Search Results — 2000 specimen records retrieved (1599 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA460929  Abronia maritima N. C. Cooper 1942-11-9 888 Orange Balboa Comment
  SD41424  Abronia maritima Edith A. Purer 1932-8-31 4880 Orange Sand dunes along Route 101. Comment
  CAS-BOT-BC229410  Abronia umbellata L. R. Abrams 1917-6-23 6573 Orange Balboa Comment
  RSA700927  Abronia villosa var. aurita Keith E. Hoffmaster 1933-4-5 s.n. Orange Near Newport Comment
Read comments
Aug 27 2011
  UCR169911  Acacia Scott D. White, Jennifer H. Jones 2005-4-26 10972 Orange Laguna Beach area., City of Laguna Beach. 549 Nyes Place. Undeveloped lot within a residential neighborhood. Proposed for new home 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
  SEINET946801  Acacia longifolia R. J. Barr 1964-1 64 -589 Orange Roadside near Capistrano Beach Comment
  CDA1045  Acacia saligna D. G. Kelch 2006-12-9 6 .533 Orange Newport Bay, Back Bay Dr. betweeen marsh and steep bluff. Comment
  IRVC21628  Acer macrophyllum Fred M. Roberts, K. G. Marsh 1984-4-21 1348 Orange Santa Ana Mountains: Lost Women Canyon, 2.4km WSW Bald Peak; 2.3km SE Bedford Peak. Peninsular Ranges 755 Comment
  UC1071624  Acer macrophyllum H. E. Norton 1931-3-20 43 Orange top of Santa Ana Mts. , Corona Quad. 1036 Comment
  RSA773562  Achnatherum coronatum Fred M. Roberts 1999-5-14 5218 Orange Peninsular Ranges; Santa Ana Mts.: Lomas de Santiago, Loma Ridge; Upper Limestone Canyon on slopes above Bolero Spring, 2.4 km NNW Bolero Lookout 451 Comment
  SD218336  Acmispon glaber Mark A. Elvin 2004-5-2 3406 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7 km (air) NNW UC Irvine campus center. 3 Comment
  UCD128507  Acroptilon repens P. B. Kennedy 1925-1 s.n. Orange Santa Ana. Comment
  RSA16343  Adenostoma fasciculatum Percy C. Everett 1935-6-18 7190 Orange Santa Ana Mountains. Main divide motorway to Santiago Peak, 1 mile from Ortega Highway. 732 Comment
  RSA790699  Adenostoma fasciculatum Kenneth Beard 6 Orange Silverado Canyon. Comment
  SD143761  Adenostoma fasciculatum Scott D. White 1997-3-28 4848 Orange Santa Ana Mts., above Modjeska Canyon 424 Comment
  SD247725  Adenostoma fasciculatum R. F. Thorne, C. W. Tilforth, E. W. Lathrop. 1977-4-27 49680 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 456 Comment
  RSA0042819  Adiantum capillus-veneris R. E. Riefner Jr. 2012-2-23 12 -43 Orange city of Laguna Beach, Treasure Island Beach, vicinity of Wesley Drive and South Coast Hwy 1 Comment
  RSA687673  Adiantum capillus-veneris Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  RSA773506  Adiantum jordanii Fred M. Roberts 1999-5-14 5226 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 490 Comment
  IRVC22035  Adiantum jordanii Fred M. Roberts 1983-12-13 1154 Orange Temple Hill, Park Canyon along Park Ave., 1.3km NE Thurston Sch.; 1.7km SE Bench Mark 104, Laguna Beach 194 Comment
  CAS-BOT-BC295625  Agnorhiza ovata P. C. Everett 1935-6-18 7198 Orange Santa Ana Mts., Main Divide Motorway, Los Pinos Potrero 914 Comment
  JEPS32110  Agnorhiza ovata P. C. Everett 1935-6-18 Orange Los Pinos Potrero, main divide motorway Santa Ana Mts. 914 Comment
  CAS-BOT-BC13326  Agoseris retrorsa L. R. Abrams 1901-6-15 1845 Orange Santiago Peak Comment
  UCR219855  Agrostis pallens Fred M. Roberts 2008-6-3 7029 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, East Fork Rattlesnake Canyon, c. 2.6 km NE Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak 225 Comment
  UCR193381  Agrostis viridis A. C. Sanders, T. B. Salvato 2008-5-13 35388 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
  RSA698217  Allionia Kenneth Beard s.n. Orange Santa Ana riverbank Comment
  UCR132990  Allium haematochiton Adrian Wolf 2000-5-4 466 Orange Santa Ana Mtns., North Ranch Policy Plan Area, ridgeline between upper Gypsum and Fremont Canyon, Main Divide Road, overlooking upper Fremont Cyn. 726 Comment
  RSA0063248  Allium marvinii Gordon Marsh, Karlin G. Marsh 1978-5-13 s.n. Orange Santa Ana Mountains: Coal Canyon; Ridge along Main Divide Road, S portion of acreage. 732 Comment
  RSA798606  Allium monticola var. keckii Robert F. Thorne, E. W. Lathrop 1977-5-18 49744 Orange Santa Ana Mountains: summit of Santiago Peak 1733 Comment
  RSA450852  Allium praecox Gordon Marsh 1978-3-17 s.n. Orange U.C. Irvine Ecological Preserve. 85 Comment
  UCR280725  Allium praecox Mitch Provance, Jeremiah George 2017-3-20 317- 01 Orange West Coyote Hills, Fullerton, west side of Gilbert Street on land previously occupied by oil fields. 138 Comment
  UCR5206  Allium praecox Barbara T. Gittins, O. F. Clarke 1966-3-19 902 A Orange Pacific slope, Irvine Ranch, east of University of California Irvine campus, Newport Beach 91 Comment
  RSA548870  Allium praecox Fred M. Roberts 1987-4-3 3342 Orange Irvine: San Joaquin Hills, Central Shadey Canyon, 2.8 kilometers NE Signal Hill. 103 Comment
  RSA539355  Allophyllum glutinosum Fred M. Roberts, Carol A. Roberts 1988-6-9 4085 Orange Santa Ana Mountains: Modjeska Peak, 0.9km SW summit. 1542 Comment
  RSA588705  Allophyllum glutinosum Fred M. Roberts, Carol A. Roberts 1990-5-23 4646 Orange Santa Ana Mtns.: West Fork, Upper Long Canyon, near Main Divide Truck Trail, 4.5 km SE Los Pinos Peak. 756 Comment
  RSA7475  Allophyllum glutinosum C. B. Wolf 1933-8-24 5399 Orange Summit of Santiago Peak, Santa Ana Mountains 1731 Comment
  SEINET6058725  Allophyllum glutinosum E. W. Lathrop 1974-6-27 7418 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon. Cleveland National Forest. Comment
  UC718489  Allophyllum glutinosum Carl B. Wolf 1933-8-24 5399 Orange summit Santiago Peak; Santa Ana Mts. 1731 Comment
  UCD169758  Allophyllum glutinosum R. F. Thorne; E. W. Lathrop, W. 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. 290 Comment
  SD152789  Allophyllum glutinosum Steve Boyd, Tim Ross 1992-5-20 7452 Orange San Mateo Canyon Wilderness Area; western edge of the wilderness in Lucas Canyon along a new secdtion of trail heading up major side canyon northwart to Sitton Peak Road. 29 Comment
  IRVC26717  Aloe striata Mark A. Elvin, J. Liou, J. Carpenter, J. Nguyen 2004-3-8 3183 Orange UCI Arboretum Southern Coastal 15 Comment
  UCR152756  Alopecurus saccatus D. E. Bramlet 2003-6-8 3462 Orange South Coast, Fairview Park in Costa Mesa, 152 m west of Canyon School and 396 m NW of intersection of Wilson & Canyon Dr. 24 Comment
  UCR197685  Amaranthus A. C. Sanders, Fred M. Roberts 2008-9-18 36063 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  RSA234474  Amaranthus albus James Henrickson 1970-7-24 4975 Orange 1.5 miles NW of Huntington Beach along NW facing base of Huntington Beach Mesa bordering Bolsa Chica Salt Marsh. 3 Comment
  JEPS54301  Amaranthus blitoides Lawrence M. Booth 1932-5-12 1030 Orange Newport Bay Comment
  UCSB48240  Amaranthus blitoides Roberts, Fred 1981-7-21 Orange Rancho Mission Viejo; Calif. Rte. 74, 9.2 km. ENE San Juan Capistrano 100 Comment
  UCD130604  Amaranthus blitoides Beecher Crampton 1972-6-15 8812 Orange Irvine area, UC South Coast Field Station. Comment
  UCR280801  Amaranthus hybridus David Yu 2017-5-21 027 Orange South Coast, Irvine, Turtle Rock Trail, behind Chaparral Park, along a stairway leading to a rocky hillside, 1 mile west of 6507 Turtle Rock Drive Comment
  UCR111749  Amaranthus retroflexus G. S. Nuessly 1980-11-27 s.n. Orange South Coast, south side of East Santiago Canyon Road, 0.25 mi north [west] of North Windes Drive 137 Comment
  RSA416883  Amblyopappus pusillus L. C. Wheeler 1932-6-25 859 Orange Newport Bay. 1 Comment
  RSA699676  Ambrosia acanthicarpa Keith E. Hoffmaster 1934-1 s.n. Orange Near Santa Ana. Comment
  SD234274  Ambrosia acanthicarpa T. B. Salvato, K. Kurtz 2006-10-15 1916 Orange South Coast: Irvine, San Diego Creek flood control channel, near Michelson Drive and Harvard Avenue. 6 Comment
  RSA783366  Ambrosia acanthicarpa J. D. Olmsted 1959-9-22 979 Orange Along Santa Ana River N of Sycamore Park along Hwy. 8-9mile WSW of Corona north of Hwy. 134 Comment
  HSC5659  Ambrosia chamissonis J. W. Johnson 1960-8-18 Orange Newport Beach, beside Newport bay, near Hwy. 101 Comment
  IRVC29760  Ambrosia chamissonis Barry S. Nerhus, Mark A. Elvin 2006-11-4 13 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal 0 Comment
  JEPS20090  Ambrosia chamissonis Peter H. Raven 1957-9-28 11370 Orange north limits of Surfside Comment
  JEPS40940  Ambrosia chamissonis L. M. Booth 1932-7-30 1336 Orange Balboa Island Comment
  UC450974  Ambrosia chamissonis F. A. MacF. 1931-3-1 87 E Orange Laguna Beach Comment
  UCSB48034  Ambrosia chamissonis Roberts, Fred 1981-9-26 Orange Huntington Beach; Calif. Rte. 1, near mouth of Santa Ana River, 0.1 km. N jct. Brookhurst Ave.; 0.1 km. SW Bench Mark 7 2 Comment
  POM318608  Ambrosia chamissonis var. chamissonis Patricia Wilder 1972-6-27 5390 Orange Along strand of Capistrano Beach 3 Comment
  RSA696740  Ambrosia chamissonis var. chamissonis R. H. McArthur 1934-4-7 s.n. Orange Near outlet of Santa Ana River. Comment
  RSA696744  Ambrosia psilostachya Anonymous 1934-09 s.n. Orange [Unspecified] Comment
  CAS-BOT-BC45065  Ambrosia psilostachya Carl B. Wolf 1932-7-7 3841 Orange Bryant Ranch, Bixby Ave, south edge of field 2/10 mi W of Hansen Rd 152 Comment
  UCR267219  Ammannia coccinea Fred M. Roberts, Sandra L. Leatherman 2008-9-3 7083 Orange Santa Ana River Canyon, YORBA LINDA: Santa Ana River, 0.7 km W Gypsum Canyon bridge, south of La Palma Ave. 107 Comment
  UC217856  Ammannia robusta P. A. Munz 1922-9-2 6353 Orange Laguna Canyon 45 Comment
  IRVC8871  Ammi majus Charles W. Sexton 1963-7-15 s.n. Orange Costa Mesa. Southern Coastal Comment
  RSA603352  Amorpha fruticosa Scott D. White, Brian Leatherman 1997-6-12 5329 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
  HSC3522  Amsinckia intermedia J. W. Johnson 1961-3-29 Orange Newport Beach, N slope overlooking upper Newport Bay Comment
  UCR191417  Amsinckia intermedia A. C. Sanders, Fred M. Roberts 2008-4-8 34755 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Loma Ridge Spur Rd., above Dripping Springs Loop Rd. 457 Comment
  UCR222382  Amsinckia intermedia Mark A. Elvin 2003-1-26 2236 Orange South Coast, Irvine, UC Irvine Open Space Preserve, NE side, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  RSA0089444  Amsinckia intermedia P. A. Munz 1934-3-26 13132 Orange Newport Beach. 15 Comment
  UCD119275  Amsinckia intermedia Francia Chisaki 1957-4-3 925 a Orange On Highway 101, ca. 3 miles S of Irvine. Comment
  UCD119276  Amsinckia intermedia Francia Chisaki 1957-4-3 926 Orange 6 miles S of Irvine, just S of El Toro near top of hill on Highway 101. Comment
  JEPS43116  Anagallis arvensis Lawrence M. Booth 1932-6-28 1216 Orange Bolsas Creek Comment
  UCR4089  Anagallis arvensis Carole Sims 1965-3-28 s.n. Orange South Coastal Plains, Salt Creek Road off Pacific Coast Highway, between South Laguna and Dana Point 18 Comment
  RSA649080  Anagallis arvensis Karl Price 1988-5-21 58 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
  RSA450866  Andropogon glomeratus Gordon Marsh, Karlin G. Marsh 1978-10-11 s.n. Orange Santa Ana Mountains: San Juan Hot Springs. Comment
  CAS-BOT-BC400329  Anemopsis californica Herbert L. Mason 1926-4-25 2902 Orange Near Laguna Comment
  UCD137875  Anemopsis californica E. Frost 1996-5-11 12 Orange Newport Back Bay, 150 yards in along bike path. 7 Comment
  CDA6811  Anthemis cotula Robert L. Pope 1957-6-21 Orange Moulton Ranch. 0 Comment
  IRVC17996  Anthemis cotula A. B. McGee 1970-9-9 Orange San Diego Creek Channel adjacent to San Joaquin Freshwater Marsh. Irvine Comment
  RSA17218  Antirrhinum coulterianum Carl B. Wolf 1936-6-22 s.n. Orange Santa Ana Mtns, 3 miles above FS gate IN Santiago Canyon, along truck trail to Modjeska Peak. 762 Comment
  RSA734596  Antirrhinum coulterianum A. C. Sanders, Fred M. Roberts 2008-5-6 35225 Orange Lomas de Santiago, lower Hicks Canyon, just above tollway (Hwy 241) crossing on Irvine Haul Rd., near debris basin. 216 Comment
  RSA425786  Antirrhinum coulterianum Francis W. Pennell, C. Epling 1940-4-21 s.n. Orange 5 miles east of San Luis Capistrano Comment
  RSA698987  Antirrhinum majus Snow 1929-03 s.n. Orange Santa Ana. Comment
  RSA737890  Antirrhinum multiflorum R. E. Riefner 2008-5-15 09 -83 Orange Irvine Ranch Reseve, N Irvine Ranch, E Fork cliffs at upper Fremont Canyon along Black Star SCE road. 610 Comment
  UC1929691  Antirrhinum multiflorum R. E. Riefner Jr. 2008-6-3 08 -139 Orange Irvine Ranch Reserve, North Irvine Ranch, East Fork cliffs at upper Fremont Canyon along Black Star SCE Rd. Comment
  UCR91395  Antirrhinum nuttallianum Scott D. White 1995-3-9 2541 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Lower San Juan Picnic Area, just north of Hwy 74 396 Comment
  POM4240  Antirrhinum nuttallianum subsp. nuttallianum I. M. Johnston 1918-5-4 1888 Orange Back of Laguna Beach, moist shaded hillside 61 Comment
  UC1280323  Antirrhinum nuttallianum subsp. nuttallianum John M. Tucker 1941-5-30 260 Orange 2-3 mi e western boundary of Cleveland National Forest (at roadside on Ortega Highway) 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
  UC494727  Aphanisma blitoides Philip A. Munz 1932-3-29 12192 Orange base of sea-cliffs Costa Mesa Comment
Read comments
Dec 4 2014
  RSA542442  Apiastrum angustifolium Fred M. Roberts 1988-4-10 3920 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout. 415 Comment
  UCR192992  Apium graveolens A. C. Sanders, Fred M. Roberts 2008-6-17 35469 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 260 Comment
  RSA629335  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15527 Orange North of El Cariso on road to Los Pinos Pk, 3.8 km north of Hwy 74. 1000 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
  UCR273489  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42605 Orange Peninsular Range; Santa Ana Mountains, North Main Divide Road (Forest Rte 3S04) between Hwy 74 and Los Pinos Spring, 1.7 km NW (312 deg. ) of El Cariso Fire Station 959 Comment
  CAS-BOT-BC23110  Arctostaphylos glandulosa subsp. glandulosa P. C. Everett 1935-6-19 7232 Orange Santa Ana Mrs., Main divide Motorway, 7 mi. from summit of Santiago Peak. 1280 Comment
  POM367266  Arctostaphylos glandulosa subsp. glandulosa E. Crow 1929-2-22 165 Orange Gypsum Canyon, near corona, Santa Ana Mts. Comment
  RSA626921  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15506 Orange Hotshot Camp, north of Ortega Highway (Highway 74). 900 Comment
  RSA629328  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15511 Orange Rd. 6S06, 1km northeast of Blue Jay Campground, north of El Cariso (Hwy 74) 1050 Comment
  RSA629332  Arctostaphylos glandulosa subsp. glandulosa C. J. Fotheringham, Jon E. Keeley 1996-6-24 27643 Orange Ca. 3 km west of Sierra Peak. 700 Comment
  RSA629339  Arctostaphylos glandulosa subsp. glandulosa C. J. Fotheringham, Jon E. Keeley 1996-6-24 27642 Orange Ca. 3 km west of Sierra Peak. 700 Comment
  UC1120218  Arctostaphylos glandulosa subsp. zacaensis A. Lewis May 1934 415 Orange Trabuco Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  RSA659895  Arenaria douglasii Karl Price 1988-5-21 47 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. 304 Comment
  RSA0013972  Argemone munita Fred M. Roberts 2008-5-20 6992 Orange Lomas de Santiago: Santiago Creek wash north of Hanging Man's Tree Road near confluence of Pancho Cyn., 1.6 km NW Bolero Lookout. Irvine Ranch Conservancy. 349 Comment
  RSA105977  Argemone munita subsp. robusta Gerald B. Ownbey, Findley Ownbey 1954-7-2 2177 Orange Between Modjeska Peak and Santiago Peak 1524 Comment
  RSA716656  Argyranthemum frutescens Fred M. Roberts 2005-5-13 6184 Orange San Juan Capistrano; Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  UC111237  Artemisia biennis Theodore W. Minthorn 1907-8-18 7 Orange Laguna Comment
  UC537020  Artemisia biennis Lawrence M. Booth 1932-7-4 1250 Orange Newport Lagoon Comment
  CDA23141  Artemisia californica R. E. Riefner Jr. 2006-8-25 06 -410 Orange City of Dana Point, Salt Creek Beach Park, vicinity of Dana Strand Road and Selva Road. Comment
  IRVC484  Artemisia californica A. S. Boughey 156 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  IRVC9384  Artemisia californica B. Gittins 1963-3-8 22 Orange east shore. Newport Beach Comment
  RSA0044743  Artemisia californica Fred M. Roberts, Arthur Davenport 2003-9-11 6018 Orange Rancho Mission Viego: Donna O'Neill Land Conservancy, Cristianitos Cyn., 85m SSW Sycamore Gate, 35m W of Cristianitos Road. 119 Comment
  RSA719416  Artemisia californica Fred M. Roberts, Lee Ann Caranza 2006-10-25 6453 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  SEINET227962  Artemisia californica Leila M. Shultz 1980-5-2 4040 Orange Orange County: foothills south of Diamond Bar, Chaparral. 213 Comment
  UCD129219  Artemisia californica J. C. Elmore 1929-9-26 2167 Orange San Juan Capistrano. Comment
  UCD129226  Artemisia californica 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
  UCR186679  Artemisia californica T. B. Salvato, Katie Kurtz 2006-10-15 1912 Orange South Coast, Irvine, San Diego Creek flood control channel, near Michelson Drive and Harvard Avenue 6 Comment
  UCR222875  Artemisia californica T. B. Salvato 2010-10-27 5137 Orange South Coast, Dana Point Headlands, Hilltop Park, north of Scenic Dr. and west of Green Lantern St., overlooking Dana Point Harbor 84 Comment
  UCSB52400  Artemisia californica Roberts, Fred 1982-9-15 Orange Santa Ana Mtns.; San Juan Trail, 1.1 km. SE Blue Jay Campground; 2.5 km. SSE Los Pinos Peak 997 Comment
Read comments
Jan 25 2020
  RSA0062670  Artemisia californica Norman Willis 1948-2-8 s.n. Orange In foothills about 8 miles east of Orange. 304 Comment
  RSA734898  Artemisia douglasiana A. C. Sanders, Fred M. Roberts 2008-6-17 35461 Orange Lomas de Santiago, Hicks Canyon Haul Road 0.5 mi. east of the Foothill Transportation Corridor 244 Comment
  RSA731954  Artemisia dracunculoides Fred M. Roberts 2007-12-12 6704 Orange Santa Ana Canyon: Santa Ana River, south of Green River Golf course on south side of river, 0.4km E Coal Cyn. Rd. and 0.7km W Riverside Co. line. 129 Comment
  CHSC35807  Artemisia dracunculus James Henrickson 1973-10-21 8052 Orange Eastern Anaheim, 2 blocks E of Imperial Hwy along La Palma Ave., just N of Santa Ana River. 60 Comment
  RSA417326  Artemisia dracunculus F. R. Fosberg 1931-6-21 S 5089 Orange Lower Santiago Canyon. Comment
  IRVC408  Arthrocnemum subterminale J. B. Anderson 1966-4-16 589 Orange Newport Beach; Corona del Mar; Buck Gully; "Little Corona Beach"; moist canyon bottom with small brooklet near stream. Southern Coastal 0 Comment
  RSA478872  Arthrocnemum subterminale F. R. Fosberg 1931-8-19 7283 Orange Newport Bay. 0 Comment
  RSA12377  Arundo donax C. B. Wolf, E. R. Johnson 1934-3-21 5579 Orange Santa Ana River, Santa Ana Canyon, 1/2 mi. S.W. of Mexican Houses, Rancho Santa Ana. 122 Comment
  UCR179772  Asclepias curassavica R. E. Riefner Jr. 2005-10-27 05- 727 Orange South Coast, Huntington Beach, Huntington Central Park near Goldenwest St. 1 Comment
  IRVC14869  Asclepias eriocarpa Gordon A. Marsh, Karlin G. Marsh 1976-7-8 s.n. Orange 0.1km W Casper's Park in fire break; periphery of live oak woodland. Rancho Mission Viejo Comment
  IRVC19386  Asclepias fascicularis R. L. Allen 1978-8-27 s.n. Orange Laguna Canyon; disturbed area, roadside. San Joaquin Hills? Comment
  IRVC19697  Asclepias fascicularis Karlin G. Marsh 1983-5-25 s.n. Orange Sycamore Hills, Laguna Canyon; freshwater marsh between Laguna Canyon laterals 6 & 7. Laguna Beach Comment
  UC729854  Asclepias fascicularis Carl B. Wolf 1932-7-7 3853 Orange about 1 mi e Los Alamitos Blvd. (Bixby Ave., Bryant Ranch, 100 ft. w of se corner of NE40 of NW160 of Sect.32) Comment
  UCR233746  Asclepias fascicularis Fred M. Roberts 2008-6-12 7041 Orange Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd. 251 Comment
  UCSB48222  Asclepias fascicularis Roberts, Fred 1981-6-22 Orange Calif. Rte. 74; 5.2 km. ENE San Juan Capistrano by road 100 Comment
  RSA0042763  Asparagus officinalis Keith E. Hoffmaster 1926-12-18 247 Orange Santa Ana. Comment
  UCR149413  Asphodelus fistulosus Fred M. Roberts 2000-6-5 5337 Orange Chino Hills, Yorba Linda, along Hidden Hills Dr. near Sunbeam Lane, on ridge above Box Canyon 376 Comment
  UCSB47614  Aspidotis californica Roberts, Fred 1980-5-3 Orange Santa Ana Mtns., San Juan Canyon near mouth of Viejo Canyon; below Rte. 74, 2.5km by road ENE San Juan Guard Station; 0.5km WSW Bm 1100 335 Comment
  IRVC181  Asplenium bulbiferum Janet Morgan 1965-3-25 HS0563 Orange Newport Beach: Beacon Bay. Southern Coastal Comment
  RSA93824  Aster hesperius F. W. Peirson 1924-10-19 5241 Orange Wintersberg Comment
  POM202111  Aster subulatus var. ligulatus L. M. Booth 1932-8-5 1356 Orange Bolsas Marsh. Comment
  RSA700047  Astragalus didymocarpus Minor Warne 1934-3-10 s.n. Orange Wash between El Toro and Culvers corner Comment
  LA204927  Astragalus didymocarpus var. didymocarpus C. L. Hogue; 1954-4-10 sn Orange Irvine Ranch behind Corona Del Mar 60 Comment
  UCR192500  Astragalus gambelianus A. C. Sanders, Fred M. Roberts 2008-3-25 34547 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA264438  Astragalus trichopodus var. lonchus C. W. Tilforth 1976-11-12 1239 Orange Slopes of Rancho Santa Ana above Horseshoe Bend of the Santa Ana River, SE of Yorba Linda. 152 Comment
  RSA2991  Astragalus trichopodus var. lonchus C. B. Wolf 1931-3-3 s.n Orange Botany garden. (RSA?) Comment
  RSA588770  Athysanus pusillus Fred M. Roberts, Carol A. Roberts, Dave Bramlet 1990-5-6 4594 Orange Santa Ana Mnts.: Chiquito Basin, San Juan Trail, c.a. 2.5 km SSE Los Pinos Peak. 915 Comment
  UC1980248  Atriplex R. E. Riefner Jr. 2006-10-2 06 -466 Orange City of Lake Forest, N of Portola Pkwy. and immediately W of SR-241 freeway at avocado orchard; vicinity of Tomato Spring. Comment
  RSA5821  Atriplex C. B. Wolf 1932-6-28 s.n. Orange 25 ft. west and 600 ft. north of SE corner of SE 1/4 sect 29. 9 Comment
  RSA737475  Atriplex R. E. Riefner 2008-3-24 8 -67 Orange City of Seal Beach, Bolsa Chica Salt Marsh, Warner Ave. at Pacific Coast Highway. 5 Comment
  RSA737849  Atriplex R. E. Riefner 2006-10-19 06 -546 Orange City of Lake Forest, 0.5 mile N of Alton Pwy on E side of SR 241. 230 Comment
  RSA743664  Atriplex R. E. Riefner 2006-8-6 6 -382 Orange City of Newport Beach, Newport Bay, Big Canyon Creek drainage near Back Bay Dr. 9 Comment
  SBBG122002  Atriplex amnicola R. E. Riefner 2006-2-12 06 -21 Orange Interstate 5, immediately S of Camino de Estrella exit ramp, N end of San Clemente 66 Comment
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Dec 13 2012
  UC1930115  Atriplex amnicola R. E. Riefner Jr. 2008-5-25 08 -118 Orange City of San Clemente, vicinity of Camino de Los Mares and Calle Nuevo. Comment
  UC7076  Atriplex argentea var. mohavensis O. B. Byram 1901-9-10 Orange Westminster Comment
  RSA452401  Atriplex californica Fay A. MacFadden 1931-3-1 2927 Orange Laguna Beach. Comment
  RSA65352  Atriplex californica F. W. Peirson 1924-2-10 4534 Orange Corona Del Mar 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
  RSA452454  Atriplex canescens E. A. Purer 1932-8-31 s.n. Orange Near Route 101 Comment
  RSA624453  Atriplex canescens L. C. Wheeler 1933-10-21 2221 Orange Newport Bay. 3 Comment
  SD40182  Atriplex canescens Edith A. Purer 1932-8-31 4869 Orange Near Route 101. Comment
  UC520302  Atriplex canescens Joseph Andorfer Ewan 1932-7-28 7707 Orange seaward bluffs at Corona del Mar; seaward bluffs at Corona del Mar Comment
  UCR221462  Atriplex canescens Dick Newell, Don Millar, Steve Shinn 2010-9-28 37 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Hicks Haul Road (Jeffrey Rd.) at Hwy 241 toll road 221 Comment
  CAS-BOT-BC170194  Atriplex canescens subsp. canescens John Thomas Howell 1927-7-29 2874 Orange In hills on n. side of Santa Ana Canyon. 152 Comment
  IRVC24454  Atriplex canescens subsp. canescens Fred M. Roberts 1985-11-20 2560 Orange Newport Back Bay, near Camp Survey Mark, Newport Beach 2 Comment
  IRVC25344  Atriplex canescens subsp. canescens Helen Camp 1988-12-7 12 Orange Aliso Canyon, 2.6km NNE Aliso Peak, Aliso-Wood Canyon Regional Park 37 Comment
  CAS-BOT-BC172633  Atriplex coulteri Louis C. Wheeler 1934-1-14 2363 Orange Aliso Creek near Laguna 76 Comment
  RSA580939  Atriplex coulteri D. E. Bramlet 1994-4-30 2377 Orange San Joaquin Hills. At the head of Bommer canyn, approximatly 30m. NE of the rideline truck trail, near peak 1033. 296 Comment
  RSA598021  Atriplex coulteri D. E. Bramlet 1994-2-3 2363 Orange San Joaquin Hills. At the head of Bommer canyon, approximatly 30m. NE of the rideline truck trail, near peak 1033. 296 Comment
  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
  SD236264  Atriplex glauca D. Bramlet 1994-2-27 2365 Orange Newport Beach 7.5 Quad. Roadside area, some 120 meters east of intersection of Irvine Ave and University Drive, approximately 1 meter south of University Drive. 14 Comment
  RSA743559  Atriplex glauca R. E. Riefner 2002-5-4 2 -88 Orange City of Newport Beach, Upper Newport Bay, general vicinity of Bayview Wy. and Bayview Pl. 7 Comment
  RSA743660  Atriplex glauca R. E. Riefner 2007-1-22 7 -20 Orange City of San Juan Capistrano, San Juan Creek at Hwy. 74. 56 Comment
  RSA743661  Atriplex glauca R. E. Riefner 2006-6-20 6 -253 Orange City of Rancho Santa Margarita, W side of SR-241 near Los Alisos Blvd. 292 Comment
  RSA708449  Atriplex lentiformis Mark Elvin 2004-5-2 3423 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
  UCR46556  Atriplex lentiformis B. G. Pitzer, D. C. Hawks 1986-10-21 0354 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, c. 10 mi. east of Santa Ana, along Jeffrey Road in Hicks Canyon, c. 1.5 mi. north of the South Coast Gun Club 274 Comment
  RSA0028771  Atriplex lentiformis subsp. lentiformis Fred M. Roberts 2009-4-21 7112 Orange Dana Point Headlands: southern cliffs, 0.7 km W Marine Institute at Dana Point Harbor. CNLM Dana Point Preserve. 3 Comment
  POM201918  Atriplex leucophylla L. M. Booth 1932-8-5 s.n. Orange West Newport Beach Comment
  CAS-BOT-BC180907  Atriplex pacifica John Thomas Howell 1927-7-17 2788 Orange One mile north 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
  RSA599642  Atriplex polycarpa Fred M. Roberts, M. B. Woulfe 1996-8-13 4971 Orange Yorba Linda: Chino Hills, Shell Oil Property, 3.0 km SW Gilman Peak. 201 Comment
  RSA251  Atriplex prostrata J. T. Howell 1927-10-29 s.n. Orange Bryant Ranch, near Long Beach. 15 Comment
  RSA696212  Atriplex rosea Keith E. Hoffmaster 1934-5-31 s.n. Orange Santa Ana. Comment
  RSA743498  Atriplex semibaccata Fred M. Roberts 2008-7-10 7070 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  UCR46567  Atriplex semibaccata B. G. Pitzer, D. C. Hawks 1986-10-21 0344 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
  RSA18529  Atriplex semibaccata C. B. Wolf 1927-7-23 668 Orange Along the coast just north of San Clemente. Comment
  RSA74876  Atriplex semibaccata Elroy Robinson 1935-6-26 s.n. Orange Along Santa Fe Railway, El Toro, south of Los Angeles. Comment
  RSA254  Atriplex serenana J. T. Howell 1927-6-30 235 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA452383  Atriplex serenana var. davidsonii L. C. Wheeler 1934-1-14 2363 Orange Aliso Creek near Laguna. 76 Comment
  UC206816 Image available Atriplex serenana var. davidsonii A. Davidson, M. D. Sep 1913 2951 Orange Balboa; ; Balbra Comment
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Feb 22 2012
  UCR158033  Atriplex suberecta Adrian Wolf 1998-7-1 408 Orange South Coast, Peters Canyon Channel, east of channel near Harvard Ballfield, between Harvard Ave. & creek, south of Warner Ave. to Barranca 15 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
  RSA411865  Atriplex truncata Gertrude Dunn 1930-8-9 s.n. Orange Vacant lot 1/2 mi. east of Huntington Beach. Comment
  CHSC104028  Atriplex watsonii Valerie Soza; K. Clark, L. Gross, W. Miller, F. Roberts, G. 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
  RSA453975  Atriplex watsonii F. R. Fosberg 1931-8-19 7285 Orange Newport Bay. 0 Comment
  UCR192481  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
  CAS-BOT-BC66214  Azolla filiculoides John Thomas Howell 1927-7-6 2663 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  IRVC29764  Baccharis douglasii Barry S. Nerhus, Mark A. Elvin 2006-11-4 4 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal 0 Comment
  IRVC7609  Baccharis douglasii Charles W. Sexton 1972-7-17 Orange Bolsa Chica salt marsh southern coastal 0 Comment
  POM201738  Baccharis douglasii L. M. Booth 1932-6-28 1222 Orange Bolsas Marsh. Comment
  RSA93210  Baccharis douglasii F. W. Peirson 1924-8-29 5092 Orange 3 miles N of Huntington Beach Comment
  RSA232226  Baccharis emoryi James Henrickson 1970-10-3 5361 Orange 2 miles NW of Huntington Beach, common along raised roadsides in southern open portion of Bolsa Chica Salt Marsh. 0 Comment
  RSA663210  Baccharis emoryi R. E. Riefner 2000-3-26 20 -153 Orange NCCP North Ranch Policy Plan Area. Fremont Canyon: N. of major stream fork along W. channel drainage 335 Comment
  RSA741700  Baccharis malibuensis R. E. Riefner Jr. 2008-7-17 08 -241 Orange Santa Ana Mts., Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, Black Star SCE Rd. 600 Comment
  RSA741701  Baccharis malibuensis R. E. Riefner Jr. 2008-7-2 08 -181 Orange Santa Ana Mts., Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, Black Star SCE Rd. 660 Comment
  RSA793263  Baccharis pilularis R. F. Thorne 1984-1 s.n. Orange Newport Back Bay. Comment
  UCR207595  Baccharis pilularis O. F. Clarke, Roger E. Reinke 2004-11-14 s.n. Orange South Coast, Newport Back Bay 3 Comment
  UCR209677  Baccharis pilularis A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37204 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, along SW side of Santiago Canyon Rd. near south edge of Irvine Lake 252 Comment
  RSA0058057  Baccharis pilularis Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49606 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Comment
  IRVC517  Baccharis pilularis subsp. consanguinea A. S. Boughey 163 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  LA203035  Baccharis pilularis subsp. consanguinea C. B. Wolf; 1934-12-26 6262 Orange S-end of town of San Clemente 15 Comment
  UCR222861  Baccharis pilularis subsp. consanguinea T. B. Salvato 2010-10-27 5131 Orange South Coast, Dana Point Headlands, Hilltop Park, north of Scenic Dr. and west of Green Lantern St., overlooking Dana Point Harbor 84 Comment
  POM350368  Baccharis salicifolia Robert W. Townsend 1939-12-28 162 Orange Roadside, on Hwy W of Atwood 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
  RSA587883  Baccharis salicifolia Fred M. Roberts 1990-5-8 4616 Orange Soquel Canyon, 1.2km NNW Gilman Peak 240 Comment
  UCR207540  Baccharis salicina O. F. Clarke, Roger E. Reinke 2004-11-14 s.n. Orange South Coast, Newport Back Bay 3 Comment
  RSA696792  Baccharis viminea R. H. McArthur 1934-2-3 s.n. Orange Roadside beyond El Modena Hills. Drainge Wash. Comment
  RSA699555  Baccharis viminea Minor Warne 1934-02 s.n. Orange Santa Ana Mountains Comment
  CAS-BOT-BC443960  Bacopa monnieri R. E. Riefner, Jr. 2012-7-1 12 -295 Orange City of Mission Viejo, Oso Creek, ca. 1.3 mi N of Paseo De Colinas Ave. on Camino Capistrano Ave. 87 Comment
  CAS-BOT-BC334499  Bahiopsis laciniata R. E. Riefner, Jr. 2013-4-5 13 -56 Orange Anaheim Hills, vicinity Hidden Canyon Rd. at Avenue De Santiago 305 Comment
  RSA113260  Barbarea orthoceras E. K. Balls 1955-4-4 20427 Orange 2.7 miles SW from Orange Riverside county line, along Hwy 74, San Juan Capistrano to Elsinore. 305 Comment
  RSA113261  Barbarea orthoceras E. K. Balls 1955-4-4 20427 Orange 2.7 miles SW from Orange Riverside county line, along Hwy 74, San Juan Capistrano to Elsinore. 305 Comment
  RSA798094  Barbarea orthoceras R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49590 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  SD233267  Barbarea orthoceras R. F. Thorne, E. W. Lathrop, G Marshs. 1977-5-4 49818 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  CLARK-A1528-966  Bassia hyssopifolia Patricia A. Andrews 1975-6-26 5909 Orange Capistrano Bay Beach 9 Comment
  JEPS57450  Bassia hyssopifolia L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-7-16 2044 Orange across U.S. Highway 101 from Huntington State Beach (Bolsas Marsh, n of Newport Beach); n of Newport Beach, , Bolsas Marsh Comment
  SBBG47296  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
  SEINET6418583 Image available Batis maritima Lawrence M. Booth 1932-1 1184 Orange Newport Bay Comment
  UCSB21667  Batis maritima Keefe, Joseph 1967-3-26 Orange South side of Newport Bay, on Back Bay Drive, 2.0 miles northeast of junction with Jamboree Drive, Corona del Mar 3 Comment
  POM17841  Bebbia juncea Philip A. Munz 1923-9-7 7771 Orange Mouth of Trabuco Canyon 305 Comment
  RSA734857  Bebbia juncea A. C. Sanders, Mitch Provance 2008-5-20 35404 Orange Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 345 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
  UC284232  Bebbia juncea var. aspera P. A. Munz 1923-7-8 7326 Orange Santa Ana River Canon Comment
  UC68874  Bebbia juncea var. aspera H. M. Hall 1905-7-1 6729 Orange Santa Ana River 137 Comment
  RSA234518  Beta vulgaris James Henrickson 1970-7-25 5082 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
  RSA696876  Bidens laevis J. Russell Bruff 1930-10 s.n. Orange Santa Ana River, 1st Street. Comment
  IRVC19421  Bidens pilosa R. L. Allen 1983-2-12 A630 Orange Fullerton; Hillcrest Park, slope bordering E Valley View Drive. Southern Coastal Comment
  RSA696879  Bidens pilosa Anonymous s.n. Orange Santa Ana. Comment
  IRVC26521  Bloomeria crocea Mark A. Elvin 2004-5-22 3449 Orange UCI Arboretum Southern Coastal 15 Comment
  UCD139090  Bloomeria crocea Earl Brown; Tracy Brown 1993-5-2 s.n. Orange San Clemente State Beach, located about 200' SW of main entrance. 60 Comment
  SBBG18501  Bloomeria crocea var. crocea E. B. Carlton 1962-6-24 9 Orange rd from Hidden Valley Rd to Temple Hills Rd, Laguna Beach 182 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
  CAS-BOT-BC31012  Bolboschoenus maritimus John Thomas Howell 1957-9-28 11378 Orange Salt marshes, north limits of Surfside. Comment
  CAS-BOT-BC31013  Bolboschoenus maritimus LeRoy Abrams 1901-6-12 1764 Orange Salt Marsh west of Westminster. Comment
  CAS-BOT-BC31014  Bolboschoenus maritimus P. A. Munz 1918-5-4 2226 Orange Laguna Lakes, edge of pond. Comment
  UCSB36205  Bolboschoenus maritimus Ferren, Wayne; Whitmore, S. 1980-8-27 Orange Along tidal ditch, in salt marsh of Newport Backbay; just W of Backbay Drive; ca. 3 km. NE of Rt. 1, Newport Beach 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
  UCR102034  Bolboschoenus maritimus subsp. paludosus B. G. Pitzer 1997-4-15 3137 Orange San Joaquin Hills, Crystal Cove State Park, north of the N end of the City of Laguna Beach. Along Moro Canyon Trail, from beginning to a point c. 1.75 mi. up the canyon. 49 Comment
  UCR85532  Bolboschoenus maritimus subsp. paludosus Scott D. White 1993-4-28 1289 Orange Pacific slope, Tustin Marine Corps Air Station, NW of Peters Canyon Channel, between Moffett Dr. & Warner Comment
  UCSB56502  Bothriochloa barbinodis Marsh, G.; Marsh, K. 1977-11-21 Orange Santa Ana Mtns, San Juan Hot Springs Comment
  UCR218460  Bougainvillea glabra Robert DeRuff 2008-1 348 Orange South Coast, Upper Newport Bay, between Mariner's Drive and 23rd St. 12 Comment
  IRVC18518  Bowlesia incana A. B. McGee 1981-3-27 Orange UCI Ecological Preserve. Irvine Comment
  UCR222385  Bowlesia incana Mark A. Elvin 2003-1-26 2246 Orange South Coast, Irvine, UC Irvine Open Space Preserve, NE side, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  SEINET3156098  Bowlesia septentrionalis E. K. Balls 1950-3-7 14446 Orange Administration Grounds of Rancho Santa Ana Botanic Garden Comment
  UCR140793  Brachypodium distachyon Robin G. Marushia 2004-5-4 024 Orange Southern Coast, Crystal Cove State Park, interior of El Moro Canyon, east side of canyon, utility pole turnout above riparian area crossing 183 Comment
  UCR193931  Brassica geniculata A. C. Sanders, Fred M. Roberts 2008-7-16 35863 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hangmans Tree Canyon 379 Comment
  UCR228806  Brassica geniculata Dick Newell, Don Millar 2011-5-10 149 Orange Peninsular Range; Santa Ana Mtns., along MWD service road between Outdoor Education Center and Fremont Canyon, 0.2 mi. above Peters Cyn. Rd. 193 Comment
  CLARK-A1528-982  Brassica nigra Patricia A. Andrews 1975-6-26 5915 Orange Capistrano Bay Beach 9 Comment
  IRVC1047  Brassica nigra S. Gilbert 1965-4-13 Orange 2472 Elden. Costa Mesa Comment
  IRVC20787  Brassica nigra Fred M. Roberts, S. L. Fritzke 1982-4-2 468a,b,c Orange hills, 3.5km ESE Aliso Peak; 3.2km ESE Alicia Fire Station, N of Del Avion, Laguna Niguel 100 Comment
  RSA0043350  Brassica nigra David Barrios 1991-5-8 40 Orange 1500 ft. northwest of Fairmont Ave and Quail Cir., Yorba Linda. 365 Comment
  UCR131877  Brassica nigra J. Mallory, V. McCoy 1995-7-3 6454- 105 Orange Santa Ana Mountains: Blind Canyon, c. 0.5 mi. east of confluence with Santiago Canyon, on a W-facing slope. north of Irvine Lake 300 Comment
  UCR237842  Brassica rapa Mark A. Elvin 2003-2-2 2271 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  CAS-BOT-BC36770  Brassica rapa Ira L. Wiggins 1966-3-5 20512 Orange About 0.5 mile west of El Toro Post Office, along Highway S-18. Comment
  UCSB18585  Brassica rapa Reed, Robert 1964-3-26 Orange 150 feet N of corner of Orangewood and Euclid Ave., Anaheim 60 Comment
  UCSB47972  Brassica rapa Roberts, Fred 1980-2-17 Orange At corner of Calle Arroyo and Calle Siega; near San Juan Creek; south of Highway 74; San Juan Capistrano 39 Comment
  RSA650639  Brassica rapa var. rapa Daniel Truong 1991-5-5 8 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of closed area. Comment
  RSA0069232  Brassica tournefortii Fred M. Roberts, Megan Lulow 2009-3-18 7137 Orange Santa Ana Mtns. Region: Lomas de Santiago: Loma Ridge at Calochortus Ridge, near East Loma Ridge Road, 2.6 km NW Bee Peak, &3.4 km NE of Rattlesnake Reservoir Dam. 375 Comment
  CAS-BOT-BC106303  Brickellia californica Helen D. Geis 1902-1-1 523 Orange Santiago Creek Comment
  RSA764022  Brickellia californica Doris Bowers 1970-10-26 1706 Orange Black Star Canyon 610 Comment
  RSA642460  Brodiaea filifolia Tony Bomkamp 1995-6-5 s.n. Orange Rancho Mission Viejo. Ridgeline and lots 1 mi N of Ortega Hwy and W of Canada Gobernadora. 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
  RSA679215  Brodiaea terrestris subsp. kernensis Fred M. Roberts 2003-6-17 5912 Orange Just NE of Falcon roup Camp, 2.1km ESWE Los Pinos Peak just west of main road. 1009 Comment
  CAS-BOT-BC149398  Bromus berteroanus Helen D. Geis 1902-4-1 s.n. Orange Santiago Canon [Canyon]. Comment
  CLARK-A1528-4534  Bromus carinatus John C. Roos 1937-5-20 2079 Orange San Juan Capistrano Comment
  SD152997  Bromus carinatus Steve Boyd, Tim Ross 1992-5-19 7417 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 (7SO6) north into Aliso Canyon 366 Comment
  SEINET3921870  Bromus carinatus Steve Boyd, Tim Ross 1992-5-19 7417 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) north into Aliso Canyon.; 0 366 Comment
  UCR38841  Bromus carinatus G. Sampson 1985-4-23 85- 369 Orange Chino Hills State Park, south of McDermott Spring in east end of Telegraph Canyon 412 Comment
  UCSB47950  Bromus carinatus Roberts, Dar 1980-5-3 Orange 0.48 W Trabuco Peak on Main Divide Truck Trail 1340 Comment
  CAS-BOT-BC148924  Bromus carinatus var. marginatus Le Roy Abrams 1901-6-1 1844 Orange Santiago Peak. Comment
  CAS-BOT-BC156205  Bromus catharticus John Thomas Howell 1956-3-11 30922 Orange Yorba Linda. Comment
  UCD58368  Bromus catharticus John Thomas Howell 1956-3-11 30922 Orange Yorba Linda. Comment
  RSA0073653  Bromus diandrus Fred M. Roberts 2010-3-12 7182 Orange Southeast Coast: Dana Point Headlands: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c.a. 150 meters SE Interpretive Center. 50 Comment
  UCR239626  Bromus diandrus Fred M. Roberts 2012-4-24 7494 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
  RSA0035210  Bromus diandrus Sandy Gray 1981-04 2 Orange Hwy. 142, Carbon Canyon Rd. 3 miles west of Cavida, Chino. Comment
  RSA732235  Bromus hordeaceus A. C. Sanders, Fred M. Roberts 2008-4-22 35041 Orange Lomas de Santiago, valley at south end of Loma Ridge and at head of Limestone Canyon, c. 2.5 miles SW of Silverado, above spring shown on topo map. 427 Comment
  UCR2233  Bromus hordeaceus F. M. Reed 1928-5-10 5884 Orange Laguna Canyon below lakes 91 Comment
  RSA650632  Bromus hordeaceus Daniel Truong 1991-5-5 13 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of ''closed area''. Comment
  RSA696328  Bromus hordeaceus Keith E. Hoffmaster 1928-4-25 s.n. Orange Santa Ana Comment
  RSA696608  Bromus racemosus Rankin s.n. Orange Corona Del Mar Comment
  CAS-BOT-BC161818  Bromus rubens Ira L. Wiggins 1966-3-5 20507 Orange Along Highway S-18, about 4.5 miles east of Laguna Beach. Comment
  CAS-BOT-BC161820  Bromus rubens Ira L. Wiggins 1966-3-4 20494 Orange Along shoulder of Peralta Avenue, near junction of Newport Freeway and Riverside Highway. Comment
  UCSB47951  Bromus tectorum Roberts, Dar 1980-5-3 Orange 1.8 km W Trabuco Peak on Main Divide Truck Trail;, and Trail Trail 1256 Comment
  CDA63  Cakile edentula E. L. Paddock Oct 1946 s.n. Orange On Ry. right-of-way. 0 Comment
  RSA678743  Cakile maritima Valerie Soza, Kenneth Clark, LeRoy Gross, Will Miller, Fred M. Roberts, Gary D. Wallace 2001-4-4 1113 Orange Anaheim Bay: Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 3 Comment
  UCR219802  Cakile maritima Rebecca T. Vo 2010-6-5 s.n. Orange South Coast, Huntington Beach, Santa Ana River Bike path on west side of the mouth of the Santa Ana River, near Orange County Sanitation Treatment Plant, north of Pacific Coast Hwy and east of Brookhurst St. 1 Comment
  SFV18212  Cakile maritima H. Reyes, M. Nasseri 2000-5-5 s. n. Orange Bolsa Chica State Beach, south of Pacific Coast Highway at bank of Inner Bolsa Bay. Comment
  RSA737894  Calandrinia breweri R. E. Riefner 2008-5-15 08 -82 Orange Irvine Ranch Reserve, N Irvine Ranch, eastern Fremont Canyon area, Black Star SCE road. 549 Comment
  UCR113458  Calandrinia breweri R. E. Riefner Jr. 2000-4-15 20- 374 Orange Santa Ana Mountains, North Ranch Policy Plan Area, along dirt road running north, but west of Black Star Canyon Rd. at powerline tower 520 Comment
  UCR203903  Calandrinia breweri R. E. Riefner Jr. 2008-5-20 08- 104 Orange Irvine Ranch Reserve, north Irvine Ranch, western Fremont Canyon, Windy Ridge Road 531 Comment
  RSA737845  Calandrinia breweri R. E. Riefner 2008-5-16 08 -86 Orange Irvine Rach Reserve, North Irvine Ranch, lower eastern Fremont Canyon area, Lakeview SCE Rd. 549 Comment
  UC1929694  Calandrinia breweri R. E. Riefner Jr. 2008-5-20 08 -104 Orange Irvine Ranch Reserve, North Irvine Ranch, western Fremont Canyon, Windy Ridge Rd. Comment
  UC1287124  Calandrinia ciliata C. L. Hitchcock 1966-3-15 24136 Orange 1/2 mi e Brea Comment
  UCR192501  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
  RSA697067  Calendula officinalis Kenneth Beard 1934-02 s.n. Orange Garden, Santa Ana 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
  RSA610237  Callitriche marginata Fred M. Roberts, Tony Bomkamp, R. E. Riefner 1997-2-27 4979 Orange Costa Mesa: Fairview Park, 0.1 km W Canyon School. 24 Comment
  RSA731005  Calocedrus decurrens Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6507 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  RSA590955  Calochortus catalinae Fred M. Roberts, Cathy Novak, Dave Bontrager 1991-4-18 4770 Orange Santa Ana Mountains: c. 0.7 kilometers N junction Santiago Canyon Road and Live Oak Canyon Road, 7.7 kilomers WSW Modjeska Peak. 411 Comment
  RSA735172  Calochortus catalinae A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35289 Orange Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  RSA788917  Calochortus catalinae Fred M. Roberts 1999-6-10 5239 Orange Lomas de Santiago: Loma Ridge, Agua Chinon Cyn., 1.3 km S Bolero Spring and 2.2 km W Bolero Lookout. 285 Comment
  UCR144103  Calochortus catalinae Scott D. White 2003-3-21 8795 Orange Peninsular Range/Santa Ana Mtns, Foothills [above] Rancho Mission Viejo; E-facing slopes above an unnamed tributary to San Juan Creek 183 Comment
  UCR192228  Calochortus catalinae A. C. Sanders, Fred M. Roberts 2008-5-6 35260 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  UCR31355  Calochortus catalinae L. F. LaPre 1983-4-12 s.n. Orange Peralta Hills c. 0.5 mi south of Anaheim Hills residential development. Comment
  CAS-BOT-BC483376  Calochortus invenustus L. R. Abrams 1901-6-15 1848 Orange Mt. Santiago Comment
  POM6366  Calochortus splendens Philip A. Munz, L. T. Street, G. Williams 1919-5-3 2625 Orange Santa Ana River Canyon. Comment
  SEINET4063239  Calochortus splendens G. Sphon 1959-1 325 Orange Between Upper and Lower San Juan Camps, Cleveland National Forest. Comment
  UCR191023  Calochortus splendens A. C. Sanders, Fred M. Roberts 2008-4-22 35013 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
  UCR223435  Calochortus splendens Dick Newell, Don Millar 2011-3-1 075 Orange Peninsular Range; Santa Ana Mtns. Foothills, MWD road east of outdoor education property, 1.6 mi. NW (312 deg. ) of Irvine Lake dam 258 Comment
  CAS-BOT-BC492706  Calochortus splendens Ethel H. Campbell 1921-5-1 s.n. Orange Laguna Beach Comment
  RSA49099  Calochortus splendens Philip A. Munz 1949-5-26 13371 Orange Head of Sierra [Freemont] Canyon, Santa Ana Mountains 762 Comment
  NY1104588  Calochortus weedii var. intermedius L. Abrams 06 1901 1802 Orange Isabuco Canon [Isabuco Canyon] Comment
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Aug 7 2013
  RSA0013582  Calochortus weedii var. intermedius D. E. Bramlet 2008-5-28 4283 Orange Bee Cyn., Bowerman landfill site, 468m S Bee Cyn access road & 434m W of the active landfill. Comment
  RSA131397  Calochortus weedii var. intermedius E. K. Balls 1958-6-27 23278 Orange Silverado Canyon, Santa Ana Mountains, 2.8 miles E from Silverado Station. 732 Comment
  RSA649683  Calochortus weedii var. intermedius R. E. Riefner 2000-6-26 20 -580 Orange NCCP North Ranch Policy Plan Area. Along dirt road running N and W of Black Star Canyon Road at powerline tower. Comment
  SD134560  Calochortus weedii var. intermedius Craig Reiser 1992-6-12 Orange Laguna Niguel, west-facing slope 100 yards north of northeast corner of intersection of Crown Valley Parkway and Pacific Island Drive. Openings in chaparral. (IPB 3/08) Comment
  UC754056  Calochortus weedii var. intermedius H. F. Copeland 1938-6-29 1574 Orange back of Laguna Beach Comment
  UCR217675  Calochortus weedii var. intermedius Fred M. Roberts 2008-5-27 7003 Orange Peninsular Range; Santa Ana Mountains Foothills, Lomas de Santiago, Loma Ridge, Hicks Canyon, c. 0.2 km beyond Hicks Canyon Gate, 2.2 km west-northwest of Bee Peak, Irvine Ranch Conservancy 213 Comment
  RSA0037247  Calochortus weedii var. intermedius Sandy Leatherman, Melissa Riedel-Lehrke 2013-5-30 2013 -8 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. Comment
  JEPS61770  Calochortus weedii var. weedii John Thomas Howell 1927-6-22 2572 Orange Rancho Santa Ana Santa Ana Canyon 152 Comment
  POM351397  Calycadenia tenella M. B. Dunkle 5379 Orange San Juan Canyon Comment
  RSA542424  Calycadenia tenella Fred M. Roberts 1988-5-13 3967 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon near spring, 2.3 km NW Bolero Lookout. 439 Comment
  UCR193067  Calycadenia tenella A. C. Sanders, T. B. Salvato 2008-5-13 35338 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
  CHSC70486  Calystegia macrostegia R. A. Schlising 1973-6-25 3104 Orange SW of Corona; along dead-end road 2.1 mi SW of junction with Hwy 71. Comment
  UCR109765  Calystegia macrostegia R. D. Goeden, Don W. Ricker 1965-6-21 s.n. Orange Dana Point 61 Comment
  UCR220027  Calystegia macrostegia Rebecca T. Vo 2010-6-5 s.n. Orange South Coast, Huntington Beach, Santa Ana River Bike path on west side of the mouth of the Santa Ana River, near Orange County Sanitation Treatment Plant, north of Pacific Coast Hwy and east of Brookhurst St. 1 Comment
  SD255134  Calystegia macrostegia subsp. arida R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49796 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  POM212348  Calystegia macrostegia subsp. intermedia C. B. Wolf 1931-3-6 1865 Orange 2 mi. from Orange Co. Park on the road to Anaheim. 152 Comment
  RSA683073  Calystegia macrostegia subsp. intermedia Fred M. Roberts 2003-3-13 5591 Orange Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1,320m NW Sycamore Gate and 880m W Cristianitos Rd. 179 Comment
  RSA697154  Calystegia occidentalis subsp. occidentalis Minor Warne 1934-4-14 s.n. Orange Laguna Canyon. Comment
  RSA33847  Calystegia soldanella N. C. Cooper 1944-6-3 1348 Orange Balboa Beach, On beach at sealevel. 0 Comment
  UCR42434  Calystegia soldanella A. C. Sanders 1986-5-31 6527 Orange Southern Coast, Balboa Island at Newport Beach. Dunes at the back edge of the beach, from 6th St. S to the harbor entrance 1 Comment
  RSA49672  Camissonia bistorta L. R. Abrams 1901-6-15 1793 Orange Santiago Peak trail. Comment
  RSA732239  Camissonia bistorta A. C. Sanders, Fred M. Roberts 2008-4-22 35044 Orange Lomas de Santiago, valley at south end of Loma Ridge and at head of Limestone Canyon, c. 2.5 miles SW of Silverado, above spring shown on topo map. 427 Comment
  UCR190975  Camissonia californica A. C. Sanders, Fred M. Roberts 2008-4-22 35002 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
  CSUSB189  Camissonia cheiranthifolia subsp. suffruticosa Nancy J. Moriarty 1973-5-20 730520 3 Orange Huntington Beach; 0.5 mile north of Brookhurst Street on the west side of Pacific Coast Highway. Comment
  HSC94212  Camissonia cheiranthifolia subsp. suffruticosa D. Atwood 1993-3-28 17712 Orange Bolsa Chica Ecological Reserve, California Dept. of Fish and Game 0 Comment
  POM3331  Camissonia cheiranthifolia subsp. suffruticosa D. L. Crawford 1927-8-3 742 Orange Laguna Beach Region, Aliso Pt. shore cliffs. Comment
  RSA737479  Camissonia cheiranthifolia subsp. suffruticosa Fred M. Roberts 2008-3-12 6737 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  SDSU3348  Camissonia confusa H. Wedberg 1958-3-29 183 Orange In grassy patch under Quersus agrifolia, across stream from Lower San Juan Campground (Hwy 74). Comment
  RSA585054  Camissonia hirtella D. Atwood 1993-3-28 17714 Orange Bolsa Chica Ecological Reserve, California Dept. of Fish and Game. 0 Comment
  RSA598919  Camissonia ignota Scott D. White 1997-3-28 4847 Orange Above Modjeska Canyon, proposed water tank site. 425 Comment
  SEINET7073417  Camissonia ignota A. G. Vestal 1963-4-24 s.n. Orange La Paz Canyon, Rancho Mission Viejo. Coordinate datum: NAD27. Comment
  RSA5804  Camissonia micrantha Carl B. Wolf 1932-6-28 3778 Orange Along western half of no. boundary of 40 acre Valencia Orange grove at Bryant Ave. and Hansen Road. 9 Comment
  UCR193415  Camissonia micrantha A. C. Sanders, Fred M. Roberts 2008-6-17 35522 Orange Peninsular Range; Santa Ana Mtns., middle section of Weir Canyon, SSE of Walnut Canyon Reservoir 230 Comment
  UCR267215  Camissonia micrantha Fred M. Roberts, Lee Ann Caranza 2009-4-7 7143 Orange South Coast Region, DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.5 km WNW Dana Point Marine Institute at Dana Point Harbor, near Interpretive Center 70 Comment
  RSA4784  Camissonia strigulosa James Snow s.n. Orange Bryant Ranch, near Long Beach, Station #7. Plant 3. Comment
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Apr 29 2010
  CAS-BOT-BC160451  Camissoniopsis cheiranthifolia subsp. suffruticosa William M. Klein 1960-6-14 1457 Orange San Clemente State Park 7 Comment
  CAS-BOT-BC160452  Camissoniopsis cheiranthifolia subsp. suffruticosa C. W. Tilforth 1975-9-3 1039 Orange At north-east shoreline of Upper Bay, Newport Beach Comment
  CAS-BOT-BC37126  Capsella bursa-pastoris Ira L. Wiggins 1966-2-16 20445 Orange Orange grove on north side of Yorba Linda Boulevard, near corner of Associated Road, Fullerton. Comment
  RSA0054945  Capsella bursa-pastoris Keith E. Hoffmaster 1927-2-12 395 Orange Santa Ana. Comment
  RSA697415  Capsella bursa-pastoris Snow 1929-2-16 3 Orange Santa Ana. Comment
  RSA369328  Cardamine californica var. integrifolia Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  RSA65597  Cardionema ramosissimum F. W. Peirson 1923-3-25 4166 Orange Aliso Creek, near Laguna Beach. Comment
  POM436  Cardionema ramosissimum Daniel J. Crawford s.n. Orange Laguuna Beach region. Comment
  SD152951  Carduus pycnocephalus Steve Boyd, Tim Ross 1992-5-19 7427 Orange Southern Santa Ana Mountains; western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carillo north into Aliso Canyon. 365 Comment
  UCSB47610  Carex barbarae Roberts, Fred 1980-5-3 Orange Santa Ana Mtns., San Juan Canyon, near mouth of Viejo Cyn.: below Rte. 74; 2.7 km. by road ENE San Juan Guard Station; 0.4 km. WSW Bm 1100 290 Comment
  CAS-BOT-BC118491  Carex praegracilis Helen D. Geis 1902-4-1 s.n. Orange Unspecified Comment
  UCR193039  Carex praegracilis A. C. Sanders, Fred M. Roberts 2008-6-17 35496 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
  CAS-BOT-BC118492  Carex praegracilis Helen D. Geis 1902-4-1 s.n. Orange Santa Ana, Peat lands Comment
  SEINET7572179 Image available Carex praegracilis Helen D. Geis 1902-1 505 Orange [no precise loc] Comment
  RSA581445  Carex spissa Fred M. Roberts, Gordon Marsh 1989-5-12 4365 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
  SEINET10495943  Carissa macrocarpa Chester T. Dziekanowski, David B. Dunn; Charlene A. Bennett 1976-7-21 Dziekanowski 2417 Orange Collected around the condominium-Pacific Island Estates in Laguna Beach. Comment
  CDA25905  Carpobrotus chilensis Mark A. Elvin, D. G. Kelch 2006-12-9 5292 Orange Southern Coastal; Newport Backbay; Big Canyon, lower end. Comment
  POM351479  Carthamus creticus E. L. Paddock 1941-7-21 s.n. Orange Ridge Road along S rim of Tonner Canyon, approx. 1 mi. NE of Brea on Union Oil Lease. Comment
  UC718040  Castilleja exserta subsp. exserta P. C. Everett 1935-4-27 Orange 1 mi w Atwood (Jack Johnson property) 152 Comment
  UCSB9376  Castilleja exserta subsp. exserta Lloyd, Robert 1959-4-17 Orange Mt. Range Santa Ana; 10 mi S of W Corona; on the Oak Flats Fire Road 792 Comment
  UCSB17560  Castilleja exserta subsp. exserta Cummings, R. 1963-5-11 Orange 9 miles from San Juan Capistrano on U.S. Highway 101 alternate Comment
  RSA705  Castilleja foliolosa J. T. Howell 1928-2-25 848 Orange Nolina Canyon, Rancho Santa Ana. 152 Comment
  RSA448792  Castilleja minor subsp. spiralis M. B. Dunkle 1934-6-18 3989 Orange San Juan Canyon; Southern Coastal 305 Comment
  UCR137191  Castilleja minor subsp. spiralis M. B. Dunkle 1934-6-18 3989 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon 305 Comment
  UCR14364  Castilleja minor subsp. spiralis Steve Kulju 1974-5-27 s.n. Orange Peninsular Range; Santa Ana Mtns, San Juan Canyon, 16 mi SW of Lake Elsinore on State Hwy 74 488 Comment
  UCR174192  Castilleja minor subsp. spiralis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33007 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
  RSA749793  Caulanthus heterophyllus D. E. Bramlet 2008-4-1 4145 Orange Ridgeline in Upper Hicks Canyon, 162m S of the Haul Road. 346 Comment
  UCR190976  Caulanthus heterophyllus A. C. Sanders, Fred M. Roberts 2008-4-22 35001 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
  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
  UCD114584  Caulanthus lasiophyllus D. E. Bramlet 2008-3-31 4133 Orange Santa Ana Mountains. 305 m E of Upper Hicks Haul Road, in Trib to Limestone Cyn., 1 km S of Santiago Cyn. Road. 311 Comment
  CAS-BOT-BC48494  Ceanothus crassifolius Marcus E. Jones 1930-3-3 26514 Orange Santa Ana mountains Comment
  RSA662564  Ceanothus crassifolius P. Shirokawa 1998-5-15 37 Orange Cleveland National Forest- Trabuco Ranger District, 2.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road 960 Comment
  SD181362  Ceanothus crassifolius Paul Shirokawa 1998-5-15 37 Orange Cleveland National forset - Trabuco Ranger District, 2.3 miles from Ortega Highway (State Highway 74) on North Main Divide Rd 960 Comment
  SD41968  Ceanothus crassifolius Darley F. Howe 1947-4-29 Orange Santa Ana Mts. Comment
  LA44871  Ceanothus leucodermis W. Pequegnat; 1938-9-3 sn Orange Santa Ana Mountains, Ortega Rd 548 Comment
  RSA798602  Ceanothus leucodermis Robert F. Thorne, E. W. Lathrop 1977-5-18 49741 Orange Santa Ana Mountains: summit of Santiago Peak. 1733 Comment
  CAS-BOT-BC50507  Ceanothus megacarpus var. megacarpus John Thomas Howell 1927-6-26 2609 Orange Claymine Canyon, n. Santa Ana Mts. 701 Comment
  RSA542420  Ceanothus megacarpus var. megacarpus Fred M. Roberts, Karlin G. Marsh, Gordon Marsh 1988-4-26 3953 Orange San Joaquin Hills: hill between Pelican and Signal Hills, 0.8km ENE Pelican Hill. 207 Comment
  RSA542421  Ceanothus megacarpus var. megacarpus Fred M. Roberts 1988-3-9 3341 Orange South Laguna; Hobo Canyon, ca. 0.8km NE Goff island. 49 Comment
  RSA548859  Ceanothus megacarpus var. megacarpus Fred M. Roberts 1988-3-9 3840 Orange Aliso-Wood Canyons regional Park: Niguel Hill, Seaview Park, 1.0km ENE Aliso Peak. 273 Comment
  UC1070886  Ceanothus megacarpus var. megacarpus H. E. Norton and J. B. Spring 1931-3-28 50 Orange sw of Niguel Hill; Corona quad. 914 Comment
  RSA12928  Ceanothus oliganthus Carl B. Wolf 1935-4-7 6318 Orange San Juan Canyon, Ortega Hwy, 2 miles east Orange County. 762 Comment
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Oct 7 2013
  RSA638961  Ceanothus oliganthus Valerie L. Soza, LeRoy Gross 1999-6-7 484 Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  CAS-BOT-BC63561  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1941-8-15 11158 Orange Santa Ana Mts. along main divide motorway just no. of head of Trabuco truck trail. 1219 Comment
  SEINET10852447  Ceanothus oliganthus var. sorediatus Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-10 Meyer 7 Orange Cleveland National Forest, 2 mi. N. Main Divide Rd./NF3S04, off Hwy. 74. 957 Comment
  CAS-BOT-BC402196  Ceanothus papillosus var. roweanus R. F. Thorne; C. W. Tilforth; E. W. Lathrop 1977-4-27 49697 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  RSA399812  Ceanothus papillosus var. roweanus Christopher Davidson 1977-5-18 8898 Orange Santa Ana Mts. Cleveland Nat. Forest. Pleasants Peak (on Orange-Riverside Co. line). 1220 Comment
  SD247719  Ceanothus papillosus var. roweanus R. F. Thorne, C. W. Tilforth, E. W. Lathrop. 1977-4-27 49697 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  CAS-BOT-BC53004  Ceanothus spinosus Le Roy Abrams 1901-6-16 1854 Orange Trabuco Canyon Comment
  CAS-BOT-BC53008  Ceanothus spinosus Carl B. Wolf 1936-6-17 7950 Orange Santa Ana Mts., along Ortega Highway, San Juan Canyon, 2/10 mi. W. of Riverside Co. line 274 Comment
  RSA25809  Ceanothus spinosus Carl B. Wolf 1941-8-15 11151 Orange W. slope Santiago Truck trail to Santiago Pk. 1.2 mi. above F.S. Gate. 610 Comment
  RSA637494  Ceanothus spinosus Valerie L. Soza, LeRoy Gross 1999-6-8 503 Orange Santa Ana Mountains: Santiago and Modjeska Canyons, above Tucker Wildlife Sanctuary, above the town of Modjeska 518 Comment
  RSA77487  Ceanothus spinosus F. W. Peirson 1925-4-10 5742 Orange In Silverado Canyon. 610 Comment
  RSA797598  Ceanothus spinosus Robert F. Thorne 1977-11-21 49995 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  UC1071372  Ceanothus spinosus A. Lewis Apr 1934 383 Orange Santiago Canyon Cleveland National Forest, Corona Quad. Comment
  UCD112711  Ceanothus spinosus R. W. 1933-4-1 s.n. Orange Near Capistrano. 304 Comment
  SD247720  Ceanothus tomentosus R. F. Thorne, C. W. Tilforth, E. W. Lathrop. 1977-4-27 49676 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 456 Comment
  RSA1445  Ceanothus tomentosus var. olivaceus J. T. Howell 1929-2-11 1224 Orange trail from [Claymine] Canyon to Sierra Peak, Santa Ana Mts. 335 Comment
  SD254510  Cenchrus clandestinus D. E. Bramlet 2009-11-20 4416 Orange South Coast: San Diego Creek between Irvine and Newport Back Bay. 3 Comment
  RSA46  Cenchrus longispinus J. T. Howell 1927-7-18 435 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  UCR239619  Centaurea melitensis Fred M. Roberts 2012-4-24 7518 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
  RSA648194  Centaurium venustum Karl Price 1988-4-19 19 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
  CAS-BOT-BC288843  Centromadia parryi subsp. australis David D. Keck 1933-9-17 2524 Orange Westminster Comment
  CAS-BOT-BC288847  Centromadia parryi subsp. australis John Thomas Howell 1927-6-30 2615 Orange 7 miles E of Long Beach 15 Comment
  JEPS38140  Centromadia parryi subsp. australis L. M. Booth 1932-6-7 1169 Orange Newport Bay Comment
  RSA298932  Cephalaria syriaca M. Alice King 1908-4-15 s.n. Orange Walnut grove. Santa Ana. Comment
  RSA0119680  Cerastium glomeratum Fred M. Roberts 2015-3-10 7925 Orange San Joaquin Hills: Niguel Hill, on ridge above Aliso Canyon ear end of Ceanothus Drive (Hangover House property), 0.4 km WNW summit Aliso Peak. 122 Comment
  RSA687522  Cerastium glomeratum Fred M. Roberts 2003-3-27 5630 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
  RSA516  Ceratophyllum demersum J. T. Howell 1927-8-13 625 Orange Santa Ana River Bottom 152 Comment
  RSA599184  Cercocarpus betuloides Scott D. White 1997-3-28 4827 Orange Above Modjeska Canyon, proposed water tank site. 425 Comment
  UCR221892  Cercocarpus betuloides Dick Newell, Don Millar 2010-10-15 40 Orange South Coast, San Joaquin Hills, Laguna Wilderness parkm on the Willow Trail 220 Comment
  RSA539366  Cercocarpus minutiflorus Fred M. Roberts 1989-2-21 4182 Orange Aliso-Woods Canyon Regional Park: Niguel Hill, 1.6 km ENE Aliso Peak. 268 Comment
  CAS-BOT-BC279500  Chaenactis artemisiifolia L. R. Abrams 1901-6-15 1808 Orange Trabuco Canon [Canyon] Comment
  IRVC23289  Chaenactis artemisiifolia Fred M. Roberts, K. G. Marsh 1985-7-18 2053 Orange Temple Hill, Goff Ridge, 0.9km NE Goff Island off Nye Place Laguna Beach 168 Comment
  POM49175  Chaenactis artemisiifolia L. R. Abrams 1901-6-15 1808 Orange Trabuco Canyon Comment
  RSA648190  Chaenactis artemisiifolia Karl Price 1988-5-7 37 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. 304 Comment
  SEINET7073425  Chaenactis artemisiifolia A. G. Vestal 1963-4-24 s.n. Orange La Paz Canyon, Rancho Mission Viejo. Coordinate datum: NAD27. Comment
  UCR193348  Chaenactis artemisiifolia A. C. Sanders 2008-5-28 35437 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 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
  RSA598922  Chaenactis glabriuscula var. glabriuscula Scott D. White 1997-3-28 4852 Orange Above Modjeska Canyon, proposed water tank site 425 Comment
  UC536896  Chaenactis glabriuscula var. glabriuscula Lawrence M. Booth 1932-5-18 1056 Orange Newport Bay Comment
  CAS-BOT-BC284203  Chaenactis glabriuscula var. lanosa P. C. Everett 1935-5-17 6865 Orange 7/8 mi. E. of Atwood, S. side of Santa Fe railroad tracks 152 Comment
  RSA113264  Chaenactis glabriuscula var. megacephala E. K. Balls 1955-4-4 20424 Orange N of Dana Poit off Hwy 101. 46 Comment
  UCSB48225  Chamaesyce maculata Roberts, Fred 1981-6-24 Orange San Juan Capistrano; 3.2 km. S Saddleback Community College on Rancho Viejo Road 42 Comment
  POM21180  Chamaesyce nutans Helen D. Geis 1902-04 s.n. Orange Roadside, Santa Ana Comment
  CDA1080  Chamaesyce serpillifolia subsp. hirtula D. G. Kelch 2006-12-9 6 .563 Orange Irvine. University Dr along tidal creek just E of I-73. Comment
  SEINET10793742 Image available Cheilanthes clevelandii Michael D. Windham 1998-3-31 Windham 98 -088 Orange Along tributary of Hot Spring Canyon in the Santa Ana Mountains, ca. 3.00 km SE of Crow Spring. Cleveland National Forest. Canada Gobernadora Quadrangle (7.5 min.). UTM-3718150 m.N by 453065 m.E (Zone 11). 320 Comment
  IRVC29829  Chenopodium Tom McCrainie, Mark A. Elvin 2006-9-23 3 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
  SD234927  Chenopodium album R. E. Riefner Jr. 2006-10-8 6 484 Orange South Coast: Irvine, San Diego Creek near 405 Freeway, between 405 and Laguna Rd. 50 Comment
  UCR197682  Chenopodium album A. C. Sanders, Fred M. Roberts 2008-9-18 36065 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  RSA64759  Chenopodium ambrosioides var. ambrosioides F. W. Peirson 1924-8-29 5079 Orange 6 miles from Balboa on road inland along creek. Comment
  UCR193802  Chenopodium berlandieri A. C. Sanders, Fred M. Roberts 2008-7-3 35676 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation Corridor 415 Comment
  UCR73179  Chenopodium berlandieri Scott D. White 1992-9-23 858 Orange Vicinity of Olinda, near city of Brea, immediately north of Carbon Canyon Road and east of Placentia Ave.; c. 1 mi. (airline) SSE of Tonner Canyon 183 Comment
  SD136861  Chenopodium berlandieri Steve Boyd, Tim Ross 1994-9-14 8362 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
  RSA725467  Chenopodium berlandieri var. sinuatum Fred M. Roberts, Megan Lulow 2007-7-30 6551 Orange Fremont Canyon, 1.3 km NE Irvine Lake spillway, North Irvine Ranch Policy Area. 253 Comment
  RSA747591  Chenopodium californicum Fred M. Roberts 2000-5-5 5319 Orange Lomas de Santiago: Loma Ridge, Agua Chinon Cyn., north slope, 1.6 kmSSW Bolero Spr. and 2.6 km W Bolero Lookout. 308 Comment
  CDA3125  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. Comment
  RSA64797  Chenopodium macrospermum var. farinosum F. W. Peirson 1919-11-8 1826 Orange Aliso Creek. 0 Comment
  UCR192988  Chenopodium multifidum A. C. Sanders, Fred M. Roberts 2008-6-17 35476 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 260 Comment
  CDA20835  Chenopodium murale P. Akers 2006-3-25 PA 9 -06 Orange Peninsular Ranges; Yorba Linda. Santa Ana River S of La Palma Dr, 0.6-0.9 mi E of Yorba Linda Dr. 121 Comment
  RSA751792  Chenopodium murale A. C. Sanders, Fred M. Roberts 2008-7-3 35686 Orange upper Weir Canyon, along Windy Ridge Rd. at huge sandstone boulder (visible on Google Earth), 1.3 mi. SE of Walnut Canyon Reservoir 314 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
  UCR237824  Chenopodium murale Mark A. Elvin 2003-2-2 2281 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 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
  RSA573428  Chenopodium murale Steve Boyd, Timothy S. Ross 1994-9-14 8347 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
  UCSB18582  Chenopodium murale Reed, Robert 1964-3-26 Orange 150 feet N of the corner of Orangewood and Euclid Avenues, Anaheim 60 Comment
  CAS-BOT-BC252772  Chorizanthe parryi var. fernandina Helen D. Geis 1902-1-1 541 Orange Santa Ana 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
  RSA749845  Chorizanthe procumbens D. Bramlet, Jim Harrison 2008-3-28 4132 Orange Bee Canyon. Bowerman landfill site.925 m S of the Bee Cyn. access road, 352 m W of the landfill entrance. Comment
  RSA785186  Chorizanthe procumbens D. E. Bramlet 1983-5-28 1388 Orange Dana Point, 154 m SW of Pacifc Coast Highway 73 Comment
  UCR146880  Chorizanthe procumbens Kathleen Stockwell 2000-6-18 s.n. Orange South Coast, Dana Point Headlands 61 Comment
  UCR266291  Chorizanthe procumbens D. E. Bramlet 2002-4-15 3267 Orange Pass area in Little Sycamore Canyon 122 Comment
  RSA65270  Chorizanthe procumbens F. W. Peirson 1924-5-30 6022 Orange Southward from Canada Salada. Comment
  JEPS57639  Chorizanthe staticoides Lawrence M. Booth 1932-5-12 1031 Orange Newport Bay. Comment
  RSA751171  Chorizanthe staticoides D. E. Bramlet 2008-6-3 4285 Orange Upper Borrego Cyn, 136m SE of the access road and 1.5km west of Santiago Cyn Road 433 Comment
  RSA0004910  Chorizanthe staticoides var. elata P. A. Munz 1923-6-14 7085 Orange Glen dry trail to Santiago Peak , Santa Ana Mountains, dry ridge in chaparral belt. 1463 Comment
  IRVC17045  Chrysanthemum coronarium J. Schram 1965-4-14 Orange Calif. 1. Laguna Beach Comment
  POM201617  Cicuta bolanderi L. M. Booth 1333 Orange Newport Lagoon Comment
  CDA1068  Cirsium arvense Ahelfeld 1957-9-4 s.n. Orange 0 Comment
  UC537119  Cirsium brevistylum Lawrence M. Booth 1932-5-15 1199 Orange 1/2 mi from Pacific Ocean Comment
  RSA721124  Cirsium californicum Minor Warne 1934-5-19 s.n. Orange Trabuco. Comment
  RSA721121  Cirsium occidentale Anonymous s.n. Orange Lower Trabuco. Comment
  UCR109766  Cirsium occidentale var. californicum R. D. Goeden, Don W. Ricker 1965-6-21 s.n. Orange Dana Point 61 Comment
  RSA0059656  Cirsium occidentale var. occidentale Fred M. Roberts, David E. Bramlet 2003-6-6 5907 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, west slopes of Cristianitos Canyon, 0.86 km SSW Gato Gate and 0.39 km W of Cristianitos Road. 149 Comment
  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
  UCR109769  Cirsium vulgare R. D. Goeden, Don W. Ricker 1965-7-7 s.n. Orange Puente Hills, Brea Blvd. at Tonner Cyn. Rd., confluence of Brea and Tonner Canyons, NE edge of Brea 146 Comment
  RSA773523  Cistanthe monandra Fred M. Roberts 1999-5-14 5214 Orange Peninsular Ranges; Santa Ana Mts.: Lomas de Santiago, Loma Ridge; Upper Limestone Canyon on slopes above Bolero Spring, 2.4 km NNW Bolero Lookout 451 Comment
  CAS-BOT-BC172421  Clarkia bottae C. L. Hitchcock 1928-5-5 49 Orange Mouth of Santa Ana Canyon 150 Comment
  CAS-BOT-BC172422  Clarkia bottae Carl B. Wolf 1932-7-2 3825 Orange Carbon Canyuon, 1/8 mi. below La Vida Springs 213 Comment
  UCR228790  Clarkia bottae Dick Newell, Don Millar 2011-5-24 159 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Hicks Haul Road 286 Comment
  POM6353  Clarkia dudleyana L. T. Street, Williams 1919-5-10 2752 Orange Turnbull Canyon. Near Whittier 305 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
  SEINET7067524  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1947-6-12 s.n. Orange Grade to Trabuco Canyon. Coordinate datum: NAD27. UTM Zone 11, 445302mE, 3724321mN. Comment
  RSA448336  Clarkia rhomboidea Albert J. Perkins 1914-6-14 s.n. Orange Santiago Peak trail Comment
  HSC17683  Claytonia perfoliata subsp. mexicana J. W. Johnson 1961-4-2 Orange Newport Beach, along Upper Newport Bay. Comment
  RSA184092  Claytonia perfoliata subsp. mexicana I. L. Wiggins 1966-3-22 20548 Orange Silverado Canyon about 5 miles above Ranger Station, Cleveland National Forest. Comment
  UC1136736  Claytonia perfoliata subsp. mexicana A. Lewis 1934-4-1 378 Orange Coal Mine; Corona Quad. 243 Comment
  SD101082  Claytonia perfoliata subsp. mexicana John M. Miller 1978-3-18 709 Orange Santa Ana Mountains; San Juan Creek Canyon, 13.6 miles E of Hwy. 101 on Hwy. 74. 366 Comment
  RSA16489  Clematis lasiantha Percy C. Everett 1935-6-18 7218 Orange Santa Ana Mts: Summit of Santiago Peak. 1732 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
  UCSB29146  Clematis lasiantha Copp, Joseph 1962-3-9 Orange San Juan Can; Calif. 74; 8.8 rd. mi. northeast of US 101 Comment
  RSA5332  Clematis ligusticifolia B. D. Stark 1933-6-3 s.n. Orange Rancho Santa Ana near pear orchard 122 Comment
  RSA607432  Cleome isomeris L. C. Wheeler 1932-6-25 868 Orange Newport Bay. 3 Comment
  RSA66687  Cleome isomeris F. W. Peirson 1924-2-10 4530 Orange southward from Corona del Mar. Comment
  RSA789221  Clinopodium chandleri Naomi S. Fraga, Duncan S. Bell 2009-5-11 2721 Orange Chiquita Trail 762 Comment
  SEINET945698  Clitoria mariana Paul O. Schallert 1949-1 4870 Orange Near Maitland. Comment
  UCD116913  Cneoridium dumosum A. Lewis 1934-4-1 401 Orange Near Arch Beach. 182 Comment
  SEINET8726617 Image available Cneoridium dumosum Lytton J. Musselman 1977-1 5469 Orange above Pacific Ocean at Laguna Beach near Nyes Road. Comment
  POM88657  Collinsia heterophylla Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canyon. Comment
  RSA0117394  Collinsia parryi Fred M. Roberts, K. Nowak 1995-4-19 4927 Orange Lower Hot Springs Canyon, San Juan Trail, 0.4 km NNW Juan Rancho Survey Mark. 396 Comment
  RSA0029945  Comarostaphylis diversifolia subsp. diversifolia Fred M. Roberts, Sandra Leatherman 2013-2-13 7719 Orange Santa Ana Mountains: Ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km SE Modjeska (town). 792 Comment
  RSA751187  Conium maculatum A. C. Sanders, Fred M. Roberts 2008-6-17 35455 Orange Lomas de Santiago, Hicks Canyon Haul Road 0.5 mi. east of the Foothill Transportation Corridor 244 Comment
  POM201722  Convolvulus arvensis L. M. Booth 1932-5-26 1126 Orange Newport Bay Comment
  UCR109770  Convolvulus arvensis R. D. Goeden, Don W. Ricker 1965-6-15 s.n. Orange Santiago Blvd., Villa Park 91 Comment
  UCR109771  Convolvulus arvensis R. D. Goeden, Don 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
  RSA697150  Convolvulus arvensis Anonymous s.n. Orange Santa Ana Comment
  UCSB6907  Convolvulus arvensis Haller, Norman 1953-4-25 Orange U.S. 101, 3 miles northwest of Laguna Beach Comment
  RSA687516  Convolvulus simulans Fred M. Roberts, D. E. Bramlet 2003-4-10 5652 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, ridge between Cristianitos Canyon, 1.17 km SW Gato Gate and 1.02 km W Cristianitos Road. 175 Comment
  RSA718958  Conyza bonariensis Fred M. Roberts, Robert L. Allen 2006-10-8 6422 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
  UCR193007  Conyza bonariensis A. C. Sanders 2008-5-28 35442 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  POM201740  Conyza bonariensis L. M. Booth 1932-6-9 1181 Orange Newport Bay Comment
  RSA835  Conyza canadensis J. T. Howell 1927-9-24 743 Orange Santa Ana Botany Garden 152 Comment
  RSA232215  Conyza canadensis James Henrickson 1970-8-22 5296 Orange 2.5 miles NNW of Huntington Beach. 0 Comment
  RSA5968  Conyza canadensis C. B. Wolf 1932-9-13 4041 Orange Bryant Ranch, dike at east side of San Gabriel River Flood Control, at North boundary of ranch 6 Comment
  IRVC24188  Conyza coulteri Fred M. Roberts 1985-9-17 2264 Orange Irvine; lot between Walnut Avenue, Harvard Avenue and Peter's Creek Channel. southern coastal 20 Comment
  SEINET4676165  Cordylanthus rigidus A. C. Sanders, Fred M. Roberts 2008-7-16 35826 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, along road in lower Limestone Canyon, near junction with Harding Truck Trail.; 0 290 Comment
  SEINET7067532  Cordylanthus rigidus subsp. rigidus A. G. Vestal 1947-6-12 s.n. Orange Grade above road-end at Silverado Canyon. Coordinate datum: NAD27. UTM Zone 11, 445596mE, 3734267mN. Comment
  UCSB48241  Cordylanthus rigidus subsp. setiger Roberts, Fred 1981-7-21 Orange Santa Ana Mts.: 0.8km SE Blue Jay Camp Ground 934 Comment
  LA205799  Corethrogyne filaginifolia W. Pequegnat; 1937-9-1 sn Orange Santa Ana Mountains, Top of Horsethief Trail Comment
  POM4589  Corethrogyne filaginifolia D. L. Crawford 1916-7-28 s.n. Orange Abalone Point Comment
  UCSB52401  Corethrogyne filaginifolia Roberts, Fred 1982-9-15 Orange Rancho Mission Viejo; Rte. 74, 6.6 km. by road ENE San Juan Capistrano; 0.9 km. Viejo Peak 93 Comment
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Jan 25 2020
  CLARK-A1528-1790  Corethrogyne filaginifolia var. virgata John C. Roos 1937-9-1 2519 Orange Laguna Beach Comment
  RSA292463  Corethrogyne filaginifolia var. virgata James Henrickson 1972-10-21 8066 Orange Newport Beach, So. of Jamboree Rd., E. of Irvine Coast Country Club near U.C. Irvine. Irrigated grassland eventually to be used for large Newport Beach Business Center. 46 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
  UCR100456  Coronopus didymus B. G. Pitzer 1996-4-30 2767 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  HSC5419  Cotula australis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23067 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  UC31282  Cotula coronopifolia C. W. Hamlin 1896-1 7 Orange Buena Park Comment
  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
  UCR96897  Cotula coronopifolia Scott D. White 1993-4-28 1287 Orange Pacific slope, Tustin Marine Corps Air Station, NW of Peters Canyon Channel, between Moffett Dr. & Warner Comment
  CAS-BOT-BC291358  Cotula coronopifolia C. W. Tilforth; John Dourley 1969-4-22 184 Orange San Clemente Comment
  RSA696048  Cotula coronopifolia Jeanne Paxton 1934-4-10 s.n. Orange Marshy land near S. A Country Club Comment
  SFV16199  Cotula coronopifolia R. K. Stachelek, B. Anderson 1995-3-23 50 Orange Newport Beach, Upper Newport Bay. Back Bay Drive, about 150m north of San Joaquin Drive. Along margins of salt marsh. Comment
  CAS-BOT-BC427770  Crassula connata C. B. Wolf 1931-3-6 1844 Orange 1/2 mile above Trabuco Oaks, Trabuco Canyon, west slope Santa Ana Mts. 457 Comment
  HSC6500  Crassula connata J. W. Johnson 1961-2-19 Orange Newport Beach, above upper Newport Bay Comment
  UC1543005  Crassula connata Donald G. Nelson 1935-3-23 178 Orange just s. of <Orange thorpe> Ave. E. Fullerton 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
  UCR215302  Crassula tillaea Fred M. Roberts 2008-3-27 6807 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west Marine Institute, Dana Point Harbor 75 Comment
  RSA394756  Cressa truxillensis Ella M. Kennedy 1923-5-2 s.n. Orange Laguna Beach Comment
  RSA556  Cressa truxillensis J. T. Howell 1927-6-30 249 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA593876  Cressa truxillensis R. E. Riefner 1995-4-28 95 -115 Orange San Clemente State Beach. 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
  UCR228773  Croton setiger Dick Newell, Don Millar 2011-5-24 166 Orange Peninsular Range; Santa Ana Mtns., above Outdoor Education Center on MWD service road, 1.6 miles NW (311 deg. ) of Irvine Lake dam 244 Comment
  UCR123430  Crypsis schoenoides G. James 1968-10-1 s.n. Orange Huntington Beach, near Beach Boulevard and Adams Boulevard. Comment
  RSA713393  Crypsis schoenoides R. E. Riefner 2005-10-5 5 -706 Orange City of Yorba Linda, Santa Ana River bottom, N flood plain, near Yorba Linda Regional Park. 98 Comment
  SEINET6971880  Cryptantha W. P. Vestal, A. G. Vestal 1955-3-24 3451 D Orange Trabuco Canyon, about 5 miles east of El Toro. Comment
  UCR217457  Cryptantha clevelandii Mark A. Elvin 2003-1-26 2226 Orange South Coast, Irvine, UC Irvine Open Space Preserve, NE side, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  UCR267187  Cryptantha clevelandii Fred M. Roberts 2010-3-12 7179 Orange Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center 50 Comment
  RSA6632  Cryptantha clevelandii P. A. Munz, L. T. Street, G. Williams 1919-5-3 2619 Orange Santa Ana River Canyon. Comment
  POM3964  Cryptantha clevelandii var. florosa I. M. Johnston 1918-5-4 2214 Orange Hills back of Laguna Beach. 152 Comment
  UC1063976  Cryptantha intermedia A. Lewis 1934-3-1 386 Orange Borrego Canyon Corona Quad. 426 Comment
  UCR211967  Cryptantha intermedia Dick Newell, Don Millar 2010-2-23 002 Orange South Coast, Serrano Ridge, 3 mi west of Laguna Hills, 0.67 mi west of Languna Canyon Road, east of Shady Canyon 244 Comment
  UCR263772  Cryptantha intermedia Ed Kentner 2012-4-24 129 Orange Peninsular Range: Santa Ana Mountains, Lomas De Santiago, El Toro property 200 Comment
  RSA550608  Cryptantha microstachys Fred M. Roberts, Carol A. Roberts 1989-4-20 4305 Orange Santa Ana Mtns: Upper Lion Canyon along San Juan Trail just south of Blue Jay Campground, 2.5km SE Los Pinos Peak. 980 Comment
  RSA599588  Cryptantha microstachys Fred M. Roberts, Trish Smith, Garrett Nichols 1995-4-27 4936 Orange Irvine: San Joaquin Hills, Moro Canyon, Upper West Fork, c.a. 1.8 km SE Signal peak. 274 Comment
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Oct 25 2017
  UCR191005  Cryptantha muricata A. C. Sanders, Fred M. Roberts 2008-4-22 35024 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  RSA0079432  Cryptantha muricata var. jonesii A. C. Sanders, Fred M. Roberts 2008-4-22 35024 Orange Santa Ana Mtns.: Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado. 366 Comment
  POM178580  Cryptantha racemosa Marcus E. Jones 1930-3-3 s.n. Orange Santa Ana Mountains. Comment
  RSA487  Cucurbita foetidissima J. T. Howell 1927-7-28 504 Orange Near ranch houses, Rancho Santa Ana. 152 Comment
  RSA394308  Cucurbita foetidissima F. R. Fosberg 1931-6-12 S- 5093 Orange Lower Santiago Can. Comment
  RSA2918  Cupressus forbesii B. D. Stark 1931-6-10 2247 Orange Claymine Canyon, north end of Santa Ana Mts. 198 Comment
  RSA7201  Cupressus forbesii B. D. Stark 1933-3-17 4532 -C Orange Claymine Canyon, Santa Ana Mts. 609 Comment
  UC813435  Cupressus forbesii P. A. Munz and I. M. Johnston 1922-5-18 5566 Orange Santa Ana Mts. 457 Comment
  UCD133487  Cupressus forbesii C. B. Wolf 1935-1-2 6278 Orange Santa Ana Mts., slopes of Sierra Peak, W. of Claymine Canyon along road to peak. 670 Comment
  UCR132994  Cupressus forbesii Adrian Wolf 2000-6-1 469 Orange Santa Ana Mtns., North Ranch Policy Plan Area, West Fremont Canyon 534 Comment
  LA29279  Cupressus macrocarpa Mary V. Hood; 1940-11-29 40- 193 k* a,b,c. Orange Laguna Comment
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Jan 12 2015
  CAS-BOT-BC224409  Cuscuta californica Carl B. Wolf 1932-7-2 3820 Orange Carbon Canyon, 1/8 mi. below La Vida Springs 213 Comment
  RSA409706  Cuscuta californica George Price 1967-5-14 s.n. Orange Silverado Canyon Comment
  UC1543177  Cuscuta californica Donald G. Nelson 1936-7-9 437 Orange East Buena Park 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
  RSA409769  Cuscuta californica var. breviflora George Price 1967-5-17 s.n. Orange O'Neil Park Comment
  CDA39941  Cuscuta campestris T. C. Fuller 1958-8-5 5121 Orange North side of Orangethorpe Ave., east of Brookhurst Road, Anaheim. 0 Comment
  RSA70998  Cuscuta salina F. W. Peirson 1924-8-29 5080 Orange 2.5 miles from Balboa on road inland along creek. Comment
  UCSB59703  Cuscuta salina Tilforth, C. 1975-9-3 Orange Northeast shoreline of Upper Bay, Newport Beach, Orange County Comment
  CDA2109  Cuscuta subinclusa D. G. Kelch 2006-12-9 6 .558 Orange Irvine. University Dr along tidal creek just E of I-73. Comment
  RSA725513  Cuscuta subinclusa Fred M. Roberts, Robert L. Allen 2007-9-28 6617 Orange Lomas de Santiago: above lower Santiago Cyn. wash along Santiago Cyn. Rd. just south of Irvine Mesa, 3.3 km N Bolero Lookout. 332 Comment
  UC536956  Cuscuta subinclusa Lawrence M. Booth 1932-7-25 1316 Orange Santa Ana River Comment
  UC879591  Cuscuta subinclusa F. R. Fosberg 1929-12-21 S 2469 Orange Trabuco Canyon Santa Ana Mts. 500 Comment
  UCD54451  Cuscuta subinclusa R. Keith Glenn 1973-8-27 s.n. Orange 1 mile north of Barranca Rd. off Sand Canyon Rd. Comment
  SD51889  Cycloloma atriplicifolium Peter H. Raven 1961-10-15 16848 Orange Santa Ana River bed at Anaheim Street crossing, Anaheim. 60 Comment
  CAS-BOT-BC299755  Cynara cardunculus M. L. Conrad; D. B. Dunn 1973-6-13 7133 Orange Vicinity of Laguna Beach 152 Comment
  UCR4614  Cynara cardunculus John Dean 1965-1 s.n. Orange Hwy between Corona Del Mar & Santa Ana 23 Comment
  CAS-BOT-BC190297  Cynodon dactylon Ira L. Wiggins 1965-9-26 20253 Orange In Carbon Canyon about 3.5 miles above its mouth. Comment
  SD39904  Cynodon dactylon E. A. Purer 1932-8-31 4868 Orange Comment
  UCR246515  Cynodon dactylon Fred M. Roberts 2013-5-30 7778 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
  UCD60023  Cynodon dactylon Collector Unknown 1924-6-1 s.n. Orange De Tarr. Comment
  UCR174223  Cyperus eragrostis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33014 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
  UCR193032  Cyperus eragrostis A. C. Sanders, Mitch Provance 2008-5-20 35400 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
  UCR247877  Cyperus erythrorhizos Fred M. Roberts, Laura Cohen 2012-10-31 7713 Orange San Joaquin Hills, Upper Laguna Lake, north end. Laguna Coast Wilderness Park, c. 5.1 km east northeast of Signal Hill 113 Comment
  UCR247902  Cyperus involucratus Fred M. Roberts 2013-6-12 7792 Orange Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing. 320 Comment
  RSA5915  Cyperus laevigatus Carl B. Wolf 1932-7-2 3812 Orange Carbon Canyon, 1/8 mile below La Vida Springs [La Vida Mineral Springs]. 21 Comment
  CAS-BOT-BC114242  Cyperus laevigatus J. Ewan 1931-10-3 5197 Orange Choking stream bed below La Vida Soda Springs, Carbon Canyon. Comment
  SD87779  Cyperus niger F. W. Peirson 1924-10-19 5231 Orange Wintersberg; at wates edge in ditches. Comment
  RSA800673  Cyperus odoratus Justin M. Wood 2010-9-29 2748 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  UCR166792  Cyperus odoratus R. E. Riefner Jr. 2005-7-9 05- 551 Orange South Coast, city of Huntington Beach, Huntington Central Park, Goldenwest Street near Slater Avenue 1.5 Comment
  RSA0036013  Cyperus odoratus Robert F. Thorne 1977-11-21 50802 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  CAS-BOT-BC538088  Cyrtomium falcatum R. E. Riefner, Jr. 2012-2-2 12 -19 Orange City of Dana Point, cliff and rocky intertidal area N 0.2 mi of Salt Creek lagoon 8 Comment
  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
  RSA0106896  Cyrtomium falcatum R. E. Riefner Jr. 2012-2-2 12 -19 Orange City of Dana Point, cliff and rocky intertidal zone, N 0.2 mi of Salt Creek Lagoon. 8 Comment
  SD260851  Cyrtomium falcatum R. E. Jr. Riefner 2012-1-16 12 5 Orange City of Newport Beach, Corona Del Mar, beach area west of Morning Canyon Road. 0 Comment
  UCR182824  Cyrtomium falcatum R. E. Riefner Jr. 2006-9-5 06- 417 Orange Southern Coast, Corona del Mar, Ocean Blvd. near Iris Ave. 11 Comment
  RSA697678  Dactylis glomerata J. Russell Bruff 1935-06 s.n. Orange Santa Ana Comment
  RSA603365  Datisca glomerata Scott D. White, B. Leatherman 1997-6-12 5341 Orange East of San Juan Capistrano: San Juan Creek between Highway 74 bridge and Mission Vieja site, i.e., ca. 2 to 4 mi E of I-15 / Hwy 74 junction. 46 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
  CHSC116491  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). Comment
  IRVC27503  Datura stramonium Mark A. Elvin 2004-5-2 3417 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7km (air) NNW UC Irvine campus center. Southern Coastal 3 Comment
  JEPS12207  Datura stramonium Lawrence M. Booth 1932-7-30 1345 Orange near Newport Beach (Santa Ana River Basin); , near Newport Beach 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
  RSA650635  Datura wrightii Daniel Truong 1991-5-5 1 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of ''closed area''. Comment
  RSA733869  Datura wrightii Keith E. Hoffmaster 1934-7-3 4 Orange near Costa Mesa Comment
  SD236432  Datura wrightii A. C. Sanders, Fred M. Roberts 2008-6-17 35520 Orange Peninsular Range; Santa Ana Mtns.: middle section of Weir Canyon, SSE of Walnut Canyon Reservoir 224 Comment
  UCR193028  Datura wrightii A. C. Sanders, Fred M. Roberts 2008-6-17 35520 Orange Peninsular Range; Santa Ana Mtns., middle section of Weir Canyon, SSE of Walnut Canyon Reservoir 225 Comment
  HSC24274  Deinandra fasciculata James Henrickson 1970-7-24 5001 Orange 3 mi. NW of Huntington Beach near sandy 'Rabbit' Island in Bolsa Chica Salt Marsh near Inner Bolsa Bay 1 Comment
  UC1093919  Deinandra fasciculata Herbert L. Mason 1926-4-25 2932 Orange 5 mi s Laguna Comment
  UC303962  Deinandra fasciculata D. L. Crawford 1915-9-1 504 Orange Huntington Beach Comment
  UC536895  Deinandra fasciculata Lawrence M. Booth 1932-5-12 1038 Orange Newport Bay Comment
  CAS-BOT-BC299325  Deinandra fasciculata Louis C. Wheeler 1932-6-25 861 Orange Bluff overlooking Newport Bay 7 Comment
  CAS-BOT-BC383061  Deinandra paniculata R. E. Riefner, Jr. 2014-7-10 14 -236 Orange City of Laguna Beach, Laguna Canyon, Laguna Coast Wilderness Park, Laurel Canyon Trail near Post-Marker C, SW ca. 0.1 mi from the intersection of Laguna Canyon Rd. and El Toro Rd. 75 Comment
  CAS-BOT-BC383062  Deinandra paniculata R. E. Riefner, Jr. 2008-5-19 08 -101 Orange Ladera Ranch, Cecil Pasture at Jerome Rd. 157 Comment
  UCR146881  Deinandra paniculata Kathleen Stockwell 1999-5-30 s.n. Orange South Coast, north of Cristianitos Road, San Clemente 61 Comment
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Jan 8 2013
  RSA581442  Delphinium parryi Fred M. Roberts 1989-5-12 4361 Orange Santa Ana Mountains: Santiago Canyon, Flemming Regional Park, just E of Modjeska at end of paved road, ca. 3.3 km WSW Laurel Springs. 430 Comment
  CAS-BOT-BC121417  Delphinium parryi subsp. parryi P. C. Everett 1935-5-19 6871 Orange Santa Ana Mtns., Baker Canyon, West Ladd truck trail 304 Comment
  RSA400033  Delphinium patens subsp. hepaticoideum Albert J. Perkins 1913-4-19 s.n. Orange Trabuco Canyon. Comment
  UC484251  Delphinium patens subsp. hepaticoideum C. B. Wolf 1931-3-6 1856 Orange 1/2 mi below Trabuco Camp Grounds (w slope of mts); Santa Ana Mts., Trabuco Canyon 609 Comment
  RSA652150  Dendromecon rigida J. Bruce Smiley 1940-4-28 s.n. Orange Santa Ana Canyon (mouth). 701 Comment
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Nov 6 2013
  RSA433238  Dendromecon rigida subsp. rigida Christopher Davidson 1977-5-18 5603 Orange Santa Ana Mts. Cleveland Nat. Forest. Pleasants Peak (on Orange-Riverside Co. line). 1220 Comment
  JEPS53438  Descurainia pinnata subsp. halictorum Alice King Mar 1908 Orange Santiago Creek; Santa Ana Mts. Comment
  JEPS89268  Descurainia pinnata subsp. menziesii Rimo Bacigalupi and P. C. Hutchison 1962-3-16 8234 Orange 2 mi. n. Doheny Beach State park (over ridge from ocean along U.S. 101) Comment
  RSA0014989  Dicentra chrysantha Fred M. Roberts 2008-5-20 6989 Orange Lomas de Santiago: Santiago Creek wash north of Hanging Man's Tree Road near confluence of Pancho Cyn., 1.6 km NW Bolero Lookout. Irvine Ranch Conservancy. 349 Comment
  CAS-BOT-BC402524  Dicentra ochroleuca John Thomas Howell 1928-7-10 4079 Orange At head of Black Star Canon [Canyon], Santa Ana Mts. 701 Comment
  RSA1322  Dicentra ochroleuca J. T. Howell 1928-7-10 1096 Orange Black Star Canyon, Santa Ana Mts. 701 Comment
  RSA433600B  Dicentra ochroleuca Freda Detmers 1931-6-19 s.n. Orange Santa Ana Valley. Comment
  UCR223432  Dichelostemma capitatum Dick Newell, Don Millar 2011-2-8 054 Orange Peninsular Range; Santa Ana Mtns., MWD road overlooking Boy Scout Camp, just east of outdoor education property, 1.5 mi. NW (312 deg. ) of Irvine Lake dam 257 Comment
  RSA367484  Dichelostemma capitatum subsp. capitatum Christopher Davidson 1977-5-18 5626 Orange Santa Ana Mts. Cleveland Nat. Forest. Bear Springs 1220 Comment
  JEPS73759  Digitaria sanguinalis L. M. Booth 1932-6-28 1210 Orange Bolsas Creek Comment
  SD245206  Digitaria sanguinalis R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49611 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station. Comment
  SD220053  Diospyros lycioides subsp. lycioides Mark A. Elvin 2004-5-2 3418 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and Universit Drs., 1.7 km (air) NNW UC Irvine campus center. 3 Comment
  SD220027  Diplachne fusca var. uninervia Mark A. Elvin 2004-5-2 3425 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7 km (air) NNW UC Irvine campus center. 3 Comment
  SD139996  Diplacus aurantiacus B. Pitzer, S. Hemstreet 1992-5-27 1962 Orange Cleveland National Forest, Along road (3S04) to Blue Jay Campground, off State Hwy 74 (Ortega Hwy). Ca. 2 mi. (airline) W of El Cariso Campground 762 Comment
  SEINET13682959  Diplacus aurantiacus R. Nelson, Baumann, Kondratieff, Sargent 1988-1-12 5117 Orange Cleveland NF, San Juan Creek at Lower San Juan Campground. 366 Comment
  RSA0045521  Diplacus aurantiacus Jeanne Paxton 1934-4-21 s.n. Orange Modjeska Canyon. PR8. Comment
  CAS-BOT-BC150283  Diplacus longiflorus B. Pitzer 1996-4-30 2801 Orange Crystal Cove State Park, S of City of Irvine on State Hwy 1 (=Pacific Coast Hwy.) 15 Comment
  SBBG28885  Diplacus puniceus N. C. Cooper 1944-6-4 1321 Orange Elsinore Mtn, Lookout at top 1066 Comment
  RSA0054842  Diplacus puniceus Thelma Shipe 1932-4-22 s.n. Orange Santiago Canyon. Comment
  RSA605374  Diplotaxis muralis A. C. Sanders 1990-10-6 10186 Orange Newport Bay, North Star County Beach area on the SW end of the bay, ca. 2 km inland of Hwy 1 1 Comment
  UC1215212  Diplotaxis muralis Peter H. Raven 1962-3-27 16992 Orange near Anaheim (Rancho Santa Ana); Rancho Santa Ana 182 Comment
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Mar 18 2011
  UCR91554  Diplotaxis muralis A. C. Sanders 1990-10-6 10186 Orange Newport Bay, North Star County Beach Area on the SW end of the Bay, c. 2 km inland of Hwy 1. 3 Comment
  RSA0120555  Distichlis littoralis Elisabeth Norland 1929-3-16 s.n. Orange Huntington Beach. 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
  RSA735749  Distichlis spicata A. C. Sanders, Fred M. Roberts 2008-6-17 35495 Orange 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
  UC537120  Distichlis spicata Lawrence M. Booth 1932-5-25 1116 Orange Balboa Island, newport Bay Comment
  UC971746  Distichlis spicata L. M. Booth 1932-5-25 1116 Orange Balboa Island, Newport Bay Comment
  UCSB47954  Distichlis spicata Roberts, D. 1980-5-4 Orange North end of Camino Capistrano Rd; 2nd telephone pole from the end 30 Comment
  UCD64389  Distichlis spicata var. stolonifera A. A. Beetle 1942-4-19 3099 Orange Rt. 101. 5 miles south of Laguna Beach. 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
  UCSB47596  Drymocallis glandulosa var. reflexa Roberts, Fred 1980-5-3 Orange Santa Ana Mtns., San Juan Canyon: below Rte. 74, 2.5km by road ENE San Juan Guard Station; 0.5km WSW Bm 1100 288 Comment
  POM366539  Drymocallis glandulosa var. wrangelliana Christopher Davidson 1977-5-18 5633 Orange Santa Ana Mts. Cleveland National Forest, Falcon campground 1006 Comment
  IRVC128  Dryopteris arguta C. Thompson 1965-4-15 Orange Trabuco Canyon. Santa Ana Mountains Comment
  IRVC25312  Dryopteris arguta Fred M. Roberts 1987-3-27 3278 Orange Canada de Los Alisos; Canada Rd., 4.5km NNE El Toro Fire Station. Southern Coastal 226 Comment
  UCSB48105  Dryopteris arguta Fritzke, S.; Roberts, Fred 1982-4-3 Orange Santa Ana Mtns.: San Juan Canyon, 2.4km ENE San Juan Guard Station; 0.3km WSW Bench Mark 1100. 88 Comment
  UC1015141  Dudleya Reid Moran 1949-5-28 3257 Orange Alsio Canyon Laguna Beach Comment
  LA204783  Dudleya blochmaniae subsp. blochmaniae None; 1951-4-26 sn Orange Salt Creek Beach, Laguna Comment
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Nov 15 2013
  RSA278324  Dudleya lanceolata C. W. Tilforth, W. Wisura 1979-5-23 s.n. Orange Mouth of Aliso Canyon, south Laguna. Comment
  RSA716782  Dudleya lanceolata Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill 2004-6-19 6063 Orange Santa Ana Mtns.: Holy Jim Cyn.: Holy Jim Trail, 3.1km SE summit of Santiago Peak. 695 Comment
  UC933254  Dudleya lanceolata Reid Moran 1948-6-23 3093 Orange Arch Beach Comment
  UCR240110  Dudleya lanceolata Dick Newell, Judy Booth 2012-6-3 261 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
  UCSB37819  Dudleya lanceolata Roos, John 1965-6-16 Orange Dana Point Comment
  CAS-BOT-BC411400  Dudleya lanceolata E. K. Balls 1949-5-21 13470 Orange Botanic Garden, hillside E of Cactus Gerden, Santa Ana River canyon 198 Comment
  RSA397818  Dudleya multicaulis F. W. Peirson 1922-5-18 3071 Orange Santa Ana River. 122 Comment
  RSA747594  Dudleya multicaulis Fred M. Roberts 2000-5-19 5327 Orange Lomas de Santiago: Loma Ridge, ridge west of Bee Peak above Bee Cyn. landfill, 0.2 km W Bee Peak. 500 Comment
  RSA751169  Dudleya multicaulis D. E. Bramlet 2008-5-20 4280 Orange N Loma Ridge, 305m west of Hwy 241, 976m south of Santiago Cyn Rd. & 61m N of the access road. 355 Comment
  CAS-BOT-BC109741  Dudleya stolonifera R. V. Moran 1949-7-2 3286 Orange Laguna Canyon. 1.7 mile below Toro Road Junction, 1.5 mile above canyon mouth. 243 Comment
  CAS-BOT-BC213761  Dudleya stolonifera Reid Venable Moran 1948-6-23 3095 Orange near mouth of Aliso Canyon, south of Laguna Beach 7 Comment
  LA202504  Dudleya stolonifera Reid Moran; 1949-7-2 3287 Orange near mouth of Aliso Canyon, S of Laguna Beach Comment
  SEINET10576510  Dudleya stolonifera Reid Moran 1948-1 Orange Comment
  IRVC26520  Dudleya virens subsp. hassei Mark A. Elvin 2004-5-22 3448 Orange UCI Arboretum Southern Coastal 15 Comment
  CAS-BOT-BC109767  Dudleya viscida Carl B. Wolf 1936-6-17 7948 Orange Santa Ana Mountains, along Ortega Highway, 0.6 mile below San Juan Hot Springs. 182 Comment
  RSA0045323  Echinochloa Keith E. Hoffmaster 1940-7-22 961 Orange Santa Ana Comment
  CAS-BOT-BC197029  Echinochloa colona Ira L. Wiggins 1965-10-2 20269 Orange Curbway at corner of Longview Drive and Dorothy Lane, Fullerton Comment
  UCR219856  Echinochloa colona Fred M. Roberts 2008-6-3 7031 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, East Fork Rattlesnake Canyon, c. 2.6 km NE Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak 225 Comment
  CAS-BOT-BC197176  Echinochloa crus-galli Ira L. Wiggins 1965-11-7 20356 Orange Between State College Blvd. and Troy High School campus, Fullerton Comment
  IRVC26902  Echinodorus berteroi D. E. Bramlet 1990-10-17 2063 Orange Delhi Channel at the intersection of Irvine Ave. & Mesa Drive, just W of Newport Beach Golf Course. 6 Comment
  RSA532554  Echinodorus berteroi David E. Bramlet 1990-10-17 2063 -1 Orange Newport Beach: Delhi Channel at the intersection of Irvine Ave. and Mesa Drive just west of Newport Beach Golf Course. 6 Comment
  RSA794758  Echinodorus berteroi Justin M. Wood, Dustin M. Ray 2010-10-1 2775 Orange Santa Ana Canyon: Santa Ana River plus/minus 1 mi downstream of Gypsum Canyon Bridge, just upstream of large commercial development. Near drain outflow from Flood Control Levee on south side of channel. 110 Comment
  UCR19807  Echinodorus berteroi F. M. Reed 1924-8-15 4963 Orange South Coast, Laguna Lake Beds, Laguna Canyon Comment
  SEINET10456473  Echium Chester T. Dziekanowski, David B. Dunn; Charlene A. Bennett 1976-7-21 Dziekanowski 2416 Orange Collected around the condominium-Pacific Island Estates in Laguna Niguel. Comment
  RSA718968  Eclipta prostrata Fred M. Roberts, Robert L. Allen 2006-10-8 6412 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
  SEINET10753656  Ehrharta calycina Scott D. White, M. Honer 2003-6-12 White 9542 Orange Southwestern Santa Ana Mts Foothills: Rancho Mission Viejo. Upper end of Trampas Canyon. (San Clemente.) 152 Comment
  RSA751986  Ehrharta erecta Fred M. Roberts, Eliza Maher 2008-3-26 6798 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 71 Comment
  SEINET9258835  Ehrharta erecta R. E. Riefner Jr. 2012-1 12 -15 Orange City of Dana Point, Dana Point Harbor, civinity of Puerto pl. and Dana Point Harbor Drive 2 Comment
  UCR132570  Ehrharta erecta Robert DeRuff 2002-5-2 538 Orange Southern Coast, Newport Back Bay, near 23rd Street 21 Comment
  UCR240173  Ehrharta erecta R. E. Riefner Jr. 2012-2-1 12- 15 Orange South Coast, city of Dana Point, Dana Point Harbor, vicinity of Puerto Pl. and Dana Point Harbor Drive 2 Comment
  UCR193790  Eleocharis A. C. Sanders, Fred M. Roberts 2008-7-3 35701 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
  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
  UC1784199  Eleocharis macrostachya Donald G. Nelson 1935-4-15 307 Orange on road from Garden Grove to Costa Mesa, converging near Costa Mesa, toward main highway from Santa Ana Comment
  UC217855  Eleocharis macrostachya P. A. Munz 1922-9-2 6354 Orange Laguna Canyon, ponds in Comment
  RSA365351  Eleocharis montevidensis var. montevidensis Anstruther Davidson 1926-05 s.n. Orange St Ana River Comment
  RSA735160  Eleocharis palustris A. C. Sanders, Fred M. Roberts 2008-5-6 35240 Orange Lomas de Santiago, Loma Ridge, head of Hicks Canyon, south of Santiago Reservoir 351 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
  CAS-BOT-BC112162  Eleocharis radicans John Thomas Howell 1927-7-6 2659 Orange Wet soil in Santa Ana River bottom, Santa Ana Canon 152 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
  CAS-BOT-BC112211  Eleocharis rostellata John Thomas Howell 1927-7-21 2807 Orange Marsh, Santa Ana River bottom, Santa Ana Canyon 152 Comment
  RSA743555  Eleusine coracana subsp. africana R. E. Riefner 2004-8-28 4 -407 Orange City of Fountain Valley, Newland Ave. at Edinger St. 14 Comment
  RSA746529  Eleusine coracana subsp. africana R. E. Riefner Jr. 2008-12-23 8 -382 Orange City of Lake Forest, along Alton Pkwy, at Barranca Rd. 80 Comment
  UCR236681  Eleusine indica Fred M. Roberts, Sandra L. Leatherman 2008-9-17 7103 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
  RSA697745  Ellisia chrysanthemifolia Minor Warne 1934-03 s.n. Orange Laguna Canyon Comment
  RSA108342  Elymus X gouldii Frank W. Gould 1943-4-17 2100 Orange Railroad siding 7 miles northeast of Amahim. Comment
  UCR73122  Elymus condensatus Scott D. White 1992-9-23 839 Orange Vicinity of Olinda, near city of Brea, immediately north of Carbon Canyon Road and east of Placentia Ave.; c. 1 mi. (airline) SSE of Tonner Canyon 183 Comment
  RSA539359  Elymus glaucus subsp. glaucus Fred M. Roberts 1988-6-9 4069 Orange Santa Ana Mountains: Main Divide Truck Trail, Upper Silverado Canyon, 1.9 kilometer N Modjeska Peak., UTM 3733000mN, 449500mE 1128 Comment
  RSA797826  Elymus glaucus subsp. glaucus R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49815 Orange Santa Ana Mountains: Trabuco Canyon Comment
  UCR86996  Elymus hispidus B. G. Pitzer, Stu Hemstreet 1992-5-27 1968 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, along Forest Service Road 3S04 to Blue Jay Group Campground, off Hwy 74 (Ortega Hwy), c. 2 mi west of El Cariso Campground 765 Comment
  CAS-BOT-BC234138  Elymus multisetus John Thomas Howell 1927-6-8 2453 Orange Southern Puente Hills in the Santa Ana Canyon 152 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
  CAS-BOT-BC131230  Encelia californica Helen D. Geis 1902-1-1 s.n. Orange Santiago Creek Comment
  HSC5474  Encelia californica J. W. Johnson 1961-3-29 Orange Newport Beach, slope overlooking Upper Newport Bay. Comment
  RSA749287  Encelia californica Fred M. Roberts, David E. Bramlet 2008-4-1 6835 Orange Lomas de Santiago: Loma Ridge, Upper Hicks Cyn. along Haul Road, 1.0 km NNW Bee Peak, Irvine Ranch Conservancy. 341 Comment
  RSA785305  Encelia californica Doris Bowers 1957-5-16 943 Orange Corona Del Mar 3 Comment
  RSA799951  Encelia californica D. M. Ray 2011-1-19 3 Orange South Coast: Santa Ana River: along right of way road just west of Least Tern Island. 0 Comment
  LA205846  Encelia farinosa A. M. Johnson; 1932-4-23 4031 Orange N of Orange Comment
  UCR193492  Epilobium ciliatum A. C. Sanders, T. B. Salvato 2008-5-13 35359 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
  POM210924A  Epipactis gigantea L. M. Booth 1932-6-4 1150 Orange Newport Lagoon. Comment
  UCR193837  Epipactis gigantea A. C. Sanders, Fred M. Roberts 2008-7-16 35844 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  SD245191  Epipactis gigantea R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49608 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Comment
  SD245160  Equisetum arvense R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49566 Orange Santa Ana Mountains: San Joan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  RSA0031655  Equisetum funstonii Keith E. Hoffmaster 1937-4-11 749 Orange Black Star Can., Santa Ana Mts. Comment
  RSA752896  Equisetum laevigatum A. C. Sanders, Fred M. Roberts 2008-8-7 35987 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate 185 Comment
  IRVC14871  Equisetum laevigatum Gordon A. Marsh, K. G. Marsh 1976-7-8 s.n. Orange Santa Ana mtns: 2.7 mi e of San Juan Guard Station on CA 74. Peninsular Ranges Comment
  RSA699858  Equisetum laevigatum Dorothy Parsons 1932-4-5 s.n. Orange Santa Ana River Bank Comment
  CHSC116469  Eragrostis mexicana subsp. virescens R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49567 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  UCD64353  Eragrostis pectinacea var. pectinacea Beecher Crampton 1967-5-23 7954 Orange 4 miles east of Irvine UC South Coast Field Station. Comment
  UC908507  Eriastrum sapphirinum John Thomas Howell 1927-6-9 2471 Orange Santa Ana Canyon Rancho Santa Ana 213 Comment
  UCR193057  Eriastrum sapphirinum A. C. Sanders, Fred M. Roberts 2008-6-17 35505 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, Windy Ridge Rd., saddle on ridge at head, above the Eastern Transportation Corridor 400 Comment
  RSA0013856  Eriastrum sapphirinum subsp. dasyanthum Fred M. Roberts 2012-5-10 7564 Orange San Joaquin Hills: Buck Gully, S Fork, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive. 183 Comment
  RSA0121314  Eriastrum sapphirinum subsp. dasyanthum E. K. Balls 1949-6-16 13477 Orange Growing spontaneously in Botanic Garden (on trail from Skyline Drive to Adolphia), Santa Ana River Canyon. 274 Comment
  RSA0121315  Eriastrum sapphirinum subsp. dasyanthum L. M. Booth 813 Orange Santa Ana Canyon. Comment
  CAS-BOT-BC286881  Ericameria ericoides John Thomas Howell 1927-9-24 3114 Orange Hills on n. side of Santa Ana Canon [Canyon] 213 Comment
  CAS-BOT-BC299500  Ericameria palmeri var. pachylepis Carl B. Wolf 1931-10-30 2944 Orange Rancho Santa Ana, Santa Ana Canyon 207 Comment
  POM201792  Ericameria palmeri var. pachylepis L. M. Booth s.n. Orange Newport Beach Comment
  SEINET7073539  Ericameria palmeri var. pachylepis A. G. Vestal 1963-3-27 s.n. Orange Ridge above Cai+-ada Gobernadora. About 6.2 miles up. UTM Zone 11, 446709mN, 3718372mN. Coordinate datum: NAD27. Comment
  RSA167489  Ericameria parishii R. F. Thorne, John Olmsted 1963-7-26 32830 Orange Santa Ana Mts., Cleveland National Forest, Trabugo District. 1189 Comment
  RSA0061165  Ericameria parishii Robt. Allen 2007-8-11 s.n. Orange Santa Ana Mountains region: Silverado Canyon. Along Maple Springs Road (5S04). 1227 Comment
  UCR58719  Ericameria pinifolia Reid Moran, G. Marsh, Jack L. Reveal 1977-6-13 24231 Orange Willow Canyon, tributary of Laguna Canyon. 125 Comment
  UCSB52475  Ericameria pinifolia Roberts, Fred 1982-10-14 Orange Laguna Beach; Temple Hill, east flank, 1.0km NNW Top of the World School; 1.9km ESE Bench Mark 104 244 Comment
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Jan 25 2020
  UCR221895  Erigeron foliosus Dick Newell, Don Millar 2010-10-12 44 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Limestone Canyon Rd. 1 mile due west of Santiago Canyon Rd. 343 Comment
  UCR237810  Erigeron foliosus Dick Newell, Don Millar 2012-6-5 268 Orange Peninsular Range; Santa Ana Mtns., Loma Ridge East, 0.35 mi. due east of Hicks Haul Rd. 411 Comment
  CAS-BOT-BC33457  Erigeron foliosus var. foliosus LeRoy Abrams 1901-6-16 1801 Orange Trabucco Canyon Comment
  RSA648191  Erigeron foliosus var. stenophyllus Karl Price 1988-5-7 30 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. 304 Comment
  RSA68305  Erigeron foliosus var. stenophyllus G. R. Campbell 1951-5-30 16097 Orange San Juan Canyon, Ortega Hwy, 4 mi. inside west border of Cleveland National Forest 152 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
  CAS-BOT-BC189120  Eriodictyon crassifolium var. crassifolium Agnes M. Bowman 1899-6-1 s.n. Orange In Santiago Canyon Comment
  RSA211  Eriogonum elongatum J. T. Howell 1927-9-24 741 Orange Santa Ana Botany Garden 152 Comment
  UCR222864  Eriogonum elongatum T. B. Salvato 2010-10-27 5135 Orange South Coast, Dana Point Headlands, Hilltop Park, north of Scenic Dr. and west of Green Lantern St., overlooking Dana Point Harbor 84 Comment
  SEINET182348  Eriogonum fasciculatum Lawrence M. Booth 1932-5-18 1057 Orange Newport bay Bluff Slopes Comment
  UCR222389  Eriogonum fasciculatum Mark A. Elvin 2003-1-26 2243 Orange South Coast, Irvine, UC Irvine Open Space Preserve, NE side, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  SEINET6418403  Eriogonum fasciculatum var. fasciculatum Lott, Velasco, Pinkava 1966-8-22 2557 Orange 1/2 miles south of Dana Point Comment
  CAS-BOT-BC249943  Eriogonum fasciculatum var. foliolosum Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canon [Canyon] Comment
  CAS-BOT-BC249944  Eriogonum fasciculatum var. foliolosum John Thomas Howell 1927-7-24 2835 Orange Santa Ana Canyon 152 Comment
  HSC17271  Eriogonum fasciculatum var. foliolosum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23062 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  RSA214  Eriogonum fasciculatum var. foliolosum J. T. Howell 1927-7-24 474 Orange Santa Ana River bottom near Rancho Santa Ana. 152 Comment
  RSA0061164  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
  POM18087  Eriogonum nudum var. pauciflorum P. A. Munz 1923-9-7 7750 Orange Santiago Peak, Santa Ana Mountains. 1646 Comment
  RSA539352  Eriogonum nudum var. pauciflorum Fred M. Roberts, Richard E. Riefner 1988-7-9 4118 Orange Santa Ana Mountains: Upper Silverado Canyon, Maple Springs Truck Trail, 11.5 km above Silverado Gate, 1.1 km NNW Modjeska Peak. 1350 Comment
  SD133035  Eriogonum parvifolium Andy C. Sander 1990-10-6 10179 Orange newport Bay, Westcliff Park area on the SW end of the bay, ca. 1 km in land of Hwy 1. 0 Comment
  POM49170  Eriogonum parvifolium var. parvifolium I. M. Johnston 1924-7-10 s.n. Orange 1/2 mile S mouth Aliso Canyon. Comment
  RSA783663  Eriogonum virgatum J. D. Olmsted 1959-8-26 832 Orange Black Star Creek: Near Hidden Ranch along Black Star Canyon Road in Black Star Canyon in roadside cliffs. 671 Comment
  CAS-BOT-BC297331  Eriophyllum confertiflorum L. R. Abrams 1901-6-15 1834 Orange Santiago Peak Comment
  CAS-BOT-BC297332  Eriophyllum confertiflorum Helen D. Geis 1902-12-1 s.n. Orange Santiago Creek Comment
  POM357960  Eriophyllum confertiflorum E. A. McGregor 1966-5-15 s.n. Orange Ortega Highway, between Lake Elsinore and San Juan Capistrano. Comment
  RSA16348  Eriophyllum confertiflorum Percy C. Everett 1935-6-18 7185 Orange Santa Ana Mountains. Main divide motorway to Santiago Peak, 1 mile from Ortega Highway. 732 Comment
  RSA638972  Eriophyllum confertiflorum var. confertiflorum Valerie L. Soza, LeRoy Gross 1999-6-8 495 Orange Santa Ana Mountains: Santiago and Modjeska Canyons, above Tucker Wildlife Sanctuary, above the town of Modjeska 518 Comment
  RSA748805  Erodium botrys G. Gust, L. Nye 2005-3-12 566 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  RSA734013  Erodium cicutarium A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34622 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
  HSC7249  Erodium moschatum C. L. Hitchcock 1966-3-15 24138 Orange 1/2 mi. E of Brea Comment
  RSA423  Erodium moschatum J. T. Howell 1928-2-7 824 Orange Near the ranch houses, Rancho Santa Ana 152 Comment
  SD136131  Erythranthe floribunda Dylan T. Hannon 1992-6-12 165 Orange Arroyo Trabuco, below Santa Margarita Parkway Bridge Comment
  UCR188899  Erythrina caffra Robert DeRuff 2007-10-24 s.n. Orange Southern Coast, Newport Beach, Upper Newport Back Bay. Back Bay Drive, c. 0.3 km E of the junction with Eastbluff Drive 6 Comment
  UCR191364  Eschscholzia californica A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34625 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
  UCR192999  Eschscholzia californica A. C. Sanders, T. B. Salvato 2008-5-13 35379 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
  UCR267212  Eschscholzia californica Fred M. Roberts, Lee Ann Caranza 2009-4-7 7139 Orange South Coastal Region, DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor 65 Comment
  POM256959  Eschscholzia californica var. peninsularis W. Pequegnat 1940-4-15 s.n. Orange SW face of Modjeska Peak, Santa Ana Mts. 1524 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
  UCR130355  Eucalyptus citriodora A. C. Sanders, Mark A. Elvin 2003-10-12 27312 Orange Southern Coastal Slope, Irvine, UCI Arboretum, UCI campus near intersection of Jamboree Blvd. and Campus Dr. 15 Comment
  UCR132571  Eucalyptus megacornuta Robert DeRuff 2001-4-16 527 Orange Southern Coast, Newport Back Bay, Shellmaker Island 1 Comment
  UCR50904  Eucalyptus tereticornis Dave Goodward 1987-4-16 4 Orange Irvine Ranch, Boy Scout Camp in Peters Canyon, east of Tustin and c. 1 mi NE of the Irvine Blvd/Myford Road intersection 122 Comment
  POM202027  Eucrypta chrysanthemifolia L. M. Booth 1932-5-19 1063 Orange Newport Bay Comment
  UCR190979  Eucrypta chrysanthemifolia A. C. Sanders, Fred M. Roberts 2008-4-22 34995 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
  UC421675  Eucrypta chrysanthemifolia var. chrysanthemifolia John Thomas Howell 1927-6-21 2566 Orange Santa Ana Canyon Comment
  JEPS33692  Eulobus californicus John Thomas Howell 1927-6-26 2594 Orange Clyamine Canyon n. Santa Ana Mts. 304 Comment
  RSA708445  Euphorbia albomarginata Mark Elvin 2004-5-2 3248 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
  RSA220976  Euphorbia crenulata E. W. Lathrop 1966-4-6 6143 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  RSA0038515  Euphorbia misera R. E. Riefner Jr. 2012-10-16 12 -518 Orange city of Dana Point, Dana Point Harbor, 'Bluff Top Trail' located near Camino Capistrano and Violet Lantern Streets 35 Comment
  RSA173967  Euphorbia misera Percy C. Everett 1963-9-25 33210 Orange Dana Point 61 Comment
  RSA719422  Euphorbia misera Fred M. Roberts, Lee Ann Caranza 2006-10-25 6455 Orange Dana Point Headlands south of Margarite Drive, 0.6km W Marine Institute and 1km SW Cook Sch. 58 Comment
  SD126575  Euphorbia misera Virginia S. Moran, Karen L. Miner 1989-1-29 Orange city of Newport Beach, Corona del Mar State Beach, Inspiration Point, on SSW-facing sandy ocean bluff 29 Comment
  SEINET7249217  Euphorbia misera R. E. Riefner Jr. 2012-1 12 -518 Orange City of Dana Point, Dana Point Harbor, 'Bluff Top Trail' located near Camino Capistrano and Violet Latern Streets. 35 Comment
  UCD170887  Euphorbia misera R. E. Riefner Jr. 2013-1-16 13 -16 Orange South Coast, city of Newport Beach, vicinity of Poppy Ave. and Ocean Blvd., coastal bluff at Little Corona Beach. 3 Comment
  SBBG128746  Euphorbia misera R. E. Riefner Jr. 2012-10-16 12 -518 Orange City of Dana Point, Dana Point Harbor, 'Bluff Top Trail' located near Camino Capistrano and Violet Lantern Sts 35 Comment
  IRVC9192  Euphorbia peplus B. Gittins 1963-3-22 63 Orange Orange Coast College Campus. Costa Mesa Comment
  UCD142472  Euphorbia peplus R. Townsend 1939-12-28 152 Orange Yorba Linda. 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
  RSA697597  Euphorbia polycarpa Anonymous s.n. Orange Orange County park Comment
  RSA732073  Euphorbia polycarpa A. C. Sanders, Fred M. Roberts 2008-3-25 34560 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  UCD142814  Euphorbia serpillifolia P. B. Kennedy 1925-7-27 s.n. Orange Santa Ana. 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
  RSA944  Euthamia occidentalis J. T. Howell 1927-10-29 777 Orange Bryant Ranch near Long Beach. 15 Comment
  SD255109  Euthamia occidentalis R. F. Thorne 1977-11-21 49982 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp. Comment
  UCR239641  Festuca Fred M. Roberts 2012-5-9 7558 Orange Santa Ana Mountains, Lake Forest, along Serrano Creek hiking trail, 1.0 m south-southwest of intersection of Commercentre and Dimension Drives 171 Comment
  UCR102442  Festuca myuros Scott D. White 1997-3-26 4815 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
  CAS-BOT-BC474738  Ficus microcarpa R. E. Riefner, Jr. 2015-8-29 15 -368 Orange City of Rancho Santa Margarita, Trabuco Marketplace, Rancho Santa Margarita Blvd. at Plano Trabuco 363 Comment
  RSA0113947  Ficus microcarpa R. E. Riefner Jr. 2015-7-18 15 -198 Orange City of Costa Mesa, Anton Blvd. on ramp to 405 Freeway, ca. 0.3 mi from interesction of Bristol St at Sunflower Ave. 11 Comment
  RSA0116286  Ficus microcarpa R. E. Riefner Jr. 2015-8-30 15 -377 Orange City of Anaheim, Pearson Park, near center of park, N of North Helena St. and West Cypress St. 45 Comment
  UC2046888  Ficus microcarpa R. E. Riefner Jr. 2015-8-27 15 -359 Orange City of Newport Beach, Corona del Mar, on Marguerite Ave. between Fifth Ave. and Fourth Ave. Comment
  CAS-BOT-BC414247  Ficus rubiginosa R. E. Riefner, Jr. 2011-8-25 11 -119 Orange City of Laguna Beach, Aliso Creek Park, rocky and bluff between Aliso Beach Park and West St. 7 Comment
  RSA797822  Filago gallica R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49811 Orange Santa Ana Mountains: Trabuco Canyon Comment
  UCR192091  Filago gallica A. C. Sanders, Fred M. Roberts 2008-5-6 35257 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  RSA703732  Foeniculum vulgare Fred M. Roberts, D. E. Bramlet 2004-7-30 6092 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Cristianitos Cyn., parking area at Gato Gate and 0.06 km W Cristianitos Road. 96 Comment
  UCR222860  Foeniculum vulgare T. B. Salvato 2010-10-27 5132 Orange South Coast, Dana Point Headlands, Hilltop Park, north of Scenic Dr. and west of Green Lantern St., overlooking Dana Point Harbor 84 Comment
  RSA391383  Frankenia grandifolia F. R. Fosberg 1930-7-10 S 3199 Orange Anaheim Landing. [Now Seal Beach, Orange County. Los Angeles Co. on label] Comment
  RSA391397  Frankenia grandifolia Ella M. Kennedy 1923-5-14 s.n. Orange Laguna Beach. Comment
  RSA391400  Frankenia grandifolia Albert J. Perkins 1923-6-28 s.n. Orange Laguna Beach. Comment
Read comments
Jul 15 2013
  RSA391401  Frankenia grandifolia Joseph A. Ewan 1932-7-28 7701 Orange Corona Del Mar Comment
  RSA5241  Frankenia grandifolia Carl B. Wolf 1932-9-13 4029 Orange Bryant Ranch: Triangle of waste ground S of Bryant Ave., & 1/2 mi. west of Los Alamitos Blvd. 8 Comment
  PASA432  Frankenia grandifolia var. campestris Frank W. Peirson 1924-5-31 Orange Laguna Canyon 91 Comment
  RSA81007  Frankenia grandifolia var. campestris F. W. Peirson 1924-8-29 5072 Orange roadside 4 miles south of Santa Ana. Comment
  CAS-BOT-BC223804  Frankenia salina Joseph Andorfer Ewan 1932-7-28 7701 Orange Corona del Mar Comment
  RSA689536  Frankenia salina R. E. Riefner Jr. 2002-5-4 20 -95 Orange Upper Newport Bay, Jamboree Rd at Bayview Dr. 15 Comment
  SD82963  Frankenia salina C. Davidson 1970-7-25 1494 Orange Bolsa Chica; Signal oil field. Comment
  RSA696741  Franseria bipinnatifida Minor Warne 1934-04 s.n. Orange Corona Del Mar Comment
  RSA716728  Fraxinus Fred M. Roberts 2005-5-13 6186 Orange San Juan Capistrano; Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  CAS-BOT-BC217643  Fraxinus dipetala Munz; Street; Williams 1919-5-3 2667 Orange Santa Ana River Canyon 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
  RSA12722  Fraxinus dipetala Carl B. Wolf 1934-9-21 6139 Orange Silverado canyon, 1/2 mile below Silverado Motorway, W slope of Santa Ana Mts. 640 Comment
  RSA464916  Fraxinus dipetala Albert J. Perkins 1923-6-24 s.n. Orange Silverado Canyon Comment
  SFV17927  Fraxinus dipetala J. N. Hogue 1999-4-9 136 .1 Orange Santa Ana Mountains Silverado Canyon. Above Pine Canyon along Maple Springs Road. 700 Comment
  CDA9409  Fraxinus uhdei D. G. Kelch 2006-12-9 6 .569 Orange Irvine. University Dr along tidal creek just E of I-73. Comment
  RSA751318  Fritillaria biflora A. C. Sanders, Fred M. Roberts 2008-5-6 35270 Orange Lomas de Santiago, upper Limestone Canyon, 2.9 mi. NNW of El Toro 366 Comment
  UCR209378  Fritillaria biflora Fred M. Roberts, Linda Farley 2008-3-28 6822 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, east fork along ridge just west of SR 241, 3.4 km east of Robber's Peak 457 Comment
  RSA184096  Fumaria parviflora I. L. Wiggins 1966-2-16 20445 a Orange Orange grove N side of Yorba Linda Blvd, near corner of Associated road, Fullerton Comment
  UCR132569  Gaillardia X grandiflora Robert DeRuff 2001-9-19 s.n. Orange Southern Coast, Newport Back Bay, Shellmaker Island 1 Comment
  CAS-BOT-BC304316  Galinsoga parviflora A. C. Sanders; Fred M. Roberts 2008-5-6 35226 Orange Peninsular Range: Santa Ana Mts: Lomas de Santiago, lower Hicks Canyon, just above tollway (Highway 241) crossing on Irving Haul Rd, near debris basin 216 Comment
  LA208397  Galium angustifolium Norman C. Cooper; 1944-6-4 Orange San Juan Canyon 304 Comment
  RSA679222  Galium angustifolium Fred M. Roberts 2003-6-25 5949 Orange Santa Ana Mountains: Mojeska Peak in Upper Cold Springs Cyn., north of Main divide Truck Trail, 0.4 km ESE summit. 1471 Comment
Read comments
Jan 12 2007
  RSA700195  Galium angustifolium R. H. McArthur 1934-4-7 s.n. Orange Ladd Canyon. Comment
  RSA758894  Galium angustifolium A. C. Sanders, Fred M. Roberts 2008-4-22 35005 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
  UCR223428  Galium angustifolium Dick Newell, Don Millar 2011-2-15 060 Orange South Coast, San Joaquin Hills, Laguna Wilderness Park, along Stagecoach Trail 131 Comment
  SBBG119147  Galium angustifolium R. G. Marushia 2004-4-16 18 Orange El Moro Cyn, Crystal Cove State Park, Laguna Beach, S of No Name Ridge Rd in park, downhill from pullout and below closed road to park entrance 61 Comment
  HSC19777  Galium angustifolium subsp. angustifolium J. W. Johnson 1961-3-29 Orange Newport Beach, slope overlooking Upper Newport Bay. Comment
  POM367702  Galium angustifolium subsp. angustifolium M. B. Dunkle 1934-6-18 3965 Orange Upper San Juan Canyon. 610 Comment
  POM367705  Galium angustifolium subsp. angustifolium Albert J. Perkins 1913-4-29 s.n. Orange Trabuco Canyon. Comment
  UC1143122  Galium angustifolium subsp. angustifolium A. Lewis 1934-4-3 379 Orange 2 1/2 mi n Coal Mine; Corona Quadrangle Comment
  JEPS6601  Galium aparine Alice King April 1908 58 Orange Santa Ana River Comment
  RSA221069  Galium aparine E. W. Lathrop 1966-5-1 6261 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland Nat'l Forest, Santa Ana Mountains. 396 Comment
  RSA587868  Galium nuttallii Fred M. Roberts Jr., Carol A. Roberts 1990-5-16 4632 Orange Small canyon along southeast side of Irvine Mesa, 3.5 km N Bolero Lookout. 396 Comment
  RSA542398  Galium parisiense Fred M. Roberts, K. Keane 1988-5-26 4013 Orange Rancho Mission Viejo: tributary to Trampas canyon, along Christianitos rd., 2.4 km ESE Viejo Survey mark. 128 Comment
  RSA734343  Galium porrigens A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34632 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 366 Comment
  RSA700908  Galium siccatum Unspecified s.n. Orange Black Star Canyon Comment
  RSA444682  Gamochaeta pensylvanica J. C. Roos 1965-6-16 s.n. Orange Dana Point. Comment
  SD247653  Garrya flavescens subsp. pallida R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49700 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  RSA0045353  Gastridium ventricosum Keith E. Hoffmaster 1935-5-5 120 Orange San Juan Can., Santa Ana Mts. 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
  CDA5170  Gaura drummondii Johnson 1939-8-3 5 Orange Brea. 0 Comment
  RSA759533  Genista Robt. Allen 2006-12-13 s.n. Orange Holy Jim Canyon community, circa 50 meters below Forest Gate. Within 2-10 m of access road 640 Comment
  SBBG132272  Geranium carolinianum S. D. White, B. Leatherman 1997-5-6 5037 Orange unnamed tributary to Santiago Crk flowing from the SW, directly W of "Pancho Cyn" "Lomas de Santiago" S179 366 Comment
  RSA702805  Geranium carolinianum D. E. Bramlet, F. M. Roberts 2003-3-27 3357 Orange Donna O Neill Reserve. 152 m. W of Cristianitos Rd. and 1.4 km. N of the E-W access road. 113 Comment
  SD233857  Geranium incanum R. E. Jr. Riefner 2012-6-30 12 285 Orange City of Costa Mesa, Talbert Regional Park, general vicinity of Balboa Blvd. and 19th Street. 4 Comment
  RSA139631  Gilia angelensis John Ingram 1960-3-29 269 Orange 1/2 mile below O'Neill Park, Trabuco Canyon. Comment
  RSA470122  Gilia angelensis Anstruther Davidson 1910-03 2474 Orange Corona Del Mar. Comment
  RSA470265  Gilia capitata subsp. abrotanifolia Anstruther Davidson s.n. Orange Corona Del Mar Comment
  RSA470266  Gilia capitata subsp. abrotanifolia M. B. Dunkle 1933-5-30 3579 Orange Santa Ana Canyon. Comment
  UCR119296  Gilia capitata subsp. abrotanifolia R. E. Riefner Jr. 2000-4-27 20- 388 Orange Santa Ana Mountains, North Ranch Policy Plan Area, along dirt road running south from Baker Canyon Road to Silverado Road 335 Comment
  RSA548866  Gilia capitata subsp. abrotanifolia Fred M. Roberts, Carol A. Roberts 1988-6-2 4029 Orange Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak. 817 Comment
  RSA0054879  Gilia capitata var. achilleifolia Keith E. Hoffmaster 1935-5-5 631 Orange San Juan can., Santa Ana Mts. Comment
  RSA588713  Githopsis diffusa subsp. candida Fred M. Roberts 1990-5-22 4637 Orange Santa Ana Mountains; Upper Hot Springs canyon, just west of Falcon Group Camp, 1.9km ESE Los Pinos Peak. 994 Comment
  IRVC450  Gnaphalium bicolor D. Pfirrmann 1965-4-24 Orange 2179 Orange Ave. Costa Mesa Comment
  POM358935  Gnaphalium californicum E. A. McGregor 1964-6-4 s.n. Orange On Highway 74, between Elsinor and San Juan Capistrano. 914 Comment
  RSA588723  Gnaphalium californicum Fred M. Roberts 1990-5-7 4607 Orange Rancho Mission Viejo: Ridge S of Blind Canyon and E of Christianitos Canyon, TRW Lease Holding, 5.0 km NE Clemente Survey Marker 152 Comment
  UCR193463  Gnaphalium canescens subsp. microcephalum A. C. Sanders, T. B. Salvato 2008-5-13 35353 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
  UCR217284  Gnaphalium canescens subsp. microcephalum Mark A. Elvin, Laura Soloro, Adam Sriro 2003-1-10 2217 Orange Peninsular Range; Santa Ana Mtns., c. 1.6 mi. west of Sierra Peak along road to powerlines, near Claymont Clay Mine 457 Comment
  RSA603356  Gnaphalium luteoalbum Scott D. White 1997-6-12 5313 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
  JEPS20430  Gnaphalium palustre L. M. Booth 1932-5-24 1086 Orange Newport Bay Comment
  POM12445  Gnaphalium palustre P. A. Munz 1922-9-2 6355 Orange Ponds in Laguna Canyon 46 Comment
  POM4622  Gnaphalium palustre P. A. Munz 1918-5-4 2209 Orange Laguna Canyon. Comment
  RSA733874  Gnaphalium palustre A. C. Sanders, Fred M. Roberts 2008-4-8 34736 Orange Peninsular Range: Lomas de Santiago, Loma Ridge, head of Hicks Canyon. S of Santiago Reservoir. 351 Comment
  RSA734646  Gnaphalium palustre A. C. Sanders, T. B. Salvato 2008-5-13 35360 Orange Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 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
  IRVC25388  Gnaphalium stramineum Fred M. Roberts 1987-4-3 3351 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
  RSA751162  Gnaphalium stramineum D. E. Bramlet 2008-5-16 4275 Orange Agua Chinon Wash. Site is located in an ephemeral tributary 91m NW of the access road and 1.74km NE of Hwy 241 274 Comment
  RSA698233  Godetia epilobioides Minor Warne 1934-4-14 s.n. Orange Laguna Canyon Forks. Comment
  IRVC26733  Grindelia Mark A. Elvin 2004-6-18 3522 Orange UCI Arboretum Southern Coastal 15 Comment
  RSA681891  Grindelia camporum Scott D. White, Michael Honer 2003-6-19 9575 Orange Southwestern Santa Ana Mtn. Foothills: Rancho Mission Viejo. Steep mountain slopes south of San Juan Ck and west of Trampas Cyn. 91 Comment
  RSA734690  Grindelia camporum A. C. Sanders, Fred M. Roberts 2008-6-17 35506 Orange Weir Canyon, Windy Ridge Rd., saddle on ridge at head, above the Eastern Transportation Corridor 400 Comment
  UCR107447  Grindelia camporum B. G. Pitzer, M. Georgiady 1997-4-5 3086 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
  UCR119299  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
  UCR233742  Grindelia camporum var. bracteosa Fred M. Roberts 2008-6-26 7059 Orange Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge along West Loma Ridge Road, c. 1 km north of Haul Road, 2.5 km NNW of Bee Peak, Irvine Ranch Land Conservancy 382 Comment
  CAS-BOT-BC305208  Grindelia hirsutula John Thomas Howell 1931-6-1 6624 Orange San Clemente Comment
  LA97587  Gutierrezia californica David S. Verity; 1974-2-20 sn Orange hills behind South Laguna Comment
  RSA752819  Haplopappus menziesii A. C. Sanders, Fred M. Roberts 2008-8-7 35975 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 Comment
  RSA756326  Haplopappus menziesii A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37196 Orange Lomas de Santiago, Limestone Canyon, west of Limestone Canyon Rd. 366 Comment
  LA202463  Haplopappus palmeri subsp. pachylepis Lawrence M. Booth; 8853 Orange Newport Beach Comment
  UCR103284  Haplopappus venetus B. G. Pitzer, T. Tennant 1997-11-8 3377 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland area between Pacific Coast Hwy and the bike trail. 30 Comment
  SDSU16264  Harpagonella palmeri Genie Fleming, Dana Hogan 2003-4-7 21 Orange Collected from CSS study plot (SJHW 11, J. Diffendorfer, SDSU) in Crystal Cove State Park. 163 Comment
  RSA0066590  Harpagonella palmeri Richard E. Riefner Jr. 2000-4-28 20 -393 Orange NCCP North Ranch Policy Plan Area. E of Main Divide Road; NE of Windy Ridge. 533 Comment
  RSA0066596  Harpagonella palmeri D. E. Bramlet 2003-3-20 3352 B Orange Donna O Neill Reserve. 122m west of Cristianitos Road, and 1.7 km north of the E-W access road. The site is just north of an ephemeral stream channel. 134 Comment
  UC1118833  Hazardia squarrosa var. grindelioides A. Lewis 1934-4-1 430 Orange Los Pinos Peak Cleveland National Forest, Elsinore Quad., Los Pinos Peak 1219 Comment
  RSA359731  Hedypnois cretica C. B. Wolf 1938-5-2 9406 Orange City of Fullerton, Francis street, 1200 block E side in vacant lot. 61 Comment
  RSA678459  Hedypnois cretica Valerie L. Soza, Kim Clark, LeRoy Gross, Will Miller, Fred M. Roberts, Gary D. Wallace 2001-4-4 1118 Orange Anaheim Bay: Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 3 Comment
  RSA685925  Hedypnois cretica Fred M. Roberts 2003-3-27 5624 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
  UCR79270  Hedypnois cretica Steve Boyd, T. S. Ross 1992-5-20 7462 Orange Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area: Western edge of the wilderness in Lucas Canyon along canyon floor from crossing of Lucas Canyon Trail, upstream 0.25 mi to spur trail leading to old mining habitations in side canyon. 412 Comment
  LA204751  Helianthemum scoparium A. H. Lange; 1951-4-15 sn Orange Balboa 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
  UCR224033  Helianthemum scoparium Justin M. Wood 2010-3-31 1448 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
  RSA5357  Helianthemum scoparium var. scoparium C. B. Wolf, B. D. Stark, Adrian Wolf 1932-12-19 4439 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive 762 Comment
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Feb 23 2019
  UCR228887  Helianthus annuus Dick Newell, Peter Wetzel, Cassie Backer 2011-7-5 201 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agua Chinon Wash 242 Comment
  CAS-BOT-BC305445  Helianthus annuus Ira L. Wiggins 1965-11-6 20339 Orange Kraemer Oil Estates, near Well No. 14, near end of county road leading to Rancho Santa Ana (extension of Orangethorpe Blvd.) 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
  RSA725574  Helianthus gracilentus Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6531 Orange dirt road along ridge between Black Star and Fremont Canyons, 4.4km ENE Irvine Lake spillway and 2.4km WSW Hidden Ranch. 662 Comment
  UCR100455  Heliotropium curassavicum B. G. Pitzer 1996-4-30 2770 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  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
  POM122838  Heliotropium curassavicum var. oculatum Marcus E. Jones 1924-8-26 s.n. Orange Newport. Comment
  RSA184178  Heliotropium curassavicum var. oculatum I. L. Wiggins 1965-11-6 20349 Orange Near well #14, Kramer Oil Estates, near end of county road to Rancho Santa Ana. Comment
  RSA5855  Heliotropium curassavicum var. oculatum C. B. Wolf 1932-6-28 3788 Orange Bryant Ranch, near fence., 100 ft. south of NW corner of NW 1/4 of S.E. 1/4 of sect 27. 9 Comment
  RSA647  Heliotropium curassavicum var. oculatum J. T. Howell 1927-6-17 159 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  POM47586  Heliotropium curassavicum var. oculatum I. M. Johnston 1924-8-29 s.n. Orange 3.5 miles N of Balboa. Comment
  SEINET10802443  Helminthotheca echioides David B. Dunn Dunn 22400 Orange Collected around the condominium-Pacific Island Estates in Laguna Niguel area. 30 Comment
  RSA254941  Hemizonia australis C. W. Tilforth 1975-9-6 1047 Orange Upper Bay, Newport Beach: North-east shoreline. Comment
  POM5000  Hemizonia fasciculata H. M. Hall 1906-6-19 7411 Orange Gypsum, Santa Ana Canyon 122 Comment
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Sep 4 2011
  POM6416  Hemizonia fasciculata P. A. Munz 1919-5-3 2642 Orange Santa Ana River Canyon. Comment
  UCR228802  Hemizonia fasciculata Dick Newell, Don Millar 2011-5-24 167 Orange Peninsular Range; Santa Ana Mtns., above Outdoor Education Center on MWD service road, 1.6 miles NW (311 deg. ) of Irvine Lake dam 244 Comment
  RSA654262  Hemizonia fasciculata Ian Thompson 1997-4-28 59 Orange Cal Poly Ecological Reserve, in front of southern gate into reserve. Comment
  CAS-BOT-BC403798  Hesperocnide tenella D. L. Crawford 1916-7-1 1959 Orange Near Laguna Comment
  SD40680  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
  RSA649843  Hesperolinon micranthum D. E. Bramlet 2000-6-27 3065 Orange Upper east Blind Canyon. The site is 152m west of the Fremont Cyn. ridge road and 122m south of the Blind Cyn. access road. This locality is 244m northeast of the old mine site. 144 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
  RSA0072401  Heteromeles arbutifolia A. C. Sanders, Fred M. Roberts 2008-7-16 35840 Orange Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin. 391 Comment
  UCR222879  Heteromeles arbutifolia T. B. Salvato 2010-10-27 5123 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
  UCR223436  Heteromeles arbutifolia Dick Newell, Don Millar 2011-2-8 056 Orange Peninsular Range; Santa Ana Mtns., Black Star Coal Mine above Fremont Canyon, along Coal Rd. 475 Comment
  UCR231354  Heteromeles arbutifolia A. C. Sanders, Kent Beaman 2011-9-27 39906 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
  RSA0072398  Heteromeles arbutifolia Percy C. Everett 1936-1-25 7697 Orange Santa Ana Canyon, Rancho Santa Ana. In Palm Canyon in the Botanic Garden. 183 Comment
  HSC5823  Heterotheca grandiflora J. W. Johnson 1961-3-29 Orange Newport Beach, N slope overlooking upper Newport Bay Comment
  IRVC791  Heterotheca grandiflora C. Thompson 1965-2-28 Orange Corona Del Mar: Corona Highlands Southern Coastal Comment
  RSA0074065  Heterotheca grandiflora Scott D. White, Michael Honer 2004-5-17 10383 Orange South Coast: City of Laguna Niguel. Ridges and open slopes directly north of the intersection of Crown Valley Parkway and Pacific Island Dr. 61 Comment
  RSA0075824  Heterotheca grandiflora A. C. Sanders, Fred M. Roberts 2008-7-3 35697 Orange Santa Ana Mtns.: Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir. 275 Comment
  UCR193773  Heterotheca grandiflora A. C. Sanders, Fred M. Roberts 2008-7-3 35697 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir 285 Comment
  RSA0075807  Heterotheca grandiflora Kenneth Beard 1934-03 s.n. Orange Riverbank of Santa Ana River. Comment
  POM201843  Heterotheca sessiliflora subsp. echioides L. M. Booth 1932-7-29 1330 Orange Newport Lagoon Comment
  UCR80021  Heterotheca subaxillaris Scott D. White 1992-10-13 961 Orange City of Brea, north of Carbon Cyn Rd. & east of Placentia Ave. 1 mi SSE of Tonner Cyn 183 Comment
  CAS-BOT-BC55398  Hirschfeldia incana Ira L. Wiggins 1965-10-24 20281 Orange Fullerton. Along Skyline Driver near intersection with Raymond Street. Comment
  UCSB48229  Hirschfeldia incana Roberts, Fred 1981-7-8 Orange Rancho Mission Viejo: Calif. Rte. 74, 5.2 km ENE San Juan Capistrano by road 100 Comment
  CAS-BOT-BC207960  Hoffmannseggia glauca Margaret K. Bellue 1933-6-7 s.n. Orange Unspecified Comment
  UC537011  Hoita macrostachya Lawrence M. Booth 1932-7-1 1236 Orange Anaheim Marsh Comment
  IRVC18680  Hoita orbicularis Karlin G. Marsh 1981-5-1 s.n. Orange Main Divide [Truck] Trail above Maple Springs. Santa Ana Mountains 1341 Comment
  RSA548862  Holodiscus boursieri Fred M. Roberts, Carol A. Roberts 1988-6-10 4094 Orange Santa Ana Mountains: Modjeska Peak, 0.9km SW summit 1542 Comment
  POM357588  Holodiscus discolor W. Pequegnat 1940-6-19 s.n. Orange North face of Los Pinos Peak 1159 Comment
  UC592773  Holodiscus discolor P. C. Everett 1935-6-18 7221 Orange Santa Ana Mountains, Summit of Santiago Peak Summit of Santiago Peak; Santa Ana Mountains, Summit of Santiago Peak 1731 Comment
  CAS-BOT-BC150005  Holodiscus discolor var. discolor E. R. Johnson 1933-6-22 5000 Orange Rancho Santa Ana, Santa Ana Canyon N.W. corner of ranch, 1/4 mi. E., 1/2 mi. S. 304 Comment
  RSA0027774  Holodiscus discolor var. franciscanus Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49690 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  RSA627782  Hordeum depressum Scott D. White 1998-4-9 6268 Orange UCI Campus; North Campus wetlands reserve area; north of San Joaquin Channel and east of MacArthur Blvd. 15 Comment
  RSA592063  Hordeum intercedens R. E. Riefner 1996-5-19 96 -94 Orange NW of Cooks Reservoir, City of Dana Point, Dana Hills. Comment
  RSA642530  Hordeum intercedens D. E. Bramlet 1998-5-19 2621 Orange San Juan Hills. 4,400 ft. west of La Pata Ave. and 10,000 ft. north of Prima Deshecha Canada. On a ridgeline 500 ft. east of a small canyon., UTM 11S 04 41 529mE X 37 06 455mN. 91 Comment
  RSA642531  Hordeum intercedens D. E. Bramlet 1998-5-20 2622 Orange San Juan Hills, 488m west of La Pata Ave. and 1.22km north of Prima Deshecha Canada. In a blue-line drainage, 457m east of the old ridgeline road., UTM 11S 04 42 339mE X 37 06 310mN 149 Comment
  RSA704078  Hordeum intercedens D. E. Bramlet, Fred M. Roberts 2003-5-8 3433 Orange Donna O'Neill Reserve. S-Mid E area of the reserve 91m west of Cristianitos Rd. and 152m south of the E-W Rd. 119 Comment
  UCR150377  Hordeum intercedens D. E. Bramlet 1998-5-19 2621 Orange Coastal Plains & Basins/Los Angeles Basin region, San Juan Hills: 4400 ft west of La Pata Ave. and 10,000 ft N of Prima Deshecha Canada. A ridgeline 500 ft east of a small canyon 91 Comment
  UCR150381  Hordeum intercedens D. E. Bramlet 1998-5-25 2627 Orange Coastal Plains & Basins/Los Angeles Basin region, 120 m N of the Newport Beach Library and 61 m west of McArthur Blvd., 914 m south of San Miguel Drive 49 Comment
  UCR158097  Hordeum intercedens Adrian Wolf 1998-4-25 149 Orange South Coast, San Joaquin Hills, Bommer Canyon, upper central ridge, 1 km NE of Signal Peak 226 Comment
  UCR158149  Hordeum intercedens Adrian Wolf 1998-5-4 204 Orange South Coast, Coastal Hills, Aliso/Woods Canyon Regional Park, trail to Dripping Cave, in Woods Canyon 1 km up from confluence with Aliso Canyon, west of Sheep Hills, south of Dripping Cave 134 Comment
  RSA701209  Hordeum murinum Keith E. Hoffmaster 1927-3-25 s.n. Orange Santa Ana. Comment
  POM202586  Hordeum murinum subsp. glaucum L. M. Booth 1932-5-12 1050 Orange Newport Bay. Comment
  UCR247909  Horkelia cuneata subsp. cuneata Fred M. Roberts 2013-6-7 7781 Orange Peninsular Ranges, SANTA ANA MTNS.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.1 km NNW Upper San Juan Campground. 518 Comment
  LA207989  Horkelia cuneata subsp. puberula B. R. Lower; 1954-4-25 sn Orange Mouth of small canon in Laguna Beach Comment
  POM224742  Horkelia cuneata subsp. puberula Philip A. Munz 1936-4-20 14606 Orange Laguna Beach, Mt. Olympus 152 Comment
  RSA542357  Horkelia cuneata subsp. puberula Fred M. Roberts 1988-4-26 3945 Orange San Joaquin Hills, Pelican Hill, 0.4 km SW summit. 183 Comment
  UCR263677  Horkelia cuneata var. cuneata Mark A. Elvin 2001-4-8 1554 Orange South Coast, South San Clemente, west of I-5, SE of Avenida Califa 37 Comment
  HSC78999  Horkelia cuneata var. puberula Steve Boyd 1981-5-13 Orange Pelican Hill, Irvine Ranch property in the San Joaquin Hills S of Corona del Mar Comment
  RSA792565  Hornungia procumbens Justin M. Wood 2011-2-28 3272 Orange South Coast: Santa Ana River, marsh just upstream of Pacific Coast Highway. Plants collected throughout the marsh and along the adjacent bike path. 0 Comment
  CAS-BOT-BC206147  Hosackia crassifolia Peter H. Raven 1962-5-18 17754 Orange Main Divide Truck Trail 1.6 miles north of Santiago Peak, along edges of oak woodland 1554 Comment
  UCR231503  Hulsea heterochroma Dick Newell, Judy Booth 2011-6-19 183 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Rd., Cleveland National Forest, above Santiago Canyon 1086 Comment
  RSA697416  Hymenolobus procumbens Elisabeth Norland 1929-2-16 3 Orange Cypress. Comment
  RSA450874  Hypericum canariense Fred M. Roberts 1984-4-29 1361 Orange Dana point Headlands: 0.5km NW Dana Point Harbor; 0.4km S Richard Henry Dana School 75 Comment
  RSA747629  Hypericum canariense Fred M. Roberts 2008-5-8 6946 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  SBBG125947  Hypericum canariense R. E. Riefner Jr. 2010-6-9 10 -52 Orange McKraken View Trail at San Juan Crk Rd, E of I-5 Freeway; City of San Juan Capistrano 51 Comment
  RSA732168  Hypochaeris glabra A. C. Sanders, Fred M. Roberts 2008-3-25 34538 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 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
  RSA0038505  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
  UC537025  Isocoma menziesii var. sedoides Lawrence M. Booth 1932-6-29 1225 Orange Newport Bay Comment
  CAS-BOT-BC311732  Isocoma menziesii var. vernonioides L. R. A. 1901-6-1 1783 Orange San Joaquin Hills Comment
  IRVC25168  Isocoma menziesii var. vernonioides Fred M. Roberts, B. Fugle 1986-10-1 3145 Orange Laguna Hills; creek channel along Cabot Rd. ca. 1.0km N Pacific Park Pkwy. Southern Coastal 99 Comment
  RSA264440  Isocoma menziesii var. vernonioides C. W. Tilforth 1976-10-21 1225 Orange Slopes above Santa Ana River Canyon on Rancho Santa Ana. Comment
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Mar 18 2011
  RSA5239  Isocoma menziesii var. vernonioides C. B. Wolf 1932-9-13 4027 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
  RSA573432  Isocoma menziesii var. vernonioides Steve Boyd, Tim Ross 1994-9-14 8343 Orange Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon trailhead at Forest Service4 Road 7S06 on ridge dividing Aliso and Verdugo Canyons. 476 Comment
  RSA699284  Isocoma menziesii var. vernonioides J. R. Bruff 1930-10-19 s.n. Orange Santa Ana River bed. Comment
  RSA703094  Isocoma menziesii var. vernonioides Fred M. Roberts, Art Davenport 2003-9-11 6002 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
  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
  UCR267156  Isolepis cernua Robert Hamilton 2009-11-6 s.n. Orange South Coast, Newport Beach, seep near the corner of Superior Ave. and Pacific Coast Hwy [now, 2016, the site of Sunset Ridge Park] 8 Comment
  RSA94  Isolepis cernua J. T. Howell 1927-7-6 278 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  CSUSB713  Isomeris arborea R. P. Sunderman 1968-5-11 Orange Beach just south of Corona del Mar Comment
  UCR222627  Isomeris arborea T. B. Salvato 2010-10-27 5104 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
  UCR239831  Jaumea carnosa O. F. Clarke 2004-6-23 s.n. Orange South Coast, Newport Back Bay, just south of the Muth Interpretive Center 15 Comment
  RSA301965  Jaumea carnosa J. R. Shevock 1972-9-27 2285 Orange Newport Back Bay. 2 Comment
  CAS-BOT-BC101919  Juglans californica C. B. Wolf 1934-9-21 6141 Orange Lower end of Brea Canyon, Puente Hills 182 Comment
  CAS-BOT-BC101959  Juglans californica Carl B. Wolf 1936-7-8 8103 Orange W. side of Durant St., Santa Ana 30 Comment
  HSC13962  Juglans californica S. M. Clapp 1966-4-10 39 Orange 1 mi. N of Brea, on Brea Canyon Rd. 61 Comment
  UCSB47595  Juglans californica Roberts, Fred 1980-4-5 Orange Highway 74; San Juan Canyon; 0.4km sw Lower San Juan Picnic Ground; Santa Ana Mountains 390 Comment
  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
  CAS-BOT-BC229009  Juglans hindsii R. E. Riefner, Jr. 2011-9-10 11 -124 Orange Santa Ana Canyon, I-91 northbound, S side of freeway, located within 100 ft of the Riverside County line 127 Comment
  RSA0025286  Juglans hindsii R. E. Riefner Jr. 2011-4-22 11 -34 Orange City of Laguna Beach, Laguna Canyon, Laguna Wilderness Park, Stagecoach Trail, ca. 0.15 mi N of El Toro Rd. on W side of Laguna Canyon Rd. 86 Comment
  UCD169185  Juglans hindsii R. E. Riefner Jr. 2013-11-6 13- 234 Orange City of Laguna Beach, Laguna Canyon. N of Phillips St. on E side of Laguna Canyon Rd. 71 Comment
  UCR280608  Juglans hindsii R. E. Riefner Jr. 2015-11-21 15- 451 Orange South Coast, city of Orange, Irvine Regional Park, south end of Park, west of railroad track near Petting Zoo 165 Comment
  RSA790107  Juglans hindsii R. E. Riefner Jr. 2011-8-25 11 -114 Orange Trabuco Canyon, Trabuco Canyon Rd. ca. 1 mi NW of O Neill Regional Park. 319 Comment
  UCR193403  Juglans nigra A. C. Sanders, Fred M. Roberts 2008-6-17 35477 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 260 Comment
  RSA0038707  Juglans nigra R. E. Riefner Jr. 2011-8-25 11 -115 Orange Trabuco Canyon, Trabuco Canyon Road c. 1 mi northwest of O Neill Regional Park 319 Comment
  UCR158462  Juncus Adrian Wolf 1998-5-27 318 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
  CAS-BOT-BC110026  Juncus acutus L. R. Abrams 1917-6-23 6572 Orange Balboa. Comment
  RSA683232  Juncus acutus Scott D. White, Matt Carlton 2003-11-20 9861 Orange Santa Ana Mountain foothills; San Juan Creek in San Juan Capistrano; (Dana Point) 24 Comment
  UC842095  Juncus acutus subsp. leopoldii Louis C. Wheeler 1932-6-25 869 Orange inlet arm of Newport Bay Newport Bay 0 Comment
  UCSB36209  Juncus acutus subsp. leopoldii Ferren, Wayne; Whitmore, S.; Millett, B. 1980-8-27 Orange Newport Backbay just W of Backbay Drive; ca. 3 km V NE of Rt. 1; Newport Beach Comment
  RSA699734  Juncus acutus var. sphaerocarpus Keith E. Hoffmaster 1933-10-8 s.n. Orange Near Newport Bay. Comment
  UC537280  Juncus balticus L. M. Booth 1932-12-26 1381 Orange Bolsas Marsh, near highway Bolsas Marsh Comment
  UCR193035  Juncus balticus A. C. Sanders, Fred M. Roberts 2008-6-17 35492 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
  RSA552947  Juncus balticus Fred M. Roberts, R. E. Riefner 1989-5-2 4328 Orange Aliso-Wood Canyons Regional Park: Lower Wood Canyon, 3.5 kilometers SSE Multon Peak. 30 Comment
  RSA697806  Juncus balticus Elisabeth Norland 1929-4-11 s.n. Orange Cypress. Comment
  RSA697809  Juncus bufonius var. bufonius Ophelia Frost 1932-5-2 s.n. Orange On H. B. Boulevard-about 2 miles out. Comment
  RSA0014071  Juncus macrophyllus Fred M. Roberts, R. E. Riefner 2010-5-30 7024 Orange Lomas de Santiago: Loma Ridge, Hanging Man s Tree Cyn., along Hanging Man s Tree Cyn. Rd., c.a. 0.4km W Santiago Cyn. Rd., and 1.2 km N Bolero Lookout. 372 Comment
  UCR193934  Juncus macrophyllus A. C. Sanders, Fred M. Roberts 2008-7-16 35859 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hangmans Tree Canyon 395 Comment
  UCSB48193  Juncus macrophyllus Roberts, Fred 1981-6-26 Orange Santa Ana Mts; east fork Viejo Cyn; 0.6 km N Calif. Rte. 74; 2.7 km E San Juan Guard Station 326 Comment
  SD72862  Juncus oxymeris F. R. Fosberg 1931-6-21 S 5152 Orange Silverado Canyon, Santa Ana Mountains, edge of stream. Comment
  RSA562612  Juncus patens Steve Boyd, Fred M. Roberts 1992-10-14 7714 Orange Northern Santa Ana Mountains, vicinity of Oak Flats (aka Oat Flats) northeast of the junction of Main Divide Road and Skyline Road, just west of Riverside County line 800 Comment
  UCR133215  Juncus sphaerocarpus W. W. Wright 1974-4-22 s.n. Orange South Coast, Newport Back Bay 3 Comment
  UCR18360  Juncus textilis O. F. Clarke, Ileana Leil, Robert Lumley (park foreman) 1977-11-12 s.n. Orange Brea-Olinda Regional Wilderness Park, south of Brea. Small, moist canyon near the center of the park Comment
  RSA21064  Juncus xiphioides Ramon Valverde 1938-8-4 9440 Orange Rancho Santa Ana, Santa Ana Canyon. 122 Comment
  RSA542335  Juncus xiphioides Fred M. Roberts, K. Keane 1988-5-25 3985 Orange Ranch Mission Viejo: Lower Canada Chiquita, 2.5 kilometers SSE Medium Rancho Survey Mark. 82 Comment
  RSA25894  Keckiella antirrhinoides Jenkins 1929-2-6 9858 Orange Claymine Canyon 213 Comment
  NY786526  Keckiella antirrhinoides var. antirrhinoides F. R. Fosberg 1931-6-21 S 5147 Orange Silverado Canyon, Santa Ana Mountains Comment
  RSA401707A  Keckiella cordifolia M. B. Dunkle 1934-6-18 3996 Orange San Juan Canyon 305 Comment
  RSA773556  Keckiella cordifolia Fred M. Roberts 2008-6-3 7028 Orange Lomas de Santiago: Loma Ridge, East Fork Rattlesnake Canyon, ca. 2.6 km NE of Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak 235 Comment
  SBBG104112  Keckiella cordifolia B. Pitzer, S. Hemstreet 1992-5-27 1959 Orange USFS Rd 3S04 to Blue Jay Group Cmpgrd, off St Hwy 74, ca. 2 air mi W of El Cariso Cmpgrd 762 Comment
  UC729869  Keckiella cordifolia Carl B. Wolf 1932-7-2 Orange .12 mi below La Vida Springs; Carbon Canyon 213 Comment
  UCR27507  Keckiella cordifolia T. P. Krantz 1981-6-18 s.n. Orange Santa Ana Mtns, Main Divide Truck Trail near the head of the canyon Comment
  RSA683235  Kickxia elatine Scott D. White, Matt Carlton 2003-11-20 9866 Orange Santa Ana Mountain foothills; San Juan Creek in San Juan Capistrano; (San Juan Capistrano). 24 Comment
  RSA773502  Koeleria macrantha Fred M. Roberts 1999-5-14 5222 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 502 Comment
  CDA35533  Koelreuteria bipinnata D. G. Kelch, Mark Elvin 2006-12-9 6 .556 Orange Irvine. University Dr along tidal creek just E of I-73. Comment
  RSA0069226  Koelreuteria bipinnata Fred M. Roberts 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
  RSA725942  Koelreuteria bipinnata R. E. Riefner 2006-11-14 6 -673 Orange South Coast: Irvine, along San Diego Creek at Campus Ave. 4 Comment
  CAS-BOT-BC340501  Lactuca serriola John Thomas Howell 1927-7-27 2855 Orange Hills on n. side of Santa Ana Canon [Canyon] 152 Comment
  CAS-BOT-BC340502  Lactuca serriola Carl B. Wolf 1932-7-7 3839 Orange Bryant Ranch, Bixby Ave., south edge of field, 100 ft. W. of Hansen Rd., 100 ft. W. of S.E. corner of N.E. 40 of N.E. of Sect. 34 T4S R11W 48 Comment
  RSA12674  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
  CAS-BOT-BC340716  Laennecia coulteri I. M. Johnston 1918-9-3 2148 Orange Laguna Canon [Canyon], San Joaquin Hills 106 Comment
  JEPS71239  Lamarckia aurea L. M. Booth 1932-5-12 1022 Orange Newport Bay Comment
  RSA687519  Lamarckia aurea Fred M. Roberts, David E. Bramlet 2003-4-10 5650 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
  RSA737548  Lamarckia aurea Fred M. Roberts 2008-3-12 6713 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA697035  Lamarckia aurea Keith E. Hoffmaster 1928-3-13 s.n. Orange Santa Ana. Comment
  RSA0040039  Lantana camara Anonymous 1933-10-13 s.n. Orange Santa Ana. Comment
  CAS-BOT-BC338908  Lasthenia californica Agnes M. Bowman 1899-6-1 s.n. Orange Orange Comment
  SEINET7287976  Lasthenia californica C. B. Wolf 1932-3-8 Orange 1/2 Mile north of Corona Del Mar. Bordes of Newport Bay 8 Comment
  RSA749293  Lasthenia coronaria Fred M. Roberts 2008-4-22 6921 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn.,along Haul Rd. near asphalt plant, 2.2 km ENE Rattlesnake Reservoir dam and 2.2 km WNW Bee Peak, Irvine Ranch Conservancy. 188 Comment
  UC718548  Lasthenia glabrata subsp. coulteri Carl B. Wolf 1935-3-24 6295 Orange Comment
  UCR247510  Lasthenia glabrata subsp. glabrata R. E. Riefner Jr. 2013-3-10 13- 39 Orange city of lake Forest, along El Toro Road at Destry Road 211 Comment
  POM294108  Lasthenia gracilis Lyman Benson 1946-4-27 12056 Orange Corona Del Mar; Drainage area: Pacific Ocean. 15 Comment
  UCR203988  Lasthenia gracilis Fred M. Roberts 2008-3-12 6732 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
  RSA789492  Lasthenia gracilis Aileen Adams 1932-4-29 8 Orange Slope above dam. [Orange Co.?] Comment
  RSA699994  Lathyrus strictus Minor Warne 1934-03 s.n. Orange Laguna Canyon Comment
  JEPS57259  Lathyrus tingitanus L. R. Heckard and R. C. Bacigalupi 1968-5-8 1837 Orange just n of Doheny Beach Park (Dana Point); Dana Point Comment
  RSA3164  Lathyrus vestitus subsp. alefeldii C. B. Wolf 1932-3-8 2699 Orange Santiago Dam, W. base Santa Ana Mts. 305 Comment
  RSA518451  Lathyrus vestitus subsp. laetiflorus Dorothy Tilforth, C. W. Tilforth 1977-3-6 1253 Orange Small canyon W of Gypsum Canyon, S side of Santa Ana River 152 Comment
  SD247645  Lathyrus vestitus var. vestitus R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49688 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  UCR4078  Lavatera assurgentiflora Carole Sims 1965-3-28 s.n. Orange South Coastal Plains, Salt Creek Road off Pacific Coast Highway, between South Laguna and Dana Point 18 Comment
  RSA38452  Lavatera assurgentiflora subsp. assurgentiflora Carl B. Wolf 1944-11-29 11497 Orange Southeast of Costa Mesa Comment
  UCR17212  Lavatera cretica Emily Carlton 1966-4-18 51 Orange Pacific coast, Laguna Beach, corner of Agate and Santa Cruz Streets. 30 Comment
  RSA699675  Layia platyglossa Keith E. Hoffmaster 1935-4-19 s.n. Orange Santiago can. near Silverado ca., Santa Ana Mountains. Comment
  RSA17056  Layia platyglossa subsp. campestris Percy C. Everett 1935-4-15 6462 Orange 8/10 mile E of Atwood on S side of Santa Fe RR. 107 Comment
  RSA705543  Leersia oryzoides R. E. Riefner Jr. 2003-12-14 3 -458 Orange Featherly Regional Park, Santa Ana River, vicinity of La Palma Avenue and Lomas de Yorba West, S of Gypsum Canyon Road. 105 Comment
  RSA715699  Lemna minuta Fred M. Roberts, Chris M. Barnhill 2005-9-27 6280 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  UCSB52476  Lemna minuta Roberts, Fred; Ferren, Wayne 1982-7-21 Orange Newport Beach; Newport Backbay, Back Bay Dr., 1.4 km. N jct. San Joaquin Hills Rd. 1 Comment
  CDA25745  Leonurus sibiricus O. F. Clarke, A. C. Sanders 2008-2-19 s.n. Orange South Coast; Fullerton; weeds at California State University Fullerton Arboretum. Comment
  CAS-BOT-BC221602  Lepechinia cardiophylla John Thomas Howell 1927-6-26 2606 Orange Claymine Canon [Canyon] n. Santa Ana Mts. 609 Comment
  IRVC18681  Lepechinia cardiophylla Karlin G. Marsh 1981-5-1 s.n. Orange Santa Ana Mtns: Bald Peak Peninsular Ranges 1159 Comment
  RSA588894  Lepechinia cardiophylla Fred M. Roberts, Carol A. Roberts 1990-5-30 4660 Orange Ridge between Upper Hagador Canyon and the West Fork of Ladd Canyon, Main Divide Truck Trail, 0.8km WNW Pleasants Peak. 1122 Comment
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Feb 22 2017
  UCD115329  Lepidium appelianum Ethelbert Johnson 1931-5-1 2198 Orange Santa Ana. Comment
  UCD115481  Lepidium densiflorum Louis C. Wheeler 1947-5-4 6476 Orange 4 1/2 miles south of Santa Ana: South Main Street extension, 0.8 miles south of Newport Avenue. Comment
  RSA716659  Lepidium didymum Fred M. Roberts 2005-5-13 6188 Orange San Juan Capistrano; Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  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
  UCR237845  Lepidium lasiocarpum Mark A. Elvin 2003-2-2 2274 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  UCR197577  Lepidium latifolium A. C. Sanders, Fred M. Roberts 2008-9-18 36090 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 0.5-0.8 miles above the highway bridge 300 Comment
  UCR247905  Lepidium latifolium Fred M. Roberts 2013-6-12 7789 Orange Peninsular Ranges, SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.6 km ENE Silverado School and 1.4 km up stream Black Star Road crossing. 320 Comment
  UCR266422  Lepidium latifolium D. E. Bramlet 2009-11-27 4427 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  UCSB48030  Lepidium latifolium Roberts, Fred 1980-5-4 Orange Mission Viejo: along Santa Fe Railroad and Camino Capistrano; 1.7 km. N Crown Valley Parkway; 1.1 km. S Bench Mark 316 49 Comment
  CDA25727  Lepidium oblongum A. C. Sanders, T. B. Salvato 2008-5-13 35331 Orange Peninsular Range; Santa Ana Mountains; Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Canyon, c. 1/2 mile below Modjeska Canyon confluence. Comment
  RSA0127408  Lepidium oblongum Fred M. Roberts 2016-5-20 8060 Orange City of Irvine: San Joaquin Hills, Turtle Rock Community along Ridge Route Road, 1.0 km SE summit of French Hill and just NE intersection with Hillsborough Drive. 122 Comment
  RSA629716  Lepidium pinnatifidum L. C. Wheeler 1947-5-4 6476 Orange 4 1/2 miles south of Santa Ana: South Main Street extension, 0.8 miles south of Newport Avenue. Comment
  UCSB59357  Lepidium pinnatifidum Roberts, Jr., Fred 1987-7-8 Orange Irvine; San Diego Creek near San Diego Fwy. crossing, 3.2 km. N UC Irvine campus center; UTM 3726200m N, 422500m E 5 Comment
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Nov 17 2018
  IRVC24787  Lepidium virginicum var. robinsonii Karlin G. Marsh 1989-3-4 Orange Lomas Ridge, ridge between Hicks and Rattlesnake Canyons. Lomas de Santiago 210 Comment
  CAS-BOT-BC329357  Lepidospartum squamatum John Thomas Howell 1927-7-28 2864 Orange North side of Santa Ana Canon 152 Comment
  RSA717044  Lepidospartum squamatum Fred M. Roberts, Chris M. Barnhill 2005-9-27 6287 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano. 27 Comment
  UCD134015  Lepidospartum squamatum J. C. Elmore 1929-10-1 2165 Orange orange. Comment
  UCD63972  Leptochloa fusca subsp. uninervia Beecher Crampton 1965-10-27 7581 Orange 2 mi. east of Irvine, Irvine Blvd. Comment
  UC537285  Leptochloa uninervia Lawrence M. Booth 1932-7-18 1262 Orange Costa Mesa Newport Bay Comment
  UCR12588  Leptochloa uninervia J. S. Davis 1972-5-6 720506- 5 Orange South Coast, Newport Beach; corner of San Joaquin Hills Road and Back Bay Road 0 Comment
  UCR133165  Leptodactylon californicum Adrian Wolf 2000-3-24 458 Orange Santa Ana Mtns., North Ranch Policy Plan Area, Lake View Road 518 Comment
  UC908087  Leptodactylon californicum subsp. glandulosum John Thomas Howell 1927-6-26 2610 Orange w Sierra Peak (Santa Ana Mts.); , w of Sierra Peak 609 Comment
  SBBG128690  Leptosiphon floribundus subsp. floribundus R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49714 Orange Bedford Truck Trail, ca. 0.8 km below jct with Main Divide Truck Trail; Santa Ana Mtns Comment
  SD28081  Leptosiphon liniflorus Carl B. Wolf 1932-5-19 3637 Orange Rancho Santa Ana Botanic Garden, west of the tennis court. 198 Comment
  UCR221896  Leptosiphon liniflorus Dick Newell, Don Millar 2010-10-12 42 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Limestone Canyon Rd. 0.6 mile due east of Limestone Spur 290 Comment
  UCR102031  Lessingia filaginifolia B. G. Pitzer 1997-3-25 3009 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  CAS-BOT-BC283709  Leymus condensatus L. R. Abrams 1901-6-1 s.n. Orange San Joaquin Hills Comment
  CAS-BOT-BC130580  Lilium humboldtii John Thomas Howell 1927-7-3 2645 Orange Claymine [Canon] Canyon, n. Santa Ana Mts. 304 Comment
  RSA0061170  Lilium humboldtii subsp. ocellatum Robt. Allen 2006-7-9 s.n. Orange Santa Ana Mountains region: Trabuco Canyon, just below Alder Spring. Slightly north of first stream crossing southwest of Holy Jim Fire Department. Comment
  UC1873112  Limonium R. E. Riefner Jr. 2006-8-13 06 -391 Orange salt marsh with Salicornia; Coastal Salt Marsh 8 Comment
  RSA401665A  Limonium californicum F. R. Fosberg 1930-7-10 53982 Orange Anaheim Landing. [Now Seal Beach, Orange County. Los Angeles Co. on label] 1 Comment
  UCSB36206  Limonium californicum Ferren, Wayne 1980-8-27 Orange Tidal sand bank along channel of Newport Backbay below W side of Backbay Drive ca. 1.5 km NE of Rt. 1, Newport Beach Comment
  UC1873116  Limonium duriusculum R. E. Riefner Jr. 2005-10-5 05 -707 Orange City of Irvine, near Bonita Creek, along La Salud St. near Milano Dr. 9 Comment
  UC1873119  Limonium duriusculum R. E. Riefner Jr. 2005-11-23 05 -772 Orange City of Newport Beach, Newport Bay, Bay View Dr. at Jamboree Road 6 Comment
  UCR266377  Limonium duriusculum D. E. Bramlet 2009-11-27 4417 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  RSA723486  Limonium duriusculum R. E. Riefner 2005-11-23 5 -772 Orange City of Newport Beach, Newport Bay, Bay View Dr. at Jamboree Rd. 6 Comment
  RSA723489  Limonium duriusculum R. E. Riefner 2006-11-12 6 -67 Orange City of Newport Beach, San Diego Creek near confluence with Newport Bay near SR73 overpass. 6 Comment
  SFV20426  Limonium perezii A. Le 2002-4-5 16 Orange Newport Beach. Near residential area near beach. Comment
  RSA716344  Limonium ramosissimum R. E. Riefner 2006-8-11 6 -386 Orange Upper Newport Bay, E of Back Bay - Bayside Dr. flats along Big Canyon Creek. 5 Comment
  SEINET6045534  Linanthus E. W. Lathrop 1974-6-27 7420 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon. Cleveland National Forest. Comment
  LA103892  Linanthus californicus E. B. Higgins; 1948-3-21 sn Orange San Juan Camp Comment
  RSA584716  Linanthus californicus subsp. glandulosus Fred M. Roberts 1989-5-18 4370 Orange Santa Ana Mountains: Upper Gypsum canyon, above ridge road, ca. 6.4 km WSW Sierra Peak. 415 Comment
  UCR191778  Linanthus dianthiflorus A. C. Sanders, Fred M. Roberts 2008-3-25 34570 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
  POM279123  Linanthus dianthiflorus subsp. dianthiflorus Lyman Benson 1932-3-26 3192 Orange Dana Point. 60 Comment
  JEPS33699  Linanthus liniflorus John Thomas Howell 1927-6-8 2458 Orange Santa Ana Canyon 182 Comment
  UCR128169  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-29 9424 Orange Santa Ana Mtn foothills, Rancho Mission Viejo. Hills above Canada Gobernadora on west side of canyon, c. 1 air mile north of Ortega Hwy. 152 Comment
  UCR177690  Linanthus liniflorus Fred M. Roberts, D. E. Bramlet 2003-5-1 5693 Orange Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.21 km west of Cristianitos Rd. 96 Comment
  UCR132991  Linanthus parviflorus Adrian Wolf 2000-5-3 465 Orange Santa Ana Mtns., North Ranch Policy Plan Area, upper Fremont Canyon, eastern tributary 579 Comment
  RSA790708  Linaria canadensis Pomeroy 1929-3-16 103 Orange Costa Mesa. CP3. 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
  POM8755  Lithophragma affine subsp. mixtum P. A. Munz, R. D. Harwood 1920-4-25 3718 Orange Santa Ana Mountains, Silverado Canyon. 549 Comment
  POM8811  Lithophragma affine subsp. mixtum P. A. Munz, R. D. Harwood 1920-4-24 3782 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  UCSB15005  Lithophragma heterophyllum Breedlove, Dennis 1962-3-9 Orange 14.3 miles east of San Juan Capistrano on State 74 335 Comment
  UCR193805  Lobelia dunnii var. serrata A. C. Sanders, Fred M. Roberts 2008-7-16 35837 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  HSC6864  Lobularia maritima J. W. Johnson 1961-3-29 Orange Newport Beach, slope overlooking Upper Newport Bay. Comment
  IRVC1112  Lobularia maritima M. McCartin 1965-5-2 Orange San Juan Capistrano. Southern Coastal Comment
  RSA782058  Lobularia maritima Mark A. Elvin 2003-2-23 2313 Orange Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  CAS-BOT-BC269106  Lolium perenne Ira L. Wiggins 1965-10-24 20290 Orange At corner of Yorba Linda and State College Boulevards, Fullerton Comment
  RSA0011618  Lolium perenne Rankin s.n. Orange Santa Ana Comment
  RSA651759  Lolium perenne Diane T. Liggett 1981-5-16 6 Orange Riverside Freeway (91) east to Imperial Hwy, south to Nohl Ranch Road, east to Serrano Ave., south on Hidden Canyon Road, 1 km into Weir Canyon. Comment
  UCR2521  Lolium perenne subsp. multiflorum F. M. Reed 1928-5-22 5976 Orange South Coast, Laguna Village 30 Comment
  RSA226631  Lolium perenne subsp. multiflorum Christopher Davidson, G. Benny 1971-6-15 1547 Orange Brea Canyon, 0.5 mile N of Central Avenue, along Brea Creek, near Brea Oil Co. wells. Comment
  RSA0011620  Lolium temulentum Rankin s.n. Orange Costa Mesa. Comment
  UCR86995  Lomatium dasycarpum B. G. Pitzer, Stu Hemstreet 1992-5-27 1956 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, along Forest Service Road 3S04 to Blue Jay Group Campground, off Hwy 74 (Ortega Hwy), c. 2 mi west of El Cariso Campground 765 Comment
  RSA542445  Lomatium dasycarpum subsp. dasycarpum Fred M. Roberts 1988-4-10 3913 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout. 415 Comment
  CLARK-A1528-2431  Lomatium lucidum John C. Roos 1960-5-30 Orange Santa Ana Mountains 1066 Comment
  RSA751165  Lomatium lucidum D. E. Bramlet 2008-5-9 4267 Orange Ridgeline between the upper two tributaries of Wier Cyn. 1.2km east of S. Serrano Ave & 1.3km west of Gypsum Cyn. 330 Comment
  RSA0105951  Lomatium lucidum Alan Romspert 1998-5-9 s.n. Orange Gypsum Cyn, Fremont Cyn by road, Santa Ana Mountains. Comment
  RSA658216  Lonicera subspicata var. denudata T. A. Daubert 1991-5-26 668 Orange Tucker Wildlife Sanctuary, Modjeska Canyon, turn around island Comment
  RSA7459  Lonicera subspicata var. denudata C. B. Wolf 1933-8-24 5377 Orange 1/2 mile below summit of Bedford Motorway, east slope of Santa Ana Mountains. 976 Comment
  RSA450859  Lotus argophyllus Gordon Marsh, K. G. Marsh 1977-11-21 s.n. Orange Santa Ana Mts.: N side of Ortega Hwy, near Hwy marker #31, near O.C. Surveyor Bench Mark #3W-24-72. Comment
  RSA234567  Lotus corniculatus James Henrickson 1970-8-22 5300 Orange 2.5 miles NNW of Huntington Beach. 0 Comment
  IRVC15130  Lotus heermannii var. heermannii A. S. Boughey 1968-7-9 383 Orange Santa Ana mtns: upper Santiago Canyon. Peninsular Ranges Comment
  POM50645  Lotus micranthus L. R. Abrams 1901-06 1825 Orange Santiago Peak Trail 915 Comment
  UCR186428  Lotus purshianus Robert DeRuff 1986-6-12 105 Orange Southern Coast, Newport Beach, Newport Back Bay, flats at 23rd St. 1 Comment
  UCR193377  Lotus purshianus A. C. Sanders, Mitch Provance 2008-5-20 35394 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
  POM276672  Lotus scoparius Lyman Benson 1932-3-26 3200 Orange Dana Point. 60 Comment
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Apr 29 2008
  RSA697977  Lotus scoparius Jeanne Paxton 1934-2-25 s.n. Orange Sugar Loaf Canyon, Arch Beach Comment
  UC864897  Lotus scoparius I. W. Clokey 1932-3-1 5329 Orange Laguna Beach Comment
  UCR131881  Lotus scoparius J. Mallory, V. McCoy 1995-7-3 6454- 124 Orange Santa Ana Mountains: Blind Canyon, c. 0.5 mi. NE of confluence w/ Santiago Canyon Wash; north of Irvine Lake. 300 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
  IRVC15131  Lotus scoparius subsp. scoparius A. S. Boughey 1968-7-9 404 Orange Santa Ana mtns: upper Santiago Canyon. Peninsular Ranges 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
  RSA588706  Lotus strigosus Fred M. Roberts, Carol A. Roberts 1990-5-23 4644 Orange Santa Ana Mtns: West Fork, Upper Long Canyon, near Main Divide Truck Trail, 4.5 km SE Los Pinos Peak. 756 Comment
  IRVC21682  Lotus strigosus var. strigosus Fred M. Roberts 1975-5-7 75 60 Orange Dana Point: 0.7km N Dana Hills High School southern coastal 91 Comment
  RSA542578  Lotus strigosus var. strigosus Fred M. Roberts 1988-3-15 3846 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  IRVC2225  Lotus strigosus var. strigosus E. P. Cowper 1964-4-10 Orange Corona del Mar Highschool. Newport Beach Comment
  IRVC24771  Lotus strigosus var. strigosus Fred M. Roberts 1986-4-24 2796 Orange Rancho Mission Viejo: Canyon east of Trampas Canyon, S of Hwy 74, 2.5km E Viejo Survey Mark. Santa Ana Mountains 113 Comment
  RSA697981  Lotus subpinnatus Unspecified s.n. Orange Orange County park Comment
  RSA562727  Lotus unifoliolatus Steve Boyd, T. S. Ross 1992-5-20 7463 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon along canyon floor from crossing Lucas Canyon Trail, upstream 1/4 mile to spur trail leading to old mining habitations in side canyon. 305 Comment
  UCR239881  Ludwigia peploides 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
  SD227815  Lupinus bicolor B. Pitzer 1997-4-15 3147 Orange Crystal Cove State Park, Along Moro Canyon Trail, from beginning to a point ca. 1.75 mi. up the canyon 49 Comment
  UC1287120  Lupinus bicolor C. L. Hitchcock 1966-3-15 24135 Orange 1/2 mi e Brea; e of Brea Comment
  UCR240260  Lupinus bicolor D. E. Bramlet 2003-3-20 3350 Orange South Coast, Donna O'Neill Reserve; NE corner of the reserve, 150 m west of Cristianitos Rd. and 1.9 km north of the E-W access road 134 Comment
  RSA794050  Lupinus bicolor subsp. microphyllus Doris Bowers 1971-4-19 1686 Orange Black Star Canyon Indian Site 762 Comment
  IRVC22067  Lupinus bicolor subsp. microphyllus Fred M. Roberts 1983-3-16 917 Orange Laguna Beach: Sycamore Hills, central ridge, 1.1km NNE jct. El Toro and Laguna Canyon Rds.; 5.4km [ESE] Signal Peak. Southern Coastal 156 Comment
  RSA652742  Lupinus bicolor subsp. microphyllus R. B. Newcom 1948-4-24 26 Orange 3 miles NW of Irvine Park 45 Comment
  IRVC2284  Lupinus bicolor subsp. umbellatus unknown 1965-4-13 HS 0423 Orange Laguna Canyon Southern Coastal Comment
  IRVC15184  Lupinus bicolor subsp. umbellatus 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
  IRVC24765  Lupinus bicolor subsp. umbellatus Fred M. Roberts 1986-4-24 2790 Orange Rancho Mission Viejo: Canyon east of Trampas Canyon, S of Hwy 74, 2.5km E Viejo Survey Mark. Santa Ana Mountains 113 Comment
  UCR234148  Lupinus excubitus Dick Newell, Judy Booth 2012-5-6 248 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Road, 1.2 miles NE of Maple Springs gate, Cleveland National Forest 695 Comment
  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
  RSA0027775  Lupinus excubitus var. hallii Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49692 Orange Northern Santa Ana Mountains: Sierra Peak 900 Comment
  SEINET10870668  Lupinus hirsutissimus Carl B. Wolf 1931-3-6 Wolf 1843 Orange Trabuci canyon, 1/2 mi. Above trabuco oaks, w slope of santa ana mts. 457 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
  CAS-BOT-BC217750  Lupinus longifolius I. M. Johnston 1918-5-4 1897 Orange Back of Laguna Beach 30 Comment
  RSA749636  Lupinus longifolius D. E. Bramlet, Fred M. Roberts 2008-4-4 4173 Orange Loma Ridge, beside existing dirt access rd. 1.16km west of Hicks Haul Rd. and 1.6 km SW of Santiago Cyn Rd. 369 Comment
  RSA749358  Lupinus microcarpus var. microcarpus Fred M. Roberts 2008-4-15 6897 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., east ridge, 1.7 km E Rattlesnake Reservoir dam and 2.2 km W Bee Peak, Irvine Ranch Conservancy. 179 Comment
  UCR177694  Lupinus microcarpus var. microcarpus Fred M. Roberts 2003-5-1 5689 Orange Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.21 km west of Cristianitos Rd. 96 Comment
  UCR191351  Lupinus sparsiflorus A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34638 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 330 Comment
  RSA722339  Lupinus sparsiflorus R. H. McArthur 1934-3-25 s.n. Orange Field W. of Irvine Park. Comment
  IRVC16566  Lupinus sparsiflorus subsp. sparsiflorus Gordon A. Marsh, Karlin G. Marsh 1978-5-2 s.n. Orange Santa Ana Mountains; Silverado Truck Trail. Peninsular Ranges 884 Comment
  IRVC21274  Lupinus sparsiflorus subsp. sparsiflorus Fred M. Roberts, Karlin G. Marsh 1984-2-15 1204 Orange Casper's Regional Park: Rancho: Rancho Carrillo Rd., 1.0km NE Visitor Center; 3.0km SW Lucas Survey Mark, Santa Ana Mountains 150 Comment
  IRVC2305  Lupinus sparsiflorus subsp. sparsiflorus E. P. Cowper 1965-4-3 s.n. Orange Modjeska Canyon Santa ANa Mountains Comment
  RSA542385  Lupinus sparsiflorus subsp. sparsiflorus Fred M. Roberts 1988-3-15 3871 Orange Rancho Mission Viejo: Central Gabio Canyon, 7.0 km E Playa Survey Marker. 162 Comment
  RSA86970  Lupinus sparsiflorus subsp. sparsiflorus F. W. Peirson 1925-4-10 5739 Orange In Silverado Canyon. 610 Comment
  IRVC15180  Lupinus sparsiflorus subsp. sparsiflorus Gordon A. Marsh, K. Conrey 1977-4-14 s.n. Orange Lomas de Santiago: Lomas Ridge, 1/4mi NNW Rattlesnake Canyon Reservoir Dam. Southern Coastal Comment
  SEINET10490976  Lupinus sparsiflorus subsp. sparsiflorus LeRoy R. Abrams 1903-4-19 Abrams 3277 Orange Sandy soil along railroad, near san juan. Comment
  RSA701206  Lupinus succulentus Keith E. Hoffmaster 1928-3-5 s.n. Orange Santa Ana Mountains Comment
  RSA0059075  Lupinus succulentus CNPS Accuracy Assessment Team 2014-5-8 9027 Orange Limestone Canyon. Comment
  IRVC2359  Lupinus truncatus C. Weir 1965-5-9 s.n. Orange Newport Beach, [Newport] Back Bay. Southern Coastal Comment
  UCR193438  Lupinus truncatus A. C. Sanders, Mitch Provance 2008-5-20 35393 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, mouth of Hangman Tree Canyon just above confluence with Santiago Creek Canyon, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  UCR98121  Lupinus truncatus George K. Helmkamp, E. A. Helmkamp 1997-4-24 1653 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
  SEINET12154803  Lupinus truncatus J. F. Bright, Wyman, C. 1938-1 8220 Orange Laguna Beach Comment
  UCR253000  Lycium brevipes var. hassei R. E. Riefner Jr. 1995-3-19 95- 77 Orange South Coast, San Clemente State Beach 40 Comment
  RSA3177  Lycium californicum Carl B. Wolf 1932-3-8 2686 Orange 1/2 mile N of Corona del Mar, Newport Bay. 8 Comment
  RSA700255  Lycopersicon esculentum Fred M. Roberts 2003-7-8 5959 Orange Coastal Plains and Basins; Los Angeles Basin region; Orange Park Acres, along Santiago Creek, 0.5 km E Cannon Road and 0.3 km n Santiago Canyon Road. 117 Comment
  RSA0014851  Lythrum californicum Fred M. Roberts 1999-7-22 5250 Orange Lomas de Santiago: Lomas Ridge, tributary to Limestone Canyon at Dripping Springs. Limestone Wilderness Park. 415 Comment
  UC536934  Lythrum californicum Lawrence M. Booth 1932-6-4 1147 Orange Newport Lagoon Comment
  UCR207599  Lythrum hyssopifolia O. F. Clarke 2004-5-19 s.n. Orange South Coast, Fairview Park, Costa Mesa 24 Comment
  POM49378  Madia elegans subsp. elegans L. R. Abrams 1901-06 1817 Orange Santiago Peak Trail 915 Comment
  RSA679219  Madia gracilis Fred M. Roberts 2003-6-17 5913 Orange Just NE of Falcon roup Camp, 2.1km ESWE Los Pinos Peak just west of main road. 1009 Comment
  UCR193384  Madia gracilis A. C. Sanders, Mitch Provance 2008-5-20 35390 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
  UCSB47588  Madia gracilis Roberts, Jr., Fred 1980-5-3 Orange Santa Ana Mtns., San Juan Canyon near mouth of Viejo Cyn.; below Rte. 74, 2.5 km. by road ENE San Juan Guard Station; 0.5 km. WSW Bm 1100 288 Comment
  CAS-BOT-BC206251  Malacothamnus fasciculatus Louis C. Wheeler 1932-7-9 941 Orange Santa Ana River, 5 mi. below Prado 152 Comment
  CAS-BOT-BC206252  Malacothamnus fasciculatus C. B. Wolf 1931-7-25 1166 Orange Along the road at north side of the Pear Orchard, Rancho Santa Ana, Santa Ana Can. 121 Comment
  RSA647941  Malacothamnus fasciculatus Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-1 17 Orange 1/2 mile south of Chino Hills State Park. 198 Comment
  RSA708288  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 ca. 0.5 acre. 91 Comment
  UCR197686  Malacothamnus fasciculatus A. C. Sanders, Fred M. Roberts 2008-9-18 36064 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 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
  OBI5977  Malacothamnus fasciculatus var. fasciculatus Carl B. Wolf 1931-7-25 2294 Orange N side of the Pear Orchard, Rancho Santa Ana, Santa Ana Can. 122 Comment
  SEINET4039761 Image available Malacothrix floccifera O. M. Clark 1947-1 14373 Orange Crescent Bay. Comment
  UCR228794  Malacothrix saxatilis Dick Newell, Don Millar 2011-5-24 161 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Hicks Haul Road 286 Comment
  CAS-BOT-BC322561  Malacothrix saxatilis var. saxatilis B. Pitzer; M. Georgiady 1997-4-5 3076 Orange Crystal Cove state Park along No Dogs Trail to just below intersection with Poles trail, San Joaquin Hills 152 Comment
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Nov 7 2017
  RSA714449  Malacothrix saxatilis var. saxatilis R. E. Riefner 1999-5-22 99 -289 Orange City of Dana Point, beach west of Pacific Coast Hwy. South of Salt Creek near Ritz Carlton Hotel. 15 Comment
  JEPS36606  Malacothrix saxatilis var. tenuifolia Lawrence M. Booth 1932-7-27 131 Orange Newport Bay Comment
  RSA234493  Malacothrix saxatilis var. tenuifolia James Henrickson 1970-7-25 5039 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
  POM7072  Malacothrix saxatilis var. tenuifolia L. T. Street, G. Williams 1919-5-10 2719 Orange Turnbull Canyon. Near Whittier 305 Comment
  RSA678507  Malephora crocea Valerie Soza, Kevin B. Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary D. Wallace 2001-4-4 1106 Orange Seal Beach National Wildlife Refuge: Seal Beach U. S. Naval Weapons Station, across access road from Nature Center (Bldg 226). 3 Comment
  UCR236677  Malephora crocea Fred M. Roberts, Lee Ann Carranza, Jeff Roseler 2008-10-9 7126 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, at base of cliff along south edge, 0.7 km west of Marine Institute, Dana Point Harbor 3 Comment
  LA62900  Malosma laurina W. E. Pequegnat; 1937-9-6 sn Orange Santa Ana Mountains, Ortega Rd Comment
  UCR208048  Malosma laurina D. E. Bramlet 2004-5-27 3594 Orange Donna O'Neill Reserve, SW corner of Reserve, just east of the Telaga development, 1.43 km west of Cristianitos Road and 1.37 km N of Pico 183 Comment
  RSA702984  Malosma laurina D. E. Bramlet 2004-5-27 3594 Orange Donna O Neill Reserve. Southwest corner of the reserve, just east of the Telaga development. The site is 1.43km west of Cristianitos Rd. and 1.37km north of Pico. 183 Comment
  SEINET10870270  Malosma laurina Charlene A. Bennett 1976-7-21 Bennett 435 Orange Cultivated plants collected in and around the condominium-Pacific Island Estates in Laguna Hills; some native shrubs, etc. 152 Comment
  RSA716091  Malvaviscus arboreus Fred M. Roberts 2006-7-27 6394 Orange San Joaquin Hills: Laguna Beach, Temple Hill, 731 Nyes Place, 1.0km NNE Golf Island. 174 Comment
  RSA234536  Malvella leprosa James Henrickson 1970-7-25 5072 Orange 3 miles NE of Huntington Beach at far northern end of Bolsa Chica Salt Marsh. 0 Comment
  CHSC19526  Marah macrocarpa T. Casale 1974-4-11 1 Orange Ca. 4.1 mi ne of the Mission SanJuan Capistrano on Hwy. 74. 170 Comment
  POM201753  Marah macrocarpa L. M. Booth 1932-5-12 s.n. Orange Newport Bay. Comment
  UC1122839  Marah macrocarpa A. Lewis Mar 1934 339 Orange Santa Ana Canyon Corona Quadrangle Comment
  UCR99891  Marah macrocarpa Scott D. White 1996-12-20 4633 Orange Santa Ana Mountains, above Modjeska Canyon; proposed water tank site 488 Comment
  RSA652419  Marah macrocarpa Harvey Kennedy 1949-2-20 s.n. Orange Newport Beach, back bay. 9 Comment
  RSA733980  Marrubium vulgare Keith E. Hoffmaster 1926-12-18 422 Orange Santa Ana. Comment
  HSC14233  Marrubium vulgare D. W. Snell 1964-3-3 30 Orange 1 mi. E of Brea on Deadora Rd. Comment
  RSA232219  Marrubium vulgare James Henrickson 1970-8-15 5285 Orange 3 miles NW of Huntington Beach, north of Bolsa Bay, 3/4 mile SE of Warner Ave. Comment
  UCSB12635  Marrubium vulgare Whittington, M. 1962-4-20 Orange South side of Back Newport Bay about .5 miles south of salt works, Newport Comment
  POM899  Marsilea vestita I. M. Johnston 1918-4-4 1979 Orange San Jacinto Hills [San Joaquin Hills], Lakes in Laguna Canyon 152 Comment
  CAS-BOT-BC348166  Matricaria discoidea Ira L. Wiggins 1966-4-22 20615 Orange Along Associated Road between Yorba Linda Boulevard and Imperial Highway Comment
  POM311206  Matthiola incana Karen Hosterman 1956-4-7 501 Orange Laguna Beach City, cliff overlooking Crescent Bay. Santa Ana Mtn range, Pacific Ocean drainage. 2 Comment
  UCR156570  Medicago minima Robt. L. Allen 1983-4-13 A 638 Orange Santa Ana, 3030 Camille St. at Arapaho Dr. [E side of Santa Ana River] 21 Comment
  IRVC21997  Medicago polymorpha Fred M. Roberts, G. A. Marsh 1985-3-12 1520 Orange San Clemente; bluffs above El Camino Real, c.a. 1.1km NW Ave. Pico by road; 0.2km E Bench Mark 16 (sect. 32). Southern Coastal 31 Comment
  IRVC2383  Medicago polymorpha C. Thompson 1965-4-10 s.n. Orange Newport Beach; Corona del Mar, Corona Highlands. Southern Coastal Comment
  IRVC2388  Medicago polymorpha Randy Acevedo 1965-5-5 HS 413 Orange Newport Beach; [Newport] Back Bay. Southern Coastal Comment
  UCR156571  Medicago polymorpha J. B. Anderson 1966-4-16 581 Orange South Coast, Corona Del Mar: Buck Gully, 'Little Corona Beach 15 Comment
  UCD107897  Medicago polymorpha Ira L. Wiggins 1966-3-31 20568 Orange Shoulder of Associated Road, 200 m. S of the Imperial Highway, Fullerton. Comment
  UCR208446  Medicago rigidula R. E. Riefner Jr. 2008-5-22 08- 120 Orange South Coast, unincorporated land between the cities of Lake Forest and Rancho Santa Margarita, El Toro Road near Meadow Ridge Drive 362 Comment
  RSA746483  Medicago rigidula R. E. Riefner Jr. 2008-5-12 08 -75 Orange Ladera Ranch, Cecil Pasture at Jerome Rd. 157 Comment
  RSA746516  Medicago rigidula R. E. Riefner Jr. 2007-4-1 07 -165 Orange City of Laguna Niguel, Laguna Niguel Regional Park, general vicinity of La Paz Rd. at Aliso Creek. 70 Comment
  CAS-BOT-BC354338  Medicago truncatula R. E. Riefner, Jr. 2010-6-11 10 -62 Orange City of Fountain Valley, Southpark Ave. at Euclid St. 9 Comment
  RSA747590  Medicago truncatula Fred M. Roberts 2000-5-5 5318 Orange Lomas de Santiago: Loma Ridge, Agua Chinon Cyn., north slope, 1.6 kmSSW Bolero Spr. and 2.6 km W Bolero Lookout. 308 Comment
  UCR208445  Medicago truncatula R. E. Riefner Jr. 2007-4-1 07- 166 Orange South Coast, city of Laguna Niguel, Laguna Niguel Regional Park, general vicinity of La Paz Road at Aliso Creek 230 Comment
  UCR246483  Medicago truncatula R. E. Riefner Jr. 2011-5-20 11- 55 Orange South Coast, city of San Clemente, Avenida La Pata one block west of Calle Extremo at entrance to Richard Steed Memorial Park 161 Comment
  CAS-BOT-BC281596  Melica imperfecta R. C. Wenk; et al. 2008-3-24 718 Orange Chino Hills State Park. South Ridge Rd W of San Juan Hill, going W from Equestrian Staging Area 441 Comment
  CAS-BOT-BC94724  Melica imperfecta R. C. Wenk; P. Hopkinson; M. Hammond; P. Brownsey 2008-3-24 718 Orange Chino Hills State Park. South Ridge Road W of San Juan Hill, going W from Equestrian Staging Area. Top of ridge 1450 Comment
  UCR191361  Melica imperfecta A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34628 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  UCSB52460  Melica imperfecta Roberts, Fred 1983-3-10 Orange Dana Point Headlands; cliff above Dana Point Harbor, south of old Cove Rd.: 0.8 km S Richard Henry Dana School 60 Comment
  POM7085  Melica imperfecta var. flexuosa P. A. Munz, L. T. Street, G. Williams 1919-5-3 2659 Orange Santa Ana River Canyon. Comment
  IRVC2403  Melilotus albus Janet Morgan 1965-3-22 s.n. Orange San Clemente; Elmore Ranch. Southern Coastal Comment
  RSA735161  Melilotus albus A. C. Sanders, Fred M. Roberts 2008-5-6 35211 Orange Lomas de Santiago, lower Hicks Canyon near Irvine Ranch gate and road junction to cement plant 180 Comment
  UCR100459  Melilotus albus B. G. Pitzer 1996-4-30 2766 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  UCR237821  Melilotus albus Mark A. Elvin 2003-2-2 2291 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  RSA5603  Melilotus albus Carl B. Wolf 1932-6-28 3756 Orange Bryant Ranch: along western half of north boundary of 40 acre Valencia orange grove at Bryant Ave. and Hansen Road. 9 Comment
  RSA649318  Melilotus albus L. Fountain 1966-2-16 6 Orange Corner of Bastanchury Road and Cambridge Ave., Fullerton Comment
  SD245370  Melilotus albus R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49585 Orange Santa Ana Mountains: San Juan Canyon aat Lower Picnic Camp, just below Ortega Highway (74). Margins of creek. Comment
  HSC15021  Melilotus indicus S. M. Clapp 1966-4-7 29 Orange 3 mi. from Modjeska Canyon towards Silverado Canyon. 152 Comment
  IRVC23315  Melilotus indicus Fred M. Roberts 1985-7-23 2067 Orange Irvine; San Diego Creek between E Yale Loop and Jeffrey Rd. Southern Coastal 35 Comment
  IRVC2408  Melilotus indicus Polly Brecht 1965-3-30 s.n. Orange Newport Beach; Corona del Mar, Corona del Mar High School. Southern Coastal Comment
  IRVC2424  Melilotus indicus Ed Hazen 1965-4-27 s.n. Orange Costa Mesa; Victoria St. and Victoria Place. Southern Coastal Comment
  UCR258628  Melilotus indicus Fred M. Roberts 2014-4-21 7854 Orange South Coast, SAN JOAQUIN HILLS: Laguna Lake 1 (Upper Laguna Lake), south basin 113 Comment
  UCSB42714  Melilotus indicus Teramura, A. 1970-4-4 Orange Along the R.R. tracts N of the Old Rancho Santa Ana Botanical Gardens 121 Comment
  RSA725523  Mentha spicata var. spicata Fred M. Roberts, Robert L. Allen 2007-9-28 6601 Orange Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado. 347 Comment
  UCR217672  Mentzelia micrantha Fred M. Roberts 2008-5-28 7011 Orange South Coast, Lomas de Santiago, Loma Ridge, south fork of Rattlesnake Canyon, 2.0 km above Rattesnake Reservoir dam and 2.2 km west northwest of Bee Peak 230 Comment
  UCR224406  Mentzelia micrantha Robt. L. Allen, Genevieve Walden 2008-6-26 s.n. Orange Santa Ana Mountains, along access road to Modjeska Peak, outside the sharp bend in the extreme north end of the road. Survey Point #47 1514 Comment
  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
  UCR252194  Mesembryanthemum crystallinum Marissa Manahan 2011-5-7 s.n. Orange Newport Beach, Corona Del Mar State Beach; south of Avocado Ave. off Ocean Blvd. 25 Comment
  UCR25309  Mesembryanthemum crystallinum John C. Roos 1965-6-16 s.n. Orange Dana Point Comment
  UCSB49276  Mesembryanthemum crystallinum Hibbard, Doug 1977-3-4 Orange Black Bay Rd., 0.5 mile from its junction with Jamboree Blvd. Newport Beach Comment
  CAS-BOT-BC435275  Mesembryanthemum nodiflorum Carl B. Wolf 1927-7-23 662 Orange Juste no. of San Clemente Comment
  RSA286421  Mesembryanthemum nodiflorum Mary H. O Brien 1976-5-1 s.n. Orange Bolsa Chica Bay 100 m e. of Hwy 1 opposite Bolsa Chica State Beach entrance station. Edge of a 6X10 meter salt burn. 0 Comment
  RSA588774  Micropus californicus Fred M. Roberts, Carol A. Roberts, D. Bontrager 1990-4-28 4589 Orange Rancho Mission Viejo: Christianitos Canyon, 4.0 kilometers E Playa Survey Marker. 174 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
  RSA663211  Micropus californicus var. californicus R. E. Riefner 2000-4-27 20 -387 Orange NCCP North Ranch Policy Plan Area. Along dirt road running S from Baker Cyn. Road to Silverado Road. 335 Comment
  RSA625807  Microseris douglasii subsp. platycarpha Scott D. White, Noel Davis 1998-4-24 6345 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
  UC1952573  Microseris douglasii subsp. platycarpha D. Bramlet 1994-4-30 2375 Orange At the base of the San Joaquin Hills and east of the Quail hill area. Open flatlands 152 m NW of the end of San Canyon Ave. and some 396 m south of the San diego freeway. Comment
  UCR152762  Microseris douglasii subsp. platycarpha D. E. Bramlet 2004-3-26 3541 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
  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
  RSA95237  Microseris heterocarpa F. W. Peirson 1923-3-25 4252 Orange Aliso Creek, near Laguna Beach. Comment
  RSA965  Microseris heterocarpa J. T. Howell 1928-2-25 832 Orange Orange county: near the ranch houses, Rancho Santa Ana. 152 Comment
  RSA263649  Microseris lindleyi E. W. Lathrop 1966-4-6 6138 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  RSA751989  Microseris lindleyi Fred M. Roberts, Eliza Maher 2008-3-26 6796 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  UCR192480  Microseris lindleyi A. C. Sanders, Fred M. Roberts 2008-3-25 34518 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA649084  Mimulus aurantiacus subsp. australis Karl Price 1988-4-29 20 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
  SEINET10896230  Mimulus aurantiacus subsp. australis Melvin L. Conrad, David B. Dunn 1973-6-13 Conrad 7134 Orange In vicinity of laguna beach. Corolla yellow. 152 Comment
  RSA0013911  Mimulus aurantiacus var. pubescens Fred M. Roberts 2012-4-24 803784 Orange San Joaquin Hills: Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  RSA5275  Mimulus aurantiacus var. pubescens B. D. Stark 1933-1-21 4521 Orange San Clemente. 15 Comment
  RSA55153  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-16 1067 Orange 2.4 mi. N and W of Hwy 1 along Hwy 133 ( Laguna Canyon Rd.) 52 Comment
  UCSB56675  Mimulus aurantiacus var. pubescens Roberts, Fred 1984-2-4 Orange Laguna Beach; South Laguna; Temple Hill; Upper Hobo Canyon; 1.2km NNE Goff Island; 2.4 km S Top of the World School 200 Comment
  RSA564321  Mimulus aurantiacus var. puniceus B. Pitzer, S. Hemstreet 1992-5-27 1965 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
  UCR19078  Mimulus aurantiacus var. puniceus John C. Roos 1965-6-16 s.n. Orange Dana Point Comment
  RSA726130  Mimulus cardinalis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33017 Orange Peninsular Range; Santa Ana Mtns.: San Juan Canyon, from Lower San Juan Picnic Area to ca. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 366 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
  RSA82101  Mimulus clevelandii F. W. Peirson 1923-5-6 3509 Orange Trabuco Canyon to Santiago Peak 915 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
  SEINET7072485  Mimulus guttatus A. G. Vestal 1963-3-27 s.n. Orange At Cai+-ada Gobernadora. Coordinate datum: NAD27. Comment
  RSA715695  Mimulus pilosus Fred M. Roberts, Chris M. Barnhill 2005-9-27 6277 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  CDA41824  Mimulus puniceus Pope & Hill 1957-4-9 s.n. Orange Irvine Ranch. 0 Comment
  UCR106278  Mirabilis californica B. G. Pitzer, M. Georgiady 1997-4-5 3080 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
  HSC16156  Mirabilis laevis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23061 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  RSA698208  Mirabilis laevis Stephen Bruff s.n. Orange Lemon Heights. Comment
  SFV17360  Mirabilis laevis J. N. Hogue, J. D. Dilley, D. L. Bishop 1998-4-9 103 .2 Orange Santa Ana Mountains San Juan Canyon at San Juan Hot Springs. Just inside western boundary of Cleveland National Forest. 213 Comment
  UCR281547  Mirabilis laevis Mitch Provance, Jeremiah George 2017-3-20 317- 123 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
  UC1287146  Mirabilis laevis var. crassifolia C. L. Hitchcock 1966-3-15 24143 Orange Stearns Lease, 1.5 miles E of Brea Comment
  RSA30448  Mirabilis linearis E. L. Paddock 1942-8-12 11295 Orange Stern Ranch, Yorba Linda, John Manassero Lease Comment
  SEINET182350 Image available Monanthochloe littoralis L. M. Booth 1932-5-12 1046 Orange Newport Bay Comment
  UC537286  Monanthochloe littoralis Lawrence M. Booth 1932-7-27 1318 Orange Newport Bay Comment
  RSA0059066  Monanthochloe littoralis CNPS Accuracy Assessment Team 2014-7-8 9567 .1 Orange Upper Newport Bay Nature Reserve. Comment
  IRVC28229  Monardella hypoleuca A. C. Sanders, Mark A. Elvin 2005-9-2 31607 Orange Upper Holy Jim Canyon, a major tributary of Trabuco Cyn, along the trail in switchbacks. Peninsular Ranges, Santa Ana Mtns 820 Comment
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Aug 13 2012
  SEINET9297241  Monardella hypoleuca Unknown 2008-7-16 35845 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi ESE of Tustin. Spring falling from 30 ft. cliffs forming a shaded bowl, with large pool at foot; forest of Quercus agrifolia and Platanus racemosa, with Sambucus mexicana, Rubus ursinus, Solanum douglasii, Heteromeles arbutifolia, RIbes malvaceum, R. speciosum, Rosa californica, Keckiella cordifolia, etc. Locally common rhizomatous perennial on dry slop in open brush, c. 100 m below the spring, between access road and stream. Comment
  RSA0005454  Monardella hypoleuca P. A. Munz 1923-9-7 7742 Orange Trail Trabuco Canyon to Santago Peak 915 Comment
  RSA0005447  Monardella hypoleuca subsp. hypoleuca Fred M. Roberts, R. E. Riefner 1988-7-19 4117 Orange Santa Ana Mtns: Upper Silverado Canyon, Maple Springs Truck Trail, 2.1km NNW Modjeska Peak. 1260 Comment
  RSA0006611  Monardella hypoleuca subsp. intermedia A. C. Sanders, M. A. Elvin 2005-9-2 31615 Orange Santa Ana Mtns.: upper Holy Jim Canyon, a major tributary of Trabuco Canyon, along the trail in the switchbacks. 976 Comment
  SD239801  Monardella hypoleuca subsp. intermedia A. C. Sanders, Mark A. Elvin 2005-9-2 31613 Orange Santa Ana Mountains: near head of Holy Jim Canyon, a major tributary of Trabuco Canyon, along the trail in the switchbacks, below the towers on Santiago Peak (Santiago Peak 7.5'Q) 997 Comment
  UCR158815  Monardella hypoleuca subsp. intermedia A. C. Sanders, Mark A. Elvin 2005-9-2 31615 Orange Santa Ana Mtns., upper Holy Jim Canyon, a major tributary of Trabuco Canyon, along the trail in the switchbacks 976 Comment
  RSA131404  Monardella lanceolata var. lanceolata E. K. Balls 1958-6-27 23285 Orange Santa Ana Mountains: 8 miles SE of Silverado (Gate), Silverado canyon. 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
  IRVC26699  Moraea fergusoniae Mark A. Elvin, J. Liou, J. Carpenter, J. Nguyen 2004-3-8 3173 Orange UCI Arboretum Southern Coastal 15 Comment
  UCR24029  Muhlenbergia asperifolia John C. Roos 1936-10-9 2508 Orange Olive. On the canal bank Comment
  POM156458  Muhlenbergia microsperma Le Roy Abrams 1903-4-18 3260 Orange Trabuco arroyo, near San Juan Capistrano. Comment
  POM193518  Muhlenbergia microsperma J. B. Feudge 1929-4-7 2035 Orange Rancho Santa Ana, N.E. Orange County. 305 Comment
  SBBG89596  Muhlenbergia microsperma J. Hirshberg 1988-6-7 Orange Black Star Cyn 274 Comment
  SD27973  Muhlenbergia microsperma Carl B. Wolf 1932-3-8 2689 Orange 1/2 mi. No. of Corona Del Mar. Borders of Newport Bay, low bluffs 7 Comment
  RSA0010806  Myoporum laetum Fred M. Roberts 2008-5-16 6977 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  RSA696203  Myosotis arvensis Virginia Pritchard, Ruth Greenwald 1938-05 s.n. Orange Santa Ana. Comment
  CAS-BOT-BC259820  Nassella cernua Ira L. Wiggins 1966-3-16 20527 Orange Near entrance to Firestone Boy Scout Reservation Comment
  SEINET6854814  Nassella lepida Fred M. Reed 1929-7-10 s.n. Orange Laguna Beach. Comment
  POM263720  Nassella pulchra E. W. Lathrop 1966-3-23 6105 Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA542547  Nassella pulchra Fred M. Roberts 1988-2-9 3782 Orange Lomas De Santiago: Loma Ridge, 1.5km N Bee Survey Mark., UTM 373 3700m N, 435 200m E 385 Comment
  RSA548874  Nassella pulchra Fred M. Roberts, Dar A. Roberts 1989-3-22 4216 Orange Aliso-Wood Regional Park: Lower Wood Canyon, 3.6km SSE Moulton Peak. 38 Comment
  RSA602779  Nassella pulchra R. E. Riefner Jr., Tony Bomkamp, R. Ramirez 1997-6-11 97 -181 Orange Black Star Canyon, Hidden Ranch. 610 Comment
  UC407317  Nassella pulchra LeRoy Abrams 1903-4-18 3269 Orange Trabuco Canyon Capistrano Comment
  RSA710410  Nasturtium officinale Fred M. Roberts 2005-10-3 6298 Orange San Juan Capistrano: San Juan Creek wash, La Novia Road Bridge to 100m E of bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  RSA697463  Nasturtium officinale Effie Jessup s.n. Orange Irvine Hills. Comment
  RSA703388  Nasturtium officinale R. E. Riefner Jr. 2003-11-30 3 -483 Orange Peters Canyon Channel at Alton St., E of Jamboree Rd. near Irvine City Hall. 22 Comment
  RSA469868  Navarretia hamata M. B. Dunkle 1934-6-18 3966 Orange Upper San Juan Canyon open road, Southern Coastal. Comment
  RSA468366  Navarretia prostrata Anstruther Davidson 1890-05 s.n. Orange Laguna Beach. Comment
  SEINET10939173  Nemacladus ramosissimus Philip A. Munz 1923-9-7 Munz 7769 Orange Santa Anna Mountains, on slopes along trail from Holy Jim Canyon to Santiago Peak 1128 Comment
  RSA699661  Nemophila menziesii Keith E. Hoffmaster 1927-4-8 s.n. Orange Santa Ana Mountains. Comment
  UC484259  Nemophila menziesii C. B. Wolf 1931-3-6 1848 Orange 1 mi below Trabuco Camp Ground (Trabuco Canyon, w slope Santa Ana Mts.); w slope Santa Ana Mts., Trabuco Canyon 609 Comment
  RSA0051320  Nemophila menziesii Ophelia Frost 1932-3-28 s.n. Orange 2 miles NW of H.B. Comment
  RSA0060642  Nephrolepis cordifolia Richard E. Riefner 2011-8-25 11 -120 Orange City of Laguna Beach, Aliso Beach County Park, bluff ca. 0.15 mi. SE of Aliso Way, NW ca. 0.25 mi. of West St. 10 Comment
  UCR266154  Nephrolepis cordifolia R. E. Riefner Jr. 2014-2-24 14- 64 Orange South Coast, city of Dana Point, west c. 0.1 mi from Island Way along Dana Point Harbor Drive, cliff slope immediately south of Santa Clara Avenue and Amber Lantern Street 11 Comment
  IRVC147  Nephrolepis cordifolia Polly Brecht 1965-5-7 HS 541 Orange Newport Beach; Cherry Tree Lane. Southern Coastal Comment
  IRVC156  Nephrolepis exaltata var. bostoniensis Don Pfirrmann 1965-4-30 HS 535 Orange Newport Beach; 259 Mayflower Drive. Southern Coastal Comment
  UCR218454  Nerium oleander Robert DeRuff 2009-1 132 Orange South Coast, Upper Newport Bay, Delhi Ditch and along Back Bay Drive 6 Comment
  RSA699015  Nicotiana glauca Sadie Rutledge s.n. Orange Irvine Hills. Comment
  RSA184099  Nicotiana glauca I. L. Wiggins 1965-11-6 20348 Orange Near well #14, Kramer Oil Estates, near end of county road to Rancho Santa Ana. Comment
  RSA503158  Nicotiana glauca Gary D. Wallace, G. Cromwell 1966-4-16 452 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
  RSA662315  Nicotiana glauca Dolores Perez 1981-4-11 1 Orange Carbon Canyon Rd., 6 miles E. of junction with Ca Hwy 90. Comment
  RSA0060158  Nicotiana quadrivalvis A. C. Sanders, Fred M. Roberts 2008-4-22 34986 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
  UC729955  Nitrophila occidentalis Carl B. Wolf 1932-6-28 3805 Orange edge of field on Bixby Ave. Bryant Ranch; E of SW corner of NW40 of NW160 91 Comment
  RSA323273  Nolina cismontana James C. Dice, Wier 1984-9-23 587 Orange Mission Viejo, 1.2 km NW of Lake Mission Viejo, along south edge of Vista del Lago, just west of Canaveras. 275 Comment
  SD204870  Nolina cismontana R. E. Riefner Jr. 2007-6-14 07 256 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, west fork Fremont Canyon, Donaldson Ranch area. 381 Comment
  UCR207516  Nolina cismontana O. F. Clarke 2006-5-6 s.n. Orange Peninsular Range; Santa Ana Mtns., Coal Canyon 305 Comment
  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
  UC634679  Oligomeris linifolia Herbert L. Mason 1926-4-25 2905 Orange 5 mi s Laguna (above sea) Comment
  UCR204271  Oncosiphon piluliferum Scott D. White, Jeff Lincer 2003-7-7 9616 Orange Coastal Plains & Basins; South Coastal Plain region, Former El Toro Marine Corps Air Station, East of 'El Toro Marine School' and Irvine Blvd.; site of former dump 140 Comment
  UCR240190  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-22 12- 71 Orange South Coast, city of Newport Beach, Newport Bay, Dover Shores, vicinity of West Wind Way and Santiago Drive 22 Comment
  POM285338  Opuntia X occidentalis Lyman Benson 1955-10-17 15599 Orange Moulton Ranch just west of the summit east of Laguna Beach. 152 Comment
  OBI37758  Opuntia X vaseyi D. J. Pinkava & M. G. McLeod, M. G. McLeod 1970-11-8 312 Orange 1/2 mi E of Warner Airport 914 Comment
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Nov 18 2013
  POM288522A  Opuntia littoralis Lyman Benson 1955-10-17 15602 Orange Laguna Beach (north end of town). 30 Comment
  POM317069  Opuntia littoralis David Walkington 1962-11-18 63 Orange West side of N Euclid Ave. north of Sunny Hills West Home, Fullerton. 76 Comment
  CAS-BOT-BC56864  Opuntia oricola B. D. Stark 1933-1-26 4527 Orange Field redacted by CAS, contact the data manager for more information 182 Comment
  POM317070  Opuntia vaseyi David Walkington 1963-3-20 115 Orange At end of Salt River canyon rd., ca. 1 mile west of Rt. 101A and 2 miles north of Dana Point. 46 Comment
  RSA800023  Orcuttia californica Justin M. Wood 2011-6-28 4300 Orange South Coast: City of Costa Mesa. Fairview Park, just WNW of Marison Special Education Center. Just W of parking area. 25 Comment
  RSA708238  Orobanche fasciculata Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6233 Orange Southwest arm of Modjeska Peak, 1.2km SW summit, Main Divide Rd. near jct. of road to summit. 1533 Comment
  CAS-BOT-BC355773  Osmadenia tenella Munz; Street; Williams 1919-5-3 2631 Orange Santa Ana River Canon [Canyon] Comment
  CAS-BOT-BC355777  Osmadenia tenella Helen D. Geis 1902-1-1 s.n. Orange Santiago Creek Comment
  JEPS20235  Osmadenia tenella J. Thomas Howell 1927-7-28 2867 Orange Santa Ana Canyon 182 Comment
  UCR222414  Osmadenia tenella D. E. Bramlet 2008-4-15 4178 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Hicks Canyon, 301 m east of Haul Road & 1.4 km north of Bee Canyon access road 206 Comment
  UCR26878  Osmorhiza brachypoda E. W. Lathrop 1966-3-23 6108 Orange Santa Ana Mtns, Cleveland National Forest, Trabuco District. 4 mi. NE of Lake Irvine, Black Star Canyon Comment
  UC1143153  Oxalis albicans subsp. californica A. Lewis 1934-2-1 262 Orange Santa Ana Canyon Corona quad 152 Comment
  RSA2071  Oxalis californica Carl B. Wolf 1931-3-6 1858 Orange Trabuco Canyon, 1.5 mile below Trabuco Camp Grounds 549 Comment
  UCSB48385  Oxalis californica Roberts, Fred 1982-4-18 Orange San Juan Canyon, Hwy 74, 0.6km SW Lower San Juan Picnic Ground; 1.9km WNW Sitton Peak, Santa Ana Mtns. 420 Comment
  SEINET3093692 Image available Oxalis pes-caprae J. Harry Lehr 1972-3-30 625 Orange Santa Ana Street. 30 Comment
  RSA0038514  Pallenis maritima R. E. Riefner Jr. 2011-7-1 11 79 A Orange city of Laguna Beach, Aliso Creek Beach, rocky shore and bluff between Aliso Beach Park and West Street 4 Comment
  RSA773552  Panicum capillare Fred M. Roberts 2008-6-3 7032 Orange Lomas de Santiago: Loma Ridge, East Fork Rattlesnake Canyon, ca. 2.6 km NE Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak 225 Comment
  UCSB52890  Panicum capillare Roberts, Fred 1984-10-18 Orange Santa Ana Mtns.: San Juan Canyon, 2.5 km. ENE San Juan Guard Station; 4.0 km. WNW Sitton Peak 310 Comment
  POM412  Papaver californicum Crocker 1916-3-28 s.n. Orange Santa Ana Mts. 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
  RSA629715  Parapholis incurva L. C. Wheeler 1947-5-3 6475 Orange Newport Bay. Comment
  CAS-BOT-BC413391  Parietaria hespera var. hespera Carl B. Wolf 1932-7-2 3826 Orange Carbon Canyon, 1/8 mi. below La Vida Springs 213 Comment
  CAS-BOT-BC413392  Parietaria hespera var. hespera Marcus E. Jones 1926-3-13 s.n. Orange Santa Ana Canon [Canyon] Comment
  IRVC22980  Parkinsonia aculeata Karlin G. Marsh 1986-9-12 s.n. Orange Yorba Linda; Santa Ana Canyon, Santa Ana River, north side, Featherly Park south of Esperanza Rd. Santa Ana Mountains 105 Comment
  RSA0088873  Parthenium hysterophorus Jan West 2015-4-22 s.n. Orange Santa Ana, SE corner of E 17th St. and Lincoln Ave., 0.5 km east of I-5 on 17th. 49 Comment
  SD247341  Parthenium hysterophorus Jan West 2015-4-22 Orange Santa Ana, SE corner of E 17th St. and Lincoln Ave., 0.5 km east of I-5 on 17th. Right-of-way between RR tracks and Lincoln, etc. 49 Comment
  CAS-BOT-BC259734  Paspalum distichum Le Roy Abrams 1901-6-12 1762 Orange Near Westminster Comment
  POM1056  Paspalum distichum Daniel J. Crawford 1916-7-26 750 Orange Aliso Canyon Comment
  RSA733143  Paspalum vaginatum R. E. Riefner 2007-10-26 7 -461 Orange City of Newport Beach, North Star Beach, north shore of Newport Bay near North Star Ln. 9 Comment
  UCR204908  Paspalum vaginatum R. E. Riefner Jr. 2007-10-26 07- 461 Orange South Coast, city of Newport Beach, North Star Beach, north shore of Newport Bay near North Star Lane 9 Comment
  RSA0054893  Pectocarya linearis Keith E. Hoffmaster 1932-2-28 62 Orange Santa Ana Mts. Comment
  UCSB15065  Pedicularis densiflora Breedlove, Dennis 1962-3-9 Orange 14.3 miles east of San Juan Capistrano on State 74 335 Comment
  UCSB52873  Pedicularis densiflora A., D.; Roberts, Fred 1983-3-22 Orange Santa Ana Mts.: San Juan Canyon, along Hwy 74, 2.7 km ENE San Juan Guard Station; 3.7 km SSW Sugarloaf Peak 360 Comment
  RSA773505  Pellaea andromedifolia Fred M. Roberts 1999-5-14 5225 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 490 Comment
  RSA783268  Pellaea andromedifolia J. D. Olmsted 1959-4-23 466 Orange Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 762 Comment
  RSA124717  Pellaea andromedifolia var. andromedifolia E. K. Balls, Percy C. Everett 1957-11-25 22840 Orange Upper Trabuco Canyon, 2.2 mi. ne. from entrance to Holy Jim Canyon, 990 Comment
  RSA637491  Pellaea andromedifolia var. andromedifolia Valerie L. Soza, LeRoy Gross 1999-6-8 506 Orange Santa Ana Mountains: Santiago and Modjeska Canyons, above Tucker Wildlife Sanctuary, above the town of Modjeska 518 Comment
  RSA739323  Pellaea mucronata Keith E. Hoffmaster 1931-1-1 33 Orange Santa Ana Mountains Comment
  RSA751159  Pellaea mucronata D. E. Bramlet 2008-4-1 4142 Orange Ridegeline in Upper Hicks Canyon, 136m S of the Haul Rd. 345 Comment
  IRVC3150  Pellaea mucronata var. mucronata E. P. Cowper Orange Trabuco Canyon. Santa Ana Mountains Comment
  RSA660592  Pellaea mucronata var. mucronata R. E. Riefner, Adrian Wolf 2000-6-1 20 -452 Orange NCCP North Ranch Policy Plan Area. N of Irvine Lake and W of Black Star Cyn; W. of dirt access rd. USGS 7.5' Quad: Black Star Canyon. 518 Comment
  IRVC14100  Pellaea mucronata var. mucronata K. Marvosh 1966-5-1 Orange Harding Canyon, 1mi up canyon, 400ft up on slope; dry rocky slope in chaparral and coastal sage scrub. Santa Ana Mountains Comment
  POM11678  Pellaea mucronata var. mucronata P. A. Munz, Johnston 1922-5-18 5305 Orange Santa Ana River Canyon, side of canyon 304 Comment
  CDA2296  Pennisetum setaceum T. C. Fuller 1961-10-17 7156 Orange East side of Hwy. 101 Alt., opposite 2787 So. Pacific Coast Highway, Laguna Beach. 0 Comment
  RSA125875  Pennisetum setaceum P. H. Raven 1957-9-28 11395 Orange Laguna Beach. Comment
  RSA652980  Pennisetum setaceum Darren Day 1984-5-5 19 Orange This plant was found growing on the east side of Laguna Canyon Rd. as you are traveling towards the city of Laguna Beach. This location is approximately 3.4 miles out of town. Comment
  CDA20319  Pennisetum villosum R. Tiffer 2004-11-9 PDR 1367133 Orange Anaheim. 1750 S. Douglass Road. Lawn weed. 0 Comment
  UCR236680  Pennisetum villosum Fred M. Roberts, Sandra L. Leatherman 2008-9-17 7102 Orange Peninsular Ranges, Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana River, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river 87 Comment
  VVC489  Penstemon cordifolius P. J. MacKay 1990-5-25 s.n. Orange Peninsular Range, Hwy 74 near San Juan Hot Springs 198 Comment
  NY661153  Penstemon spectabilis var. spectabilis F. R. Fosberg 1931-6-21 S 5085 Orange Lower Santiago Canyon Comment
  POM351577  Pentachaeta aurea Anstruther Davidson 1893-05 s.n. Orange Santiago Canyon Comment
  RSA759154  Pentachaeta aurea subsp. allenii Robt Allen 2008-3-30 s.n. Orange San Joaquin Hills, Laguna Coast Wilderness Park, along Stagecoach South Trail, about 0.25 air mile S of trailhead near the Nix Nature Center. 163 Comment
  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
  UCSB41755  Peritoma arborea Gittins, Barbara 1963-7-20 Orange Newport Beach; east side of Palisades Road below narrows and boat ramps Comment
  RSA647938  Phacelia cicutaria var. hispida Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-15 26 Orange 1/2 mile south of Chino Hills State Park. 168 Comment
  SBBG6171  Phacelia cicutaria var. hispida J. M. Tucker 1941-5-30 257 Orange Ortega Hwy (St Hwy 74), 2 to 3 mi E of W boundary of Cleveland Nat Forest Comment
  SD152828  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 the silderness in Luca Canyon along a new section of trail heading up major side canyon northward to Sitton Peak Road (7S09). 305 Comment
  RSA699147  Phacelia cicutaria var. hubbyi Helen Stanley s.n. Orange Limestone Canyon. Comment
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Jun 12 2019
  RSA741474  Phacelia cicutaria var. hubbyi R. E. Riefner Jr. 2008-5-13 8 -76 Orange Near City of Orange, W side of Hicks Haul Rd, Irvine Ranch Reserve, Management Area 11.. Comment
  RSA751985  Phacelia distans Fred M. Roberts 2008-3-26 6800 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  UCSB48102  Phacelia distans Roberts, Fred 1982-4-3 Orange Santa Ana Mtns.: Lower Hot Springs Cyn., 0.6 km. by road N of San Juan Guard Station; 0.8 km. WSW Juan Rancho Survey Mark 240 Comment
  UCSB52917  Phacelia distans Roberts, Jr., Fred 1985-3-10 Orange Dana Point Headlands: south of Scenic Dr., 0.3 km. W Dana Point Harbor; 0.8 km. S Richard Henry Dana School 60 Comment
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Feb 22 2019
  RSA699654  Phacelia hispida Keith E. Hoffmaster 1934-4-22 s.n. Orange Santa Ana Mountains Comment
  RSA2096  Phacelia imbricata subsp. bernardina E. R. Johnson 1931-6-1 2233 Orange Roundtop, Rancho Santa Ana. 457 Comment
  RSA708726  Phacelia imbricata subsp. patula Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6222 Orange west slope of Modjeska Peak, Harding Canyon watershed, Main Divide Road, 0.46km W summit. 1670 Comment
  RSA735164  Phacelia minor A. C. Sanders, Fred M. Roberts 2008-5-6 35233 Orange Lomas de Santiago, lower Hicks Canyon, just above tollway (Hwy 241) crossing on Irvine Haul Rd., near debris basin. 216 Comment
  UCR193499  Phacelia minor A. C. Sanders, T. B. Salvato 2008-5-13 35363 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
  RSA428155  Phacelia parryi M. B. Dunkle 1938-3-26 5231 Orange Aliso Canyon. 6 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
  RSA758890  Phacelia parryi A. C. Sanders, Fred M. Roberts 2008-4-22 34990 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
  UCR192504  Phacelia parryi A. C. Sanders, Fred M. Roberts 2008-3-25 34551 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCSB52927  Phacelia parryi Roberts, Jr., Fred 1983-3-16 Orange Laguna Beach; Sycamore Hills, central ridge, 1.1 km. NNE jct. El Toro and Laguna Canyon Rds.; 5.4 km. ESE Signal Peak 156 Comment
  RSA0027430  Phacelia ramosissima Fred M. Roberts 2013-7-18 7663 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
  RSA0125892  Phacelia ramosissima Fred M. Roberts Jr. 2012-5-9 7554 Orange Santa Ana Mountains: Lake Forest. along Serrano Creek, hiking trail, 0.7 km SSW intersection of Commerce Centre and Dimension Drives. 152 Comment
  UCSB48216  Phacelia ramosissima Roberts, Dar; Roberts, Jr., Fred 1983-5-3 Orange Santa Ana Mtns.; Hot Springs Canyon, 0.5 km. by road N of Cal. Rte. 74 (San Juan Guard Sta.) 238 Comment
  CAS-BOT-BC144975  Phacelia ramosissima var. austrolitoralis John Thomas Howell 1927-6-3 2417 Orange On sandy ridge, southern Puente Hills, Santa Ana Canyon 152 Comment
  RSA759151  Phacelia suaveolens subsp. keckii Robt. Allen, Lori Whalen 2008-7-5 s.n. Orange Along Harding Canyon Truck Trail, on the ridgeline south of upper Harding Canyon. 1.55 air miles SW of Maple Springs Saddle - Harding Canyon USFS gate, 0.71 air miles due W of BM 5015 on Main Divide Road, W arm of Modjeska Peak., Survey point no. 38 1298 Comment
  UCR224402  Phacelia suaveolens subsp. keckii Robt. L. Allen, Reginald Durant 2008-5-16 s.n. Orange Santa Ana Mountains, along access road to Modjeska Peak, outside the sharp bend in the extreme north end of the road. Survey Point #47 1514 Comment
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Jul 21 2018
  SD152983  Phalaris aquatica Steve Boyd, Tim Ross 1992-5-19 7450 Orange San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon at the Lucas Canyon Trail crossing 320 Comment
  CAS-BOT-BC259032  Phalaris lemmonii D. E. Bramlet 2003-6-8 3461 Orange South Coast: Fairview Park in Costa Mesa, 152 m west of Canyon School and 396 m NW of intersection of Wilson & Canyon Dr. 24 Comment
  UCR150384  Phalaris lemmonii D. E. Bramlet 1999-5-16 2764 Orange South Coast, Fairview Park, City of Costa Mesa. Some 336 m N of the intersection of Wilson and Canyon Dr. and 152 m west of the Canyon School, on a mesa overlooking the Santa Ana River 43 Comment
  CDA22545  Phalaris minor J. B. Anderson 1966-4-18 597 Orange Mac Arthur Boulevard near Red Hill Road. 0 Comment
  IRVC21636  Phalaris minor R. L. Allen, Fred M. Roberts 1982-7-4 s.n. Orange Carbon Canyon, Carbon Canyon Rd., 0.6km by road SW county line; 2.3km NW Gilman Peak, Chino Hills 250 Comment
  JEPS45890  Phalaris minor Lawrence M. Booth 1932-5-19 1076 Orange Newport Bay Comment
  IRVC1783  Phalaris paradoxa J. B. Anderson 1966-4-26 620 Orange UC, Irvine Campus; S of Science Lecture Hall. Southern Coastal Comment
  RSA627786  Phalaris paradoxa Scott D. White 1998-6-26 6786 Orange South Coast: Univ. of Calif. Irvine Campus. Along mapped intermittent blueline stream just N of Bonita Cyn Dr. 61 Comment
  POM356937  Phalaris paradoxa Anstruther Davidson 1916-6-1 3156 Orange Brea Ranch Comment
  POM3742  Pholistoma auritum D. L. Crawford 1916-07 s.n. Orange Laguna Beach region. 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
  UCSB41810  Phoradendron leucarpum subsp. tomentosum Hufstader, R. 1971-3-24 Orange Trabuce Canyon approx. 7 miles from Santiago Cyn. Rd, 426 Comment
  UCSB52908  Phoradendron leucarpum subsp. tomentosum Roberts, Fred 1984-8-14 Orange Santa Ana Mtns.: Old San Juan Trail, 2.1km SSE Los Pinos Peak* 0.8km SW Blue Jay Camp ground 985 Comment
  UCR234134  Phoradendron villosum Dick Newell 2011-12-27 221 Orange Peninsular Range; Santa Ana Mtns. Region, Lomas de Santiago, along Hicks Haul Rd./Jeffrey Rd. south of Augustine Staging Area/Santiago Canyon rd. 314 Comment
  POM201795  Phyla lanceolata L. M. Booth 1932-7-1 1238 Orange Anaheim Marsh Comment
  RSA434510  Phyla lanceolata Albert J. Perkins 1912-10-15 s.n. Orange Peatlands near head Newport Bay. Comment
  UC25108  Phyla lanceolata A. J. McClatchie 1896-6-20 Orange Westminster Comment
  CLARK-A1528-4427  Phyllospadix torreyi John C. Roos 1960-8-27 Orange Dana Point Comment
  RSA384024  Phyllospadix torreyi Gigas 1832-6-26 15492 Orange Laguna Beach. Comment
  RSA240375  Phyllospadix torreyi M. Gilmartin 1954-2-11 180 Orange Pansey[?] Point, Laguna Beach. Comment
  RSA691  Physalis philadelphica J. T. Howell 1927-7-28 513 Orange West side, Rancho Santa Ana. 152 Comment
  RSA759246  Pickeringia montana var. tomentosa Robert Allen, Celia Kutcher 2007-5-19 s.n. Orange San Juan Trail, North flank of [New] Sugarloaf Peak, circa 2.2 air miles (3595) below (southwest of) trailhead at southern edge of Blue Jay Campground. Circa 2.5 air miles (3973m) above (northeast of) trailhead at Hot Springs Canyon. 886 Comment
  IRVC29822  Picris echioides Artie Thomas, Mark A. Elvin 2006-9-23 609234 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
  RSA17043  Picris echioides C. B. Wolf 1936-1-13 7696 Orange Santa Ana Canyon, Rancho Santa Ana, along R. R. right of way east of Ranch Houses. 137 Comment
  UCR46555  Picris echioides B. G. Pitzer, D. C. Hawks 1986-10-21 0353 A 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
  RSA384289  Pinus attenuata Christopher Davidson 1977-5-18 5600 Orange Santa Ana Mts. Cleveland Nat. Forest. Pleasants Peak (on Orange-Riverside Co. line). 1220 Comment
  RSA731002  Pinus coulteri Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6504 Orange Beek s Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  RSA0054802  Pinus coulteri Keith E. Hoffmaster 1931-1-1 20 Orange Santa Ana Mts. Comment
  UCR186587  Pinus halepensis Robert DeRuff 1995-9-24 240 Orange Southern Coast, Newport Beach, Newport Back Bay, Eastbluff 6 Comment
  RSA651141  Pinus radiata Jack D. Ingwersen 1962-6-2 s.n. Orange Anaheim Comment
  RSA749997  Pinus sabiniana A. C. Sanders 2008-7-3 35716 Orange Lomas de Santiago, Santiago Canyon near mouth of Limestone Cyn., at Agustine Staging Area 260 Comment
  RSA797819  Piperia unalascensis Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49808 Orange Santa Ana Mountains: Trabuco Canyon Comment
  RSA725506  Piptatherum miliaceum Fred M. Roberts 2007-9-11 6569 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA734904  Piptatherum miliaceum A. C. Sanders 2008-5-28 35438 Orange Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  UCSB22859  Piptatherum miliaceum Booth, Lawrence 1932-6-7 Orange Balboa Island, Newport Bay Comment
  RSA715258  Plagiobothrys acanthocarpus R. E. Riefner 2006-4-12 6 -116 Orange Irvine, north foot of San Joaquin Hills, vicinity of Quail Hill, SSW of 405 Freeway and Shady Canyon Rd. 46 Comment
  IRVC25396  Plagiobothrys collinus var. californicus Fred M. Roberts 1987-4-3 3341 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
  SEINET3084078 Image available Plagiobothrys collinus var. californicus Barbara T. Gittins, Oscar F. Clarke 1966-3-19 903 Orange Pacific slope; Irvine Ranch, east of University of California campus at Irvine, Newport Beach Comment
  UCSB52464  Plagiobothrys collinus var. fulvescens Roberts, Fred 1982-4-2 Orange Laguna Niguel; hills, 3.5 km. ESE Aliso Peak; 3.2 km. ESE Alicia Fire Station, N of Del Avion 100 Comment
  RSA450855  Plagiobothrys collinus var. gracilis Gordon Marsh 1978-3-17 s.n. Orange U.C. Irvine Ecological Preserve. 85 Comment
  JEPS68105  Plagiobothrys nothofulvus Alice King 1908-1 Orange Santa Ana Comment
  UCR191013  Plagiobothrys nothofulvus A. C. Sanders, Fred M. Roberts 2008-4-22 35030 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  JEPS57451  Plantago arenaria L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-7-16 2045 Orange North of Newport Beach, across U.S. Highway 101 From Huntington State Beach Comment
  RSA678750  Plantago coronopus Valerie L. Soza, Kevin B. Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary Wallace 2001-4-4 1121 -a Orange Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 3 Comment
  RSA401987B  Plantago erecta Anstruther Davidson 1910-4-1 s.n. Orange Corona Del Mar. Comment
  RSA542449  Plantago erecta Fred M. Roberts 1988-3-15 3868 Orange Rancho Mission Viejo: Central Gabino Canyon, 7km E Playa Survey Marker, 162 Comment
  RSA698374  Plantago erecta Jeanne Paxton 1934-3-11 s.n. Orange Sugar Loaf Canyon - Arch Beach. Comment
  RSA708225  Plantago erecta Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6168 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
  UCR138329  Plantago erecta R. E. Riefner Jr. 2000-3-14 20- 135 Orange Santa Ana Mtns., North Ranch Policy Plan Area, Along dirt road running N from Baker Canyon Road 305 Comment
  SD247682  Plantago erecta R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49669 Orange Northern Santa Ana Mountains: Coal Canyon (NW of Sierra Peak). Comment
  RSA401708B  Platanus racemosa Albert J. Perkins 1915-04 s.n. Orange Santa Ana, Orange County Park. Comment
  RSA652981  Platanus racemosa Darren Day, Hal Willis 1984-5-5 16 Orange This plant was found growing on the east side of Laguna Canyon Rd. as you are traveling towards the city of Laguna Beach. This location is approximately 3.4 miles out of town. Comment
  RSA698371  Platanus racemosa Minor Warne 1934-03 s.n. Orange Gypsum canyon Comment
  UCR195018  Platanus racemosa A. C. Sanders, Fred M. Roberts 2008-8-7 35977 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
  RSA0056334  Platanus racemosa Jim Shevock 1970-4-25 154 Orange Highway 74. 309 Comment
  RSA747622  Platystemon californicus Fred M. Roberts 2008-4-16 6910 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8 km W Marine Institute, Dana Point Harbor. 45 Comment
  CAS-BOT-BC356094  Plecostachys serpyllifolia R. E. Riefner, Jr. 2009-7-18 09 -151 Orange City of Dana Point, beach near Salt Creek, vicinity of Ritz Carlton Resort 2 Comment
  SBBG126059  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-10-22 08 -312 Orange vicinity of W St and Pacific Coast Hwy; City of Laguna Beach 4 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
  SD218281  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-7-26 06 319 Orange City of Irvine, north side of Irvine Blvd. at SR 133 on ramp. Comment
  SD218289  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-23 08 381 Orange City of Laguna Beach, Mountain Rd. at Pacific Coast Highway. 21 Comment
  UCR238457  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-7-18 09- 151 Orange South Coast, city of Dana Point, beach near Salt Creek, vicinity of Ritz Carlton Resort 2.5 Comment
  RSA731529  Plecostachys serpyllifolia R. E. Riefner 2007-4-28 07 -190 Orange City of Newport Beach, Dover Beach, vicinity of Morning Star Ln. and Polaris Dr. 8 Comment
Read comments
Dec 13 2012
  UCR256912  Plectritis ciliosa subsp. insignis Naomi Fraga, Duncan S. Bell 2009-5-11 2710 Orange Santa Ana Mountains, Cleveland National Forest, San Juan Loop Trail just west of Sugarloaf Spur Trail 912 Comment
  IRVC29816  Pluchea odorata Mary H. White 2006-9-23 92306 2 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
  POM4883  Pluchea odorata D. L. Crawford 1916-7-26 s.n. Orange Aliso Canyon. Comment
  JEPS40448  Pluchea odorata var. odorata L. M. Booth 1932-7-19 1272 Orange Bolsa Chica; coastal Orange Co. Comment
  UCR150568  Pluchea purpurascens Scott D. White, Matt Carlton 2003-11-20 9871 Orange South Coastal Plain, Santa Ana Mtn foothills. San Juan Creek in San Juan Capistrano 24 Comment
  CAS-BOT-BC326616  Pluchea sericea John Thomas Howell 1927-7-24 2823 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  POM201633  Pluchea sericea L. M. Booth 835 Orange Santa Ana Canyon. Comment
  RSA716662  Plumbago auriculata Fred M. Roberts, Amber Oneal 2004-8-18 6095 Orange San Juan Capistrno: Ortega Ranch Business Center site, between Rancho Viejo Rd. and I-5 freeway adjacent to Horno Creek; 0.6km NE Mission San Juan Capistrano. 54 Comment
  UCR162343  Plumbago capensis Robert DeRuff 1985-1 250 Orange Southern Coast, Newport Beach, Upper Newport Back Bay, along the path from Mariners Drive to North Star Beach 30 Comment
  CAS-BOT-BC255534  Poa annua Ira L. Wiggins 1966-3-5 20506 Orange Along Highway S-18, about 4.5 miles E of Laguna Beach Comment
  CAS-BOT-BC255537  Poa annua Ira L. Wiggins 1966-2-1 20405 Orange Just E of Letters & Science building, California State College at Fullerton Comment
  RSA0027436  Poa annua Fred M. Roberts 2012-7-18 7677 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
  RSA685929  Poa annua Fred M. Roberts 2003-3-27 5628 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
  RSA731943  Poa annua Fred M. Roberts, Sandy Leatherman 2007-11-27 6692 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  UCR191433  Poa secunda A. C. Sanders, Fred M. Roberts 2008-4-8 34764 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Loma Ridge Spur Rd., above Dripping Springs Loop Rd. 457 Comment
  RSA749472  Poa secunda subsp. secunda Fred M. Roberts, Linda Farley 2008-3-28 6827 Orange Santa Ana Mtns.: Upper Weir Cyn., Irvine Ranch Conservancy, 3.3 km ENE Robbers Peak on ridge north of canyon. 427 Comment
  SD181748  Poa secunda subsp. secunda Valerie Soza, LeRoy Gross 1999-6-7 489 Orange Santa Ana Mountains, west side of Modjeska Peak, along Main Divide Road 1448 Comment
  CAS-BOT-BC225238  Polemoniaceae E. W. Lathrop 1974-6-27 7420 Orange Trabuco Oaks, Trabuca Canyon, Cleveland Nat'l Forest 396 Comment
  UCR102030  Polycarpon tetraphyllum B. G. Pitzer 1997-3-25 3027 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  UCR158812  Polygala cornuta subsp. fishiae A. C. Sanders, Mark A. Elvin 2005-9-2 31608 Orange Santa Ana Mtns., upper Holy Jim Canyon, a major tributary of Trabuco Canyon, along the trail in the switchbacks 881 Comment
  RSA588890  Polygala cornuta var. fishiae Fred M. Roberts 1990-6-4 4664 Orange Santa Ana Mountains: Hall Canyon, 1.8 km NNW Mustang Spring at east edge of Flying B Ranch. 421 Comment
  RSA759150  Polygala cornuta var. fishiae Robt. Allen, Lori Whalen 2008-7-5 s.n. Orange Along Harding Canyon Truck Trail, on the ridgeline south of upper Harding Canyon. 1.55 air miles SW of Maple Springs Saddle - Harding Canyon USFS gate, 0.71 air miles due W of BM 5015 on Main Divide Road, W arm of Modjeska Peak., Survey point no. 38 1298 Comment
  SD245439  Polygala cornuta var. fishiae Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49615 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station, lateral ravine tributary to San Juan Canyon. Comment
  UCR170138  Polygonum aviculare Jeffrey Ross, R. Zaka 1998-5-2 40 Orange South Coast, North side of San Joaquin Hills; William R. Mason Regional Park, near intersection of Yale Avenue and University Drive 27 Comment
  RSA5579  Polygonum aviculare subsp. aviculare Carl B. Wolf 1932-6-28 3763 Orange Bryant Ranch: along western half of north boundary of 40 acre Valencia orange grove at Bryant Ave. and Hansen Road. 9 Comment
  RSA466307  Polygonum coccineum J. Ewan 1931-7-31 4754 Orange Wesefall near Hungtinton Beach. Comment
  RSA21059  Polygonum fusiforme Ramon Valverde 1938-8-4 9445 Orange Rancho Santa Ana, Santa Ana Canyon. 122 Comment
  RSA66319  Polygonum lapathifolium F. W. Peirson 1924-10-19 5233 Orange Wintersberg Comment
  IRVC3043  Polypodium californicum C. Thompson 1965-4-15 HS0570 Orange Trabuco Canyon. Santa Ana Mountains Comment
  POM188245  Polypodium californicum Marcus E. Jones 1931-3-23 20425 Orange Laguna Comment
  RSA21  Polypodium californicum J. T. Howell 1928-2-7 810 Orange Botany Garden, Rancho Santa Ana. 152 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
  SD144152  Polypodium californicum Scott D. White 1996-12-20 4629 Orange Above Modjeska Canyon: proposed water tank site. 424 Comment
  UCSB62512  Polypodium californicum Kiefer, Lawrence 1963-11-17 Orange Laguna Beach, Aliso Canyon, ca. 100 yards up canyon from Aliso Beach parking area, Hwy 101. 45 Comment
  UCSB62525  Polypodium californicum Kiefer, Lawrence 1963-11-17 Orange Santa Ana Mtns., Trabuco Canyon, vicinity of the upper canyon camps. 762 Comment
  SEINET218267 Image available Polypodium californicum Robinson, Crocker 1916-3-28 Orange Santa Ana Mts. Comment
  UCSB62516  Polypodium californicum Kiefer, Lawrence 1963-11-17 Orange Santa Ana Mtns., San Juan Canyon, 2nd ravine W of entrance to lower San Juan Camp, just S of Hwy 74. 426 Comment
  CAS-BOT-BC237265  Polypogon monspeliensis Peter H. Raven 1957-9-28 11375 Orange N limits of Surfside Comment
  IRVC15372  Polypogon monspeliensis J. B. Anderson 1966-4-22 607 Orange San Joaquin Hills: Los Trancos Canyon, along dirt road and near spring. Santa Ana Mountains 122 Comment
  IRVC22745  Polypogon monspeliensis Fred M. Roberts 1985-5-15 1806 Orange San Joaquin Hills: Laguna Canyon; Laguna Lakes, northernmost pond, south margin, 5km ENE Signal Peak. southern coastal 114 Comment
  IRVC8419  Polypogon monspeliensis J. B. Anderson 1966-4-22 607 Orange San Joaquin Hills: Los Trancos Canyon, along dirt road and near spring. Santa Ana Mountains 122 Comment
  UCD91233  Polypogon monspeliensis A. A. Beetle 1942-4-19 3098 Orange Rt. 101. 5 miles south of Laguna Beach. 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
  RSA697711  Polypogon monspeliensis R. H. McArthur 1934-5-10 s.n. Orange Santa Ana River-W. of Costa Mesa. River bottom. Comment
  POM360778  Populus fremontii Marcus E. Jones 1930-3-3 26533 Orange Santa Ana Mountains. Comment
  SD220081  Populus fremontii subsp. fremontii Mark A. Elvin 2004-5-2 3430 Orange Irvine: San Joaquin Freshwater Marsh near Campus and University Drs., 1.7km (air) NNW UC Irvine campus center. 3 Comment
  UCR154273  Populus fremontii subsp. fremontii Mark A. Elvin 2004-5-2 3430 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 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
  POM180684  Porophyllum gracile J. T. Howell 1929-3-2 4097 Orange Rocky hills on N side of Santa Ana Canyon. 152 Comment
  CDA19003  Porophyllum ruderale R. Guerrero 2000-10-17 PDR 1223098 Orange next to Seal Beach Naval Weapons Station, Seal Beach. 0 Comment
  RSA663154  Prunus ilicifolia R. E. Riefner 2000-6-1 20 -455 Orange NCCP North Ranch Policy Plan Area. N of Irvine Lake and W of Black Star Cyn; W. of dirt access rd. 473 Comment
  JEPS20431  Pseudognaphalium biolettii L. M. Booth 1932-5-19 1067 Orange Newport Bay Comment
  RSA609007  Pseudognaphalium biolettii L. M. Booth 1932-5-19 1067 Orange Newport Bay Comment
  RSA696918  Pseudognaphalium biolettii Snow 1929-3-11 36 Orange W. of Orange Co. Park Comment
  UC537076  Pseudognaphalium biolettii Lawrence M. Booth 1932-5-19 1067 Orange Newport Bay Comment
  RSA747708  Pseudognaphalium californicum Fred M. Roberts 2008-5-16 6986 Orange Dana Point: Dana Point Hradland, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor. 75 Comment
  CAS-BOT-BC300530  Pseudognaphalium leucocephalum R. E. Riefner, Jr. 2011-10-19 11 -147 Orange City of San Juan Capistrano, San Juan Creek, ca. 0.2 mi W of intersection of Paseo Tirador and Calle Arroyo St. 31 Comment
  CDA23142  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
  JEPS20500  Pseudognaphalium microcephalum Joseph Andorfer Ewan 1932-7-28 7702 Orange Corona del Mar Comment
  UC536948  Pseudognaphalium ramosissimum Lawrence M. Booth 1932-7-27 1321 Orange Corona del Mar Newport Beach, Corona del Mar 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
  UCSB7993  Pseudotsuga macrocarpa McPherson, James 1966-3-19 Orange On Silverado Canyon Road 6.0 miles east of Silverado Fire Station; Santiago Peak; Santa Ana Mountains 1051 Comment
  UC1952549  Psilocarphus brevissimus D. Bramlet 1995-4-29 2401 Orange Fairview Park, City of costa Mesa. The site is located some 366m n of the intersection of wilson and Canyon Dr. and 152m W of the Canyon School, on a mesa overlooking the Santa Ana River. Comment
  RSA263691  Psilocarphus tenellus E. W. Lathrop 1966-4-10 6155 Orange Silverado Canyon, Santa Ana Mountains, Cleveland National. Forest, Trabuco District. 366 Comment
  RSA599408  Psilocarphus tenellus R. E. Riefner 1997-4-15 97 -128 Orange San Clemente State Beach, south bluff area Comment
  RSA0088602  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. 32 Comment
  UC2046895  Psilotum nudum R. E. Riefner Jr. 2015-8-27 15 -357 Orange City of Laguna Beach, N side of North Coast Highway E side of La Brea St. Comment
  UCR156569  Psoralea macrostachya Gordon Marsh, Karlin G. Marsh 1976-7-8 15014 Orange Peninsular Range; Santa Ana Mtns., Lower San Juan Picnic Grounds, near Calif. Route 74 396 Comment
  UCR174209  Psoralea macrostachya A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33029 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
  POM8744  Pterostegia drymarioides P. A. Munz, R. D. Harwood 1920-4-20 3724 Orange Santa Ana Mountains: Silverado Canon 549 Comment
  RSA678493  Pterostegia drymarioides Fred M. Roberts, Robert L. Allen, Carol Roberts 2003-5-11 5850 Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive. 76 Comment
  SEINET7073416  Pterostegia drymarioides A. G. Vestal 1963-4-24 s.n. Orange La Paz Canyon, Rancho Mission Viejo. Coordinate datum: NAD27. Comment
  UCR194553  Pterostegia drymarioides A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35324 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
  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
  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
  IRVC25158  Pulicaria paludosa Fred M. Roberts 1986-9-3 3127 Orange adjacent to Anaheim, between Yorba Linda Regional Park and Imperial Hwy, Santa Ana River 88 Comment
  UCR174206  Pulicaria paludosa A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33059 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
  UCD47714  Quercus X acutidens John M. Tucker 1941-5-30 255 Orange Low shrub, in San Juan Canyon, 200 yards west of San Juan Guard Station, Highway 74, Orange County, California. Comment
  RSA2110  Quercus agrifolia Carl B. Wolf 1931-3-6 1832 Orange Trabuco Canyon Road, 1.25 miles below Trabuco Oaks. 305 Comment
  RSA697032  Quercus agrifolia Minor Warne 1934-5-10 s.n. Orange Santa Ana Mountains. Comment
  UC484237  Quercus agrifolia C. B. Wolf 1932-3-6 Orange 1.5 mi below Trabuco Oaks (on Trabuco Canyon Road, w slope Santa Ana Mts.); Santa Ana Mts. 304 Comment
  UCR240200  Quercus agrifolia C. J. Minar 1994-4-16 05 Orange South Coast, Santa Ana, on the bank of Santiago Creek, 0.25 mi. east of Santiago St. and 0.25 mi. west of Amtrack RR bridge, east of I-5 Fwy & south of Garden Grove (22) Fwy 50 Comment
  IRVC20824  Quercus agrifolia var. agrifolia Fred M. Roberts 1982-7-25 784 Orange South Laguna; Niguel Hill, canyon on S flank; 0.9km ESE Aliso Peak; 1.1km NNW Bench Mark 133 Southern Coastal 195 Comment
  IRVC22517  Quercus agrifolia var. agrifolia Fred M. Roberts 1985-4-30 1677 Orange Laguna Beach: Temple Hill; at margin of "Dripping Springs Canyon"; 0.4km NNE Top of the World School. Southern Coastal 255 Comment
  UCR237927  Quercus agrifolia var. agrifolia Mark A. Elvin 2003-2-2 2253 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  RSA590959  Quercus berberidifolia Fred M. Roberts, Karlin G. Marsh 1991-4-10 4765 Orange Laguna Beach: South Laguna, Temple Hill, ridge between upper Hobo Canyon and Aliso Gorge, 1.7 km NW Niguel Hill summit. 213 Comment
  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
  UCR119800  Quercus berberidifolia R. E. Riefner Jr. 2000-3-19 20- 144 Orange Santa Ana Mountains, North Ranch Policy Plan Area, top of Gypsum Canyon, Windy Ridge 518 Comment
  UCR242703  Quercus berberidifolia Fred M. Roberts 2012-5-10 7583 Orange SAN JOAQUIN HILLS: Buck Gully, south fork, north slope of Pelican Hill, along Pelican Hills Dr., 0.3 km N summit Pelican Hill. 189 Comment
  RSA638960  Quercus chrysolepis Valerie L. Soza, LeRoy Gross 1999-6-7 485 Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  UC1135371  Quercus chrysolepis A. Lewis Mar 1934 362 Orange Head of Silverado Canyon Corona Quad. 1112 Comment
  RSA659896  Quercus cornelius-mulleri Karl Price 1988-4-29 15 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
  RSA0013860  Quercus dumosa Fred M. Roberts 2012-5-10 7560 Orange San Joaquin Hills: Buck Gully, S Fork, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive. 183 Comment
  RSA584719  Quercus dumosa Fred M. Roberts, Wade 1989-6-21 4391 Orange San Joaquin Hills; Los Trancos Canyon, 1km E summit of Pelican Hill. 98 Comment
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Oct 16 2013
  UCR129347  Quercus dumosa Fred M. Roberts, Karen Kirtland 1989-2-22 4183 Orange San Joaquin Hills, Pelican Hill, 0.4 km ESE of summit 189 Comment
  RSA702211  Quercus engelmannii Fred M. Roberts, Robert L. Allen 2004-1-16 6019 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.56 km SSW Gato Gate and 0.15km W of Cristianitos Rd. 92 Comment
  CAS-BOT-BC487559  Quercus ilex R. E. Riefner, Jr. 2014-11-21 14 -393 Orange City of Lake Forest, English Canyon, Aliso Creek, S of Cherry Ave., end of 2nd St., Aliso Creek Bikeway 135 Comment
  RSA68306  Rafinesquia californica G. R. Campbell 1951-5-30 16101 Orange San Juan Canyon, Ortega Hwy, 4 mi. inside west border of Cleveland National Forest. 152 Comment
  UCSB48080  Ranunculus californicus Fritzke, Sue; Roberts, Fred 1982-4-3 Orange Dana Point: hills, 1.0km N Dana Hills High School; 1.9km W Marco Forster Junior High School 100 Comment
  RSA734148  Ranunculus muricatus Pomeroy 1929-3-8 95 Orange Santa Ana. Comment
  RSA585061  Raphanus raphanistrum D. Atwood 1993-3-29 17737 Orange Huntington Beach along Beach Blvd, 1/2 miles N of the Beach, Comment
  SD152899  Raphanus sativus Steve Boyd, Tim Ross 1992-5-19 7446 Orange Southern Santa Ana Mountains; western edge of the wilderness in Alixo Canyon at the confluence with Lucas Canyon, upstream to the Lucas Canyon Trail crossing. 274 Comment
  RSA0023267  Raphanus sativus R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49780 Orange Santa Ana Mountains: Trabuco Canyon Comment
  RSA797378  Rhamnus californica Minor Warne 1934-4-7 12 Orange Ladd Canyon Comment
  LA207810  Rhamnus crocea subsp. ilicifolia Carl B. Wolf; 1931-3-6 1845 Orange Santa Ana Mountains, Trabuco Canyon, 0.5 mi. above Trabuco Oaks 457 Comment
  CAS-BOT-BC56027  Rhamnus ilicifolia P. C. Everett 1936-9-19 8269 Orange Santa Ana Mts., Silverado Canyon, in vicinity of Forest Service Gate at base of road 762 Comment
  CAS-BOT-BC56041  Rhamnus ilicifolia John Thomas Howell 1927-6-17 2548 Orange hills on north side of Santa Ana Canyon 152 Comment
  OBI5938  Rhamnus ilicifolia Carl B. Wolf 1931-3-6 1845 Orange W slope Santa Ana mts, Trabuco cyn, 1/2 mi above Trabuco oaks 457 Comment
  SBBG27367  Rhamnus ilicifolia P. C. Everett 1935-6-17 Orange Coldwater Cyn, 0.5 mi above Glen Ivy Resort 457 Comment
  RSA0054853  Rhus laurina Grace Adams 1938-5-28 s.n. Orange Santiago Creek. Comment
  CAS-BOT-BC167933  Rhus ovata Carl B. Wolf 1941-9-21 6138 Orange Silverado Canyon, Santa Ana Mts. 731 Comment
  SEINET10494685  Rhus ovata Melvin L. Conrad, David B. Dunn 1973-6-13 Conrad 7138 Orange In vicinity of Laguna Beach. Shrub about 4 ft tall. 152 Comment
  UCSB41759  Rhus ovata Miller, Marsha 1965-1-15 Orange Trabuca Canyon road to lower camp ground Comment
  SEINET10494684  Rhus ovata Charlene A. Bennett 1976-7-21 Bennett 437 Orange Cultivated plants collected in and around the condominium-Pacific Island Estates in Laguna Hills; some native shrubs, etc. 152 Comment
  SD152831  Ribes californicum var. hesperium Steve Boyd, Tim Ross 1992-5-20 7460 Orange Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Western edge of the wilderness 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
  RSA0024854  Ribes cereum L. C. Hull 1934-2-11 s.n. Orange Black Star Canyon Rd. Comment
  CAS-BOT-BC173126  Ribes indecorum Robert J. Weatherby 1950-2-25 1026 Orange Harding Canyon, Santa Ana Mts. 822 Comment
  UCSB48367  Ribes indecorum Roberts, Fred 1982-4-18 Orange SANTA ANA MTNS; Hot Springs Canyon; 0.8km SW Falcon Group Camp 306 Comment
  CAS-BOT-BC168941  Ribes malvaceum B. D. Stark 1932-2-22 2662 Orange Rancho Santa Ana, Santa Ana Canyon, in canyon west of Roundtop Peak 457 Comment
  CAS-BOT-BC168942  Ribes malvaceum B. D. Stark 1932-12-30 4456 Orange Rancho Santa Ana, 1/4 mi. W. of Roundtop Peak 457 Comment
  UC1127273  Ribes malvaceum R. St. John 1931-2-13 191 Orange 1 mi w Plot 100 Elsinore Trabuco Canyon; Elsinore Quadrangle 1066 Comment
Read comments
Nov 27 2011
  UCR246519  Ribes malvaceum var. malvaceum Fred M. Roberts, Sandra L. Leatherman 2013-2-13 7722 Orange Santa Ana Mountains, ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km southeast of the town of Modjeska 800 Comment
  RSA5383  Ribes malvaceum var. viridifolium B. D. Stark 1932-12-30 4456 Orange Rancho Santa Ana, 1/4 mile W of Roundtop. 457 Comment
  POM6324  Ribes speciosum P. A. Munz, L. T. Street 1919-5-4 2684 Orange Laguna Canyon. Comment
  POM6387  Ribes speciosum P. A. Munz, L. T. Street 1919-5-3 2664 Orange Santa Ana River Canyon. Comment
  RSA351  Ribes speciosum J. T. Howell 1928-3-18 888 Orange Aliso Canon [Canyon], Rancho Santa Ana. 229 Comment
  RSA602110  Ribes speciosum Scott D. White 1997-5-6 5038 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
  UCR3197  Ribes speciosum Chuck Elliott 1964-5-2 s.n. Orange Los Angeles Basin Region, Carbon Canyon 61 Comment
  RSA648947  Ricinus communis Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-15 24 Orange 1/2 mile south of Chino Hills State Park. 167 Comment
  RSA650824  Ricinus communis Daniel Truong 1991-5-5 2 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of ''closed area. Comment
  RSA652429  Ricinus communis Norman Willis 1948-2-8 s.n. Orange 2 miles E of Orange. 60 Comment
  RSA314  Romneya coulteri J. T. Howell 1924-7-24 472 Orange Claymine Canyon near Sierra Peak. 168 Comment
  RSA446208  Romneya coulteri M. B. Dunkle 1933-5-30 3573 Orange Santa Ana River Canyon Comment
  RSA602111  Romneya coulteri Scott D. White 1997-5-6 5035 Orange Santiago Canyon: ca. 1.5 mi N. of Modjeska Canyon. 'Lomas de Santiago' S178 351 Comment
  UC1018189  Romneya coulteri J. Warren 1952-5-23 Orange Santa Ana Canon 457 Comment
  UC144803  Romneya coulteri Katharine Brandegee June 1910 Orange The Dumps Anaheim Comment
  UC1618115  Romneya coulteri Donald G. Nelson 1936-6-5 435 Orange Hills NE of Fullerton 91 Comment
  UCR5669  Romneya trichocalyx Kenneth Hibberd 1966-5-8 660508- 01 Orange El Toro Rd. 3 mi. east of El Toro. 213 Comment
  POM1501  Rosa californica D. L. Crawford 1916-07 s.n. Orange Near Laguna Comment
  UCR16768  Rosa californica Dave Cerf 1971-5-2 s.n. Orange Orange Park Acres. Windes Dr. 0.5 mile SW of end of road 244 Comment
  RSA528057  Rosmarinus officinalis A. C. Sanders 1990-10-6 10220 Orange Newport Back Bay, SW side at North Star County Beach, ca. 1 mi. inland from Hwy 1 (Pacific Coast Hwy). 1 Comment
  UCD125433  Rosmarinus officinalis A. C. Sanders 1990-10-6 10220 Orange Newport Bay, North Star County Beach area on the SW end of the bay, ca. 2 km inland of Hwy 1. 1 Comment
  UCR193809  Rubus ursinus A. C. Sanders, Fred M. Roberts 2008-7-16 35833 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, canyon c. 0.12 mi. below Dripping Spring, c. 7.5 mi. ESE of Tustin 360 Comment
  RSA5814  Rumex conglomeratus Carl B. Wolf 1932-6-28 3806 Orange Bryant Ranch: Edge of field on Bixby Ave. 9 Comment
  RSA5929  Rumex conglomeratus Carl B. Wolf 1932-7-2 3823 Orange Carbon Canyon, 1/8 mile below La Vida Springs [La Vida Mineral Springs]. 213 Comment
  UC536909  Rumex crispus Lawrence M. Booth 1932-5-12 1051 Orange Newport Bay Comment
  UCD101162  Rumex crispus Scott D. White 1997-3-26 4811 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. 304 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
  RSA466284B  Rumex crispus M. B. Dunkle 1933-4-9 3289 Orange Dana Point. Comment
  RSA74870  Rumex crispus Elroy Robinson 1935-6-28 s.n. Orange Anaheim, Santa Fe Railway. Comment
  POM17440  Rumex salicifolius P. A. Munz 1923-4-1 6597 Orange Laguna Lakes 61 Comment
  RSA685938  Rumex salicifolius Fred M. Roberts 2003-3-27 5629 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
  JEPS39862  Rumex salicifolius var. salicifolius Lawrence M. Booth 1932-7-4 1245 Orange Newport Bay Comment
  SD80939  Ruppia maritima James Henrickson 1970-7-24 5023 Orange 3 miles NW of Huntington Beach; along margins, beach in shallow water of Inner Bolsa Bay Comment
  RSA0014448  Ruta chalepensis Justin M. Wood 2010-3-4 1422 Orange Santa Ana Canyon: Chino Hills State Park property just west of Green River Golf Course on buff south of the river. 131 Comment
  UCR219852  Sagina decumbens subsp. occidentalis Fred M. Roberts 1999-4-26 5201 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, ridge between Limestone Cyn and the Santiago Canyon Wash, 1.7 km SE Silverado School, 2.4 km north Bolero Lookout 411 Comment
  SD72734  Salicornia bigelovii F. R. Fosberg 1931-8-19 7286 Orange Salt marsh, Newport Bay. Comment
  SD80924  Salicornia bigelovii James Henrickson 1970-9-5 5314 Orange 3.5 miles northwest of Huntington Beach, 0.25 mile southeast of Warner Avenue. 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
  SFV20026  Salicornia pacifica A. Dittmer, S. Dark 2004-10-3 74 Orange Bolsa Chica wetlands. South side of public parking lot off Highway 1. Comment
  UCR108429  Salicornia virginica L. C. Wheeler 1946-9-28 6384 Orange Newport Bay, Newport Bay 5 Comment
  RSA478907  Salicornia virginica Anstruther Davidson 1902-09 s.n. Orange Newport Beach. Comment
  CAS-BOT-BC129739  Salix bonplandiana John Thomas Howell 1927-7-14 2773 Orange Santa Ana River bottom, Santa Ana Canyon [Canon] 152 Comment
  POM201876  Salix exigua L. M. Booth 1932-7-19 1281 Orange Bolsas Marsh. Comment
  RSA4248  Salix exigua Carl B. Wolf 1932-4-15 2954 Orange Rancho Santa Ana, near Santa Ana River and south of pear orchard, Santa Ana Canyon. 122 Comment
  LA208643  Salix exigua var. hindsiana Carl B. Wolf; 1932-4-15 2953 Orange Santa Ana Canyon, Rancho Santa Ana, near Santa Ana River, S of pear orchard, in Botanic Garden 120.0 Comment
  UC537274  Salix exigua var. hindsiana Lawrence M. Booth 1932-7-19 1281 Orange Bolsas Marsh Comment
  IRVC29700  Salix gooddingii Mark A. Elvin, Barry S. Nerhus 2006-11-4 5241 Orange Huntington Beach; 1.5 km SW of Wintersburg, SW of jct Slater and Goldenwest; Shipley Nature Center. Southern Coastal 1 Comment
  POM182034  Salix gooddingii Carl B. Wolf 1932-4-15 2955 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon. 120 Comment
  RSA4250  Salix gooddingii Carl B. Wolf 1932-4-8 2950 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon, at southeast corner of pear orchard. 120 Comment
  RSA748273  Salix gooddingii A. C. Sanders, Fred M. Roberts 2008-6-17 35515 Orange middle section of Weir Canyon, SSE of Walnut Canyon Reservoir 225 Comment
  SD133007  Salix gooddingii Andy C. Sanders 1990-10-6 10184 Orange Newport Bay, North Star County Beach on the SW end of the bay, ca 2 km inland of Hwy 1 3 Comment
  UC143097  Salix gooddingii LeRoy Abrams 1903-4-16 3256 Orange Santa Ana R. near Orange Comment
  UC846812  Salix gooddingii L. R. Abrams 1913-7-14 5005 Orange Santa Ana R. Bridge near Orange (Type Station) Comment
  UCR237820  Salix gooddingii Mark A. Elvin 2003-2-2 2288 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 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
  RSA0034669  Salix hindsiana var. leucodendroides Carl B. Wolf 1932-3-16 2715 Orange Rancho Santa Ana, Santa Ana River bottom. 121 Comment
  RSA16482  Salix laevigata Percy C. Everett 1935-6-19 7225 Orange Main Divide Motorway, Bear Spring. 1220 Comment
  RSA357007  Salix laevigata Robert F. Thorne 1975-4-6 45570 Orange San Joaquin Marsh: Near Irvine and coast. Comment
  SD1032  Salix laevigata Carl B. Wolf 1932-4-8 2949 Orange Rancho Santa Ane, near Santa Ana River, Santa Ana Canyon 120 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
  POM362785  Salix lasiolepis E. Crow 1929-4-7 316 Orange Corona Skyline Drive. Comment
  RSA221065  Salix lasiolepis E. W. Lathrop 1966-4-6 6137 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  RSA725509  Salix lasiolepis var. lasiolepis Fred M. Roberts 2007-9-11 6565 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  POM177833  Salix lucida subsp. lasiandra Marcus E. Jones 1930-2-2 s.n. Orange Near Laguna. Comment
  CAS-BOT-BC126314  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
  UCR197705  Salsola australis A. C. Sanders, Fred M. Roberts 2008-9-18 36080 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  CAS-BOT-BC176975  Salsola tragus Ira L. Wiggins 1965-11-6 20350 Orange Near Well No. 14, Kraemer Oil Estates, near end of road leading to Rancho Santa Ana 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
  IRVC418  Salsola tragus A. Adams 1965-5-2 Orange Newport Beach, Corona del Mar, Little Corona Beach. Southern Coastal Comment
  RSA5504  Salsola tragus C. B. Wolf 1932-6-28 3758 Orange Bryant Ranch: along western half of north boundary of 40 acre Valencia orange grove at Bryant Ave. and Hansen Road. 9 Comment
  RSA723482  Salsola tragus R. E. Riefner 2007-1-20 7 -16 Orange City of Lake Forest, along Bake Pwky. at Dimension Rd. 217 Comment
  RSA697874  Salvia apiana L. C. Hull 1934-4-27 s.n. Orange Trabuco Canyon. Comment
  UC1124655  Salvia apiana A. Lewis 1934-5-1 434 Orange Los Pinos Peak; Cleveland National Forest, Elsinore Quad. 1036 Comment
  UCR192094  Salvia apiana A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35292 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  UCR97885  Salvia apiana George K. Helmkamp, E. A. Helmkamp 1997-4-24 1664 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
  OBI30083  Salvia carduacea T. Pringle 1966-4-27 91 Orange RR Cyn Rd by RR Cyn Lake turnoff Comment
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Sep 6 2020
  RSA722335  Salvia carnosa Seacord s.n. Orange Victor Valley-Mohave. Comment
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Sep 6 2020
  RSA722336  Salvia columbariae L. C. Hull 1934-5-6 s.n. Orange Trabuco Canyin. Comment
  SD42978  Salvia columbariae EB H mar 1948 Orange Ner San Juan Camp Comment
  UCR215306  Salvia columbariae Fred M. Roberts, Eliza L. Maher 2008-3-26 6795 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of Marine Institute, Dana Point Harbor 60 Comment
  POM21174  Salvia leucophylla Helen D. Geis 1902-05 s.n. Orange Santa Ana Mtns: Santiago Canyon. Comment
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Dec 1 2016
  SD43536  Salvia leucophylla Carl B. Wolf 1943-6-8 11449 Orange Rancho Santa Ana Botanic Garden; on dry brushy hillside. 198 Comment
  UCR228791  Salvia leucophylla Dick Newell, Don Millar 2011-5-10 147 Orange Peninsular Range; Santa Ana Mtns., along MWD service road between Outdoor Education Center and Fremont Canyon, 0.2 mi. above Peters Cyn. Rd. 193 Comment
  UCD125599  Salvia leucophylla J. E. Eckert 1945-6-28 s.n. Orange location unknown. Comment
  CAS-BOT-BC229980  Salvia mellifera R. J. Barr 1967-5-11 67 -178 Orange Roadside east of El Toro, Santa Ana Mountains 182 Comment
  HSC14367  Salvia mellifera T. L. Ackerman 1964-3-28 10 Orange Irvine Park Dr. inside Irvine Park Comment
  RSA650628  Salvia mellifera Daniel Truong 1991-5-13 23 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of 'closed area' Comment
  UCR131880  Salvia mellifera J. Mallory, V. McCoy 1995-6-30 6454- 60 Orange Santa Ana Mountains: S-facing slope on Windy Ridge, c. 2.5 mi. south of 91 fwy. Comment
  RSA0034529  Salvia mellifera Paul Shirokawa 1998-4-24 7 Orange Cleveland National Forest - Trabuco Ranger District, 2.9 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 975 Comment
  RSA713909  Salvinia molesta Richard E. Riefner 2004-9-25 4 -441 Orange City of Anaheim, floodplain N of Santa Ana River, Anaheim Wetlands Reserve, ca. 0.5 km E of Wier Canyon Rd. 102 Comment
  RSA724121  Salvinia molesta Richard E. Riefner 2005-9-30 5 -700 Orange City of Huntington Beach, Huntington Central Park at Goldenwest St. 1 Comment
  IRVC334  Sambucus mexicana B. Mawdsley 1965-5-2 Orange Cleveland National Forest; Silverado [Canyon]. Santa Ana Mountains Comment
  RSA650821  Sambucus mexicana Daniel Truong 1991-5-13 6 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of 'closed area' Comment
  RSA751420  Sambucus mexicana A. C. Sanders, Fred M. Roberts 2008-7-3 35691 Orange Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir 275 Comment
  UCR177691  Sambucus mexicana Fred M. Roberts 2003-5-1 5684 Orange Coastal Plains & Basins; South Coastal Plain region, Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.60 km SSW Gato Gate and 0.16 km west of Cristianitos Rd. 93 Comment
  UCR233745  Sambucus nigra Fred M. Roberts 2008-6-12 7039 Orange Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd. 251 Comment
  RSA749317  Sanicula bipinnatifida Fred M. Roberts, Linda Farley 2008-3-28 6819 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork along ridge just west of SR241, 3.4 km E Robber s Peak, Irvine Land Conservancy. 437 Comment
  SBBG61402  Sanicula crassicaulis E. Rockwell -Mar-1920 1119 Orange Silverado Cyn Comment
  SD144083  Sanicula crassicaulis Scott D. White 1997-3-28 4832 Orange Santa Ana Mts.: above Modjeska Canyon: proposed water tank site. 424 Comment
  SD236165  Sanicula crassicaulis A. C. Sanders, Fred M. Roberts 2008-5-6 35267 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, slope SE of road junction along ridge road, near head of Aqua Chinon Cnayon, 2.4 miles north of El Toro 470 Comment
  RSA471472  Sanicula crassicaulis Christopher Davidson 1977-5-18 5636 Orange Cleveland National Forest, Falcon campground. 1006 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
  RSA731972  Sanicula crassicaulis var. crassicaulis A. C. Sanders, Fred M. Roberts 2008-4-8 34768 Orange Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Loma Ridge Spur Rd., above Dripping Springs Loop Rd. 457 Comment
  RSA729933  Schefflera actinophylla A. C. Sanders, Mark Elvin 2006-12-22 33275 Orange South Coast: Irvine, UCI campus SW of intersection of Jamboree Blvd. and Campus Dr., just outside entrance to UCI Herbarium 15 Comment
  SD253898  Schinus molle Jim Riley 2013-12-10 137 Orange San Clemente area; 0.29 miles E intersection Avenida Pico and Camino La Pedriza; just N San Diego County line 74 Comment
  SD124484  Schinus terebinthifolius Barry A. Prigge 1983-12-17 5520 Orange Santa Ana Marsh, southeasternmost part of oil field just north of Pacific Coast Highway between remnant Santa Ana River channel and dirt road. Comment
  RSA0070787  Schoenoplectus acutus CNPS Accuracy Assessment Team 2014-4-30 9268 Orange Peters Canyon Regional Park. Comment
  POM6359  Schoenoplectus americanus Phillip A. Munz, L. T. Street, G. Williams 1919-5-3 2652 Orange Santa Ana River Canyon. Comment
  UCR193036  Schoenoplectus americanus A. C. Sanders, Fred M. Roberts 2008-6-17 35493 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
  UCSB52891  Schoenoplectus americanus Roberts, Fred 1984-10-18 Orange Santa Ana Mtns.: San Juan Canyon, 2.5 km. ENE San Juan Guard Station; 4.0 km. WNW Sitton Peak 310 Comment
  RSA0059074  Schoenoplectus americanus CNPS Accuracy Assessment Team 2014-7-9 9308 Orange Upper Newport Bay Nature Reserve. Comment
  RSA92  Schoenoplectus americanus J. T. Howell 1927-7-19 444 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  POM1385  Schoenoplectus californicus D. L. Crawford 1916-8-2 736 Orange Laguna Canyon. Comment
  RSA5934  Schoenoplectus californicus Carl B. Wolf 1932-7-7 3862 Orange Opposite the Bryant Ranch: on N side of Bryant Avenue, 0.5 mile east of Los Alamitos Boulevard near Los Alamitos. 8 Comment
  RSA233015  Schoenoplectus maritimus Christopher Davidson, Gerald L. Benny 1971-6-15 1554 Orange Carbon Canyon, 1 mile SW of Carbon Canyon mineral spring. Comment
  RSA97  Schoenoplectus maritimus J. T. Howell 1927-6-30 237 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA226634  Scirpus acutus var. occidentalis Christopher Davidson, Gerald L. Benny 1971-6-15 1540 Orange Brea Canyon, 0.5 mile N of Central Avenue, along Brea Creek, near Brea Oil Co. wells. Comment
  RSA542336  Scirpus microcarpus Fred M. Roberts 1988-5-13 3973 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon at spring, 2.5 kilometers NW Bolero Lookout. 428 Comment
  SD253872  Scirpus microcarpus Jim Riley 2013-10-15 117 Orange San Clemente area; 0.56 miles ESE intersection Avenida Pico and Camino La Pedriza; just N San Diego County line 68 Comment
  UC1011912  Scrophularia californica subsp. floribunda F. W. Pennell and E. M. Harvey 1949-6-29 26811 Orange above San Juan Capistrano (pass at summit of Ortega Hwy) 792 Comment
  CAS-BOT-BC414243  Searsia lancea R. E. Riefner, Jr. 2014-11-21 14 -391 Orange City of Lake Forest, English Canyon, Aliso Creek, vicinity of Cherry Ave. and Fernbank Ave. 145 Comment
  UCR130352  Searsia pendulina A. C. Sanders, Mark A. Elvin 2003-10-12 27325 Orange Southern Coastal Slope, Irvine, UCI Arboretum, UCI campus near intersection of Jamboree Blvd. and Campus Dr. 15 Comment
  POM18122  Selaginella asprella Philip A. Munz 1923-9-7 7744 Orange Santiago Peak in Santa Ana Mountains. 1706 Comment
  RSA678518  Selaginella asprella Fred M. Roberts, Kirsten Winter, Leanne Naue 1997-6-5 5041 Orange Santa Ana Mtns.: Modjeska Peak, above Main Divide Truck Trail, 0.5km (aerial) W summit. 1483 Comment
  RSA518450  Selaginella bigelovii C. W. Tilforth, Dorothy Tilforth 1977-3-6 1254 Orange Small canyon west of Gypsum Canyon, south side of Santa Ana River, Santa Ana Canyon 152 Comment
  SFV17365  Selaginella bigelovii J. N. Hogue, J. D. Dilley, D. L. Bishop 1998-4-9 104 .4 Orange Santa Ana Mountains San Juan Canyon, 0.5 miles southwest of Lower San Juan Picnic Area at highway marker 14. 366 Comment
  UCSB56506  Senecio aphanactis Marsh, K. 1978-3-16 Orange U.C. Irvine Ecological Preserve: Hill #1 51 Comment
  IRVC894  Senecio californicus C. Weir 1965-4-17 Orange Newport Beach; Balboa Island. Southern Coastal Comment
  RSA17009  Senecio californicus P. C. Everett 1936-3-19 7732 Orange Santa Ana Botanic Garden. 183 Comment
  RSA749849  Senecio californicus D. Bramlet, Jim Harrison 2008-4-3 4148 Orange South Bee Canyon, Bowerman landfill site. 1.2 km S of the Bee Cyn. access road, and 122 m W of the active landfill. Comment
  UCSB48048  Senecio flaccidus var. douglasii 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
  RSA641384  Senecio linearifolius Scott D. White 1998-6-26 6783 Orange South Coast: Univ. of Calif. Irvine Campus. Along mapped intermittent blueline stream just N of Bonita Cyn Dr. 61 Comment
  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
  UCD135863  Senecio vulgaris Ira L. Wiggins 1966-3-5 20503 Orange Roadside shoulder along Highway S-18, about 4.5 miles east of Laguna Beach. Comment
  RSA383927  Sequoia sempervirens Albert J. Perkins 1915-3-30 s.n. Orange [Timmon s Dooryard] N. Main St. Santa Ana Calif. Comment
  RSA5954  Sesuvium verrucosum C. B. Wolf 1932-7-7 3847 Orange Bryant Ranch, 100 ft. N of Bixby Ave. & 7/10 miles W of Hansen road., (100 ft. N & 2/10 mi. W of SE corner of NE 1/4 of NW 1/4 of sect. 34 T4S R11W) Comment
  RSA655602  Sesuvium verrucosum A. C. Sanders 2000-4-19 23334 Orange Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St. 0 Comment
  UCR112115  Sesuvium verrucosum A. C. Sanders, D. Malueg, K. D. Jones 2000-4-19 23334 Orange Pacific Coast, Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St. 11 Comment
  IRVC1829  Setaria sphacelata I. L. Wiggins 1965-9-26 20266 Orange California State College at Fullerton: orange grove just S of Letters and Science Building. Southern Coastal Comment
  UCR191009  Sidalcea malviflora A. C. Sanders, Fred M. Roberts 2008-4-22 35018 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  UCSB47611  Sidalcea malviflora Roberts, Fred 1980-5-3 Orange 0.1km NE Falcon Group Camp, Santa Ana Mtns. 1012 Comment
  CAS-BOT-BC384498  Silene antirrhina Helen D. Geis 1902-1-1 522 Orange Santiago Cr. Comment
  RSA680737  Silene antirrhina Scott D. White 2003-3-21 8819 Orange Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 122 Comment
  RSA773513  Silene antirrhina Fred M. Roberts 1999-5-3 5203 Orange Lomas de Santiago: ridge between Limestone Canyon and Santiago Canyon Wash, 0.4 km SE Silverado School, and 3.9 km Bolero Lookout 351 Comment
  RSA763518  Silene californica Doris Bowers 1965-5-10 167 Orange Near California State Forestry Office, Orange 152 Comment
  RSA737534  Silene gallica Fred M. Roberts 2008-3-12 6728 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  RSA439886  Silene laciniata subsp. major M. B. Dunkle 1933-5-30 3571 Orange Carbon Canyon Comment
  RSA602114  Silene laciniata subsp. major Scott D. White 1997-5-6 5041 Orange Santa Ana Mountains. Santiago Canyon area: Ridgetop road N and W of Bolero Lookout. 427 Comment
  IRVC25338  Silene laciniata subsp. major Bernard N. Jaroslow 1989-5-29 B23 Orange Santiago Canyon, Morrow Trail out of Live Oak Canyon below truck trail; in patches along trail. Santa Ana Mountains Comment
  SD245326  Silene laciniata subsp. major Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49595 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Comment
  UC1178641  Silene lemmonii Peter Kamb 1948-6-19 1113 Orange se slope of Santiago Peak Santa Ana Mts., se slope of Santiago Peak (Santa Ana Mts., Orange-Riverside Counties) 1219 Comment
  IRVC906  Silybum marianum B. Savage 1963-5-15 Orange Newport Beach Comment
  RSA4791  Sinapis arvensis James Snow s.n. Orange Plants of the Bryant Ranch, near Long Beach. Station # 3, Plant #5. Comment
  IRVC1168  Sisymbrium altissimum L. Lewton 1965-3-22 Orange [Newport] Back Bay Newport Beach Comment
  RSA650820  Sisymbrium altissimum Daniel Truong 1991-5-5 14 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of closed area. Comment
  RSA649292  Sisymbrium irio R. W. Hufstader 1971-2-28 18 Orange Collected by State College Blvd. north of the campus about one mile. Comment
  RSA696105  Sisymbrium irio Keith E. Hoffmaster 1928-2-19 387 Orange Tustin, Santa Ana. Comment
  HSC7000  Sisymbrium officinale S. M. Clapp 1966-4-7 28 Orange 3 mi. from Modjeska Canyon towards Silverado Canyon 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
  IRVC17042  Sisymbrium orientale R. Nesheim 1965-4-30 Orange Bayside Dr. Newport Beach Comment
  UCSB48238  Sisymbrium orientale Roberts, Jr., Fred 1981-5-3 Orange Santa Ana Mtns.; Hot Springs Canyon, just below Lazy W Ranch, 1.6 km. NNE San Juan Guard Station 249 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
  RSA366973  Sisyrinchium bellum H. L. Bauer 1929-4-20 s.n. Orange Trabuco Canon. Comment
  RSA7579  Sisyrinchium bellum E. R. Johnson 1933-11 2031 Orange Rancho Santa Ana. Comment
  SD236123  Sisyrinchium bellum A. C. Sanders, Fred M. Roberts, Amber ONeal, D. E. Bramlet 2008-5-9 35299 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, along old dirt road, c. 1.25 mi. ESE of Walnut Cyn Reservoir 340 Comment
  POM21634  Solanum americanum F. W. Peirson 1924-2-9 4523 Orange Between Wintersberg and the sea. Comment
  RSA603306  Solanum americanum Scott D. White, B. Leatherman 1997-6-12 5309 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
  UCR217467  Solanum americanum Mark A. Elvin 2003-2-23 2314 Orange South Coast, Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  POM201715  Solanum douglasii L. M. Booth 1932-5-19 1075 Orange Newport Bay. Comment
  RSA232216  Solanum douglasii James Henrickson 1970-7-24 4998 Orange 2 miles NW of Huntington Beach around small freshwater industrial pond at eastern margin of Bolsa Chica Salt Marsh along Huntington Beach Mesa. 0 Comment
  RSA553909  Solanum douglasii Scott D. White 1992-9-29 845 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
  RSA650636  Solanum douglasii Daniel Truong 1991-5-13 29 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of 'closed area' Comment
  RSA788958  Solanum douglasii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49561 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCR97817  Solanum douglasii Scott D. White 1997-3-28 4828 Orange Santa Ana Mountains, Above Modjeska Canyon, proposed water tank site. 488 Comment
  RSA422440  Solanum douglasii Claire Kibbe 1936-07 19966 Orange Santa Ana Canyon. Comment
  UCSB41752  Solanum douglasii Rowlands, Peter 1970-3-6 Orange Trabuco Cyn.; approx 2 mi up cyn from O'Neil Park 396 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
  RSA799943  Solanum rostratum Justin M. Wood 2011-6-28 4308 Orange South Coast: City of Costa Mesa; Fairview Park, just WNW of Marison Special Education Center. 24 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
  RSA5287  Solanum umbelliferum Carl B. Wolf 1932-12-19 4444 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  RSA5320  Solanum umbelliferum B. D. Stark 1932-12-30 4475 Orange Rancho Santa Ana. River bottom below Mexican houses. 122 Comment
  RSA0020572  Solanum umbelliferum Keith E. Hoffmaster 1927-4-8 534 Orange Santa Ana Mountains. Comment
  UCSB18243  Solanum umbelliferum Daniel, Dick 1964-3-28 Orange Silverado Canyon Road, 5.1 miles NW from junction with Santiago Canyon Road, approximately 10 miles W of Irvine Lake, 17 miles by air E of Orange 365 Comment
  UCSB52472  Solanum umbelliferum Roberts, Fred 1983-1-7 Orange Laguna Beach: Park Canyon along west flank of Temple Hill, 1.7km NE Thurston High School; 1.7km SE Bench Mark 104 205 Comment
  RSA0039365  Solanum virginianum Justin M. Wood 2013-9-5 5120 Orange Santa Ana Canyon: Between the Santa Ana River and the Green River Golf Course, in a recently planted restoration area. Roughly 0.5 miles west of the Riverside County Line. 127 Comment
  RSA787502  Solanum xanti Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49696 Orange Northern Santa Ana Mountains: Sierra Peak Comment
  UCR166729  Solanum xanti Scott D. White, Jennifer H. Jones 2005-3-31 10856 Orange South Coast, City of Laguna Beach. 549 Nyes Place. Proposed home site on c. 0.5 acre. 91 Comment
  RSA753970  Solidago californica A. C. Sanders, Fred M. Roberts 2008-7-16 35853 Orange Lomas de Santiago, upper Hangmans Tree Canyon 395 Comment
  UCR231350  Solidago californica A. C. Sanders, Kent Beaman 2011-9-27 39899 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
  LA203964  Solidago velutina subsp. californica W. Pequegnat; 1937-9-3 sn Orange Santa Ana Mountains, Santiago Peak Comment
  POM201703  Sonchus asper L. M. Booth 1932-7-19 1270 Orange Bolsas Marsh. Comment
  IRVC920  Sonchus oleraceus L. Stilgenbauer 1965-4-15 Orange Corona del Mar, 339 Milford. Newport Beach Comment
  JEPS88920  Sonchus oleraceus Rimo Bacigalupi, and L. Heckard, P. C. Hutchison 1962-3-16 8231 Orange 2 mi n Doheny Beach State Park (along U.S. 101) Comment
  RSA184147  Sonchus oleraceus I. L. Wiggins 1966-5-25 20668 Orange Parkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton. Comment
  RSA799950  Sonchus oleraceus D. M. Ray 2011-1-19 4 Orange South Coast: Santa Ana River: along right of way road just west of Least Tern Island. 0 Comment
  UCR192477  Sonchus oleraceus A. C. Sanders, Fred M. Roberts 2008-3-25 34545 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  CAS-BOT-BC374659  Sonchus oleraceus Ira L. Wiggins 1966-3-5 20514 Orange Field about 1/2 mi. W. of El Toro Post Office, along Highway S-18 Comment
  UCD136210  Sonchus oleraceus Ira L. Wiggins 1966-3-5 20514 Orange 1/2 mile W of El Toro P.O. along Highway S-18. Comment
  RSA719412  Sorghum bicolor Fred M. Roberts, Robert L. Allen 2006-10-8 6433 Orange San Juan Capistrano: San Juan Creek Flood Control Channel, c.a. 0.2 to 0.3km N Stonehill Dr. bridge and 1.1km SSE Marco Forster Jr. High Sch. 4 Comment
  IRVC12894  Sorghum halepense Roy Yarnell 1966-5-20 133 Orange State College Blvd., near Yorba Linda. southern coastal Comment
  IRVC29761  Spartina foliosa Barry S. Nerhus, Mark A. Elvin 2006-11-4 14 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal 0 Comment
  RSA483177  Spartina foliosa George R. Johnstone 1927-8-15 s.n. Orange Anaheim Landing 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
  SEINET10452464  Spartium junceum James S. Miller 1992-5-8 Miller 7449 Orange 2 mi E of the border of Cleveland National on California route 74. 310 Comment
  UCR193583  Spartium junceum A. C. Sanders, T. B. Salvato 2008-5-13 35365 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
  UCR266419  Spergularia D. E. Bramlet 2009-11-27 4430 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  UCR99892  Spergularia Scott D. White 1993-3-5 1123 Orange Tustin. Marine Air Corps Air Station: SE of Red Hill Ave and NE of Barranca 15 Comment
  SEINET3155830  Spergularia macrotheca L. Abrams 1903-4-17 3258 Orange between Tustin and Myford Comment
  CAS-BOT-BC390858  Spergularia marina Munz; Street; Williams 1919-5-4 2682 Orange Laguna Canon [Canyon] Comment
  RSA0098518  Spergularia marina D. L. Crawford 1916-7-26 s.n. Orange Aliso Canyon. Comment
  RSA478077  Spergularia rubra Albert J. Perkins 1922-5-27 s.n. Orange Dr. Whi...(?) garden Comment
  RSA5860  Spergularia salina C. B. Wolf 1932-6-28 3783 Orange Along western half of no. boundary of 40 acre Valencia Orange grove at Bryant Ave. and Hansen Road. 9 Comment
  RSA610223  Spergularia salina Fred M. Roberts, Julie Vanderwier 1997-4-29 5021 Orange Bolsa Chica Salt Marsh; (US Fish & Wildlife Service cell 17) west of old oil field, 0.8 km. S SE Chica Survey Mark. 0 Comment
  RSA0098710  Spergularia villosa L. M. Booth 1932-5-24 1089 Orange Near Bay Shore Camp, Newport Bay. Comment
  UCD116727  Sphaeralcea emoryi var. emoryi Ronni Stachelek; Bob Anderson, Frances Schroshire 1995-3-1 40 Orange Upper Newport Bay on Back Bay Dr. approx. 1/2 mi. N. of Shellmaker Island. 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
  UCSB52461  Stachys rigida Roberts, Fred 1982-5-22 Orange Dana Point; jct. of Stone Hill & Selva rds; 1.0km ESE Dana Hills High School; I.7km SW Marco Forster Junior High School 40 Comment
  RSA131400  Stachys stebbinsii E. K. Balls 1958-6-27 23281 Orange 4.4 miles from Silverado (gate), Silverado Canyon, Santa Ana Mountains. 1021 Comment
  RSA446699  Stachys stebbinsii F. R. Fosberg 1931-6-2 S- 5129 Orange Silverado Canyon, Santa Ana Mountains. Comment
  SEINET9355912  Stachys stebbinsii Unknown 2011-9-27 39902 Orange Orange Co., CA Comment
  CAS-BOT-BC393823  Stellaria media Ira L. Wiggins 1966-2-25 20475 Orange Firestone Boy Scout Reservation, in hills E of Brea Comment
  OBI5678  Stellaria media Carl B. Wolf 1931-3-6 1854 Orange Trabuco camp ground, Trabuco cyn, W slope of the Santa Ana Mts 610 Comment
  IRVC371  Stellaria media A. S. Boughey 1965-3-16 74 Orange Silverado Canyon. Santa Ana Mountains Comment
  RSA293  Stellaria media J. T. Howell 1928-2-7 821 Orange Near the ranch houses, Rancho Santa Ana 152 Comment
  RSA773509  Stellaria nitens Fred M. Roberts 1999-4-26 5200 Orange Lomas de Santiago: Lomas Ridge, ridge between Limestone Canyon and Santiago Canyon Wash, 1.7 km SE Silverado School, and 2.4 km N Bolero Lookout 411 Comment
  UC1930078  Stenotaphrum secundatum Scott D. White, Matt Carlton 2003-11-20 9867 Orange Santa Ana Mountain foothills: San Juan Creek in San Juan Capistrano. Comment
  UCR13409  Stenotaphrum secundatum William A. Hunt 1972-4-9 720409- 02 Orange South Coast, San Clemente, San Clemente Beach State Park, day use area, bluffs directly overlooking Pacific Ocean 15 Comment
  UCR207544  Stenotaphrum secundatum O. F. Clarke, Roger E. Reinke 2004-11-14 s.n. Orange South Coast, Newport Back Bay 3 Comment
  RSA548856  Stenotaphrum secundatum Fred M. Roberts, Wayne Ferren 1987-4-8 3364 Orange Upper Newport Beach Back Bay, west side, North Star Beach, 0.8 km N Coney Island., UTM 3720900m N, 417450m E 0 Comment
  UCR186593  Stephanomeria diegensis Robert DeRuff 1994-1 462 Orange Southern Coast, Newport Beach, Upper Newport Back Bay, Newporter Canyon 8 Comment
  UCR222872  Stephanomeria diegensis T. B. Salvato 2010-10-27 5109 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
  UCR73133  Stephanomeria diegensis Scott D. White 1992-9-23 850 Orange Vicinity of Olinda, near city of Brea, immediately north of Carbon Canyon Road and east of Placentia Ave.; c. 1 mi. (airline) SSE of Tonner Canyon 183 Comment
  RSA232212  Stephanomeria diegensis James Henrickson 1970-8-22 s.n. Orange 2.5 miles NNW of Huntington Beach. 0 Comment
  UCD136245  Stephanomeria diegensis L. D. Gottlieb 1968-8-14 6860 Orange on Route 74, immediately west of Lower San Juan Campground. 411 Comment
  UCR197706  Stephanomeria exigua subsp. deanei A. C. Sanders, Fred M. Roberts 2008-9-18 36083 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  UCR193273  Stipa cernua A. C. Sanders, Fred M. Roberts 2008-6-17 35507 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, Windy Ridge Rd., saddle on ridge at head, above the Eastern Transportation Corridor 400 Comment
  UCR192090  Stipa lepida A. C. Sanders, Fred M. Roberts 2008-5-6 35264 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
  UCR2804  Stipa lepida F. M. Reed 1928-7-10 6579 Orange Sidewalk in Laguna Beach 0 Comment
  UCR192484  Stipa pulchra A. C. Sanders, Fred M. Roberts 2008-3-25 34512 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA0113483  Stipa pulchra Lyman Benson 1946-5-13 12100 Orange Bluffs at Corona del Mar. 15 Comment
  RSA683168  Stylocline gnaphaloides Scott D. White, Amanda Duchardt 2003-4-10 9019 Orange Santa Ana Mountain Foothills: Ridges & east-facing canyons above Trampas Canyon. 122 Comment
  CAS-BOT-BC402180  Styrax redivivus R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49598 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Comment
  UC2042133  Styrax redivivus R. F. Thorne and 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) Comment
  CAS-BOT-BC110386  Suaeda esteroa Marcus E. Jones 1924-8-26 s.n. Orange Newport. Comment
  LA204737  Suaeda esteroa Carl B. Wolf; 1934-7-2