33.53070 33.63070 -117.54450 -117.44450 UC/JEPS: Consortium Search Results
Search Results — 1246 specimen records retrieved (1246 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.
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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA33592  Achillea millefolium var. californica N. C. Cooper 1944-6-4 1345 Orange San Juan Canyon. 305 Comment
  RSA416203  Achillea millefolium var. californica N. C. Cooper 1944-6-4 1345 Orange San Juan Canyon. 305 Comment
  CAS-BOT-BC211912  Achnatherum coronatum John Thomas Howell; Alice Eastwood 1937-4-24 3926 Orange 2 miles east of San Juan Hot Springs 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
  RSA791875  Achnatherum coronatum R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49617 Orange Santa Ana Mountains: about 1 mile above San Juan Fire Station Comment
  UCD55576  Achnatherum coronatum Beecher Crampton 1963-5-7 6790 Orange Ca. 11 miles northeast of San Juan Capistrano, State Hwy. 74. Lower San Juan Canyon, Santa Ana Mountains. Comment
  RSA562453  Achyrachaena mollis Steve Boyd, T. S. Ross 1992-5-5 7236 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  SD152858  Acmispon americanus Steve Boyd, Tim Ross 1992-5-20 6463 Orange San Mateo Canyon Wilderness Area; in Lucas Canyon along floor from crossing of Lucas Canyon Trail. 29 Comment
Read comments Apr 10 2016
  SBBG120830  Acmispon heermannii var. heermannii A. C. Sanders, F. M. Roberts, M. Balk 2006-7-20 33005 Orange San Juan Cyn from Lower San Juan Picnic Area to ca. 1 mi downstream, parallel to Hwy 74 366 Comment
  SBBG3414  Acmispon heermannii var. heermannii J. M. Tucker 1941-5-30 261 Orange Ortega Hwy, 2 to 3 mi E of western boundary of Cleveland Nat Forest Comment
  SD212599  Acmispon heermannii var. heermannii A. C. Sanders, Fred M. Roberts and Michelle Balk 2006-7-20 33005 Orange Santa Ana Mountains; San Juan Canyon from Lower San Juan Picnic Area to ca. 1.0 mile downstream, parallel to Highway 74 and near Riverside County line. 366 Comment
  SEINET957537  Acmispon micranthus M. B. Dunckle 1934-1 3987 Unknown San Juan Canyon. Southern Coastal. 305 Comment
  SD136845  Acmispon parviflorus Steve Boyd, Tim Ross 1992-5-5 7256 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats along Serrano Spring drainage between Lucas Canyon Trail & junction of Bluewater & the Verdugo Trails, in opening in oak woodland, south of Serrano Spring 730 Comment
  SD152854  Acmispon wrangelianus Steve Boyd, Tim Ross 1992-5-20 7485 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, western edge of the wilderness in Lucas Canyon at the Lucas Canyon Trail crossing, on hard-packed soil along trail, north side of creek just downstream from crossing 320 Comment
  RSA788092  Acourtia microcephala R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49626 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station Comment
  SD212462  Acourtia microcephala A. C. Sanders, Fred M. Roberts and Michelle Balk 2006-7-20 33021 Orange Santa Ana Mountains; San Juan Canyon from Lower San Juan Picnic Area to ca. 1.0 mile downstream, parallel to Highway 74 and near Riverside County line. 366 Comment
  UCD170068  Acourtia microcephala R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49626 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station. 214 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
  RSA649082  Adenostoma fasciculatum Karl Price 1988-4-29 13 Orange An unnamed side canyon within Hot Springs Canyon. It is on Hot Springs Canyon Rd., 0.75 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 305 Comment
  UCR98134  Adenostoma fasciculatum George K. Helmkamp, E. A. Helmkamp 1997-4-24 1662 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
  RSA453158  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1949-5-1 3941 Orange San Juan Canyon. 610 Comment
  RSA67769  Adenostoma fasciculatum var. fasciculatum G. R. Campbell 1951-5-30 16094 Orange San Juan Canyon, Ortega Hwy, 4 mi. inside west border of Cleveland National Forest 152 Comment
  RSA687673  Adiantum capillus-veneris Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  RSA788246  Adiantum capillus-veneris R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49622 Orange Santa Ana Mountains: about 1 mile above San Juan Fire Station Comment
  RSA562816  Agave americana Steve Boyd, Timothy S. Ross 1992-5-20 7469 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, about old mining habitations in side canyon, upstream 1/4 mile from Lucas Canyon Trail crossing and north spur trail 1/8 mile. 390 Comment
  RSA559431  Agoseris grandiflora Bob Boyd 1992-5-5 7223 Riverside San Mateo Canyon wilderness Area. Oaks Flats area east of Verdugo Potrero. 732 Comment
  SD152961  Agoseris grandiflora Steve Boyd, Tim Ross 1992-5-5 7223 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Oak Flats east of Verdugo Potrero. 730 Comment
  RSA798099  Agrostis exarata R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49570 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCSB48196  Agrostis exarata Roberts, Fred 1981-6-26 Orange Santa Ana Mtns; Viejo Canyon, 0.5 km N of CA Route 74, 2.7 km ENE of San Juan Guard Station 317 Comment
  UCR116052  Albizia lophantha Donna Krucki 2001-2-24 s.n. Orange Peninsular Range; Santa Ana Mtns., Caspers Regional Park; San Juan Canyon near confluence of Hot Springs Canyon, Sitton Peak Truck Trail 213 Comment
  UCR79217  Alchemilla occidentalis Steve Boyd 1992-4-14 6815 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area. Western edge of Oak Flats Area along Bluewater Tr. from Verdugo Tr. S to crest of ridge W side Bluewater Canyon 793 Comment
  UCR79266  Alchemilla occidentalis Steve Boyd, Orlando Mistretta 1992-4-22 6995 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA366464  Allium haematochiton M. B. Dunkle 1933-3-5 3085 Orange San Juan Canyon. Comment
  RSA562756  Allium praecox Steve Boyd, Timothy S. Ross 1992-5-19 7432 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucan Canyon Trail in Lucas Canyon, just upstream from divide with Aliso Canyon. 366 Comment
  CAS-BOT-BC402181  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. Comment
  IRVC28639  Allophyllum glutinosum Mark A. Elvin, A. C. Sanders 2005-9-2 4494 Orange Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Santa Ana Mtns 457 Comment
  RSA410097  Allophyllum glutinosum N. C. Cooper 1949-5-1 3948 Orange San Juan Canyon. 610 Comment
  RSA410098  Allophyllum glutinosum N. C. Cooper 1949-5-1 3947 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
  UCR175517  Allophyllum glutinosum Mark A. Elvin, A. C. Sanders 2005-9-2 4494 Orange Peninsular Ranges, Santa Ana Mtns: Mouth of Lion Canyon, just upstream from Lower San Juan Campground 457 Comment
  IRVC21737  Alnus rhombifolia Fred M. Roberts 1984-10-18 1425 Orange San Juan Canyon, 2.5km ENE San Juan Guard Station; 4.0km WNW Sitton Peak, Santa Ana Mountains 310 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
  RSA562809  Aloe arborescens Steve Boyd, Timothy S. Ross 1992-5-20 7481 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon. 351 Comment
  RSA562817  Aloe chabaudii Steve Boyd, Timothy S. Ross 1992-5-20 7470 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, about old mining habitations in side canyon. 390 Comment
  SD153014  Aloe chabaudii Steve Boyd, T. Ross 1992-5-20 7470 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, western edge of wilderness in Lucas Canyon, about old mining habitations in side canyon, upstream Ao mile from Lucas Canyon Trail crossing. 390 Comment
  RSA562818  Aloe saponaria Steve Boyd 1992-5-20 7471 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, about old mining habitations in side canyon, upstream 1/4 mile from Lucas Canyon Trail crossing and north spur trail 1/8 mile. 390 Comment
  RSA798189  Amaranthus albus R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49593 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  SD136944  Amaranthus blitoides Steve Boyd, Tim Ross 1994-9-14 8345 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Lucas Canyon trail at stream crossing in Aliso Canyon 309 Comment
  UCSB52950  Amaranthus blitoides Roberts, Fred 1983-9-26 Orange Santa Ana Mtns.; Lion Canyon, Chiquito Basin Trail, 3.6 km. NNE Lower San Juan Picnic Ground; 4.0 km SSE Los Pinos Peak 820 Comment
  IRVC21741  Ambrosia psilostachya var. californica Fred M. Roberts 1984-10-18 1429 Orange San Juan Canyon, 2.5km ENE San Juan Guard Station; 4.0km WNW Sitton Peak, Santa Ana Mountains 310 Comment
  UC1137519  Amorpha californica var. californica R. St. John 1931-4-14 204 Orange Hot Springs Elsinore Quadrangle, San Juan Canyon 304 Comment
  RSA450866  Andropogon glomeratus Gordon Marsh, Karlin G. Marsh 1978-10-11 s.n. Orange Santa Ana Mountains: San Juan Hot Springs. Comment
  RSA708528  Andropogon glomeratus Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6111 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  UCR113625  Andropogon glomeratus H. Camp 1999-9 s.n. Orange Peninsular Range; Santa Ana Mtns., Ronald W. Caspers Wilderness Park, 12 miles east of San Juan Capistrano along San Juan Creek bed near confluence with Hot Springs Canyon 213 Comment
  UCSB56513  Andropogon glomeratus Marsh, G.; Marsh, K. 1977-11-21 Orange Santa Ana Mtns; San Juan Hot Springs Comment
  POM354855  Antirrhinum coulterianum M. B. Dunkle 1934-6-18 3995 Orange San Juan Canyon; Southern Coastal 305 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
  RSA594820  Antirrhinum coulterianum Fred M. Roberts, Sandra Leatherman, Brian Leatherman 1994-4-24 4914 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  UCR239651  Antirrhinum coulterianum Fred M. Roberts, Kay Stewart, Pamela Pallete, Bob Greenberg 2012-5-6 7547 Orange Santa Ana Mountains, Hot Springs Canyon, along San Juan Trail, 1.1 km north-northeast of San Juan Fire Station 351 Comment
  RSA594818  Antirrhinum kelloggii Fred M. Roberts, Sandra Leatherman, Brian Leatherman 1994-4-24 4912 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 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
  UCR79265  Antirrhinum kelloggii Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  UCR91395  Antirrhinum nuttallianum Scott D. White 1995-3-9 2541 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, Lower San Juan Picnic Area, just north of Hwy 74 396 Comment
  POM354914  Antirrhinum nuttallianum subsp. nuttallianum M. B. Dunkle 1934-6-18 3994 Orange San Juan Canyon; Southern Coastal 305 Comment
  UC1280323  Antirrhinum nuttallianum subsp. nuttallianum John M. Tucker 1941-5-30 260 Orange 2-3 mi e western boundary of Cleveland National Forest (at roadside on Ortega Highway) Comment
  CAS-BOT-BC447695  Aphanes occidentalis Steve Boyd 1992-4-14 6815 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Western edge of Oak Flats area along Bluewater Tr. from Verdugo Tr. S to crest of ridge W side 792 Comment
  UC1606624  Aphanes occidentalis Steve Boyd and Orlando Mistretta 1992-4-22 6995 Riverside on ridge between Talega Canyon and Nickel Canyon (Indian Potrero Trail s from Verdugo Potrero to Indian Potrero); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 609 Comment
  RSA561016  Apiastrum angustifolium Steve Boyd, Timothy S. Ross 1992-5-4 7194 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  LA42398  Arctostaphylos glandulosa W. Pequegnat; 1938-9-3 sn Orange Santa Ana Mountains, Ortega Rd 731 Comment
  RSA629361  Arctostaphylos glandulosa Steve Boyd, Tim Ross 1992-5-4 7208 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats Area east of Verdugo Potrero. 732 Comment
  RSA559459  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross 1992-5-4 7208 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA560842  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross 1992-5-4 7180 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA629362  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-4 7180 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SD136856  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-4 7208 Riverside Southern Santa Aana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  SD152873  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-4 7180 Riverside Southern Santa Ana Mountains, Oak Flats area east of Verdugo Potrero. 730 Comment
  CHSC90113  Arctostaphylos pringlei subsp. drupacea Donald G. Miller III 1998-7-26 Riverside Santa Rosa Mountain Road, 1 km south of Highway 74. [Longitude on label is 117 degrees 30' 71'.] 1400 Comment
Read comments Nov 8 2020
  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
  RSA542373  Aristida adscensionis Fred M. Roberts, T. Sholars, B. Stechmeyer s.n. Orange Santa Ana Mountains: Hot Sprinngs Canyon. 1.3 kilometers N Highway 74 by road, 0.7 kilometers NW Juan Rancho Survey Mark., UTM 3717900m N, 452700m E 274 Comment
Read comments Jul 12 2013
  IRVC484  Artemisia californica A. S. Boughey 156 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  UCR173933  Artemisia douglasiana A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33051 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
  UCSB48010  Asclepias californica Roberts, Fred 1980-6-29 Orange Santa Ana Mtns.; Viejo Canyon, 0.4 km. N Calif. Rte. 74; 2.2 km. ENE San Juan Guard Station 341 Comment
  RSA180254  Aspidotis californica E. W. Lathrop 1959-4-2 4425 a Riverside 18 miles west of Murrieta. Comment
  RSA686328  Aspidotis californica Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  CAS-BOT-BC186732  Astragalus gambelianus Steve Boyd; Tim Ross 1992-5-20 7458 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon along canyon floor from crossing of Lucas Canyon Trail, upstream 1/4 mile to spur trail leading to old mining habitations in side canyon 411 Comment
  RSA542542  Astragalus gambelianus Fred M. Roberts 1988-3-15 3848 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  RSA562825  Astragalus gambelianus Steve Boyd, T. S. Ross 1992-5-20 7458 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon along canyon floor from crossing Lucas Canyon Trail, upstream 1/4 mile to spur trail leading to old mining habitations in side canyon. 305 Comment
  SD152863  Astragalus gambelianus Steve Boyd, Tim Ross, etc 1992-5-20 7458 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Western edge of the wilderness in Lucas Canyon along stream 299 Comment
  IRVC22732  Astragalus trichopodus var. lonchus Fred M. Roberts 1985-5-13 1789 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  RSA819108  Atriplex lentiformis subsp. breweri R. F. Thorne 1977-11-21 50821 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  UCD56212  Avena barbata Beecher Crampton 1963-5-7 6792 Orange Ca. 11 miles NE of San Juan Capistrano. State Hwy. 74. Lower San Juan Canyon. Santa Ana Mountains. Comment
  RSA788806  Baccharis emoryi R. F. Thorne 1977-11-21 49981 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp Comment
  IRVC517  Baccharis pilularis subsp. consanguinea A. S. Boughey 163 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  CAS-BOT-BC16365  Barbarea orthoceras E. K. Balls 1955-4-4 20427 Orange 2.7 miles southwest from Orange-Riverside County line, along Highway 74, San Juan Capistrano to Elsinore. 304 Comment
  RSA113260  Barbarea orthoceras E. K. Balls 1955-4-4 20427 Orange 2.7 miles SW from Orange Riverside county line, along Hwy 74, San Juan Capistrano to Elsinore. 305 Comment
  RSA113261  Barbarea orthoceras E. K. Balls 1955-4-4 20427 Orange 2.7 miles SW from Orange Riverside county line, along Hwy 74, San Juan Capistrano to Elsinore. 305 Comment
  RSA571292  Barbarea orthoceras Steve Boyd, D. L. Banks 1994-4-5 8272 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potreto, along the Lucas Canyon Trail. 732 Comment
  RSA798094  Barbarea orthoceras R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49590 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  RSA733821  Barbarea vulgaris Keith E. Hoffmaster 1935-5-5 623 -424 Orange San Juan Canyon., Santa Ana Mts. Comment
  RSA797475  Berberis pinnata subsp. pinnata R. F. Thorne 1977-11-21 49988 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  RSA33597  Bloomeria crocea var. crocea N. C. Cooper 1944-6-4 1343 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA367329  Bloomeria crocea var. crocea N. C. Cooper 1944-6-4 1343 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA450867  Bothriochloa barbinodis Gordon Marsh, Karlin G. Marsh 1977-11-21 s.n. Orange Santa Ana Mountains: San Juan Hot Springs. Comment
  RSA788247  Bothriochloa barbinodis R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49623 Orange Santa Ana Mountains: along Ortega Highway (74), about 1/4 mile above San Juan Fire Station Comment
  SD233245  Bothriochloa barbinodis R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49623 Orange Santa Ana Mountains: along Ortega Highway (74) about 1/4 mile above San Juan Fire Station. Comment
  UCD169656  Bothriochloa barbinodis R. F. Thorne; E. W. Lanthrop, W. Wisura 1977-7-8 49623 Orange Santa Ana Mountains: along Ortega Highway (74), about 1/4 mile above San Juan Fire Station. 600 Comment
  UCR174231  Bothriochloa barbinodis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33056 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
  UCSB56502  Bothriochloa barbinodis Marsh, G.; Marsh, K. 1977-11-21 Orange Santa Ana Mtns, San Juan Hot Springs 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
  RSA797477  Brickellia californica R. F. Thorne 1977-11-21 49990 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  UCSB48079  Brickellia californica Roberts, Fred 1981-11-15 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, across road from entrance to Lower San Juan Picnic Ground 436 Comment
  RSA562762  Bromus carinatus Steve Boyd, Timothy S. Ross 1992-5-19 7417 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon. Comment
  SBBG105035  Bromus carinatus S. Boyd with D. Banks 1994-4-5 8257 Riverside San Mateo Cyn Wilderness Area, vicinity of Oak Flats 762 Comment
  SD152997  Bromus carinatus Steve Boyd, Tim Ross 1992-5-19 7417 Orange Southern Santa Ana Mountains; San Mateo Canyon Wilderness area; Western edge of the wilderness along Lucas Canyon trail from access road to Rancho Carrillo (7SO6) north into Aliso Canyon 366 Comment
  SEINET3921870  Bromus carinatus Steve Boyd, Tim Ross 1992-5-19 7417 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) north into Aliso Canyon.; 0 366 Comment
  CAS-BOT-BC149277  Bromus carinatus var. carinatus Steve Boyd; Tim Ross 1992-5-19 7417 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Cordillo (7S06) north into Aliso Canyon. 457 Comment
  RSA571309  Bromus carinatus var. carinatus Steve Boyd, D. L. Banks 1994-4-5 8257 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 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
  UCD59511  Bromus rubens Beecher Crampton 1963-5-7 6791 Orange Ca. 11 miles northeast of San Juan Capistrano, State Hwy. 74, Lower San Juan Canyon, Santa Ana Mountains. Comment
  RSA716783  Calamagrostis koelerioides Fred M. Roberts, Carol A. Roberts, Devoree Volgado 1995-5-6 4941 Orange Santa Ana Mountains region: Ridge between Hot Springs Cyn. and Viejo Cyn., San Juan Trail, 3.7 km WNW Lower San Juan Picnic Ground. 622 Comment
  RSA594806  Calandrinia ciliata Fred M. Roberts, Cathy Nowak 1995-4-19 4924 Orange Santa Ana Mountains: Lower Hot Springs Canyon, San Juan Trail, 0.7 km NW Juan Rancho Survey Mark. 256 Comment
  RSA562810  Callicore rosea Steve Boyd, Timothy S. Ross 1992-5-20 7482 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
  RSA562491  Calochortus albus Steve Boyd, Timothy S. Ross 1992-5-5 7245 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats. Bluewater Trail. 732 Comment
  RSA594817  Calochortus albus Fred M. Roberts, Sandy Leatherman, Brian Leatherman 1994-4-24 4911 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  RSA703700  Calochortus albus Fred M. Roberts 2003-4-20 5657 Orange Santa Ana Mtns.: San Juan Canyon, SR 74, south side of road, 3.54 km by road E San Juan Guard Station; 3.08km WNW Sitton Peak. 361 Comment
  POM23718  Calochortus splendens Russell S. Woglum 1938-5-8 1617 Orange Ortega Highway between Capistrano and Elsinore. Comment
  RSA561011  Calochortus splendens Steve Boyd, Timothy S. Ross 1992-5-4 7199 Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  RSA594819  Calochortus splendens Fred M. Roberts, Sandy Leatherman, Brian Leatherman 1994-4-24 4913 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  SD136974  Calochortus splendens Steve Boyd, Tim Ross 1992-5-4 7199 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero. 730 Comment
  SEINET4063239  Calochortus splendens G. Sphon 1959-1 325 Orange Between Upper and Lower San Juan Camps, Cleveland National Forest. Comment
  UCR16063  Calochortus splendens K. T. Ingram 1976-5-2 s.n. Orange Peninsular Range; Santa Ana Mtns., Ortega Highway, Route 74, 12 mi. east of Hwy 405 Comment
  UCR168414  Calochortus splendens Gale Sphon 1959-5-2 325 Riverside Peninsular Ranges; Santa Ana Mountains region, Cleveland National Forest, between Upper and Lower San Juan Camps, 'Orange County 488 Comment
  RSA25595  Calochortus weedii Carl B. Wolf 1941-6-27 10899 Riverside Santa Ana Mountains, Ortega Highway, E of its summit. 762 Comment
  SEINET7067518  Calochortus weedii A. G. Vestal 1947-6-12 s.n. Orange Upper San Juan Canyon on Route 74 to Lake Elsinore in Cleveland National Forest. Coordinate datum: NAD27. UTM Zone 11, 452352mE, 3716538mN. Comment
  UC774535  Calochortus weedii Carl B. Wolf 1941-6-27 10899 Riverside 0.3 mi e Ortega Highway summit (Ortega Highway); Santa Ana Mts. 762 Comment
Read comments Sep 18 2011
  RSA369019  Calochortus weedii var. weedii M. B. Dunkle 1934-6-18 3979 Orange San Juan Canyon; Southern Coastal 305 Comment
  RSA773548  Calochortus weedii var. weedii Fred M. Roberts, Robert Allen 2008-6-9 7036 Orange Santa Ana Mts.: Hot Spring Canyon, along road, 0.9 km N San Juan Fire Station 255 Comment
  UCR160851  Calochortus weedii var. weedii Mark S. Brunell 1991-7-4 s.n. Orange Peninsular Range; Santa Ana Mtns., Hwy 74 c. 3 miles east of San Juan Hot Springs 427 Comment
  RSA560840  Calycadenia tenella Steve Boyd 1992-5-4 7182 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  CAS-BOT-BC215758  Calystegia macrostegia subsp. arida R. K. Brummitt 1998-5-23 19994 Orange 17 km NE of San Juan Capistrano on Rte. 74 200 Comment
  RSA562765  Calystegia macrostegia subsp. arida Steve Boyd 1992-5-19 7419 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon. 366 Comment
  RSA710302  Calystegia macrostegia subsp. arida R. K. Brummitt 1998-5-23 19994 Orange 17 km NE of San Juan Capistrano on Rte. 74. 200 Comment
  SD152880  Calystegia macrostegia subsp. arida Steve Boyd, Tim Ross 1992-5-19 7419 Orange Southern Santa Ana Mountains, western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo. 365 Comment
  SD225753  Calystegia macrostegia subsp. arida R. K. Brummitt 1998-5-23 19994 Orange 17 km NE of San Juan Capistrano on Rte. 74 199 Comment
  UC1794974  Calystegia macrostegia subsp. arida R. K. Brummitt 1998-5-23 19994 Orange 17 km NE of San Juan Capistrano on Rte. 74 200 Comment
  RSA186655  Camissonia bistorta Peter H. Raven 1962-4-28 17491 Orange 6.5 miles east of San Juan Capistrano 91 Comment
  RSA134574  Camissonia californica Harlan Lewis, M. Lewis 1957-5-19 1001 Orange Cleveland National Forest. Ortega Highway at western boundary of Forest. Comment
  RSA542489  Camissonia californica Fred M. Roberts, T. Sholars, B. Stechmeyer 1988-3-29 3884 Orange Santa Ana Mountains: Hot Springs Canyon, 1.3 km N Highway 74 by road, 0.7 km NW Juan Rancho Survey Mark. 84 Comment
  RSA186620  Camissonia confusa D. Bates 1960-4-3 2318 Orange Open se. facing slope, Lower Camp. Cleveland Nat'l Forest. Comment
  SDSU3348  Camissonia confusa H. Wedberg 1958-3-29 183 Orange In grassy patch under Quersus agrifolia, across stream from Lower San Juan Campground (Hwy 74). Comment
  RSA561018  Camissonia graciliflora Steve Boyd, T. S. Ross 1992-5-4 7192 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA542490  Camissonia micrantha Fred M. Roberts, T. Sholars, B. Stechmeyer 1988-3-29 3880 Orange Santa Ana Mountains: Hot Springs Canyon, 0.5 km by road north Hwy 74, 0.9 km ESE Juan Rancho Survey Marker. 223 Comment
  UCSB12943  Camissoniopsis bistorta Dearing, Hugh; Dearing, Margaret 1937-4-12 Riverside Coast side of mountains near Orange county line Comment
  CAS-BOT-BC160536  Camissoniopsis lewisii Peter H. Raven 1962-4-29 17490 Orange Lower edge of Cleveland National Forest just above San Juan Guard Station Comment
  CAS-BOT-BC160537  Camissoniopsis lewisii Peter H. Raven 1962-4-28 17490 Orange Lower edge of Cleveland National Forest just above San Juan Guard Station, Santa Ana Mountains 259 Comment
  CAS-BOT-BC160538  Camissoniopsis lewisii Peter H. Raven 1962-4-29 17490 Orange Lower edge of Cleveland National Forest just above San Juan Guard Station Comment
  CAS-BOT-BC37596  Cardamine californica Reed Clark Rollins; Kathryn W. Rollins 1985-3-18 8503 Orange 16 miles east of San Juan Capistrano off state route 74. Comment
  GH378930  Cardamine californica C. W. Tilforth, J. Dourley & W. Wisura 1978-3-10 1501 Unknown Along Ortega Hiway (74), c. 2 mi. north-east of San Juan Forest Station, Santa Ana Mtns Comment
  GH378939  Cardamine californica R. C. Rollins & K. W. Rollins 1985-3-18 8503 Unknown off state route 74, 16 mi. E of San Juan Capistrano Comment
  POM369329  Cardamine californica var. integrifolia M. B. Dunkle 1934-2-19 3843 Orange San Juan Creek 305 Comment
  POM369330  Cardamine californica var. integrifolia M. B. Dunkle 1933-3-5 3096 Orange San Juan Canyon, Comment
  RSA271144  Cardamine californica var. integrifolia C. W. Tilforth, John Dourley, Walter Wisura 1978-3-10 1501 Orange along Ortega hwy 74, 2 miles NE of San Juan Forest Station, Santa Ana Mtns. Comment
  RSA369328  Cardamine californica var. integrifolia Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs 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
  SD152951  Carduus pycnocephalus Steve Boyd, Tim Ross 1992-5-19 7427 Orange Southern Santa Ana Mountains; western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carillo north into Aliso Canyon. 365 Comment
  UCR79247  Carduus pycnocephalus Steve Boyd, T. Ross 1992-5-19 7427 Orange Santa Ana Mtns., San Mateo Wilderness Area. Lucas Canyon Trail. 412 Comment
  RSA788972  Carex barbarae Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49573 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCR13444  Carex barbarae J. M. Pearia 1973-5-13 730513 4 Orange Peninsular Range; Santa Ana Mtns., c. 14 mi east of San Juan Capistrano on Hwy 74 along the bank of San Juan Creek 244 Comment
  UCR174023  Carex barbarae A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33009 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
  UCSB57548  Carex schottii Roberts, Fred 1984-3-24 Orange Santa Ana Mtns.: San Juan Canyon, Hwy. 74; 2.4 km. ENE San Juan Guard Station; 0.3 km. W Bench Mark 1100 315 Comment
  UCR174019  Carex spissa A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33049 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
  RSA448792  Castilleja minor subsp. spiralis M. B. Dunkle 1934-6-18 3989 Orange San Juan Canyon; Southern Coastal 305 Comment
  RSA731797  Castilleja minor subsp. spiralis Fred M. Roberts, Sandy Leatherman 2007-11-9 6640 Orange Santa Ana Mtns.: San Juan Canyon along San Juan Creek, 0.2km E community of San Juan Hot Springs. 222 Comment
  SD212727  Castilleja minor subsp. spiralis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33007 Orange Santa Ana Mountains: San Juan Canyon, from Lower San juan Picnic area to circa 1 mile downstream, parallel to Highway 74 and near Riverside County line 366 Comment
  SD245474  Castilleja minor subsp. spiralis Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49584 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
Read comments Jun 16 2016
  UCR137191  Castilleja minor subsp. spiralis M. B. Dunkle 1934-6-18 3989 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon 305 Comment
  UCR14364  Castilleja minor subsp. spiralis Steve Kulju 1974-5-27 s.n. Orange Peninsular Range; Santa Ana Mtns, San Juan Canyon, 16 mi SW of Lake Elsinore on State Hwy 74 488 Comment
  UCR174192  Castilleja minor subsp. spiralis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33007 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA798095  Castilleja stenantha Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49584 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  RSA429526  Caulanthus heterophyllus Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  RSA542652  Caulanthus heterophyllus Fred M. Roberts 1988-3-15 3857 Orange Rancho Mission Viejo; Verdugo Canyon, 1.3 km SSW Lucan Survey Marker 201 Comment
  RSA542417  Ceanothus crassifolius Fred M. Roberts 1988-3-15 3854 Orange Rancho Mission Viejo: Verdugo Canyon, 0.8 km SE Lucas Survey Mark. 247 Comment
  RSA562822  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1992-5-20 7475 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
  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
  UCSB36641  Ceanothus crassifolius Brownell, Kathleen 1980-5-16 Riverside 9 miles W. of Lakeland Village on Hwy. 74; Santa Ana Mtns 670 Comment
Read comments Nov 27 2014
  RSA703699  Ceanothus crassifolius var. crassifolius Fred M. Roberts, Arthur Davenport 2004-2-20 6026 Orange Santa Ana Mtns.: San Juan Canyon, SR 74, south side of road, 0.62 km SW San Lower San Juan Picnic Ground; 1.89 km WNW Sitton Peak. 390 Comment
  SBBG4144  Ceanothus crassifolius var. crassifolius M. Van Rensselaer 1941-5-30 1673 Orange Ortega Hwy (St Hwy 74) Comment
  SBBG4156  Ceanothus crassifolius var. crassifolius M. Van Rensselaer 1936-7-7 Orange Ortega Hwy (St Hwy 74) Comment
  SD225087  Ceanothus cuneatus var. cuneatus Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3851 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road. 518 Comment
  SBBG4369  Ceanothus leucodermis M. Van Rensselaer 1941-5-30 1674 Orange summit of Ortega Hwy (St Hwy 74) 762 Comment
  UCR5995  Ceanothus leucodermis David M. Peterson 1966-3-9 660309- 13 Riverside Santa Ana Mtns., 15-16 miles east of San Juan Capistrano on the road to Elsinore '2000 ft. 366 Comment
  RSA12928  Ceanothus oliganthus Carl B. Wolf 1935-4-7 6318 Orange San Juan Canyon, Ortega Hwy, 2 miles east Orange County. 762 Comment
Read comments Oct 7 2013
  RSA488123  Ceanothus oliganthus var. sorediatus Fred M. Roberts, Karlin G. Marsh 1984-2-15 1186 Orange Caspers Regional Park, south rim of Lucas Canyon along Rancho Carrillo Rd., 4.2 km NE Visitor Center; 0.2 km NW Lucas Survey Marker. 420 Comment
Read comments Sep 17 2014
  LA44933  Ceanothus palmeri W. E. Pequegnat; 1937-9-6 sn Orange Santa Ana Mountains, Ortega Rd Comment
  RSA748818  Ceanothus palmeri G. Gust, L. Nye 2005-3-12 563 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  SEINET10634137  Ceanothus palmeri Greg Gust, Leith Nye 2005-3-12 Gust 563 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  CAS-BOT-BC53006  Ceanothus spinosus Carl B. Wolf 1941-6-27 10896 Orange Santa Ana Mts., San Juan Canyon, Ortega Highway 1 5/10 mi. W. of Riverside Co. line 274 Comment
  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
  CAS-BOT-BC53008  Ceanothus spinosus Carl B. Wolf 1936-6-17 7950 Orange Santa Ana Mts., along Ortega Highway, San Juan Canyon, 2/10 mi. W. of Riverside Co. line 274 Comment
  GH425301  Ceanothus spinosus C. B. Wolf 1936-7-8 8098 Unknown Santa Ana Mts., along Ortega Highway, San Juan Canyon, 2/10 mi. w. of Riverside Co. line 274 Comment
  LA42097  Ceanothus spinosus Carl B. Wolf; 1936-7-8 8098 Orange Santa Ana Mountains, along Ortega Hwy, San Juan Canyon, 0.2 mi. W of Riverside County line 274 Comment
  RSA17268  Ceanothus spinosus Carl B. Wolf 1936-7-8 8098 Orange Along Ortega Hiway, San Juan canyon, 0.2 mi. W. of Riverside Co. line. 274 Comment
  RSA17567  Ceanothus spinosus Carl B. Wolf 1936-6-17 7950 Orange Along Ortega Hiway, San Juan canyon, 0.2 mi. W. of Riverside Co. line. 274 Comment
  RSA25589  Ceanothus spinosus Carl B. Wolf 1941-6-27 10896 Orange San Juan Canyon, Ortega hiway, 1.5 mi. W. of Riverside co. line. 274 Comment
  RSA542410  Ceanothus spinosus Fred M. Roberts 1988-3-15 3855 Orange Rancho Mission Viejo: Verdugo Canyon, 0.8 km SE Lucas Survey Mark. 247 Comment
  RSA797598  Ceanothus spinosus Robert F. Thorne 1977-11-21 49995 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  SDSU10426  Ceanothus spinosus D. F. Howe 1947-4-4 1545 Orange Santa Ana Mtns. Comment
  UC1071378  Ceanothus spinosus A. Lewis May 1934 408 Riverside San Juan Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UC1071388  Ceanothus spinosus A. E. Wieslander 1934-3-29 448 Orange San Juan Creek 304 Comment
  UC718318  Ceanothus spinosus Carl B. Wolf 1936-6-17 7950 Orange along Ortega Highway 2/10 mi w Riverside Co. Line (San Juan Canyon); Santa Ana Mts., San Juan Canyon 274 Comment
  UCR174499  Ceanothus spinosus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33062 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  UCR5996  Ceanothus spinosus David M. Peterson 1966-3-9 660309- 12 Riverside Santa Ana Mtns., 15-16 miles east of San Juan Capistrano on the road to Elsinore '2000 ft. 366 Comment
  UCR81115  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  UCSB48024  Ceanothus spinosus Roberts, Fred 1981-4-11 Orange Santa Ana Mtns.: San Juan Canyon, hwy. 74, 3.7km E San Juan Guard Station 114 Comment
  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
  SD152950  Centaurea melitensis Steve Boyd, Tim Ross 1992-5-20 7477 Orange Southern Santa Ana Mountains; western edge of the wilderness in Lucas Canyon, along foot trail upstream from end of old roadgrade to upper homestead. 349 Comment
  RSA716660  Centaurea solstitialis Fred M. Roberts, Michelle Balk, Robert Allen, Megan Enright 2004-7-18 6077 Orange Santa Ana Mtns.: San Jun Cyn., SR 74, north side of road, c.a. 4.6km E San Juan Guard Sttion by road. 393 Comment
  SD136925  Centaurea solstitialis Steve Boyd, Tim Ross 1994-9-14 8339 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area near junction of the Lucas Cyn and Verdugo trails 769 Comment
  UCR174464  Centaurea solstitialis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33063 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, roadside of Hwy 74 c. 1 mile below (W of) Lower San Juan Picnic Area 396 Comment
  RSA391514  Centaurium venustum M. B. Dunkle 1934-6-18 3993 Orange San Juan Canyon. 305 Comment
  RSA391515  Centaurium venustum N. C. Cooper 1944-6-4 1356 Orange San Juan Canyon, Lower Campground. 457 Comment
  RSA562718  Centaurium venustum Steve Boyd, T. S. Ross 1992-5-19 7421 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) north into Aliso Canyon. 366 Comment
  RSA573296  Centaurium venustum Steve Boyd, T. S. Ross 1994-9-14 8353 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucas Canyon Trail crossing. 305 Comment
  RSA648194  Centaurium venustum Karl Price 1988-4-19 19 Orange An unnamed side canyon within Hot Springs Canyon. It is on Hot Springs Canyon Rd., 0.75 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 305 Comment
  RSA788969  Centaurium venustum Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49576 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  UCR174185  Centaurium venustum A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33020 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
  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
  UCR111727  Ceratonia siliqua H. Camp 2000-1-18 s.n. Orange Peninsular Range; Santa Ana Mtns., Caspers Regional Park, 12 mi. east of I-5 in San Juan Capistrano, along Ortega Hwy (Hwy 74), San Juan Creek close to Forest Service boundary and the hot springs 213 Comment
  UCR174498  Cercocarpus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33061 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
  CAS-BOT-BC142121  Cercocarpus betuloides var. betuloides Alice Eastwood; John Thomas Howell 1937-4-24 3928 Orange 2 miles east of San Juan Hot Springs Comment
  CAS-BOT-BC279501  Chaenactis artemisiifolia R. K. Brummitt 1998-5-23 19996 Orange San Juan Canyon, 22 km NE of San Juan Capistrano on Rte. 74 300 Comment
  RSA648190  Chaenactis artemisiifolia Karl Price 1988-5-7 37 Orange An unnamed side canyon within Hot Springs Canyon. It is on Hot Springs Canyon Rd., 0.75 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 304 Comment
  SD225727  Chaenactis artemisiifolia R. K. Brummitt 1998-5-23 19996 Orange 22 km NE of San Juan Capistrano on Rte. 74; dry roadisde in rocky canyon 299 Comment
  UCSB48214  Chaenactis glabriuscula Roberts, Fred 1981-5-3 Orange Santa Ana Mtns.; Hot Springs Canyon, 0.8 km. by road N of San Juan Guard Station 256 Comment
  SFV17359  Chaenactis glabriuscula var. glabriuscula J. N. Hogue, J. D. Dilley, D. L. Bishop 1998-4-9 103 .1 Orange Santa Ana Mountains San Juan Canyon at San Juan Hot Springs. Just inside western boundary of Cleveland National Forest. 213 Comment
  RSA433500A  Chamaesyce polycarpa var. polycarpa M. B. Dunkle 1933-3-5 3089 Orange San Juan Canyon 304 Comment
  RSA562820  Chamaesyce polycarpa var. polycarpa Steve Boyd 1992-5-20 7473 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building). 350 Comment
  RSA788248  Chamaesyce polycarpa var. polycarpa R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49624 Orange Santa Ana Mountains: along Ortega Highway (74), about 1/4 mile above San Juan Fire Station Comment
  RSA797479  Chamaesyce supina R. F. Thorne 1977-11-21 49992 Orange Santa Ana Mountains: San Juan Canyon about 2 miles above San Juan Fire Station Comment
  RSA798090  Chamaesyce supina R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49581 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  IRVC3124  Cheilanthes clevelandii A. S. Boughey 127 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  RSA33593  Cheilanthes clevelandii Norman C. Cooper 1944-6-4 1339 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA685682  Cheilanthes clevelandii Norman C. Cooper 1944-6-4 1339 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA685683  Cheilanthes clevelandii M. B. Dunkle 1934-6-18 3991 Riverside Upper San Juan Canyon. Comment
  RSA797473  Cheilanthes clevelandii R. F. Thorne 1977-11-21 49986 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  SEINET10793742 Image available Cheilanthes clevelandii Michael D. Windham 1998-3-31 Windham 98 -088 Orange Along tributary of Hot Spring Canyon in the Santa Ana Mountains, ca. 3.00 km SE of Crow Spring. Cleveland National Forest. Canada Gobernadora Quadrangle (7.5 min.). UTM-3718150 m.N by 453065 m.E (Zone 11). 320 Comment
  SEINET3869782  Cheilanthes clevelandii M. D. Windham 1998-3-31 98 -088 Orange Along tributary of Hot Spring Canyon in the Santa Ana Mts. ca. 3.00 km SE of Crow Spring. Cleveland N.F. Canada Gobernadora Quad ( 7 1/2 min. ).; 0 320 Comment
  UCSB52864  Cheilanthes clevelandii Roberts, Fred; Polek, M. 1982-11-7 Orange Santa Ana Mtns: Lion Canyon, Chiquito Basin Trail, 3.6km S Blue Jay Campground; 2.4km NNE Lower San Juan Campground 800 Comment
  UCSB48215  Cheilanthes covillei Roberts, Fred 1981-5-3 Orange Santa Ana Mtns.: Lower Hot Springs Canyon, 0.7km by road N of San Juan Guard Station 244 Comment
  IRVC20363  Cheilanthes newberryi Fred M. Roberts, D. A. Roberts 1983-3-22 936 Orange San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains 407 Comment
  IRVC3132  Cheilanthes newberryi A. S. Boughey 123 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  RSA685783  Cheilanthes newberryi M. B. Dunkle 1934-6-18 3981 Orange San Juan Canyon; Southern Coastal 305 Comment
  RSA685793  Cheilanthes newberryi Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  RSA797474  Cheilanthes newberryi R. F. Thorne 1977-11-21 49987 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  SEINET10793773  Cheilanthes newberryi George Yatskievych, K. G. Preston, Mafham 1981-4-26 Yatskievych 81 -145 Orange 10.9 miles W of El Carizo Guard Station. San Juan Canyon in S-facing cliff area. Santa Ana Mountains. 488 Comment
  UC1221019  Cheilanthes newberryi Beecher Crampton 1963-5-7 6788 Orange ca. 11 mi ne San Juan Capistrano (State Hwy 74, Lower San Juan Canyon); Santa Ana Mts, Lower San Juan Canyon Comment
  UCD137350  Cheilanthes newberryi Beecher Crampton 1963-5-7 6788 Orange Santa Ana Mountains, Lower San Juan Canyon, ca. 11 miles northeast of San Juan Capistrano, State Hwy. 74. Comment
  IRVC21735  Chenopodium ambrosioides Fred M. Roberts 1984-10-18 1423 Orange San Juan Canyon, 2.5km ENE San Juan Guard Station; 4.0km WNW Sitton Peak, Santa Ana Mountains 310 Comment
  RSA798190  Chenopodium ambrosioides R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49589 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  RSA562454  Chenopodium californicum Steve Boyd, Timothy S. Ross 1992-5-5 7235 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  SD152883  Chenopodium californicum Steve Boyd, Tim Ross 1992-5-5 7235 Riverside Southern Santa Ana Mountains, eastern portions of Oak Flats along the Bluewater Trail. 730 Comment
  UC1608259  Chenopodium californicum Steve Boyd and Tim Ross 1992-5-5 7235 Riverside Oak Flats Southern Santa Ana Mts., San Mateo Canyon Wilderness Area (eastern portions, along the Bluewater Trail) 731 Comment
  SD152882  Chenopodium murale Steve Boyd, Tim Ross 1992-5-19 7429 Orange Southern Santa Ana Mountains, western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo. 365 Comment
  RSA392639  Chorizanthe fimbriata M. B. Dunkle 1934-6-18 3969 Riverside Upper San Juan Canyon. Comment
  RSA562720  Chorizanthe fimbriata Steve Boyd, Tim S. Ross 1992-5-19 7423 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon,. 366 Comment
  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
  UC1608267  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim Ross 1992-5-20 7474 Orange western edge of San Mateo Canyon Wilderness Area in Lucas Canyon (along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building)); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 350 Comment
  RSA562455  Chorizanthe polygonoides var. longispina Steve Boyd, Tim S. Ross 1992-5-5 7234 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UCR217536  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-15 421 Riverside Peninsular Range: Santa Ana Mts, West side of San Mateo Canyon, near Oak Flats 746 Comment
  RSA562719  Chorizanthe staticoides Steve Boyd, Tim S. Ross 1992-5-19 7422 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon,. 366 Comment
  RSA739341  Chorizanthe staticoides Keith E. Hoffmaster 1935-5-5 297 Orange San Juan Canyon., Santa Ana Mts. Comment
  UCR79246  Chorizanthe staticoides Steve Boyd, T. S. Ross 1992-5-19 7422 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
  IRVC22736  Chrysanthemum coronarium Fred M. Roberts 1985-5-13 1785 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  UCSB48203  Cirsium occidentale var. californicum Roberts, Fred 1981-6-26 Orange Santa Ana Mtns.; San Juan Canyon, Lower San Juan Picnic Ground 392 Comment
  RSA562465  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross 1992-5-5 7224 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA68335  Cirsium occidentale var. occidentale G. R. Campbell 1951-5-30 16154 Orange San Juan Canyon, Ortega Hwy, 4 mi. inside west border of Cleveland National Forest. 152 Comment
  RSA571291  Cirsium vulgare Steve Boyd, Darin L. Banks 1994-4-5 8271 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potreto, along the Lucas Canyon Trail. 732 Comment
  RSA573434  Cirsium vulgare Steve Boyd, Timothy S. Ross 1994-9-14 8341 Riverside Southern Santa Ana Mtns, San Mateo Canyon wilderness area of Cleveland National Forest, Southwestern edge of the Oak flat area, 0.5 miles S of Serrano Spring. 732 Comment
  RSA569735  Cistanthe monandra A. S. Boughey 153 Orange Santa Ana Mountains: Ortega Hwy., ca. 1 mi. east of San Juan Guard Sta. 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
  RSA458856  Clarkia bottae N. C. Cooper 1944-6-4 1347 Orange San Juan Canyon. 152 Comment
  RSA562745  Clarkia bottae Steve Boyd, T. S. 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 the creek by Lucas Canyon Trail, downstream to confluence with Aliso Canyon. 274 Comment
  RSA67766  Clarkia bottae G. R. Campbell 1951-5-30 16078 Orange San Juan Canyon, Ortega Hwy, 4 mi. inside west border of Cleveland National Forest 152 Comment
  UCSB48213  Clarkia bottae Roberts, Fred 1981-5-3 Orange Santa Ana Mtns; Hot Springs Canyon; 1.1km NNE San Juan Guard Station; near base of San Juan Trail 264 Comment
  UCR79273  Clarkia deflexa Steve Boyd, T. S. Ross 1992-5-19 7441 Orange S Santa Ana Mtns, San Mateo Canyon Wilderness Area. W edge of the wilderness in Lucas Canyon from crossing of creek by Lucas Canyon trail, downstream to confluence with Aliso Canyon. 335 Comment
  CSUSB224  Clarkia dudleyana Nancy J. Moriarty 1973-5-27 730527 7 Orange Cleveland National Forest; 13.2 miles northwest of Interstate 5 on the Ortega Highway. Comment
  UC1280309  Clarkia epilobioides John M. Tucker 1941-5-30 258 Orange 2-3 mi e of w boundary Cleveland National Forest (Ortega Highway) Comment
  RSA448293  Clarkia purpurea subsp. quadrivulnera N. C. Cooper 1945-6-4 1333 Orange San Juan Canyon 762 Comment
  RSA448295  Clarkia purpurea subsp. quadrivulnera N. C. Cooper 1944-6-4 1332 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA559449  Clarkia purpurea subsp. quadrivulnera Steve Boyd, T. S. Ross 1992-5-5 7219 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA648196  Clarkia purpurea subsp. quadrivulnera Karl Price 1988-5-7 27 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
  SD152802  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Tim Ross 1992-5-5 7219 Riverside South Santa Ana Mountains, San Mateo Canyon Wilderness area. Oak flats area East of Verdugo Potrero. 730 Comment
  UCSB48212  Clarkia purpurea subsp. quadrivulnera Roberts, Fred 1981-5-3 Orange Santa Ana Mtns; Hot Springs Cyn; 0.8 km by road N of San Juan Guard Station 256 Comment
  SEINET272172  Clarkia similis G. K. Helmkamp, E. A. Helmkamp 1997-4-24 1657 Orange Cleveland National Forest ; Cleveland National Forest 1.6 mi. SE of Ortega Hwy (CA-74) on Rd. 7-S14. UTM 10km cell: MH-5E 1N. San Juan Hot Spring 549 Comment
  UCR98130  Clarkia similis George K. Helmkamp, E. A. Helmkamp 1997-4-24 1657 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
  UCSB48127  Clematis lasiantha Roberts, Fred 1981-4-11 Orange Santa Ana Mtns; San Juan Canyon; Hwy 74; 2.7km ENE San Juan Guard Station 325 Comment
  RSA542411  Clematis ligusticifolia Fred M. Roberts, Karen Calloway 1988-1-27 3774 Orange San Juan Canyon, Hwy 74, 1.1km SW Lower San Juan Picnic Ground. 403 Comment
  UCSB29143  Clematis pauciflora Copp, Joseph 1962-3-9 Orange Calif. 74; 13.7 rd. mi. northeast of US 101 Comment
  UCSB29144  Clematis pauciflora Copp, Joseph 1962-3-9 Orange Calif. 74; 14.1 rd. mi. northeast of US 101 Comment
  UCSB48083  Clematis pauciflora Roberts, Fred 1981-4-12 Orange Santa Ana; San Juan Canyon, Hwy 74 2.0km by road SW San Juan Guard Station; 2.7km SW Juan Rancho Survey Mark 210 Comment
  UCSB9195  Clematis pauciflora Eater, John 1966-3-18 Riverside Lower San Juan Campground; 16.8 miles east on Route 74 off of US 101 Comment
  JEPS117747  Clinopodium chandleri Mark A. Elvin, A. C. Sanders 2005-9-2 4499 Orange Santa Ana Mtns: Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Comment
  UCSB50632  Clinopodium chandleri Roberts, Fred 1982-7-9 Orange Santa Ana Mtns.: San Juan Canyon, 0.l km N Lower San Juan Picnic Ground 415 Comment
  RSA33582  Collinsia heterophylla N. C. Cooper 1944-6-4 1361 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA34587  Collinsia heterophylla N. C. Cooper 1944-6-4 1361 Orange San Juan Canyon, lower camp ground. 457 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
  UCR133708  Collinsia heterophylla N. C. Cooper 1944-6-4 1361 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, lower camp ground '1500 ft. 396 Comment
Read comments Apr 24 2011
  UCR15985  Collinsia heterophylla J. M. Pearia 1973-5-13 730513- 01 Orange Peninsular Range; Santa Ana Mtns., c. 14 mi east of San Juan Capistrano on Hwy 74 along the bank of San Juan Creek 244 Comment
  CAS-BOT-BC402182  Comarostaphylis diversifolia subsp. diversifolia R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49607 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Comment
  UC2042141  Comarostaphylis diversifolia subsp. diversifolia R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49607 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Comment
  UCD169757  Comarostaphylis diversifolia subsp. diversifolia R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49607 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. 290 Comment
  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
  RSA788803  Conyza canadensis R. F. Thorne 1977-11-21 49983 -b Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp Comment
  RSA412301  Cordylanthus rigidus subsp. setiger M. B. Dunkle 1934-6-18 3992 Orange San Juan Canyon, Southern Coastal. 305 Comment
  CAS-BOT-BC214933  Cotyledon viscida Joseph Cook (Rev.) Nevin 1881-7-1 s.n. San Bernardino Hot Springs, San Juan Comment
  UCSB48014  Croton setiger Roberts, Fred 1980-9-14 Orange Santa Ana Mtns.; San Juan Canyon, 0.6 km. SW Lower San Juan Picnic Ground; 1.9 km. WNW Sitton Peak 410 Comment
  RSA699869  Cryptantha intermedia L. C. Hull 1934-3-11 s.n. Orange Ortega Highway. Comment
  RSA562497  Cryptantha microstachys Steve Boyd, Tim Ross 1992-5-5 7239 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
Read comments Aug 22 2008
  RSA733630  Cryptantha microstachys Keith E. Hoffmaster 1935-5-5 620 Orange San Juan Canyon., Santa Ana Mts. Comment
  SD152910  Cryptantha microstachys Steve Boyd, Tim Ross 1992-5-5 7239 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. Area of chaparral burned in 1989 fire. 730 Comment
  UC1608293  Cryptantha microstachys Steve Boyd and Tim Ross 1992-5-5 7239 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  UCR79268  Cryptantha microstachys Steve Boyd, T. S. Ross 1992-5-5 7239 Riverside Southern Santa Ana Mtns, San Mateo Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  IRVC17035  Cryptantha muricata var. muricata L. McCabe 1965-4-24 Orange Ortega Hwy. Santa Ana Mountains Comment
  IRVC20159  Cryptantha muricata var. muricata R. L. Allen 1977-4-19 Orange [San Juan Canyon], Ortega Hwy, road side 111, 1.5[mi E] San Juan Guard Station. Santa Ana Mountains Comment
  RSA409704  Cuscuta californica M. B. Dunkle 1934-2-19 3838 Riverside San Juan Canyon 396 Comment
  RSA562766  Cuscuta californica Steve Boyd, Timothy S. Ross 1992-5-19 7420 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon. 366 Comment
  RSA597140  Cuscuta californica L. C. Wheeler 1962-7-26 8177 Riverside Head of San Juan Creek. Comment
  RSA788244  Cuscuta californica R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49628 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station Comment
  UC1608264  Cuscuta californica Steve Boyd and Tim Ross 1992-5-19 7420 Orange San Mateo Canyon Wilderness Area, w edge of the wilderness along Lucas Canyon Trail from access roadd to Rancho Carrillo (7S06) n into Aliso Canyon Southern Santa Ana Mountains 365 Comment
  RSA503199  Cuscuta ceanothi G. D. Wallace, G. Cromwell 1966-4-16 457 Orange W edge of Cleveland Nat. For. about 5 mi. E of San Juan Capistrano, in the Santa Ana Mountains, in Hot Springs Canyon. Comment
  RSA788245  Cuscuta ceanothi R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49627 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station 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
  RSA716729  Cuscuta subinclusa Fred M. Roberts 2004-8-21 6100 Orange Santa na Mtns.: Hot Springs Cyn., Hot Springs Cyn. Rd., c.a. 0.8km by road N jct. SR 74; 0.7km NNW Juan Rancho Survey Mark. 255 Comment
  UCD169765  Cuscuta subinclusa R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49627 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station. 214 Comment
  RSA571307  Cynara cardunculus subsp. flavescens Steve Boyd, Darin L. Banks 1994-4-5 8255 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UCD60092  Cynodon dactylon E. W. Lathrop 1965-5-24 5379 Riverside 14 miles west of Murrieta. 548 Comment
  CAS-BOT-BC114542  Cyperus eragrostis G. Helmkamp; E. A. Helmkamp 1998-8-17 4446 Riverside Santa Ana Mts: San Juan Cyn along the Ortega Hwy (CA-74) beside the Orange Co. line. 502 Comment
  RSA798098  Cyperus eragrostis Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49572 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  SBBG128577  Cyperus eragrostis R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49572 Orange San Juan Cyn at Lower Picnic Camp, just below Ortega Hwy (74); Santa Ana Mtns Comment
  UCR107261  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 1998-8-17 4446 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR174223  Cyperus eragrostis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33014 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA708531  Cyperus involucratus Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6108 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  RSA731800  Cyperus involucratus Fred M. Roberts, Sandy Leatherman 2007-11-9 6641 Orange Santa Ana Mtns.: San Juan Canyon along San Juan Creek, 0.2km E community of San Juan Hot Springs. 222 Comment
  RSA731801  Cyperus involucratus Fred M. Roberts, Sandy Leatherman 2007-11-9 6641 Orange Santa Ana Mtns.: San Juan Canyon along San Juan Creek, 0.2km E community of San Juan Hot Springs. 222 Comment
  UCSB56512  Cyperus niger Marsh, G.; Marsh, K. 1977-11-21 Orange Santa Ana Mts.; San Juan Hot Springs Comment
  RSA450864  Cyperus niger var. capitatus Gordon Marsh, Karlin G. Marsh 1977-11-21 s.n. Orange Santa Ana Mountains: San Juan Hot Springs. Comment
  RSA797602  Cyperus niger var. capitatus Robert F. Thorne 1977-11-21 49999 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  UC2047828  Cyperus niger var. capitatus Robert F. Thorne 1977-11-21 49999 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs. Comment
  RSA450865  Cyperus odoratus Gordon Marsh, Karlin G. Marsh 1977-11-21 s.n. Orange Santa Ana Mountains: San Juan Hot Springs. Comment
  UCSB56514  Cyperus odoratus Marsh, G.; Marsh, K. 1977-11-21 Orange Santa Ana Mts.; San Juan Hot Springs Comment
  CAS-BOT-BC114051  Cyperus squarrosus Joseph Cook (Rev.) Nevin 1882-1-1 s.n. Los Angeles San Juan Hot Springs. 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
  CAS-BOT-BC402185  Datisca glomerata R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49618 Orange Santa Ana Mountains: Bluffs above San Juan Creek, about 1 mile above San Juan Fire Station. Comment
  RSA562811  Datisca glomerata Steve Boyd, Timothy S. Ross 1992-5-20 7483 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building). 350 Comment
  RSA790026  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
  RSA791871  Datisca glomerata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49618 Orange Santa Ana Mountains: Bluffs above San Juan Creek, about 1 mile above San Juan Fire Station Comment
  UC2042145  Datisca glomerata R. F. Thorne with 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
  UCD169744  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). 432 Comment
  UCR101803  Datisca glomerata George K. Helmkamp, E. A. Helmkamp 1998-8-17 4440 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR174179  Datisca glomerata A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33019 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
  UCSB48130  Datura wrightii Roberts, Fred 1981-4-12 Orange SANTA ANA MOUNTAINS: San Juan Canyon, Hwy 74 2.0km SW by road from San Juan Guard Station; 2.7km SW Juan Rancho Survey Mark 210 Comment
  RSA562458  Daucus pusillus Steve Boyd, Timothy S. Ross 1992-5-5 7231 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  RSA648189  Daucus pusillus Karl Price 1988-5-21 51 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
  RSA649081  Delphinium Karl Price 1988-5-7 35 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
  RSA561019  Delphinium parryi Steve Boyd 1992-5-4 7191 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SD152772  Delphinium parryi Steve Boyd, Tim Ross 1992-5-4 7191 Riverside San mateo Canyon Wilderness, Oak Flats area east of Verdugo Potrero, native grassland 730 Comment
  RSA594894  Delphinium patens subsp. hepaticoideum Fred M. Roberts, Sandy Leatherman, B. Leatherman 1994-4-24 4907 Orange San Juan Canyon, south side of Calif. Route 74, 1.2 km SW Lower San Juan Picnic Ground. 390 Comment
  VVC357  Dicentra chrysantha P. J. MacKay 1990-5-25 s.n. Orange Peninsular Range, Hwy 74 near San Juan Hot Springs 198 Comment
  CHSC26004  Dichelostemma capitatum subsp. capitatum E. Bushey 1968-5-15 54 Orange San Juan Canyon. 365 Comment
  RSA560839  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross 1992-5-4 7183 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA562486  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross 1992-5-5 7250 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 793 Comment
  SD153003  Dichelostemma capitatum subsp. capitatum Steve Boyd, Tim Ross 1992-5-4 7183 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area, Oak Flats area east of Verdugo Potrero. Rolling terrain. Common on heavy soil, native grassland and adjacent openings in chaparral and oak woodland. 730 Comment
  SEINET219060  Dichelostemma capitatum subsp. capitatum J. McNeill 1969-3-19 3017 Orange Aliso Canyon ca. 5 km. south of Laguna Beach. 10 Comment
  RSA573300  Dichondra micrantha Steve Boyd, Timothy S. Ross, Bob Boyd 1994-9-14 8357 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
  RSA562808  Digitalis purpurea Steve D. Boyd, Tim S. Ross 1992-5-20 7480 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
  SD152749  Digitalis purpurea Steve Boyd, Tim Ross 1992-5-20 7480 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 homestea. 351 Comment
  RSA788966  Digitaria sanguinalis R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49579 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  SD136750  Diplacus aurantiacus Steve Boyd, Tim Ross 1992-5-5 7213 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 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-BC152059  Diplacus longiflorus John Thomas Howell; Alice Eastwood 1937-4-24 3929 Orange 2 miles east of San Juan Hot Springs Comment
  CAS-BOT-BC150842  Diplacus puniceus Alice Eastwood; John Thomas Howell 1937-4-24 3931 Orange 2 miles east of San Juan Hot Springs Comment
  CAS-BOT-BC150843  Diplacus puniceus Alice Eastwood; John Thomas Howell 1937-4-24 3930 Orange 2 miles east of San Juan Hot Springs Comment
  SD42976  Diplacus puniceus Ethel B. Higgins 1948-3-1 Orange Near San Juan Camp Comment
  SD42977  Diplacus puniceus Ethel B. Higgins March 1948 Orange Near San Juan Camp Comment
  RSA562484  Distichlis spicata Steve Boyd, Timothy S. Ross 1992-5-5 7252 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  RSA708818  Distichlis spicata Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6113 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  SD136963  Distichlis spicata Steve Boyd, Tim Ross 1992-5-5 7252 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. Local and uncommon along small, flowing stream south of Serrano Spring 730 Comment
  RSA461343  Dodecatheon clevelandii Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  RSA699993  Dodecatheon clevelandii L. C. Hull 1934-3-11 s.n. Orange Ortega Highway. Comment
  RSA180368  Drymocallis glandulosa E. W. Lathrop 1960-6-8 4908 Riverside 14 miles west of Murrieta Comment
  RSA562487  Drymocallis glandulosa Steve D. Boyd, Tim S. Ross 1992-5-5 7249 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  RSA701654  Drymocallis glandulosa Keith E. Hoffmaster 1935-5-5 s.n. Orange San Juan Canyon., Santa Ana Mts. Comment
  RSA701656  Drymocallis glandulosa Keith E. Hoffmaster 1935-5-5 s.n. Orange San Juan Canyon., Santa Ana Mts. Comment
  UC1606622  Drymocallis glandulosa Steve Boyd and Tim Ross 1992-5-5 7249 Riverside grassland area s Oak Flats (sw of Bluewater Trail, San Mateo Canyon Wilderness Area); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  IRVC122  Dryopteris arguta A. S. Boughey 121 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  IRVC20515  Dryopteris arguta Fred M. Roberts 1983-9-26 1120 Orange Lion Canyon, Chiquito Basin Trail, 3.3km NNE Lower San Juan Picnic Ground; 4.3km SSE Los Pinos Peak. Santa Ana Mountains 810 Comment
  IRVC24819  Dryopteris arguta Fred M. Roberts, G. A. Marsh 1986-5-16 2898 Orange ridge above San Juan Canyon, Sitton Peak Truck Trail, 3.9km W Sitton Peak, Santa Ana Mountains 670 Comment
  IRVC28642  Dryopteris arguta Mark A. Elvin, A. C. Sanders 2005-9-2 4497 Orange Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Santa Ana Mtns 457 Comment
  SEINET9625424 Image available Dryopteris arguta M. D. Windham 1998-3-31 98 -091 Orange Along tributary of Hot Spring Canyon in the Santa Ana Mts. ca. 3.01 km SE of Crow Spring. Cleveland N.F. Canada Gobernadora Quad ( 7 1/2 min. ). 320 Comment
  UC2030238  Dryopteris arguta J. Metzgar with K. Pryer and M. Windham 2006-4-25 177 Orange Cleveland National Forest: Hot Springs Canyon Comment
  UCR174212  Dryopteris arguta A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33039 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
  UCR175515  Dryopteris arguta Mark A. Elvin, A. C. Sanders 2005-9-2 4497 Orange Peninsular Ranges, Santa Ana Mtns: Mouth of Lion Canyon, just upstream from Lower San Juan Campground 457 Comment
  RSA659892  Dudleya Karl Price 1988-5-21 43 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
  IRVC22733  Dudleya lanceolata Fred M. Roberts 1985-5-13 1788 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  SBBG119281  Dudleya lanceolata V. Soza, L. Gross 1999-6-21 569 Riverside Oak Flats, SW of Serrano Spring; T7N R6W SE/4, NE/4 S13 731 Comment
  UCR150893  Dudleya lanceolata Valerie Soza, LeRoy Gross 1999-6-21 569 Riverside Santa Ana Mountains, Oak flats, SW of Serrano Spring 732 Comment
  RSA559432  Dudleya multicaulis Steve Boyd, Timothy S. Ross 1992-5-5 7222 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA561017  Dudleya multicaulis Steve Boyd, Timothy S. Ross 1992-5-4 7193 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA562764  Dudleya multicaulis Steve Boyd, Timothy S. Ross 1992-5-19 7418 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon. 366 Comment
  UCR150892  Dudleya multicaulis Valerie Soza, LeRoy Gross 1999-6-21 570 Riverside Santa Ana Mountains, Oak flats, SW of Serrano Spring 732 Comment
  UCR174216  Dudleya pulverulenta A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33028 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
  CAS-BOT-BC109766  Dudleya viscida Carl B. Wolf 1936-6-17 7948 Orange Santa Ana Mountains, along Ortega Highway, 0.6 mile below San Juan Hot Springs. 182 Comment
  CAS-BOT-BC109767  Dudleya viscida Carl B. Wolf 1936-6-17 7948 Orange Santa Ana Mountains, along Ortega Highway, 0.6 mile below San Juan Hot Springs. 182 Comment
  CAS-BOT-BC109771  Dudleya viscida E. K. Balls 1936-6-17 19736 Orange Santa Ana Mountains, San Juan Canyon, along Ortega Highway, 0.6 mile below San Juan Hot Springs. 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
  POM277740  Dudleya viscida H. G. Rush 1948-5-14 102 Orange San Juan Canyon, 1/4 mile below San Juan Hot Springs 305 Comment
  RSA17568  Dudleya viscida C. B. Wolf 1936-6-17 2596 Orange Santa Ana Mts., along Ortega Hwy, 6/10 mi below San Juan Hot Springs. 182 Comment
  RSA562748  Dudleya viscida Steve Boyd, Timothy S. Ross 1992-5-19 7444 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon from crossing the creek by Lucas Canyon Trail, downstream to confluence with Aliso Canyon. 274 Comment
  RSA715245  Dudleya viscida A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33053 Orange San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 366 Comment
  SD212579  Dudleya viscida A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33053 Orange Santa Ana Mountains; San Juan Canyon from Lower San Juan Picnic Area to ca. 1.0 mile downstream, parallel to Highway 74 and near Riverside County line. 366 Comment
  UC1015403  Dudleya viscida Reid Moran 1931-1 5246 Orange San Juan Hot Springs 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
  UCR174020  Dudleya viscida A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33053 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  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
  UCSB48031  Dudleya viscida Roberts, Fred 1980-7-7 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 2.3 km. ENE San Juan Guard Station; 0.4 km. W of Bench Mark 1100 315 Comment
  UCSB50636  Dudleya viscida Roberts, Fred 1982-7-9 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 1.4 km. by road E San Juan Guard Station; 4.6 km. W Sitton Peak 275 Comment
  RSA789588  Echinochloa crus-galli R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49634 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  CAS-BOT-BC168149  Eleocharis montevidensis A. C. Sanders; Fred M. Roberts; Michelle Balk 2006-7-20 33003 Orange Peninsular Range; Santa Ana Mtns.: San Juan Canyon, from Lower San Juan Picnic Area to ca. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA752647  Eleocharis montevidensis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33003 Orange San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 366 Comment
  SD234737  Eleocharis montevidensis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33003 Orange Peninsular Range; Santa ana Mtns.: San Juan Canyon, from Lower San Juan Picnic Area to ca. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line. Canyon bottom. 366 Comment
  UCR174181  Eleocharis montevidensis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33048 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
  UCR174225  Eleocharis montevidensis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33003 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA789589  Eleocharis montevidensis var. parishii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49633 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  RSA798192  Eleocharis montevidensis var. parishii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49571 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCD169812  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). Along San Juan Creek. 433 Comment
  CAS-BOT-BC112163  Eleocharis radicans Steve Boyd; Timothy S. Ross 1994-9-14 8354 Orange Lucas Canyon just downstream of Lucas Canuyon Trail Crossing. 304 Comment
  RSA573297  Eleocharis radicans Steve Boyd, Timothy S. Ross 1994-9-14 8354 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucas Canyon Trail crossing. 305 Comment
  RSA752648  Eleocharis radicans A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33024 Orange San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 366 Comment
  SD136984  Eleocharis radicans Steve Boyd, Tim Ross 1994-9-14 8354 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucas Canyon Trail crossing. (IPB 10/07) 305 Comment
  UCR174194  Eleocharis radicans A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33024 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
  UCR84379  Eleocharis radicans Steve Boyd, T. S. Ross 1994-9-14 8354 Orange Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucas Canyon trail crossing. 305 Comment
  RSA798184  Elymus glaucus R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49597 -a 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-BC206525  Elymus glaucus subsp. glaucus Steve Boyd; Tim Ross 1992-5-4 7203 Riverside Sourthern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero 731 Comment
  RSA561007  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross 1992-5-4 72032 Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  RSA562451  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-5 7238 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA594897  Emmenanthe penduliflora Fred M. Roberts, Sandy Leatherman, B. Leatherman 1994-4-24 4910 Orange Santa Ana Mtns: San Juan Canyon, south side of California, route 74, 1.7kim WSW lower San Juan Picnic Ground. 354 Comment
  VVC254  Emmenanthe penduliflora P. J. MacKay 1990-5-25 s.n. Orange Peninsular Range, Hwy 74 near San Juan Hot Springs 198 Comment
  RSA797597  Epilobium canum subsp. angustifolium Robert F. Thorne 1977-11-21 49994 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  UCR174018  Epilobium ciliatum A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33011 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
  RSA588523  Epilobium ciliatum subsp. ciliatum M. B. Dunkle 1934-6-18 3982 Orange San Juan Canyon; Southern Coastal 305 Comment
  IRVC28640  Epipactis gigantea Mark A. Elvin, A. C. Sanders 2005-9-2 4495 Orange Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Santa Ana Mtns 457 Comment
  SEINET13710791  Epipactis gigantea A. Alexis, A. Alexis 1978-1 Riverside Along State Highway 74 Near Sitton Peak Comment
  UCR15896  Epipactis gigantea Steve Boyd 1978-4-26 780426- 08 Orange Peninsular Range; Santa Ana Mtns., Hwy 74, 1.3 mi west of the Riverside/Orange Co. line Comment
  UCR174208  Epipactis gigantea A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33030 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
  UCR175445  Epipactis gigantea Mark A. Elvin, A. C. Sanders 2005-9-2 4495 Orange Peninsular Ranges, Santa Ana Mtns: Mouth of Lion Canyon, just upstream from Lower San Juan Campground 457 Comment
  RSA790023  Equisetum arvense R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49566 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCR174229  Equisetum arvense A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33038 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
  RSA790024  Equisetum hyemale var. affine R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49565 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  IRVC22826  Equisetum laevigatum Fred M. Roberts 1985-6-7 1864 Orange Santa Ana Mtns: San Juan Canyon; Hwy 74, 2.6km SW Lower San Juan Picnic Ground Peninsular Ranges 290 Comment
  RSA684625  Equisetum laevigatum Albert J. Perkins 1913-3-5 s.n. Orange San Juan Hot Springs Comment
  UCR174026  Equisetum laevigatum A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33050 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
  RSA798092  Equisetum telmateia var. braunii R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49599 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-BC412826  Eragrostis mexicana subsp. virescens R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49567 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  RSA798101  Eragrostis mexicana subsp. virescens R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49567 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UC2042144  Eragrostis mexicana subsp. virescens R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49567 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCSB48005  Eriastrum sapphirinum subsp. dasyanthum Roberts, Fred 1980-6-29 Orange Santa Ana Mtns., Viejo Canyon, 0.4 km. N Calif. Rte. 74; 2.2 km. ENE San Juan Guard Station 341 Comment
  RSA708533  Ericameria parishii var. parishii Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6106 Orange Caspers Wilderness Park, Hot Springs Cyn., Hot Springs Trail, c.a. 0.16km WSW San Juan Ranger Station, north of SR 74. 212 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
  UCR101806  Erigeron foliosus George K. Helmkamp, E. A. Helmkamp 1998-8-17 4438 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCSB48195  Erigeron foliosus Roberts, Fred 1981-6-26 Orange Santa Ana Mtns.; Viejo Cyn., 0.5km N Calif. Rte. 74; 2.7km ENE San Juan Guard Station 317 Comment
  RSA648191  Erigeron foliosus var. stenophyllus Karl Price 1988-5-7 30 Orange An unnamed side canyon within Hot Springs Canyon. It is on Hot Springs Canyon Rd., 0.75 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 304 Comment
  RSA68305  Erigeron foliosus var. stenophyllus G. R. Campbell 1951-5-30 16097 Orange San Juan Canyon, Ortega Hwy, 4 mi. inside west border of Cleveland National Forest 152 Comment
  RSA393465  Eriogonum davidsonii M. B. Dunkle 1934-6-18 3999 Riverside Head of San Juan Canyon. 549 Comment
  RSA716727  Eriogonum elongatum Fred M. Roberts 2004-8-21 6101 Orange Santa Ana Mtns.: Hot Springs Cyn., Hot Springs Cyn. Rd., c.a. 0.8km by road N. jct. SR 74; 0.7 km NNW Juan Rancho Survey Mark. 255 Comment
  RSA731762  Eriogonum elongatum Fred M. Roberts, Sandy Leatherman 2007-11-9 6644 Orange San Juan Canyon along San Juan Creek. 0.2 km E community of San Juan Hot Springs. 222 Comment
  RSA393517  Eriogonum fasciculatum N. C. Cooper 1949-5-1 3943 Orange San Juan Canyon. 610 Comment
  RSA649079  Eriogonum fasciculatum subsp. fasciculatum Karl Price 1988-4-28 10 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
  RSA393427  Eriogonum fasciculatum var. foliolosum M. B. Dunkle 1933-3-5 3094 Orange San Juan Canyon 305 Comment
  RSA393428  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-6-4 1331 Orange San Juan Canyon. 305 Comment
  UCSB48025  Eriogonum fasciculatum var. foliolosum Roberts, Fred 1980-7-7 Orange Santa Ana Mtns; San Juan Canyon, Calif. Rte. 74, 2.2km ENE San Juan Guard Station; 0.6km W BM 1100 305 Comment
  UCSB48007  Eriogonum gracile Roberts, Fred 1980-6-29 Orange Santa Ana Mtns; Viejo Canyon; 0.4km N Calif. Rte 74; 2.2km ENE San Juan Guard Station 341 Comment
  POM357962  Eriophyllum confertiflorum Norman C. Cooper 1949-5-1 3935 Orange San Juan Canyon 610 Comment
  POM357963  Eriophyllum confertiflorum M. B. Dunkle 1934-6-18 3998 Orange San Juan Canyon, Southern Coastal. 305 Comment
Read comments Oct 3 2011
  RSA695682  Eriophyllum confertiflorum Kenneth Beard 1934-04 s.n Riverside Mtns. along Ortega Hwy. N. of San Juan hot Springs Comment
Read comments Oct 31 2011
  UCSB47578  Eriophyllum confertiflorum Roberts, Fred 1980-4-3 Orange San Juan Canyon, Hwy. 74, bank across from entrance to Lower San Juan Picnic Ground, Santa Ana Mountains 410 Comment
  VVC62  Eriophyllum confertiflorum P. J. MacKay 1990-5-25 s.n. Orange Peninsular Range, Hwy 74 near San Juan Hot Springs 198 Comment
  LA203538  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1937-9-6 sn Orange Santa Ana Mountains, Ortega Rd Comment
  LA203539  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1937-9-6 sn Orange Santa Ana Mountains, Ortega Rd Comment
  UC1118325  Eriophyllum confertiflorum var. confertiflorum J. B. Spring 1931-4-14 33 Orange Cold Spring Harbor Elsinore Quadrangle, Cold Spring Harbor 457 Comment
Read comments Jan 11 2007
  RSA748805  Erodium botrys G. Gust, L. Nye 2005-3-12 566 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  SEINET10890419  Erodium botrys Greg Gust, Leith Nye 2005-3-12 Gust 566 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  SD152833  Erodium moschatum Steve Boyd, Tim Ross 1992-5-19 7415 Orange Santa Ana Mts, San Mateo Canyon Wilderness Area. W. edge of wilderness along Lucas Canyon Trail from access road to Rcho Carrillo 7S06 N into Aliso Canyon Comment
  SD136748  Erythranthe guttata Steve Boyd, Tim Ross 1992-5-5 7253 Riverside San mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails 730 Comment
  RSA0012822  Eucalyptus polyanthemos Fred M. Roberts, Sandy Leatherman 2007-11-9 6648 Orange San Juan Canyon along San Juan Creek, within the community of San Juan Hot Springs. 216 Comment
  RSA571314  Eucrypta chrysanthemifolia Steve Boyd, D. L. Banks 1994-4-5 8263 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  RSA787624  Euphorbia dictyosperma Keith E. Hoffmaster 1935-5-5 625 Orange San Juan Canyon., Santa Ana Mts. Comment
  SD152866  Euphorbia peplus Steve Boyd, Tim Ross 1992-5-19 7439 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Western edge of wilderness in Lucas Canyon from crossing of creek by Lucas Canyon Trail, downstreem to confluence with Aliso Canyon (mak 1/06) 270 Comment
  RSA0104833  Euphorbia polycarpa var. polycarpa A. S. Boughey 140 Orange Santa Ana Mountains: Ortega Hwy., ca 1 mi east of San Juan Guard Sta. Comment
  IRVC21742  Euthamia occidentalis Fred M. Roberts 1984-10-18 1430 Orange San Juan Canyon, 2.5km ENE San Juan Guard Station; 4.0km WNW Sitton Peak, Santa Ana Mountains 310 Comment
  SD152989  Festuca perennis Steve Boyd, Tim Ross 1992-5-4 7173 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. Near junction of Lucas Canyon and Verdufo Trails. 730 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
  RSA731756  Ficus elastica Fred M. Roberts, Sandy Leatherman 2007-11-9 6649 Orange San Juan Canyon along San Juan Creek, within the community of San Juan Hot Springs. 216 Comment
  SD152766  Frangula californica subsp. tomentella Steve Boyd, Tim Ross 1992-5-19 7435 Orange 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 274 Comment
  RSA392142  Frasera parryi M. B. Dunkle 1934-6-18 3964 Riverside Upper San Juan Canyon. Comment
  UCR174224  Fraxinus pennsylvanica subsp. velutina A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33043 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  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
  LA208397  Galium angustifolium Norman C. Cooper; 1944-6-4 Orange San Juan Canyon 304 Comment
  SEINET10500686  Galium angustifolium James S. Miller 1992-5-8 Miller 7450 Orange 2 mi E of the border of Cleveland National on California route 74. 310 Comment
  SEINET272177  Galium angustifolium G. K. Helmkamp, E. A. Helmkamp 1997-4-24 1655 Orange Cleveland National Forest ; Cleveland National Forest. 1.6 mil. SE of Ortega Hwy (CA-74) on Rd. 7-S14. UTM 10km cell: MH-5E 1N. San Juan Hot Sprin 549 Comment
  SEINET7067519  Galium angustifolium A. G. Vestal 1947-6-12 s.n. Orange Upper San Juan Canyon on Route 74 to Lake Elsinore in Cleveland National Forest. Coordinate datum: NAD27. UTM Zone 11, 452352mE, 3716538mN. Comment
  POM367703  Galium angustifolium subsp. angustifolium N. C. Cooper 1949-5-1 3950 Orange San Juan Canyon 610 Comment
  RSA33791  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-6-4 1372 Orange San Juan Canyon. 305 Comment
  RSA609650  Galium angustifolium subsp. angustifolium R. S. Woglum 1938-5-8 1615 Orange Peninsular Ranges: Capistrano to Elsinore; Santa Ana Mountains [Orange and Riverside counties]. Comment
  RSA67768  Galium angustifolium subsp. angustifolium G. R. Campbell 1951-5-30 16095 Orange San Juan Canyon, Ortega Hwy, 4 mi. inside west border of Cleveland National Forest 152 Comment
  SBBG47439  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-6-4 1372 Orange San Juan Cyn 304 Comment
  UCR97638  Galium angustifolium subsp. angustifolium George K. Helmkamp, E. A. Helmkamp 1997-4-24 1651 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
  RSA561008  Galium aparine Steve D. Boyd, Tim S. Ross 1992-5-4 7202 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SD136758  Galium aparine Steve Boyd, Tim Ross 1992-5-4 7202 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  UC1608263  Galium parisiense Steve Boyd and Tim Ross 1992-5-19 7428 Orange along Lucas Canyon Trail from access road to Rancho Carillo (7SO6) n to Aliso Canyon (w edge of wilderness); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 365 Comment
  UCR158850  Galium parisiense A. C. Sanders, Mark A. Elvin 2005-9-2 31603 Orange Peninsular Range; Santa Ana Mtns., mouth of Lion Canyon near Lower San Juan Picnic Area, San Juan Creek Canyon 427 Comment
  RSA559447  Galium porrigens Steve D. Boyd, Tim S. Ross 1992-5-5 7221 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA562824  Galium porrigens Steve D. Boyd, Tim S. Ross 1992-5-20 7457 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon along canyon floor from crossing Lucas Canyon Trail., Upstream 1/4 mile to spur trail leading to old mining habitations in side canyon. 305 Comment
  SD152756  Galium porrigens var. porrigens Steve Boyd, Tim Ross 1992-5-20 7457 Orange San Mateo Canyon Wilderness Area. Western edge in Lucas Canyon along canyon floor from crossing of Lucas Canyon Trail, upstream Ao mile to spur trail leading to old mining habitations in side canyon 305 Comment
  UC1608262  Galium porrigens var. porrigens Steve Boyd and Tim Ross 1992-5-20 7457 Orange along canyon floor from crossing of old Lucas Canyon trail upstream 1/4 mi to spur trail leading to old mining habitations in side canyon (w edge of wilderness); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 304 Comment
  UCR79211  Galium porrigens var. porrigens Steve Boyd, T. S. Ross 1992-5-5 7221 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area. Oak Flats east of Verdugo Potrero 732 Comment
  RSA798187  Gastridium phleoides R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49596 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. 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
  RSA696698  Geranium carolinianum Keith E. Hoffmaster 1935-5-5 s.n. Orange San Juan Canyon., Santa Ana Mts. Comment
  SEINET272170  Gilia capitata subsp. abrotanifolia G. K. Helmkamp, E. A. Helmkamp 1997-4-24 1660 Orange Cleveland National Forest ; Cleveland National Forest 1.6 mi. SE of Ortega Hwy (CA-74) on Rd. 7-S14. UTM 10km cell: MH-5E 1N. San Juan Hot Spring 549 Comment
  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
  RSA469357  Gilia diegensis M. B. Dunkle 1938-5-28 5281 Riverside San Juan Canyon. Comment
  RSA560844  Githopsis diffusa subsp. candida Steve Boyd, Timothy S. Ross 1992-5-4 7178 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SD152893  Githopsis diffusa subsp. candida Steve Boyd, Tim Ross 1992-5-4 7178 Riverside Southern Santa Ana Mountains, Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR79214  Githopsis diffusa subsp. candida Steve Boyd, T. S. Ross 1992-5-4 7178 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  POM358937  Gnaphalium californicum N. C. Cooper 1949-5-1 3945 Orange San Juan Canyon 610 Comment
  RSA17566  Gnaphalium californicum C. B. Wolf 1936-6-17 7952 Orange Long Ortega Highway San Juan Canyon, 5/10 mi. e. of Orange Co. Line Riverside 366 Comment
Read comments Aug 9 2014
  RSA562490  Gnaphalium californicum Steve Boyd, Tim Ross 1992-5-5 7246 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  UCR174027  Gnaphalium californicum A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33008 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
  RSA731759  Gnaphalium canescens subsp. microcephalum Fred M. Roberts, Sandy Leatherman 2007-11-9 6646 Orange San Juan Canyon along San Juan Creek, within the community of San Juan Hot Springs. 216 Comment
  RSA573302  Gnaphalium leucocephalum Steve Boyd 1994-9-14 8359 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
  RSA559458  Gnaphalium palustre Steve Boyd, Tim Ross 1992-5-4 7209 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA560849  Gnaphalium palustre Steve Boyd, Tim Ross 1992-5-4 7175 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  POM156464  Grindelia camporum var. bracteosa L. R. Abrams 1903-4-19 3273 Orange San Juan Comment
  RSA594898  Guillenia lasiophylla Fred M. Roberts 1995-5-19 4943 Orange Santa Ana Mtns, San Juan canyon, S of California, Route 74, 2.3km WSW lower San Juan Picnic Ground. 512 Comment
  RSA788243  Gutierrezia bracteata R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49629 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station Comment
  RSA797596  Hazardia squarrosa var. grindelioides R. F. Thorne 1977-11-21 49993 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  RSA562726  Hedypnois cretica Steve Boyd 1992-5-20 7462 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon along canyon floor from crossing Lucas Canyon Trail., Upstream 1/4 mile to spur trail leading to old mining habitations in side canyon. 305 Comment
  SD152934  Hedypnois cretica Steve Boyd, Tim Ross 1992-5-20 7462 Orange Southern Santa Ana Mountains; western edge of the wilderness in Lucas Canyon along canyon floor from crossing of Lucas Canyon Trail and spur trail to old mining habitations. 305 Comment
  UCR79270  Hedypnois cretica Steve Boyd, T. S. Ross 1992-5-20 7462 Orange Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area: Western edge of the wilderness in Lucas Canyon along canyon floor from crossing of Lucas Canyon Trail, upstream 0.25 mi to spur trail leading to old mining habitations in side canyon. 412 Comment
  LA204752  Helianthemum scoparium W. Pequegnat; 1936-9-8 102 Orange Santa Ana Mountains, Ortega Rd Comment
  SFV18100  Helianthemum scoparium J. D. Dilley, J. N. Hogue, D. L. Bishop 1998-4-9 257 Orange Santa Ana Mountains. San Juan Canyon at San Juan Hot Springs just inside western border of Cleveland National Forest. 213 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
  SD136917  Helianthus gracilentus Steve Boyd, Tim Ross 1994-9-14 8356 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. 299 Comment
  UCR98123  Helianthus gracilentus George K. Helmkamp, E. A. Helmkamp 1997-4-24 1650 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
  RSA498167  Helianthus nuttallii subsp. nuttallii M. B. Dunkle 1933-3-5 3082 Orange San Juan Canyon 304 Comment
  CAS-BOT-BC403799  Hesperocnide tenella Steve Boyd; Tim Ross 1992-5-19 7440 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
  RSA562744  Hesperocnide tenella Steve D. Boyd, Tim S. Ross 1992-5-19 7440 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon from crossing the creek by Lucas Canyon Trail, downstream to confluence with Aliso Canyon. 274 Comment
  RSA561014  Hesperolinon micranthum Steve Boyd, Tim Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SD152814  Hesperolinon micranthum Steve Boyd, Tim Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR79212  Hesperolinon micranthum Steve Boyd, T. S. Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  SD136992  Hesperoyucca whipplei Steve Boyd, Tim Ross 1992-5-4 7200 Riverside Southern Santa Ana Mountains; San Mateo County Wilderness Area; Oak flats area east of Verduga Potrero. 730 Comment
  RSA649083  Heteromeles arbutifolia Karl Price 1988-5-21 57 Orange An unnamed side canyon within Hot Springs Canyon. It is on Hot Springs Canyon Rd., 0.75 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 305 Comment
  RSA786954  Heteromeles arbutifolia Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49621 Orange Santa Ana Mountains: about 1 mile above San Juan Fire Station Comment
  UCR174217  Heteromeles arbutifolia A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33060 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
  IRVC799  Heterotheca grandiflora A. S. Boughey 151 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  SEINET11266845  Heterotheca grandiflora R. Nelson, Baumann; Kondratieff; Sargent 1988-1-12 5117 Orange San Juan Creek at Lower San Juan Campground.; 0 366 Comment
  RSA708536  Heterotheca sessiliflora subsp. echioides Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6104 Orange Caspers Wilderness Park, Hot Springs Cyn., Hot Springs Trail, c.a. 0.16km WSW San Juan Ranger Station, north of SR 74. 212 Comment
  RSA788804  Hirschfeldia incana R. F. Thorne 1977-11-21 49983 -a Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp Comment
  SD136873  Hirschfeldia incana Steve Boyd, Tim Ross 1992-5-5 7214 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  CAS-BOT-BC402179  Hoita macrostachya R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49564 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  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
  RSA756997  Hoita macrostachya Greg Wright 1971-7-17 306 Riverside Hwy 74, San Juan Creek and Canyon, Santa Ana Mts, Alt 1650ft, Santa Ana River 503 Comment
  SBBG120959  Hoita macrostachya A. C. Sanders, F. M. Roberts, M. Balk 2006-7-20 33029 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
  UCSB48008  Hoita macrostachya Roberts, Jr., Fred 1980-7-11 Orange Santa Ana Mtns.; Viejo Canyon, 3.0 km. ENE San Juan Guard Station; 0.7 km. N Hwy.74 355 Comment
  CAS-BOT-BC285038  Hordeum depressum Steve Boyd; Tim Ross 1992-5-4 7176 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 731 Comment
  UCR79250  Hordeum marinum subsp. gussoneanum Steve Boyd, T. S. Ross 1992-5-4 7176 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  RSA571293  Hordeum murinum subsp. leporinum Steve Boyd, Darin Banks 1994-4-5 8273 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potreto, along the Lucas Canyon Trail. 732 Comment
  IRVC20520  Horkelia cuneata subsp. puberula Fred M. Roberts 1983-9-26 1114 Orange Lion Canyon, Chiquito Basin Trail, 3.3km NNE Lower San Juan Picnic Ground; 4.3km SSE Los Pinos Peak. Santa Ana Mountains 810 Comment
  POM305048  Horkelia cuneata subsp. puberula Henry J. Ramsey 1937-1-9 374 Orange San Juan Canyon 152 Comment
  RSA366540  Horkelia cuneata subsp. puberula N. C. Cooper 1944-6-4 1369 Orange San Juan Canyon. 152 Comment
  SEINET272171  Hypochaeris glabra G. K. Helmkamp, E. A. Helmkamp 1997-4-24 1659 Orange Cleveland National Forest ; Cleveland National Forest 1.6 mi. SE of Ortega Hwy (CA-74) on Rd. 7-S14. UTM 10km cell: MH-5E 1N. San Juan Hot Spring 549 Comment
  UCR98131  Hypochaeris glabra George K. Helmkamp, E. A. Helmkamp 1997-4-24 1659 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 1.6 mi. SE of Ortega Hwy (Calif. Hwy 74) on Rd. 7-S14 549 Comment
  UCSB47577  Hypochaeris glabra Roberts, Jr., Fred 1980-4-3 Orange San Juan Canyon, Hwy. 74, entrance to lower San Juan Picnic Grounds, Santa Ana Mtns. 409 Comment
  OBI28466  Isocoma menziesii var. vernonioides J. & B. Sample, B. Sample 1981-8-12 5589 Orange Near Orange County line on hwy 74 610 Comment
  RSA573427  Isocoma menziesii var. vernonioides Steve Boyd, Tim Ross 1994-9-14 8348 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon trail at stream crossing in Aliso Canyon. 341 Comment
  RSA573431  Isocoma menziesii var. vernonioides Steve Boyd, Tim Ross 1994-9-14 8344 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon trail at stream crossing in Aliso Canyon. 341 Comment
  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
  SD136909  Isocoma menziesii var. vernonioides Steve Boyd, Tim Ross 1994-9-14 8344 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness area, Lucas Canyon trail at stream crossing in Aliso Canyon 341 Comment
  SD136910  Isocoma menziesii var. vernonioides Steve Boyd, Tim Ross 1994-9-14 8343 Orange Southern Santa Ana Mountains,San Mateo Canyon Area,Lucas Canyon trailhead at Forest Service Road 7S06 on ridge dividing Aliso and Verdugo Cany 509 Comment
  UC1605435  Isocoma menziesii var. vernonioides Steve Boyd and Tim Ross 1994-9-14 8348 Orange Lucas Canyon Trail trail at divide between Aliso Canyon and Lucas Canyon; Southern Santa Ana Mountains, Cleveland N.F., San Mateo Cany 341 Comment
  RSA788801  Jepsonia parryi R. F. Thorne 1977-11-21 49984 -b Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp Comment
  RSA797478  Jepsonia parryi R. F. Thorne 1977-11-21 49991 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  UCR93338  Jepsonia parryi G. R. Ballmer 1994-11-16 s.n. Orange Peninsular Range; Santa Ana Mtns., Ortega Hwy in vicinity (W of) of National Forest boundary 250 Comment
  CAS-BOT-BC402183  Juglans californica R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49613 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station. Comment
  UCD169750  Juglans californica R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49613 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station. High bank above San Juan Creek. 356 Comment
  UCSB47595  Juglans californica Roberts, Fred 1980-4-5 Orange Highway 74; San Juan Canyon; 0.4km sw Lower San Juan Picnic Ground; Santa Ana Mountains 390 Comment
  RSA560846  Juncus bufonius Steve Boyd, Timothy S. Ross 1992-5-4 7177 -A Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 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
  RSA788970  Juncus macrophyllus Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49575 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCD169360  Juncus macrophyllus A. C. Sanders; Fred M. Roberts, Michelle Balk 2006-7-20 33045 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line. 366 Comment
  UCR158851  Juncus macrophyllus A. C. Sanders, Mark A. Elvin 2005-9-2 31604 Orange Peninsular Range; Santa Ana Mtns., mouth of Lion Canyon near Lower San Juan Picnic Area, San Juan Creek Canyon 427 Comment
  UCR174228  Juncus macrophyllus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33045 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA562485  Juncus mexicanus Steve Boyd, Timothy S. Ross 1992-5-5 7251 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  RSA715247  Juncus rugulosus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33025 Orange San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 366 Comment
  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
  SD212409  Juncus rugulosus Andrew C. Sanders, Fred M. Roberts, et al 2006-7-20 33025 Orange Santa Ana Mountains: San Juan Canyon, from Lower San Juan Picnic Area to circa 1 mile downstream, parallel to Highway 74 and near Riverside County line 366 Comment
  UCR174221  Juncus rugulosus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33025 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
  RSA788802  Juncus textilis Robert F. Thorne 1977-11-21 49984 -a Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp Comment
  UCR174211  Juncus xiphioides A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33046 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA293253  Keckiella antirrhinoides D. C. Michener 1980-6-5 3668 Orange San Juan River valley. 300 Comment
  UCR47794  Keckiella antirrhinoides subsp. antirrhinoides D. C. Michener 1980-6-5 3668 Orange Peninsular Range; Santa Ana Mtns., San Juan river valley, on terrace near abandoned mine(s) Comment
  NY786524  Keckiella antirrhinoides var. antirrhinoides D. C. Michener 1980-6-5 3668 Orange Santa Ana Mountains. San Juan river valley, on terrace near abandoned mine(s). Comment
  NY786525  Keckiella antirrhinoides var. antirrhinoides D. C. Michener 1980-6-5 3668 Orange Santa Ana Mountains. San Juan river valley, on terrace near abandoned mine(s). Comment
  CAS-BOT-BC235772  Keckiella cordifolia G. K. Helmkamp; E. A. Helmkamp 1998-8-17 4444 Riverside Santa Ana Mtns.: San Juan Cyn along the Ortega Hwy (Ca-74) beside the Orange Co. line 503 Comment
  LA209275  Keckiella cordifolia Norman C. Cooper; 1944-6-4 1340 Orange San Juan Canyon 304 Comment
  NY790209  Keckiella cordifolia D. C. Michener 1980-7-14 3704 Orange Santa Ana Mountains. Starr Ranch Audubon Sanctuary. Crow Creek, ca. 1.3 miles north of confluence with Bell Canyon. Comment
  NY790210  Keckiella cordifolia D. C. Michener 1980-7-14 3704 Orange Santa Ana Mountains. Starr Ranch Audubon Sanctuary. Crow Creek, ca. 1.3 miles north of confluence with Bell Canyon. Comment
  RSA293304  Keckiella cordifolia D. C. Michener 1980-5-15 3662 Orange San Juan River drainage. Northwest facing slope in chaparral along unnamed creek in sect 34-35 (Sitton Peak Quadrangle). 500 Comment
  RSA34536  Keckiella cordifolia N. C. Cooper 1944-6-4 1340 Orange San Juan Canyon. 305 Comment
  RSA401708A  Keckiella cordifolia N. C. Cooper 1949-5-1 3938 Orange San Juan Canyon 762 Comment
  RSA562763  Keckiella cordifolia Steve D. Boyd, Tim S. Ross 1992-5-19 7416 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon. 366 Comment
  RSA659899  Keckiella cordifolia Karl Price 1988-5-21 40 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
  RSA791873  Keckiella cordifolia Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49620 Orange Santa Ana Mountains: about 1 mile above San Juan Fire Station Comment
  SBBG47452  Keckiella cordifolia N. C. Cooper 1944-6-4 1340 Orange San Juan Cyn 304 Comment
  SD152747  Keckiella cordifolia Steve Boyd, Tim Ross 1992-5-19 7416 Orange San Mateo Canyon Wilderness, western edge along Lucas Canyon Trail, from access road to Rancho Carillo (7S06) north into Aliso Canyon 366 Comment
  SEINET10499891  Keckiella cordifolia James S. Miller 1992-5-8 Miller 7452 Orange 2 mi E of the border of Cleveland National on California route 74. 310 Comment
  UCR107283  Keckiella cordifolia George K. Helmkamp, E. A. Helmkamp 1998-8-17 4444 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 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
  RSA560845  Koeleria macrantha Steve Boyd, Timothy S. Ross 1992-5-4 7177 -B Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SD152990  Koeleria macrantha Steve Boyd, Tim Ross 1992-5-4 7177 B Riverside San mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  RSA573433  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mtns, San Mateo Canyon wilderness area of Cleveland National Forest, Southwestern edge of the Oak flat area, 0.5 miles S of Serrano Spring. 732 Comment
  SD136907  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest; 0.5 miles south of Serrano Spring 730 Comment
  UC1605434  Lagophylla ramosissima Steve Boyd and Tim Ross 1994-9-14 8342 Riverside about 0.5 mi s Serrano Spring (sw edge of Oak Flats area); Southern Santa Ana Mountains, Cleveland NF, San Mateo Cany 731 Comment
  IRVC20365  Lasthenia californica Fred M. Roberts, D. A. Roberts 1983-3-22 933 Orange San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains 407 Comment
  IRVC21512  Lathyrus tingitanus T. W. Mulroy 1973-5-21 1866 Orange San Juan Canyon, Hwy 74, ca. 3.2km E San Juan Guard Station. Santa Ana Mountains 315 Comment
  UCSB12895  Lathyrus vestitus var. alefeldii 1962-3-9 Orange 12.2 miles east of San Juan Capistrano on State 74 243 Comment
Read comments Apr 10 2016
  UCR97637  Lathyrus vestitus var. vestitus George K. Helmkamp, E. A. Helmkamp 1997-4-24 1649 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
  UCSB47580  Lathyrus vestitus var. vestitus Roberts, Fred 1980-4-3 Orange San Juan Canyon, Hwy. 74, 0.4 km. NNE Lower San Juan Picnic Ground, Santa Ana Mtns. 420 Comment
  IRVC22071  Layia platyglossa Fred M. Roberts, D. A. Roberts 1983-3-22 934 Orange San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains 407 Comment
  CLARK-A1528-5691  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  CLARK-A1528-5692  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  IRVC1097  Lepidium nitidum A. S. Boughey 141 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  RSA429969  Lepidium nitidum Albert J. Perkins 1913-3-6 s.n. Orange Near San Juan Hot Springs, Orange County Comment
  RSA703698  Lepidium virginicum var. robinsonii Fred M. Roberts, Arthur Davenport 2004-2-20 6025 Orange Santa Ana Mtns.: San Juan Canyon, SR 74, south side of road, 0.62 km SW San Lower San Juan Picnic Ground; 1.89 km WNW Sitton Peak. 390 Comment
  RSA789590  Leptochloa fusca subsp. fascicularis R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49632 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  VVC381  Leptodactylon californicum P. J. MacKay 1990-5-25 xn Orange Peninsular Range, Hwy 74 near San Juan Hot Springs 198 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
  RSA12929  Leptosiphon androsaceus C. B. Wolf 1935-4-7 6319 Orange Mouth of San Juan Hot Springs Canon, at san juan Hot Springs 213 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
  RSA788816  Leptosiphon floribundus R. F. Thorne 1977-11-21 49985 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp Comment
  CAS-BOT-BC227028  Leptosiphon floribundus subsp. floribundus Carl B. Wolf 1936-6-17 7951 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. Line 365 Comment
  UCR239650  Leptosiphon floribundus subsp. floribundus Fred M. Roberts, Kay Stewart, Pamela Pallete, Bob Greenberg 2012-5-6 7549 Orange Santa Ana Mountains, Hot Springs Canyon, along San Juan Trail, 1.1 km north-northeast of San Juan Fire Station 351 Comment
  RSA33575  Linanthus californicus N. C. Cooper 1944-6-4 1358 Orange San Juan Canyon. 610 Comment
  RSA468464  Linanthus californicus M. B. Dunkle 1933-3-5 3077 Orange San Juan Canyon. Comment
  SD114196  Linanthus californicus Darley F. Howe 1946-6-3 1413 Orange Santa Ana Mountains. Comment
  SD42979  Linanthus californicus E. B. Harbison Mar 1948 Orange San Juan Camp. Comment
Read comments Sep 30 2013
  SD42980  Linanthus californicus E. B. Harbison Mar 1948 Orange Near San Juan Camp. Comment
Read comments Sep 30 2013
  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
  RSA698395  Linanthus dianthiflorus L. C. Hull 1934-3-11 s.n. Orange Ortega Highway. Comment
  RSA560843  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1992-5-4 7179 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UC718524  Linanthus floribundus subsp. floribundus Carl B. Wolf 1936-6-17 Riverside 0.5 mi e Orange County line (along Ortega Highway, San Juan Canyon); Santa Ana Mts., San Juan Canyon 365 Comment
  UC564024  Linanthus parviflorus L. R. Abrams 1935-4-7 13681 Orange San Juan Hot Springs Mouth of San Juan Canyon Comment
  UC718484  Linanthus parviflorus C. B. Wolf 1935-4-7 Orange San Juan Hot Springs Santa Ana Mts., Mouth of San Juan Hot Springs Canyon 213 Comment
  RSA705852  Linaria canadensis Steve D. Boyd, Darin Banks 1994-4-5 8260 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UCR89453  Linaria canadensis Steve Boyd, D. L. Banks 1994-4-5 8260 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero 762 Comment
  CAS-BOT-BC432275  Lithophragma affine Alice Eastwood; John Thomas Howell 1937-4-24 3927 Orange 2 miles E of San Juan Hot Springs Comment
  SFV17364  Lithophragma affine J. N. Hogue, J. D. Dilley, D. L. Bishop 1998-4-9 104 .3 Orange Santa Ana Mountains San Juan Canyon, 0.5 miles southwest of Lower San Juan Picnic Area at highway marker 14. 366 Comment
  RSA468251  Lithophragma affine subsp. affine Albert J. Perkins 1913-3-6 s.n. Orange Near San Juan Hot Springs. Comment
  UCSB15005  Lithophragma heterophyllum Breedlove, Dennis 1962-3-9 Orange 14.3 miles east of San Juan Capistrano on State 74 335 Comment
  UCR97884  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 1997-4-24 1648 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 1.6 mi. SE of Ortega Hwy (Calif. Hwy 74) on Rd. 7-S14 549 Comment
  RSA562804  Lomatium lucidum Steve Boyd, Timothy S. Ross 1992-5-20 7476 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
  SD152968  Lomatium lucidum Steve Boyd, Tim Ross 1992-5-20 7476 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 rodgrade to upper homestead. 349 Comment
  UC1608271  Lomatium lucidum Steve Boyd and Tim Ross 1992-5-20 7476 Orange w. edge San Mateo Canyon Wilderness Area (in Lucas Canyon along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building)); s. Santa Ana Mts., , Lucas C 350 Comment
  UCR160325  Lomatium lucidum Steve Boyd, Orlando Mistretta 1992-4-22 7004 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  SD152891  Lonicera subspicata Steve Boyd, Tim Ross 1992-5-5 7230 Riverside Southern Santa Ana Mountains, eastern portions of Oak Flats along the Bluewater Trail. 730 Comment
  SEINET10465145  Lonicera subspicata James S. Miller 1992-5-8 Miller 7451 Orange 2 mi E of the border of Cleveland National on California route 74. 310 Comment
  UCR174025  Lonicera subspicata A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33052 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
  RSA455383  Lonicera subspicata var. denudata N. C. Cooper 1944-6-4 1338 Orange San Juan Canyon. 305 Comment
  RSA562459  Lonicera subspicata var. denudata Steve Boyd, Timothy S. Ross 1992-5-5 7230 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA648192  Lonicera subspicata var. denudata Karl Price 1988-5-7 31 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
  UC1608260  Lonicera subspicata var. denudata Steve Boyd, Tim Ross 1992-5-5 7230 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 731 Comment
  UCSB47997  Lonicera subspicata var. denudata Roberts, Jr., Fred 1980-7-7 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 2.4 km. ENE San Juan Guard Station; 0.3 km. W bench mark 1100 345 Comment
  RSA788249  Lonicera subspicata var. johnstonii R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49625 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station Comment
  RSA406162  Lotus hamatus M. B. Dunkle 1934-6-18 3987 Orange San Juan Canyon; Southern Coastal 305 Comment
  RSA788967  Lotus heermannii Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49578 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UC1280313  Lotus heermannii John M. Tucker 1941-5-30 261 Orange 2-3 mi e w boundary of Cleveland National Forest (Ortega Highway) 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
  UCR101802  Lotus heermannii var. heermannii George K. Helmkamp, E. A. Helmkamp 1998-8-17 4442 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  RSA562480  Lotus micranthus Steve Boyd, T. S. Ross 1992-5-5 7256 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UCR79482  Lotus micranthus Steve Boyd, T. S. Ross 1992-5-5 7256 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails 762 Comment
  RSA788959  Lotus purshianus Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49588 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCR174218  Lotus purshianus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33042 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA748819  Lotus scoparius var. scoparius G. Gust, L. Nye 2005-3-12 564 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  SEINET10890813  Lotus scoparius var. scoparius Greg Gust, Leith Nye 2005-3-12 Gust 564 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  RSA406321  Lotus strigosus M. B. Dunkle 1933-3-5 3087 Orange San Juan Canyon 304 Comment
  RSA571289  Lotus strigosus Steve Boyd, Darin Banks 1994-4-5 8269 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. Comment
  RSA571312  Lotus strigosus Steve Boyd, Darin Banks 1994-4-5 8261 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. Comment
  UCR168249  Lotus strigosus M. B. Dunkle 1933-3-5 3087 Orange Southern Coast, San Juan Canyon 305 Comment
  IRVC2221  Lotus strigosus var. strigosus A. S. Boughey 147 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  RSA542578  Lotus strigosus var. strigosus Fred M. Roberts 1988-3-15 3846 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  RSA542579  Lotus strigosus var. strigosus Fred M. Roberts 1988-3-15 3847 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  RSA406435  Lotus unifoliolatus M. B. Dunkle 1934-6-18 3988 Orange San Juan Canyon; Southern Coastal 305 Comment
  RSA406436  Lotus unifoliolatus N. C. Cooper 1944-6-4 1335 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA562727  Lotus unifoliolatus Steve Boyd, T. S. Ross 1992-5-20 7463 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon along canyon floor from crossing Lucas Canyon Trail, upstream 1/4 mile to spur trail leading to old mining habitations in side canyon. 305 Comment
  RSA406363  Lotus wrangelianus M. B. Dunkle 1933-3-5 3086 Orange San Juan Canyon 304 Comment
  RSA562813  Lotus wrangelianus Steve Boyd, T. S. Ross 1992-5-20 7485 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon at the Lucas Canyon Trail crossing. 320 Comment
  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
  UCR79259  Lupinus agardhianus Steve Boyd, Orlando Mistretta 1992-4-22 7018 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA698718  Lupinus albifrons L. C. Hull 1934-3-11 s.n. Orange Ortega Highway. Comment
  SD152851  Lupinus bicolor Steve Boyd, Tim Ross 1992-5-5 7227 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern Portions of Oak Flats along the Bluewater Trail 730 Comment
  SD152852  Lupinus bicolor Steve Boyd, Tim Ross 1992-5-5 7229 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along the Bluewater Trail, grassland at edge of oak woodland 730 Comment
  UCR97639  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-4-24 1654 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
  RSA562462  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1992-5-5 7229 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA34611  Lupinus bicolor subsp. microphyllus N. C. Cooper 1944-6-4 1334 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA542580  Lupinus bicolor subsp. microphyllus Fred M. Roberts 1988-3-15 3849 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  RSA562460  Lupinus bicolor subsp. microphyllus Steve D. Boyd, Tim S. Ross 1992-5-5 7227 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA562496  Lupinus bicolor subsp. microphyllus Steve D. Boyd 1992-5-5 7240 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SD152849  Lupinus concinnus Steve Boyd, Tim Ross 1992-5-4 7198 Riverside San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  RSA561012  Lupinus concinnus subsp. concinnus Steve D. Boyd, Tim S. Ross 1992-5-4 7198 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 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
  IRVC24802  Lupinus excubitus var. hallii Fred M. Roberts, Gordon Marsh 1986-5-16 2908 Orange Ridge above San Juan Canyon, Sitton Peak Truck Trail, 4.0km W Sitton Peak, Santa Ana Mountains 670 Comment
  RSA28730  Lupinus excubitus var. hallii R. S. Woglum 1938-5-8 1619 Orange Ortega Hwy, Santa Ana Mts Comment
  RSA503878  Lupinus excubitus var. hallii N. C. Cooper 1949-5-1 3942 Orange San Juan Canyon 610 Comment
  RSA605683  Lupinus excubitus var. hallii R. S. Woglum 1938-5-8 1619 Orange Peninsular Ranges: Capistrano to Elsinore; Santa Ana Mountains. [Orange / Riverside counties] Comment
  RSA798188  Lupinus excubitus var. hallii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49597 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station Comment
  IRVC2323  Lupinus hirsutissimus A. S. Boughey 1965-6-15 155 Orange Ortega highway; ca. 1.0 mile E of San Juan Guard Station. Santa Ana Mountains Comment
  RSA413701  Lupinus hirsutissimus M. B. Dunkle 1933-3-5 3081 Orange San Juan Canyon. Comment
  RSA571316  Lupinus hirsutissimus Steve Boyd 1994-4-5 8265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  RSA704029  Lupinus hirsutissimus L. C. Hull 1934-3-11 s.n. Orange Ortega Highway. Comment
  POM312150  Lupinus latifolius subsp. longipes N. C. Cooper 1944-6-4 1336 Orange San Juan Canyon. 549 Comment
  RSA413751  Lupinus latifolius subsp. parishii N. C. Cooper 1944-6-4 1336 Orange San Juan Canyon. 549 Comment
  RSA413752  Lupinus latifolius subsp. parishii N. C. Cooper 1949-5-1 3949 Orange San Juan Canyon 610 Comment
  IRVC22852  Lupinus latifolius var. parishii Fred M. Roberts 1985-6-7 1884 Orange Viejo Canyon, 0.5km N Hwy. 74, 2.5km W Lower San Juan Picnic Ground. santa Ana Mountains 327 Comment
  LA205140  Lupinus latifolius var. parishii Norman C. Cooper; 1944-6-4 1336 Orange San Juan Canyon 548 Comment
  IRVC14759  Lupinus longifolius A. S. Boughey 1965-6-15 152 Orange Ortega highway; ca. 1.0 mile E of San Juan Guard Station. Santa Ana Mountains Comment
  RSA542382  Lupinus longifolius Fred M. Roberts, T. Sholars, B. Stechmeyer 1988-3-29 3878 Orange Santa Ana Mountains: Hot Springs Canyon, 0.5 km by road north Hwy 74, 0.9 km ESE Juan Rancho Survey Marker. 223 Comment
  RSA414282  Lupinus sparsiflorus subsp. sparsiflorus M. B. Dunkle 1933-3-5 3090 Orange San Juan Canyon. Comment
  RSA542384  Lupinus sparsiflorus subsp. sparsiflorus Fred M. Roberts 1988-3-15 3850 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  IRVC2357  Lupinus truncatus A. S. Boughey 1965-6-15 149 Orange Ortega highway; ca. 1.0 mile E of San Juan Guard Station. Santa Ana Mountains Comment
  RSA414394  Lupinus truncatus M. B. Dunkle 1933-3-5 3080 Orange San Juan Canyon. Comment
  UCR98121  Lupinus truncatus George K. Helmkamp, E. A. Helmkamp 1997-4-24 1653 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 1.6 mi. SE of Ortega Hwy (Calif. Hwy 74) on Rd. 7-S14 549 Comment
  RSA0014850  Lythrum californicum Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6109 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, ca. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  UCD169742  Lythrum californicum R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49631 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs. 205 Comment
  UCR101804  Lythrum californicum George K. Helmkamp, E. A. Helmkamp 1998-8-17 4441 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR174180  Lythrum californicum A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33035 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
  UCSB47995  Lythrum californicum Roberts, Fred 1980-7-7 Orange Santa Ana Mtns; San Juan Canyon, Hwy 74, 2.4km ENE San Juan Guard Station; 0.3km W Bench Mark 1100 315 Comment
  RSA788960  Lythrum hyssopifolia Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49587 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  UCR174024  Lythrum hyssopifolia A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33047 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
  RSA561015  Madia exigua Steve Boyd, Timothy S. Ross 1992-5-4 7195 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA562476  Madia exigua Steve Boyd, Timothy S. Ross 1992-5-5 7260 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  RSA559457  Madia gracilis Steve Boyd, Timothy S. Ross 1992-5-4 7210 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero 732 Comment
  RSA562441  Madia gracilis Steve Boyd, Timothy S. Ross 1992-5-6 7263 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flat area, near Lucas Canyon Trail 762 Comment
  UCR79471  Madia gracilis Steve Boyd, T. S. Ross 1992-5-6 7263 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. Oak Flats area, near Lucas Canyon Trail 762 Comment
  CLARK-A1528-3232  Malacothamnus densiflorus John C. Roos 1960-6-5 San Bernardino Santa Ana Mountains 1066 Comment
Read comments Dec 27 2017
  CLARK-A1528-5698  Malacothamnus densiflorus John C. Roos 1960-6-5 Riverside Santa Ana Mountains 1066 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
  IRVC22734  Malacothrix saxatilis var. tenuifolia Fred M. Roberts 1985-5-13 1787 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  LA62900  Malosma laurina W. E. Pequegnat; 1937-9-6 sn Orange Santa Ana Mountains, Ortega Rd Comment
  LA62901  Malosma laurina W. E. Pequegnat; 1937-9-6 sn Orange Santa Ana Mountains, Ortega Rd Comment
  UCD116863  Malosma laurina Sue A. Thompson; John E. Rawlins 1988-8-27 5257 Orange Cleveland National Forest: 3.8 mi E of San Juan Hot Springs on CA 74. 370 Comment
  RSA441214  Marah macrocarpa M. B. Dunkle 1933-3-5 3092 Orange San Juan Canyon. Comment
  SD136816  Marrubium vulgare Steve Boyd, Tim Ross 1992-5-6 7265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Verdugo Potrero, near the Verdugo Trailhead. 730 Comment
  UCSB56677  Matthiola incana Roberts, Jr., Fred 1984-2-4 Orange South Laguna; Aliso Canyon near mouth, 0.7 km. WNW Aliso Peak 15 Comment
  RSA12927  Meconella denticulata Carl B. Wolf 1935-4-7 6317 Orange San Juan Canyon, Ortega Hwy, 2 miles east Orange County. 762 Comment
  RSA594896  Meconella denticulata Fred M. Roberts, Sandy Leatherman, B. Leatherman 1994-4-24 4909 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  RSA771516  Meconella oregana var. denticulata Keith E. Hoffmaster 1935-5-5 628 Orange San Juan Canyon., Santa Ana Mts. Comment
  RSA542366  Melica frutescens Fred M. Roberts 1988-3-15 3859 Orange Rancho Mission Viejo; Verdugo Canyon, 1.3 km SSW Lucan Survey Marker 201 Comment
  UCSB47583  Melica imperfecta Roberts, Fred 1980-4-3 Orange Highway 74; 0.2 km. SW of Orange-Riverside Co. line; 0.4 km. NNE Lower San Juan Picnic Ground, San Juan Cyn., Santa Ana Mountains 420 Comment
  RSA798096  Melilotus albus Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49585 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCR173932  Melilotus albus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33004 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
  RSA708735  Mentha aquatica Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6120 Orange Caspers Wilderness Park, Hot Springs Creek in San Juan Cyn., c.a. 0.36km SSW San Juan Ranger Station, at SR 74 crossing. 197 Comment
  RSA446776  Mentzelia micrantha M. B. Dunkle 1934-6-18 3975 Riverside Upper San Juan Canyon. Comment
  RSA594800  Mentzelia micrantha Fred M. Roberts, Sandy Leatherman, B. Leatherman 1994-4-24 4921 Orange Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1 kilometers NNW San Juan Survey Mark. 268 Comment
  RSA560833  Micropus californicus Steve Boyd, Timothy S. Ross 1992-5-4 7190 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SD152926  Micropus californicus Steve Boyd, Tim Ross 1992-5-4 7190 Riverside Southern Santa Ana Mountains, Oak Flats area east of Verdugo Potrero. 730 Comment
  RSA542589  Microseris lindleyi Fred M. Roberts 1988-3-15 3860 Orange Rancho Mission Viejo; Verdugo Canyon, 1.3 km SSW Lucan Survey Marker 201 Comment
  RSA68354  Microseris lindleyi G. R. Campbell 1951-5-30 16102 Orange San Juan Canyon, Ortega Hwy, 4 mi. inside west border of Cleveland National Forest. 152 Comment
  UC1577076  Mimulus A. Lewis May 1934 407 Orange San Juan Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  RSA649084  Mimulus aurantiacus subsp. australis Karl Price 1988-4-29 20 Orange An unnamed side canyon within Hot Springs Canyon. It is on Hot Springs Canyon Rd., 0.75 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 305 Comment
  LA209118  Mimulus aurantiacus var. pubescens Norman C. Cooper; 1944-6-4 1341 Orange San Juan Canyon 304 Comment
  RSA442700  Mimulus aurantiacus var. pubescens Albert J. Perkins s.n. Orange San Juan Hot Springs Comment
  RSA67767  Mimulus aurantiacus var. pubescens G. R. Campbell 1951-5-30 16080 Orange San Juan Canyon, Ortega Hwy, 4 mi. inside west border of Cleveland National Forest 152 Comment
  UCSB47965  Mimulus aurantiacus var. pubescens Roberts, Fred 1980-4-3 Orange San Juan Canyon; HWY 74; 0.4km NNE Lower San Juan Picnic Ground; Santa Ana Mountains 420 Comment
  UCSB48103  Mimulus aurantiacus var. pubescens Roberts, Fred; Fritzke, Sue 1982-4-3 Orange Santa Ana Mnts; Lower Hot Springs Canyon; Lazy W Road; 2.4km N by road of San Juan Guard Station; 1.4km NNW Juan Rancho Survey Mark 240 Comment
  UCSB48356  Mimulus aurantiacus var. pubescens Roberts, Fred 1982-4-18 Orange Santa Ana Mtns; San Juan Canyon; Hwy 74; 0.6km SW Lower San Juan Picnic Ground; 1.9km WNW Sitton Peak 420 Comment
  JEPS15209  Mimulus aurantiacus var. puniceus A. Lewis May 1934 409 Riverside San Juan Canyon Cleveland National Forest, Corona Quadrangle Comment
  RSA298665  Mimulus aurantiacus var. puniceus D. C. Michener 1980-5-15 3661 Orange San Juan River drainage. Northwest facing slope in chaparral along unnamed creek. 500 Comment
  RSA33814  Mimulus aurantiacus var. puniceus N. C. Cooper 1944-6-4 1341 Orange San Juan Canyon. 305 Comment
  RSA448179  Mimulus aurantiacus var. puniceus N. C. Cooper 1944-6-4 1341 Orange San Juan Canyon. 305 Comment
  RSA454329  Mimulus aurantiacus var. puniceus N. C. Cooper 1949-5-1 3946 Orange San Juan Canyon. 610 Comment
  RSA503159  Mimulus aurantiacus var. puniceus Gary D. Wallace, G. Cromwell 1966-4-16 455 Orange W edge of Cleveland Nat. For. about 5 mi. E of San Juan Capistrano, in the Santa Ana Mountains, in Hot Springs Canyon. Comment
  RSA559464  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross 1992-5-5 7213 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UC1063445  Mimulus aurantiacus var. puniceus R. St. John 1931-4-14 205 Orange Hot Springs, San Juan Canyon Elsinore Quadrangle 365 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
  RSA648197  Mimulus brevipes Karl Price 1988-5-21 54 Orange An unnamed side canyon within Hot Springs Canyon. It is on Hot Springs Canyon Rd., 0.75 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 305 Comment
  RSA726130  Mimulus cardinalis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33017 Orange Peninsular Range; Santa Ana Mtns.: San Juan Canyon, from Lower San Juan Picnic Area to ca. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 366 Comment
  UCR101801  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 1998-8-17 4443 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR174193  Mimulus cardinalis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33017 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 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
  UCSB47991  Mimulus floribundus Roberts, Fred 1980-7-7 Orange Santa Ana Mtns; San Juan Cyn; Hwy 74; 2.3km ENE San Juan Guard Station; 0.4km W Bench Mark 1100 315 Comment
  RSA447957  Mimulus guttatus M. B. Dunkle 1934-6-18 3948 Orange San Juan Canyon. 305 Comment
Read comments Jun 14 2012
  UCR16027  Mimulus guttatus Steve Kulju 1974-5-27 s.n. Orange Peninsular Range; Santa Ana Mtns, San Juan Canyon, 16 mi SW of Lake Elsinore on State Hwy 74 488 Comment
  UCR174021  Mimulus guttatus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33012 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
  UCSB47989  Mimulus guttatus Roberts, Fred 1980-7-7 Orange Santa Ana Mtns; San Juan Cyn; Hwy 74; 2.3km ENE San Juan Guard Station; 0.4km W Bench Mark 1100 315 Comment
  IRVC28636  Mimulus pilosus Mark A. Elvin 2005-9-2 4491 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
  UCR158806  Mimulus pilosus A. C. Sanders, Mark A. Elvin 2005-9-2 31602 Orange Peninsular Range; Santa Ana Mtns., mouth of Lion Canyon near Lower San Juan Picnic Area, San Juan Creek Canyon 427 Comment
  UCR175448  Mimulus pilosus Mark A. Elvin 2005-9-2 4491 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
  SFV17360  Mirabilis laevis J. N. Hogue, J. D. Dilley, D. L. Bishop 1998-4-9 103 .2 Orange Santa Ana Mountains San Juan Canyon at San Juan Hot Springs. Just inside western boundary of Cleveland National Forest. 213 Comment
  RSA465231  Mirabilis laevis var. crassifolia M. B. Dunkle 1933-3-5 3078 Orange San Juan Canyon 305 Comment
  RSA465232  Mirabilis laevis var. crassifolia N. C. Cooper 1949-5-1 3936 Orange San Juan Canyon. 610 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
  IRVC22034  Monardella hypoleuca subsp. hypoleuca Fred M. Roberts 1983-9-26 1128 Orange Lion Canyon, Chiquito Basin Trail, 3.5km NNE Lower San Juan Picnic Ground; 4.2km SSE Los Pinos Peak, Santa Ana Mountains 815 Comment
Read comments Sep 18 2012
  CAS-BOT-BC221716  Monardella hypoleuca subsp. intermedia Rev. J. C. Nevin 1882-1-1 s.n. Los Angeles San Juan Hot Springs Comment
  SD136814  Monardella hypoleuca subsp. intermedia Steve Boyd, Tim Ross 1994-9-14 8352 Orange San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucas Canyon Trail crossing. 305 Comment
  IRVC20514  Monardella lanceolata Fred M. Roberts 1983-9-26 1121 Orange Lion Canyon, Chiquito Basin Trail, 3.3km NNE Lower San Juan Picnic Ground; 4.3km SSE Los Pinos Peak. Santa Ana Mountains 810 Comment
  CLARK-A1528-3179  Monardella macrantha subsp. hallii John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  RSA450862  Muhlenbergia asperifolia Gordon Marsh, Karlin G. Marsh 1977-11-21 s.n. Orange Santa Ana Mountains: San Juan Hot Springs. 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
  CAS-BOT-BC275289  Muhlenbergia microsperma Steve Boyd; Tim Ross 1992-5-19 7448 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of wilderness in Aliso Canyon at the confluence with Lucas Canyon, upstream to the Lucas Canyon Trail crossing 335 Comment
  RSA562732  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross 1992-5-19 7448 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon from crossing the creek by Lucas Canyon Trail, downstream to confluence with Aliso Canyon. 274 Comment
  UCSB52863  Muhlenbergia microsperma Marsh, G.; Marsh, K. 1981-5-24 Orange Lower Hot Springs Canyon, Lazy W camp, on K-9 trail; Santa Ana Mts Comment
  UCR101805  Muhlenbergia rigens George K. Helmkamp, E. A. Helmkamp 1998-8-17 4439 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCSB48199  Muhlenbergia rigens Roberts, Fred 1981-6-26 Orange Viejo Cyn., 0.4 km N Calif. Rte. 74; 2.7 km ENE San Juan Guard Station; Santa Ana Mts. 311 Comment
  RSA562482  Nassella pulchra Steve Boyd, Timothy S. Ross 1992-5-5 7254 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  RSA12926  Nemophila menziesii var. integrifolia Carl B. Wolf 1935-4-7 6316 Orange San Juan Canyon, Ortega Hwy, 2 miles east Orange County. 762 Comment
  UCR98133  Nemophila pedunculata George K. Helmkamp, E. A. Helmkamp 1997-4-24 1661 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 1.6 mi. SE of Ortega Hwy (Calif. Hwy 74) on Rd. 7-S14 549 Comment
  SEINET270112 Image available Neogaerrhinum strictum Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains Indian Portero Trail south from Verdugo Portero to Indian Portero on ridge between Talega 610 Comment
  RSA708532  Nerium oleander Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6107 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  LA45882  Nicotiana glauca W. E. Pequegnat; 1937-9-6 sn Orange Santa Ana Mountains, Ortega Rd Comment
  CHSC106530  Nolina cismontana Robt. Allen; Celia Kutcher 2007-5-19 Orange Peninsular Ranges; Santa Ana Mountains region: San Juan Trail, circa 3.4 air miles (5458 m) below (southwest of) trailhead at southern edge of Blue Jay Campground, circa 1.3 air miles (2121m) above (northeast of) trailhead at Hot Springs Canyon. UTM Zone 11S; 3719486N 454160E. 736 Comment
  RSA594807  Nolina cismontana Fred M. Roberts, Nowak 1995-4-19 4925 Orange Lower Hot Springs Canyon, San Juan Trail, 0.6 km NW Juan Rancho Survey Mark. 280 Comment
  RSA759249  Nolina cismontana Robt. Allen, Celia Kutcher 2007-5-19 s.n. Orange San Juan Trail, circa 3.4 air miles (5458m) below (southwest of) trailhead at southern edge of Blue Jay Campground, circa 1.3 air miles (2121m) above (northeast of) trailhead at Hot Springs Canyon. 736 Comment
  SD212676  Oenothera elata A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33010 Orange Santa Ana Mountains: San Juan Canyon, from Lower San Juan Picnic Area to circa 1 mile downstream, parallel to Highway 74 and near Riverside County line. 366 Comment
  UCR174215  Oenothera elata A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33010 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA359615  Oenothera elata subsp. hookeri L. Aberbom, Walter Wisura 1986-9-9 s.n. Orange Lower San Juan Picnic area, Ortega Hwy. Comment
Read comments Jun 8 2009
  RSA562721  Opuntia X occidentalis Steve Boyd, Timothy S. Ross 1992-5-19 7424 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon. 366 Comment
  RSA562722  Opuntia X occidentalis Steve Boyd, Timothy S. Ross 1992-5-19 7425 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon. 366 Comment
  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
  SD152895  Opuntia ficus-indica Steve Boyd, Tim Ross 1992-5-20 7465 Orange Southern Santa Ana Mtns, San Mateo Cyn Wilderness Area,western edge of wilderness in Lucas Cyn, along cyn floor from crossing of Lucas Cyn Trail,upstream Ao mile to spur trail leading to old mining habitations in side cyn.About old homesteads. (IPB 9/07) 305 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
  RSA561009  Opuntia littoralis Steve Boyd, Timothy S. Ross 1992-5-4 7201 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA560836  Orthocarpus purpurascens Steve D. Boyd, Tim S. Ross 1992-5-4 7186 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UC1608240  Osmadenia tenella Steve Boyd, Tim Ross 1992-5-4 7182 Riverside e of Verdugo Potrero; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar Comment
  UCSB48385  Oxalis californica Roberts, Fred 1982-4-18 Orange San Juan Canyon, Hwy 74, 0.6km SW Lower San Juan Picnic Ground; 1.9km WNW Sitton Peak, Santa Ana Mtns. 420 Comment
  RSA731798  Oxalis corniculata Fred M. Roberts, Sandy Leatherman 2007-11-9 6639 Orange Santa Ana Mtns.: San Juan Canyon, Lower San Juan Picnic Ground. 408 Comment
  SD136804  Oxalis corniculata Steve Boyd, Tim Ross 1992-5-5 7258 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wildeerness Area. Oak Flats along Serrano Spsring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 730 Comment
  UCR89487  Oxalis pes-caprae Steve Boyd, T. S. Ross 1994-3-22 8203 B Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon along San Juan Creek, near confluence with Hot Springs Canyon 229 Comment
  HSC88192  Paeonia brownii R. E. Nelson, T. Baumann, Kondratieff, T. Sargent 1988-1-12 5117 Orange San Juan Creek at the Lower San Juan Campground, Cleveland National Forest. 366 Comment
  CAS-BOT-BC121213  Paeonia californica C. B. Wolf 1936-6-17 7949 Orange Santa Ana Mtns, along Ortega Hwy, 6/10 mi. below San Juan Hot Springs. 182 Comment
  RSA17142  Paeonia californica Carl B. Wolf 1936-6-17 7949 Orange Santa Ana Mts., along Ortega Hwy, 6/10 mi below San Juan Hot Springs. 183 Comment
  RSA41793  Paeonia californica E. B. H. 1948-3-21 s.n. Orange Near San Juan Camp, Orange County. Comment
  RSA434261  Paeonia californica M. B. Dunkle 1933-3-5 3095 Orange San Juan Canyon, Comment
  RSA501314  Paeonia californica S. Zona, G. A. Allen, A. Liston, L. Rieseberg 1989-2-5 304 Orange San Juan Hot Springs along Ortega Hwy, alt 230m. 230 Comment
  RSA700032  Paeonia californica L. C. Hull 1934-3-11 s.n. Orange Ortega Highway Comment
  UC718282  Paeonia californica Carl B. Wolf 1936-6-17 7949 Orange along Ortega Hwy 0.6 mi below San Juan Hot Springs; Santa Ana Mts. 182 Comment
  UCSB52890  Panicum capillare Roberts, Fred 1984-10-18 Orange Santa Ana Mtns.: San Juan Canyon, 2.5 km. ENE San Juan Guard Station; 4.0 km. WNW Sitton Peak 310 Comment
  RSA445555  Papaver californicum Gale Sphon 1959-5-2 323 Orange Between Upper and Lower San Juan Camps, Cleveland National Forest Comment
  RSA594803  Papaver californicum Fred M. Roberts, Sandy Leatherman, B. Leatherman 1994-4-24 4920 Orange Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1 kilometers NNW San Juan Survey Mark. 268 Comment
  RSA594821  Papaver californicum Fred M. Roberts, Sandy Leatherman, B. Leatherman 1994-4-24 4915 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  RSA594891  Papaver californicum Fred M. Roberts, Sandy Leatherman, B. Leatherman 1994-4-24 4904 Orange Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1.2 kilometers SW Lower San Juan Picnic Ground. 390 Comment
  UCR174227  Paspalum dilatatum A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33031 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
  CAS-BOT-BC412827  Paspalum distichum R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49568 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  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
  RSA401951A  Pedicularis densiflora Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  RSA790703  Pedicularis densiflora L. C. Hull 1934-3-11 s.n. Orange Ortega Highway. Comment
  RSA739321  Pellaea andromedifolia Keith E. Hoffmaster 1935-5-5 33 Orange San Juan Canyon., Santa Ana Mts. Comment
  SEINET9628398 Image available Pellaea andromedifolia M. D. Windham 1985-7-9 711 Orange In the Santa Ana Mts. along small tributary of Hot Spring Canyon ca. 1.88 km NNE of its confluence with San Juan Creek. Cleveland N.F. Canada Gobernadora Quad (7 1/2 min.). 293 Comment
  IRVC3143  Pellaea andromedifolia var. andromedifolia A. S. Boughey 135 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  UCSB52421  Pellaea mucronata Roberts, Fred; Meyers, J. 1982-11-7 Orange Santa Ana Mtns.; Lion Canyon, Chiquito Basin Trail, 3.6 km. S Blue Jay Campground; 2.4 km. NNE lower San Juan Campground 800 Comment
  SD153020  Pellaea mucronata subsp. mucronata Steve Boyd, Tim Ross 1992-5-5 7220 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  IRVC20364  Pellaea mucronata var. mucronata Fred M. Roberts, D. A. Roberts 1983-3-22 935 Orange San Juan Canyon, above Hwy 74, 2.7km ENE San Juan Guard Sta.; 3.6km SSW Sugar Loaf Pk., Santa Ana Mountains 407 Comment
  IRVC3151  Pellaea mucronata var. mucronata A. S. Boughey 144 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  RSA559448  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross 1992-5-5 7220 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA33780  Penstemon centranthifolius N. C. Cooper 1944-6-4 1351 Orange San Juan Canyon, lower camp ground. 457 Comment
  VVC489  Penstemon cordifolius P. J. MacKay 1990-5-25 s.n. Orange Peninsular Range, Hwy 74 near San Juan Hot Springs 198 Comment
  RSA407934  Penstemon heterophyllus N. C. Cooper 1944-6-4 1337 Orange San Juan Canyon. 305 Comment
  RSA797600  Penstemon heterophyllus subsp. australis Robert F. Thorne 1977-11-21 49997 Orange Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station Comment
  UCR79244  Penstemon heterophyllus subsp. australis Steve Boyd, T. S. Ross 1992-5-20 7472 Orange Southern Santa Ana Mtns, 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 buildings) 457 Comment
  NY601651  Penstemon heterophyllus var. australis S. D. Boyd 1992-5-4 7184 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 731.5 Comment
  RSA407932  Penstemon heterophyllus var. australis N. C. Cooper 1949-5-1 3939 Orange San Juan Canyon. 610 Comment
  RSA407935  Penstemon heterophyllus var. australis N. C. Cooper 1944-6-4 1337 Orange San Juan Canyon. 305 Comment
  RSA560838  Penstemon heterophyllus var. australis Steve D. Boyd, Tim S. Ross 1992-5-4 7184 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA562819  Penstemon heterophyllus var. australis Steve D. Boyd, Tim S. Ross 1992-5-20 7472 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
  UC1608268  Penstemon heterophyllus var. australis Steve Boyd and Tim Ross 1992-5-20 7472 Orange western edge of the wilderness in Lucas Canyon (San Mateo Canyon Wilderness, along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel bldg)); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 350 Comment
  UCR97636  Penstemon heterophyllus var. heterophyllus George K. Helmkamp, E. A. Helmkamp 1997-4-24 1647 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
  RSA542377  Penstemon spectabilis Fred M. Roberts 1988-3-15 3856 Orange Rancho Mission Viejo: Verdugo Canyon, 0.8 km SE Lucas Survey Mark. 247 Comment
  RSA687368  Pentagramma triangularis subsp. triangularis Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  RSA687405  Pentagramma triangularis subsp. triangularis Norman C. Cooper 1949-5-1 3951 Orange San Juan Canyon 610 Comment
  VVC263  Phacelia brachyloba P. J. MacKay 1990-5-25 s.n. Orange Peninsular Range, Hwy 74 near San Juan Hot Springs 198 Comment
  UC1280311  Phacelia cicutaria var. hispida John M. Tucker 1941-5-30 257 Orange roadside on Ortega Hwy 2-3 mi e western boundary of National Forest; Cleveland National Forest Comment
  RSA12930  Phacelia distans Carl B. Wolf 1935-4-7 6320 Orange Mouth of San Juan Hot Springs Canon, at san juan Hot Springs 213 Comment
  UC718113  Phacelia distans C. B. Wolf 1935-4-7 6320 Orange San Juan Hot Springs Santa Ana Mts., San Juan Hot Springs Canyon (at mouth of canyon) 213 Comment
  RSA542474  Phacelia minor Fred M. Roberts 1988-3-15 3851 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark. 149 Comment
  RSA571313  Phacelia minor Steve Boyd, D. L. Banks 1994-4-5 8262222 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
Read comments Feb 17 2013
  RSA648195  Phacelia minor Karl Price 1988-5-7 38 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
  RSA699573  Phacelia parryi Kenneth Beard 1934-04 s.n. Riverside Hills along Ortega Highway, south of San Juan Hot Springs Comment
Read comments Oct 31 2011
  UCSB48216  Phacelia ramosissima Roberts, Dar; Roberts, Jr., Fred 1983-5-3 Orange Santa Ana Mtns.; Hot Springs Canyon, 0.5 km. by road N of Cal. Rte. 74 (San Juan Guard Sta.) 238 Comment
  RSA562749  Phacelia ramosissima var. latifolia Steve Boyd 1992-5-19 7445 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon from crossing the creek by Lucas Canyon Trail, downstream to confluence with Aliso Canyon. 274 Comment
  SD152824  Phacelia ramosissima var. latifolia Steve Boyd, Tim Ross 1992-5-19 7445 Orange Southern Santa Ana Mts,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. North side of conical knob at confluence with Aliso Canyon. 274 Comment
  UCR124020  Phacelia ramosissima var. ramosissima George K. Helmkamp, E. A. Helmkamp 2001-6-20 6811 Orange Peninsular Range; Santa Ana Mtns., Ortega Highway, 1.6 mi north of Lucas Cyn Rd., near Cleveland National Forest 213 Comment
  CAS-BOT-BC134013  Phacelia tanacetifolia L. R. Abrams 1935-4-7 13682 Orange Mouth of San Juan Canon, San Juan Hot Springs Comment
  SD152983  Phalaris aquatica Steve Boyd, Tim Ross 1992-5-19 7450 Orange San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon at the Lucas Canyon Trail crossing 320 Comment
  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
  RSA708721  Phoenix dactylifera Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6115 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  UCSB48112  Pholistoma auritum Roberts, Fred 1981-4-12 Orange Santa Ana Mtns.; San Juan Canyon, Hwy. 74, 1.3 km. by road E San Juan Guard Station; 0.9 km. SE Juan Rancho Survey Marker 295 Comment
  SD136735  Phoradendron leucarpum subsp. tomentosum Steve Boyd 1992-5-5 7212 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  RSA559455  Phoradendron villosum Steve D. Boyd, Tim S. Ross 1992-5-5 7212 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA600564  Phoradendron villosum Louis C. Wheeler 1962-7-27 8176 Riverside Santa Ana Mountains. Headwaters of San Juan Creek. Comment
  UC1129859  Pickeringia montana var. montana R. St. John 1931-2-27 189 Riverside Sitton Peak Elsinore Quadrangle 991 Comment
Read comments Nov 27 2011
  UC1129884  Pickeringia montana var. tomentosa R. St. John 1931-2-27 190 Riverside Sitton Peak Elsinore Quadrangle 991 Comment
Read comments Nov 27 2011
  RSA562823  Pinus Steve Boyd, T. S. Ross 1992-5-20 7467 A Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon along canyon floor from crossing Lucas Canyon Trail., Upstream 1/4 mile to spur trail leading to old mining habitations in side canyon. 305 Comment
  RSA562814  Pinus canariensis Steve Boyd, Tim Ross 1992-5-20 7467 B Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon along canyon floor from crossing Lucas Canyon Trail., Upstream 1/4 mile to spur trail leading to old mining habitations in side canyon. 305 Comment
Read comments Feb 4 2016
  MACF029432  Pinus coulteri Robert L. Allen; Heather E. Wendel; Xanic J. Rondon; Laurie A. Clarke 2001-7-13 12242 Orange Santa Ana Range, San Juan Canyon, 3.7 road miles E of San Juan Guard Station following Ortega Hwy SR74. Lower San Juan Picnic Area, SW of region of main picnic area 443.7 Comment
  UCR174182  Pinus coulteri A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33036 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  CAS-BOT-BC136555  Piperia cooperi Alice Eastwood; John Thomas Howell 1937-4-24 3924 Orange Field redacted by CAS, contact the data manager for more information Comment
  LA24977  Piperia cooperi M. Zaitlin; 1951-5-12 sn Riverside San Juan Canyon, Hwy 74 914 Comment
  RSA131978  Piperia cooperi Gale Sphon 1959-5-2 324 Orange Between Upper and Lower San Juan Camps, Cleveland National Forest. Comment
  RSA562457  Piperia cooperi Steve Boyd, Timothy S. Ross 1992-5-5 7232 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  RSA731802  Piptatherum miliaceum Fred M. Roberts, Sandy Leatherman 2007-11-9 6637 Orange Santa Ana Mtns.: San Juan Canyon, Lower San Juan Picnic Ground. 408 Comment
  RSA798191  Piptatherum miliaceum R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49569 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCR101800  Piptatherum miliaceum George K. Helmkamp, E. A. Helmkamp 1998-8-17 4445 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 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
  RSA699337  Plagiobothrys arizonicus L. C. Hull 1934-3-11 s.n. Orange Ortega Highway. Comment
  RSA562489  Plagiobothrys fulvus var. campestris Steve Boyd, Tim Ross 1992-5-5 7247 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  SD152908  Plagiobothrys fulvus var. campestris Steve Boyd, Tim Ross 1992-5-5 7247 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south of Oak Flats, southwest of the Bluewater Trail. 730 Comment
  SD136799  Plantago lanceolata Steve Boyd, Tim Ross 1992-5-5 7262 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area, northwest of Oak Flats along Verdugo Trail between junctions with Bluewater and Lucas Canyon Trails. 762 Comment
  UC1608277  Plantago lanceolata Steve Boyd and Tim Ross 1992-5-5 7262 Riverside nw of Oak Flats (along Verdugo Trail, between junctions with Bluewater and Lucas Canyon Trails); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 762 Comment
  UCR174191  Plantago major A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33026 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
  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
  RSA731755  Platanus racemosa Fred M. Roberts, Sandy Leatherman 2007-11-9 6650 Orange San Juan Canyon along San Juan Creek, within the community of San Juan Hot Springs. 216 Comment
  RSA180244  Platystemon californicus E. W. Lathrop 1959-4-2 4434 Riverside 18 miles west of Murrieta. Comment
  RSA722433  Platystemon californicus L. C. Hull 1934-3-11 s.n. Orange Ortega Highway. Comment
  UCR160324  Plectritis ciliosa subsp. insignis Steve Boyd, Orlando Mistretta 1992-4-22 6996 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA708731  Pluchea odorata Fred M. Roberts, Robert L. Allen, Chris M. Barnhill 2004-8-21 6114 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  IRVC24561  Poa secunda Fred M. Roberts 1986-4-11 2782 Orange San Juan Canyon, Hwy 74, 1.2km SSW Lower San Juan Picnic Ground, Santa Ana Mountains 378 Comment
  RSA562742  Polycarpon depressum Steve Boyd 1992-5-19 7438 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon from crossing the creek by Lucas Canyon Trail, downstream to confluence with Aliso Canyon. 274 Comment
  RSA571317  Polycarpon depressum Steve Boyd, D. L. Banks 1994-4-5 8265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  SD152888  Polycarpon tetraphyllum Steve Boyd, Tim Ross 1992-5-19 7451 Orange Southern Santa Ana Mountains, western edge of the wilderness in Lucas Canyon at the Lucas Canyon Trail crossing. 320 Comment
  CLARK-A1528-3939  Polygala cornuta subsp. fishiae John C. Roos 1960-5-30 Orange Santa Ana Mountains Comment
  CAS-BOT-BC402184  Polygala cornuta var. fishiae R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49615 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station, lateral ravine tributary to San Juan Canyon Comment
  IRVC28641  Polygala cornuta var. fishiae Mark A. Elvin, A. C. Sanders 2005-9-2 4496 Orange Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Santa Ana Mtns 457 Comment
  RSA450863  Polygala cornuta var. fishiae Gordon Marsh, K. G. Marsh 1977-11-21 s.n. Orange Along N side of Ortega Hwy, 0.6 miles W of Lower San Juan Picnic ground. Comment
  RSA557729  Polygala cornuta var. fishiae Steve Boyd, Tim S. Ross 1992-5-4 7172 Orange Santa Ana Mountains, San Juan Canyon along Ortega Hwy (Hwy 74) at pullout 2.9 miles east of San Juan Guard Station. Comment
  RSA562806  Polygala cornuta var. fishiae Steve Boyd, Tim S. Ross 1992-5-20 7478 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
  RSA791874  Polygala cornuta var. fishiae Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49615 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station, lateral ravine tributary to San Juan Canyon Comment
  SD126503  Polygala cornuta var. fishiae Tom Wendt, E. Lott 1975-6-30 1054 Riverside Santa Ana Mountains, Cleveland National Forest, 2 miles north of entrance to upper San Juan Campground, ca. 0.1 mile east of the Orange County line along Rte. 74 in San Juan Canyon 427 Comment
  SD152784  Polygala cornuta var. fishiae Steve Boyd 1992-5-20 7478 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Western edge in Lucas Canyon, along foot trail upstream from end of old road grade to upper homestead (corrugated steel bldg) 351 Comment
  SD58949  Polygala cornuta var. fishiae E. Norland 1964-6-17 Riverside Just east of Riverside County line on Hwy 74 Comment
  UC1608266  Polygala cornuta var. fishiae Steve Boyd and Tim Ross 1992-5-20 7478 Orange w edge of wilderness Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar (along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building), along stream) 350 Comment
  UC2042132  Polygala cornuta var. fishiae R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49615 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station, lateral ravine tributary to San Juan Canyon. Comment
  UC2042137  Polygala cornuta var. fishiae R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49615 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station, lateral ravine tributary to San Juan Canyon. Comment
  UCD169749  Polygala cornuta var. fishiae R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49615 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station, lateral ravine tributary to San Juan Canyon. 358 Comment
  UCR175446  Polygala cornuta var. fishiae Mark A. Elvin, A. C. Sanders 2005-9-2 4496 Orange Peninsular Ranges, Santa Ana Mtns: Mouth of Lion Canyon, just upstream from Lower San Juan Campground 457 Comment
  UCR32578  Polygala cornuta var. fishiae T. L. Wendt, E. J. Lott 1975-6-30 1054 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, c. 0.1 mi. east of Orange County line along Route 74 in San Juan Canyon, 2 mi. west of the entrance to Upper San Juan Campground 427 Comment
  UCR79245  Polygala cornuta var. fishiae Steve Boyd, T. S. Ross 1992-5-20 7478 Orange Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area: Western edge of the wilderness in Lucas Canyon along canyon floor from crossing of Lucas Canyon Trail, upstream 0.25 mi to spur trail leading to old mining habitations in side canyon. 412 Comment
  RSA708537  Polygonum arenastrum Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6102 Orange Caspers Wilderness Park, Hot Springs Cyn., Hot Springs Trail, c.a. 0.16km WSW San Juan Ranger Station, north of SR 74. 212 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
  IRVC24465  Polypodium californicum Fred M. Roberts 1986-2-5 2587 Orange Santa Ana mtns: Lower Hot Springs Canyon, 1.1km NNW Juan Rancho Survey Mk Peninsular Ranges 285 Comment
  RSA689928  Polypodium californicum Albert J. Perkins 1913-3-6 s.n. Orange San Juan Hot Springs Comment
  UCR174022  Polypogon monspeliensis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33055 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  UCSB48109  Polypogon monspeliensis Roberts, Fred 1981-4-12 Orange Santa Ana Mtns.: San Juan Canyon, Hwy. 74, 1.3 km. by road E San Juan Guard Sta., 0.9 km. SE Juan Rancho Survey Marker 295 Comment
  RSA731799  Polypogon viridis Fred M. Roberts, Sandy Leatherman 2007-11-9 6638 Orange Santa Ana Mtns.: San Juan Canyon, Lower San Juan Picnic Ground. 408 Comment
  UCSB48202  Polypogon viridis Roberts, Fred 1981-6-26 Orange Santa Ana Mts., San Juan Canyon, 0.1 km. N Lower San Juan Picnic Ground 390 Comment
Read comments Jan 25 2021
  IRVC28638  Populus balsamifera subsp. trichocarpa Mark A. Elvin, A. C. Sanders 2005-9-2 4493 Orange Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Santa Ana Mtns 457 Comment
  UCR174187  Populus balsamifera subsp. trichocarpa A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33023 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
  UCR175447  Populus balsamifera subsp. trichocarpa Mark A. Elvin, A. C. Sanders 2005-9-2 4493 Orange Peninsular Ranges, Santa Ana Mtns: Mouth of Lion Canyon, just upstream from Lower San Juan Campground 457 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
  LA208544  Populus trichocarpa W. E. Pequegnat; 1937-9-6 sn Orange Santa Ana Mountains, Ortega Rd Comment
  RSA788957  Populus trichocarpa Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49562 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  SD212718  Populus trichocarpa A. C. Sanders, Fred M. Roberts and Michelle Balk 2006-7-20 33023 Orange Santa Ana Mountains: San Juan Canyon, from Lower San Juan Picnis Area to circa 1 mile downstream, parallel to Highway 74 and near Riverside County line 366 Comment
  RSA542592  Porophyllum gracile Fred M. Roberts, T. Sholars 1988-3-29 3883 Orange Santa Ana Mountains: Hot Springs Canyon, 1.3 km north Hwy 74 by road , 0.7 km NW Juan Rancho Survey Marker. 274 Comment
  RSA562731  Porophyllum gracile Steve Boyd, Timothy S. Ross 1992-5-19 7447 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon from crossing the creek by Lucas Canyon Trail, downstream to confluence with Aliso Canyon. 274 Comment
  SD152924  Porophyllum gracile Steve Boyd, Tim Ross 1992-5-19 7447 Orange Southern Santa Ana Mountains, western edge of the wilderness in Aliso Canyon at the confluence with Lucas Canyon. 274 Comment
  SD152759  Potentilla glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-5 7249 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. South of Oak Flats, southwest of the Bluewater Trail 730 Comment
  RSA309587  Prunus ilicifolia James R. Shevock 1976-11-24 5388 Orange Along California highway 74 (Ortega Hwy.) along San Juan Creek approx. 0.5 miles above the San Juan Fire Station. Cleveland National Forest. 579 Comment
  RSA542402  Prunus ilicifolia Fred M. Roberts Jr., Carol A. Williams 1988-3-8 3826 Orange San Juan Canyon, Hwy 74, 1.2 km SSW Lower San Juan Picnic Ground. 378 Comment
  RSA562488  Prunus ilicifolia Steve D. Boyd, Tim S. Ross 1992-5-5 7248 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  SD152758  Prunus ilicifolia Steve Boyd, Tim Ross 1992-5-5 7248 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Isolated grassland area south of Oak Flats, southwest of the Bluewater Trail 730 Comment
  RSA559456  Pseudognaphalium biolettii Steve Boyd 1992-5-4 7211 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SD136919  Pseudognaphalium biolettii Steve Boyd, Tim Ross 1992-5-4 7211 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  CAS-BOT-BC356664  Pseudognaphalium californicum Carl B. Wolf 1936-6-17 7952 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. line 365 Comment
  SD152939  Pseudognaphalium californicum Steve Boyd, Tim Ross 1992-5-5 7246 Riverside Southern Santa Ana Mountains, isolated grassland area south of Oak Flats. 730 Comment
  SD212490  Pseudognaphalium californicum A. C. Sanders, Fred M. Roberts and Michelle Balk 2006-7-20 33008 Orange Santa Ana Mountains; San Juan Canyon from Lower San Juan Picnic Area to ca. 1.0 mile downstream, parallel to Highway 74 and near Riverside County line. 366 Comment
  UCSB47584  Pseudognaphalium californicum Roberts, Jr., Fred 1980-4-3 Orange Along Highway 74, 0.2 km. SW of Orange-Riverside Co. line, 0.4 km. NNE Lower San Juan Picnic Ground 420 Comment
  UCSB48012  Pseudognaphalium microcephalum Roberts, Jr., Fred 1980-9-14 Orange Santa Ana Mtns.; San Juan Canyon, 0.6 km. SW Lower San Juan Picnic Ground; 1.9 km. WNW Sitton Peak 410 Comment
  RSA659893  Pseudognaphalium stramineum Karl Price 1988-5-21 42 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
  RSA560834  Psilocarphus tenellus Steve Boyd 1992-5-4 7189 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA562492  Psilocarphus tenellus Steve Boyd, Timothy S. Ross 1992-5-5 7244 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA562803  Psilocarphus tenellus Steve Boyd 1992-5-19 7426 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon,. 366 Comment
  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
  RSA790025  Psoralea macrostachya Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49564 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCR156569  Psoralea macrostachya Gordon Marsh, Karlin G. Marsh 1976-7-8 15014 Orange Peninsular Range; Santa Ana Mtns., Lower San Juan Picnic Grounds, near Calif. Route 74 396 Comment
  UCR158852  Psoralea macrostachya A. C. Sanders, Mark A. Elvin 2005-9-2 31605 Orange Peninsular Range; Santa Ana Mtns., mouth of Lion Canyon near Lower San Juan Picnic Area, San Juan Creek Canyon 427 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
  UCR174183  Psoralea orbicularis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33037 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  UCR174219  Pteridium aquilinum A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33034 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  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
  RSA607243  Pterostegia drymarioides R. S. Woglum 1938-5-8 1618 b Orange Peninsular Ranges: Capistrano to Elsinore; Santa Ana Mountains [Orange/Riverside counties]. Comment
  UCR174206  Pulicaria paludosa A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33059 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA573294  Pycnanthemum californicum Steve Boyd, T. S. Ross 1994-9-14 8351 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucus Canyon Trail crossing. 311 Comment
  SD136812  Pycnanthemum californicum Steve Boyd, Tim Ross 1994-9-14 8351 Orange Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat Forest, Lucas Canyon Trail at stream crossing Lucas Canyon 310 Comment
  UCR84428  Pycnanthemum californicum Steve Boyd, T. S. Ross 1994-9-14 8351 Orange Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon trail at stream crossing in Lucas Canyon. 311 Comment
  UCD47705  Quercus X acutidens John M. Tucker 1941-5-30 256 Orange Low shrub, in San Juan Canyon, 200 yards west of San Juan Guard Station, Highway 74, Orange County, California. Comment
  UCD47711  Quercus X acutidens John M. Tucker 1941-5-30 254 Orange Low shrub, in San Juan Canyon, 200 yards west of San Juan Guard Station, Highway 74, Orange County, California. Comment
  UCD47714  Quercus X acutidens John M. Tucker 1941-5-30 255 Orange Low shrub, in San Juan Canyon, 200 yards west of San Juan Guard Station, Highway 74, Orange County, California. Comment
  UCSB52413  Quercus X acutidens Roberts, Fred 1981-11-15 Orange Santa Ana Mtns.: San Juan Canyon, Hwy 74, across road from entrance to Lower San Juan Picnic Ground 436 Comment
  UCSB52414  Quercus X acutidens Roberts, Fred 1982-7-9 Orange Santa Ana Mtns,: San Juan Canyon, Hwy 74, entrance to Lower San Juan Picnic ground; 1.9km NW Sitton Peak 305 Comment
  UCSB52415  Quercus X acutidens Roberts, Fred 1981-11-15 Orange Santa Ana Mtns.: San Juan Canyon, Rte. 74, 0.5km by road SW Lower San Juan Picnic Ground, 425 Comment
  SD152836  Quercus agrifolia Steve Boyd, Tim Ross 1992-5-5 7217 Riverside San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  SD224981  Quercus agrifolia Scott D. White, Shelton Dowthit & Conservancy volunteers. 1996-3-31 3850 Riverside lK Skinner Area: Riverside Land Conservancy conservation easement site, about 0.5 air mi. S of the reservoir, near East Benton Road. USGS Bachelor Mtn. 518 Comment
  UCR174210  Quercus agrifolia A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33044 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
  RSA559451  Quercus agrifolia var. agrifolia Steve Boyd, T. S. Ross 1992-5-5 7217 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UCSB48077  Quercus agrifolia var. agrifolia Roberts, Fred 1981-4-11 Orange Santa Ana Mtns., San Juan Canyon, Hwy 74, 2.7km ENE San Juan Guard Station 96 Comment
  GH344046  Quercus berberidifolia D. H. Goldman 2005-3-28 3167 Unknown Above a culvert in the San Juan Canyon, to the W. side of Rt. 74, about 0.25 mi SW of the Riverside County line. Cleveland National Forest 408 Comment
  IRVC23334  Quercus berberidifolia Fred M. Roberts 1981-11-15 452 Orange San Juan Canyon; N-side of Hwy 74; 0.3km SW Lower San Juan Picnic Ground Santa Ana Mountains 423 Comment
  RSA559450  Quercus berberidifolia Steve Boyd, T. S. Ross 1992-5-5 7218 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA757984  Quercus berberidifolia Doug Goldman 2005-3-28 3167 Orange Above a culvert in the San Juan Canyon, to the west side of Route 74, about 0.25 miles southwest of the Riverside County Line. 409 Comment
  SD152835  Quercus berberidifolia Steve Boyd, Tim Ross 1992-5-5 7218 Riverside Southern Santa Ana Mountains, San Mareo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero, in chaparral & oak woodland borders 730 Comment
  RSA659896  Quercus cornelius-mulleri Karl Price 1988-4-29 15 Orange An unnamed side canyon within Hot Springs Canyon. It is on Hot Springs Canyon Rd., 0.75 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 305 Comment
  RSA68306  Rafinesquia californica G. R. Campbell 1951-5-30 16101 Orange San Juan Canyon, Ortega Hwy, 4 mi. inside west border of Cleveland National Forest. 152 Comment
  SD152899  Raphanus sativus Steve Boyd, Tim Ross 1992-5-19 7446 Orange Southern Santa Ana Mountains; western edge of the wilderness in Alixo Canyon at the confluence with Lucas Canyon, upstream to the Lucas Canyon Trail crossing. 274 Comment
  UCR174207  Rhamnus californica A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33057 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
  LA207808  Rhamnus crocea subsp. ilicifolia W. E. Pequegnat; 1937-9-6 sn Orange Santa Ana Mountains, Ortega Rd Comment
  RSA329568  Rhamnus ilicifolia Gary D. Wallace 1966-4-16 462 Orange W edge of Cleveland Nat. For. about 5 mi. E of San Juan Capistrano, in the Santa Ana Mountains, in Hot Springs Canyon. Comment
  RSA788242  Rhamnus ilicifolia Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49630 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station Comment
  RSA791876  Rhamnus ilicifolia Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49614 Orange Santa Ana Mountains: along Ortega Highway (74) about 2.5 miles above San Juan Fire Station Comment
  SD247724  Rhamnus ilicifolia R. F. Thorne, E. W. Lathrop, W. Wisura. 1977-7-8 49360 Orange Santa Ana Mountains: San Juan Canyon, along Ortega Highway (74) across from San Juan Fire Station. Comment
  SEINET10778394  Rhinotropis cornuta var. fishiae J. Richard Abbott 2001-8-18 Abbott 14678 Riverside Santa Ana Mountains, San Juan Canyon, 6.7 miles SW of E-edge of Cleveland National Forest; 0.1 mile E of Orange County line on CA 74, 2 miles W of road N to Upper San Juan Campground; steep NNW-facing chaparral slopes. Comment
  IRVC84  Rhus ovata A. S. Boughey 128 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  RSA696479  Rhus ovata Kenneth Beard 1934-04 s.n. Riverside Mtns. along Ortega Hwy. N. of San Juan hot Springs Comment
Read comments Oct 31 2011
  SEINET10634921  Rhus ovata Greg Gust, Leith Nye 2005-3-12 Gust 567 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  UCSB47593  Rhus ovata Roberts, Fred 1980-4-5 Orange Highway 74, San Juan Canyon, 0.4 km. SW Lower San Juan Picnic Ground, Santa Ana Mountains 390 Comment
  SD152831  Ribes californicum var. hesperium Steve Boyd, Tim Ross 1992-5-20 7460 Orange Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon along canyon floor from crossing of Lucas Canyon Trail, upstream Ao mile to spur trail leading to old mining habitations in side canyon. 305 Comment
  UC1127397  Ribes californicum var. hesperium H. E. Norton 1931-3-14 40 Orange Verdugo Potrero Corona Quadrangle Comment
  UCR79243  Ribes californicum var. hesperium Steve Boyd, T. S. Ross 1992-5-20 7460 Orange Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area: Western edge of the wilderness in Lucas Canyon along canyon floor from crossing of Lucas Canyon Trail, upstream 0.25 mi to spur trail leading to old mining habitations in side canyon. 412 Comment
  UCR79261  Ribes californicum var. hesperium Steve Boyd, Orlando Mistretta 1992-4-22 6994 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  LA205444  Ribes indecorum O. A. Plunkett; 1939-2-18 sn Orange 15 mi. E of Capistrano Comment
  LA205488  Ribes malvaceum W. E. Pequegnat; 1937-9-6 sn Orange Santa Ana Mountains, Ortega Rd Comment
  RSA0016317  Ribes malvaceum var. malvaceum Jim Riley 2011-1-3 1 Orange Caspers Wilderness Park (approx. 1 km west of Cleveland National Forest Boundary). Adjacent to Ridge Trail. 474 Comment
  SD236308  Ribes malvaceum var. malvaceum Jim Riley 2011-1-3 1 Orange Caspers Wilderness Park (approx. 1 km west of Cleveland National Forest Boundary). Adjacent to Ridge Trail. 473 Comment
  RSA562452  Ribes malvaceum var. viridifolium Steve Boyd, T. S. Ross 1992-5-5 7237 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SD152829  Ribes malvaceum var. viridifolium Steve Boyd, Tim Ross 1992-5-5 7237 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along the Bluewater Trail 730 Comment
  UC1608294  Ribes malvaceum var. viridifolium Steve Boyd, Tim Ross 1992-5-5 7237 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 731 Comment
  UCR79260  Ribes speciosum Steve Boyd, Orlando Mistretta 1992-4-22 7011 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  CHSC26237  Ricinus communis E. Bushey 1968-5-15 51 Orange San Juan Canyon Rd. 304 Comment
  RSA446201  Romneya coulteri N. C. Cooper 1949-5-1 3934 Orange San Juan Canyon. 457 Comment
Read comments Aug 11 2011
  UCR16445  Romneya coulteri K. T. Ingram 1976-5-2 s.n. Orange Peninsular Range; Santa Ana Mtns., Ortega Highway, Route 74, 12 mi. east of Hwy 405 Comment
  RSA798097  Rumex conglomeratus Robert 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 (74) Comment
  UCR173937  Rumex conglomeratus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33006 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
  RSA715302  Rumex salicifolius A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33054 Orange San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 366 Comment
  UCR16515  Rumex salicifolius Steve Kulju 1974-5-27 s.n. Orange Peninsular Range; Santa Ana Mtns, San Juan Canyon, 16 mi SW of Lake Elsinore on State Hwy 74 488 Comment
  UCR173934  Rumex salicifolius A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33054 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
  UCSB48108  Rumex salicifolius Roberts, Fred 1981-4-12 Orange SANTA ANA MTNS.: San Juan Canyon, Hwy 74, 1.3km by road E San Juan Guard Station; 0.9km SE Juan Rancho Survey Mark 295 Comment
  IRVC24801  Rupertia physodes Fred M. Roberts, G. A. Marsh 1986-5-16 2909 Orange Ridge above San Juan Canyon, Sitton Peak Truck Trail, 4.0km W Sitton Peak, Santa Ana Mountains 670 Comment
  RSA539365  Salix exigua Fred M. Roberts Jr., Karlin G. Marsh 1989-3-14 4201 Orange San Juan Canyon, Lower San Juan Picnic Ground. 329 Comment
  UCR174214  Salix exigua A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33041 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
  RSA539364  Salix laevigata Fred M. Roberts Jr., Carol A. Roberts 1988-7-5 4107 Orange San Juan Canyon, 0.4 km SW Lower San Juan Picnic Ground. 410 Comment
  SD225103  Salix laevigata Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3849 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road 533 Comment
  SEINET959510  Salix laevigata A. C. Sanders 2006-1 33015 Orange Peninsular Range; Santa Ana Mtns.: San Juan Canyon, from Lower San Juan Picnic Area to xa. 1 mile downstream , parrallel to Hwy 74 and near Riverside Co. line (sitton Peak 7.5 q) 366 Comment
  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
  SD225104  Salix lasiolepis Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3848 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road. 533 Comment
  UCR174190  Salix lasiolepis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33016 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
  RSA192106  Salvia apiana E. W. Lathrop 1966-6-9 4952 Riverside 14 miles W of Murrieta. Comment
  RSA34605  Salvia apiana N. C. Cooper 1944-6-4 1329 Orange San Juan Canyon. 152 Comment
  RSA411337  Salvia apiana N. C. Cooper 1949-5-1 3944 Orange San Juan Canyon. 457 Comment
  RSA562456  Salvia apiana Steve Boyd, T. S. Ross 1992-5-5 7233 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA562812  Salvia apiana Steve Boyd, T. S. Ross 1992-5-20 7484 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building). 350 Comment
  RSA649075  Salvia apiana Karl Price 1988-5-21 41 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
  SD152816  Salvia apiana Steve Boyd, Tim Ross 1992-5-20 7484 Orange Southern Santa Ana Mountains: San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building). 404 Comment
  SD152817  Salvia apiana Steve Boyd, Tim Ross 1992-5-5 7233 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 730 Comment
  UCR97885  Salvia apiana George K. Helmkamp, E. A. Helmkamp 1997-4-24 1664 Orange Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 1.6 mi. SE of Ortega Hwy (Calif. Hwy 74) on Rd. 7-S14 549 Comment
  UCSB47996  Salvia apiana Roberts, Fred 1980-6-29 Orange Santa Ana Mtns; Viejo Canyon; 0.4 km N Calif. Rte 74; 2.2 km ENE San Juan Guard Station 341 Comment
  RSA401440  Salvia columbariae M. B. Dunkle 1933-3-5 3079 Orange San Juan Canyon 305 Comment
  RSA542482  Salvia columbariae Fred M. Roberts, Teresa Sholars 1988-3-29 3881 Orange Santa Ana Mountains: Hot Springs Canyon, 0.5 km by road north Hwy 74, 0.9 km ESE Juan Rancho Survey Marker. 223 Comment
  SD42978  Salvia columbariae EB H mar 1948 Orange Ner San Juan Camp Comment
  SEINET3242545  Salvia columbariae Norman C. Cooper 1944-1 1349 Orange Elsinore Mtn. Orange Co. 1067 Comment
  RSA649076  Salvia columbariae var. columbariae Karl Price 1988-4-29 25 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
  RSA649077  Salvia mellifera Karl Price 1988-5-22 64 Orange On the side of Hot Springs Canyon Rd. in Hot Springs Canyon. 0.5 mi. North of Ortega Hwy. (74), 12.6 mi. East of San Juan Capistrano. 305 Comment
  RSA67771  Salvia mellifera G. R. Campbell 1951-5-30 16087 Orange San Juan Canyon, Ortega Hwy, 4 mi. inside west border of Cleveland National Forest 152 Comment
  RSA798093  Salvia mellifera Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49594 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCSB47582  Salvia mellifera Roberts, Fred 1980-4-3 Orange San Juan Canyon;, HWY 74; 0.4km NNE Lower San Juan Picnic Ground; Santa Ana Mountains 420 Comment
  RSA562479  Sambucus mexicana Steve Boyd, Timothy S. Ross 1992-5-5 7257 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UC1608295  Sambucus mexicana Steve Boyd and Tim Ross 1992-5-5 7257 Riverside along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  SD136865  Sambucus nigra subsp. caerulea Steve Boyd, Tim Ross 1992-5-5 7257 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Oak Flats along Serrano Spring drainage. 730 Comment
  RSA571310  Sanicula arguta Steve Boyd, Darin Banks 1994-4-5 8258 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. Comment
  UC1611575  Sanicula arguta Steve Boyd, Darin Banks 1994-4-5 8258 Riverside in vicinity of Oaks Flats e of Verdugo Potrero (San Mateo Canyon Wilderness Area of the Cleveland National Forest, Southern Santa Ana Mts); Southern Santa Ana Mts, Cleveland National Forest 762 Comment
  RSA542436  Sanicula bipinnata Fred M. Roberts 1988-3-15 3853 Orange Rancho Mission Viejo: Verdugo Canyon, 2.6 km ENE Point Rancho Survey Mark 149 Comment
  SD41969  Satureja chandleri Darley F. Howe 1947-4-29 1555 Orange San Juan Creek Comment
  SDSU7979  Satureja chandleri D. F Howe 1947-4-29 1555 Orange San Juan Creek, Santa Ana Mts., Orange Co. 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
  UCR56327  Scandix pecten-veneris Kathy Harper 1989-4-8 s.n. Orange Ronald W. Caspers Wilderness Area, along Bell Canyon Trail. 153 Comment
  RSA797601  Schoenoplectus Robert F. Thorne 1977-11-21 49998 Orange Santa Ana Mountains: San Juan Canyon at San Juan Hot Springs Comment
  UCSB52891  Schoenoplectus americanus Roberts, Fred 1984-10-18 Orange Santa Ana Mtns.: San Juan Canyon, 2.5 km. ENE San Juan Guard Station; 4.0 km. WNW Sitton Peak 310 Comment
  RSA788971  Scirpus microcarpus Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49574 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  SD212402  Scirpus microcarpus Andrew C. Sanders, Fred M. Roberts, et al 2006-7-20 33022 Orange Santa Ana Mountains; San Juan Canyon from Lower San Juan Picnic Area to circa 1 mile downstream, parallel to Highway 74 and near Riverside County line 366 Comment
  UCR174222  Scirpus microcarpus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33022 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
  UCSB47591  Scrophularia californica Roberts, Fred 1980-4-5 Orange Highway 74, San Juan Canyon, 0.4km sw Lower San Juan Picnic Ground, Santa Ana Mountains, 390 Comment
  RSA425212  Scrophularia californica subsp. floribunda N. C. Cooper 1944-6-4 1371 Orange San Juan Canyon, lower camp ground. 457 Comment
  RSA559460  Scutellaria tuberosa Steve Boyd, T. S. Ross 1992-5-4 7207 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA560835  Scutellaria tuberosa Steve Boyd, T. S. Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA571287  Scutellaria tuberosa Steve Boyd, D. L. Banks 1994-4-5 8267 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  RSA594892  Scutellaria tuberosa Fred M. Roberts 1994-4-24 4905 Orange Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1.2 kilometers SW Lower San Juan Picnic Ground. 390 Comment
  SEINET270116  Scutellaria tuberosa Steve Boyd, Tim Ross 1992-5-4 7187 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains. Oak Flats area east of Verdugo Portero 732 Comment
  SD152815  Scutellaria tuberosa subsp. australis Steve Boyd, Time Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR79256  Scutellaria tuberosa subsp. australis Steve Boyd, T. S. Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  IRVC3587  Selaginella bigelovii A. S. Boughey 143 Orange [San Juan Canyon], Ortega Hwy, 1mi E San Juan Guard Sta. Santa Ana Mountains Comment
  RSA559463  Selaginella bigelovii Steve Boyd, T. S. Ross 1992-5-4 7204 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA683766  Selaginella bigelovii Meryl B. Dunkle 1934-2-19 3841 Riverside San Juan Canyon. 610 Comment
  RSA734129  Selaginella bigelovii Keith E. Hoffmaster 1935-5-5 629 Orange San Juan Canyon., Santa Ana Mts. Comment
  SD136993  Selaginella bigelovii Steve Boyd, Tim Ross 1992-5-4 7204 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  SFV17365  Selaginella bigelovii J. N. Hogue, J. D. Dilley, D. L. Bishop 1998-4-9 104 .4 Orange Santa Ana Mountains San Juan Canyon, 0.5 miles southwest of Lower San Juan Picnic Area at highway marker 14. 366 Comment
  UCSB48048  Senecio flaccidus var. douglasii Roberts, Fred 1981-11-15 Orange Santa Ana Mtns.: San Juan Canyon, Hwy 74, across road from entrance to Lower San Juan Picnic Ground 436 Comment
  IRVC22729  Senna multiglandulosa Fred M. Roberts 1985-5-13 1792 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  RSA791872  Setaria parviflora R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49619 Orange Santa Ana Mountains: about 1 mile above San Juan Fire Station Comment
  RSA559453  Sidalcea malviflora Steve Boyd, T. S. Ross 1992-5-5 7215 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  CAS-BOT-BC384578  Silene coniflora Steve Boyd; Darin Banks 1994-4-5 8264 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero 762 Comment
  SFV17356  Silene gallica J. N. Hogue, D. L. Bishop 1998-4-8 102 .1 Orange Santa Ana Mountains San Juan Canyon near Lower San Juan Picnic Area. 396 Comment
  RSA438887  Silene laciniata subsp. major M. B. Dunkle 1934-6-18 3997 Orange San Juan Canyon 305 Comment
  RSA798186  Silene laciniata subsp. major R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49595 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station Comment
  RSA336970  Sisyrinchium bellum N. C. Cooper 1944-6-4 1330 Orange San Juan Canyon. 152 Comment
  RSA422439  Solanum douglasii M. B. Dunkle 1933-3-5 3093 Orange San Juan Canyon 305 Comment
  RSA788958  Solanum douglasii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49561 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCR137188  Solanum douglasii M. B. Dunkle 1933-3-5 3093 Orange Southern Coast, San Juan Canyon 305 Comment
  CAS-BOT-BC156677  Solanum umbelliferum C. B. Wolf 1936-6-17 7953 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E., of Orange Co. line 365 Comment
  GH244815  Solanum umbelliferum Unknown Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 miles east of Orange Co. Line Comment
Read comments Oct 3 2011
  RSA17565  Solanum umbelliferum Carl B. Wolf 1936-6-17 7953 Orange Long Ortega Highway San Juan Canyon, 5/10 mi. e. of Orange Co. Line Riverside 366 Comment
Read comments Aug 9 2014
  UC718283  Solanum umbelliferum Carl B. Wolf 1936-6-17 7953 Riverside 5/10 mi e of Orange County Line (along Ortega Highway, San Juan Canyon); Santa Ana Mountains, San Juan Canyon 365 Comment
  UCR2925  Solanum umbelliferum R. Oshima 1963-5-2 050263- 10 Orange Peninsular Range; Santa Ana Mtns., 2 mi west of the Riverside County line in a draw. 15 yards up the draw under oaks Comment
  NY820479  Solanum xanti C. B. Wolf 1936-6-17 7953 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. line 366 Comment
  RSA788807  Solidago californica R. F. Thorne 1977-11-21 49980 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp Comment
  RSA788805  Solidago occidentalis R. F. Thorne 1977-11-21 49982 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp Comment
  RSA798089  Sonchus asper R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49582 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  RSA559452  Sonchus oleraceus Steve Boyd, Timothy S. Ross 1992-5-5 7216 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  SD152920  Sonchus oleraceus Steve Boyd, Tim Ross 1992-5-5 7216 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  IRVC14875  Sorghum bicolor Gordon A. Marsh, Karlin G. Marsh 1976-7-8 s.n. Orange Santa Ana Mtns: Lower San Juan Picnic Grounds near Hwy 74 [Ortega Hwy]. Peninsular Ranges Comment
  RSA748820  Spartium junceum G. Gust, L. Nye 2005-3-12 565 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 400 Comment
  SD152845  Spartium junceum Steve Boyd, Tim Ross 1992-5-20 7459 Orange San Mateo Canyon Wilderness Area; western edge of the wilderness in Lucas Canyon. 305 Comment
  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
  SEINET10630772  Spartium junceum Greg Gust, Leith Nye 2005-3-12 Gust 565 Orange Cleveland National Forest, on Hwy 74 ca. 0.5 m W of county boundary with Riverside at a pullout. 401 Comment
  CAS-BOT-BC390989  Spergularia villosa Steve Boyd; Orlando Mistretta 1992-4-22 7021 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  SD136864  Spergularia villosa Steve Boyd, Orlando Mistretta 1992-4-22 7021 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Indian Potrero Trail south from Verdugo Potrero to Indian Potrero. 609 Comment
  UCR79257  Spergularia villosa Steve Boyd, Orlando Mistretta 1992-4-22 7021 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA562760  Stachys rigida subsp. quercetorum Steve Boyd, T. S. Ross 1992-5-19 7436 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon from crossing the creek by Lucas Canyon Trail, downstream to confluence with Aliso Canyon. 274 Comment
  RSA798185  Stachys rigida subsp. quercetorum Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49583 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  SEINET9364763  Stachys stebbinsii A. Sanders, Balk, Michelle 2006-7-20 33018 Orange Peninsular Range; Santa Ana Mtns.: San Juan Canyon, from Lower San Juan Picnic Area to ca. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line (Sitton Peak 7.5' topo.) Canyon bottom; moist rocky sand and flowing water; oak riparian forest with Quercus agrif., Platanus rac., Salix laev., S. las., Baccharis salic., Rubus ur., Vitis gird., Artemisia doug., etc. Comment
  UCR174220  Stachys stebbinsii A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33018 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  RSA452251  Stanleya pinnata M. B. Dunkle 1934-6-18 4000 Riverside Head of San Juan Canyon. 549 Comment
  UCR17943  Stephanomeria cichoriacea L. Stuart 1974-1 s.n. Orange Peninsular Range; Santa Ana Mtns., Sitton Peak Road, c. 3 mi off Ortega Hwy 579 Comment
  RSA562493  Stylocline gnaphaloides Steve Boyd, Timothy S. Ross 1992-5-5 7243 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats. Bluewater Trail. T7S R6W NE/4 NE/4 sec. 24. 732 Comment
  SD152917  Stylocline gnaphaloides Steve Boyd, Tim Ross 1992-5-5 7243 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Aea. Eastern portions of Oak Flats along the Bluewater Trail. In openings in chaparral. 730 Comment
  UC1123320  Styrax officinalis var. redivivus J. B. Spring 1931-4-14 34 Orange Hot Springs, San Juan Canyon; Elsinore Quad., Hot Springs, San Juan Canyon 213 Comment
  CAS-BOT-BC402180  Styrax redivivus R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49598 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Comment
  RSA594808  Styrax redivivus Fred M. Roberts Jr., K. Nowak 1995-4-19 4926 Orange Lower Hot Spring Canyon, San Juan Trail, 0.5 km NW Juan Rancho Survey Mark. 335 Comment
  RSA753416  Styrax redivivus Eleanor Carter 1998-5-25 s.n. Orange At the summit of Sitton Peak, just N of San Mateo Wilderness. 998 Comment
  RSA798091  Styrax redivivus Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49598 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station Comment
  UC2042142  Styrax redivivus R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49598 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. Comment
  UCD170074  Styrax redivivus R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49598 Orange Santa Ana Mountains: rocky ravine tributary to San Juan Canyon, along Ortega Highway (74) about 2 miles above San Juan Fire Station. 345 Comment
  RSA715246  Symphoricarpos A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33040 Orange San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 366 Comment
Read comments Dec 16 2008
  UCR174213  Symphoricarpos A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33040 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
  RSA573298  Symphoricarpos albus var. laevigatus Steve Boyd, Timothy S. Ross 1994-9-14 8355 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
  SD215457  Symphoricarpos albus var. laevigatus Steve Boyd, Tim Ross 1994-9-14 8355 Orange San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucas Canyon Trail crossing. 305 Comment
  UCR94530  Symphoricarpos albus var. laevigatus Steve Boyd, T. S. Ross 1994-9-14 8355 Orange Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucas Canyon trail crossing. 305 Comment
  RSA41794  Tetracoccus dioicus Fred Wylie 1948-03 s.n. Orange Near San Juan Camp Comment
Read comments Sep 30 2013
  SD42981  Tetracoccus dioicus Fred Wylie Mar 1948 Orange Near San Juan Camp Comment
Read comments Sep 30 2013
  SD216518  Thalictrum fendleri var. polycarpum Jay B. Walker 1995-3-9 1237 Orange Cleveland National Forest, Trabuco District; at junction of USFS Road 6S10 and San Juan Trail 99 Comment
  CAS-BOT-BC399741  Thalictrum polycarpum Alice Eastwood; John Thomas Howell 1937-4-24 3923 Orange 2 miles east of San Juan Hot Springs Comment
  CAS-BOT-BC399742  Thalictrum polycarpum Alice Eastwood; John Thomas Howell 1937-4-24 3922 Orange 2 miles east of San Juan Hot Springs Comment
  NY42605  Thalictrum polycarpum J. B. Walker 1995-3-9 1237 Orange Cleveland National Forest, Trabuco district, at junction of USFS Rd 6S10 and San Juan Trail 100 Comment
  SBBG105028  Thysanocarpus curvipes S. Boyd with D. Banks 1994-4-5 8256 Riverside San Mateo Cyn Wilderness Area, vicinity of Oak Flats E of Verdugo Potrero; near jct of Lucas Cyn and Verdugo Trails Comment
  IRVC18788  Torilis nodosa Karlin G. Marsh, G. A. Marsh 1981-5-17 Orange Glenn Ranch, ridge above Canada de los Alisos. Lomas de Santiago Comment
  SD152963  Torilis nodosa Steve Boyd, Tim Ross 1992-5-19 7433 Orange Southern Santa Ana Muntains, San Mateo Canyon Wilderness Area; western edge of the wilderness along Lucas Canyon Trail in Lucas Canyon, just upstream from the divide with Aliso Canyon. 365 Comment
  SD152916  Tragopogon porrifolius Steve Boyd 1992-5-19 7437 Orange So. Santa Ana Mtns, San Mateo Cyn Wilderness Area. W edge of the wilderness in Lucas Cyn from crossing of creek by Lucas Cyn Trail, downstream to confluence with Aliso Cyn. Local on grassy bench in open oak woodland, near area of old minig habitiations. 274 Comment
  UCR79272  Tragopogon porrifolius Steve Boyd, T. S. Ross 1992-5-19 7437 Orange S Santa Ana Mtns, San Mateo Canyon Wilderness Area. W edge of the wilderness in Lucas Canyon from crossing of creek by Lucas Canyon trail, downstream to confluence with Aliso Canyon. 335 Comment
  RSA708535  Tribulus terrestris Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6103 Orange Caspers Wilderness Park, Hot Springs Cyn., Hot Springs Trail, c.a. 0.16km WSW San Juan Ranger Station, north of SR 74. 212 Comment
  RSA559461  Trichostema lanatum Steve Boyd, T. S. Ross 1992-5-4 7206 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA559462  Trichostema lanatum Steve Boyd, T. S. Ross 1992-5-4 7205 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA561013  Trichostema lanatum Steve Boyd, T. S. Ross 1992-5-4 7197 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SD136809  Trichostema lanatum Steve Boyd, Tim Ross 1992-5-4 7205 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 730 Comment
  RSA573435  Trichostema lanceolatum Steve Boyd, T. S. Ross 1994-9-14 8340 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, western edge of the Oak Flats area near the junction of the Lucas Canyon and Verdugo Trails. 768 Comment
  UC1605433  Trichostema lanceolatum Steve Boyd and Tim Ross 1994-9-14 8340 Riverside Oak Flats area Santa Ana Mts. Cleveland NF, San Mateo Canyon Wilderness Are (w edge, near the junction of Lucas Canyon and Verdugo Trails) 768 Comment
  RSA440726  Trichostema parishii M. B. Dunkle 1934-6-18 3976 Riverside Upper San Juan Canyon. Comment
  RSA562464  Trifolium albopurpureum Steve D. Boyd 1992-5-5 7225 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SD152844  Trifolium albopurpureum Steve Boyd, Tim Ross 1992-5-5 7225 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along Bluewater Trail 730 Comment
  RSA562477  Trifolium ciliolatum Steve D. Boyd, Tim S. Ross 1992-5-5 7259 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  RSA571290  Trifolium depauperatum var. truncatum Steve D. Boyd, D. L. Banks 1994-4-5 8270 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  RSA560841  Trifolium microcephalum Steve D. Boyd, Tim S. Ross, Bob Boyd 1992-5-4 7181 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR79213  Trifolium microcephalum Steve Boyd, T. S. Ross 1992-5-4 7181 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  IRVC28637  Trifolium obtusiflorum Mark A. Elvin, A. C. Sanders 2005-9-2 4492 Orange Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Santa Ana Mtns 457 Comment
  POM349098  Trifolium obtusiflorum M. B. Dunkle 1934-6-18 3983 Orange San Juan Canyon; Southern Coastal 305 Comment
  SD212626  Trifolium obtusiflorum A. C. Sanders, Fred M. Roberts and Michelle Balk 2006-7-20 33027 Orange San Juan Canyon from Lower San Juan Picnic Area to ca. 1.0 mile downstream parallel to Highway 74. 366 Comment
  UCR144738  Trifolium obtusiflorum Gordon Marsh, Karlin G. Marsh 1976-7-8 s.n. Orange Peninsular Range; Santa Ana Mtns., Lower San Juan Picnic Grounds, near Calif. Route 74 396 Comment
  UCR174188  Trifolium obtusiflorum A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33027 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
  UCR175593  Trifolium obtusiflorum Mark A. Elvin, A. C. Sanders 2005-9-2 4492 Orange Peninsular Ranges, Santa Ana Mtns: Mouth of Lion Canyon, just upstream from Lower San Juan Campground 457 Comment
  UCR79264  Trifolium truncatum Steve Boyd 1992-4-14 6814 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area. Western edge of Oak Flats Area along Bluewater Tr. from Verdugo Tr. S to crest of ridge W side Bluewater Canyon 793 Comment
  POM370297  Trifolium willdenovii Greg Wright 1971-7-17 309 Riverside Hwy 74, San Juan Creek and Canyon, Santa Ana Mts, Alt 1650ft, Santa Ana River 503 Comment
  RSA562463  Trifolium willdenovii Steve D. Boyd, Tim S. Ross 1992-5-5 7226 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SD152841  Trifolium willdenovii Steve Boyd, Tim Ross 1992-5-5 7226 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along the Bluewater Trail, open areas in grassland 730 Comment
  UC1608261  Trifolium willdenovii Steve Boyd and Tim Ross 1992-5-5 7226 Riverside e portions Oak Flats (along the Blue Water trail); Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area; T7S R6W E1/2 SE1/4 sec. 13; T7S R5W W1/2 SW1/4 sec. 18 Comment
  IRVC24837  Trifolium willdenowii Fred M. Roberts, G. A. Marsh 1986-5-16 2878 Orange ridge above San Juan Canyon, Sitton Pk. Truck Trail, 3.2km WSW Sitton Peak, Santa Ana Mountains 657 Comment
  RSA571294  Triticum aestivum Steve Boyd, Darin Banks 1994-4-5 8274 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of verdugo Potrero, near the water tank and Lucas Canyon Trailhead. 747 Comment
  RSA731761  Typha domingensis Fred M. Roberts, Sandy Leatherman 2007-11-9 6643 Orange San Juan Canyon along San Juan Creek. 0.2 km E communiy of San Juan Hot Springs. 222 Comment
  UCR174226  Typha domingensis A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33032 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
  UC1126311  Umbellularia californica A. Lewis Mar 1934 353 Orange Cleveland National Forest, Sugarloaf Peak Sugarloaf Peak; Cleveland National Forest, Sugarloaf Peak 1066 Comment
  RSA443848  Venegasia carpesioides Karlin G. Marsh 1984-2-21 s.n. Orange Casper's Regional Park: Upper Lucas Canyon Comment
  UCSB57132  Venegasia carpesioides Marsh, K. 1984-2-21 Orange Casper's Regional Park: Upper Lucas Canyon Comment
  RSA788968  Veronica anagallis-aquatica Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49577 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Comment
  UCD169763  Veronica anagallis-aquatica R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49577 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Along San Juan Creek. 433 Comment
  POM571295  Vicia americana Steve D. Boyd, D. L. Banks 1994-4-5 s.n. Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of verdugo Potrero, near the water tank and Lucas Canyon Trailhead. 747 Comment
Read comments Jul 12 2013
  UCSB47579  Vicia americana Roberts, Fred 1980-4-3 Orange San Juan Canyon, Hwy. 74, bank across from entrance to Lower San Juan Picnic Ground, Santa Ana Mountains 410 Comment
  SBBG105051  Vicia americana subsp. americana S. Boyd, D. Banks 1994-4-5 8275 Riverside vicinity of Verdugo Potrero, near the water tank and Lucas Cyn Trailhead 746 Comment
  IRVC23872  Vicia benghalensis T. W. Mulroy 1973-5-21 1869 Orange San Juan Canyon, Hwy 74, adjacent to Lower San Juan Picnic Area. Santa Ana Mountains Comment
  RSA560837  Vicia sativa Steve D. Boyd, Tim S. Ross 1992-5-4 7185 Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  RSA562494  Vicia sativa Steve D. Boyd, Tim S. Ross 1992-5-5 7242 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 747 Comment
  SD152839  Vicia sativa Steve Boyd, Tim Ross 1992-5-5 7242 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along Bluewater Trail 747 Comment
  UCR79275  Vicia sativa Steve Boyd, T. S. Ross 1992-5-5 7242 Riverside Southern Santa Ana Mtns, San Mateo Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  UCR79481  Vicia sativa Steve Boyd, T. S. Ross 1992-5-5 7261 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails 762 Comment
  SD136837  Vicia sativa subsp. nigra Steve Boyd, Tim Ross 1992-5-5 7261 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats along Serrano Spring drainage between Lucas Canyon Trail & junction of Bluewater & Verdugo Trails, grassy openings 730 Comment
  IRVC22730  Vicia sativa subsp. sativa Fred M. Roberts 1985-5-13 1791 Orange South Laguna; Mouth of Aliso Canyon, 0.6km NW Aliso Peak, 6 Comment
  SD136836  Vicia villosa Steve Boyd, Orlando Mistretta 1992-4-22 6993 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon & Nickel Canyon, understory of oak woodland 609 Comment
  SBBG105049  Vicia villosa subsp. villosa S. Boyd, D. Banks 1994-4-5 8259 Riverside vicinity of Oak Flats E of Verdugo Potrero 762 Comment
  SFV17358  Vicia villosa subsp. villosa J. N. Hogue, D. L. Bishop 1998-4-8 102 .3 Orange Santa Ana Mountains San Juan Canyon near Lower San Juan Picnic Area. 396 Comment
  IRVC100  Vinca major C. Ford 1965-5-20 Orange Ortega Hwy 74. Santa Ana Mountains Comment
  NY42731  Vinca major J. B. Walker 1995-3-9 1238 Orange Cleveland National Forest, Trabuco district, at junction of USFS Rd 6S10 and San Juan Trail 100 Comment
  RSA0121735  Vitis girdiana Fred M. Roberts, Sandra Leatherman 2007-11-9 6645 Orange San Juan Canyon along San Juan Creek. 0.2 km E community of San Juan Hot Springs. 222 Comment
  RSA0121781  Vitis girdiana Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6112 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, ca. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  UCR174186  Vitis girdiana A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33033 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
  RSA571288  Vulpia myuros var. hirsuta Steve Boyd, Darin Banks 1994-4-5 8268 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  RSA708529  Washingtonia robusta Fred M. Roberts, Robert L. Allen, Chris Barnhill 2004-8-21 6110 Orange Caspers Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, c.a. 0.4km SW San Juan Ranger Station, north of SR 74. 214 Comment
  IRVC28643  Woodwardia fimbriata Mark A. Elvin, A. C. Sanders 2005-9-2 4498 Orange Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Santa Ana Mtns 457 Comment
  JEPS117738  Woodwardia fimbriata Mark A. Elvin, A. C. Sanders 2005-9-2 4498 Orange Santa Ana Mtns: Mouth of Lion Cyn, just up stream from Lower San Juan Campground. Comment
  UCR174230  Woodwardia fimbriata A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33058 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
  UCR175516  Woodwardia fimbriata Mark A. Elvin, A. C. Sanders 2005-9-2 4498 Orange Peninsular Ranges, Santa Ana Mtns: Mouth of Lion Canyon, just upstream from Lower San Juan Campground 457 Comment
  RSA708732  Xanthium strumarium Fred M. Roberts, Robert L. Allen, Chris M. Barnhill 2004-8-21 6116 Orange Santa Ana Mountains; Casper Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, ca. 0.4 km SW San Juan Ranger Station, N of SR 74. 214 Comment
  RSA733624  Yabea microcarpa Keith E. Hoffmaster 1935-5-5 627 Orange San Juan Canyon., Santa Ana Mts. Comment
  SEINET3895395 Image available Yucca whipplei subsp. whipplei D. W. McNeal 1981-3-30 2438 Orange On a rd. bank above Hwy. #74, 13.9 mi. e. of the jct. of Interstate #5 in San Juan Capistrano.; 0 Comment
  RSA561010  Yucca whipplei var. whipplei Steve Boyd, Timothy S. Ross 1992-5-4 7200 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  CAS-BOT-BC412828  Zeltnera venusta R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49576 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  SD136829  Zeltnera venusta Steve Boyd, Tim Ross 1994-9-14 8353 Orange San Mateo Canyon Wilderness Area of the Cleveland National Forest; Lucas Canyon. 299 Comment
  UC2042143  Zeltnera venusta R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49576 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  UCD170072  Zeltnera venusta R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49576 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74). Along San Juan Creek. 433 Comment
  UCSB47999  Zeltnera venusta Roberts, Fred 1980-6-29 Orange Santa Ana Mtns; Viejo Canyon; 0.4km N Calif Rte 74; 2.2km ENE San Juan Guard Station 103 Comment
  RSA594822  Zigadenus fremontii Fred M. Roberts, Sandy Leatherman, Brian Leatherman 1994-4-24 4916 Orange Santa Ana Mountains: San Juan Canyon, CA route 74, Lower San Juan Picnic Ground. 354 Comment
  RSA594893  Zigadenus fremontii Fred M. Roberts, Sandy Leatherman, Brian Leatherman 1994-4-24 4906 Orange Santa Ana Mountains: San Juan Canyon, south side of CA route 74, 1.2 kilometers SW Lower San Juan Picnic Ground. 390 Comment



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