Search Results — 2000 specimen records retrieved (1598 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=ORANGE; Source=All;   
Map/download results:

BerkeleyMapper with layers and yellow flags

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(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.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
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
  RSA585489  Abronia maritima R. E. Riefner Jr. 1994-5-22 94 -380 Orange San Mateo Point, W of RR tracks, just N of Orange Co. line marker. Comment
  RSA678453  Abronia maritima Valerie L. Soza, K. Clark, LeRoy Gross, Will Miller, Fred M. Roberts, Gary D. Wallace 2001-4-4 1116 Orange Anaheim Bay: Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 3 Comment
  UC536910  Abronia maritima Lawrence M. Booth 1932-6-15 1189 Orange se Huntington Beach; Seashore Comment
  RSA0025969  Abronia villosa Dorothy Parsons 1932-3-28 s.n. Orange Buena Park Road. Comment
  SEINET10487478  Acacia farnesiana Charlene A. Bennett 1976-7-22 Bennett 443 Orange Cultivated and native plants collected around the San Clemente Beach area. 3 Comment
  CAS-BOT-BC333257  Acer macrophyllum B. D. Stark 1931-6-10 2246 Orange Claymine Can, N end of Santa Ana Mts. 243 Comment
  IRVC8  Acer macrophyllum T. Price 1965-4-17 s.n. Orange Santa Ana Mtns: Silverao Cyn. Peninsular Ranges Comment
Read comments
Nov 15 2013
  RSA514320  Acer macrophyllum Reid V. Moran, Daniel I. Axelrod, Bob Smart 1975-7-18 22595 Orange Along stream near Yeager Mine, upper Trabuco Canyon. 725 Comment
  UC218134  Acer macrophyllum P. A. Munz, R. D. Harwood 1920-4-25 6730 Orange Silverado Canyon Santa Ana Mts., Silverado Canyon (along stream) 548 Comment
  UCR215282  Achillea millefolium Fred M. Roberts 2008-5-14 6969 Orange Lomas de Santiago, Loma Ridge, upper Bee Flat Canyon below Loma Ridge Road, 1.3 km north of Bee Peak and 5.4 km NW of Bolero Lookout. Irvine Ranch Conservancy 377 Comment
  UCD55576  Achnatherum coronatum Beecher Crampton 1963-5-7 6790 Orange Ca. 11 miles northeast of San Juan Capistrano, State Hwy. 74. Lower San Juan Canyon, Santa Ana Mountains. Comment
  POM50881  Acourtia microcephala L. R. Abrams 1901-06 1855 Orange Trabuco Canyon Comment
  RSA750003  Adenostoma fasciculatum A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35319 Orange Weir Canyon, along fire line/bulldozer cut, c. 1.5 mi. east of Walnut Cyn Reservoir 346 Comment
  UCR252214  Adenostoma fasciculatum Amanda C. Swanson 2013-4-21 24 Orange Peninsular Range; Santa Ana Mtns., hiking trail across from Tucker Wildlife Sanctuary, less than 0.1 mi. from trailhead 434 Comment
  RSA542407  Adenostoma fasciculatum var. fasciculatum Fred M. Roberts 1988-4-8 3895 Orange Lomas de Santiago: Loma Ridge, Central Linestone Canyon, 4.1 kilometers NNW Bolero Lookout. 323 Comment
  RSA701807  Adiantum capillus-veneris Fred M. Roberts 1999-7-22 5248 Orange Lomas de Santiago: Lomas Ridge, tributary to Limestone Canyon at Dripping Springs. Limestone Wilderness Park. 415 Comment
  RSA749677  Adiantum capillus-veneris A. C. Sanders, Fred M. Roberts 2008-7-16 35836 Orange Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  UCR182889  Adiantum capillus-veneris Dean Kelch 2006-12-9 06 .532 Orange Newport Bay, Back Bay Dr. between marsh and steep bluff 11 Comment
  UCR193804  Adiantum capillus-veneris A. C. Sanders, Fred M. Roberts 2008-7-16 35836 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  IRVC22503  Adiantum jordanii Fred M. Roberts 1985-5-1 1693 Orange Aliso Canyon, 2.1km NNE Aliso Peak, Aliso Viejo 67 Comment
  RSA124721  Adiantum jordanii E. K. Balls, Percy C. Everett 1957-11-25 22844 Orange Trabuco Canyon, 1.7 mi W of entrance to Holy Jim Canyon. 671 Comment
  IRVC3119  Adiantum raddianum Don Pfirrmann 1965-4-28 HS 0579 Orange Newport Beach; 252 Mayflower Drive. Southern Coastal Comment
  UCR222973  Aeonium haworthii Robert DeRuff 2009-1 412 Orange South Coast, Upper Newport Bay, north Eastbluff area, bluff c. 100 m from Eastbluff Drive 12 Comment
Read comments
Dec 21 2019
  RSA708526  Agoseris retrorsa Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6238 Orange Modjeska Peak, north slope along summit road, c.a. 50 meters NNW, by air, summit. 1643 Comment
  RSA542555  Agrostis pallens Karlin G. Marsh 1989-6-23 s.n. Orange Santa Ana Mountains: Central Santiago Canyon, northeast portion of Fleming Park along Harding Truck Trail. 585 Comment
  RSA788920  Agrostis pallens Fred M. Roberts 1999-6-10 5242 Orange Lomas de Santiago: Loma Ridge, Central Limestone Cyn., adjacent to the Sinks, 0.7 km E Bolero Spring and 1.9 km NW Bolero Lookout. 411 Comment
  UC729937  Agrostis stolonifera Carl B. Wolf 1932-6-13 Orange Malvern and Nicholas Avenues Fullerton 53 Comment
  UCR193037  Agrostis viridis A. C. Sanders, Fred M. Roberts 2008-6-17 35494 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
  RSA414866  Albizia lophantha Albert J. Perkins 1914-1-1 s.n. Orange Between (illegible) Beach and Aliso Canyon. Comment
  UCSB52871  Allium haematochiton Roberts, Fred; Marsh, G. 1983-3-30 Orange UC Irvine Ecological Preserve, 0.8 km. SSW UCI campus center 60 Comment
  CAS-BOT-BC474098  Allium praecox Munz; L. Street; Williams 1919-5-3 2635 Orange Santa Ana River Canyon Comment
  JEPS56379  Allium praecox Alice King March 1908 Orange near Orange County Park Comment
  CAS-BOT-BC170689  Alnus rhombifolia C. B. Wolf 1931-3-6 1855 Orange Trabuco Camp grounds, Trabuco Canyon, W slope of the Santa Ana Mts. 609 Comment
  RSA581438  Alnus rhombifolia Fred M. Roberts, Gordon Marsh 1932-2-7 4357 Orange Santiago Canyon, Flemming Regional Park, just E of Modjeska at end of paved road, c.a. 3.0 km WSWLaurel Springs. 436 Comment
  UC484252  Alnus rhombifolia C. B. Wolf 1931-3-6 1855 Orange Trabuco Camp Grounds Santa Ana Mts., Trabuco Canyon (w slope of mts.) Comment
  UCR231356  Alnus rhombifolia A. C. Sanders, Kent Beaman 2011-9-27 39910 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Truck Trail, 3.4 km NNW (340 deg. ) of Santiago Peak 1088 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
  UCR140882  Amaranthus albus Robert DeRuff 1987-8-22 299 Orange Southern Coast, Newport Back Bay, Santa Ana Heights area 18 Comment
  CHSC35337  Amaranthus blitoides James Henrickson 1972-10-21 8069 Orange Newport Beach, So. Of Jamboree Rd., E. of Irvine Coast Country Club near U. C. Irvine. Comment
  RSA696429  Amaranthus blitoides Keith E. Hoffmaster 1933-10-1 334 Orange Near Tustin Comment
  IRVC24277  Amaranthus blitoides Fred M. Roberts, G. A. Marsh 1985-10-26 2522 Orange Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal 4 Comment
  CLARK-A1528-979  Amaranthus californicus Patricia A. Andrews 1975-6-26 5930 Orange Capistrano Bay Beach 9 Comment
  UCSB37368  Amaranthus hybridus Roos, Alfred 1937-12-2 Orange Santa Ana Comment
  UCSB46145  Amaranthus hybridus Roos, Alfred 1937-12-9 Orange West 17th St. in Santa Ana Comment
  UCR25292  Amaranthus palmeri Alfred R. Roos 1937-12-9 s.n. Orange West 17th St. in Santa Ana Comment
  IRVC8604  Amblyopappus pusillus J. B. Anderson 1966-4-16 577 Orange Newport Beach; Corona del Mar; Buck Gully; "Little Corona Beach"; moist canyon bottom with small brooklet near stream. Southern Coastal 0 Comment
  UCR99550  Amblyopappus pusillus B. G. Pitzer, P. Gomez 1996-4-30 2795 Orange San Joaquin Hills, Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy) 15 Comment
  RSA854  Ambrosia acanthicarpa J. T. Howell 1927-10-22 762 Orange Near Eastern Boundary, Rancho Santa Ana. 152 Comment
  RSA791492  Ambrosia acanthicarpa R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49612 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station Comment
  CLARK-A1528-925  Ambrosia chamissonis Patricia A. Andrews 1975-6-26 5922 Orange Capistrano Bay Beach 9 Comment
  POM122718  Ambrosia chamissonis Marcus E. Jones 1924-8-26 s.n. Orange Newport. Comment
  UC523553  Ambrosia chamissonis David D. Keck 1933-9-8 2522 Orange Sunset Beach Comment
  UC536897  Ambrosia chamissonis Lawrence M. Booth 1932-5-25 1110 Orange Balboa Island Comment
  UCR109969  Ambrosia chamissonis R. D. Goeden, Don W. Ricker 1970-4-29 s.n. Orange South Coast, Newport Beach, NW edge of town between Seashore Dr., Neptune Ave., 56th and 58th Streets 2 Comment
  UCSB10369  Ambrosia chamissonis Haller, Norman 1953-4-25 Orange U.S. 101, 2 miles So. of Huntington Beach Comment
  CLARK-A1528-146  Ambrosia chamissonis Cesareo Perez 1971-5-15 32 Orange Huntington Beach Comment
  POM4813  Ambrosia chamissonis Anonymous 1897-5-16 s.n. Orange Ocean Beach. Comment
  CAS-BOT-BC45061  Ambrosia psilostachya Ira L. Wiggins 1965-11-6 20346 Orange Roadside near well no. 14, Kraemer Oil Estates, near end of county road leading to Rancho Santa Ana. Comment
  RSA703089  Ambrosia psilostachya Fred M. Roberts, Arthur Davenport 2003-9-11 6005 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
  RSA751522  Ambrosia psilostachya A. C. Sanders, Fred M. Roberts 2008-8-7 35990 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 Comment
  RSA783652  Ambrosia psilostachya J. D. Olmsted 1959-8-26 835 Orange Along road south of mouth of Black Star Canyon north of Rock Crushing Plant; Drainage area: to Santiago Reservoir. 305 Comment
  UC176003  Ambrosia psilostachya Geo. R. Hall 1914-9-30 Orange Santa Ana Comment
  IRVC440  Ambrosia psilostachya var. californica I. L. Wiggins 1965-11-6 20346 Orange Santa Ana Canyon, road side near well 14, Kraemer Oil Estates near end of [Esperanza Rd.]. Yorba Linda Comment
  POM48524  Ammannia robusta F. M. Reed 1924-8-15 4962 Orange Laguna Lake bed - Laguna canyon. Comment
  POM201704  Ammi visnaga L. M. Booth 1932-7-18 1268 Orange Santa Ana River, 1 mile from Ocean. Comment
  SEINET12120344  Ammi visnaga L. M. Booth 1932-1 1268 Orange Sant Ana River Flats, near the sea Comment
  RSA485153  Amorpha californica var. californica E. R. Johnson 1929-10-1 636 Orange Rancho Santa Ana. Comment
  CAS-BOT-BC177253  Amorpha fruticosa J. Ewan 1929-6-28 3617 Orange Santiago Canyon, Santa Ana Mts. 365 Comment
  CAS-BOT-BC177255  Amorpha fruticosa B. D. Stark 1931-10-17 2463 Orange Rancho Santa Ana, Santa Ana Canyon 137 Comment
  RSA378  Amorpha fruticosa J. T. Howell 1927-6-6 49 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  UCR240112  Amorpha fruticosa Dick Newell, Don Millar 2012-5-22 260 Orange Peninsular Range; Santa Ana Mtns., mouth of Fremont Canyon, 0.4 mi. NE of Irvine Dam spillway 207 Comment
  CAS-BOT-BC222309  Amsinckia douglasiana C. B. Wolf 1931-3-6 1864 Orange East side of Orange County Park 152 Comment
  RSA722351  Amsinckia intermedia Minor Warne 1934-03 s.n. Orange Laguna Canyon Comment
  UC1178238  Amsinckia intermedia Francia Chisaki 1957-4-3 928 Orange 6 mi s Irvine (just s of El Toro near top of hill on Hwy 101) Comment
  UC494723  Amsinckia intermedia Philip A. Munz 1932-3-29 12189 Orange Costa Mesa Comment
  RSA0016948  Amsinckia intermedia S. A. W. 1971-4-22 19 -D Orange Carbon Canyon Road (St. Hwy. 142) at jct. with Co. dump rd. 1 mi. N Imperial Hwy. 183 Comment
  RSA533911  Amsinckia intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5173 Orange San Clemente Island. 1100 feet SSW of Twin Dams, 1450 feet NNW of Bolder marker 491 Comment
  RSA792563  Anagallis arvensis Justin M. Wood 2011-2-28 3270 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
  RSA678734  Anagallis arvensis Fred M. Roberts, Carol A. Roberts, Robert Allen 2003-5-11 5861 Orange Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive. 73 Comment
  UCSB56513  Andropogon glomeratus Marsh, G.; Marsh, K. 1977-11-21 Orange Santa Ana Mtns; San Juan Hot Springs Comment
  RSA5909  Anemopsis californica C. B. Wolf 1932-7-2 3818 Orange Carbon Canyon, 1/8 mile below La Vida Springs [La Vida Mineral Springs]. 21 Comment
  UCR241047  Anemopsis californica Robert DeRuff 2011-1 274 Orange South Coast, Upper Newport Bay, Santa Ana Heights off Bayview Trail 5 Comment
  IRVC26961  Anemopsis californica Peter A. Bowler 2003-4-20 s.n. Orange UC San Joaquin Freshwater Marsh Reserve; in marsh at Nedge of marsh beside UCI Arboretum. Southern Coastal 3 Comment
  RSA587885  Anemopsis californica Fred M. Roberts 1990-5-8 4614 Orange Chino Hills: Soquel Canyon, ca. 1.2 km NNW of Gilman Peak. 240 Comment
  CDA6811  Anthemis cotula Robert L. Pope 1957-6-21 Orange Moulton Ranch. 0 Comment
  UCR190998  Antirrhinum coulterianum A. C. Sanders, Fred M. Roberts 2008-4-22 35050 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
  RSA773516  Antirrhinum kelloggii Fred M. Roberts 1999-5-3 5206 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
  UCR209383  Antirrhinum kelloggii Fred M. Roberts, Linda Farley 2008-3-28 6828 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon 427 Comment
  RSA0009199  Antirrhinum multiflorum Fred M. Roberts, Robert L. Allen, Trish Smith 2007-6-15 6533 Orange Along dirt road on ridge between Fremont and Black Star Cyns., 5.2km ENE Irvine Lake Spillway and 1.7km W Hidden Ranch. 739 Comment
  RSA737892  Antirrhinum multiflorum R. E. Riefner 2008-7-21 08 -248 Orange Irvine Ranch Reseve, N Irvine Ranch, middle Fremont Canyon, E slope along Black Star SCE road. 718 Comment
  RSA737898  Antirrhinum multiflorum R. E. Riefner 2008-6-17 08 -159 Orange Irvine Ranch Reserve, N Irvine Ranch, Middle Fremont Canyon along Black Star SCE road. 618 Comment
  UCR274178  Antirrhinum nuttallianum Dick Newell, Don Millar, Nicole Kahal 2015-6-9 409 Orange Peninsular Range; Santa Ana Mtns., foothills west of Black Star Canyon Road, at the end of the service road going to Edison's tower, 2/10 mile south of Lake View Rd. off State Spur 577 Comment
  POM4240  Antirrhinum nuttallianum subsp. nuttallianum I. M. Johnston 1918-5-4 1888 Orange Back of Laguna Beach, moist shaded hillside 61 Comment
  RSA584718  Antirrhinum nuttallianum subsp. nuttallianum Fred M. Roberts 1989-5-18 4368 Orange Santa Ana Mountains: Upper Gypsum canyon, above ridge road, ca. 6.4 km WSW Sierra Peak. 415 Comment
  RSA588656  Antirrhinum nuttallianum subsp. nuttallianum Fred M. Roberts, Carol A. Roberts 1990-5-23 4651 Orange Santa Ana Mtns: West Fork, Upper Long Canyon, near Main Divide Truck Trail, 4.5 km SE Los Pinos Peak. 756 Comment
  RSA542442  Apiastrum angustifolium Fred M. Roberts 1988-4-10 3920 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout. 415 Comment
  RSA737482  Apiastrum angustifolium Fred M. Roberts 2008-3-12 6734 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  UCSB52904  Apiastrum angustifolium Roberts, Fred 1983-5-4 Orange Laguna Beach; upper Rancho Laguna Canyon, 1.7 km. SSW Top of the World School; 1.4 km. ENE Cactus Point 200 Comment
  JEPS12326  Apium graveolens Lawrence M. Booth 1932-6-7 1158 Orange Newport Bay Comment
  RSA0031754  Apium graveolens R. F. Thorne 1977-11-21 50820 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  CHSC102  Apocynum androsaemifolium Sonia R. Westerberg 1938-4-1 Orange San Juan Canyon. Comment
  IRVC20014  Apocynum cannabinum var. glaberrimum Gordon A. Marsh, K. G. Marsh 1981-7-26 Orange Cleveland National Forest; Lion Canyon, near mouth. Santa Ana Mountains Comment
  UC1424830 Image available Aralia californica E. W. Lathrop 1977-6-16 7656 Orange Big Cone Spring on Maple Springs Rd., Silverado Canyon Santa Ana Mts., Cleveland Nat'l Forest, Trabuco District, Si 1280 Comment
  CAS-BOT-BC128677  Arbutus menziesii Carl B. Wolf 1933-11-8 2008 Orange Trabuco Canyon on south wall opposite the Trabuco Truck Trail, Santa Ana Mts. 914 Comment
  RSA7635  Arbutus menziesii C. B. Wolf 1933-11-8 5534 Orange Trabuco Canyon on So. wall opposite the Trabuco Truck Trail. 915 Comment
  SD255137  Arbutus menziesii R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49826 Orange Santa Ana Mountains: Trabuco Canyon. 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
  UCR282324  Arctostaphylos glandulosa A. C. Sanders, Yi Huang 2017-3-3 42703 Orange Peninsular Range; Santa Ana Mtns., North Main Divide Road, 6.5 km north of Hwy 74, at junction to Blue Jay and Falcon Camps 1038 Comment
  CAS-BOT-BC23109  Arctostaphylos glandulosa subsp. glandulosa Helen D. Leis 1904-5-1 723 Orange Blue Light Trail, Silverado Canyon, Santa Ana Mts. 670 Comment
  RSA626918  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15514 Orange Road to Los Pinos Peak (3S04), 2 km northeast of Blue Jay Campground and 1 km above 5S05. North of Hwy. 74. 1100 Comment
  RSA629340  Arctostaphylos glandulosa subsp. glandulosa C. J. Fotheringham, Jon E. Keeley 1996-6-24 27640 Orange Ca. 3 km west of Sierra Peak. 700 Comment
  UC284866  Arctostaphylos glandulosa subsp. zacaensis P. A. Munz 1923-5-7 7741 Orange slopes above Santiago Peak 1219 Comment
  SEINET10449341  Arctostaphylos glandulosa var. glandulosa James S. Miller 2001-12-15 Miller 10653 Orange Rancho Santa Ana Botanic Garden, Santa Ana, CA. Comment
  CAS-BOT-BC27476  Argemone munita subsp. robusta Carl Brandt Wolf 1933-8-24 5403 Orange Santa Ana Mts. Summit of Santiago Pk. 1731 Comment
  CAS-BOT-BC401733  Argemone munita subsp. robusta Carl B. Wolf 1937-12-3 9382 Orange Santa Ana Mts., main divide motorway, between Santiago Peak and Modjeska Peak 1645 Comment
  SEINET4002143  Argemone munita var. robusta G. B. Ownbey, F. Ownbey 1954-1 2168 Orange Between Modjesca Peak and Santiago Peak. 1524 Comment
  RSA588885  Aristida purpurea var. purpurea Fred M. Roberts, D. Bontrager 1990-6-5 4669 Orange Rancho Mission Viejo: Uper Gabino Canyon, near Orange County line, 3.9 kilometers E Point Ranch Survey Marker., UTM Z11 37 10 300m N, 4 52 100m E. 280 Comment
  RSA0013969  Aristida ternipes var. hamulosa Fred M. Roberts 2008-4-22 7167 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn., along Haul Road near asphalt plant, 2.2km ENE Rattlesnake Reservoir dam and 2.2km WNW Bee Peak, Irvine Ranch Conservancy 188 Comment
  CAS-BOT-BC133228  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
  CAS-BOT-BC90187  Artemisia californica John Thomas Howell 1927-10-22 3159 Orange hills on n. side of Santa Ana [Canon] 213 Comment
  RSA417250  Artemisia californica Marcus E. Jones 1930-3-3 26497 Orange Santa Ana Mountains. Comment
  UC537026  Artemisia californica Lawrence M. Booth 1932-6-29 1223 Orange Newport Bay Comment
  UCR131889  Artemisia californica J. Mallory, V. McCoy 1995-7-3 6454- 70 Orange Santa Ana Mountains: N-facing slope in Santiago Canyon, c. 0.5 mi. east of Santiago Canyon Rd; near Irvine Park 200 Comment
  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
  UCR92774  Artemisia californica F. M. Reed 1927-11-10 5640 Orange South Coast, Sulfur Slide Hill in Santa Ana River Canyon 150 Comment
  UCSB16965  Artemisia californica Gerhart, Janet 1963-2-22 Orange 1.5 miles above locked gate on dirt road, Trabuco Canyon, 17.4 miles east of U.S. Highway 101 at El Toro Marine Base, 2.5 miles by air southeast of Santiago Peak 457 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
  UCR193342  Artemisia douglasiana A. C. Sanders, Fred M. Roberts 2008-6-17 35461 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Hicks Canyon Haul Road 0.5 mi. east of the Foothill Transportation Corridor 244 Comment
  UCR228767  Artemisia douglasiana Dick Newell, Don Millar 2011-7-19 205 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon Rd. at junction to Dripping Springs 312 Comment
  RSA774  Artemisia dracunculus J. T. Howell 1927-9-24 752 Orange Santa Ana River Bottom, Rancho Santa Ana 152 Comment
  RSA478872  Arthrocnemum subterminale F. R. Fosberg 1931-8-19 7283 Orange Newport Bay. 0 Comment
  CDA31508  Arundo donax D. G. Kelch 2006-12-9 06 .559-B Orange Irvine. University Dr along tidal creek just E of I-73. Comment
  UCSB48033  Arundo donax Roberts, Fred 1981-9-26 Orange San Juan Capistrano; along Trabuco Creek on Camino Capistrano Rd; 0.4 km N jct Junipero Serra Rd, 0.5 km SW Bench Mark 202 66 Comment
  RSA549704  Asclepias californica Terry J. O Brien 1992-5-23 1204 Orange Cleveland National Forest, trail S of Blue Jay Campgrounds. 1037 Comment
  RSA695984  Asclepias californica Keith E. Hoffmaster 1936-5-3 s.n. Orange Holy Jim Canyon. Comment
  IRVC18898  Asclepias fascicularis Fred M. Roberts 1981-6-22 281 Orange Hwy 74, 5.2km ENE San Juan Capistrano, Rancho Mission Viejo 100 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
  IRVC26734  Asparagus officinalis Peter A. Bowler 2003-4-20 s.n. Orange UC San Joaquin Freshwater Marsh Reserve; bluffs along NW edge of marsh. Southern Coastal 9 Comment
  RSA0045439  Asphodelus fistulosus Wendy Boes 2009-3-25 2009 -008 Orange Peninsular Ranges; Santa Ana Mountains; South Main Divide Road. 931 Comment
  IRVC16667  Aspidotis californica Gordon A. Marsh, K. G. Marsh 1979-9-24 Orange Pine Canyon, along dirt road above Blue Light Mine, Santa Ana Mountains Comment
  RSA699721  Aster bernardinus Keith E. Hoffmaster 1933-10-8 1046 Orange Near Newport Bay. Comment
  RSA93824  Aster hesperius F. W. Peirson 1924-10-19 5241 Orange Wintersberg Comment
  RSA232225  Aster subulatus var. ligulatus James Henrickson 1970-10-3 5360 Orange 3 miles NE of Huntington Beach just N of Bolsa Chica Salt Marsh. 0 Comment
  RSA782  Aster subulatus var. ligulatus J. T. Howell 1927-10-29 775 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA93743  Aster subulatus var. ligulatus F. W. Peirson 1924-10-19 5240 Orange Wintersberg Comment
  LA204886  Astragalus brauntonii Carl B. Wolf; 1936-6-22 8000 Orange Santa Ana Mountains, N slopes of Sierra Peak, Claymine Canyon Truck Trail to Sierra Peak 457 Comment
  RSA0016942  Astragalus brauntonii Adrian Wolf, Paul Galvin 2003-8-11 s.n. Orange North Ranch Policy Plan Area, Gypsum Canyon. 284 Comment
  RSA699634  Astragalus didymocarpus Keith E. Hoffmaster 1935-3-17 s.n. Orange Near El Toro (Trabuco rd.) Comment
  UCR266298  Astragalus didymocarpus D. E. Bramlet, J. E. Harrison 2008-4-3 4154 Orange Peninsular Range; Santa Ana Mountains, South Bee Canyon, Bowerman landfill site, 1.2 km south of the Bee Canyon access road, and 122 m west of the active landfill 224 Comment
  LA204927  Astragalus didymocarpus var. didymocarpus C. L. Hogue; 1954-4-10 sn Orange Irvine Ranch behind Corona Del Mar 60 Comment
  CAS-BOT-BC194064  Astragalus trichopodus var. lonchus C. B. Wolf 1931-3-6 1860 Orange 1 1/2 miles below Trabuco Camp Ground, Trabuco Canyon, west slope Santa Ana Mts. 548 Comment
  HSC14541  Astragalus trichopodus var. phoxus C. L. Hitchcock 1966-3-15 24141 Orange Stearns Lease, 1.5 mi. E of Brea. Comment
  CDA23088  Atriplex Mark A. Elvin, D. G. Kelch 2006-12-9 5299 Orange Southern Coastal; Newport Backbay; Big Canyon, lower end. Comment
  CDA23154  Atriplex Mark A. Elvin, D. G. Kelch 2006-12-9 5309 Orange Southern Coastal; Newport Backbay; Big Canyon, lower end. 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
  SBBG122001  Atriplex amnicola R. E. Riefner 2006-4-17 06 -155 Orange near Bayview Way and Bayview Place, upper Newport Bay 6 Comment
Read comments
Dec 13 2012
  RSA234533  Atriplex californica James Henrickson 1970-8-15 5282 Orange 3 miles NW of Huntington Beach, in Monanthochloe Salicornica dominated area north of Bolsa Bay, 3/4 mile SE of Warner Ave. 0 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
  UC450972  Atriplex californica F. A. MacF. 1931-3-1 2927 Orange Laguna Beach Laguna Beach (crevices of sea cliffs) Comment
  RSA422250  Atriplex canescens L. M. Booth 1932-7-4 1249 Orange W side of inland arm of Newport Bay. 3 Comment
  UCD97285  Atriplex canescens Lawrence M. Booth 1932-7-23 1301 Orange Corona del Mar, Newport Beach. 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
  SD144473  Atriplex canescens var. canescens B. Pitzer 1996-4-30 2789 Orange Crystal Cove State Park, S of City of Irvine on Hwy 1 (Pacific Coast Hwy). Comment
  IRVC25202  Atriplex davidsonii Fred M. Roberts 1986-11-4 3201 Orange Anaheim Bay, north of Hog Island, Seal Beach Naval Weapons Station 0 Comment
  RSA752214  Atriplex glauca R. E. Riefner Jr. 2002-5-4 02 -87 Orange City of Dana Point, beach W of Pacific Coast Hwy. near mouth of Salt Creek. 15 Comment
Read comments
Feb 28 2016
  SD219022  Atriplex glauca R. E. Riefner Jr. 2002-5-4 20 87 Orange City of Dana Point, beach west of Pacifi Coast Highway near mouth of Salt Creek. 14 Comment
  POM318818  Atriplex lentiformis Patricia Wilder 1972-6-27 5388 Orange Along strand of Capistrano Beach 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
  UCR240109  Atriplex lentiformis subsp. breweri Dick Newell 2012-9-29 296 Orange South Coast, Newport Beach, Back Bay Drive at Big Canyon parking area 2 Comment
  RSA443841  Atriplex lentiformis subsp. breweri J. W. Johnson 1978-11-8 s.n. Orange Irvine: Coyote Canyon Road & MacArthur Blvd. intersection. Comment
  POM293187  Atriplex leucophylla Lyman Benson 1946-5-13 12090 Orange Corona del Mar, Pacfic Ocean drainage area 50 Comment
Read comments
Dec 2 2008
  RSA478322  Atriplex leucophylla Anstruther Davidson 1902-09 s.n. Orange Newport Beach. Comment
  RSA593869  Atriplex pacifica R. E. Riefner, CA Parks Service 1994-5-22 94 -377 Orange San Clemente State Beach, south bluffs 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
  UCR141335  Atriplex rhagodioides Robert DeRuff 1987-5-2 369 Orange Southern Coast, Newport Beach, Newport Back Bay, Big Canyon 8 Comment
  POM201896  Atriplex rosea L. M. Booth 1932-7-4 s.n. Orange Newport Lagoon Comment
  RSA5960  Atriplex rosea C. B. Wolf 1932-9-13 s.n. Orange Bryant Ranch. 3/10 miles W of Los Alamitos Blvd.700 ft. south of Bryant Ave., (800 ft. east & 700 ft. south of NW corner of SW 1/4 sec. 30 T4S R11W) 7 Comment
  IRVC9295  Atriplex semibaccata B. T. Gittins 1966-6-24 1421 Orange Crescent Beach; coastal bluff. Laguna Beach Comment
  SD133115  Atriplex semibaccata A. C. Sanders 1990-10-6 10192 Orange Newport Bay, North Star County Beach area on the southwest end of the bay, ca. 2.0 km inland of Highway 1. 0 Comment
  RSA234479  Atriplex semibaccata James Henrickson 1970-7-25 5034 Orange 3.5 miles NW of Huntington Beach on sandy margin of Bolsa Bay, 1/4 mile SE of Warner Ave. along Pacific Coast Hwy. 0 Comment
  RSA248  Atriplex semibaccata J. T. Howell 1927-7-27 483 Orange Near ranch houses, Rancho Santa Ana 152 Comment
  RSA5242  Atriplex semibaccata C. B. Wolf 1932-9-13 4030 Orange Bryant Ranch: Triangle of waste ground S of Bryant Ave., & 1/2 mi. west of Los Alamitos Blvd., (Triangle waste ground at NW corner of SW 1/4 sect. 30 T4S R11W) 8 Comment
  UCSB48087  Atriplex semibaccata Roberts, Jr., Fred 1981-5-2 Orange Mission Viejo; Camino Capistrano, 1.7 km. N Crown Valley Parkway 49 Comment
  IRVC25483  Atriplex serenana var. serenana Fred M. Roberts 1987-7-28 3508 Orange Peter's [Creek] Channel at Barranca Crossing, Irvine 8 Comment
  IRVC27507  Atriplex suberecta Mark A. Elvin 2004-5-2 3424 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7km (air) NNW UC Irvine campus center. Southern Coastal 3 Comment
  IRVC29085  Atriplex suberecta Tom Perring, Tracy Pinckard 1994-3-2 s.n. Orange Tustin, Marine Helicopter Station at the corner of Moffett Drive and Jamboree Rd. South Coast 11 Comment
  RSA703646  Atriplex suberecta R. E. Riefner Jr. 1999-5-22 99 -292 Orange City of Dana Point, west of Pacific Coast Hwy., vicinity of Salt Creek Park and Ritz Carlton Hotel. 15 Comment
  RSA48695A  Atriplex subspicata I. M. Johnston 1924-8-29 s.n. Orange 2.5 miles north of Balboa. Comment
  JEPS59574  Atriplex watsonii L. M. Booth 1932-7-21 1299 Orange Anaheim Creek Comment
  UCR239638  Avena barbata Fred M. Roberts 2012-4-24 7510 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
  RSA681949  Avena fatua Fred M. Roberts, David E. Bramlet 2003-3-7 5566 Orange Donna O'Neill Land Conservancy; West slopes of Christianitos Canyon, Middle Ridge Trail, 0.1km NW Gato Gate. 123 Comment
  UCR100306  Avena fatua B. G. Pitzer 1997-4-15 3140 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
  UCR154264  Avena fatua Mark A. Elvin 2004-5-2 3421 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  CAS-BOT-BC66214  Azolla filiculoides John Thomas Howell 1927-7-6 2663 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  RSA21069  Azolla filiculoides Ramon Valverde 1938-8-4 9435 Orange Rancho Santa Ana, Santa Ana Canyon. 122 Comment
  IRVC29725  Baccharis douglasii Mark A. Elvin, Barry S. Nerhus 2006-11-4 5256 Orange Huntington Beach; 1.5 km SW of Wintersburg, SW of jct Slater and Goldenwest; Shipley Nature Center. Southern Coastal 1 Comment
  IRVC7609  Baccharis douglasii Charles W. Sexton 1972-7-17 Orange Bolsa Chica salt marsh southern coastal 0 Comment
  POM4582  Baccharis emoryi C. B. Bradshaw s.n. Orange Near Laguna coast Comment
  RSA554644  Baccharis emoryi Scott D. White 1992-9-29 869 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
  RSA768505  Baccharis emoryi Justin M. Wood 2009-12-1 1389 Orange Santa Ana River: marsh just upstream of Pacific Coast Highway. 0 Comment
  RSA650812  Baccharis glutinosa Daniel Truong 1991-5-13 26 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of ''closed area''. Comment
  RSA657740  Baccharis glutinosa Ken Greby 1985-4-18 20 Orange Alongside Laguna Canyon Rd. approx. 1.5 km. NE from El Toro Rd. 46 Comment
  CAS-BOT-BC99441  Baccharis pilularis Carl B. Wolf 1934-12-26 6262 Orange south end of town of San Clemente 15 Comment
  RSA0028029  Baccharis pilularis Fred M. Roberts 2012-9-6 7702 Orange San Joaquin Hills: Buck Gully, Buck Gully Trail, about 1.8 kilometers NW Pelican Hill summit. 64 Comment
  RSA613761  Baccharis pilularis B. Pitzer, T. Tennant 1997-11-8 3374 Orange Crystal Cove State Park, Pelican Point Area, grassland area between Pacific Coast Hwy and the bike trail. 30 Comment
  RSA699766  Baccharis pilularis Keith E. Hoffmaster 1934-1 s.n. Orange Santa Ana Comment
  RSA747711  Baccharis pilularis Fred M. Roberts 2008-9-10 7098 Orange Dana Point: Dana Point Headlands, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor. Comment
  SD253901  Baccharis pilularis Jim Riley 2013-12-10 134 Orange San Clemente area; 0.29 miles E intersection Avenida Pico and Camino La Pedriza; just N San Diego County line 74 Comment
  CAS-BOT-BC106733  Baccharis salicifolia John Thomas Howell 1927-10-23 3171 Orange Sandy flats of Santa Ana River bottom, Santa Ana Canyon [Canon] 152 Comment
  CHSC13483  Baccharis salicifolia T. R. Casale 1974-4-11 7 Orange Ca. 1.3 mi NE of the Mission San Juan Capistrano on Hwy 24. 42 Comment
  HSC5106  Baccharis salicifolia T. L. Ackerman 1964-3-28 14 Orange On Irvine Park Dr. inside Irvine Park Comment
  RSA685928  Baccharis salicifolia Fred M. Roberts 2003-3-27 5627 Orange Rancho Mission Viejo:Donna O'Neill Land Conservancy, Chistianitos Canyon, along North Ride Trail, 1.37 km N Sycamore Gate, 0.36 km W Chistianitos Rd. 114 Comment
  RSA751987  Baccharis salicifolia Fred M. Roberts, Eliza Maher 2008-3-26 6799 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 71 Comment
  SD220034  Baccharis salicifolia Mark A. Elvin 2004-5-2 3414 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7 (air) NNW UC Irvine campus center. 3 Comment
  UCR192116  Baccharis salicifolia A. C. Sanders, Fred M. Roberts, Amber O'Neal, D. E. Bramlet 2008-5-9 35295 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, c. 1.1 mi. E of Walnut Cyn Reservoir 277 Comment
  UCR247875  Baccharis salicifolia Fred M. Roberts 2012-9-6 7703 Orange SAN JOAQUIN HILLS: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 km WNW Pelican Hill summit. 37 Comment
  JEPS21243  Baccharis salicifolia subsp. salicifolia L. M. Booth 1933-10-18 Orange Newport Beach Comment
  CAS-BOT-BC106669  Baccharis salicina John Thomas Howell 1927-10-22 3166 Orange Santa Ana River bottom, Santa Ana Canyon [Canon] 152 Comment
  HSC79863  Baccharis salicina James Henrickson 1972-10-21 8047 Orange Eastern Anaheim, 2 blocks E. of Imperial Hwy. along La Palma Ave., just N of Santa Ana River. 61 Comment
  UCD129397  Baccharis salicina Ira L. Wiggins 1965-11-6 20338 Orange Kraemer Oil Estates, near well no. 15, near end of county road constituted by continuation of Orangethorpe Ave. Comment
  RSA0069229  Baccharis sarothroides Fred M. Roberts, Sandra Leatherman 2008-9-3 7091 Orange Santa Ana River Canyon: Yorba Linda: intersection of La Palma Ave. and Mercado del Rio Street. 135 Comment
  SEINET7003043  Baeria chrysostoma Wanda P. Vestal, A. G. Vestal 1955-3-24 3451 C Orange Bank along road, Trabuco Canyon, about 5 miles east of El Toro. Comment
  SD233267  Barbarea orthoceras R. F. Thorne, E. W. Lathrop, G Marshs. 1977-5-4 49818 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  SD255122  Barbarea orthoceras R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49818 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  CDA13500  Basella alba L. Pope 1997-11-2 s.n. Orange Homewood Ave., Buena Park. 0 Comment
  CLARK-A1528-966  Bassia hyssopifolia Patricia A. Andrews 1975-6-26 5909 Orange Capistrano Bay Beach 9 Comment
  RSA689547  Bassia hyssopifolia R. E. Riefner 2003-8-17 3 -332 Orange Costa Mesa, Talbert Regional Park, Discovery Walk Road and Balboa Avenue. 12 Comment
  POM14338  Batis maritima J. B. Feudge 1922-8-13 s.n. Orange Newport Beach Comment
  RSA303573  Batis maritima J. R. Shevock 1972-9-27 2291 Orange Newport Back Bay. 2 Comment
  UC1779704  Batis maritima Rudolf Schmid 1999-7-14 1999 -7 Orange Bolsa Chica Marsh, S of Seal Beach. From the S side of parking lot by HW1. Comment
  POM17862  Bebbia juncea Philip A. Munz 1923-7-8 73226 Orange Santa Ana River Canyon Comment
  POM50755  Bebbia juncea Helen D. Geis 1902-1 550 Orange Santiago Creek Canyon Comment
  RSA5334  Bebbia juncea B. D. Stark 1933-1-3 4480 Orange Rancho Santa Ana near pear orchard. 122 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
  SD255114  Berberis pinnata subsp. pinnata R. F. Thorne 1977-11-21 49988 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station. Comment
  UCR99879  Beta macrocarpa Scott D. White 1993-3-5 1121 Orange Tustin. Marine Air Corps Air Station: SE of Red Hill Ave and NE of Barranca 15 Comment
  SEINET3090330 Image available Beta vulgaris Cesareo Perez 1971-5-15 Orange Huntington State Beach Pacifico Cst. Hwy. Brookhurst Huntington Beach. Comment
  RSA151082  Bidens laevis Peter H. Raven 1961-10-15 16850 Orange Anaheim: Santa Ana River Bed at Anaheim Street crossing. 61 Comment
  RSA683221  Bidens laevis Scott D. White, Matt Carlton 2003-11-20 9876 Orange Santa Ana Mountain foothills: San Juan Creek in San Juan Capistrano. 37 Comment
  RSA92407  Bidens laevis F. W. Peirson 1924-10-19 5245 Orange Wintersberg. Comment
  UCR194556  Bloomeria crocea A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35329 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 0.3 mi. west of Eastern Transportation Corridor (Hwy 241) and 1.45 mi. east of south end of Walnut Canyon Reservoir 335 Comment
  RSA659988  Bloomeria crocea Steve Teh 1994-5-20 22 Orange Modjeska Grade rd. 1/2 mile on trail above fire road. Comment
  JEPS63987  Bolboschoenus maritimus L. M. Booth 1932-5-30 1133 Orange Newport Bay 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
  RSA703844  Bothriochloa barbinodis D. E. Bramlet, Fred M. Roberts 2003-3-13 3337 Orange Donna O'Neill Reserve. North east ridge line 762m W of Cristianitos Rd., and 1.15 km N of the E-W Access road., 11S 04 46 955E, 37 05 838N) 198 Comment
  RSA788247  Bothriochloa barbinodis R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49623 Orange Santa Ana Mountains: along Ortega Highway (74), about 1/4 mile above San Juan Fire Station Comment
  POM201613  Bowlesia incana L. M. Booth 1932-5-19 1065 Orange Newport Bay. Comment
  RSA60252  Bowlesia incana E. K. Balls 1950-3-7 14446 Orange Rancho Santa Aa Botanic Garden. Comment
  RSA716781  Boykinia rotundifolia Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill 2004-6-19 6061 Orange Santa Ana Mtns.: Holy Jim Cyn.: Holy Jim Falls along Holy Jim Trail, 3.0km SE summit of Santiago Peak. 658 Comment
  UCR149498  Brachypodium distachyon Scott D. White, Michael Honer 2004-5-17 10385 Orange South Coast, City of Laguna Niguel. Ridges and open slopes directly N of the intersection of Crown Valley Parkway and Pacific Island Dr 183 Comment
  UCR158030  Brachypodium distachyon Adrian Wolf 1998-5-15 286 Orange South Coast, Dana Point Headlands, north of Scenic Dr. 67 Comment
  IRVC18900  Brassica geniculata Fred M. Roberts 1981-7-8 316 Orange Calif. 74, 5.2km E San Juan Capistrano on south side of road, Rancho Mission Viejo 100 Comment
  IRVC28773  Brassica geniculata Duy D. Nguyen 2006-2-4 1 Orange San Joaquin Marsh; NW Edge of Marsh. Southern Coastal 5 Comment
  CDA24705  Brassica nigra T. C. Fuller 1962-4-5 8143 Orange East of Highway 101, San Clemente. 0 Comment
  CDA25879  Brassica nigra D. D. Nguyen, C. Nguyen 2006-2-4 3 Orange Southern Coastal; San Joaquin Marsh; northwest edge of Marsh. Comment
  RSA0066349  Brassica nigra A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34626 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir. 280 Comment
  HSC6579  Brassica nigra Anonymous 1961-3-29 Orange Newport Beach above upper Newport Bay Comment
  CAS-BOT-BC36769  Brassica rapa Ira L. Wiggins 1966-2-12 20427 Orange North side of La Palma Avenue near Harbor Boulevard, Anaheim. Comment
  POM322  Brassica rapa J. T. Howell 1928-1-15 805 Orange Near the Ranch House. Rancho Santa Ana. 152 Comment
  UCD114850  Brassica rapa Ira L. Wiggins 1965-11-7 20359 Orange Between State College Blvd. and Troy High School campus, Fullerton. Comment
  CSUSB529  Brassica rapa subsp. sylvestris Shirley Hill 1963-3-23 630323 4 Orange Field in back of Enco Station on Carolina st. Placentia. Abandoned field with other weeds Comment
  IRVC1017  Brassica rapa subsp. sylvestris J. Morgan 1965-2-21 Orange Corona del Mar, Bayside Dr. and Coast Hwy acrosss from Beacon Bay. Newport Beach Comment
  RSA651825  Brassica rapa var. rapa Norman Willis 1948-2-8 s.n. Orange 2 miles E of Orange 60 Comment
  IRVC22177  Brickellia nevinii Gordon A. Marsh, K. G. Marsh 1985-9-22 Orange Silverado Truck Trail, ridge north of Williams Canyon adjacent to White Canyon, 2.7km SE Silverdo Guard Station; Santa Ana Mountains 500 Comment
  RSA584704  Brickellia nevinii Fred M. Roberts, Carol A. Roberts 1989-5-11 4352 Orange Gypsum Canyon, 2.9 km WSW Sierra Peak, about 3.3km S by road of Santiago Canyon Road. 189 Comment
  RSA581665  Brodiaea jolonensis Tony Bomkamp 1995-06 s.n. Orange Rancho Mission Viejo, ridge west side of Canada Gobernadora, west of Casper Regional Park. 140 Comment
  CAS-BOT-BC249026  Bromus carinatus A. C. Sanders; Fred M. Roberts 2008-4-8 34751 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
  RSA562762  Bromus carinatus Steve Boyd, Timothy S. 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) N into Aliso Canyon. Comment
  RSA5928  Bromus carinatus C. B. Wolf 1932-7-2 3824 Orange Carbon Canyon, 1/8 mile below La Vida Springs 213 Comment
  RSA44  Bromus diandrus J. T. Howell 1927-6-9 67 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  IRVC27728  Bromus hordeaceus Mark A. Elvin 2004-5-2 3408 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7km (air) NNW UC Irvine campus center. Southern Coastal 3 Comment
  RSA0089224  Bromus hordeaceus Fred M. Roberts 2014-4-21 7869 Orange South Coast: San Joaquin Hills: Upper Laguna Lake 1 (upper Laguna Lake), north basin. 113 Comment
  RSA697685  Bromus hordeaceus Anonymous s.n. Orange Dry hills. Orange Co. Park. Comment
  UCR100463  Bromus hordeaceus B. G. Pitzer 1996-4-30 2760 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  UCR2233  Bromus hordeaceus F. M. Reed 1928-5-10 5884 Orange Laguna Canyon below lakes 91 Comment
  UCR98244  Bromus hordeaceus Scott D. White 1997-3-28 4845 Orange Santa Ana Mountains, Above Modjeska Canyon, proposed water tank site. 488 Comment
  UCSB48070  Bromus hordeaceus Fritzke, S.; Roberts, Fred 1982-4-3 Orange Dana Point; hills, 1.0 km. N of Dana Hills High School; 1.9 km. W of Marco Forster Junior High School 100 Comment
  SEINET179447 Image available Bromus hordeaceus subsp. hordeaceus Lawrence M. Booth 1932-5-12 1023 Orange Newport Bay Comment
  CHSC61249  Bromus madritensis subsp. rubens T. B. Devine 1980-4-4 654 Orange Huntington Beach, Edinger Ave. ca 1.5 mi w of Jct with Bolsa Chica Rd. Roadside. Comment
  RSA0127416  Bromus madritensis subsp. rubens Fred M. Roberts 2016-3-17 8011 Orange San Joaquin Hills: City of Irvine, Bommer Canyon, east fork, 0.3 km ESE Cattle Camp near East Fork Trail. 152 Comment
  UC149788  Bromus madritensis subsp. rubens H. M. Hall May, 1902 3283 Orange along Santa Ana River Santa Ana River 182 Comment
  RSA696610  Bromus rubens Jeanne Paxton 1934-4-21 s.n. Orange Orange County Dam. Comment
  RSA697681  Bromus rubens Anonymous 45 Orange Orange County park Comment
  UCR192471  Bromus rubens A. C. Sanders, Fred M. Roberts 2008-3-25 34539 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  CDA22568  Bromus tectorum J. B. Anderson 1966-4-19 601 Orange Upper Newport Bay. 0 Comment
  RSA484552  Cakile edentula F. R. Fosberg 1930-7-10 S- 3174 Orange Anaheim Landing. [Los Angeles Co. on label] 2 Comment
  RSA484558  Cakile edentula subsp. edentula Anstruther Davidson 1789 Orange Newport Beach; Santa Anna [Ana]. Comment
  CLARK-A1528-915  Cakile maritima Patricia A. Andrews 1975-6-26 5905 Orange Capistrano Bay Beach 9 Comment
  UCR203900  Calandrinia breweri R. E. Riefner Jr. 2008-5-15 08- 82 Orange Irvine Ranch Reserve, north Irvine Ranch, eastern Fremont Canyon area, Black Star SCE Road 549 Comment
  CAS-BOT-BC438319  Calandrinia ciliata C. L. Hitchcock 1966-3-15 24136 Orange 1/2 mile e. of Brea Comment
  RSA732277  Calandrinia ciliata A. C. Sanders, Fred M. Roberts 2008-4-22 35043 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
  CAS-BOT-BC438320  Calandrinia ciliata Ira L. Wiggins 1966-3-5 20508 Orange Along Highway S-18, about 4.5 mi. E. of Laguna Beach. Comment
  IRVC29833  Callistemon Tom McCrainie, Mark A. Elvin 2006-9-23 7 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
  UCR199267  Callistemon viminalis R. E. Riefner Jr. 2007-4-1 07- 163 Orange South Coast, city of Laguna Niguel, Oso Creek, c. 1.5 mi north from Paseo de Colinas Street on Camino Capistrano Street 88 Comment
  CDA5109  Callistemon viminalis R. E. Riefner Jr. 2006-10-19 06 -559 Orange City of Newport Beach, Irvine Coast Trail at San Diego Creek, near SR-73 crossing, south of Jamboree Road. Comment
  CDA5113  Callistemon viminalis R. E. Riefner Jr. 2007-3-18 07 -113 Orange City of Newport Beach, south shore of Newport Bay along Back Bay Drive, ca. 1 mile north of San Joaquin Hills Road. Comment
  RSA749519  Calochortus catalinae Fred M. Roberts 2009-4-11 6886 Orange Lomas de Santiago: Loma Ridge, upper Dripping Springs Cyn., 0.9 km NE Bee Peak and 1.2 km WNW Dripping Springs. 448 Comment
  RSA751326  Calochortus catalinae A. C. Sanders, Fred M. Roberts 2008-5-6 35260 Orange Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  SD234742  Calochortus catalinae A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34639 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir. 395 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
  POM1697  Calochortus invenustus Le Roy Abrams 1901-6-15 1848 Orange Santiago Peak trail. Comment
  CAS-BOT-BC483376  Calochortus invenustus L. R. Abrams 1901-6-15 1848 Orange Mt. Santiago Comment
  RSA649687  Calochortus plummerae R. E. Riefner 2000-6-27 20 -585 Orange NCCP North Ranch Policy Plan Area. E of Main Divide Road and SE from Windy Ridge cypress forest. 556 Comment
  RSA16422  Calochortus splendens Percy C. Everett 1935-5-19 6874 Orange Santa Ana Mountains, Baker Canyon, West Ladd Truck trail. 305 Comment
  RSA542333  Calochortus splendens Fred M. Roberts 1988-4-10 3919 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout. 415 Comment
  RSA627760  Calochortus splendens Scott D. White 1998-3-24 6233 Orange University of California, Irvine Campus: Site of proposed Research Park, Southwest of main campus circle, ca. halfway between Beerkeley Avenue and new freeway (Bonita Canyon). 24 Comment
  UC1178589  Calochortus splendens Peter Kamb 1948-6-19 1107 Orange se slope Santiago Peak (Orange-Riverside Counties); Santa Ana Mts. 1219 Comment
  CAS-BOT-BC492701  Calochortus splendens Philip A. Munz 1949-5-26 13371 Orange Skyline Drive, at head of Sierra Canyon; Santa Ana Mountains 762 Comment
  CDA39277  Calochortus venustus R. G. Ahlefeld & R. L. Pope 1957-4-1 s.n. Orange Irvine Ranch. 0 Comment
  RSA729799  Calochortus weedii Robert F. Thorne 1963-7-26 23839 Orange Tin Mine Canyon above Beeks Spring, Trabuco District, Cleveland National Forest 854 Comment
  CAS-BOT-BC132660  Calochortus weedii var. intermedius John Thomas Howell 1927-7-3 2636 Orange Claymine [Canon] Canyon, n. Santa Ana Mts. 304 Comment
  RSA588984  Calochortus weedii var. intermedius D. E. Bramlet 1994-6-2 2382 Orange San Joaquin Hills. Emerald Canyon 1.2 km. north of Pacific Coast hwy. In the lower portion of the canyon 150 m W of the existing access road. 92 Comment
  RSA588989  Calochortus weedii var. intermedius D. E. Bramlet 1994-6-23 2389 Orange Upper portion of Little Sycamore Canyon, W of Laguna Canyon Road. 140 Comment
  RSA741725  Calochortus weedii var. intermedius R. E. Riefner 2008-6-3 8 -138 Orange Irvine Ranch Reserve, Fremont Canyon Conservation Easement, E fork Fremont Canyon, Black Star SCE Rd. 622 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
  RSA773548  Calochortus weedii var. weedii Fred M. Roberts, Robert Allen 2008-6-9 7036 Orange Santa Ana Mts.: Hot Spring Canyon, along road, 0.9 km N San Juan Fire Station 255 Comment
  POM4959  Calycadenia tenella D. L. Crawford 1916-5-5 s.n. Orange Laguna Beach. Comment
  RSA696923  Calycadenia tenella Minor Warne 1934-4-21 s.n. Orange Limestone Canyon. 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
  CAS-BOT-BC215766  Calystegia macrostegia subsp. arida Le Roy Abrams 1901-6-14 1800 Orange Trabuco Canyon Comment
  POM65980  Calystegia macrostegia subsp. arida L. R. Abrams 1901-6-14 1800 Orange Trabuco Canyon Comment
  RSA602625  Calystegia macrostegia subsp. arida J. Mallory, V. McCoy 1995-7-3 6454110 Orange Santa Ana Mountains: Blind Canyon, ca. 0.5 mi. E of confluence with Santiago Canyon, on a W-facing slope. N of Irvine Lake. 300 Comment
  POM311830  Calystegia macrostegia subsp. intermedia Lyn Whistler 1958-4-4 167 Orange Salt Creek Beach, south of Laguna on Highway 101. 15 Comment
  RSA558  Calystegia macrostegia subsp. intermedia J. T. Howell 1927-6-9 62 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA659546  Calystegia macrostegia subsp. macrostegia P. Shirokawa 1998-5-7 16 Orange Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  RSA113268  Calystegia soldanella E. K. Balls 1955-4-4 20420 Orange Coastal Strand, mouth of Santa Ana River, W bank, Hwy 101. 3 Comment
  UCSB8575  Calystegia soldanella Haller, Norman 1953-4-25 Orange U.S. 101, 2 miles S of Huntington Beach Comment
  HSC6359  Calystegia soldanella B. Francis 1964-5-2 42 Orange .5 mi. S of Newport Comment
  UCR102028  Camissonia bistorta B. G. Pitzer 1997-3-25 3031 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, on bluffs immediately above beach, along trail that winds around restoration area and down to beach. 30 Comment
  CSUSB161  Camissonia bistorta Patricia Healy 1968-5-11 Orange Cameo Shores, 1 mile from Corona del Mar, on beach cliff. 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
  RSA254974  Camissonia cheiranthifolia subsp. suffruticosa C. W. Tilforth 1975-3-9 1039 Orange Salt water marsh at north-east shoreline of Upper Bay, Newport Beach. Comment
  RSA357147  Camissonia cheiranthifolia subsp. suffruticosa Robert F. Thorne 1975-4-6 45584 Orange Head of Newport Bay. Comment
  RSA698256  Camissonia cheiranthifolia subsp. suffruticosa R. H. McArthur 1934-4-7 s.n. Orange Near outlet of Santa Ana River Comment
  RSA72264  Camissonia cheiranthifolia subsp. suffruticosa F. W. Peirson 1921-1-9 2351 Orange At sea level, Balboa. 0 Comment
  UCR267189  Camissonia cheiranthifolia subsp. suffruticosa Fred M. Roberts 2010-3-12 7181 Orange Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center 50 Comment
  RSA4784  Camissonia strigulosa James Snow s.n. Orange Bryant Ranch, near Long Beach, Station #7. Plant 3. Comment
Read comments
Apr 29 2010
  SDSU3323  Camissoniopsis bistorta H. Wedberg 1958-3-29 172 Orange On MacArthur Blvd., 0.4 mile north of junction with Coast Highway at Corona del Mar. 54 Comment
  UC635392  Camissoniopsis cheiranthifolia subsp. suffruticosa H. L. Mason 1926-4-25 2918 Orange 5 mi s Laguna Comment
  RSA0127614  Camissoniopsis intermedia Fred M. Roberts 2016-4-26 8045 Orange Lomas de Santiago: South of Santiago Canyon Road in tributary to Lower Presida Canyon just southwest of Irvine Lake, 2.2 km S Irvine Lake dam spillway and 0.6 km SW Irvine Lake Park. 265 Comment
  UC2030082  Camissoniopsis micrantha Valerie Soza, K. Clark, LeRoy Gross, Will Miller, Fred M. Roberts, G. D. Wallace 2001-4-4 1125 Orange Anaheim Bay: Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 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
  LA204276  Cardamine californica W. Pequegnat; 1938-3-19 sn Orange Santa Ana Mts. (60deg ENE) 152 Comment
  UCR5198  Cardamine californica O. F. Clarke 1971-1-9 s.n. Orange Santa Ana Mtns, Cleveland National Forest. Harding Canyon (a tributary of Modjeska Canyon) 2 mi NE of Tucker Sanctuary Comment
  RSA369328  Cardamine californica var. integrifolia Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  RSA484622  Cardamine californica var. integrifolia E. Crow 1929-2-22 156 a Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  JEPS53320  Cardaria draba Ethelbert Johnson 1931-5-16 Orange Santa Ana Comment
  HSC94252  Cardionema ramosissimum D. Atwood 1993-3-27 17689 Orange Corona Del Mar State Park along Newport Coast Drive. 0 Comment
  UC1543082  Cardionema ramosissimum Donald G. Nelson 1935-6-27 324 Orange s. of Corona del Mar (s. of mouth of Newport Bay) Comment
  RSA603305  Carduus pycnocephalus Scott D. White 1997-6-12 5330 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
  UCSB48219  Carduus pycnocephalus Roberts, Fred 1981-6-20 Orange Dana Point; 0.7 km. NNE Dana Hills High School 67 Comment
  CAS-BOT-BC118482  Carex praegracilis Helen D. Geis 1902-1-1 505 Orange Unspecified Comment
  CAS-BOT-BC118490  Carex praegracilis Helen D. Geis 1902-4-1 s.n. Orange Unspecified Comment
  CAS-BOT-BC118497  Carex praegracilis Helen D. Geis 1902-1-1 s.n. Orange Near Santa Ana Comment
  CAS-BOT-BC118498  Carex praegracilis Helen D. Geis 1902-1-1 505 Orange Near Santa Ana Comment
  RSA542341  Carex praegracilis Fred M. Roberts, Dar A. Roberts 1989-3-22 4215 Orange Aliso-Wood regional Park: Lower Wood Canyon, 3.6 km SSE Moulton Peak. 34 Comment
  UC971745  Carex praegracilis L. M. Booth 1932-7-1 1234 Orange Anaheim Creek Comment
  RSA751160  Carex triquetra D. E. Bramlet 2008-5-15 4272 Orange Upper Borrego Cyn. 152m east of the access road & 1.7km west of Santiago Cyn Road 450 Comment
  SEINET10495945  Carissa macrocarpa David B. Dunn 1971-8-13 Dunn 18121 Orange Cultivated plants vicinity of Laguna Beach, CA. Comment
  SEINET10447228  Carpobrotus chilensis Charlene A. Bennett 1976-7-22 Bennett 444 Orange Cultivated and native plants collected around the San Clemente Beach area. 3 Comment
  RSA743459  Carpobrotus edulis Fred M. Roberts 2008-7-10 7067 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  UC774887  Carthamus creticus E. L. Paddock 1941-7-21 Orange 1 mi ne Brea (on Union Oil Property, ridge road along south rim Tonner Canyon); Tonner Canyon Comment
Read comments
Aug 18 2010
  RSA0010903  Castilleja affinis Shlomo Gat 1959-5-12 35 Orange Hills in Orange county. Comment
  RSA425875  Castilleja affinis T. W. Minthorn 1928-4-1 s.n. Orange Balboa Palisades. Comment
  UC1012124  Castilleja affinis subsp. affinis F. W. Pennell and Carl Epling 1940-4-21 25149 Orange 5 mi e San Luis Capistrano (Route 74) 60 Comment
  UCSB52430  Castilleja affinis subsp. affinis Roberts, Fred; Marsh, K. 1983-2-25 Orange Laguna Beach; Temple Hill, Canyon Acres Canyon; 1.1km NW Top of the World Sch; 1.7km NE Thurston Sch 220 Comment
  SBBG52723  Castilleja applegatei subsp. martinii C. Davidson 1977-5-18 5628 Orange Bear Springs, Santa Ana Mtns 1219 Comment
  UC407316  Castilleja densiflora subsp. gracilis LeRoy Abrams 1903-4-18 3266 Orange near Capistrano Comment
  RSA732253  Castilleja exserta A. C. Sanders, Fred M. Roberts 2008-4-22 35039 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
  HSC20886  Castilleja exserta subsp. exserta J. W. Johnson 1961-3-29 Orange Newport Beach, N slope overlooking upper Newport Bay 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
  SBBG104116  Castilleja foliolosa B. Pitzer, S. Hemstreet 1992-5-27 1953 Orange USFS Rd 3S04 to Blue Jay Group Cmpgrd, off St Hwy 74, ca. 2 air mi W of El Cariso Cmpgrd 762 Comment
  UCR175052  Castilleja foliolosa Vanessa Lee 2005-4-24 s.n. Orange South Coast, Crystal Cove, Laguna Beach, above Pacific Coast Highway 61 Comment
  RSA696336  Catalpa hybrida Marjorie Moody 1947-05 s.n. Orange No. Main St., Santa Ana, California. 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
  CAS-BOT-BC48493  Ceanothus crassifolius Helen D. Geis 1902-1-1 516 Orange unspecified Comment
  HSC25256  Ceanothus crassifolius Richard Spjut 1972-2-16 2207 Orange Cleveland National Forest of Santa Ana Mtns. 305 Comment
  RSA733938  Ceanothus crassifolius L. C. Hull 1934-2-11 s.n. Orange Black Star Canyon Rd. Comment
  SD247715  Ceanothus crassifolius R. F. Thorne, C. W. Tilforth, E. W. Lathrop. 1977-4-27 49698 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  RSA797906  Ceanothus integerrimus Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49816 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  RSA25843  Ceanothus leucodermis Carl B. Wolf 1941-8-15 11152 Orange W. slope of Santiago Truck Trail. 4.4 mi. below mai divide motorway. 1067 Comment
  RSA698619  Ceanothus megacarpus Dorothy Sammis s.n. Orange Trabuco Canyon. Comment
  RSA0058061  Ceanothus megacarpus Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49675 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 457 Comment
  RSA13145  Ceanothus oliganthus Percy C. Everett 1935-6-18 7202 Orange Main Divide Motorway 1.7 mi. N. of Los Pinos Potrero. 1128 Comment
  RSA0054960  Ceanothus oliganthus Keith E. Hoffmaster 1936-4-5 707 Orange Black Star can., Santa Ana Mts. Comment
  RSA488123  Ceanothus oliganthus var. sorediatus Fred M. Roberts, Karlin G. Marsh 1984-2-15 1186 Orange Caspers Regional Park, south rim of Lucas Canyon along Rancho Carrillo Rd., 4.2 km NE Visitor Center; 0.2 km NW Lucas Survey Marker. 420 Comment
Read comments
Sep 17 2014
  LA45131  Ceanothus papillosus W. Pequegnat; 1938-3-19 sn Orange Santa Ana Mountains, Holy Jim Canyon 975 Comment
  UC2042146  Ceanothus papillosus R. F. Thorne and C. W. Tilforth, E. W. Lathrop 1977-4-27 49697 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  RSA25945  Ceanothus papillosus var. roweanus B. D. Stark 1933-1-5 10030 Orange 2 mi. so. of summit of skyline Drive on road along ridge to Santiago Peak. Santa Ana Mts. 1067 Comment
  LA42099  Ceanothus spinosus W. Pequegnat; 1938-9-3 sn Orange Ortega Rd 365 Comment
  OBI6051  Ceanothus spinosus Carl B. Wolf 1941-8-15 11151 Orange Santa Ana Mts, W slope Santiago Truck trl to Santiago Pk 1.2 mi above F.S. Gate 610 Comment
  UCR174499  Ceanothus spinosus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33062 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
  UCD169754  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]. 457 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
  RSA0027778  Ceanothus tomentosus subsp. olivaceus Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49676 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak] 457 Comment
  CAS-BOT-BC184957  Cenchrus longispinus John Thomas Howell 1927-7-18 2795 Orange Santa Ana River bottom, Santa Ana Canon [Canyon]. 152 Comment
  RSA46  Cenchrus longispinus J. T. Howell 1927-7-18 435 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA697730  Cenchrus spinifex J. Vlahos 1933-10-5 s.n. Orange Santa Ana River Bed by 17th St. bridge. Comment
  CDA7278  Centaurea melitensis Robert L. Pope, Patrick 1957-6-8 Orange Huntington Beach area. 0 Comment
  IRVC14319  Centaurea melitensis L. T. McHargue 1970-6-22 Orange UCI campus, Irvine Comment
  RSA647885  Centaurea melitensis Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-24 35 Orange 1000 ft. northwest of Chino Hills State Park Boundary. 243 Comment
  UCR93176  Centaurea repens Jan West 1994-9-15 s.n. Orange Irvine, Jamboree Rd. 61 Comment
  IRVC27937  Centaurea repens A. C. Sanders, Mark A. Elvin 2003-10-12 27321 Orange Irvine; UCI Arboretum, UCI campus near intersection of Jamboree Blvd and Campus Dr. Southern Coastal 15 Comment
  UCR230837  Centaurium venustum Dick Newell, Judy Booth 2011-6-26 195 Orange Peninsular Range; Santa Ana Mtns., Long Canyon Rd., NW of Hwy 74, Cleveland National Forest 965 Comment
  RSA725538  Centranthus ruber Fred M. Roberts, Robert L. Allen 2007-9-28 6608 Orange Santa Ana Mtns.: Silverado Cyn., along Silverado Cyn. Rd. at eastern edge of town of Silverado. 347 Comment
  UCR237987  Centromadia parryi subsp. australis D. E. Bramlet 2008-9-17 4306 Orange South Coastal Plain, Upper Newport Bay, West Mesa, 76 m east of Irvine Ave. & 305 m south of University Dr. 20 Comment
  UCSB52862  Centromadia parryi subsp. australis Roberts, Jr., Fred 1985-9-17 Orange Irvine; lot between Walnut Ave., Harvard Ave. and Peter's Creek Channel; UTM 3730050mN, 426250mE 20 Comment
Read comments
Feb 22 2019
  POM6368  Cercocarpus betuloides Philip A. Munz, L. T. Street, G. Williams 1919-5-3 2626 Orange Santa Ana River Canyon. Comment
  CHSC116477  Cercocarpus betuloides var. betuloides R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49704 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  SBBG128666  Cercocarpus betuloides var. betuloides R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49704 Orange Sierra Peak; Santa Ana Mtns 900 Comment
  RSA688974  Cercocarpus minutiflorus Fred M. Roberts, David E. Bramlet 2003-4-10 5646 Orange Rancho Mission Viejo: Donna O'Neill Land conservancy, Back Road, ridge between Cristianitos Cyn, and Segunda Deshecha Canada, 1.45km WNW Gato Gate. 216 Comment
  UCR66994  Cestrum nocturnum A. C. Sanders 1990-10-6 10187 Orange Newport Bay, North Star County Beach area on the SW end of the bay, c. 2 km inland of Hwy 1. 3 Comment
  RSA443833  Chaenactis artemisiifolia Gordon Marsh 1978-5-27 s.n. Orange Silverado Canyon. Silverado Canyon Rd, 0.4 mi. E of Post Office at bridge corssing 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
  UCSB48214  Chaenactis glabriuscula Roberts, Fred 1981-5-3 Orange Santa Ana Mtns.; Hot Springs Canyon, 0.8 km. by road N of San Juan Guard Station 256 Comment
  POM202372  Chaenactis glabriuscula var. glabriuscula L. M. Booth 1932-5-18 1056 Orange Newport Bay. Comment
  POM351784  Chaenactis glabriuscula var. glabriuscula M. B. Dunkle 1935-3-3 4350 Orange San Juan Canyon. 457 Comment
  RSA598922  Chaenactis glabriuscula var. glabriuscula Scott D. White 1997-3-28 4852 Orange Above Modjeska Canyon, proposed water tank site 425 Comment
  UC450954  Chaenactis glabriuscula var. glabriuscula F. A. MacF. 1931-3-1 2969 Orange Laguna Beach Comment
  CAS-BOT-BC284202  Chaenactis glabriuscula var. lanosa LeRoy Abrams 1903-4-13 3254 Orange Buena Park Comment
  UC565566  Chaenactis glabriuscula var. orcuttiana H. L. Mason 1926-4-25 2914 Orange 5 mi s Laguna Comment
Read comments
Feb 3 2015
  RSA0008381  Chaenactis glabriuscula var. orcuttiana F. W. Peirson 1924-5-31 4671 Orange 5 miles southeast of Laguna Beach. Comment
  CDA21594  Chamaesyce albomarginata Mark A. Elvin, B. S. Herhus 2006-11-4 5255 Orange Southern Coastal; Huntington Beach; 1.5 km southwest of Wintersburg, southwest of junction Slater and Goldenwest; Shipley Nature Center. Comment
  POM21180  Chamaesyce nutans Helen D. Geis 1902-04 s.n. Orange Roadside, Santa Ana Comment
  RSA562820  Chamaesyce polycarpa var. polycarpa Steve Boyd 1992-5-20 7473 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building). 350 Comment
  RSA70390  Chamaesyce polycarpa var. polycarpa F. W. Peirson 1924-5-31 4663 Orange 5 miles southeast of Laguna Beach. 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
  RSA797479  Chamaesyce supina R. F. Thorne 1977-11-21 49992 Orange Santa Ana Mountains: San Juan Canyon about 2 miles above San Juan Fire Station Comment
  IRVC3124  Cheilanthes clevelandii A. S. Boughey 127 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  RSA685668  Cheilanthes clevelandii T. R. Pray 1956-4-15 1047 Orange San Juan Canyon. Comment
  RSA685783  Cheilanthes newberryi M. B. Dunkle 1934-6-18 3981 Orange San Juan Canyon; Southern Coastal 305 Comment
  RSA797474  Cheilanthes newberryi R. F. Thorne 1977-11-21 49987 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  UC1543088  Cheilanthes newberryi Donald G. Nelson 1935-4-6 236 Orange e San Juan Capistrano (and just s of boundary of Cleveland Nat'l Forest, <canyon> branching northward from summer ranger station on main hwy); San Juan Canyon Comment
  IRVC14987  Chenopodium album Anonymous 1976-10-28 Orange Nieblas School. Fountain Valley 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
  UCD97793  Chenopodium album Ira L. Wiggins 1966-5-25 20664 Orange Parkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton. Comment
  POM201677  Chenopodium album L. M. Booth 827 Orange Santa Ana Canyon. Comment
  RSA5506  Chenopodium album C. B. Wolf 1932-6-28 3760 Orange Bryant Ranch: along western half of north boundary of 40 acre Valencia orange grove at Bryant Ave. and Hansen Road. 9 Comment
  RSA5936  Chenopodium album C. B. Wolf 1932-7-7 3838 Orange Bryant Ranch, along drainage ditch on Bixby Ave.; 100 ft. W. of Hansen Rd.; 100 ft W of corner of NE 1/4 9 Comment
Read comments
Apr 9 2014
  IRVC21735  Chenopodium ambrosioides Fred M. Roberts 1984-10-18 1423 Orange San Juan Canyon, 2.5km ENE San Juan Guard Station; 4.0km WNW Sitton Peak, Santa Ana Mountains 310 Comment
  POM201964  Chenopodium ambrosioides L. M. Booth 1932-7-25 1312 Orange Santa Ana River, 1 1/2 miles from ocean. Comment
  RSA423407  Chenopodium ambrosioides Gertrude Dunn 1930-8-9 s.n. Orange Vacant lot 1/2 mi. east of Huntington Beach. 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
  RSA264  Chenopodium berlandieri var. sinuatum J. T. Howell 1927-7-27 490 Orange Near ranch houses, Rancho Santa Ana 152 Comment
  IRVC22549  Chenopodium californicum Fred M. Roberts 1985-5-1 1705 Orange Aliso Canyon, 2.1km NNE Aliso Peak, Aliso Viejo 67 Comment
  RSA678739  Chenopodium californicum Fred M. Roberts, Carol A. Roberts, Robert Allen 2003-5-11 5856 Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive 76 Comment
  UCSB57555  Chenopodium californicum Roberts, Fred 1984-3-24 Orange Rancho Mission Viejo; Hwy. 74, 9.2 km. by road E San Juan Capistrano; near mouth of Trampas Canyon 90 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
  UCD98280  Chenopodium macrospermum B. Pitzer 1996-4-30 2785 Orange Upper Newport Bay: Calif. Dept. Fish and Game Ecological Reserve, off (W of) Jamboree Rd. 1 Comment
  UC536977  Chenopodium macrospermum var. halophilum Lawrence M. Booth 1932-7-19 1289 Orange Bolsas Marsh Comment
  RSA588847  Chenopodium macrospermum var. halophilum Fred M. Roberts Jr. 1989-10-26 4449 Orange Salt Creek Reservoir Park: San Juan Canyon drainage just west of ball park (old reservoir site), 1.7 km SW Salada Survey Mark and 0.4 km W end of San Juan Road. 82 Comment
  RSA594870  Chenopodium macrospermum var. halophilum Fred M. Roberts Jr., W. R. Ferren, D. E. Bramlet 1991-11-29 4825 Orange Irvine: San Joaquin Freshwater Marsh, ca. 1.5 km NW center of U.C. Irvine Campus, ca. 5 km WNW French Hill. 2 Comment
  IRVC399  Chenopodium murale L. Lewton 1965-4-19 Orange Corona del Mar High School. Newport Beach 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
  UCR222390  Chenopodium murale Mark A. Elvin 2003-1-26 2244 Orange South Coast, Irvine, UC Irvine Open Space Preserve, NE side, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  UCR193835  Chlorogalum pomeridianum A. C. Sanders, Fred M. Roberts 2008-7-16 35846 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  RSA0004894  Chorizanthe chrysacantha var. compacta F. M. Reed 1928-4-27 5700 Orange Beach bluff, between Laguna and Newport Comment
  UCR231161  Chorizanthe fimbriata Dick Newell, Judy Booth 2011-6-26 192 Orange Peninsular Range; Santa Ana Mtns., Long Canyon Rd., NW of Hwy 74, Cleveland National Forest 965 Comment
  POM256711  Chorizanthe fimbriata W. Pequegnat 1940-6-12 s.n. Orange Los Puios Portrero. 915 Comment
  UCSB52868  Chorizanthe procumbens Roberts, Fred 1983-4-24 Orange 0.5km W Dana Point Harbor; 0.8km SSW Richard Henry Dana School 82 Comment
  POM2200  Chorizanthe staticoides D. L. Crawford 1916-5-5 s.n. Orange Laguna Beach Comment
  RSA542532  Chorizanthe staticoides Fred M. Roberts 1988-5-13 3966 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon near spring, 2.3 km NW Bolero Lookout. 439 Comment
  RSA584709  Chorizanthe staticoides Fred M. Roberts, Scott Wade 1989-6-21 4390 Orange San Joaquin Hills: Pelican Hill, c.a. 0.4km ESE summit. 194 Comment
  RSA788915  Chorizanthe staticoides Fred M. Roberts 1999-6-10 5237 Orange Peninsular Range, Santa Ana Mtns. Region: Lomas de Santiago: Loma Ridge, Agua Chinon Cyn., 1.2 km S Bolero Spring and 2.4 km W Bolero Lookout. 324 Comment
  UC536917  Chorizanthe staticoides Lawrence M. Booth 1932-5-12 1031 Orange Newport Bay Comment
  UCR93937  Chrysanthemum coronarium B. G. Pitzer 1996-4-30 2793 Orange San Joaquin Hills, Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy) 15 Comment
  POM201616  Cicuta bolanderi L. M. Booth 1932-7-4 1246 Orange Newport Lagoon. Comment
  POM48464  Cirsium arvense F. W. Peirson 1924-10-19 5248 Orange Wintersberg. Comment
  IRVC9096  Cirsium brevistylum C. A. Taylor 1966-5-18 66 -116 Orange Santa Ana Canyon, Old Rancho Santa Ana Botanic Garden site; full sun on flats and slopes. Chino Hills Comment
  UC537119  Cirsium brevistylum Lawrence M. Booth 1932-5-15 1199 Orange 1/2 mi from Pacific Ocean Comment
  RSA0059655  Cirsium occidentale R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49655 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  RSA569735  Cistanthe monandra A. S. Boughey 153 Orange Santa Ana Mountains: Ortega Hwy., ca. 1 mi. east of San Juan Guard Sta. Comment
  RSA737488  Cistanthe monandra D. E. Bramlet 2008-5-16 4277 Orange Agua Chinon Wash. Site is located in an ephemeral tributary 91m NW of the access road and 1.74km NE of Hwy 241 274 Comment
  UCR79273  Clarkia deflexa Steve Boyd, T. S. Ross 1992-5-19 7441 Orange S Santa Ana Mtns, San Mateo Canyon Wilderness Area. W edge of the wilderness in Lucas Canyon from crossing of creek by Lucas Canyon trail, downstream to confluence with Aliso Canyon. 335 Comment
  RSA493805  Clarkia dudleyana Jeri Hirshberg 1988-6-2 s.n. Orange Upper Gypsum Canyon. 274 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
  UCR227632  Clarkia rhomboidea Robt. L. Allen 2003-6-22 12309 Orange Santa Ana Mountains, west-facing upper slope of Santiago Peak, along North Main Divide Road, c. 0.10 air mi northwest of Santiago Peak summit 1674 Comment
  RSA761795  Clarkia rhomboidea Robt. Allen 2003-6-22 12260 Orange West-facing upper slope of Santiago Peak, along North Main Divide Road,. circa 0.10 air miles northwest of Santiago Peak summit. Comment
  UCR209667  Claytonia parviflora subsp. parviflora Fred M. Roberts 2008-4-16 6905 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 45 Comment
  UCR190973  Claytonia perfoliata A. C. Sanders, Fred M. Roberts 2008-4-22 35036 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  RSA2076  Claytonia perfoliata subsp. mexicana C. B. Wolf 1931-3-6 1853 Orange Trabuco Canyon at Trabuco Camp Grounds, west slope of Santa Ana Mountains. 610 Comment
  UCR218458  Claytonia perfoliata subsp. mexicana Robert DeRuff 2008-1 563 Orange South Coast, Upper Newport Bay, below intersection of Back Bay Dr. and East Bluff Dr. 12 Comment
  RSA16489  Clematis lasiantha Percy C. Everett 1935-6-18 7218 Orange Santa Ana Mts: Summit of Santiago Peak. 1732 Comment
  RSA0027772  Clematis lasiantha Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49689 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  LA207182  Clematis ligusticifolia Jwaiser; 1952-3-10 sn Orange San Juan Capistrano 457 Comment
  HSC25249  Clematis pauciflora Richard Spjut 1972-2-21 2216 Orange Santa Ana Mtns., Cleveland National Forest 305 Comment
  LA207215  Clematis pauciflora W. E. Pequegnat; August 1937 58 Orange Santa Ana Mts Comment
  RSA386283  Clematis pauciflora M. B. Dunkle 1936-3-28 4715 Orange Silverado Canyon. Comment
  RSA449086  Cneoridium dumosum Albert J. Perkins 1921-3-15 s.n. Orange Laguna Heights, hill S.W. of oil well. Comment
  RSA699998  Collinsia bicolor L. C. Hull 1934-4-15 s.n. Orange Laguna Hills Comment
  RSA34587  Collinsia heterophylla N. C. Cooper 1944-6-4 1361 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA408307  Collinsia heterophylla Anstruther Davidson 1920-6-1 3371 Orange Languna Beach Comment
  RSA564111  Collinsia heterophylla var. austromontana B. Pitzer, S. Hemstreet 1992-5-27 1954 Orange Cleveland National Forest. Along road (3S04) to Blue Jay Group Campground, off State Hwy 74 (Ortega Hwy). Approx. 2 mi. (airline) W of El Cariso Campground. 762 Comment
  SBBG128671  Comarostaphylis diversifolia subsp. diversifolia R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49607 Orange tributary to San Juan Cyn, along Ortega Hwy (74) ca. 2 mi above San Juan Fire Station; Santa Ana Mtns Comment
  SEINET8584808 Image available Conium maculatum T. C. Arambula 1966-1 53 Orange Brea, Carbon Canyon Rd Comment
  UCSB48373  Conium maculatum Roberts, Fred 1982-5-22 Orange Dana Point: jct. of Stone Hill Dr. & Selva Rd.; 1.0 km ESE Dana Hills High School; 1.7 km SW Marco Forster Junior High School 40 Comment
  RSA226637  Conium maculatum Christopher Davidson, G. Benny 1971-6-15 1544 Orange Brea Canyon, 0.5 mile N of Central Avenue, along Brea Creek, near Brea Oil Co. wells. Comment
  IRVC9147  Convolvulus arvensis B. Gittins 1963-4-30 204 Orange 1617 Sandalwood St. Costa Mesa Comment
  IRVC963  Convolvulus arvensis J. Morgan 1965-3-12 Orange Corona del Mar High School. Newport Beach Comment
  RSA0013914  Convolvulus arvensis Fred M. Roberts 2012-5-10 7582 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA653183  Convolvulus arvensis David Barrios 1991-5-1 16 Orange Yorba Linda, 1500 ft. northwest of Fairmont Ave and Quail Circle., (117 deg. 45' 00'' +4 28 / 33 deg. 52' 37'' + 37 51.5). 365 Comment
  UCR16173  Convolvulus arvensis Art Dawson 1968-5-4 s.n. Orange Rancho Mission Viejo, Ortega Hwy near San Juan Capistrano, 0.5 mi. north of Ranch Headquarters Comment
  CSUSB645  Convolvulus arvensis Kenneth Hibberd 1966-5-8 660508 4 Orange Frontage Road, one mile north of El Toro Road along Highway 101, Santa Ana Freeway. 121 Comment
  RSA557  Convolvulus simulans J. T. Howell 1928-2-26 s.n. Orange Bee Canyon, Rancho Santa Ana. 305 Comment
  RSA573304  Conyza bonariensis Steve Boyd, Timothy S. Ross 1994-9-14 8361 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
  RSA831  Conyza bonariensis J. T. Howell 1927-9-24 755 Orange Santa Ana Botany Garden 152 Comment
  RSA743521  Conyza canadensis Fred M. Roberts, Carol A. Roberts 2008-9-28 7113 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5 km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA835  Conyza canadensis J. T. Howell 1927-9-24 743 Orange Santa Ana Botany Garden 152 Comment
  IRVC24224  Conyza coulteri Fred M. Roberts 1985-10-1 2292 Orange Silverado Canyon, Silverado Canyon Road, 1.0km by road E junction Santiago Canyon Road. Santa Ana Mountains 320 Comment
  UCR224167  Conyza coulteri Fred M. Roberts, Carol A. Roberts 2008-9-28 7111 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve near northeast Gate, 0.5 km west Marine Institute, Dana Point Harbor 75 Comment
  CHSC22354  Cordylanthus maritimus Robert A. Schlising 1972-5-1 3017 Orange Upper Newport Bay, east of Costa Mesa; saltmarsh along Bayside Drive. Comment
  RSA254979  Cordylanthus maritimus C. W. Tilforth 1975-9-3 1040 Orange Northeast shoreline of Upper Bay, Newport Beach Comment
  NY28945  Cordylanthus maritimus subsp. maritimus R. F. Thorne 1975-4-6 45586 Orange Head of Newport Bay Comment
  POM202716  Cordylanthus maritimus subsp. maritimus L. M. Booth 1932-5-12 1003 Orange Newport Bay. Comment
  RSA0135556  Cordylanthus maritimus subsp. maritimus David E. Bramlet 2005-7-1 3888 Orange Upper Newport Bay, west side of the Bay approximately 61m east of the end of Mariners Drive. Some 611m NW of the Big Canyon area. 0 Comment
  UC537013  Cordylanthus maritimus subsp. maritimus Lawrence M. Booth 1932-7-19 1273 Orange Bolsas Marsh Comment
  UCR193827  Cordylanthus rigidus A. C. Sanders, Fred M. Roberts 2008-7-16 35852 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hangmans Tree Canyon 395 Comment
  UCR193831  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 290 Comment
  CHSC114117  Cordylanthus rigidus subsp. setiger Sandy Leatherman 2011-7-2 2011 -20 Orange Peninsular Ranges; Chino-Puente Hills region: 50 meters west of Carbon Canyon Road and Lions Canyon Road in the City of Brea; UTM Zone 11S; 427559.41E 3756239.97N. 274 Comment
  CAS-BOT-BC287839  Coreopsis californica P. A. Munz No date on label 3814 Orange Santa Ana River Canyon, near RIncon 304 Comment
  SD108850  Corethrogyne filaginifolia var. filaginifolia James Henrickson 1972-10-21 8066 Orange Newport Beach, south of Jamboree Road, east of Irvine Coast Country Club near U. C. Irvine. 45 Comment
  HSC94214  Coronopus didymus D. Atwood 1993-3-29 17727 Orange Huntington Beach along Beach Blvd., 0.5 mi. N of the beach Comment
Read comments
Jul 14 2012
  UC1719426  Coronopus didymus D. Atwood 1993-3-26 17688 Orange Corona Del Mar State Park along Newport Coast Drive 0 Comment
  UCR193622  Coronopus didymus A. C. Sanders, T. B. Salvato 2008-5-13 35374 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
  HSC94229  Cotula coronopifolia D. Atwood 1993-3-29 17728 Orange Huntington Beach along Beach Blvd., 0.5 mi. N of the beach Comment
Read comments
Jul 14 2012
  UC1543192  Cotula coronopifolia Donald G. Nelson 1935-3-30 197 Orange near mouth Brea Canyon (n of Brea, near Portolas Camp) Comment
  UC31282  Cotula coronopifolia C. W. Hamlin 1896-1 7 Orange Buena Park Comment
  UCD130917  Cotula coronopifolia H. Wahlberg 1923-3-13 s.n. Orange Santa Ana. Comment
  UCR106873  Cotula coronopifolia Michael A. Patten, Steve Myers 1993-3-9 s.n. Orange Tustin, Marine Corps Air Station 107 Comment
  JEPS37550  Cotula coronopifolia Alice King April 1908 Orange Santa Ana River Comment
  UCSB44179  Cotula coronopifolia Hennema, J. 1977-5-21 Orange Newport Back Bay 6 Comment
  CAS-BOT-BC77622  Cotyledon Carl B. Wolf 1936-7-8 8099 Orange Coast Highway, western end of Newport Bay 9 Comment
Read comments
Dec 20 2019
  RSA17588  Cotyledon orbiculata C. B. Wolf 1936-7-8 8099 Orange Coast Hwy, Western end of Newport Bay. 9 Comment
  SD134612  Cotyledon orbiculata var. oblonga Reid Moran 1992-8-31 31093 Orange South slope above 1800 Coast Highway, Newport Beach. 14 Comment
  RSA732122  Crassula connata A. C. Sanders, Fred M. Roberts 2008-4-8 34725 Orange Peninsular Range: Lomas de Santiago, Loma Ridge, head of Hicks Canyon. S of Santiago Reservoir. 351 Comment
  UC1543005  Crassula connata Donald G. Nelson 1935-3-23 178 Orange just s. of <Orange thorpe> Ave. E. Fullerton Comment
  RSA752041  Crassula tillaea Fred M. Roberts 2008-3-27 6807 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  IRVC25466  Croton californicus Fred M. Roberts 1987-4-21 3381 Orange Aliso Creek, Aliso Creek Bike Trail, 3.0km ENE Moulton Peak, Aliso Viejo 73 Comment
  RSA697577  Croton californicus Kenneth Beard s.n. Orange Bank of S. A. River. Comment
  RSA731962  Croton setiger A. Sanders, Fred M. Roberts 2008-4-22 34984 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
  RSA0043358  Crypsis schoenoides Fred M. Roberts, Laura Cohen 2012-10-31 7715 Orange San Joaquin HillsL Laguna Lake 1 (Upper Laguna Lake), north end. Laguna Coast Wilderness Park, ca. 5.1 km ENE Signal Hill. 113 Comment
  RSA648656  Crypsis schoenoides R. E. Riefner 2000-8-23 20 -731 Orange NCCP North Ranch Policy Plan Area. Fremont Canyon: N. of Santiago Creek & immediately S. of major stream fork 305 Comment
  RSA800670  Crypsis schoenoides Justin M. Wood 2010-9-29 2751 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
  UCR222384  Cryptantha Mark A. Elvin 2003-1-26 2247 Orange South Coast, Irvine, UC Irvine Open Space Preserve, NE side, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  POM49205  Cryptantha clevelandii L. R. Abrams 1901-4-13 1780 Orange Laguna, San Joanquin Hills. Comment
  RSA743375  Cryptantha clevelandii Fred M. Roberts 2008-4-9 6855 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  RSA798545  Cryptantha clevelandii R. F. Thorne, E. W. Lathrop 1977-5-18 49747 Orange Santa Ana Mountains: summit of Santiago Peak 1733 Comment
  UCR209386  Cryptantha clevelandii Fred M. Roberts 2008-3-19 6782 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 45 Comment
  IRVC15159  Cryptantha intermedia C. Thompson 1965-2-28 Orange Corona Del Mar: Corona Highlands Southern Coastal Comment
  IRVC22194  Cryptantha intermedia Fred M. Roberts 1985-4-8 1632 Orange San Joaquin Hills, Turtle Rock area, hill 1.1km SE French Hill, Irvine 196 Comment
  SEINET3152280  Cryptantha micrantha H. M. Hall 1906-7-26 7588 Orange Upper Santa Canyon Comment
  IRVC15161  Cryptantha microstachys E. McRae 1965-4-8 Orange Costa Mesa Comment
  RSA543960  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-9 6191 Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 Comment
  RSA699870  Cryptantha microstachys Dorothy Sommis s.n. Orange Trabuco Canyon Comment
  UCR191223  Cryptantha microstachys A. C. Sanders 2008-4-29 35127 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 Comment
  UCR191349  Cryptantha microstachys A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34630 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
  UCR192462  Cryptantha microstachys A. C. Sanders, Fred M. Roberts 2008-3-25 34530 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR263638  Cryptantha microstachys Ed Kentner 2012-4-19 128 Orange Foothills of the Santa Ana Mountains, Caspers Wilderness Park, Bell Canyon 160 Comment
  RSA0029035  Cryptantha microstachys Keith E. Hoffmaster 1934-4-22 349 Orange Santiago Canyon near Silverado. Comment
  RSA39346  Cucurbita digitata E. L. Paddock 1948-6-16 12734 Orange N of Sante Fe Railroad Tracks opposite Yorba Cemetery Comment
  CHSC37640  Cucurbita foetidissima T. B. Devine 1981-7-30 737 Orange At junction of Santiago Canyon Road and road to O'Neal Park. 335 Comment
  RSA487  Cucurbita foetidissima J. T. Howell 1927-7-28 504 Orange Near ranch houses, Rancho Santa Ana. 152 Comment
  RSA703679  Cucurbita foetidissima Fred M. Roberts, D. E. Bramlet 2004-11-5 6130 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.92 km SSW Gato Gate and 0.06 km W Cristianitos Road. 81 Comment
  UCR230825  Cucurbita foetidissima Dick Newell, Don Millar, Shara Harris 2011-6-21 186 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agua Chinon Wash 207 Comment
  RSA7199  Cupressus forbesii B. D. Stark 1933-3-17 4532 Orange Claymine Canyon, Santa Ana Mts. 609 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
  CAS-BOT-BC80681  Cupressus guadalupensis var. forbesii C. B. Wolf 1935-1-2 6279 Orange Santa Ana Mts., slopes of Sierra Peak, W. of [Claymine] Clay Mine Canyon along road to peak 670 Comment
  NY16665  Cupressus guadalupensis var. forbesii C. B. Wolf 1935-1-2 6279 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY16674  Cupressus guadalupensis var. forbesii C. B. Wolf 1935-1-2 6278 Orange This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC224408  Cuscuta californica John Thomas Howell 1927-6-3 2420 Orange Southern Puente Hills in the Santa Ana Canon [Canyon] 152 Comment
  RSA797668  Cuscuta californica R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49772 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  UCR16113  Cuscuta californica Dave Cerf 1971-4-17 s.n. Orange Orange Park Acres, 0.25 mi. north of Twin Lakes 396 Comment
  SEINET269588  Cuscuta californica O. F. Clarke 1994-6-17 Orange Laguna Canyon. Growing wild. Parasite on Erigonum fasciculatum. Comment
  POM201718  Cuscuta ceanothi L. M. Booth 1932-7-25 s.n. Orange Santa Ana River Comment
  RSA697260  Cuscuta pentagona Keith E. Hoffmaster 1934-7-15 s.n. Orange Near Santa Ana Comment
  JEPS47118  Cuscuta salina L. M. Booth Oct 1933 Orange Newport Comment
  UCR266302  Cuscuta salina D. E. Bramlet 2009-12-4 4432 Orange South Coast, north end of Upper Newport Bay, SE end of Mesa Dr., mouth of San Diego Creek 3 Comment
  SD175815  Cuscuta subinclusa D. G. Kelch 2006-12-9 06 558 Orange Irvine. University Dr. along tidal creek just E of I-73. 9 Comment
  SD234932  Cuscuta subinclusa A. C. Sanders, F. Roberts 2008-7-3 35688 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder, 1.2 mi. SE of Walnut Canyon Resevoir. 274 Comment
  SD43529  Cuscuta subinclusa Philip A. Munz 1946-10-2 11555 Orange Santa Ana River bottom, Rancho Santa Ana. Comment
  UCD169765  Cuscuta subinclusa R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49627 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station. 214 Comment
  UCR73106  Cuscuta subinclusa Scott D. White 1992-9-23 860 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
  RSA151149  Cycloloma atriplicifolium P. H. Raven 1961-10-15 16848 Orange Anaheim: Santa Ana River Bed at Anaheim Street crossing 61 Comment
  RSA30240  Cynara cardunculus subsp. flavescens Elisabeth Norland 1942-8-12 11296 Orange 2 miles SW of Costa Mesa near jct of 17th Street and Hwy 101. Comment
  CAS-BOT-BC190297  Cynodon dactylon Ira L. Wiggins 1965-9-26 20253 Orange In Carbon Canyon about 3.5 miles above its mouth. Comment
  HSC24269  Cynodon dactylon James Hendrickson 1970-7-25 5032 Orange 3.5 mi. NW of Huntington Beach on sandy margin of Bolsa Bay, ca. 3/4 mi. SE of Warner Ave. along Pacific Coast Hwy. 1 Comment
  RSA0062647  Cynodon dactylon Jack D. Ingwersen 1962-5-30 s.n. Orange Anaheim. Comment
  RSA0089485  Cyperus difformis D. E. Bramlet 2009-11-20 4422 Orange South Coast: San Diego Creek between Irvine and Newport Back Bay. 4 Comment
  RSA800024  Cyperus eragrostis Justin M. Wood 2011-6-28 4306 Orange South Coast: City of Costa Mesa. Fairview Park, just WNW of Marison Special Education Center. Just W of parking area. 25 Comment
  RSA0031763  Cyperus involucratus Robert F. Thorne 1977-11-21 50811 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  CAS-BOT-BC114246  Cyperus laevigatus Carl B. Wolf 1932-7-2 3814 Orange Carbon Canyon, 1/8 mi below La Vida Springs. 213 Comment
  RSA5913  Cyperus laevigatus Carl B. Wolf 1932-7-2 3814 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
  POM1352  Cyperus squarrosus Le Roy Abrams 1901-6-12 1771 Orange Laguna. Comment
  UCD170386  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
  RSA562811  Datisca glomerata Steve Boyd, Timothy S. Ross 1992-5-20 7483 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building). 350 Comment
  RSA791871  Datisca glomerata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49618 Orange Santa Ana Mountains: Bluffs above San Juan Creek, about 1 mile above San Juan Fire Station Comment
  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
  SBBG128673  Datisca glomerata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49563 Orange San Juan Cyn at lower Picnic Camp, just below Ortega Hwy (74); Santa Ana Mtns Comment
  IRVC29795  Datura stramonium Mark A. Elvin, Dean Kelch 2006-12-9 5321 Orange Irvine; San Diego Creek, edge of San Joaquin Marsh, beside University Dr., between Campus Dr. and Hwy 73. Southern Coastal 3 Comment
  RSA421912  Datura wrightii Albert J. Perkins 1922-11-22 s.n. Orange Laguna heights Comment
  RSA79880  Datura wrightii F. W. Peirson 1924-8-29 5095 Orange Road from Artesia to Hungtington Beach, along ditch Comment
  UCR192069  Daucus pusillus A. C. Sanders, Fred M. Roberts 2008-5-6 35245 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
  CAS-BOT-BC299327  Deinandra fasciculata David D. Keck 1932-9-29 1898 Orange Ca. 5 mi. S. of Santa Ana on road to Newport Beach Comment
  CAS-BOT-BC299332  Deinandra fasciculata L. R. Abrams 1917-6-23 6568 Orange Balboa Comment
  RSA747715  Deinandra fasciculata Fred M. Roberts 2008-7-10 7064 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA749349  Deinandra fasciculata Fred M. Roberts 2008-4-22 6922 Orange Lomas de Santiago: Loma Ridge, Lower Hicks Cyn.,along Haul Rd. near asphalt plant, 2.2 km ENE Rattlesnake Reservoir dam and 2.2 km WNW Bee Peak, Irvine Ranch Conservancy. 188 Comment
  UC303962  Deinandra fasciculata D. L. Crawford 1915-9-1 504 Orange Huntington Beach Comment
  UC579523  Deinandra fasciculata A. Lewis 1934-4-1 403 Orange Canada Gubernadora Corona Quadrangle, Canada Gubernadora 579 Comment
  CAS-BOT-BC299328  Deinandra fasciculata Palmer Stockwell 1934-5-12 60 Orange Laguna Beach Comment
  CAS-BOT-BC131026  Deinandra paniculata John Thomas Howell 1931-6-1 6626 Orange San Clemente Comment
Read comments
Oct 4 2017
  UCR251742  Deinandra paniculata R. E. Riefner Jr. 2014-6-3 14- 143 Orange City of Laguna Beach, Moulton Meadows, NE 0.1 mi. from Del Mar Ave. and Balboa Ave. along Mentally Sensitive Trail 266 Comment
  RSA787104  Delphinium parryi Keith E. Hoffmaster 1928-5-29 497 Orange San Onofre. CP5. Comment
Read comments
Nov 19 2013
  UCR192230  Delphinium parryi A. C. Sanders, Fred M. Roberts 2008-5-6 35262 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
  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
  CAS-BOT-BC121418  Delphinium parryi subsp. parryi LeRoy Abrams 1901-6-1 1818 Orange Santiago Peak trail. 304 Comment
  RSA0028963  Delphinium parryi subsp. parryi Thelma Shipe 1932-5-26 s.n. Orange Laguna Hills. PR8. Comment
  CAS-BOT-BC116421  Delphinium patens subsp. hepaticoideum C. B. Wolf 1931-3-6 1856 Orange 1/2 mile below Trabuco Camp Ground, Trabuco Canyon, west slope of the Santa Ana Mts. 609 Comment
  CAS-BOT-BC82947  Dendromecon rigida G. R. Campbell 1949-4-18 13449 Orange Santa Ana Mountains. Santiago Peak. Comment
  RSA16474  Dendromecon rigida subsp. rigida Percy C. Everett 1935-6-19 7233 Orange Santa Ana Mtns.; Main Divide Motorway; 7mi. from summit Santiago Peak (se) 1280 Comment
  RSA171106  Dendromecon rigida subsp. rigida Robert F. Thorne 1963-7-26 32833 Orange Santa Ana Mts., Cleveland National Forest, Trabugo District. 1189 Comment
  UCR267190  Descurainia pinnata subsp. halictorum Fred M. Roberts 2010-3-12 7183 Orange Southeast Coast, DANA POINT HEADLANDS: Harbor Point Park, South of Green Lantern and west of Dana Point Harbor, c. 150 meters SE Interpretive Center 50 Comment
  RSA335  Descurainia pinnata subsp. menziesii J. T. Howell 1928-2-7 827 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  POM369419  Descurainia pinnata subsp. menziesii Albert J. Perkins 1921-3-15 s.n Orange Garden, Santa Ana. Comment
  RSA732173  Dichelostemma capitatum A. C. Sanders, Fred M. Roberts 2008-3-25 34543 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR192475  Dichelostemma capitatum A. C. Sanders, Fred M. Roberts 2008-3-25 34543 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  SEINET12053846  Dichelostemma capitatum J. F. Bright, Wyman, C. 1933-1 8089 Orange Santa Ana Foothills Comment
  RSA681019  Dichelostemma capitatum subsp. capitatum Fred M. Roberts, David E. Bramlet 2003-3-7 5567 Orange Donna O Neill Land Conservancy; West slopes of Christianitos Canyon, Middle Ridge Trail, 0.1km NW Gato Gate. 123 Comment
  RSA208914  Dichelostemma capitatum subsp. capitatum Lee W. Lenz 1965-4-6 24585 a Orange Bluff above ocean, Dana Point. 30 Comment
  RSA588704  Dichelostemma capitatum subsp. capitatum Fred M. Roberts, Carol A. Roberts 1990-5-23 4647 Orange Santa Ana Mtns: West Fork, Upper Long Canyon, near Main Divide Truck Trail, 4.5 km SE Los Pinos Peak. 756 Comment
  RSA652080  Dichelostemma capitatum subsp. capitatum L. M. Anderson 1948-2-27 sn Orange Santa Ana: on NE facing slope of Panorama Heights hill. 188 Comment
  CAS-BOT-BC224617  Dichondra occidentalis Bradshaw 1893-6-1 s.n. Orange Arch Beach Comment
  POM48839  Dichondra occidentalis Stephen Grout 1904-08 s.n. Orange Three Arches, Laguna Comment
  RSA184114  Dichondra repens I. L. Wiggins 1965-7-11 20362 Orange Vacant lot between State College Blvd. and Troy High School campus, Fullerton. Comment
  UCR67008  Digitaria sanguinalis A. C. Sanders 1990-10-6 10181 Orange Newport Bay, North Star County Beach Area on the SW end of the Bay, c. 2 km inland of Hwy 1. 3 Comment
  RSA0029994  Dimorphotheca fruticosa R. E. Riefner Jr. 2011-7-1 11 -79 Orange City of Newport Beach, beach area W. of Shorecliff Road and Cameo Shores Road. 2 Comment
  SJSU377  Diplacus aurantiacus A. W. Jacobs 1938-8-4 Orange Trabuco Canyon Rd, Santa Ana Mts c. 8 mi NE of El Toro Comment
  RSA0045521  Diplacus aurantiacus Jeanne Paxton 1934-4-21 s.n. Orange Modjeska Canyon. PR8. Comment
  CAS-BOT-BC152058  Diplacus longiflorus John Thomas Howell 1927-6-1 2401 Orange Southern Puente Hills at teh Santa Ana Canyon 152 Comment
  CAS-BOT-BC150842  Diplacus puniceus Alice Eastwood; John Thomas Howell 1937-4-24 3931 Orange 2 miles east of San Juan Hot Springs Comment
  RSA0045523  Diplacus puniceus Stephen Bruff s.n. Orange Lemon H[e]ights [a neighborhood of Tustin?]. PR8. Comment
  RSA0054846  Diplacus puniceus Anonymous s.n. Orange Laguna Canyon. Comment
  CAS-BOT-BC195674  Distichlis spicata Carl B. Wolf 1932-7-2 3816 Orange Carbon Canyon, 1/8 mi. below La Vida Springs 213 Comment
  IRVC29710  Distichlis spicata Barry S. Nerhus, Mark A. Elvin 2006-11-4 15 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal 0 Comment
  RSA609758  Distichlis spicata L. C. Wheeler 1946-9-28 6382 Orange Newport Bay: 1/2 mile north of main coast highway. 2 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
  UCSB70754  Distichlis spicata Ferren, Wayne; Roberts, Fred; Marsh 1981-9-25 Orange Seal Beach Ntnl Wildlife Refuge; NW of Huntington Harbor; along Rt. 1 bayside; N end of bridge at Anaheim Bay; 1 mi E of Seal Beach; Margin of salt marsh below hwy, upper edge Comment
  CAS-BOT-BC41691  Draba cuneifolia var. sonorae Helen D. Geis 1902-1-1 529 Orange Santiago Creek. 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
  RSA682914  Drymocallis glandulosa var. wrangelliana Scott D. White, Amanda Duchardt 2003-5-1 9164 Orange Santa Ana Mountain Foothills: Slopes above west side of Trampas Canyon. 107 Comment
  RSA722384  Drymocallis glandulosa var. wrangelliana Mabel Harvey s.n. Orange Trabuco Canyon. Comment
  POM366539  Drymocallis glandulosa var. wrangelliana Christopher Davidson 1977-5-18 5633 Orange Santa Ana Mts. Cleveland National Forest, Falcon campground 1006 Comment
  IRVC129  Dryopteris arguta B. Simson 1965-4-2 Orange Silverado Canyon, Silverado. Santa Ana Mountains Comment
  RSA0014995  Dryopteris arguta Fred M. Roberts 2008-5-14 6962 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Canyon below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 337 Comment
  UCR222640  Dryopteris arguta D. E. Bramlet 2008-4-1 4138 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, upper Hicks Canyon, 24 m south of the Haul Road 302 Comment
  RSA423460  Dudleya F. R. Fosberg 1931-8-19 7221 Orange Aliso Creek, mouth Comment
  RSA423484B  Dudleya caespitosa L. C. Wheeler 1932-6-25 862 Orange Newport Bay. 6 Comment
  RSA48065  Dudleya edulis I. M. Johnston 1924-7-10 s.n. Orange 1/2 mile S mouth Aliso Canyon. Comment
  UC933206  Dudleya edulis Reid Moran 1949-7-2 3287 A Orange Aliso Canyon Laguna Beach Comment
  RSA0002519  Dudleya edulis Reid V. Moran 1948-6-23 3097 Orange North-facing cliff near mouth of Aliso Canyn, south of Laguna Beach 8 Comment
  CAS-BOT-BC411408  Dudleya lanceolata E. W. Lathrop 1974-6-27 7423 Orange 5 miles E of Trabuco Oaks, Trabuco Canyon, Cleveland Nat'l. Forest 396 Comment
  POM201797  Dudleya lanceolata L. M. Booth 1932-6-9 s.n. Orange Newport Bay Comment
  RSA5350  Dudleya lanceolata B. D. Stark 1932-12-9 1674 Orange Dana Point Comment
  RSA743454  Dudleya lanceolata Fred M. Roberts 2008-7-10 7074 Orange Dana Point: Dana Point Headlands, CNLM Preserve, along north slopes above Dana Strand Beach, 0.8km WNW Marine Institute, Dana Point Harbor. 45 Comment
  SEINET3089229 Image available Dudleya lanceolata Cesareo Perez 1971-5-18 22 Orange S. Mesa Dr. & Lemon St., Villa Park. Comment
  UC933254  Dudleya lanceolata Reid Moran 1948-6-23 3093 Orange Arch Beach 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
  CAS-BOT-BC411407  Dudleya lanceolata K. Nakai 1979-5-12 507 Orange Treasure Cove, Newport Bluffs 10 Comment
  CAS-BOT-BC411410  Dudleya lanceolata Ethel H. Campbell 1921-5-1 2 Orange Laguna Beach Comment
  RSA397795  Dudleya lanceolata Anstruther Davidson s.n. Orange Newport Comment
  UC1015322  Dudleya multicaulis Reid Moran 1950-5-24 3412 Orange 1.5 mi above mouth of Laguna Canyon; Laguna Canyon Comment
  UC971741  Dudleya multicaulis L. M. Booth 1932-5-18 1054 Orange Newport Bay Comment
  CAS-BOT-BC109745  Dudleya stolonifera K. Nakai 1978-4-19 359 Orange Aliso Canyon, ca. 300 m east of California Highway 1. 10 Comment
  RSA397833  Dudleya stolonifera Reid V. Moran 1949-7-2 3287 Orange Near mouth of Aliso Canyon, south of Laguna Beach. Comment
  IRVC26520  Dudleya virens subsp. hassei Mark A. Elvin 2004-5-22 3448 Orange UCI Arboretum Southern Coastal 15 Comment
  UC718273  Dudleya viscida Carl B. Wolf 1936-6-17 7948 Orange 0.6 mi below San Juan Hot Springs (along Ortega Hwy); Santa Ana Mtns 182 Comment
  UCR281507  Dysphania pumilio Mitch Provance, Jeremiah George 2017-3-20 317- 103 Orange West Coyote Hills, Fullerton, vicinity of Utility Access Road W of Gilbert Street and N of Rosecrans Ave., on land previously occupied by oil fields. 131 Comment
  RSA773553  Echinochloa colona Fred M. Roberts 2008-6-3 7031 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
  UCD60743  Echinochloa colona Ira L. Wiggins 1965-9-25 20251 Orange Curbway, S of Dorothy Lane near intersection with Kroeger Ave., Fullterton. Comment
  RSA789588  Echinochloa crus-galli R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49634 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  SD218250  Echinochloa crus-galli Mark A. Elvin 2004-5-2 3426 Orange Irvine; San Joaquin Freshwater Marsh near Campus and University Drs. 3 Comment
  RSA703124  Echinochloa crus-galli R. E. Riefner Jr. 2004-8-8 4 -371 Orange City of Anaheim, Santa Ana River bottom, E of 57 Freeway between Orangewood Street and Chapman Avenue. 41 Comment
  RSA654972  Echinodorus berteroi R. E. Riefner 2000-8-21 20 -728 Orange Irvine Lake [Santiago Reservoir], first cove east of the dam 238 Comment
  UCR207559  Echinodorus berteroi O. F. Clarke 2004-7-19 s.n. Orange South Coast, Talbert Regional Park, Costa Mesa, at end of 19th St. 3 Comment
  RSA151075  Eclipta prostrata Peter H. Raven 1961-10-15 16859 Orange Dyke along road to Yorba Linda just north of US Hwy 91 114 Comment
  CHSC109685  Ehrharta calycina Scott D. White; Michael Honer 2003-6-12 9542 Orange Southwestern Santa Ana Mts Foothills: Rancho Mission Viejo. Upper end of Trampas Canyon. 168 Comment
  SEINET7249216  Ehrharta erecta R. E. Riefner Jr. 2012-1 12 -15 Orange City of Dana Point, Dana Point Harbor, vicinity of Puerto Pl. and Dana Point Harbor Drive. 2 Comment
  UCR266405  Ehrharta erecta D. E. Bramlet 2010-3-3 s.n. Orange 1691 Mesa Dr., Newport Beach 16 Comment
  RSA724074  Ehrharta erecta R. E. Riefner 1999-8-21 99 -362 Orange Laguna Beach, west of Pacific Coast Hwy., vicinity of Aliso Creek Park and south to West Drive. 0 Comment
  UCR157701  Eleocharis macrostachya Adrian Wolf 1998-7-1 419 Orange South Coast, north Newport Oil Fields and East Banning Park; between Huntington Beach, Costa Mesa and Newport Beach, just south of the channelized mouth of the Santa Ana River 6 Comment
  UCR193433  Eleocharis macrostachya A. C. Sanders, Fred M. Roberts 2008-5-6 35240 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, head of Hicks Canyon, south of Santiago Reservoir 351 Comment
  RSA750923  Eleocharis montevidensis A. C. Sanders, Fred M. Roberts 2008-7-3 35701 Orange Weir Canyon, along Weir Canyon Rd. 1.2 mi. SSE of Walnut Canyon Reservoir, below Upper Blind Canyon Rd. 212 Comment
  RSA685930  Eleocharis palustris Fred M. Roberts, David E. Bramlet 2003-3-27 5613 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, western slopes of Chistianitos Canyon, 0.8km N Sycamore Gate 0.15km W Cristianitos Road; (San Clemente). 139 Comment
  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
  RSA723492  Eleusine coracana subsp. africana R. E. Riefner 2005-10-17 5 -724 Orange City of Los Alamitos, Arroyo Park, Heather St. at Lamson Ave. 10 Comment
  RSA735119  Eleusine coracana subsp. africana R. E. Riefner 2006-10-8 6 -474 Orange City of Irvine, San Diego Creek, between Alton Pwky. and 405 Fwy 51 Comment
  RSA542551  Eleusine indica Fred M. Roberts 1987-8-19 3587 Orange Santa Ana River: adjacent to Fountain Valley, Harbor Bridge. 13 Comment
  POM202592  Elymus X gouldii L. M. Booth 1932-5-24 1090 Orange Newport Lagoon. Comment
  HSC9694  Elymus condensatus J. W. Johnson 1961-3-29 Orange Newport Beach Comment
  UCR281490  Elymus condensatus Mitch Provance 2017-6-9 617- 100 Orange Coyote Hills, North Fullerton, East side of Gilbert St., 0.5 miles ENE of intersection with Castlewood Dr. 124 Comment
  RSA629046  Elymus glaucus subsp. glaucus Valerie L. Soza, LeRoy Gross 1999-6-10 526 Orange Santa Ana Mountains: Southwestern extension of Modjeska Peak, off dirt road to summit, off Main Divide Road. 1554 Comment
  SD255053  Elymus glaucus subsp. glaucus Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49815 Orange Santa Ana Mountains: Trabuco Canyon Comment
  POM1331  Elymus multisetus Le Roy Abrams 1901-06 1823 Orange Santiago Peak Trail 915 Comment
  RSA65  Elymus multisetus J. T. Howell 1927-6-8 53 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  UCR191425  Emmenanthe penduliflora A. C. Sanders, Fred M. Roberts 2008-4-8 34776 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Harding Truck Trail at Dripping Springs Loop, above Limestone Canyon 495 Comment
  IRVC28776  Encelia californica Archie F. Iskaq 2006-2-4 1 Orange San Joaquin Marsh; NW Edge of Marsh. Southern Coastal 3 Comment
  UCR191328  Encelia californica A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34611 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
  RSA650630  Epilobium adenocaulon var. parishii Daniel Truong 1991-5-13 33 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of 'closed area' Comment
  SBBG16491  Epilobium canum subsp. canum E. B. Carlton 1961-9-3 7 Orange E on Hidden Valley Rd, ca. 1 mi from Broadway and S Coast Blvd, Laguna Beach Comment
  RSA262109  Epilobium canum subsp. mexicanum H. A. Zuill 1966-7-1 269 Orange Trabuco Canyon. Comment
  UCR240070  Epilobium ciliatum Dick Newell, Judy Booth 2012-9-26 290 Orange South Coast, Newport Beach, Back Bay Drive at the Salt Dike 3 Comment
  POM201878  Epilobium ciliatum subsp. ciliatum L. M. Booth 1932-6-4 1145 Orange Newport Lagoon. Comment
  POM3140  Epilobium ciliatum subsp. ciliatum D. L. Crawford 1916-7-26 s.n. Orange Laguna Canyon. Comment
  RSA588523  Epilobium ciliatum subsp. ciliatum M. B. Dunkle 1934-6-18 3982 Orange San Juan Canyon; Southern Coastal 305 Comment
  RSA666097  Epilobium pygmaeum Fred M. Roberts, Michelle Lee 2001-6-4 5481 Orange Rancho Mission Viejo: Chiquita Ridge, 0.2km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. 218 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
  RSA450868  Equisetum laevigatum Gordon Marsh 1977-11-21 s.n. Orange Santa Ana Mountains: S side of Ortega Hwy, 1.2 mi E of San Juan Guard Station, road marker # 107. Comment
  RSA0031657  Equisetum telmateia subsp. braunii Keith E. Hoffmaster 1934-7-3 106 Orange Near Costa Mesa. Comment
  RSA791997  Eragrostis barrelieri A. C. Sanders, Fred M. Roberts 2008-5-6 35223 Orange Lomas de Santiago, lower Hicks Canyon, just above tollway (Hwy 241) crossing on Irvine Haul Rd., near debris basin 216 Comment
  POM21175  Eragrostis cilianensis Helen D. Geis 1902-6-6 s.n. Orange Roadside by Orange bridge. Comment
  SD245210  Eragrostis mexicana subsp. virescens R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49567 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  UCD33017  Eragrostis pectinacea Beecher Crampton 1965-10-27 7583 Orange Orange County, UC - South Coast F.S.. Comment
  UCD64353  Eragrostis pectinacea var. pectinacea Beecher Crampton 1967-5-23 7954 Orange 4 miles east of Irvine UC South Coast Field Station. Comment
  RSA184159  Eremocarpus setiger I. L. Wiggins 1965-10-24 20279 Orange Roadside along Skyline Drive near intersection with Raymond Street, Fullerton. Comment
  RSA697580  Eremocarpus setiger Minor Warne 1934-5-19 s.n. Orange Roadside Forks Trabuco and El Toro Rd. Comment
  JEPS69115  Eriastrum sapphirinum John Thomas Howell 1927-6-9 2471 Orange Santa Ana Canyon Rancho Santa Ana 213 Comment
  UCR73131  Eriastrum sapphirinum Scott D. White 1992-9-23 854 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
  RSA0122940  Eriastrum sapphirinum subsp. dasyanthum D. E. Bramlet 2008-6-3 4286 Orange Upper Borrego Cyn, 136m SE of the access road and 1.5km west of Santiago Cyn Road 433 Comment
  CAS-BOT-BC514999  Eriastrum sapphirinum subsp. dasyanthum John Thomas Howell 1927-6-9 2471 Orange North side, Santa Ana Canyon 213 Comment
  RSA0121315  Eriastrum sapphirinum subsp. dasyanthum L. M. Booth 813 Orange Santa Ana Canyon. Comment
  UCD131585  Ericameria P. B. Kennedy 1925-1-12 10 Orange Irvine Ranch. Comment
  RSA759255  Ericameria cuneata Robt Allen, Reginald Durant 2008-5-16 s.n. Orange Modjeska Peak. W Facing slope within 2 meters of the access road up Modjeska Peak. Approximately midway between the peak's south-facing slope and the sharp bend in extreme N end of the road. 1643 Comment
  POM201508  Ericameria palmeri var. pachylepis L. M. Booth 811 Orange Santa Ana Canyon Comment
  RSA292464  Ericameria palmeri var. pachylepis James Henrickson 1972-10-21 8076 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
  RSA54171  Ericameria palmeri var. pachylepis C. B. Wolf 1931-10-30 2504 Orange Rancho Santa Ana, Santa Ana Canyon. 207 Comment
  RSA5305  Ericameria parishii B. D. Stark 1933-1-5 4498 Orange 2 mi. so. of summit of skyline Drive on road along ridge to Santiago Peak. Santa Ana Mts. 1067 Comment
  UCR247539  Ericameria parishii Dick Newell, Judy Booth 2013-10-6 340 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, North Main Divide Road at junction with Long Canyon Road 1032 Comment
  CAS-BOT-BC131637  Ericameria parishii var. parishii Robert F. Thorne; J. Olmsted 1963-7-26 32830 Orange In Santa Ana Mts., Cleveland Natl. Forest, Trabugo District 1188 Comment
  CAS-BOT-BC131638  Ericameria parishii var. parishii Carl B. Wolf 1933-8-24 5407 Orange Santa Ana Mts., along main divide motorway between Bedford Pk. & Santiago Pk. 1066 Comment
  RSA696782  Erigeron R. H. McArthur 1934-5-19 s.n. Orange Trabuco Canyon. Comment
  UCD131704  Erigeron bonariensis L. M. Booth 1932-6-9 1181 Orange Newport Bay. Comment
  UCR258622  Erigeron bonariensis Fred M. Roberts 2014-7-25 7886 Orange South Coast, SAN JOAQUIN HILLS: Upper Laguna Canyon, Laguna Lake 1 (Upper Laguna Lake), north basin, c.a. 5.1 kn ENE summit Signal Hill. Laguna Coast Wilderness Park 113 Comment
  UCR80036  Erigeron canadensis Scott D. White 1992-9-29 863 Orange Vicinity of City of Brea, immediately north of Carbon Canyon Road and east of Placentia Avenue, +- 1 mi (airline) SSE of Tonner Canyon 183 Comment
  SDSU3943  Erigeron foliosus D. F. Howe 1976-6-4 4905 Orange Trabuco Canyon, Santa Ana Mts. 305 Comment
  SD248335  Erigeron karvinskianus R. E. Riefner Jr. 2013-1-16 13 15 Orange City of Newport Beach, vicinity of Poppy Ave. and Ocean Blvd., coastal bluff at Little Corona Beach. 7 Comment
  UCR277172  Eriobotrya japonica R. E. Riefner Jr. 2014-11-21 14- 390 Orange South Coast, city of Lake Forest, English Canyon, Aliso Creek, vicinity of Trabuco Road at Aliso Creek bridge crossing 146 Comment
  POM12994A  Eriodictyon crassifolium P. A. Munz, I. M. Johnston 1921-5-18 5316 Orange Santa Ana River Canyon. 244 Comment
  RSA734652  Eriodictyon crassifolium var. crassifolium A. C. Sanders, Fred M. Roberts, Amber O Neal, D. E. Bramlet 2008-5-9 35298 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, along old dirt road c. 1.25 mi. ESE of Walnut Cyn Reservoir. 340 Comment
  UCR230225  Eriodictyon crassifolium var. crassifolium Dick Newell, Ed Hill 2011-3-29 096 Orange Peninsular Range; Santa Ana Mtns., below mouth of Weir Canyon, near Outdoor Education Center 165 Comment
  UCD119319  Eriodictyon trichocalyx Raymond A. Evans 1949-4-28 s.n. Orange Mouth of Santa Ana Canyon, near Orange. Comment
  RSA450871  Eriogonum cinereum Fred M. Roberts 1985-7-22 2058 Orange Irvine: MacArthur Blvd., 0.2km N Bonita Canyon Rd.; 1.6 km W UC Irvine campus. 15 Comment
  POM18124  Eriogonum elongatum P. A. Munz 1923-9-7 7740 Orange Santiago Peak in Santa Ana Mountains. 1707 Comment
  RSA211  Eriogonum elongatum J. T. Howell 1927-9-24 741 Orange Santa Ana Botany Garden 152 Comment
  CAS-BOT-BC249758  Eriogonum elongatum var. elongatum John Thomas Howell 1927-9-24 3107 Orange Hills on n. side of Santa Ana Canon [Canyon] 182 Comment
  RSA0031722  Eriogonum fasciculatum Caralisa Breidenbaugh, Mark Breidenbaugh 1992-5-25 63 Orange 1/2 mile south of Chino Hills State Park Boundary. 228 Comment
  RSA669571  Eriogonum fasciculatum D. B. Boatman 1969-3-16 690316 -6 Orange 1/2 mile E crossroads Newport Blvd. and Skyline Dr. Tustin. 91 Comment
  SDSU6522  Eriogonum fasciculatum B. Mastro 1966-9-10 188 Orange 1 mile south of San Clemente on Hwy. 5, near Capistrano. Comment
  UCR159778  Eriogonum fasciculatum subsp. foliolosum Peter A. Bowler 2003-4-26 s.n. Orange Southern Coastal, UC San Joaquin Freshwater Marsh Reserve; bluffs along NW edge of marsh Comment
  CAS-BOT-BC253218  Eriogonum fasciculatum var. fasciculatum Joseph Andorfer Ewan 1932-7-28 7705 Orange Corona del Mar Comment
  CAS-BOT-BC253221  Eriogonum fasciculatum var. fasciculatum H. F. Copeland 1938-6-28 s.n. Orange Laguna Beach Comment
  RSA748169  Eriogonum fasciculatum var. fasciculatum K. M. Meyer, A. Townesmith, T. Scott 2007-3-10 4 Orange Cleveland National Forest, 0.5 mi. N Main Divide Rd./NF3S04, off Hwy. 74. Elsinore Mtns., ridge top. 917 Comment
  SEINET3386503 Image available Eriogonum fasciculatum var. fasciculatum Joseph Ewan 1932-7-28 7705 Orange Corona Del Mar Comment
  CAS-BOT-BC249949  Eriogonum fasciculatum var. foliolosum Helen D. Geis 1902-1-1 524 Orange Santiago Cr. Comment
  UCSB48226  Eriogonum fasciculatum var. foliolosum Roberts, Fred 1981-6-25 Orange Dana Point: On Point, 0.6km W Dana Point Harbor 73 Comment
  SEINET3405136 Image available Eriogonum maculatum Victor Duran 1930-6-8 519 Orange White Mountains, Black Canyon 1737 Comment
Read comments
Dec 13 2015
  RSA701602  Eriogonum molestum J. Russell Bruff 1931-6-23 s.n. Orange S Fork Santa Ana River Comment
  LA206950  Eriogonum nudum var. pauciflorum Carl Epling; 1933-8-24 5400 Orange Santa Ana Mountains, summit of Santiago Peak 1731 Comment
  RSA7392  Eriogonum wrightii var. subscaposum Carl B. Wolf 1933-8-24 5404 Orange Summit of Santiago Peak, Santa Ana Mountains. 1732 Comment
  CAS-BOT-BC297329  Eriophyllum confertiflorum John Thomas Howell 1927-6-26 2592 Orange Claymine Canon, N Santa Ana Mts 243 Comment
  POM202177  Eriophyllum confertiflorum L. M. Booth 1932-5-12 1042 Orange Newport Bay. Comment
  UCSB47578  Eriophyllum confertiflorum Roberts, Fred 1980-4-3 Orange San Juan Canyon, Hwy. 74, bank across from entrance to Lower San Juan Picnic Ground, Santa Ana Mountains 410 Comment
  UC1118358  Eriophyllum confertiflorum var. confertiflorum A. Lewis 1934-4-1 391 Orange San Joaquin Hills Corona Quad., San Joaquin Hills 213 Comment
  UC1294014  Eriophyllum confertiflorum var. confertiflorum E. K. Balls 1958-6-27 23286 Orange Santiago-Mojeska Saddle Santa Ana Mts., Santiago-Mojeska Saddle 1463 Comment
  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
  RSA590950  Erodium botrys Fred M. Roberts 1991-5-2 4774 Orange San Joaqui Hills, Laguna Canyon, Laguna Laurel, Just W of Laguna Canyon Road, 2km N jct El Toro Road, 4.5km E Signal Peak. 110 Comment
  UCSB52457  Erodium botrys 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 30 Comment
  RSA678494  Erodium brachycarpum Fred M. Roberts, Robert Allen, Carol Roberts 2003-5-11 5848 Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive. 76 Comment
  RSA743496  Erodium cicutarium Fred M. Roberts 2008-3-19 6781 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8km W Marine Institute, Dana Point Harbor. 45 Comment
  SD152833  Erodium moschatum Steve Boyd, Tim Ross 1992-5-19 7415 Orange Santa Ana Mts, San Mateo Canyon Wilderness Area. W. edge of wilderness along Lucas Canyon Trail from access road to Rcho Carrillo 7S06 N into Aliso Canyon Comment
  UCR192488  Erodium moschatum A. C. Sanders, Fred M. Roberts 2008-3-25 34555 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA696171  Erysimum capitatum Keith E. Hoffmaster 1932-4-17 s.n. Orange Santa Ana Mts. [Orange/Riverside Cos] Comment
  RSA697438  Erysimum capitatum R. H. McArthur 1934-3-25 s.n. Orange Above forks of Black Starr & Santiago Creek bottom Comment
  SEINET7073414  Eschscholzia californica A. G. Vestal 1963-4-24 s.n. Orange La Paz Canyon, Rancho Mission Viejo. Coordinate datum: NAD27. Comment
  UCR192107  Eschscholzia californica A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35308 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along fire line/bulldozer cut, c. 1.5 mi. east of Walnut Cyn Reservoir 346 Comment
  CAS-BOT-BC402924  Eschscholzia californica Agnes M. Bowman 1899-5-1 s.n. Orange Orange Comment
  UCSB39756  Eschscholzia californica Levine, N. 1977-5-1 Orange Intersection of Malverne and Meadowbrook Way on south side of Malverne, Buena Park 30 Comment
  RSA542456  Eschscholzia californica var. peninsularis Fred M. Roberts 1988-2-9 3783 Orange Lomas De Santiago, Loma Ridge, Upper Hicks canyon rim, 0.7 km N Bee Survey Mark. 469 Comment
  RSA542448  Eschscholzia californica var. peninsularis Fred M. Roberts 1989-3-17 4210 Orange Aliso Wood canyon, Regional Park, Also canyon, 3.3 km SSE Moulton Peak. 57 Comment
  UCR184670  Eucalyptus camaldulensis Dean Kelch 2006-12-9 06 .555 Orange Irvine. University Dr. along tidal Creek just east of I-73 9 Comment
  CDA5160  Eucalyptus erythrocorys R. E. Riefner Jr. 2007-9-27 07 -414 Orange City Laguna Niguel, along Forbes Road near Crown Valley Parkway; west of I-5 Freeway. 0 Comment
  UCR192089  Eucrypta chrysanthemifolia A. C. Sanders, Fred M. Roberts 2008-5-6 35263 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
  JEPS1726  Eucrypta chrysanthemifolia var. chrysanthemifolia Alice King 1908-1 Orange Anaheim Comment
  SD220055  Euphorbia albomarginata Mark A. Elvin 2004-5-2 3428 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7 km (air) NNW 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
  POM201865  Euphorbia misera L. M. Booth 1932-7-23 1300 Orange Corona del Mar, Newport Beach. Comment
  RSA731531  Euphorbia misera R. E. Riefner 2008-3-24 08 -62 Orange City of Dana Point, Dana Point Harbor, along Dana Point Harbor Dr. at Island Way. 12 Comment
  POM201861  Euphorbia peplus L. M. Booth 1932-7-23 1303 Orange Corona del Mar, Newport Beach. Comment
  RSA184196  Euphorbia peplus I. L. Wiggins 1966-2-5 s.n Orange Fairgrounds, Costa Mesa. Comment
  RSA697594  Euphorbia peplus James Snow 1929-3-28 s.n. Orange SantaAna Gardens Comment
  RSA734598  Euphorbia polycarpa A. C. Sanders, Fred M. Roberts 2008-5-6 35228 Orange Lomas de Santiago, lower Hicks Canyon, just above tollway (Hwy 241) crossing on Irvine Haul Rd., near debris basin. 216 Comment
  UCR52297  Euphorbia polycarpa B. G. Pitzer, D. C. Hawks 1986-12-17 0381 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, on Santiago Cyn Rd., c. 1.0 mi SW of [Irvine Lake] Santiago Reservoir 305 Comment
  SD255146  Euphorbia polycarpa R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49784 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  RSA773524  Euphorbia polycarpa var. polycarpa Fred M. Roberts 1999-5-14 5215 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
  RSA0104829  Euphorbia polycarpa var. polycarpa E. P. Cowper 1965-4-6 s.n. Orange Ortega Highway toward San Juan Capistrano. Comment
  UCR239866  Euphorbia serpens O. F. Clarke 2004-8-23 s.n. Orange Santa Ana River Valley, Yorba Linda, Yorba Regional Park, Santa Ana River bank near intersection of E. La Palma Ave. and Fairmont Blvd. 91 Comment
  JEPS46994  Eustoma exaltatum Laura O. Dodge 1920-12-5 Orange Olive; Santa Ana Canyon Comment
  CLARK-A1528-4649  Festuca californica John C. Roos 1930-5-20 3237 Orange Capistrano Beach 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
  UCR209670  Festuca myuros var. myuros Fred M. Roberts 2008-4-16 6911 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of the Marine Institute, Dana Point Harbor 45 Comment
  RSA0073644  Festuca octoflora var. octoflora Fred M. Roberts, Lee Ann Caranza, Eliza Maher 2009-4-7 7145 Orange South Coast Region: DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor. 50 Comment
  CAS-BOT-BC474739  Ficus rubiginosa R. E. Riefner, Jr. 2015-8-29 15 -369 Orange City of Rancho Santa Margarita, Trabuco Marketplace, Rancho Santa Margarita Blvd. at Plano Trabuco 363 Comment
  SD175832  Ficus rubiginosa D. G. Kelch 2006-12-9 06 565 b Orange Irvine, University Drive along tidal creek just east of I-73 9 Comment
  RSA649060  Filago arizonica D. E. Bramlet 2000-4-5 2941 A Orange Ridgeline above the 'MWD' canyon, approximately 1.7 km southwest of Irvine Park. This locality is found 610m southeast of Weir Canyon and 152m southeast of the MWD access road. 88 Comment
  SEINET8465144 Image available Foeniculum vulgare Virginia Carlson 1967-10-11 Orange Near eastern boundary of Fullerton Golf Course north of Bastanchury Road. Comment
  CAS-BOT-BC63075  Frangula californica subsp. californica Reid Moran 1975-7-18 22596 Orange Common in the bottom of upper Trabuco Canyon, Santa Ana Mountains. 725 Comment
  RSA798541  Frangula californica subsp. cuspidata Robert F. Thorne, E. W. Lathrop 1977-5-18 49740 Orange Santa Ana Mountains: summit of Santiago Peak. 1733 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
  RSA5859  Frankenia grandifolia Carl B. Wolf 1932-6-28 3784 Orange Edge of field on Bryant Ave. 9 Comment
  HSC8343  Frankenia salina J. W. Johnson 1961-4-2 Orange Newport Beach, along upper Newport Bay Comment
  IRVC24106  Frankenia salina Fred M. Roberts 1985-9-6 2220 Orange Laguna Beach; Sycamore Hills along Laguna Cyn Rd; N of jct with El Toro Road. Southern Coastal 75 Comment
  SBBG47290  Frankenia salina R. N. Philbrick 1973-8-21 Orange just E of University of California, Irvine 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
  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
  CHSC116472  Fraxinus dipetala R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49687 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  POM9233  Fraxinus dipetala P. A. Munz, R. D. Harwood 1920-4-25 3737 Orange Santa Ana Mountains, Silverado Canyon. 549 Comment
  CAS-BOT-BC538093  Fraxinus uhdei R. E. Riefner, Jr. 2014-11-28 14 -408 Orange City of Newport Beach, SW corner Jamboree Rd. at MacArthur Blvd 16 Comment
  CDA9402  Fraxinus uhdei D. G. Kelch 2006-12-9 6 .535 Orange Along Newport Back Bay Dr. in side canyon. Comment
  IRVC29786  Fraxinus uhdei Mark A. Elvin, Dean Kelch 2006-12-9 5304 Orange Newport Backbay; Big Canyon, lower end. Southern Coastal 3 Comment
  SBBG120620  Fraxinus velutina A. C. Sanders, F. M. Roberts, M. Balk 2006-7-20 33043 Orange San Juan Cyn from Lower San Juan Picnic Area to ca. 1 mi downstream, parallel to Hwy 74 and near Riverside Co line 366 Comment
  RSA295258  Fritillaria biflora H. W. Nixon 1932-04 2437 Orange San Juan Capistrano. Comment
Read comments
Feb 20 2012
  UCR261710  Fritillaria biflora Dick Newell, Don Millar, Catherine Lovella 2015-3-17 391 Orange Peninsular Range; Santa Ana Mtns. Foothills, Baker Canyon, 0.15 mi. SE of Baker Canyon Rd. and 0.15 mi. NNE of 'top of Baker 361 Comment
  SEINET269587  Galium angustifolium O. F. Clarke 1994-6-17 Orange Laguna Canyon. 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
  POM201752  Galium angustifolium subsp. angustifolium L. M. Booth 1932-6-4 1152 Orange Newport Lagoon. Comment
  RSA7473  Galium angustifolium subsp. angustifolium Carl B. Wolf 1933-8-24 5397 Orange Summit of Santiago Peak, Santa Ana Mountains. 1732 Comment
  CAS-BOT-BC94862  Galium nuttallii subsp. nuttallii R. C. Wenk 2008-3-24 722 Orange Chino Hills S.P., South Ridge Road west of San Juan Hill, going W from Equestrian Staging Area 441 Comment
  UCR239620  Galium nuttallii subsp. nuttallii Fred M. Roberts 2012-4-24 7500 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
  UCR144152  Galium porrigens Scott D. White, Amanda Duchardt 2003-5-1 9162 Orange Santa Ana Mountains, slopes above west side of Trampas Canyon 183 Comment
  UCR177290  Galium porrigens Scott D. White, Amanda Duchardt 2003-5-1 9162 Orange Santa Ana Mountains, slopes above west side of Trampas Canyon 183 Comment
  SEINET4039760 Image available Gamochaeta purpurea O. M. Clark 1947-1 14376 Orange Island in Crescent Bay. Comment
  UC1080593  Garrya flavescens E. K. Balls and P. C. Everett 1957-11-25 22847 Orange 1.1 mi e Silverado 883 Comment
  CAS-BOT-BC192123  Garrya fremontii A. M. White 1974-6-2 74 -671 Orange 20 mi, E. of Santa Ana. North of Silverado 1005 Comment
  RSA391430  Garrya veatchii Christopher Davidson 1977-5-18 5605 Orange Santa Ana Mts. Cleveland Nat. Forest. Pleasants Peak (on Orange-Riverside Co. line). 1220 Comment
  SEINET3237951 Image available Gastridium ventricosum A. C. Sanders 2008-4-29 35131 Orange Peninsular Range; Santa Ana Mtns.; Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir. 335 Comment
  UCR191247  Gastridium ventricosum A. C. Sanders 2008-4-29 35131 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 Comment
  RSA0045353  Gastridium ventricosum Keith E. Hoffmaster 1935-5-5 120 Orange San Juan Can., Santa Ana Mts. Comment
  CDA5141  Gaura coccinea var. epilobioides E. Johnson 1939-8-3 Orange Brea. 0 Comment
  CDA5171  Gaura drummondii Johnson 1939-8-3 5 Orange Brea. 0 Comment
  CDA5233  Gaura sinuata E. Dudley Aug 1939 Orange 0 Comment
  POM18088  Gayophytum diffusum subsp. parviflorum P. A. Munz 1923-9-7 7749 Orange Santiago Peak, Santa Ana Mountains. 1646 Comment
  SEINET10728264  Gazania David B. Dunn 1971-8-13 Dunn 18119 Orange Cultivated plants vicinity of Laguna Beach. Comment
  SEINET10728265  Gazania David B. Dunn 1971-8-13 Dunn 18117 Orange Cultivated plants vicinity of Laguna Beach. Comment
  UCR217671  Gazania linearis Fred M. Roberts 2008-5-30 7014 Orange South Coast, Lomas de Santiago, Santiago Creek wash, 0.6 km south southeast of Silverado School, Irvine Ranch Conservancy 314 Comment
  JEPS61411  Geranium carolinianum Alice King Apr 1908 Orange Santa Ana Mts. Comment
  RSA732157  Geranium carolinianum A. C. Sanders, Fred M. Roberts 2008-4-22 35031 Orange Santa Ana Mtns.: Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado. 1200 Comment
  RSA688875  Geranium dissectum Fred M. Roberts 2003-5-1 5664 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Cristianitos Cyn., 0.49km S Gato Gate and just west of Cristianitos Rd. (San Clemente) 84 Comment
  RSA797023  Geranium incanum var. multifidum R. E. Riefner Jr. 2011-7-1 11 -78 Orange City of Laguna Beach, South Crescent Bay, vicinity of Circle Drive and Island Way. 5 Comment
  UC2014873  Geranium incanum var. multifidum R. E. Riefner Jr. 2012-6-16 12 -404 Orange City of Dana Point, Dana Point Harbor Drive at Island Way. Comment
  RSA749296  Gilia achilleifolia Fred M. Roberts, Linda Farley 2008-3-28 6816 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
  SEINET7073547  Gilia angelensis A. G. Vestal 1963-3-27 s.n. Orange Ridge above Cai+-ada Gobernadora. Coordinate datum: NAD27. Comment
  UCR192503  Gilia angelensis A. C. Sanders, Fred M. Roberts 2008-3-25 34550 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR209363  Gilia angelensis Fred M. Roberts, D. E. Bramlet 2008-4-1 6838 Orange Lomas de Santiago, Loma Ridge, East Lomas Ridge Road along crest, 3.2 km northwest of Bee Peak and 3.4 km northeast of Rattlesnake Reservoir Dam, Irvine Ranch Conservancy 388 Comment
  UCR219853  Gilia angelensis Fred M. Roberts 1999-4-26 5199 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, tributary to Santiago Canyon Wash on ridge between Limestone Cyn and the wash, 1.4 km SE Silverado School, 2.7 km north Bolero Lookout 358 Comment
  UCR252202  Gilia capitata Amanda C. Swanson 2013-4-21 27 Orange Peninsular Range; Santa Ana Mtns., hiking trail across from Tucker Wildlife Sanctuary, less than 0.1 mi. from trailhead 434 Comment
  SEINET6099462  Gilia capitata Unknown 1944-6-4 1365 Orange Elsinore Mountain. Lookout at top. Roadside. Comment
  UCR188946  Gilia clivorum Robert DeRuff 1985-3-16 252 Orange Newport Beach, Upper Newport Bay, Eastbluff 31 Comment
  UCR241903  Glebionis coronaria Fred M. Roberts 2012-4-24 7521 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  RSA731759  Gnaphalium canescens subsp. microcephalum Fred M. Roberts, Sandy Leatherman 2007-11-9 6646 Orange San Juan Canyon along San Juan Creek, within the community of San Juan Hot Springs. 216 Comment
  UCR138408  Gnaphalium leucocephalum Scott D. White, Brian Leatherman 1997-6-12 5342 Orange Santa Ana Mtn. foothills, E of San Juan Capistrano: San Juan Creek between Hwy 74 bridge and Mission Vieja site, i.e. c. 2-4 mi east of Hwy I-15/Hwy 74 junction 76 Comment
  RSA696919  Gnaphalium microcephalum Minor Warne 1934-5-19 s.n. Orange Trabuco. Comment
  RSA666100  Gnaphalium palustre Fred M. Roberts, Michelle Lee 2001-6-4 5484 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. (Canada Gobernadora. 226 Comment
  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
  UCR208624  Gnaphalium palustre 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
  RSA603291  Grindelia camporum R. E. Riefner 1997-7-12 97 -232 Orange San Clemente State Beach Comment
  RSA1565  Grindelia camporum var. bracteosa J. T. Howell 1928-7-10 1093 Orange Trabucco Canyon, Santa Ana Mountains. 457 Comment
  RSA17586  Grindelia camporum var. bracteosa C. B. Wolf 1936-7-8 8101 Orange Coast Hwy, Western end of Newport Bay. 9 Comment
  CAS-BOT-BC305207  Grindelia hirsutula Carl B. Wolf 1932-7-2 3810 Orange Olinda. Valencia Ave., opposite Olinda Pilgrim Church 152 Comment
  CAS-BOT-BC305208  Grindelia hirsutula John Thomas Howell 1931-6-1 6624 Orange San Clemente Comment
  CAS-BOT-BC305210  Grindelia hirsutula L. R. Abrams 1917-6-23 6566 Orange Balboa Comment
  HSC79615  Grindelia hirsutula James Henrickson 1972-10-21 8070 Orange Newport Beach, S of Jamboree Rd., E of Irvine Coast Country Club near U. C. Irvine 46 Comment
  UCR7735  Grindelia robusta P. Sunderman 1968-5-11 s.n. Orange W of U.S. 101, immediately south of Corona del Mar. 30 Comment
  RSA696832  Grindelia robusta Minor Warne 1934-5-10 s.n. Orange Fairview Bluffs. Comment
  IRVC8688  Gutierrezia californica Charles W. Sexton 1965-3-27 Orange Ortega Highway out of San Juan Capistrano Southern Coastal Comment
  RSA750926  Gutierrezia californica A. C. Sanders, Fred M. Roberts 2008-7-3 35698 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
  SD72732  Gutierrezia californica F. R. Fosberg 1931-6-21 S 5084 Orange Lower Santiago Canyon. Comment
  UCR220967  Gutierrezia californica Dick Newell, Don Millar 2010-8-31 033 Orange Peninsular Range; Santa Ana Mtns. Foothills, Edison Road above Irvine Lake, 0.9 miles west of Black Star Canyon Rd. 412 Comment
  UCSB48104  Gutierrezia californica Fritzke, S.; Roberts, Fred 1982-4-3 Orange Santa Ana Mtns.: San Juan Canyon, Calif. 74, 0.9km E San Juan Guard Station 269 Comment
  SD245269  Gutierrezia californica R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49629 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station. 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
  UCR18041  Haplopappus menziesii A. C. Sanders, W. W. Wright 1974-5-28 00133 Orange South Coast, Newport back bay [Upper Newport Bay], along Bayside Drive 30 Comment
  UCR26139  Haplopappus menziesii John C. Roos 1949-10-1 4683 Orange South Coast, Doheny Beach 0 Comment
  RSA743465  Hedera helix Fred M. Roberts, Carol A. Roberts 2008-9-28 7115 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  CDA6459  Hedypnois cretica Margaret Bellue, G. C. Fleischman 1945-5-8 Orange Near Brea, Union Oil Property. 0 Comment
Read comments
Aug 18 2010
  RSA39337  Hedypnois cretica E. L. Paddock 1943-5-29 12743 Orange S of Devdar, 1/4 mile E of Carolina Ave extension, Brea. Comment
  LA204758  Helianthemum scoparium B. R. Lower; 1954-3-28 sn Orange hills behind Laguna Beach Comment
  RSA696701  Helianthemum scoparium Anonymous s.n. Orange Modjeska. Comment
  UCR241917  Helianthemum scoparium Fred M. Roberts 2012-5-10 7565 Orange San Joaquin Hills, Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km north of Pelican Hill summit 183 Comment
  UCR252208  Helianthemum scoparium Amanda C. Swanson 2013-4-21 21 Orange Peninsular Range; Santa Ana Mtns., hiking trail across from Tucker Wildlife Sanctuary, less than 0.1 mi. from trailhead 434 Comment
  RSA16357  Helianthemum scoparium var. aldersonii P. C. Everett 1935-6-18 7175 Orange Santa Ana Mts., San Juan Canyon, near Ortega Highway on Road to Santiago Pk, 701 Comment
Read comments
Dec 14 2011
  RSA734760  Helianthus annuus A. C. Sanders, Fred M. Roberts 2008-5-6 35217 Orange Lomas de Santiago, lower Hicks Canyon near Irvine Ranch gate and road junction to cement plant 180 Comment
  POM201743  Helianthus annuus subsp. lenticularis L. M. Booth 1932-6-29 1230 Orange Newport Bay. Comment
  RSA184154  Helianthus annuus subsp. lenticularis I. L. Wiggins 1965-5-24 20285 Orange Roadside along Skyline Dr. near intersection with Raymond St. Fullerton. Comment
  CAS-BOT-BC305656  Helianthus ciliaris T. C. Fuller 1962-6-7 8871 Orange Union Oil lease, Deodoro St., 1.2 mi. e. of Brea Blvd., Brea Comment
  RSA5288  Helianthus gracilentus C. B. Wolf 1932-12-19 4446 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive 762 Comment
  RSA573299  Helianthus gracilentus Steve Boyd, T. S. Ross 1994-9-14 8356 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucus Canyon Trail crossing near old mining camp. Comment
  RSA748268  Helianthus gracilentus A. C. Sanders, Fred M. Roberts 2008-6-17 35513 Orange middle section of Weir Canyon, SSE of Walnut Canyon Reservoir 225 Comment
  RSA874  Helianthus gracilentus J. T. Howell 1927-7-3 256 Orange Claymine Canyon near Sierra Peak. 305 Comment
  SD136917  Helianthus gracilentus Steve Boyd, Tim Ross 1994-9-14 8356 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. 299 Comment
  RSA498167  Helianthus nuttallii subsp. nuttallii M. B. Dunkle 1933-3-5 3082 Orange San Juan Canyon 304 Comment
  IRVC783  Helianthus petiolaris subsp. petiolaris B. Leach 1964-3-8 Orange hills. El Toro Comment
  UC480651  Heliotropium curassavicum Louis C. Wheeler 1931-8-16 Orange Santa Ana R. Canyon 152 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
  RSA5865  Heliotropium curassavicum var. oculatum C. B. Wolf 1932-9-13 4021 Orange Bryant Ranch. 3/10 miles W of Los Alamitos Blvd.700 ft. south of Bryant Ave., (800 ft. east & 700 ft. south of NW corner of SW 1/4 sec. 30 T4S R11W) 7 Comment
  POM215121  Hemizonia australis D. D. Keck 1933-9-17 2524 Orange Westminister Comment
  RSA0038312  Hemizonia fasciculata Louis C. Wheeler 1932-6-25 861 Orange Bluff on north side Newport Bay. 6 Comment
  POM360305  Hemizonia kelloggii M. B. Dunkle 1938-6-23 5383 Orange San Juan Canyon. Comment
  RSA682919  Hemizonia paniculata Scott D. White, Amanda Duchardt 2003-5-1 9147 Orange Santa Ana Mtn Foothills; slopes above the west side of Canada Gobernadora and adjacent small canyon to the west. 76 Comment
  UCR94531  Hemizonia parryi subsp. australis Tony Bomkamp 1995-1 s.n. Orange Rancho Mission Viejo, floodplain of Canada Gobernadora west of Casper Regional Park. 140 Comment
  RSA695596  Hemizonia pungens subsp. pungens Keith E. Hoffmaster 1937-6-27 s.n. Orange Midway City. Comment
  CAS-BOT-BC167001  Heteromeles arbutifolia T. B. Salvato 2010-10-27 5138 Orange South Coast: Dana Point Headlands, Hilltop Park, north of Scenic Dr. and west of Green Lantern St., overlooking Dana Point Harbor 84 Comment
  SD254087  Heteromeles arbutifolia Jim Riley 2013-10-31 131 Orange San Clemente area; 0.29 miles E intersection Avenida Pico and Camino La Pedriza; just N San Diego County line 74 Comment
  UCD113321  Heteromeles arbutifolia K. M. Meyer; A. Townesmith and T. Scott 2007-3-10 3 Orange Cleveland National Forest, 0.5 mi. N. Main Divide Rd./NF3S04, off Hwy. 74. Elsinore Mountains, ridge top. 917 Comment
  UCR102006  Heteromeles arbutifolia B. G. Pitzer 1997-3-25 3041 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  CAS-BOT-BC318905  Heterotheca grandiflora Ira L. Wiggins 1965-9-6 20354 Orange Kraemer Oil Estates near Well #14 near end of county road to Rancho Santa Ana Comment
  JEPS20382  Heterotheca grandiflora L. M. Booth 1932-5-25 1112 Orange Balboa Island Newport Bay, Balboa Island Comment
  RSA0075808  Heterotheca grandiflora Fred M. Roberts 2008-9-28 7110 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5 km W Marine Institute (Dana Point Harbor). 75 Comment
  RSA0075816  Heterotheca grandiflora L. M. Booth 1932-5-25 1112 Orange Balboa Island [Newport Bay]. Comment
  CAS-BOT-BC318903  Heterotheca grandiflora J. Ewan 1931-10-3 s.n. Orange 1/2 mile above La Vida Soda Springs, Carbon Canyon Comment
  RSA0075807  Heterotheca grandiflora Kenneth Beard 1934-03 s.n. Orange Riverbank of Santa Ana River. Comment
  UCD133095  Heterotheca sessiliflora subsp. sessiliflora J. C. Elmore 1929-9-26 2164 Orange San Juan Capistrano. Comment
  CAS-BOT-BC318988  Heterotheca sessiliflora var. echioides John Thomas Howell 1927-9-24 3109 Orange North side of Santa Ana Canyon 213 Comment
  CAS-BOT-BC55402  Hirschfeldia incana Ira L. Wiggins 1966-3-22 20556 Orange Floor of Silverado Canyon about 0.5 mile below entrance to Cleveland National Forest. Comment
  RSA702204  Hirschfeldia incana Fred M. Roberts, David E. Bramlet 2003-6-20 5921 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, tributary to Christianitos Cyn, along Back Road, 1.48 km WNW Sycamore Gate. 189 Comment
  CAS-BOT-BC55399  Hirschfeldia incana Ira L. Wiggins 1966-3-5 20521 Orange Along Highway S-18 about 2 miles east of El Toro. Comment
  RSA38433  Hoffmannseggia glauca E. L. Paddock 1946-6-14 11519 Orange Rancho Santa Ana, along AT & SF Ry., above old pear orchard. Area of approximately 100 sq. ft. 121 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
  POM2592  Holodiscus discolor Philip A. Munz 1918-5-4 2218 Orange Laguna Beach. Comment
  RSA488126  Holodiscus discolor Fred M. Roberts 1985-7-26 2091 Orange Main Divide Truck Trail, Upper Horsethief Canyon watershed, 2.3 km SE Trabuco Peak 1223 Comment
  RSA699267  Holodiscus discolor R. H. McArthur 1934-4-28 s.n. Orange Ladd Canyon Comment
  UC592898  Holodiscus discolor Carl B. Wolf 1933-8-24 5390 Orange Santa Ana Mountains, Summit of Santiago Peak Summit of Santiago Peak; Santa Ana Mountains, Summit of Santiago Peak 1731 Comment
  CAS-BOT-BC150003  Holodiscus discolor var. discolor B. D. Stark 1931-6-10 2248 Orange East fork of Claymine Canyon, north end of Santa Ana Mountains 304 Comment
  UCD22756  Homalocladium platycladum A. T. Leiser 1974-9-26 s.n. Orange So. Coast Field Sta. Comment
  RSA4806  Hordeum depressum James Snow 1932-1 s.n. Orange Bryant Ranch , near Long Beach, Calif. Station #1, Plant 6 Comment
  RSA678515  Hordeum depressum Valerie L. Soza, Kenneth Clark, LeRoy Gross, Will Miller, Fred M. Roberts, Gary D. Wallace 2001-4-4 1132 Orange Seal Beach U. S. Naval Weapons Station, southeastern edge of Seal Beach National Wildlife Refuge. Northern edge of Huntington Harbor. 3 Comment
  UCD85590  Hordeum depressum A. A. Beetle 1942-4-19 3094 Orange 20 miles S of Santa Ana, road to Laguna. Comment
  RSA542370  Hordeum intercedens Fred M. Roberts 1988-4-12 3927 Orange Irvine: south of the San Diego Freeway, 1.2 km ENE French Hill., UTM 3724500m N, 427200m E 41 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
  RSA688979  Hordeum intercedens Fred M. Roberts, Robt. Allen 2003-4-1 5634 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, western slopes of Cristinitos Cyn., 0.16km WSW Gato Gate. 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
  UCR168466  Hordeum intercedens D. E. Bramlet, Fred M. Roberts 2003-5-8 3433 Orange Donna O'Neill Reserve, S-mid east area of reserve, 91 m west of Cristianitos Rd. and 152 m south of the east - west road, San Clemente 119 Comment
  UCR85724  Hordeum marinum Scott D. White 1993-4-28 1282 Orange Pacific slope, Tustin Marine Corps Air Station, NW of Peters Canyon Channel, between Moffett Dr. & Warner Comment
  UCR154289  Hordeum murinum Mark A. Elvin 2004-5-2 3405 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  UCD85922  Hordeum murinum subsp. leporinum A. A. Beetle 1942-4-19 3096 Orange Rt. 101. 2 miles north of Laguna Beach. 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
  SEINET7249215  Ipomoea cairica R. E. Riefner Jr. 2012-1 12 -563 Orange City of Laguna Beach, South Crescent Beach, Circle Way near Cliff Drive. 3 Comment
  SBBG128744  Ipomoea cairica R. E. Riefner Jr. 2012-11-27 12 -563 Orange City of Laguna Beach, S Crescent Beach, Circle Way near Cliff Drive 3 Comment
  CAS-BOT-BC311655  Isocoma menziesii var. vernonioides David D. Keck 1932-9-30 1906 Orange Dana Point, near San Juan Capistrano Comment
  RSA254943  Isocoma menziesii var. vernonioides C. W. Tilforth 1975-9-6 1049 Orange Northeast shoreline of Upper Bay, Newport Beach. 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
  RSA640310  Isocoma menziesii var. vernonioides L. C. Wheeler 1931-6-8 s.n. Orange Balboa Comment
  SD136910  Isocoma menziesii var. vernonioides Steve Boyd, Tim Ross 1994-9-14 8343 Orange Southern Santa Ana Mountains,San Mateo Canyon Area,Lucas Canyon trailhead at Forest Service Road 7S06 on ridge dividing Aliso and Verdugo Cany 509 Comment
  CAS-BOT-BC112434  Isolepis cernua Mark A. Elvin; D. Kelch 2006-12-9 5302 Orange Southern Coastal: Newport Backbay, Big Canyon, lower end. 3 Comment
  IRVC9273  Isomeris arborea B. T. Gittins 1963-3-3 9 Orange [Lower] Newport Bay, sandy bluff at entrance to Balboa Island Newport Beach Comment
  JEPS42708  Isomeris arborea L. M. Booth 1932-5-12 1045 Orange Newport Bay Comment
  CLARK-A1528-1975  Jaumea carnosa John C. Roos 1949-10-1 4682 Orange Doheney Beach Comment
  POM201735  Jaumea carnosa L. M. Booth 1932-6-9 1183 Orange Newport Bay. Comment
  UCR240104  Jaumea carnosa Dick Newell, Judy Booth 2012-9-26 292 Orange South Coast, Newport Beach, Back Bay Drive at the Salt Dike 3 Comment
  IRVC24542  Jaumea carnosa John Johnson 1976-8-10 Orange Newport Back Bay; coastal salt marsh. Newport Beach Comment
  UCSB52422  Jepsonia parryi Roberts, Fred; Polek, M. 1982-11-7 Orange Santa Ana Mtns, Lion Canyon, Chiquito Basin, Trail, 3.6km S Blue Jay Campground; 2.4km, NNE Lower San Juan Picnic Ground 800 Comment
  CAS-BOT-BC101960  Juglans californica Carl B. Wolf 1936-7-8 8103 Orange W. side of Durant St., Santa Ana 30 Comment
  RSA0043360  Juglans californica Fred M. Roberts 2013-8-8 7802 Orange Peninsular Ranges. SANTA ANA MTNS.: Lower Silverado Canyon along Silverado Creek on north side of Silverado Canyon Road, 0.8 km ENE Silverado School and 1.5 km up stream Black Star Road crossing. 325 Comment
  RSA172  Juglans californica J. T. Howell 1927-7-27 485 Orange Near ranch, Rancho Santa Ana 152 Comment
  UCR16466  Juglans californica J. N. Bullock 1970-4-11 s.n. Orange a north side canyon of Tonner Canyon 168 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
  SEINET13942199 Image available Juglans californica B. D. Stark 1933-1 5553 Orange Rancho Santa Ana, Santa Ana Canyon, along irrigation canal 100 yds E of school, upper sonoran life zone, prop. Number 2048. 400 ft. 122 Comment
  SD7922  Juglans californica var. californica George R. Kleeberger 1878-12-1 Orange Santa Ana Valley Comment
  CAS-BOT-BC334501  Juglans hindsii R. E. Riefner, Jr. 2010-9-8 10 -121 Orange City of Laguna Beach, Laguna Canyon, ca 0.15 mi S of El Toro Rd. on E side of Laguna Canyon Rd. 75 Comment
  RSA781304  Juglans hindsii A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37203 Orange Lomas de Santiago, Santiago Canyon near mouth of Limestone Cyn., near Agustine Staging Area at south foot of Blue Diamond Haul Rd. bridge over Santiago Canyon Rd. 253 Comment
  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
  UCR210312  Juglans hindsii A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37203 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon near mouth of Limestone Cyn., near Agustine Staging Area at south foot of Blue Diamond Haul Rd. bridge over Santiago Canyon Rd. 253 Comment
  CAS-BOT-BC102337  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 Liemstone Canyon Rd. gate at Santiago 260 Comment
  OBI2855  Juncus acutus subsp. leopoldii L. Neuenschwander 1970-8-20 63 Orange Ca. 4 mi S of Seal Beach, NE of Pacific Coast hwy at Bolsa Chica Salt marsh 0 Comment
  RSA107  Juncus acutus subsp. leopoldii J. T. Howell 1927-6-30 242 Orange Bryant Ranch near Long Beach. 15 Comment
  RSA748262  Juncus balticus subsp. ater A. C. Sanders, Mitch Provance 2008-5-20 35395 Orange 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
  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
  RSA108  Juncus mexicanus J. T. Howell 1927-7-18 436 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  SEINET6174580  Juncus phaeocephalus E. K. Balls 1949-5-9 13467 Orange Botanic Garden, Santa Ana River Canyon 198 Comment
  POM1601  Juncus rugulosus C. B. Bradshaw 1902-7-19 s.n. Orange Santiago Canyon. Comment
  UCSB48197  Juncus rugulosus Roberts, Fred 1981-6-26 Orange Santa Ana Mts; Viejo Cyn; 0.5 km N Calif. Rte. 74; 2.7 km E San Juan Guard Station Comment
  RSA788802  Juncus textilis Robert F. Thorne 1977-11-21 49984 -a Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp Comment
  SEINET3282755 Image available Juncus textilis A. C. Sanders, Fred M. Roberts 2008-7-16 35855 Orange Peninsular Range; Santa Ana Mtns.; Lomas de Santiago, upper Hangmans Tree Canyon. 395 Comment
  UCR112936  Juncus textilis R. E. Riefner Jr., Adrian Wolf 2000-1-24 20- 108 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Fremont Canyon, north of Santiago Creek and immediately south of major stream fork 305 Comment
  UCR217668  Juncus textilis Fred M. Roberts, R. E. Riefner Jr. 2008-5-30 7023 Orange South Coast, Lomas de Santiago, Loma Ridge, Hanging Man's Tree Canyon, along Hanging Man's Tree Canyon Road, c. 0.4 km west of Santiago Canyon Road and 1.23 km north of Bolero Lookout 372 Comment
  JEPS67112  Juncus torreyi S. B. Parish and W. F. Parish Oct 1882 1593 Orange Orange Comment
Read comments
Jul 18 2010
  UC1601822  Juncus torreyi S. B. and W. F. Parish 1882-10-1 1593 Orange Orange Comment
Read comments
Jul 18 2010
  RSA748271  Juncus xiphioides A. C. Sanders, Fred M. Roberts 2008-6-17 35510 Orange Middle section of Weir Canyon, SSE of Walnut Canyon Reservoir. 225 Comment
  UCR158168  Juncus xiphioides Adrian Wolf 1998-5-27 317 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
  UCR174211  Juncus xiphioides A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33046 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
  UCR193765  Juncus xiphioides A. C. Sanders, Fred M. Roberts 2008-7-3 35704 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
  UCR193843  Juncus xiphioides A. C. Sanders, Fred M. Roberts 2008-7-16 35857 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hangmans Tree Canyon 395 Comment
  RSA702804  Juniperus californica D. E. Bramlet, F. M. Roberts 2003-3-27 3360 Orange Donna O Neill Reserve. S facing slope of tributary to Cristianitos Cyn., 335 m W of Cristianitos Rd. & 428m NW Ford Rd. 136 Comment
  CAS-BOT-BC235531  Keckiella antirrhinoides var. antirrhinoides Helen D. Geis 1904-5-1 735 Orange Silverado Canon [Canyon], Santa Ana Mountains Comment
  UC1618100  Keckiella antirrhinoides var. antirrhinoides Donald G. Nelson 1935-7-6 259 Orange San Juan Canyon Comment
  RSA293306  Keckiella cordifolia D. C. Michener 1980-7-14 3704 Orange Starr Audubon Sanctuary. Riparian woodland margin in Crow Creek ca. 1.3 mi. north of jct along Bell Canyon. 250 Comment
  RSA542499  Keckiella cordifolia Fred M. Roberts, Karlin G. Marsh 1988-4-25 3935 Orange San Joaquin Hills: Los Trancos Canyon, 0.8 kilometer SE Pelican Hill. 81 Comment
  UC1011911  Keckiella cordifolia F. W. Pennell and E. M. Harvey 1949-6-29 26806 Orange above San Juan Capistrano (Ortega Highway) 365 Comment
  UC1063228  Keckiella cordifolia A. Lewis May 1934 426 Orange Trabuco Canyon; Elsinore Quad. 1341 Comment
  UCSB48000  Keckiella cordifolia Roberts, Fred 1980-7-7 Orange Santa Ana Mtns; San Juan Canyon; Hwy 74; 2.4km ENE San Juan Guard Station; 0.3km W Benchmark 1100 345 Comment
  LA209316  Keckiella ternata W. E. Pequegnat; August 1937 18 a Orange Santa Ana Mountains, Santiago Peak 1523 Comment
  RSA679227  Koeleria macrantha Fred M. Roberts 2003-6-25 5943 Orange Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit. 1605 Comment
  UCR132992  Koeleria macrantha Adrian Wolf 2000-1 457 Orange Santa Ana Mtns., North Ranch Policy Plan Area, tributary to Blind Canyon, NW of coal mine 305 Comment
  CAS-BOT-BC271251  Koeleria pyramidata P. Munz; L. Street 1919-5-3 2622 Orange Santa Ana River Canyon Comment
  UCR186506  Koelreuteria bipinnata T. B. Salvato, Katie Kurtz, Mitch Provance 2006-10-15 1903 Orange South Coast, Irvine, San Diego Creek flood control channel, between Campus Drive and Michelson Drive 6 Comment
  SD240851  Laennecia coulteri T. B. Salvato 2010-10-27 5139 Orange South Coast: Dana Point Headlands, Hilltop Park, north of Scenic Dr. and west of Green Lantern St. overlooking Dana Point Harbor. 67 Comment
  UC303536  Laennecia coulteri I. M. Johnston 1918-9-3 2148 Orange ground about lakes Laguna Canyon; Upper Sonoran Zone, San Joachin Hills, Laguna Canyon 106 Comment
  CAS-BOT-BC354308  Lagunaria patersonia R. E. Riefner, Jr. 2009-12-3 09 -247 Orange City of San Clemente, N of San Clemente Pier, along main beach trail vicinity of Buena Vista St at West Canada St. 7 Comment
  RSA732071  Lamarckia aurea A. C. Sanders, Fred M. Roberts 2008-3-25 34557 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCD63319  Lamarckia aurea A. A. Beetle 1942-4-19 3095 Orange Rt. 101. 2 miles north of Laguna Beach. Comment
  UCSB41749  Lamium amplexicaule Fountain, L. 1966-2-16 Orange Northwest corner of Orangethorpe and State College Blvd Comment
  CAS-BOT-BC338902  Lasthenia californica C. B. Wolf 1931-3-6 1847 Orange 1 mile above Trabuco Oaks, Trabuco Canyon, West slope of the Santa Ana Mts. 518 Comment
  CAS-BOT-BC338906  Lasthenia californica Baker 1904-4-1 4088 Orange Anaheim Comment
  IRVC532  Lasthenia coronaria R. Harbour 1965-4-4 Orange Irvine Coast Country Club. Crystal Cove State Park Comment
  RSA695491  Lasthenia coronaria Minor Warne 1934-04 s.n. Orange Laguna Canyon Forks Comment
  RSA736588  Lasthenia gracilis Keith E. Hoffmaster 1931-3-15 367 Orange Santa Ana Mountains Comment
  UCR51672  Lasthenia gracilis Lyman Benson 1946-4-27 12056 Orange South Coast, Corona Del Mar, bluffs above the beach 15 Comment
  UCSB9449  Lasthenia gracilis Lloyd, Robert 1959-4-17 Orange 10 miles south of West Corona on the Oak Flats Fire Road; Santa Ana Mt. Range; Pacific Ocean Drainage Area 792 Comment
  RSA789492  Lasthenia gracilis Aileen Adams 1932-4-29 8 Orange Slope above dam. [Orange Co.?] Comment
  UCR17212  Lavatera cretica Emily Carlton 1966-4-18 51 Orange Pacific coast, Laguna Beach, corner of Agate and Santa Cruz Streets. 30 Comment
  RSA747636  Layia platyglossa Fred M. Roberts 2008-5-16 6983 Orange Dana Point: Dana Point Headlands, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor. 75 Comment
  RSA17019  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
  RSA896  Layia platyglossa subsp. campestris J. T. Howell 1928-2-25 844 Orange Between Nolina and Bee Canyon, Rancho Santa Ana. 152 Comment
  UCSB57139  Lepechinia calycina Marsh, G.; Marsh, K. 1978-5-13 Orange Santa Ana Mtns.: Claymine Canyon Road; above Claymine Canyon center, west ridge also near road Comment
Read comments
Nov 16 2020
  RSA443836  Lepechinia cardiophylla Gordon Marsh, Karlin G. Marsh 1978-5-13 s.n. Orange Claymine Canyon Road; above Claymine Canyon center on west ridge and near road. Comment
  RSA5329  Lepechinia cardiophylla B. D. Stark 1933-1-4 s.n. Orange Ridge above Claymine Canyon. No. end of Santa Ana Mts. 305 Comment
  RSA561497  Lepechinia cardiophylla Steve Boyd, Kyle Boyd 1992-7-9 7653 Orange Northern Santa Ana Mountains, along the main crest of the range, north of Pleasants Peak and south of Oak Flat (aka Oat Flat), 3.5 miles south of junction of Main Divide and Skyline Roads. Comment
  UCR237830  Lepidium Mark A. Elvin 2003-2-2 2263 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  RSA731940  Lepidium didymum Fred M. Roberts, Sandy Leatherman 2007-11-27 6695 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  POM180599  Lepidium lasiocarpum L. R. Abrams 1917-6-23 6569 Orange Balboa Comment
  RSA0013586  Lepidium lasiocarpum D. E. Bramlet, Jim Harrison 2008-4-3 4152 Orange South Bee Cyn. Bowerman landfill site, 1.2km south of Bee Cyn access road, & 122n west of the active landfill. Comment
  UCR99557  Lepidium lasiocarpum B. G. Pitzer 1996-4-30 2810 Orange San Joaquin Hills, Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy) 15 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
  CAS-BOT-BC12522  Lepidium nitidum Carl B. Wolf 1932-3-8 2683 Orange 0.5 mile north of Corona Del Mar borders of Newport Bay. 7 Comment
  RSA627742  Lepidium nitidum Scott D. White 1998-1-26 6066 Orange Irvine, Univ. of Calif. Irvine Campus: Site of proposed Research Park. SW of main campus circle, ca. halfway between Berkeley Av. and new freeway (Bonita Cyn.) 37 Comment
  SEINET7072489  Lepidium nitidum A. G. Vestal 1963-3-27 s.n. Orange About 1.8 miles up Cai+-ada Gobernadora. Coordinate datum: NAD27. Comment
  UCR60664  Lepidium nitidum var. nitidum C. B. Wolf 1932-2-15 02657 Orange Rancho Santa Ana Botanic Garden, above the Rubus beds 183 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
  UCR179765  Lepidium oblongum R. E. Riefner Jr. 2006-4-8 06- 112 Orange South Coast, San Juan Capistrano (city), San Juan Creek at La Novia Ave. 22 Comment
  RSA724046  Lepidium oblongum var. oblongum R. E. Riefner 1998-5-15 98 -331 Orange San Clemente State Beach, mima mound field in SW corner of park. 30 Comment
  JEPS53766  Lepidium virginicum Alice King 1908-3-9 Orange Santiago Creek, Anaheim plain Anaheim Comment
  RSA1446  Lepidospartum squamatum J. T. Howell 1929-2-6 1223 Orange Floor of Claymine Canyon, Santa Ana Mts 152 Comment
  RSA263693  Lepidospartum squamatum H. A. Zuill 1966-7-1 270 Orange Trabuco Canyon. Comment
  RSA734396  Lepidospartum squamatum Keith E. Hoffmaster 1935-4-14 598 Orange Trabuco creek., 1/4 mi. above CCC camp at Trabuco Oaks, Santa Ana Mts. Comment
  UCR240087  Lepidospartum squamatum Dick Newell, Judy Booth 2012-6-3 262 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Maple Springs Truck Trail/Silverado Canyon Rd., 1.6 miles ENE of Maple Springs Gate 741 Comment
  HSC79611  Leptochloa fusca subsp. uninervia James Henrickson 1972-10-21 8059 Orange Eastern Anaheim, 2 blocks E. of Imperial Hwy. along La Palma Ave., just N of Santa Ana River. 61 Comment
  RSA731934  Leptochloa fusca subsp. uninervia Fred M. Roberts, Sandy Leatherman 2007-11-27 6676 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  UC537285  Leptochloa uninervia Lawrence M. Booth 1932-7-18 1262 Orange Costa Mesa Newport Bay Comment
  UCR44908  Leptochloa uninervia B. G. Pitzer, L. F. LaPre 1986-10-20 0318 Orange City of Irvine, Drainage channel near intersection of Irvine Blvd. and Sand Canyon Avenue. 91 Comment
  RSA734967  Leptodactylon californicum A. C. Sanders, Fred M. Roberts, A. O'Neal, D. E. Bramlet 2008-5-9 35302 Orange Weir Canyon, along old dirt road, c. 1.25 mi. ESE of Walnut Cyn Reservoir 340 Comment
  RSA698318  Leptodactylon californicum Anonymous s.n. Orange Siverado. Comment
  UC1377645  Leptodactylon californicum subsp. glandulosum John Ingram 1960-3-29 270 Orange 1 mi below O'Neill Park (Trabuco Canyon); , below O'Neill Park Comment
  RSA574  Leptosiphon androsaceus J. T. Howell 1928-4-7 905 Orange Botany Garden, Rancho Santa Ana. [original location] Comment
  POM3492  Leptosiphon androsaceus Crawford s.n. Orange Laguna Mts. 305 Comment
  SD87568  Leptosiphon floribundus F. W. Peirson 1925-4-10 5741 Orange Silverado Canyon 609 Comment
  RSA708223  Leptosiphon floribundus subsp. floribundus Fred M. Roberts, Robert L. Allen, Chris Barnhill, Nancy Hatfield 2005-5-30 6216 Orange Main Divide Road, ridge between Silverado and Bixby Canyons, coastal slope, 0.46km (air) S Bald Peak. 1203 Comment
  SD28081  Leptosiphon liniflorus Carl B. Wolf 1932-5-19 3637 Orange Rancho Santa Ana Botanic Garden, west of the tennis court. 198 Comment
  CDA35061  Ligustrum lucidum Mark A. Elvin, D. Kelch, B. S. Nerhus, P. Iluore 2006-12-9 5327 Orange Southern Coastal; Newport Backbay; along Bayside Drive ca. 100 miles west of Eastbluff Drive. 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
  UC1544781  Limonium arborescens D. Seigler, E. Rodriquez & B. Sanchez 1978-5-14 10963 Orange N of San Clemente (rest area on I-5) Comment
Read comments
Dec 5 2013
  IRVC29763  Limonium californicum Barry S. Nerhus, Mark A. Elvin 2006-11-4 8 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal 0 Comment
  POM47641  Limonium californicum var. mexicanum I. M. Johnston 1924-8-29 s.n. Orange 2.5 miles north of Balboa. Comment
  RSA234500  Limonium californicum var. mexicanum James Henrickson 1970-7-24 5022 Orange 3 miles NW of Huntington Beach in slough near pickleweed flats NE of Inner Bolsa Bay in Bolsa Chica Salt Marsh. 0 Comment
  RSA554  Limonium californicum var. mexicanum J. T. Howell 1927-10-29 771 Orange Bryant Ranch near Long Beach. 15 Comment
  UCR282154  Limonium duriusculum R. E. Riefner Jr. 2017-3-10 17- 75 Orange South Coast, city of Mission Viejo, along Olympiad Road near intersection with Alicia Parkway 253 Comment
  UCR6061  Limonium perezii Sue Freeman 1966-3-27 s.n. Orange South Coast, Laguna, off end of Wave Street 6 Comment
  UCR188997  Limonium ramosissimum Fred M. Roberts 2007-10-29 6623 Orange South Coast, Niguel Hill, Laguna Niguel. Seaview Park, 1.3 km ENE of Aliso Peak 265 Comment
  RSA468460  Linanthus californicus subsp. glandulosus Claire Kibbe 1936-07 19983 Orange Santa Ana Canyon. Comment
  SEINET6969978  Linanthus dianthiflorus W. P. Vestal, A. G. Vestal 1955-3-24 3459 Orange Trabuco Canyon, about 5 miles east of El Toro. Comment
  RSA73085  Linanthus dianthiflorus subsp. dianthiflorus F. W. Peirson 1923-3-25 3369 Orange Aliso Creek, near Laguna Beach. Comment
  RSA690973  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-29 9424 Orange Santa Ana Mtn foothills: Rancho Mission Viejo. Hills above Canada Gobernadora, west side of canyon, ca. 1 air mile north of Ortega hwy. 91 Comment
  UCR193066  Linanthus liniflorus A. C. Sanders, T. B. Salvato 2008-5-13 35337 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
  RSA698397  Linanthus liniflorus Kenneth Beard s.n. Orange East of Irvine Park. Comment
  UCR209366  Linanthus parviflorus Fred M. Roberts, Linda Farley 2008-3-28 6833 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, 3.3 km east-northeast of Robbers Peak on ridge north of canyon 427 Comment
  UCR175058  Linaria canadensis Vanessa Lee 2005-4-24 s.n. Orange South Coast, Crystal Cove, Laguna Beach, above Pacific Coast Highway 61 Comment
  POM17481  Linaria canadensis var. texana Philip A. Munz 1923-4-1 6910 Orange Laguna Lakes 61 Comment
  UCR51660  Linum lewisii R. Ascanio 1988-5-25 s.n. Orange Hwy 74 c. 5 mi east of San Juan Capistrano Comment
  RSA733826  Lithophragma affine Minor Warne 1934-04 s.n. Orange Laguna Canyon Forks Comment
  RSA599176  Lithophragma affine subsp. affine Scott D. White 1997-3-28 4830 Orange Above Modjeska Canyon, proposed water tank site 425 Comment
  RSA84362  Lithophragma affine subsp. mixtum F. W. Peirson 1925-4-11 5734 Orange Silverado Canyon, Santa Ana Mountains. 610 Comment
  CAS-BOT-BC342125  Logfia filaginoides Le Roy Abrams 1901-6-13 1795 Orange Trabuco Canon [Canyon] Comment
  CAS-BOT-BC283492  Lolium multiflorum Carl B. Wolf 1932-6-13 3728 Orange Fullerton, Malvern, and Nicholas Avenues 53 Comment
  UC729650  Lolium multiflorum Carl B. Wolf 1932-6-13 3714 Orange Fullerton; Rose Drive 53 Comment
  SEINET192714 Image available Lolium perenne C. B. Wolf 1932-6-13 Orange Fullerton Rose Drive 53 Comment
  UCR100179  Lolium perenne Scott D. White 1993-3-5 1125 Orange Tustin. Marine Air Corps Air Station: SE of Red Hill Ave and NE of Barranca 15 Comment
  RSA688868  Lolium perenne Fred M. Roberts 2003-5-1 5670 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.49km S Gato Gate and just west of Cristianitos Rd. (San Clemente) 84 Comment
  RSA0011625  Lolium perenne subsp. multiflorum Rankin s.n. Orange Santa Ana. Comment
  RSA6130  Lolium perenne subsp. multiflorum C. B. Wolf 1932-6-13 3728 Orange Storm drain at Malvern and Nicholas Aves; Fullerton. 53 Comment
  UCR193796  Lolium perenne subsp. perenne A. C. Sanders, Fred M. Roberts 2008-7-3 35707 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Weir Canyon Rd. 1.2 mi. SSE of Walnut Canyon Reservoir, below Upper Blind Canyon Rd. 212 Comment
  CAS-BOT-BC271069  Lolium temulentum P. A. Munz 1918-5-4 2202 Orange Laguna Comment
  CAS-BOT-BC271070  Lolium temulentum E. R. Johnson 1932-5-18 3638 Orange East edge of grain field bordering Rancho, Rancho Santa Ana Botanic Garden 198 Comment
  SEINET192611 Image available Lolium temulentum E. R. Johnson 1932-5-18 Orange Rancho Santa Ana Botanic Garden; edge of grain field bordering the Rancho Comment
  UCD66669  Lolium temulentum R. M. Love 1942-4-16 9 Orange 8 mi. E of Santa Ana. Comment
  RSA6094  Lolium temulentum E. R. Johnson 1932-5-18 3638 Orange Bordering Rancho Santa Ana Botanic Garden 195 Comment
  RSA0048656  Lomatium dasycarpum Keith E. Hoffmaster 1934-4-22 190 Orange Santa Ana Mts. [Orange or Riverside County] Comment
  CLARK-A1528-2431  Lomatium lucidum John C. Roos 1960-5-30 Orange Santa Ana Mountains 1066 Comment
  POM48554  Lomatium lucidum F. M. Reed 1925-5-14 4982 Orange Aliso Canon. Comment
  IRVC21254  Lomatium lucidum Fred M. Roberts 1982-7-7 735 Orange Niguel Hill, 1.6km SE Aliso Peak; 0.7km E BM 133, South Laguna 231 Comment
  UCR130488  Lomatium utriculatum R. E. Riefner Jr. 2000-4-27 00- 392 Orange Santa Ana Mountains, North Ranch Policy Plan Area, along dirt road running south from Baker Canyon Road to Silverado Road 335 Comment
  IRVC325  Lonicera japonica B. Aldis 1965-4-25 Orange Slater Ave. Huntington Beach Comment
  RSA234567  Lotus corniculatus James Henrickson 1970-8-22 5300 Orange 2.5 miles NNW of Huntington Beach. 0 Comment
  RSA681023  Lotus hamatus Fred M. Roberts, David E. Bramlet 2003-3-13 5582 Orange Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 207 Comment
  UC1719510  Lotus hamatus D. Atwood 1993-3-27 17693 Orange Corona del Mar State Park along Newport Coast Drive 0 Comment
  RSA16339  Lotus heermannii P. C. Everett 1935-6-18 7195 Orange Santa Ana Mts., Main Divide Motorway to Santiago Pk., 1 mi. from Ortega Highway. 732 Comment
  RSA734806  Lotus humistratus A. C. Sanders, Fred M. Roberts 2008-5-6 35254 Orange Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  POM50645  Lotus micranthus L. R. Abrams 1901-06 1825 Orange Santiago Peak Trail 915 Comment
  CLARK-A1528-2802  Lotus purshianus John C. Roos 1965-6-16 Orange Dana Point Comment
  UC1543068  Lotus purshianus var. purshianus Donald G. Nelson 1935-7-5 345 Orange E. Elm St., Brea Brea Comment
  RSA396  Lotus salsuginosus J. T. Howell 1927-6-3 23 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA735165  Lotus salsuginosus A. C. Sanders, Fred M. Roberts 2008-5-6 35232 Orange Lomas de Santiago, lower Hicks Canyon, just above tollway (Hwy 241) crossing on Irvine Haul Rd., near debris basin. 216 Comment
  JEPS55886  Lotus scoparius Alice King May 1902 Orange Newport Comment
  RSA769616  Lotus scoparius E. W. Lathrop 1974-6-27 7415 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  UC511104  Lotus scoparius Lyman Benson 1932-3-26 3200 Orange Dana Point 60 Comment
  UC864897  Lotus scoparius I. W. Clokey 1932-3-1 5329 Orange Laguna Beach 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
  UCR131890  Lotus scoparius J. Mallory, V. McCoy 1995-7-3 6454- 93 Orange Santa Ana Mountains: N-facing slope in Santiago Canyon, c. 0.5 mi. east of Santiago Canyon Rd; near Irvine Park 200 Comment
  RSA90319  Lotus scoparius F. W. Peirson 1923-3-26 4093 Orange Canada Salada. Comment
  RSA406320  Lotus strigosus M. B. Dunkle 1933-4-7 3277 Orange Dana Point Comment
  RSA680915  Lotus strigosus Scott D. White 2003-3-21 8800 Orange Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 122 Comment
  UC867303  Lotus strigosus I. W. Clokey 1932-3-1 5328 Orange Laguna Beach Comment
  UCR191322  Lotus strigosus A. C. Sanders, Fred M. Roberts 2008-4-8 34746 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, head of Hicks Canyon, S of Santiago Reservoir 351 Comment
  UCR191463  Lotus strigosus A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34646 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
  POM9282  Lotus strigosus P. A. Munz, R. D. Harwood 1920-4-24 3770 Orange Sierra [Freemont] Canyon 366 Comment
Read comments
Sep 17 2011
  IRVC14756  Lotus strigosus var. hirtellus A. S. Boughey 1968-4-23 217 Orange Black Star Canyon, .5mi below Hidden Ranch; area burned this winter. Santa Ana Mountains Comment
  RSA406435  Lotus unifoliolatus M. B. Dunkle 1934-6-18 3988 Orange San Juan Canyon; Southern Coastal 305 Comment
  SD175839  Ludwigia peploides D. G. Kelch 2006-12-9 06 561 Orange Irvine. University Drive along tidal Creek just east of Interstate 73. 9 Comment
  RSA232237  Ludwigia peploides subsp. peploides James Henrickson 1970-8-29 5301 Orange 3 miles NE of Huntington Beach in pasture just N of Bolsa Chica Salt Marsh. Sea level. 0 Comment
  UCR194560  Lupinus andersonii A. C. Sanders, Fred M. Roberts 2008-4-8 34763 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
  RSA585490  Lupinus arboreus var. arboreus R. E. Riefner 1994-5-22 94 -384 Orange San Mateo Unit, San Onofre State Beach, west of Pico Avenue. Comment
Read comments
Nov 19 2013
  JEPS65411  Lupinus bicolor Alice King 1908-4-18 Orange Santa Ana Mts. Comment
  SD247647  Lupinus bicolor R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49713 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  IRVC2290  Lupinus bicolor subsp. marginatus C. Weir 1965-5-9 HS 0424 Orange Newport Beach, [Newport] Back Bay. Southern Coastal Comment
  RSA407  Lupinus bicolor subsp. microphyllus J. T. Howell 1925-2-25 852 Orange Near Bee Canyon, Rancho Santa Ana. 152 Comment
  RSA788819  Lupinus excubitus Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49802 Orange Santa Ana Mountains: Trabuco Canyon Comment
  UC527213  Lupinus excubitus C. B. Wolf 1931-5-20 2056 Orange along Santa Fe R.R. 1 mi w Esperanza (Santa Ana Canyon); Santa Ana Canyon 106 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
  SD255174  Lupinus excubitus R. F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49802 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  CAS-BOT-BC216674  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-27 3698 Orange 0.75 mile W of Atwood, S of Santa Fe RR 91 Comment
  CAS-BOT-BC215310  Lupinus excubitus var. excubitus C. B. Wolf 1931-5-20 2056 Orange Along Santa Fe RR, 1 mile W of Esperanza, Santa Ana Canyon 106 Comment
  RSA28730  Lupinus excubitus var. hallii R. S. Woglum 1938-5-8 1619 Orange Ortega Hwy, Santa Ana Mts Comment
  RSA6197  Lupinus excubitus var. hallii Carl B. Wolf 1932-5-27 3698 Orange Santa Fe R R, 3/4 mile West of Orange County. 91 Comment
  CHSC13495  Lupinus hirsutissimus T. N. Casale 1974-3-11 3 Orange On side of road, ca. 7.3 mi ne of the Mission San Juan Capistrano on Hwy 74. 243 Comment
  RSA2086  Lupinus hirsutissimus Carl B. Wolf 1931-3-6 1843 Orange Trabuco canyon, 1/2 mile above Trabuco Oaks, west slope of Santa Ana Mountains. 457 Comment
  RSA754066  Lupinus hirsutissimus A. C. Sanders, Fred M. Roberts 2008-7-16 35881 Orange Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 358 Comment
  UCSB47613  Lupinus hirsutissimus Roberts, Fred 1980-5-3 Orange Main Divide Truck Trail, 0.4 km. NNE Falcon Group Camp (near Blue Jay CG); Santa Ana Mountains 1067 Comment
  RSA413751  Lupinus latifolius subsp. parishii N. C. Cooper 1944-6-4 1336 Orange San Juan Canyon. 549 Comment
  UC201985  Lupinus longifolius D. L. Crawford 1916-5-10 735 Orange Laguna Canyon; Southern California 152 Comment
  UC1595603  Lupinus microcarpus var. microcarpus Fred M. Roberts Jr. and Carol A. Roberts 1989-4-7 4262 Orange 0.6 km nw Moulton Peak; Aliso-Wood Canyon Regional Park, Upper Wood Canyon 131 Comment
  IRVC15356  Lupinus sparsiflorus Charles W. Sexton 1974-4-23 s.n. Orange Upper Trabuco Canyon, third fork below Yeager's Mesa. Santa Ana Mountains 762 Comment
  IRVC2305  Lupinus sparsiflorus subsp. sparsiflorus E. P. Cowper 1965-4-3 s.n. Orange Modjeska Canyon Santa ANa Mountains Comment
  RSA649056  Lupinus sparsiflorus subsp. sparsiflorus D. E. Bramlet 2000-4-21 2991 Orange Ridge 488m northeast (above) the MWD access road. the site is 1.3 km west of Blind Canyon and 640m north of Irvine Park. 268 Comment
  IRVC14753  Lupinus sparsiflorus subsp. sparsiflorus A. S. Boughey 1968-4-16 227 Orange Lower Modjeska Canyon, Fleming property. Sana Ana Mountains Comment
  RSA113262  Lupinus sparsiflorus subsp. sparsiflorus E. K. Balls 1955-4-4 20426 Orange San Juan Creek along Hwy 74, San Juan Capistrano to Elsinore. 46 Comment
  UC1543229  Lupinus succulentus Donald G. Nelson 1934-12-1 137 Orange E. Chapman Ave. Fullerton (along Barranca); , along Barranca 76 Comment
  RSA0055061  Lupinus succulentus Jim Shevock 1971-3-8 757 Orange Trabuco Canyon, Santa Monica Mountains. 396 Comment
  IRVC8859  Lupinus truncatus Charles W. Sexton 1964-5-17 s.n. Orange Holy Jim Canyon. Santa Ana Mountains Comment
  RSA404  Lupinus truncatus J. T. Howell 1928-2-25 839 Orange Near Bee Canyon, Rancho Santa Ana. 152 Comment
  RSA681014  Lupinus truncatus Fred M. Roberts, D. E. Bramlet 2003-3-13 5580 Orange Donna O'Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 207 Comment
  RSA735204  Lupinus truncatus Keith E. Hoffmaster 1934-4-22 177 Orange Santa Ana Mountains Comment
  UCR52603  Lupinus truncatus Jeri Hirshberg 1988-6-7 s.n. Orange Santa Ana Mountains, Santa Ana Mountains 275 Comment
  RSA588779  Lupinus truncatus Fred M. Roberts, Nicole Orlik 1990-4-11 4558 Orange Santa Ana Mountains: East Fork Upper Long Canyon, along Main Divide Truck Trail, 4.4 kilometers SE Los Pinos Peak. 750 Comment
  SD248503  Lycium brevipes var. hassei R. E. Jr. Riefner 2014-4-12 14 77 Orange City of San Clemente, San Clemente State Beach, SSW ca. 100 m from the intersection of Ave. Calafia and South Ola Vista Rd. Along trail. 39 Comment
  LA209655  Lycium californicum B. R. Lower; 1954-4-25 sn Orange Laguna Beach Comment
  POM4193  Lycium californicum I. M. Johnston 1918-5-5 1949 Orange Laguna Beach. Comment
  RSA3177  Lycium californicum Carl B. Wolf 1932-3-8 2686 Orange 1/2 mile N of Corona del Mar, Newport Bay. 8 Comment
  RSA0071939  Lycium californicum CNPS Accuracy Assessment Team 2014-7-22 6468 .1 Orange Crystal Cove State Park. Comment
  RSA0014850  Lythrum californicum Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6109 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, ca. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  UC536934  Lythrum californicum Lawrence M. Booth 1932-6-4 1147 Orange Newport Lagoon Comment
  POM49378  Madia elegans subsp. elegans L. R. Abrams 1901-06 1817 Orange Santiago Peak Trail 915 Comment
  UC185712 Image available Malacothamnus densiflorus J. C. Nevin Orange San Juan Capistrano Comment
  CAS-BOT-BC206260  Malacothamnus fasciculatus John Thomas Howell 1927-6-20 2557 Orange North side of Santa Ana Canyon 243 Comment
  RSA433316  Malacothamnus fasciculatus Albert J. Perkins 1923-6-28 s.n. Orange Laguna Cliffs 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
  SBBG83229  Malacothamnus fasciculatus var. fasciculatus B. Pitzer, L. F. LaPre 1986-10-20 322 Orange Trabuco Rd at intersection with Sand Cyn Avenue, NW of El Toro Marine Air Station 79 Comment
  CAS-BOT-BC175460  Malacothrix saxatilis A. C. Sanders 2008-4-29 35120 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 Comment
  UCR193543  Malacothrix saxatilis A. C. Sanders, Fred M. Roberts 2008-7-3 35669 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation Corridor 415 Comment
  IRVC21322  Malacothrix saxatilis var. tenuifolia Fred M. Roberts 1982-7-30 786 Orange Niguel Hill, 0.9km ENE Aliso Peak, Laguna Niguel 260 Comment
  RSA549990  Malacothrix saxatilis var. tenuifolia Scott D. White 1992-9-23 857 Orange Vicinity of Olinda, near city of Brea, immediately N of Carbon Cyn Rd & E of Placentia Ave.; ca. 1 mi. (airline) SSE of Tonner Cyn. 183 Comment
  RSA507486  Malacothrix saxatilis var. tenuifolia Jeri Hirshberg 1988-6-7 s.n Orange Santa Ana Mts. 274 Comment
  IRVC29870  Malephora crocea Mark A. Elvin, D. Kelch 2006-12-9 5297 Orange Newport Backbay; Big Canyon, lower end. Southern Coastal 3 Comment
  LA62901  Malosma laurina W. E. Pequegnat; 1937-9-6 sn Orange Santa Ana Mountains, Ortega Rd Comment
  RSA696480  Malosma laurina E. K. Robinson 1934-10-23 s.n. Orange Santa Ana Comment
  SD245234  Malosma laurina R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49609 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Roadbank above San Juan Creek. Comment
  CAS-BOT-BC206641  Malva assurgentiflora L. R. Abrams 1917-6-23 6577 Orange Balboa Comment
  HSC79313  Malva parviflora W. R. Marsh Aug 1972 37 Orange Between Artesia and Buena Park, E side of Artesia Ave., 1.5 mi. NW of Western Ave. 23 Comment
  RSA184165  Malva parviflora I. L. Wiggins 1966-3-1 20479 Orange western edge of California State College campus, Fullerton 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
  POM2951  Malvella leprosa D. L. Crawford 1916-7-26 s.n. Orange Laguna Canyon 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
  RSA77178  Malvella leprosa F. W. Peirson 1924-5-31 4646 Orange Laguna Canyon, near Laguna Beach. 107 Comment
  RSA441225  Marah macrocarpa M. B. Dunkle 1931-2-19 3839 Orange San Juan Canyon Comment
  RSA488  Marah macrocarpa J. T. Howell 1927-6-6 45 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  RSA441221  Marah macrocarpa Albert J. Perkins 1913-2-13 s.n. Orange Peralta. Comment
Read comments
Jun 16 2012
  RSA801986  Marah macrocarpa var. macrocarpa Minor Warne 1934-2-1 s.n. Orange Santiago Canyon Comment
  UCR237844  Marrubium vulgare Mark A. Elvin 2003-2-2 2273 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  RSA552932  Marrubium vulgare Fred M. Roberts, R. E. Riefner 1989-5-2 4333 Orange Aliso-Wood Canyons Regional Park: Lower Woods Canyon, 3.3 km S Multon Peak. 40 Comment
  UCSB12635  Marrubium vulgare Whittington, M. 1962-4-20 Orange South side of Back Newport Bay about .5 miles south of salt works, Newport Comment
  UC1543034  Marsilea vestita subsp. vestita Donald G. Nelson 1936-7-26 440 Orange mesa n of Newport Beach (Costa Mesa) Comment
  UC574970  Marsilea vestita subsp. vestita Arthur Haupt 1935-4-12 Orange Costa Mesa Comment
  UC1543207  Matricaria discoidea Donald G. Nelson 1935-3-24 188 Orange s side Santa Ana Canyon (along highway to Riverside County, ne Orange County) Comment
  SDSU6335  Matricaria discoidea R. M. Beauchamp 1968-2-17 775 Orange 7 miles east of intersection of Interstate #5 on El Toro Road. Comment
  JEPS37133  Matricaria occidentalis L. M. Booth 1932-5-12 1011 Orange Newport Bay 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
  UCSB42066  Matthiola incana McEnulty, Mary 1979-6-7 Orange Cliff on south side of Crescent Bay, Newport Beach 7 Comment
  RSA431437  Matthiola incana L. C. Wheeler 1934-1-14 2364 Orange Aliso Creek near Laguna. 76 Comment
  RSA771517  Meconella oregana var. denticulata Keith E. Hoffmaster 1934-4-22 181 Orange Santa Ana Mountains Comment
  RSA697983  Medicago hispida Marjorie Smith s.n. Orange Santa Ana High school grounds. Comment
  IRVC25033  Medicago lupulina Fred M. Roberts 1986-8-26 3085 Orange University of California campus, Alderich Park just north of Engineering Building; Irvine 26 Comment
  RSA39348  Medicago lupulina E. L. Paddock 1943-6-22 12736 Orange East side Glassell Street north of Fairhaven. Comment
  RSA746482  Medicago rigidula R. E. Riefner Jr. 2008-5-19 08 -99 Orange City of San Juan Capistrano, 0.2 mi E of Antonio Pkwy on Hwy 74 (Ortega Hwy) 88 Comment
  SD243385  Melaleuca viminalis R. E. Riefner Jr. 2006-11-12 06 669 Orange City of Newport Beach, urban creek draining into San Diego Creek at confluence with Newport Bay near SR-73 overpass (San Joaquin Gun Club, Tustin 7.5'Q) 6 Comment
Read comments
Oct 4 2017
  LA10610  Melica imperfecta A. M. Johnson; 1934-4-15 4416 Orange Carmen's, Laguna Beach Comment
Read comments
Aug 29 2015
  RSA403489  Melica imperfecta Thekla Mohr 1917-04 3219 Orange Laguna Comment
  RSA663156  Melica imperfecta R. E. Riefner 2000-6-1 20 -460 Orange NCCP North Ranch Policy Plan Area. N of Irvine Lake and W of Black Star Cyn; W. of dirt access rd. 473 Comment
  UCR207526  Melica imperfecta O. F. Clarke 2006-5-6 s.n. Orange Peninsular Range; Santa Ana Mtns., Coal Canyon 305 Comment
  UCR217458  Melica imperfecta Mark A. Elvin 2003-3-30 2397 Orange South Coast, north side of UC Irvine Preserve, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  POM7085  Melica imperfecta var. flexuosa P. A. Munz, L. T. Street, G. Williams 1919-5-3 2659 Orange Santa Ana River Canyon. Comment
  CDA4182  Melilotus albus D. G. Kelch 2006-12-9 6 .568 Orange Irvine. University Dr along tidal creek just E of I-73. Comment
  IRVC23313  Melilotus albus Fred M. Roberts 1985-7-23 2065 Orange Irvine; San Diego Creek between E Yale Loop and Jeffrey Rd. Southern Coastal 35 Comment
  IRVC2404  Melilotus albus D. Ibbetson 1965-4-20 s.n. Orange Newport Beach Southern Coastal Comment
  RSA798096  Melilotus albus Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49585 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCD108025  Melilotus albus B. Pitzer 1996-4-30 2766 Orange Upper Newport Bay: Calif. Dept. Fish and Game Ecological Reserve, off (W of) Jamboree Rd. 6 Comment
  IRVC2413  Melilotus indicus Kathy Durica 1965-4-25 s.n. Orange Silverado Canyon Santa Ana Mountains Comment
  IRVC2426  Melilotus indicus Janet Bryant 1965-3-14 Orange Costa Mesa; Redlands Dr. and Santa Isabel. Southern Coastal Comment
  RSA678511  Melilotus indicus Valerie L. Soza, Kevin B. Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary D. Wallace 2001-4-4 1128 Orange Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 3 Comment
  RSA698034  Melilotus indicus Unspecified s.n. Orange Roadside-Near Orange Co. Park. Comment
  RSA750902  Melilotus indicus A. C. Sanders, Fred M. Roberts 2008-7-3 35711 Orange Weir Canyon, along Weir Canyon Rd. 1.2 mi. SSE of Walnut Canyon Reservoir, below Upper Blind Canyon Rd. 212 Comment
  UCR154336  Melilotus indicus Mark A. Elvin 2004-5-2 3410 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  UCR192468  Melilotus indicus A. C. Sanders, Fred M. Roberts 2008-3-25 34536 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR193759  Melilotus indicus A. C. Sanders, Fred M. Roberts 2008-7-3 35711 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
  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
  IRVC2428  Melilotus indicus Pat McClellan 1965-5-1 Orange Coast Highway. Southern Coastal 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
  RSA708735  Mentha aquatica Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6120 Orange Caspers Wilderness Park, Hot Springs Creek in San Juan Cyn., c.a. 0.36km SSW San Juan Ranger Station, at SR 74 crossing. 197 Comment
  RSA594800  Mentzelia micrantha Fred M. Roberts, Sandy Leatherman, B. Leatherman 1994-4-24 4921 Orange Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1 kilometers NNW San Juan Survey Mark. 268 Comment
  POM201709  Mesembryanthemum crystallinum L. M. Booth 1932-6-29 1224 Orange Newport Bay. Comment
  UCR21112  Mesembryanthemum crystallinum S. Beckstrom-Sternberg 1980-5-25 52580 01 -6 Orange Jamboree Rd entrance to Hwy 73 South. Comment
  UCR3313  Mesembryanthemum crystallinum Cary Brown 1964-3-28 28364- 01 Orange South Coast, Hwy 101 alternate, 1 mile north of San Clemente 6 Comment
  SEINET6184305 Image available Metasequoia glyptostroboides J. E. Canright 1973-6-28 s.n. Orange Behind Research Laboratory 3, Chevron Oil Company, La Habra 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
  UCR98773  Microseris douglasii subsp. platycarpha D. E. Bramlet 1995-4-29 2404 Orange Fairview Park, Costa Mesa. 366m north of intersection of Wilson and Canyon drive and 152 m west of the Canyon School 43 Comment
  RSA651496  Microseris douglasii subsp. platycarpha D. E. Bramlet 2000-4-21 2990 Orange Exposed terraces west of Blind Cyn. and North of Irvine Park. The site is 1.5 km west of Blind Canyon and 76m north of Irvine Park. This locality is 122m southwest of the MWD access road. 226 Comment
  RSA789582  Microseris heterocarpa R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49654 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  UCR238203  Microseris heterocarpa Mark A. Elvin 2003-3-30 2395 Orange South Coast, north side of UC Irvine Preserve, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  RSA749306  Microseris lindleyi Fred M. Roberts 1999-4-21 5179 Orange Lomas de Santiago: Loma Ridge, ridges north of Dripping Springs Cyn., 1.5 km W Silverado Sch. and 4.8 km NNW Bolero Lookout. 365 Comment
  RSA599647  Microseris lindleyi Fred M. Roberts 1995-4-21 4928 Orange Irvine: San Joaquin Hills, Quail Hill area near end of San Canyon Road, 2.9 km ENE French Hill. 49 Comment
  UC1294008  Mimulus E. K. Balls 1958-6-27 23729 Orange road from Silverado Canyon to Santiago Peak (3.8 mi from gate) 975 Comment
  UC171021  Mimulus H. M. Hall 1913-5-28 9404 Orange Santiago Canyon Comment
  RSA709325  Mimulus aurantiacus Robin Marushia 2004-4-16 1 Orange Southern Coast: El Moro Canyon, Crystal Cove State Park, Laguna Beach; grassy ridge southwest of No Name Ridge road in park, downhill from pullout and below closed road to park entrance. 61 Comment
  RSA732280  Mimulus aurantiacus A. C. Sanders 2008-4-29 35134 Orange Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir. 335 Comment
  UCSC000861  Mimulus aurantiacus Peter Kamb 1946-9-22 441 Orange San Mateo Point 5 Comment
  HSC20689  Mimulus aurantiacus subsp. australis S. M. Clapp 1966-4-10 52 Orange a few mi. S of Modjeska Canyon 122 Comment
  RSA131398  Mimulus aurantiacus var. pubescens E. K. Balls 1958-6-27 23279 Orange Road to Santiago Peak from Silverado Canyon, 3.8 mi. from gate. 976 Comment
  RSA542494  Mimulus aurantiacus var. pubescens Fred M. Roberts, Carol A. Roberts 1988-5-12 3965 Orange Anaheim Hills: Upper Deer Canyon, 7.7 km W Sierra Peak. 268 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
  RSA588893  Mimulus aurantiacus var. puniceus Fred M. Roberts, Carol A. Roberts 1990-5-31 4661 Orange Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School. 24 Comment
  UCR102625  Mimulus aurantiacus var. puniceus B. G. Pitzer, M. Georgiady 1997-4-5 3100 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
  RSA648197  Mimulus brevipes Karl Price 1988-5-21 54 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
  RSA790706  Mimulus brevipes L. C. Hull 1934-4-8 15 Orange Laguna Hills. Comment
  UCR174028  Mimulus floribundus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33013 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
  JEPS10479  Mimulus guttatus Lawrence M. Booth 1932-6-7 1167 Orange Newport Bay Comment
  UCR109743  Mimulus guttatus T. W. Fisher, R. E. Orth 1964-7-1 s.n. Orange Peninsular Range; Santa Ana Mtns., San Juan Creek off the Ortega Hwy 500 Comment
  UCSB47989  Mimulus guttatus Roberts, Fred 1980-7-7 Orange Santa Ana Mtns; San Juan Cyn; Hwy 74; 2.3km ENE San Juan Guard Station; 0.4km W Bench Mark 1100 315 Comment
  SEINET10570241  Mimulus longiflorus Charlene A. Bennett 1976-7-21 Bennett 439 Orange Cultivated plants collected in and around the condominium pacific island estates In laguna hills; some native shrubs. 152 Comment
  UCR193818  Mirabilis laevis A. C. Sanders, Fred M. Roberts 2008-7-16 35870 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 370 Comment
  CAS-BOT-BC434671  Mirabilis laevis var. crassifolia Munz; Street; Williams 1919-5-3 2672 Orange Santa Ana River Canon [Canyon] Comment
  RSA0126621  Mirabilis laevis var. crassifolia Fred M. Roberts 2012-4-24 7501 Orange San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak. 179 Comment
  CAS-BOT-BC434668  Mirabilis laevis var. crassifolia John Thomas Howell 1927-6-21 2562 Orange North side of Santa Ana Canon [Canyon] 152 Comment
  RSA0010774  Mollugo verticillata L. R. Abrams 1901-06 1769 Orange Laguna Comment
  SFV20018  Monanthochloe littoralis A. Dittmer, S. Dark 2004-10-3 77 Orange Bolsa Chica wetlands. Across the public access bridge (east) of the public parking area off Highway 1. Comment
  RSA0005460  Monardella hypoleuca Percy C. Everett 1935-7-11 7266 Orange Santa Ana Mountains: Main Divide Motorway, 4 miles N from Ortega Hwy in San Juan Canyon. 1098 Comment
  CAS-BOT-BC221717  Monardella hypoleuca subsp. intermedia A. C. Sanders; Fred M. Roberts 2008-7-3 35683 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation corridor 415 Comment
  CAS-BOT-BC221718  Monardella hypoleuca subsp. intermedia Carl B. Wolf 1936-6-22 8003 Orange Santa Ana Mts., 3 mi. above F. S. Gate in Santiago Canyon, along truck trail to Modjeska Pk. 762 Comment
  CHSC67673  Monardella hypoleuca subsp. intermedia 1988-6-22 Orange In hort, John Sorenson garden. Plant from Santa Ana. Comment
  JEPS127360 Image available Monardella hypoleuca subsp. intermedia A. C. Sanders, Mark A. Elvin 2005-9-2 31615 Orange Santa Ana Mountains: Upper Holy Jim Canyon, a major tributary of Trabuco Canyon, along the trail in the switchbacks. Santiago Peak 7.5' Qua. Comment
  SBBG128642  Monardella hypoleuca subsp. intermedia A. C. Sanders, M. A. Elvin 2005-9-2 31613 Orange near head of Holy Jim Cyn, a major tributary of Trabuco Cyn, along the trail in the switchbacks, below the towers on Santiago Peak; Santa Ana Mtns 998 Comment
  UCR158811  Monardella hypoleuca subsp. intermedia A. C. Sanders, Mark A. Elvin 2005-9-2 31609 Orange Santa Ana Mtns., upper Holy Jim Canyon, a major tributary of Trabuco Canyon, along the trail in the switchbacks 970 Comment
Read comments
Aug 17 2012
  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
  POM4047  Monardella lanceolata var. lanceolata L. R. Abrams 1901-7-13 1788 Orange San Joaquin Hills. Comment
  RSA539388  Monardella lanceolata var. lanceolata Fred M. Roberts, Carol A. Roberts 1988-6-10 4092 Orange Santa Ana Mountains: Main Divide Truck trail, Modjeska Peak, west slope, 1.1 km SW summit. 1524 Comment
  RSA539414  Monardella macrantha subsp. hallii Fred M. Roberts, Carol A. Roberts 1988-6-9 4090 Orange Santa Ana Mountains: Main Divide Truck Trail, Modjeska Pk. west slope, 1.1 km SW summit. 1542 Comment
  RSA592097  Monardella macrantha subsp. hallii R. E. Riefner Jr. 1993-6-28 93 -143 Orange W slope Modjeska Peak along main jeep trail. 1300 Comment
  UCR149449  Moraea iridioides Robert DeRuff 1997-1 503 Orange South Coast, Newport Back Bay, Santa Ana Heights 26 Comment
  POM147619  Muhlenbergia asperifolia F. M. Reed 1927-9-19 5470 Orange Santa Ana Canon Highway at Peralta Heights 91 Comment
  RSA450862  Muhlenbergia asperifolia Gordon Marsh, Karlin G. Marsh 1977-11-21 s.n. Orange Santa Ana Mountains: San Juan Hot Springs. Comment
  RSA663203  Muhlenbergia asperifolia R. E. Riefner 2000-3-26 20 -150 Orange NCCP North Ranch Policy Plan Area. Fremont Canyon: N. of major stream fork along W. channel drainage 335 Comment
  UCR2780  Muhlenbergia asperifolia F. M. Reed 1927-9-19 5470 Orange Near Peralta Heights 91 Comment
  UCSB52473  Muhlenbergia microsperma Roberts, Fred 1983-1-7 Orange Park Canyon along west flank of Temple Hill; 1,7km SE Bench Mark 104; 1.7km NE Thurston High School; Laguna Beach 230 Comment
  RSA0028023  Muhlenbergia rigens Fred M. Roberts 2012-9-6 7696 Orange San Joaquin Hills: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 kilometers WNW Pelican Hill summit. 37 Comment
  RSA751314  Muhlenbergia rigens A. C. Sanders, Fred M. Roberts 2008-5-6 35273 Orange Lomas de Santiago, upper Limestone Canyon, 2.9 mi. NNW of El Toro 366 Comment
  UCR192222  Muhlenbergia rigens A. C. Sanders, Fred M. Roberts 2008-5-6 35273 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Limestone Canyon, 2.9 mi. NNW of El Toro 379 Comment
  UCR247871  Muhlenbergia rigens Fred M. Roberts 2012-9-6 7696 Orange SAN JOAQUIN HILLS: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 km WNW Pelican Hill summit. 37 Comment
  RSA587118  Muilla maritima R. E. Riefner 1995-4-28 95 -110 Orange San Clemente State Beach. Comment
  UCR48000  Myoporum laetum Jack Easton 1987-4-21 s.n. Orange Southern Coast, Kain property, San Clemente, mouth of Trafalgar Canyon, just behind the beach 30 Comment
  CAS-BOT-BC456169  Najas guadalupensis Street; Williams 1919-5-4 2688 Orange Laguna Beach Region. Laguna Lakes Comment
  RSA0043357  Nama stenocarpa Fred M. Roberts, Laura Cohen 2012-10-31 7714 Orange San Joaquin Hills. Upper Laguna Lake, north end. Laguna Coast Wilderness Park, c. 5.1 km east northeast of Signal Hill. 113 Comment
  UC537167  Nama stenocarpa Lawrence M. Booth 1932-7-1 1235 Orange Anaheim Marsh Comment
  UCR266347  Nama stenocarpa D. E. Bramlet 2002-4-14 3269 Orange Laguna Lakes 113 Comment
  RSA3181  Nassella lepida C. B. Wolf 1932-3-8 2682 Orange 1/2 mile N of Corona del Mar, Newport Bay. 8 Comment
  RSA548875  Nassella lepida Fred M. Roberts 1988-4-10 3900 Orange Lomas De Santiago: Loma Ridge, Upper Limestone Canyon, c.a. 3.2 kilometer NNW Bolero Lookout. 347 Comment
  RSA697693  Nassella lepida Anonymous s.n. Orange Orange County park Comment
  RSA535968  Nassella pulchra Fred M. Roberts 1989-4-17 4267 Orange Santa Ana Mtns: Central Blind Canyon, 7.3km SW Sierra Peak, 2.4km N Irvine Lake,, UTM 37 40 700 m N, 4 32 900m E. 259 Comment
  RSA588802  Nassella pulchra Fred M. Roberts 1990-5-7 4596 Orange Rancho Mission Viejo: Ridge south of Blind Canyon, TRW Lease Holding, 4.9 km NE Clemente Survey Marker. 152 Comment
  RSA682762  Nassella pulchra Scott D. White, Amanda Duchardt 2003-3-27 8864 Orange Canyon bottom and west facing slopes above Canada Gobernadora. 91 Comment
  UCD87664  Nassella pulchra F. M. Reed 1927-3-19 5474 Orange Laguna Beach. At Arch Beach. 15 Comment
Read comments
Nov 4 2017
  SEINET11682314  Nassella pulchra J. Bright, Wyman, C. 1933-1 8213 Orange LaGuna Beach Comment
  POM356  Nasturtium officinale Crocker 1916-4-9 s.n. Orange Santa Ana River region, Aquatec River bottom Comment
  RSA697464  Nasturtium officinale Snow 1929-3-18 38 Orange Santa Ana River. Comment
  RSA703643  Nasturtium officinale R. E. Riefner Jr. 2003-11-30 3 -482 Orange Peters Canyon Channel at Alton St., E of Jamboree Rd. near Irvine City Hall. 22 Comment
  UCSB57134  Nasturtium officinale Marsh, G. 1975-7-28 Orange Huntington Beach; East Garden Grove-Wintersburg Flood Control Channel (no.C05); stream bank just N of Warner St. bridge crossing Comment
  UCR24248  Navarretia hamata subsp. leptantha Alfred R. Roos 1941-6-14 s.n. Orange Corona del Mar 91 Comment
  CAS-BOT-BC109090  Nemacaulis denudata var. denudata Le Roy Abrams 1901-6-1 1757 Orange Anaheim Landing. Comment
  CAS-BOT-BC140681  Nemacaulis denudata var. denudata O. F. Clarke 2003-5-7 s.n. Orange South Coast: Least Tern Reserve, just north of the mouth of the Santa Ana River, Huntington Beach 4 Comment
  UCR191357  Nemacladus ramosissimus A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34643 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
  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
  RSA12926  Nemophila menziesii var. integrifolia Carl B. Wolf 1935-4-7 6316 Orange San Juan Canyon, Ortega Hwy, 2 miles east Orange County. 762 Comment
  UCR98133  Nemophila pedunculata George K. Helmkamp, E. A. Helmkamp 1997-4-24 1661 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
  UC2042000  Nephrolepis cordifolia R. E. Riefner Jr. 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. Comment
  RSA733727  Nicotiana bigelovii Betty Niedergall 1932-5-3 s.n. Orange Hills of Orange County Park Comment
  CAS-BOT-BC231675  Nicotiana glauca C. L. Hitchcock 1966-3-15 24144 Orange Stearns Lease, 1 1/2 miles e. of Brea Comment
  RSA718957  Nicotiana glauca Fred M. Roberts, Robert L. Allen 2006-10-8 6423 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
  RSA731971  Nicotiana glauca A. C. Sanders, Fred M. Roberts 2008-4-8 34738 Orange Peninsular Range: Lomas de Santiago, Loma Ridge, head of Hicks Canyon. S of Santiago Reservoir. 351 Comment
  RSA733872  Nicotiana glauca Goldie Peale 1932-4-24 s.n. Orange Laguna Hwy. Comment
  RSA0054917  Nicotiana glauca Adell Wilson 1932-4-19 s.n. Orange Laguna Canyon. Comment
  RSA0054918  Nicotiana glauca Thelma Shipe 1932-5-8 s.n. Orange Santa Ana Canyon. Comment
  RSA651999  Nicotiana glauca Norman Willis 1948-2-8 s.n. Orange 2 miles E of Orange. 61 Comment
  RSA126  Nolina cismontana J. T. Howell 1927-7-24 467 Orange Claymine Canyon, near Sierra Peak 167 Comment
  RSA263685  Nolina cismontana E. W. Lathrop 1976-6-28 7506 Orange 4 miles northeast of Lake Irvine, Black Star canyon, Cleveland Nat l Forest, Trabuco dist. Comment
Read comments
Jan 2 2008
  RSA642702  Nolina cismontana R. E. Riefner 2000-3-19 20 -137 Orange NCCP North Ranch Policy Plan Area. Along dirt road running N and parallel to Black Star Cy. Road. 396 Comment
  RSA648660  Nolina cismontana R. E. Riefner 2000-7-8 20 -628 Orange NCCP North Ranch Policy Plan Area. On ridgeline overlooking upper W fork of Fremont Canyon; located E of Main Divide Road and SE from Windy Ridge cypress forest. 438 Comment
  SD142046  Nolina cismontana James C. Dice 1985-5-23 594 Orange Santa Ana Mts., upper Borrego Cyn., along Santiago Cyn. Rd., 1.8 km S of Modjeska Cyn. Rd. 440 Comment
  UCR152711  Nolina cismontana James C. Dice 1985-5-23 593 Orange Santa Ana Mtns, Upper Borrego Canyon along Santiago Canyon Rd., 1.8 km south of Modjeska Canyon Rd 440 Comment
  SD247531  Nolina parryi R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49684 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 456 Comment
  SEINET4173438 Image available Nolina parryi E. W. Lathrop 1976-1 7506 Orange 4 miles northeastof Lake Irvine, Black Star Canyon, Cleveland Nat'l Forest, Trabuco District Comment
  CDA25248  Nothoscordum gracile A. C. Sanders 2008-7-3 35714 Orange Peninsular Range; Santa Ana Mountains; Lomas de Santiago, Santiago Canyon near mouth of Limestone Canyon at Agustine Staging Area. Comment
  UCD169159  Nothoscordum gracile A. C Sanders 2008-7-3 35714 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon near mouth of Limestone Cyn., at Augustine Staging Area. 260 Comment
  UCR193761  Nothoscordum gracile A. C. Sanders 2008-7-3 35714 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon near mouth of Limestone Cyn., at Agustine Staging Area 260 Comment
  RSA531  Oenanthe sarmentosa J. T. Howell 1927-7-14 398 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  UCR174215  Oenothera elata A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33010 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
  UCR239883  Oenothera laciniata O. F. Clarke 2004-4-5 s.n. Orange South Coast, Least Tern Reserve, just north of the mouth of the Santa Ana River, Huntington Beach 4 Comment
  RSA698248  Oenothera pallida Kenneth Beard s.n. Orange Santa Ana riverbank Comment
  RSA759538  Olea europaea Robt. Allen 2006-12-13 s.n. Orange About 2 miles up from Live Oak Canyon Rd, SW of Trabuco Truck Trail, at base of north-facing hillside 395 Comment
  UC729952  Oligomeris linifolia Carl B. Wolf 1932-6-28 3792 Orange Bryant Ranch Comment
  RSA680344  Oncosiphon piluliferum Scott D. White, Jeff Lincer 2003-7-7 9616 Orange Former El Toro Marine Corps Air Stn. East of El Toro Marine Sch. and Irvine Blvd.; site of former dump. 140 Comment
  POM317772  Opuntia X occidentalis David Walkington 1963-5-17 171 Orange Above intersection of Dana Cove Park rd. and Green Lantern Dr., continuous slope with Dana Cove Park Rd. Dana Point. 61 Comment
  RSA727266  Opuntia dejecta R. E. Riefner 2006-7-23 06 -312 Orange South Coast: Newport Beach (city), north shore of Upper Newport Bay, west c. 0.25 mi. from intersection of Bayview Way and Bayview Place 11 Comment
  JEPS66886  Opuntia littoralis L. M. Booth 1933-10-24 Orange Newport Comment
  RSA704425  Opuntia littoralis Fred M. Roberts, David E. Bramlet 2004-7-30 6081 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Western slopes of Cristianitos Cyn., 0.25km W Sycamore Gate and Cristianitos Road. 151 Comment
  UCR263408  Opuntia littoralis A. C. Sanders 2008-4-29 35122 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 Comment
  POM317066  Opuntia oricola David Walkington 1962-11-18 62 Orange West side of N Euclid Ave. north of Sunny Hills West Home, Fullerton. 76 Comment
  RSA6668  Opuntia oricola B. D. Stark 1933-1-17 4518 Orange 5 miles north of Laguna Beach on road to Irvine. 152 Comment
  SD240953  Opuntia oricola T. B. Salvato 2010-10-27 5128 Orange South Coast: Dana Point Headlands, Harbor Point Park, south of Scenic Drive and Cove Road, beyond the end of Green Lantern Street, overlooking Dana Point Harbor (Dana Point 7.5'Q) 60 Comment
  IRVC14194  Opuntia prolifera J. W. Johnson 1976-8-11 Orange Irvine; UCI, 300ft. south of Medical Center; on heavy clay soil in grazing climax of mediterranean grasses. Destroyed by construction. Southern Coastal Comment
  SEINET3208448 Image available Opuntia prolifera Marc A. Baker, Bruce D. Parfitt 1987-4-12 7519 Orange Newport Beach, just W of bridge to Balboa Penninsula. Comment
  RSA0104810  Orobanche fasciculata R. S. Woglum 1941-6-20 s.n. Orange Peninsular Ranges: Harmony Ranch?, Santa Ana Canyon; Santa Ana Mountains [Orange/Riverside counties]. Comment
  RSA759532  Orobanche vallicola Robt. Allen 2006-12-13 s.n. Orange Holy Jim Canyon Trail. About 1 mile up trail from forest gate. Within 1-2 m W of the trail edge 640 Comment
  RSA650905  Orthocarpus purpurascens Diane T. Liggett 1981-5-16 11 Orange Riverside Freeway (91) east to Imperial Hwy, south to Nohl Ranch Road, east to Serrano Ave., south on Hidden Cyn. Road, 1.2 km into Weir Cyn. Comment
  RSA15943  Orthocarpus purpurascens var. pallidus Percy C. Everett 1935-4-27 6692 Orange Bryant Ranch. NW corner Hansen Rd. and Bryant Ave. 30 Comment
  CAS-BOT-BC355776  Osmadenia tenella Agnes M. Bowman 1899-6-1 s.n. Orange Santiago Cr. Comment
  CAS-BOT-BC355772  Osmadenia tenella F. W. Peirson 1926-4-25 6643 Orange Upper part of Laguna Canyon Comment
  IRVC15628  Osmorhiza brachypoda J. W. Johnson 1977-5-28 Orange Santiago Canyon, Fleming Property at E end of Modjeska; shaded bank of canyon side below chaparral. Santa Ana Mountains Comment
  CDA25867  Osteospermum ecklonis Mark A. Elvin, D. G. Kelch, B. S. Herhus, Patricia Iluore 2006-12-9 5326 Orange Southern Coastal; Newport Backbay; along Bayside Drive ca. 100 miles west of Eastbluff Drive. Comment
  SEINET10875322  Osteospermum ecklonis David B. Dunn Dunn 22404 Orange Collected around the condominium-Pacific Island Estates in Laguna Niguel area. 30 Comment
  UCSB3548  Oxalis californica Kamb, Peter 1948-6-19 Orange Holy Jim Canyon, Santa Ana Mtns. 609 Comment
  RSA0023268  Oxalis californica Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49785 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  UCR237933  Oxalis pes-caprae Mark A. Elvin 2003-2-2 2259 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  RSA761791  Oxytheca trilobata Robt. Allen 2003-6-22 12279 Orange Along North Main Divide Road, 6.3 road miles north of Falcon Group Campground, circa 2.43 air miles northwest of Los pinos Saddle. 1334 Comment
  RSA302  Paeonia californica J. T. Howell 1928-2-6 809 Orange Claymine Canyon, Sierra Peak, Santa Ana Mts. 244 Comment
  RSA162751  Paeonia californica J. D. Olmsted 1958-3-4 19 Orange Small pond with westward drainage into Irvine lake, 250yards. West of Oak Flat fire road intersection, which is 9 miles southeast of Corona in Santa Ana Mts. 793 Comment
  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
  RSA797014  Pallenis maritima R. E. Riefner Jr. 2012-5-25 12 -393 Orange City of Dana Point, rocky shore between Mussel Cove and Salt Creek Beach. 2 Comment
  POM412  Papaver californicum Crocker 1916-3-28 s.n. Orange Santa Ana Mts. Comment
  RSA759264  Papaver californicum Robt. Allen, D. Taylor 2008-5-9 s.n. Orange Silverado Canyon, 1.6 road miles EENE above Maple Springs Forest Gate, between Lost Woman Canyon and Spruce Canyon. 766 Comment
  UC1971218  Parapholis incurva Louis C. Wheeler 1947-5-3 6475 Orange Newport Bay. Comment
  POM8722  Parietaria hespera var. hespera Philip A. Munz, R. D. Harwood 1920-4-17 3801 Orange Laguna Canyon. 61 Comment
  POM2138  Parietaria hespera var. hespera D. L. Crawford 1916-5-15 991 Orange Languna Canyon. Shade Comment
  UCR222662  Parietaria judaica R. E. Riefner Jr. 2006-5-21 06- 199 Orange South Coast, city of Huntington Beach, Beach Blvd. at MacDonald Ave. 8 Comment
  CAS-BOT-BC478187  Parthenium hysterophorus Jan West 2015-4-22 s.n. Orange Santa Ana, SE corner of E 17th Street, and Lincoln Ave., 0.5 km east of I-5 on 17th, between RR tracks and Lincoln and adjacent dry waste strip in front of auto body and paint shop, east of tracks 49 Comment
  CAS-BOT-BC259631  Paspalum dilatatum Ira L. Wiggins 1965-10-2 20270 Orange At Hillcrest Park, Fullerton Comment
  IRVC29791  Paspalum dilatatum Mark A. Elvin, Dean Kelch 2006-12-9 5317 Orange Irvine; San Diego Creek, edge of San Joaquin Marsh, beside University Dr., between Campus Dr. and Hwy 73. Southern Coastal 3 Comment
  UCR192987  Paspalum distichum A. C. Sanders, Fred M. Roberts 2008-6-17 35499 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-BC414244  Paspalum vaginatum R. E. Riefner, Jr. 2014-1-14 14 -23 Orange City of Dana Point, Salt Creek Beach, Salt Creek Lagoon and eroding channel bank; W of Pacific Coast Highway and W of Monarch Beach Golf Course 1 Comment
  RSA0050323  Paspalum vaginatum R. E. Riefner Jr. 2012-10-21 12 -523 Orange City of Newport Beach, south of Poppy Street/Ocean Blvd, creek at base of stairs, Little Corona Beach. 7 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
  SBBG133631  Paspalum vaginatum R. E. Riefner Jr. 2008-7-29 08 -256 Orange Salt Crk Beach, near Ritz Carlton Hotel; Dana Point 0 Comment
  RSA680561  Pectocarya linearis Scott D. White 2003-3-21 8815 Orange Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 122 Comment
  RSA732068  Pectocarya linearis A. C. Sanders, Fred M. Roberts 2008-3-25 34525 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA0045505  Pectocarya linearis Keith E. Hoffmaster 1935-3-17 841 Orange Near El Toro[Lake Forest] (Trabuco rd.). Comment
  UCR217452  Pectocarya linearis subsp. ferocula Mark A. Elvin 2003-1-26 2230 Orange South Coast, Irvine, UC Irvine Open Space Preserve, NE side, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  UCSB56507  Pectocarya linearis subsp. ferocula Marsh, G. 1978-3-17 Orange U.C. Irvine Ecological Preserve: in swale, near hilltop of Hill #3 85 Comment
  POM50877  Pectocarya penicillata Helen D. Geis 1902-3-27 s.n. Orange Santiago Canyon. Comment
  RSA663276  Pedicularis densiflora R. E. Riefner 2000-3-18 20 -134 Orange Cleveland National Forest. Ridge-top E of Fremont Canyon and W of Hidden Valley. eastern part of Section 24. 732 Comment
  RSA790703  Pedicularis densiflora L. C. Hull 1934-3-11 s.n. Orange Ortega Highway. Comment
  CDA32097  Pelargonium Mark A. Elvin 2005-5-14 4313 Orange Southern Coastal; UCI Arboretum Comment
  UCD103490  Pelargonium A. C. Sanders 2003-10-12 27314 Orange Southern Coastal Slope: Irvine, UCI Arboretum, UCI campus near intersection of Jamboree Blvd. and Campus Dr. 15 Comment
  UCR159812  Pelargonium grossularioides Mark A. Elvin 2005-5-14 4314 Orange Southern Coastal, UCI Arboretum 15 Comment
  IRVC3143  Pellaea andromedifolia var. andromedifolia A. S. Boughey 135 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  RSA640077  Pellaea andromedifolia var. andromedifolia E. Robinson, Crocker 1916-3-29 s.n. Orange Santa Ana Mts. Miller's Canyon, near Murrietta. Comment
  IRVC20364  Pellaea mucronata var. mucronata Fred M. Roberts, D. A. Roberts 1983-3-22 935 Orange San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains 407 Comment
  RSA125875  Pennisetum setaceum P. H. Raven 1957-9-28 11395 Orange Laguna Beach. Comment
  RSA0054896  Penstemon antirrhinoides Keith E. Hoffmaster 1931-3-22 524 Orange Santa Ana Mts. Comment
  SEINET10299452  Penstemon centranthifolius Norman C. Cooper 1944-6-4 1351 Orange San Juan Canyon, Lower campground 457 Comment
  RSA407934  Penstemon heterophyllus N. C. Cooper 1944-6-4 1337 Orange San Juan Canyon. 305 Comment
  RSA220992  Penstemon heterophyllus var. australis E. W. Lathrop 1966-4-18 6186 Orange 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  RSA285611  Penstemon heterophyllus var. australis D. C. Michener 1981-6-18 3972 Orange Firebreak and clearings in chaparral between Los Pinos peak and main divide truck trail (North of El Cariso). 1311 Comment
  RSA16332  Penstemon spectabilis Percy C. Everett 1935-6-18 7203 Orange Santa Ana Mountains, Main Divide Motorway. 1 7/10 mi north of Los Pinos Potrero. 1128 Comment
  RSA16714  Penstemon spectabilis B. D. Stark 1935-7-26 7533 Orange 2 mi. south of summit of Skyline Drive, on road along ridge to Santiago Peak. 1067 Comment
  RSA285583  Penstemon spectabilis D. C. Michener 1981-6-18 3973 Orange Firebreak and clearings in chaparral between Los Pinos peak and main divide truck trail (North of El Cariso). 1311 Comment
  RSA13057  Pentachaeta aurea Percy C. Everett 1935-4-22 6463 Orange 1/4 mile W of Horseshoe Bend, Santa Ana Canyon 122 Comment
  UCSB52875  Pentachaeta aurea Roberts, Fred; Allen, R. 1983-3-27 Orange Dana Point Headlands; north of Dana Strand Rd., 0.5 km. W Dana Point Harbor; 0.7 km. SSW Richard Henry Dana School 79 Comment
  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
  IRVC19371  Pentagramma triangularis subsp. triangularis R. L. Allen 1975-12-29 Orange Dana Hills High School Canyon; east-facing slope under coastal sageplant. Dana Point Comment
  UCD116247  Peritoma arborea E. Frost 1996-5-11 11 Orange Newport Back Bay, 50 yards in along bike path. 7 Comment
  RSA0045162  Phacelia brachyloba Steve Smith 2005-04 24 Orange Caspers Wilderness Park, along bluffs of recovering burn area. 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
  RSA562740  Phacelia cicutaria var. hispida Steve Boyd, Tim Ross 1992-5-20 7456 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of wilderness in Lucas Canyon along a new section of trail heading up major side canyon northward to Sitton Peak Road (7S09), 305 Comment
  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
  RSA741721  Phacelia cicutaria var. hubbyi R. E. Riefner Jr. 2008-6-3 8 -143 Orange Irvine Ranch Reserve, Fremont Canyon Conservation Easement, N Fremont Canyon, slope NE of Donaldson Ranch area. 444 Comment
  HSC83900  Phacelia davidsonii Christopher Davidson 1977-5-18 5608 Orange Santa Ana Mts. Cleveland Nat. Forest. Santiago Peak (on Orange-Riverside Co. line). 1707 Comment
  JEPS2402  Phacelia distans Alice King June 1908 Orange Santa Ana Comment
  UCR215310  Phacelia distans Fred M. Roberts 2008-3-26 6800 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve near NE gate, 0.5 km west of Marine Institute, Dana Point Harbor 75 Comment
  UCR281548  Phacelia distans Mitch Provance, Jeremiah George 2017-3-20 317- 122 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
  RSA698722  Phacelia distans R. H. McArthur 1924-3-25 s.n. Orange Barranca Bridge - Laguna Road Comment
  RSA734592  Phacelia grandiflora A. C. Sanders, Fred M. Roberts 2008-5-6 35220 Orange Lomas de Santiago, lower Hicks Canyon, just above tollway (Hwy 241) crossing on Irvine Haul Rd., near debris basin. 216 Comment
  RSA759105  Phacelia imbricata Robt. Allen, Genevieve K. Walden, Lisa W. Young 2008-6-26 s.n. Orange Modjeska Peak, W-facing slope within 2 m of the access road up Modjeska Peak. Approximately midway between the peak's south-facing slope and the sharp bend in the extreme N end of the road. 1643 Comment
  RSA697776  Phacelia imbricata subsp. patula Minor Warne 1934-4-28 s.n. Orange Ladd Canyon-Santa Ana Mts. PR8. Comment
  CHSC42254  Phacelia minor Rusti Gammon 1986-3-22 10 Orange Ca. 6 mi nw of San Juan Capistrano, in Bell Canyon, 2 mi n of hwy 74. Ca. 25 ft e of Bell Creek. 128 Comment
  RSA738987  Phacelia minor Aileen Adams 1932-5-9 s.n. Orange On a slope N Trabuca Comment
  RSA794332  Phacelia parryi Justin M. Wood 2010-3-31 1449 Orange [Santa Ana Canyon:] Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  RSA759251  Phacelia parryi Robt. Allen, Lori Whalen 2008-7-5 s.n. Orange Dry foothills along a SW-facing ridge, slong Santiago Truck Trail, 0.5 air miles E of USPF Forest Gate at Modjeska Grade Road. Comment
  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
  CAS-BOT-BC144973  Phacelia ramosissima var. austrolitoralis Carl B. Wolf 1932-6-13 3716 Orange Fullerton, Malvern & Nicholas Aves. 53 Comment
  UCR124020  Phacelia ramosissima var. ramosissima George K. Helmkamp, E. A. Helmkamp 2001-6-20 6811 Orange Peninsular Range; Santa Ana Mtns., Ortega Highway, 1.6 mi north of Lucas Cyn Rd., near Cleveland National Forest 213 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
Read comments
Jul 21 2018
  UC537058  Phacelia tanacetifolia P. A. Munz 1934-3-26 13133 Orange ravine Newport Beach 12 Comment
  RSA650512  Phacelia tanacetifolia Grant Garland 1948-5-16 s.n. Orange Found off highway 101 below Santa Ana 30 Comment
  RSA642504  Phalaris lemmonii D. E. Bramlet 1999-5-16 2764 Orange Fairview Park, City of Costa Mesa. The site is located some 336m N of the intersection of Wilson and Canyon Dr. and 152m W of the Canyon School., 04 12 360mE X 37 24 490mN. 43 Comment
  CDA22545  Phalaris minor J. B. Anderson 1966-4-18 597 Orange Mac Arthur Boulevard near Red Hill Road. 0 Comment
  IRVC1778  Phalaris minor Robin Hobson 1965-4-10 s.n. Orange Newport Beach; [Newport] Back Bay Southern Coastal Comment
  IRVC8437  Phalaris minor J. B. Anderson 1966-4-18 597 Orange Irvine; MacArthur Blvd. near Red Hill Road. Southern Coastal Comment
  RSA0027433  Phalaris minor Fred M. Roberts 2013-7-18 7667 Orange San Joaquin Hills: Newport Beach, Buck Gully, along Buck Gully Trail, about 0.7 km from the north terminus of Poppy Street and 1.8 km WNW summit of Pelican Hill. 52 Comment
  UCR170307  Phalaris minor J. B. Anderson 1966-4-18 597 Orange South Coast, MacArthur Blvd. near Red Hill Road [between Santa Ana and Irvine, NE of John Wayne Airport] 9 Comment
  POM263105  Phalaris minor J. C. Roos 1937-5-10 431 Orange Tustin Comment
  IRVC1783  Phalaris paradoxa J. B. Anderson 1966-4-26 620 Orange UC, Irvine Campus; S of Science Lecture Hall. Southern Coastal Comment
  UCSB68450  Phalaris paradoxa Anderson, J. 1966-4-26 Orange University of California, Irvine; south of Science Lecture Hall Comment
Read comments
Nov 1 2018
  SEINET10746310  Philodendron Thomas B. Croat 2003-4-5 Croat 87594 Orange Cultivated Plants from Rick M. Cirino, Cosa Mesa, California. Comment
  UCR133164  Phlox gracilis Adrian Wolf 2000-4-7 452 Orange Santa Ana Mtns., North Ranch Policy Plan Area, North Fremont Canyon, 3 km NNE of canyon mouth 408 Comment
  UCSB48112  Pholistoma auritum Roberts, Fred 1981-4-12 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 1.3 km. by road E San Juan Guard Station; 0.9 km. SE Juan Rancho Survey Marker 295 Comment
  UCD120623  Pholistoma auritum var. auritum Ronni Stachelek; Bob Anderson, Frances Schropshire 1995-3-1 38 Orange Newport Beach, W side Upper Newport Bay on Back Bay Dr. ca 1/2 mi. N of Shellmaker Island. Comment
  RSA734206  Phoradendron macrophyllum Keith E. Hoffmaster 1934-4-22 188 Orange Santa Ana Mountains Comment
  SEINET10739258  Phoradendron macrophyllum Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-11 Townesmith 675 Orange Cleveland National Forest. Off Long Canyon Road, NW of intersection with Route 74. 752 Comment
  UCR234153  Phoradendron macrophyllum Dick Newell 2011-12-27 222 Orange Peninsular Range; Santa Ana Mtns. Region, Lomas de Santiago, along Limestone Canyon Rd. at junction to Dripping Springs Trail 311 Comment
  POM182012  Phyla lanceolata F. W. Peirson 1924-8-29 5094 Orange Road from Artesia to Hungtington Beach, along ditch Comment
  RSA650  Phyla lanceolata J. T. Howell 1927-7-15 401 Orange Santa Ana River, Rancho Santa Ana [Botanic Garden] 152 Comment
  POM1013  Phyllospadix torreyi Daniel J. Crawford 1916-7-29 s.n. Orange Abalone Point. Comment
  RSA38696  Physalis cinerascens E. L. Paddock 1943-9-23 s.n. Orange Kraemer Ranch, east of Yorba Linda, Comment
Read comments
Apr 23 2011
  UCR266401  Physalis crassifolia D. E. Bramlet 1994-4-30 2374 Orange South Coast; San Joaquin Hills, small knoll SE of the Sand Canyon Reservoir, 524 ft. east of the bottom of Shady Canyon, near Irvine 80 Comment
  CDA23095  Picris echioides Artie Thomas, Mark A. Elvin 2006-9-23 609234 Orange Southern coastal; San Joaquin Marsh freshwater Marsh, UC Natural Reserve; SW edge, along San Diego Creek, north of University Drive, east Highway 73. 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
  RSA610236  Pilularia americana Fred M. Roberts, Tony Bomkamp, Rick Riefner 1997-2-27 4978 Orange Costa Mesa: Fairview Park, 0.1 km W Canyon School. 24 Comment
  RSA655237  Pilularia americana D. E. Bramlet 1998-3-21 2579 Orange Fairview Park, City of Costa Mesa. The site is located some 366m N of the intersection of Wilson and Canyon Dr. and 152 m W of the Canyon School, on a mesa overlooking the Santa Ana River. 24 Comment
Read comments
Feb 26 2009
  OBI6107  Pinus attenuata Carl B. Wolf 1934-12-21 6259 Orange S slope of main ridge, saddle NW of Sugarload Pk (Pleasants pk) 1-3/10 mi S of summit of Skyline Dr, Santa Ana Mts 1158 Comment
  RSA12827  Pinus attenuata C. B. Wolf 1934-12-21 6260 Orange N.E. of Sugarloaf Peak (Pleasants Pk.), along Main St. Trail, Santa Ana Mts. Altitude 3800 ft.c. 1159 Comment
  SEINET4671985 Image available Pinus attenuata T. C. Arambula 1966-1 109 Orange Claremont, Rancho Santa Ana Botanic Garden Comment
  UC1713694  Pinus attenuata Carl B. Wolf 1934-12-21 6259 Orange 1.3 mi s summit of Skyline Drive (saddle nw of Sugarloaf Pk. (Pleasants Pk.), s slope of main ridge); Santa Ana Mountains 1158 Comment
  RSA0027777  Pinus attenuata Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49694 Orange Northern Santa Ana Mountains: Sierra Peak Comment
  RSA7683  Pinus coulteri C. B. Wolf 1933-11-8 5538 Orange From grove to N.W. of Trabuco Peak. 1250 Comment
  UCR144743  Pinus coulteri A. S. Boughey 1965-3-16 58 Orange Santa Ana Mtns., Silverado Canyon Comment
  UCR174182  Pinus coulteri A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33036 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA659356  Pinus halepensis P. Shirokawa 1998-5-15 42 Orange Cleveland National Forest- Trabuco Ranger District, 4.25 miles from Ortega Highway (State Highway 74) on North Main Divide Road, and 0.5 miles into Falcon campground 1067 Comment
  UC1543039  Piperia cooperi Donald G. Nelson 1935-4-6 245 Orange about 4 mi from San Juan Canyon summit (canyon 200-300 ft below main highway, e of San Juan Capistrano) Comment
  RSA798191  Piptatherum miliaceum R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49569 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCSB48208  Piptatherum miliaceum Roberts, Fred 1981-7-8 Orange Rancho Mission Viejo; Calif. Rte. 74, 9.2 km. ENE San Juan Capistrano 100 Comment
  RSA450840  Piptatherum miliaceum J. Anderson 1966-6-24 680 Orange San Joaquin Hills; Bonita Canyon Reservoir in vicinity of Culver Rd. Comment
  CDA2639  Pistia stratiotes M. Nolan 1981-5-19 Orange Central Park Lake, Huntington Beach. 0 Comment
  RSA775557  Pistia stratiotes Arthur Howe 1982-2-27 s.n. Orange Huntington Beach Central Park. Comment
  UCR132567  Pisum sativum Robert DeRuff 1985-3-6 83 Orange Southern Coast, Newport Back Bay, below East Bluff 3 Comment
  SD212526  Plagiobothrys acanthocarpus R. E. Riefner 2006-4-12 06 116 Orange Irvine, north foot of San Joaquin Hills, vicinity of Quail Hill, SSW of 405 Freeway and Shady Canyon Road 46 Comment
  RSA716095  Plagiobothrys collinus Fred M. Roberts, Melissa Ervin 2001-3-21 5386 Orange San Joaquin Hills: Upper San Canyon, c..a. 2km SE French Hill, within the Shady Cyn. Development. 98 Comment
  UCR281560  Plagiobothrys collinus Mitch Provance, Jeremiah George 2017-3-20 317- 115 Orange West Coyote Hills, Fullerton, vicinity of Utility Access Roads E of Gilbert Street and N of Castlewood Dr., on land previously occupied by oil fields. 137 Comment
  RSA368943  Plagiobothrys collinus var. californicus Albert J. Perkins 1914-3-9 s.n. Orange Laguna Beach Comment
  UCR191000  Plagiobothrys nothofulvus A. C. Sanders, Fred M. Roberts 2008-4-22 35045 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, valley at south end of Loma Ridge and at head of Limestone Canyon, c. 2.5 miles SW of Silverado, above spring shown on topo map 457 Comment
  RSA0054889  Plagiobothrys nothofulvus Keith E. Hoffmaster 1932-2-28 67 Orange Santa Ana Mts. Comment
  UCSB48118  Plagiobothrys nothofulvus Roberts, Fred 1982-4-3 Orange Rancho Mission Viejo: Calif. 47; 7.2 km. by road E San Juan Capistrano; 1.3 km NE Viejo Survey Marker 98 Comment
  HSC3777  Plagiobothrys tenellus J. W. Johnson 1961-3-29 Orange N slope on S side of Upper Newport Beach Comment
  RSA799623  Plantago elongata subsp. elongata Justin M. Wood 2011-4-12 3655 Orange South Coast: City of Costa Mesa. Fairview Park, just WNW of Marison Special Education Center. 24 Comment
  RSA749486  Plantago erecta Fred M. Roberts, Linda Farley 2008-3-28 6815 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
  UC1125628  Plantago erecta A. Lewis Mar 1934 368 Orange Black Star Canyon Corona Quad. 457 Comment
  UC484111  Plantago erecta E. R. Johnson 1929-4-11 Orange Sierra Peak Trail Santa Ana Mts. Comment
  UCR106273  Plantago erecta B. G. Pitzer 1997-3-25 3024 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  UCR171018  Plantago erecta R. E. Riefner Jr. 2006-4-12 06- 118 Orange Irvine, north foot of San Joaquin Hills, vicinity of Quail Hill, SSW of 405 Freeway and Shady Canyon Rd. 46 Comment
  RSA749680  Plantago major A. C. Sanders, Fred M. Roberts 2008-7-16 35839 Orange Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin. 391 Comment
  UCR193772  Platanus racemosa A. C. Sanders, Fred M. Roberts 2008-7-3 35700 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Windy Ridge Rd. at wash crossing, 0.95 mi. SE of Walnut Canyon Reservoir 242 Comment
  RSA0056334  Platanus racemosa Jim Shevock 1970-4-25 154 Orange Highway 74. 309 Comment
  RSA722431  Platystemon californicus J. R. Bruff 1927-3-15 2 -S Orange 1 mi. N.E. Country Club. Comment
  SD240896  Plecostachys serpyllifolia R. E. Riefner Jr. 2011-6-25 11 71 Orange Cityof Laguna Beach, Woods Cove, vicinity of Ocean Way at Pearl Street. 9 Comment
  RSA759269  Plectritis ciliosa Robert Allen, Reginald Durant, David Taylor 2008-4-11 s.n. Orange Maple Springs Saddle. Inside region of 180 degree bend in road. On small N-facing slope. 1363 Comment
  RSA528043  Pluchea odorata A. C. Sanders 1990-10-6 10185 Orange Newport Bay, North Star County Beach area on the SW end of the bay, ca. 2 km inland of Hwy 1 1 Comment
  RSA708731  Pluchea odorata Fred M. Roberts, Robert L. Allen, Chris M. Barnhill 2004-8-21 6114 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  UC75889  Pluchea odorata var. odorata E. A. Jumbro 1902-1 381 Orange Comment
  RSA702939  Pluchea purpurascens Scott D. White 2004-7-7 10605 Orange South Coast: Laguna Niguel. 61 Comment
  RSA472126  Pluchea sericea Albert J. Perkins 1920-6-12 s.n. Orange Near Serra. Comment
Read comments
Nov 1 2013
  RSA697757  Poa annua Margaret Smart 1934-4-23 s.n. Orange Santa Ana. Comment
  JEPS111463  Poa secunda subsp. secunda J. B. Anderson 1966-5-3 636 Orange Santa Ana Mountains: Silverado Cny., Modjeska Peak road at 4500 ft. elev., along road cuts 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
  SD239845  Polygala cornuta subsp. fishiae A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39941 Orange Peninsular Range; Santa Ana Mtns. : near Pleasants Peak along the Main Divide Truck Trail. 1143 Comment
  CAS-BOT-BC167819  Polygala cornuta var. fishiae John Thomas Howell 1927-7-3 2640 Orange Claymine [Canon] Canyon, n. Santa Ana Mts. 304 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
  UCR18431  Polygonum amphibium var. emersum O. F. Clarke 1975-6-27 s.n. Orange San Joaquin Marsh near UCI Comment
  UC536925  Polygonum argyrocoleon Lawrence M. Booth 1932-7-25 1317 Orange 2 mi from ocean; Santa Ana River Comment
  CAS-BOT-BC414042  Polygonum aviculare subsp. aviculare Ira L. Wiggins 1965-11-7 20364 Orange Vacant lot on west side of State College Boulevard near Troy High School, Fullerton Comment
  RSA234541  Polygonum aviculare subsp. aviculare James Henrickson 1970-7-25 5084 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
  RSA5604  Polygonum aviculare subsp. aviculare Carl B. Wolf 1932-6-20 3755 Orange Common around the administration Blds, Rancho Santa Ana Botanic Garden. 198 Comment
  RSA5941  Polygonum lapathifolium Carl B. Wolf 1932-7-7 3835 Orange Bryant Ranch, along drainage ditch on Bixby Ave. 9 Comment
  IRVC3042  Polypodium californicum G. Howard 1965-3-31 HS0571 Orange Silverado Canyon. Santa Ana Mountains Comment
  POM188245  Polypodium californicum Marcus E. Jones 1931-3-23 20425 Orange Laguna 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
  UCSB62759  Polypodium californicum Kiefer, Lawrence 1963-11-17 Orange Santa Ana Mtns., Trabuco Canyon, vicinity of the public camps, upper part of canyon 762 Comment
  IRVC19368  Polypodium californicum R. L. Allen 1977-2-13 s.n. Orange [San Juan Canyon], Ortega Hwy, roadside 111; small side canyon, NW of main canyon. Santa Ana Mountains Comment
  IRVC21306  Polypodium californicum Fred M. Roberts 1984-1-29 1160 Orange Laguna Niguel: Niguel Hill, 1.1km ENE of Aliso Peak, 2.0km SW of Alicia Fire Station. Southern Coastal 260 Comment
  IRVC12899  Polypogon monspeliensis B. T. Gittins 1967-6-11 2010 Orange Upper Newport Bay. southern coastal Comment
  IRVC1809  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
  IRVC22900  Polypogon monspeliensis Fred M. Roberts 1985-6-12 1903 Orange Laguna Niguel: Alicia Pkwy, 2.1km by road SW La Paz Rd., 1.0km W Sulphur Creek Reservoir. Southern Coastal 67 Comment
  IRVC8403  Polypogon monspeliensis J. B. Anderson 1966-4-17 593 Orange Newport Beach: along roadside ditch in field NE of Newport Harbor High School. southern coastal Comment
  RSA483352  Polypogon monspeliensis E. Crow 1929-4-7 294 Orange SE of Orange Co. Park; Santa Ana River. Comment
  UCD91233  Polypogon monspeliensis A. A. Beetle 1942-4-19 3098 Orange Rt. 101. 5 miles south of Laguna Beach. Comment
  UCR102003  Polypogon monspeliensis B. G. Pitzer 1997-3-25 3037 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, on bluffs immediately above beach, along trail that winds around restoration area and down to beach. 30 Comment
  UCR174022  Polypogon monspeliensis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33055 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
  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
  RSA697034  Polypogon monspeliensis Rankin s.n. Orange Costa Mesa Comment
  RSA756311  Polypogon viridis A. C. Sanders, Fred M. Roberts 2008-7-3 35703 Orange Weir Canyon, along Weir Canyon Rd. 1.2 mi. SSE of Walnut Canyon Reservoir, below Upper Blind Canyon Rd. 212 Comment
  UCSB48202  Polypogon viridis Roberts, Fred 1981-6-26 Orange Santa Ana Mts., San Juan Canyon, 0.1 km. N Lower San Juan Picnic Ground 390 Comment
Read comments
Jan 25 2021
  RSA752893  Populus balsamifera subsp. trichocarpa A. C. Sanders, Fred M. Roberts 2008-8-7 35974 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 Comment
  UCR51476  Populus balsamifera subsp. trichocarpa S. J. Myers 1987-9-9 s.n. Orange San Juan Capistrano, immediately east of San Juan Creek and 0.25 mi. north of Hwy 1, just north of existing sewage treatment plant 9 Comment
  RSA724058  Populus balsamifera subsp. trichocarpa R. E. Riefner 2007-6-12 7 -253 Orange City of San Juan Capistrano. Vicinity of Calle Arroyo/Paseo Esteban at San Juan Creek 152 Comment
  CAS-BOT-BC102599  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
  RSA722930  Populus trichocarpa R. E. Riefner Jr. 2007-6-12 7 -253 Orange City of San Juan Capistrano. Vicinity of Calle Arroyo/ Paseo Esteban at San Juan Creek. 35 Comment
  SD152924  Porophyllum gracile Steve Boyd, Tim Ross 1992-5-19 7447 Orange Southern Santa Ana Mountains, western edge of the wilderness in Aliso Canyon at the confluence with Lucas Canyon. 274 Comment
  UCR26999  Porophyllum gracile E. W. Lathrop 1966-4-18 6188 Orange Santa Ana Mtns., 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District Comment
  CAS-BOT-BC445243  Portulaca oleracea Ira L. Wiggins 1965-11-3 20313 Orange East side of California State College campus, between State College Blvd and Placentia Avenue, Fullerton. Comment
  RSA1307  Portulaca oleracea J. T. Howell 1928-9-17 s.n. Orange Rancho Santa Ana 152 Comment
  RSA588881  Potamogeton foliosus Fred M. Roberts, D. Bontrager 1990-6-5 4674 Orange Rancho Mission Viejo: Upper Gabino Canyon, 3.7km ESE Point Rancho Survey Market. 245 Comment
  SD255271  Prunus avium Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49828 Orange Santa Ana Mountains: Trabuco Canyon, ca. 8 km east of Trabuco Oaks Comment
  RSA701207  Prunus ilicifolia Keith E. Hoffmaster 1934-4-22 s.n. Orange Santa Ana Mountains Comment
  UCR240259  Pseudognaphalium biolettii D. E. Bramlet 2003-3-20 3349 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
  RSA0126623  Pseudognaphalium californicum Fred M. Roberts 2012-4-24 7506 Orange San Joaquin Hills: Buck Gully, W of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km W Signal Peak. 179 Comment
  UCR106257  Pseudognaphalium californicum B. G. Pitzer 1996-4-30 2800 A Orange San Joaquin Hills, Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy) 15 Comment
  CHSC106735  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2007-2-13 07 -55 Orange City of San Juan Capistrano, vicinity of La Novia Ave. and San Juan Creek. UTM: (NAD 83) 11S0439837E 3707224N. 31 Comment
  SBBG128698  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2011-10-19 11 -147 Orange City of San Juan Capistrano, San Juan Crk, ca. 0.2 mi W of intersection of Paseo Tirador and Calle Arroyo St 31 Comment
  UC68911  Pseudognaphalium microcephalum H. M. Hall 1905-7-1 6730 Orange Santa Ana Canon 121 Comment
  UC520305  Pseudognaphalium ramosissimum Joseph Andorfer Ewan 1932-7-28 7689 Orange Corona del Mar Comment
  RSA716772  Pseudotsuga macrocarpa Fred M. Roberts, Michelle Balk, Robert Allen, Megan Enright 2004-7-18 6256 Orange Santa Ana Mtns.: Upper Trabuco Cyn. along Trabuco Cyn. Trail, 1.3km NE Los Pinos Pk. and c.a. 0.25km by trail from Main Divide Truck Trail. 1245 Comment
  RSA617798  Psilocarphus brevissimus R. E. Riefner 1998-4-3 98 -252 Orange Newport back-bay, west of Jamboree Rd. 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
  UCR282159  Psilotum nudum R. E. Riefner Jr. 2017-1-15 17- 36 Orange South Coast, city of Newport Beach, Polaris Drive, south of Evening Star Drive, Westcliff Park, north side of Newport Bay 3 Comment
  IRVC26429  Ptelea aptera Mark A. Elvin 2004-2-22 3151 Orange UCI Arboretum Southern Coastal 15 Comment
  UC572669 Image available Ptelea crenulata W. G. Watkins 1937-2-1 5 Orange Santiago Canyon Comment
  POM2151  Pterostegia drymarioides P. A. Munz 1918-5-4 2217 Orange Laguna Canyon. Comment
  RSA698489  Pterostegia drymarioides Minor Warne 1934-4-28 s.n. Orange Ladd Canyon-Santa Ana Mts. PR8. Comment
  UCSB43273  Pterostegia drymarioides Fletcher, Martin 1980-3-29 Orange 0.5 miles west of Drakes Beach. Comment
  CAS-BOT-BC362145  Pulicaria paludosa Robert L. Pope 1960-7-9 s.n. Orange Roadside approximately 0.5 mile north of Yorba Linda turnoff, Santa Ana Canyon Comment
  CDA7611  Pulicaria paludosa T. C. Fuller 1963-10-9 11362 Orange Santa Ana Canyon, 0.1 mile south of Riverside Freeway to Anaheim, ca. 2 miles west of the Riverside County line. 0 Comment
  CDA7617  Pulicaria paludosa Robert L. Pope 1959-8-14 Orange Ray Miller property, Santa Ana Canyon, east of Fullerton. 0 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
  RSA627756  Pulicaria paludosa Scott D. White 1998-5-31 6568 Orange University of California Irvine Campus, Southwest of Farm School site (now proposed as Student Rec. Ctr.). 37 Comment
  RSA725460  Pulicaria paludosa Fred M. Roberts 2007-8-6 6557 Orange San Joaquin Hills: Laguna Beach, Laguna Cyn. on east side of Laguna Cyn. Rd. adj. to dog park, 1.2 km S (air) from El Toro Road and 1.8 km WSW Moulton Survey Mk. 52 Comment
  UCR53764  Pulicaria paludosa Bonnie Busenberg, W. Wisura 1987-7-23 4170 Orange Newport Bay at junction of Back Bay Drive and San Joaquin Hills Road Comment
  RSA539419  Pulicaria paludosa Fred M. Roberts, Doug Willick 1988-9-16 4137 Orange Peralata Hills: Oak Canyon Nature Center, Upper Walnut Canyon, 1.0 kilmeter N Robbers Peak. 180 Comment
  RSA573294  Pycnanthemum californicum Steve Boyd, T. S. Ross 1994-9-14 8351 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucus Canyon Trail crossing. 311 Comment
  RSA562815  Pyrus communis Steve D. Boyd, Tim S. Ross 1992-5-20 7468 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
  CAS-BOT-BC61812  Quercus agrifolia C. B. Wolf 1931-3-6 1832 Orange 1.5 miles below Trabuco Oaks along Trabuco Canyon road, west slope Santa Ana Mts. 304 Comment
  RSA2110  Quercus agrifolia Carl B. Wolf 1931-3-6 1832 Orange Trabuco Canyon Road, 1.25 miles below Trabuco Oaks. 305 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
  UCR44899  Quercus agrifolia B. G. Pitzer, L. F. LaPre 1986-10-20 0305 Orange Santa Ana Mtns, Summit of Hicks Canyon on a private road (continuation of Jeffrey Road), c. 2.4 mi. above the gun club 274 Comment
  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
  IRVC24548  Quercus berberidifolia Fred M. Roberts, R. L. Allen 1985-8-19 2133 Orange Mission Viejo: lateral to Engilish Canyon along Vista de Lago Drive; 3.4km ENE El Toro Fire Station. Southern Coastal 218 Comment
  RSA0013859  Quercus berberidifolia Fred M. Roberts 2012-5-10 7561 Orange San Joaquin Hills: Buck Gully, S Fork, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive. 183 Comment
  UCD166560  Quercus berberidifolia Dylan O. Burge 2016-2-23 2089 Orange Santa Ana Mountains, vicinity of Blue Jay Campgroundm along spur off of Long Canyon Road. 1060 Comment
  UCR119315  Quercus berberidifolia R. E. Riefner Jr. 2000-1-18 20- 103 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Main Divide Road, top of Gypsum Canyon at Windy Ridge 518 Comment
  RSA0044655  Quercus berberidifolia Leo Miller 1938-3-26 s.n. Orange Near top of Saddleback Mountain. Comment
  RSA12732  Quercus chrysolepis Carl B. Wolf, E. R. Johnson 1933-11-3 5528 Orange Main Divide Motorway on slopes of Modjeska Peak 1372 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
  UC1135416  Quercus chrysolepis A. Lewis May 1934 416 Orange Trabuco Canyon Cleveland National Forest, Elsinore Quad. 1371 Comment
  SEINET13953238 Image available Quercus chrysolepis C. B. Wolf, E. R. Johnson 1933-1 Orange Santa Ana Mts., Main Divide Motorway, W. Side of Modjeska Peak 1372 Comment
  RSA550590  Quercus dumosa Fred M. Roberts, Marsh 1988-4-26 3952 Orange San Joaquin Hills, Pelican Hill, 0.4 km SW summit. 183 Comment
Read comments
Oct 16 2013
  UCSB52406  Quercus dumosa Roberts, Fred 1982-7-8 Orange Laguna Niguel; Niguel Hill, Pacific Island, 1.7 km. SE Aliso Peak 177 Comment
  IRVC21616  Quercus engelmannii Fred M. Roberts, Kelly P. Steele 1984-4-20 1345 Orange Rancho Mission Viejo: Hwy 74 near mouth of Trampas Canyon; 8.7km by road E San Juan Capistrano Southern Coastal 90 Comment
  IRVC23279  Quercus engelmannii Karlin G. Marsh 1987-4-20 s.n. Orange Casper's Regional Park; Lucas Canyon near park boundary; canyon bottom. Southern Coastal Comment
  IRVC28198  Quercus wislizeni A. C. Sanders, Mark A. Elvin 2005-9-2 Orange Santa Ana Mountains; near head of Holy Jim Cyn, a tributary to Trabuco Cyn, along trail in the switchbacks, below the towers on Santiago Peak. Peninsular Ranges 998 Comment
  UC1135890  Quercus wislizeni A. Lewis Mar 1934 363 Orange Head of Silverado Canyon Cleveland National Forest, Corona Quad. 1112 Comment
  RSA0015962  Ranunculus californicus Fred M. Roberts 2012-4-24 7531 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
  UC1971227  Ranunculus californicus Scott D. White, Noel Davis 1998-4-24 6344 Orange MISSION VIEJO AREA: Aliso Creek watershed, east of El Toro Rd. just N of junction. w/ Valley Vista Wy. Large proposed subdivision called Saddleback Meadow. USGS Santiago Peak 7.5' Quad. Comment
  RSA542413  Ranunculus californicus Fred M. Roberts 1989-3-17 4208 Orange Aliso Wood Canyon Regional Park, Aliso Canyon, 3.3km SSE Moulton Peak. 61 Comment
  IRVC29093  Ranunculus californicus var. californicus Fred M. Roberts 1989-3-17 4208 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  RSA734148  Ranunculus muricatus Pomeroy 1929-3-8 95 Orange Santa Ana. Comment
  RSA743371  Raphanus sativus Fred M. Roberts 2008-4-2 6841 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 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
  RSA716719  Rhamnus crocea Fred M. Roberts 2004-6-16 6055 Orange San Joaquin Hills: Temple Hill, slopes above Hobo Cyn., adj. to 591 Balboa Ave.; 1.0km NNE Golf Island Survey Mark. 175 Comment
  UC1121827  Rhamnus crocea A. Lewis Apr 1934 400 Orange near Arch Beach; Corona Quad. 182 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-BC56028  Rhamnus ilicifolia C. B. Wolf; E. R. Johnson 1933-11-3 5531 Orange Santa Ana Mts., Silverado Canyon, base of Silverado Motorway 731 Comment
  POM243762  Rhamnus ilicifolia Percy C. Everett 1935-6-19 7242 Orange Trabuco Canyon, 2 mi. below forest service patrol station 366 Comment
  RSA512408  Rhamnus ilicifolia Fred M. Roberts 1987-3-31 3296 Orange Lomas De Santiago: Lomas Ridge, Upper Serrano Canyon east fork, 2.8 km SE Bolero Lookout 345 Comment
  UCR234142  Rhamnus ilicifolia Dick Newell, Judy Booth 2012-3-30 242 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Road, Cleveland National Forest 258 Comment
  UCR130347  Rhus glauca A. C. Sanders, Mark A. Elvin 2003-10-12 27327 Orange Southern Coastal Slope, Irvine, UCI Arboretum, UCI campus near intersection of Jamboree Blvd. and Campus Dr. 15 Comment
  CAS-BOT-BC167876  Rhus integrifolia Carl B. Wolf 1932-3-8 2685 Orange 1/2 mi. No. of Corona Del Mar. Borders of Newport Bay 7 Comment
  IRVC68  Rhus integrifolia A. S. Boughey, P. Pembrook 1965-7-16 1011 Orange Los Trancos Canyon, near spring, ; chaparral. San Joaquin Hills Comment
  UCR193788A  Rhus laurina A. C. Sanders, Fred M. Roberts 2008-7-3 35685 Orange Peninsular Range; Santa Ana Mtns., 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
  RSA695989  Rhus ovata Keith E. Hoffmaster 1934-4-8 s.n. Orange Gypsum can (n. Corona), Santa Ana Mts Comment
Read comments
Dec 11 2011
  UCR76183  Rhus ovata B. G. Pitzer, S. Hemstreet 1992-5-27 1960 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
  RSA0022442  Ribes amarum Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49777 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  OBI5928  Ribes californicum Carl B. Wolf 1931-3-6 1849 Orange 1 mi below Trabuco Camp ground, Trabuco cyn, W slope of the Santa Ana mts 610 Comment
  RSA304731  Ribes californicum var. hesperium Jim R. Shevock 1972-1-16 1333 Orange Santiago Road, Santa Ana. 915 Comment
  UCR250134  Ribes californicum var. hesperium Dick Newell, Judy Booth 2013-12-25 345 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Road, Cleveland National Forest, 1.5 miles NE of Maple Springs gate 722 Comment
  RSA0024854  Ribes cereum L. C. Hull 1934-2-11 s.n. Orange Black Star Canyon Rd. Comment
  CAS-BOT-BC173125  Ribes indecorum B. D. Stark 1930-2-21 1475 Orange Black Star Creek 457 Comment
  POM305815  Ribes indecorum Henry J. Ramsey 1937-4-2 1044 Orange Capistrano Canyon. Comment
Read comments
Dec 17 2011
  RSA1175  Ribes indecorum B. D. Stark 1930-2-21 1475 Orange Black Star Creek. 457 Comment
Read comments
Sep 5 2013
  UC484246  Ribes indecorum C. B. Wolf 1931-3-6 1861 Orange 1 mi n of base Modieska Grade (w slope of mts.); Santa Ana Mts. 304 Comment
  UCR223417  Ribes indecorum Dick Newell, Don Millar 2011-2-8 050 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, top of Agua Chinon Canyon at head of Limestone Canyon 387 Comment
  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
  RSA0021665  Ribes malvaceum Keith E. Hoffmaster 1932-4-17 517 Orange Santa Ana Mts. [Orange/Riverside Cos] Comment
  RSA663160  Ribes malvaceum var. viridifolium R. E. Riefner Jr. 2000-3-18 20 -133 Orange Cleveland National Forest. Ridge-top E of Fremont Canyon and W of Hidden Valley. eastern part of Section 24. 732 Comment
  RSA0018262  Ribes roezlii Christopher Davidson 1977-5-18 5613 Orange Cleveland National Forest; Santiago Peak (on Orange-Riverside Co. line) 1707 Comment
  RSA0054906  Ribes sanguineum var. glutinosum G. Jentges 1932-3-5 21 Orange In wild plot east of Science Bldg. [Most likely Santa Ana Jr. College]. Comment
  RSA354  Ribes speciosum J. T. Howell 1927-6-24 205 Orange Aliso Canyon, Rancho Santa Ana. 274 Comment
  RSA454955  Ribes speciosum E. Crow 1929-2-22 166 Orange Gypsum Canyon, Santa Ana Mountains. Near Corona. Comment
  RSA658211  Ribes speciosum T. A. Daubert 1991-5-19 661 Orange Tucker Wildlife Sanctuary, Modjeska Canyon inside sanctuary. Comment
  RSA702761  Ribes speciosum Scott D. White, Michael Honer 2004-5-17 10384 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
  SBBG54070  Ribes speciosum Townsend 1939-12-29 166 Orange upper Telegraph Cyn Comment
  UCR4191  Ribes speciosum R. H. Sauer 1965-5-3 s.n. Orange Peninsular Range; Santa Ana Mtns., on roadside about 150 ft from Riverside County line, on Chase Drive [Corona, = Skyline Dr.; +- at Oak Flat] 823 Comment
  IRVC26686  Ribes speciosum Mark A. Elvin 2004-4-4 3234 Orange UCI Arboretum Southern Coastal 15 Comment
  OBI30079  Ricinus communis T. Pringle 1966-3-3 42 Orange On a hill ner the jctn of Newport Blvd, and Riverside hwy Comment
  SBBG95105  Romneya coulteri S. D. White 1990-7-17 Orange Coal Cyn, ca. 1 mi S of the mouth of the Cyn near the Cyn bottom 274 Comment
  CAS-BOT-BC74420  Rorippa curvisiliqua Le Roy Abrams 1901-6-1 1768 Orange Laguna. Comment
  POM394  Rorippa curvisiliqua D. L. Crawford 1916-7-26 s.n. Orange Laguna Canyon. Comment
  POM48285  Rorippa curvisiliqua I. M. Johnston 1924-7-10 s.n. Orange Laguna Canyon. Comment
  CDA23131  Rorippa nasturtium-aquaticum Mark A. Elvin, D. G. Kelch 2006-12-9 5293 Orange Southern Coastal; Newport Backbay; Big Canyon, lower end. Comment
  POM201872  Rosa californica L. M. Booth 1932-6-7 1161 Orange Newport Lagoon. Comment
  RSA499273  Rosa californica Claire Kibbe 1936-07 s.n. Orange Santa Ana Canyon. Comment
  RSA734658  Rosa californica A. C. Sanders, Fred M. Roberts, A. O'Neal, D. E. Bramlet 2008-5-9 35294 Orange Weir Canyon, c. 1.1 mi. E of Walnut Cyn Reservoir. 277 Comment
  UCR188927  Rosmarinus officinalis Robert DeRuff 2007-11-24 s.n. Orange Newport Beach, Upper Newport Bay, North Star Beach 4 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
  CAS-BOT-BC421794  Rumex conglomeratus John Thomas Howell 1927-6-17 2554 Orange Hills on north side of Santa Ana Canon [Canyon] 152 Comment
  UCR102022  Rumex crispus B. G. Pitzer 1997-3-25 3013 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  RSA232221  Rumex crispus James Henrickson 1970-8-29 5313 Orange 3 mile NE of Huntington Beach in Pasture just N of Bolsa Chica Salt Marsh; 0 Comment
  RSA466284B  Rumex crispus M. B. Dunkle 1933-4-9 3289 Orange Dana Point. Comment
  UCR221460  Rumex hymenosepalus Dick Newell, Don Millar 2010-4-27 29 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, 100 ft. east of Agua Chinon Road at a point 6 miles due north of Hwy 241 229 Comment
  UCR107444  Rumex maritimus B. G. Pitzer, M. Georgiady 1997-4-5 3084 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
  RSA65452  Rumex maritimus F. W. Peirson 1924-8-29 s.n. Orange 3 miles from Balboa Beach. Comment
  UCR113445  Rumex pulcher R. E. Riefner Jr. 2000-8-17 20- 725 Orange Peninsular Range, Santa Ana Mountains, North Ranch Policy Plan Area, Silverado Creek near Forest Station 328 Comment
  RSA0013954  Rumex salicifolius Fred M. Roberts 2008-5-7 6941 Orange Lomas de Santiago: Loma Ridge, Limestone Ridge between Dripping Spr. and Limestone Cyn., 3.5 km NW Bolero Lookout and 1.7 km E Bee Peak. Irvine Ranch Conservancy. 481 Comment
  RSA466122  Rumex salicifolius Louis C. Wheeler 1932-6-22 840 Orange Newport Bay. 1 Comment
  RSA542460  Rumex salicifolius Fred M. Roberts 1988-4-14 3925 Orange IRVINE: south of the San Diego Freeway, 1.2 km. ENE French Hill. 41 Comment
  RSA539402  Rupertia physodes Fred M. Roberts, Carol A. Roberts 1988-6-2 4045 Orange Santa Ana Mtns: Maple Springs Truck Trail, 11.5km above Silverado Gate, 1.1km NNW Modjeska Pk. 1350 Comment
  SEINET5471003 Image available Ruppia maritima James Henrickson 1970-7-24 5023 Orange 3 mi. NW of Huntington Beach- Inner Bolsa Bay- froming very dense stand along margins of bay. Comment
  UCSB36208  Salicornia pacifica Ferren, Wayne 1980-8-27 Orange W side of Backbay Drive ca. 1.5 km. NE of Rt. 1, Newport Backbay, Newport Beach Comment
  UCSB48045  Salicornia pacifica Roberts, Jr., Fred 1981-6-26 Orange Anaheim Bay; Calif. Rte. 1 at southern margin of Naval Weapons Station, 1.7 km. SE McGaugh School; 1.1 km. W Hog Island Comment
  UCR14054.1  Salicornia subterminalis Hyrum B. Johnson 1973-10-27 s.n. Orange Pacific Coast, Bolsa Chica State Beach 1 Comment
  RSA768501  Salicornia virginica Justin M. Wood 2009-12-1 1392 Orange Santa Ana River: marsh just upstream of Pacific Coast Highway. 0 Comment
  RSA5282  Salicornia virginica B. D. Stark 1932-12-9 4430 Orange Capistrano Beach at Doheny Palisades. 5 Comment
  RSA5874  Salicornia virginica C. B. Wolf 1932-9-13 4026 Orange Bryant Ranch: Triangle of waste ground S of Bryant Ave., & 1/2 mi. west of Los Alamitos Blvd., (Triangle waste ground at NW corner of SW 1/4 sect. 30 T4S R11W) 8 Comment
  RSA698842  Salix argophylla Unspecified s.n. Orange Arch beach Comment
  POM182035  Salix exigua Carl B. Wolf 1932-4-15 2953 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon. 120 Comment
  RSA4247  Salix exigua Carl B. Wolf 1932-4-15 2953 Orange Rancho Santa Ana, near Santa Ana River and south of pear orchard, Santa Ana Canyon. 122 Comment
  RSA5780  Salix exigua Carl B. Wolf 1932-7-7 3843 Orange Bixby Ave., 0.6 mile W of Hansen road (0.1 mile W of SE corner of NE/4 of NW/4). 8 Comment
  RSA6444  Salix exigua Carl B. Wolf 1932-7-7 3843 Orange Bixby Ave., 1 km. W of Hansen road near town of Los Alamitos. 8 Comment
  UC492441  Salix exigua Carl B. Wolf 1932-7-7 3845 Orange near town of Los Alamitos (Rancho Santa Ana along ditch on Bixby Ave., 1 km. w of Hansen Rd., Bryant Ranch) Comment
  UC492353  Salix exigua var. hindsiana Carl B. Wolf 1932-4-15 2954 Orange near Santa Ana R. Rancho Santa Ana (along river s of pear orchard); Santa Ana Canyon 120 Comment
  RSA5404  Salix gooddingii Carl B. Wolf 1932-4-15 2955 Orange Rancho Santa Ana, near Santa Ana River and south of pear orchard, Santa Ana Canyon. 122 Comment
  RSA587881  Salix gooddingii Fred M. Roberts 1990-5-8 4618 Orange Chino Hills: Soquel Canyon, c.a. 1.2 km NNW Gilman Peak. Comment
  RSA759168  Salix gooddingii A. C. Sanders 2008-5-28 35446 Orange Lomas de Santiago, Bee Flat at mouth of Limestone Canyon. 264 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
  RSA0030838  Salix gooddingii Carl B. Wolf 1932-4-8 2950 Orange Rancho Santa Ana, near Sant Ana River, Sasnta Ana Canyon. 120 Comment
  RSA0038293  Salix hindsiana var. leucodendroides 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
  LA208694  Salix laevigata Carl Hedin; Joseph Ewan 1932-7-9 7680 Orange Santa Ana River 8 km below Prado (Rincon) [Area 7] Comment
  RSA140  Salix laevigata J. T. Howell 1927-7-14 395 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  RSA16482  Salix laevigata Percy C. Everett 1935-6-19 7225 Orange Main Divide Motorway, Bear Spring. 1220 Comment
  SD227895  Salix laevigata Scott D. White, Brian Leatherman 1997-6-12 5323 Orange Santa Ana Mtn. foothills. East of San Juan Capistrano: San Juan Creek between Hwy 74 bridge and Mission Vieja site, i.e. ca. 2 to 4 mi E of I-15 / Hwy 74 jtn. 45 Comment
  UC506449  Salix laevigata Carl Hedin and Joseph Ewan 1933-3-19 7684 Orange Comment
  IRVC8761  Salix lasiolepis Charles W. Sexton 1965-2-12 s.n. Orange Newport Beach. Southern Coastal Comment
  JEPS13843  Salix lasiolepis Alice King Feb., 1908 Orange Santa Ana River Comment
  POM177837  Salix lasiolepis Marcus E. Jones 1930-1-26 25528 Orange Wildwood Camp, Santa Ana River. Comment
Read comments
Nov 18 2013
  RSA5245  Salix lasiolepis Carl B. Wolf 1932-9-13 4033 Orange Bryant Ranch: Triangle of waste ground S of Bryant Ave., and 1/2 mi. west of Los Alamitos Blvd. 8 Comment
Read comments
Apr 11 2014
  RSA542511  Salix lasiolepis Fred M. Roberts Jr. 1987-3-31 3329 Orange Lomas de Santiago: Lomas Ridge, Upper Serrano Canyon east fork, 2.5 km SE Bolero Lookout. 369 Comment
  RSA611261  Salix lasiolepis Louis C. Wheeler 1946-9-28 6379 Orange Newport Bay: 1/2 mile north of main coast highway. 2 Comment
  UC498103  Salix lasiolepis L. M. Booth 1932-12-1 1384 Orange Santa Ana River; near mouth, about 3/4 mi from ocean Comment
  CAS-BOT-BC128461  Salix lasiolepis var. lasiolepis Marcus E. Jones 1930-3-3 25527 Orange Santa Ana Mountains Comment
  CAS-BOT-BC126301  Salix sessilifolia John Thomas Howell 1927-6-6 2440 Orange Santa Ana River bottom 152 Comment
  CAS-BOT-BC126309  Salix sessilifolia Carl B. Wolf 1932-4-15 2954 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon 120 Comment
  RSA700189  Salix sessilifolia R. H. McArthur 1934-2-27 s.n. Orange Santa Ana River at 1st St. Comment
  UCR222887  Salsola australis T. B. Salvato 2010-10-27 5111 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
  CDA3181  Salsola australis R. E. Riefner Jr. 2006-11-14 06 -672 Orange City of Irvine, San Diego Creek; vicinity of Campus Avenue at University Drive. Comment
  IRVC29783  Salsola australis Mark A. Elvin, Dean Kelch 2006-12-9 5295 Orange Newport Backbay; Big Canyon, lower end. Southern Coastal 3 Comment
  IRVC9300  Salsola tragus B. T. Gittins 1966-6-22 1415 Orange 0.5mi N Warner on Euclid Ave. Huntington Beach Comment
  RSA743461  Salsola tragus Fred M. Roberts 2008-7-10 7069 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
  UCLA55657  Salvia C. Epling and H. Lewis 1940-4-21 Orange 6 mi e San Juan Capistrano Comment
  RSA751323  Salvia apiana A. C. Sanders, Fred M. Roberts, Amber O Neal 2008-5-9 35292 Orange Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir. 300 Comment
  UCR193050  Salvia apiana A. C. Sanders, Fred M. Roberts 2008-6-17 35487 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, West Loma Ridge Spur Road c. 1 km east of Sheriff's Training Facility and 1.6 km SW of Irvine Lake, between hwys 241 and 261 357 Comment
  RSA0013963  Salvia columbariae Fred M. Roberts, D. E. Bramlet 2008-5-13 6955 Orange Upper Weir Cyn., central fork, 3.5 km NE Roberst Peak 369 Comment
  RSA401440  Salvia columbariae M. B. Dunkle 1933-3-5 3079 Orange San Juan Canyon 305 Comment
  RSA662  Salvia columbariae J. T. Howell 1928-3-18 891 Orange Rancho Santa Ana, Botanic Garden. 152 Comment
  UCR3192  Salvia leucophylla Chuck Elliott 1964-5-2 s.n. Orange Los Angeles Basin Region, Carbon Canyon 61 Comment
  OBI30186  Salvia mellifera Diane Terrell 1969-4-30 110 Orange At Tucker Wildlife Sanctuary in Modjeska Cyn 427 Comment
  RSA434144  Salvia mellifera E. A. McGregor 1964-6-4 s.n. Orange On Highway 74, between Elsinor and San Juan Capistrano. 915 Comment
  RSA5278  Salvia mellifera B. D. Stark 1932-12-15 4454 Orange Rancho Santa Ana 145 Comment
  RSA608239  Salvia mellifera Steve Boyd, Bart O'Brien 1998-1-13 10073 Orange Santa Ana Mountains: north end of the range, saddle between Mabey and Fremont canyons, along Main Divide Road ( 3S04) ca. 1.0 mi N of Oak Flat. 884 Comment
  RSA649077  Salvia mellifera Karl Price 1988-5-22 64 Orange On the side of Hot Springs Canyon Rd. in Hot Springs Canyon. 0.5 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 305 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
  UCR106308  Salvia mellifera B. G. Pitzer, M. Georgiady 1997-4-5 3098 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
  RSA751396  Salvinia minima Rick E. Riefner Jr. 2008-7-9 8 -219 Orange City of Laguna Beach, bluff area W of West St. and Pacific Coast Highway. 4 Comment
  IRVC336  Sambucus mexicana McGuire 1965-5-5 Orange Santiago Canyon, Tucker Wildlife Sanctuary]. Santa Ana Mountains Comment
  RSA0043352  Sambucus mexicana David Barrios 1991-5-8 26 Orange 1500 ft. northwest of Fairmont Ave and Quail Cir., Yorba Linda. 365 Comment
  RSA477581  Sambucus mexicana Albert J. Perkins 1923-6-24 s.n. Orange Silverado Canyon Comment
  RSA658215  Sambucus mexicana T. A. Daubert 1991-5-26 656 Orange Tucker Wildlife Sanctuary, Modjeska Canyon inside sanctuary. Comment
  UC537262  Samolus parviflorus Lawrence M. Booth 1932-7-19 1284 Orange Bolsas Marsh Comment
  RSA681026  Sanicula arguta Fred M. Roberts, D. E. Bramlet 2003-3-13 5573 Orange Donna O Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 197 Comment
  RSA734900  Sanicula bipinnatifida A. C. Sanders 2008-5-28 35435 Orange Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  RSA794245  Sanicula crassicaulis Doris Hoover Bowers 1971-4-19 1688 Orange Black Star Canyon Indian Site 762 Comment
  SBBG61402  Sanicula crassicaulis E. Rockwell -Mar-1920 1119 Orange Silverado Cyn Comment
  UC1022513  Sanicula crassicaulis C. Ritchie Bell 1953-2-22 3 X482 Orange 5 mi ne of Mission Capistrano (s of Cal Hwy 79) Comment
  UC1980267  Sanicula crassicaulis A. C. Sanders with Fred M. Roberts 2008-4-8 34768 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. Comment
  UCR97818  Sanicula crassicaulis Scott D. White 1997-3-28 4832 Orange Santa Ana Mountains, Above Modjeska Canyon, proposed water tank site. 488 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
  UCSB41776  Schinus molle Kula, Stanley 1964-12-20 Orange Carbon Canyon Rd. Comment
  RSA725511  Schinus terebinthifolius Fred M. Roberts 2007-9-11 6564 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
  IRVC1823  Schismus barbatus I. L. Wiggins 1966-2-18 20 448 Orange Rancho Santa Ana: roadside 1/2 mile W of entrance to Rancho Santa Ana near the end of Orange County road at the end of Orangethorpe Avenue. Santa Ana Mountains Comment
  IRVC21660  Schismus barbatus R. L. Allen, Fred M. Roberts, Jr. 1982-7-4 A 672 Orange Chino Hills: Carbon Canyon, Carbon Canyon Rd. (State Hwy 142), 1.1 - 1.5 mi SW of the San Bernardino County line. Santa Ana Mountains Comment
  POM6359  Schoenoplectus americanus Phillip A. Munz, L. T. Street, G. Williams 1919-5-3 2652 Orange Santa Ana River Canyon. Comment
  RSA357010  Schoenoplectus americanus Robert F. Thorne 1975-4-6 45574 Orange San Joaquin Marsh: Near Irvine and coast. Comment
  RSA697524  Schoenoplectus americanus Minor Warne 1934-5-13 s.n. Orange Talbert Drainage. Comment
  UCR247918  Schoenoplectus americanus Fred M. Roberts 2012-7-18 7673 Orange SAN JOAQUIN HILLS: Newport Beach, Buck Gully, Buck Gully Trail, west end, just east of north terminus of Poppy Street and 2.1 km WNW summit of Pelican Hill 37 Comment
  CAS-BOT-BC111266  Schoenoplectus californicus L. M. Booth 1932-8-4 s.n. Orange Brackish water of a canal, Santa Ana River, one mile from sea. 0 Comment
  CHSC26101  Schoenoplectus californicus James Henrickson 1970-7-24 4985 Orange 2 miles NNW of Huntington Beach around small freshwater industrial pond at eastern margin of Bolsa Chica Salt Marsh along Huntington Beach Mesa. 0 Comment
  POM1390  Schoenoplectus californicus D. L. Crawford 1916-7-26 s.n. Orange Laguna Canyon. Comment
  UCR157695  Schoenoplectus californicus Adrian Wolf 1998-5-15 268 Orange South Coast, Lambert Reservoir, north of El Toro Marine Corps Air Station 134 Comment
  RSA734876  Schoenoplectus maritimus Jeanne Payton 1934-4-10 s.n. Orange Marshes back of Santa Ana County Club. Comment
  RSA91578  Schoenoplectus maritimus F. W. Peirson 1925-4-12 5749 Orange Laguna Canyon, Laguna Beach. 107 Comment
  RSA732149  Scrophularia californica A. C. Sanders, Fred M. Roberts 2008-4-22 s.n. 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
  UCR231159  Scrophularia californica Dick Newell, Don Millar, Shara Harris 2011-6-21 190 Orange Peninsular Range; Santa Ana Mtns., mouth of Fremont Canyon near Irvine Lake dam spillway 231 Comment
  UCSC000882  Scrophularia californica Peter Kamb 1948-6-19 1097 Orange Holy Jim Canyon, Santa Ana Mts. 610 Comment
  POM6374  Scrophularia californica subsp. floribunda Philip A. Munz, Street, Williams 1919-5-3 2617 Orange Santa Ana River Canyon. Comment
  POM4224  Scrophularia californica subsp. floribunda Robinson, Crocker 1916-3-28 s.n. Orange Santa Ana Mts. Comment
Read comments
Sep 3 2011
  RSA16  Selaginella bigelovii John Thomas Howell 1927-7-28 506 Orange Nolina Canyon, Rancho Santa Ana 152 Comment
  RSA734129  Selaginella bigelovii Keith E. Hoffmaster 1935-5-5 629 Orange San Juan Canyon., Santa Ana Mts. Comment
  RSA749437  Selaginella bigelovii Fred M. Roberts 2008-4-14 6891 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork, 3.4 km E Robbers Peak, Irvine Ranch Conservancy. 433 Comment
  SBBG27191  Selaginella bigelovii J. T. Howell 1927-7-22 2834 Orange Claymine Cyn 182 Comment
  IRVC25398  Selaginella cinerascens Fred M. Roberts 1987-4-3 3339 Orange San Joaquin Hills; Irvine; central Shady Canyon, 2.9km NE Signal Hill. Central coastal 107 Comment
Read comments
Oct 17 2017
  RSA17008  Senecio californicus P. C. Everett 1936-3-19 7733 Orange Santa Ana Botanic Garden. 183 Comment
  RSA650644  Senecio californicus D. E. Bramlet 2000-4-7 2948 Orange Upper Blind Canyon. The site is found beside the SCE maintenance road and 762m west of the mainstem of Blind Canyon. This locality is 1.7km east of Weir Canyon. 354 Comment
  RSA697122  Senecio californicus Minor Warne 1934-04 s.n. Orange Laguna Canyon Forks Comment
  SEINET7067533  Senecio flaccidus A. G. Vestal 1947-6-12 s.n. Orange Santiago Creek Valley north of Santa Ana. Coordinate datum: NAD27. UTM Zone 11, 418529mE, 373676mN. Comment
  CAS-BOT-BC333068  Senecio flaccidus var. douglasii Agnes M. Bowman 1899-6-1 s.n. Orange Orange Comment
  RSA763058  Senecio flaccidus var. douglasii E. W. Lathrop 1973-6-27 7429 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  UCR261688  Senecio flaccidus var. douglasii Dick Newell, Judy Booth 2014-8-10 383 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Maple Springs Rd./Silverado Canyon Rd., 2 miles due north of Modjeska Peak 815 Comment
  RSA0124181  Senecio flaccidus var. douglasii M. B. Dunkle 1934-3-18 3973 Orange Upper San Juan Canyon. 610 Comment
  RSA700498  Senecio linearifolius Scott D. White 2004-6-7 10606 Orange S Coast; Laguna Miguel. Along Pacific Island Dr. 61 Comment
Read comments
Oct 23 2007
  CHSC101560  Senecio linearifolius var. linearifolius Scott D. White 2003-7-7 9613 Orange Irvine. UC Irvine Campus. Directly west of T-intersection of Shady Canyon Cr. w/ Bonita Canyon Dr. (= Culver Dr.). 70 Comment
  IRVC24749  Senecio vulgaris Fred M. Roberts 1986-4-29 2817 Orange Turtle Rock, above corner of Ridgerout Dr. and Turtle Rock Dr., 1.1km SE French Hill, Irvine 141 Comment
  POM765  Sesuvium verrucosum D. L. Crawford s.n. Orange Laguna Canon. Comment
  CAS-BOT-BC438200  Sesuvium verrucosum Carl B. Wolf 1932-7-7 3847 Orange Bryant Ranch, Bixby Ave., field 100 ft. N. of Rd. 7/10 mi. W. of Hansen Rd; 100 ft. N. & 2/10 mi. W. of S.E. corner of N.E.40 of N.W.160 of Sect. 34. T4S R11W. 7 Comment
  SD80981  Sesuvium verrucosum Roger Shelby 1970-8-22 Orange Ca. 4 miles north of Huntington Beach, 1.5 miles south of Warner Ave.on Pacific Coast Hwy in Bolsa Bay area Comment
  RSA724100  Setaria adhaerens R. E. Riefner 2004-8-8 4 373 a Orange City of Anaheim, Santa River bottom near 57-Freeway between Orangewood St. and Chapman Ave. 41 Comment
  RSA728655  Setaria adhaerens R. E. Riefner 2006-7-23 6 -310 Orange City of Santa Ana, 17th st. at 55 Hwy. 49 Comment
  RSA728664  Setaria adhaerens R. E. Riefner 2004-8-27 4 -389 Orange City of Irvine; San Diego Creek at Woodbridge High School, S of intersection of Barranca Rd. and West Yale Loop Rd. 27 Comment
  CAS-BOT-BC243592  Setaria parviflora Carl B. Wolf 1932-6-13 3725 Orange Malvern and Nicholas Aves., Fullerton 53 Comment
  RSA698173  Sidalcea malviflora R. H. McArthur 1934-3-25 s.n. Orange Paularino roadside. Comment
  RSA752036  Silene antirrhina Fred M. Roberts 2008-3-27 6813 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 1, 0.5km W Marine Institute (Dana Point Harbor). 45 Comment
  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
  JEPS50934  Silene gallica Alice King March 1908 Orange Santa Ana Comment
  RSA732075  Silene gallica A. C. Sanders, Fred M. Roberts 2008-3-25 34563 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCSB50630  Silene laciniata subsp. laciniata Roberts, Fred 1982-7-20 Orange Santa Ana Mtns.; Main Divide Extension, 3.0 km. by road NE Falcon Group camp; 3.4 km. E Los Pinos Peak 1027 Comment
  IRVC360  Silene laciniata subsp. major A. S. Boughey, P. Pembrook 1965-7-15 1053 Orange Saddleback Mtn. below Modjeska Peak, Cleveland National Forest, ; chaparral. Santa Ana Mountains Comment
  RSA289  Silene laciniata subsp. major J. T. Howell 1927-7-28 512 Orange Nolina Canyon, Rancho Santa Ana 152 Comment
  RSA507174  Silene laciniata subsp. major Jeri Hirshberg 1988-6-7 s.n. Orange Santa Ana Mountains, head of Gypsum Canyon 412 Comment
  RSA798186  Silene laciniata subsp. major R. F. Thorne, E. W. Lathrop, Walter 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
  RSA553117  Silene laciniata subsp. major Fred M. Roberts, Carol A. Roberts 1989-5-11 4349 Orange Santa Ana Mountains: Upper Blind canyon, east fork, along power line maintainance road, 3.9km SE Walnut Reservoir. 381 Comment
  SEINET219313  Silene verecunda P. C. Everett 1935-6-18 Orange Santa Ana Mountains summit of Santiago Peak. 1731 Comment
  IRVC908  Silybum marianum L. Stilgenbauer 1965-4-27 Orange Corona del Mar], Big Corona Beach. Newport Beach Comment
  UCR140789  Silybum marianum Robin G. Marushia 2004-5-4 011 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
  SEINET7882519 Image available Silybum marianum Jean Coulson 1959-1 s.n. Orange Santa Anna Mts.; 2.1 mi. E. on Esperanz Road from Orangethorpe. On S. side of road. Comment
  RSA184172  Sisymbrium irio I. L. Wiggins 1966-2-12 20430 Orange N. side of La Palma Ave. near Harbor Blvd., Anaheim. Comment
  RSA696105  Sisymbrium irio Keith E. Hoffmaster 1928-2-19 387 Orange Tustin, Santa Ana. Comment
  RSA735968  Sisymbrium officinale Scott D. White, Justin Wood 2008-4-22 11906 Orange Telegraph Canyon Road, E of Carbon Canyon Regional Park. 152 Comment
  CAS-BOT-BC135368  Sisyrinchium Marcus E. Jones 1926-4-28 s.n. Orange Gaviota Canyon [Canon] Comment
  RSA699166  Sisyrinchium bellum G. Gentges 1932-3-27 s.n. Orange Above Irvine Park. In Santiago Canyon. Comment
Read comments
Dec 6 2011
  RSA734803  Sisyrinchium bellum A. C. Sanders, Fred M. Roberts 2008-5-6 35250 Orange Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  UCR151027  Sisyrinchium bellum Scott D. White 1997-5-6 5039 Orange Peninsular Ranges; Santa Ana Mtns., Lomas de Santiago; Santiago Canyon area; unnamed tributary to Santiago Creek flowing from the SW, directly west of Pancho Canyon 396 Comment
  UCR256944  Sisyrinchium bellum Naomi Fraga 2009-5-11 2716 Orange Santa Ana Mountains, Cleveland National Forest, San Juan Loop Trail just west of Sugarloaf Spur Trail 912 Comment
  SD220085  Solanum americanum Mark A. Elvin 2004-5-2 3415 Orange Irvine: San Joaquin Freshwater Marsh near Campus and University Drs., 1.7 km (air) NNW UC Irvine campus center. 3 Comment
  UCR240197  Solanum americanum C. J. Minar 1994-4-16 02 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
  UCR193021  Solanum douglasii A. C. Sanders, Mitch Provance 2008-5-20 35417 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 355 Comment
  UCR281556  Solanum douglasii Mitch Provance, Jeremiah George 2017-3-20 317- 119 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
  UCR99872  Solanum douglasii Scott D. White 1993-3-5 1117 Orange Tustin. Marine Air Corps Air Station: SE of Red Hill Ave and NE of Barranca 15 Comment
  RSA74872  Solanum elaeagnifolium Elroy Robinson 1935-6-26 s.n. Orange Along Santa Fe Railway, El Toro, south of Los Angeles. Comment
  NY821196  Solanum parishii C. Davidson 1977-5-18 5616 Orange Santa Ana Mts. Cleveland Nat. Forest. Bear Springs 1219 Comment
  POM201712  Solanum physalifolium var. nitidibaccatum L. M. Booth 1932-7-30 1344 Orange Santa Ana River Comment
  RSA38195  Solanum rostratum Ed Johnson 1946-8-22 11531 Orange sandy river bottom, Rancho Santa Ana, Santa Ana River Canyon 122 Comment
  RSA427452  Solanum umbelliferum F. R. Fosberg 1931-6-21 S- 5079 Orange Lower Santiago Canyon. Comment
  RSA554628  Solanum umbelliferum Scott D. White 1992-10-13 959 Orange Vicinity of city of Brea, immediately N of Carbon Canyon Road and East of Placentia Avenue. +- 1 mile (airline) S/SE of Tonner Canyon. 183 Comment
  RSA733735  Solanum umbelliferum Jeanne Paxton 1934-2-25 s.n. Orange Sugar Loaf Canyon, Arch Beach Comment
  RSA751319  Solanum umbelliferum A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35284 Orange Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir. 300 Comment
  UCR2925  Solanum umbelliferum R. Oshima 1963-5-2 050263- 10 Orange Peninsular Range; Santa Ana Mtns., 2 mi west of the Riverside County line in a draw. 15 yards up the draw under oaks 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
  UCR97816  Solanum xanti Scott D. White 1997-3-28 4831 Orange Santa Ana Mountains, Above Modjeska Canyon, proposed water tank site. 488 Comment
  RSA0045319  Solanum xanti G. Jentges 1932-4-9 35 Orange Orange Park Acres. Comment
  UCSB41816  Solanum xanti Rowlands, Peter 1970-2-7 Orange Modjeska Cyn.; 1 mi.up oyn. from Tucker Wildlife Sanctuary on property of Norman FIemming 487 Comment
  RSA166678  Solidago californica Anonymous 1961-9-3 c- 5 Orange East on Hidden Valley Road, 1 mile from Broadway and South Coast Blvd, Laguna Beach 76 Comment
  UCR119311  Solidago californica R. E. Riefner Jr. 2000-8-8 20- 723 Orange Peninsular Range, Santa Ana Mountains, North Ranch Policy Plan Area, NE property, E slope of upper Fremont Canyon, south of Donaldson Ranch and south of powerline/ National Forest boundary 454 Comment
  RSA0055824  Solidago californica Doris Bowers 1970-10-26 1709 Orange Black Star Can. Indian site 610 Comment
  RSA699287  Solidago occidentalis J. R. Bruff 1930-10-19 s.n. Orange Santa Ana River bed. Comment
  UCR191214  Sonchus asper A. C. Sanders 2008-4-29 35146 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 Comment
  IRVC929  Sonchus oleraceus R. Salcido 1965-5-8 Orange Corona del Mar. Newport Beach Comment
  RSA234497  Sonchus oleraceus James Henrickson 1970-7-24 4954 Orange 1.5 miles NW of Huntington Beach, along border of Bolsa Chica Salt Marsh at SW end of Huntington Beach Mesa. 8 Comment
  RSA730994  Sonchus oleraceus Fred M. Roberts 2006-11-15 6468 Orange Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing. 85 Comment
  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
  UCR191421  Sonchus oleraceus A. C. Sanders, Fred M. Roberts 2008-4-8 34771 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Harding Truck Trail at Dripping Springs Loop, above Limestone Canyon 495 Comment
  UCR197681  Sorghum bicolor A. C. Sanders, Fred M. Roberts 2008-9-18 36066 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  HSC10988  Sorghum halepense D. W. Snell 1964-3-24 7 Orange 1 mi. E of Brea on Birch St. Comment
  IRVC12894  Sorghum halepense Roy Yarnell 1966-5-20 133 Orange State College Blvd., near Yorba Linda. southern coastal Comment
  IRVC15380  Sorghum halepense J. B. Anderson 1966-5-2 634 Orange MacArthur Blvd. near the Newport Freeway. southern coastal Comment
  IRVC23086  Sorghum halepense Fred M. Roberts 1985-6-25 1967 Orange Santiago Park, Santiago Creek at Valencia Street. Santa Ana Mountains 45 Comment
  SEINET179444 Image available Sorghum halepense L. M. Booth 1932-7-18 1265 Orange Costa Mesa. Comment
  CAS-BOT-BC235382  Spartina foliosa S. B. Parish; W. F. Parish 1882-10-1 1602 Orange Newport Bay Comment
  IRVC2456  Spartium junceum K. Durica 1965-3-28 s.n. Orange Costa Mesa. Southern Coastal Comment
  SD152845  Spartium junceum Steve Boyd, Tim Ross 1992-5-20 7459 Orange San Mateo Canyon Wilderness Area; western edge of the wilderness in Lucas Canyon. 305 Comment
  RSA0097075  Spergularia Scott D. White 1998-3-24 6228 Orange University of California, Irvine Campus: Site of proposed Research Park, Southwest of main campus circle, ca. halfway between Beerkeley Avenue and new freeway (Bonita Canyon). 37 Comment
  RSA0097080  Spergularia B. Pitzer 1996-4-30 2784 Orange Upper Newport Bay: California Department Fish & Game Ecological Reserve, off (W of) Jamboree Road. 6 Comment
  SD185179  Spergularia B. G. Pitzer 1996-4-30 2791 Orange Crystal Cove State Park. 14 Comment
  RSA0097838  Spergularia macrotheca F. W. Peirson 1923-3-26 4289 Orange Canada Salada. 0 Comment
  RSA0097846  Spergularia macrotheca F. W. Peirson 1924-5-31 4658 Orange Laguna Canyon, Laguna Beach. 91 Comment
  CAS-BOT-BC390309  Spergularia macrotheca var. macrotheca Scott D. White 1997-3-26 4821 Orange Univ. of Calif. Irvine Campus: Site of proposed student recreation center, east of main campus. Existing Farm School and adjacent grasslands (horse pasture) between California Ave. and Culver Dr. 30 Comment
  CAS-BOT-BC390856  Spergularia marina L. R. Abrams 1917-6-23 6565 Orange Balboa Comment
  UCR237817  Spergularia marina Mark A. Elvin 2003-2-2 2289 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  RSA0098511  Spergularia marina R. F. Thorne 1984-1 s.n. Orange San Joaquin Marsh, Newport Back Bay. Comment
  IRVC24744  Spergularia villosa Fred M. Roberts 1986-4-29 2822 Orange Turtle Rock, above corner of Ridgerout Dr. and Turtle Rock Dr., 1.1km SE French Hill, Irvine 141 Comment
  UCD63552  Sphaeralcea ambigua var. rosacea D. Sanchez-Mata 2006-7-1 s.n. Orange Laguna Niguel. Dana Point Highlands. Pacific Island Drive. 70 Comment
Read comments
Mar 23 2010
  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
  CAS-BOT-BC236645  Sphenopholis obtusata Samuel B. Parish 1884-6-10 1640 Orange Banks of Santa Ana River Comment
  CDA14320  Sporobolus indicus F. Covely 1998-8-3 s.n. Orange South Coast; Vampus of Huntington Beach U.H.S.D., 525 Yorktown Ave., Huntington Beach. 0 Comment
  RSA788911  Sporobolus indicus Fred M. Roberts 2008-9-17 7106 Orange Peninsular Ranges: Santa Ana River Canyon: Yorba Linda Regional Park adjacent to Santa Ana river, South of La Palma Ave. and 1.7 km ENE Imperial Hwy. bridge over river. 87 Comment
  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
  RSA679  Stachys rigida subsp. quercetorum J. T. Howell 1928-4-14 910 Orange Aliso Canyon, Rancho Santa Ana. 229 Comment
  UCR174220  Stachys stebbinsii A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33018 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
  RSA542590  Stebbinsoseris heterocarpa Fred M. Roberts, Karlin G. Marsh 1988-4-25 3934 Orange San Joaquin Hills: East flank Pelican Hill, 0.9 kilometer SE summit. 120 Comment
  CAS-BOT-BC393818  Stellaria media Ira L. Wiggins 1966-2-12 20437 Orange W side of State College Boulevard, opposite end of Electra Way, Fullerton Comment
  CAS-BOT-BC393821  Stellaria media Ira L. Wiggins 1965-11-5 20329 Orange N side of Chapman Avenue near Kraemer Road Comment
  IRVC371  Stellaria media A. S. Boughey 1965-3-16 74 Orange Silverado Canyon. Santa Ana Mountains Comment
  RSA696188  Stellaria media Keith E. Hoffmaster 1927-2-25 s.n. Orange Santa Ana. Comment
  UCD86398  Stenotaphrum secundatum A. C. Sanders 1990-10-6 10191 Orange Newport Bay, North Star County Beach area on the southwest end of the bay, ca. 2 km inland of Hwy. 1. 1 Comment
  UCR193852  Stephanomeria A. C. Sanders, Fred M. Roberts 2008-7-16 35827 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, along road in lower Limestone Canyon, near junction with Harding Truck Trail 290 Comment
  CAS-BOT-BC375194  Stephanomeria diegensis T. B. Salvato 2010-10-27 5129 Orange South Coast: Dana Point Headlands, Hilltop Park, north of Scenic Dr. and west of Green Lantern St., overlooking Dana Point Harbor 84 Comment
  JEPS36878  Stephanomeria diegensis L. M. Booth 1933-10-18 Orange Newport Comment
  POM202180  Stephanomeria exigua subsp. coronaria L. M. Booth 1932-6-17 1205 Orange Bolsas Marsh, near highway Comment
  RSA753082  Stephanomeria exigua subsp. deanei A. C. Sanders, Fred M. Roberts 2008-9-18 36083 Orange Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 320 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
  POM186313  Stephanomeria exigua subsp. exigua Joseph A. Ewan 1932-6-28 7706 Orange Corona Del Mar 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
  UCR192631  Stipa lepida A. C. Sanders, Fred M. Roberts 2008-3-25 34523 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR239632  Stipa lepida Fred M. Roberts 2012-4-24 7511 Orange San Joaquin Hills, Buck Gully, west of intersection of Ridge Park Road and Newport Coast Drive, 1.5 km west of Signal Peak 179 Comment
  RSA0045359  Stipa lepida Keith E. Hoffmaster 1935-4-14 126 Orange Live Oak can., Santa Ana Mts. Comment
  SD245221  Stipa miliacea R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49569 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Along San Juan Creek. Comment
  LA9459  Stipa pulchra LeRoy Abrams; 1903-4-18 3269 Orange Trabuco canyon, Capistrano Comment
  UCR177424  Stipa pulchra Scott D. White, Amanda Duchardt 2003-3-27 8852 Orange Peninsular Ranges/Santa Ana Mtns, Canyon bottom and W-facing slopes above Canada Gobernadora 183 Comment
  POM12440  Stuckenia pectinata Philip A. Munz 1922-9-2 6348 Orange Ponds in Laguna Canyon 46 Comment
  SEINET7073427  Stylocline gnaphaloides A. G. Vestal 1963-4-24 s.n. Orange La Paz Canyon, Rancho Mission Viejo. Coordinate datum: NAD27. Comment
  JEPS32500  Styrax officinalis var. redivivus Frank W. Peirson 1923-5-5 3493 Orange n side Trabuco Canyon; Santa Ana Mts., n side of Trabuco Canyon 640 Comment
  RSA263773  Styrax redivivus Robert Harvey H- 85 -66 Orange Tan Mine Canyon. Comment
Read comments
Oct 15 2013
  POM202055  Suaeda calceoliformis L. M. Booth 1932-8-5 1353 Orange West Newport Beach. Comment
  POM202729  Suaeda esteroa L. M. Booth 1932-12-13 1373 Orange Newport Bay. Comment
  RSA70019  Suaeda esteroa F. W. Peirson 1924-2-10 4535 Orange Balboa Beach, mainland near bridge Comment
  UCD145368  Suaeda esteroa Louis C. Wheeler 1946-9-28 6385 Orange Newport Bay. Comment
  RSA791013  Suaeda taxifolia W. R. Ferren, S. A. Whitmore 1980-8-27 2332 Orange Newport Backbay along Backbay Drive, ca. 1.5 km northeast of Route 1, Newport Beach. Comment
  UCSB48376  Suaeda taxifolia Roberts, Dar; Roberts, Fred 1982-4-19 Orange Newport Beach: Upper Newport Backbay; Back Bay Dr.; 0.8 km. N by road Jamboree Rd.; 2.1 km. E Newport Harbor High School 3 Comment
  LA204603  Symphoricarpos mollis W. E. Pequegnat; 1937-8-19 37 Orange Santa Ana Mountains, Trabuco Peak Comment
  RSA542650  Symphoricarpos mollis Fred M. Roberts, R. E. Riefner 1988-7-19 4116 Orange Santa Ana Mountains region: Upper Silverado Canyon, Maple Springs Truck Trail, 2.1Km NNW Modjeska Peak. 1260 Comment
  RSA696584  Symphoricarpos mollis R. H. McArthur 1934-4-7 s.n. Orange Ladd Canyon. Comment
  POM18086  Symphoricarpos rotundifolius var. parishii P. A. Munz 1923-9-7 7751 Orange Santiago Peak, Santa Ana Mountains. 1646 Comment
  UCR267155  Symphyotrichum subulatum 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
  UCSB48041  Symphyotrichum subulatum Roberts, Jr., Fred 1981-9-26 Orange Newport Beach; Pacific Coast Highway, 0.3 km. W Newport Blvd.; 0.4 km. SE Bench Mark 10 3 Comment
  SD87612  Symphyotrichum subulatum var. parviflorum F. W. Peirson 1924-10-19 5240 Orange Wintersberg Comment
  SBBG52719  Tauschia arguta C. Davidson 1977-5-18 5617 Orange Bear Springs, Santa Ana Mtns 1219 Comment
  UC1618074  Tauschia arguta Donald G. Nelson 1935-7-6 242 Orange San Juan Canyon; near stream Comment
  RSA0077374  Tetradymia comosa Orlando Mistretta 1992-6-6 s.n. Orange Peninsular Ranges; Santa Ana Mtns region: Vicinity of Sierra Peak (Historical Locality). Comment
  RSA752033  Tetragonia tetragonoides Fred M. Roberts 2008-4-2 6840 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  CAS-BOT-BC438221  Tetragonia tetragonoides Louis C. Wheeler 1934-1-14 2354 Orange Laguna Beach 1 Comment
  RSA402854  Tetragonia tetragonoides Fay A. MacFadden 1931-3-1 s.n. Orange Laguna Beach. Comment
  RSA542416  Thalictrum fendleri Fred M. Roberts, Karlin G. Marsh 1987-5-14 3441 Orange Santa Ana Moutains: Upper Trabuco Canyon, Trabuco Canyon Trail , 1.3 km NE Los Pinos Peak 1231 Comment
  RSA221087  Thalictrum polycarpum E. W. Lathrop 1966-4-6 6136 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 Comment
  HSC3139  Toxicodendron diversilobum J. W. Johnson 1961-4-2 Orange Newport Beach, N slope overlooking Upper Newport Bay Comment
  UCD169809  Toxicoscordion fremontii R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49661 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 430 Comment
  RSA474746  Tragopogon porrifolius Albert J. Perkins 1912-09 s.n. Orange Santa Ana Comment
  RSA184123  Tribulus terrestris I. L. Wiggins 1965-10-18 20276 Orange Curbway along Chapman Ave., about 50 ft. E. of Victor Dr., Fullerton. 15 Comment
  RSA440  Tribulus terrestris J. T. Howell 1927-7-7 285 Orange Near ranch house, Rancho Santa Ana. 152 Comment
  UCR230221  Trichostema lanatum Dick Newell, Ed Hill 2011-3-29 101 Orange Peninsular Range; Santa Ana Mtns., 200 yards NE of old coal mine, under power lines, off Coal Rd. below intersection with Upper Blind Cyn. Rd. 482 Comment
  UCSC003066  Trichostema lanatum Peter Kamb 1948-6-19 1093 Orange Santa Ana Mountains; Holy Jim Canyon 610 Comment