Search Results — 2000 specimen records retrieved (1654 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=ORANGE; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

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/cch_archive/).
 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.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1719496  Abronia maritima D. Atwood 1993-3-28 17715 Orange Bolsa Chica Ecological Reserve, Californis Dept. of fish and Game 0 Comment
  UCR16336  Abronia umbellata subsp. variabilis Steve Kulju 1974-5-27 s.n. Orange South Coast, Sunset Bay, 1 mile SE of the city of Seal Beach on State Hwy 1 5 Comment
  SEINET893740  Abronia villosa P. C. Everett 1935-1 7260 Orange Lower Sonoran. 8/10 miles east of Atwood, south of Railroad tracks. 107 Comment
  UC527619  Abronia villosa C. B. Wolf 1931-7-1 2259 Orange lower end of Santa Ana Canyon Santa Ana Canyon, Atwood 76 Comment
  POM742  Abronia villosa var. aurita C. F. Baker 1903-4-1 4125 Orange Anaheim Comment
  RSA727606  Abutilon palmeri R. E. Riefner Jr. 2006-9-5 06 -418 Orange Southern Coast: Corona del Mar, Ocean Blvd. Near Iris Ave. 11 Comment
  CDA1045  Acacia saligna D. G. Kelch 2006-12-9 6 .533 Orange Newport Bay, Back Bay Dr. betweeen marsh and steep bluff. Comment
  SEINET5642646  Acacia saligna Shelby J. Wood 2013-3-6 7 Orange Laguna Hills.; 0 Comment
  IRVC7  Acer macrophyllum D. Frees 1965-3-13 s.n. Orange Santa Ana Mtns: Silverado Cyn. Peninsular Ranges Comment
  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
  RSA797915  Acer macrophyllum Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49825 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  UCR234158  Acer macrophyllum Dick Newell, Judy Booth 2012-3-25 234 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Road, 1.5 miles above Maple Springs entrance 615 Comment
  RSA0013961  Achillea millefolium Fred M. Roberts 2008-5-14 6969 Orange Lomas de Santiago: Loma Ridge, upper Bee Flat Cyn. below Loma Ridge Rd., 1.3 km N Bee Peak and 5.4 km NW Bolero Lookout, Irvine Ranch Conservancy. 377 Comment
  RSA788919  Achillea millefolium Fred M. Roberts 1999-6-10 5241 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
  UCD128336  Achillea millefolium Steve Mason; Pam Rector 1993-4-16 4 Orange Laguna Niguel, Sea View Park Trail, about 25 yards up trail on left side, on border between disturbed terrain and coastal sage scrub. Near housing development overlooking canyon and coastline. 182 Comment
  RSA548854  Achnatherum coronatum Fred M. Roberts, G. A. Marsh 1986-5-16 2859 Orange Upper Lucas Canyon watershed, Sitton Peak Truck Trail, 3km WSW Sitton Peak 730 Comment
  RSA548876  Achnatherum coronatum Fred M. Roberts, T. Sholars, B. Stechmeyer 1988-3-29 3886 Orange Santa Ana Mountains: Hot Springs Canyon, 1.3 km north Hwy 74 by road , 0.7 km NW Juan Rancho Survey Marker., UTM 3717900m N, 452700m E 274 Comment
  RSA734282  Achnatherum coronatum A. C. Sanders, Linda Farley, Fred M. Roberts, David E. Bramlet 2008-4-1 34645 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 250 Comment
  UCSB52931  Acmispon micranthus Roberts, Jr., Fred 1983-5-19 Orange Laguna Beach: Sycamore Hills, near Laguna Canyon Rds.; 1.6 km. NNE jct. El Toro and Laguna Canyon Rds.; 5.1 km. ESE Signal Peak 130 Comment
  UCSB48115  Acmispon strigosus Roberts, Jr., Fred 1981-4-12 Orange Santa Ana Mountains; San Juan Canyon, Hwy. 74, 1.3 km. by road E San Juan Guard Station; 0.9 km. SE Juan Rancho Survey Mark 295 Comment
  RSA734663  Acourtia microcephala A. C. Sanders, Fred M. Roberts 2008-6-17 35485 Orange 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
  UCR174184  Acourtia microcephala A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33021 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
  UCR281525  Acourtia microcephala Mitch Provance 2017-6-9 617- 101 Orange Coyote Hills, North Fullerton, East side of Gilbert St., 0.5 miles ENE of intersection with Castlewood Dr. 124 Comment
  UCD128507  Acroptilon repens P. B. Kennedy 1925-1 s.n. Orange Santa Ana. Comment
  RSA699138  Actaea spicata Unspecified s.n. Orange Brook Bank. Comment
  RSA790699  Adenostoma fasciculatum Kenneth Beard 6 Orange Silverado Canyon. Comment
  SD247725  Adenostoma fasciculatum R. F. Thorne, C. W. Tilforth, E. W. Lathrop. 1977-4-27 49680 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 456 Comment
  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
  RSA658199  Adenostoma fasciculatum var. fasciculatum T. A. Daubert 1991-5-19 653 Orange Tucker Wildlife Sanctuary, Modjeska Canyon inside sanctuary. Comment
  IRVC14112  Adiantum capillus-veneris K. Marvosh 1966-6-5 Orange Trabuco Canyon, 2mi up canyon, 200yds E of road; on shaded rocks of canyon. Santa Ana Mountains Comment
  UCR215286  Adiantum jordanii Fred M. Roberts 2008-5-14 6960 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 337 Comment
  IRVC3117  Adiantum raddianum Pat Rolfe 1965-4-20 HS 0581 Orange Newport Beach: Back Bay. Southern coastal Comment
  SEINET13724198  Agropyron parishii J. L. Stevens 1969-5-14 48 Orange Fullerton, just N of CSF on State College Blvd. 183 Comment
  RSA0053702  Agrostis avenacea Chris E. True 2013-5-2 s.n. Orange Bommer Canyon, NW of Aliso Viejo. 104 Comment
  SD245195  Agrostis exarata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49570 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  RSA748255  Agrostis pallens A. C. Sanders, Mitch Provance 2008-5-20 35389 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
  UCR192990  Agrostis pallens A. C. Sanders, Fred M. Roberts 2008-6-17 35490 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
  CDA1695  Agrostis viridis M. K. Bellue, Johnson 1945-5-3 Orange 0 Comment
  UC455141  Alisma plantago-aquatica I. J. Condit 1908-7-21 Orange Los Alamitos Comment
Read comments
Nov 20 2010
  IRVC26680  Allium Mark A. Elvin 2004-4-4 3214 Orange UCI Arboretum Southern Coastal 15 Comment
  IRVC27140  Allium haematochiton Mark A. Elvin 2005-2-8 3988 Orange UCI Arboretum Southern Coastal 15 Comment
  RSA410097  Allophyllum glutinosum N. C. Cooper 1949-5-1 3948 Orange San Juan Canyon. 610 Comment
  UCD169758  Allophyllum glutinosum R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49604 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. 290 Comment
  CAS-BOT-BC170687  Alnus rhombifolia Ira L. Wiggins 1966-2-4 20411 Orange Along immediate margin of Stream above Ranger Station, Trabuco Canyon Comment
  CAS-BOT-BC170688  Alnus rhombifolia John Thomas Howell 1927-7-21 2810 Orange Santa Ana River bottom, Santa Ana Canon [canyon] 152 Comment
  RSA708720  Alnus rhombifolia Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6121 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
  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
  SEINET10572636  Aloe Charlene A. Bennett 1976-7-21 Bennett 431 Orange Cultivated plants collected in and around the condominium pacific island Estates in laguna hills; some native shrubs, etc. 152 Comment
  RSA597728  Alopecurus saccatus D. E. Bramlet 1995-6-10 2435 Orange Fairview Park, City of Costa Mesa., 37 24 490m N, 4 12 360m E. 43 Comment
  RSA234474  Amaranthus albus James Henrickson 1970-7-24 4975 Orange 1.5 miles NW of Huntington Beach along NW facing base of Huntington Beach Mesa bordering Bolsa Chica Salt Marsh. 3 Comment
  POM201873  Amaranthus blitoides L. M. Booth 1932-7-25 s.n. Orange Santa Ana River, 1 1/2 miles from ocean. Comment
  CLARK-A1528-979  Amaranthus californicus Patricia A. Andrews 1975-6-26 5930 Orange Capistrano Bay Beach 9 Comment
  UC537271  Amaranthus powellii Lawrence M. Booth 1932-7-21 1295 Orange Anaheim Marsh Comment
  POM201937  Amaranthus powellii subsp. powellii L. M. Booth 1932-7-21 1295 Orange Anaheim Creek Comment
  IRVC22955  Amblyopappus pusillus Karlin G. Marsh 1986-10-18 Orange Santa Ana Canyon, Featherly Park; in sandy wash. Yorba Linda Comment
  POM5985  Amblyopappus pusillus Philip A. Munz 1918-5-5 2186 Orange Laguna Beach. Comment
  UC536894  Amblyopappus pusillus Lawrence M. Booth 1932-5-12 1007 Orange Newport Bay Comment
  IRVC27491  Ambrosia acanthicarpa Mark A. Elvin 2004-5-2 3431 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7km (air) NNW UC Irvine campus center. Southern Coastal 3 Comment
  RSA12823  Ambrosia acanthicarpa E. R. Johnson 1934-12-5 6256 Orange Rancho Santa Ana, Santa Ana Canyon. 137 Comment
  UCR261707  Ambrosia acanthicarpa Dick Newell, Don Millar 2014-9-14 384 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Agua Chinon Wash, 0.1 mi. above the 241 Toll Rd./Foothill Transp. Corridor 202 Comment
  UCSB48044  Ambrosia acanthicarpa Roberts, Fred 1981-9-26 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 1 Comment
  HSC5659  Ambrosia chamissonis J. W. Johnson 1960-8-18 Orange Newport Beach, beside Newport bay, near Hwy. 101 Comment
  RSA640713  Ambrosia chamissonis L. C. Wheeler 1931-8-12 s.n. Orange Balboa. Comment
  RSA643442  Ambrosia chamissonis R. D. Goeden, D. W. Ricker 1970-2-19 s.n. Orange Pacific Coast: Newport Beach, NW edge of town between Seashore Dr., Neptune Ave.. 56th and 58th Streets., 33deg. 37.2'N, 117deg. 57'W 2 Comment
  SD39993  Ambrosia chamissonis Edith A. Purer 1932-8-31 4879 Orange Open areas of sand dunes along Route 101 Comment
  UC450974  Ambrosia chamissonis F. A. MacF. 1931-3-1 87 E Orange Laguna Beach Comment
  IRVC29814  Ambrosia psilostachya Laura D. Lyons, Mark A. Elvin 2006-9-23 428 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
  RSA33797  Ambrosia psilostachya N. C. Cooper 1942-11-9 882 Orange Balboa. Comment
  RSA416992  Ambrosia psilostachya Joseph A. Ewan 1931-7-31 4765 Orange Smeltzer. Choking irrigation ditch Comment
  UCR239931  Ambrosia psilostachya O. F. Clarke 2004-6-23 s.n. Orange South Coast, Newport Back Bay, just south of the Muth Interpretive Center 15 Comment
  POM47597  Ambrosia psilostachya I. M. Johnston s.n. Orange 3 mi. N of Balboa Comment
  SEINET11844102  Ambrosia psilostachya S. A. Thompson, Rawlins, J. E. 1988-1 5268 Orange Cleveland National Forest, 3.8 mi E of San Juan Hot Springs on CA 74 370 Comment
  CAS-BOT-BC177254  Amorpha fruticosa B. D. Stark 1931-10-17 2463 Orange Santa Ana River bottom, Rancho Santa Ana, Santa Ana Canyon 137 Comment
  CAS-BOT-BC177255  Amorpha fruticosa B. D. Stark 1931-10-17 2463 Orange Rancho Santa Ana, Santa Ana Canyon 137 Comment
  CAS-BOT-BC177257  Amorpha fruticosa John Thomas Howell 1927-6-6 2449 Orange Santa Ana River bottom, Santa Ana [Canon] Canyon 152 Comment
  RSA703704  Amorpha fruticosa Fred M. Roberts, David E. Bramlet 2004-7-30 6090 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy Cristianitos Canyon, along Cristianitos Ck., 0.93 km SSW Gato Gate and 0.23 km W Cristianitos Road. 76 Comment
  CAS-BOT-BC213966  Amsinckia Helen D. Geis 1902-1-1 510 Orange Santa Ana Comment
  UC174984  Amsinckia C. F. Baker 4095 Orange Anaheim; Pacific Coast Comment
  HSC3522  Amsinckia intermedia J. W. Johnson 1961-3-29 Orange Newport Beach, N slope overlooking upper Newport Bay Comment
  OBI6061  Amsinckia intermedia Carl B. Wolf 1931-3-6 1864 Orange E side of Orange county Park 152 Comment
  RSA620  Amsinckia intermedia J. T. Howell 1928-2-25 833 Orange Near Bee Canyon, Rancho Santa Ana. 152 Comment
  UC494723  Amsinckia intermedia Philip A. Munz 1932-3-29 12189 Orange Costa Mesa Comment
  RSA0089444  Amsinckia intermedia P. A. Munz 1934-3-26 13132 Orange Newport Beach. 15 Comment
  RSA184105  Amsinckia intermedia I. L. Wiggins 1966-3-5 20501 Orange Among grasses and weeds on grazed hillside, along hwy S-18, about 4.5 mi. E of Laguna Beach Comment
  SFV3057  Amsinckia intermedia D. E. Breedlove 1962-3-9 1791 Orange 6.4 miles east of San Juan Capistrano on State Highway 74. 122 Comment
  UCD119276  Amsinckia intermedia Francia Chisaki 1957-4-3 926 Orange 6 miles S of Irvine, just S of El Toro near top of hill on Highway 101. Comment
  RSA572  Anagallis arvensis J. T. Howell 1927-7-27 s.n. Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  SD181373  Anagallis arvensis Valeria Soza, K. Clark,L. Gross,W. Miller,F. Roberts,G. Wallace 2001-4-4 1123 Orange Anaheim Bay; Seal Beach U.S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge 3 Comment
  RSA650587  Anagallis arvensis Howard Cook 1948-5-8 4 Orange Collected on Santa Ana River about 8 miles east of Fullerton. 91 Comment
  RSA659985  Anagallis arvensis Steve Teh 1994-5-20 26 Orange Modjeska Grade rd. Fire road trail head. Comment
  RSA701652  Anagallis arvensis Stephen Bruff s.n. Orange Lemon Heights. Comment
  POM201881  Anemopsis californica L. M. Booth 1932-7-19 1280 Orange Bolsas Marsh. Comment
  CDA6811  Anthemis cotula Robert L. Pope 1957-6-21 Orange Moulton Ranch. 0 Comment
  RSA594799  Antirrhinum coulterianum Fred M. Roberts, Sandra Leatherman, Brian Leatherman 1994-4-24 4919 Orange Santa Ana Mountains: Lower Hot Springs Canyon, c.a. 1km NNW Juan Rancho Survey Mark. Comment
  RSA697  Antirrhinum coulterianum J. T. Howell 1927-6-5 34 Orange Rancho Santa Ana, near east boundary. 152 Comment
  UCR215279  Antirrhinum coulterianum Fred M. Roberts 2008-5-14 6966 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
  RSA594824  Antirrhinum kelloggii Fred M. Roberts, Sandra Leatherman, Brian Leatherman 1994-4-24 4918 Orange Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1 kilometers NNW San Juan Survey Mark. 268 Comment
  RSA698987  Antirrhinum majus Snow 1929-03 s.n. Orange Santa Ana. Comment
  RSA732279  Antirrhinum nuttallianum A. C. Sanders 2008-4-29 35135 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
  POM354915  Antirrhinum nuttallianum subsp. nuttallianum Albert J. Perkins 896 Orange Laguna Beach, Nigger Canon Comment
Read comments
Jul 15 2013
  UC1280323  Antirrhinum nuttallianum subsp. nuttallianum John M. Tucker 1941-5-30 260 Orange 2-3 mi e western boundary of Cleveland National Forest (at roadside on Ortega Highway) Comment
  POM202125  Aphanisma blitoides P. A. Munz 1934-3-26 13131 Orange Newport Beach. 22 Comment
Read comments
Dec 4 2014
  RSA0119679  Apiastrum angustifolium Fred M. Roberts 2015-3-10 7926 Orange San Joaquin Hills: Niguel Hill, on ridge above Aliso Canyon ear end of Ceanothus Drive (Hangover House property), 0.4 km WNW summit Aliso Peak. 122 Comment
  RSA700187  Apium graveolens R. H. McArthur 1934-5-10 s.n. Orange 1916 Wash 4 mi. west 1 mi. south S.A. Comment
  POM324025  Aptenia cordifolia Greg Wright 1971-7-17 314 Orange Pacific Coast Highway south of Laguna, Aliso Creek, inland from highway. 8 Comment
  RSA0126213  Arabis glabra P. A. Munz, R. D. Harwood 1920-4-25 3721 Orange Santa Ana Mountains, Silverado Canyon. 549 Comment
  IRVC22985  Araujia sericifera Karlin G. Marsh 1986-9-12 Orange Yorba Linda; Santa Ana Canyon, Santa Ana River, north side, Featherly Park south of Esperanza Rd. Santa Ana Mountains 105 Comment
  LA42394  Arctostaphylos glandulosa W. Pequegnat; 1938-3-19 sn Orange Santa Ana Mountains, Holy Jim Trail 1219 Comment
  RSA626922  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15507 Orange Hotshot Camp, north of Ortega Highway (Highway 74). 900 Comment
  RSA629333  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15517 Orange North of El Cariso on road to Los Pinos Pk, 3.8 km north of Hwy 74. 1000 Comment
  RSA629334  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15519 Orange North of El Cariso on road to Los Pinos Pk, 3.8 km north of Hwy 74. 1000 Comment
  UCR145821  Arctostaphylos glandulosa June Latting 1973-1-2 s.n. Orange Santa Ana Mountains, Silverado Canyon, 6.3 miles from Silverado Forest Station [presumably up canyon from Silverado] at 'S' curve in road 1220 Comment
  UCR273488  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42608 Orange Peninsular Range; Santa Ana Mountains, dirt road off North Main Divide Road (Forest Rte 3S04), north of Los Pinos Spring, 3.87 km NW (286 deg. ) of El Cariso Fire Station 1101 Comment
  CAS-BOT-BC23112  Arctostaphylos glandulosa subsp. glandulosa P. A. Munz; E. K. Balls 1952-8-19 17924 Orange Summit of Ortega hwy, Santa Ana Mts. 822 Comment
  IRVC1255  Arctostaphylos glandulosa subsp. glandulosa A. S. Boughey 1965-3-16 69 Orange Silverado Canyon. Santa Ana Mountains Comment
  RSA16475  Arctostaphylos glandulosa subsp. glandulosa P. C. Everett 1935-6-19 7232 Orange Main divide motorway. Upper sonoran or arid transition. Sun, W. slope, sandstone. 1280 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
  RSA629320  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15523 Orange North of El Cariso on road to Los Pinos Pk, 3.8 km north of Hwy 74. 1000 Comment
  RSA787500  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49708 Orange Northern Santa Ana Mountains: Sierra Peak 900 Comment
  RSA0051413  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49683 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 457 Comment
  UC1120327  Arctostaphylos glandulosa subsp. zacaensis H. A. Jensen 1937-11-4 442 Orange head of Trabuco Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UC284866  Arctostaphylos glandulosa subsp. zacaensis P. A. Munz 1923-5-7 7741 Orange slopes above Santiago Peak 1219 Comment
  SEINET10449243  Arctostaphylos glauca James S. Miller 2001-12-15 Miller 10651 Orange Rancho Santa Ana Botanic Garden, Santa Ana, CA. Comment
Read comments
Jan 17 2020
  SEINET10940290  Arctostaphylos insularis James S. Miller 2001-12-15 Miller 10650 Orange Rancho Santa Ana Botanic Garden, Santa Ana, CA. Comment
  UCD170239  Arctostaphylos otayensis K. M. Meyer; A. Townesmith and T. Scott 2007-3-10 6 Orange Cleveland National Forest, 2 mi. N of Main Divide Rd./NF3S04, off Hwy. 74. 957 Comment
  CAS-BOT-BC334498  Arctotheca prostrata R. E. Riefner, Jr. 2013-7-6 13 -125 Orange City of Irvine, Irvine Valley College, Irvine Center Dr. near College St. 37 Comment
  RSA234498  Arctotis venusta James Henrickson 1970-7-25 5091 Orange 2 miles NE of Huntington Beach near north end of Bolsa Chica Salt Marsh. 0 Comment
  RSA659895  Arenaria douglasii Karl Price 1988-5-21 47 Orange An unnamed side canyon within Hot Springs Canyon. It is on Hot Springs Canyon Rd., 0.75 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 304 Comment
  RSA0054828  Arenaria douglasii Keith E. Hoffmaster 1936-5-3 723 Orange Santa Ana Mts. (Santiago Peak). Comment
  NY387541  Argemone munita subsp. robusta C. B. Wolf 1933-8-24 Prop. No. 1915 Orange Upper Sonoran and arid transition areas. Santa Ana Mts. Summit of Santiago Pk. 1731.3 Comment
  RSA542514  Aristida adscensionis Fred M. Roberts 1987-3-31 3321 Orange Lomas de Santiago: Lomas [Loma] Ridge, upper Serrano Canyon, east fork, reservoir, 2.7 kilometers SE Bolero Lookout, UTM 3727900m N, 441800m E. 424 Comment
  RSA542513  Aristida purpurea var. parishii Fred M. Roberts 1987-3-31 3314 Orange Lomas de Santiago: Lomas [Loma] Ridge, Upper Serrano Canyon, east fork, reservoir, 2.2 kilometers SE Bolero Lookout, UTM 37 28 500m N, 4 41 200m E. 406 Comment
  RSA588773  Aristida purpurea var. parishii Fred M. Roberts, Carol A. Roberts, D. Bontrager 1990-4-28 4590 Orange Rancho Mission Viejo: Christianitos Canyon, 4.0 kilometers E Playa Survey Marker; UTM Z11 37 06 600m N, 4 47 600m E. 174 Comment
  RSA663206  Aristida purpurea var. parishii R. E. Riefner 2000-8-21 20 -729 Orange NCCP North Ranch Policy Plan Area. Along dort road running S from Baker Canyon Road to Silverado Road. 335 Comment
  UCR209342  Aristida purpurea var. purpurea Fred M. Roberts 2008-4-22 6923 Orange Lomas de Santiago, Loma Ridge, Lower Hicks Canyon, along Haul Road near asphalt plant, 2.2 km east-northeast of Rattlesnake Reservoir Dam and 2.2 km west-northwest of Bee Peak, Irvine Ranch Conservancy 188 Comment
  POM201737  Artemisia biennis L. M. Booth 1932-7-4 1250 Orange Newport Lagoon. Comment
  RSA696761  Artemisia biennis J. Russell Bruff 1930-10-26 s.n. Orange Santa Ana River bed. Comment
  JEPS36942  Artemisia californica L. M. Booth 1932-7-27 1327 Orange Newport Bay Comment
  SD187333  Artemisia californica R. E. Riefner Jr. 2006-8-25 06 410 Orange City of Dana Point, Salt Creek Beach Park, vicinity of Dana Strand Rd. and Selva Rd. 2 Comment
  UC537026  Artemisia californica Lawrence M. Booth 1932-6-29 1223 Orange Newport Bay Comment
  UCD129226  Artemisia californica B. Pitzer 1997-11-8 3373 Orange Crystal Cove State Park: Pelican Point Area, grassland area between Pacific Coast Hwy and the bike trail. Open areas adjacent to parking lot. 30 Comment
  UCR103707  Artemisia douglasiana B. G. Pitzer, T. Tennant 1997-11-8 3362 Orange San Joaquin Hills, Crystal Cove State Park, along Moro Canyon Trail, from beginning to a point c. 1.75 mi. up the canyon. 85 Comment
  POM6088  Artemisia dracunculus Daniel J. Crawford 1916-8-3 s.n. Orange Arch Beach. Laguna Beach Region. Comment
  RSA784180  Artemisia vulgaris J. D. Olmsted 1959-8-26 836 Orange Drainage area to Santiago Reservoir. Mouth of Black Star Canyon east of Santiago Reservoir. 320 Comment
  UCR235513  Asclepias curassavica R. E. Riefner Jr. 2011-8-19 11- 100 Orange South Coast, city of Laguna Beach, bluff area west of West Street and Pacific Coast Highway 4 Comment
  UCR228777  Asclepias eriocarpa Dick Newell, E. D. Hill 2011-6-7 171 Orange Peninsular Range; Santa Ana Mtns., Coal Mine Road above MWD road and west of Fremont Canyon 228 Comment
  IRVC19696  Asclepias fascicularis Karlin G. Marsh 1983-5-25 s.n. Orange Sycamore Hills, Laguna Canyon; freshwater marsh between Laguna Canyon laterals 6 & 7. Laguna Beach Comment
  SEINET179443  Asclepias fascicularis L. M. Booth 1932-7-21 1291 Orange Anaheim Meadows. Comment
  UC729854  Asclepias fascicularis Carl B. Wolf 1932-7-7 3853 Orange about 1 mi e Los Alamitos Blvd. (Bixby Ave., Bryant Ranch, 100 ft. w of se corner of NE40 of NW160 of Sect.32) Comment
  UCR233746  Asclepias fascicularis Fred M. Roberts 2008-6-12 7041 Orange Santa Ana Mtns. Foothills, Lomas de Santiago; Loma Ridge, Shoestring Canyon, Shoestring Road near jct. with Santiago Cyn. Rd. 251 Comment
  RSA5959  Asclepias fascicularis C. B. Wolf 1932-7-7 3853 Orange Bixby Ave, about 1 mi. east of Los Alamitos Blvd., 100 ft. W. of S.E. corner of N.E 1/4 of N.W 1/4 Comment
  IRVC14128  Aspidotis californica K. Marvosh 1966-4-29 Orange Silverado Canyon, 400 yds S of community; on shady, moist stream bank in rocky soil. Santa Ana Mountains Comment
  IRVC181  Asplenium bulbiferum Janet Morgan 1965-3-25 HS0563 Orange Newport Beach: Beacon Bay. Southern Coastal Comment
  POM201791  Aster hesperius L. M. Booth s.n. Orange Newport Beach Comment
  RSA93824  Aster hesperius F. W. Peirson 1924-10-19 5241 Orange Wintersberg Comment
  UCR100183  Aster subulatus Scott D. White 1993-3-5 1108 Orange Tustin. Marine Air Corps Air Station: SE of Red Hill Ave and NE of Barranca 15 Comment
  RSA784  Aster subulatus var. ligulatus J. T. Howell 1927-9-24 750 Orange Santa Ana River Bottom, Rancho Santa Ana 152 Comment
  SEINET946267  Asteraceae C. B. Wolf 1934-1 6262 Orange South end of town of San Clemente 15 Comment
  RSA0016942  Astragalus brauntonii Adrian Wolf, Paul Galvin 2003-8-11 s.n. Orange North Ranch Policy Plan Area, Gypsum Canyon. 284 Comment
  POM21172  Astragalus didymocarpus Helen D. Geis 1902-03 s.n Orange Santiago Creek bed. Comment
  RSA0089238  Astragalus didymocarpus David E. Bramlet, J. E. Harrison 2008-4-3 4157 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
  UC1929556  Astragalus didymocarpus var. didymocarpus Scott D. White, Justin Wood 2008-4-21 11904 Orange Chino Hills: Chino Hill State Park, N of 91 freeway, above Yorba Linda. Comment
  UCR199730  Astragalus didymocarpus var. didymocarpus Scott D. White, Justin Wood 2008-4-21 11904 Orange Chino Hills, Chino Hills State Park, N of 91 freeway, above Yorba Linda 488 Comment
  UC484247  Astragalus trichopodus var. lonchus C. B. Wolf 1931-3-6 1860 Orange 1 1/2 mi below Trabuco Camp Grounds (Trabuco Canyon, w slope Santa Ana Mts.); w slope Santa Ana Mts., Trabuco Canyon 548 Comment
  RSA415813  Astragalus trichopodus var. lonchus L. C. Wheeler 1931-8-16 s.n Orange Santa Ana River Canyon. 122 Comment
  UC1286978 Image available Astragalus trichopodus var. phoxus C. L. Hitchcock 1966-3-15 24141 Orange Stearns Lease, 1 1/2 miles e. of Brea Comment
  RSA743663  Atriplex R. E. Riefner 2006-9-6 6 -425 Orange City of Newport Beach, Newport Bay, Big Canyon Creek drainage near Back Bay Dr. 9 Comment
  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
  UCR203880  Atriplex amnicola R. E. Riefner Jr. 2005-9-9 05- 659 Orange South Coast, city of Dana Point, beach south of Salt Creek, past Ritz Carlton Hotel on Pacific Coast Hwy 2 Comment
  UCR240254  Atriplex amnicola R. E. Riefner Jr. 2006-2-12 06- 21 Orange South Coast, N end of City of San Clemente, along N-bound I-5, immediately S of Camino de Estrella exit ramp 66 Comment
  RSA737233  Atriplex amnicola R. E. Riefner 2006-2-12 06 /21/2015 Orange N end of City of San Clemente, along I5 N, immediately S of Camino de Estrella exit ramp. 66 Comment
  RSA737856  Atriplex amnicola R. E. Riefner 2005-9-9 5 -659 Orange City of Dana Point, beach south of Salt Creek, past Ritz Carlton Hotel on Pacific Coast Hwy. 2 Comment
  UC7076  Atriplex argentea var. mohavensis O. B. Byram 1901-9-10 Orange Westminster Comment
  JEPS59563  Atriplex californica L. M. Booth 1932-5-19 1068 Orange Newport Bay Comment
  POM633  Atriplex californica D. L. Crawford 1926-07 s.n. Orange Laguna Beach region Comment
  RSA452403  Atriplex californica Albert J. Perkins 1923-05 s.n. Orange Laguna heights Comment
  UCR146227  Atriplex californica Valerie Soza, Et al. 2001-4-4 1109 Orange South Coast, Seal Beach National Wildlife Refuge, Seal Beach U. S. Naval Weapons Station, across access road from Nature Center (Bldg 226) 3 Comment
  POM637  Atriplex canescens I. M. Johnston 1918-9-3 2149 Orange Laguna Beach. 6 Comment
  UCR103288  Atriplex canescens B. G. Pitzer, T. Tennant 1997-11-8 3378 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland area between Pacific Coast Hwy and the bike trail. 30 Comment
  UCR221461  Atriplex canescens Dick Newell, Don Millar, Steve Shinn 2010-9-28 38 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Hicks Haul Road (Jeffrey Rd.) 1/2 mile east of Hwy 241 toll road 236 Comment
  CAS-BOT-BC170191  Atriplex canescens subsp. canescens I. M. Johnston 1918-9-3 2149 Orange Laguna Beach 6 Comment
  CAS-BOT-BC172636  Atriplex coulteri LeRoy Abrams 1903-4-18 3270 Orange Trabuco Arroyo near Capistrano 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
  SD243319  Atriplex glauca R. E Riefner 2005-12-13 05 784 Orange City of Lake Forest; ca. 0.5 mile N of Alton Pkwy along E side of SR-241 230 Comment
  RSA795710  Atriplex glauca W. R. Ferren 1991-12-2 EPA- 17 Orange San Juan Creek Highway 74 at bridge for San Juan Creek, San Juan Capistrano. Comment
  RSA741477  Atriplex halimus R. E. Riefner 2008-12-23 8 -375 Orange City of Laguna Beach, S Crescent Bay, Cliff Dr. at Circle Way. 5 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
  UC7046  Atriplex lentiformis subsp. lentiformis unknown 1896-6 Orange San Juan <Capistrano>; Seashore Comment
  SD181601  Atriplex leucophylla Valerie Soza, K Clark,L Gross,W Miller,F Roberts,G Wallace 2001-4-4 1117 Orange Anaheim Bay, Seal Beach, U.S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge; Seal Beach 7.5' quad. Coastal sand dunes. 3 Comment
  SD40196  Atriplex leucophylla Edith A. Purer 1932-8-31 4870 Orange Along Route 101. Comment
  RSA478322  Atriplex leucophylla Anstruther Davidson 1902-09 s.n. Orange Newport Beach. Comment
  CAS-BOT-BC180907  Atriplex pacifica John Thomas Howell 1927-7-17 2788 Orange One mile north of Laguna Beach 30 Comment
  POM201898  Atriplex pacifica L. M. Booth 1932-5-19 1069 Orange Newport Bay. Comment
  POM631  Atriplex pacifica I. M. Johnston 1918-5-4 1931 Orange Laguna Beach. Comment
  HSC34526  Atriplex semibaccata J. D. Ackerman, A. M. Montalvo 1974-3-28 167 Orange S Laguna, by S Laguna Sanitary Station Comment
  SEINET155912  Atriplex semibaccata Norman C. Cooper 1942-11-9 889 Orange Balboa. Comment
  RSA0031755  Atriplex semibaccata R. F. Thorne 1977-11-21 50819 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs 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
  UCSB48087  Atriplex semibaccata Roberts, Jr., Fred 1981-5-2 Orange Mission Viejo; Camino Capistrano, 1.7 km. N Crown Valley Parkway 49 Comment
  RSA297187  Atriplex serenana L. M. Booth 1932-7-1 1248 Orange Newport Bay. Comment
  RSA452383  Atriplex serenana var. davidsonii L. C. Wheeler 1934-1-14 2363 Orange Aliso Creek near Laguna. 76 Comment
  SBBG119391  Atriplex suberecta T. Perring with T. Pinckard 1994-3-2 Orange Marine Helicopter Station at the corner of Moffett Dr and Jamboree Rd, Tustin 11 Comment
  RSA303593  Atriplex subspicata J. R. Shevock 1972-9-27 s.n. Orange Newport Beach Bay. 3 Comment
  RSA48695A  Atriplex subspicata I. M. Johnston 1924-8-29 s.n. Orange 2.5 miles north of Balboa. Comment
  RSA65393  Atriplex subspicata F. W. Peirson 1924-8-29 s.n. Orange 2.5 miles from Balboa Beach on road inland along creek Comment
  UCR130484  Atriplex triangularis R. E. Riefner Jr. 2003-8-31 03- 340 Orange South Coast, Costa Mesa, Talbert Regional Park, Discovery Walk Trail and Balboa Ave. 12 Comment
  RSA65348  Atriplex watsonii F. W. Peirson 1924-8-29 5089 Orange Mainland at bridge, Balboa Beach. Comment
  SBBG65356  Atriplex watsonii M. N. Ackley 1928-9-22 419 Orange Sunset Beach 8 Comment
  SD232218  Atriplex watsonii Valerie Soza, Kevin Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary Wallace 2001-4-4 1100 Orange Seal Beach Natiional Wildlife Refuge: Seal Beach U.S. Naval Weapons Station, across access road from Nature Center. 3 Comment
  CAS-BOT-BC146059  Avena barbata Ira L. Wiggins 1966-3-16 20529 Orange Roadside near entrance to Firestone Boy Scouts Reservation. Comment
  UC1130900  Avena barbata A. Lewis Apr 1934 395 Orange San Joaquin Hills Corona Quadrangle Comment
  IRVC27505  Avena fatua Mark A. Elvin 2004-5-2 3421 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7km (air) NNW UC Irvine campus center. Southern Coastal 3 Comment
  RSA385407  Avena fatua Anonymous 1914-8-22 s.n. Orange Near Harper. [1909-1920, then became Costa Mesa] Comment
  RSA734680  Avena fatua A. C. Sanders, T. B. Salvato 2008-5-13 35336 Orange Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  UC577599  Avena fatua A. Lewis Apr 1934 Orange San Joaquin Hills Corona Quadrangle Comment
  UCR193069  Avena fatua A. C. Sanders, T. B. Salvato 2008-5-13 35336 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
  UCR217469  Avena fatua Mark A. Elvin 2003-2-23 2316 Orange South Coast, Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  UCSB47968  Avena fatua Roberts, Fred 1980-3-3 Orange Hills 1.5 km ENE of Dana Hills High School; Dana Point 85 Comment
  RSA696691  Avena sativa Keith E. Hoffmaster 1927-5-5 s.n. Orange Santa Ana. Comment
  CAS-BOT-BC66214  Azolla filiculoides John Thomas Howell 1927-7-6 2663 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  IRVC15200  Baccharis douglasii Karlin G. Marsh 1977-9-16 Orange Huntington Beach: Huntington Cental Park, Shipley Nature Center southern coastal Comment
  IRVC29764  Baccharis douglasii Barry S. Nerhus, Mark A. Elvin 2006-11-4 4 Orange Huntington Beach, Bolsa Chica Wetlands, SW portion of Reserve beside Pacific Coast Highway. Southern Coastal 0 Comment
  POM48018  Baccharis douglasii I. M. Johnston 1924-8-29 s.n. Orange 3 miles NW of Huntington Beach Comment
  RSA655626  Baccharis douglasii A. C. Sanders 2000-4-19 23336 Orange Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St. 0 Comment
  CDA10367  Baccharis emoryi Hill, Lee 1951-9-9 B 51632 Orange Santa Fe Railroad tracks, near Red Hill Avenue, Santa Ana. 0 Comment
  LA103539  Baccharis emoryi Barry A. Prigge; 1983-12-17 5519 Orange Santa Ana Marsh and adjacent lowlands, southeasternmost part of oil field just N of Pacific Coast Highway between remnant Santa Ana River channel and dirt road 1 Comment
Read comments
Jun 12 2013
  LA37359  Baccharis emoryi David S. Verity; Fred Lang 1972-7-14 sn Orange hills behind South Laguna, at the top of Pacific Island Drive Comment
  RSA184186  Baccharis emoryi I. L. Wiggins 1965-11-6 20338 Orange Near well #14, Kramer Oil Estates, near end of county road to Rancho Santa Ana. Comment
  RSA663210  Baccharis emoryi R. E. Riefner 2000-3-26 20 -153 Orange NCCP North Ranch Policy Plan Area. Fremont Canyon: N. of major stream fork along W. channel drainage 335 Comment
  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
  UCR112095  Baccharis glutinosa A. C. Sanders, D. Malueg, K. D. Jones 2000-4-19 23336 Orange Pacific Coast, Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St. 11 Comment
  RSA741701  Baccharis malibuensis R. E. Riefner Jr. 2008-7-2 08 -181 Orange Santa Ana Mts., Irvine Ranch Reserve, Fremont Canyon Conservation Easement, east Fremont Canyon, Black Star SCE Rd. 660 Comment
  UCR186682  Baccharis pilularis T. B. Salvato, Katie Kurtz 2006-10-15 1915 Orange South Coast, Irvine, San Diego Creek flood control channel, near Michelson Drive and Harvard Avenue 6 Comment
  UCR207595  Baccharis pilularis O. F. Clarke, Roger E. Reinke 2004-11-14 s.n. Orange South Coast, Newport Back Bay 3 Comment
  IRVC21308  Baccharis pilularis subsp. consanguinea Fred M. Roberts 1983-12-9 1152 Orange UCI Ecological Preserve, 0.8km SSW campus center, Irvine 70 Comment
  CAS-BOT-BC106732  Baccharis salicifolia Ira L. Wiggins 1966-2-4 20418 Orange Along watercourse near mouth of Trabuco Canyon Comment
  CDA10394  Baccharis salicifolia D. G. Kelch 2006-12-9 6 .557 Orange Irvine. University Dr along tidal creek just E of I-73. Comment
  HSC5108  Baccharis salicifolia T. L. Ackerman 1964-3-28 15 Orange On Irvine Park Dr. inside Irvine Park Comment
  POM202374  Baccharis salicifolia L. M. Booth 1932-6-9 1179 Orange Santa Ana River, 1 mile from ocean. 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
  UCR100454  Baccharis salicifolia B. G. Pitzer 1996-4-30 2769 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  UC1532995  Baccharis salicifolia subsp. salicifolia Robert F. Thorne 1975-4-6 45577 Orange Head of Newport Bay Comment
  SBBG63169  Baccharis salicina E. Rockwell 1919-1 198 Orange near Brea 106 Comment
  SDSU6381  Baccharis salicina D. F. Howe 1945-10-20 1354 Orange Santa Ana river between Orange and Corona. Comment
Read comments
Oct 12 2011
  UCR46557  Baccharis salicina B. G. Pitzer, L. F. LaPre 1986-10-20 0310 Orange Peninsular Range; Santa Ana Mtns., Siphon Reservoir, c. 5 mi NE of Irvine and c. 1 mi NE of intersection Irvine Blvd and Sand Canyon Ave 122 Comment
  UCSB36207  Baccharis salicina Ferren, Wayne; Roberts, Fred 1980-8-27 Orange Newport Back Bay trending NW from Bayside Drive, ca. 3.5 km. NE of Rt. 1, Newport Beach Comment
  RSA698744  Baccharis viminea Anonymous s.n. Orange Orange County park Comment
  RSA734884  Baccharis viminea Kenneth Beard 1934-02 s.n. Orange Beside Santa Ana River at First Street. Comment
  IRVC20371  Barbarea orthoceras D. A. Roberts 1983-3-22 3024 Orange San Juan Canyon, Calif. Rte. 74, south side, 4.3km by road E San Juan Guard Station; 2.3km WNW Sitton Peak, Santa Ana Mountains 407 Comment
  RSA733821  Barbarea vulgaris Keith E. Hoffmaster 1935-5-5 623 -424 Orange San Juan Canyon., Santa Ana Mts. Comment
  CHSC26008  Bassia hyssopifolia James Henrickson 1970-7-24 4953 Orange 1 1/2 miles NW of Huntington Beach, along border of Bolsa Chico Salt Marsh at SW end of Huntington Beach Mesa. 7 Comment
  SD80928  Bassia hyssopifolia James Henrickson 1970-7-24 4953 Orange 1I(c) miles northwest of Huntington Beach along border of Bolsa Chica Salt Marsh at southwest end of Huntington Beach Mesa. 7 Comment
  POM122280  Batis maritima Marcus E. Jones 1924-8-26 s.n. Orange Balboa Comment
  RSA12654  Batis maritima C. B. Wolf 1934-7-29 6042 Orange Newport Bay. Comment
  UCD114085  Batis maritima A. C. Sanders 1990-10-6 10195 Orange Newport Bay, North Star County Beach area on the SW end of the bay, ca. 2 km inland of Hwy 1. 1 Comment
  POM17841  Bebbia juncea Philip A. Munz 1923-9-7 7771 Orange Mouth of Trabuco Canyon 305 Comment
  RSA30446  Bebbia juncea Elisabeth Norland 1942-7-3 11283 Orange Rancho Santa Ana RR track, 1/4 mile E of entrance Comment
  SBBG45055  Bebbia juncea C. B. Wolf 1931-7-25 2295 Orange Santa Ana, Santa Ana Cyn 121 Comment
  SD247611  Berberis dictyota R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49716 Orange Santa Ana Mountains: Bedford Truck Trail, ca. 0.8 km below junction with Main Divide Truck Trail Comment
  RSA160501  Bidens laevis J. D. Olmsted 1959-9-22 982 Orange Along Santa Ana River N of Sycamore Park along Hwy. 8-9mile WSW of Corona, betw Santa Ana Mts and Puente Hills to Pacific Ocean 137 Comment
  RSA730988  Bidens pilosa var. pilosa Fred M. Roberts 2006-11-15 6462 Orange Santa Ana Cyn., 1.0 km ENE Imperial Hwy bridge, between La Palma Ave. and Santa Ana River near Big Springs St. 89 Comment
  CSUSB15  Bloomeria crocea Randy Salstrom 1966-5-8 050866 73 Orange Fullerton area, 100 yards north of the corner of Mariann Ave. and Harbor Blvd. on Harbor Blvd. Comment
  RSA542343  Bloomeria crocea var. crocea Fred M. Roberts, Carol A. Williams 1988-4-12 3923 Orange Lomas de Santiago: Loma Ridge, 3.3 km NW Bolero Lookout. 475 Comment
  UCR12191  Bloomeria crocea var. crocea Art Whistler 1966-4-27 s.n. Orange Between Laguna Beach and Anaheim, via Laguna Canyon Rd. and probably Route 1 Comment
  CAS-BOT-BC478932  Bloomeria crocea var. crocea Palmer Stockwell 1935-5-12 1218 Orange 7 mi. E. of Mission San Juan, on Elsinore Rd. Comment
  UCR130147  Bolboschoenus maritimus subsp. paludosus Christopher Davidson, Gerald L. Benny 1971-6-15 1554 Orange Carbon Canyon, 1 mile SW of Carbon Canyon mineral spring 183 Comment
  CAS-BOT-BC21117  Bolboschoenus robustus James R. Shevock 1972-9-27 2288 Orange South Coast Ranges. Upper Newport Bay, city of Newport Beach. 1 Comment
  RSA588717  Bothriochloa barbinodis Fred M. Roberts 1990-6-5 4680 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
  UCD56813  Bothriochloa barbinodis W. M. Cory 1957-7-26 s.n. Orange El Toro. Whiting Ranch. Comment
  UCD56816  Bothriochloa barbinodis P. B. Kennedy 1924-2-5 s.n. Orange Irvine Range. Comment
  RSA731758  Bougainvillea glabra Fred M. Roberts, Sandy Leatherman 2007-11-9 6647 Orange San Juan Canyon along San Juan Creek, within the community of San Juan Hot Springs. 216 Comment
  UCR140887  Bougainvillea glabra Robert DeRuff 1988-9-16 348 Orange Southern Coast, Newport Beach, Newport Back Bay, path between 23rd Street and Mariners Drive 9 Comment
  POM78671  Bowlesia incana Albert J. Perkins 1917-4-7 s.n Orange Silverado Canyon, Santa Ana Mts. Comment
  UCR85395  Brachypodium distachyon Sean O'Brien 1995-5-17 s.n. Orange San Joaquin Hills, upper reaches of Buck Gully, just north of Newport Coast Drive. 183 Comment
  RSA678500  Brachypodium distachyon Fred M. Roberts, Robt. Allen, Carol A. Roberts 2003-5-11 5865 Orange Dana Point Headlands: hilltop, 0.6km SSW Richard Henry Dana School south of Pacific Coast Highway and north of Scenic Drive., (UTM: 11S - 04 33 104mE, 37 02 642mN) 73 Comment
  UCR239637  Brassica geniculata Fred M. Roberts 2012-4-24 7505 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
  IRVC1036  Brassica nigra B. Mawdsley 1965-5-8 Orange Mesa Dr. Santa Ana Heights Comment
  RSA0066348  Brassica nigra A. C. Sanders, Fred M. Roberts 2008-3-25 34567 Orange Peninsular Range; Santa Ana Mtns.: Saddle on ridge near head of Weir Canyon, 5.3 miles ENE of Villa Park, 3.1 mi. N of (Santiago Reservoir) Irvine Lake. 405 Comment
  UCR191363  Brassica nigra A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34626 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
  CAS-BOT-BC36765  Brassica rapa Ira L. Wiggins 1965-10-24 20292 Orange On south side of Yorba Linda Boulevard, 0.25 mile east of State College Boulevard, Fullerton. Comment
  CAS-BOT-BC36766  Brassica rapa Ira L. Wiggins 1965-11-3 20315 Orange Just east of California State College campus, Fullerton. Comment
  IRVC1014  Brassica rapa subsp. sylvestris 1965-5-25 Orange Corona del Mar, Begonia Ave. D.C. Newport Beach 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
  RSA561494  Brickellia nevinii Steve Boyd, K. A. Boyd 1992-7-9 7656 Orange Northern Santa Ana Mountains, Upper Tin Mine Canyon along Skyline Road, 1 mile below jct with Main Divide Road Comment
  RSA658595  Brodiaea filifolia David E. Bramlet 2001-5-23 3145 Orange Prima Deshecha landfill. The site is located 671m southwest of the landfill entrance and 46m south of the existing ridgeline access road. 134 Comment
  RSA734664  Bromus carinatus A. C. Sanders, Fred M. Roberts 2008-6-17 35486 Orange 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
  RSA758895  Bromus carinatus A. C. Sanders, Fred M. Roberts 2008-4-22 35025 Orange Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 366 Comment
  CAS-BOT-BC156204  Bromus catharticus John Thomas Howell 1956-3-11 30924 Orange Yorba Linda Comment
  CAS-BOT-BC156205  Bromus catharticus John Thomas Howell 1956-3-11 30922 Orange Yorba Linda. Comment
  CAS-BOT-BC156207  Bromus catharticus John Thomas Howell 1956-3-11 30923 Orange Yorba Linda. Comment
  CAS-BOT-BC156208  Bromus catharticus Ira L. Wiggins 1965-10-18 20275 Orange Curbway at northeast corner of Chapman Avenue and Victor Drive, Fullerton. Comment
  POM202274  Bromus diandrus L. M. Booth 1932-5-12 1014 Orange Newport Bay. Comment
  UCD58824  Bromus hordeaceus B. Pitzer 1996-4-30 2760 Orange Upper Newport Bay: Calif. Dept. Fish and Game Ecological Reserve, off (W of) Jamboree Rd. 6 Comment
  RSA542368  Bromus hordeaceus Fred M. Roberts 1988-4-10 3915 Orange Lomas De Santiago: Loma Ridge, 1.0 kilometer N Bolero Lookout., UTM 37 31 1000m N, 4 39 600m E. 415 Comment
  RSA696603  Bromus hordeaceus Rankin s.n. Orange Santa Ana. Comment
  RSA708447  Bromus hordeaceus Mark Elvin 2004-5-2 3408 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7 km (air) NNW of UC Irvine Campus center. 3 Comment
  RSA735970  Bromus madritensis subsp. madritensis Scott D. White, Justin M. Wood 2008-4-21 11903 Orange Chino Hills State Park, N of 91 freeway, above Yorba Linda. 366 Comment
  UCSB47581  Bromus madritensis subsp. rubens Roberts, Fred 1980-4-3 Orange Along Hwy 74, 0.2 km SW of Orange-Riverside Co. line, 0.4 km NNE Lower San Juan Picnic Ground, San Juan Cyn; Santa Ana Mtns 128 Comment
  RSA696609  Bromus rigidus Rankin s.n. Orange Santa Ana. Comment
  RSA731996  Bromus rubens A. C. Sanders, Fred M. Roberts 2008-4-8 34783 Orange Peninsular Range: Lomas de Santiago, SSE os f Santiago Reservoir on Harding Truck Trail at Dripping Springs Loop, above Limestone Canyon. 475 Comment
  UCR140797  Bromus rubens Robin G. Marushia 2004-5-4 015 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
  RSA734639  Bromus sterilis A. C. Sanders, Fred M. Roberts, Amber O'Neal, David E. Bramlet 2008-5-9 35306 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, along old dirt road c. 1.25 mi. ESE of Walnut Cyn Reservoir. 340 Comment
  RSA737234  Calandrinia breweri R. E. Riefner 2008-3-12 08 -34 Orange Irvine Ranch Reserve, North Irvine Ranch, East Fork of upper Fremont Canyon along Black Star SCE Rd. 716 Comment
  SBBG122652  Calandrinia breweri A. C. Sanders, F. M. Roberts, A. O'Neal 2008-5-9 35314 Orange Weir Cyn, along fire line/bulldozer cut, ca. 1.5 mi E of Walnut Cyn Reservoir 346 Comment
  UCR203902  Calandrinia breweri R. E. Riefner Jr. 2008-5-16 08- 86 Orange Irvine Ranch Reserve, north Irvine Ranch, lower eastern Fremont Canyon area, Lakeview SCE Road 549 Comment
  RSA732079  Calandrinia ciliata A. C. Sanders, Fred M. Roberts 2008-3-25 34548 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR222642  Calandrinia ciliata D. E. Bramlet 2008-4-28 4245 Orange Peninsular Range; Santa Ana Mtns. Foothills, east fork of upper Weir Canyon, 1.2 km east of the main canyon and 91 m west of the upper boundary of Gypsum Canyon 409 Comment
  CAS-BOT-BC438322  Calandrinia ciliata Ira L. Wiggins 1966-3-5 20522 Orange Along Highway S-18 about 2 mi. E. of El Toro. Comment
  SEINET6903103  Calandrinia ciliata Wanda P. Vestal, A. G. Vestal 1955-3-24 s.n. Orange Trabuco Canyon, about 5 miles east of El Toro. Comment
  POM97377  Calandrinia maritima P. A. Munz 1926-4-15 10824 Orange Laguna Beach. Comment
  RSA723963  Callistemon 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; San Diego Creek at SR-73 overpass. 6 Comment
  RSA708813  Callitriche marginata Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6162 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  CAS-BOT-BC140073  Calochortus E. W. Lathrop 1966-3-23 6098 Orange 4 miles NE of Lake Irvine, Black Star Canyon, Cleveland Nat'l. Forest, Trabuco District Comment
  RSA0013958  Calochortus catalinae Fred M. Roberts 2008-5-7 6938 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
  RSA48924  Calochortus catalinae Philip A. Munz 1949-5-26 13379 Orange Head of Sierra [Freemont] Canyon, Santa Ana Mountains. 732 Comment
  RSA734648  Calochortus catalinae A. C. Sanders, Fred M. Roberts 2008-3-25 34568 Orange Peninsular Range; Santa Ana Mtns.: Saddle on ridge near head of Weir Canyon, 5.3 miles ENE of Villa Park, 3.1 mi. N of (Santiago Reservoir) Irvine Lake. 405 Comment
  RSA749314  Calochortus catalinae Fred M. Roberts 2008-3-25 6791 Orange Loma Ridge: Upper Hicks Cyn. near Haul Road, c.a. 4.4 km by road from Portola Pkwy. and 3.2 km ENE Rattlesnake Cyn. Reservoir. 269 Comment
  UCR209385  Calochortus catalinae Fred M. Roberts 2008-3-25 6791 Orange Loma Ridge, Upper Hicks Canyon near Haul Road, c. 4.4 km by road from Portola Parkway, and 3.2 km east northeast Rattlesnake Canyon Reservoir 269 Comment
  POM17811  Calochortus invenustus Philip A. Munz, D. D. Keck 1923-6-14 7093 Orange Santiago peak, Santa Ana Mountains. 1616 Comment
Read comments
Apr 1 2013
  RSA786593  Calochortus invenustus Doris Bowers 1971-4-19 1692 Orange Black Star Canyon Indian Site 762 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
  UCR52320  Calochortus splendens R. Ascanio 1988-5-25 s.n. Orange Hwy 74 c. 5 mi east of San Juan Capistrano 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
  RSA132250  Calochortus splendens Gale Sphon 1959-5-2 325 Orange Between Upper and Lower San Juan Camps, Cleveland National Forest. Comment
  RSA68629  Calochortus splendens Frank W. Peirson 1923-5-5 4097 Orange Divide 1 mile east of El Modena. Comment
  SEINET7067520  Calochortus striatus A. G. Vestal 1947-6-12 s.n. Orange Along a tributary of Arroyo Trabuco. Trabuco Creek. Coordinate datum: NAD27. UTM Zone 11, 444413mE, 3723361mN. Comment
  SEINET7067516  Calochortus weedii A. G. Vestal 1947-6-12 s.n. Orange San Juan Canyon. Coordinate datum: NAD27. UTM Zone 11, 448887mE, 3712881mN. Comment
  UC1294007  Calochortus weedii E. K. Balls 1958-6-27 23278 Orange 2.8 mi e Silverado Station; Santa Ana Mts., Silverado Canyon 731 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
  RSA0013583  Calochortus weedii var. intermedius D. E. Bramlet 2008-5-22 4281 Orange Bee Cyn. Bowerman landfill site. 375m S of the Bee canyon access road. & 350m W of the active landfill. Comment
  RSA0065926  Calochortus weedii var. intermedius Allison D. Rudalevige, Jennifer S. Pareti 2015-5-11 ADR 12 Orange Bee Canyon. 259 Comment
  RSA588981  Calochortus weedii var. intermedius D. E. Bramlet 1994-6-2 2381 Orange San Joaquin Hills. Ridgeline above ''Act V'' Canyon, 910m west of Laguna Canyon Road (S. of Laguna Bend area) and 457 m south of the intersection w/ the access road to Boat Canyon., The site is found adjacent to the dirt access road on an east-facing slope in the upper portion of the canyon 240 Comment
  RSA588986  Calochortus weedii var. intermedius D. E. Bramlet 1994-6-23 2390 Orange San Joaquin Hills. On ridgetop above Upper Shady Canyon. The site is located 640 m N of the Shady-Camarillo Cyn. Road junction and 1.5 km West of Laguna Cyn. Road. 232 Comment
  RSA690971  Calochortus weedii var. intermedius Scott D. White, Michael Honer 2003-5-29 9427 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
  RSA773550  Calochortus weedii var. intermedius Fred M. Roberts, Robert Allen, Ron Parsons, Mary Gerritsen 2008-6-8 7034 Orange Lomas de Santiago: Loma Ridge, West Loma Ridge Road at Calochortus Ridge, 2.5 km NNW Bee Peak. Irvine Ranch Conservancy 393 Comment
  SEINET7067528  Calochortus weedii var. intermedius A. G. Vestal 1947-6-12 s.n. Orange Between Aliso Creek and Trabuco Canyon on Little Oak Canyon Road. Coordinate datum: NAD27. UTM Zone 11, 444335mE, 3727266mN. Comment
  UCR132986  Calochortus weedii var. intermedius Adrian Wolf 2000-6-22 470 Orange Santa Ana Mtns., North Ranch Policy Plan Area, East access road, Black Star Canyon 610 Comment
  JEPS61770  Calochortus weedii var. weedii John Thomas Howell 1927-6-22 2572 Orange Rancho Santa Ana Santa Ana Canyon 152 Comment
  UCR132888  Calochortus weedii var. weedii Adrian Wolf 2000-6-20 464 Orange Santa Ana Mtns., North Ranch Policy Plan Area, 0.62 km NNW of mouth of Black Star Canyon 305 Comment
  RSA747706  Calycadenia tenella Fred M. Roberts 2008-5-16 6984 Orange Dana Point: Dana Point Hradland, CNLM Preserve, north of Marguerita Drive, 0.5 km WNW Marine Institute, Dana Point Harbor. 75 Comment
  RSA255489  Calycadenia tenella Gerald D. Carr 1971-7-14 585 Orange 2.5 mi NE of San Juan Capistrano on Hwy 74 69 Comment
  RSA734022  Calystegia macrostegia A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34616 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir. 366 Comment
  RSA598972  Calystegia macrostegia subsp. arida Scott D. White 1997-3-28 4843 Orange Above Modjeska Canyon, proposed water tank site. 425 Comment
  RSA0126614  Calystegia macrostegia subsp. cyclostegia Fred M. Roberts 2012-4-27 7537 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
  UCR7767  Calystegia macrostegia subsp. cyclostegia Art Dawson 1968-5-4 s.n. Orange South Coast/Santa Ana Mtns. Foothills, Rancho Mission Viejo, Ortega Hwy near San Juan Capistrano, 0.5 mi. east of Gobernadora Canyon 91 Comment
  RSA2064  Calystegia macrostegia subsp. intermedia C. B. Wolf 1931-3-6 1865 Orange 2 mi. from Orange Co. Park on the road to Anaheim. 152 Comment
  RSA653182  Calystegia macrostegia subsp. intermedia David Barrios 1991-5-1 15 Orange Yorba Linda, 1500 ft. northwest of Fairmont Ave and Quail Circle., (117 deg. 45' 00'' +4 28 / 33 deg. 52' 37'' + 37 51.5). 366 Comment
  SD181588  Calystegia occidentalis subsp. fulcrata Valerie Soza, LeRoy Gross 1999-6-7 488 Orange Santa Ana Mountains, west side of Modjeska Peak, along Main Divide Road. Open west-facing steep slope, on upper side of dirt road. 1448 Comment
  RSA71116  Calystegia sepium subsp. limnophila F. W. Peirson 1926-9-26 7086 Orange Wintersberg. Near to sea level. 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
  RSA17267  Calystegia soldanella C. B. Wolf 1936-7-8 2600 Orange Mouth of Santa Ana River. 3 Comment
  UCR190975  Camissonia californica A. C. Sanders, Fred M. Roberts 2008-4-22 35002 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon haul road, just above Irvine Ranch gate and road to cement plant, c. 1 mile NE of Rattlesnake Reservoir 244 Comment
  RSA698259  Camissonia cheiranthifolia subsp. suffruticosa Unspecified 1927-3-16 s.n. Orange Newport Bluff. Comment
  UCR203990  Camissonia cheiranthifolia subsp. suffruticosa Fred M. Roberts 2008-3-12 6737 Orange South Coast, Dana Point Headlands Center for Natural Lands Mgmt. Preserve, west side, c. 0.8 km west of Marine Institute, Dana Point Harbor 50 Comment
  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
  RSA794325  Camissonia robusta Justin M. Wood 2010-3-31 1442 Orange [Santa Ana Canyon:] Santa Ana River floodplain, 0.25 miles north of Coal Canyon wildlife corrridor, west of Green River Golf Course on bluff south of the river. 122 Comment
  UCR237914  Camissoniopsis bistorta Dick Newell, Don Millar 2012-6-5 270 Orange Peninsular Range; Santa Ana Mtns., Loma Ridge East, 0.35 mi. due east of Hicks Haul Rd. 411 Comment
  JEPS31488  Camissoniopsis cheiranthifolia subsp. suffruticosa L. M. Booth 1932-5-25 1114 Orange Balboa Island Newport Bay Comment
  UC422961  Camissoniopsis cheiranthifolia subsp. suffruticosa D. L. Crawford 742 Orange Aliso Pt. Laguna Beach Region (shore cliffs) Comment
  CAS-BOT-BC37129  Capsella bursa-pastoris Ira L. Wiggins 1966-3-22 20543 Orange Near bottom of Silverado Canyon, near end of road about 5 miles above Ranger Station, Cleveland National Forest. Comment
  IRVC29088  Capsella bursa-pastoris Fred M. Roberts 1989-3-17 4203 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  CAS-BOT-BC37592  Cardamine californica C. B. Wolf 1931-1-30 1826 Orange Santa Ana Mountains. Claymine Canyon. 304 Comment
  HSC94252  Cardionema ramosissimum D. Atwood 1993-3-27 17689 Orange Corona Del Mar State Park along Newport Coast Drive. 0 Comment
  POM202106  Cardionema ramosissimum L. M. Booth 1932-5-24 1093 Orange West Side of Newport Lagoon. Comment
  RSA747710  Cardionema ramosissimum Fred M. Roberts 2008-4-16 6913 Orange Dana Point: Dana Point Headlands, CNLM Preserve, 0.8 km W Marine Institute, Dana Point Harbor. 60 Comment
  UCR215305  Cardionema ramosissimum Fred M. Roberts, Eliza L. Maher 2008-3-26 6794 Orange South Coast, Dana Point; Dana Point Headlands, Center for Natural Lands Mgmt. Preserve, 0.8 km west of Marine Institute, Dana Point Harbor 60 Comment
  UCSB48057  Cardionema ramosissimum Fritzke, S.; Roberts, Fred 1982-4-3 Orange Dana Point Headlands: north of Dana Strand Road; 0.5 km. W Dana Point Harbor; 0.8 km. SSW Richard Henry Dana School 80 Comment
  CAS-BOT-BC282975  Carduus pycnocephalus Steve Boyd; Tim Ross 1992-5-19 7427 Orange S Santa Ana Mountains, San Mateo Canyon Wilderness Area. W edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon 457 Comment
  UCR52601  Carduus pycnocephalus Jeri Hirshberg 1988-6-7 s.n. Orange Santa Ana Mountains, Santa Ana Mountains 275 Comment
  IRVC22650  Carduus tenuiflorus H. Camp 1986-4-24 7 Orange Bell Canyon, 1.4km NW Visitor Center, Casper's Regional Park 126 Comment
  RSA653213  Carduus tenuiflorus David Barrios 1991-5-8 31 Orange 1500 ft. Northwest of Fairmont Ave and Quail cir. 365 Comment
  UCR210292  Carex A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37193 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hangmans Tree Canyon 379 Comment
  CAS-BOT-BC118483  Carex praegracilis Helen D. Geis 1902-1-1 505 Orange Unspecified Comment
  RSA76  Carex praegracilis J. T. Howell 1928-4-7 904 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  UCD96837  Carpobrotus chilensis Gordon Pilone 1961-3-14 110 Orange Little Corona Del Mar. 30 Comment
  RSA234504  Carpobrotus edulis James Henrickson 1970-7-24 4984 Orange 1.5 miles NW of Huntington Beach along NW facing base of Huntington Beach Mesa bordering Bolsa Chica Salt Marsh. 3 Comment
  RSA264581  Castilleja affinis C. W. Tilforth, Dorothy Tilforth 1977-6-3 1259 Orange Large wash west of Weir Canyon, c. 10 mi. w. of Corona, south side of Santa Ana River. 152 Comment
  RSA0012751  Castilleja affinis subsp. affinis Fred M. Roberts 2012-5-10 7576 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
  UCD170069  Castilleja affinis subsp. affinis R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49649 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 227 Comment
  RSA743515  Castilleja exserta subsp. exserta Fred M. Roberts 2008-4-9 6866 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 2, 0.7 km W Marine Institute (Dana Point Harbor). 52 Comment
  UCR209355  Castilleja exserta subsp. exserta Fred M. Roberts 2008-4-8 6848 Orange Lomas de Santiago, Loma Ridge, Upper Dripping Springs Cnyn, 1.0 km northeast of Bee Peak, Irvine Ranch Conservancy 458 Comment
  UCR256945  Castilleja exserta subsp. exserta Naomi Fraga 2009-5-11 2717 Orange Santa Ana Mountains, Cleveland National Forest, San Juan Loop Trail just west of Sugarloaf Spur Trail 912 Comment
  RSA400601  Castilleja foliolosa P. A. Munz, R. D. Harwood 1920-4-24 3745 Orange Sierra [Freemont] Canyon, Santa Ana Mts. 366 Comment
Read comments
Sep 25 2011
  IRVC24790  Caulanthus lasiophyllus Karlin G. Marsh 1989-3-4 Orange Lomas Ridge, ridge between Hicks and Rattlesnake Canyons. Lomas de Santiago 210 Comment
  RSA67770  Ceanothus crassifolius G. R. Campbell 1951-3-30 16093 Orange San Juan Canyon, Ortega Hwy, 4 mi. inside west edge of Cleveland National Forest. 152 Comment
  UCR246520  Ceanothus crassifolius Fred M. Roberts, Sandra L. Leatherman 2013-2-13 7721 Orange Santa Ana Mountains, ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km southeast of the town of Modjeska 800 Comment
  UC1070733  Ceanothus integerrimus A. Lewis 1934-5-1 420 Orange Trabuco Elsinore quad., Cleveland National Forest 1341 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
  RSA548859  Ceanothus megacarpus var. megacarpus Fred M. Roberts 1988-3-9 3840 Orange Aliso-Wood Canyons regional Park: Niguel Hill, Seaview Park, 1.0km ENE Aliso Peak. 273 Comment
  RSA801987A  Ceanothus megacarpus var. megacarpus R. H. McArthur 1934-2-17 s.n. Orange Gypsum Canyon. Comment
  UCSB31584  Ceanothus oliganthus var. oliganthus Proctor, Donald 1962-3-18 Orange Silverado canyon, Santa Ana Mts. 944 Comment
  CAS-BOT-BC63561  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1941-8-15 11158 Orange Santa Ana Mts. along main divide motorway just no. of head of Trabuco truck trail. 1219 Comment
  UC1071228  Ceanothus papillosus R. St. John 1931-2-24 187 Orange Los Pinos Peak Elsinore Quad. 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
  CAS-BOT-BC53007  Ceanothus spinosus Carl B. Wolf 1936-6-17 7950 Orange Santa Ana Mts., along Ortega Highway, San Juan Canyon, 2/10 mi. W. of Riverside Co. line 274 Comment
  POM305816  Ceanothus spinosus Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1043 Orange Capistrano Canyon. Comment
Read comments
Dec 17 2011
  SDSU10426  Ceanothus spinosus D. F. Howe 1947-4-4 1545 Orange Santa Ana Mtns. Comment
  RSA3170  Ceanothus tomentosus subsp. olivaceus Carl B. Wolf 1932-3-8 2693 Orange Santiago Creek, 1 mil. E. Villa Park, W. base Santa Ana Mts. 152 Comment
  UCR217287  Ceanothus tomentosus subsp. olivaceus Mark A. Elvin, Laura Soloro, Adam Sriro 2003-1-10 2214 Orange Peninsular Range; Santa Ana Mtns., c. 1.6 mi. west of Sierra Peak along road to powerlines, near Claymont Clay Mine 457 Comment
  CAS-BOT-BC63297  Ceanothus tomentosus var. olivaceus Carl B. Wolf 1932-3-8 2693 Orange W. base of Santa Ana Mts., Santiago Creek, 1 mi. e. of Villa Park. 152 Comment
  RSA697730  Cenchrus spinifex J. Vlahos 1933-10-5 s.n. Orange Santa Ana River Bed by 17th St. bridge. Comment
  RSA562805  Centaurea melitensis Steve Boyd, Timothy S. Ross 1992-5-20 7477 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
Read comments
Apr 29 2008
  RSA735173  Centaurea melitensis A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35276 Orange Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir. 300 Comment
  SEINET179460  Centaurea melitensis L. M. Booth 1932-5-26 1117 Orange Newport Bay Comment
  RSA184117  Centaurea melitensis I. L. Wiggins 1966-5-25 20663 Orange Along Nutwood Lane S margin of campus of CSCF, Fullerton Comment
  RSA226629  Centaurea melitensis Christopher Davidson, Gerald L. Benny 1971-6-15 1549 Orange Brea Canyon, 0.5 mi. N of Central Ave, along Brea Cr, near bridge. Comment
  UCR63990  Centranthus ruber S. J. Myers 1989-5-4 s.n. Orange Peninsular Range; Santa Ana Mtns., along stream in Hot Spring Canyon, 1.2 mi north of Ortega Hwy (Hwy 74) Comment
  JEPS38139  Centromadia parryi subsp. australis L. M. Booth 1933-10-18 Orange Newport Comment
  JEPS3954  Cephalaria syriaca M. Alice King 1908-4-15 Orange Santa Ana, Walnut Grove Walnut Grove; Santa Ana, Walnut Grove Comment
  UCR191015  Cerastium glomeratum A. C. Sanders, Fred M. Roberts 2008-4-22 35032 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  UCSB72266  Cerastium glomeratum Roberts, Fred 1980-5-3 Orange Santa Ana Mtns.; San Juan Canyon, near mouth of Viejo Cyn.: below Rte. 74; 2.5 km. by road ENE San Juan Guard Station; 0.5 km. WSW Bm 1100 288 Comment
  RSA660285  Cercocarpus betuloides Orlando Mistretta 1992-6-2 452 Orange Vicinity of Sierra Peak. (Historical Locality). On old roadcut heading down to power lines at 2280'. Comment
  SD143757  Cercocarpus betuloides Scott D. White 1997-3-28 4827 Orange Santa Ana Mts: Above Modjeska Canyon: Proposed water tank site 424 Comment
  SBBG2894  Cercocarpus betuloides var. betuloides H. and M. Dearing 1937-3-12 Orange Santa Ana Cyn Comment
  IRVC23289  Chaenactis artemisiifolia Fred M. Roberts, K. G. Marsh 1985-7-18 2053 Orange Temple Hill, Goff Ridge, 0.9km NE Goff Island off Nye Place Laguna Beach 168 Comment
  RSA443827  Chaenactis artemisiifolia Gordon Marsh, Karlin G. Marsh 1978-5-20 s.n. Orange Coal Canyon; W slope of main canyon near center of acreage Comment
  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
  RSA695494  Chaenactis glabriuscula Minor Warne 1934-4-28 s.n. Orange Ladd Canyon-Santa Ana Mts Comment
  SD144055  Chaenactis glabriuscula Scott D. White 1997-3-28 4852 Orange Above Modjeska Canyon: Proposed water tank site. 424 Comment
  UCR191239  Chaenactis glabriuscula A. C. Sanders, Fred M. Roberts 2008-4-22 34989 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
  POM351782  Chaenactis glabriuscula var. glabriuscula F. R. Fosberg 1931-6-21 5099 Orange Silverado Canyon. Santa Anita Mts. Comment
  UC718397  Chaenactis glabriuscula var. glabriuscula P. C. Everett 1935-5-17 Orange 7/8 mi e of Atwood (s side of Santa Fe Railroad tracks) 152 Comment
  RSA13106  Chaenactis glabriuscula var. lanosa Percy C. Everett 1935-5-17 6865 Orange Atwood, 7/8 miles E. S side of Santa Fe R. R tracks 152 Comment
  RSA435978  Chamaesyce albomarginata Josephine Derigo 1941-7-17 s.n. Orange Anaheim. Comment
  RSA600260  Chamaesyce albomarginata L. C. Wheeler 1947-5-4 6478 Orange 1/2 mi. southwest of Peralta Hills, at Jefferson St. and Santa Ana Canyon Rd. Comment
  POM2858  Chamaesyce polycarpa var. polycarpa D. L. Crawford s.n. Orange Aliso Pt. (Laguna Beach region) Comment
  RSA3130  Chamaesyce polycarpa var. polycarpa C. B. Wolf 1932-2-15 s.n. Orange Rancho Santa Ana Botanic Garden. 183 Comment
  RSA70402  Chamaesyce serpillifolia F. W. Peirson 1924-10-19 5236 Orange Wintersberg Comment
  IRVC846  Chamomilla suaveolens C. Weir 1965-4-17 Orange Newport Beach; Balboa Island. Southern Coastal Comment
  RSA685788  Cheilanthes J. F. James 1879-4-11 212 Orange San Juan Capistrano Comment
Read comments
Nov 22 2013
  RSA685682  Cheilanthes clevelandii Norman C. Cooper 1944-6-4 1339 Orange San Juan Canyon, lower camp ground. 457 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
  CAS-BOT-BC426293  Chenopodium album Ira L. Wiggins 1966-5-25 20664 Orange Parkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton Comment
  UCR197682  Chenopodium album A. C. Sanders, Fred M. Roberts 2008-9-18 36065 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  RSA184162  Chenopodium album I. L. Wiggins 1966-5-25 20664 Orange Parkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton. Comment
  RSA696210  Chenopodium album Keith E. Hoffmaster 1927-5-18 s.n. Orange Santa Ana. Comment
  JEPS59701  Chenopodium ambrosioides L. M. Booth 1932-7-25 1312 Orange Coastal Santa Ana River Comment
  RSA423400  Chenopodium ambrosioides F. R. Fosberg 1930-7-10 S 3175 Orange Anaheim Landing. [Los Angeles Co. on label] 2 Comment
  POM6868  Chenopodium ambrosioides P. A. Munz 1919-2-15 2281 Orange Montebello, along Rio Hondo. Comment
  RSA423411  Chenopodium ambrosioides Albert J. Perkins 1923-6-17 s.n. Orange Sycamore St., Santa Ana. Comment
  UCR191007  Chenopodium californicum A. C. Sanders, Fred M. Roberts 2008-4-22 35022 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 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
  UCR112949  Chenopodium macrospermum B. G. Pitzer 1996-4-30 2785 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  RSA234486  Chenopodium macrospermum var. farinosum James Henrickson 1970-9-5 5332 Orange 3 miles NW of Huntinton Beach, at southern margin of Bolsa Chica Mesa. 0 Comment
  IRVC27496  Chenopodium murale Mark A. Elvin 2004-5-2 3403 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7km (air) NNW UC Irvine campus center. Southern Coastal 3 Comment
  JEPS59755  Chenopodium murale L. M. Booth 1932-6-9 1175 Orange Coastal Santa Ana River Basin Comment
  RSA731958  Chenopodium murale Fred M. Roberts, Sandy Leatherman 2007-11-27 6698 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  POM262154  Chenopodium murale L. M. Booth 1932-6-9 1175 Orange Santa Ana River, 1 mile from ocean. Comment
  RSA64787  Chenopodium murale F. W. Peirson 1924-2-10 5271 Orange Corona Del Mar. Comment
  CDA32185  Chenopodium strictum var. glaucophyllum T. McCrainie, Mark A. Elvin 2006-9-23 3 Orange Southern Coastal; San Joaquin Marsh Freshwater Marsh, UC Natural Reserve; southwest edge, along San Diego Creek, north of University Drive, east of Highway 73. Comment
  RSA7043  Chlorogalum pomeridianum Carl B. Wolf 1932-7-2 3828 Orange Carbon Canyon, 0.5 mile above La Vida Springs. 244 Comment
  UC1618060  Chorizanthe Donald G. Nelson 1935-6-22 325 Orange Corona del Mar Comment
  RSA562821  Chorizanthe fimbriata Steve Boyd, Tim S. Ross 1992-5-20 7474 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
  UCR79271  Chorizanthe fimbriata Steve Boyd, T. S. Ross 1992-5-19 7423 Orange Santa Ana Mtns., San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) north into Aliso Canyon 457 Comment
  RSA678497  Chorizanthe procumbens Fred M. Roberts, Robert L. Allen, Carol Roberts 2003-5-11 5845 Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive. 76 Comment
  CAS-BOT-BC255250  Chorizanthe staticoides Le Roy Abrams 1901-6-1 1807 Orange Mt. Santiago 914 Comment
  CLARK-A1528-3607  Chorizanthe staticoides John C. Roos 1937-5-21 1804 Orange Lemon Heights Comment
  POM293154  Chorizanthe staticoides Lyman Benson 1946-5-13 12094 Orange Corona del Mar, Pacfic Ocean drainage area 15 Comment
  POM293159  Chorizanthe staticoides Lyman Benson 1946-4-27 12049 Orange Corona Del Mar; Drainage area: Pacific Ocean. 15 Comment
  RSA539353  Chorizanthe staticoides Fred M. Roberts, Carol A. Roberts 1988-6-2 4041 Orange Silverado Canyon, Maple Springs Truck Trail, 4.3 km above gate., 1.0km WSW Bald Pk. 825 Comment
  RSA588786  Chorizanthe staticoides Fred M. Roberts, Kathy Keane 1990-4-18 4576 Orange Rancho Mission Viejo: Chiquita Rdge, west of Canada Chiquita, 2.0 km N Median Rancho Survey Marker 152 Comment
  RSA65193  Chorizanthe staticoides F. W. Peirson 1924-5-31 4644 Orange Sea bluffs at Laguna Beach. Comment
  RSA749998  Chorizanthe staticoides A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35328 Orange Weir Canyon, 0.3 mi. west of Eastern Transportation Corridor (Hwy 241) and 1.45 mi. east of south end of Walnut Canyon Reservoir 335 Comment
  UCR100460  Chrysanthemum coronarium B. G. Pitzer 1996-4-30 2763 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  UCR217464  Chrysanthemum coronarium Mark A. Elvin 2003-2-23 2311 Orange South Coast, Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  UCR261694  Chrysanthemum coronarium Dick Newell, Don Millar, Judy Booth 2015-4-15 401 Orange South Coast, city of Newport Beach, North Star Beach, 90 yards NE of Newport Aquatic Center bulding 3 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
  IRVC19481  Chrysothamnus nauseosus Karlin G. Marsh 1982-7-27 Orange Coal Canyon, west slope at mouth of canyon; in grassland. Santa Ana Mountains Comment
  RSA818  Cichorium intybus J. T. Howell 1927-10-29 786 Orange Bryant Ranch near Long Beach. 15 Comment
  UC1598731  Cicuta maculata var. bolanderi Lawrence M. Booth 1932-7-29 1333 Orange Newport Lagoon Comment
  CDA1068  Cirsium arvense Ahelfeld 1957-9-4 s.n. Orange 0 Comment
  UCD130550  Cirsium arvense P. B. Kennedy 1924-2-13 s.n. Orange Huntington Beach District. Comment
  RSA721124  Cirsium californicum Minor Warne 1934-5-19 s.n. Orange Trabuco. Comment
  CLARK-A1528-1094  Cirsium occidentale Michelle Loef 1973-5-25 250573-2 Orange 91 Comment
  RSA0070676  Cirsium occidentale var. californicum R. D. Goeden, D. W. Ricker 1965-6-21 s.n. Orange Pacific Coast: Dana Point. 76 Comment
  POM202373  Cirsium occidentale var. occidentale L. M. Booth 1932-6-7 1165 Orange Newport Lagoon. Comment
  RSA0013962  Cistanthe monandra Fred M. Roberts, David E. Bramlet 2008-5-13 6954 Orange Upper Weir Cyn., central fork, 3.5 km NE Roberst Peak 369 Comment
  CAS-BOT-BC172418  Clarkia bottae Steve Boyd; Tim Ross 1992-5-19 7441 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon from crossing of creek by Lucas Canyon Trail, downstream to confluence with aliso Canyon. 335 Comment
  CAS-BOT-BC172420  Clarkia bottae John Thomas Howell 1927-6-17 2550 Orange Hills on north side of Santa Ana Canyon 152 Comment
  RSA0059997  Clarkia bottae Karl Price 1988-5-21 48 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
  RSA789218  Clarkia purpurea subsp. quadrivulnera Naomi S. Fraga, Duncan S. Bell 2009-5-11 2724 Orange Chiquita Trail 762 Comment
  CAS-BOT-BC172351  Clarkia purpurea subsp. viminea Munz; Street; Williams 1919-5-3 2669 Orange Santa Ana River Canyon Comment
  RSA448336  Clarkia rhomboidea Albert J. Perkins 1914-6-14 s.n. Orange Santiago Peak trail Comment
  UCR224163  Claytonia parviflora subsp. parviflora Fred M. Roberts 2008-3-19 6779 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
  HSC17702  Claytonia perfoliata subsp. mexicana S. M. Clapp 1966-4-10 35 Orange 10 mi. into Silverado Canyon 183 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
  RSA638959  Claytonia perfoliata subsp. perfoliata Valerie L. Soza, LeRoy Gross 1999-6-7 487 Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  RSA16489  Clematis lasiantha Percy C. Everett 1935-6-18 7218 Orange Santa Ana Mts: Summit of Santiago Peak. 1732 Comment
  RSA700034  Clematis lasiantha R. H. McArthur 1934-4-28 s.n. Orange Ladd Canyon Comment
  UCSB29146  Clematis lasiantha Copp, Joseph 1962-3-9 Orange San Juan Can; Calif. 74; 8.8 rd. mi. northeast of US 101 Comment
  POM183958  Cleome isomeris P. A. Munz 1932-3-29 12188 Orange Costa Mesa. Comment
  POM2489  Cleome isomeris P. A. Munz 1918-5-5 2188 Orange Laguna Beach. Comment
  POM49164  Cneoridium dumosum I. M. Johnston 1924-7-10 s.n. Orange 1/2 mi. S. of Aliso Canyon. Comment
  RSA449086  Cneoridium dumosum Albert J. Perkins 1921-3-15 s.n. Orange Laguna Heights, hill S.W. of oil well. Comment
  UCR166704  Cneoridium dumosum Scott D. White, Jennifer H. Jones 2005-3-31 10853 Orange South Coast, City of Laguna Beach. 549 Nyes Place. Proposed home site on c. 0.5 acre. 91 Comment
  SEINET1908696  Collinsia concolor A. C. Sanders, Fred M. Roberts 2008-1 35026 Orange Peninsular Range; Santa Ana Mtns: Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 366 Comment
  UCR86994  Collinsia concolor B. G. Pitzer, Stu Hemstreet 1992-5-27 1954 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
  RSA542502  Collinsia heterophylla Bernard Jaroslow 1989-5-29 B- 28 Orange Above upper Santiago Creek. Comment
  RSA649085  Collinsia heterophylla Karl Price 1988-4-29 12 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
  RSA0029945  Comarostaphylis diversifolia subsp. diversifolia Fred M. Roberts, Sandra Leatherman 2013-2-13 7719 Orange Santa Ana Mountains: Ridge south of central Santiago Canyon, near Joplin Trail, 3.7 km SE Modjeska (town). 792 Comment
  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
  IRVC23323  Conium maculatum Fred M. Roberts 1985-7-23 2078 Orange Irvine; San Diego Creek at Jeffrey Rd. bridge. Southern Coastal 35 Comment
  POM306305  Conium maculatum Henry J. Ramsey, Henry J. Ramsey 1938-6-5 1391 Orange Laguna Beach, Irvine Comment
  SEINET8584808 Image available Conium maculatum T. C. Arambula 1966-1 53 Orange Brea, Carbon Canyon Rd Comment
  RSA184179  Conium maculatum I. L. Wiggins 1966-5-11 20661 Orange Carbon Canyon about 1 mile above its mouth. Comment
  IRVC963  Convolvulus arvensis J. Morgan 1965-3-12 Orange Corona del Mar High School. Newport Beach Comment
  RSA573293  Convolvulus arvensis Steve Boyd, Timothy S. Ross, Bob Boyd 1994-9-14 8350 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon trail at stream crossing in Lucas Canyon. 317 Comment
  RSA697150  Convolvulus arvensis Anonymous s.n. Orange Santa Ana Comment
  POM201740  Conyza bonariensis L. M. Booth 1932-6-9 1181 Orange Newport Bay Comment
  RSA703881  Conyza canadensis Fred M. Roberts, David E. Bramlet 2004-11-5 6078 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary to Cristianitos Cyn., 0.14 km NNW Sycamore Gate and 0.10 km W Cristianitos Rd. 110 Comment
  RSA749046  Conyza canadensis A. C. Sanders, Fred M. Roberts 2008-8-7 36008 Orange Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
Read comments
Dec 21 2010
  CDA23616  Conyza coulteri T. McCrainie, Mark A. Elvin 2006-9-23 9 Orange Southern Coastal; Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives, 1.7 km (air) north-northwest of UC Irvine campus center. Comment
  IRVC29835  Conyza coulteri Tom McCrainie, Mark A. Elvin 2006-9-23 9 Orange Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7km (air) NNW UC Irvine campus center. Southern Coastal 3 Comment
  UCR241916  Conyza coulteri Fred M. Roberts, Lee Ann Caranza 2009-9-23 7162 Orange Southern Coastal Plain, Dana Point, Dana Point Headlands, CNLM Dana Point Preserve, old Marguerite Road bed just west of the Nature Center and just east of the terminus of Dana Strands Road, 0.7 km west pier, Dana Point Harbor 73 Comment
  UCR80037  Conyza coulteri Scott D. White 1992-10-20 970 Orange Vicinity of city of Brea, Immediately north of Carbon Canyon Rd & east of Placentia Avenue +-1mi (air) SSEof Tonner Canyon. 183 Comment
  RSA735162  Conyza floribunda A. C. Sanders, Fred M. Roberts 2008-5-6 35210 -B Orange Lomas de Santiago, lower Hicks Canyon near Irvine Ranch gate and road junction to cement plant 180 Comment
  CHSC22354  Cordylanthus maritimus Robert A. Schlising 1972-5-1 3017 Orange Upper Newport Bay, east of Costa Mesa; saltmarsh along Bayside Drive. Comment
  SEINET4675783  Cordylanthus maritimus Robert F. Thorne 1975-1 Orange Comment
  RSA712  Cordylanthus rigidus subsp. setiger J. T. Howell 1927-6-26 218 Orange Claymine Canyon near Sierra Peak 366 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
  UCR195010  Coreopsis tinctoria A. C. Sanders, Fred M. Roberts 2008-8-7 35981 Orange Peninsular Range; Santa Ana Mtns., lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate 192 Comment
  UC1119252  Corethrogyne filaginifolia A. Lewis 1934-4-1 402 Orange Arroyo Trabuco Corona Quadrangle Comment
  JEPS14133  Coriandrum sativum Alice King March 1908 Orange Anaheim Comment
  UCD59799  Cortaderia selloana A. C. Sanders 1990-10-6 10196 Orange Newport Bay, North Star County Beach area on the southwest end of the bay, ca. 2 km inland of Hwy. 1. 1 Comment
  IRVC630  Cotula australis M. Cadnum 1965-4-21 Orange Maple Street. Costa Mesa Comment
  RSA731928  Cotula australis Fred M. Roberts, Sandra Leatherman 2007-11-27 6682 Orange Yorba Linda: drainage channel on east side of Amberdale Dr. ca. 0.3 km S Fairmont Blvd. 118 Comment
  UCR193758  Cotula australis A. C. Sanders, Fred M. Roberts 2008-7-3 35712 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Weir Canyon Rd. 1.2 mi. SSE of Walnut Canyon Reservoir, below Upper Blind Canyon Rd. 212 Comment
  CAS-BOT-BC287223  Cotula australis C. L. Hitchcock; C. V. Muhlick 1964-3-17 23067 Orange 8 miles E of Yorba Linda, Santa Ana Canyon Comment
  SD227735  Cotula coronopifolia Scott D. White, Brian Leatherman 1997-6-12 5335 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
  RSA2085  Crassula connata C. B. Wolf 1931-3-6 s.n. Orange Trabuco canyon, 1/2 mile above Trabuco Oaks, west slope of Santa Ana Mountains. 457 Comment
  RSA699758  Crassula connata Fred M. Roberts, D. E. Bramlet 2003-5-15 5867 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, tributary to Cristianitos Cyn., 1.68km SW Gato Gate and .24km NW of SDG&E substation. 116 Comment
  RSA773507  Crassula connata Fred M. Roberts 1999-5-14 5227 Orange Lomas de Santiago: Loma Ridge, Upper Limestone Canyon, 0.7 km NW Bolero Spring and 2.6 km SW Silverado School 490 Comment
  UC1543003  Crassula connata Donald G. Nelson 1935-4-14 272 Orange between ocean and bay Newport Beach (in front of Pacific Electric Railway Station) Comment
  UCR191443  Crassula connata A. C. Sanders, Fred M. Roberts 2008-4-8 34725 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, head of Hicks Canyon, S of Santiago Reservoir 351 Comment
  UCR237833  Crassula connata Mark A. Elvin 2003-2-2 2260 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  UCR5169  Crassula connata Barbara T. Gittins, O. F. Clarke 1966-3-19 890 Orange Pacific slope, Irvine Ranch, east of University of California Irvine campus, Newport Beach 91 Comment
  RSA254940  Cressa truxillensis C. W. Tilforth 1975-9-6 1043 Orange Northeast shoreline of Upper Bay, Newport Beach. Comment
  RSA71016  Cressa truxillensis F. W. Peirson 1924-5-31 4647 Orange Laguna Canyon, near Laguna Beach. 106 Comment
  UC277057  Cressa truxillensis D. L. Crawford Jul 1 1900-Aug 1 1900 Orange Laguna Beach Region Comment
  RSA5240  Cressa truxillensis C. B. Wolf 1932-9-13 4028 Orange Edge of field So. of Bryant Ave., 1/2 mi. W of Los Alamitos Blvd. 8 Comment
  JEPS31071  Crocanthemum scoparium var. vulgare J. C. Aven 1931-6-30 Orange hill near Modjeska Home (10 mi e of El Toro) 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
  CHSC37637  Croton setiger T. B. Devine 1981-7-30 734 Orange Santiago Canyon Road, 1/4 mi W of its junction with Williams Canyon Road. 350 Comment
  RSA715703  Croton setiger Fred M. Roberts, Robert L. Allen 2005-10-15 6314 Orange entrance to Falcon Group Camp, 2.1km ESE Los Pinos Peak and 0.3km NE campground. 1008 Comment
  UCR191234  Croton setiger A. C. Sanders, Fred M. Roberts 2008-4-22 34984 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
  UCR193350  Croton setiger A. C. Sanders 2008-5-28 35439 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  SEINET10453718  Croton setiger Charlene A. Bennett 1976-7-20 Bennett 427 Orange Collected along Crown Valley Parkway, 1 mi SW of I-5. 30 Comment
  CAS-BOT-BC189255  Cryptantha Helen D. Geis 1902-1-1 515 Orange Unspecified Comment
  RSA798545  Cryptantha clevelandii R. F. Thorne, E. W. Lathrop 1977-5-18 49747 Orange Santa Ana Mountains: summit of Santiago Peak 1733 Comment
  RSA586740  Cryptantha clevelandii R. E. Riefner 1994-5-22 94 -379 Orange W Terrce area of San clemente State Beach along Calafia road. Comment
  POM3964  Cryptantha clevelandii var. florosa I. M. Johnston 1918-5-4 2214 Orange Hills back of Laguna Beach. 152 Comment
  IRVC16220  Cryptantha intermedia Gordon A. Marsh 1978-5-17 Orange UCI Ecological Preserve, Irvine Comment
  RSA678721  Cryptantha intermedia Fred M. Roberts, Robert Allen, Carol Roberts 2003-5-11 s.n. Orange Dana Point Headlands: 0.8km SSW Richard Henry Dana School north of Marguerita Drive 76 Comment
  RSA680736  Cryptantha intermedia Scott D. White 2003-3-21 8824 Orange Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 122 Comment
  RSA737545  Cryptantha intermedia Fred M. Roberts 2008-3-12 6716 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  UC1294015  Cryptantha intermedia E. K. Balls 1958-6-27 23287 Orange Santiago-Mojeska Saddle Santa Ana Mts. 1463 Comment
  UCR192499  Cryptantha intermedia A. C. Sanders, Fred M. Roberts 2008-3-25 34546 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR263772  Cryptantha intermedia Ed Kentner 2012-4-24 129 Orange Peninsular Range: Santa Ana Mountains, Lomas De Santiago, El Toro property 200 Comment
  SEINET3152280  Cryptantha micrantha H. M. Hall 1906-7-26 7588 Orange Upper Santa Canyon Comment
  RSA0027425  Cucurbita foetidissima Fred M. Roberts 2013-7-18 7659 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
Read comments
Mar 6 2019
  CAS-BOT-BC506647  Cupaniopsis anacardioides R. E. Riefner, Jr. 2014-11-28 14 -407 Orange Cit of Newport Beach, SW corner Jamboree Rd. at MacArthur Blvd. 16 Comment
  CAS-BOT-BC80571  Cupressus forbesii James R. Shevock 1976-10-28 5347 Orange off of Sierra Peak, FS road 3S04 - Santa Ana Mountains, Cleveland National Forest 883 Comment
  RSA12376  Cupressus forbesii C. B. Wolf, E. R. Johnson 1934-3-21 5578 Orange Santa Ana River, Santa Ana Canyon, 1/2 mi. S.W. of Mexican Houses, Rancho Santa Ana. Altitude 400 ft. 122 Comment
  RSA648649  Cupressus forbesii Richard E. Riefner, Adrian Wolf 2000-6-1 20 -451 Orange NCCP North Ranch Policy Plan Area. N of Irvine Lake and W of Black Star Cyn; W. of dirt access rd. 518 Comment
  SEINET10531083  Cupressus forbesii Carl B. Wolf 1935-1-2 Wolf 2319 Orange Santa Ana Mts. Slopes of Sierra Peak, W of Claymine Canyon along Road to peak. Upper Sonoran:- Adenostoma, Cypress. Open N.W. slope. Reddish sandtone. 670 Comment
  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
  RSA797476  Cuscuta ceanothi R. F. Thorne 1977-11-21 49989 Orange Santa Ana Mountains: San Juan Canyon about 2 miles above San Juan Fire Station Comment
  RSA708819  Cuscuta pentagona Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6170 Orange Bolsa Chica Salt Marsh: along Pacific Coast Highway, trail NW of parking area, c.a. 2.2km SE jct. Warner Street and 1.6km SE Chica Bench Mark. 2 Comment
Read comments
Jan 2 2017
  JEPS43026  Cuscuta salina L. M. Booth 1932-5-24 1096 Orange Newport Bay Comment
  UCSB59703  Cuscuta salina Tilforth, C. 1975-9-3 Orange Northeast shoreline of Upper Bay, Newport Beach, Orange County Comment
  SD43529  Cuscuta subinclusa Philip A. Munz 1946-10-2 11555 Orange Santa Ana River bottom, Rancho Santa Ana. Comment
  UCR108380  Cycloloma atriplicifolium L. C. Wheeler 1946-9-28 6377 Orange Newport Bay: Near Point where main coast highway [Hwy 1?]crosses 2 Comment
  UCR66997  Cycloloma atriplicifolium A. C. Sanders 1990-10-6 10203 Orange Newport Bay, North Star County Beach Area on the SW end of the Bay, c. 2 km inland of Hwy 1. 3 Comment
  CAS-BOT-BC56704  Cylindropuntia californica John Thomas Howell 1927-6-22 2575 Orange Field redacted by CAS, contact the data manager for more information 152 Comment
  POM356392  Cynara cardunculus subsp. flavescens L. C. Wheeler 1932-6-22 850 Orange 1/2 miles N Newport Bay. 15 Comment
  CAS-BOT-BC190296  Cynodon dactylon John Thomas Howell 1927-7-27 2849 Orange Santa Ana River bottom, Santa Ana Canon [Canyon]. 152 Comment
  RSA696696  Cynodon dactylon Keith E. Hoffmaster 1926-12-18 s.n. Orange Santa Ana, San Juan Capistrano, San Onofre, other places Comment
  SD39904  Cynodon dactylon E. A. Purer 1932-8-31 4868 Orange Comment
  UCR246515  Cynodon dactylon Fred M. Roberts 2013-5-30 7778 Orange Lomas de Santiago, Santiago Creek Wash, at Santiago Canyon Road bridge, south side, 0.3 km west of the junction of Silverado and Santiago Canyon Roads 299 Comment
  POM202155  Cyperus eragrostis L. M. Booth 1932-5-15 1201 Orange Costa Mesa. Comment
  RSA539371  Cyperus eragrostis Fred M. Roberts, D. Willick 1988-9-16 4136 Orange Peralata Hills: Oak Canyon Nature Center, Upper Walnut Canyon, 1.0 kilmeter N Robbers Peak. 180 Comment
  RSA599641  Cyperus esculentus Fred M. Roberts, P. Barrett, G. Bastillos 1995-7-25 4970 -B Orange Santa Ana Mountains: San Juan Canyon along San Juan Creek, San Juan Hot Springs, 0.8 kilometer SSW Juan Rancho Survey Mark. 214 Comment
  RSA0031763  Cyperus involucratus Robert F. Thorne 1977-11-21 50811 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  UC729960  Cyperus laevigatus Carl B. Wolf 1932-7-2 3814 Orange 1/8 mi. below La Vida Springs (Carbon Canyon); Carbon Canyon 213 Comment
  RSA713567  Cyperus odoratus R. E. Riefner Jr. 2005-7-9 5 -551 Orange City of Huntington Beach, Huntington Central Park, Goldenwest St. near Slater Ave. 2 Comment
  SD234735  Cyperus odoratus R. E. Jr. Riefner 2005-10-27 05 728 Orange South Coast: Huntington Beach, Huntington Central Park near Goldenwest St. 0 Comment
  RSA0036013  Cyperus odoratus Robert F. Thorne 1977-11-21 50802 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  RSA725794  Cyrtomium falcatum R. E. Riefner 2006-9-5 06 -417 Orange Southern Coast: Corona del Mar, Ocean Blvd. Near Iris Ave. 11 Comment
  RSA785389  Cyrtomium falcatum R. E. Riefner Jr. 2011-7-1 11 -83 Orange City of Newport Beach. Beach area west of the end of Cameo Shores Road. South ca. 1 mi from Poppy Ave. 2 Comment
  UCR230584  Cyrtomium falcatum R. E. Riefner Jr. 2011-7-1 11- 83 Orange South Coast, city of Newport Beach, beach area west of the end of Cameo Shores Road, south c. 1 mi from Poppy Avenue 2 Comment
  CAS-BOT-BC402178  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
  UCR240083  Datisca glomerata Dick Newell, Judy Booth 2012-6-3 266 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Maple Springs Truck Trail/Silverado Canyon Rd., 1.6 miles ENE of Maple Springs Gate 741 Comment
  RSA732273  Daucus pusillus A. C. Sanders 2008-4-29 35126 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
  CAS-BOT-BC299321  Deinandra fasciculata Scott D. White; Brian Leatherman 1998-1-26 6069 Orange Site of proposed Research Park, southwest of main campus circle, ca. halfway between between Berkeley Ave. and new freeway (Bonita Cyn.), Univ. of Calif. Irvine Campus 36 Comment
  OBI21020  Deinandra fasciculata James Henrickson 1970-7-24 4963 Orange 1.5 mi NW of Huntington Beach, along border of Bolsa Chica salt marsh at SW end of Huntington Beach Mesa 8 Comment
  SD247322  Deinandra paniculata R. E. Jr. Riefner 2008-5-19 08 100 Orange Ladera Ranch, Cecil Pasture at Jerome Road; along Bluff Top Trail. 156 Comment
  RSA724055  Deinandra paniculata R. E. Riefner 1994-9-6 94 -552 Orange City of Dana Point, Dana Hills, vicinity of Dana Hills High School. 27 Comment
  UCR220962  Delphinium parryi Dick Newell, Don Millar, Ashley Nelson 2010-6-8 24 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Limestone Canyon Rd. at junction with Dripping Springs Rd., 1/2 mile SW of Silverado Rd. and Santiago Rd. 305 Comment
  RSA581442  Delphinium parryi Fred M. Roberts 1989-5-12 4361 Orange Santa Ana Mountains: Santiago Canyon, Flemming Regional Park, just E of Modjeska at end of paved road, ca. 3.3 km WSW Laurel Springs. 430 Comment
  CAS-BOT-BC82947  Dendromecon rigida G. R. Campbell 1949-4-18 13449 Orange Santa Ana Mountains. Santiago Peak. Comment
  RSA663162  Dendromecon rigida R. E. Riefner 2000-6-26 20 -578 Orange NCCP North Ranch Policy Plan Area. Along dirt road running N and W of Black Star Canyon Road at powerline tower. 631 Comment
  RSA785384  Dendromecon rigida Keith E. Hoffmaster 1932-4-17 401 Orange Santa Ana Mts. [Orange/Riverside Cos] Comment
  RSA723969  Deschampsia danthonioides R. E. Riefner 1998-5-15 98 -328 Orange San Clemente State Beach, mima mound field in SW corner of park. 27 Comment
  RSA0011989  Descurainia pinnata O. F. Clarke 2004-4-5 s.n. Orange Newport Back Bay 3 Comment
  CAS-BOT-BC43187  Descurainia pinnata subsp. brachycarpa Helen D. Geis 1902-3-1 s.n. Orange Santa Ana River. Comment
  POM369419  Descurainia pinnata subsp. menziesii Albert J. Perkins 1921-3-15 s.n Orange Garden, Santa Ana. Comment
  RSA0014989  Dicentra chrysantha Fred M. Roberts 2008-5-20 6989 Orange Lomas de Santiago: Santiago Creek wash north of Hanging Man's Tree Road near confluence of Pancho Cyn., 1.6 km NW Bolero Lookout. Irvine Ranch Conservancy. 349 Comment
  RSA23620  Dicentra ochroleuca Percy C. Everett 1938-10-11 9464 Orange Santa Ana Mts, Tin Mine Canyon, Skyline Drive, 1/2 mile below summit. 915 Comment
  CAS-BOT-BC483630  Dichelostemma capitatum A. M. White 1974-6-1 1430 Orange Ca. 20 miles east of Santa Ana norht of Silverado Canyon 822 Comment
  UCR193832  Dichondra micrantha A. C. Sanders 2008-7-3 35713 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon near mouth of Limestone Cyn., at Agustine Staging Area 260 Comment
  CAS-BOT-BC209074  Digitaria sanguinalis Ira L. Wiggins 1965-10-2 20268 Orange Curbway, at corner of Longview Dr. and Dorothy Lane, Fullerton Comment
  CAS-BOT-BC209075  Digitaria sanguinalis Ira L. Wiggins 1965-9-26 20263 Orange In orange grove just south of Letters and Science Building, California State College at Fullerton. Comment
  POM202523  Digitaria sanguinalis L. M. Booth 1932-6-7 1210 Orange Balboa Island. Comment
  RSA683844  Digitaria sanguinalis Scott D. White, Matt Carlton 2003-11-20 9872 Orange Santa Ana Mountain foothills; San Juan Creek in San Juan Capistrano; (San Juan Capistrano). 37 Comment
  RSA734607  Digitaria sanguinalis Keith E. Hoffmaster 1933-10-8 280 Orange Santa Ana Comment
  UCR273943  Diospyros Mitch Provance 2007-7-11 707- 01 Orange Coastal Regions of Southern California, Between Irvine and Foothill Ranch, UCR South Coast Research and Extension Center 122 Comment
  SEINET13682959  Diplacus aurantiacus R. Nelson, Baumann, Kondratieff, Sargent 1988-1-12 5117 Orange Cleveland NF, San Juan Creek at Lower San Juan Campground. 366 Comment
  CAS-BOT-BC152261  Diplacus clevelandii C. B. Wolf 1933-11-8 5535 Orange Santa Ana Mts., Trabuco Canyon on S. wall opposite Trabuca Truck Trail 914 Comment
  CAS-BOT-BC43560  Diplotaxis tenuifolia Helen D. Geis 1902-1-1 544 Orange Santa Ana. Comment
  UC2062536  Distichlis littoralis Hester L. Bell with Anna L. Bell 2002-5-1 260 Orange Shellmaker Road in Lower Newport Bay, near Shellmaker Island and Upper Newport Bay Reserve. Comment
  RSA16495  Drymocallis glandulosa Percy C. Everett 1935-6-18 7212 Orange Santa Ana Mts: Summit of Santiago Peak. 1732 Comment
  RSA701645  Drymocallis glandulosa Keith E. Hoffmaster 1934-4-22 s.n. Orange Santa Ana Mountains Comment
  UC1950970  Drymocallis glandulosa A. C. Sanders with Fred M. Roberts 2008-4-8 34762 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' Quad. Comment
  RSA699851  Drymocallis glandulosa R. H. McArthur 1934-4-14 s.n. Orange Orange county Comment
  IRVC16264  Dryopteris arguta L. Fox 1978-5-9 s.n. Orange Upper Trabuco Canyon. Santa Ana Mountains Comment
  UCR100209  Dryopteris arguta Scott D. White 1996-12-20 4631 Orange Santa Ana Mountains, above Modjeska Canyon; proposed water tank site 488 Comment
  UCR231351  Dryopteris arguta A. C. Sanders, Kent Beaman 2011-9-27 39898 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Truck Trail above Silverado, at major (dry) stream crossing, 3.95 km NNW (347 deg. ) of Santiago Peak 903 Comment
  CAS-BOT-BC109566  Dudleya blochmaniae subsp. blochmaniae Reid Moran 1950-4-24 3388 Orange San Clemente, atop sea bluffs Comment
  UC1015325  Dudleya blochmaniae subsp. blochmaniae Reid Moran 1950-4-24 3388 Orange San Clemente Comment
  CAS-BOT-BC427991  Dudleya caespitosa John Thomas Howell 1927-6-9 2472 Orange N. side of Santa Ana Canyon 152 Comment
  RSA423498A  Dudleya cymosa F. R. Fosberg 1921-6-21 748 Orange Silverado Canyon, Santa Ana Mts. Comment
  CAS-BOT-BC428264  Dudleya edulis L. R. Abrams 1901-6-1 1785 Orange San Joaquin Hills Comment
  RSA0077165  Dudleya edulis Reid V. Moran 1948-6-23 3096 Orange Aliso Canyon; Laguna Beach. Comment
  JEPS49887  Dudleya lanceolata John Thomas Howell 1927-7-3 2637 Orange Claymine Canyon Santa Ana Mtns Comment
  POM265679  Dudleya lanceolata J. C. Roos 1937-5-21 2338 Orange Lemon Heights, near Santa Ana Comment
  RSA397796  Dudleya lanceolata Ella M. Kennedy 1923-5-14 s.n. Orange Laguna Beach. Comment
  RSA5350  Dudleya lanceolata B. D. Stark 1932-12-9 1674 Orange Dana Point Comment
  RSA747701  Dudleya lanceolata Fred M. Roberts 2008-5-16 6974 Orange Dana Point: Dana Point Headlands, CNLM Preserve, near Strands Road Gate, 0.8km WNW Marine Institute, Dana Point Harbor. 65 Comment
  RSA83330  Dudleya lanceolata F. W. Peirson 1924-6-1 4675 Orange Santa Ana River. 122 Comment
  RSA0013967  Dudleya multicaulis Fred M. Roberts 2008-4-23 6925 Orange Lomas de Santiago: Loma Ridge, north end along Sheriff Rd., 1.6 km SE Peters Canyn Reservoir dam. 340 Comment
  RSA542535  Dudleya multicaulis Fred M. Roberts, K. G. Marsh, G. A. Marsh 1988-4-26 3943 Orange San Joaquin Hills: Pelican Hill, 0.6 km SE summit. 172 Comment
  UC933212  Dudleya multicaulis Reid Moran 1950-4-24 3387 Orange 0.4 mi above El Toro road junction with Laguna Canyon road (s of El Toro road, Laguna Canyon); Laguna Canyon 91 Comment
  UC2059974  Dudleya multicaulis K. Nakai 1978-2-5 214 Orange Laguna Beach, above Laguna High School, 100 yards from the ed of Pacific Avenue. Comment
  RSA757121  Dudleya pulverulenta A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37192 Orange Lomas de Santiago, lower Hangmans Tree Canyon. 379 Comment
  UCR238166  Dudleya pulverulenta subsp. pulverulenta Mark A. Elvin, Peter A. Bowler 2003-6-28 2956 Orange Southern Coast, Irvine, San Joaquin Freshwater Marsh, adjacent to UCI campus, SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  SEINET3089344  Dudleya stolonifera Reid Moran 1977-1 Orange Comment
  UC806717 Image available Dudleya stolonifera R. V. Moran 1948-6-23 3095 Orange n-facing cliff near mouth Aliso Canyon (s of Laguna Beach); ; near mouth of Aliso Canyon, S of Laguna Beach, Orange Co. 7 Comment
  UC905132  Dudleya stolonifera R. V. Moran 1948-6-23 3095 Orange s of Laguna Beach (n-facing cliff near mouth of Aliso Canyon); ; North-facing cliff near mouth of Aliso Canyon, S of Laguna Beach, Orange Co. 7 Comment
  LA202506  Dudleya stolonifera Kei Nakai; 1978-4-19 359 Orange Aliso Canyon, ca. 300 m. E of Calif. Hwy 1 10.0 Comment
  IRVC28635  Dudleya viscida Mark A. Elvin 2005-9-2 4490 Orange Santa Ana Mtns: along San Juan Creek, ca. 1.0km upstream from San Juan Hot Springs; off Ortega Hwy (74), near bridge. Peninsular Ranges 259 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
  UCR175449  Dudleya viscida Mark A. Elvin 2005-9-2 4490 Orange Peninsular Ranges, Santa Ana Mtns: along San Juan Creek c. 1.0 km upstream from San Juan Hot Springs, off Ortega Hwy (74) near the bridge 259 Comment
  CAS-BOT-BC197034  Echinochloa colona E. R. Johnson 1936-7-10 8104 Orange Rancho Santa Ana, Santa Ana Canyon Vegetable Garden 121 Comment
  UCR219856  Echinochloa colona Fred M. Roberts 2008-6-3 7031 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, East Fork Rattlesnake Canyon, c. 2.6 km NE Rattlesnake Reservoir spillway and 2.4 km ENE Bee Peak 225 Comment
  CAS-BOT-BC197179  Echinochloa crus-galli John Thomas Howell 1927-7-18 2793 Orange Santa Ana River bottom, Santa Ana Canon [Canyon] 152 Comment
  UCSB47944  Echinochloa crus-galli Roberts, D. 1980-5-4 Orange Camino Capistrano Rd below bridge (Crown Valley Pkwy) 30 Comment
  CAS-BOT-BC445607  Echinodorus berteroi Frank W. Peirson 1924-5-31 4650 Orange Laguna Canon [Canyon] Comment
  CAS-BOT-BC445608  Echinodorus berteroi I. M. Johnston 1918-9-3 2151 Orange Laguna Canon [Canyon], San Joaquin Hills 106 Comment
  POM1011  Echinodorus berteroi I. M. Johnston 1918-9-3 2151 Orange Laguna Canyon (at the lakes) 107 Comment
  RSA69476  Echinodorus berteroi F. W. Peirson 1924-5-31 4650 Orange Laguna Canyon, near Laguna Beach 107 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
  SD142746  Echium fastuosum A. C. Sanders 1990-10-6 10183 Orange Newport Bay, North Star County Beach area on the southwest end of the bay 0 Comment
  RSA151172  Eclipta prostrata Peter H. Raven 1961-10-15 16849 Orange Anaheim: Santa Ana River Bed at Anaheim Street crossing. 61 Comment
  RSA800668  Eclipta prostrata Justin M. Wood 2010-9-29 2753 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
  RSA688978  Ehrharta calycina Fred M. Roberts, David E. Bramlet 2003-4-10 5636 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
  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
  CAS-BOT-BC113330  Eleocharis montevidensis Helen D. Geis 1902-4-1 507 Orange Santa Ana Comment
  UC1116258  Eleocharis montevidensis F. R. Fosberg 1931-6-21 748 Orange Silverado Canyon Santa Ana Mountains Comment
  UCSB47586  Eleocharis montevidensis Roberts, Jr., Fred 1980-5-3 Orange Santa Ana Mtns., San Juan Cayon near mouth of Viejo Canyo, below Rte. 74, 2.5km by road ENE San Juan Guard Station, 0.5km WSW Bm 1100 288 Comment
  UCSB57546  Eleocharis montevidensis Roberts, Fred 1984-4-14 Orange Santa Ana Mtns.; Chiquito Basin, San Juan Trail, 1.9 km. SW Blue Jay Campground; 2.8 km. S Los Pinos Peak 840 Comment
  RSA542338  Eleocharis montevidensis var. montevidensis Fred M. Roberts, K. Keane 1988-5-25 3984 Orange Ranch Mission Viejo: Lower Canada Chiquita, 2.5 kilometers SSE Medium Rancho Survey Mark. 82 Comment
  RSA708228  Eleocharis palustris Fred M. Roberts, Robert L. Allen, Chris Barnhill, Carol A. Roberts 2005-4-10 6164 Orange Costa Mesa: Fairview Park, west of north end of Canyon Drive, c.a. 0.2km WNW Marison Special Education Center (Canyon Sch. on topos). 24 Comment
  RSA83  Eleocharis palustris J. T. Howell 1927-6-30 238 Orange Bryant Ranch near Long Beach. 15 Comment
  SD245178  Eleocharis parishii R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49571 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway(74). San Juan Creek. Comment
  RSA735121  Eleusine coracana subsp. africana R. E. Riefner 2006-11-15 6 -677 Orange City of Irvine, Shady Canyon Rd. at Quail Hill. 35 Comment
  UCD61903  Elymus glaucus R. M. Love 1942-4-16 Orange 8 miles east of Santa Ana. Comment
  UCR192221  Elymus glaucus A. C. Sanders, Fred M. Roberts 2008-5-6 35274 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Limestone Canyon, 2.9 mi. NNW of El Toro 379 Comment
  CAS-BOT-BC206765  Elymus glaucus subsp. glaucus Le Roy Abrams 1901-6-1 1822 Orange Santiago Pk. Comment
  CAS-BOT-BC206790  Elymus glaucus subsp. glaucus Le Roy Abrams 1901-6-1 1831 Orange Mt. Santiago Trail 914 Comment
  JEPS71193  Elymus glaucus subsp. glaucus L. M. Booth 1932-6-7 1154 Orange Newport Bay 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
  RSA539404  Emmenanthe penduliflora Fred M. Roberts, Carol A. Roberts 1988-6-2 4035 Orange Santa Ana Mountains: Silverado Canyon. Maple Springs Truck trail. 4.3 km above gate, 1.0 km WSW Bald Peak. 817 Comment
  UCR192079  Emmenanthe penduliflora A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35280 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  CAS-BOT-BC131227  Encelia californica H. F. Copeland 1938-6-28 s.n. Orange Hills back of Laguna Beach Comment
  CAS-BOT-BC131228  Encelia californica P. A. Munz 1920-4-11 3816 Orange Santa Ana River [Canon] Canyon near Rincon 304 Comment
  HSC25235  Encelia californica Richard Spjut 1972-2-22 2227 Orange W of the Cleveland National Forest in the Santa Anna Mtns. along Hwy. 74 152 Comment
  IRVC28776  Encelia californica Archie F. Iskaq 2006-2-4 1 Orange San Joaquin Marsh; NW Edge of Marsh. Southern Coastal 3 Comment
  IRVC645  Encelia californica B. Newman 1965-3-31 Orange Corona del Mar, Jamboree Rd. Newport Beach Comment
  POM48553  Encelia californica F. M. Reed 1925-5-14 4985 Orange Aliso Canon. Comment
  POM4950  Encelia californica P. A. Munz 1918-5-4 2225 Orange Laguna Beach Comment
  RSA734018  Encelia californica A. C. Sanders, Linda Farley, Fred M. Roberts, David 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. 366 Comment
  UC494726  Encelia californica Philip A. Munz 1932-3-29 12185 Orange Costa Mesa Costa Mesa (sea bluffs) Comment
  UCD150948  Encelia californica D. S. Park 2010-4-25 33 Orange Whiting Ranch Wilderness Park. Abundant near entrance/parking lot. 246 Comment
  UCR267184  Encelia californica Fred M. Roberts 2010-3-12 7177 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
  IRVC670  Encelia farinosa D. Orr 1965-3-27 Orange Trabuco Rd. 3mi E El Toro Marine Base. El Toro Comment
  UCR223422  Encelia farinosa Dick Newell, Don Millar 2011-3-1 068 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Hicks Canyon Haul Road, above Jeffrey Rd. and below Hwy 241 crossing 175 Comment
  RSA25948  Encelia farinosa var. farinosa E. R. Johnson 1941-5-16 s.n. Orange Rancho Santa Ana, River bottom near Old Peak Orchard. Comment
  LA206113  Epilobium canum subsp. latifolium W. E. Pequegnat; 1937-8-11 7 a Orange Santa Ana Mountains, Santiago Peak Comment
  UCR193492  Epilobium ciliatum A. C. Sanders, T. B. Salvato 2008-5-13 35359 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  UCR193826  Epilobium ciliatum A. C. Sanders, Fred M. Roberts 2008-7-16 35838 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  RSA754075  Epipactis gigantea A. C. Sanders, Fred M. Roberts 2008-7-16 35844 Orange Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  UCSB47992  Epipactis gigantea Roberts, Fred 1980-6-25 Orange Santa Ana Mtns; San Juan Canyon; below Calif. Rte. 74; 2.4 km ENE San Juan Guard Station; 0.3 km WSW BM 1100 290 Comment
  RSA0051389  Epipactis gigantea Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49608 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Comment
  CAS-BOT-BC57384  Equisetum laevigatum John Thomas Howell 1927-6-6 2441 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  RSA684625  Equisetum laevigatum Albert J. Perkins 1913-3-5 s.n. Orange San Juan Hot Springs Comment
  UC284888  Equisetum telmateia subsp. braunii P. A. Munz 1923-9-7 7731 Orange Holy Jim Canyon; Santa Ana Mts. 609 Comment
  POM21175  Eragrostis cilianensis Helen D. Geis 1902-6-6 s.n. Orange Roadside by Orange bridge. Comment
  POM298879  Eragrostis mexicana subsp. virescens Frank W. Gould 1944-6-25 2362 Orange Tournat Ranch, Garden Grove. Comment
  UCD33017  Eragrostis pectinacea Beecher Crampton 1965-10-27 7583 Orange Orange County, UC - South Coast F.S.. Comment
  SEINET7067527  Eremocarpus setiger A. G. Vestal 1947-6-12 s.n. Orange Trabuco Canyon. Coordinate datum: NAD27. UTM Zone 11, 447562mE, 3725206mN. Comment
  UC23530 Image available Eriastrum densifolium subsp. austromontanum C. W. Hamlin 1896-1 50 Orange Buena Park Comment
Read comments
Nov 20 2013
  UC23533  Eriastrum densifolium subsp. sanctorum S. B. and W. F. Parish July, 1886 Orange Santa Ana Riv. Comment
  UC52799  Eriastrum sapphirinum W. C. Blasdale June 1891 Orange Santiago Canyon Comment
  RSA0121308  Eriastrum sapphirinum subsp. dasyanthum Anstruther Davidson 1920-06 s.n. Orange Laguna. Comment
  UCSB52426  Ericameria arborescens Roberts, Fred 1982-9-20 Orange Santa Ana Mtns.; San Juan Trail; 1.1 km SE Blue Jay Campground; 2.5 km SSE Los Pinos Peak 997 Comment
Read comments
Jan 25 2020
  UCR210049  Ericameria palmeri A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37197 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, west of Limestone Canyon Rd. 366 Comment
  CAS-BOT-BC299501  Ericameria palmeri var. pachylepis Carl B. Wolf 1931-10-30 2708 Orange Rancho Santa Ana Botanical Garden 207 Comment
  CHSC35339  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. Fields near golf course. 45 Comment
  JEPS19141  Ericameria palmeri var. pachylepis L. M. Booth 1933-10-18 Orange Newport Comment
  RSA16676  Ericameria palmeri var. pachylepis C. B. Wolf 1931-10-30 2504 Orange Rancho Santa Ana, Santa Ana Canyon. 207 Comment
  UCR194993  Ericameria palmeri var. pachylepis A. C. Sanders, Fred M. Roberts 2008-8-7 35996 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
  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
  CAS-BOT-BC293091  Ericameria pinifolia John Thomas Howell 1927-10-23 3172 Orange On n. side of Santa Ana Canon [Canyon] 152 Comment
  RSA696782  Erigeron R. H. McArthur 1934-5-19 s.n. Orange Trabuco Canyon. Comment
  UCR195001  Erigeron canadensis A. C. Sanders, Fred M. Roberts 2008-8-7 36008 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
  UCR240103  Erigeron canadensis Dick Newell, Judy Booth 2012-9-26 293 Orange South Coast, Newport Beach, Back Bay Drive at the Salt Dike 3 Comment
  RSA797599  Erigeron foliosus R. F. Thorne 1977-11-21 49996 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  RSA7468  Erigeron foliosus var. stenophyllus C. B. Wolf 1933-8-24 5392 Orange Summit of Santiago Peak, Santa Ana Mountains. 1707 Comment
  RSA0054860  Erigeron linifolius Keith E. Hoffmaster 1927-5-11 285 Orange Santa Ana. Comment
  SD234804  Erigeron sumatrensis R. E. Riefner Jr. 2003-12-13 3 503 Orange South Coast: Los Alamitos, San Gabriel River, vicinity of Chestnut St and Cernitos Ave. (Los Alamitos 7.5'Q) 10 Comment
  LA205566  Eriodictyon crassifolium A. M. Johnson; 1932-4-23 4020 Orange Orange Comment
  RSA171104  Eriodictyon crassifolium Robert F. Thorne 1963-7-26 32836 Orange Tin Mine Canyon above Beek s Spring, Trabuco District, Cleveland National Forest 854 Comment
  UC219277  Eriodictyon crassifolium P. A. Munz and I. M. Johnston 1921-5-18 5316 Orange Santa Ana River Canyon; abundant in bed of side canyon 243 Comment
  UCR192086  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
  RSA749687  Eriogonum elongatum A. C. Sanders, Fred M. Roberts 2008-7-16 35829 Orange Lomas de Santiago, along road in lower Limestone Canyon, near junction with Harding Truck Trail 290 Comment
  UCSB48016  Eriogonum elongatum Roberts, Fred 1980-9-14 Orange Santa Ana Mtns: San Juan Cyn, 2.5km ENE San Juan Guard Station; 2.1km WSW Lower San Juan Picnic Ground 345 Comment
  POM2249  Eriogonum fasciculatum P. A. Munz 1918-5-5 2193 Orange Laguna. 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
  RSA734985  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, T. B. Salvato 2008-5-13 35382 Orange Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  CAS-BOT-BC253219  Eriogonum fasciculatum var. fasciculatum D. L. Crawford 1916-5-5 s.n. Orange Laguna Beach Comment
  UC527456  Eriogonum fasciculatum var. fasciculatum C. B. Wolf 1931-8-9 2300 Orange 1/2 mi s (1st small can.) Corona Del Mar beach (bottom of ravine near ocean) 7 Comment
  CAS-BOT-BC249949  Eriogonum fasciculatum var. foliolosum Helen D. Geis 1902-1-1 524 Orange Santiago Cr. Comment
  UC536903  Eriogonum gracile L. M. Booth 1932-7-29 1331 Orange Newport Lagoon Comment
  SD133035  Eriogonum parvifolium Andy C. Sander 1990-10-6 10179 Orange newport Bay, Westcliff Park area on the SW end of the bay, ca. 1 km in land of Hwy 1. 0 Comment
  RSA761926  Eriogonum saxatile Robt. Allen 2003-6-22 12371 Orange Modjeska Peak, southwestern arm, 0.6 air miles southwest of the summit. 1513 Comment
  CAS-BOT-BC297325  Eriophyllum confertiflorum R. K. Brummitt; et al. 1998-5-23 19989 Orange Newport Beach, by marina; by harbour entrance 10 Comment
  IRVC15150  Eriophyllum confertiflorum var. confertiflorum A. S. Boughey 1968-7-9 380403 Orange Santa Ana mtns: upper Santiago Canyon. Peninsular Ranges Comment
  IRVC15665  Eriophyllum confertiflorum var. confertiflorum A. S. Boughey, P. Pembrook 1965-6-18 1018 Orange Los Trancos Canyon at bottom, ; chaparral. San Joaquin Hills Comment
  RSA12932  Erodium botrys E. R. Johnson 1935-4-8 6322 Orange 1 mile west of Atwood on South side of Railroad. Alt 300ft. Orange County Comment
  RSA684304  Erodium moschatum Fred M. Roberts, David E. Bramlet 2003-3-13 5602 Orange Donna O Neill Land Conservancy: Flagpole Meadow, upper Shady Cyn. W of Cristianitos Canyon, 1,500m NW Sycamore Gate and 1,220m W Cristianitos Rd. 173 Comment
  CAS-BOT-BC41524  Erysimum capitatum Helen D. Geis 1902-1-1 528 Orange Santiago Creek. Comment
  JEPS51726  Eschscholzia californica Alice King June, 1908 Orange Santa Ana Comment
  RSA734336  Eschscholzia californica A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34625 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 366 Comment
  UCR191364  Eschscholzia californica A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34625 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  UCR267212  Eschscholzia californica Fred M. Roberts, Lee Ann Caranza 2009-4-7 7139 Orange South Coastal Region, DANA POINT HEADLANDS: Dana Point CNLM Preserve, 0.8 km WNW Dana Point Marine Institute at Dana Point Harbor 65 Comment
  RSA722436  Eschscholzia californica Gray 1912-05 s.n. Orange El Modena. Comment
  RSA539383  Eschscholzia californica var. peninsularis Fred M. Roberts, Carol A. Roberts 1988-6-9 4076 Orange Santa Ana Mountains: Main Divide Truck Trail, saddle between Modjeska Peak and Santiago Pk., 0.5 km Ee summit of Modjeska Pk. 1445 Comment
  POM256959  Eschscholzia californica var. peninsularis W. Pequegnat 1940-4-15 s.n. Orange SW face of Modjeska Peak, Santa Ana Mts. 1524 Comment
  SEINET3012141 Image available Eucalyptus tereticornis Dave Goodward 1987-4-16 4 Orange Irvine Ranch, Boy Scout Camp in Peters Canyon E of Tustin, 1 mi NE of the Irvine Blvd/Myford Rd intersection. 120 Comment
  UCR50904  Eucalyptus tereticornis Dave Goodward 1987-4-16 4 Orange Irvine Ranch, Boy Scout Camp in Peters Canyon, east of Tustin and c. 1 mi NE of the Irvine Blvd/Myford Road intersection 122 Comment
  UCR52579  Eucalyptus torquata K. Kimberly 1988-5-29 20 Orange Cleveland National Forest, on S-18 roadside, 2 mi SW of Irvine Lake Comment
  HSC13690  Eucrypta chrysanthemifolia J. W. Johnson 1961-4-2 Orange Newport Beach, along Upper Newport Bay. Comment
  POM4517  Eucrypta chrysanthemifolia P. A. Munz 1918-5-5 2174 Orange Laguna. Comment
  RSA732086  Eucrypta chrysanthemifolia A. C. Sanders, Fred M. Roberts 2008-3-25 34531 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  JEPS1720  Eucrypta chrysanthemifolia var. chrysanthemifolia L. M. Booth 1932-5-19 1063 Orange Newport Bay Comment
  UCR86018  Euphorbia Scott D. White 1992-11-24 974 Orange Vicintiy of Brea, immediately north of Carbon Canyon Road & east of Placentia Ave. 1 mi (airline) S/SE of Tonner Canyon. 183 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
  UCD142560  Euphorbia albomarginata Ira L. Wiggins 1965-11-5 20323 Orange Near corner of Downling St. and Crowther Ave.; 1/2 mi. S of Placentia. Comment
  IRVC24273  Euphorbia albomarginata Fred M. Roberts, G. A. Marsh 1985-10-26 2527 Orange Santa Ana River: adjacent to Huntington Beach; 0.7km SSW Adams Street bridge. southern coastal 4 Comment
  RSA542541  Euphorbia lathyris Fred M. Roberts, William L. Smith 1988-7-30 4126 Orange San Juan Capistrano: Horno creek, Marbella country club, just east of Rancho Viejo road.. 0.8 km NE Mission San Juan Capistrano. 43 Comment
  RSA450847  Euphorbia misera Fred M. Roberts 1983-3-10 885 Orange Dana point Headlands; south of Scenic Dr. 0.3 km W Dana Point Harbor; 0.8km S Richard Henry Dana School. 60 Comment
  SBBG127562  Euphorbia misera T. B. Salvato 2010-9-27 5106 Orange Dana Point Headlands, Harbor Point Park, S of Scenic Dr and Cove Rd, beyond the end of Green Lantern St, overlooking Dana Point Harbor 52 Comment
  UCR222625  Euphorbia misera T. B. Salvato 2010-10-27 5106 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
  RSA732073  Euphorbia polycarpa A. C. Sanders, Fred M. Roberts 2008-3-25 34560 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  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
  RSA0104828  Euphorbia polycarpa var. polycarpa A. S. Boughey 1968-4-23 211 Orange Santa Ana Mountains: Black Star Canyon; 1/2 mi. below Hidden Ranch. Comment
  RSA732155  Euphorbia spathulata A. C. Sanders, Fred M. Roberts 2008-4-22 35028 Orange Santa Ana Mtns.: Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 1200 Comment
  RSA234503  Euthamia occidentalis James Henrickson 1970-9-5 5343 Orange 3 miles NW of Huntinton Beach; NW of Bolsa Chica Salt Marsh. Sea level. 0 Comment
  SBBG65406  Extriplex californica M. N. Ackley -May-1929 Orange Sunset Beach 8 Comment
  UCR193048  Festuca arundinacea A. C. Sanders, Mitch Provance 2008-5-20 35410 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 355 Comment
  UCSB47949  Festuca microstachys Roberts, D. 1980-5-3 Orange .25 km West Trabuco Peak; on Main Divide Truck Trail 1340 Comment
  SBBG101678  Festuca microstachys var. pauciflora S. Boyd with Mistretta 1991-5-9 6193 Orange Oak Flat, SE of Sierra Pk, just W of Riverside County line 792 Comment
  UCR102013  Festuca myuros var. myuros B. G. Pitzer 1997-3-25 3007 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy and the bike trail 30 Comment
  RSA708733  Ficus carica Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6118 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
  RSA725507  Ficus carica Fred M. Roberts 2007-9-11 6568 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
  UC2046885  Ficus microcarpa R. E. Riefner Jr. 2014-2-24 14 -66 Orange City of Dana Point, W ca. 0.1 mi from Island Way along Dana Point Harbor Dr., cliff immediately S of Santa Clara Ave. and Amber Lantern St. Comment
  UCR267288  Ficus microcarpa R. E. Riefner Jr. 2014-2-24 14- 66 Orange South Coast, city of Dana Point, west c. 0.1 mi from Island Way along Dana Point Harbor Drive, cliff slope immediately south of Santa Clara Avenue and Amber Lantern Street 11 Comment
  RSA0013949  Filago arizonica Fred M. Roberts 2008-4-24 6928 Orange Lomas de Santiago: Loma Ridge, lower Hicks Cyn. 350 meters east of Haul Rd., 1.9 km E Rattlesnake Cyn. Reservoir dam and 2.1 km W Bee Peak. Irvine Ranch Conservancy. 180 Comment
  RSA627759  Filago californica Scott D. White 1998-3-24 6229 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). 36 Comment
  RSA736576  Filago californica Keith E. Hoffmaster 1935-4-14 597 Orange Trabuco creek., 1/4 mi. above CCC camp at Trabuco Oaks, Santa Ana Mts. Comment
  UCR191334  Filago californica A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34649 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
  RSA0057937  Filago californica Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49668 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. Comment
  OBI8010  Foeniculum vulgare Kurt R. Neisess 1975-12-21 Orange In the Fullerton Hills area Comment
  RSA699264  Fragaria John Murphy 1938-6-6 s.n. Orange Birch Park Comment
  CAS-BOT-BC63073  Frangula californica subsp. californica John Thomas Howell 1927-6-26 2605 Orange Claymine Canyon, n. Santa Ana Mts. 457 Comment
  SBBG26924  Frangula californica subsp. californica P. C. Everett 1936-9-19 Orange Silverado Cyn in vicinity of Forest Service Rd Gate Comment
  RSA0058059  Frangula californica subsp. californica Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49673 Orange Northern Santa Ana Mountains: Coal Canyon [NW of Sierra Peak]. 457 Comment
  POM2924  Frankenia grandifolia D. L. Crawford 1916-7-26 s.n. Orange Aliso Canyon. Comment
  RSA391400  Frankenia grandifolia Albert J. Perkins 1923-6-28 s.n. Orange Laguna Beach. Comment
Read comments
Jul 15 2013
  RSA80823  Frankenia grandifolia var. campestris F. W. Peirson 1924-5-31 4659 Orange Laguna Canyon near Laguna Beach 91 Comment
  IRVC1370  Frankenia salina A. S. Boughey, Pat Pembrook 1965-6-8 1020 Orange San Juaquin Hills; Los Trancos Cyn; fork at road bottom. Southern Coastal 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
  JEPS30104  Frankenia salina L. M. Booth 1932-7-27 1324 Orange Comment
Read comments
Nov 11 2011
  LA103547  Frankenia salina Barry A. Prigge; 1983-12-17 5530 Orange Santa Ana Marsh and adjacent lowlands, southeasternmost part of oil field just N of Pacific Coast Highway between remnant Santa Ana River channel and dirt road 1 Comment
  RSA539403  Frankenia salina Fred M. Roberts Jr., Karen Swirsky 1988-6-28 4106 Orange Costa Mesa; Fairview Park, Just west of end of Canyon Drive, 0.1 km W Canyon School. 24 Comment
  UC1543183  Frankenia salina Donald G. Nelson 1935-6-27 331 Orange beaches s Corona del Mar (on bluffs facing ocean, near edge of salt marsh in ravine, s of mouth of Newport Bay) Comment
  UCD99588  Frankenia salina E. Frost 1996-5-11 15 Orange Newport Back Bay, 25 yards in along bike path. 7 Comment
  UCR154350  Frankenia salina Mark A. Elvin 2004-5-2 3402 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  UCR158094  Frankenia salina Adrian Wolf 1998-5-27 328 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
  RSA113855  Fraxinus dipetala E. K. Balls 1956-3-26 21464 Orange 0.5 miles below Silverado Motorway, W slope of Santa Ana Mts. 640 Comment
  RSA464916  Fraxinus dipetala Albert J. Perkins 1923-6-24 s.n. Orange Silverado Canyon Comment
  RSA698196  Fraxinus dipetala J. Vlahos 1934-4-6 s.n. Orange Top of Black Star Canyon. Comment
  SFV17927  Fraxinus dipetala J. N. Hogue 1999-4-9 136 .1 Orange Santa Ana Mountains Silverado Canyon. Above Pine Canyon along Maple Springs Road. 700 Comment
  UC1123343  Fraxinus dipetala R. St. John 1931-3-31 202 Orange Silverado Canyon Corona Quad. 365 Comment
  UCR261699  Fraxinus dipetala Dick Newell, Judy Booth 2014-5-15 371 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Maple Springs Rd./Silverado Canyon Rd., 0.87 road miles east of the lower Maple Springs gate 623 Comment
  POM9233  Fraxinus dipetala P. A. Munz, R. D. Harwood 1920-4-25 3737 Orange Santa Ana Mountains, Silverado Canyon. 549 Comment
  RSA0027770  Fraxinus dipetala Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49687 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  UCR132568  Fraxinus uhdei Robert DeRuff 1990-4-22 086 Orange Southern Coast, Newport Back Bay 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
  RSA652040  Fremontodendron californicum L. M. Anderson 1948-2-11 s.n. Orange On property at Rt 1, Box 239A, Santa Ana 183 Comment
Read comments
Oct 28 2014
  RSA649055  Fritillaria biflora D. E. Bramlet 2000-4-12 2978 Orange Tributary to Fremont Canyon. the site is 396m northwest of the Edison Spur road and 1.2km southeast of the Fremont ridge road. The locality is 305m southwest of knoll 1515. 372 Comment
  UCR132979  Fritillaria biflora Adrian Wolf 2000-4-15 459 Orange Santa Ana Mtns., North Ranch Policy Plan Area, North Baker Canyon Road 335 Comment
  UCR209378  Fritillaria biflora Fred M. Roberts, Linda Farley 2008-3-28 6822 Orange Santa Ana Mountains, Upper Weir Canyon, Irvine Ranch Conservancy, east fork along ridge just west of SR 241, 3.4 km east of Robber's Peak 457 Comment
  RSA753421  Fritillaria biflora var. biflora D. E. Bramlet 2008-4-28 4246 Orange East Fort of Upper Weir Cyn., on the north side of the existing access road. The site is found 1.22km east of the main Cyn. & 122m west of the upper boundary of Gypsum Cyn. 406 Comment
  SEINET10492275  Fuchsia hybrida David B. Dunn 1971-8-13 Dunn 18111 Orange Cultivated plants at costa mesa. Comment
  SEINET10837687  Fuchsia hybrida David B. Dunn 1971-8-13 Dunn 18122 Orange Cultivated plants vicinity of laguna beach. Comment
  POM265787  Fumaria parviflora Vesta Newsom Griffith 1943-3-21 s.n. Orange Near Katella School, 2.5 miles southwest of Anaheim Comment
  RSA565  Funastrum cynanchoides var. hartwegii J. T. Howell 1927-7-24 469 Orange Claymine Canyon, near Sierra Peak 152 Comment
  UCR192101  Galium angustifolium A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35287 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  LA208398  Galium angustifolium M. Zaitlin; 1951-6-12 Orange Highway #74 15 mi N of San Juan Capistrano Comment
  POM367705  Galium angustifolium subsp. angustifolium Albert J. Perkins 1913-4-29 s.n. Orange Trabuco Canyon. Comment
  RSA598920  Galium angustifolium subsp. angustifolium Scott D. White 1997-3-28 4850 Orange Above Modjeska Canyon, proposed water tank site. 425 Comment
  RSA631403  Galium angustifolium subsp. angustifolium Valerie L. Soza, LeRoy Gross 1999-6-7 490 b Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  RSA636102  Galium angustifolium subsp. angustifolium Valerie L. Soza, LeRoy Gross 1999-6-7 490 a Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  RSA7473  Galium angustifolium subsp. angustifolium Carl B. Wolf 1933-8-24 5397 Orange Summit of Santiago Peak, Santa Ana Mountains. 1732 Comment
  UC536926  Galium angustifolium subsp. angustifolium Lawrence M. Booth 1932-7-4 1241 Orange hillside Newport Lagoon Comment
  RSA221069  Galium aparine E. W. Lathrop 1966-5-1 6261 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland Nat'l Forest, Santa Ana Mountains. 396 Comment
  VVC895  Galium aparine B. G. Pitzer 1997-3-25 3014 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, grassland between Pacific Coast Hwy & the bike trail. 30 Comment
  UCSB47621  Galium aparine Roberts, Fred 1980-4-3 Orange Dana Point: hills, 1.0km NE Dana Hills High School 75 Comment
Read comments
Oct 28 2018
  RSA752  Galium nuttallii J. T. Howell 1927-6-26 219 Orange Claymine Canyon near Sierra Peak 366 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
  RSA734901  Galium parisiense A. C. Sanders 2008-5-28 35436 Orange Lomas de Santiago, Bee Flat at mouth of Limestone Canyon. 264 Comment
  RSA683078  Galium porrigens Scott D. White, Amanda Duchardt 2003-5-1 9162 Orange Santa Ana Mountain Foothills: Slopes above west side of Trampas Canyon. 107 Comment
  RSA702689  Galium porrigens Scott D. White, Michael Honer 2004-5-17 10390 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
  RSA749290  Galium porrigens var. porrigens Fred M. Roberts 1999-4-2 5168 Orange Lomas de Santiago: Loma Ridge, Dripping Springs Spur Rd., 2.3 km W Silverado Sch. and 5.1 km NW Bolero Lookout. 450 Comment
  RSA124724  Garrya flavescens E. K. Balls, P. C. Everett 1957-11-25 22847 Orange 1.1 mile E of Silverado 884 Comment
  RSA124723  Garrya flavescens var. pallida E. K. Balls, P. C. Everett 1957-11-25 22846 Orange 1.4 miles E of Silverado. Comment
  RSA702684  Gastridium phleoides Scott D. White, Michael Honer 2004-5-17 10398 Orange City of Laguna Niguel. Ridges and open slopes directly north of the intersection of Crown Valley Parkway and Pacific Island Dr. 61 Comment
  RSA732281  Gastridium phleoides A. C. Sanders 2008-4-29 35131 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
  RSA761932  Gastridium phleoides Suzanne Espino 2005-4-26 3 Orange Santa Ana Mountains, Caspers Wilderness Park, East Ridge Trial. Near water tank at E. 168 Comment
  SEINET179445 Image available Gastridium phleoides L. M. Booth 1932-5-19 1082 Orange Newport Bay Comment
  RSA5510  Gaura coccinea Carl B. Wolf 1932-7-2 3809 Orange 1.5 miles east of Brea on Cedar St. 107 Comment
  CDA20329  Gaura drummondii T. Maloney 2005-5-5 PDR 1367689 Orange Fullerton. Craig Regional Park. 3300 N. State College Blvd. 0 Comment
  RSA542392  Geranium carolinianum Fred M. Roberts 1988-3-15 3845 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  UCR177952  Geranium carolinianum Scott D. White, Brian Leatherman 1997-5-6 5037 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
  UCD170631  Geranium incanum R. E. Riefner Jr. 2007-4-28 07- 189 Orange South Coast, city of Newport Beach Newport Bay, North Star Beach, vicinity of Morning Star Lane. 2 Comment
  OBI82304  Geranium incanum var. multifidum Unknown 2011-7-1 11 -78 Orange City of Laguna Beach, South Crescent Bay, vicinity of Circle Drive and Island Way. 5 Comment
Read comments
Apr 23 2020
  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
  HSC16994  Gilia angelensis J. W. Johnson 1961-3-29 Orange Newport Beach, slope overlooking Upper Newport Bay. Comment
  IRVC8757  Gilia angelensis Charles W. Sexton 1965-2-12 s.n. Orange Newport Beach. Southern Coastal Comment
  POM10159  Gilia angelensis P. A. Munz, R. D. Harwood 1920-4-24 3766 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  RSA732081  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
  SD27976  Gilia angelensis Carl B. Wolf 1932-3-8 2674 Orange 0.5 mile north of Corona Del Mar; borders of Newport Bay. 7 Comment
  SEINET7073547  Gilia angelensis A. G. Vestal 1963-3-27 s.n. Orange Ridge above Cai+-ada Gobernadora. Coordinate datum: NAD27. Comment
  UCR98132  Gilia capitata subsp. abrotanifolia George K. Helmkamp, E. A. Helmkamp 1997-4-24 1660 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
  RSA0054879  Gilia capitata var. achilleifolia Keith E. Hoffmaster 1935-5-5 631 Orange San Juan can., Santa Ana Mts. Comment
  RSA552949  Githopsis diffusa subsp. candida Fred M. Roberts 1989-4-20 4293 Orange Santa Ana Mtns.: upper Lion Canyon along San Juan Trail just south of Blue Jay Campground, 2.5km SE Los Pinos Peak. 980 Comment
  UCR209658  Gnaphalium californicum Fred M. Roberts 2008-5-16 6986 Orange South Coast, Dana Point Headlands, Center for Natural Lands Mgmt. Preserve north of Marguerita Drive, 0.5 km west-northwest of the Marine Institute, Dana Point Harbor 75 Comment
  UCR126410  Gnaphalium leucocephalum Fred M. Roberts 2003-7-24 5963 Orange South Coast, San Juan Capistrano, San Juan Creek, c. 0.1 km NE of La Novia Bridge 27 Comment
Read comments
Jun 4 2013
  UCR162881  Gnaphalium leucocephalum Fred M. Roberts 2004-7-30 6088 Orange Rancho Mission Viejo; Donna O'Neill Land Conservancy, Cristianitos Canyon along Cristianitos Creek, 0.93 km SSW Gato Gate and 0.23 km W Cristianitos Road 76 Comment
  POM186305  Gnaphalium microcephalum Joseph A. Ewan 1932-7-28 7702 Orange Corona Del Mar Comment
  RSA751162  Gnaphalium stramineum D. E. Bramlet 2008-5-16 4275 Orange Agua Chinon Wash. Site is located in an ephemeral tributary 91m NW of the access road and 1.74km NE of Hwy 241 274 Comment
  UCR158151  Gnaphalium stramineum Adrian Wolf 1998-5-27 340 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
  RSA698229  Godetia bottae R. H. McArthur 1934-5-19 s.n. Orange Trobuca Canyon. Comment
  RSA698230  Godetia bottae Minor Warne 1934-5-19 s.n. Orange Trabuco. Comment
  RSA771515  Godetia purpurea Keith E. Hoffmaster 1934-5-13 170 Orange Santa Ana Mountains Comment
  RSA0012753  Grindelia camporum Fred M. Roberts 2012-5-10 7578 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA734895  Grindelia camporum A. C. Sanders 2008-5-28 35430 Orange Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  UCR193363  Grindelia camporum A. C. Sanders 2008-5-28 35430 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  CDA6156  Guizotia abyssinica Robert L. Pope 1967-6-13 Orange 0 Comment
  IRVC8688  Gutierrezia californica Charles W. Sexton 1965-3-27 Orange Ortega Highway out of San Juan Capistrano Southern Coastal Comment
  POM359185  Gutierrezia californica F. R. Fosberg 1931-6-21 749 Orange Lower Santiago Canyon. Comment
  UCR193775  Gutierrezia californica A. C. Sanders, Fred M. Roberts 2008-7-3 35698 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir 285 Comment
  LA203632  Gutierrezia sarothrae John Thomas Howell; 1927-7-22 2816 Orange Santa Ana Canyon Comment
  RSA581660  Hainardia cylindrica Tony Bomkamp 1995-06 s.n. Orange Gabino Canyon, near confluence with Cristianitos Canyon. (San Clemente USGS 7.5' quadrangle) Comment
  RSA554631  Haplopappus venetus Scott D. White 1992-9-29 897 Orange Vinicity of Brea, immediately N of Carbon Canyon Rd & E of Placentia Ave., +/- 1 mi. (airline) S/SE of Tonner Canyon. 183 Comment
  CLARK-A1528-1072  Haplopappus venetus subsp. vernonioides John C. Roos 1936-10-13 1531 Orange Newport Beach Comment
  RSA0066584  Harpagonella palmeri Karlin G. Marsh, Gordon Marsh 1991-6-10 s.n. Orange Laguna Beach: Temple Hill in South Laguna, E slope above Aliso Canyon 1.5 km N Aliso Peak. 185 Comment
  RSA5276  Hazardia squarrosa var. grindelioides B. D. Stark 1932-12-15 4452 Orange Rancho Santa Ana, slope above grove #4 145 Comment
  RSA302213  Hedera helix J. R. Shevock 1972-9-17 2281 Orange Pyles Boys Camp, Huntington Beach. 15 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
  RSA134384  Hedypnois cretica C. Epling 1943-3-27 s.n. Orange S of Sunset Beach. Comment
  SD42290  Hedypnois cretica C. B. Wolf 1938-5-2 9406 Orange Fullerton, Francis Street, 1200 block, east side in vacant lot 60 Comment
  RSA768508  Helianthemum scoparium Justin M. Wood 2010-3-31 1448 Orange 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
  RSA303453  Helianthemum scoparium var. scoparium Jim Shevock 1971-2-6 642 Orange Mojeska Cyn 274 Comment
  RSA542646  Helianthemum scoparium var. vulgare Fred M. Roberts 1988-4-11 3899 Orange Lomas De Santiago; Loma Ridge, Upper Limestone Canyon, c.a. 3.2 km NNW Bolero Lookout. Comment
  JEPS35482  Helianthus annuus W. L. Jepson 1940-10-6 20180 Orange Horseshow Bend Santa Ana Canyon Comment
  RSA873  Helianthus annuus subsp. lenticularis J. T. Howell 1927-7-27 484 Orange Near ranch, Rancho Santa Ana 152 Comment
  SBBG96107  Helianthus ciliaris D. O. Clark 1969-7-14 Orange Veeh Ranch, ca. 2 mi W of El Toro Comment
  UC774875  Helianthus ciliaris E. L. Paddock 1941-8-1 Orange 2 mi e Brea; Graham-Loftus property Comment
  CAS-BOT-BC305675  Helianthus gracilentus Le Roy Abrams 1901-6-16 1853 Orange Trabuco Canon [Canyon] Comment
  POM256708  Helianthus gracilentus W. Pequegnat 1940-6-15 s.n. Orange Holy Jim Trail 1220 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
  CHSC26505  Heliotropium curassavicum Roger Shelby 1970-8-22 Orange Ca. 3 mi. N. of Huntington Beach, 1 1/2 mi. So. of Warner Ave. on Pacific Coast Hwy. in Bolsa Bay area. In salt marsh. 0 Comment
  UCR193597  Heliotropium curassavicum A. C. Sanders, Fred M. Roberts 2008-6-17 35498 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, West Loma Ridge Spur Road c. 0.8 mi SW of Irvine Lake and 0.9 mi. SE of Sheriff's Training Facility, just east of Hwy 241 280 Comment
  UCSB48227  Helminthotheca echioides Roberts, Jr., Fred 1981-7-8 Orange Rancho Mission Viejo; Calif. Rte. 74, 5.2 km. ENE San Juan Capistrano by road 100 Comment
  RSA594889  Hemizonia australis Fred M. Roberts 1992-9-9 4847 Orange Irvine: San Joaquin Freshwater Marsh, 2.0 km NW University of California Irvine campus center 2 Comment
  SEINET10616973 Image available Hemizonia australis David D. Keck 1933-9-29 Keck 2537 Orange Seal Beach. Abundant over several acres in alkaline field adjoining tideslands, with Frankenia grandifolia, Mesembryanthemum nodiflorum, Atriplex, etc. Mostly low, with many or all branches prostrate or horizontal, but some with all erect, not over 4 dm. high, but often much broader. Comment
  CAS-BOT-BC26068  Hemizonia parryi subsp. australis David D. Keck 1933-9-29 2537 Orange Seal Beach. Comment
  UCR177696  Hemizonia parryi subsp. australis Fred M. Roberts 2003-7-8 5955 Orange Coastal Plains & Basins; Los Angeles Basin region, Orange: Orange Park Acres, along Santiago Creek, 0.5km E Cannon Road and 0.3km N Santiago Canyon Rd. 117 Comment
  UCR248971  Hemizonia parryi subsp. australis Jeremiah George, Audrey J. George 2013-11-21 s.n. Orange Los Alamitos, adjacent to Los Alamitos Racetrack, north end of Katella Ave. at junction with Enterprise Dr. 9 Comment
Read comments
May 15 2019
  CAS-BOT-BC143752  Heteromeles arbutifolia P. Everett; E. R. Johnson 1937-11-30 9380 Orange Santa Ana Mts., Bold Meadow at head of Claymine Canyon on slopes of Sierra Peak 762 Comment
  RSA0072401  Heteromeles arbutifolia A. C. Sanders, Fred M. Roberts 2008-7-16 35840 Orange Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin. 391 Comment
  RSA0072402  Heteromeles arbutifolia Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6505 Orange Beek's Place along Main Divide Rd., 4.1 km NW Pleasant Peak. 852 Comment
  RSA0072403  Heteromeles arbutifolia Steve D. Boyd, Bart O'Brien 1998-1-13 10071 Orange Santa Ana Mountains: north end of the range, W of Sierra Peak along Main Divide Road (3S04), ca. 0.5 mi from summit of peak near head of Coal canyon. 774 Comment
  UCR223436  Heteromeles arbutifolia Dick Newell, Don Millar 2011-2-8 056 Orange Peninsular Range; Santa Ana Mtns., Black Star Coal Mine above Fremont Canyon, along Coal Rd. 475 Comment
  CAS-BOT-BC318899  Heterotheca grandiflora Helen D. Geis 1902-1-1 s.n. Orange Unspecified Comment
  RSA0075820  Heterotheca grandiflora Valerie L. Soza, Kim Clark, LeRoy Gross, Will Miller, Fred M. Roberts, Gary D. Wallace 2001-4-4 1120 Orange Anaheim Bay: Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 3 Comment
  SD39720  Heterotheca grandiflora Edith A. Purer 1932-8-31 4877 Orange Along Highway 101. Comment
  IRVC792  Heterotheca grandiflora Anonymous 1965-4-29 Orange Santa Ana Canyon Comment
  RSA0075818  Heterotheca grandiflora F. W. Peirson 1920-1-9 2350 Orange Sand near the point at Balboa Beach. Comment
  SD113060  Heterotheca grandiflora Darley F. Howe 1971-10-25 4791 Orange Near corner of Brookhurst and Lincoln Ave., Anaheim. Comment
  SD8916  Heterotheca grandiflora George R. Kleeberger Nov 1875 Orange Santa Ana Valley Comment
  RSA542439  Heterotheca sessiliflora subsp. echioides Fred M. Roberts, K. Keane 1988-5-25 3993 Orange Rancho Mission Viejo: Lower Canada Chiquita, 1.9km SSE Medium Rancho Survey Mark, UTM 3710800m N, 443500m E 90 Comment
  RSA752894  Heterotheca sessiliflora subsp. echioides A. C. Sanders, Fred M. Roberts 2008-8-7 35973 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 Comment
  CAS-BOT-BC55404  Hirschfeldia incana Alice Eastwood 1936-4-5 s.n. Orange Santa Ana. Bixby Botanic Garden. Comment
  CAS-BOT-BC207960  Hoffmannseggia glauca Margaret K. Bellue 1933-6-7 s.n. Orange Unspecified Comment
  POM348811  Hoita macrostachya M. B. Dunkle 1934-6-18 3988 Orange San Juan Canyon, Southern Coastal. 305 Comment
Read comments
Oct 3 2011
  RSA708734  Hoita macrostachya Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6119 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
  IRVC14605  Hoita macrostachya Gordon A. Marsh, Karlin G. Marsh 1976-7-8 s.n. Orange San Clemente: Pacific Ocean beach, along railway, near W. Escalones and W. Mariposa Ave. southern coastal Comment
  SBBG128672  Hoita macrostachya R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49564 Orange San Juan Cyn at Lower Picnic Camp, just below Ortega Hwy (74); Santa Ana Mtns Comment
  JEPS65636  Hoita orbicularis Alice King April, 1908 Orange near Santa Ana; Santa Ana River Comment
  SEINET192291 Image available Holcus halepensis C. B. Wolf 1932-6-13 3724 Orange Fullerton Malvern and Nicholas Ave 53 Comment
  POM357588  Holodiscus discolor W. Pequegnat 1940-6-19 s.n. Orange North face of Los Pinos Peak 1159 Comment
  UC1127989  Holodiscus discolor A. Lewis 1934-5-1 423 Orange Cleveland National Forest, Trabuco Canyon Trabuco Canyon; Cleveland National Forest, Trabuco Canyon 1280 Comment
  UC592904  Holodiscus discolor C. B. Wolf and E. R. Johnson 1933-11-3 5527 Orange on road to Santaiago Peak, Santa Ana Mountains, Main Divide Motorway, Modjeska Peak Santaiago Peak; Santa Ana Mountains, Main Divide Motorway, Modjeska Peak 1524 Comment
  UCD22756  Homalocladium platycladum A. T. Leiser 1974-9-26 s.n. Orange So. Coast Field Sta. 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
  RSA799617  Hordeum intercedens Justin M. Wood 2011-4-12 3652 Orange South Coast: City of Costa Mesa. Fairview Park, just WNW of Marison Special Education Center. 24 Comment
  SD181759  Hordeum intercedens D. Bramlet 1998-5-20 2622 Orange San Juan Hills. 488m west of La Pata Ave. and 1.22km north of Prima Deschecha Canada, drainage, 457m east of the old ridgeline road 149 Comment
  RSA627754  Hordeum marinum subsp. gussoneanum Scott D. White 1998-5-31 s.n. Orange UCI Campus; Southwest of Farm School site (now proposed as Student Rec. Ctr.). 24 Comment
  CDA22569  Hordeum murinum subsp. leporinum J. B. Anderson 1966-4-16 587 Orange South Coast; Corona Del Mar: Buck Gully, Little Corona Beach Comment
  LA207989  Horkelia cuneata subsp. puberula B. R. Lower; 1954-4-25 sn Orange Mouth of small canon in Laguna Beach Comment
  RSA542357  Horkelia cuneata subsp. puberula Fred M. Roberts 1988-4-26 3945 Orange San Joaquin Hills, Pelican Hill, 0.4 km SW summit. 183 Comment
  CAS-BOT-BC537314  Horkelia cuneata var. puberula Philip A. Munz 1936-4-20 14606 Orange Mt. Olympus, Laguna Beach 152 Comment
  RSA0106894  Hypericum canariense R. E. Riefner Jr. 2010-6-9 10 -56 Orange City of San Juan Capistrano, La Novia Ave. at Valle Rd. 45 Comment
  UC2061630  Hypericum canariense R. E. Riefner Jr. 2010-6-9 10 -52 Orange City of San Juan Capistrano, along McKraken View Trail at San Juan Creek Road E of I-5 Freeway. Comment
  UCR240191  Hypericum canariense R. E. Riefner Jr. 2010-6-9 10- 56 Orange city of San Juan Capistrano, La Novia Ave. at Valle Road 45 Comment
  IRVC813  Hypochaeris glabra L. McCabe 1965-4-6 Orange Corona del Mar. Newport Beach Comment
  UCR100447  Hypochaeris glabra B. G. Pitzer 1996-4-30 2782 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  UCR103159  Hypochaeris glabra Scott D. White 1997-3-26 4823 Orange Univ. of Calif. Irvine Campus, east of main campus at site of proposed student recreation center, east of main campus, between California Avenue and Culver Drive. 40 Comment
  UCR261715  Hypochaeris radicata Dick Newell, Don Millar 2015-3-24 397 Orange South Coast, San Joaquin Hills, on Serrano Ridge 0.25 mi. due east of 73 Toll Rd. overcrossing 249 Comment
  UCR141342  Iris pseudacorus Robert DeRuff 2000-1 524 Orange Southern Coast, Newport Beach, Newport Back Bay, 23rd Street Creek on W side of the bay 12 Comment
  RSA799949  Isocoma menziesii D. M. Ray 2011-1-19 2 Orange South Coast: Santa Ana River: along right of way road just west of Least Tern Island. 0 Comment
  UCR151113  Isocoma menziesii Scott D. White 1998-10-19 7190 Orange Santa Ana Mtns foothills, Yorba Linda, c. 0.5 mi south of Telegraph Canyon between Ohio St. and Fairmont 305 Comment
  POM294117  Isocoma menziesii var. decumbens Lyman Benson 1946-5-13 12097 Orange Corona del Mar, Pacfic Ocean drainage area 50 Comment
  UCR247911  Isocoma menziesii var. menziesii Fred M. Roberts 2012-9-6 7694 Orange SAN JOAQUIN HILLS: Buck Gully, Buck Gully Trail, west end near Poppy Street entrance, 2.1 km WNW Pelican Hill summit. 37 Comment
  UCR223956  Isocoma menziesii var. sedoides Fred M. Roberts 2008-10-9 7123 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, base of cliff adjacent to Dana Strands Beach, 0.8 km west northwest of Marine Institute, Dana Point Harbor 3 Comment
  CAS-BOT-BC311732  Isocoma menziesii var. vernonioides L. R. A. 1901-6-1 1783 Orange San Joaquin Hills Comment
  RSA234537  Isocoma menziesii var. vernonioides James Henrickson 1970-9-5 5317 Orange 3.5 miles NW of Huntington Beach, 0.25 mile SE of Warner Ave. in Lower Littoral zone of Bolsa Chica Salt Marsh along outer Bolsa Bay. 0 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
  SBBG16549  Isocoma menziesii var. vernonioides E. B. Carlton 1961-9-3 C 4 Orange Laguna Beach, E on Hidden Valley Rd, ca. 1 mi from Broadway and S. Coast Rd 91 Comment
  UCSB48038  Isocoma menziesii var. vernonioides Roberts, Jr., Fred 1981-9-26 Orange Irvine Ranch; Pacific Coast Highway, 0.9 km. SE El Moro School near mouth of Moro Cyn. 15 Comment
  RSA697044  Isocoma veneta var. vernonioides Keith E. Hoffmaster 1927-10-9 s.n. Orange Santa Ana. Comment
  UCSB50641  Isolepis cernua Roberts, Fred; Allen, R. 1982-7-4 Orange Chino Hills: Tonner Canyon; 1.0 km. by road E jct. 57; 1.1 km. SE Bench Mark 499 165 Comment
  IRVC9274  Isomeris arborea B. T. Gittins 1963-5-24 247248 Orange Newport Bay, beside road near salt ponds. Newport Beach Comment
  UC72699  Isomeris arborea E. A. Zumbro 1902-1 372 Orange Comment
  UCR239843  Iva hayesiana 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
  RSA895  Jaumea carnosa J. T. Howell 1927-6-30 245 Orange Bryant Ranch near Long Beach. 15 Comment
  UCR24414  Jepsonia parryi John C. Roos 1936-10-9 2301 Orange Santa Ana Canyon 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
  UCR16466  Juglans californica J. N. Bullock 1970-4-11 s.n. Orange a north side canyon of Tonner Canyon 168 Comment
  RSA0011059  Juglans californica I. L. Wiggins 1966-5-11 20660 Orange Carbon Canyon about 1 mile above its mouth. Comment
  SEINET13942201 Image available Juglans californica Kay Raeder 1955-1 492 Orange Flying Cow Ranch, San Jose Hills Mt. Range, Pacific Coast drainage area, north slope. 850 ft. 259 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
  UCR216055  Juglans hindsii R. E. Riefner Jr. 2009-8-12 09- 168 Orange Peninsular Range; Foothills of Santa Ana Mtns., near Silverado, Cook's Corner area, Santiago Canyon Road at Lawrence Canyon Rd. 335 Comment
  UCR246397  Juglans hindsii R. E. Riefner Jr. 2013-11-6 13- 233 Orange South Coast, city of Laguna Beach, Laguna Canyon, north of Phillips Street on east side of Laguna Canyon Road 71 Comment
  RSA790108  Juglans hindsii R. E. Riefner Jr. 2011-8-25 11 -112 Orange Trabuco Canyon, Trabuco Canyon Rd. ca. 1 mi NW of O Neill Regional Park. 319 Comment
  SD236315  Juglans nigra A. C. Sanders, Fred M. Roberts 2008-6-17 35477 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, Agustine staging area near Limestone Canyon Rd. gate at Santiago Cyn Rd. 259 Comment
  RSA0022439  Juglans regia Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49798 Orange Santa Ana Mountains: Trabuco Canyon, below Yaeger Mesa Comment
  RSA795706  Juncus W. R. Ferren 1991-12-4 EPA- 18 Orange Cook Creek, tributary to Aliso Creek, San Juan Capistrano. Comment
  UC842095  Juncus acutus subsp. leopoldii Louis C. Wheeler 1932-6-25 869 Orange inlet arm of Newport Bay Newport Bay 0 Comment
  UCR132981  Juncus acutus subsp. leopoldii Adrian Wolf 2000-7-3 447 Orange Santa Ana Mtns., 0.4 km SE of Black Star Canyon mouth 290 Comment
  UCR158025  Juncus acutus subsp. leopoldii Adrian Wolf 1998-7-21 360 Orange South Coast, Emerald Canyon, Laguna Coast ranges, 1.5 km up canyon from Pacific Coast Hwy, 2.5 km east of El Moro Trailer park 91 Comment
  RSA184085  Juncus bufonius I. L. Wiggins 1966-3-31 20571 Orange Fullerton. Comment
  UCSB48092  Juncus bufonius var. congestus Roberts, Fred 1981-4-12 Orange Santa Ana Mtns; San Juan Cyn; Hwy 74; 1.3km by road E San Juan Guard Station; 0.9 km SE Juan Rancho SM 295 Comment
  RSA105  Juncus mexicanus J. T. Howell 1927-6-21 187 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  SEINET10755887 Image available Juncus nodosus Coe F. Austin Austin s.n. Orange Comment
  RSA543966  Juncus patens Steve Boyd, Orlando Mistretta 1991-5-9 6197 Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 Comment
  RSA734854  Juncus patens A. C. Sanders, Mitch Provance 2008-5-20 35399 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
  SEINET3880695  Juncus patens A. C. Sanders, Mitch Provance 2008-5-20 35399 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, mouth of Hangman Tree Canyon just above confluence with Santiago Creek Canyon, c. 1/2 mile below Modjeska Canyon confluence (El Toro 7.5' Q.).; 0 366 Comment
  UCR193851  Juncus patens A. C. Sanders, Fred M. Roberts 2008-7-16 35856 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hangmans Tree Canyon 395 Comment
  RSA110  Juncus rugulosus J. T. Howell 1927-7-18 423 Orange Santa Ana River, Rancho Santa Ana. 152 Comment
  RSA603360  Juncus rugulosus Scott D. White 1997-6-12 5317 Orange East of San Juan Capistrano: San Juan Creek beteen Highway 74 bridge and Mission Vieja site, i.e. ca. 2 - 4 miles E of I-15 [Interstate 5] / Highway 74 junction. 46 Comment
  RSA731796  Juncus rugulosus Fred M. Roberts, Sandy Leatherman 2007-11-9 6642 Orange Santa Ana Mtns.: San Juan Canyon along San Juan Creek, 0.2km E community of San Juan Hot Springs. 222 Comment
  UCR138438  Juncus rugulosus R. E. Riefner Jr. 2000-3-26 20 151 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Fremont Canyon, north of major stream fork along west channel drainage 335 Comment
  POM21178  Juncus xiphioides Helen D. Gels 1902-11 s.n. Orange Santa Ana [River?] Comment
  UCR162050  Juniperus deppeana var. pachyphlaea Robert DeRuff 2001-1 528 Orange Southern Coast, Newport Beach, Upper Newport Back Bay, near the UCI rowing center at Shellmaker Island 3 Comment
  IRVC18335  Juniperus monosperma Karlin G. Marsh Apr 1980 s.n. Orange Ca. 1mi. E of San Juan Creek in tributary drainage, E of intersection at Prima Deushecha Dump Rd. & Ortega Hwy. Rancho Mission Viejo Comment
Read comments
Apr 2 2014
  CAS-BOT-BC383068  Juniperus rigida var. conferta R. E. Riefner, Jr. 2014-3-17 14 -72 Orange City of Newport Beach, beach area between Shorecliff Road and Cameo Shores Road 18 Comment
  UCR234140  Keckiella antirrhinoides Dick Newell, Judy Booth 2012-4-6 244 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Road at Mountain View Trail, Cleveland National Forest 610 Comment
  NY790204  Keckiella cordifolia S. McCoy 1932-6-3 243 Orange Near Brea Comment
  NY790216  Keckiella cordifolia F. R. Fosberg 1931-6-21 S 5133 Orange Silverado Canyon, Santa Ana Mountains Comment
  RSA293307  Keckiella cordifolia D. C. Michener 1980-6-21 3683 Orange Starr Audubon Sanctuary. Riparian woodland margin in Crow Creek ca. 1.5 mi. north of confluence with Bell Canyon. 250 Comment
  RSA401706A  Keckiella cordifolia F. R. Fosberg 1931-6-21 S- 5133 Orange Silverado Canyon. Santa Anita Mts. Comment
  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
  LA209317  Keckiella ternata W. E. Pequegnat; 1937-8-11 18 Orange Santa Ana Mountains, Santiago Peak 1188 Comment
  CHSC109274  Kickxia elatine Scott D. White; Matt Carlton 2003-11-20 9866 Orange Santa Ana Mountain Foothills: San Juan Creek in San Juan Capistrano 24 Comment
  POM7128  Koeleria macrantha P. A. Munz, L. T. Street, G. Williams 1919-5-3 2633 Orange Santa Ana River Canyon. Comment
  RSA753162  Koeleria macrantha D. E. Bramlet 2008-4-28 4245 A Orange East Fork of Upper Weir Cyn, 1.2km east of the main Cyn. & 91m W of the upper boundary of Gypsum Cyn. 409 Comment
  CAS-BOT-BC271251  Koeleria pyramidata P. Munz; L. Street 1919-5-3 2622 Orange Santa Ana River Canyon Comment
  CDA7193  Koelreuteria bipinnata T. B. Salvato, K. Kurtz, Mitch Provance 2006-10-15 1903 Orange South Coast; Irvine, San Diego Creek flood control channel, between Campus Drive and Michelson Dirve. Comment
  SD175854  Koelreuteria bipinnata D. G. Kelch 2006-12-9 06 556 Orange Irvine, University Dr. along tidal creek just east of I-73. 9 Comment
  SD236409  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. Wide channel between high constructed berms. 6 Comment
  SEINET4559543  Koelreuteria bipinnata T. B. Salvato, Katie Kurtz, Mitch Provance 2006-1 1903 Orange South Coast; Irvine, San Diego Creek Flood control channel between Campus Drive and Michelson Drive 6 Comment
  RSA731652  Kyllinga brevifolia Fred M. Roberts 2007-10-29 6627 Orange Laguna Beach: Temple Hill, Nyes Place, c.a. 0.2 km S Moulton Meadows Park. 232 Comment
  UCR195006  Lactuca serriola A. C. Sanders, Fred M. Roberts 2008-8-7 36001 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
  CAS-BOT-BC340502  Lactuca serriola Carl B. Wolf 1932-7-7 3839 Orange Bryant Ranch, Bixby Ave., south edge of field, 100 ft. W. of Hansen Rd., 100 ft. W. of S.E. corner of N.E. 40 of N.E. of Sect. 34 T4S R11W 48 Comment
  SD80932  Laennecia coulteri James Henrickson 1970-8-22 5297 Orange Bolsa Chica Salt Marsh,dry northern portion, 2.5 miles northnorthwest of Huntington Beach Comment
  POM202589  Lamarckia aurea L. M. Booth 1932-5-12 1022 Orange Newport Bay Comment
  UCD63319  Lamarckia aurea A. A. Beetle 1942-4-19 3095 Orange Rt. 101. 2 miles north of Laguna Beach. Comment
  UCR154272  Lamarckia aurea Mark A. Elvin 2004-5-2 3427 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  UCR5211  Lamarckia aurea Barbara T. Gittins, O. F. Clarke 1966-3-19 892 Orange Pacific slope, Irvine Ranch, east of University of California Irvine campus, Newport Beach 91 Comment
  RSA699157  Lamarckia aurea Rankin s.n. Orange Newport Beach. Comment
  UCR193033  Lamium amplexicaule A. C. Sanders, Mitch Provance 2008-5-20 35401 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, mouth of Hangman Tree Canyon just above confluence with Santiago Creek Canyon, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  UCSB41749  Lamium amplexicaule Fountain, L. 1966-2-16 Orange Northwest corner of Orangethorpe and State College Blvd Comment
  UCR166703  Lantana camara Scott D. White, Jennifer H. Jones 2005-3-31 10854 Orange South Coast, City of Laguna Beach. 549 Nyes Place. Proposed home site on c. 0.5 acre. 91 Comment
  RSA749837  Lasthenia coronaria D. Bramlet, Jim Harrison 2008-4-3 4149 Orange South Bee Canyon, Bowerman landfill site. 1.2 km S of the Bee Cyn. access road, and 122 m W of the active landfill. Comment
  RSA0035853  Lasthenia glabrata subsp. glabrata R. E. Riefner Jr. 2012-5-5 12 -85 Orange city of San Clement, Antonio Parkway, c. 0.25 mi north of Hwy 74 88 Comment
Read comments
Apr 7 2021
  UC135152  Lasthenia gracilis C. F. Baker 1904-1-1 4088 Orange Anaheim Comment
  UC484260  Lasthenia gracilis C. B. Wolf 1931-3-6 1847 Orange 1 mi above Trabuco Oaks Trabuco Canyon; Santa Ana Mts. 518 Comment
  RSA657213  Lathyrus latifolius Steve Teh, Marie Gabbard 1994-4-28 20 Orange Modjeska Grade Rd. 2/3 mile back on fire rd. Comment
  SEINET956187  Lathyrus strictus P. C. Everett 1935-1 6292 Orange Santa Ana Mts. Baker Canyon, West Ladd Truck Trail. 1000 Comment
  RSA518451  Lathyrus vestitus subsp. laetiflorus Dorothy Tilforth, C. W. Tilforth 1977-3-6 1253 Orange Small canyon W of Gypsum Canyon, S side of Santa Ana River 152 Comment
  JEPS55289  Lathyrus vestitus var. alefeldii Frank W. Peirson 1925-4-10 Orange Silverado Canyon 457 Comment
  UCD106651  Lathyrus vestitus var. vestitus W. W. 1951-4-25 s.n. Orange Border of Riverside County, west side of Santa Anna Mts. 609 Comment
  RSA35462  Lavatera assurgentiflora subsp. assurgentiflora Emily M. Bradford 1904-3-6 s.n. Orange Ocean Park Comment
Read comments
Sep 13 2013
  RSA603347  Lemna gibba Scott D. White, B. Leatherman 1997-6-12 5325 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
  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
  CAS-BOT-BC221604  Lepechinia cardiophylla John Thomas Howell 1927-6-26 2606 Orange Claymine Canyon, n. Santa Ana Mts. 609 Comment
  IRVC16187  Lepechinia cardiophylla Gordon A. Marsh, Karlin G. Marsh 1978-5-13 s.n. Orange Santa Ana Mtns: Claymine Canyon; road to Coal Canyon Peninsular Ranges 433 Comment
  RSA608238  Lepechinia cardiophylla Steve Boyd, Bart O'Brien 1998-1-13 10072 Orange Santa Ana Mountains: north end of the range, saddle between Mabey and Fremont canyons, along Main Divide Road ( 3S04) ca. 1.0 mi N of Oak Flat. 884 Comment
  RSA787497  Lepechinia cardiophylla Robert F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49705 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  UCR79479  Lepechinia cardiophylla Steve Boyd, K. A. Boyd 1992-7-9 7653 Orange Santa Ana Mtns, along the main crest of the range, north of Pleasants Peak and south of Oak Flat (aka Oat Flat), 3.5 mi. south of junction with Main Divide and Skyline Roads. 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
  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
  RSA697450  Lepidium lasiocarpum Snow 1929-2-25 44 Orange E. of Stanton. Comment
  UCR266422  Lepidium latifolium D. E. Bramlet 2009-11-27 4427 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  SD27942  Lepidium nitidum Carl B. Wolf 1932-2-15 2657 Orange Rancho Santa Ana Botanic Garden, above the Rubus beds 185 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
  UCR102019  Lepidium nitidum B. G. Pitzer 1997-3-25 3026 Orange San Joaquin Hills, Crystal Cove State Park, Pelican Point Area, along the bike trail 30 Comment
  UCR191339  Lepidium nitidum A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34648 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
  UCR191444  Lepidium nitidum A. C. Sanders, Fred M. Roberts 2008-4-8 34726 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, head of Hicks Canyon, S of Santiago Reservoir 351 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
  OBI70646  Lepidium pinnatifidum Louis C. Wheeler 1947-5-4 6476 Orange 4.5 mi S of Santa Ana: South Main Street extension, 0.8 mi S of Newport Ave Comment
  RSA329  Lepidium virginicum var. pubescens J. T. Howell 1927-6-20 172 Orange Botany Garden, Rancho Santa Ana 152 Comment
  RSA776395  Lepidium virginicum var. robinsonii Orlando Mistretta, Christine Mistretta 2010-4-23 5072 Orange Vicinity of Diamond Bar. Hills just E of the State Hwy 57, N of Tonner Canyon Rd, along Southern California Edison transmission line corridor (Segment 8, map sheet 80 per TRTP survey 2010) 249 Comment
Read comments
Nov 17 2018
  UCR193015  Lepidium virginicum var. robinsonii A. C. Sanders, Mitch Provance 2008-5-20 35402 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, mouth of Hangman Tree Canyon just above confluence with Santiago Creek Canyon, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  OBI77796  Lepidospartum squamatum J. & B. Sample, B. Sample 1991-8-12 5591 Orange E of San Juan Capistrano on hwy 74 610 Comment
  RSA703703  Lepidospartum squamatum Fred M. Roberts, David E. Bramlet 2004-7-30 6089 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy Cristianitos Canyon, along Cristianitos Ck., 0.93 km SSW Gato Gate and 0.23 km W Cristianitos Road. 76 Comment
  UCR193821  Lepidospartum squamatum A. C. Sanders, Fred M. Roberts 2008-7-16 35864 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 370 Comment
  UCR58731  Lepidospartum squamatum Reid Moran 1975-11-21 22741 Orange Santa Ana Mtns., bottom of lower Trabuco Canyon Comment
  RSA710596  Leptochloa fusca subsp. uninervia Mark Elvin 2004-5-2 3420 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drs., 1.7 km (air) NNW of UC Irvine Campus center. 3 Comment
  UCR154263  Leptochloa uninervia Mark A. Elvin 2004-5-2 3420 Orange Southern Coastal, Irvine: San Joaquin Freshwater Marsh, near Campus and University Drives; 1.7 km (air) NNW UC Irvine campus center 3 Comment
  UCR17334  Leptodactylon californicum Andrew Alexis 1978-4-29 s.n. Orange Santa Ana Mtns, mouth of Modjeska Canyon. Comment
  UCR230226  Leptodactylon californicum Dick Newell, Don Millar 2011-3-15 084 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Agua Chinon Wash along Limestone Cyn. Rd. 252 Comment
  UCR16662  Leptodactylon californicum subsp. leptotrichomum David M. Peterson 1966-3-9 660309- 11 Orange Peninsular Range; Santa Ana Mtns., 13 mi east of San Juan Capistrano on the road to Elsinore 457 Comment
  RSA542450  Leptosiphon androsaceus Fred M. Roberts 1988-4-10 3905 Orange Lomas De Santiago: Loma Ridge, Upper Limestone Canyon, c.a. 3.2 kilometer NNW Bolero Lookout. 347 Comment
  RSA17141  Leptosiphon floribundus C. B. Wolf 1936-6-17 7951 Orange Long Ortega Highway San Juan Canyon, 5/10 mi. e. of Orange Co. Line Riverside 366 Comment
Read comments
Aug 10 2014
  RSA699631  Leptosiphon floribundus Keith E. Hoffmaster 1934-4-8 s.n. Orange Gypsum can (n. Corona), Santa Ana Mts Comment
Read comments
Dec 11 2011
  SBBG128690  Leptosiphon floribundus subsp. floribundus R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49714 Orange Bedford Truck Trail, ca. 0.8 km below jct with Main Divide Truck Trail; Santa Ana Mtns Comment
  RSA576  Leptosiphon liniflorus J. T. Howell 1927-6-8 58 Orange Botany Garden, Rancho Santa Ana. [original location] 152 Comment
  UCR221896  Leptosiphon liniflorus Dick Newell, Don Millar 2010-10-12 42 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Limestone Canyon Rd. 0.6 mile due east of Limestone Spur 290 Comment
  RSA731967  Leymus condensatus A. Sanders 2008-4-29 35137 Orange Lomas de Santiago, western end of Loma Ridge on road to shriff's training facility, c. 1.5mi SW of Santiago Reservoir. Comment
  UC1543184  Leymus condensatus Donald G. Nelson 1935-6-27 329 Orange beaches s Corona del Mar (bluffs facing ocean, s of mouth of Newport Bay) Comment
  UC712169  Leymus condensatus Charles B. Fiker 1944-7-7 3137 Orange on Bill Rochester's ranch Trabuco Canyon Comment
  UCSB50646  Leymus condensatus Roberts, Fred; Allen, R. 1982-7-4 Orange Carbon Canyon, Carbon Canyon Rd., 0.4km by road SW County line; 2.3km NW Gilman Peak; Chino Hills 260 Comment
  RSA124  Lilium humboldtii subsp. ocellatum J. T. Howell 1927-7-3 262 Orange Claymine Canyon near Sierra Peak. 305 Comment
  IRVC26901  Limonium R. E. Reifner 2002-5-4 20 92 Orange Upper Newport Bay; Jamboree Road at Bayview Drive. Southern Coastal 15 Comment
  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
  RSA357146  Limonium californicum var. mexicanum Robert F. Thorne 1975-4-6 45583 Orange Head of Newport Bay. Comment
  UCR266377  Limonium duriusculum D. E. Bramlet 2009-11-27 4417 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  RSA723489  Limonium duriusculum R. E. Riefner 2006-11-12 6 -67 Orange City of Newport Beach, San Diego Creek near confluence with Newport Bay near SR73 overpass. 6 Comment
  RSA716344  Limonium ramosissimum R. E. Riefner 2006-8-11 6 -386 Orange Upper Newport Bay, E of Back Bay - Bayside Dr. flats along Big Canyon Creek. 5 Comment
  CAS-BOT-BC226772  Linanthus californicus Marcus E. Jones 1926-3-10 s.n. Orange Near Santa Ana Canon [Canyon] Comment
  CAS-BOT-BC226779  Linanthus californicus T. Cass 1975-4-11 1517 Orange Ladd Canyon Comment
  UCD39066  Linanthus californicus Beecher Crampton 1963-5-7 6789 Orange 11 miles northeast of San Juan Capistrano, State Hwy. 74, Lower San Juan Canyon, Santa Ana Mtns. Comment
  RSA584716  Linanthus californicus subsp. glandulosus Fred M. Roberts 1989-5-18 4370 Orange Santa Ana Mountains: Upper Gypsum canyon, above ridge road, ca. 6.4 km WSW Sierra Peak. 415 Comment
  RSA0127419  Linanthus dianthiflorus Fred M. Roberts 2016-3-17 8014 Orange San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp. 314 Comment
  RSA698395  Linanthus dianthiflorus L. C. Hull 1934-3-11 s.n. Orange Ortega Highway. Comment
  RSA753417  Linanthus dianthiflorus D. E. Bramlet 2008-3-31 4137 Orange 223m E of Upper Hicks Haul Rd, Trib. to Limestone Cyn, 1km S of Santiago Cyn Rd. 328 Comment
  SD27975  Linanthus dianthiflorus Carl B. Wolf 1932-3-8 2675 Orange I(c) mile No. of Corona Del Mar. Borders of Newport Bay 7 Comment
  RSA539354  Linanthus dianthiflorus subsp. dianthiflorus Fred M. Roberts, Karen Kirtland 1989-2-22 4185 Orange San Joaquin Hills: Pelican Hill, 0.5km ESE Summit. 177 Comment
  SD254679  Linanthus liniflorus D. E. Bramlet 2008-5-20 4278 Orange Peninsular Range: Santqa Ana Mountains Foothills: Northern Loma Ridge, 305 m west of Hwy 241, 975 m south of Santiago Canyon Road, 61 m north of access road (Black Star Canyon 7.5'Q) 355 Comment
  UC564024  Linanthus parviflorus L. R. Abrams 1935-4-7 13681 Orange San Juan Hot Springs Mouth of San Juan Canyon Comment
  UCR186427  Linum grandiflorum Robert DeRuff 1994-5-16 469 Orange Southern Coast, Newport Beach, Newport Back Bay, south of 23rd St., below a row of houses 5 Comment
  UCSB15005  Lithophragma heterophyllum Breedlove, Dennis 1962-3-9 Orange 14.3 miles east of San Juan Capistrano on State 74 335 Comment
  UCR193805  Lobelia dunnii var. serrata A. C. Sanders, Fred M. Roberts 2008-7-16 35837 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  RSA782058  Lobularia maritima Mark A. Elvin 2003-2-23 2313 Orange Irvine, San Joaquin Marsh along the berm of San Diego Creek 3 Comment
  SD247597  Logfia gallica R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49657 Orange Northern Santa Ana Mountains: Coal Canyon (NW of Sierra Peak). Comment
  CAS-BOT-BC283493  Lolium multiflorum Carl B. Wolf 1932-6-13 3717 Orange Fullerton, Malvern, and Nicholas Avenues 53 Comment
  CAS-BOT-BC269105  Lolium perenne Ira L. Wiggins 1965-9-26 20259 Orange At west end of Orangethorpe Estates subdivision, near Atwood Comment
  CAS-BOT-BC269107  Lolium perenne Carl B. Wolf 1932-6-13 3714 Orange Fullerton, Rose Drive 53 Comment
  CAS-BOT-BC269108  Lolium perenne Scott D. White 1997-3-26 4810 Orange Univ. of Calif. Irvine Campus: Site of proposed student recreation center, east of main campus. Existing Farm School and adjacent grasslands (horse pasture) between California Ave. and Culver Dr. 30 Comment
  RSA184121  Lolium perenne I. L. Wiggins 1965-10-24 20290 Orange At corner of Yorba Linda and State College Blvds., Fullerton Comment
  SEINET8465373 Image available Lomatium dasycarpum Norman Cooper 1944-6-4 1324 Orange Elsinore Mountain 1067 Comment
  RSA529  Lomatium lucidum J. T. Howell 1927-6-26 221 Orange Claymine Canyon near Sierra Peak 366 Comment
  RSA0105319  Lomatium lucidum J. D. Olmsted 1959-5-1 518 Orange 500 yards west of Oat Flat past Johnson s dam; 9 mi. SW of Corona. Santa Ana Mountains. Drainage area: to Irvine Res. 792 Comment
  UCR230833  Lonicera subspicata Dick Newell, Judy Booth 2011-6-19 178 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Rd., Cleveland National Forest, above Santiago Canyon 763 Comment
  UCSC001314  Lonicera subspicata Peter Kamb 1948-6-19 1104 Orange Holy Jim Canyon, Santa Ana Mts. 610 Comment
  RSA220958  Lonicera subspicata var. denudata E. W. Lathrop s.n. Orange 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, trabuci District. Comment
  UCR26985  Lonicera subspicata var. johnstonii E. W. Lathrop 1966-1 6187 Orange 4 mi NE of Lake Irvine, Black Star Canyon, Cleveland National Forest. Comment
  RSA450859  Lotus argophyllus Gordon Marsh, K. G. Marsh 1977-11-21 s.n. Orange Santa Ana Mts.: N side of Ortega Hwy, near Hwy marker #31, near O.C. Surveyor Bench Mark #3W-24-72. Comment
  RSA234567  Lotus corniculatus James Henrickson 1970-8-22 5300 Orange 2.5 miles NNW of Huntington Beach. 0 Comment
  UC1543240  Lotus hamatus Donald G. Nelson 1935-4-14 286 Orange facing Newport Bay and the ocean (along main coast highway); Newport Beach Comment
  RSA2591  Lotus heermannii J. T. Howell 1928-7-10 1092 Orange Trabucco Canyon, Santa Ana Mts. 518 Comment
  UCR173936  Lotus heermannii A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33005 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
  RSA749302  Lotus salsuginosus Fred M. Roberts 1999-4-21 5181 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
  UCR191350  Lotus salsuginosus A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34637 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
  UCR192735  Lotus salsuginosus A. C. Sanders, Fred M. Roberts 2008-5-6 35232 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon, just above tollway (Hwy 241) crossing on Irvine Haul Rd., near debris basin 216 Comment
  RSA620349  Lotus salsuginosus var. salsuginosus B. Pitzer, M. Georgiady 1997-4-5 3067 Orange San Joaquin Hills Crystal Cove State Park, along No Dogs Trail (from parking area, along western bottom edge of ridge between Muddy Canyon and Moro Canyon), to just below intersection with Poles trail 152 Comment
  RSA498846  Lotus scoparius E. S. Spalding 1923-12-1 20335 Orange San Juan Capistrano, sea shore. Comment
  RSA614343  Lotus scoparius B. Pitzer 1996-4-30 2802 Orange San Joaquin Hills Crystal Cove State Park, south of City of Irvine on State Hwy 1 (Pacific Coast Hwy). 15 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
  RSA697976  Lotus scoparius Elisabeth Norland 1929-1 s.n. Orange Along highway-Laguna Beach. Comment
  IRVC2240  Lotus scoparius subsp. scoparius J. Morgan 1965-4-4 Orange Laguna Canyon. Laguna Beach Comment
  RSA406319  Lotus strigosus var. strigosus M. B. Dunkle 1934-6-18 3971 Orange Upper San Juan Canyon. 610 Comment
  IRVC2225  Lotus strigosus var. strigosus E. P. Cowper 1964-4-10 Orange Corona del Mar Highschool. Newport Beach Comment
  SEINET3560062 Image available Lotus subpinnatus T. Mosquin, P. H. Raven 1962-5-17 4274 Orange Silverado Canyon, Santa Ana Mts. 701 Comment
  RSA406436  Lotus unifoliolatus N. C. Cooper 1944-6-4 1335 Orange San Juan Canyon, lower camp ground. 457 Comment
  POM201832  Lotus wrangelianus L. M. Booth 1932-5-19 1073 Orange Newport Bay. Comment
  UC1608265  Lotus wrangelianus Steve Boyd and Tim Ross 1992-5-20 7485 Orange Lucas Canyon at the Lucas Canyon Trail crossing, just downstream from crossing, w edge of the San Mateo Canyon Wilderness Area Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 320 Comment
  RSA717042  Ludwigia peploides Fred M. Roberts, Chris M. Barnhill 2005-9-27 6285 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano. 27 Comment
  CAS-BOT-BC198413  Lupinus albifrons var. albifrons Andrew S. Wheeler 2009-5-12 40305 RSA Orange Long Canyon road, between Blue Jay Campground and Convict Camp, 4 miles west of Lake Elsinore Comment
  RSA413650  Lupinus albifrons var. eminens Albert J. Perkins 1923-6-24 s.n. Orange Silverado Canyon Comment
  JEPS65411  Lupinus bicolor Alice King 1908-4-18 Orange Santa Ana Mts. Comment
  UCSB47626  Lupinus bicolor Roberts, Fred 1980-5-3 Orange Santa Ana Mountains: Main Divide Truck Trail, 1.1 km. SE Blue Jay Campground; 2.6 km. WSW El Cariso Guard Station 902 Comment
  RSA184093  Lupinus bicolor subsp. umbellatus I. L. Wiggins 1966-3-22 20546 Orange Silverado Canyon about 5 miles above Ranger Station, Cleveland National Forest. Comment
  IRVC24765  Lupinus bicolor subsp. umbellatus Fred M. Roberts 1986-4-24 2790 Orange Rancho Mission Viejo: Canyon east of Trampas Canyon, S of Hwy 74, 2.5km E Viejo Survey Mark. Santa Ana Mountains 113 Comment
  IRVC8531  Lupinus bicolor subsp. umbellatus Charles W. Sexton 1973-3-19 s.n. Orange Irvine: Bonita Canyon Rd. Southern Coastal Comment
  RSA594823  Lupinus concinnus subsp. concinnus Fred M. Roberts Jr., Sandra Leatherman, Brian Leatherman 1994-4-24 4917 Orange Santa Ana Mtns.: Lower Hot Springs Canyon, ca. 1 km NNW Juan Rancho Survey mark. 268 Comment
  SBBG103895  Lupinus excubitus B. Pitzer, S. Hemstreet 1992-5-27 1964 Orange USFS Rd 3S04 to Blue Jay Group Cmpgrd, off St Hwy 74, ca. 2 air mi W of El Cariso Cmpgrd 762 Comment
  SD140102  Lupinus excubitus B. Pitzer, S. Hemstreet 1992-5-27 1964 Orange Cleveland National Forest, along road (3S04) to Blue Jay Group Campground, off State Hwy 74 (Ortega Hwy), ca. 2 airmiles west of El Cariso Campground 762 Comment
  RSA2098  Lupinus excubitus var. hallii B. D. Stark 1931-4-18 1939 Orange Mouth of Gypsum Canyon, Santa Ana Mts, Santa Ana Canyon opposite the Botanic Garden. 152 Comment
  RSA3236  Lupinus excubitus var. hallii Carl B. Wolf 1931-5-20 2056 Orange Along Santa Fe R. R. 1 mile west of Esperanza 107 Comment
  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
  RSA413701  Lupinus hirsutissimus M. B. Dunkle 1933-3-5 3081 Orange San Juan Canyon. Comment
  SD143895  Lupinus hirsutissimus Scott D. White 1997-3-28 4837 Orange Santa Ana Mountains, above Modjeska Canyon, proposed water tank site; USGS Santiago Peak 7.5' quad. 424 Comment
  SEINET10870668  Lupinus hirsutissimus Carl B. Wolf 1931-3-6 Wolf 1843 Orange Trabuci canyon, 1/2 mi. Above trabuco oaks, w slope of santa ana mts. 457 Comment
  POM2601  Lupinus longifolius Philip A. Munz 1918-5-4 2201 Orange Laguna Beach. Comment
  RSA4866  Lupinus longifolius E. R. Johnson 1932-4-15 2957 Orange Rancho Santa Ana, 1mile NWof Roundtop (section 16) 457 Comment
  UC1543209  Lupinus longifolius Donald G. Nelson 1935-4-6 218 Orange up San Juan Canyon (n from summer ranger station on main highway, e of San Juan Capistrano, just s of boundary of Cleveland National Forest); just s of boundary of Cleveland National Forest Comment
  UCR177285  Lupinus microcarpus Scott D. White, Amanda Duchardt 2003-5-1 9152 Orange Santa Ana Mountains, Slopes above the west side of Canada Gobernadora and adjacent small canyon to the west 122 Comment
  IRVC16566  Lupinus sparsiflorus subsp. sparsiflorus Gordon A. Marsh, Karlin G. Marsh 1978-5-2 s.n. Orange Santa Ana Mountains; Silverado Truck Trail. Peninsular Ranges 884 Comment
  RSA13190  Lupinus sparsiflorus subsp. sparsiflorus Percy C. Everett 1935-5-6 6754 Orange Santa Ana canyon, Rancho Santa Ana, Railroad embankment. 152 Comment
  IRVC15180  Lupinus sparsiflorus subsp. sparsiflorus Gordon A. Marsh, K. Conrey 1977-4-14 s.n. Orange Lomas de Santiago: Lomas Ridge, 1/4mi NNW Rattlesnake Canyon Reservoir Dam. Southern Coastal Comment
  RSA507484  Lupinus succulentus Jeri Hirshberg 1988-6-7 s.n. Orange Santa Ana Mountains, head of Gypsum Canyon 412 Comment
  SDSU5016  Lupinus succulentus R. M. Beauchamp 1968-2-17 769 Orange On north side of Trabuco Rd., opposite Catholic cemetery. Comment
  UCR281555  Lupinus succulentus Mitch Provance, Jeremiah George 2017-3-20 317- 120 Orange West Coyote Hills, Fullerton, vicinity of Utility Access Roads E of Gilbert Street and N of Castlewood Dr., on land previously occupied by oil fields. 137 Comment
  IRVC2353  Lupinus truncatus A. S. Boughey 1965-3-9 18 Orange San Joaquin Hills. Southern Coastal Comment
  RSA414369  Lupinus truncatus Fay A. MacFadden 2939 Orange Laguna Beach. Comment
  RSA737536  Lupinus truncatus Fred M. Roberts 2008-3-12 6726 Orange Dana Point: Dana Point Headlands CNLM Preserve, western side, c.a. 0.8 km W Marine Institute (Dana Point Harbor). 50 Comment
  UCR193438  Lupinus truncatus A. C. Sanders, Mitch Provance 2008-5-20 35393 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, mouth of Hangman Tree Canyon just above confluence with Santiago Creek Canyon, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  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
  UCR253000  Lycium brevipes var. hassei R. E. Riefner Jr. 1995-3-19 95- 77 Orange South Coast, San Clemente State Beach 40 Comment
  RSA428835  Lycium californicum Freda Detmers 1929-5-12 s.n. Orange Capistrano Beach Comment
  RSA80318  Lycium californicum F. W. Peirson 1919-11-8 1085 Orange South of Arch Beach, near Laguna Beach Comment
  RSA0014841  Lythrum californicum Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49631 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  RSA0014842  Lythrum californicum J. T. Howell 1927-7-15 403 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  RSA0014847  Lythrum californicum I. M. Johnston 1924-8-29 s.n. Orange 4 mi. S of Santa Ana. Comment
  UCR193072  Lythrum hyssopifolia A. C. Sanders, Mitch Provance 2008-5-20 35422 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 355 Comment
  RSA638971  Madia gracilis Valerie L. Soza, LeRoy Gross 1999-6-8 496 Orange Santiago and Modjeska Canyons, above Tucker Wildlife Sanctuary, above the town of Modjeska 518 Comment
  POM124505  Malacothamnus fasciculatus L. R. Abrams 1918-5-26 s.n. Orange Near Laguna Beach Comment
  RSA433312  Malacothamnus fasciculatus Unspecified 1918-1 s.n. Orange Laguna Comment
  RSA472  Malacothamnus fasciculatus J. T. Howell 1927-6-20 170 Orange Botany Garden, Rancho Santa Ana. 152 Comment
  RSA647941  Malacothamnus fasciculatus Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-1 17 Orange 1/2 mile south of Chino Hills State Park. 198 Comment
  UCR166728  Malacothamnus fasciculatus Scott D. White, Jennifer H. Jones 2005-3-31 10861 Orange South Coast, City of Laguna Beach. 549 Nyes Place. Proposed home site on c. 0.5 acre. 91 Comment
  UCR44901  Malacothamnus fasciculatus B. G. Pitzer, L, L. F. LaPre 1986-10-20 0322 Orange Trabuco Road at intersection with Sand Canyon Avenue, NW of El Toro Marine Air Station 79 Comment
  UCR73130  Malacothamnus fasciculatus Scott D. White 1992-9-23 848 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
  UCR98122  Malacothamnus fasciculatus George K. Helmkamp, E. A. Helmkamp 1997-4-24 1652 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 1.6 mi. SE of Ortega Hwy (Calif. Hwy 74) on Rd. 7-S14 549 Comment
  RSA0039647  Malacothamnus fasciculatus T. Sargent 1959-5-17 s.n. Orange South slope of ridge on south side of Santa Ana Canyon, opposite Orange turn-off. Comment
  RSA95321  Malacothamnus fasciculatus F. W. Peirson 1924-5-31 4662 Orange Sea bluffs at Laguna Beach. Comment
  RSA703645  Malacothrix saxatilis var. saxatilis R. E. Riefner Jr. 1999-8-21 99 -360 Orange Laguna Beach, west of Pacific Coast Hwy., vicinity of Aliso Creek Park and south to West Drive. 15 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
  UC582778  Malacothrix saxatilis var. tenuifolia P. A. Munz 1936-6-20 14177 Orange road at La Vida Springs Carbon Canyon Comment
  CDA1091  Malephora crocea D. G. Kelch 2006-12-9 6 .543 Orange Along Newport Back Bay Dr. in side canyon. Comment
  UCR188926  Malephora luteola Robert DeRuff 2007-11-24 s.n. Orange Newport Beach, Newport Back Bay,Big Canyon just west of San Joaquin Hills Road 34 Comment
  CAS-BOT-BC167851  Malosma laurina John Thomas Howell 1927-7-16 2784 Orange Hills on north side of Santa Ana [Canon] Canyon 152 Comment
  RSA696481  Malosma laurina J. R. Bruff 1934-6-30 586 Orange High school campus Comment
Read comments
Sep 13 2013
  SD236159  Malosma laurina A. C. Sanders, Fred M. Roberts 2008-6-17 35462 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, Loma Ridge on Hicks Canyon Haul Road, c. mideway between Foothill Transportation Corridor and Santiago Cyn. Rd. 334 Comment
  RSA0089200  Malva parviflora Fred M. Roberts 2014-4-21 7852 Orange South Coast: San Joaquin Hills: Laguna Lake 1 (Upper Laguna Lake), south basin. 113 Comment
  POM2953  Malvella leprosa P. A. Munz 1918-5-4 2205 Orange Laguna Lakes, Laguna. Comment
  RSA5943  Malvella leprosa Carl B. Wolf 1932-7-7 3855 Orange Bryant Ranch. On Bryant Avenue. 0.1 mile E of Los Alamitos Blvd. (0.1 mi E of NW corner of SE 1/4 sect 30) 8 Comment
Read comments
Apr 10 2016
  RSA627789  Malvella leprosa Scott D. White 1998-6-26 6779 Orange South Coast: Univ. of Calif. Irvine Campus. Along mapped intermittent blueline stream just N of Bonita Cyn Dr. 61 Comment
  CDA35815  Malvella leprosa Robert L. Pope 1957-5-17 Orange [No other data] 0 Comment
  RSA441225  Marah macrocarpa M. B. Dunkle 1931-2-19 3839 Orange San Juan Canyon Comment
  UCR192630  Marah macrocarpa A. C. Sanders, Fred M. Roberts 2008-3-25 34524 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA0043354  Marrubium vulgare David Barrios 1991-5-8 21 Orange 1500 ft. northwest of Fairmont Ave and Quail Cir., Yorba Linda. 365 Comment
  RSA658205  Marrubium vulgare T. A. Daubert 1991-5-19 651 Orange Tucker Wildlife Sanctuary, Modjeska Canyon, turn around island. Comment
  UC1292308  Matricaria occidentalis C. L. Hitchcock and C. V. Muhlick 1964-3-17 23065 Orange 8 mi e Yorba Linda; Santa Ana Canyon 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
  RSA733697  Medicago hispida Keith E. Hoffmaster 1927-2-17 439 Orange Santa Ana Comment
  IRVC2385  Medicago polymorpha Polly Brecht 1965-4-3 s.n. Orange Newport Beach; Redlands Dr. and Cherry Tree Lane. Southern Coastal Comment
  IRVC2388  Medicago polymorpha Randy Acevedo 1965-5-5 HS 413 Orange Newport Beach; [Newport] Back Bay. Southern Coastal Comment
  UCD107895  Medicago polymorpha Ira L. Wiggins 1966-3-22 20539 Orange About 5 miles above Ranger Station, Cleveland National Forest, Silverado Canyon. Comment
  RSA399  Medicago polymorpha J. T. Howell 1928-2-7 823 Orange Near the ranch houses, Rancho Santa Ana 152 Comment
  RSA709724  Medicago polymorpha J. B. Anderson 1966-4-16 581 Orange Corona Del Mar: Buck Gully - Little Corona Beach. 0 Comment
  UCD170851  Medicago truncatula A. C. Sanders; Fred M. Roberts 2008-5-6 35258 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
  RSA785574  Melaleuca nesophila R. E. Riefner Jr., Cindy Hopkins 2011-7-1 11 -82 Orange City of Newport Beach. Beach area west of the end of Cameo Shores Road. South ca. 1 mi from Poppy Ave. 2 Comment
Read comments
Dec 20 2012
  UCR241060  Melia azedarach Dick Newell, Don Millar, Judy Booth 2012-12-15 312 Orange Peninsular Range; Santa Ana Mtns., Fremont Canyon at mouth, 1/5 mi. NE of Irvine Dam spillway 206 Comment
  IRVC26847  Melica frutescens S. D. White 1997-3-28 4840 Orange Above Modjeska Canyon, proposed water tank site. Santa Ana Mountains 427 Comment
  RSA598969  Melica frutescens Scott D. White 1997-3-28 4840 Orange Santa Ana Mountains: above Modjeska Canyon, proposed water tank site. 427 Comment
  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
  IRVC2399  Melilotus albus L. Stilgenbauer 1965-4-8 s.n. Orange Newport Beach; Corona del Mar. Southern Coastal Comment
  IRVC2403  Melilotus albus Janet Morgan 1965-3-22 s.n. Orange San Clemente; Elmore Ranch. Southern Coastal Comment
  RSA234512  Melilotus albus James Henrickson 1970-7-24 5007 Orange 3 miles NW of Huntington Beach on sandy ''Rabbit'' Island in Bolsa Chica Salt March near Inner Bolsa Bay. 1 Comment
  RSA730996  Melilotus albus Fred M. Roberts 2006-11-15 6470 Orange Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing. 85 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
  IRVC20467  Melilotus indicus Fred M. Roberts 1983-5-13 1059 Orange Dana Point Headlands; N of Scenic Dr., 0.5km W Dana Point Harbor; 0.7km SSW Richard Henry Dana School. Southern Coastal 79 Comment
  IRVC2414  Melilotus indicus J. B. Anderson 1966-4-12 568 Orange Newport Beach; [Newport] Back Bay. Southern Coastal Comment
  IRVC2423  Melilotus indicus Chris Salcido 1965-5-8 s.n. Orange Newport Beach; [Newport] Back Bay. Southern Coastal Comment
  IRVC2426  Melilotus indicus Janet Bryant 1965-3-14 Orange Costa Mesa; Redlands Dr. and Santa Isabel. Southern Coastal Comment
  OBI30222  Melilotus indicus Nancy J. Mann 1976-5-16 s.n. Orange 1.2 mi N of Modjeska Cyn rd on Santiago cyn rd, Charlton Ranch, Santa Ana Mts. Area burned 8 Dec. 1975 Comment
  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
  POM201874  Melilotus indicus L. M. Booth 1932-5-12 1018 Orange Newport Bay. Comment
  UCSB12537  Melilotus indicus Whittington, M. 1962-4-17 Orange Vacant lot south of Katella Avenue two blocks east of Tustin Avenue Comment
  RSA733975  Mentha spicata Keith E. Hoffmaster 1926-12-18 428 Orange Santa Ana. Comment
  RSA759106  Mentzelia Robt. Allen, Genevieve Walden 2008-6-26 s.n. Orange Modjeska Peak. N face, along access road up Modjeska Peak, outside the sharp bend in the extreme N end of the road. Survey point 47. 1514 Comment
  SEINET7073428  Mentzelia affinis A. G. Vestal 1963-4-24 s.n. Orange La Paz Canyon, Rancho Mission Viejo. Coordinate datum: NAD27. Comment
  RSA0014074  Mentzelia micrantha Fred M. Roberts 2008-5-28 7011 Orange Lomas de Santiago: Loma Ridge, south fork Rattlesnake Cyn., 2.0km above Rattlesnake Reservoir dam and 2.2km WNW Bee Peak. 230 Comment
  RSA562737  Mentzelia micrantha Steve Boyd, Tim Ross 1992-5-20 7453 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
  CAS-BOT-BC435233  Mesembryanthemum crystallinum Carl B. Wolf 1927-7-23 667 Orange Just no. of San Clemente Comment
  POM201709  Mesembryanthemum crystallinum L. M. Booth 1932-6-29 1224 Orange Newport Bay. Comment
  RSA144559  Mesembryanthemum crystallinum P. H. Raven 1957-9-28 11400 Orange Laguna Beach. Comment
  UC149125  Mesembryanthemum nodiflorum LeRoy Abrams 1903-4-20 3280 Orange near San Juan (along the seashore); Southern California Comment
  RSA18532  Mesembryanthemum nodiflorum C. B. Wolf 1927-7-23 665 Orange Along the coast just north of San Clemente. Comment
  RSA18535  Mesembryanthemum nodiflorum C. B. Wolf 1927-7-23 662 Orange Along the coast just north of San Clemente. Comment
  RSA608535  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-3-27 2297 Orange University of California, Irvine Campus, adjacent to the UCI Ecological Reserve. The site is 150 ft. SW of the end of Los Trancos Dr. & 250 ft. E of the reserve entrance. 61 Comment
  RSA627753  Microseris douglasii subsp. platycarpha Scott D. White 1998-3-16 6210 Orange Univ. of Calif. Irvine Campus: Site of proposed Research Park. Southwest of main capmus circle ca. halfway between Berkeley Ave. and new freeway (Bonita Cyn.). 37 Comment
  RSA651497  Microseris douglasii subsp. platycarpha D. E. Bramlet 2000-4-21 2990 Orange Exposed terraces 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. 69 Comment
  RSA685937  Microseris douglasii subsp. platycarpha Fred M. Roberts, David E. Bramlet 2003-3-27 5621 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Chistianitos Cyn., 0.79km N Sycamore Gate, 0.23km W Chistianitos Rd. 122 Comment
  RSA702990  Microseris douglasii subsp. platycarpha D. E. Bramlet, Fred M. Roberts 2003-3-27 3358 Orange Donna O'Neill Reserve. NE corner of the reserve 23m west of Cristianitos Rd. and 168m north of the E-W access road. 120 Comment
  UCR142519  Microseris douglasii subsp. platycarpha D. E. Bramlet 2000-4-17 2983 Orange Peninsular Range; Santa Ana Mtns., 2 km west of Blind Canyon and 305m north of Irvine Park, 183m southwest of MWD access road 220 Comment
  RSA651500  Microseris douglasii subsp. platycarpha D. E. Bramlet 2000-4-12 2972 Orange Fremont Canyon. The site is 183m south of the existing access road on the north ridge of the canyon. The site is 1.37km northeast of Santiago Creek. 336 Comment
Read comments
Feb 21 2007
  RSA749643  Microseris heterocarpa D. E. Bramlet, Fred M. Roberts 2008-4-4 4174 Orange Ridgeline above Limestone Cyn (East Loma Ridge), 1.57km west of Limestone Cyn. & 795m E of Round Cyn. 533 Comment
  UCR107841  Microseris heterocarpa Scott D. White 1998-3-18 6213 Orange UCI, site of proposed research park, c. halfway between Berkeley Ave. and new freeway. 37 Comment
  UCR98256  Microseris lindleyi Scott D. White 1997-3-28 4846 Orange Santa Ana Mountains, Above Modjeska Canyon, proposed water tank site. 488 Comment
  UC1577075  Mimulus A. Lewis Mar 1934 365 Orange Head of Silverado Canyon Cleveland National Forest, Corona Quadrangle Comment
  UC217850  Mimulus P. A. Munz, R. D. Harwood 1920-4-24 3758 Orange Sierra Canyon Santa Ana Mts. 365 Comment
Read comments
Sep 17 2011
  SEINET12269785  Mimulus aurantiacus Unknown 1933-1 8205 Orange back of La Guna Beach Comment
  RSA734650  Mimulus aurantiacus var. aurantiacus A. C. Sanders, Fred M. Roberts, Amber O'Neal, D. E. Bramlet 2008-5-9 35300 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, along old dirt road c. 1.25 mi. ESE of Walnut Cyn Reservoir. 340 Comment
  UCR116521  Mimulus aurantiacus var. aurantiacus Dan Hare 2001-5-1 s.n. Orange South Coastal Plains region, Aliso Canyon Regional Park, approximately 3.3 km from the Pacific Ocean, near South Laguna 100 Comment
  RSA0013911  Mimulus aurantiacus var. pubescens Fred M. Roberts 2012-4-24 803784 Orange San Joaquin Hills: Buck Gully, tributary canyon below San Joaquin Hills Road and 2.0 km W Signal Peak 167 Comment
  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
  RSA448177  Mimulus aurantiacus var. pubescens Albert J. Perkins 1920-6-12 s.n. Orange Corona del Mar Comment
  RSA5275  Mimulus aurantiacus var. pubescens B. D. Stark 1933-1-21 4521 Orange San Clemente. 15 Comment
  UCSB56675  Mimulus aurantiacus var. pubescens Roberts, Fred 1984-2-4 Orange Laguna Beach; South Laguna; Temple Hill; Upper Hobo Canyon; 1.2km NNE Goff Island; 2.4 km S Top of the World School 200 Comment
  OBI9518  Mimulus aurantiacus var. puniceus H. E. McMinn 1949-6-9 5617 Orange About 3 mi E of San Juan Capistrano on hwy 74 Comment
  RSA747634  Mimulus aurantiacus var. puniceus Fred M. Roberts 2008-5-16 6981 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
  UCR116517  Mimulus aurantiacus var. puniceus Dan Hare 2001-5-1 s.n. Orange South Coastal Plains region, Crystal Cove State Park, approximately 5 km north of the city of Laguna Beach, 1.2 km inland from the coast 50 Comment
  UCR140800  Mimulus aurantiacus var. puniceus Robin G. Marushia 2004-4-16 001 Orange Southern Coast, El Moro Canyon, Crystal Cove State Park, Laguna Beach; grassy ridge southwest of No Name Ridge road in park, downhill from pullout and below closed road to park entrance 244 Comment
  UCR47667  Mimulus aurantiacus var. puniceus D. C. Michener 1980-5-15 3661 Orange Peninsular Range; Santa Ana Mtns., San Juan river drainage, along unnamed creek 488 Comment
  RSA790707  Mimulus brevipes R. H. McArthur 1934-4-28 16 Orange Trabuco and Ladd Canyons. PR8. Comment
  UC1012125  Mimulus brevipes F. W. Pennell and Carl Epling 1940-4-21 25148 Orange 5 mi e San Luis Capistrano (Route 74) 60 Comment
  RSA285708  Mimulus clevelandii D. C. Michener 1982-5-24 4042 Orange Main divide truck route, 5.9 miles north of El Cariso Comment
  RSA7634  Mimulus clevelandii Carl B. Wolf 1933-11 20009 Orange Trabuco Canyon, so wall, opposite the Trabuco truck trail. Comment
  UC718321  Mimulus clevelandii P. C. Everett 1936-8-28 8233 Orange head Trabuco Canyon (Mian Divide Motorway); Santa Ana Mts. 1158 Comment
  UCR230839  Mimulus clevelandii Dick Newell, Judy Booth 2011-6-19 181 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Rd., Cleveland National Forest, above Santiago Canyon 1086 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
  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
  CSUSB1909  Mimulus puniceus Mike Simmons 1975-5-28 Orange Highway 5, 2 miles west of Laguna Canyon Road 60 Comment
  RSA698208  Mirabilis laevis Stephen Bruff s.n. Orange Lemon Heights. Comment
  UCR191457  Mirabilis laevis A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34651 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
  RSA276  Mirabilis laevis var. crassifolia J. T. Howell 1927-6-21 176 Orange Near ranch houses, Rancho Santa Ana. 152 Comment
  UCR267183  Mirabilis laevis var. crassifolia Fred M. Roberts 2010-3-12 7178 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
  RSA0028031  Mollugo verticillata Fred M. Roberts, Laura Cohen 2012-10-31 7717 Orange San Joaquin Hills: Laguna Lake 1 (Upper Laguna Lake), north end. Laguna Coast Wilderness Park, ca. 5.1 kilometers ENE Signal Hill. 113 Comment
  UC537286  Monanthochloe littoralis Lawrence M. Booth 1932-7-27 1318 Orange Newport Bay Comment
  RSA0059067  Monanthochloe littoralis CNPS Accuracy Assessment Team 2014-7-9 9563 .2 Orange Upper Newport Bay Nature Reserve. Comment
  UCSB52887  Monardella breweri subsp. lanceolata Roberts, Fred 1983-9-26 Orange Santa Ana Mtns., Lion Canyon, Chiquito Basin Trail, 3.3km NNE Lower San Juan Picnic Ground 4.3km SSE Los Pinos Peak 810 Comment
  IRVC28200  Monardella hypoleuca A. C. Sanders, Mark A. Elvin 2005-9-2 31609 Orange Upper Holy Jim Canyon, a major tributary of Trabuco Cyn, along trail in the switchbacks. Santa Ana Mountains 970 Comment
Read comments
Aug 13 2012
  RSA765071  Monardella hypoleuca A. C. Sanders, Mark A. Elvin 2005-9-2 31607 Orange Upper Holy Jim Canyon, a major tributary of Trabuco Canyon, along the trail in the switchbacks 820 Comment
Read comments
Aug 13 2012
  RSA0005450  Monardella hypoleuca Steve Boyd 1994-9-14 8352 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucus Canyon Trail crossing. 305 Comment
  RSA0010789  Morus Fred M. Roberts, Michelle Balk, Robert Allen, Chris Barnhill 2004-6-19 6060 Orange Santa Ana Mtns.: Holy Jim Cyn.: Holy Jim Trail, 3.3km SE summit of Santiago Peak. 628 Comment
  CAS-BOT-BC263361  Muhlenbergia asperifolia John Thomas Howell 1927-7-27 2852 Orange Santa Ana River bottom, Santa Ana Canyon 152 Comment
  POM147619  Muhlenbergia asperifolia F. M. Reed 1927-9-19 5470 Orange Santa Ana Canon Highway at Peralta Heights 91 Comment
  UCR205983  Muhlenbergia asperifolia R. E. Riefner Jr. 2000-3-26 20- 150 Orange Peninsular Range, Santa Ana Mountains: North Ranch Policy Plan Area, Fremont Canyon, north of major stream fork along west channel drainage 335 Comment
  UCSB56503  Muhlenbergia asperifolia Marsh, G.; Marsh, K. 1977-11-21 Orange San Juan Hot Springs; Santa Ana Mtns Comment
Read comments
Sep 17 2007
  RSA587869  Muhlenbergia microsperma Fred M. Roberts, Carol A. Roberts 1990-5-16 4631 Orange Santa Ana Mtns: Small canyon along SE side of Irvine Mesa, 3.5 km N Bolero Lookout 396 Comment
  RSA752038  Muhlenbergia microsperma Fred M. Roberts 2008-3-27 6811 Orange Dana Point: Dana Point Headlands, CNLM Preserve near Outlook 1, 0.5km W Marine Institute (Dana Point Harbor). 45 Comment
  RSA790096  Muhlenbergia microsperma R. E. Riefner Jr. 2011-8-16 11 -99 Orange Newport Beach, Orange County Parks and Recreation lands, along Newport Coast Drive, between Vista Ridge Rd. & Alteza Rd. 281 Comment
  UC971743  Muhlenbergia microsperma L. M. Booth 1932-6-29 1226 Orange Newport Bay 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
  UCR112109  Myoporum laetum A. C. Sanders, D. Malueg, K. D. Jones 2000-4-19 23335 Orange Pacific Coast, Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St. 11 Comment
  CAS-BOT-BC219357  Nama stenocarpa Helen D. Geis 1902-1-1 551 Orange Laguna Lake, San Joaquin Hills Comment
  CAS-BOT-BC219358  Nama stenocarpa Munz; Street; Williams 1919-5-4 2681 Orange Laguna Beach Region. Laguna Canon [Canyon] Comment
  RSA799944  Nama stenocarpa Justin M. Wood 2011-6-28 4309 Orange South Coast: City of Costa Mesa; Fairview Park, just WNW of Marison Special Education Center. 24 Comment
  RSA91618  Nassella lepida F. W. Peirson 1923-3-25 5362 Orange Aliso Creek, near Laguna Beach. Comment
  POM147646  Nassella pulchra F. M. Reed 1927-04 5474 Orange Cliff at Beach. 15 Comment
Read comments
Nov 4 2017
  RSA732051  Nassella pulchra A. C. Sanders, Fred M. Roberts 2008-4-8 34741 Orange Peninsular Range: Lomas de Santiago, Loma Ridge, head of Hicks Canyon. S of Santiago Reservoir. 351 Comment
  CAS-BOT-BC60333  Nasturtium officinale John Thomas Howell 1927-7-15 2777 Orange Santa Ana River bottom, Santa Ana Canyon. 152 Comment
  SEINET5624584 Image available Nasturtium officinale J. Sauer, A. Lang; Et al. 1971-1 4948 Orange upper San Juan Canyon Comment
  POM356  Nasturtium officinale Crocker 1916-4-9 s.n. Orange Santa Ana River region, Aquatec River bottom Comment
  RSA0037244  Nasturtium officinale Keith E. Hoffmaster 1927-6-13 s.n. Orange Santa Ana. Comment
  RSA697463  Nasturtium officinale Effie Jessup s.n. Orange Irvine Hills. Comment
  RSA697464  Nasturtium officinale Snow 1929-3-18 38 Orange Santa Ana River. Comment
  RSA469868  Navarretia hamata M. B. Dunkle 1934-6-18 3966 Orange Upper San Juan Canyon open road, Southern Coastal. Comment
  RSA603289  Navarretia hamata subsp. leptantha R. E. Riefner 1997-7-18 97 -240 Orange Near Fullerton Nature Park. Comment
  SD239862  Nemacaulis denudata var. denudata O. F. Clarke 2004-7-19 Orange South Coast: Least Tern Reserve, just north of the mouth of the Santa Ana River, Huntington Beach (Newport Beach 7.5'Q) 3 Comment
  RSA0051320  Nemophila menziesii Ophelia Frost 1932-3-28 s.n. Orange 2 miles NW of H.B. Comment
  IRVC148  Nephrolepis cordifolia Lorraine Aldis 1965-3-30 HS 542 Orange Costa Mesa; Senate Street. Southern Coastal 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
  SEINET10936050  Nerium oleander Charlene A. Bennett 1976-7-21 Bennett 428 Orange Cultivated plants collected in and around the condominium-Pacific Island Estates in Laguna Hill; some native shrubs, etc. 152 Comment
  RSA699015  Nicotiana glauca Sadie Rutledge s.n. Orange Irvine Hills. Comment
  UC1286994  Nicotiana glauca C. L. Hitchcock 1966-3-15 24144 Orange 1.5 mi e Brea (Stearns Lease) Comment
  UCR237839  Nicotiana glauca Mark A. Elvin 2003-2-2 2268 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  RSA0042735  Nicotiana glauca David Barrios 1991-5-8 25 Orange 1500 ft. Northwest of Fairmont Ave and Quail cir., Yorba Linda. 365 Comment
  RSA184099  Nicotiana glauca I. L. Wiggins 1965-11-6 20348 Orange Near well #14, Kramer Oil Estates, near end of county road to Rancho Santa Ana. Comment
  POM20633  Nolina cismontana Philip A. Munz 1923-9-6 7728 Orange Madjeska s Ranch Comment
  RSA0000259  Nolina cismontana James C. Dice, T. Oberbauer 1986-5-3 650 Orange 0.2 km west of Trabuco Canyon. 365 Comment
  RSA642703  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
  SD117588  Nolina cismontana James C. Dice, Harold A Wier 1984-9-23 587 Orange Mission Viejo, 1.2 kilometer northwest of Lake Mission Viejo, along south edge of Vista del Lago, just west of Canaveras Comment
  UC1931364  Nolina cismontana R. E. Riefner Jr. 2007-6-14 07 -256 Orange Santa Ana Mountains, Irvine Ranch Reserve, Fremont Canyon Conservation Easement, W Fork Fremont Canyon, Donaldson Ranch area. Comment
  RSA698083  Nolina parryi Minor Warne 1934-5-19 s.n. Orange Live oak Canyon. Comment
  RSA698084  Nolina parryi R. H. McArthur 1934-5-19 s.n. Orange Live oak Canyon. 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
  RSA450860  Notholaena californica subsp. californica Gordon Marsh, K. G. Marsh 1978-1-27 s.n. Orange Santa Ana Mountains: Trabuco; N side of Upper Trabuco Canyon Road, about 2 mi E of Live Oak Canyon Road. 402 Comment
  CAS-BOT-BC176682  Nothoscordum gracile A. C. Sanders 2008-7-3 35714 Orange Peninsular Range; Santa Ana Mts.: Lomas de Santiago, Santiago Canyon near mouth of Limestone Cyn., at Agustione Staging Area 260 Comment
  CAS-BOT-BC171488  Oenothera californica Carl B. Wolf 1936-6-12 7944 Orange 1 mi. E. of Atwood 91 Comment
  CAS-BOT-BC171487  Oenothera californica Helen D. Geis 1902-3-1 s.n. Orange Santa Ana sand dunes Comment
  RSA2061  Oenothera californica subsp. californica Carl B. Wolf 1931-3-25 1935 Orange along Santa Fe R. R, 1 mile west of Atwood. 91 Comment
  RSA733636  Oenothera dentata R. H. McArthur 1934-3-10 s.n. Orange Tomatoe Springs Comment
  JEPS44053  Oenothera elata subsp. hirsutissima L. M. Booth 1932-6-15 1190 Orange s Huntington Beach Comment
  UC1005020  Oenothera xenogaura E. Johnson 1940-8-15 Orange 1.5 mi n of Placentia (Klokke Estate); Klokke Estate Comment
  UCR204271  Oncosiphon piluliferum Scott D. White, Jeff Lincer 2003-7-7 9616 Orange Coastal Plains & Basins; South Coastal Plain region, Former El Toro Marine Corps Air Station, East of 'El Toro Marine School' and Irvine Blvd.; site of former dump 140 Comment
  UCR235514  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-20 11- 57 Orange South Coast, Newport Beach, Coastal Peak Park, East Coastal Peak Road at Ridge Park Road 305 Comment
  POM279574A  Opuntia X occidentalis Lyman Benson 1950-4-29 14339 Orange South end of San Clemente. Hill 1/2 mile from ocean. 152 Comment
Read comments
Oct 21 2009
  SD152894  Opuntia X occidentalis Steve Boyd, Tim Ross 1992-5-19 7425 Orange Southern Santa Ana Mountains, San MateoCanyon Wilderness Area, western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo north into Aliso Canyon. Local, openings in chaparral. (IPB 9/07) 365 Comment
  SD212539  Opuntia dejecta R. E. Riefner Jr. 2006-7-23 06 312 Orange City of Newport Beach, Upper Newport Bay, North shore of Newport Bay, West circa 0.25 miles from intersection of Bayview Way and Bayview Place 10 Comment
  POM284094C  Opuntia littoralis Lyman Benson 1955-10-17 15598 Orange Moulton Ranch just west of the summit east of Laguna Beach. 152 Comment
  RSA503510  Opuntia littoralis E. W. Lathrop 1977-7-8 7667 Orange Santa Ana Mountains; 1 mile west of San Juan F.S. Ranger Station on the Ortega Hwy. Comment
  RSA6607  Opuntia littoralis B. D. Stark 1933-1-21 4528 Orange 5 miles north of Laguna Beach on road to Irvine. 152 Comment
  UCR196298  Opuntia littoralis A. C. Sanders, T. B. Salvato 2008-5-13 35376 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
  RSA459611  Opuntia littoralis var. austrocalifornica M. B. Dunkle 1933-5-30 3583 Orange Santa Ana River Canyon Comment
  CAS-BOT-BC56867  Opuntia oricola L. R. Abrams 1917-6-23 6558 Orange Field redacted by CAS, contact the data manager for more information Comment
  IRVC14191  Opuntia prolifera J. W. Johnson 1976-8-11 Orange Irvine; UCI, 300ft. south of Medical Center; on heavy clay soil in grazing climax of mediterranean grasses. Destroyed by construction. Southern Coastal Comment
  POM49505  Orobanche fasciculata L. R. Abrams 1901-6-15 1847 Orange Santiago Peak. Comment
  CLARK-A1528-4285  Orthocarpus purpurascens John C. Roos 1965-6-16 Orange Dana Point Comment
  POM296926  Orthocarpus purpurascens Lyman D. Benson 1946-4-27 12052 Orange Corona Del Mar; Drainage area: Pacific Ocean. 15 Comment
  CAS-BOT-BC355769  Osmadenia tenella A. C. Sanders; Fred M. Roberts; Amber O'Neal 2008-5-9 35323 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
  RSA700250  Osmadenia tenella Fred M. Roberts 2003-5-1 5676 Orange Rancho Mission Viejo: Donna O'Neill Land Conservancy, Cristianitos Cyn., 0.5km SSW Gato Gate and 0.1km west of Cristianitos Rd. 99 Comment
  CAS-BOT-BC355770  Osmadenia tenella Palmer Stockwell 1935-5-12 1219 Orange Ca. 7 mi. E. of Mission San Juan, on Elsinore Rd. Comment
  POM353432  Oxalis albicans subsp. californica Carl B. Wolf 1931-3-6 1858 Orange Trabuco Canyon, 1.5 mile below Trabuco Camp Grounds 549 Comment
  UCR99085  Oxalis pes-caprae Scott D. White 1993-2-17 1052 Orange Vicinity of Olinda, near city of Brea, immediately north of Carbon Cyn Rd & east of Placentia Ave.; c. 1 mi. (airline) SSE of Tonner Cyn. 183 Comment
  UCSB48068  Oxalis pes-caprae Fritzke, Sue; Roberts, Fred 1982-4-3 Orange Dana Point: hills, 1.0km N Dana Hills High School; 1.9km W Marco Forster Junior High School 100 Comment
  RSA571473  Oxalis pes-caprae Steve Boyd, Tim S. Ross 1994-3-22 8203 -B Orange San Juan Canyon along San Juan Creek near confluence with Hot Springs Canyon. Entire area burned in extensive fire the previous fall. 229 Comment
  UCR241053  Oxalis rubra Robert DeRuff 2010-3-16 379 A Orange South Coast, Upper Newport Bay, below Eastbluff North on bay side of Back Bay Dr. 4 Comment
  UCR227627  Oxytheca trilobata Robt. L. Allen 2003-6-22 12281 Orange Santa Ana Mountains, along North Main Divide Road, 6.3 road mi north of Falcon Group Campground, c. 2.43 air mi northwest of Los Pinos Saddle 1334 Comment
  CAS-BOT-BC121212  Paeonia californica C. B. Wolf 1931-3-6 1842 Orange Trabuco Canyon, 1/2 mi. above Trabuco oaks, west slope of the Santa Ana Mtns. Upper Sonoran. 457 Comment
  RSA700033  Paeonia californica R. H. McArthur 1934-2-17 s.n. Orange Gypsum Canyon. Comment
  UC1618071  Paeonia californica Donald G. Nelson 1935-7-9 206 Orange San Juan Canyon Comment
  CAS-BOT-BC438784  Pallenis maritima R. E. Riefner, Jr. 2012-11-14 12 -551 Orange City of Newport Beach, S. of Poppy St. / Ocean Blvd., coastal bluff near Little Corona Beach rocky intertidal area. 5 Comment
  RSA715697  Panicum capillare Fred M. Roberts, Chris M. Barnhill 2005-9-27 6278 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4km E Mission San Juan Capistrano, 27 Comment
  RSA92454  Panicum capillare F. W. Peirson 1924-10-19 5230 Orange Wintersberg Comment
  RSA731536  Panicum dichotomiflorum subsp. dichotomiflorum R. E. Riefner 2007-9-30 7 -417 Orange City of Yorba Linda, N floodplain of Santa Ana River near Yorba Linda Regional Park. 98 Comment
  UCD89738  Panicum miliaceum Beecher Crampton 1965-10-27 7585 Orange 2 miles E of Irvine, UC South Coast Field Station. Comment
  POM412  Papaver californicum Crocker 1916-3-28 s.n. Orange Santa Ana Mts. Comment
  UC1971218  Parapholis incurva Louis C. Wheeler 1947-5-3 6475 Orange Newport Bay. Comment
  UCD88470  Parapholis incurva Alan A. Beetle 1958-9-7 13074 Orange Newport. Comment
  UCR158156  Parapholis incurva Adrian Wolf 1998-5-27 335 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
  UCSB44178  Parapholis incurva Henneman, J. 1977-5-21 Orange Newport Back Bay Comment
  UCR222388  Parietaria hespera var. californica Mark A. Elvin 2003-1-26 2242 Orange South Coast, Irvine, UC Irvine Open Space Preserve, NE side, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 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
  RSA731636  Paspalum dilatatum Fred M. Roberts 2007-10-29 6619 Orange Niguel Hill: Laguna Niguel, Seaview Park, 1.3 km ENE Aliso Peak. 265 Comment
  UCSB40900  Paspalum dilatatum Roos, John 1936-10-13 Orange Costa Mesa near Santa Ana Comment
  UCSB68449  Paspalum dilatatum Anderson, J. 1966-5-16 Orange Bayview Ave. and Zenith Ave. Comment
  RSA21040  Paspalum distichum E. R. Johnson 1938-8-22 9452 Orange Rancho Santa Ana, Santa Ana Canyon 122 Comment
  RSA798100  Paspalum distichum R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49568 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UC2061654  Paspalum distichum R. E. Riefner Jr. 2005-7-9 05 -544 Orange City of Mission Viejo, Oso creek, ca. 0.5 mi N of Paseo De Colinas on Camino Capistrano. Comment
  RSA765882  Paspalum pubiflorum R. E. Riefner Jr. 2007-12-2 07 -503 Orange City of Yorba Linda, Santa Ana Canyon, N bank of Santa Ana River, E of Weir Canyon Rd., vicinity of La Palma Ave. and Mercado del Rio. 107 Comment
  OBI74742  Paspalum vaginatum R. E. Riefner, Jr and K. Campbell, K. Campbell 2008-8-31 08 -267 Orange City of Irvine, tidal portion of San Diego crk, immediately E of Hwy 73 overpass 1 Comment
  RSA733050  Paspalum vaginatum R. E. Riefner 2003-10-17 03 -456 Orange City of San Juan Capistano, Trabuco Creek, S side of Del Obispo St. at Paseo Adelento St. 26 Comment
  UCR204900  Paspalum vaginatum R. E. Riefner Jr. 2005-7-9 05- 545 Orange South Coast, city of Mission Viejo, Oso Creek, c. 1.4 mi north of Paseo de Colinas on Camino Capistrano 88 Comment
  UCR191427  Pectocarya linearis A. C. Sanders, Fred M. Roberts 2008-4-8 34777 A 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
  POM50877  Pectocarya penicillata Helen D. Geis 1902-3-27 s.n. Orange Santiago Canyon. Comment
  SD247735  Pedicularis densiflora R. F. Thorne, C. W. Tilforth, E. W. Lathrop. 1977-4-27 49711 Orange Northern Santa Ana Mountains: Sierra Peak. 900 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
  UCR196332  Pelargonium Mark A. Elvin 2005-5-14 4313 Orange Southern Coastal, UCI Arboretum 15 Comment
  UCR159812  Pelargonium grossularioides Mark A. Elvin 2005-5-14 4314 Orange Southern Coastal, UCI Arboretum 15 Comment
  RSA686730  Pellaea andromedifolia M. B. Dunkle 1935-2-23 4339 Orange Dana Point. 9 Comment
  UCR237913  Pellaea andromedifolia Dick Newell, Judy Booth 2012-6-10 274 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, on Maple Springs Road 0.8 mi. NE of Maple Springs gate Comment
  RSA791471  Pellaea andromedifolia Keith E. Hoffmaster 1928-1-26 33 Orange Santa Ana Mtns Comment
  RSA598963  Pellaea andromedifolia var. andromedifolia Scott D. White 1997-3-28 4835 Orange Above Modjeska Canyon, proposed water tank site 425 Comment
  RSA637491  Pellaea andromedifolia var. andromedifolia Valerie L. Soza, LeRoy Gross 1999-6-8 506 Orange Santa Ana Mountains: Santiago and Modjeska Canyons, above Tucker Wildlife Sanctuary, above the town of Modjeska 518 Comment
  IRVC3150  Pellaea mucronata var. mucronata E. P. Cowper Orange Trabuco Canyon. Santa Ana Mountains Comment
  POM17853  Pellaea mucronata var. mucronata P. A. Munz 1923-6-14 7065 Orange Glen Ivy Trail to Santiago Peak, Santa Ana Mountains 1127 Comment
Read comments
Apr 1 2013
  RSA660591  Pellaea mucronata var. mucronata R. E. Riefner 2000-8-8 20 -719 Orange NCCP North Ranch Policy Plan Area. NE property; E slope of upper Fremont Cyn.; S of Donaldson Ranch area and S of powerline / National Forest boundary. 454 Comment
  RSA7472  Pellaea mucronata var. mucronata C. B. Wolf 1933-8-24 5396 Orange Summit of Santiago Peak, Santa Ana Mountains 1731 Comment
  RSA0093405  Pennisetum clandestinum D. E. Bramlet 2009-11-20 4416 Orange South Coast: San Diego Creek between Irvine and Newport Back Bay. 4 Comment
  UCR266687  Pennisetum clandestinum D. E. Bramlet 2009-11-20 4416 Orange South Coast, San Diego Creek between Irvine and Newport Back Bay 8 Comment
  SD175783  Pennisetum setaceum D. G. Kelch 2006-12-9 06 564 Orange Irvine, University Dr. along tidal Creek just east of I-73. Comment
  SD88165  Pennisetum setaceum Reid Moran 1972-5-21 19135 Orange Roadside 2 miles north of San Clemente 99 Comment
  RSA652980  Pennisetum setaceum Darren Day 1984-5-5 19 Orange This plant was found growing on the east side of Laguna Canyon Rd. as you are traveling towards the city of Laguna Beach. This location is approximately 3.4 miles out of town. Comment
  RSA33780  Penstemon centranthifolius N. C. Cooper 1944-6-4 1351 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA407934  Penstemon heterophyllus N. C. Cooper 1944-6-4 1337 Orange San Juan Canyon. 305 Comment
  RSA539360  Penstemon heterophyllus var. australis Fred M. Roberts, Carol A. Roberts 1988-6-9 4077 Orange Santa Ana Mountains: Main Divide Truck Trail, saddle between Modjeska Peak and Santiago Pk., 0.5 km Ee summit of Modjeska Pk. 1445 Comment
  RSA401835  Penstemon spectabilis Christopher Davidson 1977-5-18 5604 Orange Santa Ana Mts. Cleveland Nat. Forest. Pleasants Peak (on Orange-Riverside Co. line). 1220 Comment
  UCSB52393  Penstemon spectabilis Roberts, Fred 1982-7-20 Orange Santa Ana Mtns.: 1.8 km by road NE Falcon Group Camp; 2.9 km E Los Pinos Peak 1082 Comment
  RSA761798  Penstemon spectabilis var. spectabilis Robert Allen 2003-6-22 12298 Orange Along North Main Divide Road, 7.5 road miles north of Falcon Group Campground, circa 1.35 air miles west of Trabuco Peak. 1205 Comment
  LA210549  Pentachaeta aurea P. C. Everett; 1935-4-22 6463 Orange Santa Ana Canyon, 0.25 mi W of Horseshoe Bend. 121 Comment
  RSA702683  Pentachaeta aurea Scott D. White, Michael Honer 2004-5-17 10397 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
  RSA687405  Pentagramma triangularis subsp. triangularis Norman C. Cooper 1949-5-1 3951 Orange San Juan Canyon 610 Comment
  CAS-BOT-BC77510  Peritoma arborea var. arborea Carl B. Wolf 1932-3-8 2684 Orange 1/2 mi. No. of Corona Del Mar, borders of Newport Bay 7 Comment
  IRVC19405  Petroselinum crispum R. L. Allen 1983-2-7 A616 Orange Whiteoak at Starshine St.; common weed in bluegrass lawn at private home. Huntington Beach Comment
  RSA690  Petunia parviflora J. T. Howell 1927-6-30 247 Orange Bryant Ranch, near Long Beach. 15 Comment
  UCR193020  Phacelia A. C. Sanders, Mitch Provance 2008-5-20 35416 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 355 Comment
  UC672728  Phacelia brachyloba P. C. Everett 1935-7-11 7267 Orange Main Divide Santa Ana Mts., Main Divide (Main Divide Motorway at Horse Thief Canyon Trail sign) 1219 Comment
  OBI30179  Phacelia cicutaria var. hispida Nancy J. Mann 1976-5-23 s.n. Orange Charlton ranch, 1.2 mi N of Modjeska Cyn rd on Santiago Cyn rd, Santa Ana Mts Comment
  UCR191020  Phacelia cicutaria var. hispida A. C. Sanders, Fred M. Roberts 2008-4-22 35021 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  UCR192455  Phacelia cicutaria var. hispida A. C. Sanders, Fred M. Roberts 2008-3-25 34575 Orange Peninsular Range; Santa Ana Mtns., saddle on ridge near head of Weir Canyon, 5.3 miles ENE of Villa Park, 3.1 mi. N of (Santiago Reservoir) Irvine Lake 405 Comment
  RSA650516  Phacelia distans Shlomo Gat 1959-03 20 Orange Santa Ana Canyon. Comment
  RSA699144  Phacelia hispida R. H. McArthur 1934-4-28 s.n. Orange Ladd Canyon Comment
  RSA697776  Phacelia imbricata subsp. patula Minor Warne 1934-4-28 s.n. Orange Ladd Canyon-Santa Ana Mts. PR8. Comment
  CHSC42166  Phacelia minor L. A. Hinman 1986-3-22 1 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
  JEPS1176  Phacelia minor Mary Alice King March 1907 Orange Anaheim plains Comment
  RSA2112  Phacelia minor Carl B. Wolf 1931-3-6 1830 Orange Trabuco Canyon Road, 1.25 miles below Trabuco Oaks. 305 Comment
  RSA697789  Phacelia minor L. C. Hull 1934-4-24 s.n. Orange Trabuco Canyon. Comment
  UC1377699  Phacelia minor John Ingram 1960-3-29 268 Orange roadsides across from O'Neill Park; Trabuco Canyon Comment
  UC484229  Phacelia minor C. B. Wolf 1931-3-6 1830 Orange Trabuco Canyon Rd 1 1/2 mi below Trabuco Oaks; W. slope Santa Ana Mts. 304 Comment
  UCSB48211  Phacelia minor Roberts, Jr., Fred 1981-5-3 Orange Santa Ana Mtns.; Hot Springs Canyon, 1.3 km. NNE San Juan Guard Station 276 Comment
  RSA699143  Phacelia parryi G. Gentges 1932-5-8 s.n. Orange Silverado Canyon Wash. Comment
  UCR190988  Phacelia parryi A. C. Sanders, Fred M. Roberts 2008-4-22 34990 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
  UCR220302  Phacelia parryi Dick Newell, Don Millar, Jutta Burger 2010-3-16 010 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Agua Chinon Wash 250 m north of Hwy 241 toll road 201 Comment
  RSA697795  Phacelia racemosa Minor Warne 1934-03 s.n. Orange Barrenca near Irvine. Comment
Read comments
Apr 13 2016
  RSA539412  Phacelia suaveolens subsp. keckii Fred M. Roberts, C. A. Roberts 1988-6-9 4086 Orange Santa Ana Mtns.: Modjeska Peak, 0.9km SW summit. 1542 Comment
Read comments
Jul 21 2018
  RSA759205  Phacelia suaveolens subsp. keckii Robt. Allen, Reginald Durant 2008-5-16 s.n. Orange Modjeska Peak, N face, along access road up Modjeska Peak, outside the sharp bend in the extreme end of the road. Survey Point #47. 1514 Comment
Read comments
Jul 21 2018
  UCR152757  Phalaris lemmonii D. E. Bramlet 2003-6-8 3461 Orange South Coast, Fairview Park in Costa Mesa, 152 m west of Canyon School and 396 m NW of intersection of Wilson & Canyon Dr. 24 Comment
  CAS-BOT-BC250615  Phalaris minor Carl B. Wolf 1932-7-7 3854 Orange Bryant Ranch, Bixby Ave., 3/10 mi. E. of Los Alamitos Blvd., about 250 ft. E. of S.W. corner of N.W. 40 of N.E. of Sect. 31 T4S R11W 48 Comment
  CDA22545  Phalaris minor J. B. Anderson 1966-4-18 597 Orange Mac Arthur Boulevard near Red Hill Road. 0 Comment
  IRVC8437  Phalaris minor J. B. Anderson 1966-4-18 597 Orange Irvine; MacArthur Blvd. near Red Hill Road. Southern Coastal Comment
  RSA5942  Phalaris minor C. B. Wolf 1932-7-7 3854 Orange Bixby Ave. 0.3 mile east of Los Alamitos Blvd. (250 ft E of SW corner of NE/4 of NE/4 of Sec 31 T4S R11W) 8 Comment
Read comments
Apr 10 2014
  RSA599635  Phalaris paradoxa Fred M. Roberts, Nigel Hancock 1995-5-25 4950 Orange Costa Mesa: Fairview Park, just west of end of Canyon Drive, 0.1 km W Canyon School 24 Comment
  RSA706005  Phalaris paradoxa D. E. Bramlet 2003-6-8 3463 Orange Fairview Park, City of Costa Mesa. 152mW of the Canyon School & 396m NW of the intersection of Wilson and Cyn. Drive 24 Comment
  UCR4127  Philadelphus lewisii F. Zaebst 1959-4-19 4127 Orange Peninsular Range; Santa Ana Mtns., Coastal side of mountains on Calif. Hwy 74, 3.2 mi west of San Juan Guard Station, north side of road Comment
  RSA459265  Pholistoma auritum M. B. Dunkle 1935-3-3 4347 Orange San Juan Canyon. 457 Comment
  RSA699272  Pholistoma auritum Minor Warne 1934-4-7 s.n. Orange Ladd Canyon Comment
  RSA701967  Phoradendron macrophyllum subsp. macrophyllum Fred M. Roberts 2003-6-20 5929 Orange Rancho Mission Viejo: Donna O'Neil Land Conservancy, Cristianitos Cyn., along Shady Canyon Trail, 84 meters N Sycamore Gate and 50 meters W Cristianitos Rd. 101 Comment
  UCR145988  Phoradendron tomentosum June Latting 1977-1-12 s.n. Orange Chino Hills, Tonner Canyon 213 Comment
  UCR193791  Phoradendron villosum A. C. Sanders, Fred M. Roberts 2008-7-3 35673 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation Corridor 415 Comment
  POM3998  Phyla lanceolata D. L. Crawford 1916-7-26 s.n. Orange Laguna Canyon Comment
  POM48015  Phyla lanceolata I. M. Johnston 1924-8-29 s.n. Orange 1 mi. N of Los Alamitos. Comment
  RSA384023  Phyllospadix torreyi Anstruther Davidson 1910-6-28 2493 Orange Balboa Beach. Comment
  RSA384024  Phyllospadix torreyi Gigas 1832-6-26 15492 Orange Laguna Beach. Comment
  RSA0127348  Physalis crassifolia Fred M. Roberts 2016-5-3 8051 Orange City of Irvine: San Joaquin Hills, Turtle Rock Community above Ridgeline Road, 0.7 km ESE summit of French Hill. 107 Comment
  UCR98774  Physalis crassifolia D. E. Bramlet 1994-6-2 2380 Orange San Joaquin Hills. On ridgeline NW of Laguna Canyon; located 396 m west of Laguna Canyon Road and 305 m north of Little Sycamore Canyon Comment
  RSA691  Physalis philadelphica J. T. Howell 1927-7-28 513 Orange West side, Rancho Santa Ana. 152 Comment
  RSA734119  Picris echioides A. C. Sanders 2008-4-29 35143 Orange Peninsular Range;Santa Ana Mtns.: Lomas de Santiago, western end of Loma Ridgeon road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 Comment
  RSA752810  Picris echioides A. C. Sanders, Fred M. Roberts 2008-8-7 35993 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 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
  SEINET7882517 Image available Pinus contorta Jean Coulson 1959-1 s.n. Orange Disneyland, Orange County, California. Located on small hill E. of castle, near house of tomarrow. Comment
  RSA539395  Pinus radiata Fred M. Roberts, Carol A. Roberts 1988-11-3 4163 Orange Santa Ana Mtns.: Upper Trabuco Canyon near Main Divide Truck Trail, 1.3km NE Los Pinos Peak 1268 Comment
  RSA731007  Pinus sabiniana Fred M. Roberts, B. Allen, D. Olsen 2007-1-19 6499 Orange near Black Star Cyn. Rd. Upper Fremont Cyn. near mountain divide, 0.9 km ENE Horseshoe Spring and 0.1 km WSW Beek s Place. (4.1 km NW Pleasants Pk). West-facing slope on sandy, rocky soils in chaparral. 840 Comment
  UCR132891  Piperia cooperi Adrian Wolf 2000-4-14 446 Orange Santa Ana Mtns., North Ranch Policy Plan Area, 0.51 km SSE of Black Star Canyon Mine, North Baker Canyon Road 396 Comment
  RSA797819  Piperia unalascensis Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49808 Orange Santa Ana Mountains: Trabuco Canyon Comment
  UCR250133  Piptatherum miliaceum Dick Newell, Judy Booth 2013-12-25 346 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Road, Cleveland National Forest, at end of paved roadway 899 Comment
  UCSB48027  Piptatherum miliaceum Roberts, Fred 1980-7-7 Orange Santa Ana Mts.; San Juan Canyon, Calif. Rte. 74, 2.2 km. ENE San Juan Guard Station; 0.6 km. W Bench Mark 1100 305 Comment
  POM202524  Piptatherum miliaceum L. M. Booth 1932-6-28 1211 Orange Balboa Island, Newport Beach Comment
  RSA226741  Piptatherum miliaceum I. L. Wiggins 1965-9-26 20256 Orange Along N margin of La Vida Property, above the hot srings Comment
  SBBG15548  Plagiobothrys D. E. Breedlove 1962-3-9 1797 Orange St Hwy 74, 4.4 mi E of San Juan Capistrano 112 Comment
  UCR103154  Plagiobothrys acanthocarpus Scott D. White 1997-3-26 4819 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
  UCR192485  Plagiobothrys canescens A. C. Sanders, Fred M. Roberts 2008-3-25 34511 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA733873  Plagiobothrys collinus A. C. Sanders, Fred M. Roberts 2008-4-8 34742 Orange Peninsular Range: Lomas de Santiago, Loma Ridge, head of Hicks Canyon. S of Santiago Reservoir. 351 Comment
  RSA627747  Plagiobothrys collinus var. californicus Scott D. White 1998-3-18 6211 Orange UCI Campus: Site of proposed Research Park, Southwest of main campus circle, ca. halfway between Berkley Ave. and new Freeway (Bonita Cyn.). Plains dissected by a series of gullies. 37 Comment
  UCSB56509  Plagiobothrys collinus var. gracilis Marsh, G. 1978-3-17 Orange U.C. Irvine Ecological Preserve: in swale near hilltop of Hill #3 85 Comment
  UC1212098  Plagiobothrys fulvus var. campestris D. Bates 1960-4-2 2307 Orange Route 74 e San Juan Capistrano Comment
  UCSB14544  Plagiobothrys nothofulvus Breedlove, Dennis 1962-3-9 Orange 4.4 miles east of San Juan Capistrano on State 74 112 Comment
  RSA0045608  Plagiobothrys nothofulvus Keith E. Hoffmaster 1935-3-17 555 Orange Near El Toro (Trabuco rd). Comment
  RSA3168  Plagiobothrys nothofulvus C. B. Wolf 1932-3-8 2695 Orange Santiago Dam at W base of Santa Ana Mts. 305 Comment
  UCSB47617  Plagiobothrys nothofulvus Roberts, Fred 1980-5-3 Orange Santa Ana Mtns.: 0.3 km. NNW Blue Jay Campground 1020 Comment
  RSA695839  Plagiobothrys tenellus J. R. Bruff s.n. Orange Modjeska s Home Comment
  RSA666092  Planodes virginica Fred M. Roberts, Michelle Lee, Kristen Szabo 2001-4-13 5430 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. 226 Comment
  RSA412598  Plantago bigelovii subsp. californica Anstruther Davidson 1910-04 2350 Orange Corona Del Mar. Comment
  RSA1460  Plantago erecta E. R. Johnson 1929-4-11 1260 Orange Sierra Peak Trail. Comment
  RSA681952  Plantago erecta Fred M. Roberts, D. E. Bramlet 2003-3-7 5564 Orange Donna O'Neill Land Conservancy; West slopes of Christianitos Canyon, Middle Ridge Trail, 0.1km NW Gato Gate. 123 Comment
  SBBG128583  Plantago erecta R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49653 Orange Coal Cyn (NW of Sierra Peak) Comment
  SD247682  Plantago erecta R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49669 Orange Northern Santa Ana Mountains: Coal Canyon (NW of Sierra Peak). Comment
  JEPS7123  Plantago lanceolata Lawrence M. Booth 1932-7-18 1266 Orange Costa Mesa Comment
  UCR102035  Plantago major B. G. Pitzer 1997-4-15 3151 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
  RSA698384  Plantago major R. H. McArthur 1934-4-14 s.n. Orange Forks of Laguna Canyon. Comment
  RSA764  Plantago major J. T. Howell 1927-7-18 433 Orange Santa Ana River bottom, Rancho Santa Ana. 152 Comment
  IRVC29040  Platanus racemosa Mark A. Elvin, A. C. Sanders 2005-9-2 4500 Orange Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Santa Ana Mtns 457 Comment
  SD236359  Platanus racemosa A. C. Sanders, Fred M. Roberts 2008-6-17 35471 Orange Peninsular Range; Santa Ana Mountains: Lomas de Santiago, Agustine staging area near Limestone Canyon Road gate at Santiagon Cyn Rd. 259 Comment
  RSA759256  Platystemon californicus Robt. Allen, David Olsen 2008-3-8 s.n. Orange Lomas de Santiago, Limestone Canyon, along Limestone Canyon Road, circa 0.5 miles SE of junction with Hicks Canyon Road and Santiago Canyon Road. 274 Comment
  RSA722431  Platystemon californicus J. R. Bruff 1927-3-15 2 -S Orange 1 mi. N.E. Country Club. Comment
  CAS-BOT-BC334497  Plecostachys serpyllifolia R. E. Riefner, Jr. 2008-7-9 08 -220 Orange City of Laguna Beach, bluff area W of West St. and Pacific Coast Highway 10 Comment
  SD239618  Plecostachys serpyllifolia R. E. Riefner Jr. 2011-7-7 11 88 Orange City of Dana Point, S of Mussel Cove, N of Salt Creek Beach Park. 7 Comment
  RSA789231  Plectritis ciliosa subsp. insignis Naomi S. Fraga, Duncan S. Bell 2009-5-11 2710 Orange San Juan loop trail, Cleveland National Forest just west of Sugarloaf Spur Trail. 912 Comment
  CDA20039  Pluchea odorata J. Dourte 2002-9-13 PDR 1254189 Orange Southwestern California; Santa Ana River in the vicinity of Anaheim. 0 Comment
  IRVC29699  Pluchea odorata Mark A. Elvin, Barry S. Nerhus 2006-11-4 5242 Orange Huntington Beach; 1.5 km SW of Wintersburg, SW of jct Slater and Goldenwest; Shipley Nature Center. Southern Coastal 1 Comment
  UCR146415  Pluchea odorata Sandra L. Leatherman 1998-9-3 45 Orange Coastal Plains & Basins; South Coastal Plain, Dana Point: Monarch Beach, northeast of the intersection of State Highway 1 and Crown Valley Parkway, and west of Salt Creek 30 Comment
  JEPS30711  Pluchea odorata var. odorata Peter H. Raven 1961-10-15 16855 Orange just n of U.S. Highway 91 along dyke along road to Yorba Linda 114 Comment
  SBBG63434  Pluchea odorata var. odorata M. N. Ackley -Oct-1928 1189 Orange Huntington Beach 8 Comment
  SD125377  Pluchea odorata var. odorata C. W. Tilforth 1975-9-6 1048 Orange Northeast shoreline of Upper Bay, Newport Beach. Comment
  UC421657  Pluchea odorata var. odorata John Thomas Howell 1927-9-24 3117 Orange Santa Ana Canyon 152 Comment
  RSA184156  Poa annua I. L. Wiggins 1966-2-12 20441 Orange Orange grove on W side of State College Blvd. opposite Electra Way, Fullerton. Comment
  IRVC13913  Poa secunda R. Meinzer 1971-5-24 108 Orange Santa Ana Mountains: Summit of Santiago Peak, upper elevation. Peninsular Ranges Comment
  RSA542546  Poa secunda Fred M. Roberts 1988-2-18 3804 Orange Lomas de Santiago: Ridge west of Irvine Lake, 1.0 km NW Santiago Dam spillway 244 Comment
  UCR170301  Poa secunda C. W. Sexton 1973-3-29 s.n. Orange South Coast, Newport Beach; Upper Newport Bay, hillside beside Back Bay Drive 15 Comment
  CAS-BOT-BC236338  Poa secunda subsp. secunda R. C. Wenk; et al. 2008-3-24 719 Orange Chino Hills State Park. South Ridge Road W of San Juan Hill, going W from Equestrian Staging Area, Top of ridge 441 Comment
  SD181748  Poa secunda subsp. secunda Valerie Soza, LeRoy Gross 1999-6-7 489 Orange Santa Ana Mountains, west side of Modjeska Peak, along Main Divide Road 1448 Comment
  UCR191666  Podocarpus gracilior Robert DeRuff 2006-1 565 Orange South Coast, Upper Newport Bay, Back Bay Drive, c. 0.1 km from Eastbluff Drive 8 Comment
  UCSB50635  Polygala californica Roberts, Fred 1982-7-9 Orange SANTA ANA MTNS.: Upper Hot Springs Canyon, 0.1km SW Falcon Group Camp: 2.0km SE Los Pinos Peak 327 Comment
  RSA649675  Polygala cornuta var. fishiae R. E. Riefner 2000-6-13 20 -494 Orange North Ranch Policy Plan Area, N Fremont Canyon S of Donaldson Ranch, upper W fork of Fremont Canyon drainage 363 Comment
  CAS-BOT-BC413753  Polygonum argyrocoleon Carl B. Wolf 1932-9-13 4038 Orange Bryant Ranch: North boundary between Flood Control dike & well in S.E.1/4 Sect. 25; about 1300 ft. W. of N.E. corner of S.E.1/4 Sect. 25 T4S R12W 6 Comment
  RSA749041  Polygonum aviculare A. C. Sanders, Fred M. Roberts 2008-8-7 35972 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 Comment
  RSA754067  Polygonum aviculare A. C. Sanders, Fred M. Roberts 2008-7-16 35866 Orange Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon. 358 Comment
  UC729950  Polygonum aviculare subsp. aviculare Carl B. Wolf 1932-6-20 3755 Orange around administration building; Santa Ana Canyon, Rancho Santa Ana 198 Comment
  CAS-BOT-BC414038  Polygonum aviculare subsp. aviculare Carl B. Wolf 1932-6-20 3755 Orange Rancho Santa Ana, Santa Ana Canyon situated around administration building 198 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
  RSA466307  Polygonum coccineum J. Ewan 1931-7-31 4754 Orange Wesefall near Hungtinton Beach. Comment
  RSA717156  Polygonum lapathifolium Fred M. Roberts, Chris M. Barnhill 2005-9-27 6274 Orange San Juan Capistrano: San Juan Creek wash, east of La Novia Road bridge, 1.4 km E Mission San Juan Capistrano. 27 Comment
  RSA788965  Polygonum lapathifolium Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49580 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  RSA730991  Polygonum punctatum Fred M. Roberts 2006-11-15 6465 Orange Santa Ana Cyn., Santa Ana River, north bank, 1.1 km ENE Imperial Hwy crossing. 85 Comment
  IRVC20354  Polypodium californicum Fred M. Roberts 1983-3-10 880 Orange Dana Point headlands: south of old cove road on cliff at west margin of Dana Point Harbor; 0.8km s of Richard Henry Dana School. Southern Coastal 50 Comment
  RSA617721  Polypodium californicum Scott D. White 1996-12-20 4629 Orange Above Modjeska Canyon: Proposed water tank site. 427 Comment
  RSA733703  Polypodium californicum Minor Warne 1934-02 s.n. Orange Modjeska Canyon Comment
  RSA749436  Polypodium californicum Fred M. Roberts 2008-4-14 6890 Orange Santa Ana Mtns.: Upper Weir Cyn., east fork, 3.4 km E Robbers Peak, Irvine Ranch Conservancy. 433 Comment
  SD144152  Polypodium californicum Scott D. White 1996-12-20 4629 Orange Above Modjeska Canyon: proposed water tank site. 424 Comment
  SD48446  Polypodium californicum E. K. Balls, P. C. Everett 1957-11-25 22837 Orange Trabuco Canyon Comment
  UCR280606  Polypodium californicum R. E. Riefner Jr. 2017-3-31 17- 137 Orange South Coast, city of San Clemente, San Clemente State Beach, northwest bluff area immediately south of Ave. Calafia 24 Comment
  UCSB62516  Polypodium californicum Kiefer, Lawrence 1963-11-17 Orange Santa Ana Mtns., San Juan Canyon, 2nd ravine W of entrance to lower San Juan Camp, just S of Hwy 74. 426 Comment
  UCSB62527  Polypodium californicum Kiefer, Lawrence 1963-11-17 Orange Arch Rock near Corona del Mar 30 Comment
  CLARK-A1528-4840  Polypogon monspeliensis John C. Roos 1949-10-1 4674 Orange Doheney Beach 1-3 Comment
  IRVC8419  Polypogon monspeliensis J. B. Anderson 1966-4-22 607 Orange San Joaquin Hills: Los Trancos Canyon, along dirt road and near spring. Santa Ana Mountains 122 Comment
  UCR100453  Polypogon monspeliensis B. G. Pitzer 1996-4-30 2773 Orange South Coast, Upper Newport Bay, Calif. Dept. Fish & Game Ecological Reserve, off (W of) Jamboree Road 6 Comment
  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
  RSA725534  Populus Fred M. Roberts 2007-9-11 6570 Orange Aliso Viejo: tributary to Aliso Creek on west side of Moulton Pkwy., 0.2 km N Aliso Viejo Pkwy., adj. to Kinder Care Learning Center. 83 Comment
  RSA714396  Populus balsamifera subsp. trichocarpa R. E. Riefner 2006-4-8 6 -111 Orange South Coast: San Juan Capistrano (city), San Juan Creek at La Novia Ave. 22 Comment
  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
  UCR113446  Populus balsamifera subsp. trichocarpa R. E. Riefner Jr., Adrian Wolf 2000-6-24 20- 116 Orange Peninsular Range, Santa Ana Mountains, North Ranch Policy Plan Area, Fremont Canyon, N. of Santiago Creek & immediately N. of major stream fork 305 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
  JEPS117746  Populus trichocarpa Mark A. Elvin, A. C. Sanders 2005-9-2 4493 Orange Santa Ana Mtns: Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Comment
  CAS-BOT-BC356151  Porophyllum gracile John Thomas Howell 1929-3-2 4097 Orange In hills on n. side of Santa Ana Canon [Canyon], 1/2 mile east of Horseshoe Bend 152 Comment
  RSA488122  Porophyllum gracile Karlin G. Marsh 1984-2-15 1188 Orange Santa Ana Mtns: Casper's Regional Park, Rancho Carrillo Road, 4.4km NE visitor Center, 0.5km ENE Lucas Survey Mark, alt 415m 415 Comment
  RSA753486  Portulaca oleracea A. C. Sanders, Fred M. Roberts 2008-9-18 36071 Orange Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 320 Comment
  RSA0054902  Portulaca oleracea Keith E. Hoffmaster 1936-10-5 728 Orange Santa Ana. Comment
  POM6395  Potamogeton nodosus L. T. Street, Williams 1919-5-4 2689 Orange Laguna Lakes. [now Big Laguna Lake, San Diego Co.] Comment
  UC537265  Potentilla anserina subsp. pacifica Lawrence M. Booth 1932-6-28 1215 Orange Bolsas Marsh Comment
  RSA613774  Prunus caroliniana B. Pitzer, M. Georgiady 1997-4-5 3078 Orange San Joaquin Hills Crystal Cove State Park, along No Dogs Trail (from parking area, along western bottom edge of ridge between Muddy Canyon and Moro Canyon), to just below intersection with Poles trail 152 Comment
  RSA443844  Prunus ilicifolia Gordon Marsh, Karlin G. Marsh 1977-5-2 s.n. Orange Pine Canyon, between Blue Light Mine and second mine, near swithback. Comment
  CAS-BOT-BC300504  Prunus ilicifolia subsp. lyonii O. F. Clarke 2004-3-22 s.n. Orange Santa Ana River Canyon: Santa Ana River on the west side of Featherly Park 110 Comment
  RSA573301  Prunus persica Steve D. Boyd, Tim S. Ross 1994-9-14 8358 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. 299 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
  SD140194  Pseudognaphalium biolettii B. Pitzer, S. Hemstreet 1992-5-21 1945 Orange Cleveland National Forest. State Hwy 74, 1 mile uphill from the 2,000 ft. marker, and to the left ca. 0.1 mile on an old paved road. 762 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
  OBI77910  Pseudognaphalium leucocephalum Robert Lee Allen 2012-8-11 s.n. Orange Santa Ana Mts, Caspers Wilderness Park, Bell Cyn. UTM 11S 3712054.00mN, 447741.00 mE 127 Comment
  UC484151  Pseudognaphalium leucocephalum J. T. Howell 1928-9-6 1208 Orange Rancho Santa Ana Santa Ana River bottom, Rancho Santa Ana 152 Comment
  RSA682602  Pseudognaphalium luteoalbum Scott D. White, Pam DeVries 1998-12-10 7201 Orange Brea: Tonner Canyon and adjacent slope, just east of 57 Freeway crossing. 137 Comment
  UCR240071  Pseudognaphalium ramosissimum Dick Newell, Judy Booth 2012-8-12 283 Orange South Coast, Newport Beach on Back Bay Drive, 0.6 mi north of Big Canyon parking lot 3 Comment
  MACF019844  Pseudotsuga macrocarpa C. T. O'Dowd 1975-5-21 3 Orange Santiago Canyon Road, Cleveland National Forest 731 Comment
  RSA698289  Pseudotsuga macrocarpa J. Vlahos 1934-04 s.n. Orange Holly Jim Canyon. 884 Comment
  SD236118  Pseudotsuga macrocarpa June Latting, F. Shropshire 1972-4-28 Orange Peninsular ranges/Santa Ana Mountains: Silverado Canyon, 6.3 mi from Silverado Forest Station [presumably up canyon from Silverado] at S curve in road 1098 Comment
  UCR238214  Psilocarphus brevissimus Mark A. Elvin 2003-3-30 2386 Orange South Coast, north side of UC Irvine Preserve, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  RSA617798  Psilocarphus brevissimus R. E. Riefner 1998-4-3 98 -252 Orange Newport back-bay, west of Jamboree Rd. Comment
  RSA799621  Psilocarphus brevissimus var. brevissimus Justin M. Wood 2011-4-12 3653 Orange South Coast: City of Costa Mesa. Fairview Park, just WNW of Marison Special Education Center. 24 Comment
  SD152923  Psilocarphus tenellus Steve Boyd, Tim Ross 1992-5-19 7426 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Conayon Trail from access road to Rancho Carrillo (7S06) north into Aliso Canyon. Along trail on hard-packed soil. 366 Comment
  UCR27153  Psilocarphus tenellus E. W. Lathrop 1966-4-10 6155 Orange Peninsular Range; Santa Ana Mtns, Silverado Canyon 732 Comment
  CAS-BOT-BC506648  Psilotum nudum R. E. Riefner, Jr. 2015-8-27 15 -357 Orange Cit of Newport Beach, N side of North Coast Hwy, E side of La Brea St. 31 Comment
  UCR174209  Psoralea macrostachya A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33029 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  POM8723  Pterostegia drymarioides P. A. Munz, R. D. Harwood 1920-4-17 3802 Orange Laguna Canyon. 61 Comment
  RSA392941  Pterostegia drymarioides Albert J. Perkins 1913-4-27 s.n. Orange Trabuco Canon. Comment
  RSA594895  Pterostegia drymarioides Fred M. Roberts, Sandy Leatherman, Brian Leatherman 1994-4-24 4908 Orange Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1.2 kilometers SW Lower San Juan Picnic Ground. 390 Comment
  RSA698491  Pterostegia drymarioides Unspecified s.n. Orange Orange County park. Comment
  SEINET7073416  Pterostegia drymarioides A. G. Vestal 1963-4-24 s.n. Orange La Paz Canyon, Rancho Mission Viejo. Coordinate datum: NAD27. Comment
  RSA443843  Pterostegia drymarioides Gordon Marsh, K. G. Marsh 1977-5-2 s.n. Orange Santa Ana Mountains: Pine Canyon, along road above Blue Light Mine. Comment
  RSA542463  Pterostegia drymarioides Fred M. Roberts 1987-3-27 3279 Orange Canada De Los Alisos: above Canada Rd., 4.5 km NNE El Toro Fire Station. 226 Comment
  RSA407877  Pulicaria hispanica Walter Wisura, B. Busenberg 1987-7-23 4170 Orange Newport Bay at jctn. of Back Bay Drive and San Joaquin Hills Road. Comment
  CAS-BOT-BC362142  Pulicaria paludosa R. L. Pope 1963-9-23 s.n. Orange Santa Ana Canyon about 1.5 miles above Yorba Linda Bridge Comment
  CDA7617  Pulicaria paludosa Robert L. Pope 1959-8-14 Orange Ray Miller property, Santa Ana Canyon, east of Fullerton. 0 Comment
  RSA679099  Pulicaria paludosa Fred M. Roberts 2003-7-24 5964 ` Orange San Juan Capistrono: San Juan Creek, c.a. 0.1 km NE La Novia Bridge. Along creek on cobbly sand of wash in open southern willow scrub and mulefat scrub. 27 Comment
  RSA221064  Pyrus communis E. W. Lathrop 1966-4-18 6176 Orange Santa Ana Mountains, 4 miles northeast of Lake Irvine, Black Star Canyon, Cleveland National Forest, Trabuco District. Comment
  UCD47720  Quercus X acutidens James Trumbley 1980-1 s.n. Orange Crystal Cove State Park, ca. 1 mile inland, in Moro Canyon, a coastal canyon between Laguna Beach and Corona del Mar, Orange County, California. 30 Comment
  CAS-BOT-BC61814  Quercus agrifolia John Thomas Howell 1927-6-21 2565 Orange hills on north side of Santa Ana Canon 152 Comment
  IRVC1323  Quercus agrifolia Gail Howard 1965-5-2 s.n. Orange Newport Beach: Back Bay Hills. Southern Coastal Comment
  RSA2110  Quercus agrifolia Carl B. Wolf 1931-3-6 1832 Orange Trabuco Canyon Road, 1.25 miles below Trabuco Oaks. 305 Comment
  RSA0042557  Quercus agrifolia Paul Shirokawa 1998-4-24 9 Orange Cleveland National Forest; Trabuco Ranger District, 4.45 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 1066 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
  RSA0013913  Quercus berberidifolia Fred M. Roberts 2012-5-10 7583 Orange Jan Joaquin Hills; Buck Gully, south fork, norht slope of Pelican Hill, along Pelican Hills Dr., 0.3 km N summit Pelican Hill 189 Comment
  RSA590958  Quercus berberidifolia Fred M. Roberts, Karlin G. Marsh 1991-4-10 4766 Orange Laguna Beach: South Laguna, Temple Hill, ridge between upper Hobo Canyon and Aliso Gorge, 1.7 km NW Niguel Hill summit. 213 Comment
  RSA642704  Quercus berberidifolia R. E. Riefner Jr. 2000-3-18 20 -136 Orange Cleveland National Forest. Ridge-top E of Fremont Canyon and W of Hidden Valley. eastern part of Section 24. 732 Comment
  RSA644957  Quercus berberidifolia R. E. Riefner Jr. 2000-1 20 - Orange NCCP North Ranch Policy Plan Area. Main Divide Road; top of Gypsum Canyon Comment
Read comments
Nov 6 2011
  RSA649691  Quercus berberidifolia R. E. Riefner Jr. 2000-7-8 20 -627 Orange NCCP North Ranch Policy Plan Area. On ridgetop overlooking W fork of Fremont Cyn.; located E of Main Divide Road along the powerline. 395 Comment
  RSA663278  Quercus berberidifolia R. E. Riefner Jr. 2000-1-18 20 -103 Orange NCCP North Ranch Policy Plan Area: Main Divide Road; top of Gypsum Canyon. 518 Comment
  UCR119798  Quercus berberidifolia R. E. Riefner Jr. 2000-3-18 20- 136 Orange Cleveland National Forest. Ridge-top east of Fremont Canyon and west of Hidden Valley 732 Comment
  UCR144739  Quercus berberidifolia A. S. Boughey, Pat Pembrook 1965-6-8 1013 Orange Los Trancos Canyon, below the spring, San Joaquin Hills 91 Comment
  UCR241911  Quercus berberidifolia Fred M. Roberts 2012-5-10 7561 Orange Peninsular Ranges; Coastal Foothills, San Joaquin Hills, south fork of Buck Gully, north slope Pelican Hill, 0.6 km N summit Pelican Hill, north of Pelican Hill Drive 183 Comment
  RSA443838  Quercus berberidifolia J. W. Johnson 1978-10-8 s.n. Orange Santa Ana Mts: Aliso Canyon - Agua Chinon Canyon Pass. 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
  UCR145826  Quercus chrysolepis June Latting 1973-1-2 s.n. Orange Santa Ana Mountains, Silverado Canyon, 6.3 miles from Silverado Forest Station [presumably up canyon from Silverado] at 'S' curve in road 1220 Comment
  IRVC24553  Quercus dumosa Fred M. Roberts, Gordon A. Marsh, Karlin G. Marsh 1988-4-26 3952 Orange San Joaquin Hills: Pelican Hill; E slope above Los Trancos Canyon; 0.4km ESE Pelican Hill survey mark; N-facing slope of sandstone ridge. Southern Coastal 200 Comment
  IRVC24554  Quercus dumosa Fred M. Roberts 1987-8-6 3580 Orange San Joaquin Hills: Pelican Hill; E slope above Los Trancos Canyon; 0.4km ESE Pelican Hill survey mark. Southern Coastal 200 Comment
  UCR224164  Quercus dumosa Fred M. Roberts 2008-9-10 7097 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, north of Marguerita Drive, 0.5 km west northwest Marine Institute, Dana Point Harbor Comment
  UCSB52405  Quercus dumosa Roberts, Fred 1982-6-30 Orange Laguna Niguel; Niguel Hill, Pacific Island Dr., 2.0 km. SE Aliso Peak; 1.3 km. E Bench Mark 133 130 Comment
  SEINET12031055  Quercus dumosa S. A. Thompson, Rawlins, J. E. 1988-1 5259 Orange Cleveland National Forest, 3.8 mi E of San Juan Hot Springs on CA 74 370 Comment
  IRVC21617  Quercus engelmannii Fred M. Roberts, Kelly P. Steele 1984-4-20 1344 Orange Rancho Mission Viejo: Hwy 74 near mouth of Trampas Canyon; 8.7km by road E San Juan Capistrano Southern Coastal 90 Comment
  RSA684303  Quercus engelmannii Fred M. Roberts, David E. Bramlet 2003-3-13 5597 Orange Donna O'Neill Land Conservancy: Shady Cyn. tributary to Cristianitos Canyon, 1,200m NW Sycamore Gate and 914m W Cristianitos Rd. 177 Comment
  RSA0038510  Quercus suber R. E. Riefner Jr. 2012-11-18 12 -555 Orange city of Irvine, San Joaquin Wildlife Sanctuary, South Loop Trail, north of San Diego Creek, west of Campus Drive 8 Comment
  RSA716771  Quercus wislizeni Fred M. Roberts, Michelle Balk, Robert Allen, Carol Roberts 2004-7-18 6076 Orange Santa Ana Mtns.: Upper Trabuco Cyn. along Trabuco Cyn. Trail, 1.3km NE Los Pinos Pk. and c.a. 0.25km by trail from Main Divide Truck Trail. 1245 Comment
  UC1135896  Quercus wislizeni H. E. Norton 1931-3-20 42 Orange ridge between Ladd Canyon and East Fork Canyon; Corona Quad. 1036 Comment
  RSA679225  Quercus wislizeni var. frutescens Fred M. Roberts 2003-6-25 5946 Orange Santiago peak, north slopes along ridge east of Main Divide truck trail, 0.6km NNW summit. 1605 Comment
  RSA160430  Rafinesquia californica J. D. Olmsted 1959-4-23 471 Orange Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. 762 Comment
  SD144019  Rafinesquia californica Scott D. White 1997-3-28 4838 Orange Above Modjeska Canyon: Proposed water tank site. 424 Comment
  RSA399407  Ranunculus californicus M. B. Dunkle 1935-3-3 4342 Orange San Juan Canyon. 457 Comment
  RSA734146  Ranunculus californicus R. H. McArthur 1934-3-3 s.n. Orange Forks of laguna Canyon Comment
  RSA0030882  Ranunculus cymbalaria subsp. saximontanus Helen D. Gris 1902-04 s.n. Orange Unspecified. Comment
  UC1543096  Raphanus sativus Donald G. Nelson 1936-5-29 432 Orange e of Buena Park (on n side of West Commonwealth Avenue, on edge of Fullerton Municipal airport); Fullerton Municipal airport, West Commonwealth Avenue Comment
  UCR240084  Rhamnus californica Dick Newell, Judy Booth 2012-6-3 265 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
  CAS-BOT-BC55960  Rhamnus ilicifolia P. A. Munz; R. D. Harwood 1920-4-24 3765 Orange Santa Ana Canyon, Hillside, Sierra Canyon 365 Comment
  CAS-BOT-BC56034  Rhamnus ilicifolia C. B. Wolf; E. R. Johnson 1933-11-3 5531 Orange Santa Ana Mts., Silverado Canyon, base of Silverado Motorway 731 Comment
  CAS-BOT-BC56038  Rhamnus ilicifolia C. B. Wolf 1931-3-6 1841 Orange 1/2 mile above Trabuco Oaks, Trabuco Canyon, west slope Santa Ana Mts. 457 Comment
  JEPS42039  Rhamnus ilicifolia Alice King Mar 1908 Orange above Orange County Park Comment
  LA207818  Rhamnus ilicifolia P. C. Everett; 1935-6-17 7138 Orange Santa Ana Mountains, Coldwater Canyon, 0.5 mi. above Glen Ivy Resort 457 Comment
Read comments
Jan 23 2015
  SD247722  Rhamnus ilicifolia R. F. Thorne, C. W. Tilforth, E. W. Lathrop. 1977-4-27 497703 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  RSA678717  Rhus integrifolia Fred M. Roberts, Laura Cohen 2000-3-24 5271 Orange Rancho Mission Veijo Land Conservancy: Tributary to Christanitos Cyn., Flagpole Meadow, upper shady Canyon Trail, about 1.6 NW Sycamore Gate. 170 Comment
  SD39754  Rhus integrifolia Edith A. Purer 1932-8-31 4875 Orange Along Route 101 Comment
  UCR190967  Rhus integrifolia A. C. Sanders, Fred M. Roberts 2008-4-22 35055 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge c. 1/4 mi. SE of VABM Bee, above Bee Canyon landfill on road from Hicks Canyon Haul Rd. to Limestone Canyon, c. 3.5 miles WSW of Silverado 493 Comment
  UCR223418  Rhus integrifolia Dick Newell, Don Millar 2011-2-15 064 Orange South Coast, San Joaquin Hills, Laguna Wilderness Park, along Stagecoach Trail 131 Comment
  CAS-BOT-BC167929  Rhus ovata B. Pitzer; S. Hemstreet 1992-5-27 1960 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
  RSA17576  Rhus ovata Percy C. Everett 1936-8-28 8236 Orange 1 mi. from Ortega Hgwy on road to La Cienega. 579 Comment
  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
  RSA542519  Rhus trilobata var. quinata Fred M. Roberts, G. A. Marsh 1986-8-27 3108 Orange Santa Ana Mountains: Santiago Peak, Main Divide Truck Trail, 0.1km WNW Summit. 1620 Comment
  RSA735255  Ribes californicum Pomeroy 1929-2-10 71 Orange Silverado Canyon. Comment
  LA205460  Ribes californicum var. hesperium W. Pequegnat; 1938-3-19 sn Orange Santa Ana Mountains, junction of Holy Jim and Trabuco Canyons 670 Comment
  UCD169740  Ribes californicum var. hesperium R. F. Thorne; C. W. Tilforth, E. W. Lathrop 1977-4-27 49693 Orange Northern Santa Ana Mountains: Sierra Peak. 899 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
  SD247656  Ribes californicum var. hesperium R. F. Thorne, C. W. Tilforth, E. W. Lathrop 1977-4-27 49707 Orange Northern Santa Ana Mountains: Sierra Peak. 900 Comment
  RSA1738  Ribes hesperium Carl B. Wolf 1931-1-30 1824 Orange Claymine Canyon, Santa Ana Mts. 457 Comment
  CAS-BOT-BC173124  Ribes indecorum C. B. Wolf 1931-3-6 1861 Orange 1 mile north of base of Modjeska Grade, west slope of the Santa Ana Mts. 304 Comment
  CAS-BOT-BC173125  Ribes indecorum B. D. Stark 1930-2-21 1475 Orange Black Star Creek 457 Comment
  CAS-BOT-BC173127  Ribes indecorum C. B. Wolf 1931-3-6 1833 Orange 1 1/2 miles below Trabuco Oaks along Trabuco Canyon road, west slope Santa Ana Mts. 304 Comment
  CAS-BOT-BC173128  Ribes indecorum C. B. Wolf 1931-3-6 1861 Orange 1 mile north of base of Modjeska Grade, west slope of the Santa Ana Mts. 304 Comment
  RSA5409  Ribes indecorum Carl B. Wolf 1932-12-19 4440 Orange Main divide of Santa Ana Mts. between Sierra Peak and Skyline Drive. 762 Comment
  RSA84506  Ribes indecorum F. W. Peirson 1925-4-11 5732 Orange slope above mill, in Silverado Canyon, Santa Ana Mountains. 915 Comment
  POM9115  Ribes indecorum P. A. Munz, R. D. Harwood 1920-4-24 3750 Orange Santa Ana Mountains, Sierra [Freemont] Canyon 366 Comment
  RSA0021661  Ribes indecorum J. D. Olmsted 1960-2-22 1103 Orange Drainage area to Black Star Canyon. Near CP at Beacon Pines Ranch. 854 Comment
  RSA0021666  Ribes malvaceum L. C. Hull 1934-11-2 s.n. Orange Black Star Canyon Rd. Comment
  RSA732251  Ribes malvaceum var. viridifolium A. C. Sanders, Fred M. Roberts 2008-4-22 35037 Orange Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 366 Comment
  UC2042139  Ribes malvaceum var. viridifolium R. F. Thorne and C. W. Tilforth, E. W. Lathrop 1977-4-27 49706 Orange Northern Santa Ana Mountains: Sierra Peak. Comment
  UCR241071  Ribes malvaceum var. viridifolium Dick Newell, Judy Booth 2013-3-24 323 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, on Maple Springs Rd./Silverado Cyn. Rd., 1.5 miles above Maple Springs gate 673 Comment
  RSA0018260  Ribes roezlii Carl B. Wolf 1941-8-15 11154 Orange Santa Ana Mts, Summit of Santiago Peak. 1707 Comment
  SD255195  Ribes roezlii R. F. Thorne, E. W. Lathrop 1977-5-18 49739 Orange Santa Ana Mountains: summit of Santiago Peak. 1733 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
  RSA539409  Ribes speciosum Fred M. Roberts, Karlin G. Marsh 1989-3-7 4198 Orange Lomas De Santiago: Lomas Ridge, Tributary to Hicks Canyon, 2.3 km W Bee canyon. 157 Comment
  IRVC9188  Ricinus communis R. Yarnell 1966-3-4 53 Orange hills near jct. of Newport Blvd. and Riverside Hwy [Fwy?], Anaheim? Comment
  OBI30079  Ricinus communis T. Pringle 1966-3-3 42 Orange On a hill ner the jctn of Newport Blvd, and Riverside hwy Comment
  UCR186138  Ricinus communis T. B. Salvato, Katie Kurtz 2006-10-15 1918 Orange South Coast, Irvine, San Diego Creek flood control channel, near Michelson Drive and Harvard Avenue 6 Comment
  RSA0045587  Ricinus communis Anonymous 1949-1 s.n. Orange Santa Ana. CP3. Comment
  JEPS51543  Romneya coulteri Alice King Jun 1908 Orange near Santa Ana (in hills) Comment
  RSA446200  Romneya coulteri F. R. Fosberg 1931-6-21 85094 Orange Lower Santiago Canyon. Comment
  SD72770  Romneya coulteri F. R. Fosberg 1931-6-21 S 5094 Orange Lower Santiago Canyon, Orange County Comment
  SDSU892  Romneya coulteri D. F. Howe 1976-6-4 4904 Orange Trabuca Canyon, Santa Ana Mtns. 305 Comment
Read comments
Sep 5 2013
  UC1018189  Romneya coulteri J. Warren 1952-5-23 Orange Santa Ana Canon 457 Comment
  SD72247  Rorippa nasturtium-aquaticum R. S. Woglum 1932-4-16 Orange Trabuco Canyon Comment
  UCR193320  Rorippa nasturtium-aquaticum A. C. Sanders, T. B. Salvato 2008-5-13 35375 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
  UCR266346  Rorippa palustris D. E. Bramlet 2002-4-14 3265 Orange Laguna Lakes 113 Comment
  CAS-BOT-BC147386  Rosa californica I. M. Johnston 1918-9-3 2140 Orange Laguna [Canon] Canyon, San Joaquin Hills 76 Comment
  POM306714  Rosa californica Henry J. Ramsey, Henry J. Ramsey 1938-6-5 I 668 Orange Laguna Beach, Irvine Comment
  RSA449735  Rosa californica F. R. Fosberg 1931-6-21 S 5132 Orange Silverado Canyon. Santa Anita Mts. Comment
  RSA699220  Rosa californica W. Blanchard 1932-5-15 s.n. Orange Trabuco canyon Comment
  UC1128581  Rosa californica J. B. Spring 1931-3-6 23 Orange Baker Canyon Corona Quadrangle Comment
  JEPS47286  Rubus pensilvanicus Lawrence M. Booth 1932-7-19 1271 Orange Bolsas Creek Comment
  RSA221063  Rubus ursinus E. W. Lathrop 1966-5-1 6259 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland Nat'l Forest, Santa Ana Mountains. 396 Comment
  RSA376  Rubus ursinus J. T. Howell 1927-7-6 280 Orange Santa Ana River bottom, Rancho Santa Ana 152 Comment
  RSA682754  Rubus ursinus Scott D. White, Amanda Duchardt 2003-3-27 8848 Orange Santa Ana Mountain Foothills: Canyon bottom and west facing slopes above Canada Gobernadora. 91 Comment
  UCSC000946  Rubus ursinus Peter Kamb 1948-6-19 1089 Orange Santa Ana Mts., Holy Jim Canyon 610 Comment
  UCR138400  Rumex conglomeratus Scott D. White, Brian Leatherman 1997-6-12 5340 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
  SD245454  Rumex conglomeratus R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49586 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway. San Juan Creek. Comment
  HSC17611  Rumex crispus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23072 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  RSA666107  Rumex crispus Fred M. Roberts, Michelle Lee 2001-6-18 5496 Orange Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4. 226 Comment
  UCR166796  Rumex crispus R. E. Riefner Jr. 2005-7-9 05- 550 Orange South Coast, city of Huntington Beach, Huntington Central Park, Goldenwest Street near Slater Avenue 1.5 Comment
  UCR96898  Rumex crispus Scott D. White 1993-4-28 1285 Orange Pacific slope, Tustin Marine Corps Air Station, NW of Peters Canyon Channel, between Moffett Dr. & Warner Comment
  POM201758  Rumex crispus L. M. Booth 1932-5-12 s.n. Orange Newport Bay. Comment
  RSA4502  Rumex hymenosepalus Carl B. Wolf 1932-3-15 2712 Orange 1 mi. W of Atwood, lower end of Santa Ana Canyon. 76 Comment
  RSA749313  Rumex hymenosepalus Fred M. Roberts 2008-3-21 6790 Orange Santa Ana Mtns.: Central Weir Cyn. along Upper Weir Cyn. Rd., 1.3 km ESE Robbers Peak, about 2 km above canyon mouth. 224 Comment
  CAS-BOT-BC433580  Rumex hymenosepalus John Thomas Howell 1928-2-26 3352 Orange Near highway between Atwood and Placentia Comment
  POM2357  Rumex maritimus P. A. Munz 1918-5-4 2197 Orange Laguna Lakes, Laguna. Comment
  POM2359  Rumex maritimus D. L. Crawford 1916-7-26 s.n. Orange Aliso Canyon. Comment
  RSA0037201  Rumex obtusifolius A. C. Sanders, Fred M. Roberts 2008-7-7 36004 Orange Santa Ana Mtns: Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir. 226 Comment
  UC536914  Rumex salicifolius var. salicifolius Lawrence M. Booth 1932-7-7 1245 Orange Newport Lagoon Comment
  RSA728661  Sagina saginoides R. E. Riefner 2003-2-22 03 -124 Orange City of Laguna Beach, Moulton Meadows Park, near Balboa Ave., and Del Mar Ave. Mima Mound Terrain habitat. 261 Comment
  UCR211855  Salicornia subterminalis Valerie Soza, Kevin Clark, LeRoy Gross, Will Miller, Fred M. Roberts, G. D. Wallace 2001-4-4 1107 Orange South Coast, Seal Beach National Wildlife Refuge, Seal Beach U. S. Naval Weapons Station, across access road from Nature Center (Bldg 226) 3 Comment
  RSA232235  Salicornia virginica James Henrickson 1970-7-25 5036 Orange 3.5 miles NW of Huntington Beach on sandy margin of Bolsa Bay, 1/4 mile SE of Warner Ave. along PCH; at sea level. 0 Comment
  RSA478906  Salicornia virginica F. R. Fosberg 1931-8-19 7293 Orange Newport Bay. 0 Comment
  RSA478901  Salicornia virginica Anstruther Davidson 1907-09 1780 Orange Newport. Comment
  CAS-BOT-BC129736  Salix bonplandiana Helen D. Geis 1902-1-1 554 Orange Santa Ana Comment
  POM177842  Salix exigua Marcus E. Jones 1930-3-3 26532 Orange Santa Ana Mountains. Comment
  RSA5779  Salix exigua Carl B. Wolf 1932-7-7 3845 Orange Bixby Ave., 0.7 mile W of Hansen road (0.2 mile W of SE corner of NE/4 of NW/4). 8 Comment
  SBBG58937  Salix exigua var. hindsiana C. B. Wolf 1932-7-7 2848 Orange Rancho Santa Ana, Bixby Ave, 1 km W of Hansen Rd, near Los Alamitos 8 Comment
Read comments
Apr 11 2014
  SD1026  Salix exigua var. hindsiana 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
Read comments
Apr 11 2014
  UC492442  Salix exigua var. hindsiana Carl B. Wolf 1932-7-7 3845 Orange Rancho Santa Ana, along ditch on Bixby Ave, 1 km west of Hansen Road near town of Los Alamitos Comment
  CAS-BOT-BC108133  Salix gooddingii Carl B. Wolf 1932-4-15 2955 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon 120 Comment
  CAS-BOT-BC108140  Salix gooddingii H. D. Geis 1902-5-1 s.n. Orange Near Santa Ana Comment
  CAS-BOT-BC6083  Salix gooddingii LeRoy Abrams 1903-4-16 3256 Orange Santa Ana River between Fullerton and Orange Comment
  SBBG58903  Salix gooddingii C. B. Wolf 1932-4-8 2950 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Cyn 120 Comment
  RSA0010963  Salix gooddingii Keith E. Hoffmaster 1934-07 107 Orange n. Costa Mesa. CP3. Comment
  RSA0030838  Salix gooddingii Carl B. Wolf 1932-4-8 2950 Orange Rancho Santa Ana, near Sant Ana River, Sasnta Ana Canyon. 120 Comment
  CAS-BOT-BC108204  Salix hindsiana Carl B. Wolf 1932-4-15 2953 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon 120 Comment
  CAS-BOT-BC108205  Salix hindsiana Carl B. Wolf 1932-4-15 2954 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon 120 Comment
  LA208724  Salix laevigata Carl B. Wolf; 1932-4-8 2949 Orange Santa Ana Canyon, Rancho Santa Ana, near Santa Ana River, at SE corner of pear orchard in Botanic Garden 120.0 Comment
  RSA679094  Salix laevigata Fred M. Roberts 2003-7-24 5965 Orange San Juan Capistrono: San Juan Creek, c.a. 0.1 km NE La Novia Bridge. Along creek on cobbly sand of wash in open southern willow scrub and mulefat scrub. 27 Comment
  RSA801981  Salix laevigata Minor Warne 1934-2-28 s.n. Orange Bed of Santa Ana River 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
  UC498104  Salix laevigata L. M. Booth Dec. 1932 1379 Orange near mouth of Santa Ana River (ca. 3/4 mi. from ocean) Comment
Read comments
Jul 30 2006
  UCR174189  Salix laevigata A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33015 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
  UCR193034  Salix laevigata A. C. Sanders, Mitch Provance 2008-5-20 35425 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 355 Comment
  RSA0036016  Salix laevigata Robert F. Thorne 1977-11-21 50805 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  RSA793258  Salix lasiandra Robert F. Thorne 1984-1 s.n. Orange Newport Back Bay. Comment
  POM210857  Salix lasiolepis L. M. Booth 1932-12-31 1384 Orange Newport Bay. Comment
  RSA0070789  Salix lasiolepis CNPS Accuracy Assessment Team 2014-4-30 1123 Orange Peters Canyon Regional Park. Comment
  CAS-BOT-BC128461  Salix lasiolepis var. lasiolepis Marcus E. Jones 1930-3-3 25527 Orange Santa Ana Mountains Comment
  POM178870  Salix lucida subsp. lasiandra Marcus E. Jones 1930-1-26 s.n. Orange Wildwood Camp. Comment
Read comments
Nov 18 2013
  RSA488136  Salix lucida subsp. lasiandra Fred M. Roberts Jr. 1985-8-23 2176 Orange Mission Viejo: Oso Pkwy., ca. 1.8km E San Diego Fwy. 133 Comment
  CAS-BOT-BC126312  Salix sessilifolia Carl B. Wolf 1932-4-15 2953 Orange Rancho Santa Ana, near Santa Ana River, Santa Ana Canyon 120 Comment
  CAS-BOT-BC126305  Salix sessilifolia Carl B. Wolf 1932-3-16 2715 Orange Rancho Santa Ana, Santa Ana River bottom 121 Comment
  CAS-BOT-BC403758  Salpichroa origanifolia E. L. Paddock 1943-5-28 12744 Orange Little Tia Juana Campsite, sunny hills Ranch, Fullerton Comment
  CDA23060  Salsola australis Mark A. Elvin, D. G. Kelch 2006-12-9 5295 Orange Southern Coastal; Newport Backbay; Big Canyon, lower end. 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
  POM201958  Salsola tragus L. M. Booth 1932-7-4 1253 Orange Newport Lagoon. Comment
  UCLA55657  Salvia C. Epling and H. Lewis 1940-4-21 Orange 6 mi e San Juan Capistrano Comment
  RSA50451  Salvia apiana G. R. Campbell 1949-6-28 14009 Orange native to Botanic Garden, collected in picnic area. 198 Comment
  RSA542480  Salvia apiana Fred M. Roberts, G. A. Marsh, K. G. Marsh 1988-4-26 3941 Orange San Joaquin Hills: Pelican Hill, 0.5km SE summit. 165 Comment
  RSA650627  Salvia apiana Daniel Truong 1991-5-13 28 Orange Irvine Regional Park, left field adjacent to main entrance, within 1/4 mile radius of 'closed area' Comment
  RSA722335  Salvia carnosa Seacord s.n. Orange Victor Valley-Mohave. Comment
Read comments
Sep 6 2020
  IRVC26710  Salvia clevelandii Mark A. Elvin 2004-4-4 3235 Orange UCI Arboretum Southern Coastal 15 Comment
  UCR188932  Salvia clevelandii Robert DeRuff 2005-5-25 556 Orange Newport Beach, Upper Newport Bay, draw on bluff south of the Interpretive Center near end of Del Mare Avenue 20 Comment
  RSA666  Salvia leucophylla J. T. Howell 1927-6-8 60 Orange Botany Garden, Rancho Santa Ana. [original location] 152 Comment
  SDSU7437  Salvia leucophylla Ruth Haaf, Josephine Morehous 1932-5-28 Orange Carbon Canyon Comment
Read comments
Jan 24 2013
  UCR222877  Salvia leucophylla T. B. Salvato 2010-10-27 5126 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
Read comments
Dec 1 2016
  CAS-BOT-BC229980  Salvia mellifera R. J. Barr 1967-5-11 67 -178 Orange Roadside east of El Toro, Santa Ana Mountains 182 Comment
  HSC14367  Salvia mellifera T. L. Ackerman 1964-3-28 10 Orange Irvine Park Dr. inside Irvine Park Comment
  RSA0126622  Salvia mellifera Fred M. Roberts 2012-4-24 7502 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
  RSA733967  Salvia mellifera Keith E. Hoffmaster 1927-4-8 424 Orange Santa Ana Mountains. Comment
  UC1618084  Salvia mellifera Donald G. Nelson 1935-3-17 170 Orange Carbon Canyon Comment
  RSA724121  Salvinia molesta Richard E. Riefner 2005-9-30 5 -700 Orange City of Huntington Beach, Huntington Central Park at Goldenwest St. 1 Comment
  UCR193364  Sambucus mexicana A. C. Sanders 2008-5-28 35431 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  SFV16186  Sambucus nigra subsp. caerulea R. K. Stachelek, B. Anderson, F. Schropshire 1995-3-1 41 Orange Newport Beach, west side of Upper Newport Bay adjacent to Santa Ana Delhi channel. About 100 m west of footbridge. Comment
  POM201856  Samolus parviflorus L. M. Booth 1932-7-19 s.n. Orange Bolsas Marsh. Comment
  UC537262  Samolus parviflorus Lawrence M. Booth 1932-7-19 1284 Orange Bolsas Marsh Comment
  UCR248043  Samolus parviflorus Kai T. Palenscar 2013-6-15 s.n. Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Peters Canyon Regional Park, 1 km. south of the dam and 10 m south of the Peters Canyon Creek Nature Trail bridge where it crosses the creek 120 Comment
  IRVC29096  Sanicula arguta Fred M. Roberts 1989-3-17 4211 Orange Aliso Canyon, 3.3km SSE Moulton Pk. Aliso-Wood Canyon Regional Park 30 Comment
  RSA732125  Sanicula arguta A. C. Sanders, Fred M. Roberts 2008-4-8 34760 Orange Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Loma Ridge Spur Rd., above Dripping Springs Loop Rd. 457 Comment
  UC566881  Sanicula arguta H. L. Mason 1926-4-25 2924 Orange 5 mi s of Laguna Comment
  UCD127918  Sanicula arguta P. B. Kennedy 1924-2-5 s.n. Orange Irvine Range near Santa Ana. Comment
  RSA749638  Sanicula bipinnatifida D. E. Bramlet 2008-4-28 4247 Orange East Fort of Upper Weir Cyn., on the north side of the existing access road. The site is found 1.22km east of the main Cyn. & 122m west of the upper boundary of Gypsum Cyn. 406 Comment
  RSA0012752  Sanicula crassicaulis Fred M. Roberts 2012-5-10 7577 Orange San Joaquin Hills: Buck Gully, south tributary, north slope Pelican Hill, just north of Pelican Hills Drive, 0.7 km N Pelican Hill summit. 154 Comment
  RSA751310  Sanicula crassicaulis A. C. Sanders, Fred M. Roberts 2008-5-6 35267 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
  SD144083  Sanicula crassicaulis Scott D. White 1997-3-28 4832 Orange Santa Ana Mts.: above Modjeska Canyon: proposed water tank site. 424 Comment
  UCR192226  Sanicula crassicaulis A. C. Sanders, Fred M. Roberts 2008-5-6 35267 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  IRVC22550  Sanicula crassicaulis var. crassicaulis Fred M. Roberts 1985-5-1 1706 Orange Aliso Canyon, 2.1km NNE Aliso Peak, Aliso Viejo 67 Comment
  RSA471481  Sanicula graveolens Christopher Davidson 1977-5-18 5606 Orange Cleveland National Forest; Santiago Peak (on Orange-Riverside Co. line) 1706 Comment
  RSA637488  Sanicula tuberosa Valerie L. Soza, LeRoy Gross 1999-6-10 511 Orange Santa Ana Mountains: Southwestern extension of Modjeska Peak, off Main Divide Road. 1524 Comment
  UCR158816  Satureja chandleri A. C. Sanders, Mark A. Elvin 2005-9-2 31601 Orange Peninsular Range; Santa Ana Mtns., mouth of Lion Canyon near Lower San Juan Picnic Area, San Juan Creek Canyon 427 Comment
  UCR175518  Satureja chandleri Mark A. Elvin, A. C. Sanders 2005-9-2 4499 Orange Peninsular Ranges, Santa Ana Mtns: Mouth of Lion Canyon, just upstream from Lower San Juan Campground 457 Comment
  IRVC21787  Schismus barbatus Fred M. Roberts 1985-2-25 1458 Orange Irvine: Irvine Ranch, east of MacArthur Blvd., 1.4km W UCI campus; 1.5km SE Bay View School. Southern Coastal 30 Comment
  RSA732074  Schismus barbatus A. C. Sanders, Fred M. Roberts 2008-3-25 34561 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA232214  Schoenoplectus californicus James Henrickson 1970-7-24 4985 Orange 2 miles NW of Huntington Beach around small freshwater industrial pond at eastern margin of Bolsa Chica Salt Marsh along Huntington Beach Mesa. 0 Comment
  UCSB56474  Schoenoplectus californicus Thorne, Robert 1975-4-6 Orange San Joaquin Marsh: near Irvine and coast Comment
  RSA734876  Schoenoplectus maritimus Jeanne Payton 1934-4-10 s.n. Orange Marshes back of Santa Ana County Club. Comment
  UC840666  Scirpus californicus P. A. Munz 1922-9-2 6351 Orange Laguna Canyon 45 Comment
  UCR208888  Scirpus maritimus Jeanne Paxton 1934-4-10 s.n. Orange South Coast, marshes back of Santa Ana Country Club 3 Comment
  RSA716730  Scirpus microcarpus Fred M. Roberts, David E. Bramlet 2004-11-5 6131 Orange Rancho Mission Viejo: Donna O Neill Land Conservancy, Gato Cyn., tributary to Cristianitos Cyn., 0.23km W Gato Gate. 102 Comment
  JEPS48809  Scirpus robustus Lawrence M. Booth 1932-7-29 1328 Orange edge of bay Newport Bay (e. side of lagoon) Comment
  RSA751325  Scrophularia californica A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35285 Orange Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir. 300 Comment
  POM4221  Scrophularia californica subsp. floribunda Philip A. Munz 1918-5-4 2199 Orange Laguna Canyon. Comment
  RSA788820  Scrophularia californica subsp. floribunda Robert F. Thorne, E. W. Lathrop, G. Marshs 1977-5-4 49805 Orange Santa Ana Mountains: Trabuco Canyon. Comment
  UC1011912  Scrophularia californica subsp. floribunda F. W. Pennell and E. M. Harvey 1949-6-29 26811 Orange above San Juan Capistrano (pass at summit of Ortega Hwy) 792 Comment
  POM4224  Scrophularia californica subsp. floribunda Robinson, Crocker 1916-3-28 s.n. Orange Santa Ana Mts. Comment
Read comments
Sep 3 2011
  RSA445380  Scutellaria tuberosa Albert J. Perkins 1919-4-13 s.n. Orange Modjeska Ranch. Comment
  UCD170928  Sechium edule D. E. Bramlet 2005-10-13 3916 Orange South Coast: end of Kline Drive, 650 ft south of Orchard Drive in Santa Ana Heights; 2600 ft SW of the S end of John Wayne Airport. 15 Comment
  IRVC3587  Selaginella bigelovii A. S. Boughey 143 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  RSA301980  Selaginella bigelovii James R. Shevock 1970-12-20 573 Orange Silverado Canyon 579 Comment
  RSA631395  Selaginella bigelovii Valerie Sosa, LeRoy Gross 1999-6-7 476 Orange West side of Modjeska Peak, along Main Divide Road. 1448 Comment
  RSA651616  Selaginella bigelovii J. Bruce Smiley 1948-2-9 s.n. Orange In Santiago Creek, 7 miles east of Orange. Comment
  SEINET179622 Image available Selaginella bigelovii J. T. Howell 1927-7-22 2834 Orange Claymine Canyon Santa Ana Mtns 183 Comment
  SEINET3864015 Image available Selaginella bigelovii J. T. Howell 1927-7-22 s.n. Orange Claymine Canyon, Santa Ana Mts.; 0 183 Comment
  UC1543091  Selaginella bigelovii Donald G. Nelson 1935-4-6 238 Orange e San Juan Capistrano (just s of boundary of Cleveland Nat'l Forest, side canyon with stream, branching n from summer ranger station on main hwy. up San Juan Canyon); Santa Ana Mts., San Juan Canyon Comment
  UC534961  Selaginella bigelovii John Thomas Howell 1927-7-22 2834 Orange Claymine Canyon; Santa Ana Mts. 182 Comment
  UCR100184  Selaginella bigelovii Scott D. White 1996-12-20 4632 Orange Santa Ana Mountains, above Modjeska Canyon; proposed water tank site 488 Comment
  UCR270353  Selaginella bigelovii Dick Newell, Judy Booth 2016-1-17 418 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, North Main Divide Road, 1.87 miles SE of Los Pinos Peak 946 Comment
  OBI34978  Selaginella bigelovii John Thomas Howell 1927-7-22 2834 Orange Claymine Canyon, Santa Ana Mts., Orange County 183 Comment
  IRVC894  Senecio californicus C. Weir 1965-4-17 Orange Newport Beach; Balboa Island. Southern Coastal Comment
  POM272076  Senecio californicus Lyman Benson 1932-3-26 3199 Orange Dana Point. 60 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
  UCSB52922  Senecio californicus Roberts, Fred 1983-3-10 Orange Dana Point Headlands: south of Dana Strand Rd., 0.8km W Dana Point Harbor; 1.0km SW Richard Henry Dana School 66 Comment
Read comments
Dec 12 2018
  RSA472959  Senecio flaccidus var. douglasii F. R. Fosberg 1931-6-21 S- 5091 Orange Lower Santiago Canyon. Comment
  UCR146954  Senecio linearifolius Mark A. Elvin 2003-8-24 3011 Orange Southern Coastal, San Joaquin Hills, Irvine, UCI, 100 m N of the intersection of Shady Canyon Drive and Bonita Canyon Road 72 Comment
  UCR149494  Senecio linearifolius Scott D. White, Michael Honer 2004-5-17 10401 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
  RSA747607  Senecio vulgaris Fred M. Roberts 2000-5-4 5314 Orange Lomas de Santiago: Loma Ridge, Hicks Cyn., west of SR 241, 1.9 km E Rattlesnake Reservoir dam and 2.1 km WSW Bee Peak. 210 Comment
  RSA4779  Senecio vulgaris James Snow s.n. Orange Bryant Ranch, near Long Beach. South East 1/4 Section 25, Township 4S, Range 12 W, Station #1 plant #1 Comment
  IRVC29813  Sesuvium verrucosum Laura D. Lyons, Mark A. Elvin 2006-9-23 427 Orange San Joaquin Marsh Freshwater Marsh, UC Natural Reserve; SW edge, along San Diego Creek, N of University Drive, E Hwy 73. Southern Coastal 2 Comment
  POM765  Sesuvium verrucosum D. L. Crawford s.n. Orange Laguna Canon. Comment
  RSA719406  Setaria adhaerens Fred M. Roberts, Robert L. Allen 2006-10-8 6429 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
  IRVC16250  Setaria lutescens Gordon A. Marsh 1977-9-18 s.n. Orange Dana Point: Canyon betweenPaccific Coast Hwy and Del Obispo. Southern Coastal Comment
  CAS-BOT-BC243594  Setaria parviflora Helen D. Geis 1902-1-1 560 Orange Unspecified Comment
  POM202735  Setaria parviflora L. M. Booth 1932-7-18 1264 Orange Costa Mesa, Newport Bay Comment
  CAS-BOT-BC243633  Setaria pumila J. B. Anderson 1966-5-2 621 Orange Along Newport Freeway at 17th Street, Santa Ana Comment
  UCR236682  Setaria viridis Fred M. Roberts, Sandra L. Leatherman 2008-9-17 7104 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
  UCR241076  Sidalcea malviflora Dick Newell, Don Millar 2013-4-30 328 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago; lower Hangman's Tree Canyon, 0.1 mi. west of Santiago Canyon Rd. 368 Comment
  RSA432756  Sidalcea malviflora Christopher Davidson 1977-5-18 5635 Orange Cleveland National Forest, Falcon campground. 1006 Comment
  RSA602113  Sidalcea malviflora subsp. sparsifolia Scott D. White 1997-5-6 65040 Orange Santa Ana Mountians, Santiago Canyon Area: Unnamed tributary to Santiago Creek flowing from the SW, directly W of Pancho Canyon . Lomas de Santiago S179. 366 Comment
  UC1013072  Sidalcea neomexicana C. L. Hitchcock 1952-5-30 19547 Orange about 11 mi e Long Beach (about 100 yards n of Katella Ave to w of Hanson St.); e of Long Beach Comment
  UCD116756  Sidalcea neomexicana J. C. Elmore 1929-4-1 2168 Orange Santa Ana. Comment
  CAS-BOT-BC205739  Sidalcea neomexicana subsp. thurberi Carl B. Wolf 1936-5-25 7822 Orange East of Los Alamitos, at Northwest corner of Hansen Road & Bryant Ave. 15 Comment
  RSA285  Silene antirrhina J. T. Howell 1928-2-25 851 Orange Between Nolina and Bee Canyon, Rancho Santa Ana. 152 Comment
  UCR238213  Silene antirrhina Mark A. Elvin 2003-3-30 2384 Orange South Coast, north side of UC Irvine Preserve, between core of UCI campus (E Peltason Dr.) and Hwy 73 69 Comment
  RSA749466  Silene gallica Fred M. Roberts 1999-4-22 5186 Orange Lomas de Santiago: tributary to Santiago Creek wash along spur road on ridge between Limestone Cyn. and Santiago Creek wash opposite Williams Cyn., 1.9 km SE Silverado Sch. and 2.2 km NNW Bolero Lookout. 395 Comment
  UCR242755  Silene laciniata subsp. laciniata Fred M. Roberts 2012-5-10 7584 Orange SAN JOAQUIN HILLS: Buck Gully, south fork, north slope of Pelican Hill, along Pelican Hills Dr., 0.3 km N summit Pelican Hill. 189 Comment
  IRVC20496  Silene laciniata subsp. major Fred M. Roberts 1983-5-4 1026 Orange Temple Hill, Upper Rancho Laguna Canyon, 1.7km SSW Top of the World Sch.; 1.4km ENE Cactus Point, Laguna Beach 200 Comment
  RSA602114  Silene laciniata subsp. major Scott D. White 1997-5-6 5041 Orange Santa Ana Mountains. Santiago Canyon area: Ridgetop road N and W of Bolero Lookout. 427 Comment
  IRVC7928  Silene multinervia A. S. Boughey 1968-4-23 208 Orange Black Star Canyon, .5mi below Hidden Ranch; area burned this winter. Santa Ana Mountains Comment
  SEINET219313  Silene verecunda P. C. Everett 1935-6-18 Orange Santa Ana Mountains summit of Santiago Peak. 1731 Comment
  UCR150906  Silene verecunda subsp. platyota Valerie Soza, LeRoy Gross 1999-6-10 514 Orange Santa Ana Mountains, Southwestern extension of Modjeska Peak, off dirt road to summit, off Main Divide Road 1524 Comment
  IRVC908  Silybum marianum L. Stilgenbauer 1965-4-27 Orange Corona del Mar], Big Corona Beach. Newport Beach Comment
  RSA696105  Sisymbrium irio Keith E. Hoffmaster 1928-2-19 387 Orange Tustin, Santa Ana. Comment
  IRVC1190  Sisymbrium orientale D. Frees 1965-3-27 Orange Newport Beach; East Bluffs. Southern Coastal Comment
  UCR230834  Sisymbrium orientale Dick Newell, Don Millar 2011-6-18 177 Orange Peninsular Range; Santa Ana Mtns., mouth of Fremont Canyon, just north of the Lake Irvine dam 204 Comment
  RSA654311  Sisymbrium orientale Caralisa Breidenbaugh, Mark Breidenbaugh 1992-5-24 41 Orange 100 ft Northwest of Chino Hills State Park Boundary. 243 Comment
  RSA0127338  Sisyrinchium bellum Fred M. Roberts 2016-3-17 8020 Orange San Joaquin Hills: City of Irvine, Ridge between Coyote Canyon and Bommer Canyon along Turtle Ridge Trail, 0.6 km NNE Signal Peak and 1.1 km SW Cattle Camp. 314 Comment
  UCR159774  Sisyrinchium bellum Peter A. Bowler 2003-4-20 s.n. Orange Southern Coastal, UC San Joaquin Freshwater Marsh Reserve; bluffs along NW edge of marsh Comment
  UCR192074  Sisyrinchium bellum A. C. Sanders, Fred M. Roberts 2008-5-6 35250 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  RSA539347  Sisyrinchium bellum Fred M. Roberts 1987-4-3 3348 Orange Irvine: San Joaquin Hills, Central Shadey Canyon, 2.8 kilometers NE Signal Peak. 109 Comment
  UCR182904  Solanum americanum Pat Akers 2006-3-25 PA7 06 Orange Yorba Linda. Santa Ana River on a large (300-400 ft) sandy/cobbly flat. south of La Palma Dr, 0.6-0.9 mi. east of Yorba Linda Dr 122 Comment
  UCSB48043  Solanum americanum Roberts, Fred 1981-9-26 Orange Newport Beach: Pacific Coast Highway, 0.3km W Newport Blvd.; 0.4km SE Bench Mark 10 3 Comment
  SEINET5571704  Solanum clokeyi H. S. Gentry 1962-1 19831 Orange Huntington Botanical Garden. Comment
  RSA743382  Solanum douglasii Fred M. Roberts 2008-5-27 7001 Orange Dana Point: Dana Point Headlands, CNLM Preserve near NE Gate, 0.5km W Marine Institute (Dana Point Harbor). 75 Comment
  UCR194994  Solanum douglasii A. C. Sanders, Fred M. Roberts 2008-8-7 36003 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
  RSA704889  Solanum douglasii Doug Causey 1972-5-1 s.n. Orange 3 mi. E Irvine Lake Comment
  SD43527  Solanum rostratum E. Johnson 1946-8-22 11531 Orange sandy river bottom, Rancho Santa Ana, Santa Ana Canyon 399 Comment
  CAS-BOT-BC156711  Solanum umbelliferum C. B. Wolf 1931-3-6 1850 Orange 1/2 [milea] miles below Trabuco Camp Ground, Trabuco Canyon, west slope of the Santa Ana Mts. 609 Comment
  JEPS12147  Solanum umbelliferum Alice King May, 1908 Orange Santa Ana Mountains Comment
  RSA550607  Solanum umbelliferum Fred M. Roberts Jr., Carol A. Roberts 1989-4-20 4307 Orange upper Lion Canyon along San Juan Trail just south of Blue Jay Campground, 2.5 km. SE Los Pinos Peak 980 Comment
  RSA564475  Solanum umbelliferum B. Pitzer 1992-5-21 1943 Orange Cleveland National Forest. Sate Hwy 74, 1 mi. uphill from the 2000 ft. marker, and to the left ca. 1 mi. on an old paved rd. 640 Comment
  RSA682759  Solanum umbelliferum Scott D. White, Amanda Duchardt 2003-3-27 8853 Orange Santa Ana Mountain Foothills: Canyon bottom and west facing slopes above Canada Gobernadora. 91 Comment
  RSA731988  Solanum umbelliferum A. C. Sanders, Fred M. Roberts 2008-4-8 34780 Orange Peninsular Range: Lomas de Santiago, SSE os f Santiago Reservoir on Harding Truck Trail at Dripping Springs Loop, above Limestone Canyon. 475 Comment
  RSA0020579  Solanum umbelliferum P. Shirokawa 1998-5-15 41 Orange Cleveland National Forest- Trabuco Ranger District, 2.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road 960 Comment
  UCR4097  Solanum xanti Carole Sims 1965-3-28 s.n. Orange South Coastal Plains, 150 yards toward beach on Salt Creek Road off Pacific Coast Hwy between South Laguna and Dana Point 12 Comment
  IRVC21389  Solidago californica A. S. Boughey 1968-7-9 409 Orange Santa Ana mtns: upper Santiago Canyon. Peninsular Ranges Comment
  RSA753970  Solidago californica A. C. Sanders, Fred M. Roberts 2008-7-16 35853 Orange Lomas de Santiago, upper Hangmans Tree Canyon 395 Comment
  LA203964  Solidago velutina subsp. californica W. Pequegnat; 1937-9-3 sn Orange Santa Ana Mountains, Santiago Peak Comment
  POM201703  Sonchus asper L. M. Booth 1932-7-19 1270 Orange Bolsas Marsh. Comment
  UCR237815  Sonchus asper Mark A. Elvin 2003-2-2 2293 Orange South Coast, San Joaquin Marsh, UCI campus SSE of intersection of Jamboree Blvd. and Campus Dr. 2 Comment
  IRVC920  Sonchus oleraceus L. Stilgenbauer 1965-4-15 Orange Corona del Mar, 339 Milford. Newport Beach Comment
  UC537123  Sonchus oleraceus Lawrence M. Booth 1932-7-21 1297 Orange Anaheim Marsh Comment
  RSA697068  Sonchus oleraceus Kenneth Beard 1934-02 s.n. Orange Walnut grove on Freeman Street, Santa Ana. Comment
  IRVC1830  Sorghum halepense I. L. Wiggins 1965-9-26 20 257 Orange Roadside about 1.5mi above the mouth of Carbon Canyon. southern coastal Comment
  SEINET179444 Image available Sorghum halepense L. M. Booth 1932-7-18 1265 Orange Costa Mesa. Comment
  UC729939  Sorghum halepense Carl B. Wolf 1932-6-13 3724 Orange Malvern & Nicholas Aves. Fullerton 53 Comment
  HSC24430  Spartina foliosa James Henrickson 1970-7-24 5024 Orange 2.5 mi. NW of Huntington beach along south channel of Inner Bolsa Bay, Bolsa Chica Salt Marsh 0 Comment
  POM122350  Spartina foliosa Marcus E. Jones 1924-8-26 s.n. Orange Newport. Comment
  UCD92994  Spartina foliosa Peter H. Raven 1957-9-28 11379 Orange north limits of Surfside. Comment
  SEINET10452464  Spartium junceum James S. Miller 1992-5-8 Miller 7449 Orange 2 mi E of the border of Cleveland National on California route 74. 310 Comment
  RSA220991  Spartium junceum E. W. Lathrop 1966-4-6 6139 Orange 5 miles east of Trabuco Oaks, Trabuco Canyon, Cleveland National Forest. 396 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
  SBBG69996  Spergularia macrotheca M. N. Ackley -May-1926 77 Orange Sunset Beach 8 Comment
  RSA0097840  Spergularia macrotheca Norland 1929-4-7 s.n. Orange Los Alimitos. Comment
  CAS-BOT-BC390856  Spergularia marina L. R. Abrams 1917-6-23 6565 Orange Balboa Comment
  RSA0098514  Spergularia marina Valerie Soza, Kevin B. Clark, LeRoy Gross, Will Miller, Fred Roberts, Gary Wallace 2001-4-4 1122 Orange Seal Beach U. S. Naval Weapons Station, southwestern edge of Seal Beach National Wildlife Refuge. 3 Comment
  RSA0011086  Spergularia salina James Snow 1932-1 4 Orange Bryant Ranch, near Long Beach. Station no. 1. Comment
  UCR144124  Stachys rigida Scott D. White, Amanda Duchardt 2003-4-10 9001 Orange Santa Ana Mountians Foothills, Ridges and E-facing canyons above Trampas Canyon 152 Comment
  RSA681025  Stachys rigida subsp. quercetorum Fred M. Roberts, D. E. Bramlet 2003-3-13 5575 Orange Donna O Neill Land Conservancy: Ridge west of Christianitos Canyon, 1.6 km NW Sycamore Gate. 197 Comment
  HSC77817  Stebbinsoseris heterocarpa K. L. Chambers 1954-4-24 482 Orange Hwy. 18-91, Santa Ana Canyon, 7 mi. E of Olive (hence 11 mi. E of junction with Hwy. 101 in Anaheim) 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-BC393825  Stellaria media C. B. Wolf 1931-3-6 1854 Orange Trabuco Camp Grounds, Trabuco Canyon, west slope of the Santa Ana Mts. 609 Comment
  RSA627784  Stellaria media Scott D. White 1998-4-9 6266 Orange University of Calif. Irvine Campus; Drainage channel west of Medical Center, west of main campus circle. 15 Comment
  CAS-BOT-BC393824  Stellaria media Ira L. Wiggins 1966-3-22 20540 Orange near end of pavement about 5 miles above Ranger Station, Cleveland National Forest Comment
  SDSU4468  Stellaria media R. M. Beauchamp 1968-2-17 772 Orange 2 miles north of El Toro Road intersection. Comment
  UCR150569  Stenotaphrum secundatum Scott D. White, Matt Carlton 2003-11-20 9867 Orange South Coastal Plain, Santa Ana Mtn foothills. San Juan Creek in San Juan Capistrano 24 Comment
  CAS-BOT-BC375124  Stephanomeria cichoriacea Carl B. Wolf 1933-8-24 5393 Orange Santa Ana Mts. Summit of Santiago Pk. 1731 Comment
  POM122552  Stephanomeria diegensis Marcus E. Jones 1924-8-26 s.n. Orange Newport. Comment
  RSA0044742  Stephanomeria diegensis Fred M. Roberts, Art Davenport 2003-9-11 6010 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
  UC1394144  Stephanomeria diegensis L. D. Gottlieb 1968-8-14 6860 Orange immediately w Lower San Juan Campground (on Route 74) 411 Comment
  UC472148  Stephanomeria virgata subsp. virgata J. Ewan 1931-10-3 5229 Orange between Brea and Olinda Comment
  HSC13368  Stipa pulchra C. L. Hitchcock, C. V. Muhlick 1964-3-17 23070 Orange 8 mi. E of Yorba Linda, Santa Ana Canyon. Comment
  SACT002403  Stipa pulchra Herbert Copeland 1938-6-28 Orange Hills back of Laguna Beach. Comment
  IRVC24746  Stylocline gnaphalioides Fred M. Roberts 1986-4-29 2820 Orange Turtle Rock, above corner of Ridgerout Dr. and Turtle Rock Dr., 1.1km SE French Hill, Irvine 141 Comment
  HSC6239  Stylocline gnaphaloides J. W. Johnson 1961-3-29 Orange Newport Beach, N slope overlooking upper Newport Bay Comment
  SEINET7073427  Stylocline gnaphaloides A. G. Vestal 1963-4-24 s.n. Orange La Paz Canyon, Rancho Mission Viejo. Coordinate datum: NAD27. Comment
  UCR192110  Stylocline gnaphaloides A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35311 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along fire line/bulldozer cut, c. 1.5 mi. east of Walnut Cyn Reservoir 346 Comment
  UCR223962  Stylocline gnaphaloides Fred M. Roberts 2008-4-9 6856 Orange South Coast, Dana Point, Dana Point Headlands, CNLM Preserve, near Outlook 2, 0.7 km west of Marine Institute, Dana Point Harbor 52 Comment
  UCSB48120  Stylocline gnaphaloides Fritzke, S.; Roberts, Jr., Fred 1982-4-3 Orange Rancho Mission Viejo; Calif. 74, 7.2 km. by road E San Juan Capistrano; 1.3 km. NE Viejo Survey Marker 98 Comment
  UCR87110  Styrax officinalis var. redivivus Steve Boyd, Orlando Mistretta 1991-5-9 6205 Orange Santa Ana Mtns, Crest of range, south of Oak Flat at Beek's Place on Main Divide Truck Trail at jct with Black Star Canyon Road 854 Comment
  CAS-BOT-BC402192  Styrax redivivus