Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1358 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  UCR104833  Chorizanthe brevicornu var. brevicornu George K. Helmkamp 1998-2-5 2639 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  VVC2461  Chorizanthe corrugata Tim Thomas 2013-3-18 5939 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  JEPS100434  Chorizanthe parryi var. parryi Dean W. Taylor 2003-5-6 18526 Riverside 1.15 mi NNE of Cabazon, along access road paralleling powerlines 640 Comment
  RSA735986  Chorizanthe parryi var. parryi Scott D. White, Justin M. Wood 2008-5-29 12040 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  RSA543885  Chorizanthe polygonoides var. longispina Steve Boyd 1991-5-20 6265 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 427 Comment
  SD181399  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10407 Riverside Santa Ana Mountains Gavilan Hills Region: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash Comment
  SD225064  Chorizanthe polygonoides var. longispina D. Bramlet 1995-4-26 2396 Riverside Shipley Multi-species Reserve/Lake Skinner Co. Park: Approx 274 m. north of road BM 1487 and 549m. South of Tucalota Creek; South end of the equestrial trail on the upper end of a large epheneral wash. Bachelor Mountain 7.5 Quad 487 Comment
  RSA16359  Chorizanthe procumbens Percy C. Everett 1935-6-18 7173 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
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Dec 29 2009
  RSA586721  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-17 0444 A Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area; along the Dripping Springs Trail. 671 Comment
  RSA557730  Chorizanthe staticoides Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7171 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  UC729665  Chorizanthe xanti Carl B. Wolf 1932-5-25 3677 Riverside Snow Creek Canyon 1 mi below Fish Hatchery (n base San Jacinto Mountains); , Snow Creek Canyon 396 Comment
  UCR127577  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-5-28 3451 Riverside San Gorgonio wash, along dirt road to MWD tailings site, 2104m south of Cabazon, 457m north of the Colorado aqueduct 535 Comment
  UCR23263  Chorizanthe xanti var. leucotheca J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto, [Tahquitz Creek Canyon] 1220 Comment
  UCR50428  Chrysanthemum carinatum Claudia Petrie 1988-4-1 s.n. Riverside Experimental fields at UCR Comment
  SD224832  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside Strawberry Creek at Hwy 74 bridge. Rocky creek bed 883 Comment
  CAS-BOT-BC30107  Chrysolepis chrysophylla Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  RSA170152  Chrysothamnus nauseosus subsp. consimilis L. B. Ziegler 1964-10-15 s.n. Riverside On Valley alluvial, Garner (Hemet) Valley, S part of San Jacinto Mts 1433 Comment
  CLARK-A1528-1728  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  POM40227  Chrysothamnus paniculatus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA5581  Chrysothamnus paniculatus C. B. Wolf 1932-10-13 4314 Riverside 0.5 mile before reaching Cottonwood Springs, Eagle Mountains, Colorado Desert 290 Comment
  UCD103715  Chylismia brevipes LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1408 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  CAS-BOT-BC160582  Chylismia claviformis subsp. aurantiaca N. Aitkenhead 1977-2-2 2185 Riverside ~1 mi. from intersection of JT Mon Rd & pipeline Comment
  UC1183579  Chylismia claviformis subsp. aurantiaca W. M. Klein 1958-2-11 38 Riverside between Cathedral City and Palm Village (on CA 111 to Indio) 96 Comment
  UCR89755  Cirsium occidentale var. californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3300 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA77693  Cirsium ochrocentrum E. Bridges 1952-8-28 s.n. Riverside field at Beumont Comment
  UCD130825  Cirsium vulgare Robert F. Thorne; Steve Boyd, Earl Lathrop 1985-7-18 61280 Riverside De Luz: Arroyo near Murrieta-Guava St. roads, a few miles south of Murrieta. 385 Comment
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Aug 29 2013
  CAS-BOT-BC438664  Cistanthe ambigua S. B. Parish; W. F. Parish 1884-4-5 1188 a Riverside Indio Comment
  CAS-BOT-BC438669  Cistanthe ambigua S. B. Parish; W. F. Parish 1881-3-1 1188 Riverside Indio, Colorado Desert Comment
  POM182082  Cistanthe monandra P. A. Munz 1932-3-14 11978 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA466603  Cistanthe monandra N. C. Cooper 1944-6-17 1423 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA772844  Cistanthe monandra Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4847 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UC1979555  Clarkia epilobioides Darin L. Banks, Steve Boyd 1995-5-9 381 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  POM122448  Clarkia purpurea subsp. quadrivulnera Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  RSA192051  Clarkia purpurea subsp. quadrivulnera E. W. Lathrop 1959-5-3 4511 Riverside 14 miles west of Murrieta. Tenaja Canyon. Comment
  UCR111985  Clarkia purpurea subsp. quadrivulnera A. C. Sanders, T. B. Salvato 2000-5-25 23417 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA561063  Clarkia similis Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-12 7350 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 366 Comment
  UCR104916  Claytonia parviflora subsp. parviflora A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20634 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  SBBG34198  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  RSA359868  Claytonia perfoliata subsp. mexicana Steve Boyd 1986-4-2 1613 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  OBI30244  Clematis lasiantha C. L. Weidert 1966-2-9 6 -Jan Riverside Santa Ana cyn 200 yds E of Orange-Riverside county line, across from Green river Golf course Comment
  RSA192055  Clematis pauciflora E. W. Lathrop 1959-4-1 4382 Riverside 18 mi SW of Elsinore and Tenaja Guard Station, Cleveland Natl Forest, Tenaja Cyn. Comment
  UCR89875  Clematis pauciflora Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3342 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA20088  Cleome isomeris I. W. Clokey, E. G. Anderson 1935-4-17 6641 Riverside Cottonwood Springs. Comment
  RSA440812  Cleome isomeris Robert L. Dressler 1949-3-19 432 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  CAS-BOT-BC214180  Clinopodium chandleri E. W. Lathrop 1966-5-8 6265 Riverside 3 miles SW of Murrieta Comment
  RSA721126  Cnicus benedictus Pomeroy 1929-5-11 s.n. Riverside Lake Elsinore Comment
  UCR244399  Coleogyne ramosissima Jim Andre 2012-4-16 20980 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UCR89597  Coleogyne ramosissima Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Lost Horse Valley, along Cal Riding and Hiking Trail, just east of Ryan Campground 1341 Comment
  RSA0117439  Collinsia concolor Scott D. White, Michael Honer 2003-4-9 8995 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UCR122521  Collinsia concolor George K. Helmkamp, E. A. Helmkamp 2001-5-20 6663 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UCR91278  Collinsia concolor Scott D. White 1995-4-5 2748 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  RSA0117400  Collinsia concolor N. C. Cooper 1945-5-24 1642 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA0117407  Collinsia concolor Joseph A. Ewan 1932-4-8 7040 Riverside Whitewater Canyon, about 3 miles above mouth. Comment
  RSA559444  Collinsia heterophylla Steve D. Boyd 1992-4-15 6868 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  JEPS6220  Collinsia parviflora W. L. Jepson May 17 1901-Jun 1 1901 1300 Riverside Strawberry Valley; Mt San Jacinto 1676 Comment
  UCR115163  Commelina benghalensis Mitch Provance 2000-10-28 2291 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  CAS-BOT-BC520440  Condalia globosa var. pubescens A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40512 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, S of the Chuckwalla Mtns., along Bradshaw Trail 1.5 km NW of Augustine Rd jct., large wash on SW side of road 726 Comment
  SBBG29244  Condea emoryi K. K. Muller 1967-9-14 1418 Riverside 5 mi E of Indio Comment
  RSA496361  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3035 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 549 Comment
  UCR104624  Convolvulus simulans D. E. Bramlet 1993-3-30 2300 Riverside Siegal Ranch Road approximately 90m south of Cajalco Road and 976m east of the intersection of Cajalco Rd. and Sierra Ave., 20 m west of Siegal Ranch Road 427 Comment
  UCR252808  Convolvulus simulans Ana Hernandez, Karyn L. Drennen 2014-5-9 052 Riverside Perris Aguanga Basin, Santa Ana Mountains, foothills. Sycamore Creek Conservation Easement. 40 meters east of Campbell Ranch Road, 90 meters north of intersection with Indian Truck Trail 365 Comment
  UCR68608  Convolvulus simulans Steve Boyd, D. E. Bramlet 1990-4-29 4471 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  RSA554286  Conyza bonariensis Scott D. White 1992-2-25 92 -10 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA0103568  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8589 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  UC1608210  Cordylanthus rigidus subsp. setiger Steve Boyd and Tim Ross 1992-6-10 7644 Riverside about Potrero Escondido (...area of low relief topping ridge system due w of jct of Tenaja Rd (7S01) and Los Alamos Rd (7S04) at the confluence of Los Alamos Cr w/San Mateo Cr.); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, S 670 Comment
  RSA387392  Coreopsis californica Steve Boyd 1986-4-10 1641 b Riverside Temescal Canyon: along DePalma Raod between Indian Truck Trail and Horsethief Canyon. Comment
  RSA770693  Coreopsis californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4794 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC942910  Coreopsis californica var. californica Lewis S. Rose 1949-4-19 49061 Riverside 4 mi ne Alberhill 304 Comment
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Feb 25 2014
  SFV20152  Corethrogyne filaginifolia J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .6 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  RSA93216  Corethrogyne filaginifolia F. W. Peirson 1924-7-28 5017 Riverside Pine Flats Camp 1799 Comment
  POM13094  Coryphantha alversonii P. A. Munz 1922-4-12 5014 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  POM1490A  Crassula connata Robinson, Crocker s.n. Riverside Elsinore Region; along edge of lake Comment
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Mar 15 2014
  UCD101837  Crassula connata C. L. Hitchcock 1966-3-15 24149 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  CAS-BOT-BC181568  Crossosoma bigelovii Annie M. Alexander; Louise Kellogg 1941-2-28 1877 Riverside Andreas Canyon, San Jacinto Mountains 365 Comment
  JOTR29599  Crossosoma bigelovii Andre, Jim 2006-4-26 6756 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA621537  Crossosoma bigelovii B. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3562 Riverside San Bernardino Mountains: Wildlands Conservancy's Mission Creek Preserve. 762 Comment
  RSA0020372  Croton californicus Duncan S. Bell 2012-3-4 3131 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA480574  Croton californicus M. B. Dunkle 1933-3-4 3060 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UCR35106  Croton californicus L. B. Ziegler 1966-10-17 102 Riverside San Jacinto Valley-on Soboba Indian Reservation 518 Comment
  CLARK-A1656-886  Croton californicus var. mohavensis Jim Cornett 1977-6-25 Riverside Desert Hot Springs Comment
  POM319712  Croton californicus var. mohavensis Patricia Wilder 1971-5-13 4938 Riverside Prado Flood Control Basin at base of Prado Dam on small rise, Drainage area Santa Ana River, Flood Plain. 152 Comment
  UCR126933  Crypsis schoenoides Julie A. Greene 1993-6-11 1334 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north of new pond 441 Comment
  UC1010304  Crypsis vaginiflora John C. Roos 1952-6-4 5735 Riverside river bottomland 1 1/2 mi se Perris; San Jacinto River 426 Comment
  RSA586256  Crypsis vaginiflora R. E. Riefner 1995-11-29 95 -398 Riverside Along Davis Road near the San Jacinto River. Comment
  GMDRC5507  Cryptantha J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21088 Riverside Little San Bernardino Mountains: Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  UCR263475  Cryptantha A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35592 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  RSA615343  Cryptantha angustifolia George K. Helmkamp, E. Helmkamp 1998-2-18 2706 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  RSA777540  Cryptantha angustifolia Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 900 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR216224  Cryptantha angustifolia Jim Andre, T. La Doux 2009-2-25 10820 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR224997  Cryptantha angustifolia Dave Silverman, A. C. Sanders 2010-3-23 7818 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes Dr., 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  RSA336415  Cryptantha barbigera R. F. Thorne, Walter Wisura, A. Shmida, Whittaker 1978-4-23 52054 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UC1563094  Cryptantha barbigera Steve Boyd and Orlando Mistretta 1986-3-13 1407 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges); Palen Mountains 182 Comment
  UC280426  Cryptantha barbigera E. E. Schellenger May 1920 Riverside Chuckawalla Bench Colorado Desert Comment
  UCD118997  Cryptantha barbigera Richard Bates 1949-4-26 s.n. Riverside Cathedral City, southeast of Palm Springs. Comment
  UCR279506  Cryptantha barbigera A. C. Sanders, Jim Malusa 2017-3-27 43111 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR38138  Cryptantha barbigera J. M. Stewart 1985-3-16 S.N. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  RSA777765  Cryptantha barbigera var. barbigera Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1086 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  RSA781913  Cryptantha barbigera var. barbigera Duncan S. Bell 2010-5-1 896 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR137634  Cryptantha barbigera var. fergusoniae George K. Helmkamp 1998-2-5 2645 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  RSA0116505  Cryptantha corollata A. C. Sanders 2003-4-4 25853 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR182314  Cryptantha corollata Mitch Provance 2003-4-5 6614 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  GMDRC5831  Cryptantha costata J. M. Andre 2013-3-27 24795 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  RSA14025  Cryptantha costata P. A. Munz, D. D. Keck 1922-4-14 4971 Riverside Indian Wells 107 Comment
  RSA0079091  Cryptantha cycloptera Anstruther Davidson 1904-5-1 1818 Riverside Palm Springs. Comment
  RSA528102  Cryptantha decipiens S. J. Myers 1991-4-15 91 -6 Riverside City of Banning, W of Fields Rd, N of Interstate 10 & S of the Morongo Indian Reservation. 671 Comment
  POM368274  Cryptantha intermedia E. Crow 1929-2-24 184 Riverside Near Cabazon, NW Colorado Desert Comment
  SDSU12254  Cryptantha intermedia Jeremy Mass, Ryan Jacobson 2000-4-19 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve (SDSU). 177 Comment
  RSA771753  Cryptantha intermedia var. intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4630 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SDSU21863  Cryptantha juniperensis A. C. Sanders, T. B. Salvato 2012-4-27 40087 Riverside Peninsular Range; Santa Ana Mtns. Region; Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  POM14239  Cryptantha maritima P. A. Munz, D. D. Keck 1922-4-9 4755 Riverside Shavers Well, near Mecca. 76 Comment
  RSA80739  Cryptantha maritima F. W. Peirson 1935-4-17 11474 Riverside 30 miles north of Blythe. Comment
  SBBG87841  Cryptantha maritima A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6121 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckwalla Mtns 487 Comment
  SEINET10456349  Cryptantha maritima David B. Dunn 1948-2-21 Dunn 3677 Riverside Borage in wash; Pushawalla; a rain about 2 weeks earlier. Hills still quite dry. Comment
  POM72168  Cryptantha micrantha Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA0080319  Cryptantha micrantha Sarah J. De Groot, Cheryl Sevilla 2015-2-24 s.n. Riverside Sand dunes along Blythe-Rice (Midland) Road, Rice Valley, south of Turtle Mountains, east of Arica Mountains, 1.9 miles south of Highway 62 and Rice. 234 Comment
  RSA659687  Cryptantha micrantha var. lepida J. C. Roos 1947-5-24 6194 Riverside San Jacinto Mtns., at the junction of Dark Canyon Camp Road with Idyllwild to Banning Road. Comment
  RSA79959  Cryptantha micrantha var. lepida F. W. Peirson 1922-5-19 4483 Riverside San Jacinto River, San Jacinto Mtns. 1220 Comment
  UCR202235  Cryptantha micrantha var. lepida Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR116813  Cryptantha micrantha var. micrantha A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23943 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA711035  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  UCR160322  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside Peninsular Ranges; Santa Ana Mtns Region, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 793 Comment
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Jul 5 2010
  RSA511363  Cryptantha muricata Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  SEINET3084450 Image available Cryptantha muricata Rose Gagnon 1968-5-14 680514 -5 Riverside North bank of Santa Ana River East of Salt Lake City bridge Comment
  SEINET3145436  Cryptantha muricata R. W. Spellenberg, N. Zucker 2001-3-27 13186 Riverside Desert Hot Springs. Indian Ave., 0.5 km S of jxn w/ Calif. Hwy 62 540 Comment
  RSA0124031  Cryptantha nevadensis var. nevadensis Duncan S. Bell, LeRoy Gross 2016-3-10 8876 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA0079104  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2010-4-2 703 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness. Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  JOTR29434  Cryptantha racemosa La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1368 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  JOTR36024  Cryptantha racemosa Harding, Mitzi, T. Herskovits 2012-3-16 230 Riverside Joshua Tree National Park. Cholla Wash Comment
  RSA0123679  Cryptantha utahensis Duncan S. Bell, LeRoy Gross 2016-3-9 8862 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  SD134490  Cryptantha utahensis Craig Reiser 1992-4-11 Riverside Palms to Pines Highway, rocky desert slope overlooking Desert Bighorn Institute Comment
  UCR157660  Cryptantha utahensis A. C. Sanders 1995-4-13 16496 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  CDA30995  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Drive at Jamawag Road, north of Leon Road. Comment
  RSA289815  Cucurbita palmata B. A. Prigge 1980-9-16 4044 Riverside Indio. Coachella Valley Stormwater Channel. 0 Comment
  POM70789  Cuscuta californica Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  CAS-BOT-BC224608  Cuscuta californica var. papillosa D. A. Johansen; J. A. Ewan 1932-4-11 7095 Riverside Deep Canyon Wash, Colorado Desert Comment
  POM158190  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1928-9-6 11275 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  POM188621  Cuscuta ceanothi L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  SD262267  Cuscuta salina Mitch Provance, John Hazlett 2017-4-27 417 25 Riverside Elsinore Trough: Baker St., 0.05 - 0.15 miles SE of Pierce St. A short distance along the northeastward SCE transmission route. 384 Comment
  UC520001  Cuscuta subinclusa Joseph Andorfer Ewan 1932-7-9 7497 Riverside Santa Ana River at Chino Creek; Santa Ana River Comment
  UCR92615  Cuscuta subinclusa Scott D. White 1995-8-23 3563 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  SEINET5624466 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .6 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Com Spring Road, 1.1 km W of Corn Spring Campground, 400 south of Com Springs Wash 525 Comment
  POM285600  Cylindropuntia echinocarpa Lyman Benson, Robert Benson 1952-3-23 14838 Riverside San Jacinto Mountain Range. Northeast of Santa Rosa Peak, Pines-to-Palms Highway. 1220 Comment
  SD247385  Cylindropuntia munzii Andy Sanders, T. Thomas, et al. 2012-11-1 40509 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mountains, along Bradshaw Trail 1 kilometer southeast of Augustine Road junction, large wash on southwest side of road. 694 Comment
  RSA792472  Cynanchum utahense Justin M. Wood, D. Ray 2011-4-28 3837 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  SEINET3004915  Cyperus G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10333 -b Riverside Canal two miles north of Blythe. 70 Comment
  RSA653174  Cyperus difformis Mitch Provance 2000-6-24 2059 Riverside Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 244 Comment
  CLARK-A1528-2  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA522720  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3811 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR275358  Cyperus eragrostis T. B. Salvato, Melissa Clemons 2005-6-9 1501 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UCR59813  Cyperus erythrorhizos Jeri Hirshberg 1989-7-12 s.n. Riverside Lake Perris: shoreline at east end of lake. 488 Comment
  RSA719784  Cyperus squarrosus Naomi Fraga, et al. 2006-7-11 1724 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UC729896  Cystopteris fragilis Carl B. Wolf 1932-8-5 3974 Riverside summit San Jacinto Peak; San Jacinto Mts 3293 Comment
  UC816892  Dactylis glomerata Crawford and Johnston 1917-6-9 1227 Riverside Santa Ana River near Corona; Santa Ana River Comment
  CLARK-A1528-468  Dalea emoryi Shirley Hill 1963-3-13 630313-3 Riverside Palm Springs Comment
  CLARK-A1703-1206  Dalea emoryi Charlotte Stocks 1962-5-25 Riverside La Quinta Comment
  JEPS41648  Dalea mollis H. M. Hall Apr. 1905 5932 Riverside McCoy Wash Colorado Desert, McCoy Wash Comment
  POM128977  Dalea mollis E. E. Schellenger 19 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  RSA28052  Dalea mollis I. L. Wiggins 1941-3-27 9680 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA517813  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1428 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA684338  Dalea mollis Scott D. White, Michael Honer 2003-4-18 9037 Riverside Coachella Valley. Open sand north of the I-10 Freeway at Jefferson Ave. interchange. 12 Comment
  UCR34324  Dalea mollis P. Shaw, Jeanine Derby 1984-2-6 s.n. Riverside Sonoran (Colorado) Desert, 10 mi. NW of Blythe along the Midland Road Comment
  UCR5569  Dalea mollissima O. F. Clarke 1966-10-5 661005- 12 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  SD132345  Datisca glomerata B. Pitzer, B. L. Phillips 1988-7-1 1480 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb and Arroyo Seco Creeks 490 Comment
  CHSC116490  Datisca glomerata R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  UCR244889  Datura discolor A. C. Sanders, T. B. Salvato 2012-10-12 40406 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  UCD126521  Datura stramonium Steve Boyd 1987-10-10 2093 Riverside city of Riverside, N. Main St., just south of Santa Ana River. Comment
  RSA314625  Datura wrightii Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55419 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA575930  Datura wrightii Steve D. Boyd 1994-10-14 8391 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon. 329 Comment
  UCR133413  Datura wrightii Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 318 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  RSA500208  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3535 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UC76428  Deinandra kelloggii Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  RSA675703  Deinandra mohavensis Scott D. White 2000-10-24 8142 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  UCR281840  Deinandra paniculata R. E. Riefner Jr. 2017-8-12 17- 385 Riverside Perris-Aguanga Basin, city of Temecula, along the levee of Murrieta Creek, north side of Diaz Road, at Remington Avenue 327 Comment
  UCR88425  Delphinium parishii A. C. Sanders, K. C. Rose 1995-4-5 16345 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCSB1984  Delphinium parryi White, Arthur 1960-5-14 Riverside 100yds. s. of road between Banning and Idyllwild; 2.2 mi s. of Hwy. 70 & 99 Comment
  UC854188  Delphinium parryi subsp. parryi L. Haines and L. Erickson 1937-4-9 Riverside field near Winchester Comment
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Mar 20 2011
  UCR35347  Delphinium parryi subsp. parryi L. B. Ziegler 1967-4-25 123 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  RSA543881  Deschampsia danthonioides Steve Boyd, D. E. Bramlet 1991-5-13 6239 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR252644  Deschampsia danthonioides T. B. Salvato, John Lovio 2013-3-19 7372 Riverside Perris-Aguanga Basin, Paloma Valley, vacant lot at northeast corner of intersection of Scott Road and Menifee Road 455 Comment
  POM49465  Deschampsia elongata P. A. Munz, I. M. Johnston 1924-7-28 8802 Riverside Pine Flats, San Jacinto Mountains. 1707 Comment
  UC218017  Descurainia obtusa subsp. adenophora P. A. Munz 1922-6-30 5906 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  SBBG2468  Descurainia pinnata H. and M. Dearing 1942-3-1 4804 Riverside Cathedral City Comment
  POM369389  Descurainia pinnata subsp. glabra Ora M. Clark 1932-3-17 s.n. Riverside N of La Quinta, Colorado Desert. Comment
  RSA0120624  Descurainia pinnata subsp. intermedia Duncan S. Bell, Thomas Stoughton 2016-3-15 8935 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  RSA367458  Dichelostemma capitatum subsp. capitatum Ora M. Clark 1929-2-23 1511 Riverside South Cabazon. Comment
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Mar 13 2011
  RSA524406  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4097 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA527855  Dichelostemma capitatum subsp. capitatum Scott D. White 1991-5-10 91 -155 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA649288  Dichelostemma capitatum subsp. capitatum Bruce H. Lewis 1970-3-9 27 Riverside Collected 1 mi. south of Temecula on a dirt road, an area south of the State College property. 548 Comment
  CAS-BOT-BC292183  Dicoria canescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  POM356427  Dicoria canescens C. S. wasters 1909-6-20 s.n. Riverside Palm Springs. Comment
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Oct 10 2009
  RSA773123  Dimorphotheca sinuata Duncan S. Bell, Ryan Parker 2010-6-1 1234 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.1 air mile southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 779 Comment
  UCR84984  Dimorphotheca sinuata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16224 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  CAS-BOT-BC150879  Diplacus X australis Munz; Street; Williams 1919-4-5 2447 Riverside Puddingstone [Canon] Canyon Comment
  CAS-BOT-BC150928  Diplacus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside Cottonwood Canyon, ca. 100 yards east of Spring Comment
  SD90541  Diplacus brevipes Robert F. Thorne, J. -P. Simon, C. W. Tilforth 1969-6-24 38099 Riverside San Bernardino National Forest, San Jacinto Mts.: Abobe James Reserve in Hall Canyon 1676 Comment
  CAS-BOT-BC153095  Diplacus fremontii Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA0019408  Diplacus fremontii Henry J. Ramsey, Henry J. Ramsey 1939-4-23 392 Riverside Hemet, Anza, Bautista Creek Rd. Comment
  CAS-BOT-BC150874  Diplacus puniceus C. F. B. 1904-4-4 4152 Riverside Elsinore Comment
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Sep 3 2017
  UCR277881  Diplacus puniceus B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1068 Riverside Gavilan Hills, Gavilan Peak, west of Perris 610 Comment
  CHSC60201  Distichlis spicata J. Lund 1980-4-2 Riverside The corner of 66th. Ave and Fillmore are 3.0 miles east of Meca. 45 Comment
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May 29 2011
  UC303381  Ditaxis claryana Marcus E. Jones, A. M. 1906-4-26 Riverside Indio Comment
  RSA774309  Ditaxis lanceolata Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2192 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  SEINET7997049  Ditaxis neomexicana Scott D. White 2006-3-14 11255 Riverside Coachella Valley, Eern Coachella Valley N of the 1-10 freeway a few mi E of Indio 152 Comment
  SFV7918  Ditaxis neomexicana T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1281 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UCR244314  Ditaxis neomexicana Jim Andre 2012-4-16 20889 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  CAS-BOT-BC401160  Dithyrea californica Sarah J. De Groot; April Garbat 2013-3-28 6996 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains 152 Comment
  CAS-BOT-BC43631  Dithyrea californica Geo. B. Grant 1906-4-8 with 6769 Riverside Palm Springs. Comment
  RSA699587  Dithyrea californica J. R. Bruff 1932-3-22 s.n. Riverside Between Garnet and Edom Comment
  SEINET3105562  Dithyrea californica Faulkner 1978-3-20 331 Riverside Near Big Maria Mountains, 1 mile west of Colorado River. 152 Comment
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Sep 9 2013
  UCR241546  Dithyrea californica A. C. Sanders, Ann Howald 2013-2-27 40551 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  CHSC34416  Downingia bella Donna Panico 1972-4-30 A- 51 Riverside Ca. 10 air mi. So. of Elsinore, 4 mi. E. of Tenaja Campgrounds in Cleveland Nat'l Forest. 655 Comment
  UCR222311  Downingia bella R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55200 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  POM366543  Drymocallis glandulosa N. C. Cooper 1944-6-17 1378 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  IRVC142  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  RSA85439  Dryopteris arguta J. C. Roos 1952-4-13 5519 Riverside Box Springs Mts. 518 Comment
  SDSU1592  Dryopteris arguta Thomas A. Zink 1971-5-1 Riverside 4.3 miles from Santa Rosa Ranch gate. 366 Comment
  UCR174380  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32628 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UC1457288  Echinocereus engelmannii P. A. Munz 1921-5-1 4486 Riverside near Pinyon Wells (s edge of desert); Mojave Desert 1219 Comment
  RSA303549  Echinocereus mojavensis J. R. Shevock 1971-5-8 1040 Riverside Near Skull Cap, Joshua Tree National Monument. 1372 Comment
  UC277044  Echinocereus mojavensis E. C. Jaeger May 1921 Riverside Little San Bernardino Mts. , Keyer Ranch (Keyer Ranch) Comment
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Apr 4 2011
  SEINET3928569  Echinochloa crus-galli A. C. Sanders, D. Bramlet 1999-10-15 23170 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles E of Jackrabbit Trail on Gilman Springs Rd., 1.4 miles S of Eden Hot Spr.; 0 433 Comment
  UCR199669  Eclipta prostrata Scott D. White, Lynn Stafford 2007-6-27 11751 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  UCD169372  Ehrharta longiflora Tom Chester 2005-4-15 580 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  RSA234015  Elatine californica R. F. Thorne, E. W. Lathrop 1969-5-12 39740 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  SEINET11987369  Elatine californica R. F. Thorne 1969-1 37967 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  UCR266812  Eleocharis macrostachya Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 01 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA544432  Eleocharis radicans Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6339 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  RSA69833  Elymus X gouldii J. C. Roos, L. Roos 1951-10-24 5344 Riverside Fairmount Park. 259 Comment
  UCR174236  Elymus condensatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32663 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA33603  Elymus elymoides N. C. Cooper 1944-5-20 1261 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  UCR2746  Elymus elymoides F. M. Reed 1906-5-14 958 Riverside Riverside: Noye's Hill near Elsinore Road (E end of Central Ave.) 335 Comment
  UC821521  Elymus elymoides subsp. elymoides P. A. Munz 1922-6-28 5883 Riverside Santa Rosa Mts.; higher slopes 2407 Comment
  UCR241244  Elymus glaucus Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 511 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA559319  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, D. E. Bramlet 1992-5-13 7368 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
  RSA679220  Elymus glaucus var. glaucus Fred M. Roberts 2003-6-25 5914 Riverside Just NE of Falcon roup Camp, 2.1km ESE Los Pinos Peak just west of main road. 1009 Comment
  POM126305  Emmenanthe penduliflora Thomas Craig 1927-4-2 51 Riverside Canyon near Hidden Springs. Comment
  RSA357851  Emmenanthe penduliflora Robert F. Thorne, M. Z. Thorne 1973-3-30 42696 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR133664  Emmenanthe penduliflora Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR215609  Emmenanthe penduliflora Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 12 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCSB9699  Emmenanthe penduliflora Leeuwen, Henry 1957-4-13 Riverside On West slope of Whitewater Canyon 2 miles from U.S. 60 Comment
  SD186078  Encelia actoni A. C. Sanders, Mike Misenhelter 2005-6-15 30995 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd. near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn., southwest of Rocky Ridge and southeast of Black Hills. 640 Comment
  UC1929885  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside SAN BERNANDINO MOUNTAINS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. (Whitewater) Comment
  UCR133972  Encelia actoni Mitch Provance, J. S. Ross 1998-3-27 MOR- 979 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  UCR260844  Encelia actoni A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41509 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  CHSC109007  Encelia farinosa Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4540 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.95609, W116.64365 and N33.95477, W116.64248. 525 Comment
  UC111151  Encelia farinosa F. M. Reed 1907-2-2 1212 Riverside Arroyo Tequesquite Comment
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Jul 30 2006
  UC1118071  Encelia farinosa R. St. John 1930-3-26 109 Riverside Elsinore Quad., Lamb Canyon 518 Comment
  UC135052  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
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Feb 2 2013
  UCR138725  Encelia farinosa Julie A. Greene 1993-4-10 1129 Riverside San Jacinto Wildlife Area 476 Comment
  SEINET6810910  Encelia farinosa John Thieret, Brandenburg, David 1982-6-5 53089 Riverside 25 miles W of Desert Center; Desert Center; 25 miles W of Comment
  POM356677  Encelia farinosa var. farinosa Norman C. Cooper 1949-4-8 3263 Riverside Mecca Pass east of Indio. 610 Comment
  SEINET3078303 Image available Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  RSA761294  Encelia frutescens Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-5-25 217 Riverside Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62. 420 Comment
  RSA796477  Encelia frutescens Duncan S. Bell 2009-4-18 229 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  CLARK-A1528-1810  Encelia virginensis John C. Roos 1943-5-23 2666 Riverside Little San Bernardino Mountains Comment
  UCR281919  Enchylaena tomentosa A. C. Sanders 2017-9-9 43329 Riverside Riverside, Belvedere Heights neighborhood at the foot of the Box Springs Mountains, Two Trees Road between Belvedere Dr. and Galaxie Heights Rd. 389 Comment
  RSA650251  Ephedra aspera Marion P. Harthill 1971-3-19 23 Riverside Palm Desert. Comment
  UCR281021  Ephedra aspera Fred M. Roberts 2016-3-5 8003 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
  JOTR29571  Ephedra californica Andre, Jim 2006-4-6 6776 Riverside Joshua Tree National Park. ridgetop, w. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner of boundary of park 1324 Comment
  RSA650255  Ephedra californica Louis R. Klins 1949-2-6 s.n. Riverside Lazy B Ranch 10 mile[s] NE of Palm Springs California Comment
  RSA0054982  Ephedra nevadensis Bruce Haines 1962-4-16 123 A Riverside 3/4 mile East of Hidden Valley Campground on Key's Ranch Road, Joshua Tree National Monument. 1295 Comment
  GMDRC5835  Ephedra trifurca J. M. Andre 2013-3-27 24810 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  CAS-BOT-BC171743  Epilobium canum subsp. latifolium F. W. Peirson 1922-12-27 3336 Riverside Andreas Canyon between forks and at North Fork, where trail branch comes down, Colorado Desert Comment
  RSA38355  Epilobium canum subsp. latifolium P. A. Munz 1946-10-19 11563 Riverside Coahuila. 1098 Comment
  RSA463110  Epilobium ciliatum S. J. Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with temecula Creek, near the town of Murrietta. Comment
  SEINET959353  Epilobium ciliatum Jennifer H. Jones 2006-1 306 Riverside Transcerse Ranges. N end of Mills Avenue (Cobal Canyon 7.5Q) 497 Comment
  RSA588370  Epilobium ciliatum subsp. ciliatum N. C. Cooper 1949-6-29 4319 Riverside Hemet Lake, San Jacinto Mountains. 1524 Comment
  SBBG94827  Epilobium densiflorum E. LaRue 1989-7-13 Riverside Santa Rosa Plateau, N side of Tenaja Rd where De Luz Crk crosses rd, NW of Mesa de Colorado Comment
  RSA80646  Epilobium pygmaeum F. W. Peirson 1922-5-19 4112 Riverside Menifee Valley, near Murrieta. 427 Comment
  UCR278869  Eragrostis mexicana Mitch Provance 2012-11-10 17607 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  UCR20767  Eremalche exilis A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1333 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  JEPS68612  Eremalche rotundifolia W. L. Jepson 1927-4-12 11680 Riverside Painted Canyon Colorado Desert, Mecca Hills, Painted Canyon 76 Comment
  UCR167432  Eremalche rotundifolia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA33664  Eremocarpus setiger N. C. Cooper 1943-9-10 900 Riverside Banning. 610 Comment
  UC1186516  Eremothera boothii subsp. condensata E. G. Linsley and J. W. MacSwain 1960-3-2 60 -4 Riverside twenty mi e Desert Center Comment
  CAS-BOT-BC160222  Eremothera boothii subsp. desertorum N. Aitkenhead 1977-2-2 2178 Riverside ~1 mi. from junction of J.T. Mon Rd & pipeline Comment
  CDA37644  Eremothera boothii subsp. desertorum M. S. Wasbauer 1960-3-27 Riverside Shaver Summit. 0 Comment
  CDA37645  Eremothera boothii subsp. desertorum M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  JEPS48796  Eriastrum densifolium Marjorie D. Clary 1932-6-5 926 Riverside Dead Indian Trail west side Colorado Desert, Santa Rosa Mts. Comment
  RSA0104872  Eriastrum densifolium subsp. austromontanum P. A. Munz, I. M. Johnston 1924-7-29 8837 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UC449746  Eriastrum densifolium subsp. austromontanum F. M. Reed 1908-7-14 2459 Riverside Tahquitz Mt. San Jacinto Mts. 2529 Comment
  UC1787319  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, ca. 500 m south of terminal loop of campground road, along east bank of creek 487 Comment
  JEPS24948  Eriastrum diffusum P. A. Munz and I. M. Johnston 1922-5-6 5169 Riverside Dry Morongo Wash Little San Bernardino Mountains Comment
  RSA0119713  Eriastrum diffusum subsp. coachellae Verne Grant, Alva Grant 1950-4-9 8836 Riverside Canyon in pass betw. Whitewater and Morongo Valley, 0.4 miles S. of San Bernardino County line. Comment
  SEINET3245748  Eriastrum eremicum Peter L. Morrell, D. E. Krause 1995-1 460 Riverside Sonoran (Colorado) Desert: Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd. near cargo entrance to Palm Springs Municipal Airport (Palm Springs 7.5') 123 Comment
  UCR263236  Eriastrum eremicum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41483 Riverside San Gorgonio Pass, 3.15 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 449 Comment
  UCSB5012  Eriastrum eremicum Beeks, Richard 1952-4-5 Riverside 12 miles E of Shaver Summit Comment
  JEPS69038  Eriastrum eremicum subsp. eremicum W. L. Jepson 1901-5-22 1350 Riverside Palm Canyon of San Jacinto 914 Comment
  JOTR34196  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2989 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA0120099  Eriastrum eremicum subsp. eremicum M. French Gilman 1928-05 s.n. Riverside Coachella Valley(?). Comment
  UCD118317  Eriastrum sapphirinum Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  RSA0094097  Eriastrum sapphirinum subsp. sapphirinum Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8723 Riverside Santa Rosa Mountains; approximately 0.75 air mile west of the summit of Santa Rosa Mountain. 2196 Comment
  JOTR30242  Ericameria linearifolia Leary, C. and Leary, Pat 1979-5-5 2990 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. 1676 Comment
  RSA500085  Ericameria linearifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3227 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  UCR23274  Ericameria linearifolia John C. Roos 1952-4-2 5466 Riverside Box Springs Mtns, Box Springs grade east of Riverside. 427 Comment
  JOTR01233  Ericameria linearifolia Cole, James E. 1942-5-10 956 Riverside Joshua Tree National Park. 1341 Comment
  POM351940  Ericameria nauseosa var. bernardina A. J. Gredell 1915-07 s.n. Riverside San Bernardino Mts. Comment
  CAS-BOT-BC299530  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-23 12298 Riverside Valley floor at E. end of Lake Elsinore Comment
  UCR277797  Ericameria paniculata A. C. Sanders, Jim Malusa 2017-1-15 42667 Riverside Sonoran (Colorado) Desert, Salt Creek wash below Red Canyon confluence, north edge of Chocolate Mountains Aerial Gunnery Range, beside Summit Road 367 Comment
  RSA221018  Ericameria parishii E. W. Lathrop 1966-3-30 6119 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
  RSA597065  Ericameria pinifolia D. L. Banks, Lauren Raz 1996-11-5 1155 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  SD229093  Ericameria pinifolia Dick Schwenkmeyer 2012-3-26 681 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UCR117710  Ericameria pinifolia Mitch Provance 1998-6-11 680 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR21955  Erigeron foliosus var. foliosus Steve Boyd 1980-6-4 317 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR3235  Erigeron foliosus var. foliosus John Kitasako 1964-5-18 45277 Riverside Box Springs Mtns, Stone-face Canyon, side of reservoir at end of Two Trees Rd. 549 Comment
  POM19628  Erigeron foliosus var. stenophyllus Mary F. Spencer 1923-6-6 2214 Riverside San Jacinto. 518 Comment
  CLARK-A1528-61  Eriochloa acuminata John C. Roos 1951-9-25 5294 Riverside Riverside 259 Comment
  CAS-BOT-BC189084  Eriodictyon crassifolium Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 269 Riverside Adjacent to and above stream below Andreas Canyon Club clubhouse, Andreas Canyon 304 Comment
  HSC83016  Eriodictyon crassifolium N. M. Fellows 1985-3-16 106 Riverside Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mi. W of Snow Creek Village 489 Comment
  POM3816A  Eriodictyon crassifolium N. K. Berg 1904-3-4 s.n. Riverside San Jacinto Mts. Comment
  RSA613864  Eriodictyon crassifolium B. Pitzer 1997-4-12 3128 Riverside Lakeview Mts, Pulsar Road, 3/4 miles uphill (by road) from the base of the hills at the end of Warren Road & approx. 3/4 miles (air) SW of Mt. Rudolph. 622 Comment
  UC708743  Eriodictyon crassifolium H. K. Wagnon 1944-5-30 405 Riverside along Tahquitz Creek (Palm Springs); along Tahquitz Creek, Palm Springs Comment
  CAS-BOT-BC189126  Eriodictyon crassifolium var. crassifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  SD229193  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer 2012-10-16 847 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  POM49861  Eriogonum apiculatum P. A. Munz, I. M. Johnston 1924-7-27 8757 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  CAS-BOT-BC242794  Eriogonum davidsonii James L. Reveal; Barbara J. Ertter 1976-6-30 4564 Riverside San Jacinto Mountains, Pinyon Flat, 2 miles north of California Highway 74 along Palm Canyon Drive 1249 Comment
  CAS-BOT-BC242799  Eriogonum davidsonii H. M. Hall 1901-7-1 2624 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1584 Comment
  UC6238  Eriogonum davidsonii H. M. Hall June, 1901 2088 Riverside vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  JEPS57017  Eriogonum elongatum var. elongatum Mary Beal 1939-10-25 705 Riverside deert side of San Gorgonio Pass Mojave Desert Comment
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Mar 15 2014
  RSA0019779  Eriogonum fasciculatum Kristin Forgrave, Sarah J. De Groot 2013-6-6 18 Riverside Whitewater Canyon, N of the preserve in a rocky wash 731 Comment
  CAS-BOT-BC249896  Eriogonum fasciculatum var. flavoviride Frank W. Peirson 1928-4-24 7907 Riverside Cottonwood Spring Comment
  POM50380  Eriogonum fasciculatum var. foliolosum W. W. Eggleston 1924-3-8 19528 Riverside Hemet. 480 Comment
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Mar 24 2011
  JOTR16811  Eriogonum fasciculatum var. polifolium Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  LA206786  Eriogonum fasciculatum var. polifolium A. M. Johnson; 1932-8-18 4133 Riverside San Jacinto Mountains, along road, down Banning side Comment
  RSA393348  Eriogonum fasciculatum var. polifolium M. B. Dunkle 1933-4-5 3371 Riverside Colorado Desert, Jack Rabbit Trail Comment
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Mar 21 2011
  SD73401  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie 1969-4-27 204 Riverside Andreas Canyon near Palm Springs 1200 Comment
  RSA785072  Eriogonum gracile Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 80 Riverside Fobes Ranch road turn from Hwy 75 Comment
  SDSU6523  Eriogonum gracile R. Harvin 1962-7-28 39 Riverside Roadside approx. 2 miles east of Hemet off highway 74. 914 Comment
  UCR154460  Eriogonum gracile Jason L. Hlebakos 2005-5-30 801 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  RSA393246  Eriogonum gracile var. gracile Ann Grove 1980-10-8 9 ..10 Riverside Tenaja Ranger Station area, Rancho California, 7 miles northwest of Murrieta, southwest Riverside Co. Comment
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Dec 1 2014
  RSA90134  Eriogonum molestum E. K. Balls, Percy C. Everett 1953-8-19 18530 Riverside On Hwy from Banning to Idyllwild, SE from Lake Fullmore. 1677 Comment
  RSA783813  Eriogonum molestum var. davidsonii John Olmsted 1950-6-15 182 Riverside Hurkey Cr. into Hemet Lake and San Jacinto Rd. drainage area: Cedar Crest Rd. 1 mi E of Hurkey Cr. crossing (turn E 4 mi S of Mt. Center) 1372 Comment
  CAS-BOT-BC269780  Eriogonum nudum var. pauciflorum H. M. Hall 1901-7-1 2504 Riverside San Jacinto Mountains 1645 Comment
  POM13683  Eriogonum parishii P. A. Munz 1922-6-29 5894 Riverside Santa Rosa. 2043 Comment
  JOTR32630  Eriogonum plumatella La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2553 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  RSA38411  Eriogonum plumatella P. A. Munz 1946-10-20 11595 Riverside Near Ellen M. Mine, Joshua Tree National Monument. 1296 Comment
  CAS-BOT-BC253017  Eriogonum reniforme Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6479 Riverside At the south entrance to Joshua Tree National Monument, near Interstate 10, 24 mile seast of Indio 548 Comment
  CLARK-A1528-3702  Eriogonum reniforme John C. Roos 1937-4-23 1818 Riverside Dry Morongo Canyon Comment
  RSA777761  Eriogonum reniforme Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1082 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  POM98981  Eriogonum reniforme E. C. Jaeger 1926-3-20 s.n. Riverside Pinto Mts. 915 Comment
  UC6442  Eriogonum saxatile H. M. Hall 1901-7-1 2324 Riverside near Tauquitz; San Jacinto Mountains 2590 Comment
  CAS-BOT-BC263508  Eriogonum thomasii Frank W. Peirson 1927-4-12 7171 Riverside Foot of canyon, Painted Canyon Comment
  CAS-BOT-BC263513  Eriogonum thomasii L. R. Abrams 1926-3-26 11112 Riverside Between Edon and Garnet east of San Gorgonio Pass Comment
  CAS-BOT-BC263526  Eriogonum thomasii Annie M. Alexander; Louise Kellogg 1941-5-28 2260 Riverside Metropolitan Aqueduct Road, east of Hayfield Comment
  JOTR28876  Eriogonum thomasii La Doux, Tasha, Bill Truesdell 2004-3-17 1111 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  RSA510048  Eriogonum thomasii B. Pitzer, S. Meyers, J. Wilkinson 1988-2-21 605 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  RSA747793  Eriogonum thomasii Scott D. White, Justin M. Wood 2009-3-24 12570 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA766148  Eriogonum thomasii Marjorie D. Clary 1932-6-5 1023 Riverside Eagle Canyon. Cathedral canyon Comment
  SD103935  Eriogonum thomasii J. L. S. Simpson 1965-5-14 Riverside Toward the New York Mountains Comment
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Mar 23 2014
  SD260121  Eriogonum thomasii J. M. Andre 2013-3-4 23864 Riverside Sandy bluffs overlooking Colorado River, 0.2 mi. east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  UCR148317  Eriogonum thomasii John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR163924  Eriogonum thomasii A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29130 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA0009607  Eriogonum thomasii Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA718297  Eriogonum thomasii Michael Honer, L. Hulse 2004-4-2 1878 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  POM47237  Eriogonum thurberi Mary F. Spencer 1920-3-28 s.n. Riverside Palm Springs. 122 Comment
  RSA522267  Eriogonum thurberi Steve Boyd, Dave Bramlet, Harry Spilman 1989-4-30 3513 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  JEPS56821  Eriogonum trichopes W. L. Jepson 1927-4-13 11690 Riverside ne Mecca (lower slopes of Painted Canyon); Colorado Desert, Painted Canyon 45 Comment
  UC472771  Eriogonum trichopes M. F. Spencer Apr 1922 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  POM259129  Eriogonum umbellatum subsp. munzii P. A. Munz 1938-8-14 15377 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  SFV18745  Eriogonum wrightii var. membranaceum J. N. Hogue 2003-9-13 205 .1 Riverside San Jacinto Mountains Hall Canyon, 500 m northeast of Lake Fulmor. James Reserve, University of California. 1645 Comment
  UCSB70084  Eriogonum wrightii var. membranaceum Sanders, A.; Thomas, Tim 2008-8-1 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station (Idyllwild 73' Q.) 1448 Comment
  RSA639640  Eriogonum wrightii var. nodosum Robert F. Thorne 1966-10-15 41793 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA65010  Eriogonum wrightii var. nodosum F. W. Peirson 1922-12-27 3333 Riverside Andreas Canyon, east base of San Jacinto Mountains 610 Comment
  SD48398  Eriogonum wrightii var. nodosum E. K. Balls, P. C. Everett 1957-11-13 22799 Riverside Snow Creek, n. side of valley 701 Comment
  UC111317  Eriophyllum ambiguum var. paleaceum S. B. Parish 1907-4-18 6088 Riverside w edge of Colorado Desert; , West Canyon 200 Comment
  CAS-BOT-BC297334  Eriophyllum confertiflorum Louis C. Wheeler 1931-10-4 217 Riverside Hemet - Idyllwild Rd, San Jacinto Mts 1402 Comment
  CAS-BOT-BC297339  Eriophyllum confertiflorum Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts, San Juan Canyon, Highway 74 609 Comment
  POM318698  Eriophyllum confertiflorum Patricia Wilder 1968-7-5 4313 Riverside Trail near Idyllwild, San Bernardino National Forest. 1982 Comment
  RSA6121  Eriophyllum confertiflorum C. B. Wolf 1932-5-25 3691 Riverside 1/4 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 671 Comment
  SEINET2051096 Image available Eriophyllum confertiflorum Howard S. Gentry, L. A. McGill 1979-5-25 2552 Riverside Gentry Farm 3 miles NE of Murrieta. Experimental Research Ranch. Comment
  UCR101334  Eriophyllum confertiflorum A. C. Sanders 1997-4-10 20331 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  SBBG101772  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross 1991-6-14 6397 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  CLARK-A1528-1839  Eriophyllum multicaule John C. Roos 1940-5-4 882 Riverside Reche Canyon Comment
  RSA772135  Eriophyllum wallacei Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4979 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  RSA652317  Erodium cicutarium G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  RSA562429  Erodium macrophyllum D. E. Bramlet 1993-4-13 2323 Riverside Approximately 61 m. south of the existing Lake Mathews access road, some 549 m. north of Cajalco road, in the ''Cajalco bend'' area. The site is 1.2 km. west of Lake Mathews Drive. 434 Comment
  JOTR31210  Erodium texanum Cipra, Jane, Jane Cipra 2009-4-27 sn Riverside Joshua Tree National Park. Pinto Basin; Near turkey flat 594 Comment
  RSA775970  Erodium texanum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 861 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE. 396 Comment
  RSA0076217  Erythranthe androsacea Jeri Hirshberg 1995-5-19 279 Riverside San Jacinto Mountains, Garner Valley. Comment
  SD236423  Erythranthe guttata A. C. Sanders, Tim Thomas 2008-6-20 35551 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA0015888  Erythranthe moschata Mary F. Spencer 1921-7-1 1288 Riverside Idyllwild, San Jacinto Mts. 1616 Comment
  UCD96497  Eschscholzia androuxii Shannon M. Still 2009-4-19 547 Riverside California. Riverside County: Joshua Tree National Park. Next to stone outcropping off of Old Dale Road. 722 Comment
  UCD96501  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 514 Riverside California. Riverside County: Joshua Tree National Park. 1001 Comment
  SD137695  Eschscholzia californica Darin L. Banks, Steve Boyd 1995-5-3 244 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SEINET156040  Eschscholzia californica Norman C. Cooper 1944-4-22 1139 Riverside Banning. 762 Comment
  UCR178000  Eschscholzia californica S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR58490  Eschscholzia californica Ed LaRue 1989-6-11 s.n. Riverside Peninsular Range, W side of Lakeview Mtns., c. 1 mi SE of town of Nuevo 640 Comment
  CAS-BOT-BC83136  Eschscholzia minutiflora Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2116 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  JEPS89162  Eschscholzia minutiflora Rimo Bacigalupi and L. Heckard 1962-3-21 8342 Riverside 2.3 mi below and sw Shavers Well (along CA Hwy 195); Box Canyon Wash 243 Comment
  UCD94250  Eschscholzia minutiflora Shannon M. Still; Steven M. Still 2008-4-7 385 Riverside California. Riverside County: Joshua Tree National Park. 823 Comment
  UCR60443  Eschscholzia minutiflora R. F. Thorne, M. Z. Thorne 1973-3-30 42660 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  HSC83079  Eschscholzia parishii A. C. Sanders, Charlton, Pitzer, Stewart 1986-3-2 6061 Riverside Graham Pass, between the chuckwalla and Little Chuckwalla Mtns. 503 Comment
  JEPS51694  Eschscholzia parishii W. L. Jepson 1927-4-12 11668 a Riverside Painted Canyon; Mecca Hills 76 Comment
  SEINET3094861 Image available Eschscholzia parishii David Charlton 1988-2-18 1152 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 5 mi. E of Jct Dillon Rd. and Fargo Cyn Rd. Comment
  SEINET7048054  Eschscholzia parishii Steven R. Hill 2001-4-29 33529 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA0010829  Eucalyptus Scott D. White, Justin M. Wood 2008-6-24 12282 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UCR133176  Eucalyptus camaldulensis J. C. Lyman 1989-2-9 89- 2 Riverside Lakeview, Pressman property in the Bernasconi Hills, just south of the Ramona Expressway, south of Lake Perris and north of Nuevo Comment
  UCR163795  Eucalyptus polyanthemos John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2.5 miles NNW of Squaw Mountain near the Cleveland Nat. Forest boundary, SW foot of hill 2414 747 Comment
  UCR241813  Eucalyptus rudis A. C. Sanders, John F. Green 2013-3-27 40689 Riverside Peninsular Range, Alberhill, along Lake St. near the old clay mines, 0.83 km south of I-15 Fwy 389 Comment
  SD187425  Eucrypta chrysanthemifolia Scott D. White, Angelia Carey 2004-4-16 10191 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  SEINET7073449  Eucrypta chrysanthemifolia A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UC1287119  Eucrypta chrysanthemifolia var. chrysanthemifolia C. L. Hitchcock 1966-3-16 24177 Riverside 0.25 mi w Aguanga Comment
  UCR21927  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd 1980-4-8 110 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR51984  Eucrypta micrantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2175 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  SD211601  Euphorbia Louis C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains. 1/2 mile east of Ranger Peak. 1372 Comment
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Feb 17 2013
  RSA286540  Euphorbia eriantha John F. Emmel 1979-3-12 622 Riverside Big Maria Mtns.; near SW base of Black Hill, near SW base of the mtns. 267 Comment
  SD251222  Euphorbia ocellata subsp. arenicola Duncan S. Bell 2013-1-30 4444 Riverside The Mecca Hills; in an unnamed canyon btween Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Canyon. 138 Comment
  UCR80791  Euphorbia palmeri Scott D. White 1993-5-29 1470 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  SEINET3828351  Euphorbia polycarpa Amber Swanson 2011-1 653 Riverside On a flat sandy wash areas 426 Comment
  UCR131024  Euphorbia polycarpa Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  UCR162761  Euphorbia polycarpa John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR213926  Euphorbia polycarpa Naomi Fraga, Lisa Rojas 2005-2-10 1377 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR214906  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37678 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  SD109085  Euphorbia setiloba Grady L. Webster, R. Hildreth 1966-12-10 7467 Riverside Wash in Box Canyon, ca. 9-10 miles northeast of Mecca on California 195. 239 Comment
  POM163315  Eustoma exaltatum R. C. Bacigalupi 1925-7-1 1245 Riverside Riverside Canyon. Comment
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Feb 22 2014
  CAS-BOT-BC334203  Eysenhardtia O. F. Clarke 2010-1-29 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  CAS-BOT-BC171046  Fagonia laevis Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert Comment
  RSA336189  Fagonia laevis Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52046 Riverside Just E of Palm Desert. Comment
  SD107800  Fagonia laevis Barry Prigge, L. Martinez 1978-3-23 2428 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley, near Dillon X Skyridge Roads 1100 Comment
  SEINET936428  Fagonia laevis Helen K. Sharsmith 1952-1 4062 Riverside Northwest base of Chuckwalla Mountains 7 miles south of Highway 60-70. 533 Comment
  UCR112103  Fagonia laevis A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23354 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR52013  Fagonia laevis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2203 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR88155  Fatoua villosa A. C. Sanders, Steve Morgan 1994-10-7 15832 Riverside Box Springs Mtns., UCR Botanic Garden Comment
  UC403452  Ferocactus cylindraceus var. lecontei Munz and Johnston 5295 Riverside rocky mesa near Mission Creek (on road to Morongo Pass) Comment
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Sep 8 2011
  JOTR34183  Festuca myuros La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3233 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCR42358  Festuca myuros N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 177 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA0123281  Festuca octoflora Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8994 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR177648  Festuca octoflora S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail on slope above Juan Diego Flats, toward Reed Valley, NW of Cahuilla Mountain 1250 Comment
  UCR86654  Festuca octoflora A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16261 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR102869  Filago arizonica A. C. Sanders 1997-3-26 20121 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  RSA628477  Filago californica A. C. Sanders 1994-5-30 14613 Riverside Foothills NNE of Beaumont. 950 Comment
  RSA501081  Filago gallica Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3199 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  UCR155318  Filago gallica A. C. Sanders, Mike Misenhelter 2005-3-23 29251 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR156088  Filago gallica T. B. Salvato, Kent Beaman 2005-5-16 798 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  SEINET4108735  Fouquieria splendens J. Redfern 2004-1 JT 5 Riverside Collected along Pinto Basin road north of Cottonwood Visitor Center in Joshua Tree National Park. 759 Comment
  UCR274791  Fouquieria splendens April Garbat, Sarah J. De Groot 2013-4-9 044 Riverside Sonoran (Colorado) Desert, along Graham Pass Rd near intersection with Chuckwalla Valley Rd. 416 Comment
  RSA0018948  Fragaria vesca Philip A. Munz, I. M. Johnston 1922-5-19 5388 Riverside 3 miles west of Keen Camp. 1494 Comment
  UCR114195  Frankenia salina A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23638 Riverside Perris-Aguanga Basin Region, French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., c. 0.5 km NE of Adobe Spring 409 Comment
  UC63829  Fraxinus velutina H. M. Hall May 17 1901-Jun 1 1901 1859 Riverside e base San Jacinto Mt. 609 Comment
  RSA735064  Funastrum cynanchoides var. cynanchoides Scott D. White, Angelia Carey 2004-6-4 10478 -A Riverside San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA615149  Funastrum cynanchoides var. hartwegii Scott D. White 1997-5-25 5219 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  SD229054  Funastrum heterophyllum Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 896 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  JOTR28930  Funastrum hirtellum La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1167 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  JOTR34312  Funastrum hirtellum Andre, Jim 2012-4-11 20727 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA696504  Funastrum hirtellum J. R. Bruff 1928-4-3 158 Riverside 10 miles south of 29 Plams Comment
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Oct 23 2011
  SEINET4560610  Funastrum hirtellum Duncan S. Bell 2009-1 298 Riverside Arica Mountais: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  SJSU11074  Funastrum hirtellum R. C. McGhee 1970-5-1 257 Riverside Chuckwalla Rd 1 mi W of Chuckwalla Spring, Chuckwalla Mts Comment
  LA208394  Galium andrewsii A. H. Lange; 1951-5-27 Riverside San Jacinto Mountains, 10 mi S. Hemet Lake Comment
  LA208395  Galium andrewsii Robert G. Engman; sn Riverside San Jacinto Mountains, San Jacinto Mts Comment
  POM172216  Galium andrewsii subsp. andrewsii M. French Gilman 1928-5-27 1155 Riverside Banning. Comment
  UC1332296  Galium angustifolium subsp. jacinticum Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4244 Riverside Black Mountain road 0.9 mi above junction of road to Pine Wood; San Jacinto Mountains; San Jacinto Mts., Riverside Co. 1981 Comment
  UCR17531  Galium parishii Frank C. Vasek 1979-7-26 790726- 02 d Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA0014933  Galium porrigens var. porrigens LeRoy Gross, Caitlin Elam, Evan Meyer 2013-5-7 6038 -b Riverside West of the community of Pine Cove, near Idyllwild. Out-skirt of the community and Red Hill road (5S10). Near 1720 Comment
  SD70518  Galium porrigens var. porrigens Lauramay T. Dempster, G. Ledyard Stebbins 1966-6-17 4243 Riverside Red Hill Road, 0.9 mile north of Alvin Meadows, San Jacinto Mountains 1661 Comment
  JOTR34389  Galium stellatum var. eremicum Andre, Jim 2012-4-16 20916 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  UCR157945  Gamochaeta pensylvanica T. B. Salvato, A. C. Sanders 2005-5-17 914 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UC1871081  Garrya flavescens Steve Boyd, Chris Frazier 1993-4-24 8009 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  CAS-BOT-BC158023  Garrya veatchii A. C. Sanders; S. Hawkins; J. Goetzen; D. Freeman 1996-5-1 18121 Riverside San Bernardino Mtns.; Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats, along the road below the pond 1097 Comment
  RSA494631  Garrya veatchii Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA585504  Gastridium phleoides D. L. Banks, Steve Boyd 1995-5-9 365 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  CDA5294  Gaura sinuata A. C. Sanders, T. B. Salvato 2001-5-24 24364 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  UC1280012  Gayophytum diffusum subsp. parviflorum Peter H. Raven with R. Snow 1957-7-26 11088 Riverside Banning to Idyllwild road 0.9 mi n Vista Grande Ranger Station; San Jacinto Mountains Comment
  UC729820  Gayophytum heterozygum Carl B. Wolf 1932-8-4 3912 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  CAS-BOT-BC303608  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Comment
  POM358664  Geraea canescens N. Dunn 1932-3-6 s.n. Riverside Coachella. Comment
  RSA790966  Geraea canescens Aaron C. Sedgwick, David Fraker 2012-4-24 4 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  UC809707  Geraea canescens E. K. Balls 1949-4-2 12891 Riverside on Hwy 60 20 mi from Whitewater; Colorado Desert 121 Comment
  UCR2870  Geraea canescens N. J. Matthews 1963-3-10 31063- 3 Riverside Sonoran (Colorado) Desert, Coachella Valley, c. 1 mi north of Cathedral City, just off of Hwy 99 61 Comment
  UCR263471  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35591 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 Comment
  SEINET6969919  Gilia achilleifolia subsp. multicaulis W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route US 395 and 5.0 mile southeast of Lake Mathews. Comment
  RSA470109  Gilia angelensis Anonymous 1909-05 1931 Riverside Fairmont Hill [now North Hill, Riverside] Comment
  RSA86578  Gilia angelensis Anonymous 1954-4-16 9314 Riverside Floodplain of Temecula Creek just south of town of Temecula. 305 Comment
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Feb 14 2013
  SD247689  Gilia angelensis J. Mark Porter, Lauren E. Machen 1997-2-15 11425 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 miles NE of the Highway 74 exit at Lake Elsinore. 118 Comment
  SEINET7073408  Gilia angelensis A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  SEINET7073453  Gilia angelensis A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UC1545280  Gilia angelensis Charles B. Fiker 1946-3-6 3334 Riverside in hills between Aguanga and Cahuilla; bet Aguanga and Coahuila [Cahuilla] Comment
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Mar 2 2016
  UCR111601  Gilia angelensis Mitch Provance, J. Ross 1999-4-1 1734 Riverside Jurupa Mountains, Pediment of the extreme W end of the range, on the E side of Country Village Road. 250 Comment
  RSA0016201  Gilia brecciarum Scott D. White, Bill La Haye 2000-5-27 7960 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR193894  Gilia capitata A. C. Sanders, Mitch Provance 2008-7-11 35797 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA742093  Gilia capitata subsp. abrotanifolia Peter L. Morrell 1993-5-1 226 Riverside San Bernardino Mtns.: c. 300 m W of Whitewater Canyon Rd. along stream bed (upstream), 3.3 miles N of I-10. 627 Comment
  RSA769708  Gilia capitata subsp. abrotanifolia E. W. Lathrop 1973-6-28 7445 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  SEINET12279063  Gilia dianthoides H. M. Hall 1902-1 2942 Riverside vicinity of Riverside, in the Sonoran Zone 366 Comment
  RSA171379  Gilia diegensis J. D. Olmsted 1962-5-3 3537 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  UCR71847  Gilia maculata George K. Helmkamp 1992-4-16 92- 4 Riverside Western Colorado Desert, Coachella Valley, Mission Creek, 0.4 mi. south of Indian Avenue, on old Hwy 62 500 Comment
  CAS-BOT-BC407621  Gilia ochroleuca subsp. exilis Frank W. Peirson 1919-4-15 921 Riverside Whitewater Grade above Cabazon Comment
  CAS-BOT-BC407804  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-29 5098 Riverside Dripping Spring, Temecula Creek 518 Comment
  UCR121188  Gilia ochroleuca subsp. exilis D. E. Bramlet 1991-5-10 2138 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  RSA0016276  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside East of Hemet. 600 Comment
  UC809710  Gilia stellata Philip A. Munz 1949-4-13 13043 Riverside above Cottonwood Springs (w end Eagle Mts., Colorado Desert); Colorado Desert, w end Eagle Mts., Cottonwood Springs 1097 Comment
  UCR227843  Gilia stellata R. F. Thorne, Walter Wisura, Avi Shmida, Robert Whittaker 1978-4-23 52018 Riverside San Jacinto Mountains/Sonoran (Colorado) Desert, Chino Canyon Comment
  POM99004  Gilia stellata E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains, 30 miles east of Mecca 610 Comment
  SEINET7042772  Gilia tricolor subsp. diffusa W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  HSC85269  Githopsis diffusa subsp. candida Steve Boyd 1986-4-22 1771 Riverside Temescal Canyon, E side of Indian Wash, S of I-15 Comment
  UCR275274  Glinus lotoides T. B. Salvato, Gregg Miller 2005-6-7 1490 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  UCR208049  Glinus radiatus R. E. Riefner Jr. 2003-9-26 03- 379 Riverside Wildomar, approx. 1 mile east of I-15 along Clinton Keith Rd. in vicinity of Smith Ranch Rd. 427 Comment
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Nov 12 2019
  POM17509  Glycyrrhiza lepidota P. A. Munz 1923-6-18 7132 Riverside Temecula Canyon. Comment
  UCR162876  Gnaphalium californicum T. B. Salvato, Kelly Volansky 2003-3-27 134 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR87650  Gnaphalium luteoalbum Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  JOTR34350  Gnaphalium palustre Harding, Mitzi 2012-6-19 20 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Barker Dam 1304 Comment
  RSA192328  Gnaphalium palustre H. A. Zuill 1966-6-29 262 Riverside Around lake on Mesa top near Santa Rosa Ranch about 6 miles SW Murrieta Comment
  RSA741588  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-6-17 12169 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR182348  Gnaphalium palustre Mitch Provance 2005-5-17 6550 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  POM294580  Gutierrezia bracteata Lyman Benson 1945-11-10 11913 Riverside 5 miles east of Temecula. 457 Comment
  RSA645866  Gutierrezia californica Scott D. White 1995-9-22 3687 Riverside San Bernardino Basin: San Jacinto Valley: March AFB, W of Plummer Rd. and S of Cactus Rd., +/-0.7 mi W of 215 Fwy. 457 Comment
  UC284166  Gutierrezia sarothrae P. A. Munz 1923-6-18 7125 Riverside 3 mi n Lake Elsinore Comment
  SEINET188337  Halliophytum hallii C. L. Hitchcock 1940-4-2 5926 Riverside Joshua Tree National Monument; Cottonwood Spring wash Comment
  SEINET189223 Image available Halliophytum hallii Annie M. Alexander, L Kellogg 1941-5-14 2171 Riverside 2.5 miles south of Cottonwood Spring Eagle Mountains 838 Comment
  CAS-BOT-BC231099  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mountain, just E of claymine area 487 Comment
  HSC85434  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SDSU18360  Harpagonella palmeri C. Matt Guilliams 2008-2-21 458 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 418 Comment
  UC882183  Harpagonella palmeri P. A. Munz and I. M. Johnston 1922-5-19 5335 a Riverside 5 mi ne Murietta 457 Comment
  UCR99159  Harpagonella palmeri A. C. Sanders, G. Helmkamp 1997-3-15 19993 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA0066601  Harpagonella palmeri Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  UCR174338  Hedypnois cretica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32503 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA357134  Helianthemum scoparium var. vulgare R. F. Thorne 1969-10-25 41853 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  SD181695  Helianthus annuus Scott D. White 1996-9-22 4541 Riverside Perris: Nuevo Road near intersection with Wilson Ave., west of San Jacinto River crossing. 434 Comment
  CAS-BOT-BC305619  Helianthus californicus Louis C. Wheeler 1931-10-4 202 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  SD229099  Helianthus gracilentus Dick Schwenkmeyer 2012-10-16 928 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR100291  Helianthus gracilentus B. G. Pitzer 1997-4-20 3177 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  RSA704847  Heliotropium curassavicum Anonymous 1947-4-5 s.n. Riverside Lake Elsinore. Comment
  UCR232356  Hemizonia kelloggii John F. Green 2008-4-16 0408- 35 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  UCR261270  Hemizonia kelloggii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41723 Riverside Temescal Canyon, across Temescal Canyon Rd. from Lee (Corona) Lake dam, N of I-15 Fwy, mouth of Indian Canyon Wash 354 Comment
  RSA678262  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1063 -b Riverside Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  UCR217513  Hemizonia mohavensis Karyn L. Drennen 2009-7-22 002 Riverside San Jacinto Mtns, Chimney Flats 1354 Comment
  UCR82772  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15774 Riverside San Jacinto Mountains, N slope of the mountains; Azalea Creek c. 0.5 mi. SW of the Twin Pines Ranch buildings, at road crossing just outside the ranch fence 1067 Comment
  RSA597061  Hemizonia paniculata D. L. Banks, Lauren Raz 1996-11-5 1156 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  RSA532553  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Murrieta Creek at the Rancho California Street bridge in Temecula. On W side of creek, just E of Diaz Rd and within the creek channel 330 Comment
  RSA735851  Hemizonia pungens subsp. laevis Scott D. White, Justin M. Wood 2008-4-15 11874 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  UCR59918  Hemizonia pungens subsp. pungens Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, c. 1 mi south of Hwy 60 on Nason St. Adjacent to W side of Nason, south of Dracaea Ave. Comment
  RSA377052  Hesperocallis undulata Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UC68675  Hesperocallis undulata H. M. Hall Apr. 1905 5831 Riverside Colorado Desert, Mecca Mecca; Colorado Desert, Mecca -45 Comment
  CAS-BOT-BC508663  Hesperocallis undulata Mrs. Jos. Clemens 1922-4-10 s.n. Riverside Mecca Comment
  OBI10136  Heteromeles arbutifolia Tracey and Viola Call, Viola Call 1962-4-13 2129 Riverside Tin Mine Cyn near Corona 351 Comment
  UCR176668  Heterotheca grandiflora G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  RSA160436B  Heterotheca sessiliflora subsp. echioides J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  RSA1640436A  Heterotheca sessiliflora subsp. fastigiata J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  RSA0063010  Heuchera hirsutissima Carl B. Wolf 1932-8-5 3977 Riverside Rocks at summit of San Jacinto Peak. 3294 Comment
  UCR146129  Heuchera rubescens Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1447 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  RSA676053  Hibiscus denudatus Scott D. White 2001-4-3 8261 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR60775  Hibiscus denudatus Steve Boyd, Orlando Mistretta 1986-3-13 1474 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  RSA741155  Hirschfeldia incana Scott D. White, Justin M. Wood 2008-5-15 11991 Riverside Johnson Meadow. 1415 Comment
  SEINET6654966  Hoffmannseggia densiflora Sears 1977-10-12 S 583 Riverside 20 miles East of Desert Center, 10 miles East of Corn Springs exit.; 0 134 Comment
  JOTR37050  Hoffmannseggia glauca Hodges, Stephen R. 2015-8-20 605 Riverside Joshua Tree National Park. Pleasant Valley, near roadside in ephemeral wet muddy area Comment
  SEINET953583  Hoffmannseggia glauca J. C. Roos 1965-1 Riverside 17 miles West of Blythe, Colorado Desert. Comment
  UC570587  Hoffmannseggia glauca Frank W. Peirson 1935-4-17 11469 Riverside 9 mi s Blythe Comment
  SD258922  Hoffmannseggia microphylla Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7648 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road; Side canyon forking N from Little Box Canyon, E of Box Canyon;; E side of Mecca Hills, E-NE of Mecca 281 Comment
  UCD105851  Hoffmannseggia microphylla Richard Bates 1949-4-28 s.n. Riverside Cathedral city, southeast of Palm Springs. Comment
  UCD105855  Hoffmannseggia microphylla P. C. Everett; E. K. Balls 1958-4-29 22958 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  RSA87061  Hordeum brachyantherum F. W. Peirson 1922-5-18 4336 Riverside Temescal Canyon 320 Comment
  CAS-BOT-BC285038  Hordeum depressum Steve Boyd; Tim Ross 1992-5-4 7176 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 731 Comment
  UCR26284  Hordeum intercedens John C. Roos 1952-4-23 5571 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 427 Comment
  UCR92703  Hordeum intercedens A. C. Sanders, D. Malueg, K. D. Jones 1996-4-20 18057 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  CAS-BOT-BC285111  Hordeum marinum subsp. gussoneanum Philip A. Munz 1941-5-18 16651 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  UCR79250  Hordeum marinum subsp. gussoneanum Steve Boyd, T. S. Ross 1992-5-4 7176 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  UCR92319  Hordeum murinum Scott D. White 1995-3-30 2681 Riverside San Jacinto Valley, Moreno Valley: base of Badlands slopes, north of Highland Blvd & west of Theodore St 579 Comment
  POM295696  Hordeum murinum subsp. glaucum Lyman Benson 1932-3-26 3167 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
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Dec 4 2011
  UCR201424  Horkelia clevelandii Scott D. White, Justin M. Wood 2008-6-17 12155 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UC1478708  Hulsea heterochroma C. W. Tilforth and B. Busenberg 1980-6-10 1986 Riverside 2.2 mi in on n leg Thomas Mtn. Rd. (w of Hwy 74 and s of Lake Hemet) Comment
  UCR9379  Hulsea vestita subsp. callicarpha D. H. Wilken 1965-6-29 338 Riverside San Jacinto Mtns, Near Hall Canyon, at Lake Fulmor 1494 Comment
  RSA784950  Hymenoclea salsola Duncan S. Bell 2012-2-12 3108 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR18648  Hymenopappus filifolius var. lugens Frank C. Vasek 1973-6-8 730608- 12 Riverside Santa Rosa Mtns, 1 mi above Garnet Queen Creek, at large curve in road 2073 Comment
  RSA783047  Hypericum androsaemum J. D. Olmsted 1959-7-1 721 Riverside Wellman's Cienega along trail from Idyllwild to San Jacinto Pk. by way of Fern Valley and Devil's Slide. 2805 Comment
  SEINET269589  Hypochaeris glabra Scott White 1994-6-23 2092 Riverside San Gertudis Creek ca. 1 mi. E. of Skink Hollow. (Batchelor Mountian Quad.) 396 Comment
  CHSC745  Hyptis emoryi V. Holt 1942-3-27 Riverside Blythe. 91 Comment
  JEPS63226  Hyptis emoryi W. L. Jepson 1912-10-30 5250 Riverside Black Point Colorado River, , Black Point (Riverside Mts.) 88 Comment
  RSA0112096  Hyptis emoryi Duncan S. Bell, Amanda Turek 2010-1-30 537 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on the west side of the range. 434 Comment
  UCR260270  Hyptis emoryi A. C. Sanders, Jim Malusa 2015-3-11 41404 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  POM9331  Hyptis emoryi Mary F. Spencer 1918-4-5 832 Riverside [Palm?] Canyon. Comment
  SEINET13948486 Image available Hyptis emoryi Rateaver 1944-1 51 Riverside Tahquitz Creek near Palm Springs Comment
  CAS-BOT-BC389744  Imperata brevifolia M. Danielson 1963-12-23 s.n. Riverside Tahquitz Canyon Comment
  UC74093  Isocoma acradenia var. acradenia M. F. Gilman 1904-1-1 37 Riverside Banning Comment
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Mar 13 2011
  LA203674  Isocoma acradenia var. eremophila A. M. Johnson; 1933-4-28 4207 Riverside E of Cook's Ranch, 4 mi. N of Indian Wells, and 15 mi. below Palm Springs Comment
  POM359294  Isocoma acradenia var. eremophila Jack Rempel 1932-11-13 16120 Riverside 6 miles up Palm Wash Comment
  UCR90976  Isocoma menziesii var. vernonioides Scott D. White 1995-12-30 3802 Riverside Perris Basin, SW of Perris, above S bank of San Jacinto River. 442 Comment
  RSA234046  Isoetes howellii R. F. Thorne, E. W. Lathrop 1969-5-12 37942 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  SEINET3863798 Image available Isoetes howellii Robert F. Thorne, Earl Lathrop 1975-5-20 45542 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro.; 0 610 Comment
  UCR60763  Isoetes orcuttii R. F. Thorne 1973-5-23 43853 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  CSUSB956  Isomeris arborea M. Quinlan 1974-4-18 Riverside Found in Riverside county about 4 miles from Palm Springs in the Agua Caliente Indian Reservation located in the San Andreas canyon. 304 Comment
  CLARK-A1656-898  Isomeris arborea var. angustata Jim Cornett 1977-6-25 Riverside Desert Hot Springs 396 Comment
  RSA395365  Iva axillaris subsp. robustior Steve Boyd 1986-4-22 1730 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA574733  Jepsonia parryi Steve Boyd 1981-1-28 s.n. Riverside Gavilan Hills region, north flank of Estelle Mountain on ridge 2477 along access road up Estelle Mountain out of Dawson Canyon. 701 Comment
  RSA595913  Jepsonia parryi D. L. Banks, Lauren Raz 1996-11-5 1172 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along a steep ridge S of the floodplain of the northern fork of Pechanga Creek. 487 Comment
  UC2015650  Juglans californica Scott D. White 1995-3-30 2683 Riverside San Jacinto Valley. Moreno Valley; base of Badlands slopes, N of Highland Bl. and W of Theodore St. Comment
  SD240765  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Peninsular Tange: Box Springs Mountains Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive (Riverside East 7.5'Q) 320 Comment
  UCR92279  Juncus balticus Scott D. White, S. Ogg 1994-10-17 2482 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  RSA617819  Juncus bufonius var. congestus R. E. Riefner 1998-8-13 98 -473 Riverside Elsinore Trough. Wildomar Comment
  JOTR35126  Juncus bufonius var. occidentalis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3238 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  RSA198995  Juncus bufonius var. occidentalis Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37448 Riverside Santa Rosa Plateau: Mesa de Colorado 671 Comment
  RSA356718  Juncus bufonius var. occidentalis Robert F. Thorne, E. W. Lathrop 1975-5-20 45500 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  SEINET3069034 Image available Juncus tiehmii B. J. Ertter, J. L. Strachan 1979-6-26 2971 Riverside Behind Kenworthy Ranger Station, near Route 74 in Hemet Valle, San Jacninto Mountain, San Bernardino Nat'l Forest 760 Comment
  UCR174172  Juncus xiphioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32582 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC85410  Juniperus californica Lewis S. Rose 1936-12-24 36810 Riverside San Jacinto Mts., palms to Pines Highway, 24 mi. SW. of Indio 1066 Comment
  POM250497  Juniperus californica I. W. Clokey 1935-4-17 6507 Riverside Cottonwood Springs Comment
  JEPS9192  Justicia californica Marjorie D. Clary 1934-3-3 Riverside 18 mi. w. of Indio (Carrizo Canyon); Carrizo Canyon 304 Comment
  LA202776  Justicia californica Martha Hilend; 1929-12-27 366 Riverside Shafer's Well Comment
  RSA402298  Justicia californica E. Crow 1929-2-24 173 Riverside Andreas Canyon, S of Palm Springs, Colorado Desert. Comment
  SEINET10437711 Image available Justicia californica J. R. Haller 1960-4-2 1552 Riverside North side of US Highway 60-70, 1.7 miles west of the south entrance road to Joshua Tree National Monument, about 22 miles east of Indio 488 Comment
  UCD121630  Justicia californica Dan Axelrod 1932-3-23 s.n. Riverside Palm Springs. Comment
  CDA28958  Keckiella antirrhinoides Mike Lahti 2009-4-7 PDR# 1501611 Riverside East Hemet. 0 Comment
  RSA278537  Keckiella antirrhinoides T. C. Emmel 1965-3-21 27 Riverside White Water Canyon. 0.6 mi. below Trout Farm) Comment
  RSA771102  Keckiella antirrhinoides Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4716 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  SDSU10659  Keckiella antirrhinoides Wende Rahlaender 1983-5-28 7 Riverside Santa Rosa Mtns, Big Horn Sheep Lookout: pn NW rom of Deep Canyon, about 15 miles along Hwy 74 from Palm desert; just SE of Sugarloaf Mtn., 5 miles NE of Santa Rosa Mtn. Comment
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Jul 14 2013
  UCR248185  Keckiella antirrhinoides David J. Keil 1983-4-15 16899 Riverside east of Temecula on SR 79 Comment
  RSA401734  Keckiella antirrhinoides N. C. Cooper 1947-4-5 2024 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SBBG54461  Keckiella antirrhinoides subsp. antirrhinoides L. R. Abrams 1941-4-12 13882 Riverside Palomar School, near Perris Comment
  JOTR16846  Keckiella antirrhinoides var. microphylla Baker, James K. & Baker, Ilisa T. 1966-6-1 s.n. Riverside Joshua Tree National Park. SQUAW TANK VICINITY 1097 Comment
  RSA293305  Keckiella cordifolia D. C. Michener 1980-7-18 3710 Riverside Old Banning rd. 2.7 mi. north west of jct with Poppet Flat rd. 1100 Comment
  SFV16973  Keckiella rothrockii var. jacintensis P. Wilson, M. S. Valenzuela 1997-7-25 3512 Riverside San Jacinto Mountains Near Round Valley Camp. 3000 Comment
  SFV13123  Keckiella ternata var. ternata M. J. Thor 1982-9-16 139 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  UCR275211  Kochia scoparia A. C. Sanders, Karen Kirtland 2016-9-23 42629 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR112073  Koeleria gerardi Mitch Provance 1998-3-20 174 B Riverside Riverside area, Jurupa Mtns., pass west of Rattlesnake Mtn., along the east side of Armstrong Rd., c. 1/8 mi. south of the San Bernardino Co. line 313 Comment
  CAS-BOT-BC273673  Koeleria pyramidata H. M. Hall 1901-6-1 2376 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  CAS-BOT-BC61438  Krameria bicolor F. Almeda 1976-6-5 2824 Riverside 4-5 mi. N of Interstate Hwy. #10 off of Whitewater Canyon Road Comment
  JOTR30064  Krameria erecta La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1694 Riverside Joshua Tree National Park. Stop #2 = Near Geology Tour rd., N of Malapai Hill 1286 Comment
  JOTR34066  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2963 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  RSA775443  Lactuca serriola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4445 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA715936  Lamarckia aurea Scott D. White, Angelia Carey 2004-4-5 10036 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR2509  Lamarckia aurea F. M. Reed 1904-1-5 221 Riverside Riverside, Victoria Ranch Comment
  UCR83330  Lamarckia aurea A. C. Sanders 1994-5-15 14489 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  POM2798  Larrea tridentata Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
  RSA329549  Larrea tridentata Gary D. Wallace 1966-3-26 266 Riverside Thousand Palm Oasis in the Indio Hills 70 Comment
  SD247522  Larrea tridentata A. C. Sanders, Jim Malusa 2015-3-10 41369 Riverside Sonoran (Colorado) Deert; north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Moutains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 609 Comment
  SEINET5762028  Larrea tridentata Kelly Wagner 1999-3-8 Riverside Dirt lot on left hand side (heading west) off Palm Canyon Dr. & Golf Club Dr. 148 Comment
  CAS-BOT-BC338921  Lasthenia californica H. M. Hall 1902-4-22 2941 Riverside Rialto. Vicinity of Riverside Comment
  CAS-BOT-BC352708  Lasthenia coronaria Rimo Bacigalupi; Gene Newcomb 1952-4-25 4399 Riverside Along State Hwy 79 close to summit of St. Johns Grade, about 3/4 mile south of Sage 731 Comment
  CAS-BOT-BC353286  Lasthenia coronaria H. M. Hall 1903-4-1 3982 Riverside Vicinity of Riverside 365 Comment
  RSA617151  Lasthenia gracilis A. C. Sanders, C. L. Sanders, E. J. Lawlor 1996-4-21 18070 Riverside Morongo Indian Reservation, grounds of Malki Meseum, NE of Banning. 732 Comment
Read comments
Sep 10 2011
  UCR138919  Lasthenia gracilis Julie A. Greene 1993-3-13 1009 Riverside San Jacinto River Valley, San Jacinto Wildlife Area. On the berm between ponds 441 Comment
  UCR76161  Lasthenia gracilis A. C. Sanders 1993-4-1 13660 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA502898  Lathyrus vestitus subsp. laetiflorus Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  UCR110985  Lathyrus vestitus var. vestitus George K. Helmkamp 1998-6-27 4119 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  SEINET270803  Layia glandulosa Richard J. Shaw 1958-4-6 1102 Riverside Joshua Tree National Monument ; Road between White Tank Campground and South Entrance 610 Comment
  CAS-BOT-BC379670  Layia platyglossa Robert F. Thorne; Earl Lathrop 1969-5-12 37946 Riverside Santa Rosa Plateau: Mesa de Colorado, Racho California 624 Comment
  SD137866  Layia platyglossa Darin L. Banks, Steve Boyd 1995-5-9 380 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, west of the Dripping Springs Alcove Area. 700 Comment
  UC219258  Layia platyglossa Munz and Johnston 1922-5-19 5419 Riverside Hemet Valley San Jacinto Mountains, Hemet Valley 1402 Comment
  UCR12202  Layia platyglossa S. W. Berthel 1971-5-27 s.n. Riverside Box Springs Mtns, Just above 'C' Comment
  CLARK-A1656-836  Layia platyglossa subsp. campestris Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  RSA376132  Lemna minuta Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61204 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA769623  Lepechinia E. W. Lathrop 1973-6-28 7440 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA563912  Lepidium dictyotum A. C. Sanders 1993-4-5 13684 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  CAS-BOT-BC89438  Lepidium fremontii Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley. Comment
  RSA697451  Lepidium lasiocarpum J. R. Bruff 1927-3-12 34 Riverside Fingal Comment
  JOTR35505  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3193 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UC1007186  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1940-3-23 15687 Riverside n of Pinto Basin (n Riverside County); Mohave Desert 609 Comment
  UC354427  Lepidium lasiocarpum var. lasiocarpum Edmund C. Jaeger 1925-12-19 Riverside near Palm Springs; Eagle Canyon Comment
  CAS-BOT-BC158125  Lepidium latifolium Abby Sirulnik 2000-5-4 38 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  SBBG133576  Lepidium latifolium S. D. White, L. Stafford 2007-6-27 11750 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  RSA660453  Lepidium latipes A. C. Sanders, K. C. Rose 1998-5-21 21865 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR281215  Lepidium latipes Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 21 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UCD115888  Lepidium virginicum subsp. menziesii A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-7 24158 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Drew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. 503 Comment
  SD137828  Lepidium virginicum var. pubescens Darin L. Banks, Steve Boyd 1995-5-3 189 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain. East of Dripping Springs Alcove Area, ArroyoSeco 504 Comment
  SDSU17495  Lepidium virginicum var. pubescens Jerry Jenkins 2001-3-31 2001 -017 Riverside Santa Margarita Ecological Reserve. Sandy path on east side of river, UTM zone 6, 481850E, 3699100N. UTM transfered to GIS. Comment
  RSA716369  Lepidium virginicum var. robinsonii Scott D. White 2006-5-19 11475 Riverside South of Hemet, Santa Rosa Hills near Hemet Butte. 549 Comment
  RSA586919  Lepidium virginicum var. virginicum D. L. Banks, S. D. Boyd 1995-5-3 254 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA289874  Leptochloa fusca subsp. uninervia B. A. Prigge 1980-9-17 4089 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel., Near Lat. 33 : 34 N ; Long. 116: 6 W. -55 Comment
  SEINET10861664  Leptochloa fusca subsp. uninervia Paul M. Peterson 1989-9-22 Peterson 8123 Riverside San Jacinto: 8.8 km W of State Hwy 79 on Ramona Expressway towards Lakeview. Mud flats surrounded by weedy vegetation in a fallow field. 500 Comment
  UCR107736  Leptochloa uninervia John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  JOTR31064  Leptodactylon pungens La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2046 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 3: west side of Quail Mountain region on steep north facing slope with loose loamy soil Comment
  UC455471  Leptodactylon pungens I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  RSA0080324  Leptosiphon lemmonii Sarah J. De Groot, Cheryl Sevilla 2015-3-18 7370 Riverside White Water Canyon, along the Pacific Crest Trail, just west of the White Water Preserve; south of Red Dome. Southwest of Morongo Valley, west-northwest of Desert Hot Springs. 718 Comment
  GMDRC6562  Leptosiphon liniflorus J. M. Andre 2012-6-15 30516 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA586327  Leptosiphon parviflorus D. L. Banks, S. D. Boyd 1995-5-3 0192 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC990719  Lesquerella tenella Roxana S. Ferris 1953-3-13 12607 Riverside road along Coachella Canal e Bat Caves Buttes (near Imperial County Line); along Coachella Canal, e of Bat Caves Buttes Comment
  UCR114844  Lessingia filaginifolia var. filaginifolia Mitch Provance 1998-2-17 60 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR34941  Lessingia glandulifera var. glandulifera L. B. Ziegler 1964-8-30 017 Riverside San Jacinto Mtns., Hemet (Garner) Valley, Thomas Mtn. subdivision 1402 Comment
  RSA192226  Lilaea scilloides E. W. Lathrop 1966-5-1 6245 Riverside 3 miles W of Murrieta Comment
  RSA198979  Lilaea scilloides Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37450 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA356744  Lilaea scilloides Robert F. Thorne 1973-5-23 45518 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR224046  Limonium duriusculum Justin M. Wood 2009-11-30 1386 Riverside Southwest Perris Basin, Temecula, Murrieta Creek, downstream of 1st Street Bridge 305 Comment
  UCR25549  Linanthus androsaceus John C. Roos 1941-4-19 167 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  RSA468573  Linanthus androsaceus subsp. luteolus N. C. Cooper 1944-6-17 1394 Riverside San Jacinto Mountains above Banning. 915 Comment
  SEINET7073299  Linanthus bellus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  RSA543152  Linanthus bigelovii Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6021 Riverside Vail Lake region, alluvial benches along Kolb Creek, S of Hwy 79 at Jtn w/ Woodchuck Rd. 494 Comment
  RSA543173  Linanthus bigelovii Steve Boyd, Mike Hammitt 1991-5-2 6083 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UCR88648  Linanthus bigelovii A. C. Sanders 1995-4-13 16503 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  HSC17001  Linanthus dianthiflorus C. L. Hitchcock 1966-3-16 24184 Riverside About 5 mi. NE of Aguanga Comment
  SBBG64562  Linanthus dianthiflorus M. N. Ackley 1928-3-11 825 Riverside between Banning and Cabazon 609 Comment
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Mar 13 2011
  UCR14222  Linanthus dianthiflorus June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  JEPS58524  Linanthus floribundus subsp. floribundus W. L. Jepson 1907-5-25 1445 Riverside Santa Rosa Indian Village Santa Rosa Mts. Comment
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Nov 29 2008
  CLARK-A1528-4216  Linaria canadensis John C. Roos 1947-3-15 3346 Riverside San Jacinto Valley Comment
  SBBG87907  Linaria maroccana B. Pitzer 1986-2-22 17 Riverside Whitewater Cyn, at Fish Hatchery Comment
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Jan 14 2010
  HSC86138  Linum lewisii B. Freeman 1969-6-14 6906143 Riverside University of California James Reserve, San Jacinto Mtns., E of James House. Comment
  RSA659606  Lithophragma affine J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  RSA0010986  Lithophragma affine Ora M. Clark 1929-3-29 1949 Riverside S. Hemet. Comment
  RSA0018463  Lithophragma affine N. C. Cooper 1949-6-29 4346 Riverside Pine Cove. 1829 Comment
  UCR60269  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3118 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  RSA23274  Loeseliastrum schottii Ernest Braunton 1940-03 2034 Riverside Berdoo Canyon. Comment
  SEINET6188281  Logfia arizonica David Silverman, Onkar Singh 2010-1 7843 Riverside Sonoran (Colorado) Desert; NW of Blythe, Palo Verde Mesa, 1.4 km east of Black Creek Rd, 4.9 km west of McCoy Wash, and 8.8 km north of I-10 151 Comment
  RSA0104699  Logfia filaginoides Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7756 Riverside Morongo Canyon Preserve; collecting in side canyon off of Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 777 Comment
  RSA0125293  Logfia filaginoides Duncan S. Bell 2016-3-3 8779 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  UCR243127  Logfia gallica Kate Kramer 2012-5-8 258 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  UCR2519  Lolium perenne subsp. multiflorum F. M. Reed 1906-5-27 968 Riverside San Bernardino Valley, Riverside, Grand Avenue opposite Rudolph's Ranch 244 Comment
  SEINET271514 Image available Lolium perenne subsp. perenne A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18051 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  UCR97722  Lomatium dasycarpum Scott D. White 1997-2-9 4678 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  POM305709  Lomatium dissectum var. multifidum Henry J. Ramsey, Henry J. Ramsey 1939-4-22 I- 30 Riverside Hemet-Anza, Bautista Creek Road. Comment
  SD120074  Lomatium utriculatum Louis B. Ziegler 1969-5-18 345 Riverside San Jacinto Mountains, Hemet Valley near Pine Meadows, bottom of valley floor 1435 Comment
  SDSU2935  Lonicera subspicata var. denudata Garrison 1962-7-16 Riverside 3 miles south of Temecula. Highway 395. Cismontane. 335 Comment
  JEPS55418  Lotus argophyllus W. L. Jepson 1901-5-20 1331 Riverside Thomas Valley to Van Deventer Ranch Comment
  RSA568541  Lotus argophyllus var. argophyllus B. C. Templeton 1931-4-23 s.n. Riverside Between Perris and Gavilan Peak. Comment
  UCR6717  Lotus crassifolius Frank C. Vasek 1964-7-25 640725- 15 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  UCR90277  Lotus hamatus Scott D. White 1995-7-7 3441 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR92162  Lotus hamatus D. L. Banks, Peter L. Morrell 1995-5-4 315 Riverside Agua Tibia Mtns., Cleveland National Forest, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground at base of hills north of Wildhorse Peak. 537 Comment
  RSA717625  Lotus heermannii Scott D. White 2006-4-27 11284 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC15749  Lotus heermannii H. M. Hall Jun 1901 2021 Riverside s side San Jacinto Mountains 1219 Comment
  UCR193410  Lotus heermannii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35574 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1585 Comment
  UCR185173  Lotus nevadensis Naomi Fraga, Et al. 2006-7-11 1713 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  JEPS55538  Lotus nevadensis var. nevadensis W. L. Jepson 1903-8-7 2287 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  UC80779  Lotus oblongifolius var. oblongifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  UC864848  Lotus oblongifolius var. oblongifolius I. W. Clokey and E. G. Anderson 1935-8-21 6722 Riverside Fuller Creek San Jacinto Mts. 1500 Comment
  CSUSB1192  Lotus purshianus Leland R. Dykes 1962-5-8 94 Riverside Santa Ana Mountains, San Mateo Canyon Road, 7 miles west of Palomar Road in Murrieta. Comment
  RSA789414  Lotus purshianus Naomi Fraga 2008-8-28 2610 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  UCR193882  Lotus purshianus A. C. Sanders 2008-7-25 35895 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  UCR94920  Lotus purshianus var. purshianus Scott D. White 1996-6-15 4466 Riverside Peninsular Ranges, San Jacinto Mountains, Idyllwild area. Alvin Meadows and unnamed canyon upstream. 1585 Comment
  RSA406790  Lotus rigidus N. R. Zabriskie, Walter M. Zabriskie 1970-6-1 328 Riverside Andreas Canyon area, east slope San Jacinto Mts. 427 Comment
  SEINET3131519  Lotus rigidus L. S. Rose 1935-12-23 35694 Riverside Colorado Desert, above Deep Canyon, San Jacinto Mts., 22 mi S of Cathedral City 1067 Comment
  UCR251298  Lotus salsuginosus T. B. Salvato 2013-3-27 7432 Riverside Temescal Valley, Corona, c. 1 mi southeast of Corona (Lee) Lake and 0.2 mi south of Hwy 15, between De Palma Road and Colt Drive, west side of Horsethief Canyon Road 396 Comment
  CLARK-A1703-68  Lotus scoparius William Horn, Jr. 1963-3-22 630322#1 Riverside Riverside 365 Comment
  UCR192716  Lotus scoparius subsp. brevialatus A. C. Sanders, Mike Misenhelter 2008-6-10 35448 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  RSA0037335  Lotus scoparius subsp. scoparius Bob Rogers 1984-4-21 15 Riverside Collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  POM27177  Lotus scoparius var. brevialatus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  CSUSB1244  Lotus strigosus K. S. Gill 1965-4-17 Riverside South side of Highway 60, one mile west of Beaumont. 457 Comment
  RSA614128  Lotus strigosus D. L. Banks 1997-2-23 1295 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  SEINET2062430 Image available Lotus strigosus G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2718 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. Comment
  UCR111768  Lotus strigosus Mitch Provance 1998-3-18 225 Riverside City of Riverside, Property along the W side of Stater Bros. near the corner of Colorado Ave. and Adams St. 241 Comment
  UCR155938  Lotus strigosus John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR90370  Lotus strigosus Scott D. White 1995-6-30 3430 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR96812  Lotus strigosus Scott D. White 1993-3-12 1182 Riverside Near Winchester 466 Comment
  UCR98294  Lotus strigosus Scott D. White 1992-3-29 92- 56 Riverside San Bernardino Mtns, Millard Canyon. Steep W facing slope below fork with East Millard Cyn Rd. Comment
  UCR18154  Lotus strigosus var. hirtellus A. C. Sanders 1978-4-1 00333 Riverside Santa Rosa Mtns, Pinyon Flats area, east side of Sugarloaf Mountain above Highway 74 1220 Comment
  RSA406466  Lotus tomentellus M. B. Dunkle 1937-3-25 4960 Riverside Dry Morongo. Comment
  UCR48350  Lotus wrangelianus Steve Boyd 1986-4-22 1765 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  POM46811  Lupinus arizonicus Mary F. Spencer 1920-3-17 1497 Riverside Whitewater. Comment
  RSA775622  Lupinus arizonicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1002 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets. 396 Comment
  RSA0023093  Lupinus arizonicus John F. Emmel 1995-4-21 1368 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 488 Comment
  OBI22889  Lupinus bicolor David Dunn 1941-3-29 932 Riverside 2 mi W of Corona Comment
  RSA789349  Lupinus bicolor Naomi S. Fraga, Duncan S. Bell 2009-5-6 2704 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  UC1595796  Lupinus bicolor W. Wisura, A. King, and L. Newcomb 1992-4-10 4672 Riverside Stubbe Canyon n West Palm Springs (Gorgonio Pass); , Stubbe Canyon Comment
  HSC85275  Lupinus concinnus Steve Boyd 1986-4-22 1782 Riverside Gavilan Hills: Summit of Estelle Mtn. Comment
  RSA0013625  Lupinus concinnus LeRoy Gross, Duncan S. Bell 2013-4-30 6032 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  UCR122525  Lupinus concinnus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6671 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR202000  Lupinus concinnus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR97493  Lupinus concinnus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19883 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA559939  Lupinus concinnus subsp. concinnus Steve D. Boyd 1992-4-18 6890 Riverside Buck Mesa, S of Lake Skinner, 1.8 mi E of main entrance rd to lake along Borell Rd. Comment
  RSA607356  Lupinus concinnus subsp. concinnus R. S. Woglum 1941-5-17 3043 Riverside Peninsular Ranges/Sonoran Desert transition: Alder Canyon off Coyote Canyon. Comment
  OBI40934  Lupinus excubitus Jennifer Lyman 1981-5-24 s.n. Riverside May Valley rd, Idyllwild Comment
  UC130311  Lupinus excubitus H. M. Hall 1899-5-24 1375 Riverside s slopes El Toro Mt.; San Jacinto Mountains, s slopes El Toro Mt. 1828 Comment
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Jul 23 2008
  CAS-BOT-BC216686  Lupinus excubitus subsp. hallii Elizabeth McClintock 1965-6-25 s.n. Riverside A short distance below the summit, Santa Rosa Mountain Comment
  SD229154  Lupinus excubitus var. austromontanus Dick Schwenkmeyer 2012-8-28 826 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UC1542842  Lupinus formosus D. B. Dunn, Conrad and Kenney 1973-6-15 20769 Riverside gas station on the sw corner at the Jct of Hwy 74 and 71 1432 Comment
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May 24 2012
  RSA413655  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA561812  Lupinus hirsutissimus Steve D. Boyd 1992-4-14 6832 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA719792  Lupinus hyacinthinus Naomi S. Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1738 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SD229155  Lupinus hyacinthinus Dick Schwenkmeyer 2012-8-7 782 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR180045  Lupinus microcarpus Mitch Provance 2005-5-18 9810 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  SBBG114168  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava St (DeLuz Rd) 0.4 mi S jct Washington Ave in Murietta Comment
  SD148159  Lupinus microcarpus var. microcarpus G. K. Helmkamp, E. A. Helmkamp 2001-5-2 6624 Riverside La Panza Range: CA-58 11.2 miles east of Santa Margarita 487 Comment
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Dec 7 2011
  CAS-BOT-BC207239  Lupinus peirsonii Lester Rowntree 1937-5-7 s.n. Riverside Alder Canyon Comment
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Sep 4 2019
  CLARK-A1528-2850  Lupinus sparsiflorus John C. Roos 1937-4-18 1357 Riverside Cabazon Comment
  OBI30745  Lupinus sparsiflorus Rhonda Riggins 1982-4-15 1344 Riverside CA 371 3.6 mi N jct CA 79 in Aguanga 610 Comment
  RSA495448  Lupinus sparsiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2976 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA613631  Lupinus sparsiflorus D. L. Banks, Victor W. Steinmann 1997-3-13 1486 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  SEINET3440252 Image available Lupinus sparsiflorus B. Pitzer 1986-4-26 187 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (White-water 7.5'). Comment
  POM98002  Lupinus sparsiflorus subsp. sparsiflorus E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  RSA414826  Lupinus succulentus M. B. Dunkle 1934-3-18 3863 Riverside Moreno 488 Comment
  UCR173149  Lupinus succulentus Abby Sirulnik 2000-4-25 19 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  SDSU14051  Lupinus truncatus Ingrid Poulin 2002-4-12 15 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 201 Comment
  SDSU18683  Lupinus truncatus C. Matt Guilliams, Jeannine Ross 2008-3-5 492 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UCR22037  Lupinus truncatus Steve Boyd 1980-5-11 241 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  JOTR31816  Lycium andersonii La Doux, Tasha, Bill Truesdell 2007-11-9 2523 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Canyon parallel to and east of Lost Palms Canyon (Stop 5) 651 Comment
  UC218058  Lycium andersonii P. A. Munz and D. Keck Apr 9 1912-Apr 12 1912 4849 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
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Apr 5 2011
  UC218100  Lycium andersonii P. A. Munz, D. Keck 1922-4-9 4811 Riverside s base Eagle Mtns.; Colorado Desert 182 Comment
  UCR108294  Lycium andersonii G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, c. l mi. airline SW of Arnold Heights. Wash just south of Van Buren Rd. 213 Comment
  UCR139389  Lycium andersonii P. A. Munz 1949-4-11 12999 Riverside Mojave Desert, eastern end of Joshua Tree National Monument 945 Comment
  SDSU21789  Lythrum hyssopifolia Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3989 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UCR116479  Lythrum hyssopifolia A. C. Sanders, T. B. Salvato 2001-5-25 24379 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  CLARK-A1528-5378  Machaeranthera tephrodes John C. Roos 1951-10-19 5330 Riverside San Jacinto River 457 Comment
  UCR41550  Machaeranthera tortifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6091 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SD87606  Malacothamnus densiflorus F. W. Peirson 1920-6-22 2189 Riverside Temecula River. 456 Comment
  UCR231744  Malacothamnus fasciculatus John F. Green 2008-4-23 08- 11 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  CAS-BOT-BC345284  Malacothrix californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  UCR59693  Malacothrix clevelandii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3539 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  UC1923763  Malacothrix glabrata John L. Strother 2008-3-10 1369 Riverside ca 18 km (11 mi) W of Chiriaco Summit , along N frontage of I-10 420 Comment
  UCR245960  Malacothrix glabrata Duncan S. Bell 2009-3-8 69 Riverside Arica Mountains, north tip of range, c. 3 air miles NW of Priest Well, or c. 5.5 air miles SW of ghost town of Rice 404 Comment
  SEINET11799396  Malacothrix glabrata Unknown 1933-1 8052 Riverside Banning Comment
  UCR180347  Malva parviflora Scott D. White, Angelia Carey 2004-4-5 10031 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA434902  Malva parviflora Richard C. Barkelew, Mark Morris 1929-3-3 s.n. Riverside Perris. Comment
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Nov 9 2011
  CHSC8313  Mammillaria tetrancistra Edward L. Smith 1957-4-3 228 Riverside At entrance to White Water Canyon, San Bernardino Mts. 579 Comment
  RSA229828  Marah macrocarpa Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 588 Riverside Cleveland Nat. Forest. 6.5 mi. S of Lake Elsinore along Forest Route 7SO4 Comment
  UCR88424  Marah macrocarpa A. C. Sanders, K. C. Rose 1995-4-5 16359 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR92444  Marah macrocarpa A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18099 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA4923  Marina parryi Carl B. Wolf 1932-4-28 3088 Riverside Mesa at S.W. edge of Maria Mts., eastern Colorado Desert, 10 mi. from Blythe on the Rice rd 152 Comment
  SD44843  Marina parryi Darley F. Howe 1952-4-28 Riverside 4.0 miles east of Desert Center Comment
  UC1368530  Marina parryi W. L. Jepson 1912-10-29 5248 Riverside Blythe Intake, at Black Point, Palo Verde Valley, on edge of Riverside Mts. Riverside Mts., Palo Verde Valley 88 Comment
  UCR274806  Marrubium vulgare David Fraker, Aaron C. Sedgwick 2012-3-27 049 Riverside Central Mojave Desert, Copper City Road [c. 1 mi south of its junction with Coolgardie Road], Coolgardie Mesa 1189 Comment
  SD68957  Marsilea vestita Robert F. Thorne, E. Lathrop & P. Munz 1968-5-8 37566 Riverside Santa Rosa Plateau, Mesa de Colorado, Rancho California 669 Comment
  UCR127563  Matricaria matricarioides A. C. Sanders, T. B. Salvato 2003-5-21 26794 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA759271  Meconella denticulata Robt. Allen, L Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  RSA799091  Melica frutescens Sarah J. De Groot, Evan Meyer, Abby Hird 2013-3-23 6889 Riverside Joshua Tree National Park, Biodiversity Hunt; north and northwest part of Lost Palms Oasis 988 Comment
  UCR187358  Melica frutescens R. E. Riefner Jr. 2006-8-2 06- 350 Riverside Peninsular Range, Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW c. 0.75 mi. from Leon Rd. 580 Comment
  UCR20447  Melica imperfecta E. W. Lathrop 1966-4-13 6171 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  UCR216402  Melica imperfecta Mike Bell 2008-3-30 030 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  SEINET7048165  Melica imperfecta Steven R. Hill 2001-5-3 33668 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR167270  Melilotus albus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR241495  Melilotus indicus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 216 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  SEINET189691 Image available Menodora scabra var. glabrescens Annie M. Alexander, Louise Kellogg 1941-1 2208 Riverside North base of Eagle Mountains 1158 Comment
  RSA787206  Mentzelia J. D. Olmsted 1959-4-18 418 Riverside At base of Santa Ana Mts. Drainage area to Santa Ana River. 2 mi N of Elsinore on Hwy 71 on east side of road. 351 Comment
  UC56213  Mentzelia affinis H. M. Hall Apr. 1903 3829 Riverside vicinity Riverside; Southern California 365 Comment
  UC1004771  Mentzelia involucrata E. C. Jaeger 1939-12-29 Riverside 5 m e Indio (Eytel Canyon branching from Fargo Canyon) 243 Comment
  UCR133533  Mentzelia involucrata E. K. Balls 1949-4-2 12896 Riverside Sonoran (Colorado) Desert, between Mecca and Mortmar on Hwy 111 -61 Comment
  UCR216680  Mentzelia involucrata Jim Andre, T. La Doux 2009-3-10 11241 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  POM13053  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4836 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UCR133706  Mentzelia jonesii N. C. Cooper 1944-3-25 1037 Riverside Sonoran (Colorado) Desert, Morongo Pass '1500 ft. 549 Comment
  UC488988  Mentzelia laevicaulis var. laevicaulis C. V. Meyer June 1927 209 Riverside Western base of San Jacinto Mt. Comment
  RSA561077  Mentzelia micrantha Steve Boyd, Orlando Mistretta 1992-4-22 7008 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA734201  Mentzelia micrantha Keith E. Hoffmaster 1934-4-8 132 Riverside Santa Ana Mts. Comment
  POM13041  Mentzelia obscura P. A. Munz, D. D. Keck 1922-4-9 4854 Riverside Vicinity of Corn Springs, Chuckwalla Mtns, Colorado Desert. 396 Comment
  UCR102947  Mentzelia obscura George K. Helmkamp 1998-4-4 3163 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  RSA192016  Mentzelia veatchiana E. W. Lathrop 1959-4-16 4446 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  CLARK-A1045-189  Micropus californicus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  UCR220326  Microseris douglasii D. E. Bramlet 1991-5-7 2118 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  JEPS36154  Microseris douglasii subsp. douglasii S. B. Parish 1914-3-24 9079 Riverside Perris Comment
  RSA496365  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3039 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 549 Comment
  RSA559927  Microseris douglasii subsp. platycarpha Steve Boyd 1992-4-18 6896 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  UCR250112  Microseris douglasii subsp. platycarpha A. C. Sanders 2014-4-23 41064 Riverside Peninsular Range, Baker St. NW of Lake Elsinore, near Alberhill Mtn., 1.45 km NW of Hwy 74 385 Comment
  UCR112010  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2000-5-25 23407 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  POM363470  Microseris lindleyi M. M. Thompson 1947-6-9 2062 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  UCR180108  Microseris lindleyi Mitch Provance 2003-4-26 9897 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR260550  Microseris lindleyi T. B. Salvato, Matt Malle 2014-5-29 8020 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  SDSU10748  Mimulus aurantiacus D. Hunsaker 1962-4-10 Riverside 3 miles SSW from Temecula. Comment
  JEPS4586  Mimulus aurantiacus var. pubescens W. L. Jepson 1939-4-19 19208 Riverside 3 mi s Aguanga 731 Comment
  JEPS4611  Mimulus aurantiacus var. pubescens Marjorie D. Clary 1932-5-12 1636 Riverside e Little San Bernardinos (Lost Horse Canyon); Colorado Desert, Joshua Tree National Monument 1432 Comment
  POM8484  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2294 Riverside Butte west of Lakeview. 610 Comment
  UC943882  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 F Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UCR37482  Mimulus aurantiacus var. pubescens Steve Boyd 1981-3-2 s.n. Riverside Gavilan Hills, Dawson Canyon. About 1 mi downstream from narrows Comment
  POM8575B  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2284 Riverside Butte west of Lakeview. 610 Comment
  RSA221044  Mimulus aurantiacus var. puniceus E. W. Lathrop 1966-4-20 6194 Riverside Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR182375  Mimulus aurantiacus var. puniceus Andrea Salzman, Diane Menuz, Carlos Navarro, Ricky Escobar, Theresa Johnson, Angela Hyder 2006-3-21 18 Riverside Peninsular Range, Black Hills NE of Oak Mountain 793 Comment
  UCR279587  Mimulus bigelovii A. C. Sanders, Jim Malusa 2017-3-28 43149 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  POM122677  Mimulus bigelovii var. bigelovii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  UC1080454  Mimulus bigelovii var. bigelovii P. C. Everett and E. K. Balls 1958-4-29 23017 Riverside 1 mi w Cactus City (U.S. Hwy. 60/70, Indio to Blythe) 548 Comment
  RSA435531  Mimulus cardinalis Robert L. Rutherford 1945-6-17 1668 Riverside Burned Canyon, Banning. 1220 Comment
  UCR3734  Mimulus guttatus Frank C. Vasek 1964-7-25 640725 11 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  LA99204  Mimulus guttatus subsp. guttatus E. R. Hobbs; 1978-7-17 78 -120 Riverside Avery Canyon, Between Santa Rosa Hills and Pollly Butte, N side of Gibbel Road, S of Hemet Comment
  UC27074  Mimulus palmeri H. M. Hall 1901-6-22 2230 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR77578  Mimulus parishii Steve Boyd, T. S. Ross 1991-6-8 6327 Riverside San Jacinto Mtns., Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill north of Hwy 74 Comment
  RSA583954  Mimulus pilosus R. G. Swinney 1993-6-24 2351 Riverside San Gabriel Mountains. 1.6 miles NW of junction 3N33 and 3N06, N of Shade campground. 1643 Comment
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Dec 5 2014
  UC886073  Mimulus pilosus Carl B. Wolf 1932-8-5 3930 Riverside summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley; San Jacinto Mts. 2438 Comment
  UCR113885  Mimulus pilosus Mitch Provance 2000-6-24 2041 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR92265  Mimulus pilosus Scott D. White, M. A. Patten 1995-8-16 3540 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  POM12053  Mimulus rubellus P. A. Munz 1922-6-30 5911 Riverside Santa Rosa Mountains. 1982 Comment
  RSA0104491  Mirabilis albida Duncan S. Bell 2015-9-30 8664 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  POM293182  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12024 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  CAS-BOT-BC434829  Mirabilis laevis var. retrorsa Philip A. Munz 1940-3-22 15654 Riverside Whitewater Canyon, 2 miles north of Banning - Indio boulevard Comment
  RSA464818  Mirabilis laevis var. villosa I. M. Johnston 1917-4-4 13806 Riverside Mouth of Andreas Canyon. 244 Comment
  RSA715244  Modiolastrum lateritium A. C. Sanders, T. B. Salvato 2006-5-4 32245 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
  RSA517244  Mohavea confertiflora Steve D. Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1335 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  RSA782084  Mohavea confertiflora Duncan S. Bell 2009-3-7 1 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  RSA788973  Mohavea confertiflora Aaron C. Sedgwick, David Fraker 2012-3-28 31 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR50645  Mohavea confertiflora B. A. Prigge 1988-2-21 7846 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  JOTR29181  Mollugo cerviana La Doux, Tasha 2003-9-24 1258 Riverside Joshua Tree National Park. Queen Mountain, Trail to Barker Dam (stop 1) 1296 Comment
  UC130499  Monardella australis subsp. australis Mrs. C. M. Wilder 1909-7-10 3 Riverside above Walters; San Jacinto Mts., Tahquitz creek Comment
  CAS-BOT-BC220024  Monardella breweri subsp. lanceolata Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC220029  Monardella breweri subsp. lanceolata B. D. Stark 1927-6-25 s.n. Riverside Near Cresmore [Crestmore], West Riverside 304 Comment
  JEPS63328  Monardella breweri subsp. lanceolata Carl V. Meyer 1928-8-1 624 Riverside Saunder's Meadow San Jacinto Mts. Comment
  SEINET13948595 Image available Monardella lanceolata Carl B. Wolf 1932-1 3914 Riverside San Jacinto Mts. Point View, near Idyllwild. Alt 5400 ft. 1646 Comment
  LA62724  Monardella linoides subsp. linoides Carl Epling; 1938-8-14 sn Riverside Santa Rosa Mountains, near lower margin of yellow Pine on highway Comment
  UCR85319  Monardella macrantha subsp. hallii A. C. Sanders, S. D. White, C. L. Sanders 1994-12-18 15896 Riverside San Jacinto Mountains, Old Idyllwild Control Rd at & just below Halfway Spring. 1100 Comment
  RSA750389  Monardella nana subsp. arida C. Epling 1941-6-5 s.n. Riverside 1.2 miles below Ribbonwood. Pines to Palms Highway. Comment
  SEINET1910804  Monardella nana subsp. arida E. McClintock, H. Lewis 1941-1 76 Riverside Road up Santa Rosa Mt. 1/2 mile beyond canyon where stream crosses road. Comment
  CLARK-A1528-1334  Monardella nana subsp. tenuiflora Frank C. Vasek 1979-7-26 77907260- 2 a Riverside Santa Rosa Mountains Comment
  RSA701740  Monardella nana subsp. tenuiflora Steve Boyd, Valerie Soza 2004-6-22 11536 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  RSA750272  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-22 71 Riverside 0.1 mile from fork in road going to the public camps, on the Banning-Idyllwild road. Comment
  RSA750312  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  SD135258  Monardella nana subsp. tenuiflora Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northern slope of Santa Rosa Peak Comment
  CAS-BOT-BC248291  Monardella robisonii A. C. Sanders; Mark Elvin 2001-8-17 24594 Riverside Mojave Desert, LIttle San Bernardino Mtns: trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  RSA535156  Monolepis nuttalliana Steve Boyd, D. Bramlet 1991-5-13 6258 Riverside San Jacinto River at Ramona Expressway near Lakeview Hotsprings. Comment
  POM36544  Monoptilon bellioides Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA450538  Monoptilon bellioides B. A. Prigge 1988-2-21 7843 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
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Feb 23 2010
  UC63199  Monoptilon bellioides H. M. Hall May 17 1901-Jun 1 1901 1836 Riverside e base San Jacinto Mt.; Colorado Desert 762 Comment
  UCD80947  Monoptilon bellioides Chuck Hughes 2009-3-25 68 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 265 Comment
  UCR90317  Monoptilon bellioides F. M. Reed 1920-3-24 4223 Riverside Sonoran (Western Colorado) Desert, Palm Springs region 152 Comment
  SEINET10941521  Monoptilon bellioides David B. Dunn 1948-2-21 Dunn 3685 Riverside On top of hill to north. Pushawalla. A rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  RSA357119  Montia fontana R. F. Thorne 1973-5-23 45520 Riverside Santa Rosa Plateau-Mesa De Colorado: Wet margin of vernal marsh 609 Comment
  JOTR29575  Muhlenbergia microsperma Andre, Jim 2006-4-6 6687 Riverside Joshua Tree National Park. Pinto Basin, approx. 400 m S. of Pinto Basin Rd (paved), 3 mi. SE of Twin Tanks, 1023 Comment
  UCR213463  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38364 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR90300  Muhlenbergia microsperma F. M. Reed 1920-5-24 4351 Riverside Riverside, Box Springs Mtns: Canyon east of Highgrove, above Eureka Ranch 396 Comment
  POM9227  Muhlenbergia microsperma I. M. Johnston 1920-5-8 2262 Riverside Box Springs Grade Comment
  POM48398  Muhlenbergia rigens P. A. Munz, I. M. Johnston 1924-7-28 8814 Riverside Pine Flats 1738 Comment
  UCR266314  Myosurus minimus subsp. apus D. E. Bramlet 1991-4-3 2110 Riverside Perris-Aguanga Basin region, west of Hemet, west of Warren Rd. across from Hemet-Ryan Airfield 457 Comment
  SBBG34981  Myriopteris clevelandii T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning Comment
  SD181815  Myriopteris newberryi Scott D. White, Tasha La Doux 2000-4-20 7676 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  SBBG45292  Myriopteris parryi S. B. Parish -Mar-1882 Riverside Agua Caliente [Palm Springs] Comment
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Jul 12 2010
  RSA264149  Nama hispida var. spathulata C. W. Tilforth, John Dourley, Walter Wisura 1977-6-19 1329 Riverside 2 miles S of Rice and Hwy 62, along Blythe-Rice Rd. 267 Comment
  UC149798  Nassella cernua H. M. Hall April 1902 2921 Riverside vicinity of Winchester 304 Comment
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Mar 20 2011
  UC188932  Nassella cernua Fred M. Reed 1903-12-13 219 Riverside Bluffs Ranch Riverside; <Bluffs Ranch on Arroyo Tequesquite, terrace at S end> Comment
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Apr 30 2011
  SBBG53741  Nassella lepida L. S. Rose 1980-5-11 Riverside Harford Springs County Park, E side of Gavilan Rd Comment
  UCR280982  Navarretia atractyloides Mitch Provance 2017-5-25 517- 68 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  RSA642462  Navarretia fossalis Stan C. Spencer 1994-4-16 4416 -21 Riverside From Winchester E 2 mi to California Av then N ca 1 mi to Stowe Rd NW of inters 20 m. Comment
  SBBG101738  Nemacladus ramosissimus S. Boyd, D. Bramlet 1991-5-13 6251 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester, ridge top S of S-end of Warren Rd 548 Comment
  CAS-BOT-BC416316  Nemacladus tenuis var. tenuis A. C. Sanders; K. C. Rose 1995-4-27 16731 Riverside Sonoran (Colorado) Desert: Coachella Valley, foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park 548 Comment
  RSA75132A  Nemacladus tenuis var. tenuis F. W. Peirson 1920-2-16 4681 Riverside Palm Canyon, near below Palm Springs Comment
  CLARK-A1528-5660  Nemophila menziesii John C. Roos 1952-2-29 5361 Riverside Reche Canyon 457 Comment
  UC63798  Nemophila menziesii H. M. Hall 1897-3-20 406 Riverside Temescal Mts. 457 Comment
  UC643397  Nemophila menziesii I. W. Clokey, B. C. Templeton 1930-4-9 4666 Riverside n Banning; n of Banning Comment
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Dec 11 2016
  UCR241479  Nemophila menziesii Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1006 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  UCR51025  Nemophila menziesii S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR91858  Nemophila menziesii A. C. Sanders, S. Hawkins 1996-4-24 18073 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  RSA262102  Nemophila menziesii var. integrifolia E. W. Lathrop 1971-3-24 7481 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA717582  Nemophila menziesii var. menziesii A. C. Sanders 2004-4-9 27462 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  RSA770860  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4928 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  HSC20472  Neogaerrhinum filipes C. L. Hitchcock, C. V. Muhlick 1964-3-22 23267 Riverside Pinto Basin; Joshua Tree National Monument Comment
  UC456215  Nicotiana attenuata I. J. Condit 1910-6-24 Riverside Strawberry Valley; San Jacinto Mts. 1524 Comment
  RSA180347  Nicotiana bigelovii var. wallacei E. W. Lathrop 1965-5-7 5712 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  RSA426681  Nicotiana bigelovii var. wallacei H. Twining 1890-05 s.n. Riverside Foothills [Riverside] Comment
  CHSC8439  Nicotiana clevelandii Edward L. Smith 1958-3-21 392 Riverside Little Santa Maria Mts. 6 mi s of Rice, near Priest's Well. 365 Comment
  UC68732  Nicotiana clevelandii H. M. Hall 1905-4-29 5967 Riverside McCoy Wash; Colorado Desert 91 Comment
  OBI35917  Nicotiana glauca J & B Semple, B Semple 1981-8-12 5588 Riverside W of Lake Elsinore Comment
  RSA776347  Nicotiana obtusifolia Duncan S. Bell 2010-3-20 621 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SBBG81509  Nicotiana obtusifolia S. A. Junak 1983-3-23 1629 Riverside E side of Jefferson Rd opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  UCD126754  Nicotiana obtusifolia H. S. Yates 1936-4-7 5448 Riverside 8 miles north of Mecca. 457 Comment
  UCR13737  Nicotiana obtusifolia N. R. Zabriskie, W. W. Zabriskie 1972-3-27 474 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon area, E slope of San Jacinto Mtns. 427 Comment
  UCSB41768  Nicotiana obtusifolia Sense, Nancy 1976-4-13 Riverside Shaver's Wells, Box Canyon, Box Canyon Road from I-10 to Mecca Comment
  CAS-BOT-BC71160  Notholaena californica P. A. Munz; I. M. Johnston 1922-5-21 5551 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  POM18179  Notholaena californica subsp. californica P. A. Munz 1923-3-10 6584 Riverside San Jacinto River, 4 mi from Elsinore. Comment
  UCR240762  Notholaena californica subsp. californica A. C. Sanders, John F. Green 2012-3-21 39980 Riverside Peninsular Range; Gavilan Hills, Good Hope area, under powerlines south of dirt extension of Ethanac Rd. and north of Richard St., between Hwy 74 & San Jacinto River, 3.7 mi. SW (216 deg. ) of central Perris 475 Comment
  RSA314458  Notholaena californica subsp. leucophylla R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55467 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  POM12792  Oenothera californica subsp. californica P. A. Munz 1922-6-23 5782 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  RSA338178  Oenothera californica subsp. californica Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53586 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  CHSC13600  Oenothera cespitosa subsp. marginata C. Steen 1974-4-9 29 Riverside Found ca. 50 yds. off Date Palm Drive, ca. 2 mi from junction with Hwy. 111. Comment
  RSA0004528  Oenothera decorticans var. condensata P. A. Munz 1926-1-31 9960 Riverside Dos Palmos Spring, Colorado Desert Comment
  LA206154  Oenothera deltoides A. M. Johnson; 1932-3-20 3903 Riverside Indian Wells, below Palm Springs Comment
  UCR134599  Oenothera deltoides Marisa Sripracha, Kyle Boyd 2004-2-14 015 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UC1234605  Oenothera deltoides subsp. deltoides David P. Gregory 1960-3-20 360 Riverside across r.r. from Thousand Palms Comment
  UC1007107  Oenothera elata subsp. hirsutissima P. A. Munz 1934-9-30 13238 Riverside foot of Mt. Roubidoux Riverside Comment
  POM265814  Oenothera laciniata J. C. Roos 1936-5-15 2259 Riverside La Sierra, western Riverside Co. Comment
  SD240895  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2011-4-29 39356 Riverside Peninsular Tange: Perris-Aguanga Basin Region; Romoland, McLauglin Road east of Palomar Road near powerplant and railroad (Romoland 7.5'Q) 445 Comment
  UCR154611  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Perris Basin, San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course 439 Comment
  UCR280602  Oncosiphon piluliferum R. E. Riefner Jr. 2016-4-24 17- 199 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  SD161068  Opuntia X vaseyi Scott D. White 1999-5-20 7373 Riverside Perris Basin: Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca 1I(c)-2 miles west of I-215 freeway. USGS Romoland 7.5' quad. (IPB 9/07) 440 Comment
  SEINET8674695  Opuntia X vaseyi Rosemary Trelease, Nancy Foisy, Joni Ward 2004-4-27 54525 Riverside Originally received into the Desert Botanical Garden living collection as a plant collected by Bruce Parfitt 3503 19 April 1986 with R. Anthony and A. Sanders from California, Riverside County, Pauba Valley, Highway 79 crossing of Temecula River (or Creek), 4.6 miles east of junction with road to Pala in the vicinity of the given coordinates as determined by Google Earth; collector's notes: Spiny and spineless pads on same plant; sage scrub hillside E of creek and S of highway. 1000 Comment
  SEINET848197  Opuntia acanthocarpa C. B. Wolf, P. C. Everett 1939-1 3349 Riverside San Jacinto Range, Deep Canyon on Palms-Pines road, 2 miles below pinyon flat F.S. Camp; 1066 Comment
  UCR282055  Opuntia basilaris Nathan Moorhatch, Michael D. Wilcox 2017-9-5 s.n. Riverside Riverside, Canyon Crest area, Box Springs Canyon just above flood control basin, north of Central Ave and east of Canyon Crest Dr. 346 Comment
  CAS-BOT-BC58053  Opuntia basilaris var. basilaris E. K. Balls 1954-4-22 19053 Riverside Field redacted by CAS, contact the data manager for more information 914 Comment
  RSA4029  Opuntia basilaris var. basilaris C. B. Wolf 1931-10-14 2456 Riverside Snow Creek 3/4 miles below the Fish Hatchery, N base of San Jacinto Mountains. 427 Comment
  POM274017  Opuntia parryi Lyman Benson 1933-3-31 4148 Riverside US 66 [actually US 60], 10 mi E of Banning. 457 Comment
  POM288145A  Opuntia phaeacantha David Griffiths 1909-5-10 9675 Riverside Banning. Comment
  SEINET3085689  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17370 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km southwest of Idyllwild. 1445 Comment
  CAS-BOT-BC56227  Opuntia polyacantha var. erinacea Edmund C. Jaeger 1925-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR154537  Orcuttia californica Jason L. Hlebakos 2005-5-18 712 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  UCR75963  Orcuttia californica D. E. Bramlet 1992-4-29 2253 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  SEINET4080621  Orcuttia californica L. M. Boykin, P. M. Hall 2001-1 Riverside Comment
  SD132921  Orcuttia californica var. californica Tim Cass 1979-6-1 206 Riverside Mesa de Colorado, Pool C Comment
  RSA516904  Orobanche cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1427 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA0066537  Orobanche cooperi subsp. cooperi Louis Cutter Wheeler 1952-4-5 6851 Riverside Mecca Hills: mouth of Painted Canyon. Comment
  RSA0102398  Orobanche cooperi subsp. cooperi John Roos, Lucille Roos. 1949-3-26 4125 Riverside 2 or 3 miles east of Mecca. Comment
  RSA586725  Orobanche fasciculata D. L. Banks, S. D. Boyd 1995-5-17 447 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  SDSU581  Orobanche fasciculata H. Wedberg, T. Bruhns 1965-5-23 Riverside On the road from Hemet to Mountain Center and Idyllwild, about 1/4 mi. above the 4000 elev. sign at edge of parking area. 1219 Comment
  UCR232760  Orobanche parishii W. P. Armstrong, Tom Chester, D. Stith 2008-8-18 1348 Riverside Peninsular Range; San Jacinto Mtns., lower end of Tamarack Valley 2823 Comment
  CLARK-A1528-7774  Orthocarpus purpurascens John C. Roos 1940-4-20 896 Riverside Reche Canyon Comment
  RSA0080081  Oryzopsis hymenoides A. R. Roos 1937-4-18 s.n. Riverside Snow Creek. Comment
  UCR241218  Osmorhiza brachypoda Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 245 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  SD116585  Oxytheca emarginata Barbara Ertter, Jeffrey Strachan 1980-5-21 3480 Riverside Santa Rosa Mt Road (Forest Road 7S02) 4.5 miles south of Highway 74 (Pines to Palms Highway), 1829 Comment
  UCR108881  Oxytheca trilobata Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR63617  Oxytheca trilobata Chet McGaugh 1990-8-8 s.n. Riverside SW Durasno Valley, south of town of Anza 1372 Comment
  RSA434257  Paeonia californica M. V. Hood 1945-3-28 s.n. Riverside Summit Hwy 79 looking down to Hemet. 762 Comment
  SEINET2053886 Image available Palafoxia arida B. Pitzer 1998-1-24 3402 Riverside N foot of Chuckwalla Mts., Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline road and wash directly S of road. 499 Comment
  SEINET6630282 Image available Palafoxia arida Bonnie C. Templeton, I. W. Clokey 1006 Riverside N of Palm Springs 400 Comment
  UCD134905  Palafoxia arida Shirley C. Tucker 1957-3-10 3956 Riverside desert 4 miles north of Needles. Comment
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Mar 23 2014
  UC1523588  Palafoxia arida var. arida Robert F. Thorne, C. W. Tilforth 1980-5-28 54160 Riverside San Bernardino Mountains, Colorado Desert, S end of N-S rocky ridge at E side of Whitewater River at mouth of canyon, 1/4-1/2 mi E of Whitewater Post Office Comment
  UC604859  Palafoxia arida var. arida Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9524 Riverside Pinto Basin 16 mi from Cottonwood Springs Comment
  UCSB6656  Palafoxia arida var. arida Haller, John 1960-4-2 Riverside South side of U.S. highway 60-70, 5.8 miles east of Desert Center 243 Comment
  RSA92216  Palafoxia arida var. arida F. W. Peirson 1924-12-30 5426 Riverside Thousand Palms Canyon, Coachella Valley. 122 Comment
  RSA800235  Panicum Justin M. Wood 2010-6-17 2046 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  RSA674758  Panicum acuminatum var. acuminatum Scott D. White, Teresa Salvato 2001-6-8 8573 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA0020044  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6018 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA263663  Papaver californicum E. W. Lathrop 1969-5-8 7017 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR37456  Papaver californicum Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  UCR101559  Parietaria hespera var. californica A. C. Sanders 1997-3-19 20052 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  SBBG3284  Parkinsonia florida H. and M. Dearing 1941-4-9 4627 Riverside near Mecca Comment
  SEINET2060863 Image available Parkinsonia florida John N. Bullock 1948-4-27 P- 19 Riverside 100 m SE of Californnia Hwy 195, 8.9 meters E of the All American Canal, Mortmar 7 1/2' Quad. 292 Comment
  UCR111981  Parkinsonia florida A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23368 Riverside Coachella Valley, east side of Coachella Canal between I-10 and Ave. 52, east of Coachella 24 Comment
  RSA339231  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53597 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  UCR34953  Pectis papposa L. B. Ziegler 1964-9-2 035 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  UCR108729  Pectocarya heterocarpa Scott D. White, Sandy Leatherman 1998-4-15 6293 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  UCR174944  Pectocarya linearis Jennifer H. Jones, Toby Bartels 2006-4-23 280 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR84835  Pectocarya linearis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16202 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  SDSU14016  Pectocarya linearis subsp. ferocula Michael G. Simpson, Adrienne Russell 2000-4-29 2076 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  CLARK-A1045-139  Pectocarya platycarpa George K. Helmkamp 1978-4-1 Riverside Deep Canyon rocky flat by University of California Reserve System Boyd research station; Palm Desert 15'Q Comment
  RSA726537  Pectocarya platycarpa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1429 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA800113  Pectocarya platycarpa Duncan S. Bell 2013-4-7 4760 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  SBBG6314  Pectocarya platycarpa H. and M. Dearing 1942-1-17 4786 Riverside Cathedral City Comment
  SEINET10456238  Pectocarya platycarpa David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3723 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA777854  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 844 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UCR85147  Pectocarya recurvata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16080 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  CLARK-A1528-4287  Pedicularis densiflora John C. Roos 1966-4-23 Riverside Santa Ana Mountains Comment
  RSA401953A  Pedicularis densiflora E. Crow 1929-4-7 304 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  UCR213477  Pellaea andromedifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37839 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  RSA33304  Pellaea mucronata var. mucronata Norman C. Cooper 1944-3-24 1032 Riverside Banning; 701 Comment
  RSA524223  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4017 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR261213  Pennisetum setaceum A. C. Sanders, Katie Young, John Hale 2015-4-22 41601 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UCR76180  Pennisetum setaceum Scott Holbrook 1993-4-28 s.n. Riverside San Jacinto Mtns., Chino Canyon 610 Comment
  RSA97018  Penstemon clevelandii subsp. connatus R. M. Straw 1953-6-4 436 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  UC1238933  Penstemon clevelandii var. connatus Freed W. Hoffman 1950-4-25 3487 Riverside El Toro Mountain 1.2 mi from Pines-to-Palms Highway; El Toro Mountain 1.2 mi fr Pines-to-Palms Highway Comment
  NY601201  Penstemon clevelandii var. mohavensis A. M. Alexander 1940-3-21 887 Riverside Barker Dam, 20 miles south of Twenty Nine Palms 1322.8 Comment
  POM4523  Penstemon labrosus H. M. Hall 1901-07 2506 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  UC103029  Penstemon labrosus A. W. Anthony 1895-7-12 Riverside San Jacinto Mts. 2590 Comment
  CAS-BOT-BC245644  Penstemon pseudospectabilis Edmund C. Jaeger 1940-11-12 s.n. Riverside McKinley Spring, north side of Chuckawalla Mts. 853 Comment
  CLARK-A1528-4315  Penstemon pseudospectabilis John C. Roos 1949-4-10 4227 Riverside Chuckwalla Mountains Comment
  SEINET2043265 Image available Penstemon pseudospectabilis Howard Scott Gentry 1957-4-20 7635 Riverside Gentry Farm: 3miles NE of Murrieta. 396 Comment
  UC27402  Penstemon rostriflorus H. M. Hall July, 1901 2333 Riverside vicinity Deer Springs (San Jacinto Mountains); , vicinity of Deer Springs 2438 Comment
  RSA401808  Penstemon spectabilis N. C. Cooper 1949-6-29 4308 Riverside West of Pinyon Flat, San Jacinto Mountains 1524 Comment
  RSA653390  Penstemon spectabilis Mitch Provance 1998-6-11 682 Riverside Jurupa Mountains: 'Twin Canyons', S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  RSA733711  Penstemon spectabilis Jeanne Payton 1934-4-16 s.n. Riverside Hagador Canyon. Comment
  SD119891  Penstemon spectabilis var. spectabilis Louis B. Ziegler 1972-5-9 453 Riverside San Jacinto Valley, open field 472 Comment
  NY662591  Penstemon thurberi E. C. Jaeger 1931-10-25 s.n. Riverside Two miles north of Lost Horse Mine, cross-roads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
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May 29 2011
  CAS-BOT-BC330348  Pentachaeta aurea H. M. Hall 1901-6-1 2057 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  UC1531133  Pentachaeta aurea Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 52000 Riverside Mesa de Colorado Santa Rosa Plateau (vernal pools and marshes) 609 Comment
  UC669246  Pentagramma maxonii Annie M. Alexander and Louise Kellogg 1941-2-28 1876 Riverside Andreas Canyon; San Jacinto Mts 335 Comment
  SEINET3154048  Pentagramma triangularis subsp. maxonii S. B. Parish 1907-4-18 6114 Riverside Western base of the Colorado Desert 200 Comment
  SDSU1431  Peritoma arborea Marjorie Collier 1951-3-25 M 209 Riverside Palm Canyon 5 miles south of Palm Springs. Comment
  CAS-BOT-BC355977  Perityle emoryi Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11214 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at Comment
  RSA650938  Perityle emoryi David B. Dunn 1947-7-12 2981 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
  RSA735242  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11214 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SBBG100847  Perityle emoryi W. L. Halvorson 1977-2-5 77 -10 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SEINET2054110 Image available Perityle emoryi G. Helmkamp, E. Helmkamp 1998-1-17 2539 Riverside Box Canyon Road ENE of Mecca and on theNorth side of Coachella Canal. 0 Comment
  SEINET10908390  Perityle emoryi David B. Dunn 1946-3-15 Dunn 2046 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  SEINET11809878  Perityle emoryi J. F. Bright, Wyman, C. 1933-1 8076 Riverside near Palm Springs Comment
  RSA445146B  Petalonyx linearis Anstruther Davidson 1921-4-21 s.n. Riverside Thousand Palm Canyon. Comment
  RSA0065563  Petalonyx linearis Peter Gail 1961-5-6 s.n. Riverside Palms to Pines Highway. Comment
  POM13423  Petunia parviflora Philip A. Munz, I. M. Johnston 1922-5-5 5156 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  UCR119812  Petunia parviflora A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23062 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  UCR260131  Petunia parviflora A. C. Sanders 2015-2-19 41249 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  CAS-BOT-BC326728  Peucephyllum schottii L. A. Greata 1905-4-1 416 Riverside Coachella Comment
  CAS-BOT-BC326834  Peucephyllum schottii Frank W. Peirson 1919-4-13 4737 Riverside 1st canyon east of Palm Canyon, Colorado Desert Comment
  RSA736783  Phacelia brachyloba Scott D. White, Angelia Carey 2004-7-2 10554 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD216487  Phacelia brachyloba Jay B. Walker 1995-5-4 1416 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  RSA296753  Phacelia campanularia Lyman Benson 1945-3-29 11626 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  RSA0124817  Phacelia campanularia subsp. campanularia Duncan S. Bell, LeRoy Gross 2016-3-9 8855 Riverside Orocopia Mountains; northern section of range, approximately 0.5 air mile south of Chiriaco Summit. 546 Comment
  UC702057  Phacelia campanularia subsp. campanularia Harlan Lewis 1946-4-21 Riverside side canyon about 3 1/2 mi n Hiway 99; Whitewater Canyon Comment
  CLARK-A1045-183  Phacelia cicutaria subsp. hispida George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR113167  Phacelia cicutaria var. hispida A. C. Sanders 1998-3-11 21672 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR225598  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2011-3-29 38842 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR251941  Phacelia cicutaria var. hispida Harun Bektas 2011-4-26 01 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  CLARK-A1528-2998  Phacelia crenulata John C. Roos 1949-3-5 4090 Riverside Orocopia Mountains Comment
  RSA0014470  Phacelia crenulata var. ambigua Justin M. Wood, J. Miner 2010-4-29 1544 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  UCR72170  Phacelia crenulata var. ambigua Theo Glenn 1991-5-7 91- 96 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  RSA0094788  Phacelia crenulata var. minutiflora Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7936 Riverside San Gorgonio Pass area, between Cabazon and Whitewater, just south of Interstate 10, where the Pacific Crest Trail passes under the freeway. 397 Comment
  UCR89727  Phacelia crenulata var. minutiflora J. M. Stewart 1991-4-7 758 Riverside Sonoran (Colorado) Desert, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains Comment
  JOTR33951  Phacelia cryptantha La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2837 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  CLARK-A1656-681  Phacelia distans Milton Walker 1978-3-10 Riverside Joshua Tree National Park Comment
  JEPS2009  Phacelia distans W. L. Jepson 1939-4-17 19128 Riverside near Twin Sprs. (n end of canyon, sw Riverside Co.); Temescal Canyon Comment
  JOTR16722  Phacelia distans Moore, Sue 1968-5-6 5 /6/1968 Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA426223  Phacelia distans Ora M. Clark 1929-3-17 1697 Riverside Colorado Desert, south of Cabazon. Comment
  RSA428217  Phacelia distans Robert M. Perkins, H. de Forest 1938-4-18 432 Riverside 24 miles W of Indio. Comment
  RSA559958  Phacelia distans Steve Boyd, Orlando Mistretta 1992-4-23 7069 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UCR185110  Phacelia distans LeRoy Gross, L. Lubinsky, V. W. Steinmann, L. L. Worlow 2005-2-17 1419 Riverside Chocolatte-Chuckwalla Mountains, Colorado Desert; Corn Springs Campground in the Chuckwalla Mountains. Canyon SW of Campground 549 Comment
  UCR241637  Phacelia distans T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 349 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UC69330  Phacelia ivesiana var. pediculoides L. A. Greata April 1905 Riverside Coachella Comment
  RSA525286  Phacelia minor Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4599 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA654551  Phacelia minor Bruce Albert 1982-4-17 77 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  RSA715757  Phacelia minor A. C. Sanders 2005-4-22 29606 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR167818  Phacelia minor A. C. Sanders 2005-4-21 29578 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR176913  Phacelia minor Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR41359  Phacelia minor N. M. Fellows 1985-3-16 108 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  UCR50414  Phacelia minor D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  UC1228370  Phacelia mutabilis L. R. Heckard 1956-6-28 769 Riverside between Tahquitz Valley and Little Tahquitz Valley; San Jacinto Mountains 2316 Comment
  SD225003  Phacelia tanacetifolia G. K. Helmkamp 1998-2-5 2638 Riverside Palm Springs, 1.1 mi. W of CA Hwy 111 on Tramway Rd. 334 Comment
  UCR23998  Phalaris aquatica John C. Roos 1962-6-30 s.n. Riverside Santa Ana Mtns, Head of Tin Mine Canyon Comment
  RSA525330  Phalaris minor Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4461 Riverside Vail Lake area, Hwy R3 (Sage Rd) at jct. with Powerline Rd., N of Radec about 3 miles NE of Vail Lake Comment
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Feb 22 2013
  JEPS69926  Phlox austromontana W. L. Jepson 1907-5-25 1439 Riverside near Santa Rosa Peak (sw side in upper Coyote Canyon); Coyote Canyon 762 Comment
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Dec 12 2011
  RSA72000  Phlox austromontana E. C. Jaeger 1922-6-29 s.n. Riverside Lower Tahquitz Valley 2043 Comment
  CAS-BOT-BC540726  Pholistoma membranaceum Sarah J. De Groot; Cheryl Sevilla 2015-2-18 7363 Riverside North fork Mission Creek, SE San Bernardino Mountains, NW of Desert Hot Springs 780 Comment
  RSA459292  Pholistoma membranaceum E. Crow 1929-2-24 181 Riverside Andreas Canyon, S of Palm Springs, Colorado Desert. Comment
  RSA771693  Pholistoma membranaceum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4689 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65123 604 Comment
  JEPS42583  Phoradendron californicum W. L. Jepson 1928-4-25 12576 Riverside Colorado Desert, Eagle Mountains, Cottonwood Spring Cottonwood Spring; Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  LA209840  Phoradendron californicum A. M. Johnson; 1932-3-20 3905 Riverside Indian Wells, S of Palm Springs Comment
  POM311756  Phoradendron californicum Karen Hosterman 1958-3-28 1240 Riverside Canyon to W. of road leading to and app./ 0.5 mi. before turnoff to cottonwood springs. Comment
  POM48145  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Indian Wells. Comment
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Mar 12 2011
  RSA420774  Phoradendron californicum Robert Gustafson 1981-4-7 2152 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  UCR48559  Phoradendron californicum J. Glazner 1985-4-5 s.n. Riverside Sonoran (Colorado) Desert, Corn Springs. 5 mi. SSE of Desert Center 274 Comment
  JOTR31182  Phoradendron densum La Doux, Tasha, G. Clifton 2009-5-14 1979 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  UC1073269  Phoradendron densum George B. Rossbach 1955-4-22 233 Riverside between Juniper Flat and Stubby Spring; Little San Bernardino Mts. 1402 Comment
  UCR137563  Phoradendron densum A. C. Sanders 2004-5-5 27762 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR94061  Phoradendron densum Duayne Haselfeld 1996-7-2 4264 Riverside San Jacinto Mtns., Pinyon Flat Area, north of Hwy 74, c. 10 road miles east of jct. w/ Hwy 371. W facing slope of Sugerloaf Mtn. and adjacent valley 1400 Comment
  CAS-BOT-BC135182  Phoradendron juniperinum Edmund C. Jaeger 1922-6-13 s.n. Riverside E slope San Jacinto Mts. 1371 Comment
  CDA22382  Phoradendron macrophyllum R. L. McClain 1958-9-1 Riverside North end of Banning Heights. 0 Comment
  CSUSB308  Phoradendron tomentosum subsp. macrophyllum Holzmiller 1966-3-15 Riverside Mary Knoll Ranch near resevoir. 304 Comment
  POM12141  Phoradendron villosum Mary F. Spencer 1921-6-13 s.n. Riverside Idyllwild 1616 Comment
  UCR99862  Phoradendron villosum Scott D. White 1996-12-26 4646 Riverside San Jacinto Mtns, Bautista Canyon: along Bautista Canyon Rd, c. 2 or 3 air mi. NW of junction with Tripp Flats Rd. 1037 Comment
  UCR239828  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA457796  Physalis crassifolia Steve D. Boyd 1988-3-10 2202 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UC884717  Physalis crassifolia Lewis S. Rose 1936-12-26 36830 Riverside 22 mi e Indio (Indio-Blythe Road) 762 Comment
  RSA667128  Picris echioides A. C. Sanders 2000-11-15 23725 Riverside Moreno Valley, east side of Ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth 476 Comment
  UCR77756  Pilularia americana Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6348 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  UC156  Pinus coulteri H. M. Hall 1901-7-1 2642 Riverside in open pine forests in the vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  JEPS47911  Pinus flexilis W. L. Jepson 2308 Riverside Tauquitz Peak San Jacinto Mt. 2682 Comment
  RSA660230  Pinus monophylla Michelle Cleveland 1981-2-14 10 Riverside Turn left at sign for Bighorn overlook, 13 miles from junction of Hwys [1]11&74. 1200 Comment
  SD80146  Pinus monophylla Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 379 Riverside Santa Rosa Mountains, north slope, Deep Canyon, about 2 miles south of Highway #74 1310 Comment
  UCSB98  Pinus monophylla White, Arthur 1960-5-15 Riverside Pinyon Flat campground in desert, 10 mi. se. of road to Anza on Hwy 74 1219 Comment
  SD229031  Pinus quadrifolia Dick Schwenkmeyer 2012-3-26 657 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCSB147  Pinus quadrifolia Cline, C. 1960-5-15 Riverside 0.2 miles West of Hwy. 74 toward Anza 1066 Comment
  UCR31326  Piperia elongata A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3868 Riverside San Jacinto Mtns, Hwy 243 at the Poppet Flats Tuck Trail 1220 Comment
  SEINET13710210  Pityrogramma triangularis J. Adams, J. Adams (Botany) 1966-1 340 Riverside Azalea Canyon, Above Campground 6000 Ft 1829 Comment
  UCR97024  Pityrogramma triangularis var. triangularis Scott D. White 1997-2-28 4712 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  JEPS68030  Plagiobothrys canescens W. L. Jepson 1906-5-27 1474 Riverside Coahuilla Valley Comment
  RSA512132  Plagiobothrys canescens Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  RSA714658  Plagiobothrys canescens A. C. Sanders, Guy Bruyea 2004-4-2 27414 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtn., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR181347  Plagiobothrys canescens Mitch Provance, Tracy Tennant 2003-4-5 6529 Riverside San Bernardino Valley, Fontana, Martin Tudor Park, north side of the Jurupa Mountains, west of Sierra Blvd 360 Comment
  UCR48486  Plagiobothrys canescens Steve Boyd 1986-3-3 1376 Riverside Perris Basin, Good Hope Valley, c. 5 mi. west of Perris; DePrad Street, 0.5 mi. east of Cowie Avenue. 488 Comment
  SD232228  Plagiobothrys collinus Scott D. White, Michael Honer 2003-4-2 8902 Riverside Temescal Canyon: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UCR226050  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-4-1 38955 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  UC64418  Plagiobothrys collinus var. californicus H. M. Hall 1897-3-30 412 Riverside Winchester Comment
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Mar 20 2011
  UCR266777  Plagiobothrys collinus var. fulvescens Mitch Provance, Matt Amalong 2015-3-25 315- 23 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR138721  Plagiobothrys leptocladus Julie A. Greene 1993-4-17 1217 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  POM287591  Plagiobothrys tenellus Lyman Benson 1932-3-26 3175 Riverside Temecula Grade. Temecula Valley. 549 Comment
  RSA614092  Plagiobothrys tenellus D. L. Banks 1997-4-5 1695 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  RSA695840  Plagiobothrys tenellus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  RSA741116  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-6-18 12242 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR62381  Plagiobothrys tenellus A. C. Sanders, K. Berg, M. Skinner 1990-4-15 10019 Riverside c. 2 mi. NNE of Sage, Red Mountain Road, 0.25 mi. east of County Road R3 Comment
  PASA25  Plantago erecta 1926-2-21 Riverside Thousand Palms Comment
  UCR103183  Plantago erecta Scott D. White, Julie Greene 1997-3-12 4786 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR182518  Plantago erecta Mitch Provance 2005-5-17 6567 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  CLARK-A1528-697  Plantago major John C. Roos 1951-9-25 5274 Riverside Riverside 259 Comment
  UCD124522  Plantago major R. N. Raynor 1933-5-1 s.n. Riverside Eden Hot Springs. Comment
  UCR166016  Plantago ovata Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  POM46962  Plantago ovata var. fastigiata Mary F. Spencer 1920-3-22 1487 Riverside Palm Springs. 122 Comment
  POM68906  Plantago ovata var. fastigiata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA457801  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2198 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA659485  Plantago ovata var. fastigiata J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
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Dec 17 2011
  RSA678228  Plantago ovata var. fastigiata Valerie L. Soza, J. Mark Porter, G. D. Wallace 2001-4-2 1097 Riverside Mouth of West Wide Canyon, NNW of junction of Dillon Road and Ford Avenue. 396 Comment
  SBBG7270  Plantago ovata var. fastigiata H. and M. Dearing 1937-4-10 2896 Riverside 1000 Palms Cyn Comment
  RSA711031  Plantago patagonica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16240 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  SD219086  Platanus racemosa Robert Allen, Fred M. Roberts 2007-6-22 Riverside SE of Hemet, Cautista Canyon, ca. 4.0 road miles southeast of jct Bautista Canyon Road and Fairview Ave. 726 Comment
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Aug 11 2012
  UC527405  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside 1/2 mi below fish hatchery (n base of mt.); San Jacinto Mt., Snow Creek Canyon 548 Comment
  UC167977  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  CLARK-A1528-3416  Platystemon californicus var. crinitus John C. Roos 1942-5-2 1147 Riverside Joshua Tree National Park Comment
  RSA560375  Plectritis ciliosa subsp. insignis Steve D. Boyd 1992-4-14 6807 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  UCR80733  Plectritis ciliosa subsp. insignis Steve Boyd 1992-4-18 6907 Riverside Gavilan Hills, SE end of range, east of Arroyo del Toro 488 Comment
  CAS-BOT-BC326644  Pleurocoronis pluriseta Carl B. Wolf 1932-4-27 3045 Riverside 1 mile off Mecca - Blythe Road, lower end of Lost Palms Canyon at 1st rocky hills, Colorado Desert 243 Comment
  CAS-BOT-BC326649  Pleurocoronis pluriseta Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon 4 miles east of Palm Springs Comment
  POM6546  Pleurocoronis pluriseta P. A. Munz, L. T. Street, Williams 1919-3-25 2329 Riverside Palm Springs. Comment
  UCR114342  Pluchea odorata Mitch Provance, S. D. Boyd 1999-9-14 1786 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  CAS-BOT-BC326533  Pluchea sericea Roxana S. Ferris 1918-6-19 1007 Riverside Colorado River bottoms at Blythe Comment
  POM14167  Pluchea sericea P. A. Munz 1922-4-9 4912 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA0123109  Pluchea sericea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9016 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 653 Comment
  RSA786234  Pluchea sericea C. P. Cowan 1978-4-24 1246 Riverside 2.5 mi (4 km) from Ave 84, jct of Johnson Road and Ave. 81, near Hwy 86. Whittaker transect #W-223. Comment
  RSA234056  Poa infirma R. F. Thorne, E. W. Lathrop 1969-5-12 37948 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  UCD91842  Poa pratensis Alan A. Beetle 1946-6-10 4346 Riverside Mt. San Jacinto. At top of Tahquitz Valley. 2438 Comment
  RSA801939  Poa pratensis subsp. pratensis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6180 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  SD146083  Poa pratensis subsp. pratensis G. K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Riverside Northern Sierra Nevada Range; N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  RSA770686  Poa secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4790 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC167526  Polygala acanthoclada Annie M. Alexander; Louise Kellogg 1941-5-9 2139 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains 975 Comment
  RSA664940  Polygala cornuta var. fishiae J. C. Roos 1960-5-30 s.n. Riverside Ridge east of Sugarloaf Pk. 1067 Comment
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Sep 15 2008
  CAS-BOT-BC413939  Polygonum aviculare subsp. aviculare Peter Kamb 1948-2-1 763 a Riverside Valley in the Jurupa Mts west of Colton, San Bernardino/Riverside County 304 Comment
  POM319089  Polygonum aviculare subsp. aviculare Patricia Wilder 1971-5-13 4949 Riverside Prado Flood control Basin; along bank at east end of top of Prado Dam. 213 Comment
  UCR59782  Polygonum lapathifolium Jeri Hirshberg 1989-7-18 s.n. Riverside Lake Skinner: stock pond below treatment plant and dam 427 Comment
  RSA0125373  Polypogon interruptus Duncan S. Bell 2016-10-27 10207 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA735194  Polypogon interruptus Scott D. White, Angelia Carey 2004-6-4 10470 Riverside San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA588606  Polypogon maritimus D. L. Banks, Steve Boyd 1995-10-17 0816 B Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  RSA588816  Polypogon monspeliensis D. L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  IRVC168  Polystichum imbricans subsp. curtum Tony Price 1965-4-24 HS 555 Riverside Highway 74; 1.5 miles W of Dripping Springs Gaurd Station. Comment
  UC729967  Populus Carl B. Wolf 1932-5-25 3661 Riverside mouth of East Fork of Snow Creek Canyon; No. Base of San Jacinto Mts., mouth E Fork Snow Cr Cyn 670 Comment
  CAS-BOT-BC102591  Populus fremontii L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  UC4919  Populus fremontii subsp. fremontii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  RSA525440  Porophyllum gracile Steve Boyd, David E. Bramlet 1990-4-29 4485 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UCR280994  Porophyllum gracile Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 56 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  POM12094  Potentilla gracilis var. elmeri Mary F. Spencer 1921-6-10 1860 Riverside Idyllwild. 1616 Comment
  RSA784141  Potentilla gracilis var. elmeri J. D. Olmsted 1959-6-23 668 Riverside Saunder's Meadow - near Idyllwild. M. Fk. San Jacinto. 1646 Comment
  UC860692  Potentilla gracilis var. fastigiata P. A. Munz 1922-7-6 5986 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  SEINET3269556 Image available Prosopis glandulosa var. torreyana M. F. Wojciechowski 2000-4-5 875 Riverside Ca. 5 mi north of Blythe along US 95. Comment
  SD247497  Prunus fasciculata A. C. Sanders, Jim Malusa 2015-3-9 41366 Riverside Sonoran (Colorado) Desert:Chocolate Mountains, along Gasline Road atmajor wash crossing 1.9 miles south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Cloud Canyon 7.5'Q) 205 Comment
  UCR85273  Prunus fasciculata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  CAS-BOT-BC158294  Prunus fasciculata var. fasciculata Peter H. Raven 1958-5-5 12889 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  CLARK-A1528-3071  Prunus ilicifolia K. R. Montgomery 1969-9-9 Riverside Reed Valley Comment
  SEINET3077276 Image available Prunus ilicifolia H. S. Gentry 1954-7-25 14244 Riverside NW of Aguanga along road to Sage. Comment
  UCR101454  Prunus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22219 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR418  Prunus ilicifolia Carol Chaney 1960-5-7 s.n. Riverside San Timoteo Canyon, 3.2 mi. from Hwy 60, 30 yards to the right of the road 701 Comment
  RSA454189  Prunus virginiana var. demissa Robert L. Rutherford 1945-5-24 1656 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR140659  Prunus virginiana var. demissa Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 88 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  UCD135004  Psathyrotes ramosissima Geoffrey Levin 1976-10-17 1174 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills mountain range. 91 Comment
  SEINET10842589  Psathyrotes ramosissima David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2889 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  RSA783244  Pseudotsuga macrocarpa J. D. Olmsted 1962-5-3 3472 Riverside East slope of Baldy Mt., along pines to Palms Hwy., 1.5 mi S of 4936' summit south of Mt. Center 1505 Comment
  POM212613  Psilocarphus brevissimus P. A. Munz 1941-5-18 16648 Riverside About 15 miles northeast of Temecula. Comment
  UCR280721  Psilocarphus brevissimus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 22 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UCR281256  Psilocarphus brevissimus Mitch Provance, Jeremiah George 2017-3-23 317- 66 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  UCR22137  Psilocarphus brevissimus var. brevissimus Steve Boyd 1980-5-17 286 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR89227  Psilocarphus brevissimus var. brevissimus Scott D. White 1995-9-22 3677 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  SEINET7063441  Psilocarphus brevissimus var. multiflorus A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  SD247348  Psilostrophe cooperi A. C. Sanders 2015-9-11 41868 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline rd. Large wash. 646 Comment
  SBBG68078  Psorothamnus arborescens Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  CAS-BOT-BC354258  Psorothamnus arborescens var. minutifolius F. Almeda 1976-6-5 2822 Riverside 4-5 mi. N of Interstate Hwy #10 off Whitewater Canyon Comment
  CAS-BOT-BC353591  Psorothamnus arborescens var. simplicifolius Peter H. Raven 1962-4-7 17115 Riverside Whitewater Wash, 1.5 miles north of U.S. Highway 70 - 99 Comment
  UCR241192  Psorothamnus arborescens var. simplicifolius T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 374 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  JEPS41699  Psorothamnus emoryi Marjorie D. Clary 1932-4-29 Riverside West side, Colorado Desert Comment
  UCR237516  Psorothamnus emoryi Amber Swanson 2011-4-8 371 Riverside Southcentral Mojave Desert, Granite Mountains area east of Hwy 177 near junction 62 423 Comment
  CAS-BOT-BC340869  Psorothamnus schottii Margaret Stason 1927-3-12 s.n. Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC340915  Psorothamnus schottii C. L. Hitchcock 1940-3-29 5849 Riverside Ca. 12 mi. east of Indio Comment
  RSA4940  Psorothamnus schottii Carl B. Wolf 1932-4-27 3057 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA264433  Psorothamnus spinosus C. W. Tilforth, Jeff Barnes 1976-7-21 1219 Riverside Along Hwy 195 in large sandy wash, 15 miles NE of Mecca Comment
  SDSU5214  Psorothamnus spinosus Joan Godsil 1953-1-18 555 Riverside Joshua Natioanl Monument, 29 Palms To Cottonwood Highway. 625 Comment
  RSA171395  Pterostegia drymarioides J. D. Olmsted 1962-5-2 3466 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  RSA495414  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2943 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA612950  Pterostegia drymarioides D. L. Banks 1997-3-29 1619 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SBBG35162  Pterostegia drymarioides T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  UCR165393  Pterostegia drymarioides A. C. Sanders 2005-4-21 29570 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  CAS-BOT-BC466112  Pyrola picta Edmund C. Jaeger 1921-7-13 91 Riverside Stone Creek, San Jacinto Mts. 1706 Comment
  UCD73479  Quercus agrifolia K. R. Montgomery 1969-8-7 69- 27 Riverside Wilson Valley, 18 miles south of Hemet. 1066 Comment
  RSA78297A  Quercus agrifolia var. agrifolia P. A. Munz, E. K. Balls 1952-8-21 17994 -A Riverside on dry granitic flat, Southern Oak Woodland, 1 mi. w. of Popppet Flat, Banning-Idyllwild Rd. 1220 Comment
  UCR106880  Quercus berberidifolia Richard Minnich 1997-11-9 s.n. Riverside Box Springs Mountains, N-facing slope in canyon south of Two Trees Canyon & ESE of end of Blaine Street 457 Comment
  UCR182371  Quercus berberidifolia Andrea Salzman 2006-4-20 78 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, near Elsinore Peak off Main Divide Road 1006 Comment
  UCR260589  Quercus berberidifolia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41558 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  LA46443  Quercus chrysolepis Carl Epling; 1931-10-4 sn Riverside San Jacinto Mountains, Idyllwild 1371 Comment
  RSA748232  Quercus chrysolepis T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 131 Riverside San Bernardino National Forest. 14.5 mile S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  UC519764  Quercus chrysolepis C. Epling 1931-10-4 Riverside Idyllwild 1371 Comment
  RSA503822  Quercus cornelius-mulleri N. C. Cooper 1949-6-29 4296 Riverside Below Pinon Flats, San Jacinto Mt. 1067 Comment
  UC337431  Quercus dumosa J. C. Nevin Riverside Temecula Comment
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Mar 27 2011
  RSA192357  Quercus engelmannii E. W. Lathrop 1965-5-18 5757 Riverside 8 miles W of Murrieta. 610 Comment
  UCR189773  Quercus engelmannii Theresa Johnson 2006-10-10 289 Riverside Peninsular Ranges, Perris-Aguanga Basin, San Jacinto Wildlife Area, Potrero unit south side. 1.7 mi east of Lamb Canyon road. In steep ravine near air strip 630 Comment
  UCR60981  Quercus engelmannii B. G. Pitzer 1988-6-8 1044 Riverside Rancho California area, avocado groves south of Avenida del Oro, just Calle Capistrano Comment
  UCD14090  Quercus john-tuckeri Stephen K. Langer 1995-4-9 s.n. Riverside California, Kern Co.; Lockwood Valley Road, 3.6 mi. from junction with Frazier Mountain Road; Comment
Read comments
Aug 25 2013
  SEINET13953550 Image available Quercus kelloggii Carl B. Wolf 1932-1 3992 Riverside San Jacinto Mts. Strawberry Valley, base of Devil's Slide Trail to Tahquitz Valley 1707 Comment
  UCR111513  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22279 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  CAS-BOT-BC104994  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  CAS-BOT-BC104999  Quercus wislizeni John Thomas Howell 1927-8-2 2938 Riverside Rocky Canon [canyon] -side in shade, near top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  OBI14208  Quercus wislizeni var. wislizeni Louis C. Wheeler 1931-10-4 244 Riverside 2 mi N Idyllwild, San Jacinto Mts 1798 Comment
  RSA736537  Rafinesquia californica Scott D. White 2004-4-26 10266 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  CAS-BOT-BC362620  Rafinesquia neomexicana L. R. Abrams 1926-3-26 11101 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  CAS-BOT-BC537216  Rafinesquia neomexicana Cheryl Sevilla; Sarah J. De Groot 2015-2-18 14 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the E of Mission Creek, 0.4 mi NW of the Stone House 783 Comment
  RSA717621  Rafinesquia neomexicana Scott D. White, Andrea Warniment Edwards 2006-3-29 11274 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UCR116603  Rafinesquia neomexicana A. C. Sanders 2001-3-20 23842 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  CAS-BOT-BC379419  Ranunculus alismifolius var. alismellus H. M. Hall 1901-7-1 2405 Riverside San Jacinto Mountains, in meadows or along creeks of Tamarack Valley 2804 Comment
  RSA740940  Ranunculus aquatilis Scott D. White, Justin M. Wood 2008-7-9 12442 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UC827610  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 mi nw Corona (in small branch of creek); Chino Creek 228 Comment
  UC9432  Ranunculus eschscholtzii var. oxynotus H. M. Hall July, 1901 2414 Riverside San Jacinto Mountains; near the summit 3291 Comment
  SD152770  Ranunculus hebecarpus Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6759 Riverside Santa Ana Mountains, San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/Morgan Tr. S to Pigeon Spring area 671 Comment
  UC56738  Raphanus sativus H. M. Hall April 1902 2989 Riverside vicinity of Riverside; Southern California 457 Comment
  RSA0085044  Raphanus sativus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 7 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  UCR96096  Ratibida columnaris Kathleen Stockwell 1996-6-5 s.n. Riverside Peninsular Range, Warm Springs Creek, near Murrieta, just SE of Temecula Hot Springs, 1/2 km downstream from Murrieta Hot Springs Road 328 Comment
  SEINET1004353  Rhamnaceae A. C. Sanders, Mike Misenhelter 2004-1 28836 Riverside Santa Ana Mtns./Santa Rosa Plateau: hill 2139 at west end of the Mesa de Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve(Wildormar 7.5' Q) 640 Comment
  POM246569  Rhamnus crocea B. D. Stark 1933-2-19 4530 Riverside 2.5 mi. East of Nuevo. 762 Comment
  RSA1791  Rhamnus ilicifolia Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
  RSA289811  Rhamnus ilicifolia Barry A. Prigge 1980-8-12 3931 Riverside Whitewater Canyon: 1.4 miles upstream from trout farm. 793 Comment
  SDSU10377  Rhamnus ilicifolia H. Wedberg 1962-4-20 901 Riverside 8.4 miles from Hwy 79 in Hemet, and 0.5 mile from Cranston Ranger Station on road to Idyllwild. 610 Comment
  CLARK-A1528-1412  Rhus integrifolia John C. Roos 1944-1-29 2766 Riverside Box Springs Mountains 774 Comment
  RSA756344  Rhus lancea O. F. Clarke 2009-5-11 s.n. Riverside Riverside, UCR Campus, NW corner of upper reservoir 358 Comment
  CAS-BOT-BC167965  Rhus ovata H. S. Gentry 1954-7-25 14245 Riverside NW. of Aguanga along road to Sage Comment
  UCR243158  Rhus ovata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4293 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  SD70930  Rhus trilobata var. pilosissima Helen V. Witham 1969-7-2 185 Riverside De Luz Creek crossing, 4 miles north of De Luz 249 Comment
  UC1127367  Ribes amarum A. Lewis Mar 1934 351 Riverside Sugarloaf Peak Cleveland <National Forest>, Corona Quadrangle Comment
  UC11511  Ribes cereum H. M. Hall July, 1901 2411 Riverside near summit San Jacinto Mountains 3291 Comment
  UC858444  Ribes cereum P. A. Munz 1922-6-28 5878 Riverside ridge w Toro Peak; Santa Rosa Mts. 2407 Comment
  OBI52765  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Eastern foothills of the Santa Ana Mtns ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adj 80 acre property to the NW; N of Cherry St, W of Adams Ave., S of Meadowlark Ridge Ln and Elm St 366 Comment
  RSA604868  Ribes indecorum Scott D. White 1995-12-24 3800 Riverside Lakeview Mts. About 7 road miles SE of Davis Rd./Ramona Expwy. intersection. 671 Comment
  UCR104591  Ribes indecorum G. F. Pratt 1998-1-7 s.n. Riverside Jurupa Mtns., Jurupa Mt., on San Bernardino/Riverside county line, ENE of N terminus of Pyrite Rd, north of community of Sunnyslope 662 Comment
  CLARK-A1528-1297  Ribes malvaceum Michelle Loef 1943-3-20 120573-2 Riverside San Jacinto Mountains|Fuller Mill Creek 1828 Comment
  SBBG35084  Ribes malvaceum T. L. Secrest 1951-5-19 Riverside Idyllwild Rd 1219 Comment
  RSA3114  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2643 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  LA46160  Romneya coulteri W. Pequegnat; May 1927 sn Riverside Santa Ana Mountains, Glen Ivy Trail Comment
  UCR228820  Romneya coulteri A. C. Sanders 2011-4-26 39319 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon between Glen Eden and Horsethief Canyon 412 Comment
  UCR59924  Romneya coulteri Ed LaRue 1989-4-26 s.n. Riverside Lake Elsinore, 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  SD132413  Romneya coulteri var. coulteri Narca A. Moore-Craig 1984-4-21 Riverside Santa Ana Mtns. Temescal Canyon at boundary of Cleveland Natl. Forest and Glen. 427 Comment
  UCR1084  Rorippa nasturtium-aquaticum J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mtns., stream running into Hemet Lake 1326 Comment
  POM122702  Rosa californica Marcus E. Jones 1926-6-20 s.n. Riverside Near Idyllwild Comment
  UC1608273  Rosa californica Steve Boyd and Dave Bramlet 1993-5-12 7323 Riverside along stream from confluence with Los Alamos Canyon to confluence with Tenaja Canyon; Southern Santa Ana Mountains, San Mateo Wilderness Area, San 365 Comment
  UCR241491  Rubus ursinus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 252 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  POM305373  Rumex crispus Henry J. Ramsey, Henry J. Ramsey 1938-3-26 645 Riverside Temecula. Comment
  UCR241057  Rumex maritimus John F. Green 2013-5-17 s.n. Riverside Peninsular Range, near intersection of Temescal Canyon Rd. and Campbell Ranch Rd. 329 Comment
  UCR157941  Sagina apetala T. B. Salvato, A. C. Sanders 2005-5-17 923 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA450476  Salazaria mexicana J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains: Dos Palmas Springs. Comment
  SEINET10389834  Salazaria mexicana A. C. Sanders, Jim Malusa 2015-9-10 41857 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CAS-BOT-BC103897  Salix exigua Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  POM360995  Salix exigua M. B. Dunkle 1935-3-31 4437 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  UC469391  Salix exigua F. R. Fosberg 1930-3-9 S 1550 Riverside almost on San Bernardino Co. line Mission Creek Canyon; Little San Bernardino Mts. 800 Comment
  SDSU12996  Salix exigua var. hindsiana Michael G. Simpson 1999-10-27 2026 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA601106  Salix gooddingii A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18103 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  RSA737440  Salix gooddingii Justin M. Wood 2008-8-31 116 Riverside [Perris Basin:] Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR128256  Salix gooddingii A. C. Sanders, Kelly Volansky 2003-10-16 27346 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  CAS-BOT-BC108217  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  HSC82747  Salix laevigata R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54101 Riverside Flood Plain along Whitewater River, 3 mi. N of Whitewater Post Office. 591 Comment
  RSA701561  Salix laevigata Steve D. Boyd, Aydee Virgen 2004-4-13 10847 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA707986  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  RSA714425  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SD225103  Salix laevigata Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3849 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road 533 Comment
  RSA92703  Salix laevigata F. W. Peirson 1928-3-10 7700 Riverside along irrigation ditch, Snow Creek Auto Camp at Whitewater, head of Coachella Valley. Comment
  UC5016  Salix lasiandra subsp. lasiandra H. M. Hall 1906-7-20 2510 Riverside Strawberry Creek San Jacinto Mts., Strawberry Creek 1584 Comment
  UCR232060  Salix lasiolepis John F. Green 2008-4-23 07- 07 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  UCR239857  Salix lasiolepis O. F. Clarke 2004-2-26 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR3335  Salix lasiolepis T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mountains, North Mountain [=Mt. Edna?] c. 5 mi south on Old Banning-Idyllwild Rd. 976 Comment
  SBBG57819  Salix lucida subsp. lasiandra Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  RSA586840  Salsola tragus D. L. Banks, Peter Morrell 1995-5-4 307 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  SEINET3860546  Saltugilia australis Leigh A. Johnson, Deborah A. Johnson 1997-5-12 97 -082 Riverside San Bernardino Natl. Forest, Cahuilla Mtn. vicinity. Along road to Cahuilla Mtn. trail, plants collected 0.3 to 1.7 miles from Tripp Flats Forest Service station. Plants farther up road in mid flower, a few in seed; mostly past flowering near start of road with capsules just ripening.; 0 1220 Comment
  RSA185451  Saltugilia splendens Clare B. Hardham 1965-6-17 12917 Riverside San Jacinto Mountains: Lake Fulmer. Comment
  SEINET1906667  Salvia A. C. Sanders, B. Pitzer 1992-1 13125 -E Riverside Riverside, UCR Botanical Garden. 335 Comment
  RSA411322  Salvia apiana N. C. Cooper 1944-5-6 2635 Riverside Whitewater Canyon. 457 Comment
  UCR112309  Salvia apiana A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23449 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR140739  Salvia apiana A. C. Sanders 2004-5-11 27854 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  UCR214322  Salvia apiana A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38382 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR94650  Salvia apiana Scott D. White 1996-5-27 4070 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  POM7001  Salvia carduacea P. A. Munz, L. T. Street, G. Williams 1919-3-28 2459 Riverside Palm Springs. 701 Comment
  SBBG89046  Salvia carduacea B. Pitzer, K. Kirtland 1986-5-7 220 Riverside Butterfield Stage Ranch development, Rancho California area, 1 mi S of Buck Mesa on the E side of Butterifeld Stage Rd 457 Comment
  CSUSB1062  Salvia columbariae Kheng Try Seng 1966-3-27 660327 11 Riverside 0.5 mile north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest. 487 Comment
  RSA0123122  Salvia columbariae Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9032 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA783218  Salvia columbariae J. D. Olmsted 1962-6-23 5228 Riverside 1/2 mile south of conservation-detention school east of Oak Glen, southeast of San Bernardino Mountains 1524 Comment
  UC1537560  Salvia columbariae Gordon H. True Jr. 1935-2-20 5 Riverside Box Springs; Sycamore Canyon 365 Comment
  UCR165199  Salvia columbariae S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR213614  Salvia columbariae A. C. Sanders, Matthew Malle 2010-4-23 38006 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR269870  Salvia columbariae A. C. Sanders, Jim Malusa 2016-3-18 42368 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR27197  Salvia columbariae Marlyce Myers 1980-4-28 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 518 Comment
  LA98415  Salvia dorrii L. Wester; 1970-4-18 11 Riverside Granite Mountains, Cottonwood Canyon Comment
  LA69694  Salvia eremostachya K. Watkins; Elizabeth McClintock 1937-4-10 sn Riverside Palms to Pines highway near road to Shumay Comment
  RSA124980  Salvia eremostachya Peter H. Raven 1958-5-18 13001 Riverside 1.7 miles NE of Pinyon Flats, San Jacinto Mountains. Comment
  SD40734  Salvia eremostachya B. D. Stark 1933-5-13 4986 Riverside San Jacinto Mountains; 8.0 miles up on the Palms to Pines Highway. 1220 Comment
  RSA580061  Salvia greatae C. Epling, Mrs. Epling 1937-6-10 s.n. Riverside Hidden Spring near Mecca. Comment
  RSA779748  Salvia greatae Duncan S. Bell, Joshua Paolini, Christopher Galley 2011-7-8 2749 Riverside Salt Creek between the Orocopia Mountains and the Chocoloate Mountains, on the north side of the Bradshaw Trail approximately 3.6 air miles northeast of the junction of the Coachella Canal road and Bradshaw road. 181 Comment
  RSA613429  Salvia mellifera D. L. Banks 1997-4-5 1663 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountin, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 671 Comment
  RSA666647  Salvia mellifera A. C. Sanders, Kent Beaman 2002-5-10 25046 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  UCSB41856  Salvia mellifera Weidert, E. 1970-5-22 Riverside Perris Hills Gavalin Canyon 365 Comment
  CLARK-A1528-4964  Salvia mohavensis John C. Roos 1947-2-15 3234 Riverside Eagle Mountains Comment
  SD48345  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22670 Riverside 6.6 miles southwest along State Highway 74 from Palm Village (junction with State Hwy. 111) 502 Comment
  CAS-BOT-BC238858  Sambucus nigra subsp. caerulea Donald A. Johansen 1933-7-14 714 Riverside Along road from Cherry Valley to Mesa Mira 1371 Comment
  RSA585642  Sanicula arguta D. L. Banks 1995-3-15 78 Riverside NW Palomar Mts. Agua Tibia Wilderness Area, N face of Agua Tibia Mtn. Dorland Mnt. area. 793 Comment
  RSA471457  Sanicula bipinnatifida L. Haines, L. Erickson 1937-4-9 s.n. Riverside Field near Winchester. Comment
Read comments
Mar 20 2011
  UC1611579  Sanicula crassicaulis Steve Boyd, Tim Ross 1993-3-23 7904 Riverside s of Vail Lake (at n base of Agua Tibia Mountain, Palomar Range, Cleveland Nat'l Forest, Agua Tibia Wilderness Area, along trail extending s from end of Woodchuck Rd.); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Wilderness 609 Comment
Read comments
Aug 1 2006
  SD152964  Sanicula tuberosa Steve Boyd 1992-4-15 6863 Riverside Sant Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek. 334 Comment
  SEINET273045 Image available Sanicula tuberosa A. C. Sanders 1997-4-3 20150 Riverside Lake Skinner area; near N foot of Black Mtn, slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  RSA744307  Saxifraga californica M. Wall 2009-4-2 499 -B Riverside Bautista Creek east of Hemet, off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  UCR5967  Schinus molle Nancy Robb 1966-4-13 s.n. Riverside Peninsular Range, 50 yards south of Blaine Street Reservoir [Box Springs Mtns. Foothills, Belvedere Heights], Riverside 290 Comment
  SD247292  Schismus arabicus T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7298 Riverside Sonoran (Colorado) Desert: south of Hwy-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  SEINET3225527 Image available Schismus arabicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37495 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 204 Comment
  UCR196367  Schismus arabicus Naomi Fraga, Lisa Rojas 2005-2-10 1365 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA676102  Schismus barbatus Scott D. White 2001-4-3 8265 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  SEINET212601 Image available Schismus barbatus N. H. Holmgren, PK Holmgren; R. E. Kern 1973-3-22 6496 Riverside Rice Valley 7 miles sout-southwest of Rice 274 Comment
  UCR41394  Schismus barbatus N. M. Fellows 1985-3-3 94 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UCR1579  Schoenoplectus acutus var. occidentalis William G. Truesdell 1962-5-25 52562- 4 Riverside San Bernardino Valley Region, Riverside, marsh beside Lake Evans 305 Comment
  SDSU12983  Schoenoplectus americanus Michael G. Simpson with Claudia A. Luke 1999-10-27 2020 Riverside Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  POM14336  Schoenoplectus maritimus Phillip A. Munz 1922-4-29 5107 Riverside [Sedco] Station, south of Elsinore. Comment
  SD135146  Schoenoplectus saximontanus Paul Zedler 1990-3-10 Riverside Skunk Hollow. (IPB 11/07) Comment
  RSA516742  Scrophularia californica Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SDSU13642  Scrophularia californica W. Miller, C. Mosse 1972-7-13 Riverside West of M.W.D. station. Comment
  UCR174534  Scrophularia californica Jennifer H. Jones 2006-4-7 262 Riverside Peninsular Ranges, Box Springs Mtns. Reserve; A couple hundred feet up hill east of service road, just SE of the parking lot 732 Comment
  UCSB9655  Scrophularia californica Ralph, F. 1959-5-17 Riverside Along roadside of Hwy 74 about 6.7 miles west of Pinon Flats Campground. San Jacinto Mtns. 1371 Comment
  UCR121248  Scrophularia californica subsp. floribunda Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2267 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  CAS-BOT-BC214224  Scutellaria bolanderi subsp. austromontana A. C. Sanders; Mitch Provance 2008-7-11 35803 Riverside Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station, Peninsular Range, San Jacinto Mtns. 1474 Comment
  RSA739925  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35626 Riverside May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  SD51951  Scutellaria bolanderi subsp. austromontana Reid Moran 1962-7-7 9852 Riverside 2 miles SW of Idyllwild, in shade by Strawberry Creek 1550 Comment
  UCR202598  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12439 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  SD84920  Scutellaria mexicana Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-30 504 Riverside Below Pinyon Crest in Chapman's Rancheros area toward Dos Palmas Spring; northwest of Highway 74 in Santa Rosa Mountains. 1096 Comment
  RSA560371  Scutellaria tuberosa Steve Boyd 1992-4-14 6811 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  RSA571287  Scutellaria tuberosa Steve Boyd, D. L. Banks 1994-4-5 8267 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  POM47174  Selaginella bigelovii Mary F. Spencer 1920-4-7 1468 Riverside Palm Canyon; Colorado Desert. 244 Comment
  RSA793027  Selaginella bigelovii Justin M. Wood 2011-4-4 3395 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  SBBG32469  Selaginella bigelovii L. S. Rose 1966-12-14 66107 Riverside Chino Cyn, 3 mi W of Palm Springs Desert 670 Comment
  UCR261512  Selaginella bigelovii Joseph Cahill 2011-1-8 111- 23 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  RSA525450  Senecio californicus Steve Boyd, David E. Bramlet 1990-4-29 4495 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  CDA26838  Senecio flaccidus var. douglasii Mike Lahti 2008-10-27 PDR# 1509242 Riverside Temecula, found in field near Los Caballos and Pauba Rd. 0 Comment
  RSA779698  Senecio mohavensis Duncan S. Bell 2010-4-2 724 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  LA204898  Senegalia greggii Norman C. Cooper; 1944-5-20 2632 Riverside San Jacinto Mountains, Palms to Pines Highway 304 Comment
  JOTR32040  Senna armata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2270 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  UCR57995  Senna obtusifolia Les Ede 1989-8-19 s.n. Riverside Colorado River Valley/ Sonoran (Colorado) Desert, S of Blythe in the Palo Verde Valley, c. 1 mi. north of the Imperial County