Search Results — 2000 specimen records retrieved (1617 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  RSA585055  Abronia maritima D. Atwood 1993-3-28 17715 Orange Bolsa Chica Ecological Reserve, California Dept. of Fish and Game. 0 Comment
  RSA585489  Abronia maritima R. E. Riefner Jr. 1994-5-22 94 -380 Orange San Mateo Point, W of RR tracks, just N of Orange Co. line marker. Comment
  SEINET893685  Abronia maritima Norman C. Cooper 1942-1 888 Orange Balboa. Comment
  CAS-BOT-BC229406  Abronia umbellata Marcus E. Jones 1924-8-26 s.n. Orange Newport Comment
  RSA640716  Abronia umbellata Louis C. Wheeler 1931-8-17 s.n. Orange Balboa. Comment
  RSA0025912  Abronia umbellata Minor Warne 1934-04 s.n. Orange Near Bolsa. [County not listed but probably Orange] Comment
  JEPS61217  Abronia umbellata var. umbellata L. M. Booth 1932-5-25 1113 Orange Balboa Island; Newport Bay Comment
  POM201771  Abronia villosa var. aurita L. M. Booth 1932-7-30 1341 Orange Santa Ana River, 2 miles from ocean Comment
  CDA3995  Acacia retinodes D. G. Kelch 2006-12-9 6 .554 Orange Irvine. University Dr along tidal creek just E of I-73. Comment
  CDA25889  Acacia saligna Mark A. Elvin, D. G. Kelch, B. S. Nerhus, Patricia Iluore 2006-12-9 5325 Orange Southern Coastal; Newport Backbay; along Bayside Drive ca. 100 miles west of Eastbluff Drive. Comment
  HSC79051  Acalypha californica Steve Boyd, L. F. LaPre 1981-5-27 Orange N end of the Santa Ana Mtns., along powerline road on ridges E of Weir Canyon and at the head of Gypsum Canyon Comment
  CAS-BOT-BC333254  Acer macrophyllum Le Roy Abrams 1901-6-15 1819 Orange South Fork Santiago Creek 914 Comment
  CAS-BOT-BC333256  Acer macrophyllum P. A. Munz; R. D. Harwood 1920-4-23 3730 Orange Santa Ana Mts., Silverado Canon 548 Comment
  IRVC7  Acer macrophyllum D. Frees 1965-3-13 s.n. Orange Santa Ana Mtns: Silverado Cyn. Peninsular Ranges Comment
  POM17839  Acer macrophyllum Philip A. Munz 1923-9-7 7732 Orange Santa Ana Mountains: on trail from Holy Jim Canyon to Santiago Peak 1220 Comment
  UCR231359  Acer macrophyllum A. C. Sanders, Kent Beaman 2011-9-27 39908 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Truck Trail, 3.4 km NNW (340 deg. ) of Santiago Peak 1088 Comment
  RSA588728  Achillea millefolium var. californica Fred M. Roberts 1990-5-7 4602 Orange Rancho Mission Viejo: Ridge S of Blind Canyon and E of Christianitos Canyon, TRW Lease Holding, 5.0 km NE Clemente Survey Marker 152 Comment
  RSA562739  Achillea millefolium var. californica Steve Boyd 1992-5-20 7455 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of wilderness in Lucas Canyon along a new section of trail heading up major side canyon northward to Sitton Peak Road (7S09), 305 Comment
  RSA548876  Achnatherum coronatum Fred M. Roberts, T. Sholars, B. Stechmeyer 1988-3-29 3886 Orange Santa Ana Mountains: Hot Springs Canyon, 1.3 km north Hwy 74 by road , 0.7 km NW Juan Rancho Survey Marker., UTM 3717900m N, 452700m E 274 Comment
  RSA773562  Achnatherum coronatum Fred M. Roberts 1999-5-14 5218 Orange Peninsular Ranges; Santa Ana Mts.: Lomas de Santiago, Loma Ridge; Upper Limestone Canyon on slopes above Bolero Spring, 2.4 km NNW Bolero Lookout 451 Comment
  UCD55576  Achnatherum coronatum Beecher Crampton 1963-5-7 6790 Orange Ca. 11 miles northeast of San Juan Capistrano, State Hwy. 74. Lower San Juan Canyon, Santa Ana Mountains. Comment
  UCSB48021  Acmispon americanus Roberts, Fred 1980-7-1 Orange Irvine; San Diego Creek, 0.2 km NE Interstate 5; 2.0 km WSW Bench Mark 343 85 Comment
  UCSB41751  Acmispon micranthus Mann, Nancy 1976-5-16 Orange Charlton Ranch, 1.2 miles north of Modjeska Canyon Road on Santiago Canyon Road, Santa Ana Mtns. Comment
  JEPS9162  Acourtia microcephala L. M. Booth 1932-8-4 1243 Orange Newport Bay Comment
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May 27 2017
  UCR193045  Acourtia microcephala A. C. Sanders, Fred M. Roberts 2008-6-17 35485 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, West Loma Ridge Spur Road c. 1 km east of Sheriff's Training Facility and 1.6 km SW of Irvine Lake, between hwys 241 and 261 357 Comment
  UCR207683  Acourtia microcephala R. E. Riefner Jr. 2008-5-13 08- 76 A Orange Irvine Ranch Reserve, Management Area 11, west side of Hicks Haul Road, near the city of Orange Comment
  UCSB48009  Acourtia microcephala Roberts, Fred 1980-7-11 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 2.4 km. ENE San Juan Guard Station; 0.3 km. W of Bench Mark 1100 345 Comment
  RSA542471  Acourtia microcephala Fred M. Roberts, K. Keane 1988-5-25 4584 Orange Rancho Mission Veijo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Marker. 91 Comment
  RSA699138  Actaea spicata Unspecified s.n. Orange Brook Bank. Comment
  RSA649082  Adenostoma fasciculatum Karl Price 1988-4-29 13 Orange An unnamed side canyon within Hot Springs Canyon. It is on Hot Springs Canyon Rd., 0.75 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 305 Comment
  RSA553109  Adenostoma fasciculatum var. fasciculatum Fred M. Roberts 1989-5-9 4341 Orange Gypsum Canyon, west for, 5.6 km WNW Sierra Peak, 1km S Hwy 91. 146 Comment
  UCSB9368  Adenostoma fasciculatum var. fasciculatum Lloyd, Robert 1959-4-17 Orange 10 miles south of West Corona on the Oak Flats Fire Road Comment
  RSA588887  Adiantum capillus-veneris Fred M. Roberts 1990-6-4 4667 Orange Santa Ana Mts. Hall Canyon, 1.8 km NNW Mustand Spring at east edge of flying B Ranch. 421 Comment
  UCR240175  Adiantum capillus-veneris R. E. Riefner Jr. 2012-2-23 12- 43 Orange South Coast, city of Laguna Beach, Treasure Island Beach, vicinity of Wesley Drive and South Coast Hwy 1 Comment
  UCR247503  Adiantum capillus-veneris R. E. Riefner Jr. 2008-7-9 08- 218 Orange South Coast, Laguna Beach, bluff area west of West St and Pacific Coast Hwy 11 Comment
  IRVC14112  Adiantum capillus-veneris K. Marvosh 1966-6-5 Orange Trabuco Canyon, 2mi up canyon, 200yds E of road; on shaded rocks of canyon. Santa Ana Mountains Comment
  IRVC22503  Adiantum jordanii Fred M. Roberts 1985-5-1 1693 Orange Aliso Canyon, 2.1km NNE Aliso Peak, Aliso Viejo 67 Comment
  RSA695488  Ageratum houstonianum M. Funakoshi 1941-10-23 s.n. Orange Santa Ana. Comment
  CAS-BOT-BC295626  Agnorhiza ovata P. C. Everett 1935-6-18 7198 Orange Santa Ana Mts., Main Divide Motorway, Los Pinos Potrero 914 Comment
  UCR228792  Agoseris retrorsa Dick Newell, Don Millar 2011-5-8 146 Orange Peninsular Range; Santa Ana Mtns., Maple Spring Rd., Cleveland National Forest 1173 Comment
  RSA754073  Agrostis pallens A. C. Sanders, Fred M. Roberts 2008-7-16 35851 Orange Lomas de Santiago, Limestone Canyon 325 Comment
  UCR219855  Agrostis pallens Fred M. Roberts 2008-6-3 7029 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, East Fork Rattlesnake Canyon, c. 2.6 km NE Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak 225 Comment
  UCR189302  Ailanthus altissima Fred M. Roberts, R. L. Allen 2007-9-28 6599 Orange Foothill Trabuco, Upper Aliso Creek at SE corner of El Toro Road and Valle Vista Way, c. 1.8 km NE Upper Oso Reservoir 308 Comment
  RSA698217  Allionia Kenneth Beard s.n. Orange Santa Ana riverbank Comment
  RSA678523  Allium monticola Fred M. Roberts, David E. Bramlet 2002-6-6 5526 Orange Main Divide Truck Trail, west slope of Modjeska Peak, 0.4km WNW summit. 1457 Comment
  CAS-BOT-BC472785  Allium neapolitanum John Thomas Howell 1956-3-11 30921 Orange Chapman Ave, Fullerton Comment
  RSA548861  Allium praecox Bernard Jaroslow 1990-4-25 B- 37 Orange Sitton Peak Truck Trail: Trailhead 0.3 mile W of ranger station near hot springs, on Ortega Highway (SR 74) Comment
  RSA753419  Allophyllum glutinosum D. E. Bramlet 2008-5-16 4276 Orange Agua Chinon Wash . Site is located 3m north of the access road and 1.1km NE of Hwy 241 229 Comment
  RSA67223  Allophyllum glutinosum Verne Grant, Alva Grant 1949-4-23 8659 Orange West entrance of Cleveland National Forest on Hywy 74. Comment
  SBBG27937  Allophyllum glutinosum V. and A. Grant 1949-4-23 8659 Orange W entrance of Cleveland Nat Forest on St Hwy 74 Comment
  CAS-BOT-BC170687  Alnus rhombifolia Ira L. Wiggins 1966-2-4 20411 Orange Along immediate margin of Stream above Ranger Station, Trabuco Canyon Comment
  RSA581438  Alnus rhombifolia Fred M. Roberts, Gordon Marsh 1932-2-7 4357 Orange Santiago Canyon, Flemming Regional Park, just E of Modjeska at end of paved road, c.a. 3.0 km WSWLaurel Springs. 436 Comment
  RSA734635  Alnus rhombifolia A. C. Sanders, T. B. Salvato 2008-5-13 35366 Orange Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  SD127314  Alnus rhombifolia Reid Moran, Jack Reveal and Bob Smart 1975-7-18 22597 Orange Near Yaeger Mine, bottom of upper Trabuco Canyon, Santa Ana Mts. 725 Comment
  UC1543134  Alnus rhombifolia Donald G. Nelson 1938-12-26 Orange in creek bottom near Myers Ranch; Santa Ana Mountains, Black Star Canyon, Black Star Creek Comment
  UCR26948  Alnus rhombifolia E. W. Lathrop 1966-3-23 6100 Orange Santa Ana Mtns, Cleveland National Forest, Trabuco District. 4 mi. NE of Lake Irvine, Black Star Canyon Comment
  UCSB47987  Alnus rhombifolia Roberts, Jr., Fred 1980-6-25 Orange Santa Ana Mtns., San Juan Canyon below Calif. Rte. 74, 2.4 km. ENE San Juan Guard Station; 0.3 km. WSW BM 1100 290 Comment
  RSA562818  Aloe saponaria Steve Boyd 1992-5-20 7471 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, about old mining habitations in side canyon, upstream 1/4 mile from Lucas Canyon Trail crossing and north spur trail 1/8 mile. 390 Comment
  RSA731751  Amaranthus albus Fred M. Roberts 2007-11-9 6653 Orange San Juan Canyon along San Juan Creek, about 0.6 km E San Diego FWY. 24 Comment
  UCR193368  Amaranthus albus A. C. Sanders, T. B. Salvato 2008-5-13 35346 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  JEPS54303  Amaranthus blitoides Lawrence M. Booth 1932-7-25 1309 Orange Santa Ana river, near coast Santa Ana River Comment
  RSA184149  Amaranthus blitoides I. L. Wiggins 1966-5-25 20665 Orange Parkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton. Comment
  RSA542440  Amaranthus blitoides Fred M. Roberts 1988-10-21 4162 Orange Irvine: Alton Parkway at corner of Jeffrey Rd., 1.5km NNE French Survey Mark. 35 Comment
  RSA724041  Amaranthus blitum subsp. emarginatus R. E. Riefner 2004-8-8 4 -370 Orange City of Anaheim, Santa River bottom near 57-Freeway between Orangewood St. and Chapman Ave. 41 Comment
  RSA724062  Amaranthus blitum subsp. emarginatus R. E. Riefner 2004-8-8 4 -370 Orange City of Anaheim, Santa River bottom near 57-Freeway between Orangewood St. and Chapman Ave. 41 Comment
  RSA724073  Amaranthus blitum subsp. emarginatus R. E. Riefner 2004-9-25 4 -442 Orange City of Yorba Linda, N floodplain of Santa Ana River near Yorba Linda Regional Park. 98 Comment
  UCSB37368  Amaranthus hybridus Roos, Alfred 1937-12-2 Orange Santa Ana Comment
  IRVC8605  Amblyopappus pusillus J. B. Anderson 1966-4-16 577 Orange Newport Beach; Corona del Mar; Buck Gully; "Little Corona Beach"; moist canyon bottom with small brooklet near stream. Southern Coastal 0 Comment
  RSA695490  Amblyopappus pusillus J. Vlahos s.n. Orange Corona Del Mar Comment
  CAS-BOT-BC13606  Ambrosia acanthicarpa Ira L. Wiggins 1965-11-6 20351 Orange Near Well No. 14, Kraemer Oil Estates, near end of road leading to Rancho Santa Ana. Comment
  RSA854  Ambrosia acanthicarpa J. T. Howell 1927-10-22 762 Orange Near Eastern Boundary, Rancho Santa Ana. 152 Comment
  UCR210314  Ambrosia acanthicarpa A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37199 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  UCR261707  Ambrosia acanthicarpa Dick Newell, Don Millar 2014-9-14 384 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Agua Chinon Wash, 0.1 mi. above the 241 Toll Rd./Foothill Transp. Corridor 202 Comment
  POM201848  Ambrosia acanthicarpa L. M. Booth 1932-7-30 1340 Orange Santa Ana River, 2 miles from ocean Comment
  RSA93934  Ambrosia acanthicarpa F. W. Peirson 1919-11-8 5275 Orange Road south of Arch Beach. Comment
  RSA643441  Ambrosia chamissonis R. D. Goeden, D. W. Ricker 1970-4-29 s.n. Orange Pacific Coast: Newport Beach, NW edge of town between Seashore Dr., Neptune Ave. 56th and 58th Streets. 2 Comment
  SD143592  Ambrosia chamissonis R. D. Goeden, D. W. Ricker 1970-2-19 Orange Newport Beach, northwest edge of town between Seashore Dr., Neptune Ave., 56th and 58th streets 2 Comment
  UC523553  Ambrosia chamissonis David D. Keck 1933-9-8 2522 Orange Sunset Beach Comment
  POM324260  Ambrosia chamissonis var. chamissonis Barbara L. Wilson 1967-6-3 22 Orange Laguna Beach. 30 Comment
  CDA25220  Ambrosia psilostachya A. C. Sanders, Fred M. Roberts 2008-8-7 35990 Orange Peninsular Range; Santa Ana Mountains.; Lower Weir Canyon, at narrow gorge c. 0.6 mile above mouth of canyon at Irvine Ranch gate. Comment
  SEINET11844102  Ambrosia psilostachya S. A. Thompson, Rawlins, J. E. 1988-1 5268 Orange Cleveland National Forest, 3.8 mi E of San Juan Hot Springs on CA 74 370 Comment
  RSA800133  Ammannia coccinea Justin M. Wood 2010-9-29 2746 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  POM201704  Ammi visnaga L. M. Booth 1932-7-18 1268 Orange Santa Ana River, 1 mile from Ocean. Comment
  RSA797669  Amorpha californica Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49773 Orange Santa Ana Mountains: Trabuco Canyon Comment
  CAS-BOT-BC180616  Amorpha californica var. californica L. R. Abrams 1901-6-1 1828 Orange Santa Ana Mts. Comment
  UC718381  Amorpha californica var. californica P. C. Everett 1935-6-19 7235 Orange 1/2 mi below (w) head of canyon; Santa Ana Mts., Trabuco Canyon 1066 Comment
  RSA378  Amorpha fruticosa J. T. Howell 1927-6-6 49 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  UC174984  Amsinckia C. F. Baker 4095 Orange Anaheim; Pacific Coast Comment
  HSC3516  Amsinckia intermedia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23064 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  JEPS61147  Amsinckia intermedia Alice King 1908-1 Orange Anaheim plain Anaheim Comment
  UC1061778  Amsinckia intermedia A. Lewis Mar 1934 349 Orange San Juan Hills; Corona Quad., San Juan Hills 396 Comment
  UC484243  Amsinckia intermedia C. B. Wolf 1931-3-6 Orange e side of Orange County Park 152 Comment
  UCR193345  Amsinckia intermedia A. C. Sanders 2008-5-28 35434 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  RSA722350  Amsinckia intermedia E. Culver s.n. Orange Orange orchard. Comment
  SEINET12280463  Amsinckia intermedia Unknown 1933-1 8203 Orange back of Laguna Beach Comment
  IRVC205  Amsinckia menziesii var. intermedia McGuire 1965-4-3 Orange Corona del Mar High School Newport Beach Comment
  RSA747628  Anagallis arvensis Fred M. Roberts 2008-5-16 6972 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  SBBG47539  Anagallis arvensis M. B. Dunkle 1933-4-9 3273 Orange Dana Point Comment
  RSA465158  Anagallis arvensis N. C. Cooper 1944-6-4 1353 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA650588  Anagallis arvensis D. Geisinger, R. Miller, E. Baldwin 1959-4-14 s.n. Orange Poor Mans Weather Glass, Santa Ana Canyon. Comment
  RSA701652  Anagallis arvensis Stephen Bruff s.n. Orange Lemon Heights. Comment
  CDA5468  Anagallis monelli J. McNeill 1969-4-1 3035 Orange Upper Newport Bay. Comment
  RSA450866  Andropogon glomeratus Gordon Marsh, Karlin G. Marsh 1978-10-11 s.n. Orange Santa Ana Mountains: San Juan Hot Springs. Comment
  RSA647882  Anthemis cotula Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-25 71 Orange 1/2 mile south of Chino Hills State Park Boundary. 228 Comment
  CAS-BOT-BC354305  Antirrhinum multiflorum R. E. Riefner, Jr. 2007-6-29 07 -286 Orange Irvine Ranch Reserve, North Irvine Ranch, East Fork of upper Fremont Canyon along Black Star SCE Rd. 594 Comment
  UCR203905  Antirrhinum multiflorum R. E. Riefner Jr. 2008-6-3 08- 139 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east fork at upper Fremont Canyon, along Black Star SCE Road 618 Comment
  RSA737889  Antirrhinum multiflorum R. E. Riefner 2007-6-29 07 -286 Orange Irvine Ranch Reseve, N Irvine Ranch, E Fork cliffs at upper Fremont Canyon along Black Star SCE road. 579 Comment
  RSA698990  Antirrhinum nuttallianum Unspecified 1935-04 s.n. Orange Silverado Canyon. Comment
  UCR175056  Antirrhinum nuttallianum Vanessa Lee 2005-4-24 s.n. Orange South Coast, Crystal Cove, Laguna Beach, above Pacific Coast Highway 61 Comment
  JEPS4277  Antirrhinum nuttallianum subsp. nuttallianum Alice King May 1908 Orange Newport Beach Comment
  POM184317  Antirrhinum nuttallianum subsp. nuttallianum L. M. Booth 1932-7-4 1260 Orange On permantant dunes back from beach Mouth of Santa Ana River 0 Comment
  RSA80436  Antirrhinum nuttallianum subsp. nuttallianum F. W. Peirson 1923-5-5 4489 Orange Trabuco Canyon, Santa Ana Mountains 518 Comment
  JEPS83382  Antirrhinum nuttallianum subsp. subsessile David M. Thompson 1983-5-11 302 Orange about 0.3 mi from Santiago Canyon Road (on private road up Williams Canyon, n of road); El Toro Quad. (7.5', 1968) 396 Comment
  CAS-BOT-BC447685  Aphanes arvensis P. A. Munz 1918-5-4 2223 Orange Laguna Beach Region, Laguna Canyon Comment
  RSA704933  Aphanes occidentalis Fred M. Roberts, David E. Bramlet 2004-4-21 6038 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Shady Canyon, tributary to Cristianitos Cyn., 1.18 km NW Sycamore Gate, 1.08 km W of Cristianitos Road. 162 Comment
  RSA737480  Aphanisma blitoides Fred M. Roberts 2008-3-12 6736 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA0119679  Apiastrum angustifolium Fred M. Roberts 2015-3-10 7926 Orange San Joaquin Hills: Niguel Hill, on ridge above Aliso Canyon ear end of Ceanothus Drive (Hangover House property), 0.4 km WNW summit Aliso Peak. 122 Comment
  RSA450848  Apiastrum angustifolium Fred M. Roberts 1983-5-4 1023 Orange Laguna Beach: Upper Rancho Laguna canyon, 1.7km SSW Top of the World Sch.; 1.4km ENE Cactus Point 200 Comment
  RSA699125  Apiastrum angustifolium J. R. Bruff 1927-3-16 22 Orange Newport Bluff Comment
  RSA0002591  Apium graveolens var. graveolens F. W. Peirson 1924-5-31 4656 Orange Open Canyon, Laguna Beach. 91 Comment
  IRVC26732  Aquilegia formosa Mark A. Elvin 2004-6-18 3526 Orange UCI Arboretum Southern Coastal 15 Comment
  RSA539397  Aralia californica Fred M. Roberts, Carol A. Roberts 1988-6-9 4067 Orange Santa Ana Mountains: Main Divide Truck Trail, Upper Silverado Canyon, 1.9 kilometer N Modjeska Peak. 1128 Comment
  RSA725520  Araujia sericifera Fred M. Roberts, Robert L. Allen 2007-9-28 6604 Orange Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado. 347 Comment
  RSA7635  Arbutus menziesii C. B. Wolf 1933-11-8 5534 Orange Trabuco Canyon on So. wall opposite the Trabuco Truck Trail. 915 Comment
  LA42398  Arctostaphylos glandulosa W. Pequegnat; 1938-9-3 sn Orange Santa Ana Mountains, Ortega Rd 731 Comment
  RSA629333  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15517 Orange North of El Cariso on road to Los Pinos Pk, 3.8 km north of Hwy 74. 1000 Comment
  RSA629338  Arctostaphylos glandulosa C. J. Fotheringham, Jon E. Keeley 1996-6-24 27644 Orange Ca. 3 km west of Sierra Peak. 700 Comment
  UCD166561  Arctostaphylos glandulosa Dylan O. Burge 2016-2-23 2090 Orange Santa Ana Mountains, vicinity of Blue Jay Campground, along spur off of Long Canyon Road. 1060 Comment
  UCR282324  Arctostaphylos glandulosa A. C. Sanders, Yi Huang 2017-3-3 42703 Orange Peninsular Range; Santa Ana Mtns., North Main Divide Road, 6.5 km north of Hwy 74, at junction to Blue Jay and Falcon Camps 1038 Comment
  UCR282325  Arctostaphylos glandulosa A. C. Sanders, Yi Huang 2017-3-3 42702 Orange Peninsular Range; Santa Ana Mtns., North Main Divide Road, 6.5 km north of Hwy 74, at junction to Blue Jay and Falcon Camps 1038 Comment
  CAS-BOT-BC23108  Arctostaphylos glandulosa subsp. glandulosa L. R. Abrams 1901-6-15 s.n. Orange Mt. Dante a So summit Comment
  POM254919  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-6-19 s.n. Orange Head of West Ladd Canyon, Santa Ana Mts. Comment
  RSA626918  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15514 Orange Road to Los Pinos Peak (3S04), 2 km northeast of Blue Jay Campground and 1 km above 5S05. North of Hwy. 74. 1100 Comment
  RSA629317  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15524 Orange North of El Cariso on road to Los Pinos Pk, 3.8 km north of Hwy 74. 1000 Comment
  RSA629325  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15512 Orange Rd. 6S06, 1km northeast of Blue Jay Campground, north of El Cariso (Hwy 74) 1050 Comment
  RSA629326  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15510 Orange Rd. 6S06, 1km northeast of Blue Jay Campground, north of El Cariso (Hwy 74) 1050 Comment
  RSA629330  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15516 Orange Road 5S05, 5.5 km north of Hwy. 74. At El Cariso. 1000 Comment
  RSA797659  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, E. W. Lathrop 1977-5-18 49762 Orange Santa Ana Mountains: at head of Trabuco Canyon Trail Comment
  RSA798535  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, E. W. Lathrop 1977-5-18 49732 Orange Santa Ana Mountains: at head of Trabuco Canyon Trail Comment
  RSA1542  Arctostaphylos glandulosa subsp. zacaensis E. R. Johnson 1929-4-11 1262 Orange Sierra Peak Trail. Comment
  CAS-BOT-BC401734  Argemone munita subsp. robusta Carl B. Wolf 1937-12-3 9382 Orange Santa Ana Mts., main divide motorway, between Santiago Peak and Modjeska Peak 1645 Comment
  RSA105977  Argemone munita subsp. robusta Gerald B. Ownbey, Findley Ownbey 1954-7-2 2177 Orange Between Modjeska Peak and Santiago Peak 1524 Comment
  RSA663207  Aristida purpurea var. parishii R. E. Riefner 2000-8-3 20 -709 Orange NCCP North Ranch Policy Plan Area. E of Main Divide Road and Windy Ridge. 534 Comment
  RSA708236  Arrhenatherum elatius Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6235 Orange Modjeska Peak, west slope along summit road, 0.15km by air W summit. 1613 Comment
  IRVC21707  Artemisia californica Fred M. Roberts, G. A. Marsh 1984-10-16 1419 Orange east bluff, Newport Back Bay, 3.6km W UCI campus center; 0.1km S Camp Survey Mark, Newport Beach 15 Comment
  POM201782  Artemisia californica L. M. Booth 1932-7-27 1327 Orange Corona del Mar, Newport Bay. Comment
  UCR131889  Artemisia californica J. Mallory, V. McCoy 1995-7-3 6454- 70 Orange Santa Ana Mountains: N-facing slope in Santiago Canyon, c. 0.5 mi. east of Santiago Canyon Rd; near Irvine Park 200 Comment
  SEINET10953172  Artemisia californica Charlene A. Bennett, David B. Dunn; Chester T. Dziekanowski 1976-7-21 Bennett 440 Orange Cultivated plants collected in and around the condominium - Pacific Island Estates in Laguna Hills; some native shrubs, etc. 152 Comment
  UCR193794  Artemisia douglasiana A. C. Sanders, Fred M. Roberts 2008-7-3 35689 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir 285 Comment
  UC75907  Artemisia dracunculus E. A. Zumbro 1902-1-1 385 Orange Comment
  UCR247920  Artemisia palmeri Fred M. Roberts 2012-7-18 7669 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill 37 Comment
  IRVC408  Arthrocnemum subterminale J. B. Anderson 1966-4-16 589 Orange Newport Beach; Corona del Mar; Buck Gully; "Little Corona Beach"; moist canyon bottom with small brooklet near stream. Southern Coastal 0 Comment
  RSA0059639  Arthrocnemum subterminale A. C. Sanders, Dan Malueg, K. D. Jones 2000-4-19 23340 Orange Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St. 0 Comment
  UCSB36215  Arthrocnemum subterminale Ferren, Wayne 1980-8-27 Orange W side of Back Bay Drive, along channel of Newport Back Bay, ca. 1.5 km. NE of Rt. 1, Newport Beach Comment
  RSA719403  Arundo donax Fred M. Roberts, Robert L. Allen 2006-10-8 6432 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  JEPS49870  Asclepias eriocarpa John Thomas Howell 1927-7-16 2785 Orange Rancho Santa Ana Santa Ana Cnayon 152 Comment
  POM201840  Asclepias fascicularis L. M. Booth 1932-7-21 1291 Orange Anaheim Creek Comment
  RSA734896  Asclepias fascicularis A. C. Sanders 2008-5-28 35429 Orange Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  UCR228754  Asclepias fascicularis Dick Newell, E. D. Hill 2011-6-7 171 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon 341 Comment
  SEINET7113596  Asclepias fruticosa M. B. Sady 1996-6-19 s.n. Orange The University of California, Irvine Arboretum, on Campus Drive, UCI Comment
  UCR159775  Asparagus officinalis Peter A. Bowler 2003-4-20 s.n. Orange Southern Coastal, UC San Joaquin Freshwater Marsh Reserve; bluffs along NW edge of marsh Comment
  RSA0127349  Asphodelus fistulosus Fred M. Roberts 2016-5-20 8057 Orange City of Irvine: San Joaquin Hills, Turtle Rock Community along Ridge Route Road, 1.0 km SE summit of French Hill and just NE intersection with Hillsborough Drive. 122 Comment
  POM146199  Aster bernardinus F. M. Reed 1927-11-9 5634 Orange Margin of Hwy, 1 mile S of Tustin. Comment
  UCR100183  Aster subulatus Scott D. White 1993-3-5 1108 Orange Tustin. Marine Air Corps Air Station: SE of Red Hill Ave and NE of Barranca 15 Comment
  CDA23617  Aster subulatus var. ligulatus A. Thomas, Mark A. Elvin 2006-9-23 609232 Orange Southern Coastal; San Joaquin Marsh Freshwater Marsh, UC Natural Reserve; southwest edge, along San Diego Creek, north of University Drive, east of Highway 73. Comment
  RSA93807  Aster subulatus var. ligulatus F. W. Peirson 1919-11-8 1278 Orange Aliso Creek. 0 Comment
  RSA20375  Astragalus brauntonii Percy C. Everett, E. R. Johnson 1937-11-30 9381 Orange Claymine Canyon to sierra peak Road 609 Comment
  RSA443829  Astragalus brauntonii Gordon Marsh, K. G. Marsh 1978-5-20 s.n. Orange Coal Canyon, along Coal Creek. Comment
  OBI5666  Astragalus trichopodus var. lonchus Carl B. Wolf 1931-3-6 1860 Orange 1.5 mi below Trabuco Camp Ground, Trabuco Cyn, W slope of Santa Ana Mts 549 Comment
  UCR234155  Astragalus trichopodus var. lonchus Dick Newell, Don Millar 2012-2-28 229 Orange Peninsular Range; Santa Ana Mtns. Region, Lomas de Santiago, along Hangmans Tree Rd. at Santiago Creek 357 Comment
  RSA737899  Atriplex amnicola R. E. Riefner 2006-4-25 08 -118 Orange City of San Clemente, vicinity of Camino de Los Mares and Calle Nuevo. 45 Comment
  SBBG122000  Atriplex amnicola R. E. Riefner 2006-8-6 06 -381 Orange Big Cyn Crk drainage near Back Bay Drive, Newport Bay 8 Comment
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Dec 13 2012
  POM48693  Atriplex argentea I. M. Johnson 1924-8-29 s.n. Orange 4 miles south of Santa Ana Comment
  RSA452403  Atriplex californica Albert J. Perkins 1923-05 s.n. Orange Laguna heights Comment
  UC1543080  Atriplex californica Donald G. Nelson 1935-6-27 327 Orange on bluffs facing ocean beaches s Corona del Mar (s of mouth of Newport Bay); s of Corona del Mar, s of mouth of Newport Bay Comment
  UC450972  Atriplex californica F. A. MacF. 1931-3-1 2927 Orange Laguna Beach Laguna Beach (crevices of sea cliffs) Comment
  VVC1116  Atriplex californica A. C. Sanders, J. Mac 1998-10-17 22267 Orange Coastal flats, Bolsa Chica, near Bolsa Bay, south of Warner Ave., E of the Pacific Coast Highway .3 Comment
  POM47598  Atriplex californica I. M. Johnston 1924-8-29 s.n. Orange Corona Del Mar Comment
  CHSC26531  Atriplex canescens James Henrickson 1970-7-24 5018 Orange 3 miles NW of Huntington Beach on sandy 'Rabbit' Island in Bolsa Chico Salt Marsh near Inner Bolsa Bay. At south end of sand area. 0 Comment
  POM201811  Atriplex canescens L. M. Booth 1932-7-1 1249 Orange Newport Lagoon. Comment
  POM47599  Atriplex canescens I. M. Johnston 1924-8-29 s.n. Orange Corona Del Mar Comment
  RSA255  Atriplex canescens J. T. Howell 1927-10-22 761 Orange Near Eastern Boundary, Rancho Santa Ana. 152 Comment
  RSA452458  Atriplex canescens Albert J. Perkins 1923-6-28 s.n. Orange Santa Ana, Crescent Beach Comment
  RSA642506  Atriplex coulteri D. E. Bramlet 1998-7-22 2660 Orange San Juan Hills. 854m west of La Pata Ave. and 1.73km north of Prima Deshecha Canada. The site is located on a ridgeline 457m east of the small, unnamed canyon. 48 Comment
  CDA23267  Atriplex glauca R. E. Riefner Jr. 2005-12-13 05 -784 Orange Lake Forest; E side of SR-241, ca. 0.5 mi. N of Alton Pkwy. Comment
  UCR250852  Atriplex glauca Dick Newell, Don Millar 2014-4-15 363 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Agua Chinon wash at the lower gate next to the 241 toll road 328 Comment
  RSA743658  Atriplex glauca R. E. Riefner Jr. 2007-8-22 7 -370 Orange Ladera Ranch/San Juan Capistrano area, Antonio Pkwy. ca. 0.6 miles S of Covenant Hills Rd. 170 Comment
  RSA743660  Atriplex glauca R. E. Riefner 2007-1-22 7 -20 Orange City of San Juan Capistrano, San Juan Creek at Hwy. 74. 56 Comment
  UCR46556  Atriplex lentiformis B. G. Pitzer, D. C. Hawks 1986-10-21 0354 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, c. 10 mi. east of Santa Ana, along Jeffrey Road in Hicks Canyon, c. 1.5 mi. north of the South Coast Gun Club 274 Comment
  RSA478323  Atriplex leucophylla Gertrude Dunn 1931-8-9 s.n. Orange Between Huntington Beach and Santa Ana Comment
  SD181601  Atriplex leucophylla Valerie Soza, K Clark,L Gross,W Miller,F Roberts,G Wallace 2001-4-4 1117 Orange Anaheim Bay, Seal Beach, U.S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge; Seal Beach 7.5' quad. Coastal sand dunes. 3 Comment
  RSA249  Atriplex patula J. T. Howell 1927-10-29 s.n. Orange Bryant Ranch, near Long Beach. 15 Comment
  RSA638190  Atriplex polycarpa Scott D. White 1998-10-15 7185 Orange Yorba Linda: 1/2 mile south of Telegraph Cyn. Between Ohio St. and Fairmont. Proposed for development 152 Comment
  UC536972  Atriplex rosea Lawrence M. Booth 1932-8-5 1350 Orange West Newport Beach West Newport Beach (salt marsh) Comment
  RSA234507  Atriplex rosea James Henrickson 1970-7-25 5068 Orange 2 miles N of Huntington Beach along NE margin of Bolsa Chica Salt March 0 Comment
  IRVC29784  Atriplex semibaccata Mark A. Elvin, Dean Kelch 2006-12-9 5296 Orange Newport Backbay; Big Canyon, lower end. Southern Coastal 3 Comment
  RSA478406  Atriplex semibaccata N. C. Cooper 1942-11-9 889 Orange Balboa. Comment
  RSA5242  Atriplex semibaccata C. B. Wolf 1932-9-13 4030 Orange Bryant Ranch: Triangle of waste ground S of Bryant Ave., & 1/2 mi. west of Los Alamitos Blvd., (Triangle waste ground at NW corner of SW 1/4 sect. 30 T4S R11W) 8 Comment
  RSA254  Atriplex serenana J. T. Howell 1927-6-30 235 Orange Bryant Ranch near Long Beach. 15 Comment
  CAS-BOT-BC176589  Atriplex serenana var. davidsonii L. R. Abrams 1917-6-23 6571 Orange Balboa Comment
  CAS-BOT-BC176754  Atriplex serenana var. serenana John Thomas Howell 1927-7-5 2650 Orange Along road, Santa Ana River bottom, Santa Ana [Canon] Canyon 152 Comment
  RSA720295  Atriplex suberecta Tom Perring, Tracy Pinkard 1994-3-2 s.n. Orange South Coast: Tustin, Marine Helicopter Station at the corner of Moffett Dr and Hamboree Rd. 11 Comment
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Jul 19 2010
  SBBG119391  Atriplex suberecta T. Perring with T. Pinckard 1994-3-2 Orange Marine Helicopter Station at the corner of Moffett Dr and Jamboree Rd, Tustin 11 Comment
  UCR154266  Atriplex suberecta Mark A. Elvin 2004-5-2 3424 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  UCR192984  Atriplex suberecta A. C. Sanders, Fred M. Roberts 2008-6-17 35472 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 260 Comment
  RSA65428  Atriplex subspicata F. W. Peirson 1924-10-19 s.n. Orange Wintersberg Comment
  POM265719  Atriplex watsonii J. C. Roos 1937-9-1 2157 Orange Seal Beach. Comment
  RSA453967  Atriplex watsonii F. R. Fosberg 1930-7-10 S 3188 Orange Anaheim Landing. [Los Angeles Co. on label] Comment
  RSA678745  Atriplex watsonii Valerie Soza, Kevin B. Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary D. Wallace 2001-4-4 1100 -b Orange Seal Beach National Wildlife Refuge: Seal Beach U. S. Naval Weapons Station, across access road from Nature Center (Bldg 226). 3 Comment
  UC1543075  Atriplex watsonii Donald G. Nelson 1935-6-27 323 Orange s mouth of Newport Bay (on bluffs facing ocean beaches s of Corona del Mar); s of mouth Newport Bay, s of Corona del Mar Comment
  UCR99871  Avena barbata Scott D. White 1993-3-5 1114 Orange Tustin. Marine Air Corps Air Station: SE of Red Hill Ave and NE of Barranca 15 Comment
  CAS-BOT-BC146154  Avena fatua Ira L. Wiggins 1966-3-1 20481 Orange West edge of California State College at Fullerton Campus. Comment
  CDA22567  Avena fatua J. B. Anderson 1966-4-16 584 Orange South Coast; Corona Del Mar: Buck Gully, Little Corona Beach Comment
  RSA0089219  Avena fatua Fred M. Roberts 2014-4-21 7861 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin. 113 Comment
  RSA781941  Avena fatua Mark A. Elvin 2003-2-23 2316 Orange Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  UCR102010  Avena fatua B. G. Pitzer 1997-3-25 3003 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  UCR154264  Avena fatua Mark A. Elvin 2004-5-2 3421 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  UCR192634  Avena fatua A. C. Sanders, Fred M. Roberts 2008-3-25 34516 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA655626  Baccharis douglasii A. C. Sanders 2000-4-19 23336 Orange Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St. 0 Comment
  RSA93210  Baccharis douglasii F. W. Peirson 1924-8-29 5092 Orange 3 miles N of Huntington Beach Comment
  POM201806  Baccharis emoryi L. M. Booth s.n. Orange Newport Beach Comment
  UC284887  Baccharis glutinosa P. A. Munz 1923-9-6 7733 Orange Santa Ana Mts., Holy Jim Canyon 762 Comment
  UCR205875  Baccharis malibuensis R. E. Riefner Jr. 2008-6-25 08- 173 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, power line access road off Lakeview SCE Road 470 Comment
  UCR205876  Baccharis malibuensis R. E. Riefner Jr. 2008-6-25 08- 171 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, power line access road off Lakeview SCE Road 495 Comment
  RSA741698  Baccharis malibuensis R. E. Riefner Jr. 2008-6-25 08 -171 Orange Santa Ana Mts., Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, power line access road off Lakeview SCE Rd. 495 Comment
  CAS-BOT-BC99441  Baccharis pilularis Carl B. Wolf 1934-12-26 6262 Orange south end of town of San Clemente 15 Comment
  RSA0028029  Baccharis pilularis Fred M. Roberts 2012-9-6 7702 Orange San Joaquin Hills: Buck Gully, Buck Gully Trail, about 1.8 kilometers NW Pelican Hill summit. 64 Comment
  UCR237841  Baccharis pilularis Mark A. Elvin 2003-2-2 2270 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  UCR240089  Baccharis pilularis Dick Newell, Don Millar 2012-10-9 304 Orange South Coast, Laguna Canyon, Mule Deer (Upper Laurel) Trail 248 Comment
  IRVC505  Baccharis pilularis subsp. consanguinea B. Newman 1965-3-14 Orange Dana Point Comment
  IRVC520  Baccharis pilularis subsp. consanguinea D. DeVault 1965-4-3 Orange Corona del Mar, east bluff at Mar Vista Dr. Newport Beach Comment
  RSA658218  Baccharis salicifolia T. A. Daubert 1991-5-19 649 Orange Tucker Wildlife Sanctuary, Modjeska Canyon inside sanctuary. Comment
  UCR154338  Baccharis salicifolia Mark A. Elvin 2004-5-2 3414 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  UCR215309  Baccharis salicifolia Fred M. Roberts, Eliza L. Maher 2008-3-26 6799 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near Strands Road gate, 0.8 km west of Marine Institute, Dana Point Harbor 71 Comment
  UCD129479  Baccharis salicifolia subsp. salicifolia B. Pitzer 1996-4-30 2769 Orange Upper Newport Bay: California Department Fish and Game Ecological Reserve, off (W of) Jamboree Rd. 6 Comment
  CAS-BOT-BC106668  Baccharis salicina Helen D. Geis 1902-1-1 548 Orange Unspecified Comment
  SD181717  Baccharis sergiloides Scott D. White 1998-10-15 7187 Orange Yorba Linda, 0.5 mile south of Telegraph Canyon between Ohio St. and Fairmont. 149 Comment
  UCR151116  Baccharis sergiloides Scott D. White 1998-10-15 7187 Orange Santa Ana Mtns foothills, Yorba Linda, c. 0.5 mi south of Telegraph Canyon between Ohio St. and Fairmont 305 Comment
  RSA798094  Barbarea orthoceras R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49590 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  CHSC26008  Bassia hyssopifolia James Henrickson 1970-7-24 4953 Orange 1 1/2 miles NW of Huntington Beach, along border of Bolsa Chico Salt Marsh at SW end of Huntington Beach Mesa. 7 Comment
  POM202235  Bassia hyssopifolia L. M. Booth 1932-8-5 1348 Orange West Newport Beach Comment
  LA105120  Batis maritima Barry A. Prigge; 1988-6-30 8119 Orange eastern Newport Beach, ca 1100 ft E of Santa Ana River/Greenville-Banning channels along old river channel and SE of oil wells 0 Comment
  POM201706  Batis maritima L. M. Booth 1932-6-9 1184 Orange Newport Bay. Comment
  RSA678457  Batis maritima Valerie Soza, Kevin B. Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary D. Wallace 2001-4-4 1110 Orange Seal Beach National Wildlife Refuge: Seal Beach U. S. Naval Weapons Station, across access road from Nature Center (Bldg 226). 3 Comment
  RSA69761  Batis maritima F. W. Peirson 1921-1-9 2353 Orange near end of beach, Balboa Comment
  POM50753  Bebbia juncea Helen D. Geis 1902-12-6 s.n. Orange Dry bed of Santiago Creek Canyon Comment
  UCR151028  Bebbia juncea Scott D. White 1997-5-6 5034 Orange Peninsular Ranges; Santa Ana Mountains, Lomas de Santiago; Santiago Canyon, c. 1.5 mi N of Modjeska Canyon 366 Comment
  CAS-BOT-BC106378  Bebbia juncea var. aspera Helen D. Geis 1902-1-1 s.n. Orange Santiago Canyon [Canon] Comment
  LA204060  Berberis pinnata subsp. pinnata W. E. Pequegnat; 1937-9-3 77 Orange Santa Ana Mountains, Santiago Peak 1066 Comment
  RSA799942  Beta vulgaris Justin M. Wood 2011-6-28 4307 Orange South Coast: City of Costa Mesa. Fairview Park, just WNW of Marison Special Education Center. Just W of parking area. 25 Comment
  SEINET3090330 Image available Beta vulgaris Cesareo Perez 1971-5-15 Orange Huntington State Beach Pacifico Cst. Hwy. Brookhurst Huntington Beach. Comment
  RSA696877  Bidens laevis J. Russell Bruff 1930-10 s.n. Orange Santa Ana River Bed. Comment
  IRVC19422  Bidens pilosa R. L. Allen 1983-2-12 A630 Orange Fullerton; Hillcrest Park, slope bordering E Valley View Drive. Southern Coastal Comment
  CAS-BOT-BC31012  Bolboschoenus maritimus John Thomas Howell 1957-9-28 11378 Orange Salt marshes, north limits of Surfside. Comment
  UCSB56463  Bolboschoenus maritimus Thorne, Robert 1975-4-6 Orange Head of Newport Bay Comment
  UCSB54129  Bolboschoenus maritimus Roberts, Fred 1985-6-12 Orange Laguna Niguel: Alicia Pkwy., 2.1 km. by road SW La Paz Rd.;1.0 km. W Sulphur Creek Reservoir, UTM 37117mN, 433525mE 67 Comment
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Feb 22 2019
  UCD140035  Bolboschoenus maritimus subsp. paludosus B. Pitzer; T. Tennant 1997-11-8 3365 Orange Crystal Cove State Park, along Moro Canyon Trail, from beginning to a point ca. 1.75 miles up the canyon. 85 Comment
  CAS-BOT-BC21117  Bolboschoenus robustus James R. Shevock 1972-9-27 2288 Orange South Coast Ranges. Upper Newport Bay, city of Newport Beach. 1 Comment
  UCD56817  Bothriochloa barbinodis F. M. Reed 1926-4-10 6583 Orange North of Dana Point. Comment
  UCD63676  Bothriochloa barbinodis Daniel Sanchez-Mata 2006-7-1 s.n. Orange Laguna Niguel. Dana Point Highlands. Crown Valley Parkway-Pacific Island Drive. 70 Comment
  UCR205990  Bothriochloa barbinodis Adrian Wolf 1997-5-20 009 Orange South Coast, northwest of city of Laguna Beach, 100 ft from Pine Crest Drive reservoir, upslope bank adjacent to the road 152 Comment
  RSA0058187  Brachypodium distachyon Fred M. Roberts 2014-4-21 7872 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), south basin. 113 Comment
  RSA0066343  Brassica nigra Fred M. Roberts, David E. Bramlet 2004-4-21 6041 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Flagpole Meadow in upper Shady Canyon, 1.63 km NW Sycamore Gate, 1.18 km W of Cristianitos Road. 168 Comment
  UCR96201  Brassica nigra B. G. Pitzer 1996-4-30 2808 Orange San Joaquin Hills, Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy) 15 Comment
  HSC6579  Brassica nigra Anonymous 1961-3-29 Orange Newport Beach above upper Newport Bay Comment
  UCR102002  Brassica rapa B. G. Pitzer 1997-3-25 3036 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  RSA482936  Brassica rapa Freda Detmers 1933-11-1 s.n. Orange Near Fullerton. Comment
  RSA5578  Brassica rapa C. B. Wolf 1932-6-28 s.n. Orange Bryant Ranch: along western half of north boundary of 40 acre Valencia orange grove at Bryant Ave. and Hansen Road. 9 Comment
  IRVC1017  Brassica rapa subsp. sylvestris J. Morgan 1965-2-21 Orange Corona del Mar, Bayside Dr. and Coast Hwy acrosss from Beacon Bay. Newport Beach Comment
  SEINET7907479  Brassicaceae G. A. Wojciechowski 1967-1 Orange San Juan Capistrano beside rd 610 Comment
  CAS-BOT-BC149398  Bromus berteroanus Helen D. Geis 1902-4-1 s.n. Orange Santiago Canon [Canyon]. Comment
  RSA731974  Bromus carinatus A. C. Sanders, Fred M. Roberts 2008-4-8 34751 Orange Peninsular Range; Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Loma Ridge Spur Rd., above Dripping Springs Loop Rd 457 Comment
  SD241668  Bromus carinatus A. C. Sanders 2008-4-29 35144 Orange Peninsular Range; Santa Ana Mountains: Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 miles SW of Santiago Reservoir (Black Star Canyon 7.5'Q) 334 Comment
  UCR193046  Bromus carinatus A. C. Sanders, Fred M. Roberts 2008-6-17 35486 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, West Loma Ridge Spur Road c. 1 km east of Sheriff's Training Facility and 1.6 km SW of Irvine Lake, between hwys 241 and 261 357 Comment
  CAS-BOT-BC149325  Bromus carinatus var. carinatus Le Roy Abrams 1903-4-18 3271 Orange Trabuco arroyo near Capistrano. Comment
  CAS-BOT-BC156202  Bromus catharticus I. L. Wiggins; J. H. Thomas 1962-6-27 308 Orange Near intersection of 18th and Main Streets, Santa Ana. Comment
  RSA0058186  Bromus diandrus Fred M. Roberts 2014-4-21 7870 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin. 113 Comment
  RSA385398  Bromus diandrus Barbara Hutchison 1941-5-3 s.n. Orange Los Angeles. Comment
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Oct 15 2013
  SD95150  Bromus grandis Jack l. Reveal 1975-7-18 1765 Orange Occasional on dry sites among boulders, riparian zone, Trabuco Canyon 550 Comment
  CAS-BOT-BC155491  Bromus hordeaceus Ira L. Wiggins 1966-4-22 20614 Orange Shoulder of pavement along Associated Road between Yorba Linda Boulevard and Imperial Highway. Comment
  UCR2233  Bromus hordeaceus F. M. Reed 1928-5-10 5884 Orange Laguna Canyon below lakes 91 Comment
  RSA735970  Bromus madritensis subsp. madritensis Scott D. White, Justin M. Wood 2008-4-21 11903 Orange Chino Hills State Park, N of 91 freeway, above Yorba Linda. 366 Comment
  IRVC29091  Bromus madritensis subsp. rubens Fred M. Roberts 1989-3-17 4206 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  UCSB47581  Bromus madritensis subsp. rubens Roberts, Fred 1980-4-3 Orange Along Hwy 74, 0.2 km SW of Orange-Riverside Co. line, 0.4 km NNE Lower San Juan Picnic Ground, San Juan Cyn; Santa Ana Mtns 128 Comment
  CAS-BOT-BC161817  Bromus rubens Ira L. Wiggins 1966-2-19 20455 Orange Carbon Canyon near Orange County Survey Bench Mark RCE 7872. Comment
  RSA737546  Bromus rubens Fred M. Roberts 2008-3-12 6715 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  UCD59511  Bromus rubens Beecher Crampton 1963-5-7 6791 Orange Ca. 11 miles northeast of San Juan Capistrano, State Hwy. 74, Lower San Juan Canyon, Santa Ana Mountains. Comment
  UCD59517  Bromus rubens Ira L. Wiggins 1966-3-4 20494 Orange Shoulder of Peralta Ave. near junction of Newport Freeway and Riverside Highway. Comment
  RSA590951  Bromus rubens Fred M. Roberts 1991-5-2 4775 Orange San Joaqui Hills, Laguna Canyon, Laguna Laurel, Just W of Laguna Canyon Road, 2km N jct El Toro Road, 4.5km E Signal Peak., UTM Z113718000mN, 4 29 200m E 110 Comment
  RSA735752  Bromus sterilis A. C. Sanders, Fred M. Roberts 2008-5-6 35235 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 280 Comment
  CDA22572  Bromus willdenowii J. B. Anderson 1966-4-16 586 Orange South Coast; Corona Del Mar: Buck Gully, Little Corona Beach Comment
  RSA484552  Cakile edentula F. R. Fosberg 1930-7-10 S- 3174 Orange Anaheim Landing. [Los Angeles Co. on label] 2 Comment
  RSA234487  Cakile maritima var. maritima James Henrickson 1970-7-24 5003 Orange 3 miles NW of Huntington Beach on sandy ''Rabbit'' Island in Bolsa Chica Salt March near Inner Bolsa Bay. Comment
  CAS-BOT-BC354307  Calandrinia breweri R. E. Riefner, Jr. 2008-3-5 08 -31 Orange Irvine Ranch Reserve, North Irvine Ranch, S of Windy Ridge Rd., ca 0.5 mi from West Fork of upper Fremont Canyon 508 Comment
  RSA737897  Calandrinia breweri R. E. Riefner 2008-5-20 08 -104 Orange Irvine Ranch Reserve, N Irvine Ranch, Wetern Fremont Canyon, Windy Ridge Road. 531 Comment
  SD234996  Calandrinia breweri A. C. Sanders, Fred M. Roberts, Amber ONeal 2008-5-9 35314 Orange Peninsular Range: Santa Ana Mountains; Weir Canyon, along fire line/bulldozer cut, c. 1.5 mi. east of Walnut Canyon Reservoir (Black Star Sanyon 7.5' Q) 345 Comment
  RSA279  Calandrinia ciliata J. T. Howell 1928-2-25 841 Orange Nolina Canyon, Rancho Santa Ana. 152 Comment
  RSA734813  Calandrinia ciliata A. C. Sanders, Fred M. Roberts 2008-3-25 34576 Orange Saddle on ridge near head of Weir Canyonm, 5.3 miles ENE of Villa Park, 3.1 mi. N of (Santiago Reservoir) Irvine Lake 405 Comment
  UC1136618  Calandrinia ciliata A. Lewis Mar 1934 344 Orange San Juan Hills Corona Quadrangle Comment
  SEINET6903103  Calandrinia ciliata Wanda P. Vestal, A. G. Vestal 1955-3-24 s.n. Orange Trabuco Canyon, about 5 miles east of El Toro. Comment
  CDA5114  Callistemon viminalis R. E. Riefner Jr. 2007-3-18 07 -139 Orange City of Newport Beach, north shore of Newport Bay, North Star Beach, general vicinity of North Star Lane and Polaris Drive. Comment
  SEINET6654150  Callistemon viminalis R. E. Riefner Jr. 2006-11-14 06 -674 Orange City of Irvine, San Diego Creek, vicinity of Campus Ave at University Dr.; 0 5 Comment
  RSA723962  Callistemon viminalis R. E. Riefner Jr. 2006-11-12 06 -559 Orange City of Newport Beach, Irvine Coast Trail at San Diego Creek, near SR-73 crossing, S of Jamboree Rd. 3 Comment
  SBBG133368  Callistemon viminalis R. E. Riefner Jr. 2007-4-1 07 -163 Orange Oso Crk, ca. 1.5 mi N from Paseo de Colinas St on Camino Capistrano St; City of Laguna Niguel 87 Comment
  RSA708813  Callitriche marginata Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6162 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  RSA610237  Callitriche marginata Fred M. Roberts, Tony Bomkamp, R. E. Riefner 1997-2-27 4979 Orange Costa Mesa: Fairview Park, 0.1 km W Canyon School. 24 Comment
  RSA731005  Calocedrus decurrens Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6507 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  RSA369028A  Calochortus Anstruther Davidson s.n. Orange [no location specified] Comment
  RSA220977  Calochortus catalinae E. W. Lathrop 1966-3-23 6098 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA777234  Calochortus catalinae Orlando Mistretta, Christine Mistretta 2010-4-23 5073 Orange Vicinity of Tonner Cyn. Along Southern Califonia Edison Transmission Line corridor (Segment 8, map sheet 83 per TRTP survey 2010) 338 Comment
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Feb 24 2018
  UCR192228  Calochortus catalinae A. C. Sanders, Fred M. Roberts 2008-5-6 35260 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  UCR209330  Calochortus catalinae Fred M. Roberts 2009-4-11 6886 Orange Lomas de Santiago, Loma Ridge, upper Dripping Springs Canyon, 0.9 km northeast of Bee Peak and 1.2 km west-northwest of Dripping Springs 448 Comment
  UCR215276  Calochortus catalinae Fred M. Roberts 2008-5-7 6938 Orange Lomas de Santiago, Limestone Ridge between Dripping Spring and Limestone Canyon, 3.5 km NW of Bolero Lookout and 1.7 km east of Bee Peak. Irvine Ranch Conservancy 481 Comment
  RSA649065  Calochortus plummerae D. E. Bramlet 2000-6-27 3063 Orange Fremont Canyon ridge road at crossing of Edison transmissionlines. NE of the old mine site, S of junction with Blind Canyon access road. 482 Comment
  UC337918  Calochortus plummerae unknown 1891-8-15 Orange Santa Ana Canyon Comment
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Feb 19 2014
  CAS-BOT-BC492707  Calochortus splendens A. M. White 1974-6-1 1429 Orange 20 Miles E of Santa Ana, N of Silverado Canyon 822 Comment
  CSUSB398  Calochortus splendens Richard G. Sullivan 1972-4-22 720422 7 Orange Laguna Hills Laguna Hills Comment
  RSA68633  Calochortus splendens Frank W. Peirson 1924-5-31 4669 Orange 5 miles southeast of Laguna Beach. Comment
  CAS-BOT-BC492698  Calochortus splendens P. C. Everett 1935-6-18 7199 Orange Santa Ana Mts., Main Divide Motorway; 7 miles from Santiago Peak 1310 Comment
  CAS-BOT-BC492705  Calochortus splendens Palmer Stockwell 1935-5-12 1216 Orange 7 miles E of Mission San Juan, Capistrano, on Elsinore Road Comment
  RSA0050043  Calochortus splendens Wendy Boes 2010-9-8 2009 -011 Orange Peninsular Ranges; Santa Ana Mountains; El Cariso 953 Comment
  CDA39277  Calochortus venustus R. G. Ahlefeld & R. L. Pope 1957-4-1 s.n. Orange Irvine Ranch. 0 Comment
  UCR193353  Calochortus weedii A. C. Sanders, Joshua M. Brokaw 2008-5-28 35427 Orange Peninsular Range; Santa Ana Mtns., upper Weir Canyon, along old dirt road west of Eastern Transportation Corridor, 1.65 mi. east of south end of Walnut Cyn Reservoir 372 Comment
  RSA0042761  Calochortus weedii J. Vlahos 1934-6-2 s.n. Orange Hills around Orange Co. Park. Comment
  NY1104588  Calochortus weedii var. intermedius L. Abrams 06 1901 1802 Orange Isabuco Canon [Isabuco Canyon] Comment
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Aug 7 2013
  RSA0013583  Calochortus weedii var. intermedius D. E. Bramlet 2008-5-22 4281 Orange Bee Cyn. Bowerman landfill site. 375m S of the Bee canyon access road. & 350m W of the active landfill. Comment
  RSA271148  Calochortus weedii var. intermedius C. W. Tilforth 1977-6-15 1344 Orange Rancho Santa Ana property in the area of Horseshoe Bend of the Santa Ana River, Santa Ana Canyon, north-east Orange County. Comment
  RSA588720  Calochortus weedii var. intermedius Fred M. Roberts, D. Bontrager 1990-6-5 4676 Orange Rancho Mission Viejo: Lower Canada Gobernidora, ca. 3.1 km W Point Rancho Survey Marker. 122 Comment
  RSA649066  Calochortus weedii var. intermedius D. E. Bramlet 2000-6-27 3064 Orange Fremont Canyon ridge road at crossing of Edison transmissionlines. NE of the old mine site, S of junction with Blind Canyon access road. 482 Comment
  RSA741726  Calochortus weedii var. intermedius R. E. Riefner 2008-6-11 8 -150 Orange Irvine Ranch Reserve, Fremont Canyon Conservation Easement, W Fremont Canyon, Coalmine SCE Rd. 366 Comment
  UCR203906  Calochortus weedii var. intermedius R. E. Riefner Jr. 2008-6-3 08- 138 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east fork of Fremont Canyon, Black Star SCE Road 622 Comment
  UCR219854  Calochortus weedii var. intermedius Fred M. Roberts 2008-6-3 7025 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, East Fork Rattlesnake Canyon, c. 2.3 km ENE Rattlesnake Reservoir spillway and 2.2 km ENE Bee Peak 217 Comment
  PASA2306  Calycadenia tenella Frank W. Peirson 1922-5-18 Orange Santa Ana River 121 Comment
  POM4959  Calycadenia tenella D. L. Crawford 1916-5-5 s.n. Orange Laguna Beach. Comment
  UCR113456  Calycadenia tenella R. E. Riefner Jr. 2000-5-6 20- 444 Orange Santa Ana Mountains, North Ranch Policy Plan Area, NE property, along powerline on National Forest boundary 582 Comment
  RSA696924  Calycadenia tenella Dorothy Parsons 1932-5-3 s.n. Orange Irvine Park. Comment
  UCR215290  Calyptridium monandrum Fred M. Roberts, D. E. Bramlet 2008-5-13 6954 Orange Santa Ana Mountains, upper Weir Canyon, central fork, 3.5 km NE of Robbers Peak 369 Comment
  IRVC987  Calystegia macrostegia subsp. cyclostegia M. Savage 1965-3-27 Orange Corona del Mar. Newport Beach Comment
  CAS-BOT-BC221303  Calystegia macrostegia subsp. intermedia B. Pitzer; M. Georgiady 1997-4-5 3079 Orange San Joaquin HIlls: Crystal Cove State Park, along No Dogs Trail to just below intersection with Poles Trail 152 Comment
  LA50068  Calystegia macrostegia subsp. intermedia C. B. Wolf; 1931-3-6 1865 Orange 2 mi. from Orange County Park on the road to Anaheim 152 Comment
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Feb 5 2015
  RSA697157  Calystegia occidentalis subsp. occidentalis R. H. McArthur 1934-4-14 s.n. Orange Laguna Canyon. Hillside. Comment
  JEPS47844  Calystegia sepium subsp. binghamiae Frank W. Peirson 1926-9-26 7086 Orange Wintersberg. Comment
  UC536955  Calystegia sepium subsp. binghamiae Lawrence M. Booth 1932-8-5 1359 Orange E of Huntington Beach (marsh border). Comment
  UCR118679  Camissonia A. C. Sanders, D. Malueg, K. D. Jones 2000-4-19 23341 Orange Pacific Coast, Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St. 11 Comment
  UCR190999  Camissonia bistorta A. C. Sanders, Fred M. Roberts 2008-4-22 35044 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, valley at south end of Loma Ridge and at head of Limestone Canyon, c. 2.5 miles SW of Silverado, above spring shown on topo map 457 Comment
  UCR193058  Camissonia bistorta A. C. Sanders, Fred M. Roberts 2008-6-17 35504 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, Windy Ridge Rd., saddle on ridge at head, above the Eastern Transportation Corridor 400 Comment
  HSC16447  Camissonia cheiranthifolia subsp. suffruticosa B. Francis 1964-5-2 43 Orange Newport Beach Comment
  POM180497  Camissonia cheiranthifolia subsp. suffruticosa L. R. Abrams 1917-6-23 6576 Orange Balboa Comment
  RSA454059  Camissonia cheiranthifolia subsp. suffruticosa Josephine Derigo 1941-7-5 s.n. Orange Laguna Beach. Comment
  HSC94213  Camissonia hirtella D. Atwood 1993-3-28 17714 Orange Bolsa Chica Ecological Reserve, California Dept. of Fish and Game. 0 Comment
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Jul 14 2012
  RSA585054  Camissonia hirtella D. Atwood 1993-3-28 17714 Orange Bolsa Chica Ecological Reserve, California Dept. of Fish and Game. 0 Comment
  UCR271006  Camissonia lewisii Mitch Provance, Travis Kegel 2016-4-8 416- 57 Orange Coastal Regions of Southern California, Newport Beach, W of the W end of 16th Street, and E of the Banning Oil Fields 32 Comment
  RSA794325  Camissonia robusta Justin M. Wood 2010-3-31 1442 Orange [Santa Ana Canyon:] Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  JEPS31711  Camissonia strigulosa Alice King March, 1908 Orange Anaheim Plains Comment
  RSA509  Camissonia strigulosa J. T. Howell 1928-4-7 900 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  UCR281558  Camissoniopsis bistorta Mitch Provance, Jeremiah George 2017-3-20 317- 113 Orange West Coyote Hills, Fullerton, vicinity of Utility Access Roads E of Gilbert Street and N of Castlewood Dr., on land previously occupied by oil fields. 137 Comment
  CAS-BOT-BC160448  Camissoniopsis cheiranthifolia subsp. suffruticosa David D. Keck 1933-9-21 2523 Orange Sunset Beach Comment
  JEPS31764  Camissoniopsis cheiranthifolia subsp. suffruticosa Alice King 1908-1 Orange Newport Comment
  UC635393  Camissoniopsis cheiranthifolia subsp. suffruticosa H. L. Mason 1926-4-25 2919 Orange five mi s Laguna Comment
  SDSU3372  Camissoniopsis ignota H. L. Wedberg 1958-3-30 180 Orange Across Hwy 74 from sign, 'Lower San Juan Campground', about 50 feet up small canyon from road. Comment
  UC635403  Camissoniopsis intermedia H. L. Mason 1926-4-25 2926 Orange 5 mi s Laguna Comment
  IRVC1059  Capsella bursa-pastoris I. L. Wiggins 1966-2-25 20445 Orange Yorba Linda Blvd. near Associated Ave.; roadside near orange grove, full sun. Fullerton Comment
  LA204276  Cardamine californica W. Pequegnat; 1938-3-19 sn Orange Santa Ana Mts. (60deg ENE) 152 Comment
  RSA369328  Cardamine californica var. integrifolia Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  POM187376  Cardaria chalepensis Ed Johnson s.n. Orange Westminster. Comment
  RSA23656  Cardaria draba E. R. Johnson 1939-4-25 9496 Orange Santa Ana Canyon, Rancho Santa Ana, along Santa Fe RR tracks. 122 Comment
  HSC94252  Cardionema ramosissimum D. Atwood 1993-3-27 17689 Orange Corona Del Mar State Park along Newport Coast Drive. 0 Comment
  RSA747710  Cardionema ramosissimum Fred M. Roberts 2008-4-16 6913 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8 km W Marine Institute, Dana Point Harbor. 60 Comment
  UCSB48057  Cardionema ramosissimum Fritzke, S.; Roberts, Fred 1982-4-3 Orange Dana Point Headlands: north of Dana Strand Road; 0.5 km. W Dana Point Harbor; 0.8 km. SSW Richard Henry Dana School 80 Comment
  SEINET10495945  Carissa macrocarpa David B. Dunn 1971-8-13 Dunn 18121 Orange Cultivated plants vicinity of Laguna Beach, CA. Comment
  UCR42449  Carpobrotus chilensis A. C. Sanders 1986-5-31 6530 Orange Southern Coast, Balboa Island at Newport Beach. Dunes at the back edge of the beach, from 6th St. S to the harbor entrance 1 Comment
  UCSB37841  Carthamus baeticus Dell O. Clarke 1969-7-14 Orange collected 2.0 mi NE La Brea Comment
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Nov 6 2019
  CDA35524  Carthamus creticus Ed Finley 1988-4-2 s.n. Orange Tonner Canyon, off Highway 57. 0 Comment
  RSA732124  Castilleja affinis A. C. Sanders, Fred M. Roberts 2008-4-8 34759 Orange Peninsular Range; Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Loma Ridge Spur Rd., above Dripping Springs Loop Rd. 457 Comment
  UCR191447  Castilleja affinis A. C. Sanders, Fred M. Roberts 2008-4-8 34759 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Loma Ridge Spur Rd., above Dripping Springs Loop Rd. 457 Comment
  UCR228782  Castilleja affinis Dick Newell, Don Millar 2011-5-3 143 Orange Coastal Plains, San Joaquin Hills, Laguna Canyon Wilderness Park, Willow Trail 160 Comment
  JEPS57262  Castilleja affinis subsp. affinis L. R. Heckard and R. C. Bacigalupi 1968-5-8 1834 Orange ca 7.5 mi ne San Juan Capistrano (along San Juna Valley road) 30 Comment
  RSA221095  Castilleja applegatei subsp. martinii E. W. Lathrop 1966-5-1 6254 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland Nat'l Forest, Santa Ana Mountains. 396 Comment
  RSA305821  Castilleja applegatei subsp. martinii James R. Shevock 1970-4-25 160 Orange Near Irvine Lake. 305 Comment
  UC138961  Castilleja densiflora subsp. gracilis LeRoy Abrams 1903-4-18 3266 Orange near Capistrano Comment
  SD181334  Castilleja foliolosa Valeria Soza, LeRoy Gross 1999-6-10 520 Orange Santa Ana Mountains; southwestern extension of Modjeska Peak, off dirt road to summit, off Main Divide Road, near ridgetop 1554 Comment
  RSA512755  Castilleja minor subsp. spiralis Walter Wisura, Bart O'Brien, Durant 1990-6-12 4448 Orange Along forest rd. 3SO4 fr. 2.15 miles Ortega Hwy. to Santiago Peak. Comment
  UCR14364  Castilleja minor subsp. spiralis Steve Kulju 1974-5-27 s.n. Orange Peninsular Range; Santa Ana Mtns, San Juan Canyon, 16 mi SW of Lake Elsinore on State Hwy 74 488 Comment
  RSA429526  Caulanthus heterophyllus Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  RSA542653  Caulanthus heterophyllus Fred M. Roberts 1988-3-9 3843 Orange Laguna Beach, Goff Ridge, along Nyes Place, 0.9km NE Goff Island. 169 Comment
  UC1070888  Ceanothus R. St. John 1931-3-17 196 Orange N of Sierra Peak 609 Comment
  UC1071518  Ceanothus A. Lewis Mar 1934 372 Orange w Mojeska Peak; Cleveland National Forest, Corona Quad. Comment
  UC1925887  Ceanothus Donald G. Nelson 1935-7-9 222 Orange San Juan Canyon. Comment
  CAS-BOT-BC48490  Ceanothus crassifolius D. O. Burge 2007-3-22 805 b Orange Santa Ana Mountains, Cleveland National Forest, 2.3 road miles (3.7 km) from Hwy 74 on USFS Road 3S04, Comment
  RSA1443  Ceanothus crassifolius J. T. Howell 1929-1-24 1219 Orange near crest of Santa Ana Mts. south of Sierra Peak. 762 Comment
  RSA14727  Ceanothus crassifolius E. R. Johnson 1935-2-21 s.n. Orange Santa Ana River Bottom. Rancho Santa Ana. Comment
  RSA172250  Ceanothus crassifolius Robert F. Thorne 1963-7-26 32829 Orange Santa Ana Mts., Cleveland National Forest, Trabugo District. 1189 Comment
  RSA398894  Ceanothus crassifolius E. Crow 1929-2-22 160 Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  UCR220303  Ceanothus crassifolius Dick Newell, Don Millar 2010-3-2 009 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lakeview Rd. at junction with Edison Rd., c. 1.9 mi. NE of Irvine Lake 625 Comment
  SD247715  Ceanothus crassifolius R. F. Thorne, C. W. Tilforth, E. W. Lathrop. 1977-4-27 49698 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  RSA797906  Ceanothus integerrimus Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49816 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  UCR139232  Ceanothus integerrimus Percy C. Everett 1935-6-18 7214 Orange Santa Ana Mtns., summit of Santiago Peak 1732 Comment
  SD42450  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-8-15 11153 Orange Santa Ana Mts. W. slope Santiago Truck Trail, 1.6 mi. below Main Divide Motorway 1219 Comment
  UCSB47641  Ceanothus leucodermis Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail on fire break, 1.6km WNW Trabuco Peak, Santa Ana Mtns., 1295 Comment
  RSA698619  Ceanothus megacarpus Dorothy Sammis s.n. Orange Trabuco Canyon. Comment
  SD247716  Ceanothus megacarpus R. F. Thorne, C. W. Tilforth, E. W. Lathrop. 1977-4-27 49675 Orange Northern Santa Ana Mountains: Coal canyon [NW of Sierra Peak]. 456 Comment
  SBBG4382  Ceanothus megacarpus var. megacarpus M. Van Rensselaer 1941-12-7 1748 Orange facing the sea and overlooking S Laguna, ca. 3 mi S of Laguna Beach Comment
  UC1070883  Ceanothus megacarpus var. megacarpus A. Lewis 1934-3-1 366 Orange 2.5 mi w Sierra Peak; Corona quad. 609 Comment
  UCD169752  Ceanothus oliganthus R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49701 Orange Northern Santa Ana Mountains: Sierra Peak. 899 Comment
  CAS-BOT-BC63563  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1941-8-15 11157 Orange Santa Ana Mts. along main divide motorway just no. of head of Trabuco truck trail. 1219 Comment
  JEPS42415  Ceanothus oliganthus var. sorediatus Frank W. Peirson 1925-4-10 Orange along rd Silverado Canyon 609 Comment
  RSA488123  Ceanothus oliganthus var. sorediatus Fred M. Roberts, Karlin G. Marsh 1984-2-15 1186 Orange Caspers Regional Park, south rim of Lucas Canyon along Rancho Carrillo Rd., 4.2 km NE Visitor Center; 0.2 km NW Lucas Survey Marker. 420 Comment
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Sep 17 2014
  HSC46608  Ceanothus papillosus var. roweanus Christopher Davidson 1977-5-18 5598 Orange Santa Ana Mts. Cleveland Nat. Forest. Pleasants Peak (on Orange-Riverside Co. line) 1220 Comment
  RSA399811  Ceanothus papillosus var. roweanus Albert J. Perkins 1917-4-21 s.n. Orange Santiago Peak. South side. Comment
  RSA716773  Ceanothus papillosus var. roweanus Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill 2004-6-19 6064 Orange Snta Ana Mtns.: Holy Jim Cyn.: Holy Jim Trail, 2.0 km SE summit of Santiago Peak. 988 Comment
  CAS-BOT-BC53004  Ceanothus spinosus Le Roy Abrams 1901-6-16 1854 Orange Trabuco Canyon Comment
  CAS-BOT-BC53006  Ceanothus spinosus Carl B. Wolf 1941-6-27 10896 Orange Santa Ana Mts., San Juan Canyon, Ortega Highway 1 5/10 mi. W. of Riverside Co. line 274 Comment
  POM305816  Ceanothus spinosus Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1043 Orange Capistrano Canyon. Comment
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Dec 17 2011
  RSA77487  Ceanothus spinosus F. W. Peirson 1925-4-10 5742 Orange In Silverado Canyon. 610 Comment
  RSA77337  Ceanothus tomentosus F. W. Peirson 1922-5-19 3050 Orange small canyon heading eastward from the Santa Ana River Canyon 122 Comment
  UC1281278  Ceanothus tomentosus H. E. McMinn 1935-6-22 3927 Orange w Covina; Santa Ana Mountains, w of Covina Comment
  UCR263637  Ceanothus tomentosus Ed Kentner 2012-5-22 139 Orange Santa Ana Mountains, Irvine Ranch Conservancy, Fremont Canyon Reserve north side of windy Ridge Road 500 Comment
  IRVC576  Centaurea melitensis J. B. Anderson 1966-4-22 611 Orange Upper Los Trancos Canyon. San Joaquin Hills Comment
  UC30921  Centaurea melitensis C. W. Hamlin 1896-1 Orange Buena Park Comment
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Apr 30 2008
  RSA657738  Centaurea melitensis Ken Greby 1985-5-17 30 Orange On hillsides behind PG and E substation located 2 km. SE from Laguna Canyon Rd., on El Toro Rd., adjacent to Leisure World. Comment
  RSA721128  Centaurea melitensis Kenneth Beard s.n. Orange East of S. A. River on Edinger Road Comment
  SD245254  Centaurea melitensis R. F. Thorne, W. E. Lathrop, W. Wisura 1977-7-8 49610 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station. Comment
  RSA23655  Centaurea repens E. R. Johnson 1939-4-25 9497 Orange Santa Ana Canyon. Rancho Santa Ana , along Santa Fe R.R. tracks south of Exp. citrus plot. 122 Comment
  RSA551  Centaurium venustum J. T. Howell 1927-6-2 15 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA0040038  Centranthus ruber Anonymous 1933-10-13 s.n. Orange Santa Ana. Comment
  CAS-BOT-BC288839  Centromadia parryi subsp. australis Adrian Wolf 1998-7-1 410 Orange South Coast: Peters Canyon Channel, E of channel near Harvard Ballfield, between Harvard Ave and creek, S of Warner Ave to Barranca 15 Comment
  UCR191015  Cerastium glomeratum A. C. Sanders, Fred M. Roberts 2008-4-22 35032 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  RSA698630  Cercocarpus betuloides Dorothy Sammis s.n. Orange Silverado Canyon Comment
  UCR100180  Cercocarpus betuloides Scott D. White 1996-12-20 4637 Orange Santa Ana Mountains, above Modjeska Canyon; proposed water tank site 488 Comment
  CAS-BOT-BC142125  Cercocarpus betuloides var. betuloides Munz; Street; Williams 1919-5-3 2626 Orange Santa Ana River Canyon Comment
  RSA0014996  Cercocarpus betuloides var. betuloides Fred M. Roberts 2008-5-14 6963 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Canyon below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 381 Comment
  SD132983  Cestrum nocturnum A. C. Sanders 1990-10-6 10187 Orange Newport Bay, North Star County Beach area on the SW end of the bay, ca. 2 km inland of Hwy 1. 0 Comment
  CAS-BOT-BC279503  Chaenactis artemisiifolia P. A. Munz 1923-6-14 7057 Orange Santa Ana Mts., Glen Ivy Trail to Santiago Peak 1066 Comment
  RSA443827  Chaenactis artemisiifolia Gordon Marsh, Karlin G. Marsh 1978-5-20 s.n. Orange Coal Canyon; W slope of main canyon near center of acreage Comment
  UCR192737  Chaenactis artemisiifolia A. C. Sanders, Fred M. Roberts 2008-5-6 35224 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon, just above tollway (Hwy 241) crossing on Irvine Haul Rd., near debris basin 216 Comment
  RSA627556  Chaenactis artemisiifolia Sandy Leatherman, Fred M. Roberts, Trish Smith 1998-5-23 24 Orange Black Star Canyon: Spur Road off of Black Star Canyon Road. Area burned during spring 1998 400 Comment
  RSA734852  Chaenactis glabriuscula A. C. Sanders, Mitch Provance 2008-5-20 35415 Orange Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 345 Comment
  RSA749647  Chaenactis glabriuscula D. E. Bramlet 2008-5-9 4266 Orange Ridgeline between the upper two tributaries of Wier Cyn. 1.2km east of S. Serrano Ave & 1.3km west of Gypsum Cyn. 330 Comment
  UCR92597  Chaenactis glabriuscula F. M. Reed 1926-4-14 5290 Orange South Coast, Arch Beach, near South Laguna 15 Comment
  RSA695673  Chaenactis glabriuscula L. C. Hull 1934-4-29 s.n Orange Trabuco Canyon Comment
  CAS-BOT-BC283936  Chaenactis glabriuscula var. glabriuscula John Thomas Howell 1927-6-2 2411 Orange Southern Puente Hills in the Santa Ana Canon [Santa Ana Canyon] 152 Comment
  POM122612  Chaenactis glabriuscula var. glabriuscula Marcus E. Jones 1926-3-10 s.n. Orange Near Santa Ana Canyon. Comment
  POM202372  Chaenactis glabriuscula var. glabriuscula L. M. Booth 1932-5-18 1056 Orange Newport Bay. Comment
  RSA542246  Chaenactis glabriuscula var. glabriuscula Fred M. Roberts 1988-3-15 3872 Orange Rancho Mission Viejo: Central Gabino Canyon, 7km E Playa Survey Marker, 162 Comment
  RSA747702  Chaenactis glabriuscula var. glabriuscula Fred M. Roberts 2008-5-16 6975 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA749520  Chaenactis glabriuscula var. glabriuscula Fred M. Roberts, David E. Bramlet, Megan Lulow 2008-4-4 6845 Orange Lomas de Santiago: Loma Ridge, along East Lomas Ridge Rd., 0.7 km E Bee Peak, Irvine Ranch Conservancy. 509 Comment
  POM294107  Chaenactis glabriuscula var. megacephala Lyman Benson 1946-4-27 12053 Orange Corona Del Mar; Drainage area: Pacific Ocean. 15 Comment
  RSA648946  Chamaesyce albomarginata Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-25 62 Orange 1/2 mile south of Chino Hills State Park Boundary. 228 Comment
  RSA658686  Chamaesyce albomarginata Sandy Gray 1981-04 8 Orange Hwy 142, 5miles west of Carida 3 miles east. Riverbank-across Riverbank Comment
  RSA734739  Chamaesyce albomarginata L. C. Wheeler 1946-8-8 6225 Orange Imperial Highway 1/4 mi. west of Caroline Ave, 2 mi. east southeast of Brea. Comment
  POM2789  Chamaesyce polycarpa var. polycarpa D. L. Crawford 1916-5-5 s.n. Orange Laguna Beach. Comment
  POM2858  Chamaesyce polycarpa var. polycarpa D. L. Crawford s.n. Orange Aliso Pt. (Laguna Beach region) Comment
  RSA542539  Chamaesyce polycarpa var. polycarpa Fred M. Roberts, Dar A. Roberts 1989-3-22 4221 Orange Aliso-Wood Canyons Regional Park: Wood Canyon, 3.6 km S Moulton Peak. 43 Comment
  RSA554078  Chamaesyce serpens Scott D. White 1992-5-29 864 Orange Vicinity of city of Brea, immediately N of Carbon canyon Road & E of Placentia Avenue. +-1 mi. (airline) S/SE of Tonner Canyon. 183 Comment
  UCSB48215  Cheilanthes covillei Roberts, Fred 1981-5-3 Orange Santa Ana Mtns.: Lower Hot Springs Canyon, 0.7km by road N of San Juan Guard Station 244 Comment
  IRVC19189  Cheilanthes newberryi Gordon A. Marsh, K. G. Marsh 1983-10-23 Orange Canyon Acres Canyon; in crevices on cliff north of creek. Laguna Beach Comment
  IRVC20363  Cheilanthes newberryi Fred M. Roberts, D. A. Roberts 1983-3-22 936 Orange San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains 407 Comment
  UC1221019  Cheilanthes newberryi Beecher Crampton 1963-5-7 6788 Orange ca. 11 mi ne San Juan Capistrano (State Hwy 74, Lower San Juan Canyon); Santa Ana Mts, Lower San Juan Canyon Comment
  UCD137350  Cheilanthes newberryi Beecher Crampton 1963-5-7 6788 Orange Santa Ana Mountains, Lower San Juan Canyon, ca. 11 miles northeast of San Juan Capistrano, State Hwy. 74. Comment
  POM9098  Cheilanthes newberryi P. A. Munz, R. D. Harwood 1920-4-24 3763 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  RSA685772  Cheilanthes newberryi T. R. Pray 1961-2-14 1824 Orange San Juan Canyon along Ortega Hwy, near bridge just west of Cleveland National Forest Comment
  UC1543076  Chenopodium Donald G. Nelson 1936-5-29 428 Orange S. Grand Ave. s Buena Park; Bob Barnes Ranch Comment
  UCR207554  Chenopodium O. F. Clarke 2004-11-23 s.n. Orange South Coast, Newport Back Bay 3 Comment
  CAS-BOT-BC426293  Chenopodium album Ira L. Wiggins 1966-5-25 20664 Orange Parkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton Comment
  RSA725963  Chenopodium album R. E. Riefner 2006-10-8 06 -484 Orange South Coast: Irvine, San Diego Creek near 405 Freeway, between 405 and Laguna Rd. 51 Comment
  RSA731927  Chenopodium album Fred M. Roberts, Sandy Leatherman 2007-11-27 6683 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  CDA25888  Chenopodium ambrosioides Mark A. Elvin, B. S. Nerhus 2006-11-4 5246 Orange Southern Coastal; Huntington Beach; 1.5 km southwest of Wintersburg, southwest of junction Slater and Goldenwest; Shipley Nature Center. Comment
  POM201964  Chenopodium ambrosioides L. M. Booth 1932-7-25 1312 Orange Santa Ana River, 1 1/2 miles from ocean. Comment
  RSA696276  Chenopodium ambrosioides Keith E. Hoffmaster 1934-7-3 s.n. Orange near Costa Mesa Comment
  RSA64759  Chenopodium ambrosioides var. ambrosioides F. W. Peirson 1924-8-29 5079 Orange 6 miles from Balboa on road inland along creek. Comment
  POM201965  Chenopodium berlandieri var. sinuatum L. M. Booth 1932-6-29 1228 Orange Newport Bay. Comment
  RSA264  Chenopodium berlandieri var. sinuatum J. T. Howell 1927-7-27 490 Orange Near ranch houses, Rancho Santa Ana 152 Comment
  RSA725467  Chenopodium berlandieri var. sinuatum Fred M. Roberts, Megan Lulow 2007-7-30 6551 Orange Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area. 253 Comment
  RSA747623  Chenopodium californicum Fred M. Roberts 2008-4-16 6909 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor. 45 Comment
  RSA793261  Chenopodium macrospermum R. F. Thorne 1984-1 s.n. Orange Newport Back Bay Comment
  RSA734918  Chenopodium multifidum A. C. Sanders, Fred M. Roberts 2008-6-17 35476 Orange Peninsular Range; Santa Ana Mtns: Lomas de Santiago, Augustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 260 Comment
  RSA749362  Chenopodium murale Fred M. Roberts 2008-4-15 6901 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., east ridge, Conservation Trail, 1.6 km ESE Rattlesnake Reservoir dam and 2.7 km WSW Bee Peak, Irvine Ranch Conservancy. 172 Comment
  SD152882  Chenopodium murale Steve Boyd, Tim Ross 1992-5-19 7429 Orange Southern Santa Ana Mountains, western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo. 365 Comment
  POM202236  Chenopodium murale L. M. Booth 1932-5-12 1000 Orange Newport Bay. Comment
  SD136860  Chenopodium murale Steve Boyd, Tim Ross 1994-9-14 8347 Orange San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon Trailat stream crossing in Aliso Canyon. 341 Comment
  RSA86738  Chloris gayana F. W. Peirson 1926-9-26 7087 Orange Wintersburg. Comment
  CAS-BOT-BC497716  Chlorogalum pomeridianum Le Roy Abrams 1901-6-1 1782 Orange Laguna Comment
  RSA0036641  Chlorogalum pomeridianum var. pomeridianum Robt. Allen 2009-3-29 s.n. Orange Peninsular Ranges; Santa Ana Mountains region: Near Santiago Canyon. Rancho Sonado (Orange County Department of Education). Entrance is along Santiago Canyon Road, 0.23 miles NW of turnoff to Williams Canyon, 1.55 air miles SE of turnoff to Silverado, Canyon. Wild Bill Trail. 364 Comment
  UCR147627  Chorizanthe parryi var. fernandina Helen D. Geis 1902-3 541 Orange Coastal Plains & Basins; South Coastal Plain region, 'hills near Santa Ana Comment
  CAS-BOT-BC257199  Chorizanthe procumbens Clare B. Hardham 1962-4-4 8944 Orange Dana Point - (Beach) Comment
  UCR4086  Chorizanthe procumbens Carole Sims 1965-3-28 s.n. Orange South Coastal Plains, Salt Creek Road off Pacific Coast Highway, between South Laguna and Dana Point 18 Comment
  CAS-BOT-BC255254  Chorizanthe staticoides Agnes M. Bowman 1899-6-1 s.n. Orange Santiago Cr. Comment
  CAS-BOT-BC255256  Chorizanthe staticoides John Thomas Howell 1927-6-8 2455 Orange Southern Puente Hills in the Santa Ana Canyon 182 Comment
  CLARK-A1528-3607  Chorizanthe staticoides John C. Roos 1937-5-21 1804 Orange Lemon Heights Comment
  JEPS57639  Chorizanthe staticoides Lawrence M. Booth 1932-5-12 1031 Orange Newport Bay. Comment
  UCR192739  Chorizanthe staticoides A. C. Sanders, Fred M. Roberts 2008-5-6 35221 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon, just above tollway (Hwy 241) crossing on Irvine Haul Rd., near debris basin 216 Comment
  RSA639979  Chrysanthemum coronarium L. C. Wheeler 1947-5-3 6474 Orange Newport Bay. Comment
  RSA773518  Cirsium occidentale var. occidentale Fred M. Roberts 1999-5-3 5208 Orange Lomas de Santiago: Loma Ridge, Central Limestone Canyon, west slope, 2.3 km NW Bolero Lookout and 0.5 km NE Bolero Spring 446 Comment
  RSA737488  Cistanthe monandra D. E. Bramlet 2008-5-16 4277 Orange Agua Chinon Wash. Site is located in an ephemeral tributary 91m NW of the access road and 1.74km NE of Hwy 241 274 Comment
  CAS-BOT-BC162647  Clarkia E. W. Lathrop 1974-6-27 7408 Orange 5 miles est of Trabuco Oaks, Trabuco Canyon, Cleveland Nat'l. Forest, Santa Ana Mountains 396 Comment
  POM153245  Clarkia bottae C. L. Hitchcock 1928-5-5 49 Orange Mouth of Santa Ana Canyon. 150 Comment
  RSA500  Clarkia bottae J. T. Howell 1927-6-17 155 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA73302  Clarkia bottae F. W. Peirson 1924-5-31 4661 Orange Laguna Canyon, near Laguna Beach. 61 Comment
  RSA631396  Clarkia deflexa Valerie L. Soza, LeRoy Gross 1999-6-7 475 Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  UCR26961  Clarkia deflexa E. W. Lathrop 1966-5-13 6293 Orange Santa Ana Mountains, 5 mi east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest 400 Comment
  UCR192223  Clarkia purpurea A. C. Sanders, Fred M. Roberts 2008-5-6 35275 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Limestone Canyon, 2.9 mi. NNW of El Toro 379 Comment
  RSA511063  Clarkia purpurea subsp. purpurea S. J. Myers 1989-5-4 s.n. Orange Near Horsetrough Spring at the head of Black Star Canyon, Santa Ana Mountains. 640 Comment
  RSA16420  Clarkia purpurea subsp. quadrivulnera Percy C. Everett 1935-5-19 6872 Orange Santa Ana Mountains, Baker Canyon, West Ladd Truck trail. 305 Comment
  RSA448336  Clarkia rhomboidea Albert J. Perkins 1914-6-14 s.n. Orange Santiago Peak trail Comment
  SFV16197  Claytonia perfoliata R. K. Stachelek, B. Anderson, F. Schropshire 1995-3-1 46 Orange Newport Beach, Upper Newport Bay on Back Bay Drive about 0.5 miles north of Shellmaker Island. Mesic roadside at base of coastal bluff adjacent to semi-disturbed coastal sage scrub area. Comment
  CAS-BOT-BC439945  Claytonia perfoliata subsp. mexicana C. B. Wolf 1931-3-6 1853 Orange Trabuco Camp Ground, Trabuco Canyon, west slope of the Santa Ana Mts. 609 Comment
  RSA184092  Claytonia perfoliata subsp. mexicana I. L. Wiggins 1966-3-22 20548 Orange Silverado Canyon about 5 miles above Ranger Station, Cleveland National Forest. Comment
  UC2042140  Clematis lasiantha R. F. Thorne and C. W. Tilforth, E. W. Lathrop 1977-4-27 49689 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  RSA5332  Clematis ligusticifolia B. D. Stark 1933-6-3 s.n. Orange Rancho Santa Ana near pear orchard 122 Comment
  RSA698567  Clematis pauciflora Minor Warne 1934-4-21 s.n. Orange Blackstar Canyon Laguna Canyon Forks. Comment
  UCR209671  Clematis pauciflora Fred M. Roberts 2008-4-16 6904 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 45 Comment
  POM2489  Cleome isomeris P. A. Munz 1918-5-5 2188 Orange Laguna Beach. Comment
  RSA602641  Cleome isomeris B. Pitzer 1996-4-30 2796 Orange San Joaquin Hills Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy). 15 Comment
  RSA607432  Cleome isomeris L. C. Wheeler 1932-6-25 868 Orange Newport Bay. 3 Comment
  JEPS117747  Clinopodium chandleri Mark A. Elvin, A. C. Sanders 2005-9-2 4499 Orange Santa Ana Mtns: Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Comment
  UCSB48359  Cneoridium dumosum Roberts, Fred 1982-6-30 Orange Laguna Niguel: Pacific Island Dr., Niguel Hill, 2.0km SE Aliso Peak; 1.3km E Bench Mark 133 39 Comment
  RSA542502  Collinsia heterophylla Bernard Jaroslow 1989-5-29 B- 28 Orange Above upper Santiago Creek. Comment
  RSA0117394  Collinsia parryi Fred M. Roberts, K. Nowak 1995-4-19 4927 Orange Lower Hot Springs Canyon, San Juan Trail, 0.4 km NNW Juan Rancho Survey Mark. 396 Comment
  RSA751187  Conium maculatum A. C. Sanders, Fred M. Roberts 2008-6-17 35455 Orange Lomas de Santiago, Hicks Canyon Haul Road 0.5 mi. east of the Foothill Transportation Corridor 244 Comment
  SEINET8584808 Image available Conium maculatum T. C. Arambula 1966-1 53 Orange Brea, Carbon Canyon Rd Comment
  UCR186683  Conium maculatum T. B. Salvato, Katie Kurtz, Mitch Provance 2006-10-15 1904 Orange South Coast, Irvine, San Diego Creek flood control channel, between Campus Drive and Michelson Drive 6 Comment
  UCR73105  Conium maculatum Scott D. White 1992-9-23 861 Orange Vicinity of Olinda, near city of Brea, immediately north of Carbon Canyon Road and east of Placentia Ave.; c. 1 mi. (airline) SSE of Tonner Canyon 183 Comment
  RSA470554  Conium maculatum Albert J. Perkins 1914-6-20 s.n. Orange Santa Ana. Comment
  RSA699124  Conium maculatum J. Vlahos 1934-6-9 s.n. Orange Santa Ana River by Fairview. Comment
  IRVC966  Convolvulus arvensis L. McCabe 1965-4-13 Orange Corona del Mar. Newport Beach Comment
  SD143549  Convolvulus arvensis R. D. Goeden, D. W. Ricker 1965-6-15 12482 UC Orange Santiago Blvd., Villa Park. 91 Comment
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Jul 11 2010
  SD143550  Convolvulus arvensis R. D. Goeden, D. W. Ricker 1965-6-15 12481 UC Orange Northwest of El Toro: Tustin Township, near Borrego Canyon Wash, southeast edge of El Toro Marine Corps Air Station. 106 Comment
  RSA610239  Convolvulus simulans Fred M. Roberts, Tony Bomkamp 1997-3-13 4982 Orange Rancho Mission Viejo: Christianitos Canyon, 4 km ESE Viejo Survey Mark. 5 Comment
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Oct 20 2011
  CAS-BOT-BC285928  Conyza bonariensis Ira L. Wiggins 1965-11-5 20321 Orange Near corner of Dowling St. and Crowther Ave., Placentia Comment
  POM201740  Conyza bonariensis L. M. Booth 1932-6-9 1181 Orange Newport Bay Comment
  RSA5968  Conyza canadensis C. B. Wolf 1932-9-13 4041 Orange Bryant Ranch, dike at east side of San Gabriel River Flood Control, at North boundary of ranch 6 Comment
  UCR220081  Conyza coulteri Dick Newell, Don Millar 2010-9-15 039 Orange South Coast, Newport Beach, Back Bay Science Center, Shellmaker Island, 0.08 mi. west of Back Bay Drive 3 Comment
  UCR241916  Conyza coulteri Fred M. Roberts, Lee Ann Caranza 2009-9-23 7162 Orange Southern Coastal Plain, Dana Point, Dana Point Headlands, CNLM Dana Point Preserve, old Marguerite Road bed just west of the Nature Center and just east of the terminus of Dana Strands Road, 0.7 km west pier, Dana Point Harbor 73 Comment
  RSA725587  Conyza floribunda Fred M. Roberts 2007-8-6 6561 Orange San Joaquin Hills: Laguna Beach, Laguna Cyn. on east side of Laguna Cyn. Rd. adj. to dog park, 1.2 km S (air) from El Toro Road and 1.8 km WSW Moulton Survey Mk. 52 Comment
  RSA725944  Conyza floribunda R. E. Riefner 2006-10-8 06 -481 Orange South Coast: Irvine, San Diego Creek near 405 Freeway, between 405 and Laguna Rd. 51 Comment
  UCR179759  Conyza floribunda R. E. Riefner Jr. 2006-10-8 06- 481 Orange South Coast, Irvine, San Diego Creek near 405 Freeway, between 405 and Laguna Road 51 Comment
  UCR179769  Conyza floribunda R. E. Riefner Jr. 2003-12-13 03- 503 Orange South Coast, Los Alamitos, San Gabriel River, vicinity of Chestnut St. and Cerritos Ave. 11 Comment
  UC537013  Cordylanthus maritimus subsp. maritimus Lawrence M. Booth 1932-7-19 1273 Orange Bolsas Marsh Comment
  JEPS6777  Cordylanthus rigidus subsp. setiger John Thomas Howell 1927-6-26 2599 Orange Claymine Canyon Santa Ana Mts 365 Comment
  UC284871  Cordylanthus rigidus subsp. setiger P. A. Munz 1923-9-7 7745 Orange Santiago Peak Santa Ana Mts. 1645 Comment
  CDA25730  Coreopsis tinctoria A. C. Sanders, Fred M. Roberts 2008-8-7 35981 Orange Peninsular Range; Santa Ana Mountains.; Lower Weir Canyon, at narrow gorge c. 0.6 mile above mouth of canyon at Irvine Ranch gate. Comment
  RSA749039  Coreopsis tinctoria A. C. Sanders, Fred M. Roberts 2008-8-7 35981 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 Comment
  UCR195010  Coreopsis tinctoria A. C. Sanders, Fred M. Roberts 2008-8-7 35981 Orange Peninsular Range; Santa Ana Mtns., lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate 192 Comment
  HSC5418  Corethrogyne filaginifolia J. W. Johnson 1961-2-19 Orange Newport Beach, marine terrace above upper Newport Bay. Comment
  RSA752895  Corethrogyne filaginifolia A. C. Sanders, Fred M. Roberts 2008-8-7 35970 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 Comment
  UC536949  Corethrogyne filaginifolia Lawrence M. Booth 1932-7-29 1332 Orange Newport Bay Comment
  UCSB52401  Corethrogyne filaginifolia Roberts, Fred 1982-9-15 Orange Rancho Mission Viejo; Rte. 74, 6.6 km. by road ENE San Juan Capistrano; 0.9 km. Viejo Peak 93 Comment
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Jan 25 2020
  PASA1814  Corethrogyne filaginifolia Frank W. Peirson 1924-8-29 Orange 2 miles from Balboa on toad inland along creek Comment
  RSA715701  Corethrogyne filaginifolia var. virgata Fred M. Roberts, Robert L. Allen 2005-10-15 6312 Orange entrance to Falcon Group Camp, 2.1km ESE Los Pinos Peak and 0.3km NE campground. 1008 Comment
  JEPS50151  Cornus sericea subsp. sericea Lawrence M. Booth 1932-7-19 1278 Orange Bolsas Creek Comment
  IRVC24510  Coronopus didymus Fred M. Roberts 1986-3-14 2647 Orange University of California campus, south side of Alderich Park near Engineering Building, Irvine 33 Comment
  UCR100456  Coronopus didymus B. G. Pitzer 1996-4-30 2767 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  HSC5419  Cotula australis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23067 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  IRVC630  Cotula australis M. Cadnum 1965-4-21 Orange Maple Street. Costa Mesa Comment
  RSA0045565  Cotula australis Keith E. Hoffmaster 1927-2-12 1143 Orange Santa Ana. Comment
  UCR142748  Cotula coronopifolia C. B. Wolf 1932-3-8 2692 Orange South Coast, Sunset Beach, [Bolsa Chica] at southern city limits 2 Comment
  UCD130912  Cotula coronopifolia Ronni Stachelek; Bob Anderson 1995-3-23 50 Orange Newport Beach, Upper Newport Bay, Back Bay Drive, ca. 150 m. north of San Joaquin Drive. Comment
  CDA7469  Cotula hispida R. E. Riefner Jr. 2006-2-12 26 -Jun Orange City of San Clemente, north ca. 0.5 mile along the beach from Avenue Del Mar / San Clemente Pier area. Comment
  RSA728656  Cotula hispida R. E. Riefner 2006-2-12 06 -26 Orange City of San Clemente, N ca. 0.5 mi. along the beach from Ave. Del Mar/ San Clemente area. 3 Comment
  CAS-BOT-BC427771  Crassula connata C. B. Wolf 1931-3-6 1844 Orange 1/2 mile above Trabuco Oaks, Trabuco Canyon, west slope Santa Ana Mts. 457 Comment
  HSC6500  Crassula connata J. W. Johnson 1961-2-19 Orange Newport Beach, above upper Newport Bay Comment
  IRVC25399  Crassula connata Fred M. Roberts 1987-4-3 3338 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
  RSA699758  Crassula connata Fred M. Roberts, D. E. Bramlet 2003-5-15 5867 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary to Cristianitos Cyn., 1.68km SW Gato Gate and .24km NW of SDG&E substation. 116 Comment
  RSA751982  Crassula connata Fred M. Roberts 2008-3-27 6803 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA348  Crassula connata var. erectoides J. T. Howell 1928-2-7 s.n. Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  RSA680734  Crassula erecta Scott D. White 2003-3-21 8820 Orange Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 122 Comment
  POM3584  Cressa truxillensis D. L. Crawford s.n. Orange Laguna Beach Comment
  RSA254940  Cressa truxillensis C. W. Tilforth 1975-9-6 1043 Orange Northeast shoreline of Upper Bay, Newport Beach. Comment
  SD143548  Cressa truxillensis R. D. Goeden, D. W. Ricker 1965-7-7 Orange Tustin Township near Peters Canyon Channel, east of Santa Ana Marine Corps Air Station 60 Comment
  UC729953  Cressa truxillensis Carl B. Wolf 1932-6-28 3800 Orange 25 ft. w. of n.-s. rd. at e. side of Sect 29 & 600 ft. n. of s.e. corner of s.e. 160 of Sect. 29 Bryant Ranch Comment
  UCR157706  Cressa truxillensis Adrian Wolf 1998-7-1 420 Orange South Coast, north Newport Oil Fields and East Banning Park; between Huntington Beach, Costa Mesa and Newport Beach, just south of the channelized mouth of the Santa Ana River 6 Comment
  UCR258351  Cressa truxillensis Fred M. Roberts 2014-4-21 7848 Orange South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin 113 Comment
  RSA0073651  Croton californicus Fred M. Roberts 2010-3-12 7185 Orange Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center. 50 Comment
  UC17567  Croton californicus C. W. Hamlin 1820-1 61 Orange Buena Park Comment
  RSA713393  Crypsis schoenoides R. E. Riefner 2005-10-5 5 -706 Orange City of Yorba Linda, Santa Ana River bottom, N flood plain, near Yorba Linda Regional Park. 98 Comment
  RSA797354B  Cryptantha D. M. McF 1956-4-11 7 Orange Moulton Ranch, South Coast. 152 Comment
  RSA0029036  Cryptantha Keith E. Hoffmaster 1934-4-8 137 Orange Santa Ana Mts. Comment
  POM49205  Cryptantha clevelandii L. R. Abrams 1901-4-13 1780 Orange Laguna, San Joanquin Hills. Comment
  RSA0094683  Cryptantha clevelandii var. florosa F. M. Reed 1925-5-14 4986 Orange Aliso Canon. Comment
  IRVC15158  Cryptantha intermedia J. Schram 1965-5-9 Orange San Juan Capistrano Comment
  JEPS22385  Cryptantha intermedia John Thomas Howell 1927-6-5 2435 Orange Santa Ana Canyon 152 Comment
  RSA687518  Cryptantha intermedia Fred M. Roberts, D. E. Bramlet 2003-4-10 5651 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, ridge between Cristianitos Cyn. and Segunda Deshecha Canada, 1.54km W Gato Gate and 1.59km NW Edison substation. 262 Comment
  RSA731998  Cryptantha intermedia A. C. Sanders, Fred M. Roberts 2008-4-22 35057 Orange Penisular Range; Lomas de Santiago, Loma Ridge c. 1/4 mi. SE of VABM Bee, above Bee Canyon landfill on road from Hicks Canyon Haul Rd. to Limestone Canyon. c. 3.5 mi. WSW of Silverado 493 Comment
  RSA737545  Cryptantha intermedia Fred M. Roberts 2008-3-12 6716 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  SDSU18440  Cryptantha leiocarpa Robert Lee Allen 2009-4-14 Orange Newport Beach, Balboa Peninsula, southeast of Balboa Pier, at south end of E Street. UTM 11S 04 16 939mE, 37 18 062mN (WGS84/NAD 83). 2 Comment
  RSA539399  Cryptantha microstachys Fred M. Roberts, Carol A. Roberts 1988-6-2 4038 Orange Santa Ana Mtns: Silverado Canyon, Maple Springs Truck Trail, 4.3km above gate. 1.0km WSW Bald Peak. 817 Comment
  RSA542660  Cryptantha microstachys Fred M. Roberts 1988-4-10 3907 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout. 415 Comment
  RSA681267  Cryptantha microstachys Scott D. White, Michael Honer 2003-5-29 9436 -A Orange Rancho Mission Viejo. Steep, gen. south-facing slopes above trib. to Trampas Canyon, ca. 0.6 air mi. S of Ortega hwy and ca. ca. 0.5 mi west of Trampas Cyn. 122 Comment
  RSA732085  Cryptantha microstachys A. C. Sanders, Fred M. Roberts 2008-3-25 34530 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  IRVC19956  Cryptantha microstachys Gordon A. Marsh 1983-4-16 Orange Sycamore Hills, central sector, lower margin, Laguna Beach Comment
  RSA0078870  Cryptantha muricata var. jonesii P. A. Munz 1923-6-14 7058 Orange Glen Ivy Trail to Santiago Peak. 1220 Comment
  IRVC20157  Cryptantha muricata var. muricata R. L. Allen 1977-4-16 Orange 0.7km N La Novia bridge; west of water path. San Juan Capistrano Comment
  IRVC20159  Cryptantha muricata var. muricata R. L. Allen 1977-4-19 Orange [San Juan Canyon], Ortega Hwy, road side 111, 1.5[mi E] San Juan Guard Station. Santa Ana Mountains Comment
  POM178580  Cryptantha racemosa Marcus E. Jones 1930-3-3 s.n. Orange Santa Ana Mountains. Comment
  CHSC37640  Cucurbita foetidissima T. B. Devine 1981-7-30 737 Orange At junction of Santiago Canyon Road and road to O'Neal Park. 335 Comment
  JEPS42641  Cucurbita foetidissima L. M. Booth 1933-10-18 Orange Newport Comment
  POM201754  Cucurbita foetidissima L. M. Booth 1932-6-29 1227 Orange Newport Bay. Comment
  CAS-BOT-BC80571  Cupressus forbesii James R. Shevock 1976-10-28 5347 Orange off of Sierra Peak, FS road 3S04 - Santa Ana Mountains, Cleveland National Forest 883 Comment
  RSA644959  Cupressus forbesii Richard E. Riefner 2000-1-18 20 -101 Orange NCCP North Ranch Policy Plan Area: Main Divide Road; top of Gypsum Canyon. 518 Comment
  RSA648649  Cupressus forbesii Richard E. Riefner, Adrian Wolf 2000-6-1 20 -451 Orange NCCP North Ranch Policy Plan Area. N of Irvine Lake and W of Black Star Cyn; W. of dirt access rd. 518 Comment
  RSA7200  Cupressus forbesii B. D. Stark 1933-3-17 4532 -D Orange Claymine Canyon, Santa Ana Mts. 609 Comment
  UC401430  Cupressus forbesii J. G. Cooper 1872-5-20 Orange Santa Anna Mts. [Santa Ana ?] Comment
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Sep 16 2010
  UCR37801  Cupressus forbesii Steve Boyd, L. F. LaPre 1981-5-27 s.n. Orange Santa Ana Mtns., Northern end of the Santa Ana Mtns., along powerline road on ridges east of Weir Canyon & at the head of Gypsum Canyon. Comment
  RSA648945  Cuscuta californica Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-25 74 Orange 1/2 mile south of Chino Hills State Park Boundary. 228 Comment
  UC284233  Cuscuta californica P. A. Munz 1923-7-8 7330 Orange Santa Ana River Comment
  RSA542644  Cuscuta californica Fred M. Roberts, Kathy Keane 1988-5-25 3980 Orange Rancho Mission Veijo: Lower Canada Chiquita, 2.5 kilometers SSE Medium Rancho Survey Marker. 85 Comment
  UCR10366  Cuscuta salina Thomas A. Zink 1971-1 s.n. Orange South Coast, Newport Back Bay near the west end of the water-skiing area 3 Comment
  CDA23140  Cuscuta subinclusa Mark A. Elvin, D. G. Kelch 2006-12-9 5312 Orange Southern Coastal; Irvine; San Diego Creek, edge of San Joaquin Marsh, beside University Drive, between Campus Drive and Highway 73. Comment
  UC536956  Cuscuta subinclusa Lawrence M. Booth 1932-7-25 1316 Orange Santa Ana River Comment
  UCR241048  Cyclospermum leptophyllum Robert DeRuff 2011-7-23 345 C Orange South Coast, Upper Newport Bay, along creek below Eastbluff North on bay side of Back Bay Dr. 5 Comment
  RSA761940  Cyclospermum leptophyllum Robt. Allen, Edward Read 2005-10-20 12531 Orange Fullerton, campus of California State University. West end of Science Laboratory Center building, in garden adjacent to Perimeter Road. 72 Comment
  CAS-BOT-BC299752  Cynara cardunculus Carl B. Wolf 1936-7-8 8100 Orange Western end of Newport Bay, Coast Highway 9 Comment
  SEINET10891979  Cynara cardunculus Melvin L. Conrad, David B. Dunn 1973-6-13 Conrad 7133 Orange In vicinity of Laguna Beach. 152 Comment
  RSA17587  Cynara cardunculus subsp. flavescens C. B. Wolf 1936-7-8 8100 Orange Coast Hwy, Western end of Newport Bay. 9 Comment
  UCR193008  Cynodon dactylon A. C. Sanders 2008-5-28 35443 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  UCR157711  Cyperus Adrian Wolf 1998-5-15 270 Orange South Coast, Lambert Reservoir, north of El Toro Marine Corps Air Station 134 Comment
  RSA599638  Cyperus eragrostis Fred M. Roberts, P. Barrett, G. Bastillos 1995-7-25 4967 Orange Santa Ana Mountains: San Juan Canyon along San Juan Creek, San Juan Hot Springs, 0.8 kilometer SSW Juan Rancho Survey Mark. 214 Comment
  RSA731801  Cyperus involucratus Fred M. Roberts, Sandy Leatherman 2007-11-9 6641 Orange Santa Ana Mtns.: San Juan Canyon along San Juan Creek, 0.2km E community of San Juan Hot Springs. 222 Comment
  CAS-BOT-BC114243  Cyperus laevigatus John Thomas Howell 1927-7-18 2791 Orange Moist sandy soil, Santa Ana River bottom, Santa Ana Canyon. 152 Comment
  UC472149  Cyperus laevigatus J. Ewan 1931-10-3 Orange below La Vida Soda Spring (Carbon Canyon); Carbon Canyon Comment
  CAS-BOT-BC537198  Cyperus niger R. F. Thorne 1977-11-21 49999 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  SD255032  Cyperus niger Robert F. Thorne 1977-11-21 49999 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs. Comment
  RSA450864  Cyperus niger var. capitatus Gordon Marsh, Karlin G. Marsh 1977-11-21 s.n. Orange Santa Ana Mountains: San Juan Hot Springs. Comment
  RSA450865  Cyperus odoratus Gordon Marsh, Karlin G. Marsh 1977-11-21 s.n. Orange Santa Ana Mountains: San Juan Hot Springs. Comment
  SD234735  Cyperus odoratus R. E. Jr. Riefner 2005-10-27 05 728 Orange South Coast: Huntington Beach, Huntington Central Park near Goldenwest St. 0 Comment
  UC838255  Cyperus odoratus P. A. Munz 1922-9-2 6359 a Orange Laguna Lake 45 Comment
  RSA739272  Cyperus retrorsus R. E. Riefner 2007-9-14 07 -396 Orange Orange County: City of Orange, Santa Ana River at Taft St. alt 196ft 60 Comment
  CAS-BOT-BC538088  Cyrtomium falcatum R. E. Riefner, Jr. 2012-2-2 12 -19 Orange City of Dana Point, cliff and rocky intertidal area N 0.2 mi of Salt Creek lagoon 8 Comment
  SD240772  Cyrtomium falcatum R. E. Riefner Jr. 2011-7-1 11 83 Orange City of Newport Beach, beach area west of the end of Camep Shores Road; south ca. 1 mi from Poppy Avenue. 2 Comment
  UCR261692  Datisca glomerata Dick Newell, Judy Booth 2014-5-15 379 Orange Peninsular Range; Santa Ana Mtns., Modjeska Canyon, 0.3 mi. east of Tucker Wildlife Sanctuary, 1.75 miles SSW of Flores Peak 434 Comment
  SD245347  Datisca glomerata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49618 Orange Santa Ana Mountains: Bluffs above San Juan Creek, about 1 mile above San Juan Fire Station. Comment
  RSA702205  Datura wrightii Fred M. Roberts, David E. Bramlet 2003-6-20 5920 Orange Rancho Mission Viejo; Donna O'Neil Land Conservancy tributary to Cristianitos Cyn, along Back Road, 1.4 km WNW Sycamore Gate. 189 Comment
  RSA743455  Datura wrightii Fred M. Roberts 2008-7-10 7075 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  UC884536  Datura wrightii E. Lloyd 1933-5-13 Orange Laguna Beach Comment
  POM201711  Datura wrightii L. M. Booth 1932-7-30 1337 Orange Santa Ana River, 2 miles from ocean Comment
  UCR100443  Daucus pusillus B. G. Pitzer 1996-4-30 2780 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  UCR228804  Daucus pusillus Dick Newell, Don Millar 2011-5-24 165 Orange Peninsular Range; Santa Ana Mtns., above Outdoor Education Center on MWD service road, 1.6 miles NW (311 deg. ) of Irvine Lake dam 244 Comment
  IRVC24747  Daucus pusillus Fred M. Roberts 1986-4-29 2819 Orange Turtle Rock, above corner of Ridgerout Dr. and Turtle Rock Dr., 1.1km SE French Hill, Irvine 141 Comment
  CAS-BOT-BC299332  Deinandra fasciculata L. R. Abrams 1917-6-23 6568 Orange Balboa Comment
  CHSC26109  Deinandra fasciculata Roger Shelby 1970-8-22 Orange Ca. 4 mi. N. of Huntington Beach, 1 1/2 mi. So. of Warner Ave. off Pacific Coast Hwy. in Bolsa Bay area. 0 Comment
  JEPS24424  Deinandra fasciculata Peter M. Ray 1949-5-22 1410 Orange s of San Clemente; San Clemente State Park 15 Comment
  SBBG80998  Deinandra fasciculata G. Sampson 1985-4-23 85 -362 Orange dry ridge W end of Telegraph Cyn Comment
  CAS-BOT-BC131026  Deinandra paniculata John Thomas Howell 1931-6-1 6626 Orange San Clemente Comment
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Oct 4 2017
  RSA0047639  Deinandra paniculata R. E. Riefner Jr. 2014-6-3 14 -143 Orange City of Laguna Beach, Moulton Meadows, NE 0.1 mi. from Del Mar Ave. and Balboa Ave. along Mentally Sensitive Trail 266 Comment
  RSA298  Delphinium cardinale J. T. Howell 1927-7-26 s.n. Orange Claymine Canyon near Sierra Peak. 244 Comment
  RSA16419  Delphinium parryi Percy C. Everett 1935-5-19 6871 Orange Santa Ana Mts, Baker Canyon, W Ladd Truck Trail 305 Comment
  CAS-BOT-BC116420  Delphinium patens subsp. hepaticoideum C. B. Wolf 1931-3-6 1856 Orange 1/2 mile below Trabuco Camp Ground, Trabuco Canyon, west slope of the Santa Ana Mts. 609 Comment
  RSA0065534  Dentaria tenella Marion P. Harthill 1972-1-25 s.n. Orange San Juan Watershed. Comment
  RSA0073654  Descurainia pinnata subsp. halictorum Fred M. Roberts 2010-3-12 7183 Orange Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center. 50 Comment
  POM369419  Descurainia pinnata subsp. menziesii Albert J. Perkins 1921-3-15 s.n Orange Garden, Santa Ana. Comment
  RSA16418  Dicentra chrysantha Percy C. Everett 1935-5-19 6870 Orange Santa Ana Mountains, Baker Canyon, West Ladd Truck trail. 305 Comment
  UCR231163  Dicentra chrysantha Dick Newell, Judy Booth 2011-6-26 194 Orange Peninsular Range; Santa Ana Mtns., Long Canyon Rd., NW of Hwy 74, Cleveland National Forest 965 Comment
  RSA1322  Dicentra ochroleuca J. T. Howell 1928-7-10 1096 Orange Black Star Canyon, Santa Ana Mts. 701 Comment
  HSC3006  Dichelostemma capitatum subsp. capitatum J. W. Johnson 1961-3-29 Orange Newport Beach Comment
  RSA208914  Dichelostemma capitatum subsp. capitatum Lee W. Lenz 1965-4-6 24585 a Orange Bluff above ocean, Dana Point. 30 Comment
  RSA590942  Dichelostemma capitatum subsp. capitatum Fred M. Roberts Jr. 1991-5-2 4782 Orange San Joaquin Hills: Laguna Canyon, Laguna Laurel, just W of Laguna Canyon Road, ca 2 km N jct El Toro Road, 4.5 km E Signal Peak. 110 Comment
  SEINET10719725  Dicksonia David B. Dunn 1971-8-13 Dunn 18125 Orange Cultivated plants vicinity of Laguna Beach. Comment
  UCR140932  Dinebra retroflexa O. F. Clarke, D. Svehla 2004-8-23 s.n. Orange Santa Ana River Valley, Yorba Linda, Yorba Regional Park, Santa Ana River bank near intersection of E. La Palma Ave. and Fairmont Blvd. 91 Comment
  RSA0028695  Diplacus longiflorus Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 45 Orange 500 ft. west of Chino Hills State Park Boundary. 198 Comment
  CAS-BOT-BC43548  Diplotaxis muralis Ira L. Wiggins 1965-10-25 20302 Orange Along curb way on Dorothy Lane near corner of Lincoln Avenue, Fullerton. Comment
  SDSU2450  Diplotaxis muralis D. F. Howe 1977-5-23 4951 Orange Corner of Empire & Broadway, Anaheim. Comment
  UC2062536  Distichlis littoralis Hester L. Bell with Anna L. Bell 2002-5-1 260 Orange Shellmaker Road in Lower Newport Bay, near Shellmaker Island and Upper Newport Bay Reserve. Comment
  IRVC29710  Distichlis spicata Barry S. Nerhus, Mark A. Elvin 2006-11-4 15 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal 0 Comment
  UC2062535  Distichlis spicata subsp. spicata Hester L. Bell with Anna L. Bell 2002-5-1 259 Orange Shellmaker Road in Lower Newport Bay, near Shellmaker Island and Upper Newport Bay Reserve. Comment
  UCD64446  Distichlis spicata var. stolonifera A. A. Beetle 1958-9-7 13, 072 Orange Newport. Comment
  SEINET10745208  Dolichandra unguis-cati Peter H. Raven 2009-8-29 Raven 28669 Orange Irvine, SE corner of intersection of Jamboree and MacArthur. Comment
  SD27980  Draba cuneifolia Carl B. Wolf 1932-2-17 2661 Orange Rancho Santa Ana Botanic Garden, just west of Adenostoma sparsifolum Bed. 600 Comment
  HSC46674  Drymocallis glandulosa var. glandulosa Christopher Davidson 1977-5-18 5633 Orange Cleveland National Forest, Falcon campground 1006 Comment
  IRVC19376  Dryopteris arguta R. L. Allen 1977-2-13 s.n. Orange Santa Ana Mountains: [San Juan Canyon], Ortega Hwy, roadside 111; next to trail. Comment
  RSA759111  Dryopteris arguta Robert Allen, Reginald Durant 2008-9-28 s.n. Orange Laurel Spring, just below Harding Truck Trail., Survey Waypoint #85. Comment
  RSA791466  Dryopteris arguta Keith E. Hoffmaster 1928-5-29 36 Orange San Onofre. Comment
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Nov 19 2013
  RSA423460  Dudleya F. R. Fosberg 1931-8-19 7221 Orange Aliso Creek, mouth Comment
  SD45413  Dudleya blochmaniae subsp. blochmaniae Reid Moran 1950-4-24 3388 Orange San Clemente, atop sea bluffs. Comment
  RSA423484B  Dudleya caespitosa L. C. Wheeler 1932-6-25 862 Orange Newport Bay. 6 Comment
  CAS-BOT-BC428263  Dudleya edulis Reid Moran 1949-5-28 3257 Orange Aliso Canyon, Laguna Beach Comment
  RSA12839  Dudleya edulis C. B. Wolf 1934-12-29 2316 Orange San Clemente. Comment
  RSA0077165  Dudleya edulis Reid V. Moran 1948-6-23 3096 Orange Aliso Canyon; Laguna Beach. Comment
  POM296489  Dudleya lanceolata Lyman Benson 1950-4-29 I- 4339 Orange South end of San Clemente. Hill 1/2 mile from ocean. 152 Comment
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Oct 23 2014
  RSA20920  Dudleya lanceolata E. R. Johnson 1937-6-20 s.n. Orange Dana Point. 15 Comment
  RSA743454  Dudleya lanceolata Fred M. Roberts 2008-7-10 7074 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  UCR119302  Dudleya lanceolata R. E. Riefner Jr., Adrian Wolf 2000-6-1 20- 456 Orange Santa Ana Mountains, North Ranch Policy Plan Area, north of Irvine Lake [Santiago Reservoir] and west of Black Star Canyon, west of dirt access road, W slope of Fremont Canyon. 473 Comment
  UCR131887  Dudleya lanceolata J. Mallory, V. McCoy 1995-7-3 6454- 66 Orange Santa Ana Mountains: N-facing slope in Santiago Canyon, c. 0.5 mi. east of Santiago Canyon Rd; near Irvine Park 200 Comment
  UCR150916  Dudleya lanceolata Valerie Soza, LeRoy Gross 1999-6-8 504 Orange Santa Ana Mountains, Santiago and Modjeska Canyons, above Tucker Wildlife Sanctuary, above the town of Modjeska 518 Comment
  UCR281568  Dudleya lanceolata Mitch Provance 2017-6-9 617- 87 Orange Coyote Hills, North Fullerton, East side of Gilbert St., 0.25 miles NNE of intersection with Castlewood Dr. 164 Comment
  RSA584715  Dudleya lanceolata Fred M. Roberts 1989-5-18 4371 Orange Santa Ana Mountains: Upper Gypsum canyon, above ridge road, ca. 6.4 km WSW Sierra Peak. 415 Comment
  CAS-BOT-BC109671  Dudleya multicaulis K. Nakai 1981-6-4 774 Orange 0.3 mile east of Laguna Canyon Road on El Torro Road. 91 Comment
  RSA397815  Dudleya multicaulis Thekla Mohr 1920-06 s.n. Orange Hills near Laguna Comment
  UC933212  Dudleya multicaulis Reid Moran 1950-4-24 3387 Orange 0.4 mi above El Toro road junction with Laguna Canyon road (s of El Toro road, Laguna Canyon); Laguna Canyon 91 Comment
  UCR250870  Dudleya multicaulis Dick Newell, Judy Booth, Jutta Burger, Ron Vanderhoff 2014-4-5 360 Orange Peninsular Range; Santa Ana Mtns., Blind Canyon, NW ridge, 0.49 mi. west of Blind Canyon Rd. and 241 Toll Rd. intersection 381 Comment
  UCR52607  Dudleya multicaulis Jeri Hirshberg 1988-6-7 s.n. Orange Santa Ana Canyon, head of Gypsum Canyon, along roadbanks 412 Comment
  RSA757323  Dudleya pulverulenta A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37192 Orange Lomas de Santiago, lower Hangmans Tree Canyon 379 Comment
  UC1015432  Dudleya pulverulenta subsp. pulverulenta Jack Whitehead 1946-6-12 396 Orange Dana Point Comment
  UC933338  Dudleya pulverulenta subsp. pulverulenta Reid Moran 1948-6-23 3099 Orange n side Aliso Canyon; Laguna Beach Comment
  CAS-BOT-BC109741  Dudleya stolonifera R. V. Moran 1949-7-2 3286 Orange Laguna Canyon. 1.7 mile below Toro Road Junction, 1.5 mile above canyon mouth. 243 Comment
  POM48549  Dudleya stolonifera F. M. Reed 1925-5-14 4994 Orange Aliso Canon. Comment
  UC905132  Dudleya stolonifera R. V. Moran 1948-6-23 3095 Orange s of Laguna Beach (n-facing cliff near mouth of Aliso Canyon); ; North-facing cliff near mouth of Aliso Canyon, S of Laguna Beach, Orange Co. 7 Comment
  UCSB50636  Dudleya viscida Roberts, Fred 1982-7-9 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 1.4 km. by road E San Juan Guard Station; 4.6 km. W Sitton Peak 275 Comment
  CAS-BOT-BC197033  Echinochloa colona M. F. Bradshaw 1902-7-1 s.n. Orange Orange Comment
  RSA49  Echinochloa crus-galli Thos Howell 1927-10-29 787 Orange Near Cypress Station. 30 Comment
  RSA789588  Echinochloa crus-galli R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49634 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  UCR154271  Echinochloa crus-galli Mark A. Elvin 2004-5-2 3426 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  RSA151075  Eclipta prostrata Peter H. Raven 1961-10-15 16859 Orange Dyke along road to Yorba Linda just north of US Hwy 91 114 Comment
  IRVC24281  Eclipta prostrata Fred M. Roberts, G. A. Marsh 1985-10-26 2518 Orange Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal 4 Comment
  UC1930109  Ehrharta calycina Scott D. White, Michael Honer 2003-6-12 9542 Orange SOUTHWESTERN SANTA ANA MTS FOOTHILLS: Rancho Mission Viejo. Upper end of Trampas Canyon. Comment
  RSA731006  Ehrharta erecta Fred M. Roberts, B. Allen 2007-1-19 6508 Orange Mission Viejo: 23012 Via San Gabriel. Irrigated urban landscaping. 230 Comment
  RSA799624  Eleocharis acicularis Justin M. Wood 2011-4-12 3664 Orange South Coast: City of Costa Mesa. Fairview Park, just WNW of Marison Special Education Center. 24 Comment
  RSA697522  Eleocharis acicularis Elisabeth Norland 1929-4-11 s.n. Orange Cypress. Comment
  UCR193433  Eleocharis macrostachya A. C. Sanders, Fred M. Roberts 2008-5-6 35240 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, head of Hicks Canyon, south of Santiago Reservoir 351 Comment
  RSA750923  Eleocharis montevidensis A. C. Sanders, Fred M. Roberts 2008-7-3 35701 Orange Weir Canyon, along Weir Canyon Rd. 1.2 mi. SSE of Walnut Canyon Reservoir, below Upper Blind Canyon Rd. 212 Comment
  UCR174225  Eleocharis montevidensis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33003 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA708228  Eleocharis palustris Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6164 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  RSA723479  Eleusine coracana subsp. africana R. E. Riefner 2006-10-4 6 -477 Orange City of Huntington Beach, along Slater Ave. near Goldenwest St. 11 Comment
  UCR193344  Elymus condensatus A. C. Sanders 2008-5-28 35433 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  UCR207543  Elymus condensatus O. F. Clarke, Roger E. Reinke 2004-11-14 s.n. Orange South Coast, Newport Back Bay 3 Comment
  UCR209665  Elymus condensatus Fred M. Roberts 2008-5-8 6945 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near Strands Road Gate, 0.8 km west-northwest of the Marine Institute, Dana Point Harbor 65 Comment
  UCR281490  Elymus condensatus Mitch Provance 2017-6-9 617- 100 Orange Coyote Hills, North Fullerton, East side of Gilbert St., 0.5 miles ENE of intersection with Castlewood Dr. 124 Comment
  RSA751316  Elymus glaucus A. C. Sanders, Fred M. Roberts 2008-5-6 35274 Orange Lomas de Santiago, upper Limestone Canyon, 2.9 mi. NNW of El Toro 366 Comment
  UCR177693  Elymus glaucus Fred M. Roberts 2003-5-1 5687 Orange Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.21 km west of Cristianitos Rd. 96 Comment
  POM50709  Elymus glaucus subsp. glaucus Le Roy Abrams 1901-06 1822 Orange Santiago Peak Trail 915 Comment
  RSA679226  Elymus multisetus Fred M. Roberts 2003-6-25 5944 Orange Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit. 1605 Comment
  RSA539404  Emmenanthe penduliflora Fred M. Roberts, Carol A. Roberts 1988-6-2 4035 Orange Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak. 817 Comment
  CHSC30402  Encelia californica Diane H. Ikeda 1980-4-2 218 Orange Upper Newport Back Bay Ecological Reserve. At the intersection of Back Bay Drive and San Joaquin Rd. 1 Comment
  HSC5474  Encelia californica J. W. Johnson 1961-3-29 Orange Newport Beach, slope overlooking Upper Newport Bay. Comment
  IRVC657  Encelia californica McGuire 1965-5-2 Orange Comment
  POM356655  Encelia californica E. Crow 1929-2-22 162 Orange Gypsum Canyon, Snata Ana Mts, S of Corona Comment
  POM356656  Encelia californica M. B. Dunkle 1933-4-9 32888 Orange Dana Point. Comment
  RSA799951  Encelia californica D. M. Ray 2011-1-19 3 Orange South Coast: Santa Ana River: along right of way road just west of Least Tern Island. 0 Comment
  UC54173  Encelia californica Jos. Burtt Davy 1902-4-4 Orange Orange Comment
  UCR99554  Encelia californica B. G. Pitzer 1996-4-30 2792 Orange San Joaquin Hills, Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy) 15 Comment
  UCSB48067  Encelia californica Fritzke, S.; Roberts, Jr., Fred 1982-4-3 Orange Dana Point Headlands; along Scenic Dr., near jct. with Cove Rd., 0.4 km. W Dana Point Harbor; 0.7 km. S Richard Henry Dana School 70 Comment
  IRVC659  Encelia californica L. Burns 1965-5-2 Orange Comment
  RSA723970  Epilobium brachycarpum R. E. Riefner Jr. 2005-10-5 05 -705 Orange City of Yorba Linda; Santa Ana River, Horseshoe Bend, near La Palma Rd. and Via Del Rio Rd. 99 Comment
  POM146315  Epilobium canum subsp. canum Chas H. Quibell 1927-07 s.n. Orange Laguna Beach. Comment
  LA206111  Epilobium canum subsp. latifolium W. E. Pequegnat; August 1937 7 Orange Santa Ana Mountains, Santiago Peak, 8 mi. S of Corona Comment
  RSA542492  Epilobium canum subsp. latifolium Fred M. Roberts, Richard E. Riefner 1988-7-19 4119 Orange Santa Ana Mountains: Modjeska Peak, west slope, 1.1 km SW summit 1524 Comment
  UCR193837  Epipactis gigantea A. C. Sanders, Fred M. Roberts 2008-7-16 35844 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  SD245160  Equisetum arvense R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49566 Orange Santa Ana Mountains: San Joan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  RSA752896  Equisetum laevigatum A. C. Sanders, Fred M. Roberts 2008-8-7 35987 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate 185 Comment
  UC1543090  Equisetum laevigatum Donald G. Nelson 1935-4-6 266 Orange e San Juan Capistrano (canyon 200-300 ft below main Hwy., ca. 4 mi from Summit); Santa Ana Mts., San Juan Canyon Comment
  POM50293  Equisetum laevigatum Helen D. Gris 1902-11 s.n. Orange Peat Louds Comment
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Aug 8 2013
  RSA699858  Equisetum laevigatum Dorothy Parsons 1932-4-5 s.n. Orange Santa Ana River Bank Comment
  POM17838  Equisetum telmateia var. braunii Philip A. Munz 1923-9-7 7731 Orange Holy Jim Canyon, Santa Ana Mountains 609 Comment
  CAS-BOT-BC204438  Eragrostis cilianensis Helen D. Geis 1902-1-1 549 Orange Unspecified Comment
  POM298879  Eragrostis mexicana subsp. virescens Frank W. Gould 1944-6-25 2362 Orange Tournat Ranch, Garden Grove. Comment
  SD245210  Eragrostis mexicana subsp. virescens R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49567 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  UCR69742  Eragrostis pectinacea var. pectinacea Tim Hartz 1990-11-19 s.n. Orange Irvine U.C. South Coast Field Station, near the U.C. Irvine Campus. Comment
  UCR236675  Eragrostis pilosa Fred M. Roberts, Sandra L. Leatherman 2008-9-17 7105 Orange Peninsular Ranges, Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana River, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river 87 Comment
  POM201866  Eremocarpus setiger L. M. Booth 1932-5-12 1021 Orange Newport Bay. Comment
  RSA233016  Eremocarpus setiger Christopher Davidson, G. Benny 1971-6-15 1553 Orange Carbon Canyon, 1 mile SW of Carbon Canyon mineral spring. Comment
  RSA421545  Eremocarpus setiger Albert J. Perkins 1909-7-4 s.n. Orange Laguna Beach. Comment
  RSA436020  Eremocarpus setiger Christopher Davidson, G. Benny 1971-6-15 1553 Orange Carbon Canyon, 1 mile SW of Carbon Canyon mineral spring. Comment
  JEPS69115  Eriastrum sapphirinum John Thomas Howell 1927-6-9 2471 Orange Santa Ana Canyon Rancho Santa Ana 213 Comment
  CAS-BOT-BC515000  Eriastrum sapphirinum subsp. dasyanthum H. F. Copeland 1938-6-28 s.n. Orange Hills back of Laguna Beach Comment
  RSA741719  Ericameria cuneata var. cuneata R. E. Riefner 2008-6-3 08 -135 Orange Irvine Ranch Reserve, Fremont Canyon Conservation Easement, E fork Fremont Canyon, Black Star SCE Rd. 641 Comment
  POM201792  Ericameria palmeri var. pachylepis L. M. Booth s.n. Orange Newport Beach Comment
  RSA16664  Ericameria palmeri var. pachylepis C. B. Wolf 1931-10-30 2504 Orange Rancho Santa Ana, Santa Ana Canyon. 207 Comment
  RSA751525  Ericameria palmeri var. pachylepis A. C. Sanders, Fred M. Roberts 2008-8-7 35996 Orange Weir Canyon, along Windy Ridge Rd. at wash crossing, 0.95 mi. SE of Walnut Canyon Reservoir 242 Comment
  RSA789196  Ericameria parishii Naomi Fraga, Duncan S. Bell, Sarah J. De Groot 2009-9-11 3157 Orange Santa Ana Mountains, Blue Jay Campground. 910 Comment
  UC1118798  Ericameria parishii var. parishii A. Lewis 1934-5-1 414 Orange Trabuco Canyon Cleveland National Forest, Elsinore Quad., Trabuco Canyon 1341 Comment
  UC1118814  Ericameria pinifolia H. E. Norton 1931-2-26 31 Orange San Joaquin Hills Corona Quad., San Joaquin Hills 121 Comment
  SDSU3943  Erigeron foliosus D. F. Howe 1976-6-4 4905 Orange Trabuco Canyon, Santa Ana Mts. 305 Comment
  CAS-BOT-BC296140  Erigeron foliosus var. foliosus Le Roy Abrams 1901-6-17 2220 Orange El Toro Comment
  SD234804  Erigeron sumatrensis R. E. Riefner Jr. 2003-12-13 3 503 Orange South Coast: Los Alamitos, San Gabriel River, vicinity of Chestnut St and Cernitos Ave. (Los Alamitos 7.5'Q) 10 Comment
  CAS-BOT-BC402191  Eriodictyon crassifolium R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49682 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 457 Comment
  LA205566  Eriodictyon crassifolium A. M. Johnson; 1932-4-23 4020 Orange Orange Comment
  POM9827  Eriodictyon crassifolium P. A. Munz, R. D. Harwood 1920-4-24 3761 Orange Sierra [Freemont] Canyon 366 Comment
  RSA450871  Eriogonum cinereum Fred M. Roberts 1985-7-22 2058 Orange Irvine: MacArthur Blvd., 0.2km N Bonita Canyon Rd.; 1.6 km W UC Irvine campus. 15 Comment
  UCSB56682  Eriogonum cinereum Roberts, Fred 1985-7-22 Orange Irvine: MacArthur Blvd., 0.2km N Bonita Canyon Rd.; 1.6km W UC Irvine campus 15 Comment
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Feb 22 2019
  POM201864  Eriogonum elongatum L. M. Booth 1933-8-26 1387 Orange Newport Lagoon. Comment
  RSA698423  Eriogonum fasciculatum L. C. Hull 1934-4-8 s.n. Orange Laguna Hills. Comment
  RSA734985  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, T. B. Salvato 2008-5-13 35382 Orange Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  UCR192994  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, T. B. Salvato 2008-5-13 35382 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  CAS-BOT-BC253219  Eriogonum fasciculatum var. fasciculatum D. L. Crawford 1916-5-5 s.n. Orange Laguna Beach Comment
  CAS-BOT-BC253221  Eriogonum fasciculatum var. fasciculatum H. F. Copeland 1938-6-28 s.n. Orange Laguna Beach Comment
  SEINET253237  Eriogonum fasciculatum var. fasciculatum Lawrence M. Booth 1932-7-27 1326 Orange Corona del Mar, Newport Beach, Ocean Bluff. Comment
  UC635079  Eriogonum fasciculatum var. fasciculatum Herbert L. Mason 1926-4-25 2917 Orange 5 mi s Laguna Comment
  UCR239622  Eriogonum fasciculatum var. fasciculatum Fred M. Roberts 2012-4-24 7498 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  UCSB41761  Eriogonum fasciculatum var. foliolosum Walker, Richard 1966-5-15 Orange On south road embankment of Esperanza Ave. about 3 mi. east of Imperial Hwy. east of state landmark of Yorba Hacienda Site. 30 Comment
  CAS-BOT-BC253476  Eriogonum gracile Helen D. Geis 1902-3-1 s.n. Orange Santiago Canyon Comment
  UCSB48007  Eriogonum gracile Roberts, Fred 1980-6-29 Orange Santa Ana Mtns; Viejo Canyon; 0.4km N Calif. Rte 74; 2.2km ENE San Juan Guard Station 341 Comment
  UC718407  Eriogonum nudum var. pauciflorum Carl B. Wolf 1933-8-24 5400 Orange summit of Santiago Pk. Santa Ana Mts., Santiago Pk. 1731 Comment
  UC534937  Eriogonum parvifolium Susan G. Stokes 1932-8-29 21 Orange Doheney's Palisades, near San Clemente, San Diego Co. Comment
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Oct 21 2009
  UCSB52923  Eriogonum parvifolium Roberts, Fred 1983-3-10 Orange Dana Point Headlands: south of Dana Strand Rd; 0.8km W Dana Point Harbor; 1.0km SW Richard Henry Dana School 66 Comment
  RSA13461  Eriogonum parvifolium var. parvifolium S. G. Stokes 1932-8-29 21 Orange Doheny's Palisades near San Clemente Comment
  CAS-BOT-BC297326  Eriophyllum confertiflorum A. M. White 1974-6-3 74 -671 Orange Ca 20 miles E of Santa Ana, N of Silverado Canyon Comment
  POM357960  Eriophyllum confertiflorum E. A. McGregor 1966-5-15 s.n. Orange Ortega Highway, between Lake Elsinore and San Juan Capistrano. Comment
  POM357963  Eriophyllum confertiflorum M. B. Dunkle 1934-6-18 3998 Orange San Juan Canyon, Southern Coastal. 305 Comment
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Oct 3 2011
  RSA16348  Eriophyllum confertiflorum Percy C. Everett 1935-6-18 7185 Orange Santa Ana Mountains. Main divide motorway to Santiago Peak, 1 mile from Ortega Highway. 732 Comment
  RSA695678  Eriophyllum confertiflorum Minor Warne 1934-3-21 s.n Orange Limestone Canyon. Santa Ana Mts. Comment
  RSA734762  Eriophyllum confertiflorum A. C. Sanders, Teresa B. Salvato 2008-5-13 35342 Orange Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  UCD132115  Eriophyllum confertiflorum R. Townsend 1939-3-29 163 Orange Lower Telegraph Canyon. Comment
  UCR49768  Eriophyllum confertiflorum B. G. Pitzer 1987-4-24 0504 Orange Santa Ana Mtns, Santa Ana River at Gypsum Canyon, c. 0.5 mi. north of Hwy 91. 113 Comment
  IRVC707  Eriophyllum confertiflorum var. confertiflorum A. S. Boughey, P. Pembrook 1965-6-18 1018 Orange Los Trancos Canyon at bottom, ; chaparral. San Joaquin Hills Comment
  UC1294014  Eriophyllum confertiflorum var. confertiflorum E. K. Balls 1958-6-27 23286 Orange Santiago-Mojeska Saddle Santa Ana Mts., Santiago-Mojeska Saddle 1463 Comment
  LA210273  Erodium botrys E. R. Johnson; 1935-3-1 6293 Orange 1 mi W of Atwood, S side of RR 91 Comment
  RSA703721  Erodium brachycarpum D. E. Bramlet 2003-3-20 3351 Orange Donna O Neill Reserve. NE corner of the reserve 183m west of Cristianitos Rd. and 1.83 km north of the E-W access road. 127 Comment
  UCD103257  Erodium cicutarium C. L. Hitchcock 1966-3-15 24138 Orange 1/2 mile e. of Brea. Comment
  SEINET12182146  Erodium cicutarium J. F. Bright, Wyman, C. 1933-1 8180 Orange Laguna Beach Comment
  RSA732084  Erodium moschatum A. C. Sanders, Fred M. Roberts 2008-3-25 34555 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  UCR230231  Erodium moschatum Dick Newell, Don Millar 2011-3-15 078 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agua Chinon Wash 219 Comment
  RSA696309  Erodium moschatum Kenneth Beard s.n. Orange Along irrigation ditch, Towner street Comment
  RSA697438  Erysimum capitatum R. H. McArthur 1934-3-25 s.n. Orange Above forks of Black Starr & Santiago Creek bottom Comment
  SEINET13679551 Image available Erythranthe floribunda A. C. Sanders, T. B. Salvato 2008-1 35335 Orange Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  UCR188898  Erythrina caffra Robert DeRuff 1985-1 103 Orange Southern Coast, Newport Beach, Upper Newport Back Bay, along the path from Mariners Drive to North Star Beach 30 Comment
  RSA0069234  Eschscholzia californica Fred M. Roberts, Lee Ann Caranza 2009-4-7 7139 Orange Dana Point Headlands: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 65 Comment
  RSA542456  Eschscholzia californica var. peninsularis Fred M. Roberts 1988-2-9 3783 Orange Lomas De Santiago, Loma Ridge, Upper Hicks canyon rim, 0.7 km N Bee Survey Mark. 469 Comment
  RSA542448  Eschscholzia californica var. peninsularis Fred M. Roberts 1989-3-17 4210 Orange Aliso Wood canyon, Regional Park, Also canyon, 3.3 km SSE Moulton Peak. 57 Comment
  CDA21564  Eucalyptus camaldulensis Mark A. Elvin, D. G. Kelch 2006-12-9 5316 Orange Southern Coastal; Irvine; San Diego Creek, edge of San Joaquin Marsh, beside University Drive, between Campus Drive and Highway 73. Comment
  UCR184670  Eucalyptus camaldulensis Dean Kelch 2006-12-9 06 .555 Orange Irvine. University Dr. along tidal Creek just east of I-73 9 Comment
  UCR210361  Eucalyptus camaldulensis T. B. Salvato, Billy Deane 2006-10-16 1928 Orange South Coast, Irvine, San Diego Creek flood control channel, between Michelson Drive and the 405 FWY 12 Comment
  RSA0010839  Eucalyptus camaldulensis var. camaldulensis A. C. Sanders, T. B. Salvato 2008-5-13 35370 Orange Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  UCR241043  Eucalyptus polyanthemos Robert DeRuff 2010-1 288 Orange South Coast, Upper Newport Bay, above Back Bay Dr. at Eastbluff North 17 Comment
  UCR197691  Eucalyptus sideroxylon A. C. Sanders, Fred M. Roberts 2008-9-18 36077 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  RSA704833  Eucrypta chrysanthemifolia Unspecified s.n. Orange Modjeska s Home. Comment
  RSA732086  Eucrypta chrysanthemifolia A. C. Sanders, Fred M. Roberts 2008-3-25 34531 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  RSA751269  Eucrypta chrysanthemifolia A. C. Sanders, Fred M. Roberts 2008-7-16 35869 Orange Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon. 358 Comment
  RSA794330  Eucrypta chrysanthemifolia Justin M. Wood 2010-3-31 1447 Orange [Santa Ana Canyon:] Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  UCSC000889  Eucrypta chrysanthemifolia Peter Kamb 1948-6-19 1096 Orange damp rocky base of slide into canyon bottom, Chaparral scrub canyon bottom - Snata Ana Mts., Holy Jim Canyon Comment
  RSA683068  Eucrypta chrysanthemifolia var. chrysanthemifolia Fred M. Roberts 2003-3-19 5603 Orange Donna O Neill Land Conservancy: Ridges west of Cristianitos Cyn., 1,750m NNW Sycamore gate and 315m W Cristianitos Rd. (Canada Gobernadora) 192 Comment
  UC592180  Eucrypta chrysanthemifolia var. chrysanthemifolia H. L. Mason 1926-4-25 2912 Orange 5 mi s Laguna Beach Comment
  IRVC15144  Euphorbia crenulata A. S. Boughey 1968-7-9 391 Orange Santa Ana mtns: upper Santiago Canyon. Peninsular Ranges Comment
  UCD170387  Euphorbia misera R. E. Riefner Jr. 2012-12-5 12- 587 Orange City of Dana Point, Dana Point Harbor, Dana Harbor Drive near Cove Road. 8 Comment
  IRVC1308  Euphorbia peplus E. P. Cowper 1965-3-1 Orange [Newport] Back Bay. Newport Beach Comment
  RSA731929  Euphorbia peplus Fred M. Roberts, Sandy Leatherman 2007-11-27 6681 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA732073  Euphorbia polycarpa A. C. Sanders, Fred M. Roberts 2008-3-25 34560 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  RSA0018988  Euphorbia serpens Oscar F. Clarke 2004-8-23 s.n. Orange Santa Ana River Valley: Yorba Linda, Yorba Regional Park, Santa Ana River bank near intersection of E. La Palma Ave. and Fairmont Blvd. 91 Comment
  CDA1084  Euphorbia serpillifolia subsp. hirtula D. G. Kelch 2006-12-9 6 .534 Orange Along Newport Back Bay Dr. in side canyon. Comment
  UCR102037  Euphorbia serpillifolia subsp. hirtula B. G. Pitzer 1997-3-25 3028 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  UCR190989  Festuca octoflora A. C. Sanders, Fred M. Roberts 2008-4-22 35004 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon haul road, just above Irvine Ranch gate and road to cement plant, c. 1 mile NE of Rattlesnake Reservoir 244 Comment
  RSA0073644  Festuca octoflora var. octoflora Fred M. Roberts, Lee Ann Caranza, Eliza Maher 2009-4-7 7145 Orange South Coast Region: DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 50 Comment
  UCR149450  Festuca pratensis Robert DeRuff 2000-1 522 A Orange South Coast, Newport Back Bay, W side of the Delhi Channel c. 300 ft S from the pedestrian bridge that crosses the channel at University Drive 15 Comment
  CAS-BOT-BC474723  Ficus microcarpa R. E. Riefner, Jr. 2014-6-14 14 -169 Orange City of Newport Beach, N side of Pacific Coast HIghway at Riverside Ave. 6 Comment
  CAS-BOT-BC474734  Ficus microcarpa R. E. Riefner, Jr. 2015-8-27 15 -355 Orange City of Laguna Beach, S side of Beach St. E of Broadway Ave. (Hwy. 133) 7 Comment
  CAS-BOT-BC502074  Ficus microcarpa R. E. Riefner, Jr. 2015-8-30 15 -376 Orange City of Anaheim, Pearson Park, near center of park, N of North Helena St. and West Cypress St 45 Comment
  RSA0116290  Ficus microcarpa R. E. Riefner Jr. 2014-7-14 14 -169 Orange City of Newport Beach, N side of Pacific Coast Highway at Riverside Ave. 6 Comment
  CAS-BOT-BC474736  Ficus rubiginosa R. E. Riefner, Jr. 2015-8-27 15 -358 Orange City of Newport Beach, Corona del Mar, on Marguerite Ave. at Fifth Ave. 42 Comment
  IRVC25411  Filago californica Fred M. Roberts, Wayne Ferren 1987-4-8 3360 Orange Upper Newport Back Bay, west side, North Star Beach, 0.8km N Coney Island, Newport Beach 0 Comment
  RSA588652  Filago californica Fred M. Roberts, Carol A. Roberts 1990-5-23 4657 Orange Santa Ana Mts.: West Fork, Upper Long Canyon, Main Divide Truck Trail, 4.3 km SE Los Pinos Peak. 753 Comment
  UCR102018  Filago gallica B. G. Pitzer 1997-3-25 3021 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  UCR106279  Filago gallica B. G. Pitzer, M. Georgiady 1997-4-5 3087 Orange San Joaquin Hills, Crystal Cove State Park, portion across highway on the beach, bluffs immediately above beach and adjacent terraces for southeast end of park. 24 Comment
  UCR192091  Filago gallica A. C. Sanders, Fred M. Roberts 2008-5-6 35257 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  IRVC3699  Foeniculum vulgare L. McCabe 1965-5-8 Orange Corona del Mar]: Corona Highlands. [Newport Beach Comment
  OBI8010  Foeniculum vulgare Kurt R. Neisess 1975-12-21 Orange In the Fullerton Hills area Comment
  RSA703732  Foeniculum vulgare Fred M. Roberts, D. E. Bramlet 2004-7-30 6092 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Cristianitos Cyn., parking area at Gato Gate and 0.06 km W Cristianitos Road. 96 Comment
  CAS-BOT-BC63069  Frangula californica subsp. californica P. C. Everett 1936-9-19 8268 Orange Santa Ana Mts., Silverado Canyon. In vicinity of Forest Service Road gate. 762 Comment
  SBBG26924  Frangula californica subsp. californica P. C. Everett 1936-9-19 Orange Silverado Cyn in vicinity of Forest Service Rd Gate Comment
  UCSB48032  Frangula californica subsp. californica Roberts, Fred 1980-7-7 Orange Santa Ana Mtns., San Juan Canyon, Hwy 74, 2.3km ENE San Juan Guard Station; 0.4km W Bench Mark 1100 315 Comment
  LA207689  Frangula californica subsp. cuspidata P. C. Everett; 1935-6-18 5451 Orange Santa Ana Mountains, summit of Santiago Peak 1731 Comment
  SD120876  Frangula californica subsp. cuspidata Reid Moran 1975-7-18 22596 Orange Bottom of Trabuco Canyon, Santa Ana Mountains 725 Comment
  RSA660593  Frangula californica subsp. cuspidata R. E. Riefner 2000-8-8 20 -718 Orange NCCP North Ranch Policy Plan Area. NE property; E slope of upper Fremont Cyn.; S of Donaldson Ranch area and S of powerline / National Forest boundary. 454 Comment
  RSA186312  Frankenia grandifolia Joseph A. Ewan 1932-7-28 7701 Orange Corona Del Mar Comment
  RSA391401  Frankenia grandifolia Joseph A. Ewan 1932-7-28 7701 Orange Corona Del Mar Comment
  RSA0039580  Frankenia grandifolia Elbert Benjamine 1929-5-14 239 Orange Sunset Beach. Comment
  PASA432  Frankenia grandifolia var. campestris Frank W. Peirson 1924-5-31 Orange Laguna Canyon 91 Comment
  JEPS30104  Frankenia salina L. M. Booth 1932-7-27 1324 Orange Comment
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Nov 11 2011
  LA103547  Frankenia salina Barry A. Prigge; 1983-12-17 5530 Orange Santa Ana Marsh and adjacent lowlands, southeasternmost part of oil field just N of Pacific Coast Highway between remnant Santa Ana River channel and dirt road 1 Comment
  POM293117  Frankenia salina Lyman Benson 1946-5-13 12099 Orange Corona del Mar, Pacfic Ocean drainage area 50 Comment
  SD82963  Frankenia salina C. Davidson 1970-7-25 1494 Orange Bolsa Chica; Signal oil field. Comment
  UC1494288  Frankenia salina Molly Whalen and Liz Evans 1978-6-2 510 Orange near Bolsa Chica Visitors Center (just off Hwy 1) Comment
  CAS-BOT-BC402193  Fraxinus dipetala R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49687 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  POM6424  Fraxinus dipetala P. A. Munz, Street, Williams 1919-5-3 2667 Orange Santa Ana River Canyon. Comment
  RSA113855  Fraxinus dipetala E. K. Balls 1956-3-26 21464 Orange 0.5 miles below Silverado Motorway, W slope of Santa Ana Mts. 640 Comment
  RSA69893  Fraxinus dipetala F. W. Peirson 1925-4-10 5743 Orange In Silverado Canyon. 610 Comment
  UCR234154  Fraxinus dipetala Dick Newell, Judy Booth 2012-3-25 232 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Road, 1.5 miles above Maple Springs entrance 615 Comment
  UCR174224  Fraxinus pennsylvanica subsp. velutina A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33043 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  CDA23146  Fraxinus uhdei Mark A. Elvin, D. G. Kelch 2006-12-9 5304 Orange Southern Coastal; Newport Backbay; Big Canyon, lower end. Comment
  RSA295258  Fritillaria biflora H. W. Nixon 1932-04 2437 Orange San Juan Capistrano. Comment
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Feb 20 2012
  RSA649055  Fritillaria biflora D. E. Bramlet 2000-4-12 2978 Orange Tributary to Fremont Canyon. the site is 396m northwest of the Edison Spur road and 1.2km southeast of the Fremont ridge road. The locality is 305m southwest of knoll 1515. 372 Comment
  RSA0036644  Fritillaria biflora Robt. Allen 2009-3-29 s.n. Orange Peninsular Ranges; Santa Ana Mountains regions: Near Santiago Canyon. Rancho Sonado (Orange County Department of Education). Entrance is along Santiago Canyon Road, 0.23 miles NW of turnoff to Williams Canyon, 1.55 air miles SE of turnoff to Silverado, Canyon. Wild Bill Trail. 364 Comment
  CAS-BOT-BC304316  Galinsoga parviflora A. C. Sanders; Fred M. Roberts 2008-5-6 35226 Orange Peninsular Range: Santa Ana Mts: Lomas de Santiago, lower Hicks Canyon, just above tollway (Highway 241) crossing on Irving Haul Rd, near debris basin 216 Comment
  RSA25774  Galinsoga parviflora var. parviflora C. B. Wolf 1941-6-3 10878 Orange Fullerton. Weed in garden of Ray M. Brown, Luanne Ave. 53 Comment
  RSA680560  Galium angustifolium Scott D. White 2003-3-21 8816 Orange Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 122 Comment
  RSA682913  Galium angustifolium Scott D. White, Amanda Duchardt 2003-5-1 9163 Orange Santa Ana Mountain Foothills: Slopes above west side of Trampas Canyon. 107 Comment
  RSA708287  Galium angustifolium Scott D. White, Jennifer H. Jones 2005-3-31 10860 Orange South Coast: City of Laguna Beach. 549 Nyes Place. Proposed home site on ca. 0.5 acre. 91 Comment
  UCR76745  Galium angustifolium B. G. Pitzer, Stu Hemstreet 1992-5-27 1961 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, along Forest Service Road 3S04 to Blue Jay Group Campground, off Hwy 74 (Ortega Hwy), c. 2 mi west of El Cariso Campground 765 Comment
  RSA542397  Galium angustifolium subsp. angustifolium Fred M. Roberts, Dar A. Roberts 1989-3-22 4218 Orange Aliso-Wood Regional Park: Lower Wood Canyon, 3.6km SSE Moulton Peak. 38 Comment
  RSA647956  Galium aparine Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 32 Orange 1000 ft. northwest of Chino Hills State Park Boundary. 244 Comment
  RSA792478  Galium aparine Justin M. Wood 2011-2-28 3269 Orange South Coast: Santa Ana River, marsh just upstream of Pacific Coast Highway. Plants collected throughout the marsh and along the adjacent bike path. 0 Comment
  UC1608263  Galium parisiense Steve Boyd and Tim Ross 1992-5-19 7428 Orange along Lucas Canyon Trail from access road to Rancho Carillo (7SO6) n to Aliso Canyon (w edge of wilderness); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 365 Comment
  UCR158850  Galium parisiense A. C. Sanders, Mark A. Elvin 2005-9-2 31603 Orange Peninsular Range; Santa Ana Mtns., mouth of Lion Canyon near Lower San Juan Picnic Area, San Juan Creek Canyon 427 Comment
  UCR191232  Galium parisiense A. C. Sanders, Fred M. Roberts 2008-4-22 35027 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  RSA562752  Galium parisiense Steve D. Boyd, Tim S. Ross 1992-5-19 7428 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon. 366 Comment
  UCR177290  Galium porrigens Scott D. White, Amanda Duchardt 2003-5-1 9162 Orange Santa Ana Mountains, slopes above west side of Trampas Canyon 183 Comment
  SEINET4039760 Image available Gamochaeta purpurea O. M. Clark 1947-1 14376 Orange Island in Crescent Bay. Comment
  IRVC24471  Garrya flavescens var. pallida Fred M. Roberts, R. L. Allen 1986-2-23 2593 Orange Santa Ana Mountains; W of Main Divide Truck Trail; 2.1km E Los Pinos Peak. Peninsular Ranges 1115 Comment
  CDA25797  Gastridium ventricosum A. C. Sanders, Fred M. Roberts, A. O Neal 2008-5-9 35321 Orange Peninsular Range; Santa Ana Mountains; Weir Canyon, 0.3 mile west of Eastern Transportation Corridor (Highway 241) and 1.45 miles east of south end of Walnut Canyon Reservoir. Comment
  UC284723  Gastridium ventricosum P. A. Munz 1923-9-7 7758 Orange trail from Trabuco Canyon to Santiago Peak (Santa Ana Mts.); , trail from Trabuco Canyon to Santiago Peak 1127 Comment
  CDA5146  Gaura coccinea Margaret Bellue, Andreas, E. L. Paddock 1943-8-31 Orange Brea Road, 1 mile north of Fullerton. 0 Comment
  SEINET10728264  Gazania David B. Dunn 1971-8-13 Dunn 18119 Orange Cultivated plants vicinity of Laguna Beach. Comment
  HSC16994  Gilia angelensis J. W. Johnson 1961-3-29 Orange Newport Beach, slope overlooking Upper Newport Bay. Comment
  RSA3189  Gilia angelensis C. B. Wolf 1932-3-8 2674 Orange 1/2 mile N of Corona del Mar, Newport Bay. 8 Comment
  SEINET5321189  Gilia angelensis A. G. Vestal, W. P. Vestal 1955-3-24 3460 Orange El Toro; About 5 miles east of El Toro Comment
  UCR252202  Gilia capitata Amanda C. Swanson 2013-4-21 27 Orange Peninsular Range; Santa Ana Mtns., hiking trail across from Tucker Wildlife Sanctuary, less than 0.1 mi. from trailhead 434 Comment
  RSA749432  Gilia capitata subsp. abrotanifolia Fred M. Roberts 2008-4-14 6896 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork, 3.1 km E Robbers Peak, Irvine Ranch Conservancy. 453 Comment
  RSA698354  Gilia peduncularis R. H. McArthur 1934-4-14 s.n. Orange Laguna Canyon. Hillside. Comment
  RSA469704  Gilia tricolor subsp. diffusa M. B. Dunkle 1935-2-10 4330 Orange El Toro 61 Comment
  CAS-BOT-BC303650  Glebionis coronaria Helen D. Geis 1902-1-1 538 Orange Santiago Creek Comment
  RSA7326  Glycyrrhiza lepidota E. R. Johnson 1933-7-6 5169 Orange 1/2 mile south of Mexican houses, Rancho Santa Ana 122 Comment
  RSA688869  Gnaphalium californicum Fred M. Roberts 2003-5-1 5671 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.49km S Gato Gate and just west of Cristianitos Rd. (San Clemente) 84 Comment
  RSA734687  Gnaphalium canescens subsp. microcephalum A. C. Sanders, T. B. Salvato 2008-5-13 35353 Orange Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  IRVC19530  Gnaphalium luteo-album R. L. Allen 1983-2-24 A644 Orange 3160 Air[way] Ave. along Paularino; weed in blue grass lawn. Costa Mesa Comment
  RSA627032  Gnaphalium luteoalbum Scott D. White 1998-5-16 6508 Orange E Coyote Hills, Oil field at NW corner of Bastanchury and State College. 122 Comment
  RSA696919  Gnaphalium microcephalum Minor Warne 1934-5-19 s.n. Orange Trabuco. Comment
  UCSB52897  Gnaphalium palustre Roberts, Fred 1983-3-16 Orange Laguna Beach: Sycamore Hills, central ridge, 1.5km NNE jct. El Toro and Laguna Canyon Rds.; 5.5km ESE Signal Peak 175 Comment
  RSA698233  Godetia epilobioides Minor Warne 1934-4-14 s.n. Orange Laguna Canyon Forks. Comment
  RSA734895  Grindelia camporum A. C. Sanders 2008-5-28 35430 Orange Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  UCR193363  Grindelia camporum A. C. Sanders 2008-5-28 35430 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  IRVC745  Grindelia camporum var. bracteosa M. Savage 1965-4-2 Orange Corona del Mar, across from Irvine Terrace. Newport Beach Comment
  RSA5917  Grindelia camporum var. bracteosa C. B. Wolf 1932-7-2 3810 Orange Orange County, Valencia Ave, Olenda, opposite the Olinda Pilgrim Church 152 Comment
  CAS-BOT-BC305203  Grindelia hirsutula J. T. Howell 1931-6-1 6624 Orange San Clemente Comment
  CAS-BOT-BC305208  Grindelia hirsutula John Thomas Howell 1931-6-1 6624 Orange San Clemente Comment
  LA203641  Gutierrezia californica A. M. Johnson; 1932-4-23 4029 Orange Dry hills N of Orange Comment
  POM50885  Gutierrezia californica Helen D. Gris 1902-1 573 Orange Santiago Canyon. Comment
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Dec 8 2018
  POM50886  Gutierrezia californica L. R. Abrams 1901-06 s.n. Orange El Toro. Comment
  RSA638193  Gutierrezia californica Scott D. White 1998-10-15 7188 Orange Yorba Linda: 1/2 mile south of Telegraph Cyn. Between Ohio St. and Fairmont. Proposed for development. 152 Comment
  RSA703141  Gutierrezia californica Fred M. Roberts, Art Davenport 2003-9-11 6015 Orange Rancho Mission Viejo: Donna O' Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road. 126 Comment
  RSA864  Gutierrezia californica J. T. Howell 1927-7-28 510 Orange Nolina Canyon, Rancho Santa Ana 152 Comment
  SD72732  Gutierrezia californica F. R. Fosberg 1931-6-21 S 5084 Orange Lower Santiago Canyon. Comment
  UCD132608  Gutierrezia californica P. B. Kennedy 1925-1-12 s.n. Orange Irvine Range. Comment
  UCR26139  Haplopappus menziesii John C. Roos 1949-10-1 4683 Orange South Coast, Doheny Beach 0 Comment
  UCR237837  Haplopappus venetus Mark A. Elvin 2003-2-2 2285 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  HSC93899  Hedypnois cretica D. Atwood 1993-3-28 17716 Orange Bolsa Chica Ecological Reserve, California Dept. of Fish and Game 0 Comment
  RSA359731  Hedypnois cretica C. B. Wolf 1938-5-2 9406 Orange City of Fullerton, Francis street, 1200 block E side in vacant lot. 61 Comment
  RSA751327  Hedypnois cretica A. C. Sanders, Fred M. Roberts 2008-5-6 35261 Orange Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  SD42290  Hedypnois cretica C. B. Wolf 1938-5-2 9406 Orange Fullerton, Francis Street, 1200 block, east side in vacant lot 60 Comment
  RSA734962  Helianthemum scoparium A. C. Sanders, Fred M. Roberts, A. O'Neal 2008-5-9 35309 Orange Weir Canyon, along fire line/bulldozer cut, c. 1.5 mi. east of Walnut Cyn Reservoir. 346 Comment
  RSA542646  Helianthemum scoparium var. vulgare Fred M. Roberts 1988-4-11 3899 Orange Lomas De Santiago; Loma Ridge, Upper Limestone Canyon, c.a. 3.2 km NNW Bolero Lookout. Comment
  CAS-BOT-BC305444  Helianthus annuus Ira L. Wiggins 1966-5-18 20662 Orange Along Associated Road between Yorba Linda Blvd. and Imperial Highway Comment
  POM201743  Helianthus annuus subsp. lenticularis L. M. Booth 1932-6-29 1230 Orange Newport Bay. Comment
  UC774875  Helianthus ciliaris E. L. Paddock 1941-8-1 Orange 2 mi e Brea; Graham-Loftus property Comment
  CDA6535  Helianthus ciliaris T. C. Fuller 1962-6-7 8871 Orange Union Oil lease, Deodora Street, 1.2 east of Brea Boulevard, Brea. 0 Comment
  OBI4714  Helianthus ciliaris T. C. Fuller 1962-6-7 8874 Orange Veeh ranch, N of El Toro, ca 11 mi SE of Tustin Comment
  RSA170313  Helianthus ciliaris T. C. Fuller 1962-6-7 8874 Orange Orange County: hillside in grain, Veeh Ranch, N of El Toro, 11 miles SE of Tustin Comment
  RSA263727  Helianthus gracilentus E. W. Lathrop 1970-1-28 7125 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  SD140191  Helianthus gracilentus B. Pitzer 1992-5-27 1963 Orange Cleveland National Forest. Along road (3S04) to Blue Jay Group Campground, off State Hwy 74 (Ortega Hwy). Approx. 2 miles (airline) west of El Cariso Campground. 762 Comment
  UC537260  Helianthus nuttallii subsp. parishii L. M. Booth 1933-8-26 1388 Orange Newport Lagoon Comment
  RSA92493  Helianthus nuttallii subsp. parishii F. W. Peirson 1924-10-19 5246 Orange Wintersberg. Comment
  RSA696163  Heliotropium M. Funakoshi 1941-11-27 s.n. Orange Santa Ana. Comment
  JEPS67987  Heliotropium curassavicum Alice King May 1908 Orange near Santa Ana <R. ?> Newport Comment
  SEINET3083751 Image available Heliotropium curassavicum Janice Hollinger 1972-4-16 720416 -5 Orange Santa Ana River bottom, off Coal Canyon Road. Comment
  UCR100455  Heliotropium curassavicum B. G. Pitzer 1996-4-30 2770 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  UCR239853  Heliotropium curassavicum O. F. Clarke 2004-4-5 s.n. Orange South Coast, Least Tern Reserve, just north of the mouth of the Santa Ana River, Huntington Beach 4 Comment
  POM369737  Heliotropium curassavicum var. oculatum F. R. Fosberg 1930-7-10 3196 Orange Anaheim Landing. [Los Angeles Co. on label] 5 Comment
  RSA647  Heliotropium curassavicum var. oculatum J. T. Howell 1927-6-17 159 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  CAS-BOT-BC305899  Helminthotheca echioides Ira L. Wiggins 1965-11-5 20322 Orange Near corner of Dowling Street and Crowther Avenue. 1/2 mi. S of Placentia Comment
  UCSB48227  Helminthotheca echioides Roberts, Jr., Fred 1981-7-8 Orange Rancho Mission Viejo; Calif. Rte. 74, 5.2 km. ENE San Juan Capistrano by road 100 Comment
  RSA360335  Hemizonia australis L. C. Wheeler 1932-6-25 849 Orange 5 miles west of Santa Ana. 22 Comment
  CDA7030  Hemizonia fasciculata E. Dudley 1951-5-1 Orange Costa Mesa. 0 Comment
  IRVC17976  Hemizonia fasciculata K. Marsh 1980-5-8 Orange Pelican Point. Crystal Cove State Park Comment
  LA26011  Hemizonia parryi subsp. australis David D. Keck; 1933-9-29 2537 Orange Seal Beach Comment
  UCR231160  Hemizonia parryi subsp. australis Dick Newell, Don Millar 2011-6-22 191 Orange South Coast, Newport Beach, Delhi Channel near University Drive 5 Comment
  CAS-BOT-BC403798  Hesperocnide tenella D. L. Crawford 1916-7-1 1959 Orange Near Laguna Comment
  SD114979  Hesperocyparis forbesii Earl W. Lathrop 1976-11-17 7406 Orange 4 miles west of Corona in Gypsum Canyon north slope of Sierra Peak 609 Comment
  SD40663  Hesperocyparis forbesii Carl B. Wolf 1935-1-2 Orange Santa Ana Mountains, slopes of Sierra Peak, west of Claymine Canyon along road to peak 669 Comment
  RSA735169  Heteromeles arbutifolia A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35277 Orange Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir. 300 Comment
  SD241168  Heteromeles arbutifolia T. B. Salvato 2010-9-27 5123 Orange South Coast: Dana Point Headlands, Harbor Point Park, south of Scenic Drive and Cove Road, beyond the end of Green Lantern Street, overlooking Dana Point Harbor (Dana Point 7.5'Q) 60 Comment
  UCR231191  Heteromeles arbutifolia A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39936 Orange Peninsular Range; Santa Ana Mtns., near Pleasants Peak along the Main Divide Truck Trail 1152 Comment
  RSA0072398  Heteromeles arbutifolia Percy C. Everett 1936-1-25 7697 Orange Santa Ana Canyon, Rancho Santa Ana. In Palm Canyon in the Botanic Garden. 183 Comment
  IRVC799  Heterotheca grandiflora A. S. Boughey 151 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  SEINET7073546  Heterotheca grandiflora A. G. Vestal 1963-3-27 s.n. Orange Ridge above Cai+-ada Gobernadora. Coordinate datum: NAD27. Comment
  UCR193773  Heterotheca grandiflora A. C. Sanders, Fred M. Roberts 2008-7-3 35697 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir 285 Comment
  IRVC797  Heterotheca grandiflora B. Mawdsley 1965-4-4 Orange Corona del Mar. Newport Beach Comment
  RSA0075818  Heterotheca grandiflora F. W. Peirson 1920-1-9 2350 Orange Sand near the point at Balboa Beach. Comment
  POM201843  Heterotheca sessiliflora subsp. echioides L. M. Booth 1932-7-29 1330 Orange Newport Lagoon Comment
  RSA752894  Heterotheca sessiliflora subsp. echioides A. C. Sanders, Fred M. Roberts 2008-8-7 35973 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 Comment
  RSA689546  Heterotheca sessiliflora subsp. echioides R. E. Riefner 2000-8-8 20 -715 Orange NCCP North Ranch Policy Plan Area. NE property; E slope of upper Fremont Cyn.; S of Donaldson Ranch area and S of powerline / National Forest boundary. 454 Comment
  UCR224404  Hibiscus trionum Robt. L. Allen 2008-4-9 s.n. Orange South Coast, Irvine, Irvine Valley College, near norhteast corner of Student Services building 45 Comment
  RSA759278  Hibiscus trionum Robt. Allen 2008-4-9 s.n. Orange Irvine, Irvine Valley College, near NE corner of student Services building. 45 Comment
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Aug 2 2019
  RSA721136  Hieracium albiflorum Anonymous s.n. Orange Santa Ana Comment
  UCD150984  Hieracium argutum D. S. Park 2010-4-25 29 Orange Whiting Ranch Wilderness Park, along trail. Open, disturbed areas. 254 Comment
  RSA702204  Hirschfeldia incana Fred M. Roberts, David E. Bramlet 2003-6-20 5921 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, tributary to Christianitos Cyn, along Back Road, 1.48 km WNW Sycamore Gate. 189 Comment
  UCSB48229  Hirschfeldia incana Roberts, Fred 1981-7-8 Orange Rancho Mission Viejo: Calif. Rte. 74, 5.2 km ENE San Juan Capistrano by road 100 Comment
  LA207960  Holodiscus discolor W. E. Pequegnat; 1937-8-11 59 Orange Santa Ana Mountains, N side Santiago Peak 1725 Comment
  RSA172272  Holodiscus discolor Robert F. Thorne 1963-7-26 32826 Orange Trabuco District, Santa Ana Mts., Cleveland National Forest. 1159 Comment
  RSA6142  Holodiscus discolor E. R. Johnson 1933-6-22 5000 Orange 1/4 mile east and 1/2 miles south of northwest corner of Rancho Santa Ana in Sect. 16 305 Comment
  UC1128013  Holodiscus discolor J. B. Spring 1931-4-7 30 Orange n of Trabuco Canyon (Quadrangle Corona); Quadrangle Corona 243 Comment
  CAS-BOT-BC150005  Holodiscus discolor var. discolor E. R. Johnson 1933-6-22 5000 Orange Rancho Santa Ana, Santa Ana Canyon N.W. corner of ranch, 1/4 mi. E., 1/2 mi. S. 304 Comment
  CAS-BOT-BC150007  Holodiscus discolor var. discolor Carl B. Wolf 1933-8-24 5390 Orange Santa Ana Mts. Summit of Santiago Pk. 1731 Comment
  RSA542404  Holodiscus discolor var. franciscanus Bernard Jaroslow 1989-5-29 B- 24 Orange Along trail just below truck trail, in the canyon of Upper Santiago Creek, above deserted mines Comment
  POM1305  Hordeum depressum P. A. Munz 1918-5-5 2192 Orange Laguna. Comment
  RSA0040088  Hordeum depressum Sandra Leatherman 2014-3-18 2014 -2 Orange Santa Ana Mountains region: South Orange County; northeast of Antonio Parkway and Sendero Way; adjacent to the Chiquita Reclamation Plant access road. 76 Comment
  CHSC109697  Hordeum intercedens D. Bramlet 1999-6-11 2808 Orange On slope 76 m east of Cristianitos Creek and 488 m northeast of the intersection of Avenida Pico and Cristianitos Road. UTM 11S 04 47 340mE x 37 02 080mN 79 Comment
  RSA799617  Hordeum intercedens Justin M. Wood 2011-4-12 3652 Orange South Coast: City of Costa Mesa. Fairview Park, just WNW of Marison Special Education Center. 24 Comment
  RSA651784  Hordeum leporinum Bob Edwards 1948-5-14 s.n. Orange Found on vacant lot in Orange. 59 Comment
  RSA735167  Hordeum murinum A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35278 Orange Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  RSA697739  Hordeum murinum Elisabeth Norland 1929-3-16 s.n. Orange Santa Ana Co. Club. Comment
  POM305048  Horkelia cuneata subsp. puberula Henry J. Ramsey 1937-1-9 374 Orange San Juan Canyon 152 Comment
  CAS-BOT-BC537314  Horkelia cuneata var. puberula Philip A. Munz 1936-4-20 14606 Orange Mt. Olympus, Laguna Beach 152 Comment
  RSA792565  Hornungia procumbens Justin M. Wood 2011-2-28 3272 Orange South Coast: Santa Ana River, marsh just upstream of Pacific Coast Highway. Plants collected throughout the marsh and along the adjacent bike path. 0 Comment
  RSA526  Hydrocotyle umbellata J. T. Howell 1927-8-13 624 Orange Santa Ana River Bottom 152 Comment
  OBI74741  Hypericum canariense Unknown 2010-6-9 Oct- 52 Orange City of San Juan Capistrano, along McKraken View Trl at San Juan Crk rd, E of I-5 fwy 51 Comment
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May 28 2015
  SBBG125947  Hypericum canariense R. E. Riefner Jr. 2010-6-9 10 -52 Orange McKraken View Trail at San Juan Crk Rd, E of I-5 Freeway; City of San Juan Capistrano 51 Comment
  UC2061630  Hypericum canariense R. E. Riefner Jr. 2010-6-9 10 -52 Orange City of San Juan Capistrano, along McKraken View Trail at San Juan Creek Road E of I-5 Freeway. Comment
  UCR209666  Hypericum canariense Fred M. Roberts 2008-5-8 6946 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near the northeast Gate, 0.5 km west of the Marine Institute, Dana Point Harbor 75 Comment
  UCSB56516  Hypericum canariense Roberts, Fred 1983-5-26 Orange Dana Point Headlands; 0.5km NW Dana Point Harbor; 0.4km S Richard Henry Dana School; on south side of Pacific Coast Highway 22 Comment
  RSA16349  Hypericum formosum var. scouleri P. C. Everett 1935-6-18 7184 Orange Santa Ana Mts., Main Divide Motorway to Santiago Pk., 1 mi. from Ortega Highway. 732 Comment
  IRVC813  Hypochaeris glabra L. McCabe 1965-4-6 Orange Corona del Mar. Newport Beach Comment
  RSA732247  Hypochaeris glabra A. C. Sanders, Fred M. Roberts 2008-4-22 34998 Orange Lomas de Santiago, lower Hicks Canyon haul road, just above Irvine Ranch gate and road to cement plant, c. 1 mile NE of Rattlesnake Reservoir 213 Comment
  UCR98131  Hypochaeris glabra George K. Helmkamp, E. A. Helmkamp 1997-4-24 1659 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 1.6 mi. SE of Ortega Hwy (Calif. Hwy 74) on Rd. 7-S14 549 Comment
  RSA167492  Isocoma menziesii var. menziesii R. F. Thorne, Percy C. Everett 1963-9-25 33211 Orange On disturbed bluff top, Dana Point. Comment
  CAS-BOT-BC311673  Isocoma menziesii var. sedoides David D. Keck 1932-9-30 1901 Orange 2 mi. W. of Laguna Beach Comment
  IRVC24537  Isocoma menziesii var. vernonioides J. Johnson 1976-8-10 Orange Newport [Back] Bay. Newport Beach Comment
  IRVC28771  Isocoma menziesii var. vernonioides Elizabeth H. Hook, Caroline Tran 2006-2-4 2 Orange San Joaquin Marsh; NW bluff edge Southern Coastal 5 Comment
  POM4760  Isocoma menziesii var. vernonioides P. A. Munz 1918-5-18 2189 Orange Bluffs along coast Laguna. Comment
  RSA5815  Isocoma menziesii var. vernonioides C. B. Wolf 1932-6-28 3807 Orange Edge of field on Bryant Ave., 300 ft. W. of N.E. corner of N.W. 1/4 of S.E. 1/4 sect27 T4S RNW 9 Comment
  RSA743518  Isocoma menziesii var. vernonioides Fred M. Roberts, Carol A. Roberts 2008-9-28 7114 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5 km W Marine Institute (Dana Point Harbor). 75 Comment
  UCR98234  Isomeris arborea B. G. Pitzer 1997-4-15 3133 Orange San Joaquin Hills, Crystal Cove State Park, north of the N end of the City of Laguna Beach. Along Moro Canyon Trail, from beginning to a point c. 1.75 mi. up the canyon. 49 Comment
  RSA0042765  Iva hayesiana Fred M. Roberts 2012-7-18 7670 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill. 37 Comment
  JEPS34772  Jaumea carnosa L. M. Booth 1932-6-9 1183 Orange Newport Bay Comment
  RSA703682  Jepsonia parryi Fred M. Roberts, D. E. Bramlet 2004-11-5 6127 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, west slopes of Cristianitos Cyn., 0.79 km N Sycamore Gate and 0.18 km W Cristianitos Road. 146 Comment
  UCR24414  Jepsonia parryi John C. Roos 1936-10-9 2301 Orange Santa Ana Canyon Comment
  CAS-BOT-BC426246  Jepsonia parryi John Thomas Howell 1929-2-7 4094 Orange Claymine Canon, n. Samta Ana Mts. 243 Comment
  UC112093  Juglans E. B. Babcock 1907-9-9 Orange on ranch of E.S. Ware 1 mi n Garden Grove Comment
  RSA0011055  Juglans californica D. E. Bramlet 2008-6-5 4291 Orange Santa Ana Mtns foothills: Tributary to Weir Cyn., 731 m N of the SCE Transmission Line & 229m west of Weir Canyon Road. 257 Comment
  SD138020  Juglans californica Carl B. Wolf 1939-11-29 42257 Orange Orange County Picnic Grounds Comment
  RSA0011061  Juglans californica I. L. Wiggins 1965-5-27 20310 Orange Near Los Angeles County Line, along Brea Canyon Road. Comment
  RSA0011065  Juglans californica Lyman Benson 1947-4-27 12340 Orange Carbon Canyon. Mr. Range: Puente Hills; Drainage area: Pacific Slope. 244 Comment
  SD245393  Juglans californica R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49613 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station. Comment
  RSA0025286  Juglans hindsii R. E. Riefner Jr. 2011-4-22 11 -34 Orange City of Laguna Beach, Laguna Canyon, Laguna Wilderness Park, Stagecoach Trail, ca. 0.15 mi N of El Toro Rd. on W side of Laguna Canyon Rd. 86 Comment
  SD237482  Juglans hindsii R. E. Riefner Jr. 2009-8-12 09 168 Orange Foothills of Santa Ana Mountains, near Silverado, Cook's Corner area, Santiago Canyon Road at Lawrence Canyon Road. USGS Quad: Lake Forest. 334 Comment
  SD255201  Juglans regia R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49798 Orange Santa Ana Mountains: Trabuco Canyon, below Yaeger Mesa. Comment
  RSA795707  Juncus W. R. Ferren 1991-12-3 EPA- 18 Orange Cook Creek, tributary to Aliso Creek, San Juan Capistrano. Comment
  RSA731916  Juncus balticus var. balticus Fred M. Roberts, Sandy Leatherman 2007-11-27 6663 Orange Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge. 100 Comment
  RSA22445  Juncus bufonius Alice Eastwood, John Thomas Howell 1937-4-24 3933 Orange Dana Point. Comment
  RSA734913  Juncus bufonius A. C. Sanders, Mitch Provance 2008-5-20 34520 Orange Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 345 Comment
  UC842337  Juncus bufonius Alice Eastwood and John Thomas Howell 1937-4-24 3933 Orange Dana Point Comment
  RSA788923  Juncus dubius Fred M. Roberts 1999-6-23 5245 Orange Peninsular Range, Santa Ana Mtns. Region: Lomas de Santiago: tributary to Santiago Creek, ridge between Limestone Cyn, and Santiago Creek wash across from Pancho Canyon, 1.6 km ENE Bolero Spr. and 1.6 km NNW Bolero Lookout. 396 Comment
  UCD169360  Juncus macrophyllus A. C. Sanders; Fred M. Roberts, Michelle Balk 2006-7-20 33045 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line. 366 Comment
  POM1553  Juncus mexicanus C. B. Bradshaw s.n. Orange Laguna Beach Comment
  UC729648  Juncus mexicanus E. R. Johnson 1932-5-5 Orange Santa Ana River bottom, near ranch house Santa Ana Canyon, Rancho Santa Ana 121 Comment
  RSA109  Juncus oxymeris J. T. Howell 1927-7-3 254 Orange Claymine Canyon near Sierra Peak. 305 Comment
  SEINET3880695  Juncus patens A. C. Sanders, Mitch Provance 2008-5-20 35399 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, mouth of Hangman Tree Canyon just above confluence with Santiago Creek Canyon, c. 1/2 mile below Modjeska Canyon confluence (El Toro 7.5' Q.).; 0 366 Comment
  RSA50308  Juncus phaeocephalus E. K. Balls 1949-5-9 13467 Orange [Rancho Santa Ana] Botanic Garden, Santa Ana River Canyon. 198 Comment
  UCR177288  Juncus phaeocephalus Scott D. White, Amanda Duchardt 2003-5-1 9151 Orange Santa Ana Mountains, Canada Gobernadora 122 Comment
  RSA794757  Juncus torreyi Justin M. Wood, Dustin M. Ray 2010-10-1 2774 Orange Santa Ana Canyon: Santa Ana River plus/minus 1 mi downstream of Gypsum Canyon Bridge, just upstream of large commercial development. Near drain outflow from Flood Control Levee on south side of channel. 110 Comment
  RSA542335  Juncus xiphioides Fred M. Roberts, K. Keane 1988-5-25 3985 Orange Ranch Mission Viejo: Lower Canada Chiquita, 2.5 kilometers SSE Medium Rancho Survey Mark. 82 Comment
  RSA17462  Juncus xiphioides Percy C. Everett 1936-9-19 8272 Orange Santa Ana Mountains, Silverado Canyon. 0.7 mile E of Shadybrook Resort. 701 Comment
  RSA588789  Juniperus californica Fred M. Roberts, Dave Bontrager 1990-4-18 4573 Orange Rancho Mission Viejo: ridge between Lower San Juan Canyon and Upper Christianitos Canyon. 3.0 km S Point Rancho Survey Marker 215 Comment
  RSA683839  Juniperus californica Scott D. White, Michael Honer 2003-5-29 9422 Orange Santa Ana Mtn foothills: Rancho Mission Viejo. Hills above Canada Gobernadora, west side of canyon, ca. 1 air mile north of Ortega hwy. 91 Comment
  IRVC16202  Juniperus monosperma Gordon A. Marsh, K. G. Marsh 1977-11-21 s.n. Orange Ortega Hwy, north side, near Hwy marker 31 and OC BM 3W-24-72, across San Juan Creek from Rancho Mission Viejo Cow Camp; naturalized, numerous small trees. Rancho Mission Viejo Comment
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Mar 28 2014
  RSA552937  Keckiella antirrhinoides Fred M. Roberts Jr. 1989-5-9 4339 Orange Santa Ana Mts: Gypsum Canyon, west fork, 5.6 km WNW Sierra Peak, c.a. 1 km S Highway 91. 146 Comment
  JEPS13626  Keckiella cordifolia Peter Kamb 1948-6-19 1100 Orange Holy Jim Canyon; Santa Ana Mts. 609 Comment
  RSA401705A  Keckiella cordifolia Albert J. Perkins 1923-6-24 s.n. Orange Silverado Canyon Comment
  RSA649976  Keckiella cordifolia Gat Shlomo 1959-5-12 33 Orange Carbon [Canyon] Comment
  UC1011911  Keckiella cordifolia F. W. Pennell and E. M. Harvey 1949-6-29 26806 Orange above San Juan Capistrano (Ortega Highway) 365 Comment
  UCR227631  Keckiella cordifolia Robt. L. Allen 2003-6-22 12288 Orange Santa Ana Mountains, west-facing flank of Santiago Peak, near the saddle between Santiago and Modjeska Peaks, along North Main Divide Road 1523 Comment
  RSA683235  Kickxia elatine Scott D. White, Matt Carlton 2003-11-20 9866 Orange Santa Ana Mountain foothills; San Juan Creek in San Juan Capistrano; (San Juan Capistrano). 24 Comment
  RSA683072  Koeleria macrantha Fred M. Roberts 2003-3-13 5592 Orange Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1,320m NW Sycamore Gate and 880m W Cristianitos Rd., ( 33 deg 29' 32N, 117 deg 34' 18W; [UTM 11S-04 46 917mE, 37 05 804mN 179 Comment
  RSA773502  Koeleria macrantha Fred M. Roberts 1999-5-14 5222 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 502 Comment
  UCR150914  Koeleria macrantha Valerie Soza, LeRoy Gross 1999-6-10 528 Orange Santa Ana Mountains, Southwestern extension of Modjeska Peak, off dirt road to summit, off Main Divide Road 1555 Comment
  CAS-BOT-BC174783  Koelreuteria bipinnata T. B. Salvato; Katie Kurtz; Mitch Provance 2006-10-15 1903 Orange South Coast: Irvine, San Diego Creek flood control channel, between Campus Drive and Michelson Drive 6 Comment
  CDA23164  Koelreuteria bipinnata Mark A. Elvin, D. G. Kelch 2006-12-9 5320 Orange Southern Coastal; Irvine; San Diego Creek, edge of San Joaquin Marsh, beside University Drive, between Campus Drive and Highway 73. Comment
  CDA35533  Koelreuteria bipinnata D. G. Kelch, Mark Elvin 2006-12-9 6 .556 Orange Irvine. University Dr along tidal creek just E of I-73. Comment
  CDA7193  Koelreuteria bipinnata T. B. Salvato, K. Kurtz, Mitch Provance 2006-10-15 1903 Orange South Coast; Irvine, San Diego Creek flood control channel, between Campus Drive and Michelson Dirve. Comment
  SD235021  Koelreuteria bipinnata R. E. Jr. Riefner 2006-11-14 06 673 Orange South Coast: Irvine, along San Diego Creek at Campus Ave. 3 Comment
  UCR186506  Koelreuteria bipinnata T. B. Salvato, Katie Kurtz, Mitch Provance 2006-10-15 1903 Orange South Coast, Irvine, San Diego Creek flood control channel, between Campus Drive and Michelson Drive 6 Comment
  UCR266665  Koelreuteria bipinnata Fred M. Roberts, Sandra L. Leatherman 2008-9-3 7081 Orange YORBA LINDA: Santa Ana River Canyon, Santa Ana River, 0.6 km W Gypsum Cyn. bridge, south of La Palma Ave 113 Comment
  IRVC29794  Koelreuteria paniculata Mark A. Elvin, Dean Kelch 2006-12-9 5320 Orange Irvine; San Diego Creek, edge of San Joaquin Marsh, beside University Dr., between Campus Dr. and Hwy 73. Southern Coastal 3 Comment
  RSA752818  Lactuca serriola A. C. Sanders, Fred M. Roberts 2008-8-7 36001 Orange Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
  RSA759155  Lactuca serriola A. C. Sanders, Fred M. Roberts 2008-6-17 35457 Orange Lomas de Santiago, Hicks Canyon Haul Road 0.5 mi. east of the Foothill Transportation Corridor 244 Comment
  UC303536  Laennecia coulteri I. M. Johnston 1918-9-3 2148 Orange ground about lakes Laguna Canyon; Upper Sonoran Zone, San Joachin Hills, Laguna Canyon 106 Comment
  UC1132162  Lamarckia aurea A. Lewis Apr 1934 377 Orange Coal Mine 304 Comment
  UCSB52935  Lastarriaea coriacea Roberts, Fred 1984-5-1 Orange Wagon Wheel Regional Park; Wagon Wheel Canyon; 3.1km NE Median Rancho Survey Mark; 1.2km NNW BM 422 165 Comment
  JEPS10158  Lasthenia coronaria Alice King 1908-1-1 Orange Santa Ana Comment
  RSA0024932  Lasthenia glabrata subsp. glabrata R. E. Riefner Jr. 2013-3-10 13 -39 Orange City of Lake Forest, along El Toro Rd. at Destry Rd. 211 Comment
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Apr 7 2021
  POM48548  Lasthenia gracilis F. M. Reed 1925-5-14 4968 Orange Aliso Canon. Comment
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May 1 2011
  UCR106311  Lasthenia gracilis B. G. Pitzer, M. Georgiady 1997-4-5 3095 Orange San Joaquin Hills, Crystal Cove State Park, portion across highway on the beach, bluffs immediately above beach and adjacent terraces for southeast end of park. 24 Comment
  UCR170139  Lasthenia gracilis Jeffrey Ross, R. Zaka 1998-5-2 39 Orange South Coast, North side of San Joaquin Hills; William R. Mason Regional Park, near intersection of Yale Avenue and University Drive 27 Comment
  RSA545171  Lasthenia gracilis Timothy S. Ross, Amy Kendall 1992-4-15 6194 Orange San Clemente Island. Central upland portion of the island, SW of 'Ledge'; 236 degrees SW, ca 170m distant from summit of 'Ledge.' 393 Comment
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Apr 7 2021
  RSA518451  Lathyrus vestitus subsp. laetiflorus Dorothy Tilforth, C. W. Tilforth 1977-3-6 1253 Orange Small canyon W of Gypsum Canyon, S side of Santa Ana River 152 Comment
  UC484235  Lathyrus vestitus var. alefeldii C. B. Wolf 1931-3-6 Orange 0.5 mi above Trabuco Oaks (w slope of Santa Ana Mts.); Santa Ana Mts., Trabuco Canyon 457 Comment
  SFV1820  Lathyrus vestitus var. vestitus E. R. Blakley 1957-4-26 2070 Orange State Route 140, 5 miles east of Mission San Juan Capistrano. 122 Comment
  RSA799619  Lavatera cretica Justin M. Wood 2011-4-12 3662 Orange South Coast: City of Costa Mesa. Fairview Park, just WNW of Marison Special Education Center. 24 Comment
  CAS-BOT-BC380859  Layia platyglossa P. A. Munz 1918-5-4 2172 Orange Laguna Comment
  RSA747636  Layia platyglossa Fred M. Roberts 2008-5-16 6983 Orange Dana Point: Dana Point Headlands, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor. 75 Comment
  IRVC18939  Layia platyglossa T. L. Ackerman 1982-4-24 82 -260 Orange S of Live Oak Canyon Rd., on dirt trail from road to Methodist Church; disturbed chaparral; Santa Ana Mountains Comment
  RSA724037  Leersia oryzoides R. E. Riefner 2004-9-18 4 -425 Orange City of Yorba Linda; Santa Ana River, Horseshoe Bend, near La Palma Rd. and Via Del Rio Rd. 105 Comment
  UCR102631  Lemna B. G. Pitzer 1996-4-30 2786 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  CAS-BOT-BC534382  Lemna gibba Mr. M. F. Braolshane 1904-8-1 s.n. Orange Arch Beach Comment
  CAS-BOT-BC527309  Lemna trisulca John Thomas Howell 1927-7-15 2776 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  RSA759148  Leontodon saxatilis Robt Allen 2008-4-9 s.n. Orange Irvine, Irvine Valley College, near N entrance to Student Services building. 53 Comment
  CAS-BOT-BC221602  Lepechinia cardiophylla John Thomas Howell 1927-6-26 2606 Orange Claymine Canon [Canyon] n. Santa Ana Mts. 609 Comment
  RSA12900  Lepechinia cardiophylla E. R. Johnson, Percy C. Everett 1935-1-14 s.n. Orange Open firebreak on slopes of Sierra Peak, along road to Claymine Canyon 610 Comment
  RSA649677  Lepechinia cardiophylla R. E. Riefner Jr. 2000-8-3 20 -706 Orange NCCP North Ranch Policy Plan Area. E of Main Divide Road and Windy Ridge cypress forest. 535 Comment
  UCR27070  Lepechinia cardiophylla T. P. Krantz 1981-6-18 s.n. Orange Santa Ana Mtns, Ridge west of Sierra Peak along the roadside Comment
  RSA741724  Lepechinia cardiophylla R. E. Riefner Jr. 2008-6-12 8 -152 Orange Irvine Ranch Reserve, Fremont Canyon Conservation Easement, W Fremont Canyon, Windy Ridge S to W fork canyon habitat. 515 Comment
  RSA697417  Lepidium didymum J. R. Bruff 1927-3-22 2 -P Orange Near Newport. Comment
  UCR112097  Lepidium lasiocarpum A. C. Sanders, D. Malueg, K. D. Jones 2000-4-19 23338 Orange Pacific Coast, Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St. 11 Comment
  RSA753424  Lepidium lasiocarpum var. lasiocarpum D. E. Bramlet 2008-4-14 4176 Orange Eastern Upper Weir Cyn., 83m S dirt access road & 272 m west of Gypsum Cyn. 417 Comment
  IRVC29818  Lepidium latifolium Mary H. White, Mark A. Elvin 2006-9-23 92306 4 Orange San Joaquin Marsh Freshwater Marsh, UC Natural Reserve; SW edge, along San Diego Creek, N of University Drive, E Hwy 73. Southern Coastal 2 Comment
  IRVC25562  Lepidium nitidum Fred M. Roberts 1989-3-17 4209 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  CAS-BOT-BC12524  Lepidium nitidum Ira L. Wiggins 1966-3-5 20511 Orange About 0.5 mile wst of El Toro Post Office, along Highway S-18. Comment
  SD215443  Lepidium ruderale Louis C. Wheeler 1947-5-4 6476 Orange 4.5 miles south of Santa Ana; South Main Street Extension, 0.8 mile south of Newport Avenue. Comment
  UCR239647  Lepidium strictum Fred M. Roberts 2012-5-9 7552 Orange Santa Ana Mountains, Lake Forest, near Serrano Creek utility road, 0.3 m south-southwest of intersection of Commercentre and Dimension Drives 206 Comment
  UCR240087  Lepidospartum squamatum Dick Newell, Judy Booth 2012-6-3 262 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Maple Springs Truck Trail/Silverado Canyon Rd., 1.6 miles ENE of Maple Springs Gate 741 Comment
  RSA161259  Leptochloa fusca subsp. uninervia P. H. Raven 1961-10-15 16851 Orange Anaheim: Santa Ana River Bed at Anaheim Street crossing 61 Comment
  RSA703196  Leptochloa fusca subsp. uninervia R. E. Riefner Jr. 2004-8-8 4 -373 Orange City of Anaheim, Santa Ana River bottom, E of 57 Freeway between Orangewood Street and Chapman Avenue. 41 Comment
  RSA87135  Leptochloa fusca subsp. uninervia F. W. Peirson 1924-8-29 5062 Orange Santa Ana. Comment
  RSA759202  Leptosiphon ciliatus Robt. Allen, Reginald Durant 2008-5-16 s.n. Orange Maple Springs Saddle. Inside region of 180 degree bend in road. On N-facing slope 1382 Comment
  RSA696977  Leptosiphon floribundus Keith E. Hoffmaster 1932-4-17 s.n. Orange Santa Ana Mts. [Orange/Riverside Cos] Comment
  RSA708223  Leptosiphon floribundus subsp. floribundus Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6216 Orange Main Divide Road, ridge between Silverado and Bixby Canyons, coastal slope, 0.46km (air) S Bald Peak. 1203 Comment
  POM10433  Leptosiphon floribundus subsp. glaber H. M. Hall s.n. Orange Santa Rosa Mts. Comment
Read comments
Mar 3 2013
  POM364668  Leptosiphon floribundus subsp. glaber Anstruther Davidson 3068 Orange Modjesta Ranch. Comment
  RSA507487  Leptosiphon liniflorus Jeri Hirshberg 1988-6-7 s.n. Orange Santa Ana Mountains, head of Gypsum Canyon 412 Comment
  RSA184056  Leymus condensatus I. L. Wiggins 1965-9-26 20255 Orange Carbon Canyon; about 3.5 miles above its mouth., [33 deg 55'N, 117 deg 50'20W] Comment
  UC971744  Leymus condensatus L. M. Booth 1932-5-30 1136 Orange Newport Bay Comment
  RSA0023265  Leymus triticoides R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49775 Orange Santa Ana Mountains: Trabuco Canyon Comment
  IRVC29886  Ligustrum japonicum Mark A. Elvin, D. Kelch, Barry S. Nerhus, Patricia Iluore 2006-12-9 5327 Orange Newport Backbay; along Bayside Drive ca. 100 m W of Eastbluff Dr. Southern Coastal 5 Comment
  UCR113455  Lilium humboldtii subsp. ocellatum R. E. Riefner Jr. 2000-6-30 20- 594 Orange Santa Ana Mountains, North Ranch Policy Plan Area, N Fremont Canyon at Donaldson Ranch, adjacent to powerline crossing on W fork of Fremont Cyn drainage 427 Comment
  UCR237813  Lilium humboldtii subsp. ocellatum Dick Newell, Judy Booth 2012-7-8 280 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, on Maple Springs Road 2.25 mi. NE of Maple Springs gate 915 Comment
  CDA1076  Limonium binervosum D. G. Kelch 2006-12-9 6 .547 Orange Along Newport Back Bay Dr. in side canyon. Comment
  SD80979  Limonium californicum Ted H. Thorsted Jr. 1970-8-17 33 Orange ca. 4 miles south of Seal Beach, NE of Pacific Coast Hwy at Bolsa Chica Salt Marsh Comment
  UC1789094  Limonium duriusculum R. E. Riefner Jr. 2005-9-9 05 -664 Orange City of Lake Forest, along Aliso Creek near Portola Pkwy, at El Toro Road. 225 Comment
Read comments
Jul 5 2010
  UC1873119  Limonium duriusculum R. E. Riefner Jr. 2005-11-23 05 -772 Orange City of Newport Beach, Newport Bay, Bay View Dr. at Jamboree Road 6 Comment
  UCR266377  Limonium duriusculum D. E. Bramlet 2009-11-27 4417 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  UC1923253  Limonium preauxii R. E. Riefner Jr. 2008-2-25 8 -25 Orange City of Lake Forest, Lake Forest Blvd. near Ranch Rd. at Serrano Creek 229 Comment
  RSA716344  Limonium ramosissimum R. E. Riefner 2006-8-11 6 -386 Orange Upper Newport Bay, E of Back Bay - Bayside Dr. flats along Big Canyon Creek. 5 Comment
  RSA723547  Limonium ramosissimum R. E. Riefner 2005-11-4 5 -739 Orange City of Rancho Santa Margarita, along Robinson Ranch Rd. near North Peak Rd. 500 Comment
  RSA2111  Linanthus californicus C. B. Wolf 1931-3-6 1831 Orange 1.5 miles below Trabuco Oaks along Trabuco Canyon Road 305 Comment
  RSA5277  Linanthus californicus B. D. Stark 1932-12-15 4453 Orange Rancho Santa Ana, slope above grove #4. 145 Comment
  RSA584716  Linanthus californicus subsp. glandulosus Fred M. Roberts 1989-5-18 4370 Orange Santa Ana Mountains: Upper Gypsum canyon, above ridge road, ca. 6.4 km WSW Sierra Peak. 415 Comment
  UCR191782  Linanthus dianthiflorus A. C. Sanders, Fred M. Roberts 2008-3-25 34559 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR209333  Linanthus dianthiflorus Fred M. Roberts 2009-4-11 6887 Orange Lomas de Santiago, Loma Ridge, upper Dripping Springs Canyon, 0.9 km northeast of Bee Peak and 1.2 km west-northwest of Dripping Springs 448 Comment
  RSA3188  Linanthus dianthiflorus subsp. dianthiflorus C. B. Wolf 1932-3-8 2675 Orange 1/2 mile N of Corona del Mar, Newport Bay. 8 Comment
  RSA73085  Linanthus dianthiflorus subsp. dianthiflorus F. W. Peirson 1923-3-25 3369 Orange Aliso Creek, near Laguna Beach. Comment
  UC729649  Linanthus floribundus subsp. glaber E. R. Johnson May 1932 Orange between Skyline Drive and Santiago Peak; Santa Ana Mts. 1219 Comment
  JEPS33699  Linanthus liniflorus John Thomas Howell 1927-6-8 2458 Orange Santa Ana Canyon 182 Comment
  UC908693  Linanthus liniflorus J. T. Howell 1927-6-8 2458 Orange Rancho Santa Ana Rancho Santa Canyon 182 Comment
  CLARK-A1528-3481  Linanthus nuttallii subsp. floribundus John C. Roos 1937-5-10 2073 Orange Comment
  RSA752710  Linaria canadensis Fred M. Roberts 2008-3-19 6787 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor. 60 Comment
  CDA6326  Linaria maroccana J. McNeill 1969-4-1 3034 Orange The Bluffs, Eastbluffs, Newport. Comment
  RSA632420  Lithophragma affine Valerie L. Soza, LeRoy Gross 1999-6-10 521 Orange Santa Ana Mountains: Southwestern extension of Modjeska Peak, off dirt road to summit, off Main Divide Road. 1554 Comment
  IRVC21379  Lobelia dunnii var. serrata A. S. Boughey 1968-7-9 405 Orange Santa Ana mtns: upper Santiago Canyon. Peninsular Ranges Comment
  RSA651345  Lobularia maritima Norman Willis 1948-2-8 s.n. Orange 2 miles E of Orange 60 Comment
  RSA0073645  Logfia filaginoides Fred M. Roberts, Lee Ann Caranza, Eliza Maher 2009-4-7 7146 Orange South Coast Region: DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 50 Comment
  UCR281546  Logfia filaginoides Mitch Provance, Jeremiah George 2017-3-20 317- 117 Orange West Coyote Hills, Fullerton, vicinity of Utility Access Roads E of Gilbert Street and N of Castlewood Dr., on land previously occupied by oil fields. 137 Comment
  CHSC35329  Lolium multiflorum James Henrickson 1972-10-21 8063 Orange Newport Beach, So. of Jamboree Rd., E. of Irvine Coast Country Club near U.C. Irvine. In grassland eventually to be used for large Newport Beach Business Center. 45 Comment
  UC537116  Lolium multiflorum Lawrence M. Booth 1932-5-15 1203 Orange Newport Bay Costa Mesa; Newport Bay Comment
  UC729650  Lolium multiflorum Carl B. Wolf 1932-6-13 3714 Orange Fullerton; Rose Drive 53 Comment
  UC729881  Lolium multiflorum Carl B. Wolf 1932-7-7 3858 Orange Bryant Ave., at pump house 1/2 e, Bryant Ranch, ne corner S.E.160 of Sect.30 Los Alamitos Blvd. Comment
  RSA708235  Lolium perenne Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6155 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  RSA6058  Lolium perenne C. B. Wolf 1932-6-13 3714 Orange Fullerton, Rose Drive 53 Comment
  RSA697737  Lolium perenne subsp. multiflorum Minor Warne 1934-5-11 s.n. Orange Talbert Drainage. Comment
  CAS-BOT-BC271069  Lolium temulentum P. A. Munz 1918-5-4 2202 Orange Laguna Comment
  JEPS69291  Lolium temulentum Lawrence M. Booth 1932-5-19 1078 Orange Newport Bay Comment
  RSA1492  Lomatium dasycarpum subsp. dasycarpum E. R. Johnson 1929-4-11 1255 Orange Sierra Peak Trail. Comment
  IRVC21254  Lomatium lucidum Fred M. Roberts 1982-7-7 735 Orange Niguel Hill, 1.6km SE Aliso Peak; 0.7km E BM 133, South Laguna 231 Comment
  RSA0105319  Lomatium lucidum J. D. Olmsted 1959-5-1 518 Orange 500 yards west of Oat Flat past Johnson s dam; 9 mi. SW of Corona. Santa Ana Mountains. Drainage area: to Irvine Res. 792 Comment
  SEINET10465145  Lonicera subspicata James S. Miller 1992-5-8 Miller 7451 Orange 2 mi E of the border of Cleveland National on California route 74. 310 Comment
  UCSB47997  Lonicera subspicata var. denudata Roberts, Jr., Fred 1980-7-7 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 2.4 km. ENE San Juan Guard Station; 0.3 km. W bench mark 1100 345 Comment
  RSA234567  Lotus corniculatus James Henrickson 1970-8-22 5300 Orange 2.5 miles NNW of Huntington Beach. 0 Comment
  RSA0011213  Lotus heermannii Eileen McCollum 1932-4-23 s.n. Orange Hill near Robbers Peak. Comment
  RSA681848  Lotus salsuginosus Scott D. White, Michael Honer 2003-6-12 9541 Orange Southwestern Santa Ana Mtn. Foothills: Rancho Mission Viejo. Upper end of Trampas Canyon. 152 Comment
  RSA734344  Lotus salsuginosus A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34631 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 366 Comment
  RSA734346  Lotus salsuginosus A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34637 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 396 Comment
  RSA751257  Lotus salsuginosus A. C. Sanders, Fred M. Roberts 2008-7-16 35882 Orange Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 358 Comment
  RSA234521  Lotus scoparius James Henrickson 1970-7-24 5005 Orange 3 miles NW of Huntington Beach on sandy ''Rabbit'' Island in Bolsa Chica Salt March near Inner Bolsa Bay. 1 Comment
  RSA554622  Lotus scoparius Scott D. White 1992-10-14 965 Orange Vicinity of city of Brea, immediately N of Carbon Canyon Road.& E of Placentia Ave., ca. 1 mile (airline) SSE of Tonner Canyon. 183 Comment
  HSC98259  Lotus scoparius J. J. Wagoner 1965-4-11 14 Orange 6 mi. N of Modjeska Canyon near Irvine Lake off of Irvine Rd. 152 Comment
  UCR223427  Lotus scoparius subsp. scoparius Dick Newell, Don Millar 2011-2-15 059 Orange South Coast, San Joaquin Hills, Laguna Wilderness Park, along Stagecoach Trail 131 Comment
  IRVC2243  Lotus scoparius subsp. scoparius S. Holloway 1965-4-1 Orange Corona del Mar. Newport Beach Comment
  JEPS55878  Lotus strigosus Alice King Mar 1908 Orange Anaheim plains Anaheim Comment
  RSA390  Lotus strigosus J. T. Howell 1928-4-7 899 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  UCR168249  Lotus strigosus M. B. Dunkle 1933-3-5 3087 Orange Southern Coast, San Juan Canyon 305 Comment
  UCR4074  Lotus strigosus Carole Sims 1965-3-25 s.n. Orange Santa Ana River Canyon, hillside at 24000 Santa Ana Canyon Road (= State Hwy 91), 150 yards north of hwy; also called Gypsum Canyon. West side of gravel company's trucking road. 221 Comment
  IRVC21682  Lotus strigosus var. strigosus Fred M. Roberts 1975-5-7 75 60 Orange Dana Point: 0.7km N Dana Hills High School southern coastal 91 Comment
  RSA542578  Lotus strigosus var. strigosus Fred M. Roberts 1988-3-15 3846 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  RSA562813  Lotus wrangelianus Steve Boyd, T. S. Ross 1992-5-20 7485 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon at the Lucas Canyon Trail crossing. 320 Comment
  UCR266379  Ludwigia D. E. Bramlet 2009-11-20 4426 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  CDA1047  Ludwigia peploides D. G. Kelch 2006-12-9 6 .561 Orange Irvine. University Dr along tidal creek just E of I-73. Comment
  RSA48859  Ludwigia peploides subsp. peploides J. C. Roos 1949-10-1 4685 Orange Doheney Beach. [Now Capistrano Beach] Comment
  RSA681016  Lupinus bicolor Fred M. Roberts, David E. Bramlet 2003-3-13 5576 Orange Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 197 Comment
  UCR240260  Lupinus bicolor D. E. Bramlet 2003-3-20 3350 Orange South Coast, Donna O'Neill Reserve; NE corner of the reserve, 150 m west of Cristianitos Rd. and 1.9 km north of the E-W access road 134 Comment
  IRVC2287  Lupinus bicolor subsp. umbellatus McRae 1965-4-8 HS 0426 Orange Costa Mesa Southern Coastal Comment
  IRVC2291  Lupinus bicolor subsp. umbellatus Pat Rolfe 1965-4-8 HS 0425 Orange Newport Beach Southern Coastal Comment
  UCR234148  Lupinus excubitus Dick Newell, Judy Booth 2012-5-6 248 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Road, 1.2 miles NE of Maple Springs gate, Cleveland National Forest 695 Comment
  UCR46561  Lupinus excubitus B. G. Pitzer, D. C. Hawks 1986-10-21 342 Orange Peninsular Ranges; Santa Ana Mountains, Lomas de Santiago, c. 10 mi east of Santa Ana along Jeffrey Rd. in Hicks Canyon, c. 1.0 mi north of South Coast Gun Club 183 Comment
  CAS-BOT-BC216671  Lupinus excubitus subsp. hallii Charles Piper Smith 1946-4-12 46153 Orange Santa Ana Canyon Comment
  RSA28730  Lupinus excubitus var. hallii R. S. Woglum 1938-5-8 1619 Orange Ortega Hwy, Santa Ana Mts Comment
  RSA3236  Lupinus excubitus var. hallii Carl B. Wolf 1931-5-20 2056 Orange Along Santa Fe R. R. 1 mile west of Esperanza 107 Comment
  RSA731993  Lupinus hirsutissimus A. C. Sanders, L. Farley, F. M. Roberts, D. E. Bramlet 2008-4-1 34654 Orange Peninsular Range: Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 250 Comment
  UCSB47613  Lupinus hirsutissimus Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail, 0.4 km. NNE Falcon Group Camp (near Blue Jay CG); Santa Ana Mountains 1067 Comment
  LA205140  Lupinus latifolius var. parishii Norman C. Cooper; 1944-6-4 1336 Orange San Juan Canyon 548 Comment
  CAS-BOT-BC217748  Lupinus longifolius E. R. Johnson 1932-4-15 2956 Orange Rancho Santa Ana, 1 mi. NW of Roundtop (Section 16) 457 Comment
  RSA682918  Lupinus microcarpus Scott D. White, Amanda Duchardt 2003-5-1 9152 Orange Santa Ana Mtn Foothills; slopes above the west side of Canada Gobernadora and adjacent small canyon to the west. 76 Comment
  IRVC21666  Lupinus microcarpus var. microcarpus R. L. Allen 1979-2-28 A 6 Orange Mission Viejo: right shoulder of Interstate 5, northbound, near Alicia Bridge. Southern Coastal Comment
  SJSU10767  Lupinus sparsiflorus G. B. Youngberg 1956-3-27 186 Orange Irvine Park c. 8 mi E of Orange 259 Comment
  UCR191351  Lupinus sparsiflorus A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34638 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 330 Comment
  UCSB50689  Lupinus sparsiflorus Phillips, B. 1980-5-3 Orange Highway 74, 0.3 miles east of the San Juan Guard Station 237 Comment
  IRVC2305  Lupinus sparsiflorus subsp. sparsiflorus E. P. Cowper 1965-4-3 s.n. Orange Modjeska Canyon Santa ANa Mountains Comment
  IRVC2335  Lupinus sparsiflorus subsp. sparsiflorus D. Frees 1965-3-13 s.n. Orange Santa Ana Mtns: Silverado Cyn. Peninsular Ranges Comment
  RSA649056  Lupinus sparsiflorus subsp. sparsiflorus D. E. Bramlet 2000-4-21 2991 Orange Ridge 488m northeast (above) the MWD access road. the site is 1.3 km west of Blind Canyon and 640m north of Irvine Park. 268 Comment
  RSA683169  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White, Amanda Duchardt 2003-4-10 9020 Orange Santa Ana Mountain Foothills: Ridges & east-facing canyons above Trampas Canyon. 122 Comment
  IRVC19804  Lupinus sparsiflorus subsp. sparsiflorus Karlin G. Marsh 1983-4-11 s.n. Orange Laguna Beach: Sycamore Hills, main ridge, head of El Toro-4 canyon. Southern Coastal Comment
  RSA414281  Lupinus sparsiflorus subsp. sparsiflorus E. Crow 1929-4-7 301 Orange Corona skyline Drive, Santa Ana Mts Comment
  IRVC24922  Lupinus succulentus Fred M. Roberts, Gordon Marsh 1986-6-6 2990 Orange Black Star Canyon, Black Star Canyon Rd., 6.6km SSW Sierra Peak. Santa Ana Mountains 460 Comment
  UCR223415  Lupinus succulentus Dick Newell, Don Millar 2011-2-8 051 Orange Peninsular Range; Santa Ana Mtns., lower Black Star Canyon, along access road ('State Spur') to Lakeview Rd. 260 Comment
  IRVC20345  Lupinus truncatus Fred M. Roberts 1983-3-10 892 Orange Dana Point Headlands: S of Scenic Drive, 0.3km W Dana Point Harbor; 0.8km S Richard Henry Dana School. Southern Coastal 60 Comment
  RSA414397  Lupinus truncatus Fay A. MacFadden 1931-3-1 2939 Orange Laguna Beach, Orange County Comment
  RSA681014  Lupinus truncatus Fred M. Roberts, D. E. Bramlet 2003-3-13 5580 Orange Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 207 Comment
  RSA732078  Lupinus truncatus A. C. Sanders, Fred M. Roberts 2008-3-25 34566 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  UCR193438  Lupinus truncatus A. C. Sanders, Mitch Provance 2008-5-20 35393 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, mouth of Hangman Tree Canyon just above confluence with Santiago Creek Canyon, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  UCR274870  Lycium brevipes var. brevipes R. E. Riefner Jr. 2012-1-16 12- 7 Orange South Coast, city of Newport Beach, Corona Del Mar, Buck Gully, near Little Corona Beach, vicinity of Poppy Ave. and Ocean Blvd., slope adjacent to restroom facility 15 Comment
  OBI9188  Lycium californicum Dieter H. Wilken, Timothy LeBlanc 1966-1-7 621 Orange Dana Point, N of San Juan Capistrano 3 Comment
  RSA743464  Lycium californicum Fred M. Roberts 2008-5-27 7010 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 45 Comment
  SD237629  Lycium californicum T. B. Salvato 2010-9-27 5101 Orange South Coast: Dana Point Headlands, Harbor Point Park, south of Scenic Drive and Cove Road, beyond the end of Green Lantern Street, overlooking Dana Point Harbor (Dana Point 7.5'Q) 52 Comment
  UC303755  Lycium californicum I. M. Johnston 1918-5-5 1949 Orange Laguna Beach Comment
  RSA0071939  Lycium californicum CNPS Accuracy Assessment Team 2014-7-22 6468 .1 Orange Crystal Cove State Park. Comment
  UC537266  Lythrum hyssopifolia Lawrence M. Booth 1932-7-19 1282 Orange Bolsas March Comment
  UCR193072  Lythrum hyssopifolia A. C. Sanders, Mitch Provance 2008-5-20 35422 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 355 Comment
  POM20997  Malacothamnus fasciculatus F. W. Peirson 1923-3-25 3398 Orange Aliso Creek, Laguna Comment
  SD87624  Malacothamnus fasciculatus F. W. Pearson 1924-5-31 4662 Orange sea bluffs, Laguna Comment
Read comments
Jul 15 2013
  UCR193784  Malacothamnus fasciculatus A. C. Sanders, Fred M. Roberts 2008-7-3 35677 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation Corridor 415 Comment
  UCR3184  Malacothrix saxatilis Chuck Elliott 1964-5-2 s.n. Orange Los Angeles Basin Region, Carbon Canyon 61 Comment
  IRVC22734  Malacothrix saxatilis var. tenuifolia Fred M. Roberts 1985-5-13 1787 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  RSA768118  Malacothrix saxatilis var. tenuifolia E. W. Lathrop 1974-6-27 7407 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  CDA8325  Malacothrix saxatilis var. tenuifolia T. C. Fuller 1962-6-7 8875 Orange Brea Canyon Road to Pomona, 1.2 miles north of Brea. 0 Comment
  IRVC29870  Malephora crocea Mark A. Elvin, D. Kelch 2006-12-9 5297 Orange Newport Backbay; Big Canyon, lower end. Southern Coastal 3 Comment
  RSA48858  Malephora crocea J. C. Roos 1949-10-1 4687 Orange Doheney Beach. [Now Capistrano Beach] Comment
  CAS-BOT-BC167851  Malosma laurina John Thomas Howell 1927-7-16 2784 Orange Hills on north side of Santa Ana [Canon] Canyon 152 Comment
  UCR193003  Malva parviflora A. C. Sanders, Fred M. Roberts 2008-6-17 35456 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Hicks Canyon Haul Road 0.5 mi. east of the Foothill Transportation Corridor 244 Comment
  UCR237818  Malva parviflora Mark A. Elvin 2003-2-2 2287 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  RSA647943  Malva parviflora Michelle Manolovitz, Brian Manolovitz 1992-5-24 43 Orange 1000 ft. northwest of Chino Hills State Park Boundary. 244 Comment
  RSA716091  Malvaviscus arboreus Fred M. Roberts 2006-7-27 6394 Orange San Joaquin Hills: Laguna Beach, Temple Hill, 731 Nyes Place, 1.0km NNE Golf Island. 174 Comment
  RSA0093741  Malvella leprosa Fred M. Roberts 2014-4-21 7849 Orange South Coast. SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin. 113 Comment
  CSUSB584  Marah macrocarpa Cesareo Perez 1971-5-7 Orange South Mesa Drive and Lemon Street, Villa Park [city]. Comment
  RSA441222  Marah macrocarpa L. C. Wheeler 1934-1-14 2356 Orange 1 mile E mouth of Aliso canyon near Laguna. 30 Comment
  UCR191342  Marah macrocarpa A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34619 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  UCR221458  Marah macrocarpa Dick Newell, Don Millar 2010-11-30 48 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Agua Chinon Canyon 232 Comment
  UCR240180  Marsilea drummondii R. E. Riefner Jr. 2008-6-22 08- 209 Orange city of Yorba Linda, Santa Ana Canyon, Santa Ana River, La Palma Avenue near Old Village Road 96 Comment
  UC1543207  Matricaria discoidea Donald G. Nelson 1935-3-24 188 Orange s side Santa Ana Canyon (along highway to Riverside County, ne Orange County) Comment
  CAS-BOT-BC348161  Matricaria discoidea C. L. Hitchcock; C. V. Muhlick 1964-3-17 23065 Orange 8 miles e. of Yorba Linda, Santa Ana Canyon Comment
  CAS-BOT-BC348163  Matricaria discoidea Ira L. Wiggins 1966-3-22 20553 Orange Silverado Canyon about 1/2 mi. below entrance to Cleveland National Forest Comment
  POM49391  Matricaria matricarioides L. R. Abrams 1901-6-12 1772 Orange Laguna. Comment
  RSA923  Matricaria matricarioides J. T. Howell 1928-2-7 822 Orange Near the ranch houses, Rancho Santa Ana 152 Comment
  RSA202176  Matricaria occidentalis L. M. Booth 1932-5-12 1011 Orange Newport Bay. Comment
  CAS-BOT-BC60301  Matthiola incana E. K. Balls 1955-4-4 20423 Orange West end of Newport Beach. 3 Comment
  UCR156570  Medicago minima Robt. L. Allen 1983-4-13 A 638 Orange Santa Ana, 3030 Camille St. at Arapaho Dr. [E side of Santa Ana River] 21 Comment
  IRVC2371  Medicago polymorpha D. Van Gorden 1965-5-2 s.n. Orange Anaheim and Meyer Field. Costa Mesa Comment
  RSA737483  Medicago polymorpha Fred M. Roberts 2008-3-12 6733 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA746484  Medicago rigidula R. E. Riefner Jr. 2008-5-1 08 -73 Orange City of San Juan Capistrano, San Juan Creek area, ca. 0.2 mi W of intersection of Paseo Tirador and Calle Arroyo St. 31 Comment
  JEPS65531  Medicago sativa Lawrence M. Booth 1932-5-19 1077 Orange Newport Bay Comment
  SD237448  Medicago truncatula A. C. Sanders, Fred M. Roberts 2008-3-25 34521 Orange Peninsular Range: Santa Ana Mountains: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills (Black Star Canyon 7.5'Q) 259 Comment
  RSA746473  Medicago truncatula R. E. Riefner Jr. 2007-4-12 07 -178 Orange City of Orange, SW portion of Irvine Regional Park; Irvine Park Rd. 188 Comment
  RSA746478  Medicago truncatula R. E. Riefner Jr. 2008-3-24 08 -64 Orange Rancho Santa Margarita, Tijeras Canyon, N ca. 0.5 mi from Meandering Trails Rd. on Antonio Pkwy. 221 Comment
  UCR186145  Melaleuca citrina Robert DeRuff 1999-3-5 512 Orange Southern Coast, Newport Beach, Newport Back Bay, along Backbay Dr. between Big Canyon and Eastbluff Dr. 15 Comment
  UCR191361  Melica imperfecta A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34628 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  IRVC2397  Melilotus albus Anonymous 1965-3-14 s.n. Orange Dana Point. Southern Coastal Comment
  RSA798096  Melilotus albus Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49585 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCR210375  Melilotus albus T. B. Salvato, Billy Deane 2006-10-16 1933 Orange South Coast, Irvine, San Diego Creek flood control channel, between Michelson Drive and the 405 FWY 12 Comment
  RSA5603  Melilotus albus Carl B. Wolf 1932-6-28 3756 Orange Bryant Ranch: along western half of north boundary of 40 acre Valencia orange grove at Bryant Ave. and Hansen Road. 9 Comment
  IRVC2407  Melilotus indicus D. Ibbetson 1965-4-12 s.n. Orange Newport Beach Southern Coastal Comment
  IRVC2431  Melilotus indicus C. Weir 1965-4-17 s.n. Orange Newport Beach; Balboa Island. Southern Coastal Comment
  OBI30222  Melilotus indicus Nancy J. Mann 1976-5-16 s.n. Orange 1.2 mi N of Modjeska Cyn rd on Santiago cyn rd, Charlton Ranch, Santa Ana Mts. Area burned 8 Dec. 1975 Comment
  RSA4766  Melilotus indicus James Snow 1932-1 s.n. Orange Bryant Ranch, near Long Beach. Comment
  UCR175055  Melilotus indicus Vanessa Lee 2005-4-24 s.n. Orange South Coast, Crystal Cove, Laguna Beach, above Pacific Coast Highway 61 Comment
  RSA0054855  Melilotus indicus Grace Adams 1938-5-29 s.n. Orange Santiago Creek. Comment
  RSA725523  Mentha spicata var. spicata Fred M. Roberts, Robert L. Allen 2007-9-28 6601 Orange Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado. 347 Comment
  RSA759106  Mentzelia Robt. Allen, Genevieve Walden 2008-6-26 s.n. Orange Modjeska Peak. N face, along access road up Modjeska Peak, outside the sharp bend in the extreme N end of the road. Survey point 47. 1514 Comment
  UCR224406  Mentzelia micrantha Robt. L. Allen, Genevieve Walden 2008-6-26 s.n. Orange Santa Ana Mountains, along access road to Modjeska Peak, outside the sharp bend in the extreme north end of the road. Survey Point #47 1514 Comment
  SEINET11942235  Mesembryanthemum nodiflorum J. F. Bright, Wyman, C. 1933-1 8222 Orange Comment
  UCSB48069  Micranthes californica Roberts, Fred 1981-4-11 Orange Santa Ana Mtns.: San Juan Cyn, 2.3km ENE San Juan Guard Station; 0.4km W Bench Mark 1100, below Hwy 74 315 Comment
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Oct 28 2018
  UCR177441  Micropus californicus Scott D. White, Amanda Duchardt 2003-3-27 8860 Orange Peninsular Ranges/Santa Ana Mtns, Canyon bottom and W-facing slopes above Canada Gobernadora 183 Comment
  UCR119310  Micropus californicus var. californicus R. E. Riefner Jr. 2000-4-27 20- 387 Orange Santa Ana Mountains, North Ranch Policy Plan Area, along dirt road running south from Baker Canyon Road to Silverado Road 335 Comment
  UC1952573  Microseris douglasii subsp. platycarpha D. Bramlet 1994-4-30 2375 Orange At the base of the San Joaquin Hills and east of the Quail hill area. Open flatlands 152 m NW of the end of San Canyon Ave. and some 396 m south of the San diego freeway. Comment
  UCR142519  Microseris douglasii subsp. platycarpha D. E. Bramlet 2000-4-17 2983 Orange Peninsular Range; Santa Ana Mtns., 2 km west of Blind Canyon and 305m north of Irvine Park, 183m southwest of MWD access road 220 Comment
  UCR158095  Microseris douglasii subsp. platycarpha Adrian Wolf 1998-5-4 203 Orange South Coast, Coastal Hills, Aliso/Woods Canyon Regional Park, Aliso Canyon 0.75 km SW of Woods Canyon, 2.25 km NNW of Aliso Water Treatment Plant, north of access road 30 Comment
  UCR158096  Microseris douglasii subsp. platycarpha Adrian Wolf 1998-4-25 150 Orange South Coast, San Joaquin Hills, upper Coyote Canyon, 1 km NW of Signal peak, 2.5 km east of San Joaquin Reservoir 268 Comment
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Nov 21 2015
  UCR208155  Microseris douglasii subsp. platycarpha Fred M. Roberts, D. E. Bramlet 2003-3-27 5621 Orange Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.79km N Sycamore Gate, 0.23km W Cristianitos Rd. 126 Comment
  RSA749850  Microseris heterocarpa Scott D. White, Amanda Duchardt 2003-3-27 8850 Orange Santa Ana Mountain Foothills: Canyon bottom and west facing slopes above Canada Gobernadora. 91 Comment
  UCR191431  Microseris heterocarpa A. C. Sanders, Fred M. Roberts 2008-4-8 34767 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Loma Ridge Spur Rd., above Dripping Springs Loop Rd. 457 Comment
  JEPS87319  Mimulus David M. Thompson 1992-5-16 1067 Orange 2.4 mi n Hwy 1 (along Hwy 133 (Laguna Canyon Road)) 50 Comment
  UC943889  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-9 1910 CD Orange ca. 5 mi e Laguna Beach (on Laguna Canyon Highway) Comment
  SEINET12269785  Mimulus aurantiacus Unknown 1933-1 8205 Orange back of La Guna Beach Comment
  POM311164  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-9 1909 -F&G Orange North slope Laguna Canyon ca. 4 mi. east of Laguna Beach. Comment
  POM311166  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-9 1909 -E Orange North slope Laguna Canyon ca. 4 mi. east of Laguna Beach. Comment
  UCD122401  Mimulus aurantiacus var. pubescens R. S. Woglum 1932-4-16 s.n. Orange Trabuco Canyon. Comment
  RSA442701  Mimulus aurantiacus var. puniceus T. W. Minthorn 1913-4-26 s.n. Orange Santiago Creek. Comment
  RSA698961  Mimulus brevipes Dorothy Sammis s.n. Orange Silverado Canyon Comment
  RSA0045522  Mimulus brevipes Stephen Bruff s.n. Orange Lemon H[e]ights [a neighborhood of Tustin?]. PR8. Comment
  RSA0054841  Mimulus brevipes Keith E. Hoffmaster 1934-4-8 150 Orange Santa Ana mts. Comment
  RSA726  Mimulus cardinalis J. T. Howell 1927-7-6 283 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  RSA447957  Mimulus guttatus M. B. Dunkle 1934-6-18 3948 Orange San Juan Canyon. 305 Comment
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Jun 14 2012
  RSA710408  Mimulus guttatus Fred M. Roberts 2005-10-3 6296 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  UCSB47989  Mimulus guttatus Roberts, Fred 1980-7-7 Orange Santa Ana Mtns; San Juan Cyn; Hwy 74; 2.3km ENE San Juan Guard Station; 0.4km W Bench Mark 1100 315 Comment
  UC41890  Mimulus pilosus W. C. Blasdale July, 1891 Orange Santiago Canyon Comment
  UCSB59358  Minuartia douglasii Roberts, Fred 1987-5-9 Orange Santa Ana Mtns.: San Juan Trail; above Chiquito Basin; 2.3 km. SSE Los Pinos Peak; UTM 372290mN, 457250mE 952 Comment
  HSC16150  Mirabilis laevis J. W. Johnson 1961-3-29 Orange Newport Beach, on S side of upper Newport Bay Comment
  RSA732070  Mirabilis laevis A. C. Sanders, Fred M. Roberts 2008-3-25 34556 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  UCR193818  Mirabilis laevis A. C. Sanders, Fred M. Roberts 2008-7-16 35870 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 370 Comment
  RSA0026064  Mirabilis laevis Betty Smith 1932-4-22 s.n. Orange Peters Canyon. Comment
  UC536921  Mirabilis laevis var. crassifolia Lawrence M. Booth 1932-5-12 1035 Orange Newport Bay Comment
  JEPS61343  Mirabilis laevis var. crassifolia Alice King 1908-4-18 Orange near Santa Ana; ; Near Santa Ana Comment
  POM9829  Mirabilis laevis var. crassifolia P. A. Munz, R. D. Harwood 1920-4-24 3759 Orange Sierra [Freemont] Canyon, Santa Ana Mountains. 366 Comment
  UCR271005  Modiola caroliniana Mitch Provance, Travis Kegel 2016-4-8 416- 58 Orange Coastal Regions of Southern California, Newport Beach, W of the W end of 16th Street, and E of the Banning Oil Fields 32 Comment
  JEPS22597  Monanthochloe littoralis Lawrence M. Booth 1932-7-27 1318 Orange Newport Bay Comment
  UCR207556  Monanthochloe littoralis O. F. Clarke 2004-4-5 s.n. Orange South Coast, Newport Back Bay 3 Comment
  CAS-BOT-BC219928  Monardella breweri subsp. lanceolata P. C. Everett 1935-6-19 7238 Orange Santa Ana Mts., Trabuco Canyon, 1 3/4 mi. below summit of Truck Trail 975 Comment
  UCSB52887  Monardella breweri subsp. lanceolata Roberts, Fred 1983-9-26 Orange Santa Ana Mtns., Lion Canyon, Chiquito Basin Trail, 3.3km NNE Lower San Juan Picnic Ground 4.3km SSE Los Pinos Peak 810 Comment
  RSA735941  Monardella hypoleuca Justin M. Wood 2008-6-23 15 Orange Foothills of the Santa Ana Mountains, on the Irvine Ranch. S of limestone canyon, approx. 1/2 mile S of the sinks. 351 Comment
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Aug 13 2012
  IRVC24949  Monardella hypoleuca subsp. hypoleuca Fred M. Roberts, Gordon A. Marsh 1986-6-6 2939 Orange Black Star Canyon, Black Star Canyon Rd., 6.6km SSW Sierra Peak. Santa Ana Mountains 460 Comment
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Aug 13 2012
  RSA755808  Monardella hypoleuca subsp. intermedia A. C. Sanders, Fred M. Roberts 2008-7-16 35845 Orange Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin. 391 Comment
  RSA795173  Monardella hypoleuca subsp. intermedia A. C. Sanders, Mark A. Elvin 2005-9-2 31613 Orange near head of Holy Jim Canyon, a major tributary of Trabuco Canyon, along the trail in the switchbacks, below the towers on Santiago Peak 998 Comment
  UCR158808  Monardella hypoleuca subsp. intermedia A. C. Sanders, Mark A. Elvin 2005-9-2 31607 Orange Santa Ana Mtns., upper Holy Jim Canyon, a major tributary of Trabuco Canyon, along the trail in the switchbacks 820 Comment
  POM156675  Monolepis nuttalliana L. R. Abrams 1903-4-18 3267 Orange Capistrano Comment
  UCD86820  Muhlenbergia microsperma A. A. Beetle 1942-4-19 3100 Orange Rt. 101. 5 miles south of Laguna Beach. Comment
  UCR215280  Muhlenbergia microsperma Fred M. Roberts 2008-3-27 6811 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near Outlook 1, 0.5 km west of Marine Institute, Dana Point Harbor 45 Comment
  RSA751314  Muhlenbergia rigens A. C. Sanders, Fred M. Roberts 2008-5-6 35273 Orange Lomas de Santiago, upper Limestone Canyon, 2.9 mi. NNW of El Toro 366 Comment
  POM6291  Nama stenocarpa P. A. Munz, L. T. Street, G. Williams 1919-5-4 2681 Orange Laguna Canyon. Comment
  UCR158037  Nama stenocarpa Adrian Wolf 1998-5-15 276 Orange South Coast, Lambert Reservoir, north of El Toro Marine Corps Air Station 134 Comment
  POM156462  Nassella cernua Le Roy Abrams 1903-4-18 3268 Orange Capistrano Comment
  RSA548875  Nassella lepida Fred M. Roberts 1988-4-10 3900 Orange Lomas De Santiago: Loma Ridge, Upper Limestone Canyon, c.a. 3.2 kilometer NNW Bolero Lookout. 347 Comment
  RSA598968  Nassella lepida Scott D. White 1997-3-28 4839 Orange Above Modjeska Canyon, proposed water tank site 425 Comment
  POM147646  Nassella pulchra F. M. Reed 1927-04 5474 Orange Cliff at Beach. 15 Comment
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Nov 4 2017
  RSA548874  Nassella pulchra Fred M. Roberts, Dar A. Roberts 1989-3-22 4216 Orange Aliso-Wood Regional Park: Lower Wood Canyon, 3.6km SSE Moulton Peak. 38 Comment
  RSA743513  Nassella pulchra Fred M. Roberts 2008-4-9 6863 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 45 Comment
  UC407317  Nassella pulchra LeRoy Abrams 1903-4-18 3269 Orange Trabuco Canyon Capistrano Comment
  UCD87441  Nassella pulchra A. A. Beetle 1942-4-19 3103 Orange Rt. 101. 5 miles south of Laguna Beach. Comment
  UCD87541  Nassella pulchra C. L. Hitchcock 1966-3-15 24142 Orange Stearns Lease, 1.5 miles east of Brea. Comment
  CAS-BOT-BC60333  Nasturtium officinale John Thomas Howell 1927-7-15 2777 Orange Santa Ana River bottom, Santa Ana Canyon. 152 Comment
  CDA20832  Nasturtium officinale P. Akers 2006-3-25 PA 6 -06 Orange Peninsular Ranges; Yorba Linda. Santa Ana River S of La Palma Dr, 0.6-0.9 mi E of Yorba Linda Dr. 121 Comment
  RSA689545  Nasturtium officinale R. E. Riefner 2002-5-4 20 -98 Orange Upper Newport Bay, Jamboree Rd at Bayview Dr. 15 Comment
  RSA703643  Nasturtium officinale R. E. Riefner Jr. 2003-11-30 3 -482 Orange Peters Canyon Channel at Alton St., E of Jamboree Rd. near Irvine City Hall. 22 Comment
  RSA799626  Navarretia prostrata Justin M. Wood 2011-4-12 3657 Orange South Coast: City of Costa Mesa. Fairview Park, just WNW of Marison Special Education Center. 24 Comment
  POM50445  Nemacaulis denudata var. denudata L. R. Abrams 1901-06 1757 Orange Anaheim Landing Comment
  RSA113269  Nemacaulis denudata var. denudata E. K. Balls 1955-4-4 20419 Orange Coastal Strand, mouth of Santa Ana River, W bank, Hwy 101 Comment
  UCR14358  Nemacaulis denudata var. denudata Judy Knouse 1974-5-5 s.n. Orange Newport Beach, Newport Peninsula, 8th & 9th St. sand dunes 2 Comment
  UCR207191  Nemacaulis denudata var. denudata O. F. Clarke 2003-5-7 s.n. Orange South Coast, Least Tern Reserve, just north of the mouth of the Santa Ana River, Huntington Beach 4 Comment
  RSA721840  Nemophila aurita Unspecified s.n. Orange Orange County park. Comment
  JEPS2990  Nemophila menziesii Alice King March, 1908 Orange Anaheim Plains Comment
  RSA2081  Nemophila menziesii Carl B. Wolf 1931-3-6 1848 Orange Trabuco Canyon, 1 mile below Trabuco Camp Grounds, west slope of Snata ana Mts. 610 Comment
  RSA616  Nemophila menziesii J. T. Howell 1928-3-18 889 Orange Rancho Santa Ana, Botanic Garden. 152 Comment
  RSA0051320  Nemophila menziesii Ophelia Frost 1932-3-28 s.n. Orange 2 miles NW of H.B. Comment
  RSA3166  Nemophila menziesii Carl B. Wolf 1932-3-8 2697 Orange Santiago Dam, W. base Santa Ana Mts. 305 Comment
  CAS-BOT-BC478169  Nephrolepis cordifolia R. E. Jr. Riefner 2014-6-14 14 -171 Orange City of Newport Beach, Cliff Drive Park, along Cliff Drive, near Beacon Street 44 Comment
  RSA0060640  Nephrolepis cordifolia Richard E. Riefner 2014-6-14 14 -171 Orange City of Newport Beach, Cliff Drive Park, along Cliff Dr. near Beacon St. 44 Comment
  RSA0069235  Nicotiana clevelandii Fred M. Roberts, Lee Ann Caranza 2009-4-7 7140 Orange Dana Point Headlands: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 60 Comment
  CAS-BOT-BC231675  Nicotiana glauca C. L. Hitchcock 1966-3-15 24144 Orange Stearns Lease, 1 1/2 miles e. of Brea Comment
  CDA1049  Nicotiana glauca D. G. Kelch 2006-12-9 6 .542 Orange Along Newport Back Bay Dr. in side canyon. Comment
  HSC21273  Nicotiana glauca C. L. Hitchcock 1966-3-15 24144 Orange Stearns Lease, 1.5 mi. E of Brea. Comment
  HSC21283  Nicotiana glauca D. W. Snell 1964-3-24 10 Orange 1 mi. E of Brea, N of Birch St. 120 Comment
  RSA733872  Nicotiana glauca Goldie Peale 1932-4-24 s.n. Orange Laguna Hwy. Comment
  NY259276  Nolina cismontana J. C. Dice 1986-5-3 650 Orange Santa Ana Mountains, 0.2 miles west of Trabuco Canyon 365 Comment
  POM20633  Nolina cismontana Philip A. Munz 1923-9-6 7728 Orange Madjeska s Ranch Comment
  RSA126  Nolina cismontana J. T. Howell 1927-7-24 467 Orange Claymine Canyon, near Sierra Peak 167 Comment
  RSA20634  Nolina cismontana Philip A. Munz 1923-7-8 7329 Orange Santa Ana River Canyon Comment
  RSA594807  Nolina cismontana Fred M. Roberts, Nowak 1995-4-19 4925 Orange Lower Hot Springs Canyon, San Juan Trail, 0.6 km NW Juan Rancho Survey Mark. 280 Comment
  SD121703  Nolina cismontana James C. Dice, Thomas Oberbauer 1986-5-3 651 Orange Santa Ana Mountains, 0.2 kilometer west of the community of Trabuco Canyon and ca. 1 kilometer east of O'Neill Regional Park Comment
  RSA679092  Oenothera elata subsp. hirsutissima Fred M. Roberts 2003-7-24 5967 Orange San Juan Capistrono: San Juan Creek, c.a. 0.1 km NE La Novia Bridge. Along creek on cobbly sand of wash in open southern willow scrub and mulefat scrub. 27 Comment
  UC1007119  Oenothera elata subsp. hirsutissima P. A. Munz 1936-6-30 14171 a Orange 5 mi s Garden Grove Comment
  UC1007125  Oenothera elata subsp. hookeri P. A. Munz 1938-6-23 15569 Orange 1 mi below Capistrano; San Juan Creek Comment
  RSA771511  Oenothera micrantha Keith E. Hoffmaster 1927-4-2 465 Orange Santa Ana Mountains [county not specified] Comment
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Jun 10 2012
  RSA783221  Oenothera micrantha J. D. Olmsted 1959-5-1 516 Orange 3/4 miles west of Oat Flat along old road from Main Divide Motorway into Sierra Canyon 777 Comment
  UCR239649  Oenothera speciosa Fred M. Roberts 2012-5-9 7550 Orange Santa Ana Mountains, Lake Forest, near Serrano Creek utility road, 0.3 m south-southwest of intersection of Commercentre and Dimension Drives 206 Comment
  CDA6652  Oldenlandia corymbosa W. Humphrey 1973-7-19 Orange 7231 Irvine Boulevard, Santa Ana. 0 Comment
  RSA753081  Olea europaea A. C. Sanders, Fred M. Roberts 2008-9-18 36081 Orange Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge. 320 Comment
  JEPS25886  Oligomeris linifolia L. M. Booth 1932-5-24 1097 Orange Newport Bay Comment
  UCR240190  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-22 12- 71 Orange South Coast, city of Newport Beach, Newport Bay, Dover Shores, vicinity of West Wind Way and Santiago Drive 22 Comment
  POM279574B  Opuntia X occidentalis Lyman Benson 1950-4-29 14340 Orange South end of San Clemente. Hill 1/2 mile from ocean. 152 Comment
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Oct 21 2009
  OBI37758  Opuntia X vaseyi D. J. Pinkava & M. G. McLeod, M. G. McLeod 1970-11-8 312 Orange 1/2 mi E of Warner Airport 914 Comment
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Nov 18 2013
  IRVC14191  Opuntia prolifera J. W. Johnson 1976-8-11 Orange Irvine; UCI, 300ft. south of Medical Center; on heavy clay soil in grazing climax of mediterranean grasses. Destroyed by construction. Southern Coastal Comment
  CAS-BOT-BC58074  Opuntia vaseyi B. D. Stark 1933-1-17 4512 Orange Field redacted by CAS, contact the data manager for more information 152 Comment
  POM317064  Opuntia vaseyi David Walkington 1961-9-4 9 Orange South of Skyline Dr. east of Acacia Dr., Fullerton. 107 Comment
  RSA15943  Orthocarpus purpurascens var. pallidus Percy C. Everett 1935-4-27 6692 Orange Bryant Ranch. NW corner Hansen Rd. and Bryant Ave. 30 Comment
  UCR222414  Osmadenia tenella D. E. Bramlet 2008-4-15 4178 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Hicks Canyon, 301 m east of Haul Road & 1.4 km north of Bee Canyon access road 206 Comment
  CAS-BOT-BC355768  Osmadenia tenella G. D. Carr 1971-7-14 585 Orange 2.5 mi NE of San Juan Capistrano on Hwy 74 69 Comment
  CAS-BOT-BC355770  Osmadenia tenella Palmer Stockwell 1935-5-12 1219 Orange Ca. 7 mi. E. of Mission San Juan, on Elsinore Rd. Comment
  CAS-BOT-BC355772  Osmadenia tenella F. W. Peirson 1926-4-25 6643 Orange Upper part of Laguna Canyon Comment
  SEINET3863999  Osmadenia tenella G. D. Carr 1971-7-14 585 Orange 2.5 mi NE of San Juan Capistrano on Hwy 74.; 0 69 Comment
  HSC46609  Osmorhiza brachypoda Christopher Davidson 1977-5-18 5609 Orange Santa Ana Mts. Cleveland Nat. Forest. Santiago Peak (on Orange-Riverside Co. line). 1707 Comment
  RSA160508  Osmorhiza brachypoda J. D. Olmsted 1959-4-23 464 Orange Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 762 Comment
  UCR76185  Osmorhiza brachypoda B. G. Pitzer, Stu Hemstreet 1992-5-27 1951 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, along Forest Service Road 3S04 to Blue Jay Group Campground, off Hwy 74 (Ortega Hwy), c. 2 mi west of El Cariso Campground 765 Comment
  IRVC29885  Osteospermum ecklonis Mark A. Elvin, D. Kelch, Barry S. Nerhus, Patricia Iluore 2006-12-9 5326 Orange Newport Backbay; along Bayside Drive ca. 100 m W of Eastbluff Dr. Southern Coastal 5 Comment
  SEINET10801634  Osteospermum ecklonis Charlene A. Bennett, David B. Dunn; Chester T. Dziekanowski 1976-7-21 Bennett 433 Orange Cultivated plants collected in and around the condominium-Pacific Island Estates in Laguna Hills; some native shrubs, etc. 152 Comment
  SD255231  Oxalis californica R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49785 Orange Santa Ana Mountains; Trabuco Canyon. Comment
  RSA184122  Oxalis pes-caprae I. L. Wiggins 1966-2-12 20442 Orange Orange grove on W side of State College Blvd. opposite Electra Way, Fullerton. Comment
  RSA737550  Oxalis pes-caprae Fred M. Roberts 2008-3-12 6738 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  OBI30391  Oxalis pes-caprae B. Thomas 1967-12-30 147 -74 Orange 4 yds S of Cal State Fullerton's Science Bldg entrance in the fl bed Comment
  SBBG105032  Oxalis pes-caprae S. Boyd, T. Ross 1994-3-22 8203 B Orange San Juan Cyn along San Juan Crk near confluence with Hot Springs Cyn 228 Comment
  UCSB41775  Oxalis pes-caprae Johnson, Chris 1970-3-20 Orange From planters along Science Bldg at Cal State Fullerton Comment
  UCR241054  Oxalis rubra Robert DeRuff 2011-4-14 379 B Orange South Coast, Upper Newport Bay, below Eastbluff North on bay side of Back Bay Dr. 4 Comment
  CAS-BOT-BC121211  Paeonia californica J. T. Howell 1927-6-6 2425 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  CAS-BOT-BC121213  Paeonia californica C. B. Wolf 1936-6-17 7949 Orange Santa Ana Mtns, along Ortega Hwy, 6/10 mi. below San Juan Hot Springs. 182 Comment
  RSA17142  Paeonia californica Carl B. Wolf 1936-6-17 7949 Orange Santa Ana Mts., along Ortega Hwy, 6/10 mi below San Juan Hot Springs. 183 Comment
  RSA650648  Paeonia californica D. E. Bramlet 2000-4-7 2945 Orange This site is 30m south of the SCE maintenace road and 1km east of Weir Canyon. The locality is 1.5km west of Blind Canyon. 287 Comment
  UCR191001  Paeonia californica A. C. Sanders, Fred M. Roberts 2008-4-22 35048 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slopes of south end of Loma Ridge and at head of Limestone Canyon, c. 2.5 miles SW of Silverado 488 Comment
  CAS-BOT-BC354349  Pallenis maritima R. E. Riefner, Jr. 2013-1-16 13 -14 Orange City of Newport Beach, vicinity of Poppy Ave. and Ocean Blvd., coastal bluff at Little Corona Beach 7 Comment
  RSA797015  Pallenis maritima R. E. Riefner Jr. 2010-1-2 10 -3 Orange City of Laguna Beach, Moss Point, vicinity of Ocean Way at Ruby St. 2 Comment
  RSA797016  Pallenis maritima R. E. Riefner Jr. 2011-7-1 11 -86 Orange City of Newport Beach, rocky beach between Shorecliff Road and Cameo Shores Road. 1 Comment
  RSA773552  Panicum capillare Fred M. Roberts 2008-6-3 7032 Orange Lomas de Santiago: Loma Ridge, East Fork Rattlesnake Canyon, ca. 2.6 km NE Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak 225 Comment
  UCR2620  Panicum capillare F. M. Reed 1927-10-13 5624 Orange Transverse Range; Santa Ana Mtns; Santa Ana River Canyon, Santa Ana River channel above Sulphur Slide [Hill] 152 Comment
  RSA92454  Panicum capillare F. W. Peirson 1924-10-19 5230 Orange Wintersberg Comment
  UCR193839  Panicum miliaceum A. C. Sanders, Fred M. Roberts 2008-7-16 35865 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 370 Comment
  RSA594821  Papaver californicum Fred M. Roberts, Sandy Leatherman, B. Leatherman 1994-4-24 4915 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  RSA548851  Parapholis incurva Fred M. Roberts 1988-5-20 3974 Orange Irvine; University of CA, Irvine, near Farm School, 1.4km ESE campus center., UTM 3722500m N, 423200mE 46 Comment
  CAS-BOT-BC413391  Parietaria hespera var. hespera Carl B. Wolf 1932-7-2 3826 Orange Carbon Canyon, 1/8 mi. below La Vida Springs 213 Comment
  CAS-BOT-BC259631  Paspalum dilatatum Ira L. Wiggins 1965-10-2 20270 Orange At Hillcrest Park, Fullerton Comment
  CAS-BOT-BC412827  Paspalum distichum R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49568 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  POM202522  Paspalum distichum L. M. Booth 1932-7-1 1239 Orange Anaheim Marsh Comment
  POM603302  Paspalum distichum Le Roy Abrams 1901-06 1762 Orange Near Westminister Comment
  CAS-BOT-BC353419  Paspalum vaginatum R. E. Riefner, Jr. 2013-12-12 13 -375 Orange City of Dana Point, near Ritz-Carlton Hotel, Salt Creek Beach area 2 Comment
  CAS-BOT-BC414244  Paspalum vaginatum R. E. Riefner, Jr. 2014-1-14 14 -23 Orange City of Dana Point, Salt Creek Beach, Salt Creek Lagoon and eroding channel bank; W of Pacific Coast Highway and W of Monarch Beach Golf Course 1 Comment
  RSA733052  Paspalum vaginatum R. E. Riefner 2003-10-14 03 -455 Orange City of San Juan Capistrano, Trabuco Creek, N side of Del Obispo St. at paseo Adelento St. 27 Comment
  RSA733138  Paspalum vaginatum R. E. Riefner 2007-10-17 7 -439 Orange City of Dana Point, Dana Point Harbor, Dana Point Harbor Dr. near Puerto Pl. 10 Comment
  RSA737239  Paspalum virgatum R. E. Riefner 2008-7-29 08 -256 Orange City of Dana Point, Salt Creek Beach, Near Ritz Carlton Hotel 0 Comment
  UCR250862  Pectocarya linearis Dick Newell, Don Millar 2014-4-1 359 Orange Peninsular Range; Santa Ana Mtns., lower Fremont Canyon wash, 0.15 mi. NE of MWD Road and Lake View SCE Rd. 206 Comment
  RSA0054893  Pectocarya linearis Keith E. Hoffmaster 1932-2-28 62 Orange Santa Ana Mts. Comment
  IRVC16237  Pectocarya linearis subsp. ferocula Karlin G. Marsh 1978-3-24 Orange UCI Ecological Preserve, Irvine Comment
  UC1543029  Pectocarya linearis subsp. ferocula Donald G. Nelson 1935-3-16 167 Orange n Fullerton (across valley from Hillcrest Park) Comment
  RSA450843  Pectocarya linearis subsp. ferocula Fred M. Roberts 1983-3-16 929 Orange Laguna Beach, Sycamore Hills, central ridge, 1.5km NNE jct E1 Toro and Laguna Canyon road, 5.5km ESE Signal Peak. 160 Comment
  UCSB57587  Pectocarya linearis subsp. ferocula Roberts, Fred 1984-2-15 Orange Casper's Regional Park: Rancho Carillo Rd.; 1.0 km. NE Visitor Center; 3.0 km. SW Lucas Survey Mark 150 Comment
  UCD169762  Pedicularis densiflora R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49711 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  IRVC27881  Pelargonium A. C. Sanders, Mark A. Elvin 2003-10-12 27314 Orange Irvine; UCI Arboretum, UCI campus near intersection of Jamboree Blvd and Campus Dr. Southern Coastal 15 Comment
  UCR237913  Pellaea andromedifolia Dick Newell, Judy Booth 2012-6-10 274 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, on Maple Springs Road 0.8 mi. NE of Maple Springs gate Comment
  RSA791471  Pellaea andromedifolia Keith E. Hoffmaster 1928-1-26 33 Orange Santa Ana Mtns Comment
  RSA598963  Pellaea andromedifolia var. andromedifolia Scott D. White 1997-3-28 4835 Orange Above Modjeska Canyon, proposed water tank site 425 Comment
  RSA637491  Pellaea andromedifolia var. andromedifolia Valerie L. Soza, LeRoy Gross 1999-6-8 506 Orange Santa Ana Mountains: Santiago and Modjeska Canyons, above Tucker Wildlife Sanctuary, above the town of Modjeska 518 Comment
  RSA739323  Pellaea mucronata Keith E. Hoffmaster 1931-1-1 33 Orange Santa Ana Mountains Comment
  RSA631394  Pellaea mucronata var. mucronata Valerie L. Soza, LeRoy Gross 1999-6-7 477 Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  UCR215288  Pennisetum setaceum Fred M. Roberts, D. E. Bramlet 2008-5-13 6957 Orange Santa Ana Mountains, upper Weir Canyon, central fork, 3.5 km NE of Robbers Peak 369 Comment
  UCR181158  Pennisetum villosum R. E. Riefner Jr. 2003-11-30 03- 486 Orange South Coast, Santa Ana, 55 Freeway near Brookhollow St. 32 Comment
  UCR236680  Pennisetum villosum Fred M. Roberts, Sandra L. Leatherman 2008-9-17 7102 Orange Peninsular Ranges, Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana River, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river 87 Comment
  RSA790701  Penstemon cordifolius R. H. McArthur 1934-5-19 2 Orange PR8. Trobuca Canyon. Comment
  RSA708368  Penstemon grinnellii subsp. grinnellii Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6244 Orange Modjeska Peak, west slope along summit road, 0.15km by air W summit. 1613 Comment
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Sep 29 2007
  UC1063390  Penstemon heterophyllus A. Lewis May 1934 432 Orange Los Pinos Peak Cleveland National Forest, Elsinore Quadrangle, Los Pinos Pk Comment
  RSA407931  Penstemon heterophyllus Claire Kibbe 1936-07 19981 Orange Santa Ana Canyon. Comment
  UC1608268  Penstemon heterophyllus var. australis Steve Boyd and Tim Ross 1992-5-20 7472 Orange western edge of the wilderness in Lucas Canyon (San Mateo Canyon Wilderness, along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel bldg)); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 350 Comment
  RSA798599  Penstemon spectabilis Robert F. Thorne, E. W. Lathrop 1977-5-18 49735 Orange Northern Santa Ana Mountains: Pleasant's Peak Comment
  NY661153  Penstemon spectabilis var. spectabilis F. R. Fosberg 1931-6-21 S 5085 Orange Lower Santiago Canyon Comment
  RSA697045  Pentachaeta aurea Keith E. Hoffmaster 1935-3-17 s.n. Orange Near El Toro (Trabuco rd.) Comment
  RSA751315  Pentachaeta aurea subsp. allenii A. C. Sanders, Fred M. Roberts 2008-5-6 35272 Orange Lomas de Santiago, upper Limestone Canyon, 2.9 mi. NNW of El Toro 366 Comment
  UCR192220  Pentachaeta aurea subsp. allenii A. C. Sanders, Fred M. Roberts 2008-5-6 35272 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Limestone Canyon, 2.9 mi. NNW of El Toro 379 Comment
  RSA741730  Pentachaeta aurea subsp. allenii R. E. Riefner 2008-6-25 08 -169 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, Lakeview SCE Road. 480 Comment
  RSA759154  Pentachaeta aurea subsp. allenii Robt Allen 2008-3-30 s.n. Orange San Joaquin Hills, Laguna Coast Wilderness Park, along Stagecoach South Trail, about 0.25 air mile S of trailhead near the Nix Nature Center. 163 Comment
  UC218598  Pentagramma viscosa I. M. Johnston 1918-5-4 1926 Orange hills back of Laguna Beach 152 Comment
  LA204536  Peritoma arborea A. M. Johnson; 1927-12-30 sn Orange Laguna Comment
  SEINET1907075  Persea steyermarkii R. W. Scora 1997-1 5146 Orange Zentmyer Avocado Collection, Field 3, South Coast Field Station, Irvine . 21 Comment
  CHSC109272  Persicaria lapathifolia Scott D. White; Matt Carlton 2003-11-20 9869 Orange Santa Ana Mountain Foothills: San Juan Creek in San Juan Capistrano 24 Comment
  UCR158041  Petunia parviflora Adrian Wolf 1998-6-23 359 Orange South Coast, northernmost of the Laguna Lakes in Laguna Canyon, southern edge of lake on west side of Laguna Canyon Rd. 119 Comment
  RSA0014990  Phacelia brachyloba Fred M. Roberts 2008-5-20 6990 Orange Lomas de Santiago: Santiago Creek wash north of Hanging Man s Tree Road near confluence of Pancho Cyn., 1.6 km NW Bolero Lookout. Irvine Ranch Conservancy. 349 Comment
  RSA539387  Phacelia brachyloba Fred M. Roberts, Carol A. Roberts 1988-6-2 4034 Orange Santa Ana Mtns: Silverado Canyon, Maple Springs Truck Trail, 4.3km above gate. 1.0 km WSW Bald Peak. 817 Comment
  UC718112  Phacelia brachyloba P. C. Everett 1935-6-18 7201 Orange Main Divide Motorway 1 4/10 mi s Los Pinos Potrero; Santa Ana Mts. 1097 Comment
  VVC263  Phacelia brachyloba P. J. MacKay 1990-5-25 s.n. Orange Peninsular Range, Hwy 74 near San Juan Hot Springs 198 Comment
  JEPS2193  Phacelia cicutaria var. hispida Alice King May 1907 Orange Santa Ana Canyon Comment
  UCR192068  Phacelia cicutaria var. hispida A. C. Sanders, Fred M. Roberts 2008-5-6 35244 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  UCR209379  Phacelia cicutaria var. hispida Fred M. Roberts, Linda Farley 2008-3-28 6820 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, east fork along ridge just west of SR 241, 3.4 km east of Robber's Peak 437 Comment
  HSC83900  Phacelia davidsonii Christopher Davidson 1977-5-18 5608 Orange Santa Ana Mts. Cleveland Nat. Forest. Santiago Peak (on Orange-Riverside Co. line). 1707 Comment
  POM289796  Phacelia distans Lyman Benson 1932-3-26 3197 Orange Dana Point. 61 Comment
  POM8712  Phacelia distans P. A. Munz, R. D. Harwood 1920-4-17 3805 Orange Laguna Canyon 76 Comment
  RSA12930  Phacelia distans Carl B. Wolf 1935-4-7 6320 Orange Mouth of San Juan Hot Springs Canon, at san juan Hot Springs 213 Comment
  RSA699772  Phacelia distans Keith E. Hoffmaster 1927-4-8 s.n. Orange Santa Ana Mountains. Comment
  UCR223416  Phacelia distans Dick Newell, Don Millar 2011-2-8 049 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, upper Agua Chinon wash, along Limestone Canyon Rd. 398 Comment
  RSA0041601  Phacelia distans Albert J. Perkins 1913-4-22 s.n. Orange Trabuco Canyon. Comment
  RSA650516  Phacelia distans Shlomo Gat 1959-03 20 Orange Santa Ana Canyon. Comment
  SD72104  Phacelia distans John Thomas Howell 1928-1-15 3277 Orange Gypsum Station on side of Santa Ana CaA'on. 152 Comment
  RSA759105  Phacelia imbricata Robt. Allen, Genevieve K. Walden, Lisa W. Young 2008-6-26 s.n. Orange Modjeska Peak, W-facing slope within 2 m of the access road up Modjeska Peak. Approximately midway between the peak's south-facing slope and the sharp bend in the extreme N end of the road. 1643 Comment
  RSA2096  Phacelia imbricata subsp. bernardina E. R. Johnson 1931-6-1 2233 Orange Roundtop, Rancho Santa Ana. 457 Comment
  RSA20370  Phacelia minor Percy C. Everett 1938-4-11 9399 Orange Rancho Santa Ana, Santa Ana Canyon, north of Pear Orchard. 122 Comment
  RSA717571  Phacelia minor Marcus E. Jones 1926-3-10 s.n. Orange Near Santa Ana Canyon. Comment
  RSA603111  Phacelia minor R. S. Woglum 1932-4-16 s.n. Orange Trabuco Canyon, Santa Ana Mountains. Cleveland National Forest. Comment
  RSA681269  Phacelia parryi Scott D. White, Michael Honer 2003-5-29 9434 Orange Santa Ana Mountain Foothills: Rancho Mission Viejo. Steep, gen. south-facing slopes above trib. to Trampas Canyon, ca. 0.6 air mi. S of Ortega hwy and ca. ca. 0.5 mi west of Trampas Cyn. 122 Comment
  UCR193841  Phacelia parryi A. C. Sanders, Fred M. Roberts 2008-7-16 35861 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hangmans Tree Canyon 379 Comment
  UCSB48216  Phacelia ramosissima Roberts, Dar; Roberts, Jr., Fred 1983-5-3 Orange Santa Ana Mtns.; Hot Springs Canyon, 0.5 km. by road N of Cal. Rte. 74 (San Juan Guard Sta.) 238 Comment
  RSA0003878  Phacelia ramosissima var. austrolitoralis J. T. Howell 1927-7-17 421 Orange Near Laguna Beach Comment
  CAS-BOT-BC145005  Phacelia ramosissima var. latifolia John Thomas Howell 1927-6-21 2567 Orange Arroyo in hills on north side of Santa Ana [Canon] Canyon 152 Comment
  RSA428287A  Phacelia ramosissima var. latifolia F. R. Fosberg 1931-6-21 S- 5135 Orange Silverado Canyon, Santa Ana Mts. Comment
  SEINET6088752  Phacelia suaveolens Unknown 2008-6-26 Orange Peninsular Ranges. Santa Ana Mountains. Modjeska Peak, north face. Along access road up Modjeska Peak, outside the sharp bend in the extreme N end of the road. Survey Point # 47. Comment
  RSA642504  Phalaris lemmonii D. E. Bramlet 1999-5-16 2764 Orange Fairview Park, City of Costa Mesa. The site is located some 336m N of the intersection of Wilson and Canyon Dr. and 152m W of the Canyon School., 04 12 360mE X 37 24 490mN. 43 Comment
  RSA0027433  Phalaris minor Fred M. Roberts 2013-7-18 7667 Orange San Joaquin Hills: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill. 52 Comment
  RSA734636  Phalaris minor A. C. Sanders, T. B. Salvato 2008-5-13 35367 Orange Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  IRVC1783  Phalaris paradoxa J. B. Anderson 1966-4-26 620 Orange UC, Irvine Campus; S of Science Lecture Hall. Southern Coastal Comment
  SEINET10876692  Philodendron Thomas B. Croat 2003-4-5 Croat 87598 Orange Cultivated plants from Rick M. Cirino, Cosa Mesa, California. Originally from Brazil? Comment
  SEINET10946467  Philodendron Thomas B. Croat 2003-4-5 Croat 87593 Orange Cultivated Plants from Rick M. Cirino, Cosa Mesa, California. Comment
  RSA781939  Phoenix canariensis Mark A. Elvin 2003-2-23 2318 Orange Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  UCSB48112  Pholistoma auritum Roberts, Fred 1981-4-12 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 1.3 km. by road E San Juan Guard Station; 0.9 km. SE Juan Rancho Survey Marker 295 Comment
  CAS-BOT-BC222603  Pholistoma auritum var. auritum F. W. Peirson 1923-3-25 4481 Orange Aliso Creek, at sea level Comment
  UCD120623  Pholistoma auritum var. auritum Ronni Stachelek; Bob Anderson, Frances Schropshire 1995-3-1 38 Orange Newport Beach, W side Upper Newport Bay on Back Bay Dr. ca 1/2 mi. N of Shellmaker Island. Comment
  RSA751398  Pholistoma racemosum R. E. Riefner Jr. 2008-5-20 8 -107 Orange Santa Ana Mts., Irvine Ranch Reserve, Fremont Canyon Conservation Easement, W Fork of Fremont Canyon, S of Donaldson Ranch. 377 Comment
  RSA0072390  Photinia arbutifolia Claire Kibbe 1936-07 s.n. Orange Santa Ana Canyon. [Orange or Riverside County] Comment
  RSA683970  Phyllospadix torreyi E. Yale Dawson 1956-12-2 15646 Orange Corona del Mar, Station no 9, 230-260 ft from shore base point Comment
  CAS-BOT-BC452025  Phyllospadix torreyi I. M. Johnston 1915-9-3 s.n. Orange Laguna Beach Comment
  POM1012  Phyllospadix torreyi D. L. Crawford 1916-7-28 s.n. Orange Laguna Beach Region Comment
  POM50618  Physalis greenei L. R. Abrams 1901-6-12 s.n. Orange Laguna. Comment
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Apr 23 2011
  RSA38354  Physalis philadelphica Philip A. Munz 1946-11-17 11607 Orange spontaneous weed near Administration Building, Rancho Santa Ana Botanic Garden. Santa Ana River Canyon. 198 Comment
  SEINET4690264 Image available Pinus radiata T. C. Arambula 1966-1 137 Orange Fullerton, Sunny Crest Drive at Harbor Blvd, Fullerton Comment
  SD154125  Piperia elongata Robert L. Allen, Christopher M. Barnhill 2004-1-10 12268 Orange Santa Ana Mtns,Trabuco Trail,ca. 0.7 trail miles(1127 m)NW of Los Pinos Saddle,middle of top I(c) of first switchback. In 10 m-long segment of trail, both sides & within 1 m of trail ctr;also below on trail switchback & down trail, decreasing in density. 1178 Comment
  RSA735973  Piptatherum miliaceum Scott D. White, Justin M. Wood 2008-4-22 11905 Orange Telegraph Canyon Road, E of Carbon Canyon Regional Park. 152 Comment
  UCR98242  Piptatherum miliaceum Scott D. White 1997-3-28 4826 Orange Santa Ana Mountains, Above Modjeska Canyon, proposed water tank site. 488 Comment
  RSA450840  Piptatherum miliaceum J. Anderson 1966-6-24 680 Orange San Joaquin Hills; Bonita Canyon Reservoir in vicinity of Culver Rd. Comment
  SEINET5642640  Pistacia atlantica Shelby J. Wood 2013-3-9 10 Orange Huntington Beach, Central Park.; 0 Comment
  CLARK-A1528-3590  Pityrogramma triangularis var. viscosa John C. Roos 1937-2-23 1316 Orange Laguna Hills Comment
  RSA450854  Plagiobothrys acanthocarpus Gordon Marsh 1978-10-16 s.n. Orange UC Irvine Ecological Preserve, near eastern fence line, draingae separating hills #1, #2. Comment
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Oct 7 2017
  UC881311  Plagiobothrys acanthocarpus Alice Eastwood and John Thomas Howell 1937-4-24 3934 Orange Dana Point Comment
  RSA699337  Plagiobothrys arizonicus L. C. Hull 1934-3-11 s.n. Orange Ortega Highway. Comment
  UCR281560  Plagiobothrys collinus Mitch Provance, Jeremiah George 2017-3-20 317- 115 Orange West Coyote Hills, Fullerton, vicinity of Utility Access Roads E of Gilbert Street and N of Castlewood Dr., on land previously occupied by oil fields. 137 Comment
  IRVC20784  Plagiobothrys collinus var. californicus Fred M. Roberts, S. L. Fritzke 1982-4-2 465 Orange hills, 3.5km ESE Aliso Peak; 3.2km ESE Alicia Fire Station, N of Del Avion, Laguna Niguel 100 Comment
  UCR5140  Plagiobothrys collinus var. californicus Barbara T. Gittins, O. F. Clarke 1966-3-19 903 Orange Pacific slope, Irvine Ranch, east of University of California Irvine campus, Newport Beach 91 Comment
  RSA678750  Plantago coronopus Valerie L. Soza, Kevin B. Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary Wallace 2001-4-4 1121 -a Orange Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 3 Comment
  RSA747635  Plantago erecta Fred M. Roberts 2008-5-16 6982 Orange Dana Point: Dana Point Headlands, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor. 75 Comment
  UC1618039  Plantago erecta Donald G. Nelson 1935-4-14 282 Orange Near Pacific Electric Railway Station. Newport Beach Comment
  SD247681  Plantago erecta subsp. erecta R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49653 Orange Northern Santa Ana Mountains: Coal Canyon (NW of Sierra Peak). Comment
  POM201756  Plantago hirtella var. galeottiana L. M. Booth 1932-6-17 1208 Orange Bolsas Marsh. Comment
  UCR24218  Plantago indica John C. Roos 1957-7-29 6657 Orange Southern Coast, Newport Beach Comment
  POM201755  Plantago lanceolata L. M. Booth 1932-7-18 1266 Orange Costa Mesa, Newport Bay Comment
  RSA412558  Plantago lanceolata Albert J. Perkins 1920-6-24 s.n. Orange Santa Ana. Comment
  RSA791465  Plantago lanceolata Keith E. Hoffmaster 1927-5-18 955 Orange Santa Ana. CP3. Comment
  RSA791464  Plantago major Keith E. Hoffmaster 1927-5-22 955 Orange Near Santa Ana. CP3. Comment
  RSA542455  Plantago rhodosperma Fred M. Roberts, Karlin G. Marsh 1988-4-25 3931 Orange San Joaquin Hills: East flank Pelican Hill, 0.9 kilometer SE summit. 120 Comment
  RSA424275  Plantago subnuda Anstruther Davidson 1910-4-1 s.n. Orange Corona Del Mar Comment
  RSA424280  Plantago subnuda Anstruther Davidson 1908-5-1 1791 Orange Corona del Mar Comment
  UCR193300  Platanus racemosa A. C. Sanders, Fred M. Roberts 2008-6-17 35471 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 260 Comment
  JEPS51625  Platystemon californicus Alice King 1908-3-12 Orange Anaheim Plains Comment
  RSA722433  Platystemon californicus L. C. Hull 1934-3-11 s.n. Orange Ortega Highway. Comment
  CAS-BOT-BC226913  Plecostachys serpyllifolia R. E. Riefner, Jr. 2011-6-25 11 -73 Orange City of Laguna Beach, Moss Point, vicinity of Ocean Way at Ruby St. 6 Comment
  CAS-BOT-BC356094  Plecostachys serpyllifolia R. E. Riefner, Jr. 2009-7-18 09 -151 Orange City of Dana Point, beach near Salt Creek, vicinity of Ritz Carlton Resort 2 Comment
  OBI74940  Plecostachys serpyllifolia Unknown 2006-7-26 06 -319 Orange City of Irvine, N side of Irvine Blvd. at SR133 on ramp 64 Comment
  SD239618  Plecostachys serpyllifolia R. E. Riefner Jr. 2011-7-7 11 88 Orange City of Dana Point, S of Mussel Cove, N of Salt Creek Beach Park. 7 Comment
  SEINET3828848  Plecostachys serpyllifolia R. E. Riefner, Jr. 2011-1 11 -73 Orange City of Laguna Beach, Moss Point, vicinity of Ocean Way at Ruby St. 2 Comment
  RSA710412  Pluchea odorata Fred M. Roberts 2005-10-3 6300 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  RSA719408  Pluchea odorata Fred M. Roberts, Robert L. Allen 2006-10-8 6427 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  UCR208347  Pluchea odorata O. F. Clarke 2004-7-19 s.n. Orange South Coast, Newport Back Bay, along Back Bay Dr. 6 Comment
  UCSB36216  Pluchea odorata Ferren, Wayne; Roberts, Fred 1980-8-27 Orange Vicinity of Newport Backbay Drive ca. 1.5 km. NE of Rt. 1, Newport Beach Comment
  UC421657  Pluchea odorata var. odorata John Thomas Howell 1927-9-24 3117 Orange Santa Ana Canyon 152 Comment
  UCR26067  Pluchea purpurascens John C. Roos 1949-10-1 4684 Orange South Coast, Doheny Beach 0 Comment
  IRVC17048  Poa annua Bruce Reynolds 1965-4-19 s.n. Orange Newport Beach; Corona del Mar, Corona Del Mar High School. Southern Coastal Comment
  UCD90349  Poa annua Beecher Crampton 1967-5-23 7955 Orange Orange County, 4 miles east of Irvine, UC South Coast Field Station. Comment
  UCR193623  Poa annua A. C. Sanders, T. B. Salvato 2008-5-13 35357 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  IRVC25406  Poa secunda Fred M. Roberts 1987-4-3 3330 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
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Feb 17 2017
  CAS-BOT-BC94725  Poa secunda subsp. secunda R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-3-24 719 Orange Chino Hills State Park. South Ridge Road W of San Juan Hill, going W from Equestrian Staging Area. Top of ridge 1450 Comment
  IRVC25471  Polycarpon depressum Fred M. Roberts 1987-4-21 3376 Orange Aliso Creek, Aliso Creek Bike Trail, 3.0km ENE Moulton Peak, Aliso Viejo 73 Comment
  UCSB50635  Polygala californica Roberts, Fred 1982-7-9 Orange SANTA ANA MTNS.: Upper Hot Springs Canyon, 0.1km SW Falcon Group Camp: 2.0km SE Los Pinos Peak 327 Comment
  UCR158812  Polygala cornuta subsp. fishiae A. C. Sanders, Mark A. Elvin 2005-9-2 31608 Orange Santa Ana Mtns., upper Holy Jim Canyon, a major tributary of Trabuco Canyon, along the trail in the switchbacks 881 Comment
  CAS-BOT-BC110520  Polygonum Mrs. H. C. Cantelow 1933-7-9 431 Orange Coast near San Juan de Capistrano. Comment
  SDSU9677  Polygonum F. Youngberg Orange Santa Ana River Bed near Chino. Comment
  CAS-BOT-BC414043  Polygonum aviculare subsp. aviculare Ira L. Wiggins 1966-5-25 20667 Orange Parkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton Comment
  CAS-BOT-BC414041  Polygonum aviculare subsp. aviculare Ira L. Wiggins 1966-3-31 20570 Orange Along shoulder of Brea Olinda Boulevard near Carolina Avenue, just outside the city limits of Fullerton Comment
  POM201766  Polygonum aviculare subsp. aviculare L. M. Booth 1932-7-4 1254 Orange Newport Lagoon. Comment
  RSA542466  Polygonum aviculare subsp. aviculare Fred M. Roberts 1987-3-31 3299 Orange Lomas de Santiago: Lomas Ridge, upper Serrano Canyon, east fork, reservoir, 2.7km SE Bolero Lookout. 350 Comment
  RSA5579  Polygonum aviculare subsp. aviculare Carl B. Wolf 1932-6-28 3763 Orange Bryant Ranch: along western half of north boundary of 40 acre Valencia orange grove at Bryant Ave. and Hansen Road. 9 Comment
  RSA683223  Polygonum hydropiperoides Scott D. White, Matt Carlton 2003-11-20 9868 Orange Santa Ana Mountain foothills; San Juan Creek in San Juan Capistrano; (Dana Point) 24 Comment
  RSA698499  Polygonum persicaria J. R. Bruff 1930-10-5 4 Orange Santa Ana River Bed. Comment
  IRVC24465  Polypodium californicum Fred M. Roberts 1986-2-5 2587 Orange Santa Ana mtns: Lower Hot Springs Canyon, 1.1km NNW Juan Rancho Survey Mk Peninsular Ranges 285 Comment
  IRVC3044  Polypodium californicum A. S. Boughey, P. Pembrook 1965-6-15 1043 Orange Silverado Canyon, Cleveland Nat. For., near reservoir, stream bank in chaparral, riparian woodland, recently cleared for reservoir. Santa Ana Mountains Comment
  RSA0014997  Polypodium californicum Fred M. Roberts 2008-5-14 6961 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Canyon below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 337 Comment
  RSA21  Polypodium californicum J. T. Howell 1928-2-7 810 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA689928  Polypodium californicum Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  RSA699746  Polypodium californicum Fred M. Roberts, D. E. Bramlet 2003-5-15 5873 Orange Rancho Mission Viejo; Donna O Neill Land Conservancy Cristianitos Cyn, 1.41 km SSW Gato Gate and 0.35 km NNW of SDG&E substation. 122 Comment
  IRVC21412  Polypodium californicum A. S. Boughey 1969-3-18 s.n. Orange Ortega Highway; 2mi E of San Juan Guard Station. Southern Coastal Comment
  UC729938  Polypogon australis Carl B. Wolf 1932-6-13 3723 Orange Fullerton; Malvern and Nicholas Avenues 53 Comment
  RSA697072  Polypogon interruptus Rankin s.n. Orange Irvine Park Comment
  CAS-BOT-BC237264  Polypogon monspeliensis Carl B. Wolf 1932-7-2 3819 Orange Carbon Canyon, 1/8 mile below La Vida Springs 213 Comment
  CAS-BOT-BC237266  Polypogon monspeliensis John Thomas Howell 1927-6-21 2570 Orange On N side of Santa Ana Canon [Canyon] 152 Comment
  IRVC1814  Polypogon monspeliensis Ray Harbour 1965-3-23 s.n. Orange Corona del Mar. southern coastal Comment
  IRVC27750  Polypogon monspeliensis Mark A. Elvin 2004-5-2 3416 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7km (air) NNW UC Irvine campus center. Southern Coastal 3 Comment
  SDSU2787  Polypogon monspeliensis Thomas A. Zink 1971-4-1 Orange growing in a shallow roadside ditch along Back Bay Rd. about 2.5 miles west of Jamboree Rd., at the bottom of a steep cliff. 5 Comment
  UCR192978  Polypogon monspeliensis A. C. Sanders, Fred M. Roberts 2008-6-17 35466 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 260 Comment
  RSA696614  Polypogon monspeliensis Rankin s.n. Orange Costa Mesa. Comment
  RSA725534  Populus Fred M. Roberts 2007-9-11 6570 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  CAS-BOT-BC108544  Populus balsamifera R. E. Jr. Riefner 2006-4-8 06 -111 Orange South Coast: San Juan Capistrano (city), San Juan Creek at La Novia Ave. (San Juan Capistrano 7.5' Q.) 21 Comment
  UCR240176  Populus balsamifera subsp. trichocarpa R. E. Riefner Jr. 2012-9-23 12- 512 Orange city of Yorba Linda, Santa Ana Canyon, north side of Santa Ana River, La Palma Avenue at Via Del Rio Road 104 Comment
  SD220081  Populus fremontii subsp. fremontii Mark A. Elvin 2004-5-2 3430 Orange Irvine: San Joaquin Freshwater Marsh near Campus and University Drs., 1.7km (air) NNW UC Irvine campus center. 3 Comment
  JEPS117746  Populus trichocarpa Mark A. Elvin, A. C. Sanders 2005-9-2 4493 Orange Santa Ana Mtns: Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Comment
  RSA5326  Populus trichocarpa B. D. Stark 1932-12-30 4469 Orange Rancho Santa Ana. River bottom below Mexican houses. 122 Comment
  RSA603349  Populus trichocarpa Scott D. White, B. Leatherman 1997-6-12 5327 Orange East of San Juan Capistrano: San Juan Creek between Hwy 74 bridge and Mission Vieja site, i.e., ca. 2 to 4 mi. E of I-15 / Hwy 74 jtn. 46 Comment
  SD152924  Porophyllum gracile Steve Boyd, Tim Ross 1992-5-19 7447 Orange Southern Santa Ana Mountains, western edge of the wilderness in Aliso Canyon at the confluence with Lucas Canyon. 274 Comment
  POM6394  Potamogeton nodosus L. T. Street, Williams 1919-5-4 2689 Orange Laguna Lakes. [now Big Laguna Lake, San Diego Co.] Comment
  RSA699853  Prunus ilicifolia J. Vlahos 1934-4-22 s.n. Orange Harding Canyon Comment
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Jun 10 2012
  UC1128385  Prunus ilicifolia A. Lewis Apr 1934 384 Orange Harding Canyon; Cleveland National Forest 762 Comment
  LA208150  Prunus ilicifolia subsp. lyonii Donald Lee Johnson; 1965-1 sn Orange San Clemente Island, Reservoir Canyon Comment
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Jan 29 2015
  UC537076  Pseudognaphalium biolettii Lawrence M. Booth 1932-5-19 1067 Orange Newport Bay Comment
  UC468798  Pseudognaphalium californicum C. F. Millspaugh 1920-2-7 4697 Orange Pebble Beach Road Comment
  CAS-BOT-BC502069  Pseudognaphalium leucocephalum R. E. Riefner, Jr. 2015-12-9 15 -459 Orange Rancho Mission Viejo, E of San Juan Capistrano, San Juan Creek, W of Antonio Pkwy, N side of Ortega Hwy (Hwy 74), near Sendero Field Park 55 Comment
  CAS-BOT-BC356984  Pseudognaphalium luteoalbum Scott D. White; Brian Leatherman 1997-6-12 5313 Orange Santa Ana Mtn. foothills. East of San Juan Capistrano: San Juan Creek between Hwy 74 bridge and Mission Vieja site, i.e., ca. 2 to 4 mi E of I-15 / Hwy 74 jtn. 75 Comment
  UC536948  Pseudognaphalium ramosissimum Lawrence M. Booth 1932-7-27 1321 Orange Corona del Mar Newport Beach, Corona del Mar Comment
  UC537037  Pseudognaphalium stramineum Lawrence M. Booth 1932-12-13 1374 Orange near Harbor Island; Newport Bay Comment
  UCR281475  Pseudognaphalium stramineum Mitch Provance 2017-6-9 617- 98 Orange Coyote Hills, North Fullerton, East side of Gilbert St., 0.5 miles ENE of intersection with Castlewood Dr. 124 Comment
  CAS-BOT-BC357570  Pseudognaphalium stramineum Ira L. Wiggins 1966-3-18 20533 Orange Experimental Garden behind greenhouse, California State College at Fullerton Comment
  MACF019844  Pseudotsuga macrocarpa C. T. O'Dowd 1975-5-21 3 Orange Santiago Canyon Road, Cleveland National Forest 731 Comment
  UCR114252  Pseudotsuga macrocarpa R. E. Riefner Jr. 2000-8-8 20- 717 Orange Peninsular Range, Santa Ana Mountains, North Ranch Policy Plan Area, NE property, E slope of upper Fremont Canyon, south of Donaldson Ranch and south of powerline/ National Forest boundary 454 Comment
  UCR144742  Pseudotsuga macrocarpa A. S. Boughey 1965-3-16 75 Orange Santa Ana Mtns., Silverado Canyon Comment
  UCSB47639  Pseudotsuga macrocarpa Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail, on east side of road, 0.4 km. W Trabuco peak, Santa Ana Mtns. 1341 Comment
  UCR174219  Pteridium aquilinum A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33034 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA542465  Pterostegia drymarioides Fred M. Roberts 1988-4-10 3906 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout. 415 Comment
  RSA698489  Pterostegia drymarioides Minor Warne 1934-4-28 s.n. Orange Ladd Canyon-Santa Ana Mts. PR8. Comment
  CAS-BOT-BC362145  Pulicaria paludosa Robert L. Pope 1960-7-9 s.n. Orange Roadside approximately 0.5 mile north of Yorba Linda turnoff, Santa Ana Canyon Comment
  CDA23087  Pulicaria paludosa Mary H. White 2006-9-23 923061 Orange Southern Coastal; San Joaquin Freshwater Marsh, UC Natural Reserve; southwest edge, along San Diego Creek, north of University Drive, east Highway 73. Comment
  UCR210376  Pulicaria paludosa T. B. Salvato, Billy Deane 2006-10-16 1932 Orange South Coast, Irvine, San Diego Creek flood control channel, between Michelson Drive and the 405 FWY 12 Comment
  UCR95587  Pulicaria paludosa P. H. Raven 1961-10-15 16857 Orange Dike along road to Yorba Linda, just north of US Hwy 91 114 Comment
  UCSB52414  Quercus X acutidens Roberts, Fred 1982-7-9 Orange Santa Ana Mtns,: San Juan Canyon, Hwy 74, entrance to Lower San Juan Picnic ground; 1.9km NW Sitton Peak 305 Comment
  UCSB52415  Quercus X acutidens Roberts, Fred 1981-11-15 Orange Santa Ana Mtns.: San Juan Canyon, Rte. 74, 0.5km by road SW Lower San Juan Picnic Ground, 425 Comment
  RSA12361  Quercus X grandidentata E. R. Johnson 1934-1-6 5561 Orange Santa Ana Mts., on slopes of Sierra Peak at about the head of Claymine Canyon. 762 Comment
  RSA697623  Quercus agrifolia R. H. McArthur 1934-3-10 s.n. Orange Santiago Canyon. Canyon bottom. Comment
  UCR240200  Quercus agrifolia C. J. Minar 1994-4-16 05 Orange South Coast, Santa Ana, on the bank of Santiago Creek, 0.25 mi. east of Santiago St. and 0.25 mi. west of Amtrack RR bridge, east of I-5 Fwy & south of Garden Grove (22) Fwy 50 Comment
  IRVC24518  Quercus berberidifolia Fred M. Roberts, Gordon A. Marsh 1986-2-28 2632 Orange Mission Viejo: N of Oso Parkway; 4.2km NNE Saddleback Community College. Southern Coastal 200 Comment
  RSA171930  Quercus berberidifolia Robert F. Thorne 1963-7-26 32828 Orange Santa Ana Mts., Cleveland National Forest, Trabugo District. 1189 Comment
  RSA7679  Quercus berberidifolia Carl B. Wolf 1933-11-8 5537 Orange Trabuco Canyon along the Trabuco Truck trail Canyon. 915 Comment
  UCR242703  Quercus berberidifolia Fred M. Roberts 2012-5-10 7583 Orange SAN JOAQUIN HILLS: Buck Gully, south fork, north slope of Pelican Hill, along Pelican Hills Dr., 0.3 km N summit Pelican Hill. 189 Comment
  LA46913  Quercus chrysolepis C. B. Wolf; E. R. Johnson 1933-11-3 5528 Orange Santa Ana Mountains, Main Divide Motorway, W side of Modjeska Peak 1371 Comment
  RSA697628  Quercus chrysolepis Leo Miller 1938-3-26 s.n. Orange Near top of Saddleback Mt. Comment
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Apr 26 2014
  CAS-BOT-BC86399  Quercus dumosa Rev. J. C. Nevin 1904-1-1 s.n. Orange San Juan Capistrano Comment
  RSA550591  Quercus dumosa Fred M. Roberts, Kirkland 1989-2-22 4183 Orange San Joaquin Hills: Pelican Hill, 0.4km ESE Summit. 189 Comment
  UCR241915  Quercus dumosa Fred M. Roberts 2012-5-10 7560 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, south fork of Buck Gully, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive 183 Comment
  UCSB52416  Quercus dumosa Roberts, Fred 1982-6-30 Orange Laguna Niguel; Niguel Hill, above Pacific Island Dr., 1.9 km. SE Aliso Peak; 1.1 km. E Bench Mark 133 223 Comment
  RSA542389  Quercus engelmannii Richard Ericson 1991-6-11 s.n. Orange San Joaquin Hills: upper Coyote Canyon on north signal peak, ca. 0.6 km NW summit, UTM 37 19 000m N, 4 24 200m E alt. 204m 204 Comment
  RSA684302  Quercus engelmannii Fred M. Roberts, David E. Bramlet. 2003-3-13 5596 Orange Donna O'Neill Land Conservancy: Shady Cyn. tributary to Cristianitos Canyon, 1,200m NW Sycamore Gate and 914m W Cristianitos Rd. 177 Comment
  RSA702211  Quercus engelmannii Fred M. Roberts, Robert L. Allen 2004-1-16 6019 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.15km W of Cristianitos Rd. 92 Comment
  CDA32098  Quercus ilex Barry S. Nerhus, Mark A. Elvin 2006-11-4 6 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal Comment
  IRVC19904  Quercus lobata Gordon A. Marsh, Karlin G. Marsh 1983-7-15 s.n. Orange San Joaquin Hills, Upper Shady Canyon. Southern Coastal Comment
  UCD132263  Quercus palustris Peter Evans 2013-4-20 s.n. Orange Niguel Botanical Preserve located at 29751 Crown Valley Parkway, Laguna Niguel. 99 Comment
  CAS-BOT-BC104666  Quercus wislizeni Carl B. Wolf 1933-10-8 55339 Orange Santa Ana Mts. Main divide motorway, NW side of Trabuco Peak 1310 Comment
  RSA679225  Quercus wislizeni var. frutescens Fred M. Roberts 2003-6-25 5946 Orange Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit. 1605 Comment
  UCR113448  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2000-4-13 20- 361 Orange Peninsular Range, Santa Ana Mountains, North Ranch Policy Plan Area, upper drainage of Fremont Canyon near National Forest boundary, south of Claymore Mine 610 Comment
  UCR16759  Ranunculus californicus David M. Peterson 1966-3-9 660309- 6 Orange 3 mi east of San Juan Capistrano on the road to Elsinore 306 Comment
  UCR241898  Ranunculus californicus Fred M. Roberts 2012-4-24 7531 Orange Peninsular Ranges; coastal foothills, San Joaquin Hills, Buck Gully, above main trail, 2 km W Signal Peak and about 0.4 km S San Joaquin Hills Road 155 Comment
  HSC92525  Raphanus raphanistrum D. Atwood 1993-3-29 17737 Orange Huntington Beach along Beach Blvd., 0.5 mi. N of the beach Comment
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Jul 14 2012
  IRVC1130  Raphanus raphanistrum L. McCabe 1965-4-17 Orange Laguna Canyon. Laguna Beach Comment
  IRVC1135  Raphanus sativus C. Duncan 1965-4-3 Orange Newport Beach Comment
  IRVC1143  Raphanus sativus M. Cadnum 1965-4-1 Orange Knowell Pl. Costa Mesa Comment
  RSA658474  Raphanus sativus J. Berkley 1994-4-19 5 Orange Yorba Linda, off Bastuchury Rd. about 50 yds from Casa Loma Ave. Comment
  SD175849  Rhamnus alaternus D. G. Kelch 2006-12-9 06 546 Orange Along Newport Back Bay Dr. in side canyon. 6 Comment
  SEINET3075984 Image available Rhamnus californica Reid Moran 1975-7-18 725 Orange Common in bottom of upper Trabuco Canyon, Santa Ana Mountains. 725 Comment
  UC592928  Rhamnus californica subsp. californica P. C. Everett 1936-9-19 Orange Silverado Canyon, in vicinity of forest service road gate at base of road Santa Ana Mountains 762 Comment
  LA207810  Rhamnus crocea subsp. ilicifolia Carl B. Wolf; 1931-3-6 1845 Orange Santa Ana Mountains, Trabuco Canyon, 0.5 mi. above Trabuco Oaks 457 Comment
  CAS-BOT-BC56034  Rhamnus ilicifolia C. B. Wolf; E. R. Johnson 1933-11-3 5531 Orange Santa Ana Mts., Silverado Canyon, base of Silverado Motorway 731 Comment
  CAS-BOT-BC56036  Rhamnus ilicifolia C. B. Wolf 1931-3-6 1845 Orange 1/2 mile above Trabuco Oaks, Trabuco Canyon, west slope of the Santa Ana Mts. 457 Comment
  POM243761  Rhamnus tomentella subsp. cuspidata Percy C. Everett 1935-6-18 7217 Orange Santa Ana Mts: Summit of Santiago Peak. 1732 Comment
  CAS-BOT-BC167921  Rhus integrifolia Ira L. Wiggins 1966-2-25 20474 -A Orange Firestone Boy Scout Reservation, in hills E. of Brea Comment
  IRVC15661  Rhus integrifolia A. S. Boughey, P. Pembrook 1965-7-16 1011 Orange Los Trancos Canyon, near spring, ; chaparral. San Joaquin Hills Comment
  IRVC68  Rhus integrifolia A. S. Boughey, P. Pembrook 1965-7-16 1011 Orange Los Trancos Canyon, near spring, ; chaparral. San Joaquin Hills Comment
  RSA386362  Rhus integrifolia Albert J. Perkins 1923-6-28 s.n. Orange Negre Canon Beach, Santa Ana. Comment
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Nov 1 2013
  UCR106277  Rhus integrifolia B. G. Pitzer, M. Georgiady 1997-4-5 3092 Orange San Joaquin Hills, Crystal Cove State Park, portion across highway on the beach, bluffs immediately above beach and adjacent terraces for southeast end of park. 24 Comment
  SEINET12235089  Rhus integrifolia Unknown 1933-1 8218 Orange Back of LaGuna Beach Comment
  UCR192973  Rhus laurina A. C. Sanders, Fred M. Roberts 2008-6-17 35462 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge on Hicks Canyon Haul Road, c. midway between Foothill Transportation Corridor and Santiago Cyn. Rd. 335 Comment
  CAS-BOT-BC167934  Rhus ovata John Thomas Howell 1927-7-26 2843 Orange Claymine [Canon] Canyon, n. Santa Ana Mts. 243 Comment
  RSA13147  Rhus ovata Percy C. Everett 1935-6-19 7240 Orange Trabuco Canyon, 2 mi. above E Forest Service Patrol Station. 762 Comment
  RSA695989  Rhus ovata Keith E. Hoffmaster 1934-4-8 s.n. Orange Gypsum can (n. Corona), Santa Ana Mts Comment
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Dec 11 2011
  RSA696478  Rhus ovata Anonymous 1933-5-6 s.n. Orange Black Star Canyon [county not specified] Comment
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Jun 10 2012
  LA205460  Ribes californicum var. hesperium W. Pequegnat; 1938-3-19 sn Orange Santa Ana Mountains, junction of Holy Jim and Trabuco Canyons 670 Comment
  CAS-BOT-BC173125  Ribes indecorum B. D. Stark 1930-2-21 1475 Orange Black Star Creek 457 Comment
  CAS-BOT-BC173127  Ribes indecorum C. B. Wolf 1931-3-6 1833 Orange 1 1/2 miles below Trabuco Oaks along Trabuco Canyon road, west slope Santa Ana Mts. 304 Comment
  LA205444  Ribes indecorum O. A. Plunkett; 1939-2-18 sn Orange 15 mi. E of Capistrano Comment
  POM305815  Ribes indecorum Henry J. Ramsey 1937-4-2 1044 Orange Capistrano Canyon. Comment
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Dec 17 2011
  RSA162689  Ribes indecorum J. D. Olmsted 1960-1-9 1093 Orange Hidden Ranch at Old Indian Campground, Santa Ana Mts. Black Star Creek. 640 Comment
  UC484236 Image available Ribes indecorum C. B. Wolf 1931-3-6 1833 Orange 1 1/2 mi below Trabuco Oaks (Trabuco Canyon Road, w slope of mts.); Santa Ana Mts. 304 Comment
  UCSB48367  Ribes indecorum Roberts, Fred 1982-4-18 Orange SANTA ANA MTNS; Hot Springs Canyon; 0.8km SW Falcon Group Camp 306 Comment
  RSA101789  Ribes malvaceum var. viridifolium R. Weatherby 1950-2-25 1030 Orange Harding Canyon, Santa Ana Mts. 762 Comment
  RSA1336  Ribes malvaceum var. viridifolium E. R. Johnson 1929-3-12 1250 Orange Canyon West of Roundtop Rancho Santa Ana. 457 Comment
  RSA84499  Ribes malvaceum var. viridifolium F. W. Peirson 1923-4-6 3504 Orange Santiago Peak, Santa Ana Mts. Holy Jim trail. 1143 Comment
  UCD169741  Ribes malvaceum var. viridifolium R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49706 Orange Northern Santa Ana Mountains: Sierra Peak. 899 Comment
  UCSB47637  Ribes malvaceum var. viridifolium Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail; 0.2km west of Trabuco Peak; Santa Ana Mtns 1347 Comment
  CAS-BOT-BC173739  Ribes speciosum John Thomas Howell 1927-6-6 2451 Orange Santa Ana River bottom, Santa Ana [Canon] Canyon 152 Comment
  CLARK-A1528-4151  Ribes speciosum John C. Roos 1962-5-6 Orange Santa Ana Mountains Comment
  RSA162813  Ribes speciosum J. D. Olmsted 1958-3-4 20 Orange Small pond with westward drainage into Irvine lake, 250yards. West of Oak Flat fire road intersection, which is 9 miles southeast of Corona in Santa Ana Mts. 793 Comment
  UCR241064  Ribes speciosum Dick Newell, Don Millar 2013-2-26 316 Orange South Coast, Willow Canyon Trail, Laguna Wilderness, 0.4 mi. NW of 133 Hwy and El Toro Rd. 163 Comment
  RSA267967  Ricinus communis E. W. Lathrop 1977-6-16 7655 Orange Silverado Canyon. Santa Ana Mts. Cleveland National Forest, Trabuco District. 365 Comment
  RSA658639  Ricinus communis E. Jordan 1969-5-15 32 -1 Orange Waste area, at intersection of Valley View & Avolenia Drs. Fullerton. Comment
  RSA171108  Romneya coulteri Robert F. Thorne 1963-7-26 32841 Orange Tin Mine Canyon above Beek's Spring, Trabuco District, Santa Ana Mountains, Cleveland National Forest. 762 Comment
  RSA314  Romneya coulteri J. T. Howell 1924-7-24 472 Orange Claymine Canyon near Sierra Peak. 168 Comment
  RSA564318  Romneya coulteri B. Pitzer 1992-5-21 1938 Orange Cleveland National Forest. State Hwy 74, 1 mi uphill from the 2000 ft. marker and to the left c. 1 mi on an old paved road. 762 Comment
  RSA722424  Romneya coulteri G. Gentges 1932-5-8 s.n. Orange Silverado Canyon Wash. Comment
  UC144803  Romneya coulteri Katharine Brandegee June 1910 Orange The Dumps Anaheim Comment
  RSA771717  Romneya coulteri Robt. Allen, Richard S. Newell, Roger E. Reinke 2006-6-30 s.n. Orange Santa Ana Mts., Holy Jim Canyon Trail. About 1 mile up trail from forest gate. 609 Comment
  CAS-BOT-BC92180  Romneya coulteri var. coulteri Helen D. Geis 1902-5-1 s.n. Orange Santa Ana River Canon [Canyon]. Comment
  POM394  Rorippa curvisiliqua D. L. Crawford 1916-7-26 s.n. Orange Laguna Canyon. Comment
  SD72247  Rorippa nasturtium-aquaticum R. S. Woglum 1932-4-16 Orange Trabuco Canyon Comment
  RSA703026  Rorippa palustris subsp. occidentalis R. E. Riefner Jr. 2004-8-27 4 -393 Orange City of Irvine, San Diego Creek at 405 freeway. 50 Comment
  RSA304832  Rosa californica James R. Shevock 1970-4-25 157 Orange Santa Ana Mts. 168 Comment
  UCR236676  Rosa californica Fred M. Roberts 2008-6-12 7038 Orange Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd. 251 Comment
  UCR188927  Rosmarinus officinalis Robert DeRuff 2007-11-24 s.n. Orange Newport Beach, Upper Newport Bay, North Star Beach 4 Comment
  RSA542399  Rubus ursinus Fred M. Roberts Jr. 1987-3-31 3293 Orange Lomas de Santiago: Lomas Ridge, Upper Serrano Canyon east fork, 2.9 km SE Bolero Lookout. 327 Comment
  VVC457  Rubus ursinus F. Ambrey 1959-5-4 s.n. Orange Santa Ana Mtns., 0.8 mi W of pavement end in Silverado Cyn. 649 Comment
  RSA0022431  Rubus ursinus Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49789 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  RSA666107  Rumex crispus Fred M. Roberts, Michelle Lee 2001-6-18 5496 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. 226 Comment
  RSA232221  Rumex crispus James Henrickson 1970-8-29 5313 Orange 3 mile NE of Huntington Beach in Pasture just N of Bolsa Chica Salt Marsh; 0 Comment
  RSA713577  Rumex crispus R. E. Riefner Jr. 2005-7-9 5 -550 Orange City of Mission Viejo, Oso Creek, ca. 0.5 mi N of Paseo De Colinas on Camino Capistrano. 86 Comment
  RSA749313  Rumex hymenosepalus Fred M. Roberts 2008-3-21 6790 Orange Santa Ana Mtns.: Central Weir Cyn. along Upper Weir Cyn. Rd., 1.3 km ESE Robbers Peak, about 2 km above canyon mouth. 224 Comment
  UCR221460  Rumex hymenosepalus Dick Newell, Don Millar 2010-4-27 29 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, 100 ft. east of Agua Chinon Road at a point 6 miles due north of Hwy 241 229 Comment
  POM201765  Rumex salicifolius L. M. Booth 1932-7-4 s.n. Orange Newport Lagoon. Comment
  RSA734984  Rumex salicifolius A. C. Sanders, T. B. Salvato 2008-5-13 35386 Orange Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  UCSB48108  Rumex salicifolius Roberts, Fred 1981-4-12 Orange SANTA ANA MTNS.: San Juan Canyon, Hwy 74, 1.3km by road E San Juan Guard Station; 0.9km SE Juan Rancho Survey Mark 295 Comment
  UC536914  Rumex salicifolius var. salicifolius Lawrence M. Booth 1932-7-7 1245 Orange Newport Lagoon Comment
  RSA512756  Rupertia physodes Walter Wisura, Bart O'Brien, M. Durant 1990-6-12 4447 Orange Along forest rd. 3SO4 fr. 2.15 miles Ortega Hwy. to Santiago Peak. Comment
  HSC25555  Ruppia maritima James Henrickson 1970-7-24 5023 Orange 3 mi. NW of Huntington Beach, Inner Bolsa Bay, along margins of bay 0 Comment
  SEINET5471003 Image available Ruppia maritima James Henrickson 1970-7-24 5023 Orange 3 mi. NW of Huntington Beach- Inner Bolsa Bay- froming very dense stand along margins of bay. Comment
  UCR141344  Sagina decumbens subsp. occidentalis Robert DeRuff 1997-1 440 Orange Southern Coast, Newport Beach, Upper Newport Back Bay, bluff top south of San Joaquin Hills Road and N of Newporter Canyon 30 Comment
  UCR25846  Salicornia bigelovii Wayne R. Ferren 1980-8-27 2329 Orange South Coast, west side of Backbay Drive, c. 1.5 km northeast of Hwy 1, along channel of Newport Backbay, Newport Beach. Comment
  UCSB13412  Salicornia pacifica Whittington, M. 1962-4-20 Orange South side of back Newport Bay about one mile south of saltworks, Newport Comment
  JEPS73723  Salicornia subterminalis L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-7-16 2046 Orange just s. Bolsa Chica State Park (Salt Marsh (s. end of Bolsa Bay)); Bolsa Bay Comment
  RSA678746  Salicornia virginica Valerie Soza, Kevin B. Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary D. Wallace 2001-4-4 1101 Orange Seal Beach National Wildlife Refuge: Seal Beach U. S. Naval Weapons Station, across access road from Nature Center (Bldg 226). 3 Comment
  RSA768501  Salicornia virginica Justin M. Wood 2009-12-1 1392 Orange Santa Ana River: marsh just upstream of Pacific Coast Highway. 0 Comment
  RSA698842  Salix argophylla Unspecified s.n. Orange Arch beach Comment
  RSA751524  Salix exigua A. C. Sanders, Fred M. Roberts 2008-8-7 35988 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 Comment
  UC492355  Salix exigua var. hindsiana Carl B. Wolf 1932-4-15 2953 Orange near Santa Ana R. Rancho Santa Ana (along river s of pear orchard); Santa Ana Canyon 120 Comment
  CAS-BOT-BC108134  Salix gooddingii Carl B. Wolf 1932-4-8 2950 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon 120 Comment
  RSA5308  Salix gooddingii B. D. Stark 1933-1-7 4509 Orange Rancho Santa Ana, river bottom below ranch houses. 122 Comment
  UC492356  Salix gooddingii Carl B. Wolf 1932-4-8 2950 Orange near Santa Ana R. Rancho Santa Ana (at s.e. corner of pear orchard); Santa Ana Canyon 120 Comment
  SEINET13212664 Image available Salix gooddingii Unknown 1903-1 3256 /1227 Orange Santa Ana River near Orange, S. California. Comment
  PASA2674  Salix laevigata Carl B. Wolf 1932-4-8 2949 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon 120 Comment
  RSA12633  Salix laevigata Carl B. Wolf 1934-8-16 6067 Orange Bryant Ranch east of Long Beach. Near N.W. corner section 33. Comment
  RSA735353  Salix laevigata R. H. McArthur 1934-3-1 s.n. Orange Santa Ana River at 1st Street. Comment
  SD1032  Salix laevigata Carl B. Wolf 1932-4-8 2949 Orange Rancho Santa Ane, near Santa Ana River, Santa Ana Canyon 120 Comment
  UC506451  Salix laevigata Carl Hedin and Joseph Ewan 1932-7-9 7683 Orange 8 km. below Prado (Rincon) (Santa Ana R.); Santa Ana R. Comment
  RSA0030858  Salix laevigata Carl B. Wolf 1932-4-8 2949 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon. 120 Comment
  RSA5309  Salix lasiolepis B. D. Stark 1933-1-7 4508 Orange Rancho Santa Ana, river bottom below ranch houses. 122 Comment
  RSA542510  Salix lasiolepis Fred M. Roberts Jr. 1987-4-21 3388 Orange Aliso Viejo: Aliso Creek, Aliso Creek bike Trail. 3.0 km ENE Moulton Peak. 73 Comment
  RSA488136  Salix lucida subsp. lasiandra Fred M. Roberts Jr. 1985-8-23 2176 Orange Mission Viejo: Oso Pkwy., ca. 1.8km E San Diego Fwy. 133 Comment
  RSA0005848  Salix nigra var. vallicola L. R. Abrams 1903-4-16 3256 Orange Santa Ana River, near Orange Comment
  CAS-BOT-BC126307  Salix sessilifolia Carl B. Wolf 1932-7-7 3845 Orange Rancho Santa Ana, along ditch on Bixby Ave., 1 km. west of Hansen Road, near town of Los Alamitos 7 Comment
  RSA700189  Salix sessilifolia R. H. McArthur 1934-2-27 s.n. Orange Santa Ana River at 1st St. Comment
  CAS-BOT-BC126305  Salix sessilifolia Carl B. Wolf 1932-3-16 2715 Orange Rancho Santa Ana, Santa Ana River bottom 121 Comment
  RSA39338  Salpichroa origanifolia E. L. Paddock 1943-5-28 12744 Orange Little Tia Juana Campsite, Sunny Hills Ranch, Fullerton. Comment
  RSA39339  Salpichroa origanifolia E. L. Paddock 1943-5-28 12744 Orange Little Tia Juana Campsite, Sunny Hills Ranch, Fullerton. Comment
  SD243324  Salsola australis R. E. Riefner Jr. 2006-11-14 06 672 Orange City of Irvine, San Diego Creek; vicinity of Campus Ave. at University Drive. (Tustin 7.5'Q) 4 Comment
  UCR192081  Salsola australis A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35282 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  UCR237918  Salsola australis Mark A. Elvin 2003-2-2 2255 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  CAS-BOT-BC176978  Salsola tragus Peter H. Raven 1957-9-28 11381 Orange At north limits of Surfside Comment
  RSA270  Salsola tragus J. T. Howell 1927-7-27 499 Orange Near ranch houses, Rancho Santa Ana 152 Comment
  RSA734986  Salsola tragus A. C. Sanders, Fred M. Roberts, Amber O Neal 2008-5-9 35282 Orange Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  RSA728671  Salsola tragus R. E. Riefner 2006-11-14 6 -672 Orange City of Irvine, San Diego Creek; vicinity of Campus Ave. at University Dr. 5 Comment
  RSA663  Salvia apiana J. T. Howell 1927-6-3 s.n. Orange Botany Garden, Rancho Santa Ana. 152 Comment
  UC1124655  Salvia apiana A. Lewis 1934-5-1 434 Orange Los Pinos Peak; Cleveland National Forest, Elsinore Quad. 1036 Comment
  UCR193050  Salvia apiana A. C. Sanders, Fred M. Roberts 2008-6-17 35487 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, West Loma Ridge Spur Road c. 1 km east of Sheriff's Training Facility and 1.6 km SW of Irvine Lake, between hwys 241 and 261 357 Comment
  UCR193060  Salvia apiana A. C. Sanders, Fred M. Roberts 2008-6-17 35502 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, Windy Ridge Rd., saddle on ridge at head, above the Eastern Transportation Corridor 400 Comment
  UCR241901  Salvia apiana Fred M. Roberts 2012-4-24 7528 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  RSA542482  Salvia columbariae Fred M. Roberts, Teresa Sholars 1988-3-29 3881 Orange Santa Ana Mountains: Hot Springs Canyon, 0.5 km by road north Hwy 74, 0.9 km ESE Juan Rancho Survey Marker. 223 Comment
  RSA662  Salvia columbariae J. T. Howell 1928-3-18 891 Orange Rancho Santa Ana, Botanic Garden. 152 Comment
  SEINET3242545  Salvia columbariae Norman C. Cooper 1944-1 1349 Orange Elsinore Mtn. Orange Co. 1067 Comment
  CAS-BOT-BC233671  Salvia leucophylla Carl B. Wolf 1943-6-8 11448 Orange Rancho Santa Ana Botanic Garden, Santa Ana River Canyon 198 Comment
  POM21174  Salvia leucophylla Helen D. Geis 1902-05 s.n. Orange Santa Ana Mtns: Santiago Canyon. Comment
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Dec 1 2016
  RSA5345  Salvia leucophylla B. D. Stark 1932-12-30 4464 Orange Rancho Santa Ana, slopes NW of tennis court. Comment
  RSA651802  Salvia leucophylla Shlomo Gat 1959-5-12 34 Orange Carbon Canyon. Comment
  RSA653189  Salvia leucophylla David Barrios 1991-5-8 22 Orange 1500 ft. Northwest of Fairmont Ave and Quail cir. 366 Comment
  CAS-BOT-BC229981  Salvia mellifera A. M. White 1974-6-1 1384 Orange Ca 20 mi. E. of Santa Ana N. of Silverado Canyon Comment
  RSA614341  Salvia mellifera B. Pitzer 1996-4-30 2798 Orange Crystal Cove State Park, S of City of Irvine on State Hwy 1 (Pacific Coast Hwy). Bluffs above the beach. Comment
  RSA658202  Salvia mellifera T. A. Daubert 1991-5-19 652 Orange Tucker Wildlife Sanctuary, Modjeska Canyon inside sanctuary. Comment
  UC1618084  Salvia mellifera Donald G. Nelson 1935-3-17 170 Orange Carbon Canyon Comment
  UCR159776  Salvia mellifera Peter A. Bowler 2003-4-20 s.n. Orange Southern Coastal, UC San Joaquin Freshwater Marsh Reserve; bluffs along NW edge of marsh 9 Comment
  POM3988  Salvia spathacea P. A. Munz 1918-5-4 2198 Orange Laguna Canyon. Comment
  CSUSB696  Sambucus mexicana Cesareo Perez 1971-5-4 Orange South Mesa Drive and Lemon Street in Villa Park Comment
  IRVC26757  Sambucus mexicana Peter A. Bowler 2003-4-26 s.n. Orange UC San Joaquin Freshwater Marsh Reserve; along marsh road. Southern Coastal 6 Comment
  IRVC337  Sambucus mexicana H. R. Williams 1966-6-21 611 Orange San Diego Creek at Sand Canyon Road; roadside near cultivated field. Irvine Comment
  RSA0043352  Sambucus mexicana David Barrios 1991-5-8 26 Orange 1500 ft. northwest of Fairmont Ave and Quail Cir., Yorba Linda. 365 Comment
  RSA587877  Sambucus mexicana Fred M. Roberts 1990-5-8 4624 Orange Chino Hills: Soquel Canyon, ca. 1.4km Nof Gilman Peak. 335 Comment
  RSA650821  Sambucus mexicana Daniel Truong 1991-5-13 6 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of 'closed area' Comment
  UCR209664  Sambucus nigra Fred M. Roberts 2008-5-8 6944 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near Strands Road Gate, 0.8 km west-northwest of the Marine Institute, Dana Point Harbor 65 Comment
  CAS-BOT-BC238828  Sambucus nigra subsp. caerulea Carl B. Wolf 1934-9-21 6140 Orange Silverado Canyon, west slope of Santa Ana Mts., 3/4 mi. below foot of Silverado Motorway 548 Comment
  IRVC16673  Sanicula arguta J. B. Anderson 1966-4-11 435 Orange around hill west of Signal Peak. San Joaquin Hills Comment
  UCR222641  Sanicula bipinnatifida D. E. Bramlet 2008-4-28 4247 Orange Peninsular Range; Santa Ana Mtns. Foothills, east fork of upper Weir Canyon, north side of access road, 1.22 km east of the main canyon and 122 m west of the upper boundary of Gypsum Canyon 406 Comment
  SBBG61402  Sanicula crassicaulis E. Rockwell -Mar-1920 1119 Orange Silverado Cyn Comment
  UCR234143  Sanicula crassicaulis Dick Newell, Don Millar 2012-3-13 230 Orange South Coastal Plain, Buck Gully, city of Newport Beach 148 Comment
  IRVC15153  Sanicula crassicaulis var. crassicaulis A. S. Boughey 1965-3-16 73 Orange Silverado Canyon. Santa Ana Mountains Comment
  IRVC22550  Sanicula crassicaulis var. crassicaulis Fred M. Roberts 1985-5-1 1706 Orange Aliso Canyon, 2.1km NNE Aliso Peak, Aliso Viejo 67 Comment
  IRVC17131  Sanicula crassicaulis var. crassicaulis A. S. Boughey 1968-4-16 231 Orange Santiago Canyon/Lower Modjeska Cyn, Fleming Property. Santa Ana Mountains Comment
  RSA0022435  Sanicula tuberosa R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49794 Orange Santa Ana Mountains: Trabuco Canyon Comment
  RSA696280  Sarcocornia perennis Keith E. Hoffmaster 1934-7-15 s.n. Orange Santa Ana Mts (Modjeska) Comment
  SD122678  Satureja chandleri Reid Moran 1979-5-9 27197 Orange Locally common on north slope, San Juan Canyon, Santa Ana Mountains (mak 10/07) 380 Comment
  SD136180  Satureja chandleri Kirsten Winter 1993-4-9 Orange Along San Juan and Chiquito trails and in Chiquito Springs area, southeast part of county 609 Comment
  RSA749467  Saxifraga californica Fred M. Roberts 1999-4-22 5187 Orange Lomas de Santiago: tributary to Santiago Creek wash along spur road on ridge between Limestone Cyn. and Santiago Creek wash opposite Williams Cyn., 1.8 km SE Silverado Sch. and 2.3 km NNW Bolero Lookout. 396 Comment
  RSA729934  Schefflera actinophylla A. C. Sanders, Mark Elvin 2006-12-22 33275 Orange South Coast: Irvine, UCI campus SW of intersection of Jamboree Blvd. and Campus Dr., just outside entrance to UCI Herbarium 15 Comment
  UCSB41776  Schinus molle Kula, Stanley 1964-12-20 Orange Carbon Canyon Rd. Comment
  CAS-BOT-BC243418  Schismus barbatus Ira L. Wiggins 1966-2-19 20458 Orange Hillside on W side of road, Carbon Canyon about 220 m. SW of Orange County Survey bench mark RCE 7872 Comment
  RSA0013909  Schismus barbatus Fred M. Roberts 2012-4-24 7524 Orange San Joaquin Hills: Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  POM202157  Schoenoplectus americanus L. M. Booth 1932-5-24 1103 Orange Marsh of salt marsh, Newport Lagoon. Comment
  POM202159  Schoenoplectus americanus L. M. Booth 1932-5-30 1134 Orange Bog on south side of Newport Lagoon. Comment
  RSA731915  Schoenoplectus americanus Fred M. Roberts, Sandy Leatherman 2007-11-27 6664 Orange Anaheim: Santa Ana River, Santa Ana Canyon, just west of Horseshoe Bend on S side of E La Palma Ave., about 0.3km E Weir Cyn. Rd. bridge. 100 Comment
  UCR186688  Schoenoplectus americanus T. B. Salvato, Katie Kurtz, Mitch Provance 2006-10-15 1909 Orange South Coast, Irvine, San Diego Creek flood control channel, between Campus Drive and Michelson Drive 6 Comment
  UCR85726  Schoenoplectus californicus Scott D. White 1993-4-28 1290 Orange Pacific slope, Tustin Marine Corps Air Station, NW of Peters Canyon Channel, between Moffett Dr. & Warner Comment
  POM1400  Schoenoplectus maritimus Phillip A. Munz 1918-5-4 2226 Orange Laguna Canyon. Comment
  RSA233015  Schoenoplectus maritimus Christopher Davidson, Gerald L. Benny 1971-6-15 1554 Orange Carbon Canyon, 1 mile SW of Carbon Canyon mineral spring. Comment
  IRVC29697  Scirpus californicus Mark A. Elvin, Barry S. Nerhus 2006-11-4 5245 Orange Huntington Beach; 1.5 km SW of Wintersburg, SW of jct Slater and Goldenwest; Shipley Nature Center. Southern Coastal 1 Comment
  UC840666  Scirpus californicus P. A. Munz 1922-9-2 6351 Orange Laguna Canyon 45 Comment
  RSA542336  Scirpus microcarpus Fred M. Roberts 1988-5-13 3973 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon at spring, 2.5 kilometers NW Bolero Lookout. 428 Comment
  UCSB48201  Scirpus microcarpus Roberts, Fred 1981-6-26 Orange Santa Ana Mtns.; San Juan Canyon; 0.1 km. N Lower San Juan Picnic Ground 390 Comment
  UCSB47591  Scrophularia californica Roberts, Fred 1980-4-5 Orange Highway 74, San Juan Canyon, 0.4km sw Lower San Juan Picnic Ground, Santa Ana Mountains, 390 Comment
  UCSB52936  Scrophularia californica Roberts, Fred 1984-4-29 Orange Temple Hill above Laguna Cyn. 6,5km SE Signal Peak; 0,6km E BM 104 195 Comment
  POM4221  Scrophularia californica subsp. floribunda Philip A. Munz 1918-5-4 2199 Orange Laguna Canyon. Comment
  SEINET12347787  Scrophulariaceae S. A. Thompson, Rawlins, J. E. 1988-8-27 5262 Orange Cleveland National Forest, 3.8 mi E of San Juan Hot Springs on CA 74 370 Comment
  RSA445380  Scutellaria tuberosa Albert J. Perkins 1919-4-13 s.n. Orange Modjeska Ranch. Comment
  RSA631395  Selaginella bigelovii Valerie Sosa, LeRoy Gross 1999-6-7 476 Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  IRVC894  Senecio californicus C. Weir 1965-4-17 Orange Newport Beach; Balboa Island. Southern Coastal Comment
  JEPS88922  Senecio californicus Rimo Bacigalupi and P. C. Hutchison 1962-3-16 8236 Orange 2 mi n Doheny Beach State Park (just off Highway 101) Comment
  RSA588799  Senecio californicus Fred M. Roberts, D. Bontrager 1990-4-18 4561 Orange Rancho Mission Viejo: ridge between Christianitos and Gabino Canyons (Riverside Cement Lease Holdong), 5.5 km SE Playa Survey Marker. 152 Comment
  CAS-BOT-BC333067  Senecio flaccidus var. douglasii James R. Shevock 1976-10-28 5357 Orange Along FS road 3S04 about Bedford Peak, Santa Ana Mountains, Cleveland National Forest 1097 Comment
  IRVC16285  Senecio flaccidus var. douglasii Gordon A. Marsh, K. G. Marsh 1978-11-26 Orange Silverado Canyon, first south lateral canyon beyond forest service pipe gate, Santa Ana Mountains Comment
  RSA5429  Senecio flaccidus var. douglasii B. D. Stark 1933-1-3 s.n. Orange Rancho Santa Ana near pear orchard. 122 Comment
  RSA763058  Senecio flaccidus var. douglasii E. W. Lathrop 1973-6-27 7429 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  RSA702682  Senecio linearifolius Scott D. White, Michael Honer 2004-5-17 10401 Orange South Coast: City of Laguna Niguel. Ridges and open slopes directly north of the intersection of Crown Valley Parkway and Pacific Island Dr. 61 Comment
  UCR200664  Senecio linearifolius Daniel Sanchez-Mata 2006-7-1 s.n. Orange Laguna Niguel, Dana Point Highlands, Crown Valley Parkway at Pacific Island Drive 70 Comment
  UCR198400  Senecio linearifolius var. linearifolius Scott D. White 2003-7-7 9613 Orange Coastal Plain, Irvine, UC Irvine Campus. Directly west of T-intersection of Shady Canyon Creek with Bonita Canyon Dr. (= Culver Drive) 70 Comment
  CAS-BOT-BC364600  Senecio vulgaris Ira L. Wiggins 1966-2-25 20478 Orange Firestone Boy Scout Reservation E of Brea Comment
  UCSB48100  Senecio vulgaris Roberts, Fred 1981-4-11 Orange Highway 74, 5.2km E San Juan Capistrano, near San Juan Creek crossing 52 Comment
  RSA184082  Senecio vulgaris I. L. Wiggins 1966-2-18 20447 Orange 0.5 mile west of entrance to Rancho Santa Ana Comment
  UCR25956  Senna marilandica John C. Roos 1937-8-31 521 Orange San Juan Capistrano [beach] Comment
  UCR266664  Senna marilandica Fred M. Roberts, Sandra L. Leatherman 2008-9-3 7080 Orange YORBA LINDA: Santa Ana River Canyon, Santa Ana River, 0.6 km W Gypsum Cyn. bridge, south of La Palma Ave 113 Comment
  IRVC24099  Senna multiglandulosa Fred M. Roberts, R. L. Allen 1985-9-3 2201 Orange Lower San Juan Canyon, Hwy 74, c.a. 14.4km NE San Juan Capistrano by road, Casper's Regional Park 184 Comment
  RSA383927  Sequoia sempervirens Albert J. Perkins 1915-3-30 s.n. Orange [Timmon s Dooryard] N. Main St. Santa Ana Calif. Comment
  UCR188942  Sesbania punicea Robert DeRuff 2006-1 568 Orange Newport Beach, Upper Newport Bay, watercourse near end of 23rd Street on west side of the Bay 10 Comment
  IRVC29813  Sesuvium verrucosum Laura D. Lyons, Mark A. Elvin 2006-9-23 427 Orange San Joaquin Marsh Freshwater Marsh, UC Natural Reserve; SW edge, along San Diego Creek, N of University Drive, E Hwy 73. Southern Coastal 2 Comment
  UCR112115  Sesuvium verrucosum A. C. Sanders, D. Malueg, K. D. Jones 2000-4-19 23334 Orange Pacific Coast, Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St. 11 Comment
  SEINET3562515 Image available Setaria Janet Wingate 1994-4-2 s.n. Orange Garden Grove Boulevard and Beach Boulevard, Garden Grove. Comment
  RSA728655  Setaria adhaerens R. E. Riefner 2006-7-23 6 -310 Orange City of Santa Ana, 17th st. at 55 Hwy. 49 Comment
  CAS-BOT-BC243591  Setaria parviflora Ira L. Wiggins 1965-10-24 20294 Orange Orange grove on S side of Yorba Linda Blvd. 1/4 mi. E of State College Blvd., Fullerton Comment
  CAS-BOT-BC243593  Setaria parviflora Miss. H. D. Geis 1902-5-1 s.n. Orange Santa Ana Comment
  SD245216  Setaria parviflora R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49619 Orange Santa Ana Mountains: about 1 mile above San Juan Fire Station. Dry, rocky bluffs above San Juan Creek. Comment
  IRVC24151  Setaria verticillata Fred M. Roberts 1985-9-16 2243 Orange Peter's Creek Channel, 1.0km NNE Main St. bridge across from Alton Pkwy, Irvine 9 Comment
  RSA0028739  Setaria verticilliformis R. E. Riefner Jr. 2004-12-12 4 -554 Orange City of Irvine, near Irvine Valley College, strawberry fields along Jeffrey Road near Irvine Center Drive. 37 Comment
  UC1013072  Sidalcea neomexicana C. L. Hitchcock 1952-5-30 19547 Orange about 11 mi e Long Beach (about 100 yards n of Katella Ave to w of Hanson St.); e of Long Beach Comment
  CAS-BOT-BC205740  Sidalcea neomexicana subsp. thurberi Carl B. Wolf 1936-4-22 7770 Orange East of Los Alamitos, at Northwest corner of Hansen Road & Bryant Ave. 15 Comment
  CAS-BOT-BC205742  Sidalcea neomexicana subsp. thurberi LeRoy Abrams 1903-4-17 3257 -a Orange Between Tustin and Myford Comment
  CAS-BOT-BC434368  Sidotheca trilobata P. C. Everett 1935-6-19 7224 Orange Santa Ana Mts., main divide motorway 1 5/10 mi. below summit of Santiago Peak, E. slope 1310 Comment
  CAS-BOT-BC384499  Silene antirrhina Helen D. Geis 1902-1-1 522 Orange Santiago Canon [Canyon] Comment
  RSA773513  Silene antirrhina Fred M. Roberts 1999-5-3 5203 Orange Lomas de Santiago: ridge between Limestone Canyon and Santiago Canyon Wash, 0.4 km SE Silverado School, and 3.9 km Bolero Lookout 351 Comment
  CAS-BOT-BC384500  Silene antirrhina Helen D. Geis 1902-3-1 s.n. Orange Santiago Creek Comment
  RSA683063  Silene gallica Fred M. Roberts 2003-3-19 5611 Orange Donna O Neill Land conservancy: Tributary W of Cristianitos Cyn., 1,625m NNW Sycamore Gate and 483m W Cristianitos Rd. 174 Comment
  RSA732119  Silene gallica A. C. Sanders, Fred M. Roberts 2008-4-8 34730 Orange Peninsular Range: Lomas de Santiago, Loma Ridge, head of Hicks Canyon. S of Santiago Reservoir. 351 Comment
  SEINET11944367  Silene gallica Unknown 1933-1 8188 Orange La Guna Beach Comment
  UCR168467  Silene laciniata D. E. Bramlet 2004-5-27 3595 Orange Donna O'Neill Reserve, SW corner of Reserve, 1.28 km west of Cristianitos Road and 1.52 km N of Pico 183 Comment
  RSA699745  Silene laciniata subsp. major Fred M. Roberts, David E. Bramlet 2003-5-15 5874 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 1.41km SSW Gato Gate and 0.35km NNW of SDG&E substation. 122 Comment
  RSA584714  Silene laciniata subsp. major Fred M. Roberts 1989-5-18 4372 Orange Santa Ana Mountains: Upper Gypsum canyon, above ridge road, ca. 6.4 km WSW Sierra Peak. 415 Comment
  UC1178641  Silene lemmonii Peter Kamb 1948-6-19 1113 Orange se slope of Santiago Peak Santa Ana Mts., se slope of Santiago Peak (Santa Ana Mts., Orange-Riverside Counties) 1219 Comment
  SEINET7882519 Image available Silybum marianum Jean Coulson 1959-1 s.n. Orange Santa Anna Mts.; 2.1 mi. E. on Esperanz Road from Orangethorpe. On S. side of road. Comment
  RSA16981  Sinapis arvensis Percy C. Everett 1936-3-20 s.n. Orange Rancho Santa Ana Botanic Garden, Santa Ana Canyon. West of Adm. Bldg. 198 Comment
  UC1929781  Sinapis arvensis Scott D. White, Amanda Duchardt 2003-3-27 8849 Orange SANTA ANA MOUNTAIN FOOTHILLS: Canyon bottom and west facing slopes above Canada Gobernadora. Comment
  IRVC1181  Sisymbrium irio B. Mawdsley 1965-4-5 Orange between Laguna Beach and San Clemente. Pacific Coast Hwy Comment
  RSA654311  Sisymbrium orientale Caralisa Breidenbaugh, Mark Breidenbaugh 1992-5-24 41 Orange 100 ft Northwest of Chino Hills State Park Boundary. 243 Comment
  IRVC26967  Sisyrinchium bellum Peter A. Bowler 2003-4-20 s.n. Orange UC San Joaquin Freshwater Marsh Reserve; bluffs along NW edge of marsh. Southern Coastal 9 Comment
  RSA7579  Sisyrinchium bellum E. R. Johnson 1933-11 2031 Orange Rancho Santa Ana. Comment
  UCR159774  Sisyrinchium bellum Peter A. Bowler 2003-4-20 s.n. Orange Southern Coastal, UC San Joaquin Freshwater Marsh Reserve; bluffs along NW edge of marsh Comment
  SEINET237157  Solanum americanum Scott D. White, Brain Leatherman 1997-6-12 5309 Orange Santa Ana Mtn. foothills. East of San Juan Capistrano: San Juan Creek between Highway 74 bridge and Mission Vieja site 250 Comment
  CDA41598  Solanum douglasii P. Akers 2006-3-25 7 06 a Orange Yorba Linda. Santa Ana River, S. of La Palma Dr., 0.6-0.9 mi. E of Yorba Linda Dr. 121 Comment
  RSA747697  Solanum douglasii Fred M. Roberts 2008-4-16 6915 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 71 Comment
  SD143700  Solanum douglasii Scott D. White 1997-3-28 4828 Orange Above Modjeska Canyon: proposed water tank site 427 Comment
  UCR207564  Solanum douglasii O. F. Clarke 2004-3-22 s.n. Orange Santa Ana River Canyon, Santa Ana River on the west side of Featherly Park 110 Comment
  RSA5969  Solanum douglasii Carl B. Wolf 1932-9-13 4042 Orange Bryant Ranch, No. boundary between San Gabriel River Flood Control Dike and Well, 1300 ft W of NE. corner of SE 1/4 sect. 25. 6 Comment
  RSA12658  Solanum elaeagnifolium Carl B. Wolf 1934-7-13 6038 Orange Santa Fe. R.R. embankment, 0.5 mi. west of ATwood. 91 Comment
  POM311835  Solanum lanceolatum Karen Hosterman 1957-1-19 825 Orange Laguna Beach City, near cultivated area. 11 Comment
  UCSB56515  Solanum lanceolatum Marsh, G.; Marsh, K. 1976-4-8 Orange Tustin, First Street Comment
  CDA18785  Solanum mauritianum Anna C. Helm 2000-5-1 PDR 1223083 Orange E. Mayfair Ave., Orange. 0 Comment
  CAS-BOT-BC156711  Solanum umbelliferum C. B. Wolf 1931-3-6 1850 Orange 1/2 [milea] miles below Trabuco Camp Ground, Trabuco Canyon, west slope of the Santa Ana Mts. 609 Comment
  RSA731988  Solanum umbelliferum A. C. Sanders, Fred M. Roberts 2008-4-8 34780 Orange Peninsular Range: Lomas de Santiago, SSE os f Santiago Reservoir on Harding Truck Trail at Dripping Springs Loop, above Limestone Canyon. 475 Comment
  RSA80386  Solanum umbelliferum F. W. Peirson 1925-4-10 5737 Orange In Silverado Canyon. 610 Comment
  CHSC13479  Solanum xanti T. N. Casale 1974-4-11 4 Orange At base of road shoulder, ca. 5.1 mi ne of the Mission San Juan Capistrano on Hwy 74. 176 Comment
  NY820525  Solanum xanti F. M. Reed 1928-2-10 5712 Orange Arch Beach 46 Comment
  RSA0045318  Solanum xanti Pomeroy 1929-2-10 72 Orange Silverado Canyon. PR8. Comment
  SEINET12274872  Solanum xanti J. F. Bright, Wyman, C. 1933-1 8094 Orange in Santa Ana foothills Comment
  UCSB41816  Solanum xanti Rowlands, Peter 1970-2-7 Orange Modjeska Cyn.; 1 mi.up oyn. from Tucker Wildlife Sanctuary on property of Norman FIemming 487 Comment
  UCR232931  Soleirolia soleirolii R. E. Riefner Jr. 2011-7-1 11- 84 Orange South Coast, city of Newport Beach, beach area west of the end of Cameo Shores Road, south c. 1.5 mi from Poppy Avenue 2 Comment
  RSA7652  Solidago californica E. R. Johnson 1933-9-25 5524 Orange Muddy Springs near Roundtop, Santa Ana Rancho 366 Comment
  UCR194991  Solidago californica A. C. Sanders, Fred M. Roberts 2008-8-7 35998 Orange Peninsular Range; Santa Ana Mtns., middle section of Weir Canyon, 1.15 mi. (air) SSE of Walnut Canyon Reservoir 225 Comment
  RSA0055824  Solidago californica Doris Bowers 1970-10-26 1709 Orange Black Star Can. Indian site 610 Comment
  RSA0127412  Sonchus asper Fred M. Roberts 2016-3-17 8007 Orange San Joaquin Hills: City of Irvine, Bommer Canyon, east fork, 0.3 km ESE Cattle Camp near East Fork Trail. 152 Comment
  CAS-BOT-BC374660  Sonchus oleraceus Ira L. Wiggins 1965-11-3 20314 Orange Orange grove just east of California State College campus, Fullerton Comment
  IRVC921  Sonchus oleraceus J. Schram 1965-5-3 Orange Corona del Mar, 564 Seaward Rd. Newport Beach Comment
  POM202167  Sonchus oleraceus L. M. Booth 1932-6-15 1193 Orange Marsh border East of Huntington Beach. Comment
  RSA184147  Sonchus oleraceus I. L. Wiggins 1966-5-25 20668 Orange Parkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton. Comment
  RSA234497  Sonchus oleraceus James Henrickson 1970-7-24 4954 Orange 1.5 miles NW of Huntington Beach, along border of Bolsa Chica Salt Marsh at SW end of Huntington Beach Mesa. 8 Comment
  UCR192477  Sonchus oleraceus A. C. Sanders, Fred M. Roberts 2008-3-25 34545 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  CAS-BOT-BC374662  Sonchus oleraceus Ira L. Wiggins 1965-11-6 20334 Orange West side of Atwood Comment
  RSA647892  Sonchus oleraceus Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 30 Orange 1000 ft. northwest of Chino Hills State Park Boundary. 243 Comment
  UCR197681  Sorghum bicolor A. C. Sanders, Fred M. Roberts 2008-9-18 36066 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  CAS-BOT-BC235341  Sorghum halepense Helen D. Geis 1902-1-1 557 Orange Unspecified Comment
  CAS-BOT-BC235343  Sorghum halepense Le Roy Abrams 1901-6-12 1765 Orange Santa Ana Comment
  IRVC23156  Sorghum halepense Fred M. Roberts 1985-7-11 2016 Orange San Joaquin Hills: Laguna Canyon, Laguna Canyon Road near Laguna Lakes, 5.0km ENE Signal Peak. southern coastal 112 Comment
  UC729939  Sorghum halepense Carl B. Wolf 1932-6-13 3724 Orange Malvern & Nicholas Aves. Fullerton 53 Comment
  RSA697702  Sorghum halepense C. H. Mueller 1932-6-2 s.n. Orange 200 blk. S. Lemon St. Comment
  RSA582098  Spartina foliosa Joseph A. Ewan 1932-7-28 7709 Orange East end of Newport Bay Comment
  UCR240099  Spartina foliosa Dick Newell 2012-9-29 297 Orange South Coast, Newport Beach, Back Bay Drive at Big Canyon parking area 2 Comment
  SEINET10602937  Spartina foliosa James S. Henrickson 1970-7-24 Henrickson 5024 Orange 2 1/2miles NW of Huntington Beach along south channel of Inner Bolsa Bay, adjacent to Pacific Coast Hy. in Bolsa Chica Salt Marsh; locally abundant & forming pure stand in stagnant shallow salt water channel margin; to 3ft. high. sea level Comment
  SEINET10630772  Spartium junceum Greg Gust, Leith Nye 2005-3-12 Gust 565 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  RSA696548  Spergula arvensis Minor Warne 1934-03 s.n. Orange Laguna Canyon Forks Comment
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Jun 24 2009
  SDSU4485  Spergula arvensis subsp. arvensis R. M. Beauchamp 1968-2-17 773 Orange 2 miles north of El Toro Road intersection. Comment
  SD185179  Spergularia B. G. Pitzer 1996-4-30 2791 Orange Crystal Cove State Park. 14 Comment
  UCR163307  Spergularia B. G. Pitzer 1996-4-30 2791 Orange San Joaquin Hills, Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy) 15 Comment
  UCR181661  Spergularia B. G. Pitzer 1996-4-30 2784 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  RSA0097842  Spergularia macrotheca L. R. Abrams 1903-4-17 3258 Orange Between Tustin and Myford. Comment
  UCR180302  Spergularia marina Scott D. White 1998-6-26 6780 Orange Irvine, University of California, Irvine campus: low-lying seasonal wetland along mapped intermittent 'blueline' stream just north of Bonita Canyon Drive 70 Comment
  RSA47078  Spergularia rubra Albert J. Perkins 1926-4-27 14728 Orange SAnta Ana, Mr. Perknis yard Comment
  RSA0098541  Spergularia salina J. T. Howell 1927-6-30 236 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA0098711  Spergularia villosa Fred M. Roberts, Laura Cohen 2000-3-24 5266 Orange Rancho Mission Viejo Land Conservancy: Tributary to Christanitos Cyn., Flagpole Meadow, upper Shady Canyon Trail, about 1.6 km NW Sycamore Gate. 170 Comment
  UCR186146  Sphaeralcea emoryi var. emoryi Robert DeRuff 1994-4-24 452 Orange Southern Coast, Newport Beach, Newport Back Bay, at top and bottom of a draw between 23rd St. and the Delhi Channel 5 Comment
  RSA769613  Stachys E. W. Lathrop 1974-6-27 7410 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  JEPS62963  Stachys ajugoides Alice King May, 1908 Orange near Tustin Comment
  UCLA70972  Stachys ajugoides var. rigida C. Epling, H. Lewis Jun 1940 Orange near Summit (Ortega Road); Santa Ana Comment
  RSA681  Stachys rigida subsp. rigida J. T. Howell 1927-7-3 261 Orange Claymine Canyon near Sierra Peak. 305 Comment
  RSA797911  Stachys rigida subsp. rigida Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49821 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  UCR247897  Stachys rigida var. rigida Fred M. Roberts 2013-6-12 7797 Orange Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing. 320 Comment
  UCR247899  Stachys rigida var. rigida Fred M. Roberts 2013-6-12 7795 Orange Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing. 320 Comment
  SEINET9364763  Stachys stebbinsii A. Sanders, Balk, Michelle 2006-7-20 33018 Orange Peninsular Range; Santa Ana Mtns.: San Juan Canyon, from Lower San Juan Picnic Area to ca. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line (Sitton Peak 7.5' topo.) Canyon bottom; moist rocky sand and flowing water; oak riparian forest with Quercus agrif., Platanus rac., Salix laev., S. las., Baccharis salic., Rubus ur., Vitis gird., Artemisia doug., etc. Comment
  RSA0106593  Stebbinsoseris heterocarpa Scott D. White 1998-3-18 6213 Orange UCI Campus: Site of proposed Research Park, Southwest of main campus circle, ca. halfway between Berkley Ave. and new Freeway (Bonita Cyn.). Plains dissected by a series of gullies. 37 Comment
  UCSB52928  Stebbinsoseris heterocarpa Roberts, Fred; Marsh, G. 1983-3-30 Orange UC Irvine Ecological Preserve, 1.6 km. SSW UCI campus center 87 Comment
  SD247598  Stebbinsoseris heterocarpa R. F. Thorne, C. W Tilforth, E. W. Lathrop 1977-4-27 49654 Orange Northeern Santa Ana Mountains: Coal Canyon (NW of Sierra Peak). Comment
  UCR191016  Stellaria media A. C. Sanders, Fred M. Roberts 2008-4-22 35033 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  RSA696565  Stellaria media Marjorie Smith s.n. Orange High School Campus. Comment
  UCD86398  Stenotaphrum secundatum A. C. Sanders 1990-10-6 10191 Orange Newport Bay, North Star County Beach area on the southwest end of the bay, ca. 2 km inland of Hwy. 1. 1 Comment
  UCR150569  Stenotaphrum secundatum Scott D. White, Matt Carlton 2003-11-20 9867 Orange South Coastal Plain, Santa Ana Mtn foothills. San Juan Creek in San Juan Capistrano 24 Comment
  UCR193852  Stephanomeria A. C. Sanders, Fred M. Roberts 2008-7-16 35827 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, along road in lower Limestone Canyon, near junction with Harding Truck Trail 290 Comment
  IRVC23252  Stephanomeria diegensis Fred M. Roberts 1982-7-30 787 Orange Niguel Hill, 0.9km ENE Aliso Peak, Laguna Niguel 260 Comment
  POM122552  Stephanomeria diegensis Marcus E. Jones 1924-8-26 s.n. Orange Newport. Comment
  RSA712943  Stephanomeria virgata subsp. virgata Fred M. Roberts, Robert L. Allen 2005-10-15 6308 Orange Upper Long Canyon along Main Divide Road, 3.1km E Los Pinos Peak and 0.3km N Old Dominion Mine. 981 Comment
  UC472148  Stephanomeria virgata subsp. virgata J. Ewan 1931-10-3 5229 Orange between Brea and Olinda Comment
  UCR192109  Stipa coronata A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35310 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along fire line/bulldozer cut, c. 1.5 mi. east of Walnut Cyn Reservoir 346 Comment
  SD144104  Stipa lepida Scott D. White 1997-3-28 4839 Orange Santa Ana Mts., above Modjeska Canyon, proposed water tank site 427 Comment
  RSA0045359  Stipa lepida Keith E. Hoffmaster 1935-4-14 126 Orange Live Oak can., Santa Ana Mts. Comment
  UCR37794  Stipa pulchra Steve Boyd 1981-5-13 s.n. Orange South Coast, Pelican Hill, Irvine Ranch Property, San Joaquin Hills south of Corona del Mar 218 Comment
  POM6313  Stuckenia pectinata L. T. Street, Williams