Search Results — 2000 specimen records retrieved (1612 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  IRVC28912  Abronia maritima R. E. Reifner 1994-5-22 94 380 Orange San Mateo Point; W of RR tracks, N of County line marker. Southern Coastal 6 Comment
  SD181444  Abronia maritima Valerie Sosa, Kevin Clark, LeRoy Gross, et al. 2001-4-4 1116 Orange Anaheim Bay: Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge 3 Comment
  UC1719496  Abronia maritima D. Atwood 1993-3-28 17715 Orange Bolsa Chica Ecological Reserve, Californis Dept. of fish and Game 0 Comment
  RSA0025912  Abronia umbellata Minor Warne 1934-04 s.n. Orange Near Bolsa. [County not listed but probably Orange] Comment
  SDSU8415  Abronia umbellata subsp. umbellata R. M. Beauchamp 1967-3-19 319 Orange Growing in sandy area south of the west end of the airstrip at Sherman Field. Comment
Read comments
May 21 2013
  JEPS61233  Abronia villosa L. M. Booth 1932-7-25 1308 Orange Coastal Santa Ana River Comment
  UC1930976  Abutilon palmeri R. E. Riefner Jr. 2006-9-5 06 -418 Orange Southern Coast: Corona del Mar, Ocean Blvd. near Iris Ave. Comment
  RSA0023451  Acacia Scott D. White 1998-4-9 6267 Orange University of Calif. Irvine Campus; Drainage channel west of Medical Center, west of main campus circle. 15 Comment
  RSA0065574  Acacia decurrens var. dealbata Louis R. Klins 1949-2-12 s.n. Orange 1928 W. 17th Street, Santa Ana. 60 Comment
  RSA0028022  Acacia longifolia Fred M. Roberts 2012-9-6 7695 Orange San Joaquin Hills: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 kilometers WNW Pelican Hill summit. 37 Comment
  CAS-BOT-BC333256  Acer macrophyllum P. A. Munz; R. D. Harwood 1920-4-23 3730 Orange Santa Ana Mts., Silverado Canon 548 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
  RSA0013961  Achillea millefolium Fred M. Roberts 2008-5-14 6969 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Cyn. below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 377 Comment
  RSA631402  Achnatherum coronatum Valerie L. Soza, LeRoy Gross 1999-6-7 491 Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  RSA639162  Achnatherum coronatum Valerie L. Soza, LeRoy Gross 1999-6-8 502 Orange Santa Ana Mountains: Santiago and Modjeska Canyons, above Tucker Wildlife Sanctuary, above the town of Modjeska 518 Comment
  RSA0028970  Achnatherum coronatum Keith E. Hoffmaster 1935-4-14 603 Orange Live Oak can. Comment
  SEINET5327559  Acmispon glaber var. glaber I. W. Clokey 1932-3-1 5329 Orange Laguna Beach; slopes facing ocean Comment
  RSA788092  Acourtia microcephala R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49626 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station Comment
  SEINET8077122 Image available 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
  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
  CAS-BOT-BC308928  Acroptilon repens Scott D. White 1997-3-26 4818 Orange University of California Irvine Campus, site of proposed student recreation center, east of main campus. Existing Farm School between California Avenue and Culver Drive 30 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
  RSA790698  Adenostoma fasciculatum Jeanne Paxton 1934-4-21 5 Orange Modjeska Canyon. PR8. Comment
  RSA12898  Adenostoma fasciculatum var. fasciculatum E. R. Johnson, Percy C. Everett 1935-1-14 6288 Orange Open firebreak on slopes of Sierra Peak, along road to Claymine Canyon 610 Comment
  RSA416424  Agoseris retrorsa Christopher Davidson 1977-5-18 5611 Orange Cleveland National Forest; Santiago Peak (on Orange-Riverside Co. line) 1706 Comment
  RSA708526  Agoseris retrorsa Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6238 Orange Modjeska Peak, north slope along summit road, c.a. 50 meters NNW, by air, summit. 1643 Comment
  RSA542555  Agrostis pallens Karlin G. Marsh 1989-6-23 s.n. Orange Santa Ana Mountains: Central Santiago Canyon, northeast portion of Fleming Park along Harding Truck Trail. 585 Comment
  UCR193834  Agrostis pallens A. C. Sanders, Fred M. Roberts 2008-7-16 35851 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon 325 Comment
  UCR215278  Agrostis pallens Fred M. Roberts 2008-5-14 6968 Orange Lomas de Santiago, Loma Ridge, upper Bee Flat Canyon below Loma Ridge Road, 1.3 km north of Bee Peak and 5.4 km NW of Bolero Lookout. Irvine Ranch Conservancy 377 Comment
  CDA1695  Agrostis viridis M. K. Bellue, Johnson 1945-5-3 Orange 0 Comment
  RSA725525  Ailanthus altissima Fred M. Roberts, Robert L. Allen 2007-9-28 6599 Orange Foothill Trabuco area: Upper Aliso Creek at SE corner of El Toro Road and Valle Vista Way, c.a. 1.8 km NE Upper Oso Reservoir. 308 Comment
  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
  RSA759146  Ailanthus altissima Robert Allen, D. Taylor 2008-7-19 s.n. Orange Eastern arm of Bedford Peak, along North Main Divide Road, 2.2 road miles N of junction with Bedford Road, 5.9 miles N of junction with Maple Springs Road. 1155 Comment
  RSA588772  Alchemilla occidentalis Fred M. Roberts, Carol A. Roberts, D. E. Bramlet 1990-5-6 4592 Orange Santa Ana Mnts.: Chiquito Basin, San Juan Trail, c.a. 2.5 km SSE Los Pinos Peak. 915 Comment
  UC455141  Alisma plantago-aquatica I. J. Condit 1908-7-21 Orange Los Alamitos Comment
Read comments
Nov 20 2010
  UCR215292  Allium haematochiton Fred M. Roberts, D. E. Bramlet 2008-5-13 6952 Orange Santa Ana Mountains, upper Weir Canyon, central fork, 3.5 km NE of Robbers Peak 369 Comment
  UCSB52871  Allium haematochiton Roberts, Fred; Marsh, G. 1983-3-30 Orange UC Irvine Ecological Preserve, 0.8 km. SSW UCI campus center 60 Comment
  RSA79414  Allium haematochiton E. K. Balls 1952-5-22 17248 Orange 2 mi. S. of Sierra Peak 610 Comment
  UCSB57138  Allium haematochiton Marsh, G.; Marsh, K. 1978-5-13 Orange Santa Ana Mts; Coal Canyon; Ridge along Main Divide Road, S portion of acreage 731 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
  JEPS56379  Allium praecox Alice King March 1908 Orange near Orange County Park Comment
  RSA450852  Allium praecox Gordon Marsh 1978-3-17 s.n. Orange U.C. Irvine Ecological Preserve. 85 Comment
  RSA0058055  Allophyllum glutinosum Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49604 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. 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
  IRVC26735  Aloe Mark A. Elvin, J. Liou, J. Carpenter, J. Nguyen 2004-3-8 3156 Orange UCI Arboretum Southern Coastal 15 Comment
  RSA655019  Alopecurus saccatus D. E. Bramlet 1998-5-17 2618 Orange Fairview Park, City of Costa Mesa. The site is located some 366m N of the intersection of Wilson and Canyon Dr. and 152 m W of the Canyon School, on a mesa overlooking the Santa Ana River., 37 24 760m. N X 4 12 810m E. 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
  RSA402963  Amaranthus albus Albert J. Perkins 1912-10-15 s.n. Orange Peatlands near head Newport Bay. Comment
  RSA77264  Amaranthus albus Emily Lombard 1952-8-11 s.n. Orange In orange grove, Irvine. Comment
  UC537268  Amaranthus blitoides Lawrence M. Booth 1932-7-25 1309 Orange Santa Ana River, 0.5 mi from ocean Santa Ana River Comment
  UC537281  Amaranthus blitoides L. M. Booth 1932-12-16 1377 Orange Santa Ana River, near coast Santa Ana River Comment
  UCSB52950  Amaranthus blitoides Roberts, Fred 1983-9-26 Orange Santa Ana Mtns.; Lion Canyon, Chiquito Basin Trail, 3.6 km. NNE Lower San Juan Picnic Ground; 4.0 km SSE Los Pinos Peak 820 Comment
  RSA573430  Amaranthus blitoides Steve Boyd, Timothy S. Ross 1994-9-14 8345 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon trail at stream crossing in Aliso Canyon. 341 Comment
  RSA724072  Amaranthus blitum subsp. emarginatus R. E. Riefner 2006-9-30 6 -458 Orange City of Irvine, San Diego Creek at Alton Pkwy. 45 Comment
  IRVC17986  Amblyopappus pusillus A. B. McGee 1980-9-9 Orange San Diego Creek Channel, adjacent to San Joaquin Freshwater Marsh. Irvine Comment
  IRVC22955  Amblyopappus pusillus Karlin G. Marsh 1986-10-18 Orange Santa Ana Canyon, Featherly Park; in sandy wash. Yorba Linda Comment
  IRVC8603  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
  SEINET2028644 Image available Amblyopappus pusillus Lawrence M. Booth 1932-5-12 1007 Orange Newport Bay Comment
  UC536894  Amblyopappus pusillus Lawrence M. Booth 1932-5-12 1007 Orange Newport Bay Comment
  RSA680320  Ambrosia acanthicarpa Scott D. White, Jeff Lincer 2003-7-7 9617 Orange Former El Toro Marine Corps Air Stn. East of 'El Toro Marine Sch.' and Irvine Blvd.; site of former dump. 140 Comment
  POM202166  Ambrosia chamissonis L. M. Booth 1932-5-25 1110 Orange Balboa Island [Newport Bay]. Comment
  RSA643442  Ambrosia chamissonis R. D. Goeden, D. W. Ricker 1970-2-19 s.n. Orange Pacific Coast: Newport Beach, NW edge of town between Seashore Dr., Neptune Ave.. 56th and 58th Streets., 33deg. 37.2'N, 117deg. 57'W 2 Comment
  SBBG61136  Ambrosia chamissonis M. N. Ackley -Sep-1928 245 Orange Sunset Beach 8 Comment
  SD39993  Ambrosia chamissonis Edith A. Purer 1932-8-31 4879 Orange Open areas of sand dunes along Route 101 Comment
  UCR17120  Ambrosia chamissonis Steve Kulju 1974-5-27 s.n. Orange South Coast, Sunset Bay, 1 mile SE of the city of Seal Beach on State Hwy 1 5 Comment
  CAS-BOT-BC133200  Ambrosia psilostachya T. B. Salvato 2010-9-27 5121 Orange South Coast: Dana Point Headlands, Harbor Point Park, south of Scenic Dr. and Cove Rd., beyond the end of Green Lantern St., overlooking Dana Point Harbor 70 Comment
  CAS-BOT-BC45063  Ambrosia psilostachya Ira L. Wiggins 1965-10-18 20272 Orange Vacant lot, NE corner of Chapman Ave. and Victor Dr., Fullerton 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
  IRVC26148  Ambrosia psilostachya S. D. White 1992-9-29 846 Orange Vicinity of City of Brea, immediately N of Carbon Canyon Road and E of Placentia Avenue, ± 1 mi (airline) S/SE of Tonner Canyon. southern coastal 183 Comment
  JEPS41031  Ambrosia psilostachya L. M. Booth 1932-8-5 1355 Orange Bolsa Creek Comment
  RSA0031761  Ambrosia psilostachya R. F. Thorne 1977-11-21 50813 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  POM48524  Ammannia robusta F. M. Reed 1924-8-15 4962 Orange Laguna Lake bed - Laguna canyon. Comment
  CDA19010  Ammannia robusta B. Tidwell 2000-8-3 PDR 1223096 Orange Southern California; Douglass Rd., Anaheim. 0 Comment
  RSA797669  Amorpha californica Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49773 Orange Santa Ana Mountains: Trabuco Canyon Comment
  UCR193782  Amorpha californica A. C. Sanders, Fred M. Roberts 2008-7-3 35680 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation Corridor 415 Comment
  RSA16473  Amorpha californica var. californica Percy C. Everett 1935-6-19 7235 Orange Trabuco canyon. 1/2 mile below W. head of canyon. 1067 Comment
  UCR240112  Amorpha fruticosa Dick Newell, Don Millar 2012-5-22 260 Orange Peninsular Range; Santa Ana Mtns., mouth of Fremont Canyon, 0.4 mi. NE of Irvine Dam spillway 207 Comment
  CHSC10141  Amsinckia intermedia J. W. Johnson 1961-3-16 Orange Newport Beach. On north slope overlooking Upper Newport Bay. Comment
  RSA680914  Amsinckia intermedia Scott D. White 2003-3-21 8812 Orange Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 122 Comment
  SBBG40481  Amsinckia intermedia J. Ingram 1960-3-29 257 Orange 3 mi above O'Neill Park, Trabuco Cyn Comment
  UC1061778  Amsinckia intermedia A. Lewis Mar 1934 349 Orange San Juan Hills; Corona Quad., San Juan Hills 396 Comment
  RSA0089444  Amsinckia intermedia P. A. Munz 1934-3-26 13132 Orange Newport Beach. 15 Comment
  IRVC22198  Amsinckia menziesii var. intermedia Fred M. Roberts 1985-4-8 1636 Orange San Joaquin Hills, Turtle Rock area, hill 1.1km SE French Hill, Irvine 196 Comment
  IRVC25567  Amsinckia menziesii var. intermedia Fred M. Roberts 1989-3-17 4202 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  IRVC22644  Amsinckia menziesii var. intermedia B. Jaroslow 1986-3-26 2 Orange Bell Canyon, 2.1km NW Visitor Center, Casper's Regional Park 130 Comment
  HSC17835  Anagallis arvensis J. W. Johnson 1961-3-29 Orange Newport Beach, on S side of upper Newport Bay Comment
  RSA688982  Anagallis arvensis Fred M. Roberts, D. E. Bramlet 2003-4-10 5640 Orange Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate. 216 Comment
  SBBG47539  Anagallis arvensis M. B. Dunkle 1933-4-9 3273 Orange Dana Point Comment
  UCR96890  Anagallis arvensis Scott D. White 1993-4-28 1288 Orange Pacific slope, Tustin Marine Corps Air Station, NW of Peters Canyon Channel, between Moffett Dr. & Warner Comment
  RSA465158  Anagallis arvensis N. C. Cooper 1944-6-4 1353 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA678725  Andropogon glomeratus Fred M. Roberts, Carol A. Roberts, Robert Allen 2001-8-4 5518 Orange Santa Ana Mountains: San Juan Canyon at confluence with Viejo Cyn., on San Juan Creek below Calif. Rte. 74, 4.0km WnW Sitton Peak., (33 35' 41 N, 117 29' 14 W; T6S,R6W,SE/4 SE/4 Sect. 34) 287 Comment
  CAS-BOT-BC400331  Anemopsis californica Carl B. Wolf 1932-7-2 3818 Orange Carbon Canyon, 1/8 mi. below La Vida Springs 213 Comment
  CAS-BOT-BC400332  Anemopsis californica E. Frost 1996-5-11 12 Orange Newport Back Bay, 150 yards in along bike path 7 Comment
  RSA232211  Anemopsis californica James Henrickson 1970-7-24 4995 Orange 2 miles NNW or Huntington Beach around small freshwater industrial pond at eastern margin of Bolsa Chica Salt Marsh along Huntington Beach Mesa. 0 Comment
  JEPS13328  Anthemis cotula L. M. Booth 1932-5-15 1200 Orange Coastal Santa Ana Basin Comment
  UC536891  Anthemis cotula Lawrence M. Booth 1932-5-15 1200 Orange Santa Ana River Santa Ana River Comment
Read comments
Aug 21 2007
  SEINET3078495 Image available Antirrhinum coulterianum Jim Heurne, Geoffrey Matthews, Robin Mastche 1951-5-15 s.n. Orange 3 miles north of Morrill Valley on Hwy 74. Comment
  POM354854  Antirrhinum coulterianum H. L. Bauer 1929-5-10 s.n. Orange Santa Ana Canyon Comment
  JEPS83381  Antirrhinum nuttallianum subsp. subsessile David M. Thompson 1983-5-11 303 Orange 0.7 mi w Dana Point, Del Obispo St intersection w/ Golden Lantern St (above roofed picnic area on steep slope below high sea cliff (condominium on top), across road from parking lot this is directly on the water); Dana Point, Dana Point Quad. (7.5', 1968) 7 Comment
  POM354910  Antirrhinum nuttallianum subsp. subsessile Louis C. Wheeler 1932-6-25 854 Orange Newport Bay. 3 Comment
  POM354883  Antirrhinum nuttallianum subsp. subsessile Thekla Mohr 1917-04 s.n. Orange Laguna. Comment
Read comments
Nov 25 2014
  POM219101  Aphanisma blitoides F. M. Reed 1932-3-8 7246 Orange Arch Beach Comment
  UCR177863  Aphanisma blitoides Eliza L. Maher 2006-5-2 s.n. Orange South Coast, Dana Point Headlands, CNLM preserve 46 Comment
  RSA518  Apiastrum angustifolium J. T. Howell 1927-6-17 150 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  CDA25635  Apium graveolens A. C. Sanders, Fred M. Roberts 2008-6-17 35469 Orange Peninsular Range; Santa Ana Mountains.; Lomas de Santiago, Agustine staging area near Limestone Canyon Road gate at Santiago Canyon Road. Comment
  IRVC19395  Araujia sericifera R. L. Allen 1983-2-12 A627 Orange Fullerton; Hillcrest Park, slope bordering E Valley View Drive. Southern Coastal Comment
  HSC25234  Arctostaphylos glandulosa Richard Spjut 1972-2-22 2230 Orange Santa Ana Mtns. along Hwy. 74. Cleveland Natl. Forest 762 Comment
  RSA629336  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15521 Orange North of El Cariso on road to Los Pinos Pk, 3.8 km north of Hwy 74. 1000 Comment
  IRVC1252  Arctostaphylos glandulosa subsp. glandulosa A. S. Boughey 1965-3-16 69 Orange Silverado Canyon. Santa Ana Mountains Comment
  OBI30165  Arctostaphylos glandulosa subsp. glandulosa John Hanger 1971-3-29 3 Tu Orange 8 mi out Harding Canyon road from Tucker Wildlife Sanct. 1402 Comment
  POM254950  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-6-13 s.n. Orange Bear Springs, Santa Ana Mts. Comment
  POM367266  Arctostaphylos glandulosa subsp. glandulosa E. Crow 1929-2-22 165 Orange Gypsum Canyon, near corona, Santa Ana Mts. Comment
  SD247631  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49708 Orange Northern Santa Ana Mountains; Sierra Peak. 900 Comment
  RSA5358  Arctostaphylos glandulosa subsp. zacaensis C. B. Wolf, B. D. Stark 1932-12-19 4438 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive 762 Comment
  UC1120327  Arctostaphylos glandulosa subsp. zacaensis H. A. Jensen 1937-11-4 442 Orange head of Trabuco Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UC1137195  Arctostaphylos glandulosa subsp. zacaensis Willis E. Pequegnat 1940-6-12 Orange Main Divide Rd e Los Pinos Peak; Cleveland National Forest, Elsinore Quadrangle, Santa Ana Mt 1371 Comment
  RSA544  Arctostaphylos glauca var. glauca J. T. Howell 1927-6-26 223 Orange Claymine Canyon, near Sierra Peak. 457 Comment
  UCR215293  Argemone munita Fred M. Roberts 2008-5-20 6992 Orange Lomas de Santiago, Santiago Creek wash north of Hangman Tree Road near confluence of Pancho Canyon, 1.6 km NW of Bolero Lookout. Irvine Ranch Conservancy. 349 Comment
  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
  RSA542373  Aristida adscensionis Fred M. Roberts, T. Sholars, B. Stechmeyer s.n. Orange Santa Ana Mountains: Hot Sprinngs Canyon. 1.3 kilometers N Highway 74 by road, 0.7 kilometers NW Juan Rancho Survey Mark., UTM 3717900m N, 452700m E 274 Comment
Read comments
Jul 12 2013
  RSA749350  Aristida purpurea Fred M. Roberts 2008-4-22 6923 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn.,along Haul Rd. near asphalt plant, 2.2 km ENE Rattlesnake Reservoir dam and 2.2 km WNW Bee Peak, Irvine Ranch Conservancy. 188 Comment
  RSA550605  Aristida purpurea var. parishii Fred M. Roberts 1989-4-26 4314 Orange Santa Ana Mountains: ridge north of Santiago Canyon, west of Blind Canyon 9.5 kilometers SW Sierra Pead, ca. 1.7 kilometers NW Irvine Lake spillway., UTM Z11 37 39 900m N, 4 31 900mE 247 Comment
  RSA0013969  Aristida ternipes var. hamulosa Fred M. Roberts 2008-4-22 7167 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., along Haul Road near asphalt plant, 2.2km ENE Rattlesnake Reservoir dam and 2.2km WNW Bee Peak, Irvine Ranch Conservancy 188 Comment
  RSA542372  Aristida ternipes var. hamulosa Fred M. Roberts, K. Keane 1988-5-25 3989 Orange Rancho Mission Veijo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Marker., UTM 3710600m N, 443550m E. 91 Comment
  SD52987  Arnica discoidea Peter H. Raven 1962-5-18 17751 Orange 4.8 miles above Gate on Silverado Canyon Truck Trail, Santa Ana Mountains 1064 Comment
  JEPS36923  Artemisia biennis L. M. Booth 1932-7-4 1250 Orange Newport Bay Comment
  CAS-BOT-BC90186  Artemisia californica Marcus E. Jones 1930-3-3 26497 Orange Santa Ana Mountains Comment
  IRVC486  Artemisia californica A. Adams 1965-5-2 Orange Newport Beach, Corona del Mar, Little Corona Beach. Southern Coastal Comment
  UCR131888  Artemisia californica J. Mallory, V. McCoy 1995-6-30 6454- 63 Orange Santa Ana Mountains: S-facing slope on Windy Ridge, c. 2.5 mi. south of 91 fwy. Comment
  RSA746040  Artemisia californica Elizabeth H. Hook, Caroline Tran 2006-2-4 1 Orange Southern Coastal: San Joaquin Marsh; NW bluff edge 5 Comment
  SEINET3285075 Image available Artemisia douglasiana A. C. Sanders, Fred M. Roberts 2008-9-18 36075 Orange Peninsular Range; Santa Ana Mtns. Foothills; Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge. 320 Comment
  UCR186690  Artemisia douglasiana T. B. Salvato, Katie Kurtz, Mitch Provance 2006-10-15 1910 Orange South Coast, Irvine, San Diego Creek flood control channel, between Campus Drive and Michelson Drive 6 Comment
  UC520366  Artemisia dracunculus Louis C. Wheeler 1932-6-25 872 Orange inland arm Newport Bay 0 Comment
  UCR274150  Artemisia dracunculus Dick Newell, Don Millar 2016-5-24 427 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Merkel Spur Trail at Limestone Ridge Road, 0.13 mile south of Cactus Canyon Road 417 Comment
  CAS-BOT-BC90565  Artemisia dracunculus John Thomas Howell 1927-7-17 2787 Orange Western slope in San Joaquin Hills, two miles north-east of Laguna Beach 152 Comment
  RSA784185  Artemisia dracunculus J. D. Olmsted 1959-8-26 837 Orange Along road south of mouth of Black Star Canyon north of Rock Crushing plant 305 Comment
  HSC4510  Arthrocnemum subterminale J. W. Johnson 1961-3-30 Orange Newport Beach, seep along cliff base at N side of Big Canyon near upper Bay Rd. Comment
Read comments
Jul 17 2015
  RSA478870  Arthrocnemum subterminale F. R. Fosberg 1930-7-10 S 3187 Orange Anaheim Landing. [Los Angeles Co. on label] Comment
  UCR46568  Asclepias fascicularis B. G. Pitzer, D. C. Hawks 1986-10-21 0353 C Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, c. 10 mi east of Santa Ana, in hills N and east of South Coast Gun Club on Jeffrey Road in Hicks Canyon 183 Comment
  UCSB48222  Asclepias fascicularis Roberts, Fred 1981-6-22 Orange Calif. Rte. 74; 5.2 km. ENE San Juan Capistrano by road 100 Comment
  UCR130348  Asclepias physocarpa A. C. Sanders, Mark A. Elvin 2003-10-12 27328 Orange Southern Coastal Slope, Irvine, UCI Arboretum, UCI campus near intersection of Jamboree Blvd. and Campus Dr. 15 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
  CAS-BOT-BC65782  Aspidotis californica John Thomas Howell 1927-7-3 2639 Orange Claymine Canyon, n. Santa Ana Mts. 304 Comment
  RSA5  Aspidotis californica J. T. Howell 1927-7-3 257 Orange Claymine Canyon near Sierra Peak. 305 Comment
  POM9822  Aspidotis californica P. A. Munz, R. D. Harwood 1920-4-24 3743 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  IRVC177  Asplenium bulbiferum McGuire 1965-5-4 HS0564 Orange Corona del Mar: Bayside Dr.. Southern Coastal Comment
  POM146199  Aster bernardinus F. M. Reed 1927-11-9 5634 Orange Margin of Hwy, 1 mile S of Tustin. Comment
  RSA782  Aster subulatus var. ligulatus J. T. Howell 1927-10-29 775 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA699979  Astragalus Minor Warne 1934-03 s.n. Orange Gypsum canyon Comment
  RSA0014609  Astragalus brauntonii Justin M. Wood 2010-5-12 1686 Orange Santa Ana Canyon: Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corridor, west of Green River Golf Course of bluff south of the river. 122 Comment
  RSA699634  Astragalus didymocarpus Keith E. Hoffmaster 1935-3-17 s.n. Orange Near El Toro (Trabuco rd.) Comment
  SD254607  Astragalus didymocarpus D. E. Bramlet, J. E. Harrison 2008-4-3 4154 Orange Peninsular Range; Santa Ana Mountains; South Bee Canyon, Bowerman landfill site, 1.2 km south of the Bee Canyon access road and 122 m west of the active landfill. 224 Comment
  RSA749637  Astragalus didymocarpus var. didymocarpus D. E. Bramlet 2008-3-31 4135 Orange 282m East Upper Hicks Haul Rd, Trib. to Limestone Cyn. 1km S of Santiago Cyn Rd. 317 Comment
  SEINET892558  Astragalus leucophyllus Leslie Freeman 1963-1 128 Orange Diamond Bar Ranch in Brea Canyon. Santa Ana Mt. Range. Pacific drainage area. 304 Comment
  UCR12616  Astragalus trichopodus subsp. leucopsis R. G. Sullivan 1972-4-16 720416- 8 Orange Santa Ana River Channel, river bottom near Coal Canyon Road 122 Comment
  IRVC22732  Astragalus trichopodus var. lonchus Fred M. Roberts 1985-5-13 1789 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  UC1980252  Atriplex R. E. Riefner Jr. 2006-8-3 06 -383 Orange City of Irvine, MacArthur Blvd. ca. 0.2 mi S of Jamboree Rd. near Bonita Creek. Comment
  UCR203889  Atriplex R. E. Riefner Jr. 2006-10-2 06 466 Orange city of Lake Forest, north of Portola Parkway and immediately west of SR-241 fwy at avocado orchard, vicinity of Tomato Spring 206 Comment
  RSA737850  Atriplex R. E. Riefner 2006-10-2 06 -466 Orange City of Lake Forest, N of Portola Pwy and immediately W of SR 241 freqay at avocado orchard, vicinity of Tomato Spring. 206 Comment
  RSA743663  Atriplex R. E. Riefner 2006-9-6 6 -425 Orange City of Newport Beach, Newport Bay, Big Canyon Creek drainage near Back Bay Dr. 9 Comment
  HSC101291  Atriplex amnicola R. E. Riefner, Jr. 2006-2-12 621 Orange South Coast: N end of City of San Clemente, along N-bound I-5, immediately S of Camino de Estrella exit ramp 66 Comment
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Feb 28 2016
  SBBG133594  Atriplex amnicola R. E. Riefner Jr. 2006-5-7 06 -178 Orange N end of City of San Clemente, along I-5 Freeway, N side, immediately S of Camino de Estrella exit ramp 66 Comment
  CDA2883  Atriplex amnicola R. E. Riefner Jr. 2006-8-6 06 -381 Orange City of Newport Beach, Newport Bay, Big Canyon Creek drainage near Back Bay Drive. Comment
  RSA737233  Atriplex amnicola R. E. Riefner 2006-2-12 06 /21/2015 Orange N end of City of San Clemente, along I5 N, immediately S of Camino de Estrella exit ramp. 66 Comment
  RSA737242  Atriplex amnicola R. E. Riefner 2005-9-16 05 -666 Orange Upper Newport Bay, E of Bayside Dr. at confluence with Big Canyon. 6 Comment
  RSA737243  Atriplex amnicola R. E. Riefner 2006-4-17 06 -155 Orange Upper Newport Bay, near Bayview Wy and Bayview Pl. 7 Comment
  RSA696737  Atriplex argentea subsp. expansa J. R. Bruff 1930-10-19 s.n. Orange Delhi Rd. Comment
  RSA678456  Atriplex californica Valerie Soza, Kevin B. Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary D. Wallace 2001-4-4 1109 Orange Seal Beach National Wildlife Refuge: Seal Beach U. S. Naval Weapons Station, across access road from Nature Center (Bldg 226). 3 Comment
  UCR146227  Atriplex californica Valerie Soza, Et al. 2001-4-4 1109 Orange South Coast, Seal Beach National Wildlife Refuge, Seal Beach U. S. Naval Weapons Station, across access road from Nature Center (Bldg 226) 3 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
  RSA542649  Atriplex californica Fred M. Roberts 1988-10-12 4159 Orange San Clemente State Park: c.a. 0.2 km SE end of Ave. California along Santa Fe RR. 3 Comment
  POM21631  Atriplex canescens F. W. Peirson 1934-2-10 4528 Orange Corona Del Mar Comment
  RSA234538  Atriplex canescens James Henrickson 1970-7-24 5018 Orange 3 miles NW of Huntington Beach on sandy ''Rabbit'' Island in Bolsa Chica Salt March near Inner Bolsa Bay. 1 Comment
  UCD97285  Atriplex canescens Lawrence M. Booth 1932-7-23 1301 Orange Corona del Mar, Newport Beach. Comment
  UCD97302  Atriplex canescens A. C. Sanders 1990-10-6 10193 Orange Newport Bay, North Star County Beach area on the SW end of the bay, 2 km inland of Hwy. 1. 1 Comment
  CAS-BOT-BC170191  Atriplex canescens subsp. canescens I. M. Johnston 1918-9-3 2149 Orange Laguna Beach 6 Comment
  CAS-BOT-BC170192  Atriplex canescens subsp. canescens I. M. Johnston 1918-9-3 2149 Orange Laguna Beach 6 Comment
  CAS-BOT-BC170196  Atriplex canescens subsp. canescens John Thomas Howell 1927-10-22 3162 Orange In hills on n. side of Santa Ana Canyon. 152 Comment
  CAS-BOT-BC172633  Atriplex coulteri Louis C. Wheeler 1934-1-14 2363 Orange Aliso Creek near Laguna 76 Comment
  RSA542647  Atriplex coulteri Fred M. Roberts, K. G. Marsh, G. A. Marsh 1988-4-26 3951 Orange Pelican Hill, east slope above Los Trancos Canyon , 0.4km ESE Pelican Hll survey Mark. 200 Comment
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Oct 16 2013
  RSA655236  Atriplex coulteri D. E. Bramlet 1998-5-25 2628 Orange 120m north of the Newport Beach Library and 61m west of McArthur Blvd. 914m south of San Miguel Drive. 15 Comment
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Feb 3 2015
  RSA680948  Atriplex glauca D. E. Bramlet 1994-2-27 2365 Orange Roadside area, some 120 meters east of intersection of Irvine Ave and University Drive, approximately 1 meter south of University Drive. 15 Comment
  SBBG132292  Atriplex glauca R. E. Riefner Jr. 2006-3-19 06 -52 Orange near Avocado Ave and San Nicolas Dr, W of MacArthur Blvd; Newport Beach 77 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
  RSA488137  Atriplex glauca Fred M. Roberts 1985-8-30 2186 Orange Laguna Niguel: Niguel Hill, Pacific Island Rd., 1.4 km ESE Aliso Pk. 182 Comment
  RSA743662  Atriplex glauca R. E. Riefner 2006-6-30 6 -334 Orange City of Rancho Santa Margarita, vicinity of Towne Center Dr. and Alton Pkwy. 291 Comment
  SBBG121998  Atriplex glauca R. E. Riefner 2005-12-13 05 -784 Orange ca. 0.5 mi N of Alton Parkway, E side of SR-241; Lake Forest 230 Comment
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Dec 13 2012
  CAS-BOT-BC170116  Atriplex lentiformis Carl B. Wolf 1927-7-23 666 Orange Just no. of San Clemente on coastal slopes. Comment
  UCR24117  Atriplex lentiformis subsp. breweri John C. Roos 1937-8-31 2556 Orange South Coast, San Clemente Comment
  CLARK-A1528-978  Atriplex lentiformis subsp. breweri Patricia A. Andrews 1998-5-20 Orange Capistrano Bay Beach 9 Comment
  RSA743476  Atriplex lentiformis subsp. lentiformis Fred M. Roberts, Carol A. Roberts 2008-9-28 7112 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA33798  Atriplex leucophylla N. C. Cooper 1942-11-9 884 Orange Balboa Comment
  RSA478323  Atriplex leucophylla Gertrude Dunn 1931-8-9 s.n. Orange Between Huntington Beach and Santa Ana Comment
  SD40196  Atriplex leucophylla Edith A. Purer 1932-8-31 4870 Orange Along Route 101. Comment
  RSA478322  Atriplex leucophylla Anstruther Davidson 1902-09 s.n. Orange Newport Beach. Comment
  RSA478340  Atriplex pacifica L. C. Wheeler 1932-6-25 855 Orange Newport Bay. 2 Comment
  UC219363  Atriplex pacifica D. L. Crawford 1916-5-5 Orange Laguna Beach Laguna Beach (bluffs along shore, Southern California) Comment
  UC517553  Atriplex pacifica John Thomas Howell 1927-7-17 2788 Orange 1 mi n Laguna Beach; n of Laguna Beach 30 Comment
  RSA539447  Atriplex polycarpa Karlin G. Marsh 1991-10-29 s.n. Orange Anaheim: Santa Ana Canyon, south side of Santa Ana River just east of Imerial Highway, 4.1km NW Robbers Peak. 87 Comment
  IRVC16607  Atriplex rosea G. Marsh 1970-6-17 Orange Santa Ana River, south bank near Coast Hwy. Newport Beach Comment
  HSC34526  Atriplex semibaccata J. D. Ackerman, A. M. Montalvo 1974-3-28 167 Orange S Laguna, by S Laguna Sanitary Station Comment
  SD133115  Atriplex semibaccata A. C. Sanders 1990-10-6 10192 Orange Newport Bay, North Star County Beach area on the southwest end of the bay, ca. 2.0 km inland of Highway 1. 0 Comment
  UCR130494  Atriplex semibaccata R. E. Riefner Jr. 2002-5-4 02- 90 Orange South Coast, Upper Newport Bay, Jamboree Road at Bayview Dr., edge of Newport Beach Q. 21 Comment
  POM279024  Atriplex semibaccata Grant D. Brown 1949-10-9 401 Orange 3 mi. N of Corona Del Mar on road to Santa Ana. 6 Comment
  RSA452383  Atriplex serenana var. davidsonii L. C. Wheeler 1934-1-14 2363 Orange Aliso Creek near Laguna. 76 Comment
  UCR67013  Atriplex triangularis A. C. Sanders 1990-10-6 10189 Orange Newport Bay, North Star County Beach Area on the SW end of the Bay, c. 2 km inland of Hwy 1. 3 Comment
  RSA65426  Atriplex watsonii F. W. Peirson 1924-2-10 4533 Orange Corona Del Mar Comment
  RSA678508  Atriplex watsonii Valerie Soza, Kevin B. Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary D. Wallace 2001-4-4 1100 Orange Seal Beach National Wildlife Refuge: Seal Beach U. S. Naval Weapons Station, across access road from Nature Center (Bldg 226). 3 Comment
  SBBG65356  Atriplex watsonii M. N. Ackley 1928-9-22 419 Orange Sunset Beach 8 Comment
  UCR14058B  Atriplex watsonii Hyrum B. Johnson 1973-10-27 s.n. Orange Pacific Coast, Bolsa Chica State Beach 1 Comment
  UCR211857  Atriplex watsonii Valerie Soza, Kevin Clark, LeRoy Gross, Will Miller, Fred M. Roberts, G. D. Wallace 2001-4-4 1100 Orange South Coast, Seal Beach National Wildlife Refuge, Seal Beach U. S. Naval Weapons Station, across access road from Nature Center (Bldg 226) 3 Comment
  POM48692  Atriplex watsonii I. M. Johnston 1924-8-29 s.n. Orange Balboa Island, salt marsh near bridge to mainland. Comment
  RSA732069  Avena barbata A. C. Sanders, Fred M. Roberts 2008-3-25 34517 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCSB47966  Avena barbata Roberts, Fred 1980-4-3 Orange Hills 1.5 km ENE of Dana Hills High School; Dana Point 85 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
  UCR119304  Baccharis malibuensis R. E. Riefner Jr., Adrian Wolf 2000-8-23 20- 732 Orange Santa Ana Mountains, North Ranch Policy Plan Area. Fremont Canyon: north of Santiago Creek and immediately south of major stream fork 305 Comment
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Jan 6 2018
  RSA0008327  Baccharis malibuensis R. E. Riefner Jr. 2008-6-25 08 -175 Orange Santa Ana Mts., Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, Black Star SCE Rd. 483 Comment
  RSA703357  Baccharis pilularis Fred M. Roberts, Laura Cohen 2004-2-13 6024 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Shady Canyon tributary to Cristianitos Cyn., 1.34 km NW Sycamore Gate, 0.85 km W of Cristianitos Road. 156 Comment
  RSA743499  Baccharis pilularis Fred M. Roberts 2008-9-10 7098 Orange Dana Point: Dana Point Headlands, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor. 75 Comment
  UCD129430  Baccharis pilularis B. Pitzer 1997-11-8 3373 Orange Crystal Cove State Park: Pelican Point Area, grassland area between Pacific Coast Hwy and the bike trail. Open areas adjacent to parking lot. 30 Comment
  UCR186682  Baccharis pilularis T. B. Salvato, Katie Kurtz 2006-10-15 1915 Orange South Coast, Irvine, San Diego Creek flood control channel, near Michelson Drive and Harvard Avenue 6 Comment
  UCR207595  Baccharis pilularis O. F. Clarke, Roger E. Reinke 2004-11-14 s.n. Orange South Coast, Newport Back Bay 3 Comment
  IRVC21770  Baccharis pilularis subsp. consanguinea Fred M. Roberts 1984-11-27 1442 Orange Novia St. bridge over San Juan Creek, 0.6km S Bench Mark 133, San Juan Capistrano 31 Comment
  UCR247874  Baccharis pilularis subsp. consanguinea Fred M. Roberts 2012-9-6 7702 Orange SAN JOAQUIN HILLS: Buck Gully, Buck Gully Trail, about 1.8 km NW Pelican Hill summit. 64 Comment
  IRVC28769  Baccharis salicifolia Barry S. Nerhus 2006-2-4 1 Orange San Joaquin Marsh; NW Edge of Marsh. Southern Coastal 3 Comment
  IRVC29766  Baccharis salicifolia Barry S. Nerhus, Mark A. Elvin 2006-11-4 7 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal 0 Comment
  LA203019  Baccharis salicifolia James Lauter; 1953-4-25 sn Orange U.S. Highway 101, 17 mi. S of Laguna, San Mateo Creek bed Comment
  POM12441  Baccharis salicifolia Philip A. Munz 1922-9-2 6350 Orange Ponds in Laguna Canyon 46 Comment
  UCR192736  Baccharis salicifolia A. C. Sanders, Fred M. Roberts 2008-5-6 35231 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
  SD233267  Barbarea orthoceras R. F. Thorne, E. W. Lathrop, G Marshs. 1977-5-4 49818 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  SD255122  Barbarea orthoceras R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49818 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  SBBG47295  Bassia hyssopifolia R. N. Philbrick 1973-8-31 Orange marsh just E of University of California, Irvine Comment
  SEINET238998  Bassia hyssopifolia R. D. Goeden 1965-7-7 Orange Tustin township near Peters Canyon Channel E of Santa Ana Marine Corps Air Station (Tustin 7.5' Q.) 61 Comment
  UCR96859  Bassia hyssopifolia Scott D. White 1993-4-28 1283 Orange Pacific slope, Tustin Marine Corps Air Station, NW of Peters Canyon Channel, between Moffett Dr. & Warner Comment
  RSA232231  Bassia hyssopifolia James Henrickson 1970-7-25 5079 Orange 3.5 miles NW of Huntington Beach growing along graded inner slope of East Garden Grove-Wintersburg Flood Control Channel near Bolsa Chica Salt Marsh. 2 Comment
  RSA5825  Bassia hyssopifolia C. B. Wolf 1932-6-28 3797 Orange 100 ft. east of pump house at East End Camp. 9 Comment
  CAS-BOT-BC75517  Batis maritima Peter H. Raven 1957-9-28 11389 Orange At north limits of Surfside. Comment
  RSA439754  Batis maritima F. R. Fosberg 1931-8-19 S 5678 Orange Newport Bay. 1 Comment
  RSA439758  Batis maritima Anstruther Davidson 1907-9-1 1769 Orange Newport Comment
  UC1779705  Batis maritima Rudolf Schmid 1999-7-14 1999 -6 Orange Bolsa Chica Marsh, S of Seal Beach. From the S side of parking lot by HW1. Comment
  UCR130498  Batis maritima R. E. Riefner Jr. 2003-8-17 03- 336 Orange South Coast, Costa Mesa, salt marsh along Santa Ana River, west of Talbert Regional Park 11 Comment
  UCSB36212  Batis maritima Ferren, Wayne 1980-8-27 Orange In Newport Back Bay W side of Back Bay Drive, ca. 1.5 km. NE of Rt. 1, Newport Beach Comment
  RSA650814  Bebbia juncea Daniel Truong 1991-5-13 30 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of ''closed area''. Comment
  RSA790  Bebbia juncea J. T. Howell 1927-6-2 13 Orange Sandstone Ridge, Botany Garden, RSA. 152 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
  UCD169738  Berberis aquifolium var. dictyota R. F. Thorne; et al. 1977-4-27 49716 Orange Santa Ana Mountains: Bedford Truck Trail, ca. 0.8 km below junction with Main Divide Truck Trail. 1402 Comment
  UCSB48366  Berberis aquifolium var. dictyota Roberts, Jr., Fred 1982-4-18 Orange Santa Ana Mtns.; Hot Springs Canyon, 0.6 km. SW Falcon Group Camp 1033 Comment
  CHSC26010  Beta vulgaris James Henrickson 1970-7-25 5082 Orange 3 1/2 miles NW of Huntington Beach growing along graded inner slope of East Garden Grove- Wintersburg Flood Control Channel near Bolsa Chica Salt Marsh. 2 Comment
  RSA5958  Beta vulgaris C. B. Wolf 1932-7-7 3852 Orange Bixby Ave., 1.3 mi. W of Hansen Road. (0.2 mi. E of SW corner of NW 1/4 of NE 1/4 of Sect. 33). 8 Comment
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Apr 10 2014
  IRVC20225  Bidens pilosa Fred M. Roberts, K. G. Marsh 1982-10-18 834 Orange Temple Hill, east margin of Top of the World School, Laguna Beach 295 Comment
  UCR194556  Bloomeria crocea A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35329 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 0.3 mi. west of Eastern Transportation Corridor (Hwy 241) and 1.45 mi. east of south end of Walnut Canyon Reservoir 335 Comment
  RSA652086  Bloomeria crocea Bob Edwards 1948-5-2 sn Orange Orange: 4.5 miles east of Orange in an open field near a Catholic cemetery. 107 Comment
  UCR12191  Bloomeria crocea var. crocea Art Whistler 1966-4-27 s.n. Orange Between Laguna Beach and Anaheim, via Laguna Canyon Rd. and probably Route 1 Comment
  UCR16608  Bloomeria crocea var. crocea Kenneth Hibberd 1966-4-30 660430- 3 Orange 0.5 mi S on Mohler Rd. in the Santa Ana Canyon, 5 mi west of Riverside Co. 244 Comment
  RSA548869  Bloomeria crocea var. crocea Bernard Jaroslow 1989-5-29 B 25 Orange Santiago Canyon: Along the Morrow Trail out of Live Oak Canyon, below truck trail. Comment
  UCR266417  Bolboschoenus maritimus D. E. Bramlet 2009-11-20 4418 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  CAS-BOT-BC31016  Bolboschoenus maritimus Helen D. Geis 1902-11-1 s.n. Orange Santa Ana Peat Lands. Comment
  CHSC30499  Bolboschoenus maritimus subsp. paludosus Diane H. Ikeda 1980-4-2 216 Orange Upper Newport Bay Ecological Reserve. At the intersection of Back Bay Drive and San Joaquin Rd. 0 Comment
  UCR61919  Bolboschoenus maritimus subsp. paludosus Richard A. Marin 1971-5-11 71- 80 Orange Irvine, corner of MacArthur Blvd. & University Drive Comment
  UCD169656  Bothriochloa barbinodis R. F. Thorne; E. W. Lanthrop, W. Wisura 1977-7-8 49623 Orange Santa Ana Mountains: along Ortega Highway (74), about 1/4 mile above San Juan Fire Station. 600 Comment
  UCR192080  Bothriochloa barbinodis A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35281 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  UCD56830  Bothriochloa saccharoides A. A. Beetle 1942-4-19 3102 Orange Rt. 101. 5 miles south of Laguna Beach. Comment
  RSA0067892  Brassica campestris R. W. Hufstader 1971-2-13 11 Orange Collected in Villa Park on Loma St. by the road. 243 Comment
  CDA24706  Brassica nigra T. C. Fuller 1962-4-5 8143 Orange East of Highway 101, San Clemente. 0 Comment
  RSA0043350  Brassica nigra David Barrios 1991-5-8 40 Orange 1500 ft. northwest of Fairmont Ave and Quail Cir., Yorba Linda. 365 Comment
  RSA0066348  Brassica nigra A. C. Sanders, Fred M. Roberts 2008-3-25 34567 Orange Peninsular Range; Santa Ana Mtns.: Saddle on ridge near head of Weir Canyon, 5.3 miles ENE of Villa Park, 3.1 mi. N of (Santiago Reservoir) Irvine Lake. 405 Comment
  UCR241907  Brassica nigra Fred M. Roberts 2012-4-24 7526 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  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
  CAS-BOT-BC30255  Brassica nigra Alice Eastwood 1936-4-5 s.n. Orange Santa Ana. Bixby Botanic Garden. Comment
  SEINET7907479  Brassicaceae G. A. Wojciechowski 1967-1 Orange San Juan Capistrano beside rd 610 Comment
  UCSB48079  Brickellia californica Roberts, Fred 1981-11-15 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, across road from entrance to Lower San Juan Picnic Ground 436 Comment
  RSA0043361  Brickellia desertorum Fred M. Roberts 2013-8-9 7803 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 1.3 km up stream Black Star Road crossing. 323 Comment
  UCR132993  Briza minor Adrian Wolf 2001-7-16 456 Orange Santa Ana Mtns., North Ranch Policy Plan Area, North Baker Canyon Road 305 Comment
  RSA0065211  Brodiaea filifolia R. E. Riefner Jr. 2014-5-13 14 -119 Orange City of San Clemente, Rancho San Clemente Trail, east c. 0.15 mi. from Ave. Salvador and south c. 0.1 mi. off Utility Access Rd. 239 Comment
  RSA655021  Brodiaea filifolia R. A. Hamilton 1998-6-19 s.n. Orange SCE easement north of the Foothill Transportation Corridor. The site is 1.3km north of El Toro Road and 1.6km east of Portola Parkway. 290 Comment
  LA13709  Bromus carinatus LeRoy Abrams; 1903-4-18 3271 Orange San Juan Capristrano 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
  UCD57999  Bromus carinatus Ira L. Wiggins 1966-3-16 20528 Orange Near entrance to Firestone Boy Scout Reservation. 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
  UCD58368  Bromus catharticus John Thomas Howell 1956-3-11 30922 Orange Yorba Linda. Comment
  UCD58383  Bromus catharticus John Thomas Howell 1956-3-11 30923 Orange Yorba Linda. Comment
  CAS-BOT-BC156002  Bromus diandrus John Thomas Howell 1927-6-9 2466 Orange North side Santa Ana Canon [Canyon]. 152 Comment
  CAS-BOT-BC156006  Bromus diandrus P. Munz; L. Street; G. Williams 1919-5-3 2644 Orange Santa Ana River Canyon. Comment
  LA35610  Bromus diandrus A. K. Khudairi; 1951-5-20 sn Orange Westminster Comment
  RSA697686  Bromus hordeaceus Aileen Adams 1932-4-29 s.n. Orange Orange Co. Park. Comment
  UC1131079  Bromus hordeaceus A. Lewis Apr 1934 387 Orange 1/2 mi e of Borrego Canyon 457 Comment
  UCR192104  Bromus madritensis A. C. Sanders, Fred M. Roberts, Amber O'Neal, D. E. Bramlet 2008-5-9 35306 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along old dirt road, c. 1.25 mi. ESE of Walnut Cyn Reservoir 340 Comment
  UCR193601  Bromus madritensis A. C. Sanders, Fred M. Roberts 2008-5-6 35235 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
  HSC9317  Bromus madritensis subsp. rubens T. L. Ackerman 1964-3-28 9 Orange Irvine Park Dr. inside Irvine Park Comment
  RSA539376  Bromus pseudolaevipes Fred M. Roberts 1988-6-9 4068 Orange Santa Ana Mountains: Main Divide Truck Trail, Upper Silverado Canyon, 1.9 kilometer N Modjeska Peak., UTM 3733000mN, 449500mE 1128 Comment
  RSA699743  Bromus pseudolaevipes Fred M. Roberts, David E. Bramlet 2003-5-15 5876 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
  UCR192471  Bromus rubens A. C. Sanders, Fred M. Roberts 2008-3-25 34539 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA45  Bromus rubens J. T. Howell 1927-6-9 66 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA650420  Bromus rubens Howard Cook 1948-4-15 13 Orange Collected on highway 14, about 8 miles east of Fullerton. 91 Comment
  CDA5337  Bupleurum lancifolium E. Smith 1967-4-3 Orange Orange. 0 Comment
  UC124604  Cakile edentula A. Davidson, M. D. 1908-5-2 1789 Orange s Newport Bay Newport Bay Comment
  POM122271  Cakile edentula subsp. edentula Marcus E. Jones 1924-8-26 s.n. Orange Newport. Comment
  CSUSB527  Cakile maritima Cesareo Perez 1971-5-12 S. N. Orange Huntington State Beach, Pacific Coast Highway at Brookhurst Comment
  RSA732079  Calandrinia ciliata A. C. Sanders, Fred M. Roberts 2008-3-25 34548 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR222642  Calandrinia ciliata D. E. Bramlet 2008-4-28 4245 Orange Peninsular Range; Santa Ana Mtns. Foothills, east fork of upper Weir Canyon, 1.2 km east of the main canyon and 91 m west of the upper boundary of Gypsum Canyon 409 Comment
  RSA696973  Calendula officinalis Ruth Greenwald 1938-05 s.n. Orange Santa Ana Comment
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Jun 10 2012
  RSA697067  Calendula officinalis Kenneth Beard 1934-02 s.n. Orange Garden, Santa Ana Comment
  UCR217462  Callistemon citrinus Mark A. Elvin 2003-2-23 2309 Orange South Coast, Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  CDA5107  Callistemon viminalis R. E. Riefner Jr. 2006-11-14 06 -674 Orange City of Irvine, San Diego Creek; vicinity of Campus Avenue at University Drive. Comment
  RSA665954  Callitriche marginata Fred M. Roberts, Michelle Lee, Kristen Szabo 2001-4-13 5425 Orange Rancho Mission Viejo: South of San Juan Creek, 0.6km WNW Median Rancho Survey Marker. PCR Vernal Pool 2. 183 Comment
  RSA120  Calochortus catalinae J. T. Howell 1928-3-17 863 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA162808  Calochortus catalinae J. D. Olmsted 1959-4-23 475 Orange Hidden Ranch in Black Star Canyon, 5 miles east of Irvine Reservoir. 640 Comment
  RSA21235  Calochortus catalinae S. B. Bryant 1937-4-10 8506 Orange Rancho Santa Ana, Santa Ana Canyon, along road & roundtop to Horseshoe Bend. 244 Comment
  RSA649054  Calochortus catalinae D. E. Bramlet 2000-4-12 2977 Orange Fremont Canyon near Edison transmission lines. The site is 92m east of the Edison Spur Road and 762m southeast of the Fremont ridge road. The locality is 335m west of Fremont Canyon. 138 Comment
  RSA649058  Calochortus catalinae D. E. Bramlet 2000-4-17 2987 Orange West of Blind Canyon and north of Irvine Park and SW of the MDW [Metropolitan Water District] access road. 220 Comment
  RSA678167  Calochortus catalinae Mark Elvin, Charles Gorenst 1996-3-16 113 Orange Crystal Cove State Park300m down hill from no brains trail. Comment
  UCR203974  Calochortus catalinae D. E. Bramlet 2008-3-26 4124 Orange Peninsular Range; Santa Ana Mountains, Bee Canyon, Bowerman landfill site. 148 m south of the Bee Canyon access road and 296 m west of the active landfill entrance Comment
  RSA786593  Calochortus invenustus Doris Bowers 1971-4-19 1692 Orange Black Star Canyon Indian Site 762 Comment
  RSA594819  Calochortus splendens Fred M. Roberts, Sandy Leatherman, Brian Leatherman 1994-4-24 4913 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  CAS-BOT-BC492697  Calochortus splendens D. L. Crawford 1916-5-5 s.n. Orange Laguna Beach Comment
  CAS-BOT-BC132660  Calochortus weedii var. intermedius John Thomas Howell 1927-7-3 2636 Orange Claymine [Canon] Canyon, n. Santa Ana Mts. 304 Comment
  RSA580944  Calochortus weedii var. intermedius D. E. Bramlet 1994-6-2 2378 Orange San Joaquin Hills. On ridgeline north of Little Sycamore Canyon. The site in located 244 m NE of Little Sycamore Canyon and 1.3 km west of Laguna Canyon. Road. 165 Comment
  RSA690972  Calochortus weedii var. intermedius Scott D. White, Michael Honer 2003-5-29 9425 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
  UC1952586  Calochortus weedii var. intermedius D. Bramlet 1994-6-23 2392 Orange San Joaquin Hills. On ridgeline between Camarillo and Shady Canyons. The site is located 1.5 km west of Laguna Cyn. and 183 m SE of the Shady-Camarillo Cyn. Road junction; Laguna Beach 7.5 USGS Quadrangle 37 18 130m. N x 4 27 850m E. Comment
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Oct 17 2017
  RSA761935  Calycadenia tenella Robt Allen 2005-4-30 12496 Orange Caspers Wilderness Park, East Ridge Trail. 175 Comment
  CSUSB667  Calystegia macrostegia R. P. Sunderman 1968-5-11 Orange Beach just south of Corona del Mar Comment
  CSUSB679  Calystegia macrostegia Cesareo Perez 1971-5-4 Orange South Mesa Drive and Lemon Street in Villa Park Comment
  UCR230223  Calystegia macrostegia Dick Newell, Ed Hill 2011-3-29 098 Orange Peninsular Range; Santa Ana Mtns., east of Outdoor Education Center on MWD service road, 1.65 mi. NW (311 deg. ) of Irvine Lake dam 237 Comment
  SEINET12343666  Calystegia macrostegia J. F. Bright, Wyman, C. 1933-3-5 8014 Orange Santa Anna foothills Comment
  RSA710302  Calystegia macrostegia subsp. arida R. K. Brummitt 1998-5-23 19994 Orange 17 km NE of San Juan Capistrano on Rte. 74. 200 Comment
  CSUSB666  Calystegia macrostegia subsp. cyclostegia Sue Freeman 1966-3-27 Orange Laguna. About 30 yards off Wave Street in Laguna (end of street); on grassy hillside 100 feet above ocean and over crest of hill from it. 30 Comment
  SEINET7072487  Calystegia macrostegia subsp. cyclostegia A. G. Vestal 1963-3-27 s.n. Orange About 1.8 miles up Cai+-ada Gobernadora. Coordinate datum: NAD27. Comment
  RSA653182  Calystegia macrostegia subsp. intermedia David Barrios 1991-5-1 15 Orange Yorba Linda, 1500 ft. northwest of Fairmont Ave and Quail Circle., (117 deg. 45' 00'' +4 28 / 33 deg. 52' 37'' + 37 51.5). 366 Comment
  LA50071  Calystegia macrostegia subsp. tenuifolia W. Pequegnat; 1937-8-31 99 Orange Santa Ana Mts 761 Comment
  RSA394914  Calystegia macrostegia subsp. tenuifolia H. L. Bauer 1929-5-7 s.n. Orange Santa Ana Canyon Comment
  POM201638  Calystegia sepium subsp. limnophila L. M. Booth 1932-7-19 1279 Orange Bolsa Chica Comment
  SD181587  Calystegia soldanella Valerie Soza, K Clark, L Gross, W Miller, F Roberts, G Wallace 2001-4-4 1114 Orange Anaheim Bay, Seal Beach National Wildlife Refuge; Seal Beach quad. Coastal sand dunes. 3 Comment
  RSA17267  Calystegia soldanella C. B. Wolf 1936-7-8 2600 Orange Mouth of Santa Ana River. 3 Comment
  RSA394832A  Calystegia soldanella M. B. Dunkle 1935-2-10 4326 Orange San Orenfro 3 Comment
  RSA0013578  Camissonia D. E. Bramlet 2008-3-26 4120 Orange Bee Canyon. Bowerman landfill site. 202m S of the Bee Cyn. Access Road, 151m west of landfill entrance. Comment
  RSA466969  Camissonia bistorta M. B. Dunkle 1933-4-9 3280 Orange Dana Point. Comment
  UCR215311  Camissonia bistorta Fred M. Roberts 2008-3-27 6802 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near NE gate, 0.5 km west of Marine Institute, Dana Point Harbor 75 Comment
  RSA25949  Camissonia californica E. Johnson 1941-5-1 s.n. Orange River bottom, Rancho Santa Ana Comment
  RSA759152  Camissonia californica Robt. Allen, Lori Whalen 2008-7-5 s.n. Orange Dry foothills along a SW-facing ridge, slong Santiago Truck Trail, 0.5 air miles E of USPF Forest Gate at Modjeska Grade Road. Comment
  CHSC10115  Camissonia cheiranthifolia subsp. suffruticosa J. W. Johnson 1960-8-18 Orange Newport Beach. Beside Newport Bay by Highway 101. Comment
  HSC79101  Camissonia cheiranthifolia subsp. suffruticosa Janice Ragsdale 1972-5-1 52 Orange Newport Beach, 10 mi. SW of Back Bay Rd. on Jamboree Rd. 61 Comment
  RSA357147  Camissonia cheiranthifolia subsp. suffruticosa Robert F. Thorne 1975-4-6 45584 Orange Head of Newport Bay. Comment
  RSA698255  Camissonia cheiranthifolia subsp. suffruticosa Minor Warne 1934-04 s.n. Orange Sand hills along the coast. Comment
  RSA784176  Camissonia cheiranthifolia subsp. suffruticosa J. D. Olmsted 1959-7-26 770 Orange Drainage area to Pacific Ocean. S. San Joaquin Hills. Old Moulton Ranch immediately behind about 80-90 S. La Senda St. in Three Arch Bay S of S. Laguna. 30 Comment
  RSA734338  Camissonia hirtella A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34624 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 366 Comment
  UCR191366  Camissonia hirtella A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34624 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
  RSA683166  Camissonia intermedia Scott D. White, Amanda Duchardt 2003-4-10 9018 Orange Santa Ana Mountain Foothills: Ridges & east-facing canyons above Trampas Canyon. 122 Comment
  SEINET5344150  Camissoniopsis cheiranthifolia N. J. Hartke 1953-4-2 12 Orange Balboa Beach Comment
  RSA681847  Capsella bursa-pastoris Scott D. White, Michael Honer 2003-6-12 9539 Orange Rancho Mission Viejo. Upper end of Trampas Canyon. 152 Comment
  UCR191439  Capsella bursa-pastoris A. C. Sanders, Fred M. Roberts 2008-4-8 34721 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, head of Hicks Canyon, S of Santiago Reservoir 351 Comment
  LA204271  Cardamine californica O. A. Plunkett; 1939-2-18 sn Orange 15 mi. E of Capistrano Comment
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Nov 15 2013
  POM369330  Cardamine californica var. integrifolia M. B. Dunkle 1933-3-5 3096 Orange San Juan Canyon, Comment
  RSA484622  Cardamine californica var. integrifolia E. Crow 1929-2-22 156 a Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  RSA484623  Cardamine californica var. integrifolia Thekla Mohr 1917-04 3191 Orange Laguna Comment
  POM187376  Cardaria chalepensis Ed Johnson s.n. Orange Westminster. Comment
  JEPS53317  Cardaria draba L. M. Booth 1932-5-15 1197 Orange s of Huntington Beach Comment
  RSA696167  Cardaria draba Keith E. Hoffmaster 1932-5-30 s.n. Orange Santa Ana. Comment
  HSC94252  Cardionema ramosissimum D. Atwood 1993-3-27 17689 Orange Corona Del Mar State Park along Newport Coast Drive. 0 Comment
  RSA441725  Cardionema ramosissimum L. C. Wheeler 1934-1-14 2357 Orange 1 mile E mouth of Aliso canyon near Laguna. 30 Comment
  RSA752304  Cardionema ramosissimum Fred M. Roberts, Eliza Maher 2008-3-26 6794 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  UCR177287  Cardionema ramosissimum Scott D. White, Amanda Duchardt 2003-5-1 9149 Orange Santa Ana Mountains, Slopes above the west side of Canada Gobernadora and adjacent small canyon to the west 122 Comment
  POM293161  Cardionema ramosissimum Lyman Benson 1946-4-27 s.n. Orange Corona Del Mar; Drainage area: Pacific Ocean. 15 Comment
  RSA581446  Carex alma Fred M. Roberts, Gordon Marsh 1989-5-12 4366 Orange Santa Ana Mountains: Santiago Canyon, Flemming Regional Park, just E of Modjeska at end of paved road, ca. 3.0 kilometers WSW Laurel Springs. 436 Comment
  CAS-BOT-BC118500  Carex praegracilis Helen D. Geis 1902-4-1 506 Orange Santa Ana Comment
  RSA797395  Carex spissa Keith E. Hoffmaster 1934-7-15 s.n. Orange Santa Ana Mts (Modjeska) Comment
  SEINET10447228  Carpobrotus chilensis Charlene A. Bennett 1976-7-22 Bennett 444 Orange Cultivated and native plants collected around the San Clemente Beach area. 3 Comment
  RSA113267  Carpobrotus edulis E. K. Balls 1955-4-4 20421 Orange Coastal Strand. W end of Newport Beach. Hwy 101. 3 Comment
  RSA0037204  Carthamus baeticus Darren Day, Hal Willis 1984-5-20 035 Orange Growing on the east side of Laguna Canyon Rd. as you are traveling towards the city of Laguna Beach. This location approximately 5.2 miles out of town. Comment
  CAS-BOT-BC281886  Carthamus lanatus E. L. Paddock 1941-7-21 s.n. Orange Ridge Road along S rim Tonner Canyon, 1 mile NE of Brea on Union Oil Property, Brea Comment
  UCR150610  Castilleja affinis Scott D. White 1997-5-6 5044 Orange Peninsular Ranges; Santa Ana Mountains, Lomas de Santiago. Santiago Canyon area: Ridgetop road N and west of Bolero Lookout 488 Comment
  RSA425875  Castilleja affinis T. W. Minthorn 1928-4-1 s.n. Orange Balboa Palisades. Comment
  JEPS21372  Castilleja affinis subsp. affinis Milo S. Baker 1958-5-20 13304 Orange Newport Bay 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
  UC1012124  Castilleja affinis subsp. affinis F. W. Pennell and Carl Epling 1940-4-21 25149 Orange 5 mi e San Luis Capistrano (Route 74) 60 Comment
  UCD170069  Castilleja affinis subsp. affinis R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49649 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 227 Comment
  JEPS21373  Castilleja applegatei subsp. martinii Milo S. Baker 1938-5-17 13296 Orange Santa Ana Mts. Comment
  RSA0127599  Castilleja exserta Fred M. Roberts 2016-3-25 8029 Orange San Joaquin Hills: Bommer Canyon, west slope near south end fo Nature Loop Trail, 0.1 km NW Cattle Camp and 1.6 km NE summit of Signal Peak. 146 Comment
  RSA699996  Castilleja foliolosa L. C. Hull 1934-4-29 s.n. Orange Trabuco Canyon Comment
  UCSB45138  Castilleja foliolosa Woicik, Richard 1976-5-21 Orange Modjeska Canyon; near fire station Comment
  UCSB56517  Castilleja foliolosa Anderson, J. 1966-3-7 Orange San Joaquin Hills; near bottom or Moro Canyon 91 Comment
  RSA734200  Castilleja minor subsp. spiralis Keith E. Hoffmaster 1934-7-15 117 Orange Santa Ana Mts (Modjeska) Comment
  SD212727  Castilleja minor subsp. spiralis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33007 Orange Santa Ana Mountains: San Juan Canyon, from Lower San juan Picnic area to circa 1 mile downstream, parallel to Highway 74 and near Riverside County line 366 Comment
  UCR137191  Castilleja minor subsp. spiralis M. B. Dunkle 1934-6-18 3989 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon 305 Comment
  RSA798095  Castilleja stenantha Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49584 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  RSA598022  Caulanthus heterophyllus D. Bramlet 1994-4-30 2376 Orange San Juaquin Hills, on ridgeline above Camarillo canyon, beside the Camarillo Spur (E side) road. The site if located 1.5km W of Laguna Canyon, 198m NE of the Shady Camarillo Canyon road jct. Comment
  RSA642524  Caulanthus heterophyllus D. E. Bramlet 1994-4-30 2376 Orange San Joaquin Hills. On ridgeline above Camarillo Canyon, beside the Camarillo Spur (E side) road. 1.5 km west of Laguna Cyn. and 198 m NE of the Shady-Camarillo Cyn. Road junction. 65 Comment
  UCR191458  Caulanthus heterophyllus A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34652 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
  UC1070888  Ceanothus R. St. John 1931-3-17 196 Orange N of Sierra Peak 609 Comment
  RSA398894  Ceanothus crassifolius E. Crow 1929-2-22 160 Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  RSA5284  Ceanothus crassifolius Carl B. Wolf 1932-12-19 4435 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  RSA703699  Ceanothus crassifolius var. crassifolius Fred M. Roberts, Arthur Davenport 2004-2-20 6026 Orange Santa Ana Mtns.: San Juan Canyon, SR 74, south side of road, 0.62 km SW San Lower San Juan Picnic Ground; 1.89 km WNW Sitton Peak. 390 Comment
  RSA399913  Ceanothus integerrimus Albert J. Perkins 1918-5-25 s.n. Orange Santiago Peak. Comment
  RSA542418  Ceanothus integerrimus Fred M. Roberts, Karlin G. Marsh 1987-5-14 3440 Orange Santa Ana Moutains: Upper Trabuco Canyon, Trabuco Canyon Trail , 1.3 km NE Los Pinos Peak 1231 Comment
  UC1070733  Ceanothus integerrimus A. Lewis 1934-5-1 420 Orange Trabuco Elsinore quad., Cleveland National Forest 1341 Comment
  SEINET13945958 Image available Ceanothus integerrimus S. Lambert 1981-1 1958 Orange Cleveland Nat'l Forest, 15.6 mi E of hwy. 5 by hwy 74, roadside, 1350 ft elev. 411 Comment
  UC1070860  Ceanothus leucodermis A. Lewis Mar 1934 371 Orange Mojeska Peak Corona quad., Cleveland National Forest 1524 Comment
  LA93870  Ceanothus megacarpus D. S. Verity; Fred Lang 1974-2-20 sn Orange hills behind South Laguna Comment
  RSA12375  Ceanothus megacarpus Carl B. Wolf 1934-3-21 5577 Orange Santa Ana River, Santa Ana Canyon, 1/2 mi. S.W. of Mexican Houses, Rancho Santa Ana. 122 Comment
  SD130284  Ceanothus megacarpus B. Pitzer 1987-4-24 505 Orange 0.5 mile N of State Hwy 91, off Gypsum Canyon Rd., river at N side of stable. 120 Comment
  SBBG4381  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
  OBI10429  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1935-6-19 7234 Orange Santa Ana Mts, Main Divide Motorway jctn with Trabuco Cyn truck trl Comment
  LA44923  Ceanothus oliganthus var. sorediatus W. Pequegnat; 1938-3-19 sn Orange Holy Jim Trial 944 Comment
  RSA748818  Ceanothus palmeri G. Gust, L. Nye 2005-3-12 563 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  RSA399811  Ceanothus papillosus var. roweanus Albert J. Perkins 1917-4-21 s.n. Orange Santiago Peak. South side. Comment
  RSA16580  Ceanothus spinosus Percy C. Everett 1935-6-19 7241 Orange Trabuco Canyon, 0.8mi below (W) forest service patrol station 488 Comment
  RSA77487  Ceanothus spinosus F. W. Peirson 1925-4-10 5742 Orange In Silverado Canyon. 610 Comment
  UCSB48024  Ceanothus spinosus Roberts, Fred 1981-4-11 Orange Santa Ana Mtns.: San Juan Canyon, hwy. 74, 3.7km E San Juan Guard Station 114 Comment
  JEPS42109  Ceanothus tomentosus John Thomas Howell 1927-6-26 2608 Orange just w Sierra Peak (head of Calymine Canyon); Santa Ana Mountains Comment
  SD248305  Cenchrus longisetus R. E. Riefner Jr. 2013-2-11 13 41 Orange City of Laguna Beach, vicinity of Pacific Coast Highway and Montage Resort Drive. 29 Comment
  CAS-BOT-BC277101  Centaurea melitensis John Thomas Howell 1927-6-20 2558 Orange On north side of Santa Ana Canon [Canyon] 228 Comment
  CAS-BOT-BC277102  Centaurea melitensis Ira L. Wiggins 1966-5-25 20663 Orange Along Nutwood Lane, south margin of campus of CSCF, Fullerton Comment
  CLARK-A1528-916  Centaurea melitensis Patricia A. Andrews 1975-6-25 5927 Orange Capistrano Bay Beach 9 Comment
  RSA647885  Centaurea melitensis Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 35 Orange 1000 ft. northwest of Chino Hills State Park Boundary. 243 Comment
  SEINET10842519  Centaurea melitensis Melvin L. Conrad, David B. Dunn 1973-6-13 Conrad 7129 Orange In vicinity of Laguna Beach. 152 Comment
  RSA80651  Centaurium venustum P. A. Munz, E. K. Balls 1952-8-19 17927 Orange El Cariso Camp Ground W of Ortega summit, Santa Ana Mts. Comment
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Nov 1 2013
  RSA761931  Centaurium venustum Suzanne Espino 2005-4-26 2 Orange Santa Ana Mountains, Caspers Wilderness Park, East Ridge Trial. Near water tank at E. 168 Comment
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Jun 6 2020
  CAS-BOT-BC288840  Centromadia parryi subsp. australis D. Bramlet 1990-11-3 2064 Orange On the W side of Upper Newport Back Bay, some 50 m NW of the Delhi channel, approx 100 m SE of the end of University Drive and is located just above an alkaline marsh area 23 Comment
  RSA0037255  Centromadia parryi subsp. australis Sandy Leatherman, Melissa Riedel-Lehrke 2013-5-21 2013 -6 Orange Coastal Plains & Basins; South Coastal Plain region: South Orange County, 1.4 miles east of the intersection of Antonio Parkway and Crown Valley Parkway, in the undeveloped foothills. 146 Comment
  UCR191437  Cerastium glomeratum A. C. Sanders, Fred M. Roberts 2008-4-8 34731 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, head of Hicks Canyon, S of Santiago Reservoir 351 Comment
  UCR100180  Cercocarpus betuloides Scott D. White 1996-12-20 4637 Orange Santa Ana Mountains, above Modjeska Canyon; proposed water tank site 488 Comment
  UC1234770  Cercocarpus betuloides var. betuloides Peter H. Raven 1962-5-18 17753 Orange about 1 mi n of Santiago Peak (Main Divide Truck Trail); Santa Ana Mountains, Main Divide Truck Trail 1493 Comment
  SBBG128666  Cercocarpus betuloides var. betuloides R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49704 Orange Sierra Peak; Santa Ana Mtns 900 Comment
  UCR138390  Chaenactis glabriuscula Scott D. White, Brian Leatherman 1997-6-12 5344 Orange Santa Ana Mtn. foothills, E of San Juan Capistrano: San Juan Creek between Hwy 74 bridge and Mission Vieja site, i.e. c. 2-4 mi east of Hwy I-15/Hwy 74 junction 76 Comment
  RSA731964  Chaenactis glabriuscula A. Sanders, Fred M. Roberts 2008-4-22 34989 Orange Lomas de Santiago, lower Hicks Canyon haul road, just above Irvine Ranch gate and road to cement plant, c. 1 mi. NE of Rattlesnake Reservoir. 213 Comment
  RSA678495  Chaenactis glabriuscula var. glabriuscula Fred M. Roberts, Robert L. Allen, Carol Roberts 5847 Orange Dana Point Headlands: 0.8 km SSW Richard Henry Dana School north of Marguerita Drive 76 Comment
  SEINET2028558 Image available Chaenactis glabriuscula var. orcuttiana Fay A. MacFadden 1931-3-1 2969 Orange Laguna Beach Comment
  CDA21594  Chamaesyce albomarginata Mark A. Elvin, B. S. Herhus 2006-11-4 5255 Orange Southern Coastal; Huntington Beach; 1.5 km southwest of Wintersburg, southwest of junction Slater and Goldenwest; Shipley Nature Center. 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
  RSA602208  Chamaesyce maculata L. C. Wheeler 1945-5-20 6047 Orange Rancho Santa Ana Botanic Garden: In front of assembly hall. Comment
  POM2789  Chamaesyce polycarpa var. polycarpa D. L. Crawford 1916-5-5 s.n. Orange Laguna Beach. Comment
  RSA797474  Cheilanthes newberryi R. F. Thorne 1977-11-21 49987 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  RSA685771  Cheilanthes newberryi T. R. Pray 1961-2-14 1825 Orange San Juan Canyon along Ortega Hwy, near bridge just west of Cleveland National Forest Comment
  IRVC14987  Chenopodium album Anonymous 1976-10-28 Orange Nieblas School. Fountain Valley 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
  RSA5936  Chenopodium album C. B. Wolf 1932-7-7 3838 Orange Bryant Ranch, along drainage ditch on Bixby Ave.; 100 ft. W. of Hansen Rd.; 100 ft W of corner of NE 1/4 9 Comment
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Apr 9 2014
  IRVC29696  Chenopodium ambrosioides Mark A. Elvin, Barry S. Nerhus 2006-11-4 5246 Orange Huntington Beach; 1.5 km SW of Wintersburg, SW of jct Slater and Goldenwest; Shipley Nature Center. Southern Coastal 1 Comment
  JEPS59701  Chenopodium ambrosioides L. M. Booth 1932-7-25 1312 Orange Coastal Santa Ana River Comment
  RSA712937  Chenopodium ambrosioides Fred M. Roberts 2005-10-3 6302 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano. 27 Comment
  RSA750005  Chenopodium ambrosioides A. C. Sanders, Fred M. Roberts 2008-9-18 36062 Orange Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 320 Comment
  RSA798190  Chenopodium ambrosioides R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49589 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UC536960  Chenopodium ambrosioides Lawrence M. Booth 1932-7-25 1312 Orange 1 1/2 mi from ocean; Santa Ana River Comment
  CDA25887  Chenopodium berlandieri T. McCrainie, Mark A. Elvin 2006-9-23 3 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
  UCR192993  Chenopodium berlandieri A. C. Sanders, Fred M. Roberts 2008-5-6 35218 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon near Irvine Ranch gate and road junction to cement plant 180 Comment
  POM122892  Chenopodium berlandieri var. sinuatum Marcus E. Jones 1924-8-26 s.n. Orange Newport. Comment
  SD251215  Chenopodium berlandieri var. sinuatum R. F. Thorne, C. W. Tilforth and E. W. Lathrop 1977-4-27 49647 Orange Northern Santa Ana Mountains: Coal Canyon, northwest of Sierra Peak. Comment
  RSA678739  Chenopodium californicum Fred M. Roberts, Carol A. Roberts, Robert Allen 2003-5-11 5856 Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive 76 Comment
  RSA687520  Chenopodium californicum Fred M. Roberts, D. E. Bramlet 2003-4-10 5648 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, ridge between Cristianitos Cyn. and Segunda Deshecha Canada, 1.54km W Gato Gate and 1.59km NW Edison substation. 262 Comment
  CDA35060  Chenopodium chenopodioides Mark A. Elvin, B. S. Nerhus 2006-11-4 5249 Orange Southern Coastal; Huntington Beach; 1.5 km southwest of Wintersburg, southwest of junction Slater and Goldenwest; Shipley Nature Center. Comment
  UCR136806  Chenopodium macrospermum A. C. Sanders, Mark A. Elvin 2003-11-9 27366 Orange Southern Coastal Slope, Irvine, San Joaquin Marsh adjacent to UCI Arboretum, UCI campus near intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  IRVC385  Chenopodium murale McGuire 1965-4-17 Orange Corona del Mar. Newport Beach Comment
  SD218311  Chenopodium murale Mark A. Elvin 2004-5-2 3403 Orange San Joaquin Freshwater Marsh near Campus and University Drs., 1.7 km (air) NNW UC Irvine campus center. 3 Comment
  UCR154290  Chenopodium murale Mark A. Elvin 2004-5-2 3403 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  UCR99873  Chenopodium murale Scott D. White 1993-3-5 1113 Orange Tustin. Marine Air Corps Air Station: SE of Red Hill Ave and NE of Barranca 15 Comment
  RSA650315  Chenopodium murale Norman Willis 1948-2-8 s.n. Orange 2 miles E of Orange 60 Comment
  UCR61247  Chlorogalum parviflorum Jeri Hirshberg 1988-7-7 s.n. Orange Santa Ana Mountains, Upper Blind Canyon, W-facing slopes below the transmission tower. Comment
  CSUSB404  Chlorogalum pomeridianum Cesareo Perez 1971-5-18 Orange South Mesa Drive & Lemon Street, in Villa Park. Comment
  RSA260445  Chlorogalum pomeridianum Carl B. Wolf 1932-7-2 3828 Orange Carbon Canyon, 0.5 mile above La Vida Springs. 244 Comment
  RSA588983  Chorizanthe procumbens D. E. Bramlet 1994-6-2 2379 Orange San Joaquin Hills. On ridgeline north of Little Sycamore Canyon. The site is located 244m NE of Little Sycamore Canyon and 488m west of Laguna Cyn. Road. 165 Comment
  RSA739343  Chorizanthe procumbens Keith E. Hoffmaster 1935-4-19 298 Orange Santiago can. near Silverado ca., Santa Ana Mountains. Comment
  CAS-BOT-BC255249  Chorizanthe staticoides Helen D. Geis 1902-1-1 542 Orange Hills near Santa Ana Comment
  CAS-BOT-BC255251  Chorizanthe staticoides P. C. Everett 1935-4-29 6711 Orange Santa Ana Canyon, 7/10 mile W of Esperanza 152 Comment
  CAS-BOT-BC255252  Chorizanthe staticoides Helen D. Geis 1902-1-1 542 Orange Santa Ana Comment
  JEPS57639  Chorizanthe staticoides Lawrence M. Booth 1932-5-12 1031 Orange Newport Bay. Comment
  POM293159  Chorizanthe staticoides Lyman Benson 1946-4-27 12049 Orange Corona Del Mar; Drainage area: Pacific Ocean. 15 Comment
  POM50441  Chorizanthe staticoides L. R. Abrams 1901-06 1807 Orange Mt. Santiago 915 Comment
  RSA392687  Chorizanthe staticoides M. B. Dunkle 1938-6-23 5378 Orange San Juan Canyon. Comment
  RSA542528  Chorizanthe staticoides Fred M. Roberts, G. A. Marsh, K. G. Marsh 1988-4-26 3942 Orange San Joaquin Hills: Pelican Hill, 0.5 kim SE Summit. 165 Comment
  RSA584709  Chorizanthe staticoides Fred M. Roberts, Scott Wade 1989-6-21 4390 Orange San Joaquin Hills: Pelican Hill, c.a. 0.4km ESE summit. 194 Comment
  RSA698367  Chorizanthe staticoides Kenneth Beard s.n. Orange East of Irvine Park. Comment
  SD134404  Chorizanthe staticoides Craig Reiser 1992-6-11 Orange Laguna Niguel, ridge NE of intersection of Crown Valley Parkway and Pacific Island Drive Comment
  UC1607969  Chorizanthe staticoides Donald G. Nelson 1936-6-5 433 Orange hills n.e. Fullerton 91 Comment
  UCR16544  Chorizanthe staticoides P. Healy 1968-5-11 s.n. Orange South Coastal Plains Region, Cameo Shores Rd., Corona del Mar 18 Comment
  IRVC27934  Chrysanthemoides monilifera A. C. Sanders, Mark A. Elvin 2003-10-12 27324 Orange Irvine; UCI Arboretum, UCI campus near intersection of Jamboree Blvd and Campus Dr. Southern Coastal 15 Comment
  RSA782060  Chrysanthemum coronarium Mark A. Elvin 2003-2-23 2311 Orange Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  UCR100460  Chrysanthemum coronarium B. G. Pitzer 1996-4-30 2763 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  RSA741480  Chrysanthemum coronarium R. E. Riefner 2008-5-22 09 -113 Orange Near City of Orange, Santiago Creek, vicinity of Hangman's Tree Canyon, Santiago Creek Rd., Irvine Ranch Reserve, Management Area 15. Comment
  POM11896  Cirsium arvense Johnson, Ethelbert 1922-6-12 s.n. Orange Kalisco, east of Huntington Beach Comment
  CAS-BOT-BC280089  Cirsium occidentale var. californicum John Thomas Howell 1927-6-26 2593 Orange Claymine Canon [Canyon], n. Santa Ana Mts. 243 Comment
  CAS-BOT-BC280090  Cirsium occidentale var. californicum A. M. White 1974-6-1 1412 Orange About 20 mi. E. of Santa Ana, N of Silverado Canyon Comment
  IRVC617  Cirsium occidentale var. occidentale C. Orr 1965-3-27 Orange Trabuco Road, 3mi E El Toro Marine Base. El Toro Comment
  CAS-BOT-BC285735  Cirsium vulgare Ira L. Wiggins 1965-11-3 20311 Orange East side of California State College at Fullerton campus, near Placentia Avenue, Fullerton Comment
  RSA752816  Cirsium vulgare A. C. Sanders, Fred M. Roberts 2008-8-7 36000 Orange Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
  SDSU3806  Cirsium vulgare Curtis B. Kendall 1994-5-18 18 V94F Orange Intersection of Bell Canyon Road and North Prusker Road in he National Audubon Starr Ranch Sanctuary. 268 Comment
  CAS-BOT-BC172419  Clarkia bottae Munz; Street; Williams 1919-5-3 2647 Orange Santa ana river Canyon Comment
  RSA458856  Clarkia bottae N. C. Cooper 1944-6-4 1347 Orange San Juan Canyon. 152 Comment
  RSA5466  Clarkia bottae Carl B. Wolf 1932-7-2 3825 Orange Carbon Canyon, 1/8 mile below La Vida Springs 213 Comment
  UCR210037  Clarkia bottae R. E. Riefner Jr. 2000-6-30 20- 597 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
  SEINET8726152 Image available Clarkia elegans Jean Coulson 1959-1 s.n. Orange Disneyland, Orange County, California. Found in painted Desert at entrance to Rainbow mines. Comment
  POM3064  Clarkia epilobioides Daniel J. Crawford 1916-07 s.n. Orange Near Laguna. Comment
  RSA688983  Clarkia purpurea Fred M. Roberts, D. E. Bramlet 2003-4-10 5641 Orange Rancho Mission Viejo: Donna O Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate. 216 Comment
  POM256966  Clarkia purpurea subsp. quadrivulnera W. Pequegnat 1940-6-15 s.n. Orange Santa Ana Mountains: Modjeska Flat. 1372 Comment
  RSA448295  Clarkia purpurea subsp. quadrivulnera N. C. Cooper 1944-6-4 1332 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA637490  Clarkia purpurea subsp. quadrivulnera Valerie L. Soza, LeRoy Gross 1999-6-8 507 Orange Santa Ana Mountains: Santiago and Modjeska Canyons, above Tucker Wildlife Sanctuary, above the town of Modjeska 518 Comment
  RSA0036754  Claytonia perfoliata Sandy Gray 1981-04 15 Orange Carbon Canyon Rd./Hwy 142. 3 miles west of Cavida near Sleepy Hollow, Chino - then east 3 miles.. Comment
  CAS-BOT-BC439946  Claytonia perfoliata subsp. mexicana Helen D. Geis 1904-4-1 742 Orange Silverado Canon [Canyon], Santa Ana Mountains Comment
  UCR241062  Claytonia perfoliata subsp. perfoliata Dick Newell, Don Millar 2013-2-5 314 Orange Peninsular Range; Santa Ana Mtns., mouth of Fremont Canyon at mouth, 1/2 mi. NE of Irvine Dam spillway 213 Comment
  UC1178494  Clematis lasiantha Peter Kamb 1948-6-19 1106 b Orange s.e. slope Santiago Peak; Santa Ana Mts., Orange-Riverside Counties 1219 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
  UCR250860  Clematis lasiantha Dick Newell, Judy Booth 2014-2-16 353 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Long Canyon Rd., 0.25 mi. east of El Cariso Hot Shot Camp 905 Comment
  CHSC116476  Clematis lasiantha R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49689 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  LA207182  Clematis ligusticifolia Jwaiser; 1952-3-10 sn Orange San Juan Capistrano 457 Comment
  CAS-BOT-BC92807  Clematis pauciflora Munz; Street; Williams 1919-5-3 2651 Orange Santa Ana River Canon [Canyon]. Comment
  LA207215  Clematis pauciflora W. E. Pequegnat; August 1937 58 Orange Santa Ana Mts Comment
  RSA747621  Clematis pauciflora Fred M. Roberts 2008-4-16 6904 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8 km W Marine Institute, Dana Point Harbor. 45 Comment
  RSA303537  Cleome isomeris J. R. Shevock 1970-9-17 505 Orange Bolsa Chica Beach heights. 8 Comment
  RSA449087  Cneoridium dumosum Thekla Mohr 1920-6-1 s.n. Orange Laguna. Comment
  RSA449089  Cneoridium dumosum Thekla Mohr 1517 Orange Laguna. Comment
  RSA542394  Cneoridium dumosum Fred M. Roberts Jr. 1984-2-4 1173 Orange Temple Hill: Upper Hobo Canyon, 1.2km NNE Goff Island; 2.4km S Top of the World School. 200 Comment
  UCR191230  Collinsia concolor A. C. Sanders, Fred M. Roberts 2008-4-22 35026 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  POM88657  Collinsia heterophylla Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon. Comment
  RSA542502  Collinsia heterophylla Bernard Jaroslow 1989-5-29 B- 28 Orange Above upper Santiago Creek. Comment
  RSA542503  Collinsia heterophylla Bernard Jaroslow 1989-5-29 B- 27 Orange Santiago Canyon: Along the Morrow Trail out of Live Oak Canyon, below truck trail. Comment
  RSA587867  Collinsia heterophylla Fred M. Roberts Jr. 1990-5-22 4635 Orange Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School. 24 Comment
  RSA564111  Collinsia heterophylla var. austromontana B. Pitzer, S. Hemstreet 1992-5-27 1954 Orange Cleveland National Forest. Along road (3S04) to Blue Jay Group Campground, off State Hwy 74 (Ortega Hwy). Approx. 2 mi. (airline) W of El Cariso Campground. 762 Comment
  UCD169757  Comarostaphylis diversifolia subsp. diversifolia R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49607 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. 290 Comment
  RSA0051387  Comarostaphylis diversifolia subsp. diversifolia Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49607 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Comment
  CDA21600  Conium maculatum Mark A. Elvin, B. S. Herhus 2006-11-4 5254 Orange Southern Coastal; Huntington Beach; 1.5 km southwest of Wintersburg, southwest of junction Slater and Goldenwest; Shipley Nature Center. Comment
  RSA226637  Conium maculatum Christopher Davidson, G. Benny 1971-6-15 1544 Orange Brea Canyon, 0.5 mile N of Central Avenue, along Brea Creek, near Brea Oil Co. wells. Comment
  RSA657742  Conium maculatum Ken Greby 1985-4-18 7 Orange N side of Laguna Canyon Rd., 1 km NE of El Toro Rd. 53 Comment
  IRVC969  Convolvulus arvensis L. Stilgenbauer 1965-5-5 Orange Corona del Mar High School. Newport Beach Comment
  RSA643432  Convolvulus arvensis R. D. Goeden, D. W. Ricker 1965-6-15 s.n. Orange NW of El Toro: Tustin Township, near Borrego Canyon Wash, SE edge of El Toro M.C. Air Station. 107 Comment
  RSA653183  Convolvulus arvensis David Barrios 1991-5-1 16 Orange Yorba Linda, 1500 ft. northwest of Fairmont Ave and Quail Circle., (117 deg. 45' 00'' +4 28 / 33 deg. 52' 37'' + 37 51.5). 365 Comment
  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
  UCR97074  Convolvulus arvensis Scott D. White 1993-4-28 1281 Orange Pacific slope, Tustin Marine Corps Air Station, NW of Peters Canyon Channel, between Moffett Dr. & Warner Comment
  RSA697150  Convolvulus arvensis Anonymous s.n. Orange Santa Ana Comment
  RSA0045317  Convolvulus occidentalis G. Jentges 1932-4-9 s.n. Orange Hillsides near Orange Park Acres. Comment
  IRVC15625  Convolvulus simulans Karlin G. Marsh 1977-6-8 Orange south of UCI campus near parking lot 18. Irvine Comment
  UCR267211  Convolvulus simulans Fred M. Roberts, Megan Lulow 2009-3-18 7136 Orange Santa Ana Mtns., LOMAS DE SANTIAGO: Loma Ridge, Lower Hicks Canyon, about 350 meters from south side of Haul Road, 1.9 km E Rattlesnake Cyn. Reservoir Dam and 2.1 km W Bee Peak 172 Comment
  RSA232215  Conyza canadensis James Henrickson 1970-8-22 5296 Orange 2.5 miles NNW of Huntington Beach. 0 Comment
  IRVC23904  Conyza coulteri Fred M. Roberts 1985-8-19 2127 Orange Mission Viejo: lateral to Engilish Canyon along Vista de Lago Drive; 3.4km ENE El Toro Fire Station. Southern Coastal 218 Comment
  RSA743520  Conyza coulteri Fred M. Roberts, Carol A. Roberts 2008-9-28 7111 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5 km W Marine Institute (Dana Point Harbor). 75 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
  RSA731654  Conyza floribunda Fred M. Roberts 2007-10-29 6625 Orange Laguna Beach: Temple Hill, Nyes Place, ca. 0.2 km S Moulton Meadows Park. 232 Comment
  UCR193374  Cordylanthus rigidus A. C. Sanders, Joshua M. Brokaw 2008-5-28 35428 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
  RSA7460  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1933-8-24 5378 Orange 1/2 mile below summit of Bedford Motorway, east slope of Santa Ana Mountains. 976 Comment
  CHSC114117  Cordylanthus rigidus subsp. setiger Sandy Leatherman 2011-7-2 2011 -20 Orange Peninsular Ranges; Chino-Puente Hills region: 50 meters west of Carbon Canyon Road and Lions Canyon Road in the City of Brea; UTM Zone 11S; 427559.41E 3756239.97N. 274 Comment
  UCR239652  Coreopsis gigantea Fred M. Roberts 2012-5-4 7546 Orange San Joaquin Hills, Buck Gully, along San Joaquin Hills Road, just west of Harbor Watch Park, 2.9 km west of Signal Peak 174 Comment
  CAS-BOT-BC101295  Corethrogyne filaginifolia David D. Keck 1932-9-30 1908 Orange Dana Point, near San Juan Capistrano Comment
  CAS-BOT-BC101297  Corethrogyne filaginifolia Marcus E. Jones 1924-8-26 s.n. Orange Newport Comment
  UC536949  Corethrogyne filaginifolia Lawrence M. Booth 1932-7-29 1332 Orange Newport Bay Comment
  CLARK-A1528-1790  Corethrogyne filaginifolia var. virgata John C. Roos 1937-9-1 2519 Orange Laguna Beach Comment
  RSA703091  Corethrogyne filaginifolia var. virgata Fred M. Roberts, Arthur Davenport 2003-9-11 6004 Orange Rancho Mission Viejo: Donna O' Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road. 126 Comment
  UCR195024  Cortaderia A. C. Sanders, Fred M. Roberts 2008-8-7 35978 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
  UCR193758  Cotula australis A. C. Sanders, Fred M. Roberts 2008-7-3 35712 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Weir Canyon Rd. 1.2 mi. SSE of Walnut Canyon Reservoir, below Upper Blind Canyon Rd. 212 Comment
  CAS-BOT-BC287224  Cotula australis Ira L. Wiggins 1966-2-5 20423 Orange Fairgrounds, Costa Mesa Comment
  RSA0045565  Cotula australis Keith E. Hoffmaster 1927-2-12 1143 Orange Santa Ana. Comment
  CAS-BOT-BC291359  Cotula coronopifolia L. Street 1917-5-12 1928 Orange San Juan Capistrano Comment
  HSC94229  Cotula coronopifolia D. Atwood 1993-3-29 17728 Orange Huntington Beach along Beach Blvd., 0.5 mi. N of the beach Comment
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Jul 14 2012
  UCR100452  Cotula coronopifolia B. G. Pitzer 1996-4-30 2774 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 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
  CAS-BOT-BC427772  Crassula connata Ira L. Wiggins 1966-2-12 20429 Orange N. side of La Palma Ave. near Harbor Blvd., Anaheim. Comment
  IRVC9154  Crassula connata C. Leavell 1966-3-16 61 Orange El Toro Rd. near Post Office; in open field. El Toro Comment
  SEINET6911850  Crassula connata var. connata W. P. Vestal, A. G. Vestal 1955-3-24 3452 Orange Trabuco Canyon about 5 miles east of El Toro. Comment
  UCR162199  Crassula tillaea Robert DeRuff 1995-1 476 Orange Southern Coast, Newport Beach, Upper Newport Back Bay, bluff top above and southerly of San Joaquin Hills Road 91 Comment
  RSA609048  Cressa truxillensis L. C. Wheeler 1932-6-25 864 Orange Newport Bay Comment
  RSA0011252  Croton californicus Fred M. Roberts, Lee Ann Caranza 2006-10-25 6454 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  UCSB52909  Croton setiger Roberts, Jr., Fred 1984-8-14 Orange Santa Ana Mtns.; Chiquito Basin Trail, ridge between Chiquito Basin and Lion Canyon, 2.6 km. SSE Los Pinos Peak; 1.3 km. SSW Blue Jay Campground 885 Comment
  UCR197692  Crypsis schoenoides A. C. Sanders, Fred M. Roberts 2008-9-18 36076 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  RSA638966  Cryptantha clevelandii Valerie L. Soza, LeRoy Gross 1999-6-7 479 Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  RSA586740  Cryptantha clevelandii R. E. Riefner 1994-5-22 94 -379 Orange W Terrce area of San clemente State Beach along Calafia road. Comment
  UCR263635  Cryptantha clevelandii var. clevelandii Ed Kentner 2012-4-24 130 Orange Peninsular Range: Santa Ana Mountains, Lomas De Santiago, El Toro property 200 Comment
  IRVC22194  Cryptantha intermedia Fred M. Roberts 1985-4-8 1632 Orange San Joaquin Hills, Turtle Rock area, hill 1.1km SE French Hill, Irvine 196 Comment
  JEPS22385  Cryptantha intermedia John Thomas Howell 1927-6-5 2435 Orange Santa Ana Canyon 152 Comment
  RSA734012  Cryptantha intermedia A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34621 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir. 366 Comment
  UC1294015  Cryptantha intermedia E. K. Balls 1958-6-27 23287 Orange Santiago-Mojeska Saddle Santa Ana Mts. 1463 Comment
  UCR203980  Cryptantha intermedia Fred M. Roberts 2008-3-12 6716 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  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
  RSA681022  Cryptantha microstachys Fred M. Roberts, D. E. Bramlet 2003-3-13 5584 Orange Donna O Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 207 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
  UCR191223  Cryptantha microstachys A. C. Sanders 2008-4-29 35127 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 Comment
  UCR209382  Cryptantha microstachys Fred M. Roberts, Linda Farley 2008-3-28 6825 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon 427 Comment
  IRVC15122  Cryptantha muricata var. muricata A. S. Boughey 1968-4-23 204 Orange Black Star Canyon, .5mi below Hidden Ranch; area burned this winter. Santa Ana Mountains 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
  RSA696062  Cucurbita foetidissima Keith E. Hoffmaster 1928-5-23 s.n. Orange San Onofre. Comment
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Nov 19 2013
  UCR140973  Cupressus arizonica June Latting 1973-6-30 s.n. Orange Santa Ana Mountains, Beeks Place, south of Oak Flat 854 Comment
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Mar 28 2014
  CAS-BOT-BC80570  Cupressus forbesii James R. Shevock 1972-1-16 1332 Orange Silverado Cyn, near Summit; Santa Ana Mts. 1371 Comment
  RSA14145  Cupressus forbesii R. C. Bacigalupi 1935-6-22 2354 Orange Head of Clay Mine Canyon on drainage of Santa Ana River, northern end of Santa Ana Mountains Comment
  RSA352379  Cupressus forbesii C. B. Wolf 1935-1-2 6278 Orange Slopes of Sierra Peak, west of Claymine Canyon, along road to Peak. 670 Comment
  RSA648650  Cupressus forbesii Richard E. Riefner 2000-8-3 20 -707 Orange NCCP North Ranch Policy Plan Area. E of Main Divide Road and Windy Ridge cypress forest. 534 Comment
  UCR119297  Cupressus forbesii R. E. Riefner Jr. 2000-1-18 20- 101 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Main Divide Road, top of Gypsum Canyon at Windy Ridge 518 Comment
  SEINET10531083  Cupressus forbesii Carl B. Wolf 1935-1-2 Wolf 2319 Orange Santa Ana Mts. Slopes of Sierra Peak, W of Claymine Canyon along Road to peak. Upper Sonoran:- Adenostoma, Cypress. Open N.W. slope. Reddish sandtone. 670 Comment
  SEINET10531085  Cupressus forbesii Carl B. Wolf 1935-1-2 Wolf 2320 Orange Santa Ana Mts. Slopes of Sierra Peak W of Claymine Canyon along road to peak. Upper Sonoran:- Adenostoma, Cypress. Open N.W. slope, reddish sandstone. 670 Comment
  NY16664  Cupressus guadalupensis var. forbesii C. B. Wolf 1935-1-2 6279 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET905825  Cuscuta R. J. Barr 1967-1 67 -176 Orange East of el Toro, Santa Ana Mountains. 182 Comment
  RSA562766  Cuscuta californica Steve Boyd, Timothy S. Ross 1992-5-19 7420 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
  UCR230836  Cuscuta californica Dick Newell, Don Millar, Shara Harris 2011-6-21 185 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agua Chinon Wash 207 Comment
  UCR258625  Cuscuta campestris Fred M. Roberts 2014-7-25 7890 Orange South Coast, SAN JOAQUIN HILLS: Upper Laguna Canyon, Laguna Lake 1 (Upper Laguna Lake), north basin, c.a. 5.1 kn ENE summit Signal Hill. Laguna Coast Wilderness Park 113 Comment
  RSA545240  Cuscuta ceanothi R. F. Thorne 1967-08 41893 Orange Trabuco Canyon. Comment
  RSA708819  Cuscuta pentagona Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6170 Orange Bolsa Chica Salt Marsh: along Pacific Coast Highway, trail NW of parking area, c.a. 2.2km SE jct. Warner Street and 1.6km SE Chica Bench Mark. 2 Comment
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Jan 2 2017
  RSA201912  Cuscuta salina L. M. Booth 1933-10 s.n. Orange Newport Comment
  RSA394863  Cuscuta salina Anstruther Davidson 1907-9-1 1772 Orange Newport Comment
  RSA725468  Cuscuta subinclusa Fred M. Roberts, Megan Lulow 2007-7-30 6550 Orange Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area. 253 Comment
  UCD169765  Cuscuta subinclusa R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49627 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station. 214 Comment
  UCR193783  Cuscuta subinclusa A. C. Sanders, Fred M. Roberts 2008-7-3 35679 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation Corridor 415 Comment
  RSA0036642  Cuscuta subinclusa Robt. Allen 2007-8-11 s.n. Orange Peninsular Ranges; Santa Ana Mountains region: Western arm of Modjeska Peak, at junction of North Main Divide Road and road spur to the summit. 1531 Comment
  SD245332  Cuscuta subinclusa Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49627 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station. Comment
  UCD54451  Cuscuta subinclusa R. Keith Glenn 1973-8-27 s.n. Orange 1 mile north of Barranca Rd. off Sand Canyon Rd. Comment
  UCR108380  Cycloloma atriplicifolium L. C. Wheeler 1946-9-28 6377 Orange Newport Bay: Near Point where main coast highway [Hwy 1?]crosses 2 Comment
  SEINET8728687 Image available Cycloloma atriplicifolium Peter H. Raven 1961-1 16848 Orange Santa Ana River bed at Anaheim Street crossing, Anaheim 61 Comment
  CAS-BOT-BC299752  Cynara cardunculus Carl B. Wolf 1936-7-8 8100 Orange Western end of Newport Bay, Coast Highway 9 Comment
  CAS-BOT-BC299756  Cynara cardunculus M. L. Conrad; D. B. Dunn 1973-6-13 7133 Orange Vicinity of Laguna Beach 152 Comment
  CAS-BOT-BC299751  Cynara cardunculus Louis C. Wheeler 1932-6-22 850 Orange 1/2 mile N Newport Bay 15 Comment
  SEINET10859119  Cynara cardunculus Charlene A. Bennett, David B. Dunn; Chester T. Dziekanowski 1976-7-20 Bennett 426 Orange Collected along Crown Valley Parkway, 1 mi. SW of I-5. 30 Comment
  RSA30240  Cynara cardunculus subsp. flavescens Elisabeth Norland 1942-8-12 11296 Orange 2 miles SW of Costa Mesa near jct of 17th Street and Hwy 101. Comment
  POM202596  Cynodon dactylon L. M. Booth 1932-5-25 1115 Orange Balboa Island [Newport Bay]. Comment
  RSA0042531  Cynodon dactylon Fred M. Roberts 2013-5-30 7778 Orange Lomas de Santiago: Santiago Creek wash, at Santiago Canyon Road bridge (south side), 0.3km W jct. Silverado and Santiago Canyon Roads. 299 Comment
  RSA759170  Cynodon dactylon A. C. Sanders 2008-5-28 35443 Orange Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  CAS-BOT-BC114565  Cyperus eragrostis Carl B. Wolf 1932-6-13 3721 Orange Fullerton, Malvern & Nicholas Aves. 53 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
  POM186293  Cyperus esculentus Joseph A. Ewan 1932-7-29 7725 Orange Santa Ana River near Costa Mesa. Comment
  UCR130158  Cyperus laevigatus Joseph A. Ewan 1931-10-3 5197 Orange Below La Vida Soda Springs, Carbon Canyon 213 Comment
  CAS-BOT-BC113820  Cyperus niger var. capitatus John Thomas Howell 1927-7-19 2800 Orange Santa Ana River Bottom, Santa Ana Canyon. 152 Comment
  RSA797602  Cyperus niger var. capitatus Robert F. Thorne 1977-11-21 49999 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  CAS-BOT-BC538087  Cyrtomium falcatum R. E. Riefner, Jr. 2012-1-16 12 -5 Orange City of Newport Beach, Corona Del Mar, beach area W of Morning Canyon Rd 1 Comment
  RSA0105083  Cyrtomium falcatum R. E. Riefner Jr. 2012-1-16 12 -5 Orange City of Newport Beach, Corona del Mar, beach area west of Morning Canyon Road. 1 Comment
  SEINET13203173 Image available Cyrtomium falcatum R. E. Riefner Jr. 2012-1 12 -19 Orange City of Dana Point, cliff and rocky intertidal area N 0.2 mi of Salt Creek lagoon. 9 Comment
  UCR240195  Cyrtomium falcatum R. E. Riefner Jr. 2012-1-16 12- 5 Orange South Coast, city of Newport Beach, Corona Del Mar, beach area west of Morning Canyon Road 1 Comment
  CDA20218  Dactyloctenium aegyptium R. Tiffer 2003-9-4 PDR 1256123 Orange Southwestern California; Santa Ana River bank in Anaheim. 0 Comment
  UCR240083  Datisca glomerata Dick Newell, Judy Booth 2012-6-3 266 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
  SD245348  Datisca glomerata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49563 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Along San Juan Creek. Comment
  POM201713  Datura stramonium L. M. Booth 1932-7-30 1345 Orange Santa Ana River Comment
  RSA0046822  Datura stramonium Jason Berkley 1994-5-10 27 Orange Carbon Canyon Regional Park, off face of dam, off the bike trail coming from Rose Dr. Comment
  IRVC17044  Daucus pusillus C. Thompson 1965-4-12 Orange Laguna Hills Comment
  RSA542444  Daucus pusillus Fred M. Roberts, Kathy Keane 1988-5-26 4004 Orange Rancho Mission Viejo: tributary to Trampas canyon, along Christianitos rd., 2.4 km ESE Viejo Survey mark. 128 Comment
  UCD127408  Daucus pusillus Lawrence M. Booth 1932-5-12 1033 Orange Newport Bay. Comment
  UCD127423  Daucus pusillus B. Pitzer 1996-4-30 2780 Orange Upper Newport Bay: California Department of Fish and Game Ecological Reserve off (west of) Jamboree Road. 6 Comment
  UCR192465  Daucus pusillus A. C. Sanders, Fred M. Roberts 2008-3-25 34533 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCSB48381  Deinandra fasciculata Roberts, Fred 1982-5-22 Orange Laguna Niguel; Niguel Hill, just N of end of Pacific Island Dr., 1.6 km. ENE Aliso Peak 295 Comment
  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
  CAS-BOT-BC9095  Delphinium cardinale John Thomas Howell 1927-7-26 2837 Orange SE fork of Claymine Canyon, northern Santa Ana Mtns. 304 Comment
  UCR132978  Delphinium parryi Adrian Wolf 2000-4-15 460 Orange Santa Ana Mtns., North Ranch Policy Plan Area, North Baker Canyon Road 335 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
  RSA221084  Delphinium patens subsp. hepaticoideum E. W. Lathrop 1966-3-23 6107 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  CAS-BOT-BC82947  Dendromecon rigida G. R. Campbell 1949-4-18 13449 Orange Santa Ana Mountains. Santiago Peak. Comment
  RSA5336  Dendromecon rigida subsp. rigida B. D. Stark 1933-1-4 4488 Orange Ridge above Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  RSA697421  Dentaria integrifolia Pomeroy 1929-2-10 62 Orange Black Star Canyon. Comment
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Feb 16 2013
  CAS-BOT-BC43188  Descurainia pinnata subsp. brachycarpa Helen D. Geis 1902-1-1 530 Orange Santiago Creek. Comment
  POM369419  Descurainia pinnata subsp. menziesii Albert J. Perkins 1921-3-15 s.n Orange Garden, Santa Ana. Comment
  RSA588707  Dicentra chrysantha Fred M. Roberts, Carol A. Roberts 1990-5-23 4643 Orange West Fork, Upper Long Canyon, near Main Divide Truck Trail, 4.5km SE Los Pinos Peak. 756 Comment
  POM172076  Dicentra ochroleuca Unspecified 1930-04 s.n. Orange Santa Ana Mts. Comment
  RSA732173  Dichelostemma capitatum A. C. Sanders, Fred M. Roberts 2008-3-25 34543 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR173401  Dichelostemma capitatum Abby Sirulnik 2000-4-11 59 Orange South Coast, Crystal Cove State Park, near Los Trancos Canyon and Pelican Hill 152 Comment
  UCR192475  Dichelostemma capitatum A. C. Sanders, Fred M. Roberts 2008-3-25 34543 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR67008  Digitaria sanguinalis A. C. Sanders 1990-10-6 10181 Orange Newport Bay, North Star County Beach Area on the SW end of the Bay, c. 2 km inland of Hwy 1. 3 Comment
  RSA0029994  Dimorphotheca fruticosa R. E. Riefner Jr. 2011-7-1 11 -79 Orange City of Newport Beach, beach area W. of Shorecliff Road and Cameo Shores Road. 2 Comment
  RSA0047115  Dinebra retroflexa var. 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
  CAS-BOT-BC150841  Diplacus puniceus F. W. Pennell; E. M. Harvey 1949-6-29 26803 Orange Ortega Highway, above San Juan Capistrano 365 Comment
  RSA0054846  Diplacus puniceus Anonymous s.n. Orange Laguna Canyon. Comment
  RSA17147  Diplotaxis muralis C. B. Wolf 1936-6-14 7942 Orange Rancho Santa Ana, Santa Ana canyon, Botanic Garden, around administration building. 198 Comment
  POM20994  Diplotaxis tenuifolia J. Valdes 1924-1-25 s.n. Orange Between Tustin and Santa Ana. Comment
  UCR2563  Distichlis littoralis F. M. Reed 1928-2-10 5713 Orange South Coast, Arch Beach -61 Comment
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Apr 18 2006
  RSA0120555  Distichlis littoralis Elisabeth Norland 1929-3-16 s.n. Orange Huntington Beach. Comment
  CAS-BOT-BC195673  Distichlis spicata John Thomas Howell 1927-6-17 2552 Orange Hills on north side of Santa Ana Canon [Canyon] 152 Comment
  HSC9634  Distichlis spicata J. W. Johnson 1961-2-19 Orange Newport Beach, marine terrace above upper Newport Bay. 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
  RSA0028028  Distichlis spicata Fred M. Roberts 2012-9-6 7701 Orange San Joaquin Hills: Buck Gully, Buck Gully Trail, about 1.8 kilometers NW Pelican Hill summit. 64 Comment
  RSA552948  Distichlis spicata Fred M. Roberts, R. E. Riefner 1989-5-2 4329 Orange Aliso-Wood Canyon Regional Park: Aliso Canyon, 3.4 kilometers SSE Moulton Peak., UTM 3711900m N, 432900m E 30 Comment
  RSA685922  Distichlis spicata Fred M. Roberts 2003-3-27 5632 Orange Rancho Mission Viejo:Donna O'Neill Land Conservancy, western slopes of Chistianitos Canyon, 0.25km N Sycamore Gate 0.13km W Cristianitos Road 116 Comment
  UCR158165  Distichlis spicata Adrian Wolf 1998-5-27 338 Orange South Coast, Newport Slough, south of oil fields, between Huntington Beach, Costa Mesa and Newport Beach, just south of the channelized mouth of the Santa Ana River 2 Comment
  UCR12589  Distichlis spicata var. stolonifera J. S. Davis 1972-5-6 720506- 20 Orange South Coast, Newport Beach, 100 yards from the corner of San Joaquin Hills Road and Back Bay Road. 0 Comment
  RSA542459  Dodecatheon clevelandii Fred M. Roberts 1988-3-15 3863 Orange Rancho Mission Viejo: Upper Gabino Canyon, 4.1 km SE Point Rancho Survey Marker. 191 Comment
  UCR107856  Dodecatheon clevelandii Scott D. White, Brian Leatherman 1998-1-26 6063 Orange Irvine, Univ. of Calif. Irvine Campus: Site of proposed Research Park. SW of main campus circle, c. halfway between Berkeley Avenue and new freeway (Bonita Cyn.) 37 Comment
  UCSB47976  Dodecatheon clevelandii Roberts, Fred 1980-2-17 Orange Along Dana Strand Rd., on the blufff west of Dana Marina (north side of road), Dana Point 56 Comment
  CAS-BOT-BC41654  Draba cuneifolia var. cuneifolia Carl B. Wolf 1932-2-17 2661 Orange Rancho Santa Ana Botanic Garden, just west Adensotoma sparsifolium bed. 182 Comment
  RSA722384  Drymocallis glandulosa var. wrangelliana Mabel Harvey s.n. Orange Trabuco Canyon. Comment
  IRVC123  Dryopteris arguta A. S. Boughey, P. Pembrook 1965-6-15 1042 Orange Santa Ana mtns: Silverado Cyn above Silverado. Peninsular Ranges Comment
  RSA739332  Dryopteris arguta Keith E. Hoffmaster 1934-4-22 37 Orange Santa Ana Mountains. Comment
  CAS-BOT-BC70836  Dryopteris arguta Carl B. Wolf; E. R. Johnson 1939-3-16 9492 Orange Santa Ana Mts., north side of Pleasant's Peak 1219 Comment
  UC1015141  Dudleya Reid Moran 1949-5-28 3257 Orange Alsio Canyon Laguna Beach Comment
  UC806723  Dudleya R. V. Moran 1948-6-23 3098 Orange s Laguna Beach (n facing cliff near mouth of Aliso Canyon) Comment
  UCR159830  Dudleya cymosa Valerie Soza, LeRoy Gross 1999-6-10 517 Orange Santa Ana Mountains, Southwestern extension of Modjeska Peak, off dirt road to summit, off Main Divide Road 1555 Comment
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Jun 15 2013
  CAS-BOT-BC428265  Dudleya edulis Cecil Hart 1928-5-27 s.n. Orange Laguna Beach Comment
  IRVC22733  Dudleya lanceolata Fred M. Roberts 1985-5-13 1788 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  IRVC25461  Dudleya lanceolata Fred M. Roberts 1987-4-21 3386 Orange Aliso Creek, Aliso Creek Bike Trail, 3.0km ENE Moulton Peak, Aliso Viejo 73 Comment
  POM265679  Dudleya lanceolata J. C. Roos 1937-5-21 2338 Orange Lemon Heights, near Santa Ana Comment
  RSA397796  Dudleya lanceolata Ella M. Kennedy 1923-5-14 s.n. Orange Laguna Beach. Comment
  RSA747701  Dudleya lanceolata Fred M. Roberts 2008-5-16 6974 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  UCR240090  Dudleya lanceolata Dick Newell, Don Millar 2012-5-22 254 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Hangmans Tree Rd. at Santiago Creek 350 Comment
  UCR59229  Dudleya lanceolata Robert McKernan 1989-5-18 s.n. Orange Santa Ana Mtns Foothills, Serrano Creek, 4 km north of Trabuco Rd. at the end of Lake Forest Rd. 6 km east of El Toro Military Base 274 Comment
  UC933285  Dudleya lanceolata Reid Moran 1950-5-12 3386 Orange Newport Bluffs Comment
  UCSB48002  Dudleya lanceolata Roberts, Fred 1980-7-11 Orange Santa Ana Mtns.: Viejo Canyon; 3.0 km. ENE San Juan Guard Station; 0.6 km. N Hwy. 74 353 Comment
  RSA649678  Dudleya multicaulis R. E. Riefner 2000-5-6 20 -407 Orange NCCP North Ranch Policy Plan Area: NE property; along powerline on National Forest boundary. 582 Comment
  RSA682601  Dudleya multicaulis Scott D. White, Amanda Duchardt 2003-3-27 8856 Orange Santa Ana Mountain Foothills: Canyon bottom and west facing slopes above Canada Gobernadora. 91 Comment
  SD114475  Dudleya multicaulis Darley F. Howe 1967-5-30 4362 Orange Hillside back of Laguna Beach. Comment
  UC338337  Dudleya multicaulis unknown Orange Newport Bay Comment
  UC792937  Dudleya multicaulis Reid Moran 1949-4-11 3216 Orange Emerald Bay Laguna Beach (Laguna Beach) 22 Comment
  UCR203895  Dudleya multicaulis R. E. Riefner Jr. 2008-3-5 08- 30 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, lower Lakeview SCE Road 274 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
  RSA13068  Dudleya pulverulenta P. C. Everett 1935-7-5 2361 Orange Rancho Santa Ana, Santa Ana Canyon hill N of Grapefruit orchard 152 Comment
  UCR238166  Dudleya pulverulenta subsp. pulverulenta Mark A. Elvin, Peter A. Bowler 2003-6-28 2956 Orange Southern Coast, Irvine, San Joaquin Freshwater Marsh, adjacent to UCI campus, SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  POM93  Dudleya saxosa subsp. aloides P. A. Munz 1919-5-5 2796 Orange San Gorgonio Pass. Comment
  IRVC22787  Dudleya stolonifera Fred M. Roberts 1985-5-16 1815 Orange mouth of Laurel Canyon, 4.0km SE Signal Peak, San Joaquin Hills 85 Comment
Read comments
Mar 3 2015
  POM48549  Dudleya stolonifera F. M. Reed 1925-5-14 4994 Orange Aliso Canon. Comment
  IRVC26520  Dudleya virens subsp. hassei Mark A. Elvin 2004-5-22 3448 Orange UCI Arboretum Southern Coastal 15 Comment
  UCR174020  Dudleya viscida A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33053 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
  IRVC26741  Dudleya viscida Mark A. Elvin 2004-6-18 3520 Orange UCI Arboretum Southern Coastal 15 Comment
  SD236267  Dysphania multifida A. C. Sanders, Fred M. Roberts 2008-6-17 35476 Orange Peninsular Range; Santa Ana Mountains: Lomas de Santiago, Agustine staging area near Limestone Canyon Rd gate at Santiago Canyon Road (Black Star Canyon 7.5'Q) 259 Comment
  CAS-BOT-BC197028  Echinochloa colona Ira L. Wiggins 1965-11-5 20320 Orange Near corner or Dowling Street and Crowther Avenue, 1/2 mile S of Placentia Comment
  RSA184152  Echinochloa colona I. L. Wiggins 1965-10-24 20295 Orange Yorba Linda Blvd. 1/4 mi. E of State College Blvd., Fullerton. Comment
  RSA49  Echinochloa crus-galli Thos Howell 1927-10-29 787 Orange Near Cypress Station. 30 Comment
  UC537283  Echinochloa crus-galli Lawrence M. Booth 1932-7-25 1314 Orange Santa Ana River Channel 2 mi from Ocean; Santa Ana River Channel Comment
  UC537284  Echinochloa crus-galli Lawrence M. Booth 1932-7-18 1263 Orange Newport Bay Costa Mesa; , Costa Mesa Comment
  RSA184075  Echinochloa crus-galli I. L. Wiggins 1965-10-5 20325 Orange [Near Fullerton.], [33 deg 52'02N, 117 deg 52'30W Comment
  UCR207803  Echinochloa crus-pavonis O. F. Clarke 2004-5-29 s.n. Orange Santa Ana River Canyon, Santa Ana River on the west side of Featherly Park 110 Comment
  POM48523  Echinodorus berteroi F. M. Reed 1924-8-15 4963 Orange Laguna Lake bed - Laguna canyon. Comment
  UC213654  Echinodorus berteroi D. L. Crawford 1916-7-26 Orange Laguna Canyon Laguna Beach Region, Laguna Canyon Comment
  RSA0125888  Echium candicans Fred M. Roberts 2012-5-4 7545 Orange San Joaquin Hills: Buck Gully, along San Joaquin Hills Road, just west of Harbor Watch Park, 2.9 km W Signal Peak. 174 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
  RSA715696  Eclipta prostrata Fred M. Roberts, Chris M. Barnhill 2005-9-27 6276 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  UCSB47620  Ehrendorferia chrysantha Roberts, Fred 1980-5-3 Orange Santa Ana Mtns., San Juan Canyon, Rte. 74, 0.2km S Lower San Juan Picnic Ground 393 Comment
  RSA592059  Elatine brachysperma R. E. Riefner 1994-4-15 94 -320 Orange Dana Hills NW of Cooks Reservoir. 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
  RSA86  Eleocharis geniculata J. T. Howell 1927-7-18 422 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  CAS-BOT-BC112764  Eleocharis macrostachya John Thomas Howell 1927-6-30 2619 Orange Mucky soil of canal bank 7 miles east of Long Beach. 15 Comment
  RSA791461  Eleocharis montana Keith E. Hoffmaster 1927-10-11 149 Orange Santa Ana. Comment
  RSA603303  Eleocharis montevidensis Scott D. White, B. Leatherman 1997-1-12 5332 Orange East of San Juan Capistrano: San Juan Creek between Highway 74 bridge and Mission Vieja site, i.e. ca. 2 to 4 miles E of I-15 / Highway 74 junction. 46 Comment
  RSA685930  Eleocharis palustris Fred M. Roberts, David E. Bramlet 2003-3-27 5613 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, western slopes of Chistianitos Canyon, 0.8km N Sycamore Gate 0.15km W Cristianitos Road; (San Clemente). 139 Comment
  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
  RSA83  Eleocharis palustris J. T. Howell 1927-6-30 238 Orange Bryant Ranch near Long Beach. 15 Comment
  SD245178  Eleocharis parishii R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49571 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway(74). San Juan Creek. Comment
  RSA752648  Eleocharis radicans A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33024 Orange 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
  SD136984  Eleocharis radicans Steve Boyd, Tim Ross 1994-9-14 8354 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucas Canyon Trail crossing. (IPB 10/07) 305 Comment
  UCR84379  Eleocharis radicans Steve Boyd, T. S. Ross 1994-9-14 8354 Orange Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucas Canyon trail crossing. 305 Comment
  RSA85  Eleocharis rostellata J. T. Howell 1927-7-21 449 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA735122  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
  POM50829  Elymus X hansenii Le Roy Abrams 1901-06 1814 Orange Mt. Santiago Trail Comment
  UCR193540  Elymus condensatus A. C. Sanders, Fred M. Roberts 2008-7-3 35666 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation Corridor 415 Comment
  UCR207543  Elymus condensatus O. F. Clarke, Roger E. Reinke 2004-11-14 s.n. Orange South Coast, Newport Back Bay 3 Comment
  CAS-BOT-BC206791  Elymus glaucus subsp. glaucus Le Roy Abrams 1901-6-1 1822 Orange Santiago Pk. Comment
  RSA797826  Elymus glaucus subsp. glaucus R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49815 Orange Santa Ana Mountains: Trabuco Canyon Comment
  RSA0013953  Elymus glaucus var. glaucus Fred M. Roberts 2008-5-7 6940 Orange Lomas de Santiago: Loma Ridge, Limestone Ridge between Dripping Spr. and Limestone Cyn., 3.5 km NW Bolero Lookout and 1.7 km E Bee Peak. Irvine Ranch Conservancy. 481 Comment
  POM1331  Elymus multisetus Le Roy Abrams 1901-06 1823 Orange Santiago Peak Trail 915 Comment
  RSA548877  Elymus multisetus Fred M. Roberts, K. Keane 1988-5-25 4583 Orange Rancho Mission Veijo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Marker., UTM 3710600m N, 443550m E. 91 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
  UCR2375  Elymus triticoides F. M. Reed 1932-5-24 7234 Orange South Coast, San Juan Capistrano, behind beach dune Comment
  RSA539385  Emmenanthe penduliflora Fred M. Roberts, Carol A. Roberts 1988-6-10 4093 Orange Santa Ana Mtns: Main Divede Truck Trail, Modjeska Peak, 1.1 km SW summit. 465 Comment
  UCR191425  Emmenanthe penduliflora A. C. Sanders, Fred M. Roberts 2008-4-8 34776 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Harding Truck Trail at Dripping Springs Loop, above Limestone Canyon 495 Comment
  IRVC645  Encelia californica B. Newman 1965-3-31 Orange Corona del Mar, Jamboree Rd. Newport Beach Comment
  IRVC657  Encelia californica McGuire 1965-5-2 Orange Comment
  POM360026  Encelia californica Robert W. Townsend 1939-7-28 159 Orange Roadsie of Higway west of Atwood Comment
  RSA719414  Encelia californica Fred M. Roberts, Lee Ann Caranza 2006-10-25 6452 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  UCR191222  Encelia californica A. C. Sanders 2008-4-29 35128 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 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
  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
  RSA753484  Epilobium canum A. C. Sanders, Fred M. Roberts 2008-9-18 36084 Orange Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge. 320 Comment
  UCR247893  Epilobium canum subsp. canum Fred M. Roberts 2012-7-18 7660 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
  RSA666103  Epilobium pygmaeum Fred M. Roberts, Michelle Lee 2001-6-4 5487 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. (Canada Gobernadora. 226 Comment
  IRVC28640  Epipactis gigantea Mark A. Elvin, A. C. Sanders 2005-9-2 4495 Orange Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Santa Ana Mtns 457 Comment
  CAS-BOT-BC57385  Equisetum laevigatum Crawford; Johnston 1917-6-9 1216 Orange Santa Ana River near Corona Comment
  RSA21057  Equisetum laevigatum Ramon Valverde 1938-8-4 9447 or 3235 Orange Rancho Santa Ana, Santa Ana Canyon. 122 Comment
  POM17838  Equisetum telmateia var. braunii Philip A. Munz 1923-9-7 7731 Orange Holy Jim Canyon, Santa Ana Mountains 609 Comment
  SEINET3386349 Image available Eragrostis A. C. Sanders, Fred M. Roberts 2008-1 36091 Orange Peninsular Range; Santa Ana Mtns. Foothills: Lomas de Santiago, Santiago Creek Canyon c. 0.5-0.8 miles above the highway bridge. Comment
  RSA612207  Eragrostis cilianensis L. C. Wheeler 1932-8-13 1131 Orange 2 miles N Claremont. 412 Comment
Read comments
Nov 15 2013
  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
  SEINET7909393  Eriastrum eremicum C. Knight 1967-1 Orange San Juan Capistramo 610 Comment
  RSA0121319  Eriastrum sapphirinum subsp. dasyanthum Fred M. Roberts, Carol A. Roberts 1990-5-16 4628 Orange Santa Ana Mtns: Small canyon along SE side of Irvine Mesa, 3.5 km N Bolero Lookout 396 Comment
  RSA759242  Ericameria cuneata Robt Allen, Reginald Durant 2008-5-16 s.n. Orange Modjeska Peak. W Facing slope within 2 meters of the access road up Modjeska Peak. Approximately midway between the peak's south-facing slope and the sharp bend in extreme N end of the road. 1643 Comment
  CAS-BOT-BC299501  Ericameria palmeri var. pachylepis Carl B. Wolf 1931-10-30 2708 Orange Rancho Santa Ana Botanical Garden 207 Comment
  RSA554643  Ericameria palmeri var. pachylepis Scott D. White 1992-9-29 866 Orange Vicinity of City of Brea, immediately N of Carbon Canyon Road and E of Placentia Avenue, +/- 1 mi (airline) S/SE of Tonner Canyon. 183 Comment
  RSA703702  Ericameria palmeri var. pachylepis Fred M. Roberts, David E. Bramlet 2004-11-5 6132 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Gato Cyn., tributary to Cristianitos Cyn., 0.62 km NW Gato Gate and 0.55 km W Cristianitos Rd. 125 Comment
  UCR45136  Ericameria palmeri var. pachylepis B. G. Pitzer, L. F. LaPre 1986-10-20 s.n. Orange Santa Ana Mtns, Summit of Hicks Canyon on a private road (continuation of Jeffrey Road), c. 2.4 mi. above the gun club 274 Comment
  CAS-BOT-BC294347  Ericameria palmeri var. palmeri Scott White 1992-10-1 950 Orange Vicinity of city of Brea, immediately N of Carbon Canyon Road & E of Placentia Avenue. +-1 mi. (airline) S/SE of Tonner Canyon 182 Comment
  UC284875  Ericameria parishii var. parishii P. A. Munz 1923-9-7 7767 Orange from Trabuco Canyon to Santiago Peak; Santa Ana Mts 914 Comment
  IRVC20221  Ericameria pinifolia Fred M. Roberts 1982-10-14 829 Orange Temple Hill, 1.1km NNW Top of the World School, Laguna Beach 259 Comment
  RSA696782  Erigeron R. H. McArthur 1934-5-19 s.n. Orange Trabuco Canyon. Comment
  RSA696783  Erigeron foliosus Minor Warne 1934-5-19 s.n. Orange Trabuco. Comment
  RSA0127346  Erigeron sumatrensis Fred M. Roberts 2016-4-29 8049 Orange Lomas de Santiago: north of Santiago Canyon Road, southwest slope of hill marked 1332 on topo maps, just west of Irvine Lake, 1.6 km S Irvine Lake dam spillway and 0.8 km NW Irvine Lake Park. 335 Comment
  CAS-BOT-BC189071  Eriodictyon crassifolium John Thomas Howell 1927-6-26 2614 Orange Claymine Canon [Canyon], N Santa Ana Mountains Comment
  RSA550599  Eriodictyon crassifolium Fred M. Roberts 1989-4-26 4315 Orange Lomas de Santiago: Lower Santiago Canyon, 10.1 km SW Sierra Peak, ca. 1.3 km NW Irvine Lake spillway. 195 Comment
  RSA699659  Eriodictyon crassifolium Keith E. Hoffmaster 1931-3-22 s.n. Orange Santa Ana Mountains Comment
  UCR910  Eriodictyon crassifolium R. G. Sullivan 1972-4-16 720416- 4 Orange Santa Ana River Channel, river bottom near Coal Canyon Road 122 Comment
  RSA0045584  Eriodictyon crassifolium Ken Eastman 1932-5-8 s.n. Orange Saddle Back Comment
  SD247658  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]. 456 Comment
  UCD119319  Eriodictyon trichocalyx Raymond A. Evans 1949-4-28 s.n. Orange Mouth of Santa Ana Canyon, near Orange. Comment
  RSA211  Eriogonum elongatum J. T. Howell 1927-9-24 741 Orange Santa Ana Botany Garden 152 Comment
  UCR103282  Eriogonum elongatum B. G. Pitzer, T. Tennant 1997-11-8 3369 Orange San Joaquin Hills, Crystal Cove State Park, along Moro Canyon Trail, from beginning to a point c. 1.75 mi. up the canyon. 85 Comment
  JEPS56997  Eriogonum elongatum var. elongatum Lawrence M. Booth 1932-8-9 1370 Orange Newport Bay Comment
  IRVC28779  Eriogonum fasciculatum Caroline Tran 2006-2-4 1 Orange San Joaquin Marsh; NW bluff edge Southern Coastal 5 Comment
  RSA3099  Eriogonum fasciculatum Carl B. Wolf 1931-8-9 2300 Orange 1/2 mile south of Corona del Mar beach 8 Comment
  IRVC26729  Eriogonum fasciculatum subsp. foliolosum Peter A. Bowler 2003-4-26 s.n. Orange UC San Joaquin Freshwater Marsh Reserve; bluffs along NW edge of marsh. Southern Coastal 9 Comment
  RSA734991  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35286 Orange Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir. 300 Comment
  RSA748169  Eriogonum fasciculatum var. fasciculatum K. M. Meyer, A. Townesmith, T. Scott 2007-3-10 4 Orange Cleveland National Forest, 0.5 mi. N Main Divide Rd./NF3S04, off Hwy. 74. Elsinore Mtns., ridge top. 917 Comment
  RSA7639  Eriogonum fasciculatum var. polifolium Carl B. Wolf, E. R. Johnson 1933-11-3 5521 Orange Along main divide S of Bedford Peak. (common from Santiago Peak) Santa Ana Mountains. 1098 Comment
  JEPS56922  Eriogonum gracile Lawrence M. Booth 1932-8-9 1369 Orange Newport Bay Comment
  SBBG62090  Eriogonum gracile J. T. Howell 1927-7-16 2791 Orange N side of Santa Ana Cyn 152 Comment
  RSA766138  Eriogonum gracile Joseph A. Ewan 1932-7-29 7738 Orange Road around Newport Lagoon. Comment
  UCSB52907  Eriogonum gracile Roberts, Fred 1984-8-14 Orange Chiquito Basin Trail; ridge between Chiquito Basin and Lion Canyon; 2.6km SSE Los Pinos Peak; 1.3km SSW Blue Jay Camp ground; Santa Ana Mtns 885 Comment
  RSA0061175  Eriogonum nudum subsp. pauciflorum Robt. Allen 2007-8-11 s.n. Orange NW-facing slope of Santiago Peak, along Main Divide Road. 1701 Comment
  LA206950  Eriogonum nudum var. pauciflorum Carl Epling; 1933-8-24 5400 Orange Santa Ana Mountains, summit of Santiago Peak 1731 Comment
  UC534937  Eriogonum parvifolium Susan G. Stokes 1932-8-29 21 Orange Doheney's Palisades, near San Clemente, San Diego Co. Comment
Read comments
Oct 21 2009
  CAS-BOT-BC263020  Eriogonum thurberi John Thomas Howell 1927-6-6 2452 Orange Santa Ana River bottom, Santa Ana Canon [Canyon] 152 Comment
  RSA237  Eriogonum thurberi J. T. Howell 1927-6-6 52 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  RSA0054886  Eriogonum virgatum Keith E. Hoffmaster 1933-10-29 485 Orange Santa Ana mts. [Orange or Riverside]. Comment
  RSA0013910  Eriophyllum confertiflorum Fred M. Roberts 2012-4-24 7523 Orange San Joaquin Hills: Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  RSA539417  Eriophyllum confertiflorum Fred M. Roberts 1988-6-10 4099 Orange Modejeska Peak, 0.8 km SW summit along crest. 1548 Comment
  RSA695678  Eriophyllum confertiflorum Minor Warne 1934-3-21 s.n Orange Limestone Canyon. Santa Ana Mts. Comment
  IRVC15140  Eriophyllum confertiflorum var. confertiflorum A. S. Boughey 1968-7-9 380403 Orange Santa Ana mtns: upper Santiago Canyon. Peninsular Ranges Comment
  RSA678510  Erodium botrys Valerie L. Soza, Kevin B. Clark, LeRoy Gross, Will Miller, Fred M. Roberts, Gary D. Wallace 2001-4-4 1127 Orange Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 3 Comment
  RSA590950  Erodium botrys Fred M. Roberts 1991-5-2 4774 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. 110 Comment
  HSC8470  Erodium cicutarium C. L. Hitchcock 1966-3-15 24137 Orange 1/2 mi. E of Brea Comment
  SD136131  Erythranthe floribunda Dylan T. Hannon 1992-6-12 165 Orange Arroyo Trabuco, below Santa Margarita Parkway Bridge Comment
  RSA785386  Eschscholzia californica Keith E. Hoffmaster 1934-1 402 Orange Santa Ana Comment
  SEINET7879573 Image available Eschscholzia californica Cathy Coulson 1959-1 s.n. Orange Anaheim, Orange County, California, N. E. corner of front yard, 2454 W. Broadway. Comment
  RSA66266  Eschscholzia californica var. peninsularis F. W. Peirson 1923-3-25 3375 Orange Aliso Creek, near Laguna Beach 91 Comment
  RSA16485  Eschscholzia californica var. peninsularis Percy C. Everett 1935-6-19 7222 Orange Santa Ana Mts, Main Divide Motorway. 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
  UCR80029  Eucalyptus camaldulensis Scott D. White 1992-10-1 956 Orange City of Brea, immediately north of Carbon Canyon Road & east of Placentia Ave. c. 1 mi (airline) S-SE of Tonner Canyon. 183 Comment
  SEINET781957  Eucalyptus tereticornis Irvine Ranch, Boy Scout Camp in Peters Canyon 1987-4-16 400 Orange Irvine Ranch, Boy Scout Camp in Peters Canyon E of Tustin, l mi. NE of the Irvine Blvdl Myford Rd. intersection. (Near 33d 50'N, ll7d 50'W.) In an old plantation ca. 80 yrs. old. Comment
  POM202027  Eucrypta chrysanthemifolia L. M. Booth 1932-5-19 1063 Orange Newport Bay Comment
  UCR281551  Eucrypta chrysanthemifolia Mitch Provance, Jeremiah George 2017-3-20 317- 125 Orange West Coyote Hills, Fullerton, west side of Gilbert Street on land previously occupied by oil fields. 138 Comment
  UCR78042  Eucrypta chrysanthemifolia Scott D. White 1993-4-7 1198 Orange Laguna Mtns., Laguna Canyon, E side of Laguna Canyon Road (Hwy 133), above Hillies Lane. (Thomas Bros. Orange County Map: F-3 on 33A). Comment
  UC592180  Eucrypta chrysanthemifolia var. chrysanthemifolia H. L. Mason 1926-4-25 2912 Orange 5 mi s Laguna Beach Comment
  LA204855  Euphorbia misera B. R. Lower; 1954-4-26 sn Orange Dana Point Comment
  POM186306  Euphorbia misera Joseph A. Ewan 1932-7-28 7708 Orange Corona Del Mar Comment
  POM201836  Euphorbia misera L. M. Booth 1932-7-23 1300 Orange Corona del Mar, Newport Beach. Comment
  RSA432  Euphorbia misera J. T. Howell 1928-6-24 992 Orange Between Laguna and Capistrano Beaches Comment
  RSA432423  Euphorbia misera Albert J. Perkins 1917-3-10 s.n. Orange Aliso Canyon Comment
  UCR55556  Euphorbia misera G. L. Webster 1966-12-11 7479 Orange South Coast, Dana Point Comment
  JEPS52403  Euphorbia peplus Lawrence M. Booth 1932-7-23 1303 Orange Corona del Mar 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
  UCSB56679  Euphorbia peplus Roberts, Jr., Fred 1984-2-4 Orange South Laguna; Aliso Canyon near mouth, 0.7 km. WNW Aliso Peak 15 Comment
  UCD142717  Euphorbia polycarpa C. L. Hitchcock 1966-3-15 24140 Orange Stearns Lease, 1.5 miles east of Brea. Comment
  UCR239646  Euphorbia polycarpa var. polycarpa Fred M. Roberts 2012-5-9 7553 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
  RSA0020540  Euphorbia serpens Fred M. Roberts 2007-8-6 6559 Orange San Joaquin Hills: Laguna Beach, Laguna Cyn. on east side of Laguna Cyn. Rd. adj. to dog park, 1.2 km S (air) from El Toro Road and 1.8 km WSW Moulton Survey Mk. 52 Comment
  SD181549  Euphorbia serpens Louis C. Wheeler 1946-8-8 6225 Orange Imperial Highway 0.25 mile west of Caroline Ave., 2.0 miles eastsoutheast of Brea. 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
  IRVC23251  Euphorbia serpyllifolia var. hirtula K. Kirtland 1987-8-25 Orange Santa Fe Channel along Edinger Ave.; disturbed flood channel with flowing water, sandy soil. Tustin Comment
  SD255148  Euphorbia supina R. F. Thorne 1977-11-21 49992 Orange Santa Ana Mountains: San Juan Canyon ca. 2.0 miles above San Juan Fire Station. Comment
  RSA723485  Euthamia occidentalis R. E. Riefner 2006-11-12 06 -666 Orange City of Newport Beach, urban creek draining into San Diego Creek at confluence with Newport Bay; San Diego Creek at SR-73 overpass. 6 Comment
  RSA91147  Euthamia occidentalis F. W. Peirson 1924-10-19 5243 Orange Wintersberg. Comment
  SBBG65406  Extriplex californica M. N. Ackley -May-1929 Orange Sunset Beach 8 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-BC487555  Ficus microcarpa R. E. Riefner, Jr. 2014-8-8 14 -273 Orange City of Laguna Beach, E side of South Coast Hwy near Diamond Street 25 Comment
  CAS-BOT-BC487557  Ficus microcarpa R. E. Riefner, Jr. 2014-11-26 14 -399 Orange City of Irvine, W of IrvineBlvd. and S of Pusan Way, former MCAS El Toro facility 138 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
  RSA0088634  Ficus microcarpa R. E. Riefner Jr. 2014-11-26 14 -399 Orange City of Irvine, W of Irvine Blvd. and S of Pusan Way, Former MCAS El Toro facility. 138 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
  RSA0116293  Ficus microcarpa R. E. Riefner Jr. 2008-10-22 08 -312 Orange City of Laguna Beach, vicinity of West St and Pacific Coast Hwy. 8 Comment
  UCR267278  Ficus microcarpa R. E. Riefner Jr. 2014-8-8 14- 273 Orange City of Laguna Beach, east side of South Coast Highway near Diamond St. 25 Comment
  RSA0057937  Filago californica Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49668 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  RSA789585  Filago gallica R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49657 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 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
  RSA761929  Filago gallica Suzanne Espino 2005-4-26 4 Orange Caspers Wilderness Park, East Ridge Trail. Near water tank 168 Comment
  UCSB48223  Foeniculum vulgare Roberts, Fred 1981-6-22 Orange Rancho Mission Viejo; Calif. Rte. 74, 5.2 km. ENE San Juan Capistrano by road 100 Comment
  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
  SD119374  Frangula californica subsp. californica Reid Moran 1975-11-21 22740 Orange in bottom of Trabuca Canyon, Santa Ana Mountains 399 Comment
  LA207696  Frangula californica subsp. cuspidata C. B. Wolf; 1933-8-24 5391 Orange Santa Ana Mountains, summit of Santiago Peak 1731 Comment
  RSA5859  Frankenia grandifolia Carl B. Wolf 1932-6-28 3784 Orange Edge of field on Bryant Ave. 9 Comment
  RSA234534  Frankenia grandifolia var. grandifolia James Henrickson 1970-7-25 5031 Orange 3.5 miles NW of Huntington Beach on sandy margin of Bolsa Bay, 1/4 mile E of Warner Ave. along Pacific Coast hwy. 1 Comment
  CDA22546  Frankenia salina P. Fishman, H. R. Williams 1969-9-23 980 Orange Upper Newport Bay, below East Park (Bluff?) 0 Comment
  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
  UC1494288  Frankenia salina Molly Whalen and Liz Evans 1978-6-2 510 Orange near Bolsa Chica Visitors Center (just off Hwy 1) Comment
  RSA0039582  Franseria bipinnatifida Elbert Benjamine 1929-5-14 240 Orange Sunset Beach. Comment
  UCR261702  Frasera parryi Dick Newell, Judy Booth 2014-5-26 377 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, upper Long Canyon Rd., 1.3 mile NW of El Cariso Hotshot Camp 996 Comment
  CAS-BOT-BC217644  Fraxinus dipetala John Thomas Howell 1927-7-26 2844 Orange Claymine Canyon, n. Santa Ana Mts. 243 Comment
  RSA0042150  Fraxinus dipetala Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49687 Orange Northern Santa Ana Mountains: Sierra Peak. [locality information from field label; note on newspaper 'N slope Pleasant's Pk, 1.5 mi. S Beek's Place]. 900 Comment
  UCR261699  Fraxinus dipetala Dick Newell, Judy Booth 2014-5-15 371 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Maple Springs Rd./Silverado Canyon Rd., 0.87 road miles east of the lower Maple Springs gate 623 Comment
  SBBG128669  Fraxinus dipetala R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49687 Orange Sierra Peak; Santa Ana Mtns 900 Comment
  CDA23578  Fraxinus uhdei T. McCrainie, Mark A. Elvin 2006-9-23 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
  SD175837  Fraxinus uhdei D. G. Kelch 2006-12-9 6 535 Orange Along Newport Back Bay Dr. in side canyon. 6 Comment
  SBBG120620  Fraxinus velutina A. C. Sanders, F. M. Roberts, M. Balk 2006-7-20 33043 Orange San Juan Cyn from Lower San Juan Picnic Area to ca. 1 mi downstream, parallel to Hwy 74 and near Riverside Co line 366 Comment
  SEINET10492274  Fuchsia hybrida Charlene A. Bennett 1976-7-23 Bennett 452 Orange Cultivated plants collected in the pacific palisades estates of the laguna hills area. 152 Comment
  SEINET10492275  Fuchsia hybrida David B. Dunn 1971-8-13 Dunn 18111 Orange Cultivated plants at costa mesa. Comment
  UCR132569  Gaillardia X grandiflora Robert DeRuff 2001-9-19 s.n. Orange Southern Coast, Newport Back Bay, Shellmaker Island 1 Comment
  UCR191003  Galium angustifolium A. C. Sanders, Fred M. Roberts 2008-4-22 35005 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
  UCR97812  Galium angustifolium Scott D. White 1997-3-28 4850 Orange Santa Ana Mountains, Above Modjeska Canyon, proposed water tank site. 488 Comment
  UCSB48003  Galium angustifolium 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
Read comments
Oct 28 2018
  RSA631403  Galium angustifolium subsp. angustifolium Valerie L. Soza, LeRoy Gross 1999-6-7 490 b Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  RSA636102  Galium angustifolium subsp. angustifolium Valerie L. Soza, LeRoy Gross 1999-6-7 490 a Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  RSA789601  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49652 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak] Comment
  RSA797667  Galium angustifolium subsp. angustifolium Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49771 Orange Santa Ana Mountains: Trabuco Canyon Comment
  RSA588726  Galium aparine Fred M. Roberts Jr. 1990-5-7 4604 Orange Rancho Mission Viejo: Ridge south of Blind Canyon and east of Christianitos Canyon, TRW Lease Hold, 5.0 km NE Clemente Survey Marker. 152 Comment
  UCSC001312  Galium aparine Peter Kamb 1948-6-19 1091 Orange Holy Jim Canyon, Santa Ana Mts. 610 Comment
  POM47660  Galium porrigens F. W. Peirson 1924-5-31 4665 Orange 5 miles southeast of Laguna Beach Comment
  RSA683078  Galium porrigens Scott D. White, Amanda Duchardt 2003-5-1 9162 Orange Santa Ana Mountain Foothills: Slopes above west side of Trampas Canyon. 107 Comment
  SD152756  Galium porrigens var. porrigens Steve Boyd, Tim Ross 1992-5-20 7457 Orange San Mateo Canyon Wilderness Area. Western edge in Lucas Canyon along canyon floor from crossing of Lucas Canyon Trail, upstream Ao mile to spur trail leading to old mining habitations in side canyon 305 Comment
  SBBG52808  Garrya flavescens C. Davidson 1977-5-18 5605 Orange Pleasant Peak (on Orange-Riverside Co line) 1219 Comment
  CAS-BOT-BC282591  Gastridium phleoides F. W. Peirson 1923-9-7 4033 Orange Holy Jim trail to Santiago Peak, Santa Ana Mts. 1143 Comment
  RSA750001  Gastridium phleoides A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35321 Orange Weir Canyon, 0.3 mi. west of Eastern Transportation Corridor (Hwy 241) and 1.45 mi. east of south end of Walnut Canyon Reservoir 335 Comment
  UC537117  Gastridium ventricosum Lawrence M. Booth 1932-5-19 1082 Orange Newport Bay Comment
  UCR209347  Gaura coccinea Fred M. Roberts 2008-4-15 6898 Orange Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, east ridge, Conservation Trail, 1.6 km east-southeast of Rattlesnake Reservoir Dam and 2.6 km west-southwest of Bee Peak, Irvine Ranch Conservancy 183 Comment
  CDA5174  Gaura drummondii Margaret Bellue 1943-9-1 Orange Sterns, 3 miles east of Yorba Linda. 0 Comment
  UC284868  Gayophytum diffusum subsp. parviflorum P. A. Munz 1923-9-7 7749 Orange Santiago Peak Santa Ana Mts. (near summit) 1645 Comment
  JEPS61411  Geranium carolinianum Alice King Apr 1908 Orange Santa Ana Mts. Comment
  SD232261  Geranium carolinianum Scott D. White, Brian Leatherman 1997-5-6 5037 Orange Santa Ana Mtns.: Santiago Canyon area. Unnamed tributary to Santiago Ck. Flowing from the SW, directly west of Pancho Cyn. Lomas de Santiago S 179. 366 Comment
  UCR240189  Geranium incanum var. multifidum R. E. Riefner Jr. 2012-12-5 12- 588 Orange South Coast, city of Dana Point, Dana Point Harbor, Dana Harbor Drive near Cove Road 9 Comment
  RSA470122  Gilia angelensis Anstruther Davidson 1910-03 2474 Orange Corona Del Mar. Comment
  RSA734815  Gilia angelensis A. C. Sanders, Fred M. Roberts 2008-3-25 34574 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
  SEINET7073429  Gilia angelensis A. G. Vestal 1963-4-24 s.n. Orange La Paz Canyon, Rancho Mission Viejo. Coordinate datum: NAD27. 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
  UCR129870  Gilia capitata P. A. Munz, L. T. Street, G. Williams 1919-5-3 2628 Orange Santa Ana River Canyon 122 Comment
  SEINET272170  Gilia capitata subsp. abrotanifolia G. K. Helmkamp, E. A. Helmkamp 1997-4-24 1660 Orange Cleveland National Forest ; Cleveland National Forest 1.6 mi. SE of Ortega Hwy (CA-74) on Rd. 7-S14. UTM 10km cell: MH-5E 1N. San Juan Hot Spring 549 Comment
  UCSB5079  Gilia capitata subsp. abrotanifolia Kamb, Peter 1948-6-19 Orange SE slope of Santiago Peak; Santa Ana Mts. 1219 Comment
  RSA0069233  Glebionis coronaria Fred M. Roberts, Lee Ann Caranza 2009-4-7 7138 Orange Dana Point Headlands: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 65 Comment
  LA12917  Glyceria elata Jason Swallen; 1929-7-21 13714 Orange Santa Ana Mountains, Bear Springs 1523 Comment
Read comments
Feb 4 2015
  RSA731658  Gnaphalium luteoalbum Fred M. Roberts 2007-10-29 6621 Orange Niguel Hill: Laguna Niguel, Seaview Park, 1.3 km ENE Aliso Peak. 265 Comment
  RSA734630  Gnaphalium luteoalbum A. C. Sanders, T. B. Salvato 2008-5-13 35358 Orange Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  IRVC740  Gnaphalium microcephalum var. microcephalum D. Ibbetson 1965-3-27 Orange Trabuco Canyon. Santa Ana Mountains Comment
  JEPS20430  Gnaphalium palustre L. M. Booth 1932-5-24 1086 Orange Newport Bay Comment
  UCR193495  Gnaphalium palustre A. C. Sanders, T. B. Salvato 2008-5-13 35360 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
  UCR190987  Gnaphalium stramineum A. C. Sanders, Fred M. Roberts 2008-4-22 34991 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
  UCR242757  Grindelia camporum Fred M. Roberts 2012-5-10 7578 Orange SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit 154 Comment
  IRVC4034  Grindelia camporum var. bracteosa A. S. Boughey 1968-7-16 422 Orange road to Signal Peak. San Joaquin Hills Comment
  UCR113450  Grindelia camporum var. bracteosa R. E. Riefner Jr. 2000-7-8 20- 626 Orange Peninsular Range, Santa Ana Mountains, North Ranch Policy Plan Area, on ridgetop overlooking W fork of Fremont Canyon, east of Main Divide Road along the powerline 396 Comment
  CAS-BOT-BC305202  Grindelia hirsutula Peter H. Raven 1959-4-30 14038 Orange Just north of San Clemente Comment
  CAS-BOT-BC305206  Grindelia hirsutula Carl B. Wolf 1932-7-2 3810 Orange Olinda. Valencia Ave., opposite Olinda Pilgrim Church 152 Comment
  RSA542434  Grindelia robusta Fred M. Roberts, Karlin G. Marsh 1988-4-25 3930 Orange San Joaquin Hills: Irvine Coast, 1.1km SW Pelican Hill. 44 Comment
  CAS-BOT-BC314525  Gutierrezia californica Helen D. Geis 1902-1-1 573 Orange Santiago Cr. Comment
  SD236194  Gutierrezia californica A. C. Sanders, Fred M. Roberts, Amber O Neal 2008-5-9 35288 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 299 Comment
  SEINET2052347 Image available Gutierrezia californica B. Pitzer, D. Hawks 1986-10-21 346 Orange Lomas de Santiago, ca. 10.0 miles E. of Santa Ana, in hills N and E of South Coast Gun Club on Jeffrey Rd. in Hicks Canyon. 182 Comment
  UCD132608  Gutierrezia californica P. B. Kennedy 1925-1-12 s.n. Orange Irvine Range. Comment
  CAS-BOT-BC302136  Gutierrezia sarothrae John Thomas Howell 1927-9-24 3111 Orange Hills on n. side of Santa Ana Canon [Canyon] 213 Comment
  RSA554642  Gutierrezia sarothrae Scott D. White 1992-10-20 971 Orange Vicinity of city of Brea, Immediately N of Carbon Canyon Rd & E of Placentia Avenue +/-1mi (air) SSE of Tonner Canyon. 183 Comment
  IRVC26430  Haplopappus canus Mark A. Elvin 2004-2-22 3154 Orange UCI Arboretum Southern Coastal 15 Comment
  UCR197707  Haplopappus menziesii A. C. Sanders, Fred M. Roberts 2008-9-18 36078 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  RSA0066587  Harpagonella palmeri Fred M. Roberts, David Bramlet 2003-5-1 5691 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.21 km W of Cristianitos Rd. 111 Comment
  RSA749471  Hedypnois cretica Fred M. Roberts, Linda Farley 2008-3-28 6826 Orange Santa Ana Mtns.: Upper Weir Cyn., Irvine Ranch Conservancy, 3.3 km ENE Robbers Peak on ridge north of canyon. 427 Comment
  UCR190995  Hedypnois cretica A. C. Sanders, Fred M. Roberts 2008-4-22 35059 Orange Peninsular Range; Santa Ana Mtns., 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 miles WSW of Silverado 493 Comment
  UC774607  Hedypnois rhagadioloides C. B. Wolf 1938-5-2 9406 Orange vacant lot on e side of 1200 block Francis St.; City of Fullerton 60 Comment
  RSA725583  Helianthemum scoparium Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6530 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 Comment
  UCR192108  Helianthemum scoparium A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35309 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along fire line/bulldozer cut, c. 1.5 mi. east of Walnut Cyn Reservoir 346 Comment
  RSA0027782  Helianthemum scoparium var. aldersonii R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49679 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak] 457 Comment
  IRVC780  Helianthus annuus R. D. Haywood 1965-5-12 Orange Comment
  UCSB41778  Helianthus annuus Sawyer, Patricia 1964-12-28 Orange Upper Newport Beach Comment
  POM201743  Helianthus annuus subsp. lenticularis L. M. Booth 1932-6-29 1230 Orange Newport Bay. Comment
  RSA5244  Helianthus annuus subsp. lenticularis C. B. Wolf 1932-9-13 4032 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
  RSA643433  Helianthus ciliaris R. D. Goeden, D. W. Ricker 1965-7-7 s.n. Orange Laguna Hills: Veeh Ranch, ca. 1.5 mi. W of El Toro. 91 Comment
  CDA6543  Helianthus ciliaris T. C. Fuller 1962-6-7 8874 Orange Veeh ranch, north of El Toro, ca. 11 miles southeast of Tustin. 0 Comment
  RSA748268  Helianthus gracilentus A. C. Sanders, Fred M. Roberts 2008-6-17 35513 Orange middle section of Weir Canyon, SSE of Walnut Canyon Reservoir 225 Comment
  UCR192093  Helianthus gracilentus A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35293 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  UCR230222  Helianthus gracilentus Dick Newell, Ed Hill 2011-3-29 099 Orange Peninsular Range; Santa Ana Mtns., 200 yards NE of old coal mine, under power lines, off Coal Rd. below intersection with Upper Blind Cyn. Rd. 482 Comment
  RSA695823  Heliotropium curassavicum Kenneth Beard s.n. Orange Santa Ana riverbank Comment
  UCR193597  Heliotropium curassavicum A. C. Sanders, Fred M. Roberts 2008-6-17 35498 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, West Loma Ridge Spur Road c. 0.8 mi SW of Irvine Lake and 0.9 mi. SE of Sheriff's Training Facility, just east of Hwy 241 280 Comment
  RSA695822  Heliotropium curassavicum Harvey s.n. Orange [No locality given. From Santa Ana High School Herbarium] Comment
  IRVC286  Heliotropium curassavicum subsp. oculatum C. Weir 1965-9-9 Orange Newport Back Bay. Newport Beach Comment
  POM3867  Heliotropium curassavicum var. oculatum D. L. Crawford 1916-07 1958 Orange Near Laguna Comment
  RSA650818  Heliotropium curassavicum var. oculatum Daniel Truong 1991-5-13 27 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of 'closed area' Comment
  RSA572919  Hemizonia australis J. Mallory 1993-8-27 6366 -D-01 Orange At. NW portion of Mesa, approximately 10m S of pipes, powerpoles metal building and old water tank, S. of Los Patos Ave, Bolsa Chica Wetlands. Comment
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Sep 4 2013
  RSA572921  Hemizonia australis J. Mallory 1993-8-27 6366 -D-03 Orange E and north of Cliffs on Mesa, S of Los Patos Ave. and green Street, Bolsa Chica Wetlands. Comment
  RSA5867  Hemizonia australis C. B. Wolf 1932-9-13 4019 Orange Bryant Ranch. 3/10 miles W of Los Alamitos Blvd.700 ft. south of Bryant Ave. (800 ft. east & 700 ft. south of NW corner of SW 1/4 sec. 30 T4S R11W) 7 Comment
  RSA678737  Hemizonia fasciculata Fred M. Roberts, Carol A. Roberts, Robert Allen 2003-5-11 5858 Orange Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive. 73 Comment
  RSA734989  Hemizonia fasciculata A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35279 Orange Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir. 300 Comment
  UCR131870  Hemizonia fasciculata J. Mallory, V. McCoy 1995-7-3 6454- 73 Orange Santa Ana Mountains: N-facing slope in Santiago Canyon, c. 0.5 mi. east of Santiago Canyon Rd; near Irvine Park 200 Comment
  UCR192078  Hemizonia fasciculata A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35279 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  POM47592  Hemizonia fasciculata I. M. Johnston 1924-8-29 s.n. Orange 1 mile north of Santa Ana. Comment
  RSA542438  Hemizonia paniculata Fred M. Roberts 1988-5-25 3877 Orange Ranch Mission Viejo: Lower Canada Chiquita, 2.0 kilometers SSE Medium Rancho Survey Mark. 88 Comment
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Apr 29 2020
  UCR146950  Hemizonia parryi subsp. australis Mark A. Elvin 2003-8-24 3012 Orange Southern Coastal, San Joaquin Hills, Irvine, UCI, 100 m N of the intersection of Shady Canyon Drive and Bonita Canyon Road 72 Comment
  UCR157707  Hemizonia parryi subsp. australis Adrian Wolf 1998-7-1 422 Orange South Coast, Newport Oil Fields, between Huntington Beach, Costa Mesa and Newport Beach, just south of the channelized mouth of the Santa Ana River 2 Comment
  UCR158036  Hemizonia parryi subsp. australis Adrian Wolf 1998-7-1 410 Orange South Coast, Peters Canyon Channel, east of channel near Harvard Ballfield, between Harvard Ave. & creek, south of Warner Ave. to Barranca 15 Comment
  UCR177696  Hemizonia parryi subsp. australis Fred M. Roberts 2003-7-8 5955 Orange Coastal Plains & Basins; Los Angeles Basin region, Orange: Orange Park Acres, along Santiago Creek, 0.5km E Cannon Road and 0.3km N Santiago Canyon Rd. 117 Comment
  UCR98777  Hemizonia parryi subsp. australis C. S. Jones, W. Loeffler 1996-9-16 13 Orange Seal Beach, Hellman Ranch Site, located west of Seal Beach Boulevard, south of Los Alamitos Retarding Basin, east of Haines Cooling Channel, and north of Gum Grove Park Comment
  RSA735027  Hesperocnide tenella Scott D. White, Justin M. Wood 2008-4-10 11847 Orange Chino Hills: Powerline access road just N of CHSP boundary and just W of Orange/SB co. line. Approx. 1 mi. NW of Gilman Peak. 366 Comment
  UCR224160  Hesperocnide tenella Fred M. Roberts 2008-3-19 6785 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 60 Comment
  POM202122  Hesperocnide tenella Philip A. Munz 1934-3-26 13134 Orange Newport Beach, Orange. 6 Comment
  RSA542350  Hesperocnide tenella Fred M. Roberts Jr., W. R. Ferren 1987-4-8 3361 Orange Newport Beach: Upper Newport Back Bay, west side, North Star Beach, 0.8 km N Coney Island. 0 Comment
  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
  CAS-BOT-BC143753  Heteromeles arbutifolia C. B. Wolf 1932-3-6 1840 Orange Trabuco Canyon 1/2 mi. above Trabuco Oaks, west slope of Santa Ana Mts. 457 Comment
  CAS-BOT-BC143755  Heteromeles arbutifolia John Thomas Howell 1927-7-16 2783 Orange Hills on north side of Santa Ana [Canon] Canyon 152 Comment
  RSA649083  Heteromeles arbutifolia Karl Price 1988-5-21 57 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
  SD42379  Heteromeles arbutifolia P. C. Everett 1936-1-25 7697 Orange Santa Ana Canyon, Rancho Santa Ana, from a wild plant in the Palm Canyon in the Botanic Garden 182 Comment
  RSA0072396  Heteromeles arbutifolia David A. Young 1969-5-26 P 495 Orange Firestone Boy Scout Camp in Brea Canyon. 274 Comment
  RSA0072399  Heteromeles arbutifolia Carl B. Wolf, B. D. Stark 1932-12-19 4430 -A Orange Santa Ana Mts: 1/2 mile from Skyline Drive on firebreak road to Sierra Peak. 762 Comment
  UCR12562  Heterotheca grandiflora J. S. Davis 1972-5-6 720506- 28 Orange South Coast, Newport Beach. 3.2 mi N on Back Bay Road from corner of San Jaquin Hills Road in roadside turnout 6 Comment
  CAS-BOT-BC318904  Heterotheca grandiflora J. Ewan 1931-10-3 s.n. Orange 1/2 mile above La Vida Soda Springs, Carbon Canyon Comment
  CDA6983  Heterotheca grandiflora Robert L. Pope 1957-6-29 Orange 0 Comment
  IRVC792  Heterotheca grandiflora Anonymous 1965-4-29 Orange Santa Ana Canyon Comment
  RSA0074432  Heterotheca grandiflora James Snow 1932-1 s.n. Orange Bryant Ranch, near Long Beach. Station #1. Comment
  RSA0075812  Heterotheca grandiflora R. E. Riefner 2000-8-8 20 -716 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
  RSA0075818  Heterotheca grandiflora F. W. Peirson 1920-1-9 2350 Orange Sand near the point at Balboa Beach. Comment
  SD81198  Heterotheca grandiflora Darley F. Howe 1971-10-25 Orange Near the corner of Brookhurst and Lincoln Avenue, Anaheim. Comment
  RSA749682  Heterotheca sessiliflora A. C. Sanders, Fred M. Roberts 2008-7-16 35848 Orange Lomas de Santiago, Limestone Canyon 325 Comment
  RSA93359  Heterotheca sessiliflora subsp. echioides F. W. Peirson 1924-8-29 5086 Orange 2.5 miles from Balboa on road inland along creek. Comment
  RSA721136  Hieracium albiflorum Anonymous s.n. Orange Santa Ana Comment
  CAS-BOT-BC55398  Hirschfeldia incana Ira L. Wiggins 1965-10-24 20281 Orange Fullerton. Along Skyline Driver near intersection with Raymond Street. Comment
  CAS-BOT-BC55403  Hirschfeldia incana John Thomas Howell 1927-7-5 2649 Orange Santa Ana River bottom, Santa Ana Canyon. 152 Comment
  RSA405279  Hoffmannseggia glauca T. W. Minthorn s.n Orange Santa Ana Mnt. Comment
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Nov 15 2013
  CAS-BOT-BC402179  Hoita macrostachya R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49564 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  SD40737  Holodiscus discolor E. R. Johnson 1933-6-22 5000 Orange Rancho Santa Ana, Santa Ana Canyon, NW corner of ranch, 1/4 Mi. E, 1/2 mi. S 305 Comment
  CAS-BOT-BC150004  Holodiscus discolor var. discolor B. D. Stark 1931-6-20 2248 Orange East fork of Claymine Canyon, north end of Santa Ana Mountains 304 Comment
  RSA615545  Holodiscus microphyllus Fred M. Roberts Jr., Kirsten Winter, Leanne Naue 1997-6-5 5039 Orange Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School. 24 Comment
  UCSB48055  Hordeum depressum Fritzke, Sue; Roberts, Fred 1982-4-3 Orange Hills in Dana Point, 1.0km N Dana Hills High School; 1.9km W Marco Forster Junior High 100 Comment
  RSA642528  Hordeum intercedens D. E. Bramlet 1998-5-19 2620 Orange San Juan Hills. 1.13km west of La Pata Ave. and 1.22km north of Prima Deshecha Canada. On a ridgeline 213m east of a small canyon., UTM 11S 04 41 816mE X 37 06 152mN. 152 Comment
  RSA704076  Hordeum intercedens D. E. Bramlet, Fred M. Roberts 2003-5-15 3436 Orange Donna O'Neill Reserve. SE corner of the reserve 152m west of Cristianitos Rd. and 731m north of Pico. The site is 122m NW of the SDGE substation 98 Comment
  UCR150375  Hordeum intercedens D. E. Bramlet 1998-5-19 2620 Orange Coastal Plains & Basins/Los Angeles Basin region, San Juan Hills: 1.13 km west of La Pata Ave. and 1.22 km N of Prima Deshecha Canada. A ridgeline 213 m east of a small canyon 152 Comment
  UCR168466  Hordeum intercedens D. E. Bramlet, Fred M. Roberts 2003-5-8 3433 Orange Donna O'Neill Reserve, S-mid east area of reserve, 91 m west of Cristianitos Rd. and 152 m south of the east - west road, San Clemente 119 Comment
  UCR85724  Hordeum marinum Scott D. White 1993-4-28 1282 Orange Pacific slope, Tustin Marine Corps Air Station, NW of Peters Canyon Channel, between Moffett Dr. & Warner Comment
  HSC10201  Hordeum murinum subsp. leporinum D. W. Snell 1964-3-22 1 Orange 1/2 mi. S of Imperial Hwy., 1 mi. W of Yorba Linda. Comment
  RSA543972  Hordeum murinum subsp. leporinum Steve Boyd, Orlando Mistretta 1991-5-9 6202 B Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 Comment
  UCSB48126  Hordeum vulgare Roberts, Fred 1981-4-11 Orange Highway 74: 5.2km E San Juan Capistrano, near San Juan Creek crossing 52 Comment
  UCSB52886  Horkelia cuneata var. puberula 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
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Oct 28 2018
  RSA699285  Hydrocotyle umbellata J. R. Bruff 1930-10 s.n. Orange Santa Ana River, 1st Street. Comment
  UC1543186  Hypochaeris glabra Donald G. Nelson 1935-4-6 234 Orange e San Juan Capistrano; Cleveland National Forest Comment
  UCR103159  Hypochaeris glabra Scott D. White 1997-3-26 4823 Orange Univ. of Calif. Irvine Campus, east of main campus at site of proposed student recreation center, east of main campus, between California Avenue and Culver Drive. 40 Comment
  UCR209349  Hypochaeris glabra Fred M. Roberts 2008-4-14 6892 Orange Santa Ana Mountains, Upper Weir Canyon, east fork, 3.4 km eat of Robbers Peak, Irvine Ranch Conservancy 433 Comment
  CAS-BOT-BC438782  Ipomoea cairica R. E. Riefner, Jr. 2012-11-27 12 -563 Orange City of Laguna Beach, South Crescent Beach, Circle Way near Cliff Drive. 3 Comment
  SD247408  Ipomoea cairica R. E. Riefner Jr. 2012-11-27 12 563 Orange City of Laguna Beach, Southe Crescent Beach, Circly Way near Cliff Drive. 3 Comment
  CAS-BOT-BC315732  Isocoma menziesii B. Pitzer; T. Tennant 1997-11-8 3377 Orange Pelican Point Area, grassland area between Pacific Coast Hwy. and the bike trail, Crystal Cove State Park 30 Comment
  RSA719418  Isocoma menziesii var. menziesii Fred M. Roberts, Lee Ann Caranza 2006-10-25 6458 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  CAS-BOT-BC311670  Isocoma menziesii var. vernonioides John Thomas Howell 1927-9-24 3105 Orange On n. side of Santa Ana Canon [Canyon] 152 Comment
  CDA8035  Isocoma menziesii var. vernonioides E. Dudley 1956-10-26 Orange Bryant Ranch, Irvine. 0 Comment
  POM361284  Isocoma menziesii var. vernonioides Anstruther Davidson 1917-08 3268 Orange Near Laguna Beach. Comment
  RSA731649  Isocoma menziesii var. vernonioides Fred M. Roberts 2007-10-29 6630 Orange Laguna Beach: Temple Hill, Nyes Place, ca. 0.2 km S Moulton Meadows Park. 232 Comment
  RSA892  Isocoma menziesii var. vernonioides J. T. Howell 1927-9-24 738 Orange Santa Ana Botany Garden 152 Comment
  SD136909  Isocoma menziesii var. vernonioides Steve Boyd, Tim Ross 1994-9-14 8344 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness area, Lucas Canyon trail at stream crossing in Aliso Canyon 341 Comment
  IRVC19387  Isomeris arborea R. L. Allen 1975-2-18 Orange Dana Hills High School nature preserve; common. Dana Point Comment
  UC536931  Isomeris arborea Lawrence M. Booth 1932-5-12 1045 Orange Newport Bay Comment
  UCR239636  Isomeris arborea var. arborea Fred M. Roberts 2012-4-24 7504 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  RSA39344  Iva axillaris subsp. robustior E. L. Paddock 1943-6-16 12732 Orange Santa Fe Railway 0.25 mile W of Esperanza Station Grounds (opposite Ernest Yorba property). Comment
  CAS-BOT-BC334207  Iva hayesiana R. E. Riefner, Jr. 2013-8-30 13 -206 Orange City of Huntington Beach, N of Pacific Coast Hwy along the Santa Ana River Trial, W side Santa Ana River 7 Comment
  UC537018  Jaumea carnosa Lawrence M. Booth 1932-6-9 1183 Orange Newport Bay Comment
  RSA701954  Jepsonia parryi Fred M. Roberts, Robert L. Allen 2004-1-16 6021 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.63 km SSW Gato Gate and 0.23km W of Cristianitos Rd. 107 Comment
  RSA797478  Jepsonia parryi R. F. Thorne 1977-11-21 49991 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  CAS-BOT-BC426246  Jepsonia parryi John Thomas Howell 1929-2-7 4094 Orange Claymine Canon, n. Samta Ana Mts. 243 Comment
  POM9770  Jepsonia parryi Gordon Nicholsen 1921-01 s.n. Orange Santa Ana Canyon. Comment
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Aug 8 2010
  CAS-BOT-BC101920  Juglans californica Ira L. Wiggins 1966-5-11 20660 Orange Carbon Canyon, about 1 mile above its mouth Comment
  HSC13962  Juglans californica S. M. Clapp 1966-4-10 39 Orange 1 mi. N of Brea, on Brea Canyon Rd. 61 Comment
  RSA226639  Juglans californica Christopher Davidson, B. Benny 1971-6-15 1555 Orange Carbon Canyon, 1 mile SW of Carbon Canyon mineral spring. Comment
  RSA0011066  Juglans californica D. A. Young 1969-5-21 P 408 Orange Collected approx. 10 miles NE of CSCF [Calif State College Fullerton, now CSUSF] on Carbon Canyon Rd. at the Orange Co. Line. 244 Comment
  RSA17266  Juglans californica var. californica Carl B. Wolf 1936-7-8 8103 Orange West side of Durant St. Santa Ana. 30 Comment
  SD248444  Juglans hindsii R. E. Riefner Jr. 2013-11-6 13 233 Orange City of Laguna Beach, Laguna Canyon, N of Phillips Street on East side of Laguna Canyon Road. 71 Comment
  SD253480  Juglans hindsii R. E. Riefner Jr. 2010-9-8 10 121 Orange City of Laguna Beach, Laguna Canyon, ca 0.15 mile S of El Toro Road on E side of Laguna Canyon Road. 74 Comment
  IRVC29826  Juncus acutus subsp. leopoldii Artie Thomas, Mark A. Elvin 2006-9-23 609238 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
  UC842095  Juncus acutus subsp. leopoldii Louis C. Wheeler 1932-6-25 869 Orange inlet arm of Newport Bay Newport Bay 0 Comment
  UCR193378  Juncus balticus subsp. ater A. C. Sanders, Mitch Provance 2008-5-20 35395 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
  RSA678522  Juncus bufonius var. bufonius Fred M. Roberts, M. Lee, Kristen Szabo 2001-4-13 5427 Orange Rancho Mission Viejo: South of San Juan Creek, 0.6km WNW Median Rancho Survey Marker. PCR Vernal Pool 2. 183 Comment
  UCSB48028  Juncus bufonius var. bufonius Roberts, Fred 1980-5-4 Orange Mission Viejo: along Santa Fe Railroad and Camino Capistrano; 1.7km N Crown Valley Parkway; 1.1km S BM 316 14 Comment
  UCR158851  Juncus macrophyllus A. C. Sanders, Mark A. Elvin 2005-9-2 31604 Orange Peninsular Range; Santa Ana Mtns., mouth of Lion Canyon near Lower San Juan Picnic Area, San Juan Creek Canyon 427 Comment
  RSA108  Juncus mexicanus J. T. Howell 1927-7-18 436 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA0014060  Juncus rugulosus Fred M. Roberts, R. E. Riefner 2010-5-30 7134 Orange Lomas de Santiago: Loma Ridge, Hanging Man s Tree Cyn., along Hanging Man s Tree Cyn. Rd., c.a. 0.4km W Santiago Cyn. Rd., and 1.2 km N Bolero Lookout. 372 Comment
  RSA110  Juncus rugulosus J. T. Howell 1927-7-18 423 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA699733  Juncus rugulosus Keith E. Hoffmaster 1934-7-15 s.n. Orange Santa Ana Mts (Modjeska) Comment
  UCR138410  Juncus rugulosus Scott D. White, Brian Leatherman 1997-6-12 5317 Orange Santa Ana Mtn. foothills, E of San Juan Capistrano: San Juan Creek between Hwy 74 bridge and Mission Vieja site, i.e. c. 2-4 mi east of Hwy I-15/Hwy 74 junction 76 Comment
  UC536958  Juncus textilis Lawrence M. Booth 1932-6-7 1159 Orange Newport Lagoon Comment
  UC1601822  Juncus torreyi S. B. and W. F. Parish 1882-10-1 1593 Orange Orange Comment
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Jul 18 2010
  RSA7323  Juncus xiphioides E. R. Johnson 1933-7-5 5166 Orange Rancho Santa Ana. 122 Comment
  UCR157709  Juncus xiphioides Adrian Wolf 1998-7-1 416 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
  UCR144744  Juniperus californica Karlin G. Marsh 1980-1 s.n. Orange Rancho Mission Viejo, about 1 mile east [south] of San Juan Creek in tributary drainage east of intersection of Prima Deschecha Dump Rd. and Ortega Hwy [dump is at 32250 La Pata Ave., San Juan Capistrano] 152 Comment
  CAS-BOT-BC383068  Juniperus rigida var. conferta R. E. Riefner, Jr. 2014-3-17 14 -72 Orange City of Newport Beach, beach area between Shorecliff Road and Cameo Shores Road 18 Comment
  RSA25894  Keckiella antirrhinoides Jenkins 1929-2-6 9858 Orange Claymine Canyon 213 Comment
  RSA659545  Keckiella antirrhinoides P. Shirokawa 1998-5-7 17 Orange Cleveland National Forest- Trabuco Ranger District, 0.35 miles from Ortega Highway (State Highway 74) on North Main Divide Road 823 Comment
  UCR234140  Keckiella antirrhinoides Dick Newell, Judy Booth 2012-4-6 244 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Road at Mountain View Trail, Cleveland National Forest 610 Comment
  UCSB52861  Keckiella antirrhinoides Roberts, Fred; Marsh, K. 1984-4-21 Orange Santa Ana Mts; Lost Women Canyon at confluence with Silverado Canyon; 2.2km WSW Bald Peak; 2.2km SE Bedford Peak 625 Comment
  LA209269  Keckiella cordifolia W. E. Pequegnat; August 1937 16 Orange Santa Ana Mountains, Santiago Peak 1523 Comment
  RSA293307  Keckiella cordifolia D. C. Michener 1980-6-21 3683 Orange Starr Audubon Sanctuary. Riparian woodland margin in Crow Creek ca. 1.5 mi. north of confluence with Bell Canyon. 250 Comment
  RSA401706A  Keckiella cordifolia F. R. Fosberg 1931-6-21 S- 5133 Orange Silverado Canyon. Santa Anita Mts. Comment
  RSA659638  Keckiella cordifolia T. A. Daubert 1991-5-26 676 Orange Tucker Wildlife Sanctuary, Modjeska Canyon, turn around island Comment
  RSA734912  Keckiella cordifolia A. C. Sanders, Fred M. Roberts 2008-6-17 35460 Orange Lomas de Santiago, Hicks Canyon Haul Road 0.5 mi. east of the Foothill Transportation Corridor 244 Comment
  UCR193341  Keckiella cordifolia A. C. Sanders, Fred M. Roberts 2008-6-17 35460 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Hicks Canyon Haul Road 0.5 mi. east of the Foothill Transportation Corridor 244 Comment
  UCR228799  Keckiella cordifolia Dick Newell, Don Millar 2011-5-3 140 Orange Coastal Plains, San Joaquin Hills, Laguna Canyon Wilderness Park, Willow Trail 160 Comment
  SD245486  Keckiella cordifolia Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49620 Orange Santa Ana Mountains: about 1 mile above San Juan Fire Station. Comment
  JEPS1808  Kickxia elatine Frank W. Peirson 1927-9-25 7676 Orange flats below Wintersberg Comment
  UCR150570  Kickxia elatine Scott D. White, Matt Carlton 2003-11-20 9866 Orange South Coastal Plain, Santa Ana Mtn foothills. San Juan Creek in San Juan Capistrano 24 Comment
  UCR132992  Koeleria macrantha Adrian Wolf 2000-1 457 Orange Santa Ana Mtns., North Ranch Policy Plan Area, tributary to Blind Canyon, NW of coal mine 305 Comment
  RSA725959  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
  SEINET998786  Koelreuteria bipinnata R. E. Riefner Jr. 2006-1 06 -673 Orange South Coast: Irvine, along San Diego Creek at Campus Ave. (Tustin 7.5' Q.) 4 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
  RSA699580  Lactuca scariola Anonymous s.n. Orange Santa Ana Comment
  POM202181  Lactuca serriola L. M. Booth 1932-7-19 1283 Orange Bolsas Marsh. Comment
  RSA12634  Lactuca serriola C. B. Wolf 1934-8-16 6065 Orange Bryant Ranch E of Long Beach, Bixby Ave 100 ft and E of SW corner NW/4 NE/4, S31. 6 Comment
  RSA0038507  Lagunaria patersonia R. E. Riefner Jr. 2011-6-29 11 -76 Orange city of Laguna Beach, general area of Shaw's Cove, vicinity of Cliff Drive and Fairview Street 1 Comment
  SFV16193  Lamarckia aurea R. K. Stachelek, B. Anderson, F. Schropshire 1995-3-1 43 Orange Newport Beach - Santa Ana city border. Along University Road footpath about 0.25 miles from intersection with Irvine Ave. Comment
  UCR166703  Lantana camara Scott D. White, Jennifer H. Jones 2005-3-31 10854 Orange South Coast, City of Laguna Beach. 549 Nyes Place. Proposed home site on c. 0.5 acre. 91 Comment
  UC942889  Lasthenia glabrata subsp. coulteri Lewis S. Rose 1949-4-18 49047 Orange Seal Beach Comment
  SEINET5585513  Lasthenia glabrata subsp. glabrata R. E. Riefner Jr. 2013-1 13 -39 Orange City of Lake Forest, along El Toro Rd. at Destry Rd. 211 Comment
  UC484260  Lasthenia gracilis C. B. Wolf 1931-3-6 1847 Orange 1 mi above Trabuco Oaks Trabuco Canyon; Santa Ana Mts. 518 Comment
  UCSB48051  Lasthenia gracilis Fritzke, S.; Roberts, Jr., Fred 1982-4-3 Orange Dana Point; hills, 1.0 km. N of Dana Hills High School; 1.9 km. W of Marco Forster Junior High School 100 Comment
  SEINET6071273  Lathyrus laetiflorus Unknown 1988-1-12 5117 Orange Cleveland National Forest, San Juan Creek at Lower San Juan Campground. Comment
  SEINET956308  Lathyrus vestitus Scott D. White 1997-1 b- 4698 Orange Above Modjeska Canyon. Proposed water tank site. 427 Comment
  POM212417  Lathyrus vestitus subsp. alefeldii C. B. Wolf 1931-3-6 1835 Orange Trabuco canyon, 1/2 mile above Trabuco Oaks, west slope of Santa Ana Mountains. 457 Comment
  IRVC11716  Lathyrus vestitus subsp. laetiflorus B. T. Gittins 1963-4-18 171-D Orange Silverado Canyon. Santa Ana Mountains Comment
  IRVC2207  Lathyrus vestitus subsp. laetiflorus B. Mawdsley 1965-5-2 Orange Cleveland National Forest; Silverado [Canyon]. Santa Ana Mountains Comment
  RSA699675  Layia platyglossa Keith E. Hoffmaster 1935-4-19 s.n. Orange Santiago can. near Silverado ca., Santa Ana Mountains. 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
  RSA300978  Lepechinia cardiophylla D. C. Michener 1982-8-4 4167 Orange Formerly disturbed area above main divide road ca 1/4 mile southeast of Beeks Place [5.9 miles west of jct of Chase & Skyline in Corona, off of latter].West side of divide above Tin Mine Canyon. 915 Comment
  RSA443836  Lepechinia cardiophylla Gordon Marsh, Karlin G. Marsh 1978-5-13 s.n. Orange Claymine Canyon Road; above Claymine Canyon center on west ridge and near road. Comment
  RSA608238  Lepechinia cardiophylla Steve Boyd, Bart O'Brien 1998-1-13 10072 Orange Santa Ana Mountains: north end of the range, saddle between Mabey and Fremont canyons, along Main Divide Road ( 3S04) ca. 1.0 mi N of Oak Flat. 884 Comment
  RSA741723  Lepechinia cardiophylla R. E. Riefner Jr. 2008-3-21 8 -59 Orange Irvine Ranch Reserve, Fremont Canyon Conservation Easement, W Fremont Canyon, Windy Ridge S to W fork canyon habitat. 463 Comment
  RSA731752  Lepidium didymum 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
  POM183942  Lepidium lasiocarpum P. A. Munz 1932-3-29 12191 Orange Costa Mesa. Comment
  RSA682597  Lepidium lasiocarpum Scott D. White, Amanda Duchardt 2003-3-27 8861 Orange Canyon bottom and west facing slopes above Canada Gobernadora. 91 Comment
  IRVC1102  Lepidium lasiocarpum C. Hooven 1965-4-1 Orange Jamboree Rd. Newport Beach Comment
  RSA732067  Lepidium nitidum A. C. Sanders, Fred M. Roberts 2008-3-25 34515 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR102019  Lepidium nitidum B. G. Pitzer 1997-3-25 3026 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, along the bike trail 30 Comment
  IRVC25434  Lepidium pinnatifidum Fred M. Roberts 1987-7-8 3471 Orange San Diego Creek, near San Diego Freeway crossing, 3.2km N UC Irvine Campus center; Irvine 5 Comment
  UC537122  Lepidium virginicum Lawrence M. Booth 1932-5-24 1098 Orange Newport Lagoon Comment
  HSC6841  Lepidium virginicum D. H. Norris 1956-6-16 10 Orange Along Guess Rd., near Eno River Comment
  CAS-BOT-BC329357  Lepidospartum squamatum John Thomas Howell 1927-7-28 2864 Orange North side of Santa Ana Canon 152 Comment
  RSA703703  Lepidospartum squamatum Fred M. Roberts, David E. Bramlet 2004-7-30 6089 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy Cristianitos Canyon, along Cristianitos Ck., 0.93 km SSW Gato Gate and 0.23 km W Cristianitos Road. 76 Comment
  RSA712939  Leptochloa fusca subsp. uninervia Fred M. Roberts 2005-10-3 6304 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  CDA1048  Leptochloa uninervia D. G. Kelch 2006-12-9 6 .552 Orange Irvine. University Dr along tidal creek just E of I-73. Comment
  UCD169759  Leptosiphon floribundus subsp. floribundus R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49714 Orange Santa Ana Mountains: Bedford Truck Trail, ca. 0.8 km below junction with Main Divide Truck Trail. 891 Comment
  UCSB47633  Leptosiphon floribundus subsp. glaber Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail, 0.6 km. southeast Trabuco Peak on east side of road, Santa Ana Mtns. 1259 Comment
  RSA602109  Leptosiphon parviflorus Scott D. White 1997-5-6 5036 Orange Santa Ana Mountians, Santiago Canyon Area: Unnamed tributary to Santiago Creek flowing from the SW, directly W of Pancho Canyon. Lomas de Santiago S179. 366 Comment
  RSA0011212  Leptosiphon parviflorus Eileen McCollum 1932-4-3 s.n. Orange Near Mojeska's, Santa Ana Mts Comment
  UCR241909  Lessingia filaginifolia Fred M. Roberts 2012-5-10 7567 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km north of Pelican Hill summit 154 Comment
  RSA0023265  Leymus triticoides R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49775 Orange Santa Ana Mountains: Trabuco Canyon Comment
  CAS-BOT-BC130581  Lilium humboldtii John Thomas Howell 1927-7-3 2645 Orange Claymine Canyon, n. Santa Ana Mts. 304 Comment
  CAS-BOT-BC130582  Lilium humboldtii John Thomas Howell 1927-7-26 2841 Orange SE. fork of Claymine [Canon] Canyon, n. Santa Ana Mts. 304 Comment
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Mar 27 2018
  RSA716775  Lilium humboldtii Fred M. Roberts, Michelle Balk, Robert Allen, Chris Brnhill 2004-6-19 6066 Orange Santa Ana Mtns: Holy Jim Cyn.: Holy Jim Trail, 3.5km SE summit of Santiago Peak. 610 Comment
  UCR231348  Lilium humboldtii A. C. Sanders, Kent Beaman 2011-9-27 39901 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Truck Trail above Silverado, at major (dry) stream crossing, 3.95 km NNW (347 deg. ) of Santiago Peak 903 Comment
  RSA649674  Lilium humboldtii subsp. ocellatum R. E. Riefner 2000-6-30 20 -594 Orange NCCP North Ranch Policy Plan Area. N Fremont Canyon at Donaldson Ranch adjacent to powerline crossing on W fork of Fremont Canyon drainage. 427 Comment
  IRVC26901  Limonium R. E. Reifner 2002-5-4 20 92 Orange Upper Newport Bay; Jamboree Road at Bayview Drive. Southern Coastal 15 Comment
  SD124089  Limonium californicum C. W. Tilforth 1975-9-6 1042 Orange Northeast shoreline of Upper Bay, Newport Beach. Comment
  RSA234500  Limonium californicum var. mexicanum James Henrickson 1970-7-24 5022 Orange 3 miles NW of Huntington Beach in slough near pickleweed flats NE of Inner Bolsa Bay in Bolsa Chica Salt Marsh. 0 Comment
  UCD64190  Limonium ramosissimum Daniel Sanchez-Mata 2006-7-1 s.n. Orange Laguna Niguel. Dana Point Highlands. Crown Valley Parkway-Pacific Island Drive. 70 Comment
  SEINET6045534  Linanthus E. W. Lathrop 1974-6-27 7420 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon. Cleveland National Forest. Comment
  CAS-BOT-BC226778  Linanthus californicus C. B. Wolf 1931-3-6 1831 Orange 1 1/2 miles below Trabuco Oaks along Trabuco Canyon road, west slope Santa Ana Mts. 304 Comment
  CHSC13481  Linanthus californicus T. N. Casale 1974-4-11 5 Orange On side of road, ca. 7.3 mi ne of the Mission San Juan Capistrano on Hwy 74. 243 Comment
  RSA221060  Linanthus californicus E. W. Lathrop 1966-3-23 6110 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA749298  Linanthus californicus Fred M. Roberts 1999-4-22 5185 Orange Lomas de Santiago: tributary to Santiago Creek wash along spur road on ridge between Limestone Cyn. and Santiago Creek wash opposite Williams Cyn., 1.9 km SE Silverado Sch. and 2.2 km NNW Bolero Lookout. 395 Comment
  SD42979  Linanthus californicus E. B. Harbison Mar 1948 Orange San Juan Camp. Comment
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Sep 30 2013
  RSA468459  Linanthus californicus N. C. Cooper 1949-5-1 3940 Orange San Juan Canyon. 610 Comment
  RSA618  Linanthus californicus subsp. glandulosus J. T. Howell 1927-6-26 229 Orange Claymine Canyon, near Sierra Peak. 457 Comment
  JEPS58364  Linanthus dianthiflorus Alice King Mar 1908 Orange near Anaheim; Santiago Creek Comment
  JEPS89271  Linanthus dianthiflorus Rimo Bacigalupi and L. Heckard, P. C. Hutchison 1962-3-16 8233 Orange 2 mi n Doheny Beach State Park (fields above ocean) Comment
  RSA773510  Linanthus dianthiflorus Fred M. Roberts 1999-4-26 5198 Orange Lomas de Santiago: Lomas Ridge, tributary to Santiago Canyon Wash on ridge between Limestone Canyon and the wash, 1.4 km SE Silverado School, and 2.7 km N Bolero Lookout. 358 Comment
  UCR266297  Linanthus dianthiflorus D. E. Bramlet, J. E. Harrison 2008-4-3 4155 Orange Peninsular Range; Santa Ana Mountains, South Bee Canyon, Bowerman landfill site, 1.2 km south of the Bee Canyon access road, and 122 m west of the active landfill 224 Comment
  RSA698396  Linanthus dianthiflorus G. Jentges 1932-4-1 s.n. Orange Near Dam above Truine Park Santiago Canyon. Comment
  SEINET6969978  Linanthus dianthiflorus W. P. Vestal, A. G. Vestal 1955-3-24 3459 Orange Trabuco Canyon, about 5 miles east of El Toro. Comment
  RSA690973  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-29 9424 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
  RSA698401  Linanthus parviflorus Dorothy Sammis s.n. Orange Trabuco Canyon. Comment
  UC564024  Linanthus parviflorus L. R. Abrams 1935-4-7 13681 Orange San Juan Hot Springs Mouth of San Juan Canyon Comment
  UCR191340  Linaria canadensis A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34617 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
  RSA749524  Linaria canadensis var. texana Fred M. Roberts 2008-4-8 6849 Orange Lomas de Santiago: Loma Ridge, Upper Dripping Springs Cyn., 1.0 km NE Bee Peak, Irvine Ranch Conservancy. 458 Comment
  CDA6326  Linaria maroccana J. McNeill 1969-4-1 3034 Orange The Bluffs, Eastbluffs, Newport. Comment
  CAS-BOT-BC520399  Liquidambar styraciflua R. E. Riefner, Jr. 2014-11-28 14 -406 Orange City of Newport Beach, SW corner Jamboree Rd at MaArthur Blvd. 16 Comment
  CAS-BOT-BC432275  Lithophragma affine Alice Eastwood; John Thomas Howell 1937-4-24 3927 Orange 2 miles E of San Juan Hot Springs Comment
  IRVC16249  Lobelia dunnii var. serrata Karlin G. Marsh 1977-9-23 Orange Holy Jim Canyon, Holy Jim Falls. Santa Ana Mountains Comment
  RSA731945  Lobularia maritima Fred M. Roberts, Sandy Leatherman 2007-11-27 6690 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  RSA651352  Lobularia maritima R. Spence 1974-8-13 s.n. Orange Upper Newport Bay. Comment
  RSA0069230  Logfia arizonica Fred M. Roberts, Megan Lulow 2009-3-18 7135 Orange Santa Ana Mtns.: Lomas De Santiago: Loma Ridge, Lower Hicks Canyon, about 350 meters from south side of Haul Road, 1.9 km E Rattlesnake Cyn. Reservoir Dam and 2.1 km W Bee Peak. 172 Comment
  CAS-BOT-BC283494  Lolium multiflorum Carl B. Wolf 1932-7-7 3858 Orange Bryant Ranch, Bryant Ave, at pump house, 0.5 mile E of Los Alamitos Blvd Comment
  UC537116  Lolium multiflorum Lawrence M. Booth 1932-5-15 1203 Orange Newport Bay Costa Mesa; Newport Bay Comment
  CAS-BOT-BC269108  Lolium perenne Scott D. White 1997-3-26 4810 Orange Univ. of Calif. Irvine Campus: Site of proposed student recreation center, east of main campus. Existing Farm School and adjacent grasslands (horse pasture) between California Ave. and Culver Dr. 30 Comment
  RSA734893  Lolium perenne subsp. multiflorum A. C. Sanders, Mitch Provance 2008-5-20 35419 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile blow Modjeska Canyon confluence. 345 Comment
  UCR97884  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 1997-4-24 1648 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
  RSA0011625  Lolium perenne subsp. multiflorum Rankin s.n. Orange Santa Ana. Comment
  RSA488121  Lomatium dasycarpum subsp. dasycarpum Fred M. Roberts, K. G. Marsh 1984-2-15 1193 Orange Caspers Regional Park: South rim of Lucas Cyn., 3.6 km NE Visitor Center; 0.7 km WNW Lucas Survey Mark 360 Comment
  CAS-BOT-BC234845  Lonicera subspicata var. denudata Helen D. Geis 1902-5-1 s.n. Orange Santiago Canon [Canyon] 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
  RSA768119  Lonicera subspicata var. johnstonii E. W. Lathrop 1974-6-27 7424 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  IRVC26711  Lotus argophyllus var. argenteus Mark A. Elvin 2004-4-4 3212 Orange UCI Arboretum Southern Coastal 15 Comment
  RSA681023  Lotus hamatus Fred M. Roberts, David E. Bramlet 2003-3-13 5582 Orange Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 207 Comment
  RSA732055  Lotus hamatus A. C. Sanders, Fred M. Roberts 2008-3-25 34520 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  RSA603367  Lotus heermannii Scott D. White, Brian Leatherman 1997-6-12 5338 Orange East of San Juan Capistrano: San Juan Creek beteen Highway 74 bridge and Mission Vieja site, i.e. ca. 2 - 4 miles E of I-15 [Interstate 5] / Highway 74 junction. 46 Comment
  IRVC15130  Lotus heermannii var. heermannii A. S. Boughey 1968-7-9 383 Orange Santa Ana mtns: upper Santiago Canyon. Peninsular Ranges Comment
  RSA734806  Lotus humistratus A. C. Sanders, Fred M. Roberts 2008-5-6 35254 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
  UCR174218  Lotus purshianus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33042 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
  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
  UCR222416  Lotus salsuginosus D. E. Bramlet 2008-3-26 4118 Orange Peninsular Range; Santa Ana Mountains, Bee Canyon, Bowerman landfill site. 202 m south of the Bee Canyon access road and 151 m west of the active landfill entrance 295 Comment
  RSA697977  Lotus scoparius Jeanne Paxton 1934-2-25 s.n. Orange Sugar Loaf Canyon, Arch Beach Comment
  RSA708446  Lotus scoparius Mark Elvin 2004-5-2 3406 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7 km (air) NNW of UC Irvine Campus center. 3 Comment
  UCR131884  Lotus scoparius J. Mallory, V. McCoy 1995-6-30 6454- 59 Orange Santa Ana Mountains: S-facing slope on Windy Ridge, c. 2.5 mi. south of 91 fwy. Comment
  SEINET2073834  Lotus scoparius R. Beal 1980-5-6 Orange Dana Point, above Pacific Ocean, top of sand hill. Comment
  SFV11543  Lotus scoparius M. L. Vincent 1963-7-8 426 Orange Santa Ana Mountains 1 mile west of Highway 74, lower San Juan Campground. Comment
  UCR181165  Lotus scoparius var. scoparius R. E. Riefner Jr. 2006-7-2 06- 277 Orange South Coast, Costa Mesa, St. Route 73 at 55 Freeway interchange 20 Comment
  UCR193062  Lotus scoparius var. scoparius A. C. Sanders, Fred M. Roberts 2008-5-6 35219 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon near Irvine Ranch gate and road junction to cement plant 180 Comment
  RSA406320  Lotus strigosus M. B. Dunkle 1933-4-7 3277 Orange Dana Point Comment
  RSA732077  Lotus strigosus A. C. Sanders, Fred M. Roberts 2008-3-25 34565 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  RSA751166  Lotus strigosus D. E. Bramlet 2008-5-15 4271 Orange Upper Borrego Cyn. 152m east of the access road and 1.7km west of Santiago Cyn Road 450 Comment
  RSA753164  Lotus strigosus D. E. Bramlet 2008-4-1 4146 Orange Ridgeline in Upper Hicks Canyon, 162m S of the Haul Road. 346 Comment
  UCR168249  Lotus strigosus M. B. Dunkle 1933-3-5 3087 Orange Southern Coast, San Juan Canyon 305 Comment
  UCR191322  Lotus strigosus A. C. Sanders, Fred M. Roberts 2008-4-8 34746 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, head of Hicks Canyon, S of Santiago Reservoir 351 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
  RSA542579  Lotus strigosus var. strigosus Fred M. Roberts 1988-3-15 3847 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  RSA406435  Lotus unifoliolatus M. B. Dunkle 1934-6-18 3988 Orange San Juan Canyon; Southern Coastal 305 Comment
  UCR207792  Ludwigia hexapetala O. F. Clarke 2004-6-23 s.n. Orange South Coast, Newport Back Bay, just south of the Muth Interpretive Center 15 Comment
  RSA21063  Ludwigia peploides subsp. peploides Ramon Valverde 1938-8-4 3229 Orange Rancho Santa Ana, Santa Ana Canyon. 122 Comment
  JEPS65411  Lupinus bicolor Alice King 1908-4-18 Orange Santa Ana Mts. Comment
  RSA734685  Lupinus bicolor A. C. Sanders, T. B. Salvato 2008-5-13 35340 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
  IRVC14829  Lupinus bicolor subsp. microphyllus Gordon A. Marsh, Karlin G. Marsh 1976-4-4 s.n. Orange El Toro: Canada Rd., opposite Rancho Alagre. Southern Coastal Comment
  IRVC24501  Lupinus bicolor subsp. umbellatus Fred M. Roberts, Gordon Marsh 1986-2-28 2623 Orange Mission Viejo: N of Oso Parkway; 4.2km NNE Saddleback Community College. Southern Coastal 200 Comment
  SD255174  Lupinus excubitus R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49802 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  IRVC20663  Lupinus excubitus var. hallii A. S. Boughey 1969-5-3 430 Orange Black Star Canyon on seaward side near crest. Santa Ana Mountains Comment
  POM212330  Lupinus excubitus var. hallii Carl B. Wolf 1931-3-25 1936 Orange along Santa Fe R. R, 1 mile west of Esperanza , Santa Ana Canyon. 107 Comment
  POM2477  Lupinus excubitus var. hallii Edward L. Greene 1903-4-1 4102 Orange Anaheim Comment
  RSA605683  Lupinus excubitus var. hallii R. S. Woglum 1938-5-8 1619 Orange Peninsular Ranges: Capistrano to Elsinore; Santa Ana Mountains. [Orange / Riverside counties] Comment
  IRVC2326  Lupinus hirsutissimus Kathy Durica 1965-4-25 s.n. Orange Silverado Canyon Santa Ana Mountains Comment
  UCSB47613  Lupinus hirsutissimus Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail, 0.4 km. NNE Falcon Group Camp (near Blue Jay CG); Santa Ana Mountains 1067 Comment
  IRVC22852  Lupinus latifolius var. parishii Fred M. Roberts 1985-6-7 1884 Orange Viejo Canyon, 0.5km N Hwy. 74, 2.5km W Lower San Juan Picnic Ground. santa Ana Mountains 327 Comment
  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
  RSA647937  Lupinus longifolius Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 55 Orange 1000 ft. north of Chino Hills State Park Boundary 229 Comment
  POM276293  Lupinus nanus subsp. menkerae Lyman D. Benson 1933-3-13 3089 a Orange caliente Wash, Greenhorn Range, Caliente Creek Watershed. 244 Comment
  UCR266299  Lupinus sparsiflorus D. E. Bramlet 2008-3-26 4126 Orange Peninsular Range; Santa Ana Mountains, Bee Canyon, Bowerman landfill site. 202 m south of the Bee Canyon access road and 151 m west of the active landfill entrance 295 Comment
  RSA4839  Lupinus succulentus James Snow 1932-1 s.n. Orange Bryant Ranch, near Long Beach. Comment
  UCR281555  Lupinus succulentus Mitch Provance, Jeremiah George 2017-3-20 317- 120 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
  RSA0058062  Lupinus succulentus Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49660 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  IRVC21273  Lupinus truncatus Fred M. Roberts, Karlin G. Marsh 1984-2-15 1203 Orange Casper's Regional Park: Rancho: Rancho Carrillo Rd., 1.0km NE Visitor Center; 3.0km SW Lucas Survey Mark, Santa Ana Mountains 150 Comment
  RSA414395  Lupinus truncatus M. B. Dunkle 1935-3-3 4346 Orange San Juan Canyon. 457 Comment
  SD143894  Lupinus truncatus Scott D. White 1997-3-28 4851 Orange Santas Ana Mountains; above Modjeska Canyon. 424 Comment
  UCR228781  Lupinus truncatus Dick Newell, Don Millar 2011-5-3 135 Orange Coastal Plains, San Joaquin Hills, Laguna Canyon Wilderness Park, Willow Trail 160 Comment
  IRVC15185  Lupinus truncatus Gordon A. Marsh, K. Conrey 1975-4-14 s.n. Orange Lomas de Santiago: Lomas Ridge, 1/4mi NNW Rattlesnake Canyon Reservoir Dam Southern Coastal Comment
  RSA699024  Lycium J. R. Bruff 1927-3-16 2 -R Orange Newport Bluff Comment
  UCR250330  Lycium brevipes R. E. Riefner Jr. 2012-6-22 12- 273 Orange city of Newport Beach, Corona del Mar, Little Corona Beach, vicinity of Poppy Ave. and Ocean Blvd. 4 Comment
  RSA719471  Lycium brevipes R. E. Riefner Jr. 2004-12-23 04 -558 Orange City of San Clemente, vicinity of San Clemente Pier at Ave. Del Mar. 3 Comment
  CAS-BOT-BC233471  Lycium californicum Albert N. Steward 1958-3-20 7396 Orange East of Daylight Pass, Death Valley National Monument 1219 Comment
  OBI9188  Lycium californicum Dieter H. Wilken, Timothy LeBlanc 1966-1-7 621 Orange Dana Point, N of San Juan Capistrano 3 Comment
  POM4193  Lycium californicum I. M. Johnston 1918-5-5 1949 Orange Laguna Beach. Comment
  UC536934  Lythrum californicum Lawrence M. Booth 1932-6-4 1147 Orange Newport Lagoon Comment
  RSA0014835  Lythrum californicum Keith E. Hoffmaster 1927-6-26 452 Orange [Unspecified] Comment
  RSA0014841  Lythrum californicum Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49631 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  RSA0014849  Lythrum californicum L. M. Booth 1932-7-19 1282 Orange Bolsas Marsh. Comment
  RSA0036648  Madia elegans subsp. elegans Robt. Allen, Chris Boever 2009-5-23 s.n. Orange Peninsular Ranges; Santa Ana Mountains region: Audubon Starr Ranch, west slope of Pruesker Peak, 431 air meters (0.27 air miles) northwest of View Rancho Survey Mark. 462 Comment
  CLARK-A1528-5622  Madia sativa John C. Roos 1960-5-30 Orange Santa Ana Mountains Comment
  POM201634  Malacothamnus fasciculatus L. M. Booth 838 Orange Santa Ana Canyon. Comment
  RSA13294  Malacothamnus fasciculatus Carl B. Wolf 1931-7-25 3893 Orange N side of pear orchard, Rancho Santa Ana, Santa Ana Canyon 122 Comment
  RSA433316  Malacothamnus fasciculatus Albert J. Perkins 1923-6-28 s.n. Orange Laguna Cliffs Comment
  UCR166728  Malacothamnus fasciculatus Scott D. White, Jennifer H. Jones 2005-3-31 10861 Orange South Coast, City of Laguna Beach. 549 Nyes Place. Proposed home site on c. 0.5 acre. 91 Comment
  UCR228776  Malacothamnus fasciculatus Dick Newell, Don Millar 2011-5-24 163 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Hicks Haul Road 286 Comment
  UCR98122  Malacothamnus fasciculatus George K. Helmkamp, E. A. Helmkamp 1997-4-24 1652 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
  UC1122014  Malacothamnus fasciculatus var. fasciculatus A. Lewis Apr 1934 398 Orange Tomato Spring Canyon 182 Comment
  SEINET4039761 Image available Malacothrix floccifera O. M. Clark 1947-1 14373 Orange Crescent Bay. Comment
  CDA1074  Malacothrix saxatilis D. G. Kelch 2006-12-9 6 .54 Orange Along Newport Back Bay Dr. in side canyon. Comment
  RSA717705  Malacothrix saxatilis Fred M. Roberts 2008-5-16 6978 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
  RSA732276  Malacothrix saxatilis var. tenuifolia A. C. Sanders 2008-4-29 35120 Orange Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir. 335 Comment
  RSA0061166  Malacothrix saxatilis var. tenuifolia Robt. Allen 2007-8-11 s.n. Orange Santa Ana Mountains region: Silverado Canyon. Along Maple Springs Road (5S04), circa 3.5 road miles N of Forest Gate. Near small bridge over creek, end of paved road. 913 Comment
  CDA25903  Malephora crocea Mark A. Elvin, D. G. Kelch 2006-12-9 5297 Orange Southern Coastal; Newport Backbay; Big Canyon, lower end. Comment
  UCSB16199  Malephora crocea Valentine, D. 1963-2-23 Orange Above Dana Point Pier, 2 mi. N of Doheny Beach State Park, 4 mi. N. of junction U.S. 101 and 101A at San Clemente 10 Comment
  IRVC23145  Malosma laurina Fred M. Roberts 1985-7-11 2027 Orange San Joaquin Hills: Laguna Canyon, Laguna Canyon Road near Laguna Lakes, 5.0km ENE Signal Peak. southern coastal 112 Comment
  UCR228797  Malosma laurina Dick Newell, Don Millar 2011-5-3 138 Orange Coastal Plains, San Joaquin Hills, Laguna Canyon Wilderness Park, Willow Trail 160 Comment
  HSC15991  Malva parviflora D. W. Snell 1964-3-22 2 Orange 1/2 mi. S of Imperial Hwy., 1 mi. W of Yorba Linda. 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
  HSC79313  Malva parviflora W. R. Marsh Aug 1972 37 Orange Between Artesia and Buena Park, E side of Artesia Ave., 1.5 mi. NW of Western Ave. 23 Comment
  RSA657743  Malva parviflora Ken Greby 1985-4-18 22 Orange alongside Laguna Canyon Rd. approx. 1.5 km. NE from El Toro Rd. 46 Comment
  POM12444  Malvella leprosa P. A. Munz 1922-9-2 6356 Orange Ponds in Laguna Canyon. 46 Comment
  RSA77178  Malvella leprosa F. W. Peirson 1924-5-31 4646 Orange Laguna Canyon, near Laguna Beach. 107 Comment
  UCR158159  Malvella leprosa Adrian Wolf 1998-5-27 332 Orange South Coast, Newport Slough, south of oil fields, between Huntington Beach, Costa Mesa and Newport Beach, just south of the channelized mouth of the Santa Ana River 2 Comment
  UCR258350  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
  RSA737539  Marah macrocarpa Fred M. Roberts 2008-3-12 6723 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  UCR237844  Marrubium vulgare Mark A. Elvin 2003-2-2 2273 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  UC1923821  Marsilea drummondii R. E. Riefner Jr. 2007-9-30 07 -415 Orange City of Yorba Linda, Santa Ana Canyon, urban runoff tributary to Santa Ana River, La Palma Ave. at Via Lomas De Yorba East. 110 Comment
  RSA590719  Marsilea vestita R. E. Riefner 1994-4-15 94 -319 Orange Dana Hills, w ca 2 mi. of Cooks Reservoir Comment
  UCR103165  Matricaria matricarioides Scott D. White 1997-3-26 4807 Orange Univ. of Calif. Irvine Campus, east of main campus at site of proposed student recreation center, east of main campus, between California Avenue and Culver Drive. 40 Comment
  UCSB56677  Matthiola incana Roberts, Jr., Fred 1984-2-4 Orange South Laguna; Aliso Canyon near mouth, 0.7 km. WNW Aliso Peak 15 Comment
  POM476  Matthiola incana D. L. Crawford 1916-8-3 743 Orange Aliso, Laguna Beach Region. Comment
  IRVC2375  Medicago polymorpha Janet Bryant 1965-3-14 s.n. Orange Newport Beach; [Newport] Back Bay. Southern Coastal Comment
  IRVC2381  Medicago polymorpha L. Aldis 1965-3-1 s.n. Orange Costa Mesa; Senate St. Southern Coastal Comment
  RSA731980  Medicago polymorpha A. C. Sanders 2008-4-1 34657 Orange Peninsular Range: Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 250 Comment
  UCD107893  Medicago polymorpha Ira L. Wiggins 1966-3-4 20492 Orange Shoulder of Peralta Ave. near junction of Newport Freeway and Riverside Highway. Comment
  UCR191419  Medicago polymorpha A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34657 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
  UCR230230  Medicago polymorpha Dick Newell, Don Millar 2011-3-15 079 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agua Chinon Wash 219 Comment
  POM348036  Medicago polymorpha Albert J. Perkins 1912-10-15 s.n. Orange Peatlands near head Newport Bay. Comment
  UCR192459  Medicago rigidula A. C. Sanders, Fred M. Roberts 2008-3-25 34527 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  CAS-BOT-BC532580  Medicago truncatula A. C. Sanders; Fred M. Roberts 2008-4-8 34738 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, Loma Ridge, head of Hicks Canyon, S of Santiago Reservoir 457 Comment
  SD241101  Melaleuca nesophila R. E. Riefner Jr. 2011-7-1 11 82 Orange City of Newpoprt Beach, beach area west of the end of Cameo Shores Road; south Ca. 1 mile from Poppy Avenue. 2 Comment
  SD243385  Melaleuca viminalis R. E. Riefner Jr. 2006-11-12 06 669 Orange City of Newport Beach, urban creek draining into San Diego Creek at confluence with Newport Bay near SR-73 overpass (San Joaquin Gun Club, Tustin 7.5'Q) 6 Comment
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Oct 4 2017
  UCR188928  Melianthus major Robert DeRuff 2007-11-24 s.n. Orange Newport Beach, Upper Newport Bay, above Back Bay Drive in the vicinity of the Narrows, c. 0.8 km north of Big Canyon 26 Comment
  CAS-BOT-BC281593  Melica imperfecta Helen D. Geis 1902-1-1 s.n. Orange Unspecified Comment
  RSA680537  Melica imperfecta Scott D. White 2003-3-21 8821 Orange Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 122 Comment
  IRVC2399  Melilotus albus L. Stilgenbauer 1965-4-8 s.n. Orange Newport Beach; Corona del Mar. Southern Coastal Comment
  IRVC24248  Melilotus albus Fred M. Roberts, G. A. Marsh 1985-10-25 2505 Orange Santa Ana River; adjacent to Costa Mesa, 1.3km SSW Adams St. bridge, Southern Coastal 2 Comment
  UCR223421  Melilotus albus Dick Newell, Don Millar 2011-3-1 067 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Hicks Canyon Haul Road, above Jeffrey Rd. and below Hwy 241 crossing 175 Comment
  CDA25989  Melilotus indicus Mark A. Elvin 2004-5-2 3410 Orange Southern Coastal; Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7km (air) NNW UC Irvine campus center Comment
  IRVC2411  Melilotus indicus Janet Morgan 1965-3-22 Orange San Clemente; Elmore Ranch. Southern Coastal Comment
  IRVC2414  Melilotus indicus J. B. Anderson 1966-4-12 568 Orange Newport Beach; [Newport] Back Bay. Southern Coastal Comment
  JEPS65539  Melilotus indicus Alice King April, 1908 Orange Santa Ana Comment
  RSA0043353  Melilotus indicus David Barrios 1991-5-1 7 Orange 1500 ft. northwest of Fairmont Ave and Quail Cir., Yorba Linda. 365 Comment
  RSA735029  Melilotus indicus Scott D. White, Justin M. Wood 2008-4-10 11849 Orange Chino Hills: Powerline access road just N of CHSP boundary and just W of Orange/SB co. line. Approx. 1 mi. NW of Gilman Peak. 366 Comment
  UCR191454  Melilotus indicus A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34636 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
  RSA184136  Melilotus indicus I. L. Wiggins 1966-3-18 20530 Orange California State College at Fullerton. Comment
  RSA741704  Mentzelia micrantha R. E. Riefner Jr. 2007-6-11 07 -252 Orange Santa Ana Mtns., Irvine Ranch Reserve, Fremont Canyon Conservation Easement, upper Fremont Canyon, Donaldson Ranch area. 382 Comment
  RSA759212  Mentzelia veatchiana Robt. Allen, Reginald Durant 2008-5-16 s.n. Orange Modjeska Peak, S face, base of a steep fire break cut from the summit down to the access road. Survey point 61. 1634 Comment
  RSA743512  Mesembryanthemum crystallinum Fred M. Roberts 2008-4-9 6864 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 45 Comment
  RSA113255  Mesembryanthemum crystallinum E. K. Balls 1955-4-4 20432 Orange Coastal Strand, mouth of Santa Ana River, W bank, Hwy 101. 3 Comment
  RSA74871  Mesembryanthemum crystallinum Elroy Robinson 1935-6-28 s.n. Orange San Clemente, along Santa Fe Railway. Comment
  UCR3314  Mesembryanthemum nodiflorum Cary Brown 1964-3-28 28364- 04 Orange South Coast, Hwy 101 alternate, 1 mile north of San Clemente 6 Comment
  RSA18532  Mesembryanthemum nodiflorum C. B. Wolf 1927-7-23 665 Orange Along the coast just north of San Clemente. 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
  RSA263682  Micropus californicus E. W. Lathrop 1966-4-10 6154 Orange Silverado Canyon Comment
  RSA543973  Micropus californicus Steve Boyd, Orlando Mistretta 1991-5-9 6203 Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 Comment
  UC1595639  Micropus californicus var. californicus Steve Boyd and Orlando Mistretta 1991-5-9 6203 Orange se of Sierra Peak (crest of range at Oak Flat, just w of Riverside County line); Santa Ana Mountains 792 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
  UCR158148  Microseris douglasii subsp. douglasii Adrian Wolf 1998-5-10 256 Orange Santa Ana Mtns., Fremont Canyon ridge, 3.4 km NE of Irvine Lake, under powerlines 457 Comment
  UCR107842  Microseris douglasii subsp. platycarpha Scott D. White 1998-3-16 6210 Orange University of California, Irvine campus. Site of proposed Research Park. SW of main campus circle, c. halfway between Berkeley Ave. and new freeway (Bonita Canyon). 37 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
  UCR158466  Microseris douglasii subsp. platycarpha Adrian Wolf 1998-4-20 110 Orange Santa Ana Mtns., lower Limestone Canyon near Irvine Lake, 3 km SE of Irvine Lake dam, north of Santiago Canyon Rd. 287 Comment
  RSA651500  Microseris douglasii subsp. platycarpha D. E. Bramlet 2000-4-12 2972 Orange Fremont Canyon. The site is 183m south of the existing access road on the north ridge of the canyon. The site is 1.37km northeast of Santiago Creek. 336 Comment
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Feb 21 2007
  RSA263649  Microseris lindleyi E. W. Lathrop 1966-4-6 6138 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  RSA732162  Microseris lindleyi A. C. Sanders, Fred M. Roberts 2008-4-22 35020 Orange Santa Ana Mtns.: Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 1200 Comment
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Nov 27 2009
  SEINET7067515  Mimulus aurantiacus A. G. Vestal 1947-6-12 s.n. Orange San Juan Canyon. Coordinate datum: NAD27. UTM Zone 11, 448887mE, 3712881mN. Comment
  POM77  Mimulus aurantiacus var. pubescens D. L. Crawford 1916-7-26 s.n. Orange Laguna Canyon. Comment
  RSA298668  Mimulus aurantiacus var. pubescens D. C. Michener 1981-6-19 3975 Orange Starr Ranch Audubon Sanctuary. Coastal sage-scrub formation in headwaters of Crow Canyon. Comment
  RSA442700  Mimulus aurantiacus var. pubescens Albert J. Perkins s.n. Orange San Juan Hot Springs Comment
  RSA647949  Mimulus aurantiacus var. pubescens Ken Greby 1985-5-17 35 Orange behind PG and E substation located 2 km. SE from Laguna Canyon Rd., on El Toro Rd., adjacent to Leisure World. Comment
  RSA550597  Mimulus aurantiacus var. puniceus Fred M. Roberts 1989-4-26 4317 Orange Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School. 24 Comment
  UCR140800  Mimulus aurantiacus var. puniceus Robin G. Marushia 2004-4-16 001 Orange Southern Coast, El Moro Canyon, Crystal Cove State Park, Laguna Beach; grassy ridge southwest of No Name Ridge road in park, downhill from pullout and below closed road to park entrance 244 Comment
  UCR209662  Mimulus aurantiacus var. puniceus Fred M. Roberts 2008-5-16 6981 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, along north slopes above Dana Strand Beach, 0.8 km west-northwest of the Marine Institute, Dana Point Harbor 45 Comment
  RSA650616  Mimulus brevipes R. S. Woglum 1932-4-16 s.n. Orange Trabuco Canyon, Santa Ana Mountains, Cleveland National Forest Comment
  RSA0054841  Mimulus brevipes Keith E. Hoffmaster 1934-4-8 150 Orange Santa Ana mts. Comment
  RSA790706  Mimulus brevipes L. C. Hull 1934-4-8 15 Orange Laguna Hills. Comment
  UCR237814  Mimulus cardinalis Dick Newell, Judy Booth 2012-7-15 281 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, on Maple Springs Road 0.84 mi. NE of Maple Springs gate 638 Comment
  RSA16334  Mimulus clevelandii Percy C. Everett 1935-6-18 7200 Orange Main Divide Motorway 7 miles from Santiago Peak lookout station 1311 Comment
  UC718440  Mimulus clevelandii P. C. Everett 1935-6-18 7200 Orange 7 mi from Santiago Peak Lookout Station (Mian Divide Motorway); Santa Ana Mts. 1310 Comment
  UCR193504  Mimulus floribundus A. C. Sanders, T. B. Salvato 2008-5-13 35335 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
  POM48282  Mimulus pilosus I. M. Johnston 1924-7-10 s.n. Orange Laguna 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
  IRVC25444  Minuartia douglasii var. douglasii Fred M. Roberts 1987-5-9 3432 Orange San Juan Trail above Chiquito Basin, 2.3km SSE Los Pinos Peak, Santa Ana Mountains 952 Comment
  SEINET11941950  Mirabilis californica J. F. Bright, Wyman, C. 1933-1 8104 Orange In Santa Ana Foothills Comment
  RSA700926  Mirabilis laevis Keith E. Hoffmaster 1928-5-5 s.n. Orange San Onofre, other places Comment
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Nov 19 2013
  UCR220305  Mirabilis laevis Dick Newell, Don Millar, Jutta Burger 2010-3-16 011 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Agua Chinon Wash 250 m north of Hwy 241 toll road 201 Comment
  UCR203978  Mirabilis laevis var. crassifolia Fred M. Roberts 2008-3-12 6712 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  JEPS61343  Mirabilis laevis var. crassifolia Alice King 1908-4-18 Orange near Santa Ana; ; Near Santa Ana Comment
  CAS-BOT-BC385102  Mirabilis linearis var. decipiens Grace Cole Fleischman 1955-9-6 s.n. Orange Vicinty of Anaheim [communicated by Grace Cole Fleischman, per label] 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
  RSA0010775  Mollugo verticillata P. A. Munz 1922-9-2 6357 Orange Ponds in Laguna Canyon. 46 Comment
  POM1190  Monanthochloe littoralis D. L. Crawford 1928-07 s.n. Orange Abalon Pt. Comment
  UCR207556  Monanthochloe littoralis O. F. Clarke 2004-4-5 s.n. Orange South Coast, Newport Back Bay 3 Comment
  IRVC28200  Monardella hypoleuca A. C. Sanders, Mark A. Elvin 2005-9-2 31609 Orange Upper Holy Jim Canyon, a major tributary of Trabuco Cyn, along trail in the switchbacks. Santa Ana Mountains 970 Comment
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Aug 13 2012
  RSA191948  Monardella hypoleuca Robert F. Thorne 1963-7-26 32858 Orange Tin Mine Canyon above Beek s Spring, Trabuco District, Cleveland National Forest. 732 Comment
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Aug 13 2012
  RSA0005452  Monardella hypoleuca F. W. Peirson 1923-9-7 4036 Orange Santa Ana Mountains: Trail Trabuco Canyon to Santago Peak. 1067 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
  RSA759153  Monardella hypoleuca Robt. Allen, Lori Whalen 2008-7-5 s.n. Orange Dry foothills along a SW-facing ridge, slong Santiago Truck Trail, 0.5 air miles E of USPF Forest Gate at Modjeska Grade Road. Comment
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Aug 13 2012
  UCR193800  Monardella hypoleuca subsp. intermedia A. C. Sanders, Fred M. Roberts 2008-7-3 35681 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation Corridor 415 Comment
  UCR238209  Monardella linoides Mark A. Elvin 2002-7-13 s.n. Orange Southern Coast, Irvine; UCI Arboretum 15 Comment
  RSA12738  Monardella macrantha subsp. hallii Carl B. Wolf 1933-8-24 5406 Orange Santa Ana Mountains:along main divide motorway on west slope of Modjeska Peak 1372 Comment
  UCR149449  Moraea iridioides Robert DeRuff 1997-1 503 Orange South Coast, Newport Back Bay, Santa Ana Heights 26 Comment
  RSA542362  Muhlenbergia microsperma Fred M. Roberts 1988-5-13 3970 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon near spring, 2.3 km NW Bolero Lookout 439 Comment
  RSA587869  Muhlenbergia microsperma Fred M. Roberts, Carol A. Roberts 1990-5-16 4631 Orange Santa Ana Mtns: Small canyon along SE side of Irvine Mesa, 3.5 km N Bolero Lookout 396 Comment
  RSA758892  Muhlenbergia microsperma A. C. Sanders, Fred M. Roberts 2008-4-22 35009 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
  UC971743  Muhlenbergia microsperma L. M. Booth 1932-6-29 1226 Orange Newport Bay Comment
  UCR190991  Muhlenbergia microsperma A. C. Sanders, Fred M. Roberts 2008-4-22 35009 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
  RSA587118  Muilla maritima R. E. Riefner 1995-4-28 95 -110 Orange San Clemente State Beach. Comment
  POM202029  Nama stenocarpa L. M. Booth 1932-7-1 1235 Orange Anaheim Marsh Comment
  UCR247878  Nama stenocarpa Fred M. Roberts, Laura Cohen 2012-10-31 7714 Orange San Joaquin Hills, Upper Laguna Lake, north end. Laguna Coast Wilderness Park, c. 5.1 km east northeast of Signal Hill 113 Comment
  RSA3181  Nassella lepida C. B. Wolf 1932-3-8 2682 Orange 1/2 mile N of Corona del Mar, Newport Bay. 8 Comment
  RSA732150  Nassella lepida A. C. Sanders, Fred M. Roberts 2008-4-22 35015 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
  RSA682758  Nassella pulchra Scott D. White, Amanda Duchardt 2003-3-27 8852 Orange Canyon bottom and west facing slopes above Canada Gobernadora. 91 Comment
  RSA743513  Nassella pulchra Fred M. Roberts 2008-4-9 6863 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 45 Comment
  RSA747596  Nassella pulchra Fred M. Roberts 2000-5-19 5329 Orange Lomas de Santiago: Loma Ridge, ridge west of Bee Peak above Bee Cyn. landfill, 0.2 km W Bee Peak. 500 Comment
  UC822007  Nassella pulchra B. D. Stark 1933-5-2 4546 Orange Roundtop Rancho Santa Ana, Santa Ana Canyon 457 Comment
  IRVC29781  Nasturtium officinale Mark A. Elvin, Dean Kelch 2006-12-9 5293 Orange Newport Backbay; Big Canyon, lower end. Southern Coastal 3 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
  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
  POM347132  Nemophila menziesii var. integrifolia Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon. Comment
  RSA75869  Nemophila menziesii var. integrifolia F. W. Peirson 1923-5-6 3495 Orange Large patches on summit region. Santiago Peak, Santa Ana Mts 1723 Comment
  IRVC151  Nephrolepis cordifolia Barbara Mawdsley 1965-5-1 HS 540 Orange Corona del mar; Marigold Street. Southern Coastal Comment
  RSA0026262  Nerium oleander Fred M. Roberts 2013-6-12 7787 Orange Peninsular Ranges: Santa Ana Mtns: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 kilometers ENE Silverado School and 1.4 kilometers up stream Black Star Road Crossing. 320 Comment
  RSA733734  Nicotiana bigelovii Gray s.n. Orange Orange Park Hill Comment
  CAS-BOT-BC231675  Nicotiana glauca C. L. Hitchcock 1966-3-15 24144 Orange Stearns Lease, 1 1/2 miles e. of Brea Comment
  CAS-BOT-BC231677  Nicotiana glauca Agnes M. Bowman 1899-4-1 s.n. Orange Santa Ana Rv. Comment
  HSC21283  Nicotiana glauca D. W. Snell 1964-3-24 10 Orange 1 mi. E of Brea, N of Birch St. 120 Comment
  IRVC28777  Nicotiana glauca Archie F. Iskaq 2006-2-4 3 Orange San Joaquin Marsh; NW Edge of Marsh. Southern Coastal 3 Comment
  OBI8040  Nicotiana glauca Kurt R. Neisess 1975-12-20 s.n. Orange Fullerton Hills area Comment
  RSA80733  Nicotiana glauca F. W. Peirson 1923-3-18 5306 Orange Santa Ana River Canyon. 137 Comment
  UCSB47981  Nicotiana glauca Roberts, Fred 1980-2-17 Orange Near corner of Calle Arroyo and Calle Sieja south of Highway 74 and near San Juan Creek; San Juan Capistrano 39 Comment
  SEINET12856155  Nicotiana quadrivalvis P. C. Everett 1935-1 7259 Orange 0.8 mile E. of Atwood, S side of RR tracks 107 Comment
  UCR141336  Nolana acuminata Robert DeRuff 1987-5-2 331 Orange Southern Coast, Newport Beach, Newport Back Bay, Big Canyon 8 Comment
  RSA126  Nolina cismontana J. T. Howell 1927-7-24 467 Orange Claymine Canyon, near Sierra Peak 167 Comment
  RSA70254  Nolina cismontana Philip A. Munz, I. M. Johnston 1922-5-18 3026 Orange Canyon heading east from Santa Ana River 229 Comment
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Apr 8 2018
  RSA725582  Nolina cismontana Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6532 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 Comment
  SD117588  Nolina cismontana James C. Dice, Harold A Wier 1984-9-23 587 Orange Mission Viejo, 1.2 kilometer northwest of Lake Mission Viejo, along south edge of Vista del Lago, just west of Canaveras Comment
  SD142045  Nolina cismontana James C. Dice, T. Oberbauer 1986-5-3 651 Orange Santa Ana Mts., 0.2 km W of Trabuco Cyn. 365 Comment
  UC1719635  Nolina cismontana James C. Dice, T. Oberbauer 1986-5-3 650 Orange Santa Ana Mountains, 0.2 km W of Trabuco Canyon 365 Comment
  UCR189550  Nyctocereus serpentinus Fred M. Roberts, R. L. Allen 2007-9-28 6615 Orange Santa Ana Mountains, Silverado Canyon, along Silverado Canyon Rd. at eastern edge of town of Silverado 347 Comment
  RSA649937  Oenothera bistorta R. Soper 1971-3-19 24 Orange Upper Newport Bay. Along bayside Drive 1.3 mi. from S. jct with Jamboree Rd. el. ca. 4' 1 Comment
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Sep 15 2011
  CAS-BOT-BC171489  Oenothera californica Carl B. Wolf 1931-3-25 1935 Orange Along the Santa Fe R.R., 1 mile west of Atwood 91 Comment
  UC527217  Oenothera californica subsp. californica C. B. Wolf 1931-3-25 1935 Orange along Santa Fe R.R. 1 mi w Atwood 91 Comment
  RSA718962  Oenothera elata Fred M. Roberts, Robert L. Allen 2006-10-8 6418 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
  UC1007125  Oenothera elata subsp. hookeri P. A. Munz 1938-6-23 15569 Orange 1 mi below Capistrano; San Juan Creek Comment
  UCR101492  Oenothera laciniata A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1998-10-17 22268 Orange Coastal flats, Bolsa Chica, near Bolsa Bay, south of Warner Ave., east of the Pacific Coast Highway .3 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
  UCR246518  Oenothera speciosa Fred M. Roberts 2013-5-15 7772 Orange San Joaquin Hills, Buck Gully, north slope, Newport Beach, near Ocean Beach Drive, 1.8 km northwest of the summit of Pelican Hill 122 Comment
  RSA758013  Oligomeris linifolia D. E. Bramlet 2008-3-26 4127 B Orange Bee Canyon. Bowerman landfill site. 202m S of the Bee Cyn. Access Road, 151m west of landfill entrance. Comment
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Jan 5 2016
  RSA0035855  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-22 12 -71 Orange city of Newport Beach, Newport Bay, Dover Shores, vicinity of West Wind Way and Santiago Drive 22 Comment
  POM288521  Opuntia X occidentalis Lyman Benson 1955-10-17 15597 Orange Moulton Ranch just west of the summit east of Laguna Beach. 152 Comment
  POM317772  Opuntia X occidentalis David Walkington 1963-5-17 171 Orange Above intersection of Dana Cove Park rd. and Green Lantern Dr., continuous slope with Dana Cove Park Rd. Dana Point. 61 Comment
  RSA562722  Opuntia X occidentalis Steve Boyd, Timothy S. Ross 1992-5-19 7425 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
  SEINET10732293  Opuntia X occidentalis Betty Venrick 1961-5-13 Venrick 586 Orange 3 miles North of Laguna Beach, on coast. Comment
  POM285259A  Opuntia littoralis Lyman Benson 1955-10-17 285259 Orange Moulton Ranch just west of the summit east of Laguna Beach. 152 Comment
  SEINET3208448 Image available Opuntia prolifera Marc A. Baker, Bruce D. Parfitt 1987-4-12 7519 Orange Newport Beach, just W of bridge to Balboa Penninsula. Comment
  UCR193274  Orobanche fasciculata A. C. Sanders, Fred M. Roberts 2008-6-17 35508 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, Windy Ridge Rd., saddle on ridge at head, above the Eastern Transportation Corridor 400 Comment
  JEPS13141  Osmadenia tenella Frank W. Peirson 1922-5-18 1353 Orange Santa Ana Canyon 121 Comment
  UCR209663  Osmadenia tenella Fred M. Roberts 2008-5-16 6984 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve north of Marguerita Drive, 0.5 km west-northwest of the Marine Institute, Dana Point Harbor 75 Comment
  CAS-BOT-BC355780  Osmadenia tenella Palmer Stockwell 1935-5-12 1219 Orange Ca. 7 mi. E. of Mission San Juan, on Elsinore Rd. Comment
  SD255070  Osmorhiza brachypoda R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49790 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  UC484249  Oxalis albicans subsp. californica C. B. Wolf 1931-3-6 1858 Orange 1.5 mi below Trabaco Camp (Trabaco Canyon); Santa Ana Mtns, W slope 548 Comment
  RSA731941  Oxalis corniculata Fred M. Roberts, Sandy Leatherman 2007-11-27 6694 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. c.a. 0.3km S Fairmont Blvd. 118 Comment
  RSA7752  Oxalis pes-caprae E. R. Johnson 1932-07 s.n. Orange Edge of orange grove along river bottom, Rancho Santa Ana Comment
  POM196704  Oxalis pes-caprae E. Johnson 1930-2-25 s.n. Orange About Orange Comment
  CLARK-A1528-3766  Oxytheca trilobata John C. Roos 1960-6-11 Orange Santa Ana Mountains 975 Comment
  POM18085  Oxytheca trilobata P. A. Munz 1923-9-7 7752 Orange Santa Ana Mountains, trail from Trabuco Canyon to Santiago Peak 1463 Comment
Read comments
Jun 22 2019
  UC718383  Oxytheca trilobata P. C. Everett 1935-6-19 Orange 1.5 mi below summit, e slope Santiago Peak (main divide motorway); Santa Ana Mts. 1310 Comment
  POM311903  Paeonia californica S. Ellis 1955-3-19 230 Orange S of Carbon Canyon, Flying Cow Ranch, San Jose Hills,. 259 Comment
  UCR142521  Paeonia californica D. E. Bramlet 2000-4-7 2945 Orange Peninsular Ranges: Santa Ana Mts. region, 30m south of the SCE maintenace road and 1 km east of Weir Canyon, 1.5km west of Blind Canyon 287 Comment
  RSA797014  Pallenis maritima R. E. Riefner Jr. 2012-5-25 12 -393 Orange City of Dana Point, rocky shore between Mussel Cove and Salt Creek Beach. 2 Comment
  UC2014867  Pallenis maritima R. E. Riefner Jr. 2012-5-25 12 -393 Orange City of Dana Point, rocky shore between Mussel Cove and Salt Creek Beach Comment
  UC2014877  Pallenis maritima R. E. Riefner Jr. 2011-6-25 11 -74 Orange City of Laguna Beach, Moss Point, vicinity of Ocean Way at Ruby St. Comment
  UCR241098  Pallenis maritima R. E. Riefner Jr. 2012-5-25 12- 393 Orange South Coast, City of Dana Point, rocky shore between Mussel Cove and Salt Creek Beach 5 Comment
  RSA697732  Panicum capillare Anonymous 1928-1 6 Orange Santa Ana River flats. Comment
  RSA0036015  Panicum capillare var. occidentale Robert F. Thorne 1977-11-21 50804 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  RSA724124  Panicum dichotomiflorum subsp. dichotomiflorum R. E. Riefner 2005-9-20 5 -674 Orange City of Huntington Beach, Huntington Central Park at Goldenwest St. 1 Comment
  RSA649680  Papaver californicum R. E. Riefner 2000-4-15 20 -375 Orange NCCP North Ranch Policy Plan Area. Along dirt road running N, but W of Black Star Cyn. Road at powerline tower. 520 Comment
  JEPS45889  Parapholis incurva L. M. Booth 1932-5-12 1009 Orange Newport Bay Comment
  RSA678504  Parapholis incurva Valerie L. Soza, Kenneth Clark, LeRoy Gross, Will Miller, Fred M. Roberts, Gary D. Wallace 2001-4-4 1119 Orange Anaheim Bay: Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 3 Comment
  RSA799938  Parapholis incurva Justin M. Wood 2011-4-12 3668 Orange South Coast, Santa Ana River: marsh just upstream of Pacific Coast Highway. On isolated sand capped island. 0 Comment
  SD181750  Parapholis incurva Valerie Soza, K. Clark,LR. Gross,W. Miller,F. Roberts,G. Wallace 2001-4-4 1119 Orange Anaheim Bay; Seal Beach U.S. Naval Weapons Station, southwestern edge of Seal beach National Wildlife Refuge, alongside dirt road 3 Comment
  SEINET182347 Image available Parapholis incurva Lawrence M. Booth 1932-5-12 1009 Orange Newport Bay Comment
  UCD88470  Parapholis incurva Alan A. Beetle 1958-9-7 13074 Orange Newport. Comment
  UCR209390  Parapholis incurva Fred M. Roberts, Sandra L. Leatherman, Jennifer Pareti 2009-4-14 7148 Orange South Coast, Dana Point Headlands, Dana Strand Beach and slopes above beach, 0.8 km west-northwest of the Marine Institute at Dana Point Harbor, CNLM Dana Point Preserve 3 Comment
  RSA542524  Parietaria hespera var. californica Fred M. Roberts Jr. 1989-3-22 4223 Orange San joanquin Hills: Temple hill, Dripping Springs Cave, lateral to Wood Canyon; 2.6 km S moulton Peak. 76 Comment
  RSA699977  Parkinsonia aculeata Anonymous 1933-10-13 s.n. Orange Santa Ana Comment
  RSA725537  Parthenocissus inserta Fred M. Roberts, Robert L. Allen 2007-9-28 6609 Orange Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado. 347 Comment
  RSA702938  Paspalum dilatatum Scott D. White 2004-7-7 10604 Orange Laguna Niguel. 61 Comment
  UCR16077  Paspalum dilatatum N. J. Moriarty 1973-5-26 730526- 01 Orange South Coast, Huntington Beach, vacant lot at the corner of Beach Blvd. and Memphis Avenue 15 Comment
  RSA603302  Paspalum distichum Scott D. White, Brian Leatherman 1997-6-12 5333 Orange East of San Juan Capistrano: San Juan Creek beteen Highway 74 bridge and Mission Vieja site, i.e. ca. 2 - 4 miles E of I-15 [Interstate 5] / Highway 74 junction. 46 Comment
  UC455152  Paspalum distichum I. J. Condit 1908-7-21 Orange Los Alamitos Comment
  RSA0089484  Paspalum vaginatum D. E. Bramlet 2009-11-27 4429 Orange South Coast: San Diego Creek between Irvine and Newport Back Bay. 4 Comment
  UCR246467  Paspalum vaginatum R. E. Riefner Jr. 2012-10-21 12- 523 Orange South Coast, city of Newport Beach, south of Poppy Street/Ocean Blvd, creek at base of stairs, Little Corona Beach 7 Comment
  UCR266421  Paspalum vaginatum D. E. Bramlet 2009-11-27 4429 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  SEINET10970649  Passiflora rubra Smiley 1981-10-22 Smiley 55 Orange Univ. Calif. Irvine, Greenhouse Comment
  IRVC16237  Pectocarya linearis subsp. ferocula Karlin G. Marsh 1978-3-24 Orange UCI Ecological Preserve, Irvine Comment
  JEPS20118  Pectocarya linearis subsp. ferocula C. B. Wolf 1931-3-6 1846 Orange 1/2 mi above Trabaco Oaks (w slope of mts.); Santa Ana Mountains, Trabaco Canyon 457 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
  UCD103490  Pelargonium A. C. Sanders 2003-10-12 27314 Orange Southern Coastal Slope: Irvine, UCI Arboretum, UCI campus near intersection of Jamboree Blvd. and Campus Dr. 15 Comment
  RSA686730  Pellaea andromedifolia M. B. Dunkle 1935-2-23 4339 Orange Dana Point. 9 Comment
  RSA791471  Pellaea andromedifolia Keith E. Hoffmaster 1928-1-26 33 Orange Santa Ana Mtns Comment
  IRVC3151  Pellaea mucronata var. mucronata A. S. Boughey 144 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  POM17853  Pellaea mucronata var. mucronata P. A. Munz 1923-6-14 7065 Orange Glen Ivy Trail to Santiago Peak, Santa Ana Mountains 1127 Comment
Read comments
Apr 1 2013
  CAS-BOT-BC258794  Pennisetum clandestinum E. L. Paddock 1943-7-2 12738 Orange Near Dana Point Comment
  CHSC1848  Penstemon antirrhinoides S. Westerberg 1938-4-7 Orange San Juan canyon. Comment
  UCR227630  Penstemon grinnellii Robt. L. Allen 2003-6-22 12274 Orange Santa Ana Mountains, west-facing flank of Santiago Peak, along North Main Divide Road 1555 Comment
  RSA220992  Penstemon heterophyllus var. australis E. W. Lathrop 1966-4-18 6186 Orange 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  UCR241073  Penstemon spectabilis Dick Newell, Don Millar 2013-4-16 325 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago; lower Hangman's Tree Canyon at Santiago Canyon wash, 300 ft. west of Santiago Canyon Rd. 361 Comment
  UCSB52393  Penstemon spectabilis Roberts, Fred 1982-7-20 Orange Santa Ana Mtns.: 1.8 km by road NE Falcon Group Camp; 2.9 km E Los Pinos Peak 1082 Comment
  UC1952548  Pentachaeta aurea D. Bramlet 1994-4-1 2367 Orange San Joaquin Hills. Camarillo Canyon area, some 427 m West of Laguna Canyon road and 671 m N of Camarillo Canyon. Comment
  UCSB52875  Pentachaeta aurea Roberts, Fred; Allen, R. 1983-3-27 Orange Dana Point Headlands; north of Dana Strand Rd., 0.5 km. W Dana Point Harbor; 0.7 km. SSW Richard Henry Dana School 79 Comment
  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
  RSA0059338  Pentagramma triangularis L. M. Booth 1932-5-19 1066 Orange Newport Bay Comment
  RSA0060233  Pentagramma triangularis Fred M. Roberts, Laura Cohen 2000-3-24 5272 Orange Rancho Mission Viejo Land Conservancy: Tributary to Christanitos Cyn., Flagpole Meadow, upper shady Canyon Trail, about 1.6 NW Sycamore Gate. 170 Comment
  RSA0060346  Pentagramma triangularis Gary D. Wallace, G. Cromwell 1966-4-16 461 Orange W edge of Cleveland Nat. For. about 5 mi. E of San Juan Capistrano, in the Santa Ana Mountains, in Hot Springs Canyon. Comment
  IRVC14091  Pentagramma triangularis subsp. triangularis B. T. Gittins 1966-11-13 1672 Orange Silverado Canyon, 1mi past historical marker; shaded bank near stream bed. Santa Ana Mountains Comment
  LA204536  Peritoma arborea A. M. Johnson; 1927-12-30 sn Orange Laguna Comment
  LA204537  Peritoma arborea A. H. Lange; 1951-4-26 sn Orange Balboa Comment
  CAS-BOT-BC418842  Persicaria hydropiperoides Le Roy Abrams 1901-6-11 1754 Orange New River near Long Beach Comment
  CAS-BOT-BC418841  Persicaria hydropiperoides John Thomas Howell 1927-7-5 2653 Orange Near Horseshoe Bend, Santa Ana River bottom, Santa Ana Canon [Canyon] 152 Comment
  RSA626154  Petunia parviflora R. E. Riefner Jr. 1998-4-2 98 -245 Orange W of Talbot Park and NNE from Rte 1 and Prospect St. Comment
  RSA734892  Phacelia brachyloba A. C. Sanders, Mitch Provance 2008-5-20 35423 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile blow Modjeska Canyon confluence. 345 Comment
  UCR193073  Phacelia brachyloba A. C. Sanders, Mitch Provance 2008-5-20 35423 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 355 Comment
  RSA632934  Phacelia cicutaria var. hispida Valerie L. Soza, LeRoy Gross 1999-6-10 522 Orange Santa Ana Mountains: Southwestern extension of Modjeska Peak, off dirt road to summit, off Main Divide Road. 1555 Comment
  RSA794334  Phacelia cicutaria var. hispida Justin M. Wood 2010-3-31 1450 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
  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
  UCR239653  Phacelia cicutaria var. hispida Fred M. Roberts 2012-4-27 7544 Orange Lomas de Santiago, Loma Ridge, west of SR 241, tributary to 'Las Flores' Canyon, 1.5 km west-southwest of Irvine Lake Park Campground and 1.1 km east of Orange County Emergency Operations Center, Hill 1311 311 Comment
  RSA562740  Phacelia cicutaria var. hispida Steve Boyd, Tim Ross 1992-5-20 7456 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
  RSA738989  Phacelia ciliata Norland 1929-3-16 s.n. Orange Huntington Beach Comment
  HSC13701  Phacelia distans S. M. Clapp 1966-4-10 44 Orange 4 mi. into Black Star Canyon 183 Comment
  POM289796  Phacelia distans Lyman Benson 1932-3-26 3197 Orange Dana Point. 61 Comment
  RSA3175  Phacelia distans Carl B. Wolf 1932-3-8 2688 Orange 1/2 mile N of Corona del Mar, Newport Bay. 8 Comment
  RSA606  Phacelia distans J. T. Howell 1928-3-18 892 Orange Rancho Santa Ana, Botanic Garden. 152 Comment
  RSA647939  Phacelia distans Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 39 Orange 1000 ft. northwest of Chino Hills State Park Boundary. 244 Comment
  UCR250853  Phacelia distans Dick Newell, Don Millar 2014-4-15 362 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
  POM299068  Phacelia distans J. T. Howell 1928-6-24 2590 Orange Olinda. 152 Comment
  RSA697787  Phacelia hydrophylloides J. Russell Bruff 1937-7-3 847 Orange Kaiser Ridge above Huntington. 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
  RSA2095  Phacelia imbricata subsp. bernardina E. R. Johnson 1931-6-1 2233 Orange Roundtop, Rancho Santa Ana. 457 Comment
  RSA738987  Phacelia minor Aileen Adams 1932-5-9 s.n. Orange On a slope N Trabuca 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
  UC672389  Phacelia parryi Herbert L. Mason 1926-4-25 2911 Orange 5 mi s Laguna Comment
  UCR224034  Phacelia parryi Justin M. Wood 2010-3-31 1449 Orange Santa Ana Canyon, Santa Ana River floodplain, 0.25 mi north of Coal Canyon wildlife corridor, west of Green River Golf Course on bluff south of the river 122 Comment
  RSA697795  Phacelia racemosa Minor Warne 1934-03 s.n. Orange Barrenca near Irvine. Comment
Read comments
Apr 13 2016
  JEPS1031  Phacelia ramosissima var. austrolitoralis L. M. Booth 1932-5-19 1060 Orange Newport Bay Comment
  POM202123  Phacelia tanacetifolia P. A. Munz 1934-3-26 13133 Orange Newport Beach. 12 Comment
  CDA22570  Phalaris aquatica J. B. Anderson 1966-5-15 642 Orange Upper Newport Bay: Along Irving Avenue at 23rd Street. 0 Comment
  RSA696380  Phalaris canariensis Keith E. Hoffmaster 1927-4-26 s.n. Orange Santa Ana. Comment
  IRVC1779  Phalaris minor C. Thompson 1965-5-4 s.n. Orange UC Irvine; General Services Bldg; Jamboree Road. Southern Coastal Comment
  IRVC1780  Phalaris minor J. B. Anderson 1966-4-18 597 Orange Irvine; MacArthur Blvd. near Red Hill Road. Southern Coastal Comment
  UCR193585  Phalaris minor A. C. Sanders, T. B. Salvato 2008-5-13 35367 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
  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
  CAS-BOT-BC413831  Phoradendron leucarpum subsp. macrophyllum Andrew Townesmith; Karen M. Meyer; Tracy Scott 2007-3-11 675 Orange Cleveland National Forest. Off Long Canyon Road, NW of intersection with Route 74 752 Comment
  UCR192980  Phoradendron macrophyllum A. C. Sanders, Fred M. Roberts 2008-6-17 35480 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 260 Comment
  POM201795  Phyla lanceolata L. M. Booth 1932-7-1 1238 Orange Anaheim Marsh Comment
  RSA682950  Phyllospadix torreyi E. Yale Dawson 1957-11-23 17817 Orange Corona del Mar, Orange, Co. Comment
  POM17438  Picris echioides P. A. Munz 1923-4-1 6595 Orange Laguna Lakes. 61 Comment
  RSA472042  Picris echioides James Henrickson 1970-7-25 5037 Orange 2.5 miles NE of Huntington beach, 1 mile SE of Warner Ave. on sandy slope of E. Pacific Coast Hwy. at border of Bolsa Chica Salt Marsh. 0 Comment
  POM281848  Pilularia americana H. H. Tracy 1935-3-31 s.n. Orange Costa Mesa Comment
  CAS-BOT-BC413832  Pinus attenuata Andrew Townesmith; Karen M. Meyer; Tracy Scott 2007-3-11 677 Orange Cleveland National Forest. Off Long Canyon Road (Forest Service road 6S05). Near entrance to Falcon Group Camp 1000 Comment
  RSA12825  Pinus attenuata C. B. Wolf 1934-12-21 6259 Orange So. slope of main ridge, saddle n.w. of Sugarloaf Pk. (Pleasants Pk.) 1 3/10 mi. so. of summit of Skyline Drive, Santa Ana Mts. 1159 Comment
  RSA0027777  Pinus attenuata Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49694 Orange Northern Santa Ana Mountains: Sierra Peak Comment
  UCR174182  Pinus coulteri A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33036 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
  UCR132891  Piperia cooperi Adrian Wolf 2000-4-14 446 Orange Santa Ana Mtns., North Ranch Policy Plan Area, 0.51 km SSE of Black Star Canyon Mine, North Baker Canyon Road 396 Comment
  JEPS45891  Piptatherum miliaceum Lawrence M. Booth 1932-6-7 1211 Orange Balboa Island Newport Bay Comment
  UCSB48208  Piptatherum miliaceum Roberts, Fred 1981-7-8 Orange Rancho Mission Viejo; Calif. Rte. 74, 9.2 km. ENE San Juan Capistrano 100 Comment
  RSA756321  Pistacia chinensis A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37202 Orange Lomas de Santiago, Santiago Canyon near mouth of Limestone Cyn., near Agustine Staging Area at south foot of Blue Diamond Haul Rd. bridge over Santiago Canyon Rd. 253 Comment
  UCR132567  Pisum sativum Robert DeRuff 1985-3-6 83 Orange Southern Coast, Newport Back Bay, below East Bluff 3 Comment
  RSA731637  Pittosporum undulatum Fred M. Roberts 2007-10-29 6618 Orange Niguel Hill: Laguna Niguel, Seaview Park, 1.3 km ENE Aliso Peak. 265 Comment
  CLARK-A1528-3590  Pityrogramma triangularis var. viscosa John C. Roos 1937-2-23 1316 Orange Laguna Hills Comment
  RSA732172  Plagiobothrys collinus A. C. Sanders, Fred M. Roberts 2008-3-25 34542 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR102021  Plagiobothrys collinus B. G. Pitzer 1997-3-25 3025 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  UCR103157  Plagiobothrys collinus Scott D. White 1997-3-26 4820 Orange Univ. of Calif. Irvine Campus, east of main campus at site of proposed student recreation center, east of main campus, between California Avenue and Culver Drive. 40 Comment
  IRVC9331  Plagiobothrys collinus var. californicus C. Leavell 1966-3-16 59 Orange El Toro Rd. near Post Office; in open field. El Toro Comment
  RSA682599  Plagiobothrys collinus var. californicus Scott D. White, Amanda Duchardt 2003-3-27 8863 Orange Canyon bottom and west facing slopes above Canada Gobernadora. 91 Comment
  SD27970  Plagiobothrys collinus var. californicus Carl B. Wolf 1932-3-14 2710 Orange Rancho Santa Ana Botanic Garden 630 Comment
  RSA542654  Plagiobothrys nothofulvus Fred M. Roberts 1988-4-10 3903 Orange Lomas De Santiago: Loma Ridge, Upper Limestone Canyon, c.a. 3.2 kilometer NNW Bolero Lookout. 347 Comment
  RSA588798  Plagiobothrys nothofulvus Fred M. Roberts, D. Bontrager 1990-4-18 4562 Orange Rancho Mission Viejo: ridge between Christianitos and Gabino Canyons (Riverside Cement Lease Holding), 5.5 km SE Playa Survey Marker. 152 Comment
  RSA599634  Planodes virginica Fred M. Roberts, Nigel Hancock 1995-5-25 4949 Orange Costa Mesa: Fairview Park, just west of end of Canyon Drive, 0.1 km W Canyon School 24 Comment
  RSA412598  Plantago bigelovii subsp. californica Anstruther Davidson 1910-04 2350 Orange Corona Del Mar. Comment
  JEPS6417  Plantago erecta Alice King 1908-3-14 Orange near Santa Ana; Anaheim Plains Comment
  RSA401984A  Plantago erecta Albert J. Perkins 1921-04 s.n. Orange Mesa near Arch Beach, Santa Ana. Comment
  UC484111  Plantago erecta E. R. Johnson 1929-4-11 Orange Sierra Peak Trail Santa Ana Mts. Comment
  RSA789581  Plantago erecta subsp. erecta Robert 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
  HSC16872  Plantago indica Unknown Jun 1961 Orange Vacant lot in Balboa Comment
  RSA791465  Plantago lanceolata Keith E. Hoffmaster 1927-5-18 955 Orange Santa Ana. CP3. Comment
  RSA5949  Plantago major Carl B. Wolf 1932-7-7 3861 Orange Opposite the Bryant Ranch: on N side of Bryant Avenue, 0.5 mile east of Los Alamitos Boulevard near Los Alamitos. 8 Comment
Read comments
Apr 8 2014
  UCSB52420  Plantago major Roberts, Fred; Marsh, K. 1982-10-18 Orange Laguna Beach; east flank of Temple Hill, along east margin of Top of the World School 295 Comment
  RSA703087  Platanus racemosa Fred M. Roberts, Art Davenport 2003-9-11 6007 Orange Rancho Mission Viejo: Donna O'Neil Land Conservancy, tributary west of Cristianitos Cyn., 1.52 km NNW Sycamore Gate and 250 m W of Cristianitos Road. 152 Comment
  RSA731911  Platanus racemosa Fred M. Roberts, Sandy Leatherman 2007-11-27 6668 Orange Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge. 113 Comment
  UCR241072  Platanus racemosa Dick Newell, Judy Booth, Robt. L. Allen 2013-4-6 324 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, on Maple Springs Rd./Silverado Cyn. Rd., 1.5 miles above Maple Springs gate 671 Comment
  OBI74895  Plecostachys serpyllifolia Unknown 2009-7-18 09 -151 Orange City of Dana Point, beach near Salt Crk, vicinity of Ritz Carlton Resort 3 Comment
  SBBG126061  Plecostachys serpyllifolia R. E. Riefner Jr. 2004-12-30 04 -681 Orange vicinity of W St and Pacific Coast Hwy; City of Laguna Beach 4 Comment
  UCR229286  Plecostachys serpyllifolia R. E. Riefner Jr. 2011-7-7 11- 88 Orange city of Dana Point, south of Mussel Cove, north of Salt Creek Beach Park 9 Comment
  UCR247516  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-7-9 08- 220 Orange South Coast, Laguna Beach, bluff area west of West St and Pacific Coast Hwy 11 Comment
  RSA789231  Plectritis ciliosa subsp. insignis Naomi S. Fraga, Duncan S. Bell 2009-5-11 2710 Orange San Juan loop trail, Cleveland National Forest just west of Sugarloaf Spur Trail. 912 Comment
  LA203865  Pluchea sericea J. A. Ewan; 1932-7-9 7488 Orange Santa Ana River, 4 mi. below Rincon 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
  RSA697756  Poa annua Wilma Griset 1931-2-18 s.n. Orange Santa Ana. Vacant lot. Comment
  IRVC22661  Poa scabrella Fred M. Roberts 1985-5-9 1722 Orange Santa Ana Mountains: Upper McVicker Canyon, 1.8km NE Los Pinos Peak. Peninsular Ranges 1113 Comment
  UCR138440  Poa secunda R. E. Riefner Jr. 2000-4-15 20- 379 Orange Santa Ana Mtns., North Ranch Policy Plan Area Main Divide Road; south of Gypsum Canyon and south of Windy Ridge 518 Comment
  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
  RSA636103  Poa secunda subsp. secunda Valerie L. Soza, LeRoy Gross 1999-6-7 489 Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  UCR150913  Poa secunda subsp. secunda Valerie Soza, LeRoy Gross 1999-6-10 527 Orange Santa Ana Mountains, Southwestern extension of Modjeska Peak, off dirt road to summit, off Main Divide Road 1555 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
  SEINET3086485 Image available Polycarpon tetraphyllum J. Harry Lehr 1975-5-10 1556 Orange Santa Ana Street W. of State College Blvd. Anaheim. Comment
  RSA561496  Polygala cornuta var. fishiae Steve Boyd, Kyle Boyd 1992-7-9 7654 Orange Northern Santa Ana Mountains, along the main crest of the range, north of Pleasants Peak and south of Oak Flat (aka Oat Flat), 1.5 miles south of junction of Main Divide and Skyline Roads. Comment
  RSA0054920  Polygonum acre Keith E. Hoffmaster 1933-10-1 489 Orange Near Tustin. Comment
  RSA749041  Polygonum aviculare A. C. Sanders, Fred M. Roberts 2008-8-7 35972 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 Comment
  RSA683226  Polygonum lapathifolium Scott D. White, Matt Carlton 2003-11-20 9869 Orange Santa Ana Mountain foothills; San Juan Creek in San Juan Capistrano; (San Juan Capistrano). 24 Comment
  RSA718963  Polygonum lapathifolium Fred M. Roberts, Robert L. Allen 2006-10-8 6417 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
  RSA731931  Polygonum lapathifolium Fred M. Roberts, Sandy Leatherman 2007-11-27 6679 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. c.a. 0.3km S Fairmont Blvd. 118 Comment
  RSA747625  Polypodium californicum Fred M. Roberts 2008-4-16 6907 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor. 45 Comment
  RSA773504  Polypodium californicum Fred M. Roberts 1999-5-14 5224 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 490 Comment
  UCSB62523  Polypodium californicum Kiefer, Lawrence 1963-12-8 Orange Santa Ana Mtns. along road in main canyon above Silverado. 457 Comment
  IRVC23141  Polypogon interruptus Fred M. Roberts 1985-7-10 2006 Orange Capistrano Beach: San Juan Creek, 0.5km from the ocean, 0.2km N of Pacific Coast Highway. southern coastal 2 Comment
  CAS-BOT-BC237265  Polypogon monspeliensis Peter H. Raven 1957-9-28 11375 Orange N limits of Surfside Comment
  CAS-BOT-BC237267  Polypogon monspeliensis John Thomas Howell 1927-6-30 2621 Orange 7 miles E of Long Beach 15 Comment
  IRVC14815  Polypogon monspeliensis A. S. Boughey 1968-7-9 399 Orange Upper Santiago Canyon. Santa Ana Mountains Comment
  IRVC1811  Polypogon monspeliensis L. Stilgenbauer 1965-4-15 s.n. Orange Corona del Mar; 339 Milford Drive. southern coastal Comment
  IRVC1813  Polypogon monspeliensis C. Hooven 1965-4-10 s.n. Orange Spruce and Palisades (sic). southern coastal Comment
  IRVC1814  Polypogon monspeliensis Ray Harbour 1965-3-23 s.n. Orange Corona del Mar. southern coastal Comment
  RSA678719  Polypogon monspeliensis Fred M. Roberts, Michelle Lee 2001-6-29 5504 Orange Rancho Mission Veijo: Chiquita Ridge, 0.3km WnW Rancgo Macian Survey Marker. PCR Vernal Pool 4., (33 33'11N,117 37' 18 W; T7S R7W, NW 1/4sec 21) 226 Comment
  RSA697712  Polypogon monspeliensis J. Russell Bruff 1930-10-19 s.n. Orange Santa Ana River bed. Comment
  RSA697713  Polypogon monspeliensis Anonymous s.n. Orange Near Orange Co. Park. 793 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
  UCD91233  Polypogon monspeliensis A. A. Beetle 1942-4-19 3098 Orange Rt. 101. 5 miles south of Laguna Beach. Comment
  UCR100453  Polypogon monspeliensis B. G. Pitzer 1996-4-30 2773 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  UCR154339  Polypogon monspeliensis Mark A. Elvin 2004-5-2 3416 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 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
  UCSB48109  Polypogon monspeliensis Roberts, Fred 1981-4-12 Orange Santa Ana Mtns.: San Juan Canyon, Hwy. 74, 1.3 km. by road E San Juan Guard Sta., 0.9 km. SE Juan Rancho Survey Marker 295 Comment
  CAS-BOT-BC237507  Polypogon viridis Le Roy Abrams 1901-6-12 1760 Orange Santa Ana River Comment
  RSA5327  Populus fremontii B. D. Stark 1932-12-30 4468 Orange Rancho Santa Ana. River bottom below Mexican houses. 122 Comment
  CAS-BOT-BC438781  Populus trichocarpa R. E. Riefner, Jr. 2012-9-23 12 -512 Orange City of Yorba Linda, Santa Ana Canyon, N. side of Santa Ana River, La Palma Ave. at Via Del Rio Rd. 103 Comment
  RSA133  Populus trichocarpa J. T. Howell 1927-7-21 451 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  SD144030  Porophyllum gracile Scott D. White 1997-3-28 4841 Orange Santa Ana Mountains, above Modjeska Canyon. 424 Comment
  RSA934  Porophyllum gracile J. T. Howell 1927-7-28 509 Orange Nolina Canyon, Rancho Santa Ana 152 Comment
  RSA671152  Porophyllum ruderale Ralph Guerrero 2000-10-24 10 -2000 Orange Along roadside of vegetable crop field, Seal Beach Naval Weapons Station, Seal Beach. Comment
  RSA588881  Potamogeton foliosus Fred M. Roberts, D. Bontrager 1990-6-5 4674 Orange Rancho Mission Viejo: Upper Gabino Canyon, 3.7km ESE Point Rancho Survey Market. 245 Comment
  RSA85790  Potentilla anserina var. grandis F. W. Peirson 1924-10-19 5235 Orange Wintersberg Comment
  RSA797914  Potentilla glandulosa subsp. glandulosa Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49824 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  POM358761  Pseudognaphalium biolettii M. B. Dunkle 1933-4-9 3282 Orange Dana Point. Comment
  UCD135053  Pseudognaphalium biolettii R. Townsend 1939-12-29 164 Orange Lower Telegraph Canyon. Comment
  UCR269241  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2015-12-9 15- 458 Orange South Coast, Rancho Mission Viejo, east of San Juan Capistrano north of Antonio Parkway and north of Ortega Hwy 74, near Sendero Field Park 55 Comment
  UCR281887  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2017-8-14 17- 404 Orange South Coast, city of San Juan Capistrano, San Juan Creek. Immediately east of Hwy I-5, north of San Juan Creek Road along San Juan Creek Trail 25 Comment
  RSA741722  Pseudognaphalium leucocephalum R. E. Riefner 2008-8-5 08 -259 Orange Irvine Ranch Reserve, Fremont Canyon Conservation Easement, lower Fremont Canyon, main drainage. 223 Comment
  UC1922340  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2007-3-21 07 -157 Orange City of San Juan Capistrano, vicinity of Calle Arroyo/Paseo Esteban at San Juan creek. Comment
  RSA0089199  Pseudognaphalium luteoalbum Fred M. Roberts 2014-4-21 7856 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin. 113 Comment
  SD237323  Pseudognaphalium luteoalbum Mark A. Elvin 2003-2-23 2312 Orange South Coast: Irvine, San Joaquin Marsh along the berm of San Diego Creek. 3 Comment
  UCSB48107  Pseudognaphalium luteoalbum Roberts, Jr., 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
  UC520305  Pseudognaphalium ramosissimum Joseph Andorfer Ewan 1932-7-28 7689 Orange Corona del Mar 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
  IRVC20774  Pseudotsuga macrocarpa Fred M. Roberts 1980-5-3 63 Orange Main Divide Truck Trail, 0.4km W Trabuco Peak. Santa Ana Mountains 1341 Comment
  IRVC25185  Pseudotsuga macrocarpa Fred M. Roberts, Robert Fisher 1986-10-28 3167 Orange Upper Horsethief Canyon, Main Divide Truck Trail, 1.9km SE Trabuco Peak, Santa Ana Mountains 1219 Comment
  SD236118  Pseudotsuga macrocarpa June Latting, F. Shropshire 1972-4-28 Orange Peninsular ranges/Santa Ana Mountains: Silverado Canyon, 6.3 mi from Silverado Forest Station [presumably up canyon from Silverado] at S curve in road 1098 Comment
  SD240763  Pseudotsuga macrocarpa June Latting, F. Shropshire 1972-4-28 Orange Peninsular ranges/ Santa Ana Mountains: Silverado Canyon, 6.3 miles from Silverado Forest Station [presumably up canyon from Silverado] at S curve in road (Santiago Peak 7.5'Q) 1159 Comment
  UC1543165  Psilocarphus Donald G. Nelson 1935-4-15 300 Orange On road from Garden Grove to Cosa Mesa, converging near Costa Mesa, toward main highway from Santa Ana Comment
  RSA580938  Psilocarphus brevissimus D. Bramlet 1995-4-29 2401 Orange Fairview Park, Costa Mesa. 366m N of intersection of Wilson and Cyn drive and 152 m W of the Cyn School. 43 Comment
  RSA608536  Psilocarphus brevissimus D. Bramlet 1993-4-25 2333 Orange University of California, Irvine Campus, UCI Ecological Reserve. This site is 150 ft. south of Berkeley Ave. and 1000 ft. west of the northeast reserve entrance 41 Comment
  UCR152760  Psilocarphus brevissimus var. brevissimus D. E. Bramlet 2004-3-26 3543 Orange South Coast, Fairview Park in Costa Mesa, 183 m west of Canyon School and 366 m NW of intersection of Wilson & Canyon Dr. 24 Comment
  UC2046880  Psilotum nudum R. E. Riefner Jr. 2015-11-22 15 -453 Orange City of Costa Mesa, E side of Orange County Fairground, Lot #A-5, W of Newport Blvd. and N of Fair Drive. Comment
  SD245373  Psoralea macrostachya Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49564 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Along creek. Comment
  UCR174183  Psoralea orbicularis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33037 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
  POM17940  Pteridium aquilinum var. pubescens P. A. Munz 1923-6-14 7111 Orange Trail, Glen Ivy to Santiago Peak, Santa Ana Mtns. 1067 Comment
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Apr 1 2013
  POM8723  Pterostegia drymarioides P. A. Munz, R. D. Harwood 1920-4-17 3802 Orange Laguna Canyon. 61 Comment
  RSA607243  Pterostegia drymarioides R. S. Woglum 1938-5-8 1618 b Orange Peninsular Ranges: Capistrano to Elsinore; Santa Ana Mountains [Orange/Riverside counties]. Comment
  RSA737547  Pterostegia drymarioides Fred M. Roberts 2008-3-12 6714 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA407877  Pulicaria hispanica Walter Wisura, B. Busenberg 1987-7-23 4170 Orange Newport Bay at jctn. of Back Bay Drive and San Joaquin Hills Road. Comment
  RSA591804  Pulicaria hispanica P. H. Raven 1961-10-15 16857 Orange Dyke along road to Yorba Linda just north of US Hwy 91 114 Comment
  RSA591808  Pulicaria hispanica P. H. Raven 1961-10-15 16847 Orange Anaheim: Santa Ana River Bed at Anaheim Street crossing. 61 Comment
  CAS-BOT-BC362141  Pulicaria paludosa R. G. Ahlefeld 1959-7-15 s.n. Orange Santa Ana Canyon, e. of Fullerton Comment
  CAS-BOT-BC362142  Pulicaria paludosa R. L. Pope 1963-9-23 s.n. Orange Santa Ana Canyon about 1.5 miles above Yorba Linda Bridge Comment
  CAS-BOT-BC362146  Pulicaria paludosa Robert L. Pope 1959-8-14 s.n. Orange Ray Miller prop., Santa Ana Canyon, e. of Fullerton Comment
  RSA734920  Pulicaria paludosa A. C. Sanders, Fred M. Roberts 2008-6-17 35463 Orange Lomas de Santiago, Loma Ridge on Hicks Canyon Haul Road, c. midway between Foothill Transportation Corridor and Santiago Cyn. Rd. 335 Comment
  SD233765  Pulicaria paludosa A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, et al. 1998-10-17 22266 Orange Coastal flats: Bolsa Chica, near Bolsa Bay, south of Warner Ave., E of the Pacific Coast Highway (Seal Beach 7.5' Q) Comment
  UC1731284  Pulicaria paludosa Dean W. Taylor 1994-6-7 14414 Orange along Backbay Drive at the junction with San Joaquin Hill Drive, Newport Bay Newport Bay; South Coast Region, Newport Bay 6 Comment
  UCR149385  Pulicaria paludosa Scott D. White, Matt Carlton 2003-11-20 9863 Orange South Coastal Plain, Santa Ana Mtn foothills. San Juan Creek in San Juan Capistrano 24 Comment
  UCR192974  Pulicaria paludosa A. C. Sanders, Fred M. Roberts 2008-6-17 35463 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
  RSA539419  Pulicaria paludosa Fred M. Roberts, Doug Willick 1988-9-16 4137 Orange Peralata Hills: Oak Canyon Nature Center, Upper Walnut Canyon, 1.0 kilmeter N Robbers Peak. 180 Comment
  IRVC20824  Quercus agrifolia var. agrifolia Fred M. Roberts 1982-7-25 784 Orange South Laguna; Niguel Hill, canyon on S flank; 0.9km ESE Aliso Peak; 1.1km NNW Bench Mark 133 Southern Coastal 195 Comment
  UCSB48077  Quercus agrifolia var. agrifolia Roberts, Fred 1981-4-11 Orange Santa Ana Mtns., San Juan Canyon, Hwy 74, 2.7km ENE San Juan Guard Station 96 Comment
  IRVC1350  Quercus berberidifolia A. S. Boughey 1965-3-16 67 Orange Santa Ana Mtns: Silverado Cyn. Peninsular Ranges Comment
  IRVC24546  Quercus berberidifolia Fred M. Roberts, R. L. Allen 1985-8-19 2130 Orange Mission Viejo: lateral to Engilish Canyon along Vista de Lago Drive; 3.4km ENE El Toro Fire Station. Southern Coastal 218 Comment
  IRVC24552  Quercus berberidifolia Fred M. Roberts 1983-10-9 1142 Orange Laguna Beach: Temple Hill S of Upper Rancho Laguna canyon along Del Mar Street. Southern Coastal 190 Comment
  RSA0013913  Quercus berberidifolia Fred M. Roberts 2012-5-10 7583 Orange Jan Joaquin Hills; Buck Gully, south fork, norht slope of Pelican Hill, along Pelican Hills Dr., 0.3 km N summit Pelican Hill 189 Comment
  RSA642705  Quercus berberidifolia R. E. Riefner Jr. 2000-3-19 20 -144 Orange NCCP North Ranch Policy Plan Area. Main Divide Road; top of Gypsum Canyon, Windy Ridge. 518 Comment
  UCR119801  Quercus berberidifolia R. E. Riefner Jr. 2000-8-8 20- 721 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
  UCR132889  Quercus berberidifolia Adrian Wolf 2000-6-1 468 Orange Santa Ana Mtns., North Ranch Policy Plan Area, West Fremont Canyon 534 Comment
  UCR246514  Quercus berberidifolia Fred M. Roberts 2013-5-30 7779 Orange Lomas de Santiago, Santiago Creek Wash, at Santiago Canyon Road bridge, south side, 0.3 km west of the junction of Silverado and Santiago Canyon Roads 299 Comment
  UCSB52412  Quercus berberidifolia Roberts, Fred; Allen, R. 1982-7-4 Orange Chino Hills: Carbon Canyon, Carbon Canyon Rd., 0.3km by road SW county line; 2.5km NNW Gilman Peak 79 Comment
  IRVC24553  Quercus dumosa Fred M. Roberts, Gordon A. Marsh, Karlin G. Marsh 1988-4-26 3952 Orange San Joaquin Hills: Pelican Hill; E slope above Los Trancos Canyon; 0.4km ESE Pelican Hill survey mark; N-facing slope of sandstone ridge. Southern Coastal 200 Comment
  IRVC17313  Quercus engelmannii Gordon A. Marsh, Karlin G. Marsh 1979-12-12 s.n. Orange S side of Ortega Highway (74); 4 miles E of San Diego Freeway [I405]. Santa Ana Mountains Comment
  IRVC21617  Quercus engelmannii Fred M. Roberts, Kelly P. Steele 1984-4-20 1344 Orange Rancho Mission Viejo: Hwy 74 near mouth of Trampas Canyon; 8.7km by road E San Juan Capistrano Southern Coastal 90 Comment
  IRVC23279  Quercus engelmannii Karlin G. Marsh 1987-4-20 s.n. Orange Casper's Regional Park; Lucas Canyon near park boundary; canyon bottom. Southern Coastal Comment
  UCD46910  Quercus lobata James Trumbley 1980-1 1 Orange Crystal Cove State Park, ca. 1 mile inland, in Moro Canyon, a coastal canyon between Laguna Beach and Corona del Mar, Orange County, California. 30 Comment
  RSA0038510  Quercus suber R. E. Riefner Jr. 2012-11-18 12 -555 Orange city of Irvine, San Joaquin Wildlife Sanctuary, South Loop Trail, north of San Diego Creek, west of Campus Drive 8 Comment
  RSA716771  Quercus wislizeni Fred M. Roberts, Michelle Balk, Robert Allen, Carol Roberts 2004-7-18 6076 Orange Santa Ana Mtns.: Upper Trabuco Cyn. along Trabuco Cyn. Trail, 1.3km NE Los Pinos Pk. and c.a. 0.25km by trail from Main Divide Truck Trail. 1245 Comment
  IRVC16134  Quercus wislizeni var. frutescens R. Meinzer, T. Mulroy 1971-4-25 s.n. Orange Santa Ana Mountains: Upper Trabuco Canyon. Peninsular Ranges Comment
  IRVC25093  Quercus wislizeni var. frutescens Fred M. Roberts, Gordon A. Marsh 1986-8-27 3114 Orange Modjeska Peak; Main Divide Truck Trail; SW ridge; 1.0km SW summit Santa Ana Mountains 1530 Comment
  RSA598966  Rafinesquia californica Scott D. White 1997-3-28 4838 Orange Santa Ana Mountains: above Modjeska Canyon, proposed water tank site. 427 Comment
  SD144019  Rafinesquia californica Scott D. White 1997-3-28 4838 Orange Above Modjeska Canyon: Proposed water tank site. 424 Comment
  IRVC14751  Rafinesquia californica A. S. Boughey 1968-4-16 242 Orange Santiago Canyon/Lower Modjeska Cyn, Fleming Property. Santa Ana Mountains Comment
  POM293  Ranunculus californicus D. L. Crawford s.n. Orange Near Laguna Beach Comment
  POM303771  Ranunculus californicus Lyman Benson 1947-4-27 12338 Orange Carbon Canyon. Chino-Puente Hills; Pacific Slope Drainage Area. 244 Comment
  RSA399407  Ranunculus californicus M. B. Dunkle 1935-3-3 4342 Orange San Juan Canyon. 457 Comment
  RSA625805  Ranunculus californicus Scott D. White 1998-4-24 6344 Orange Mission Viejo Area: Aliso Creek watershed, E of El Toro Rd. just N of jct. w/ Valley Vista Wy. Large proposed subdivision called 'Saddleback Meadow.' 305 Comment
  RSA542414  Ranunculus californicus Fred M. Roberts 1987-4-3 3347 Orange Irvine: San Joaquin Hills, Central Shadey Canyon, 2.8 kilometers NE Signal Peak. 109 Comment
  RSA305  Ranunculus cymbalaria var. saximontanus J. T. Howell 1927-7-19 3769 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  IRVC1130  Raphanus raphanistrum L. McCabe 1965-4-17 Orange Laguna Canyon. Laguna Beach Comment
  IRVC1157  Raphanus sativus D. Pfirrmann 1965-4-28 Orange Del Mar and Fair[way] Dr. Costa Mesa Comment
  IRVC1161  Raphanus sativus L. Stilgenbauer 1965-4-10 Orange Corona del Mar, 339 Milford Dr.; in canyon. Newport Beach Comment
  IRVC19391  Raphanus sativus R. L. Allen 1983-2-12 A623 Orange Fullerton; Hillcrest Park, slope bordering E Valley View Drive. Southern Coastal Comment
  RSA703880  Raphanus sativus Fred M. Roberts, D. E. Bramlet 2004-4-21 6043 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy. Along Back Road in upper Shady Canyon, 1.74km NW Sycamore Gate, 1.23km W of Cristianitos Road. 180 Comment
  CAS-BOT-BC74227  Raphanus sativus Ira L. Wiggins 1966-2-12 20433 Orange North side of La Palma Avenue, near Harbor Boulevard, Anaheim. Comment
  UCR126264  Rhamnus alaternus Roger E. Reinke 2003-2-18 s.n. Orange South Coast, Newport Back Bay, Big Canyon 30 Comment
  IRVC29872  Rhamnus alaternus Mark A. Elvin, D. Kelch 2006-12-9 5300 Orange Newport Backbay; Big Canyon, lower end. Southern Coastal 3 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
  CAS-BOT-BC56031  Rhamnus ilicifolia P. C. Everett 1935-6-19 7242 Orange Santa Ana Mts., Trabuco Canyon, 2 mi. below (SW.) Forest Service Patrol Station 365 Comment
  CAS-BOT-BC56032  Rhamnus ilicifolia P. C. Everett 1935-6-17 7138 Orange Santa Ana Mts., Coldwater Canyon, 1.2 mi. above Glen Ivy Resort 457 Comment
  CAS-BOT-BC56035  Rhamnus ilicifolia C. B. Wolf 1931-3-6 1841 Orange 1/2 mile above Trabuco Oaks, Trabuco Canyon, west slope Santa Ana Mts. 457 Comment
  CAS-BOT-BC56039  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
  CAS-BOT-BC56041  Rhamnus ilicifolia John Thomas Howell 1927-6-17 2548 Orange hills on north side of Santa Ana Canyon 152 Comment
  RSA462  Rhamnus ilicifolia J. T. Howell 1927-6-17 152 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA5340  Rhamnus ilicifolia B. D. Stark 1933-1-4 4492 Orange Bottom of Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  RSA684301  Rhamnus ilicifolia Fred M. Roberts 2003-3-19 5607 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
  RSA734987  Rhamnus ilicifolia A. C. Sanders, Fred M. Roberts, Amber O'Neal, D. E. Bramlet 2008-5-9 35297 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, along old dirt road c. 1.25 mi. ESE of Walnut Cyn Reservoir. 340 Comment
  UC592699  Rhamnus ilicifolia P. C. Everett 1935-6-19 Orange 2 mi below Forest Service Patrol Station; Santa Ana Mts., Trabuco Canyon 365 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
  CAS-BOT-BC167922  Rhus integrifolia C. B. Wolf 1931-3-6 1857 Orange 1 1/2 miles below Trabuco Camp Ground, Trabuco Canyon, west slope Santa Ana Mts. 548 Comment
  SEINET6666489 Image available Rhus integrifolia T. C. Arambula 1966-1 26 Orange Firestone Boy Scout Reservation Comment
  UCR106757  Rhus integrifolia B. G. Pitzer, M. Georgiady 1997-4-5 3081 Orange San Joaquin Hills, Crystal Cove State Park, along 'No Dogs' Trail (from parking area, along western bottom edge of ridge between Muddy Canyon & Moro Canyon), to just below intersection with 'Poles' trail 152 Comment
  UCR37790  Rhus integrifolia Steve Boyd, L. 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
  SEINET10634921  Rhus ovata Greg Gust, Leith Nye 2005-3-12 Gust 567 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  CAS-BOT-BC93072  Ribes californicum var. hesperium Carl B. Wolf 1930-1-30 1824 Orange Claymine Canyon, Santa Ana Mountains. 457 Comment
  CAS-BOT-BC93107  Ribes californicum var. hesperium James R. Shevock 1975-4-6 4132 Orange In Silverado Canyon. Santa Ana Mountains. Cleveleand National Forest. 457 Comment
  UC1127397  Ribes californicum var. hesperium H. E. Norton 1931-3-14 40 Orange Verdugo Potrero Corona Quadrangle Comment
  UC484233  Ribes californicum var. hesperium C. B. Wolf 1931-1-30 1825 Orange Claymine Canyon Santa Ana Canyon 457 Comment
  UC484234  Ribes californicum var. hesperium C. B. Wolf 1931-1-30 1824 Orange Claymine Canyon Santa Ana Mts. 457 Comment
  UC484258  Ribes californicum var. hesperium C. B. Wolf 1931-3-6 1849 Orange 1 mi below Trabuco Camp Ground; Santa Ana Mts., Trabuco Canyon 609 Comment
  CAS-BOT-BC173124  Ribes indecorum C. B. Wolf 1931-3-6 1861 Orange 1 mile north of base of Modjeska Grade, west slope of the Santa Ana Mts. 304 Comment
  LA205444  Ribes indecorum O. A. Plunkett; 1939-2-18 sn Orange 15 mi. E of Capistrano Comment
  RSA101787  Ribes indecorum R. Weatherby 1950-2-25 101787 Orange Harding Canyon, Santa Ana Mountains. 579 Comment
  UCR223417  Ribes indecorum Dick Newell, Don Millar 2011-2-8 050 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, top of Agua Chinon Canyon at head of Limestone Canyon 387 Comment
  POM9115  Ribes indecorum P. A. Munz, R. D. Harwood 1920-4-24 3750 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  CAS-BOT-BC168944  Ribes malvaceum James R. Shevock 1978-4-26 5899 Orange Along the divide road, FS 3S04 in the vicinity of Sierra Peak, Santa Ana Mountains, Cleveland National Forest 1097 Comment
  RSA101789  Ribes malvaceum var. viridifolium R. Weatherby 1950-2-25 1030 Orange Harding Canyon, Santa Ana Mts. 762 Comment
  RSA796520  Ribes malvaceum var. viridifolium Robert F. Thorne, E. W. Lathrop 1977-5-18 49730 Orange Santa Ana Mountains: at head of Trabuco Canyon Trail Comment
  RSA84500  Ribes malvaceum var. viridifolium F. W. Peirson 1925-4-11 5733 Orange slope above mill, in Silverado Canyon, Santa Ana Mountains. 915 Comment
  RSA0018259  Ribes roezlii Carl B. Wolf 1933-8-24 5395 Orange Summit of Santiago Peak, Santa Ana Mountains. 1707 Comment
  CAS-BOT-BC186105  Ribes roezlii var. roezlii Carl B. Wolf 1941-8-15 11154 Orange Santa Ana Mts. Summit Santiago Peak 1706 Comment
  LA205521  Ribes speciosum C. B. Wolf; 1931-3-6 1863 Orange 1 mi. N of mouth of Harding Canyon, W. slope of Santa Ana Mts Comment
  RSA84969  Ribes speciosum F. W. Peirson 1924-2-10 4531 Orange Second canyon south of Corona Del Mar. Comment
  UCD102509  Ribes speciosum P. B. Kennedy 1925-1-12 s.n. Orange Irvine Range. Comment
  UCR108368  Ribes speciosum Steve Boyd, B. O'Brien 1998-1-13 10067 Orange Santa Ana Mtns, N end of the Santa Ana Range, head of Mabey Canyon, along Main Divide Road (3S04) about 0.5 mi north of Oak Flat 845 Comment
  RSA797435  Ricinus communis Keith E. Hoffmaster 1935-2-17 s.n. Orange Near Costa Mesa Comment
  UCR100446  Ricinus communis B. G. Pitzer 1996-4-30 2779 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  IRVC25524  Robinia pseudoacacia Fred M. Roberts 1987-11-17 3755 Orange Serrano Creek, near Trabuco Road west of Canada Road, 2.5km NNE El Toro Fire Station, Lake Forest 146 Comment
  JEPS51547  Romneya coulteri John Thomas Howell 1927-7-22 2833 Orange Santa Ana Mountains, Claymine Canyon Claymine Canyon; Santa Ana Mountains, Claymine Canyon 182 Comment
  RSA446201  Romneya coulteri N. C. Cooper 1949-5-1 3934 Orange San Juan Canyon. 457 Comment
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Aug 11 2011
  RSA548867  Romneya coulteri Fred M. Roberts, Carol A. Roberts 1988-6-2 4028 Orange Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak. 817 Comment
  SBBG95105  Romneya coulteri S. D. White 1990-7-17 Orange Coal Cyn, ca. 1 mi S of the mouth of the Cyn near the Cyn bottom 274 Comment
  SD98979  Romneya coulteri Darley Howe 1976-6-4 4904 Orange Trabuco Canyon, Santa Ana Mtns. (mak 10/07) 305 Comment
  UC1126495  Romneya coulteri H. E. Norton 1931-3-6 36 Orange Baker Canyon 609 Comment
  CAS-BOT-BC92178  Romneya coulteri var. coulteri A. M. White 1974-6-1 1363 Orange Ca. 20 miles east of Santa Ana, north of Silverado Canyon. 1005 Comment
  POM10514  Rosa californica Philip A. Munz, R. D. Harwood 1920-4-24 3752 Orange Santa Ana Mountains, Sierra [Freemont] Canyon. 366 Comment
  RSA5318  Rosa californica B. D. Stark 1932-12-30 s.n. Orange Rancho Santa Ana. River bottom below Mexican houses. 122 Comment
  RSA0045576  Rosa californica Minor Warne 1934-4-21 s.n. Orange Limestone Canyon by Scout Camp. Comment
  RSA0045579  Rosa californica R. H. McArthur 1934-4-21 s.n. Orange Limestone Boyscout Camp. Comment
  RSA682754  Rubus ursinus Scott D. White, Amanda Duchardt 2003-3-27 8848 Orange Santa Ana Mountain Foothills: Canyon bottom and west facing slopes above Canada Gobernadora. 91 Comment
  CAS-BOT-BC421795  Rumex conglomeratus Carl B. Wolf 1932-7-2 3823 Orange Carbon Canyon, 1/8 mi. below La Vida Springs. 213 Comment
  CLARK-A1528-923  Rumex crispus Patricia A. Andrews 1975-6-26 5912 Orange Capistrano Bay Beach 9 Comment
  UCR166796  Rumex crispus R. E. Riefner Jr. 2005-7-9 05- 550 Orange South Coast, city of Huntington Beach, Huntington Central Park, Goldenwest Street near Slater Avenue 1.5 Comment
  VVC896  Rumex crispus B. G. Pitzer 1997-3-25 3013 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy & the bike trail. 30 Comment
  CAS-BOT-BC433581  Rumex hymenosepalus Carl B. Wolf 1932-3-15 2712 Orange Lower end of Santa Ana Canyon, 1 mi. W. of Atwood. 76 Comment
  CAS-BOT-BC433582  Rumex hymenosepalus Helen D. Geis 1902-5-1 s.n. Orange Majeska's Comment
  POM2357  Rumex maritimus P. A. Munz 1918-5-4 2197 Orange Laguna Lakes, Laguna. Comment
  UC536915  Rumex maritimus Lawrence M. Booth 1932-6-28 1220 Orange Bolsas Marsh Comment
  UCR250322  Rumex obtusifolius A. C. Sanders, Fred M. Roberts 2008-8-7 36004 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
  UCR107843  Rumex salicifolius Scott D. White 1998-3-24 6231 Orange Irvine. Univ. of Calif. Irvine Campus: Site of proposed Research Park. SW of main campus circle, c. halfway between Berkeley Av. and new freeway (Bonita Cyn) 37 Comment
  RSA383650  Ruppia maritima V. Newsom 1932-7-4 16946 Orange Laguna - Aliso canyon, Orange County Comment
  UCSB36213  Salicornia bigelovii Ferren, Wayne 1980-8-27 Orange W side of Backbay Drive ca. 1.5 km. NE of Rt. 1, along channel of Newport Backbay, Newport Beach Comment
  SFV20020  Salicornia depressa A. Dittmer, S. Dark 2004-10-3 75 Orange Bolsa Chica wetlands. South side of public parking lot off Highway 1. Comment
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Feb 9 2020
  UCSB44173  Salicornia pacifica Henneman, J. 1977-5-21 Orange Newport Back Bay 3 Comment
  RSA232235  Salicornia virginica James Henrickson 1970-7-25 5036 Orange 3.5 miles NW of Huntington Beach on sandy margin of Bolsa Bay, 1/4 mile SE of Warner Ave. along PCH; at sea level. 0 Comment
  RSA768501  Salicornia virginica Justin M. Wood 2009-12-1 1392 Orange Santa Ana River: marsh just upstream of Pacific Coast Highway. 0 Comment
  UCR158157  Salicornia virginica Adrian Wolf 1998-5-27 341 Orange South Coast, Newport Slough, south of oil fields, between Huntington Beach, Costa Mesa and Newport Beach, just south of the channelized mouth of the Santa Ana River 2 Comment
  RSA5874  Salicornia virginica C. B. Wolf 1932-9-13 4026 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
  POM182045A  Salix exigua Carl B. Wolf 1932-7-7 3843 Orange Rancho Santa Ana, along ditch on Bixby Ave., 1 km. west of Hansen Road, near town of Los Alamitos. 8 Comment
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Apr 11 2014
  RSA0042767  Salix exigua Fred M. Roberts 2012-7-18 7675 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill. 37 Comment
  RSA6444  Salix exigua Carl B. Wolf 1932-7-7 3843 Orange Bixby Ave., 1 km. W of Hansen road near town of Los Alamitos. 8 Comment
  RSA6452  Salix exigua Carl B. Wolf 1932-4-15 2954 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon. 120 Comment
  RSA731935  Salix exigua Fred M. Roberts, Sandra Leatherman 2007-11-27 6675 Orange Yorba Linda: Santa Ana Canyon, Santa Ana River wash, S of E La Palma Road near Via Lomas de Yorba Linda, about 0.6 km W Gypsum Cyn. bridge. 113 Comment
  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
  UCR210360  Salix exigua T. B. Salvato, Billy Deane 2006-10-16 1929 Orange South Coast, Irvine, San Diego Creek flood control channel, between Michelson Drive and the 405 FWY 12 Comment
  LA208640  Salix exigua var. hindsiana Carl B. Wolf; 1932-7-7 3845 Orange Rancho Santa Ana, along ditch on Bixby Ave., 1 km W of Hansen Rd, near town of Los Alamitos 7.5 Comment
  POM182034  Salix gooddingii Carl B. Wolf 1932-4-15 2955 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon. 120 Comment
  RSA0093589  Salix gooddingii Fred M. Roberts 2014-4-21 7855 Orange South Coast. SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin. 113 Comment
  RSA701692  Salix gooddingii Fred M. Roberts, David E. Bramlet 2003-6-6 5895 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road. Comment
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Mar 11 2015
  UCR193026  Salix gooddingii A. C. Sanders, Fred M. Roberts 2008-6-17 35515 Orange Peninsular Range; Santa Ana Mtns., middle section of Weir Canyon, SSE of Walnut Canyon Reservoir 225 Comment
  UCR261703  Salix gooddingii Dick Newell, Don Millar 2015-3-31 398 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, on Limestone Canyon Rd., 0.3 mi. SW of junction of Santiago Cyn. Rd. and Silverado Cyn. Rd. 311 Comment
  RSA0030838  Salix gooddingii Carl B. Wolf 1932-4-8 2950 Orange Rancho Santa Ana, near Sant Ana River, Sasnta Ana Canyon. 120 Comment
  CAS-BOT-BC108204  Salix hindsiana Carl B. Wolf 1932-4-15 2953 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon 120 Comment
  RSA0038336  Salix hindsiana var. leucodendroides 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
  LA208698  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-19 7684 Orange Santa Ana River 8 km below Prado (Rincon) [Area 7] Comment
  RSA6453  Salix laevigata Carl B. Wolf 1932-4-8 2949 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon, at southeast corner of pear orchard. 120 Comment
  SEINET959510  Salix laevigata A. C. Sanders 2006-1 33015 Orange Peninsular Range; Santa Ana Mtns.: San Juan Canyon, from Lower San Juan Picnic Area to xa. 1 mile downstream , parrallel to Hwy 74 and near Riverside Co. line (sitton Peak 7.5 q) 366 Comment
  UCR239909  Salix laevigata 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
  RSA0071937  Salix laevigata CNPS Accuracy Assessment Team 2014-4-28 898 .2 Orange Black Star Canyon. Comment
  RSA700179  Salix lasiolepis Minor Warne 1934-2-1 s.n. Orange Santa Ana River bed Comment
  UCR193009  Salix lasiolepis A. C. Sanders 2008-5-28 35444 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  CAS-BOT-BC126301  Salix sessilifolia John Thomas Howell 1927-6-6 2440 Orange Santa Ana River bottom 152 Comment
  CAS-BOT-BC126306  Salix sessilifolia Carl B. Wolf 1932-7-7 3843 Orange Rancho Santa Ana, along ditch on Bixby Ave., 1 km. west of Hansen Road, near town of Los Alamitos 7 Comment
  RSA700196  Salix sessilifolia Minor Warne 1934-02 s.n. Orange Santa Ana River Comment
  UCR103711  Salpichroa origanifolia B. G. Pitzer, T. Tennant 1997-11-8 3367 Orange San Joaquin Hills, Crystal Cove State Park, along Moro Canyon Trail, from beginning to a point c. 1.75 mi. up the canyon. 85 Comment
  UCR136676  Salpichroa origanifolia E. L. Paddock 1943-5-19 12747 Orange 1 mi east of Brea 107 Comment
  UCR128168  Salsola australis Scott D. White, Michael Honer 2003-7-10 9625 Orange Santa Ana Mountain foothills, Hills above Trampas Canyon, just south of Ortega Hwy 183 Comment
  CHSC118879  Salsola australis R. E. Riefner Jr. 2007-1-20 07 -16 Orange City of Lake Forest, along Bake Pwky. At Dimension Rd. (NAD 83) 11S 0437348E 3725534N. 217 Comment
  CAS-BOT-BC176976  Salsola tragus John Thomas Howell 1927-7-27 2857 Orange Hills on n. side of Santa Ana [Canon] 152 Comment
  CDA25746  Salsola tragus A. C. Sanders, Fred M. Roberts 2008-9-18 36080 Orange Peninsular Range; Santa Ana Mountains Foothills; Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge. Comment
  RSA269  Salsola tragus J. T. Howell 1927-6-6 44 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  UCSB48204  Salsola tragus Roberts, Jr., Fred 1981-7-8 Orange Rancho Mission Viejo: Calif. Rte. 74, 5.2 km ENE San Juan Capistrano by road 100 Comment
  RSA411335  Salvia apiana F. R. Fosberg 1931-6-21 S 5092 Orange Lower Santiago Canyon. Comment
  RSA769343  Salvia apiana E. W. Lathrop 1974-6-27 7425 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  SD152816  Salvia apiana Steve Boyd, Tim Ross 1992-5-20 7484 Orange Southern Santa Ana Mountains: San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building). 404 Comment
  CAS-BOT-BC233674  Salvia leucophylla Carl B. Wolf 1932-6-2 3701 Orange Rancho Santa Ana between Administration Bldg. and tennis court, Santa Ana Canyon 198 Comment
  HSC14369  Salvia mellifera J. J. Wagoner 1965-4-11 17 Orange 4 mi. N of Modjeska Canyon off Irvine Rd. near Irvine Lake Comment
  RSA5278  Salvia mellifera B. D. Stark 1932-12-15 4454 Orange Rancho Santa Ana 145 Comment
  RSA658202  Salvia mellifera T. A. Daubert 1991-5-19 652 Orange Tucker Wildlife Sanctuary, Modjeska Canyon inside sanctuary. Comment
  RSA749294  Salvia mellifera Fred M. Roberts, Linda Farley 2008-3-28 6818 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robber s Peak, Irvine Land Conservancy. 437 Comment
  UCLA69968  Salvia mellifera Martha Hilend Apr 1921 45 Orange Fullerton, Little Bear Lake; Orange County Park Comment
  UCR102017  Salvia mellifera B. G. Pitzer 1997-3-25 3020 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  UCR99553  Salvia mellifera B. G. Pitzer 1996-4-30 2798 Orange San Joaquin Hills, Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy) 15 Comment
  RSA131655  Sambucus caerulea E. K. Balls 1958-6-27 23289 Orange Santiago Peak, below tower lookout, Santa Ana Mountains. 1662 Comment
  IRVC334  Sambucus mexicana B. Mawdsley 1965-5-2 Orange Cleveland National Forest; Silverado [Canyon]. Santa Ana Mountains Comment
  RSA13083  Sambucus mexicana Vernon Fagan 1935-9-4 7566 Orange Rancho Santa Ana, Santa Ana Canyon North of Mexican Houses. 122 Comment
  RSA3156  Sambucus mexicana C. B. Wolf 1931-7-25 2293 Orange Above irrigation canal, just north of Mexican houses. Rancho Santa Ana. 122 Comment
  RSA587877  Sambucus mexicana Fred M. Roberts 1990-5-8 4624 Orange Chino Hills: Soquel Canyon, ca. 1.4km Nof Gilman Peak. 335 Comment
  UCR193364  Sambucus mexicana A. C. Sanders 2008-5-28 35431 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  CAS-BOT-BC238829  Sambucus nigra subsp. caerulea C. B. Wolf 1931-7-25 2293 Orange Above the irrigation canal, just north of Mexican houses, Rancho Santa Ana, Santa Ana Canyon 121 Comment
  OBI5974  Sambucus nigra subsp. caerulea Carl B. Wolf 1931-7-24 2292 Orange Upper sonoran. Ravine at Olinda, lower end of Carbon Cyn 152 Comment
  RSA0073648  Sambucus nigra subsp. caerulea Fred M. Roberts 2012-4-24 7519 Orange San Joaquin Hills: Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak. 167 Comment
  IRVC16673  Sanicula arguta J. B. Anderson 1966-4-11 435 Orange around hill west of Signal Peak. San Joaquin Hills Comment
  UC1022510  Sanicula crassicaulis C. Ritchie Bell 1953-2-22 1387 Orange near sw edge of San Clemente State Park, above old dam San Clemente State Park Comment
  UCR242700  Sanicula crassicaulis Fred M. Roberts 2012-5-10 7577 Orange SAN JOAQUIN HILLS: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit 154 Comment
  RSA606430  Sanicula crassicaulis Jon E. Keeley 1994-4-5 25263 Orange First year burn, east end of Caspers Park S-7 (Keeley 1994) 215 m. 215 Comment
  RSA471481  Sanicula graveolens Christopher Davidson 1977-5-18 5606 Orange Cleveland National Forest; Santiago Peak (on Orange-Riverside Co. line) 1706 Comment
  UCR150912  Sanicula tuberosa Valerie Soza, LeRoy Gross 1999-6-10 511 Orange Santa Ana Mountains, Southwestern extension of Modjeska Peak, off dirt road to summit, off Main Divide Road 1524 Comment
  SD232219  Sarcocornia pacifica Valerie Soza, Kevin Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary Wallace 2001-4-4 1101 Orange Seal Beach National Wildlife Refuge: Seal Beach U. S. Naval Weapons Statiion, across access road from Nature Center (Bldg 226). 3 Comment
  RSA83973  Saxifraga californica F. W. Peirson 1925-4-11 5730 Orange Slope above mill, in Silverado Canyon, Santa Ana Mountains. Comment
  UCR56327  Scandix pecten-veneris Kathy Harper 1989-4-8 s.n. Orange Ronald W. Caspers Wilderness Area, along Bell Canyon Trail. 153 Comment
  UCR217463  Schinus terebinthifolius Mark A. Elvin 2003-2-23 2310 Orange South Coast, Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  IRVC20382  Schismus barbatus Fred M. Roberts 1983-3-16 910 Orange Laguna Beach: Sycamore Hills, central ridge, 1.1km NNE jct. El Toro and Laguna Canyon Rds.; 5.4km [ESE] Signal Peak. Southern Coastal 156 Comment
  CAS-BOT-BC111473  Schoenoplectus americanus John Thomas Howell 1927-7-19 2805 Orange In shallow water, Santa Ana River bottom, Santa Ana Canon 152 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
  UCSB56474  Schoenoplectus californicus Thorne, Robert 1975-4-6 Orange San Joaquin Marsh: near Irvine and coast Comment
  POM201902  Schoenoplectus robustus L. M. Booth 1932-7-29 1328 Orange East side of Newport Lagoon. Comment
  RSA89  Scirpus acutus var. occidentalis J. T. Howell 1927-7-5 270 Orange West side, Rancho Santa Ana [Botanic Garden]. 152 Comment
  RSA647958  Scrophularia californica Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-15 25 Orange 1/2 mile south of Chino Hills State Park. 168 Comment
  UCR191024  Scrophularia californica A. C. Sanders, Fred M. Roberts 2008-4-22 35014 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
  RSA445380  Scutellaria tuberosa Albert J. Perkins 1919-4-13 s.n. Orange Modjeska Ranch. Comment
  UCD170928  Sechium edule D. E. Bramlet 2005-10-13 3916 Orange South Coast: end of Kline Drive, 650 ft south of Orchard Drive in Santa Ana Heights; 2600 ft SW of the S end of John Wayne Airport. 15 Comment
  CAS-BOT-BC61962  Selaginella John Thomas Howell 1927-6-26 2611 Orange Claymine Canyon, n. Santa Ana Mts. 457 Comment
  IRVC25398  Selaginella cinerascens Fred M. Roberts 1987-4-3 3339 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
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Oct 17 2017
  LA203927  Senecio flaccidus var. douglasii W. E. Pequegnat; 1937-8-25 sn Orange Santa Ana Mountains, near Hyla (?) Stream Comment
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Jan 26 2015
  UCR204762  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-BC364603  Senecio vulgaris Ira L. Wiggins 1966-3-31 20569 Orange Shoulder of Associated Road, 200 m. S of Imperial Highway, Fullerton Comment
  RSA630331  Senna didymobotrya O. F. Clarke 1994-6-17 s.n. Orange Laguna canyon Comment
  JEPS42884  Sesuvium verrucosum L. M. Booth 1932-7-4 1257 Orange Newport Bay Comment
  IRVC1825  Setaria lutescens J. B. Anderson 1966-4-25 617 Orange Santa Ana: 20021 Birch Street. Southern Coastal Comment
  CAS-BOT-BC240116  Setaria sphacelata Ira L. Wiggins 1965-9-26 20266 Orange Just south of Letters and Science Building, California State College at Fullerton Comment
  CAS-BOT-BC240183  Setaria verticillata Ira L. Wiggins 1965-11-7 20361 Orange Vacant lot on west side of State College Blvd., near Troy High School, Fullerton Comment
  POM156679  Silene antirrhina L. R. Abrams 1903-4-18 3272 Orange Trabuco arroyo, near San Juan Capistrano. Comment
  RSA734348  Silene antirrhina A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34641 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 396 Comment
  SD241797  Silene antirrhina Mark A. Elvin 2003-3-30 2384 Orange South Coast: north side of UC Irvine Preserve, between core of UCI campus (E Peltason Dr.) and Hwy 73. 46 Comment
  IRVC357  Silene gallica B. Newman 1965-3-14 Orange Dana Point Comment
  CAS-BOT-BC386896  Silene gallica Ira L. Wiggins 1966-3-19 20536 Orange on Irvine Ranch, southeast of U.C. Irivine. Comment
  RSA797291  Silene gallica D. M. McF 1953-4-3 s.n. Orange Irvine Coast G.C. Corona Del Mar. Comment
  SD127342  Silene laciniata subsp. major Reid Moran, Gordon Marsh and Jack Reveal 1977-6-13 24233 Orange Willow Canyon, tributary of Laguna Canyon 124 Comment
  RSA708224  Silene lemmonii Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6217 Orange Main Divide Road, ridge between Silverado and Bixby Canyons, coastal slope, 0.46km (air) S Bald Peak. 1203 Comment
  RSA761927  Silene verecunda subsp. platyota Robt Allen 2003-6-22 12381 Orange Modjeska Peak, southwestern arm, 0.6 air miles southwest of the summit. 1513 Comment
  CAS-BOT-BC75236  Sisymbrium irio Ira L. Wiggins 1966-2-5 20425 Orange Roadside along Newport Boulevard, 4.5 miles north of Orange County Fairgrounds. Comment
  RSA0127611  Sisymbrium officinale Fred M. Roberts 2016-4-26 8042 Orange Lomas de Santiago: South of Santiago Canyon Road in tributary to Lower Presida Canyon just southwest of Irvine Lake, 2.2 km S Irvine Lake dam spillway and 0.6 km SW Irvine Lake Park. 265 Comment
  RSA735968  Sisymbrium officinale Scott D. White, Justin Wood 2008-4-22 11906 Orange Telegraph Canyon Road, E of Carbon Canyon Regional Park. 152 Comment
  UCR191002  Sisymbrium officinale A. C. Sanders, Fred M. Roberts 2008-4-22 35047 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
  RSA0015957  Sisyrinchium bellum Fred M. Roberts 2012-4-24 7536 Orange 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
  UCR192074  Sisyrinchium bellum A. C. Sanders, Fred M. Roberts 2008-5-6 35250 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
  POM9050  Sisyrinchium bellum Philip A. Munz, R. D. Harwood 1920-4-24 2751 Orange Sierra [Freemont] Canyon, Santa Ana Mountains. 366 Comment
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Sep 17 2011
  POM21634  Solanum americanum F. W. Peirson 1924-2-9 4523 Orange Between Wintersberg and the sea. Comment
  POM4249  Solanum americanum Philip A. Munz 1918-5-4 2176 Orange Laguna Canyon. Comment
  RSA234565  Solanum americanum James Henrickson 1970-7-25 5046 Orange 2.5 miles NE of Huntington beach, 1 mile SE of Warner Ave. on sandy slope of E. Pacific Coast Hwy. at border of Bolsa Chica Salt Marsh. 0 Comment
  RSA427318  Solanum americanum J. C. Marvin 1923-4-1 s.n. Orange Trabuco Canyon Comment
  RSA715704  Solanum americanum Fred M. Roberts, Robert L. Allen 2005-10-15 6315 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  UCSB17923  Solanum americanum Gerhart, Janet 1963-2-22 Orange Trabuco Canyon, 1/2 miles above locked gate on dirt road, 17.5 miles east of U.S. Highway 101 at El Toro Marine Base 396 Comment
  HSC21299  Solanum douglasii J. W. Johnson 1961-3-29 Orange Newport Beach, N slope overlooking upper Newport Bay Comment
  RSA699756  Solanum douglasii Fred M. Roberts, David E. Bramlet 2003-6-6 5888 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.7km SW int. Cristianitos and TRW Rds. and 0.23km W of SDGandE substation. 94 Comment
  RSA0020076  Solanum douglasii Keith E. Hoffmaster 1927-5-15 533 Orange Santa Ana Comment
  RSA0020269  Solanum douglasii E. W. Lathrop 1974-6-27 7414 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 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
  RSA450870  Solanum lanceolatum Gordon Marsh, Karlin G. Marsh 1976-4-8 s.n. Orange Tustin, First Street. Vacant lot west of Post Office. Comment
  UCR44897  Solanum nigrum B. G. Pitzer, L. F. LaPre 1986-10-20 317 Orange City of Irvine, Drainage channel near intersection of Irvine Blvd. and Sand Canyon Avenue. 91 Comment
  POM201712  Solanum physalifolium var. nitidibaccatum L. M. Booth 1932-7-30 1344 Orange Santa Ana River Comment
  RSA38195  Solanum rostratum Ed Johnson 1946-8-22 11531 Orange sandy river bottom, Rancho Santa Ana, Santa Ana River Canyon 122 Comment
  RSA599592  Solanum rostratum Fred M. Roberts Jr., Nigel Hancock 1995-5-25 4947 Orange Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School. 24 Comment
  RSA427386  Solanum umbelliferum A. M. Johnson 1934-4-15 4401 Orange Carmen's Laguna Beach. Comment
  RSA587879  Solanum umbelliferum Fred M. Roberts 1990-5-8 4622 Orange Chino Hills: Soquel Canyon, c.a. 1.4 km N Gilman Peak. 335 Comment
  SBBG104113  Solanum umbelliferum B. Pitzer with S. Hemstreet 1992-5-21 1943 Orange St Hwy 74, 1 mi uphill from the 2000 ft marker, and to the left ca. 0.1 mi on an old paved rd 640 Comment
  RSA747637  Solanum umbelliferum var. glabrescens Fred M. Roberts, Lee Ann Carranza 2008-4-16 6916 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 71 Comment
  SD247738  Solanum xanti R. F. Thorne, C. W. Tilforth, E. W. Lathrop. 1977-4-27 49696 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  UCR241050  Soleirolia soleirolii Robert DeRuff 2012-9-27 554 B Orange South Coast, Upper Newport Bay, adjacent to Back Bay Dr. just past Newporter Canyon 3 Comment
  RSA798089  Sonchus asper R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49582 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCR192457  Sonchus asper A. C. Sanders, Fred M. Roberts 2008-3-25 34553 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA5505  Sonchus oleraceus C. B. Wolf 1932-6-28 3759 Orange Along western half of no. boundary of 40 acre Valencia Orange grove at Bryant Ave. and Hansen Road. 9 Comment
  RSA737537  Sonchus oleraceus Fred M. Roberts 2008-3-12 6725 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  UCR191421  Sonchus oleraceus A. C. Sanders, Fred M. Roberts 2008-4-8 34771 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Harding Truck Trail at Dripping Springs Loop, above Limestone Canyon 495 Comment
  UCR223419  Sonchus oleraceus Dick Newell, Don Millar 2011-3-1 065 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Hicks Canyon Haul Road, above Jeffrey Rd. and below Hwy 241 crossing 175 Comment
  RSA688866  Sonchus oleraceus Fred M. Roberts 2003-5-1 5669 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
  UCD136209  Sonchus oleraceus Ira L. Wiggins 1965-11-6 20334 Orange west side of Atwood. Comment
  SD384  Sorghum halepense none given VII, 1915 Orange Vic. Santa Anna Comment
  SEINET179444 Image available Sorghum halepense L. M. Booth 1932-7-18 1265 Orange Costa Mesa. Comment
  CLARK-A1528-5031  Spartina foliosa John C. Roos 1937-9-1 427 Orange Seal Beach Comment
  RSA548855  Spartina foliosa Fred M. Roberts 1986-10-31 3185 Orange Seal Beach Naval Weapons Station: Anaheim Bay, vicinity of Hog Island., UTM 3732900m N, 400900m E 0 Comment
  RSA659437  Spartium junceum P. Shirokawa 1998-5-7 13 Orange Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  SEINET10487736  Spartium junceum David B. Dunn 1971-8-13 Dunn 18128 Orange Cultivated plants vicinity of laguna beach so called scotch broom. Comment
  RSA0097075  Spergularia Scott D. White 1998-3-24 6228 Orange University of California, Irvine Campus: Site of proposed Research Park, Southwest of main campus circle, ca. halfway between Beerkeley Avenue and new freeway (Bonita Canyon). 37 Comment
  UCR157693  Spergularia Adrian Wolf 1998-5-15 277 Orange South Coast, Lambert Reservoir, north of El Toro Marine Corps Air Station 134 Comment
  UCR266419  Spergularia D. E. Bramlet 2009-11-27 4430 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  POM202104  Spergularia macrotheca L. M. Booth 1932-5-19 1062 Orange Newport Bay. Comment
  RSA0097843  Spergularia macrotheca P. A. Munz 1918-5-5 2204 Orange Laguna Beach. Comment
  CAS-BOT-BC390309  Spergularia macrotheca var. macrotheca Scott D. White 1997-3-26 4821 Orange Univ. of Calif. Irvine Campus: Site of proposed student recreation center, east of main campus. Existing Farm School and adjacent grasslands (horse pasture) between California Ave. and Culver Dr. 30 Comment
  RSA0098516  Spergularia marina Elroy Robinson 1936-6-26 s.n. Orange El Torro, along Santa Fe Railway. Comment
  UCR20401  Spergularia rubra Albert J. Perkins 1926-4-27 s.n. Orange Pacific slope, City of Santa Ana, in a yard. Comment
  UCSB52392  Spergularia salina Roberts, Fred; Ferren, Wayne 1982-7-21 Orange Newport Beach; Upper Newport Back Bay, Back Bay Dr., 3.5 km. N San Joaquin Hills Rd.; 3.0 km. W UC Irvine campus 2 Comment
  UCR186140  Sphaeralcea emoryi O. F. Clarke, D. Svehla 2004-6-23 s.n. Orange South Coast, Newport Back Bay, just south of the Muth Interpretive Center 15 Comment
  CAS-BOT-BC236645  Sphenopholis obtusata Samuel B. Parish 1884-6-10 1640 Orange Banks of Santa Ana River Comment
  IRVC26698  Spiloxene serrata Mark A. Elvin, J. Liou, J. Carpenter, J. Nguyen 2004-3-8 3175 Orange UCI Arboretum Southern Coastal 15 Comment
  UC729887  Sporobolus airoides Carl B. Wolf 1932-7-7 3848 Orange Bixby Ave., 0.7 mi. w. of Hansen Rd., 0.2 mi. w. of s.e. corner of NE 40 of NW 160 of Sect 34 Bryant Ranch Comment
  RSA788911  Sporobolus indicus Fred M. Roberts 2008-9-17 7106 Orange Peninsular Ranges: Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana river, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river. 87 Comment
  CAS-BOT-BC248292  Stachys ajugoides A. C. Sanders; Fred M. Roberts 2008-6-17 35488 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
  RSA691958  Stachys ajugoides Scott D. White, Michael Honer 2003-4-10 9001 Orange Santa Ana Mountain Foothills: Ridges & east-facing canyons above Trampas Canyon. 122 Comment
  SEINET9324867  Stachys ajugoides Unknown 2008-4-8 34752 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. (El Toro 7.5' topo.). Mountain slopes; clay-loam soil with shale and sandstone chunks; chaparral burned Oct. '07. Comment
  UCLA70972  Stachys ajugoides var. rigida C. Epling, H. Lewis Jun 1940 Orange near Summit (Ortega Road); Santa Ana Comment
  SBBG105052  Stachys rigida S. Boyd, D. Banks 1994-4-5 8276 Orange ridgeline between Lucas and Verdugo Cyns W of Verdugo Potrero, near transit point "Lucas" 426 Comment
  SBBG120829  Stachys rigida A. C. Sanders, F. M. Roberts, M. Balk 2006-7-20 33018 Orange San Juan Cyn, from lower San Juan Picnic Area to ca. 1 mi downstream, parallel to Hwy 74, near Riverside Co line 366 Comment
  RSA0026255  Stachys rigida subsp. 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 kilometers ENE Silverado School and 1.4 kilometers up stream Black Star Road Crossing. 320 Comment
  RSA0127596  Stachys rigida var. quercetorum Fred M. Roberts 2016-3-17 8026 Orange San Joaquin Hills: City of Irvine, west slope, Bommer Canyon along Turtle Ridge Trail, 0.8 km NE Signal Peak and 0.9 km SW Cattle Camp. 265 Comment
  SD248452  Stachys stebbinsii A. C. Sanders, Kent Beaman 2011-9-27 39902 Orange Peninsular Range; Santa Ana Mountains: Maple Springs Truck Trail above Silverado, at major (dry) stream crossing, 3.95 km NNW (347a^z) of Santiago Peak (Santiago Peak 7.5'Q) 903 Comment
  RSA685923  Stellaria media Fred M. Roberts 2003-3-27 5631 Orange Rancho Mission Viejo:Donna O Neill Land Conservancy, Chistianitos Canyon, along North Ride Trail, 1.37 km N Sycamore Gate, 0.36 km W Chistianitos Rd. 114 Comment
  IRVC371  Stellaria media A. S. Boughey 1965-3-16 74 Orange Silverado Canyon. Santa Ana Mountains Comment
  RSA2075  Stellaria media C. B. Wolf 1931-3-6 1854 Orange Trabuco Canyon at Trabuco Campgrounds west slope of Santa Ana Mts. 610 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
  RSA488125  Stephanomeria cichoriacea Fred M. Roberts 1985-7-26 2096 Orange Santa Ana Mts.: Main Divide Truck Trail, above Falcon Group Camp, 2.2 km ESE Los Pinos Peak 1057 Comment
  RSA7469  Stephanomeria cichoriacea C. B. Wolf 1933-8-24 5349 Orange Summit of Santiago Peak, Santa Ana Mountains 1731 Comment
  POM122552  Stephanomeria diegensis Marcus E. Jones 1924-8-26 s.n. Orange Newport. Comment
  UCR224153  Stephanomeria exigua subsp. exigua Fred M. Roberts 2008-7-10 7065 Orange South Coast, Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8 km west-northwest of Marine Institute, Dana Point Harbor 65 Comment
  CAS-BOT-BC375867  Stephanomeria virgata H. F. Copeland 1938-6-28 s.n. Orange Hills back of Laguna Beach Comment
  CAS-BOT-BC375865  Stephanomeria virgata Ira L. Wiggins 1965-11-6 20340 Orange Kraemer Oil Estates, near Well No. 14, near end of county road leading to Rancho Santa Ana (extension of Orangethorpe Blvd.) Comment
  SD95151  Stipa coronata Jack L. Reveal 1975-7-18 1764 Orange Occasional among boulders at upper edge of riparian zone, Trabuco Canyon. 550 Comment
  UCR2804  Stipa lepida F. M. Reed 1928-7-10 6579 Orange Sidewalk in Laguna Beach 0 Comment
  UCR37802  Stipa lepida 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
  SEINET10603936  Stipa pulchra LeRoy R. Abrams 1903-4-18 Abrams 3269 Orange Trabuco canon, Capistrano. Comment
  RSA588794  Stylocline gnaphaloides Fred M. Roberts, D. Bontrager 1990-4-18 4566 Orange Rancho Mission Viejo: ridge between Christianitos and Gabino Canyons (Riverside Cement Lease Holdong), 5.5 km SE Playa Survey Marker. 152 Comment
  CHSC116479  Styrax officinalis var. fulvescens R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49686 Orange Northern Santa Ana Mountains: Sierra Peak. [ locality information from field label; note on newspaper 'near Beek's Place, Skyline Drive crest, MDT Trail' (Main Divide Truck Trail] 899 Comment
  RSA0033805  Styrax officinalis var. fulvescens Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49686 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  RSA753416  Styrax redivivus Eleanor Carter 1998-5-25 s.n. Orange At the summit of Sitton Peak, just N of San Mateo Wilderness. 998 Comment
  RSA763837  Styrax redivivus Doris Bowers 1971-4-19 1695 Orange Santa Ana Mts. 762 Comment
  UC116539  Suaeda calceoliformis S. B. and W. F. Parish Oct 1882 1598 Orange Santa Ana Comment
  IRVC23985  Suaeda calceoliformis R. De Ruff 1988-6-5 Orange Newport Backbay, road just east of Shellmaker Island, Newport Beach 0 Comment
  RSA70016  Suaeda esteroa F. W. Peirson 1924-8-29 5082 Orange 2.5 miles from Balboa on road inland along creek. Comment
  RSA758777&nbs