Search Results — 2000 specimen records retrieved (1897 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG94852  Abies concolor F. C. Vasek 1977-11-25 771125 -6 Riverside Boulder Basin Cmpgrd, just below Black Mtn Look Out Comment
  SBBG95819  Abies concolor F. C. Vasek 1977-11-25 771125 -1 Riverside below Boulder Basin Cmpgrd Comment
  SEINET10719539  Abies concolor var. lowiana Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 18 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  CAS-BOT-BC229320  Abronia villosa Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Along road from Idyllwild to desert Comment
  CSUSB578  Abronia villosa Shirley Hill 1963-2-20 630220 3 Riverside Desert wash where houses end on Vista Chino St., Palm Springs, 500 yards up wash. Comment
  RSA314631  Abronia villosa Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Herbst 1983-4-23 55427 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA461030  Abronia villosa Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  SBBG113406  Abronia villosa D. Wilken with E. Painter` 2000-11-4 15865 Riverside State Hwy 74, 2.5 mi SE of Hurkey Crk, Garner Valley 1400 Comment
  SBBG35008  Abronia villosa T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  SEINET3092160 Image available Abronia villosa D. Hoover 1986-4-7 777 Riverside South of Morongo Valley; main canyon at the BLM gate. 549 Comment
  SFV4378  Abronia villosa F. M. Ball 1964-1-4 s. n. Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  UC912625  Abronia villosa H. L. Mason 1928-3-10 4193 Riverside Whitewater River Comment
  RSA461199  Abronia villosa var. aurita Bonnie C. Templeton 1930-4-9 1078 Riverside North of Palm Springs. Colorado desert. 400 Comment
  SEINET1906751  Abronia villosa var. aurita D. E. Bramlet, Fred M. Roberts, Michael C. Couffer 2004-1 3548 Riverside Perris-Aguanga Basin: South Bernasconi Hills. Adjacent to existing acess road. 244 m S of the Ramona Expressway and 2.2 km W of the San Jacinto River. 487 Comment
  CSUSB582  Abronia villosa var. villosa Wayne White 1975-5-10 Riverside Chuckwalla Mountains On Highway I-10 near Red Cloud Rd. Colorado Desert; Chuckwalla Mountains. 771 Comment
  SJSU10579  Abronia villosa var. villosa T. N. Seeno 1963-4-12 272 Riverside by US Hwy 60 - 70, 20 mi W of Blythe Comment
  RSA0127852  Abronia villosa var. villosa G. Rink 2013-3-20 11901 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  CAS-BOT-BC30902  Acamptopappus sphaerocephalus H. M. Hall 1905-4-1 5869 Riverside Chuckawalla Bench Comment
  CAS-BOT-BC35189  Acamptopappus sphaerocephalus P. A. Munz; Street 1919-5-7 2731 Riverside Tahquitz Canyon 228 Comment
  POM41108  Acamptopappus sphaerocephalus var. sphaerocephalus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UC604854  Acamptopappus sphaerocephalus var. sphaerocephalus Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9539 Riverside 2 mi from Cottonwood Springs; Cottonwood Mts. Comment
  UC68946  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall 1905-4-1 5869 Riverside Chuckawalla Bench; Colorado Desert Comment
  UCR125304  Achillea millefolium A. C. Sanders 2002-11-21 25628 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 457 Comment
  RSA5508  Achnatherum coronatum C. B. Wolf 1932-5-25 3694 Riverside 1/4 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 671 Comment
  SBBG57016  Achnatherum coronatum M. N. Ackley 1928-4-1 14 Riverside Snow Crk, Mt San Jacinto Comment
  SEINET4692065 Image available Achnatherum coronatum Frank W. Gould 1943-1 2128 Riverside 12 miles south of Corona on road to Elsinore Comment
  UC1601392  Achnatherum speciosum H. M. Hall May 1899 1177 b Riverside Riverside, El Toro Mt. El Toro Mt. 1524 Comment
  CAS-BOT-BC384719  Achyronychia cooperi John Thomas Howell 1931-6-5 6655 Riverside 1 mile east of Whitewater Comment
  RSA487427  Acourtia microcephala Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UCR260514  Acourtia microcephala T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7996 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  UCR26997  Acourtia microcephala E. W. Lathrop 1966-5-17 6547 Riverside Santa Ana Mtns., Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  CHSC30431  Adenophyllum porophylloides Jeffrey M. Lund 1980-4-3 51 Riverside One mile west of Corn Springs on the side of an unimproved road. 487 Comment
  RSA0119991  Adenophyllum porophylloides Duncan S. Bell, Thomas Stoughton 2016-4-13 9261 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR137562  Adenostoma fasciculatum A. C. Sanders 2004-5-5 27761 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCSB26901  Adenostoma fasciculatum var. fasciculatum Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mtns. Comment
  UC186704  Adenostoma sparsifolium S. B. and W. F. Parish July, 1881 552 Riverside San Jacinto <Ms.> Comment
Read comments
Mar 1 2011
  UCD112519  Adenostoma sparsifolium Richard Bates 1949-5-21 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  UCR119274  Agave americana Mitch Provance 1998-6-24 756 B Riverside Jurupa Mountains, Glen Avon Heights, property north of the end of Flemming St., and just south of the Glen Avon Quarry. 259 Comment
  JEPS548  Agave deserti W. L. Jepson May 17 1901-Jun 1 1901 1356 Riverside Palm Canyon and return to Van Deventer's Comment
  RSA95111  Agoseris heterophylla var. heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  SD28105  Agrostis idahoensis Carl B. Wolf 1932-8-5 3963 Riverside San Jacinto Mountains, first real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak. Head of fork of Tahquitz Creek. 2743 Comment
  CLARK-A1528-7824  Agrostis scabra John C. Roos 1937-8-18 494 Riverside San Jacinto Mountains Comment
  UCR97757  Alchemilla occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UCSB37488  Alhagi maurorum Clark, Dell 1969-7-2 Riverside 2 miles west of Mecca, Coachella Valley Comment
  SBBG64411  Aliciella latifolia subsp. latifolia M. N. Ackley -Feb-1926 806 Riverside near Edom 64 Comment
  RSA776246  Allionia incarnata Duncan S. Bell 2010-3-20 636 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  UCR169942  Allionia incarnata Scott D. White, Jennifer H. Jones 2005-4-21 10942 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR256701  Allionia incarnata Duncan S. Bell 2012-3-18 3228 Riverside Sonoran (Colorado) Desert, Mecca Hills; mouth of Box Canyon, north side of Coachella Canal 14 Comment
  RSA643670  Allium fimbriatum A. C. Sanders 1995-4-13 16487 Riverside San Bernardino Mountains/ Colorado Desert: Devil s Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. & dirt extension, 1.7 mile above Sierra Blv. 701 Comment
  UCR60495  Allium fimbriatum var. fimbriatum A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6461 Riverside Santa Rosa Mtns., Pinyon Flats, 0.1 mi. south of Hwy 74 on the road to the refuse transfer station and the dolomite mine, south of the campground 1225 Comment
  CAS-BOT-BC131981  Allium haematochiton H. M. Hall 1901-6-1 2096 Riverside In the vicinity of Strawberry Valley 1371 Comment
  UCR144411  Allium haematochiton Scott D. White 2001-4-19 8376 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  SEINET12048030  Allium haematochiton R. F. Thorne, Lathrop, E. 1975-1 45560 Riverside Santa Rosa Plateau, Rancho California, Mesa de Burro 610 Comment
  UCR79484  Allium lacunosum Steve Boyd, T. S. Ross 1992-5-15 7386 Riverside Southern Santa Ana Mtns., Southeastern flank of Elsinore Peak at 'Onion Hill,' a grassy knoll of clay soil c. 0.25 mi SE of radio towers, along old Main Divide Road track. 1021 Comment
  JEPS47552  Allium marvinii Frank W. Peirson 1921-3-19 2394 Riverside 4 mi w Beaumont Comment
  RSA574748  Allium munzii Steve Boyd 1982-4-20 s.n. Riverside Gavilan Hills region, smal remnant of the Gavilan Plateau on ridge east of Estelle Mountain, south of head of Dawson Canyon. 671 Comment
  UCR18124  Allium munzii Steve Boyd 1978-5-15 100 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UC843420  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside e Hemet 640 Comment
Read comments
May 11 2010
  SD67629  Allium praecox I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet, steep slope, decomposed rock. 640 Comment
  SD212697  Allophyllum glutinosum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32497 Riverside Hills between Murrieta and Menifee Valley, West of I-215, South of Bundy Canyon/Scott Road, North of Clinton Keith road. 487 Comment
  UCR281272  Allophyllum glutinosum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 30 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  RSA736738  Amaranthus albus Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10682 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA737105  Amaranthus albus Justin M. Wood 2008-10-29 208 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  SBBG119392  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, planting bed at Home Depot at Pigeon Pass Rd on N side of Hwy 60 503 Comment
  RSA709116  Amaranthus hybridus Scott D. White, Justin Wood 2005-10-4 11236 Riverside Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  RSA782354  Amaranthus palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 124 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  RSA500102  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3668 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
Read comments
Mar 7 2012
  SD187332  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-9-16 10752 Riverside San Jacinto Mountain foothills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  CAS-BOT-BC45009  Ambrosia confertiflora Katherine Esau 1935-6-20 s.n. Riverside Near Beaumont Comment
  HSC78666  Ambrosia dumosa R. F. Thorne, Drs. Fosberg, Herbst, Sachet 1983-4-23 55425 Riverside Mouth of Whitewater Canyon, E of Whitewater Post Office at S end of ridge, in sandy wash E of bridge, and on base of W-facing slope of ridge 412 Comment
  RSA696749  Ambrosia dumosa J. Russell Bruff 1922-04 s.n. Riverside Palm Springs. Comment
  UC61510  Ambrosia dumosa L. D. Copeland 1904-5-1 6 Riverside Palm Springs Comment
  UCD128795  Ambrosia dumosa Geoffrey Levin 1975-4-5 475 Riverside Box Canyon Wash on State Highway 195, 18.3 mi. NE of Jcn. Of 195 and 111 (Mecca). Between Mecca Hills and Orocopia Mountains. 30 Comment
  UCR263655  Ambrosia dumosa David Fraker, Aaron C. Sedgwick 2012-3-22 021 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  CAS-BOT-BC30793  Ambrosia ilicifolia J. C. Roos 1958-3-15 s.n. Riverside 2 1/2 miles S.E. of Desert Center, in the Chuckwalla Mtns. Comment
  CLARK-A1528-5617  Ambrosia ilicifolia John C. Roos 1945-10-25 3147 Riverside Chuckwalla Mountains Comment
  RSA450767  Ambrosia ilicifolia J. C. Roos 1958-3-15 s.n. Riverside 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  RSA764883  Ambrosia psilostachya Justin M. Wood 2010-9-8 2602 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  UCR228833  Ambrosia pumila A. C. Sanders, T. B. Salvato 2011-4-27 39332 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCR232764  Ambrosia pumila John Dvorak, Ana Hernandez 2011-9-7 020 Riverside Perris/Aguanga Basin, north Alberhill, c. 180 m south of the intersection of Lake Street and Temescal Canyon Road, 110 m east of Lake Street 378 Comment
  RSA0008349  Ambrosia pumila R. E. Riefner 1998-9-1 98 -498 Riverside Aguanga, Hwy. 79, Temecula Creek Comment
  UC64800  Ambrosia salsola E. E. Schellenger 1904-2-15 72 Riverside e of town Walters; Colorado Desert Comment
Read comments
Apr 24 2011
  POM259131  Amorpha californica P. A. Munz 1938-8-14 15375 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  POM19489  Amorpha fruticosa Mary F. Spencer 1923-8-17 2191 Riverside Pipe creek, pr. [prope (near)] Thomas Valley, San Jacinto Mt. 1433 Comment
  RSA0120137  Amorpha fruticosa Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9080 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA568712  Amorpha fruticosa Walter Wisura, Bart O'Brien, Lorrae Fuentes 1992-9-20 4831 Riverside Santa Rosa Mtns., 0.5 miles S of Hwy 74 along rd. to Toro Peak. Comment
  SDSU12992  Amorpha fruticosa Michael G. Simpson 1999-10-27 2023 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCSB26801  Amorpha fruticosa Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mtn., 4.0 miles east of California State Highway 74, Santa Rosa Mtns. Comment
  SEINET7073310  Amsinckia eastwoodiae A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  JEPS29301  Amsinckia intermedia Rimo Bacigalupi and L. R. Heckard 1962-3-25 8396 Riverside 5 mi se Corona (just n of Bedford Canyon, hills at e base of Santa Ana Mountains); Santa Ana Mountains 304 Comment
  SD212521  Amsinckia intermedia A. C. Sanders 2006-5-11 32262 Riverside Warm Springs Valley, North edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Avenue and Riverside Drive, Northeast of Alberhill Creek, Northwest of Enterprise way 388 Comment
  UCR154745  Amsinckia intermedia T. B. Salvato, Kent Beaman 2005-5-16 786 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCD119761  Amsinckia menziesii A. C. Sanders; G. Helmkamp 1997-3-15 19982 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill. Comment
  UCR116407  Amsinckia menziesii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24191 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR117647  Amsinckia menziesii Scott D. White, M. Jacobsmeyer 1996-4-20 3977 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  RSA180287  Anagallis arvensis E. W. Lathrop 1965-4-25 5671 Riverside 4 miles Sw of Murrieta. Comment
  RSA654628  Anagallis arvensis Tim Traver 1981-5-11 40 Riverside 3841 Jackson, Riverside. Comment
  CAS-BOT-BC226955  Anemopsis californica A. C. Sanders; John F. Green 2012-5-27 40213 Riverside Peninsular Range; Perris-Aguanga Basin Region: eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  UC284974  Antirrhinum coulterianum P. A. Munz 1923-6-14 7106 Riverside trail from Glen Ivy to Santiago Peak; Santa Ana Mts. 914 Comment
Read comments
Apr 1 2013
  UCR133654  Antirrhinum coulterianum Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR174177  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32596 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR227722  Antirrhinum coulterianum Duncan S. Bell, Joy England 2010-5-27 11125 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 0.8 air mi southeast of junction of Hwy 74 and Forest Service Road 5S15 744 Comment
  UCR98685  Antirrhinum coulterianum S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  JEPS5310  Antirrhinum filipes Marjorie D. Clary 1932-3-15 779 Riverside sw of Coachella; Colorado Desert, Santa Rosa Mts. 152 Comment
  RSA0125282  Antirrhinum filipes Duncan S. Bell 2016-3-4 8787 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  SBBG128625  Antirrhinum kelloggii S. R. Hill, A. C. Sanders 2001-5-4 33716 Riverside N side of Avenida del Oro, just E of jct with Sandia Crk Drive, 2 mi W of jct of Rancho California Rd and Interstate 15; E rim, Santa Rosa Plateau 478 Comment
  CLARK-A1528-4169  Antirrhinum nuttallianum John C. Roos 1966-4-29 Riverside Comment
  UCR119363  Antirrhinum nuttallianum A. C. Sanders 1997-3-19 20050 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  SD129521  Antirrhinum nuttallianum subsp. nuttallianum Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau Area: along Los Gatos Road, I(c) mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diago County line) 366 Comment
  UCR230217  Apiastrum angustifolium A. C. Sanders 2011-4-6 38981 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR27200  Apiastrum angustifolium Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  RSA403092  Apocynum cannabinum L. E. Hoffman 1930-9-2 s.n. Riverside San Jacinto Mts. Riverside. Comment
  UCR133656  Apocynum cannabinum Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  SBBG71703  Aquilegia formosa M. Lewis 1947-8-26 15 Riverside Dark Cyn 1981 Comment
Read comments
Jan 16 2012
  POM307295  Arabis holboellii var. retrofracta Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2157 Riverside Santa Rosa Mountains. Comment
  UC170148  Arbutus menziesii Geo. R. Hall 1912-1-1 Riverside Santiago Peak; Santa Ana Mountains, Santiago Peak 1524 Comment
  RSA629141  Arctostaphylos Jon E. Keeley 1992-7-16 16564 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629430  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16842 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  RSA629479  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16838 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  SD128324  Arctostaphylos glandulosa R. Mitchel Beauchamp 1971-5-15 2411 Riverside San Jacinto Mountains; Black Mt. campground. Open areas of forest. 2207 Comment
  UCR26224  Arctostaphylos glandulosa John C. Roos 1947-3-15 3328 Riverside San Jacinto Mtns, grade above the San Jacinto River 1067 Comment
  UCR273496  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42620 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  RSA629374  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16861 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629376  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16858 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UC21899  Arctostaphylos glandulosa subsp. zacaensis W. L. Jepson May 17 1901-Jun 1 1901 1289 Riverside s side San Jacinto Mts. 1584 Comment
  CAS-BOT-BC24669  Arctostaphylos glauca Philip A. Munz 1953-5-31 18516 Riverside Ridge between Juniper Flats and Stubby Springs, Joshua Tree National Monument. 1402 Comment
  POM49844  Arctostaphylos glauca P. A. Munz, I. M. Johnston 1924-7-29 8877 Riverside Poppet Flat, San Jacinto Mts. 1524 Comment
  RSA631735  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19283 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631811  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21803 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA632645  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16558 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA632650  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16559 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UCR94266  Arctostaphylos glauca Scott D. White 1996-4-14 3922 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA633545  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22671 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633550  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21788 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633574  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16677 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633689  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16653 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633704  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16674 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633706  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16670 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633747  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21798 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  CAS-BOT-BC46554  Arctostaphylos patula F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley. 2438 Comment
  RSA783228  Arctostaphylos pringlei J. D. Olmsted 1962-5-2 3467 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  POM15030  Arctostaphylos pringlei subsp. drupacea Mary F. Spencer 1922-7-2 1980 Riverside Tahquitz trail. Idyllwild. San Jacinto Mt. 1829 Comment
  RSA701750  Arctostaphylos pringlei subsp. drupacea Steve Boyd, Valerie Soza 2004-6-22 11552 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  SBBG59984  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, 1.5 mi from Idyllwild on rd to Banning 1706 Comment
  SD229128  Arctostaphylos pringlei subsp. drupacea Dick Schwenkmeyer 2012-8-27 801 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  UCR135826  Arctostaphylos pringlei subsp. drupacea Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9013 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  CAS-BOT-BC44813  Arctostaphylos pungens Winfield 1975-5-4 2423 Riverside James - San Jacinto Reserve 1615 Comment
  RSA635768  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16730 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635792  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16593 Riverside Standley Rd., south of Red Mtn. Rd., 8.5 km east of R3. 900 Comment
  CAS-BOT-BC46258  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail 462 Comment
  RSA636014  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18803 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636016  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18801 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636163  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19469 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  SD180726  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 410 Riverside Santa Margarita Ecological Reserve, on ridgeline above the Santa Margarita River to the south. 299 Comment
  UCSB44665  Argemone corymbosa Hibbard, Doug 1977-5-15 Riverside Off west side of Hwy 74, 8.45 miles from its intersection with Hwy 111 679 Comment
  UC9886  Argemone munita Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UCR16460  Argemone munita Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, about 25 km from Chuckwalla Bench 450 Comment
  RSA66307  Argemone munita subsp. munita F. W. Peirson 1925-5-20 6015 Riverside Burned area in chaparral, 1 mile northwest of Dripping Spring, W. Riverside Co. 457 Comment
  SEINET4085707  Argemone munita subsp. munita O. M. Clark 1932-1 5108 Riverside South Hemet. Comment
  CAS-BOT-BC207117  Argythamnia lanceolata Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11225 Riverside Western base of the Chocolate Moutnains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Comment
  CAS-BOT-BC207118  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCR74394  Aristida adscensionis Theo Glenn 1991-4-30 91- 65 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  POM7039  Aristida adscensionis var. modesta P. A. Munz, L. T. Street, G. Williams 1919-3-26 2359 Riverside Salton Sea. Comment
  UCR2173  Aristida purpurea var. purpurea F. M. Reed 1906-7-8 1129 Riverside Plains near the Salt Lake RR, West Riverside Comment
  UCR59703  Aristida purpurea var. wrightii A. C. Sanders 1989-9-19 9497 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  UCR117105  Aristida ternipes var. gentilis A. C. Sanders, T. B. Salvato 2001-5-16 24301 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  CAS-BOT-BC90195  Artemisia californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, W. Colo. Desert 304 Comment
  SDSU13665  Artemisia dracunculus W. Miller 1972-8-9 Riverside Comment
  UCD129327  Artemisia ludoviciana subsp. albula E. K. Balls; P. C. Everett 1957-11-4 22747 Riverside Snow Creek, about old Fish Hatchery, north base of San Jacinto Mountains. 701 Comment
  UCR21345  Artemisia ludoviciana subsp. incompta Frank C. Vasek 1966-9-5 660905- 06 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  CAS-BOT-BC93480  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1097 Comment
  CLARK-A1528-7777  Asclepias albicans John C. Roos 1965-7-23 Riverside Eagle Mountains Comment
  RSA0026078  Asclepias albicans J. Andre 2012-3-19 21333 Riverside Chuckwalla Mountains; north end of range at Jaeger Nature Sanctuary, 1.5 miles south of junction Eagle Mountain Road and I-10 freeway. 411 Comment
  SBBG14403  Asclepias erosa E. R. Blakley 1961-9-12 4706 Riverside 20 mi W of Blythe at wash crossing of US Hwy 60-70 106 Comment
  JEPS5154  Asclepias subulata W. L. Jepson 1914-5-18 6030 Riverside County Well n Indio; Colorado Desert, County Well Comment
  UCR147805  Asplenium vespertinum Steve Boyd, Aydee Virgen 2004-4-13 10896 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR121101  Aster subulatus A. C. Sanders 2001-9-23 24875 Riverside San Bernardino Valley region, Riverside, Castle Park in La Sierra, 91 Fwy at Polk St. 220 Comment
  CAS-BOT-BC295358  Astragalus N. Aitkenhead 1977-2-1 2154 Riverside ~1 mi. E. of junction of T/L & Dillon Rd. in No. Palm Springs Comment
  RSA415777  Astragalus aridus M. B. Dunkle 1934-3-18 3856 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  CAS-BOT-BC177529  Astragalus bicristatus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  CAS-BOT-BC177719  Astragalus crotalariae Alice Eastwood 1919-3-15 7991 Riverside Indio Comment
  RSA670366  Astragalus crotalariae B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Jan 4 2012
  SBBG3168  Astragalus crotalariae H. and M. Dearing 1949-12-3 4065 Riverside NE end of Salton Sea Comment
  UC702806  Astragalus deanei Charles B. Fiker 1946-5-30 3492 Riverside on Highway 395 dip s Temecula River Bridge Comment
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Aug 12 2016
  RSA0043134  Astragalus didymocarpus var. obispoensis C. B. Wolf 1935-4-7 6301 Riverside 2 mi. SW of Perris. 427 Comment
  UCR269107  Astragalus douglasii var. douglasii Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4549 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  POM12086  Astragalus douglasii var. parishii Mary F. Spencer 1921-6-1 945 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  CAS-BOT-BC186898  Astragalus insularis var. harwoodii C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin Comment
  SEINET13752370  Astragalus insularis var. harwoodii Heather Breakiron 2017-3-25 4 Riverside 10 miles ESE of Blythe, along power line road that funs east and west of new solar plant Comment
  RSA0006768  Astragalus insularis var. harwoodii J. C. Roos, Lucille Roos 1949-4-11 4241 Riverside Corn Spring, Cuckawalla Mts. Comment
  CAS-BOT-BC187119  Astragalus lentiginosus var. borreganus H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert 240 Comment
  LA204979  Astragalus lentiginosus var. coachellae Martha Hilend; 1928-5-15 180 Riverside S of Garnet Station Comment
  RSA254136  Astragalus lentiginosus var. coachellae Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6488 Riverside Chuckwalla Valley, 9.5 miles northeast of Desert Center 168 Comment
  UCR134333  Astragalus lentiginosus var. coachellae John F. Green 2004-4-8 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Cathedral City, site of proposed percolation basin c. 300-400 m west of the Whitewater River, 0.25 mi. NE of the north end of San Joaquin Dr. 122 Comment
  SEINET6180770  Astragalus mohavensis var. mohavensis C. L. Hitchcock 1940-4-3 5930 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument.; 0 Comment
  LA205563  Astragalus nuttallianus var. cedrosensis Philip A. Munz; D. Keck 1922-4-12 4846 Riverside Chuckwalla Mountains, vicinity of Corn Springs 670 Comment
  RSA0126279  Astragalus nuttallianus var. cedrosensis Duncan S. Bell 2016-3-4 8809 Riverside Orocopia Mountains; northwestern section of the range, small canyon approximately 4 air miles north northwest of the summit of the Orocopia Mountains. 627 Comment
  UCR101917  Astragalus pachypus var. jaegeri R. S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran (Colorado) Desert Transition:, Horse Canyon, off Coyote Canyon Comment
  UCR95238  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 1000 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 300 m east of the Dripping Springs Guard Station 488 Comment
  CAS-BOT-BC194145  Astragalus pomonensis Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula Comment
  RSA0003063  Astragalus pomonensis Marcus E. Jones 1882-4-24 3166 Riverside Temecula Comment
  UC863053  Astragalus sabulonum Lewis S. Rose 1938-2-1 38011 Riverside 10 mi w Blythe (desert); w of Blythe 121 Comment
  UCR187472  Athyrium filix-femina Diane Menuz, Angela Hyde 2006-8-24 236 Riverside Peninsular Range; San Jacinto Mtns, North Fork San Jacinto River c. 100 m below FS Rd. 5S09, below Indian Mountain 1331 Comment
  CHSC35469  Athysanus pusillus James Henrickson 1973-3-18 8593 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  RSA614289  Athysanus pusillus D. L. Banks, V. W. Steinmann 1997-3-13 1519 Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UC724310  Atrichoseris platyphylla Aven Nelson, Ruth A. Nelson 1939-3-29 3328 Riverside near Mecca; Hidden Springs Canyon Comment
  SEINET3930042  Atriplex argentea var. mohavensis Steve Boyd 1985-8-7 1117 Riverside Murrieta area, Clinton Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
  OBI38366  Atriplex canescens David J. Keil 1980-11-30 s.n. Riverside At Whitewater along I-10 Comment
  SBBG1754  Atriplex canescens H. and M. Dearing 1939-11-12 4026 C Riverside near Banning Comment
  UC1007110  Atriplex canescens W. M. Ingram October 1934 4 Riverside Edom Colorado Desert, Edom Comment
  UC1303124  Atriplex canescens Carl B. Wolf 1932-10-13 4316 Riverside 4 1/2 mi se Mecca (Caleb (Southern Pacific railway siding), Colorado Desert); Colorado Desert, Caleb, se of Mecca 60 Comment
  RSA289864  Atriplex canescens subsp. canescens B. A. Prigge 1980-12-15 4108 Riverside Coachella Valley Stormwater Channel: 3 miles S of Mecca where Lincoln Street crosses channel. -67 Comment
  RSA0078485  Atriplex canescens var. canescens Sarah J. De Groot, Duncan S. Bell 2015-9-21 7582 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Near Potrero Sping near head of Potrero Canyon, west of Dunn Road, northwest of Asbestos Mountain, southwest of Haystack Mountain. 1084 Comment
  RSA0066133  Atriplex canescens var. macilenta Stephanie Rockwood, Christi Gabriel 2011-10-18 125 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  SEINET13262592 Image available Atriplex canescens var. macilenta A. C. Sanders 2010-1 37627 Riverside Durmid, east side of the Salton Sea, between Hwy 111 and the RR just north of the Imperial Co. line, 9 miles south of North Shore (Desert Beach), just below Bat Caves Buttes -59 Comment
  RSA537267  Atriplex coulteri D. E. Bramlet 1991-5-10 2149 Riverside 6.5 miles west of hemet, approximatly 500 m south and west of the ntersection of Warren and Florida (Hwy 74) and 80 miles east of the MWD San Diego Canal. 457 Comment
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Feb 3 2015
  UCR91926  Atriplex elegans George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  RSA0009703  Atriplex elegans var. fasciculata Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA0042832  Atriplex hymenelytra Duncan S. Bell, Deidre Conocchioli 2014-3-18 6246 Riverside Orocopia Mountains; southern section of range; Gucci Spring. 416 Comment
  UC69316  Atriplex hymenelytra L. A. Greata Apr. 1905 Riverside Coachella Comment
  UCR265195  Atriplex hymenelytra David Fraker, Aaron C. Sedgwick 2012-5-9 97 Riverside Sonoran (Colorado) Desert, wash c. 1 mile north of the Bradshaw Trail [off Salt Creek Wash] 405 Comment
  CAS-BOT-BC169293  Atriplex lentiformis John Thomas Howell 1928-11-4 4082 Riverside 3 miles nw of Mecca on road to Indio, Coachella Valley Comment
  POM278733  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 582 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  SEINET4135315  Atriplex linearis Stewart C. Sanderson 1993-11-18 93 -040 Riverside Mile 6, CA 11, Salton Sea, beaches turnoff.; 0 Comment
  RSA737225  Atriplex prostrata Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CLARK-A1528-4995  Atriplex rosea John C. Roos 1965-8-4 Riverside Arlington Comment
  RSA0038512  Atriplex suberecta R. E. Riefner Jr. 2012-3-31 12 -64 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  UCR205964  Atriplex suberecta Scott D. White 2001-7-9 8722 Riverside Perris-Aguanga Basin, Menifee, c. 1 mile southwest of Bell Mountain and 0.5 mile east of I-215 Fwy 457 Comment
  CAS-BOT-BC213221  Ayenia compacta Frank W. Peirson 1922-4-9 9600 Riverside Andreas Canyon, Palm Springs Region 457 Comment
  POM299250  Ayenia compacta A. M. Alexander, Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, Eagle Mts. 823 Comment
  SDSU13946  Baccharis emoryi Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2150 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA346264  Baccharis salicifolia R. F. Thorne 1980-4-16 54042 Riverside San Bernardino Mts: White Water River, S of bridge, just W of Whitewater 396 Comment
  RSA5444  Baccharis salicifolia C. B. Wolf 1932-5-25 3672 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  SD224825  Baccharis salicifolia A. C. Sanders, S. Hawkins, J. Goetzen & D. Freeman 1996-5-1 18109 Riverside San Bernadino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1096 Comment
  HSC84128  Baccharis salicina B. Pitzer, D. Hawks 1986-12-2 363 Riverside Temescal Canyon, ca. 1 mile N of Glen Ivy Hot Springs and 0.5 mile W of Hwy. I-15, off Lawson Drive between Temescal Canyon Rd. and Warm Springs Rd. 335 Comment
  RSA502185  Baccharis sergiloides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3711 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  UC1118933  Baccharis sergiloides H. S. Yates 1936-6-4 5413 Riverside Palm Springs San Jacinto Quad. 137 Comment
  POM10164  Bahiopsis parishii Philip A. Munz 1921-4-30 4503 Riverside Pinyon Wells 1220 Comment
  RSA1081  Bahiopsis parishii J. T. Howell 1927-4-1 527 Riverside Mission Creek, Colorado Desert 610 Comment
  SD229076  Bahiopsis parishii Dick Schwenkmeyer 2012-5-22 714 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SJSU10602  Bahiopsis parishii R. C. McGehee 1970-4-30 243 Riverside Corn Springs Canyon 4 miles W of Corn Springs Campground, 18 miles SE of Desert Center Comment
  UCR172262  Baileya multiradiata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  JEPS20785  Baileya pauciradiata Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13232 Riverside 2.4 mi s of Rice (on road to Midland and Blythe) Comment
  JOTR16563  Baileya pauciradiata Dengler, A. 1966-3-31 46 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  POM350662  Baileya pauciradiata N. C. Cooper 1942-4-17 558 Riverside Palm Springs Comment
  UC665908  Baileya pauciradiata Ira L. Wiggins 1941-3-27 9687 Riverside 8 mi ne of, s end of Coxcomb Mts. Desert Center; Coxcomb Mountains Comment
  OBI16935  Bebbia juncea H. E. McMinn 1935-6-27 4066 Riverside Palms to Pines Highway Comment
  POM308647  Bebbia juncea Henry J. Ramsey 1937-5-9 3202 Riverside Near Desert Center. Comment
  JEPS108702  Bebbia juncea var. aspera R. Kobaly, A. Singer, C. Spurrier, D. Thompson, M. J. Way, J. Willouby 2001-6-12 1 Riverside San Gorgonio Wilderness, Whitewater Canyon, 4.8 km N of Hwy 10 570 Comment
  UC68957  Bebbia juncea var. aspera H. M. Hall 1905-4-1 5841 Riverside near Salton; Colorado Desert -45 Comment
  CLARK-A1528-2274  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 487 Comment
  SEINET238479 Image available Bergia texana A. C. Sanders, Mitch Provance 1999-9-26 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden 433 Comment
  UCR89779  Bergia texana Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA102341  Bernardia incana S. B. Parish, W. F. Parish 1882-03 752 Riverside Borders of the Colorado Desert, Whitewater. Comment
  UCD142300  Bernardia incana Nancy Ryan Zabriskie; Walter Zabriskie 1972-4-9 510 Riverside Santa Rosa Mts.; small canyon NW from Hwy 74 at 81.72. 1219 Comment
  SEINET6062232  Bernardia myricifolia Unknown Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR89595  Bernardia myricifolia Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  RSA652924  Bloomeria crocea A. C. Sanders 1997-5-1 20623 Riverside along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  JOTR30259  Boechera lincolnensis Leary, C. and Leary, Pat 1979-5-6 3026 Riverside Joshua Tree National Park. Just S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 1463 Comment
  JEPS44372  Boechera retrofracta Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4250 Riverside just below Toro Peak (i.e. s of the saddle e of the peak); Santa Rosa Mts. 2499 Comment
  JOTR30986  Boechera xylopoda La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1964 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  UCR242290  Boerhavia erecta var. intermedia A. C. Sanders, T. B. Salvato 2012-10-12 40419 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  CAS-BOT-BC434534  Boerhavia triquetra Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  JOTR30815  Boerhavia triquetra La Doux, Tasha, Jim Andre 2008-9-16 336 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  JOTR34997  Boerhavia wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3099 Riverside Joshua Tree National Park. Pinto Basin, Route 111, north of sand hills Comment
  RSA778409  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-5 58 Riverside Corn Springs Wash off Corn Springs Road. Corn Springs exit from I10. Chuckwalla Mountains Wilderness. 416 Comment
  UCR130149  Bolboschoenus maritimus subsp. paludosus Carl Epling, Joseph A. Ewan 1933-1 s.n. Riverside South shore of Lake Elsinore 378 Comment
  UCR281567  Bolboschoenus maritimus subsp. paludosus Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-30 517- 122 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  RSA719269  Bouteloua aristidoides var. aristidoides Michael Honer, L. Hulse 2004-4-3 1917 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  SEINET10835065  Bouteloua barbata David B. Dunn 1946-3-15 Dunn 2027 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills, sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  CAS-BOT-BC224907  Bowlesia incana A. C. Sanders 2011-4-6 39019 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  SD137928  Bowlesia incana Darin L. Banks, Steve Boyd 1995-3-16 103 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; east of the Dripping Springs Alcove, north slope of Wildhorse Peak, on Wildhorse Trail 609 Comment
  UCR159770  Bowlesia incana Scott D. White 1999-5-2 7281 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., c. 1.5 - 2 mi west of I-215 freeway 442 Comment
  SBBG89122  Boykinia rotundifolia F. C. Vasek 1987-7-14 870714 -1 Riverside Vista Grande Rd (USFS Rd 3S08) 1524 Comment
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Jun 7 2008
  JOTR31887  Brandegea bigelovii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2138 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  OBI14836  Brandegea bigelovii Lewis S. Rose 1957-1-8 57018 Riverside Palm Desert 91 Comment
  PASA1872  Brandegea bigelovii 1928-3-3 Riverside Hidden Springs Canon Col. Desert Comment
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Aug 27 2016
  UC68779  Brandegea bigelovii H. M. Hall Apr. 1905 5896 Riverside Colorado Desert, Chuckwalla Springs Colorado Desert; , Chuckwalla Springs Comment
  UCR245073  Brandegea bigelovii A. C. Sanders, T. B. Salvato 2012-10-12 40413 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  RSA0009701  Brandegea bigelovii Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  UCR104627  Brassica kaber D. E. Bramlet 1996-5-4 2466 Riverside San Jacinto Valley, San Jacinto Wildlife Area, at the entrance to Marsh A, approximately 15 m from the southern levee of Pond No. 1, approximately 1.5 km NE of the reserve entrance at Davis Road 433 Comment
  UCD114635  Brassica tournefortii A. C. Sanders 1988-1-30 s.n. Riverside Eastern foothills of the Santa Ana Mountains, ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80-acre property to the NW; N of Cherry St., W of Adams Ave., S of Meadowlark Ridge Lane and Elm St. Beside Warm Springs Creek, SW of Adams St. 327 Comment
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Mar 28 2014
  RSA596108  Brickellia californica Darin L. Banks 1996-11-7 1204 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  RSA621892  Brickellia californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3679 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  SBBG96025  Brickellia desertorum O. F. Clarke 1969-10-8 Riverside UC Riverside, S side of campus Comment
  UCR89530  Brickellia incana Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Park, E side of Hexie Mtns, Porcupine Wash, below the point where the wash joins Ruby Lee Canyon. 735 Comment
  SD135112  Brickellia oblongifolia var. linifolia Craig Reiser, Dylan Hannon 1993-5-30 Riverside Near Santa Rosa Peak Comment
  POM11651  Brodiaea filifolia Philip A. Munz, I. M. Johnston 1922-5-19 5412 Riverside 1 mi E of Perris Comment
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Jul 6 2009
  UCR60372  Brodiaea jolonensis R. Balsamo 1989-5-7 s.n. Riverside Santa Ana Mtns/Santa Rosa Plateau, The Nature Conservancy's Santa Rosa Plateau Preserve, 4.1 mi west of Hwy I-15 on Clinton Keith Rd., directly across the road from vernal pools 762 Comment
  SBBG54317  Brodiaea orcuttii C. Davidson 1977-5-25 5654 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
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Oct 31 2016
  UCR43786  Brodiaea terrestris subsp. kernensis R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60643 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: Mesa de Colorado 625 Comment
  LA13864  Bromus berteroanus F. M. Reed; 1909-4-7 1274 Riverside Box Spring Mountains Comment
  RSA618392  Bromus diandrus D. L. Banks 1997-5-5 1971 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR108872  Bromus grandis Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA595314  Bromus hordeaceus D. L. Banks, Victor Steinmann 1996-4-20 886 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  RSA507961  Bromus marginatus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2279 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  CLARK-A1528-4544  Bromus mollis John C. Roos 1939-5-27 Riverside Reche Canyon Comment
  SDSU955  Bromus orcuttianus var. hallii H. Wedberg 1962-7-28 1001 Riverside On dirt road about 2.5 miles N from Black Mtn Publ. Campground, in opening of montane forest with Bracken, P. jeffreyi, Ceanothus cordulatus. San Jacinto Mountains. 2286 Comment
  UCR138913  Bromus rubens Julie A. Greene 1993-4-3 1099 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of permanent pond 441 Comment
  UCR2247  Bromus rubens F. M. Reed 1907-5-26 1377 Riverside Riverside, Evan's Spring Brook pasture 250 Comment
  UCR243571  Bromus tectorum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21107 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UCR58480  Bromus tectorum Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  RSA0019727  Bromus tectorum F. M. Reed 1933-5-31 7923 Riverside Santa Rosa Mountains: desert slope, Santa Rosa Indian Reservation, near the bridge on the Palmes to Pines Highway. 823 Comment
  RSA658969  Bromus unioloides Margaret Murphy 1983-5-21 31 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR18980  Caesalpinia virgata John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Cactus City, just east of the Mecca Hills on Interstate Hwy 10 [and 25 mi. east of Indio]. 500 Comment
  UCR25957  Caesalpinia virgata John C. Roos 1947-3-15 3353 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  UCR86192  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  RSA550018  Calandrinia ciliata Walter Wisura, A. King, L. Newcomb 1992-4-10 4679 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  UCR174105  Calandrinia ciliata A. C. Sanders 2006-5-19 32422 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR250914  Calandrinia ciliata A. C. Sanders 2014-4-18 41031 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  RSA198957  Callitriche marginata R. F. Thorne 1968-5-8 37574 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  SEINET10531058  Calocedrus decurrens David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46538 Riverside Native tree collected in the vicinity of Idylwild in the San Jacito Mts. 2134 Comment
  UCR178331  Calochortus concolor T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 614 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA663321  Calochortus plummerae Mitch Provance 1998-6-9 631 Riverside Jurupa Mountains: SE Pyrite Canyon, ca .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  UCR174563  Calochortus splendens Jennifer H. Jones 2006-6-6 388 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  UCR175072  Calochortus splendens Teresa Nieto 2005-4-24 16 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SEINET12045038  Calochortus weedii C. B. Wolf 1941-1 10899 Riverside Santa Ana Mts. Ortega Hwy, 0.3 mi E of its summit 762 Comment
  RSA388327  Calycadenia tenella Steve Boyd 1986-5-7 1837 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA791486  Calycoseris parryi J. Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21075 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  POM98995  Calycoseris parryi E. C. Jaeger 1926-3-20 s.n. Riverside Pinto Mts. 915 Comment
  CHSC99602  Calycoseris wrightii LeRoy Gross 2005-3-3 1582 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  SEINET7063460  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside San Jacinto Valley. UTM Zone 11, 497479mE, 3743001mN. (WGS84/NAD83). 442 Comment
  UCR103280  Calyptridium monandrum B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3588 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  RSA192221  Calystegia macrostegia subsp. arida E. W. Lathrop 1966-5-1 6232 Riverside 3 miles W of Murrieta Comment
  UCR116511  Calystegia macrostegia subsp. arida A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20669 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR169310  Camissonia T. B. Salvato, John F. Green 2004-5-27 590 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CSUSB171  Camissonia bistorta Eric Trubschenck 1972-5-8 10 Riverside 12 miles east of Riverside, one mile south of intersection of Alessandro Blvd. and Wilnot Street. Canyon north-running in east-to-west granite hills. 365 Comment
  RSA612487  Camissonia bistorta D. L. Banks 1997-2-23 1330 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR111999  Camissonia bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23428 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR162765  Camissonia bistorta S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA175081  Camissonia boothii subsp. condensata Robert F. Thorne 1963-3-29 32426 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  CLARK-A1528-5708  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  SEINET10389808  Camissonia brevipes A. C. Sanders, Jim Malusa 2015-3-11 41399 Riverside Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 674 Comment
  RSA135257  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11440 Riverside Colorado Desert. with parents, only a few individuals and parents rarely growing together, on desert alluvial fan of Fargo Canyon. Comment
  RSA135608  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11483 Riverside 11.3 miles W of Shavers Summit. Comment
  RSA12116  Camissonia californica Mary F. Spencer 1921-5-30 348 Riverside San Jacinto Mountains, wayside in San Jacinto. 549 Comment
  SEINET1004493  Camissonia californica T. B. Salvato, Kent Beaman 2005-1 849 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista just downstream from the Forest Service Boundry and N of CA Hwy 74. 549 Comment
  JEPS31800  Camissonia campestris W. L. Jepson May 17 1901-Jun 1 1901 1251 Riverside San Jacinto Comment
  UC140593  Camissonia campestris subsp. campestris C. F. Baker 1904-4-5 4115 Riverside Hemet Comment
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Jul 4 2010
  POM13156  Camissonia cardiophylla P. A. Munz, D. Keck 1922-4-9 4785 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA454743  Camissonia cardiophylla Robert Gustafson 1981-4-7 2159 Riverside Western end of Salt Creek Wash, along the southern margin of the Orocopia Mts. 61 Comment
  JOTR31900  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2149 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  UCR168447  Camissonia chamaenerioides Mary F. Spencer 1920-4-7 1465 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Canyon 244 Comment
  NY679520  Camissonia cheiranthifolia N. D. Atwood 1993-3-27 17699 Riverside Corona del Mar State Park along Newport Coast Drive. 0 Comment
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Jul 14 2012
  CLARK-A1528-3329  Camissonia claviformis John C. Roos 1966-3-20 Riverside Comment
  CLARK-A1528-5363  Camissonia claviformis John C. Roos 1947-2-15 3267 Riverside Eagle Mountains Comment
  IRVC27410  Camissonia claviformis T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 53 Riverside 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal Coachella Valley 9 Comment
  RSA781810  Camissonia claviformis Duncan S. Bell 2010-5-1 889 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  SEINET10492060  Camissonia claviformis David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3759 Riverside Found at top of hills to the w of wash. Pushawalla canyon, indio hissl of the colorado desert; w of indio. Comment
  RSA444316  Camissonia claviformis subsp. aurantiaca Walter Wisura 1988-3-1 4185 Riverside In wash off I 10 at beginning of Box Canyon Road toward Mecca. Comment
  SEINET3093239 Image available Camissonia confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mountains, upper part of the trail toward Spitler Peak from Hurkey Creek camp to Bonita Vista Road. Comment
  SEINET7073306  Camissonia contorta A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
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Jun 24 2020
  RSA448992  Camissonia hirtella Robert Gustafson 1983-4-18 2505 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  RSA496463  Camissonia hirtella Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3079 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  UCR163340  Camissonia hirtella T. B. Salvato, Kelly Volansky 2003-3-27 133 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR265813  Camissonia hirtella Mitch Provance 2012-5-24 512- 03 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  RSA500993  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3112 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  UCR110976  Camissonia intermedia George K. Helmkamp 1998-6-27 4086 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA0014606  Camissonia micrantha Justin M. Wood 2010-5-12 1681 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  POM6697  Camissonia pallida subsp. hallii P. A. Munz, L. T. Street, G. Williams 1919-3-28 2363 Riverside San Gorgonio Pass, near Banning 701 Comment
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Sep 12 2011
  RSA449237  Camissonia pallida subsp. pallida Anstruther Davidson 1926-3-1 3613 Riverside Colorado Desert. Comment
  RSA458837  Camissonia pallida subsp. pallida N. R. Zabriskie 1973-4-5 621 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  RSA550354  Camissonia refracta Walter Wisura, J. Dolan, M. Wall 1992-3-24 4634 Riverside 13.1 mi NE of Mecca on Box Canyon Rd. seed voucher Comment
  CLARK-A1045-74  Camissonia strigulosa George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains roadside; Kensworthy Forest Station; Idyllwild 15' Q Comment
  RSA614409  Camissonia strigulosa D. L. Banks 1997-3-16 1542 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UC1979553  Camissoniopsis hirtella Darin L. Banks, Steve Boyd 1995-5-9 371 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UC147159  Camissoniopsis pallida subsp. hallii H. M. Hall 1897-4-17 446 Riverside Banning Colorado Desert (edge of Colorado Desert) Comment
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Mar 21 2011
  RSA0123365  Camissoniopsis pallida subsp. pallida Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9039 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA465933  Camissoniopsis pallida subsp. pallida Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  UCSB4505  Camissoniopsis pallida subsp. pallida Gunnerson, Robert 1953-3-22 Riverside Devil's Garden Comment
  UCR109622  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1970-3-30 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  CAS-BOT-BC18184  Carex D. E. Breedlove 1961-7-29 870 Riverside San Jacinto Mountains. Fuller Mill Creek where it crosses Riverside Highway #1. 1645 Comment
  UCR105727  Carex abrupta L. C. Wheeler 1961-6-20 7895 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  CAS-BOT-BC18027  Carex athrostachya Peter Kamb 1948-7-4 1177 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  POM49093  Carex heteroneura Phillip A. Munz, I. M. Johnston 1924-7-27 8770 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  SBBG59305  Carex multicaulis R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  UC837255  Carex nebrascensis P. A. Munz 1922-9-6 6393 Riverside Round Valley San Jacinto Mts. 2743 Comment
  CAS-BOT-BC117871  Carex sartwelliana P. M. Kamb 1947-5-17 525 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  POM19849  Carex sartwelliana Mary F. Spencer 1923-6-12 2164 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA627574  Carex sartwelliana Scott D. White 1998-7-31 6950 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  RSA711756  Cassia eremophila O. F. Clarke 2002-3-11 s.n. Riverside O.F. Clarke residence, 266 Frost Court. 351 Comment
  JEPS46520  Castela emoryi E. E. Schellenger May 1920 Riverside Hayfields e Mecca (Colorado Desert); , Hayfields e of Mecca Comment
  SD7122  Castilleja affinis Daniel Cleveland 1882-5-4 Riverside Temecula Comment
  SDSU14031  Castilleja affinis subsp. affinis Dinna Estrella, M. G. Simpson 2002-4-20 19 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside station. 341 Comment
  UCR146438  Castilleja applegatei subsp. martini R. F. Thorne, Et al. 1969-6-24 38086 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  POM19581  Castilleja applegatei subsp. martinii Mary F. Spencer 1923-7-18 2233 Riverside San Jacinto Mts. 2439 Comment
  UCR121783  Castilleja exserta A. C. Sanders, Carolyn Washburn 2001-4-17 24051 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR154973  Castilleja exserta A. C. Sanders, Kelly Volansky 2005-3-17 29212 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR86882  Castilleja exserta A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16292 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  CLARK-A1528-845  Castilleja foliolosa Fred B. Essig 1967-4-2 Riverside 761 Comment
  RSA559440  Castilleja foliolosa Steve D. Boyd 1992-4-15 6852 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SBBG54975  Castilleja foliolosa D. Keil, M. McLeod 1977-3-26 12006 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  UCSB6029  Castilleja foliolosa Gill, Robert 1959-3-14 Riverside road to Black Star Cyn (Oak Flat); from Corona side; Santa Ana Mt. Range 365 Comment
  POM43759  Castilleja linariifolia Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  SD136752  Castilleja minor subsp. spiralis Steve Boyd, T. Ross, D. Bramlet 1993-5-12 7329 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  RSA0010917  Castilleja minor subsp. spiralis Mary F. Spencer 1923-1 2262 Riverside Idyllwild 1037 Comment
  RSA769505  Casuarina cunninghamiana subsp. cunninghamiana Justin M. Wood 2010-1-5 1408 Riverside City of Corona: Pomona-Rincon Rd, 0.2 miles N of intersection with Railroad St. 165 Comment
  CAS-BOT-BC41105  Caulanthus heterophyllus A. C. Sanders; G. Helmkamp 1997-3-15 19947 Riverside Lake Skinner Area. Hill (1864) east of Skinner Lake at northwest end of Tucalota Hills. 488 Comment
  RSA651818  Caulanthus inflatus J. Bruce Smiley 1940-3-19 s.n. Riverside 3,000 ft. Mojave (west) 914 Comment
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Mar 10 2013
  UCR68471  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4115 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  RSA0043377  Caulanthus major John F. Emmel 1996-6-16 1409 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  RSA25590  Ceanothus crassifolius Carl B. Wolf 1941-6-27 10898 Riverside Santa Ana Mts. Ortega Hwy, 3.3 miles E of Orange County line. 579 Comment
  UCSB3859  Ceanothus crassifolius Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon 335 Comment
  RSA399039  Ceanothus cuneatus M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 588 Comment
  RSA575062  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -g Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA701745  Ceanothus cuneatus Steve Boyd, Valerie Soza 2004-6-22 11542 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA0019577  Ceanothus cuneatus var. cuneatus Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  HSC88837  Ceanothus greggii T'ai Roulston, Robin Bencie, Rich Dwerlkotte 1989-3-22 112 Riverside 2 mi N of Anza-Borrego State Park in Nicholias Canyon 1300 Comment
  LA44861  Ceanothus leucodermis W. Pequegnat; 1938-4-16 sn Riverside Santa Ana Mountains, Indian Truck Trail Comment
  UCD162843  Ceanothus leucodermis D. O. Burge 2015-3-17 1693 Riverside Rainbow area. 410 Comment
  UCR138754  Ceanothus leucodermis Scott D. White 1997-5-18 5183 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  RSA0019590  Ceanothus oliganthus var. oliganthus M. French Gilman 1928-3-13 s.n. Riverside Canyon on north slope of San Jacinto Mountains, between Cabazon and Whitewater. Comment
  RSA606748  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27400 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA0019595  Ceanothus palmeri Scott D. White, Justin M. Wood 2008-6-5 12059 Riverside San Jacinto Mountains: Hwy 243 near Poppet Flats 1305 Comment
  UC1005025  Ceanothus papillosus W. Pequegnat Riverside 7 mi s Sierra Peak (Santa Ana Mts.); , s of Sierra Peak 1158 Comment
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Nov 20 2010
  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
  UCR5997  Ceanothus tomentosus Robert A. Clark 1966-3-19 031966- 09 Riverside Santa Ana Mtns, Sky Line Drive 4 miles from entrance off Chase Ave 762 Comment
  RSA707581  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  RSA767268  Centromadia pungens subsp. laevis Scott D. White 2009-8-10 13351 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  SBBG101694  Centromadia pungens subsp. laevis S. Boyd with T. Ross 1991-6-14 6354 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence W Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UC1536027  Centromadia pungens subsp. laevis R. F. Thorne, P. A. Munz, Earl Lathrop 1968-5-8 37606 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 miles S of Elsinore. Comment
  RSA68347  Chaenactis artemisiifolia G. R. Campbell 1951-5-30 16159 Riverside 9 miles west of Anza. 1067 Comment
  SEINET7063227  Chaenactis artemisiifolia A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  UCR19838  Chaenactis artemisiifolia Henry E. Davis 1969-5-18 29 Riverside Beaumont Badlands, off Redlands Blvd., on top of ridge 1 mile from main road 734 Comment
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Sep 13 2015
  UCR78445  Chaenactis artemisiifolia Scott D. White 1993-4-22 1247 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  RSA0013751  Chaenactis carphoclinia April Garbat, Sarah J. De Groot 2013-3-27 29 -a Riverside Hwy 177 N of Hwy 10, N of Palen Pass Rd. On E side of the road 398 Comment
  SEINET2049348 Image available Chaenactis carphoclinia B. Pitzer 1988-3-10 658 Riverside W. side of Chuckwalla Mountains, on gas line road ca 1.5 mi. N of intersection with Red Cloud Mine Rd. (& wash); ca, 2 miles (airline) S of Hwy I-10. 488 Comment
  POM351725  Chaenactis fremontii M. B. Dunkle 1933-5-6 3410 Riverside Dry Morongo Creek. Comment
  UC1718086  Chaenactis fremontii John S. Mooring 1962-3-10 569 Riverside Whitewater Canyon ca. 0.5 miles N of hwy 60-70 Comment
  UCR268784  Chaenactis fremontii Jim Andre 2015-3-2 31350 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  SEINET7063234  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UCR187501  Chaenactis glabriuscula Theresa Johnson 2006-5-11 097 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  UCR243126  Chaenactis glabriuscula Kate Kramer 2012-5-8 260 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  UCR87637  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  UCR91677  Chaenactis glabriuscula Steve Boyd 1995-4-24 8482 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near the NE corner of the Wilderness 671 Comment
  HSC85256  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-22 1744 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  RSA396471  Chaenactis glabriuscula var. glabriuscula Walter Wisura 1987-5-21 4152 Riverside 5.3 miles fr Hwy 243 along old Idyllwild rd. Comment
  POM12790  Chaenactis glabriuscula var. lanosa Philip A. Munz 1922-6-23 5780 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784] 1372 Comment
  JOTR37509  Chaenactis stevioides Hodges, Stephen R. 2016-3-1 635 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  RSA775940  Chaenactis stevioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 950 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UC69075  Chaenactis stevioides H. M. Hall 1905-5-1 6018 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs 670 Comment
  UCR244414  Chaenactis stevioides Jim Andre 2012-4-16 20909 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  JEPS51892  Chamaesyce albomarginata Samuel B. Parish 1891-11-6 Riverside San Jacinto Valley, San Jacinto Plains Comment
  JEPS52397  Chamaesyce parishii S. B. Parish 1912-6-28 8113 Riverside Mojave Desert,Mecca Comment
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Sep 4 2011
  JEPS52379  Chamaesyce polycarpa W. L. Jepson May 17 1901-Jun 1 1901 Riverside Palm Canyon and return to Van Deventer's Comment
  RSA741113  Chamaesyce serpillifolia subsp. hirtula Scott D. White, Justin M. Wood 2008-6-18 12237 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  RSA0065478  Cheilanthes californica W. A. Peard 1949-2-4 s.n. Riverside Kroonen Canyon, Corona. 335 Comment
  RSA125966  Cheilanthes covillei E. K. Balls, Percy C. Everett 1957-11-4 22752 Riverside Snow Creek, about Old Fish Hatchery, N base San Jacinto Mtns. 701 Comment
  RSA614527  Cheilanthes covillei A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15781 Riverside San Jacinto Mountains (N slope): Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west. 1128 Comment
  RSA413253  Cheilanthes newberryi James C. Dice, Tu Chung 1987-10-19 738 D Riverside at head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. 329 Comment
  UCR90970  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  JOTR32916  Cheilanthes parryi La Doux, Tasha, Jim Andre 2009-2-28 356 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  JOTR34127  Cheilanthes parryi Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21085 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  POM183965  Cheilanthes parryi Philip A. Munz 1932-3-14 11987 Riverside Palm Springs. 91 Comment
  POM312123  Cheilanthes parryi Norman C. Cooper 1944-4-8 1084 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  RSA776011  Cheilanthes parryi Duncan S. Bell 2010-3-20 617 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA8  Cheilanthes parryi J. T. Howell 1927-8-1 532 Riverside Morongo Pass. 610 Comment
  UC1400744  Cheilanthes parryi Alan R. Smith 1973-3-24 576 Riverside ca. 5 mi n of Interstate 10 from Chiriaco Summit Palm Canyon; Joshua Tree Nat'l Monument Comment
  UCR105987  Cheilanthes parryi L. C. Wheeler 1952-12-15 7026 Riverside Sonoran (Colorado) Desert, Riverside Mountains, shore of Alligator Slough of the Colorado River; [near] Mountaineer Mine, north of Johnson's Camp Comment
  UCR120310  Chenopodium Mitch Provance 1997-6-18 1102 Riverside City of Riverside, Riverside Community College, between the NE (back) parking lot and Prospect Dr. 244 Comment
  POM219130  Chenopodium album L. C. Wheeler 1932-7-9 923 Riverside Central Ave. 3 mi. N Chino. 244 Comment
  UCR171135  Chenopodium berlandieri John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  RSA34530  Chenopodium berlandieri var. sinuatum N. C. Cooper 1943-10-9 949 Riverside Hemet. 305 Comment
  UCR109477  Chenopodium berlandieri var. sinuatum A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19654 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  RSA708055  Chenopodium californicum Scott D. White, Angelia Carey 2004-4-16 10154 Riverside Indian Creek and adjacent slopes. 549 Comment
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Sep 24 2007
  UCR119417  Chenopodium murale Mitch Provance 1998-6-24 715 Riverside Jurupa Mountains, Canyon NE of the Jurupa Mountains Culture Center, c. 0.7km SW of peak 1701. 335 Comment
  SD146302  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance and T. B. Salvato 2000-10-5 23719 Riverside Santa Ana River Valley; Hidden Valley Wildlife Area, ca. 0.5 mile west of the park office. 191 Comment
  CAS-BOT-BC231783  Chilopsis linearis Carl B. Wolf 1932-4-26 2983 Riverside Colorado Desert. 8 mi. E. of Mecca, on Blythe Road 91 Comment
  CSUSB733  Chilopsis linearis Lalo Codova 1972-7-25 S. N. Riverside Palm Springs 76 Comment
  RSA0108979  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 286 Comment
  OBI20565  Chilopsis linearis subsp. arcuata Louis C. Wheeler 1933-12-1 2281 Riverside San Gorgonio Wash at S. P. RR, San Gorgonio Pass 640 Comment
  UC708737  Chilopsis linearis subsp. arcuata H. K. Wagnon 1944-5-30 406 Riverside Palm Springs, Tahquitz Creek Comment
  UCR147667  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11264 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UC21646  Chimaphila menziesii H. M. Hall 1897-6-16 646 Riverside San Jacinto Mts. Comment
  RSA615389  Chloris truncata A. C. Sanders 1997-3-26 200095 Riverside Lake Skinner area: N edge of Temecula vinyard district, Borel Road, 0.1 mile W of turnoff to Lake Skinner (33 deg 34'N, 117 deg 02'W; Bachelor Mt. 7.5 Quad: T7S R2W NE/4 Sec.13). Alt. 488 m/ 1600 ft. 488 Comment
  CAS-BOT-BC184871  Chloris virgata Lewis S. Rose 1957-1-9 57025 Riverside La Quinta. 15 Comment
  SEINET954331  Chloris virgata R. E. Riefner Jr. 2006-1 06 -447 Riverside Peninsular Range: Temecula Valley, along I-15 Freeway near Temecula Creek. 301 Comment
  UCR130515  Chloris virgata R. E. Riefner Jr. 2003-10-21 03- 459 Riverside Perris-Aguanga Region, Menifee Valley, along Newport Road 1 mile east of Goetz Road intersection 427 Comment
  VVC2473  Chorizanthe brevicornu Tim Thomas 2013-3-18 5944 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  JOTR31961  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2198 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  UC159451  Chorizanthe brevicornu var. brevicornu E. E. Schellenger 1911-4-24 Riverside s Palm Springs (Colorado Desert); , s of Palm Springs Comment
  UCR167072  Chorizanthe coriacea Scott D. White 2005-3-29 10851 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR228933  Chorizanthe coriacea A. C. Sanders 2011-4-6 39000 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UC70080  Chorizanthe corrugata E. E. Schellenger Apr. 1905 Riverside Santa Maria Mountains Colorado Desert, Santa Maria Mountains Comment
  CLARK-A1528-3599  Chorizanthe fimbriata John C. Roos 1937-4-23 1807 Riverside White Water Comment
  CAS-BOT-BC191346  Chorizanthe leptotheca Edmund C. Jaeger 1932-5-12 s.n. Riverside Sage, S of Hemet 762 Comment
  SD138831  Chorizanthe leptotheca Craig Reiser 1993-5-17 Riverside Near Agua Tibia Wilderness Area, South of Highway 79 west of entrance to Woodchuck Campground Comment
  UC72686  Chorizanthe leptotheca Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR189789  Chorizanthe leptotheca Kelly Schmoker 2007-7-12 086 Riverside Peninsular Range; San Jacinto Mountains, North San Jacitno Mountains, c. 5 km southwest of Idyllwild Comment
  UCR243124  Chorizanthe leptotheca Kate Kramer 2012-5-8 259 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  SD138829  Chorizanthe parryi var. parryi Craig Reiser 1993-3-29 Riverside North of Lewis Valley Road and east of Sage Road Comment
  UCR220144  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-11 2351 Riverside Peninsular Range, Lake Skinner County Park; north of old pig farm, 2000 ft. NE of Tucalota Creek & 6500 ft. east of Lake Skinner 485 Comment
  UCR260516  Chorizanthe parryi var. parryi T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7998 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  UCR266366  Chorizanthe parryi var. parryi D. E. Bramlet 2005-5-6 3848 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet, hill west of California Ave. and south of railroad tracks 503 Comment
  UCR217660  Chorizanthe polygonoides var. longispina Ana Hernandez 2010-3-22 015 Riverside Perris-Aguanga Basin, French Valley, 1.05km south of Scott Rd. and 650m west of Leon Rd. 432 Comment
  RSA65245  Chorizanthe rigida F. W. Peirson 1927-4-12 7174 Riverside Painted canyon, near Mecca. Comment
  RSA388504  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCR121193  Chorizanthe staticoides D. E. Bramlet 1989-5-20 1880 Riverside Perris-Aguanga Basin region, Lake Skinner area, 7500 ft. (1.4 mi) east of Lake Skinner Dam and 500 ft. (c. 0.1 mi.) north of access road 518 Comment
  GMDRC1319  Chorizanthe watsonii J. Andre 2004-4-24 4277 Riverside Little San Bernardino Mountains: Joshua Tree NP: Joshua Tree woodland (sparse), near bench by wash in sandy soil. Elev. 3711 ft. 1131 Comment
  SD173057  Chorizanthe xanti var. leucotheca Larry Hendrickson, Stacey Ostermann 2003-4-24 1205 Riverside Anza-Borrego Desert State Park just north of San Diego County border. Upper Coyote Canyon, at mouth of Alder Canyon on stable bench above active wash 747 Comment
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Nov 18 2009
  UCR167057  Chorizanthe xanti var. leucotheca Scott D. White, Jennifer H. Jones 2005-5-24 11098 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR111778  Chrysothamnus nauseosus Mitch Provance 1998-5-4 1716 Riverside Riverside (Rubidoux), Belltown area, 'gravel pits' just south of 26th St. and Hall Ave. 250 Comment
  JOTR30292  Chrysothamnus nauseosus subsp. mohavensis Andre, Jim, Tasha La Doux 2007-9-6 8703 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  VVC1352  Chrysothamnus paniculatus A. C. Sanders, J. Mac 1996-11-23 19656 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  UCD103717  Chylismia brevipes C. L. Hitchcock 1966-3-20 24305 Riverside 20 miles N of Ogilby, along road to Blythe. Comment
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Mar 2 2013
  SD260086  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct. 127 Comment
  OBI38923  Chylismia claviformis A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6078 Riverside Corn Spring, Chuckwalla Mts, was below the spring ans wsh and rocky slopes to the S 488 Comment
  UCR269838  Chylismia claviformis A. C. Sanders, Jim Malusa 2016-3-18 42380 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CAS-BOT-BC160591  Chylismia claviformis subsp. aurantiaca A. N. Dunn; A. M. Martin 1932-3-26 s.n. Riverside Coachella Comment
  CAS-BOT-BC160630  Chylismia claviformis subsp. aurantiaca Edith A. Purer 1935-4-21 6485 Riverside Near Palm Springs Comment
  RSA509545  Cicer arietinum Jim Hitchcock 1989-4-12 s.n Riverside University of California Agricultural Operations Buildings. E of Pennsylvania Ave. Growing (as a weed) next to the buildings. Comment
  CAS-BOT-BC286459  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside South end of Santa Ana Mts. Comment
  RSA653427  Cistanthe monandra Scott D. White 1999-5-24 7394 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  SD247464  Clarkia dudleyana Kate Kramer 2012-5-25 262 Riverside Along Highway 243: between Mt. Edna Road and Vista Grande fire station. 1387 Comment
  POM13821  Clarkia epilobioides P. A. Munz 1922-4-28 5052 Riverside 3 miles south of Glen Ivy Comment
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Apr 3 2011
  RSA180407  Clarkia epilobioides E. W. Lathrop 1965-5-30 5785 Riverside 6 miles W of Murrieta. Comment
  POM307315  Claytonia parviflora subsp. parviflora Henry J. Ramsey, Henry J. Ramsey 1938-4-22 224 Riverside Santa Rosa Mts. Comment
  SDSU12921  Claytonia parviflora subsp. parviflora J. Jill Steinberg with Janet Knotts 1998-3-11 5 Riverside Ca. 1/4 mile along foot trail leading southeast from road, approximately 1/4 mile northeast of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 305 Comment
  RSA689500  Claytonia perfoliata Scott D. White 2001-4-19 8368 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  RSA585627  Claytonia perfoliata subsp. perfoliata D. L. Banks, Steve Boyd 1995-3-15 0062 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  RSA613432  Clematis D. L. Banks 1997-4-5 1661 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  POM17833  Clematis lasiantha P. A. Munz, D. D. Keck 1923-6-14 7084 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  UCD95596  Clematis ligusticifolia F. C. Vasek 1978-7-28 s.n. Riverside San Bernardino Mtns.: Cushenbury Springs. 1250 Comment
  RSA650739  Cleome isomeris Frank S. Hewitt Jr. 1949-2-14 s.n. Riverside Found on western edge of Colorado Desert of Hwy 99 [ Hwy 10] near Whitewater. 609 Comment
  CAS-BOT-BC214180  Clinopodium chandleri E. W. Lathrop 1966-5-8 6265 Riverside 3 miles SW of Murrieta Comment
  UCR132498  Collinsia concolor Michael D. Wilcox, Nathan Moorhatch 2003-4-4 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 396 Comment
  RSA0117410  Collinsia concolor R. C. Bacigalupi, Gene Newcomb 1954-4-25 4401 Riverside First-year 'burn' along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  RSA0117415  Collinsia concolor Walter Wisura 1987-5-21 4154 Riverside This is a voucher from the living collection at the RSA. Living collection no. 15579, 7.8 mi. from Hwy. 243 along old Idyllwild road. Comment
  RSA0117422  Collinsia concolor Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  SD152751  Collinsia heterophylla Steve Boyd 1992-4-15 6868 Riverside San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 334 Comment
  CAS-BOT-BC520440  Condalia globosa var. pubescens A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40512 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, S of the Chuckwalla Mtns., along Bradshaw Trail 1.5 km NW of Augustine Rd jct., large wash on SW side of road 726 Comment
  SBBG101698  Conium maculatum S. Boyd, T. Ross 1991-6-14 6378 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  RSA562438  Conium maculatum Steve Boyd, Timothy S. Ross 1992-5-6 7266 Riverside Southern Santa Ana Mountains, San Mateo canyon Wilderness area. West of Verdugo Portrero, along access road to Rancho Carillo(7S06) on ridge dividing Verdugo and Aliso Canyons, just east of Riverside-Orange Co. Line 671 Comment
  CAS-BOT-BC216025  Convolvulus Steve Boyd 1986-5-1 1810 Riverside Lower south slopes of Bachelor Mtn., east end of Lake Skinner, Bachelor Mtn. Comment
  UC1931131  Convolvulus arvensis Scott D. White, Justin Wood 2008-6-17 12162 Riverside San Jacinto Mountains: Garner Valley- Kenworthy Station (USFS) Butterfly Peak. Comment
  RSA388506  Convolvulus simulans Steve Boyd 1986-5-1 1810 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA741598  Conyza floribunda Justin M. Wood 2008-9-22 161 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR103461  Cordylanthus rigidus Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, at and near the spring. 1293 Comment
  UCR242671  Cordylanthus rigidus A. C. Sanders 2013-7-6 40846 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11 1793 Comment
  UCR5796  Cordylanthus rigidus subsp. setiger O. F. Clarke 1966-10-5 661005- 35 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  UC33126  Coreopsis bigelovii W. G. Wright Riverside Comment
  CLARK-A1656-756  Corethrogyne filaginifolia Theo Glenn 1981-10-15 Riverside Snow Creek 396 Comment
  RSA293512  Corethrogyne filaginifolia var. bernardina C. W. Tilforth, Walter Wisura 1979-8-8 1892 Riverside Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning. 1037 Comment
  RSA586870  Cotula australis D. L. Banks, Steve Boyd 1995-5-3 0289 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA736242  Cotula coronopifolia Scott D. White, Jonathan Campbell 2008-4-18 11896 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  RSA84907  Crassula solieri F. W. Peirson 1922-4-29 2944 Riverside mud flat south of Lake Elsinore Comment
  RSA503149  Crossosoma bigelovii G. D. Wallace 1966-3-26 233 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat'l For. 427 Comment
  UCSB3803  Crossosoma bigelovii Haller, John 1957-3-23 Riverside At mouth of Morongo Canyon, ca. 8 mi. N of U.S. 99 and 1 air mile S of Riverside-San Bernardino County line 762 Comment
  JEPS52474  Croton californicus F. M. Reed 1905-9-25 Riverside Riverside Comment
  LA204874  Croton californicus Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  RSA586856  Croton californicus D. L. Banks, S. D. Boyd 1995-5-3 0275 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SD80025  Croton californicus Nancy R. Zabriskie, Walter Zabriskie 1970-3-29 279 Riverside Andreas Canyon Club Gate on South Palm Canyon Drive, Palm Springs. 170 Comment
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Apr 17 2011
  SEINET9252911 Image available Croton californicus Ronald L. Hartman, Fred Seaman 1972-3-23 3232 Riverside Hwy 111, 2 mi N of Palm Springs Comment
  UC868657  Croton californicus Lewis S. Rose 1938-12-18 38321 Riverside Palm Springs 137 Comment
  UCD141982  Croton californicus Marian L. Vincent; Richard H. Swade 1963-10-19 465 Riverside Snow Creek Road; 2 miles from its intersection with California State Hwy.111. 365 Comment
  UCR136187  Croton californicus Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  UCR245236  Croton californicus Jim Andre 2012-3-19 21343 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  UCR278562  Croton californicus Mitch Provance 2012-7-28 712- 08 Riverside San Gorgonio Pass, Banning, Montgomery Creek and adjacent plateaus, south of Westward Ave., and west of Banning High School 695 Comment
  UCR89872  Croton californicus George K. Helmkamp 1994-3-8 41 13 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  UCR141253  Croton setiger A. C. Sanders, Kelly Volansky 2004-10-6 28819 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCD148354  Crypsis schoenoides Don Domenigoni 1997-7-21 s.n. Riverside West Coast Turf, 31755 Winchester Road, Winchester. Comment
  RSA773183  Cryptantha Duncan S. Bell, Joy England 2010-5-27 1135 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1354 Comment
  SEINET7042764  Cryptantha W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  POM368179  Cryptantha angustifolia T. S. Clare 1930-4-14 s.n. Riverside Salton Sea. [Imperial to Riverside Co] Comment
  POM368197  Cryptantha angustifolia L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  UCR102724  Cryptantha angustifolia B. G. Pitzer 1998-1-24 3410 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  JEPS22517  Cryptantha barbigera Rimo Bacigalupi with Paul Hutchison 1958-2-19 6193 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  POM6630  Cryptantha barbigera P. A. Munz, L. T. Street 1919-3-27 2350 Riverside Salton Sea Comment
  UCR138587  Cryptantha barbigera Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1330 Riverside Western Colorado Desert, Mecca Hills: Box Canyon, along Hwy 195 305 Comment
  UCR97480  Cryptantha barbigera John Wear, N. Moorhatch 1997-3-13 s.n. Riverside San Jacinto Mtns. / Coachella Valley, S of Chino Canyon, at NW end of Palm Springs. 350 Comment
  JOTR34275  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3290 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  UCR244416  Cryptantha barbigera var. barbigera Jim Andre 2012-4-16 20911 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCR41269  Cryptantha barbigera var. fergusoniae B. G. Pitzer 1986-2-9 2 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  RSA0123678  Cryptantha decipiens Duncan S. Bell, LeRoy Gross 2016-3-9 8863 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  CLARK-A1528-1119  Cryptantha intermedia Charles S. Papp 1965-6-13 835 Riverside San Jacinto Mountains 1371 Comment
  JEPS67664  Cryptantha intermedia W. L. Jepson 1903-8-5 2267 Riverside near Strawberry Valley; Mt. San Jacinto 1767 Comment
  POM230207  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa. 61 Comment
  POM50382  Cryptantha intermedia W. W. Eggleston 1924-3-8 19530 Riverside Hemet. 480 Comment
  RSA488928  Cryptantha intermedia D. C. Hawks 1988-4-2 s.n. Riverside Tule Creek drainage, 1.75mile airline NE of Aguanga, SE of intersection of Dove and Sycamore Streets, S of Hwy 371. 762 Comment
  RSA691983  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-2 8917 Riverside Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  RSA703371  Cryptantha intermedia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1426 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC729664  Cryptantha intermedia Carl B. Wolf 1932-5-25 Riverside 1 mi below, n base of San Jacinto Mts. Fish Hatchery; San Jacinto Mts., Snow Creek Canyon 396 Comment
  UCR42808  Cryptantha intermedia A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 6455 Riverside Mockingbird Canyon, south of Riverside, 0.7 mi. below (NW of) Harley John Road. 396 Comment
  UCR92795  Cryptantha intermedia Scott D. White 1994-3-29 1939 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA771753  Cryptantha intermedia var. intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4630 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR35048  Cryptantha maritima La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3501 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  SDSU21879  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 47 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  JOTR30305  Cryptantha micrantha La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1738 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  SEINET9315890  Cryptantha micrantha Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UC1279966  Cryptantha micrantha Peter H. Raven with R. Snow 1957-7-26 11122 Riverside 1.8 mi above Lake Fulmor; San Jacinto Mountains Comment
  UCR16163  Cryptantha microstachys I. G. Rauch 1968-5-14 s.n. Riverside Santa Ana Mtns, Tin Mine Canyon Comment
  UCR199742  Cryptantha microstachys Scott D. White, Justin Wood 2008-5-29 12047 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  POM368266  Cryptantha muricata Lester H. Cushman 1933-4-20 s.n. Riverside Corona 274 Comment
  UCR26485  Cryptantha muricata A. C. Sanders, S. Hagopian 1981-5-20 3132 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  RSA0119988  Cryptantha muricata var. denticulata Duncan S. Bell, Thomas Stoughton 2016-4-13 9264 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA0106708  Cryptantha nevadensis Duncan S. Bell, Amanda Turek 2010-4-9 758 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  UCR89718  Cryptantha nevadensis J. M. Stewart 1993-3-10 685 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; Corn Springs Rd, 2 mi south of Chuckwalla Rd. Comment
  UCR279548  Cryptantha nevadensis var. nevadensis A. C. Sanders, Jim Malusa 2017-3-27 43133 Riverside Sonoran (Colorado) Desert, NW edge of Chocolate Mountains, lower Salt Creek on the illegal OHV road from the Coachella Canal to the trestle, inside Navy Aerial Gunnery Range 44 Comment
  JOTR36439  Cryptantha pterocarya La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3411 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UC1168705  Cryptantha pterocarya Peter H. Raven 1958-3-16 11854 Riverside below Cottonwood Springs; Joshua Tree National Monument Comment
  RSA0042916  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Evan Meyer 2014-4-2 6499 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA0125985  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2016-3-4 8811 Riverside Orocopia Mountains; northeast section of the range, in the hills to the west of Red Cloud Wash. 487 Comment
  RSA689696  Cryptantha simulans Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1704 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  JOTR30312  Cryptantha utahensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1749 Riverside Joshua Tree National Park. Stop 3: Northwest end of Eagle Mountains, near road to Cottonwood Canyon. 898 Comment
  RSA799665  Cucurbita foetidissima LeRoy Gross, Bart O'Brien 2013-3-18 5949 Riverside High bench above the Santa Ana river, north of the river, and south of the Riverside County animal control facility, just west of Van Buren Boulevard. Near Pedley. 205 Comment
  SD46669  Cucurbita palmata P. C. Everett, E. K. Balls 1956-5-2 21550 Riverside 1.0 mile from turn-off west of Desert Center to Eagle Mountain pumping plant. 274 Comment
  SEINET4896208  Cupressus macrocarpa H. F. Thut 1971-1 Riverside near Redlands Comment
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Jul 19 2015
  UCR26987  Cuscuta subinclusa E. W. Lathrop 1966-5-8 6418 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCR77584  Cuscuta subinclusa Steve Boyd 1991-7-13 6420 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  SD248379  Cylindropuntia Mark A. Baker, Michelle Cloud-Hughes. 2012-3-25 17525 7 Riverside Pilot Mountain 7.5'Q USGS quad. Northeast end of Chuckwalla Mountains, 11 km SSE of Desert Center, 70 km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400 south of Corn Springs Wash. 525 Comment
  JOTR35524  Cylindropuntia chuckwallensis Harding, Mitzi, M. Baker and M. Cloud-Hughes 2013-4-12 133 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Canyon, approx. 0.5 km southwest of Cottonwood Spring 966 Comment
  SEINET11038799  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18297 .1 Riverside Chuckwalla Mountains: 4.1 km WNW of Corn Spring, NE of Aztec Well, 71 km west of central Blyth. Corn Springs 7.5 834 Comment
  SEINET5624468 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .7 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  UCR77594  Cyperus eragrostis Steve Boyd 1991-7-13 6408 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  RSA605228  Cyperus erythrorhizos A. C. Sanders, O. F. Clarke, CNPS field trip 1991-10-5 11742 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mile SE of Louis Rubidoux Nature Center. Comment
  POM158187  Cyperus esculentus Phillip A. Munz 1928-9-6 11272 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCR207810  Cyperus esculentus O. F. Clarke 2004-7-7 s.n. Riverside San Bernardino Valley Region, Riverside, Victoria Ave. bridge at Arroyo Tequesquite 262 Comment
  RSA597789  Cyperus involucratus Scott D. White 1996-3-31 3853 Riverside Bundy Canyon, SE of Lake Elsinore; ca 1 road mile (ca 0.2 mile) E of Bundy Canyon Road exit from Hwy I-15. 451 Comment
  UCR208341  Cyperus involucratus O. F. Clarke 2004-4-14 s.n. Riverside San Bernardino Valley Region, Riverside, west side of Santa Ana River opposite the south end of Mt. Rubidoux, SE of Flabob Airport, south of bend in Crestmore Rd. and 2 mi. south of Mission Blvd., east of Co. Parks Hqtrs. 229 Comment
  SEINET3909845  Cyperus odoratus John R. Crutchfield 1965-6-16 219 Riverside Lost Lake Resort, 14 miles south of Vidal.; 0 Comment
  CAS-BOT-BC114014  Cyperus rotundus Ralph Hoffman 1927-9-10 s.n. Riverside Cultivated ground near Fontana Comment
  CSUSB1206  Dalea californica Steven J. Southwell 1971-5-7 Riverside Colorado Desert West Colorado Desert. Windy Gap Sand dune, west of Palm Springs on highway 111, 200 feet west of road. 304 Comment
  CSUSB1282  Dalea californica Tony Beck 1968-4-28 680428 5 Riverside Colorado Desert West Colorado Desert. 4 miles south of trout farm on Whitewater Canyon Road. About 100 yards east of the road in dry, sandy soil. 548 Comment
  GMDRC5832  Dalea mollis J. M. Andre 2013-3-27 24799 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  POM128977  Dalea mollis E. E. Schellenger 19 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  CLARK-A1528-471  Dalea schottii Charlotte Stocks 1966-5-3 Riverside Thousand Palms canyon Comment
  RSA0018639  Dalea schottii C. P. Cowan 1978-4-23 1168 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Whittaker transect #W-217. 570 Comment
  POM193517  Dasyochloa pulchella J. B. Feudge 1929-9-15 2026 Riverside Cottonwood Springs, Colorado Desert. Comment
  SEINET8465882 Image available Datura discolor J. C. Roos 1965-11-6 Riverside Desert, 26 miles west of Blythe Comment
  UC1563100  Daucus pusillus Steve Boyd, Tim Ross, and Laurel Arnseth 1989-5-7 3538 Riverside just s. of dam Vail Lake area 487 Comment
  UC1608212  Daucus pusillus Tim Ross and Steve Boyd 1992-6-10 7635 Riverside about Potrero Escondido- an isolated area topping ridge system due w. of junction of Tenaja Rd. (7S01) and Los Alamos Rd. (7S04) San Mateo Canyon (at confluence of Los Alam...); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, S 670 Comment
  UCR112807  Daucus pusillus A. C. Sanders 1997-5-1 20621 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UC194674  Deinandra fasciculata S. B. and W. F. Parish 1882-6-1 237 Riverside near Temecula; San Jacinto Plains Comment
Read comments
Jul 15 2009
  CAS-BOT-BC294118  Deinandra kelloggii Mary F. Spencer 1919-6-17 1192 Riverside In San Jacinto 304 Comment
  RSA703535  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -143 Riverside Moreno Vallaey, along Allesandro St. near Merwin St. intersection. 487 Comment
  CLARK-A1528-784  Delphinium Fred B. Essig 1964-4-4 27 (part of series 24 to 30 ) Riverside Horsethief Canyon Comment
  RSA79175  Delphinium parishii P. A. Munz, Percy C. Everett 1952-5-2 16240 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR18681  Delphinium parishii Frank C. Vasek 1973-6-8 730608- 14 Riverside Santa Rosa Mtns, Slope above Garnet Queen Creek Comment
  UCSB1981  Delphinium parishii subsp. parishii Graney, Don 1953-3-20 Riverside one mile up White Water Canyon Comment
  JEPS5903  Delphinium parryi W. L. Jepson May 17 1901-Jun 1 1901 1221 Riverside Riverside Comment
  RSA12912  Delphinium parryi Carl B. Wolf 1935-4-7 6302 Riverside 2 mi. SW of Perris. 427 Comment
  SEINET7072850  Delphinium parryi A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UCR156481  Delphinium parryi Jason L. Hlebakos 2005-5-3 619 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  IRVC26833  Delphinium parryi subsp. parryi S. D. White 1997-2-28 4711 Riverside Elsinore Basin, SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy 457 Comment
  JEPS57293  Delphinium parryi subsp. parryi L. R. Heckard and R. C. Bacigalupi 1968-5-5 1801 Riverside about 5 mi s Hemet (low hills at s edge of Valley); Diamond Valley 518 Comment
  RSA0020476  Delphinium parryi subsp. parryi R. S. Woglum 1941-6-12 3062 Riverside Idyllwild. Comment
  UC219264  Dendromecon rigida P. A. Munz and I. M. Johnston 1922-5-19 5406 Riverside canyon bed near mouth of Strawberry Creek; San Jacinto Canyon 762 Comment
  UC855080  Dendromecon rigida I. W. Clokey and E. G. Anderson 1935-4-16 6730 Riverside above Hemet 700 Comment
  UCR268281  Dendromecon rigida Jim Andre 2012-6-15 30506 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  CAS-BOT-BC198174  Deschampsia danthonioides John Thomas Howell 1930-5-10 4776 A Riverside Marsh Field Comment
  UCR201675  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  POM369422  Descurainia pinnata Ora M. Clark 1929-3-16 1699 Riverside South of Cabazon. Comment
  SD38252  Dicentra chrysantha Newton 1931-5-10 2073 Riverside Murrieta Canyon Comment
  RSA262122  Dicentra ochroleuca E. W. Lathrop 1973-5-28 7502 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UC1931206  Dichelostemma capitatum Scott D. White, Justin Wood 2008-6-19 12269 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  RSA367460  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-3-24 1001 Riverside Banning. 701 Comment
  SDSU12859  Dichelostemma capitatum subsp. capitatum Janet M. Knotts with Jill Steinberg 1998-4-22 22 IV1998A Riverside A few feet east of stream on north side of footpath, approximately 1/2 mile northwest of SDSU Santa Margarita Field aStation, north of Santa Margarita River. 354 Comment
  RSA501035  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3156 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM356428  Dicoria canescens Allen 1921-10-1 s.n. Riverside Palm Springs. Comment
  RSA339628  Dicoria canescens R. F. Thorne 1980-5-28 54158 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  SD120075  Dicoria canescens Louis B. Ziegler 1976-1-27 537 b Riverside Coachella Valley Comment
  SD137606  Diplacus aurantiacus Darin L. Banks, Steve Boyd 1995-6-2 560 Riverside Cleveland National Forest; Agua Tibia Wilderness area; N face of N peak of Agua Tibia Mountain; on Woodchuck Trail N of the Riverside County boundary, ca Ao mi S of the clay grasslands 901 Comment
  CAS-BOT-BC150936  Diplacus bigelovii var. bigelovii Edmund C. Jaeger 1939-3-30 s.n. Riverside Desert Center 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
  UCR202224  Distichlis spicata Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR2339  Distichlis spicata var. nana H. S. Fawcett 1914-8-21 1623 Riverside Peninsular Range, Elsinore Lake, NE beach 427 Comment
  UCR134640  Ditaxis californica Nancy K. Cione 2004-4-30 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, north of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  RSA776244  Ditaxis neomexicana Duncan S. Bell 2010-3-20 595 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR72204  Ditaxis neomexicana Theo Glenn 1991-5-22 91- 73 Riverside Sonoran (Colorado) Desert, Arica Mountains, SW of Rice. 309 Comment
  RSA718303  Ditaxis neomexicana Michael Honer, Lincoln Hulse 2004-4-2 1885 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  CAS-BOT-BC43630  Dithyrea californica Geo. B. Grant 1906-5-1 266 a-6769 Riverside Colorado desert at Palm Springs. Comment
  CAS-BOT-BC43637  Dithyrea californica Elizabeth H. Daniels 1932-3-8 s.n. Riverside Mission Canyon, Morongo Valley, Little San Bernardino Mountains. Comment
  RSA530741  Dithyrea californica N. C. Cooper 1949-3-15 3031 Riverside Palm Springs 122 Comment
  RSA697423  Dithyrea californica J. R. Bruff 1927-3-12 2 -R Riverside Fingal Comment
  SEINET3148478  Dithyrea californica G. B. Grant 1906-1 266 a-6769 Riverside Colorado desert at Palm Springs Comment
  SFV4379  Dithyrea californica F. M. Ball 1964-1-4 66 1 Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  UC963835  Dithyrea californica Helen K. Sharsmith 1952-4-8 4049 Riverside w lobe Pinto Basin; Mojave Desert, Joshua Tree National Monument 609 Comment
  UCR48356  Dodecatheon clevelandii Steve Boyd 1986-3-9 1401 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  UCR19087  Draba cuneifolia var. integrifolia John C. Roos 1952-3-19 5402 Riverside Peninsular Range, Box Springs Mountains [east edge of Riverside] 457 Comment
  POM188070  Drymocallis glandulosa var. glandulosa L. Crutcher 1933-7-1 17 Riverside Creek below Camp Tahquitz. Comment
  POM20030  Drymocallis glandulosa var. reflexa Mary F. Spencer 1923-06 2198 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA192259  Dryopteris arguta E. W. Lathrop 1960-6-7 4866 Riverside 14 miles west of Murrieta Comment
  UCR12626  Dryopteris arguta I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  RSA709640  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2003-5-21 26788 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  SDSU13053  Dudleya pulverulenta James C. Dice with J. Dewald 1987-9-28 728 Riverside North side of Temecula Gorge, ca. 4.1 km ENE of Galivan Mountain. T82, R2W, northeast 1/4 of northeast 1/4 of section 27. 347 Comment
  SDSU12968  Dysphania ambrosioides Michael G. Simpson 1999-10-27 2051 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  SEINET10937686  Echinocactus acanthodes A. Evans 1976-4-13 Evans 5173 Riverside Rocky slopes of santa rosa mtns. Comment
  UCR59537  Echinocereus engelmannii subsp. engelmannii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3581 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, NW end of lake at E end of Oak Mtn., north of Wilson Creek 488 Comment
  RSA0125620  Echinocereus engelmannii var. engelmannii Marjorie Shaw 1916-03 s.n. Riverside Palm Springs Comment
  RSA0078225  Echinochloa colona Sarah J. De Groot, Amy Rouillard 2015-9-15 7563 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCD60748  Echinochloa colona Malcolm A. Nobs; S. Galen Smith 1948-9-3 488 Riverside Imperial Valley. Citrus grove, 2 miles north of Indio. Comment
  JOTR32382  Elatine rubella La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2490 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR193135  Eleocharis acicularis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 B Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  RSA92090  Eleocharis geniculata F. W. Peirson 1921-3-20 2923 Riverside Palm Canyon, east base of San Jacinto Mountains 305 Comment
Read comments
Oct 1 2011
  UC839371  Eleocharis macrostachya I. W. Clokey, E. G. Anderson 1935-1 6565 Riverside Hemet Lake 1320 Comment
  UCR182517  Eleocharis macrostachya Mitch Provance 2005-5-17 6568 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA381084  Eleocharis montevidensis Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61177 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  POM181843  Eleocharis parishii H. M. Hall 1901-06 2013 Riverside East base of San Jacinto Mountains. Comment
  UCR220146  Eleocharis parishii D. E. Bramlet 1989-4-10 1828 Riverside Peninsular Range; Perris-Aguanga Basin region, Tucalota Creek, 600 ft. west of Washington St. and 300 ft. south of Benton Road 416 Comment
  UCR2354  Elymus condensatus F. M. Reed 1906-6-10 1014 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, upper south fork of Arroyo Tequesquite 442 Comment
  SD146093  Elymus elymoides Scott D. White 1997-5-18 5175 Riverside San Jacinto Mountains, Black Mountain Scenic Area, Black Mountain Trail between Highway 243 and Cinco Poses Trail junction 1700 Comment
  UCR154465  Elymus elymoides Jason L. Hlebakos 2005-5-30 810 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  JOTR36416  Elymus elymoides subsp. brevifolius La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3362 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA769820  Elymus glaucus E. W. Lathrop 1973-6-28 7441 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR80797  Elymus glaucus Scott D. White 1993-5-29 1478 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  RSA500549  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3623 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  UCR207342  Elymus repens O. F. Clarke 2004-5-17 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UC1931204  Elymus trachycaulus subsp. trachycaulus Scott D. White, Justin Wood 2008-6-19 12273 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UCR165405  Emmenanthe penduliflora A. C. Sanders 2005-4-21 29567 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR214853  Emmenanthe penduliflora Bao Doan 2010-5-31 11 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  CHSC108907  Encelia actoni Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald,L. Reccia 2010-4-13 4916 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  JOTR31162  Encelia actoni La Doux, Tasha 2009-6-3 1868 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  RSA0120006  Encelia actoni Duncan S. Bell, Thomas Stoughton 2016-4-13 9259 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR233573  Encelia californica A. C. Sanders, John F. Green 2012-3-26 39995 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, near I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 395 Comment
  UCR241814  Encelia californica A. C. Sanders, Timothy W. Chumley 2013-4-2 40752 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake 396 Comment
  UCD131206  Encelia farinosa K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR245234  Encelia farinosa Jim Andre 2012-3-19 21324 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR34969  Encelia farinosa L. B. Ziegler 1976-5-20 547 Riverside San Jacinto Mtns, Potrero Creek (Massacre Canyon), lower canyon below falls. 457 Comment
  UCR60769  Encelia farinosa Steve Boyd, O. Mistretta 1986-3-13 1466 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  POM656671  Encelia farinosa var. farinosa Norman C. Cooper 1949-4-9 3324 Riverside Blythe. 81 Comment
  POM7054  Encelia farinosa var. farinosa P. A. Munz, L. T. Street, Williams 1919-3-26 2337 Riverside Palm Springs. 213 Comment
  RSA486454  Encelia farinosa var. farinosa Richard Noyes, L. Arnseth 1988-10-30 762 Riverside Lake Mathews vicinity, Dry sandy margin of Cajalco road along southern boundary of Lake. 460 Comment
  UCR251917  Encelia frutescens Jim Andre 2013-3-27 24845 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  SEINET10616296  Encelia frutescens David B. Dunn 1948-1-25 Dunn 3643 Riverside Found 1 mile southeast of Cabayon in the Bannings Pass between San Jacinto Mountains and the San Gorgonio Mountains. Comment
  CAS-BOT-BC409252  Ephedra Lester Rowntree 1934-3-24 s.n. Riverside Morongo Valley Comment
  CAS-BOT-BC81535  Ephedra californica Lewis S. Rose 1940-3-13 40113 Riverside [Whitewater] White Water 60 Comment
  POM310156  Ephedra californica Hulda Crooks 1946-3-2 263 Riverside Palm Springs area. 139 Comment
  UCR234805  Ephedra californica Jim Andre, Glenn L. Clifton 2011-2-22 17472 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  RSA794236  Ephedra nevadensis J. Andre 2012-3-19 21334 Riverside Chuckwalla Mountains; north end of range at Jaeger Nature Sanctuary, 1.5 miles south of junction Eagle Mountain Road and I-10 freeway. 411 Comment
  CLARK-A1045-332  Ephedra viridis George K. Helmkamp 1977-3-20 Riverside Cabazon Cabazon 7.5'Q Comment
  UCR17539  Epilobium campestre John C. Roos 1952-5-28 5731 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  UCR35214  Epilobium canum L. B. Ziegler 1967-9-6 243 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  UCR115947  Epilobium ciliatum Mitch Provance 1998-6-11 670 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR202612  Epilobium ciliatum Scott D. White, Justin M. Wood 2008-7-9 12424 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  SBBG60174  Epilobium ciliatum subsp. ciliatum R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  RSA6024  Epilobium glaberrimum subsp. glaberrimum Carl B. Wolf 1932-8-5 3941 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2561 Comment
  SEINET13710791  Epipactis gigantea A. Alexis, A. Alexis 1978-1 Riverside Along State Highway 74 Near Sitton Peak Comment
  UCR131080  Epipactis gigantea George H. Grinnell 1923-5-28 s.n. Riverside Riverside 366 Comment
  UCR128305  Equisetum arvense Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8627 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA684637  Equisetum laevigatum Gale Sphon 1956-6-13 s.n. Riverside Hemet Meadow, Mountain Meadow Comment
  UCR515  Equisetum laevigatum Eugene Cardiff 1954-4-5 s.n. Riverside San Bernardino Valley Region, Santa Ana River, near Pedley 207 Comment
  SEINET13709263  Equisetum telmateia J. Adams, J. Adams (Botany) 1966-1 744 Riverside Santa Rosa Plateau, on Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  POM352237  Eragrostis cilianensis Anstruther Davidson 1904-5-11 1091 Riverside Palm Springs Comment
  UCR20767  Eremalche exilis A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1333 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  RSA432718  Eremalche rotundifolia E. C. Jaeger 1922-4-7 811 Riverside Chucawalla Bench, Colorado Desert. 259 Comment
  RSA747716  Eremalche rotundifolia Justin M. Wood 2009-3-26 396 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  SFV7917  Eremalche rotundifolia T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1280 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  RSA500123  Eremocarpus setiger Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3688 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  CHSC8312  Eremothera boothii subsp. alyssoides Edward L. Smith 1958-3-21 375 Riverside Plant found 6 mi. of Rice, near Priests Well. Little Santa Maria Mtns. 365 Comment
  UCR279387  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-24 42984 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  SEINET3208899  Eriastrum densifolium G. Goodwin 2012-6-14 3455 Riverside San Jacinto Mountains, at vista south of Idyllwild adjacent to highway 243 1650 Comment
  RSA0105506  Eriastrum densifolium subsp. austromontanum H. M. Hall 1901-07 2384 Riverside San Jacinto Mountains. 1585 Comment
  LA106802  Eriastrum densifolium subsp. densifolium Elizabeth McClintock; 1940-7-21 sn Riverside Santa Rosa Mountains, near Santa Rosa Springs Comment
  CLARK-A1045-111  Eriastrum densifolium subsp. elongatum George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  UC472923  Eriastrum diffusum subsp. diffusum P. C. Standley Aug 1922 Riverside Idyllwild San Jacinto Mts. 1828 Comment
  UCSB41261  Eriastrum eremicum Cowan, Clark 1978-6-23 Riverside 6.3 mi. S. on Hwy 74 from its jct. with Hwy 111 at Indian Wells; Whittaker transect #W 219 480 Comment
  SDSU3049  Eriastrum sapphirinum A. H. Gallup 1948-6-12 223 Riverside San Jacinto Mt. Road from the town of San Jacinto. 823 Comment
  UCR137334  Eriastrum sapphirinum A. C. Sanders 2004-5-5 27763 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR260570  Eriastrum sapphirinum T. B. Salvato 2014-5-29 8032 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCR121234  Eriastrum sapphirinum subsp. ambiguum Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2271 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA0121255  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-13 7363 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
  RSA0122977  Eriastrum sapphirinum subsp. sapphirinum C. B. Wolf 1932-8-4 3915 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  RSA525431  Ericameria linearifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4540 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UC1329821  Ericameria linearifolia James E. Cole 1941-5-17 714 Riverside Covington Flat Canyon Joshua Tree National Monument, Covington Flat Canyon 1371 Comment
  UC36548  Ericameria linearifolia H. M. Hall 1899-5-23 1140 Riverside Kenworthy San Jacinto Mountains, Kenworthy (opening to desert, among rocks) 1219 Comment
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Mar 25 2011
  JOTR01233  Ericameria linearifolia Cole, James E. 1942-5-10 956 Riverside Joshua Tree National Park. 1341 Comment
  POM359410  Ericameria linearifolia Anstruther Davidson 1927-6-1 s.n. Riverside Riverside County Comment
  RSA594499  Ericameria palmeri var. pachylepis D. L. Banks, Rashmi Pant 1996-5-13 1011 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric, arkose ridge, approximately 100 m E of the Dripping Springs Guard Station, just S of Hwy. 500 Comment
  UCR113191  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  UCR220009  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2010-11-28 38694 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  OBI62163  Ericameria paniculata P. A. Holden 1968-11-24 614 Riverside 5 mi W of Desert Hot Springs Comment
  SD43541  Ericameria paniculata Philip A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1064 Comment
  CAS-BOT-BC131643  Ericameria parishii var. parishii Edmund C. Jaeger 1920-4-9 s.n. Riverside Snow Creek, Colorado Desert 914 Comment
  JOTR16590  Erigeron breweri var. covillei Hogan, J. 1974-6-24 187 Riverside Joshua Tree National Park. 0.6 MILES WEST OF BARRIEADE AT UPPER COVINGTON FLATS Comment
  RSA720464  Erigeron divergens Naomi Fraga, Bryan Carey 2006-6-1 1689 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  POM12780  Erigeron foliosus P. A. Munz 1922-6-23 5785 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784] 1372 Comment
  POM19627  Erigeron foliosus Mary F. Spencer 1923-8-1 2215 Riverside Idyllwild, San Jacinto mts. 1646 Comment
  RSA674953  Erigeron foliosus Scott D. White, Teresa B. Salvato 2001-6-8 8567 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  CAS-BOT-BC296234  Erigeron foliosus var. foliosus H. A. Zuill 1966-6-5 188 Riverside 1-2 miles SW Murrieta Comment
  IRVC27397  Erigeron foliosus var. foliosus A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15776 Riverside N slope of the mtns: nameless tributary to Azalea Creek, ca. 1 mi. due S of the Twin Pines Ranch buildings. San Jacinto Mtns 1128 Comment
  SEINET7063049  Erigeron foliosus var. foliosus A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  UC284165  Erigeron foliosus var. foliosus P. A. Munz 1993-6-18 7133 Riverside Temecula Canyon Comment
  SEINET959316  Erigeron jonesii A. C. Sanders 2006-1 32782 Riverside Schell Creek Range: head of canyon above Rosebud Spring, c. 1 mile SE of V ABM Connor, 2.5 miles south of Hwy 50/93 at Conners Pass (Connor's Pass 7.5 Q) 2499 Comment
  UCR240769  Erigeron philadelphicus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 228 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR18241  Eriochloa contracta Bill Isom 1976-1 s.n. Riverside Sonoran (Colorado) Desert, Palo Verde Valley, south of Blythe, South Lovekin Blvd. 76 Comment
  CSUSB104  Eriodictyon crassifolium Kheng Try Seng 1966-4-13 660413 13 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  RSA0119984  Eriodictyon crassifolium Duncan S. Bell, Thomas Stoughton 2016-4-13 9267 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA16504A  Eriodictyon crassifolium Percy C. Everett 1935-6-17 7154 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA658918  Eriodictyon crassifolium Bob Rogers 1984-4-14 7 Riverside Collected in the San Jacinto river-bed on the North side of Hwy 74, 0.6 miles past Cranston ranger station going east from Hemet towards Mountain Center. 610 Comment
  UC24074  Eriodictyon crassifolium H. M. Hall June, 1901 2006 Riverside western base San Jacinto Mountains; western base San Jacinto Mountains Comment
  RSA0034873  Eriodictyon crassifolium var. crassifolium Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. 213 Comment
  JOTR33771  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2926 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  CAS-BOT-BC248632  Eriogonum apiculatum P. A. Munz; E. K. Balls 1952-8-21 17975 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  RSA393080  Eriogonum apiculatum Anstruther Davidson 1930-1 s.n. Riverside Tahquitz Ridge. 2439 Comment
  UCR5710  Eriogonum apiculatum O. F. Clarke 1966-10-5 661005- 37 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  UCR56075  Eriogonum austrinum G. F. Pratt 1988-12-31 s.n. Riverside Sonoran (Colorado) Desert, Granite Mountains, south of Rice 915 Comment
  CAS-BOT-BC242760  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  UCR102432  Eriogonum davidsonii G. R. Ballmer 1991-8-11 s.n. Riverside Santa Rosa Mountains, Santa Rosa Mountain Rd. (Truck Trail going up Santa Rosa Mountain), at the junction with Hwy 74. west of Deep Canyon Comment
  CAS-BOT-BC256122  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 Riverside Hayfield, 5 mi. W of Desert Center Comment
  UC66494  Eriogonum deflexum var. deflexum E. E. Schellenger 1904-10-19 5 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  RSA772961  Eriogonum elongatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4771 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR3399  Eriogonum elongatum John Minnich 1964-2-27 64-2-27- 4 Riverside Box Springs Mtns., Stone Face Canyon, 0.25 mi. past end of Two Trees Road and 1/2 mi. up side canyon above reservoir Comment
  JEPS57017  Eriogonum elongatum var. elongatum Mary Beal 1939-10-25 705 Riverside deert side of San Gorgonio Pass Mojave Desert Comment
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Mar 15 2014
  UCSB72295  Eriogonum fasciculatum Philbrick, Ralph 1953-6-1 Riverside Joshua Tree National Monument Comment
  UC1032054  Eriogonum fasciculatum var. foliolosum A. Lewis May 1934 435 Riverside Los Pinos Peak Cleveland National Forest, Elsinore Quadrangle, Los Pinos Pe Comment
  JOTR16811  Eriogonum fasciculatum var. polifolium Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  SD160873  Eriogonum gracile var. gracile Virginia Moran 2003-7-17 Riverside Peninsular Ranges;Perris-Aguanga Basin region:Wilson Valley Mitigation Bank,managed by Center for Natural Lands Mgnt.(Two sections that comprise mitigation bank.(S27&33, of Sage & Cahuilla 7.5 Quad).Accessed from Wilson Valley Rd. Comment
  SBBG1528  Eriogonum inflatum H. and M. Dearing 1937-5-10 48 Riverside Thousand Palms Cyn Comment
  UCR165285  Eriogonum inflatum John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR3240  Eriogonum inflatum R. G. Sullivan 1972-4-20 720420- 6 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Whitewater Canyon, 0.5 mi. north of Interstate 10 457 Comment
  RSA393694  Eriogonum molestum N. C. Cooper 1944-7-15 1596 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  RSA393696  Eriogonum molestum N. C. Cooper 1944-6-16 1558 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  UCR99216  Eriogonum molestum G. R. Ballmer 1991-8-11 s.n. Riverside Santa Rosa Mtns, Santa Rosa Mountain Truck Road (Truck trail going up Santa Rosa Mountain), c. 8 mi SE of the junction with Hwy 74. west of Deep Canyon Comment
  CLARK-A1528-3678  Eriogonum nudum Robin Kobaly 1977-8-26 Riverside Comment
  JOTR35375  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. just east of Inspiration Point, localized population in canyon 1620 Comment
  UCR177332  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  CDA23010  Eriogonum thomasii G. D. Barbe, T. C. Fuller 1973-2-27 1047 Riverside 0.2 miles east of Coachella Canal on S.R. 195. Box Canyon Wash. 0 Comment
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Jul 14 2016
  POM2312  Eriogonum thomasii I. M. Johnston 1917-4-4 1091 Riverside Near Palm Springs. Comment
  RSA727868  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SD260122  Eriogonum thomasii J. Andre 2012-4-11 20784 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cotttonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  UCR227181  Eriogonum thomasii Jim Andre 2011-2-9 15935 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCSB1544  Eriogonum thomasii Haller, John 1958-3-22 Riverside immediately S. of Hwy. 60-70; 5.8 miles E. of Desert Center Comment
  UCSB18464  Eriogonum thomasii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.2 miles W of Desert Center 304 Comment
  CAS-BOT-BC262882  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Riverside. Fairmount Park 243 Comment
  SD38957  Eriogonum trichopes Edith A. Purer 1935-4-21 6460 Riverside Desert floor, near Palm Springs Comment
  LA207114  Eriogonum wrightii var. membranaceum Louis C. Wheeler; 1931-10-3 181 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  POM187511  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-10-25 s.n. Riverside The Gavilan Hills. Comment
  JOTR29225  Eriogonum wrightii var. nodosum La Doux, Tasha, Mike Bell 2005-9-15 1333 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  JOTR29590  Eriogonum wrightii var. nodosum Andre, Jim 2006-4-26 6782 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA0123177  Eriogonum wrightii var. nodosum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9066 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA423140  Eriogonum wrightii var. nodosum N. R. Zabriskie, Walter Zabriskie 1970-11-1 330 Riverside Andreas Canyon area, east slope San Jacinto Mountains. 427 Comment
  RSA65012  Eriogonum wrightii var. nodosum F. W. Peirson 1920-12-28 2340 Riverside Along Palm Canyon stream below the Canyon. Comment
  CAS-BOT-BC261930  Eriogonum wrightii var. subscaposum S. B. Parish; W. F. Parish 1880-8-1 595 Riverside San Jacinto Mts Comment
  UC31677  Eriophyllum ambiguum var. paleaceum S. B. Parish Apr 4 1896-Apr 13 1896 4120 Riverside base San Jacinto Mt. (Palm Springs (Agua Caliente)); , Palm Springs (Agua Caliente) 152 Comment
  UC511896  Eriophyllum ambiguum var. paleaceum Frank W. Peirson 1933-4-13 10638 Riverside road from Deep Canyon to Idlewild 762 Comment
  CAS-BOT-BC297357  Eriophyllum confertiflorum Philip A. Munz 1930-5-1 11918 Riverside Dry Morongo Wash, Little San Bernardino Mts 182 Comment
  CDA5248  Eriophyllum confertiflorum A. C. Browne 1952-5-13 Riverside Temecula. 0 Comment
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Mar 18 2014
  RSA689561  Eriophyllum confertiflorum Scott D. White, Michael Honer 2003-4-25 9110 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR158521  Eriophyllum confertiflorum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30019 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  POM12955  Eriophyllum wallacei P. A. Munz, I. M. Johnston 1922-5-21 5533 Riverside Hemet Valley. 1433 Comment
  SD73607  Eriophyllum wallacei Helen V. Witham 1970-4-29 821 Riverside 22 miles east of Lake Hemet. 1000 Comment
  SEINET7063220  Eriophyllum wallacei A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UC1428710  Eriophyllum wallacei J. L. Strother 1973-3-21 1159 Riverside above Chiriaco Summit; Lost Palms Canyon Comment
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Mar 26 2011
  UCR244439  Eriophyllum wallacei Jim Andre 2012-4-16 20940 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  UCR34971  Eriophyllum wallacei L. B. Ziegler 1967-6-21 166 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  UCR87145  Eriophyllum wallacei A. C. Sanders, K. C. Rose, , D. Woodard 1995-3-15 16121 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  SD143858  Erodium botrys A. C. Sanders, O. F. Clarke 1997-5-4 20671 Riverside Beaumont: Near railroad on east side of Highway 79, south of I-10. 793 Comment
  SBBG99346  Erodium cicutarium W. L. Halvorson 1977-3-13 77 -177 Riverside near Temecula Comment
  UCR104158  Erodium cicutarium Scott D. White 1997-5-25 5232 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR154547  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-13 680 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
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Feb 3 2015
  SD185174  Erysimum capitatum T. B. Salvato, John F. Green 2004-5-27 631 Riverside Head of Banning Canyon close to the San bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA530207  Erysimum capitatum var. capitatum N. C. Cooper 1949-6-29 4341 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA0020066  Erythranthe guttata H. K. Wagnon 1944-3-12 340 Riverside west fork of Eagle Canon stream, between Palm Springs and Cathedral City. Comment
  UCR244319  Eschscholzia Jim Andre 2012-4-16 20884 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR139150  Eschscholzia californica S. J. Myers, Andrei Krylor 2003-4-30 s.n. Riverside San Jacinto Mtns. Region, Reed Valley, c. 1.5 mi. SW of Little Cahuilla Mtn. 1098 Comment
  UCR178000  Eschscholzia californica S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR58490  Eschscholzia californica Ed LaRue 1989-6-11 s.n. Riverside Peninsular Range, W side of Lakeview Mtns., c. 1 mi SE of town of Nuevo 640 Comment
  HSC87135  Eschscholzia minutiflora Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2116 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  UCD80948  Eschscholzia minutiflora Chuck Hughes 2009-3-24 67 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 268 Comment
  UCR180229  Eschscholzia minutiflora Scott D. White, Pam Devries 2006-3-14 11257 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR84881  Eschscholzia minutiflora A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16209 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  CAS-BOT-BC419622  Eschscholzia parishii Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  RSA0022921  Eschscholzia parishii Jim Andre, Tasha La Doux 2009-2-25 10804 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA784765  Eschscholzia parishii Duncan S. Bell 2012-3-18 3169 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SD260096  Eschscholzia parishii J. Andre 2012-4-11 20783 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  UC68555  Eschscholzia parishii H. M. Hall Apr., 1905 5898 Riverside Chuckawalla Springs Colorado Desert Comment
  UCR216498  Eschscholzia parishii Jim Andre, T. La Doux 2009-3-10 11234 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR30052  Eschscholzia parishii A. C. Sanders 1983-4-24 3797 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  RSA0022923  Eschscholzia parishii Steve Boyd, Orlando Mistretta 1986-3-13 1452 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA713796  Eucalyptus J. Lyman 1989-2-9 89 -2 Riverside Lakeview, Pressman property in the Bernasconi Hills, just S of the Ramona Expressway, S of Lake Perris and N of Nuevo. Comment
  UCR167433  Eucrypta chrysanthemifolia John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  JEPS1708  Eucrypta chrysanthemifolia var. bipinnatifida Marjorie D. Clary 1614 Riverside 7 mi w Coachella; Colorado Desert, La Quinta Canyon 30 Comment
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Apr 4 2011
  RSA420858  Eucrypta chrysanthemifolia var. bipinnatifida E. C. Jaeger 1922-3-20 809 Riverside Murray Canyon, Colorado Desert. 366 Comment
  LA209968  Eucrypta chrysanthemifolia var. chrysanthemifolia H. L.; 1935-2-21 Riverside Reche Canyon 548 Comment
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Mar 22 2014
  RSA777156  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, S. G. Jett 2008-3-20 11834 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  RSA78474  Eucrypta micrantha Verne Grant, Alva Grant 1952-3-20 17503 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  UCSB42178  Eucrypta micrantha Roos, John 1966-3-26 Riverside 2 miles SE of Desert Center Comment
  SDSU12868  Eulobus californicus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 21 Riverside Close to river ford in Santa Margarita Gorge directly south of Santa Margarita (SDSU) Field Station trailer. 238 Comment
  LA204660  Euonymus occidentalis var. parishii Carl Epling; William Robison 1935-6-30 sn Riverside N fork, San Jacinto River Comment
  UCR176674  Euphorbia G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  UCR116480  Euphorbia albomarginata A. C. Sanders, T. B. Salvato 2001-5-25 24378 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  CDA35314  Euphorbia eriantha G. D. Barbe 1978-5-3 2377 Riverside Chuckwalla Mountains; Corn Springs Wash at end of road, 3.2 miles west of Corn Springs Campground. 0 Comment
  UCR5292  Euphorbia eriantha O. F. Clarke 1966-10-5 661005- 05 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  UCR36093  Euphorbia misera R. F. Thorne, F. R. Fosberg, et al. 1983-4-23 55410 Riverside San Bernardino Mtns, Mouth of Whitewater Canyon, east of Whitewater Post Office at S end of ridge, in sandy wash east of bridge, and on base of W-facing slope of ridge 412 Comment
  OBI14400  Euphorbia palmeri Dieter H. Wilken 1965-6-29 375 Riverside Strawberry Meadows, near Idyllwild, San Jacinto Mts 1554 Comment
  RSA786284  Euphorbia parishii C. P. Cowan 1978-4-23 1189 Riverside 2.7 miles (4.3 km) South on Highway 74 from its jct with Highway 111 at Indian Wells. Whittaker transect- W-218 210 Comment
  SD127590  Euphorbia polycarpa David Charlton 1988-2-18 1146 Riverside South side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park. 609 Comment
  SD229140  Euphorbia polycarpa Dick Schwenkmeyer 2012-11-6 866 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCR188697  Euphorbia polycarpa J. M. Stewart 1989-10-17 618 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  UCR213926  Euphorbia polycarpa Naomi Fraga, Lisa Rojas 2005-2-10 1377 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA432480A  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-7-15 1576 Riverside Palm Springs. 122 Comment
  RSA70387  Euphorbia polycarpa var. hirtella F. W. Peirson 1924-12-30 5418 Riverside Abundant in dry desert sands; Thousand Palms Canyon. 122 Comment
  UCR23554  Euphorbia setiloba John C. Roos 1958-9-28 s.n. Riverside Santa Rosa Mtns., Pinyon Flats 1220 Comment
  UCR35601  Eustoma exaltatum J. M. Stewart 1984-6-18 8447 Riverside Santa Rosa Mtns., Bear Creek Oasis 854 Comment
  JOTR31928  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2169 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  UCR279361  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-24 42983 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  UCR158269  Festuca microstachys A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29493 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR162272  Festuca myuros S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR27192  Festuca myuros Marlyce Myers 1980-4-25 s.n. Riverside Motte Reserve, in the rocky hills 2.5 mi NW of Perris. S end of the Reserve 518 Comment
  UCR177648  Festuca octoflora S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail on slope above Juan Diego Flats, toward Reed Valley, NW of Cahuilla Mountain 1250 Comment
  UCR228881  Festuca octoflora A. C. Sanders 2011-4-6 38997 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR174112  Filago californica A. C. Sanders 2006-5-19 32419 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SEINET7048181  Filago californica Steven R. Hill 2001-5-3 33690 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  SEINET3082771 Image available Filago depressa O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  UCR166300  Filago depressa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16143 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA586304  Filago gallica D. L. Banks, S. D. Boyd 1995-5-3 0215 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA613783  Filago gallica A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20661 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  CDA5867  Flaveria trinervia Lew Davis 1977-12-15 Riverside 1 mile north of Freeway 91, west side of McKinley Street, Corona. 0 Comment
  RSA595703  Forestiera pubescens R. E. Riefner Jr. 1996-7-15 96 -154 Riverside W of community of El Cerrito, NW 1mile from Minnesota Road & Temescal Wash. Comment
  CHSC629  Fouquieria splendens V. Holt 1942-3-28 Riverside Indio. -6 Comment
  RSA0121168  Fouquieria splendens Duncan S. Bell, LeRoy Gross 2016-3-30 9182 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  JEPS122474  Frangula californica subsp. cuspidata J. M. Andre 2012-6-15 30533 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  SD229247  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-4-18 700 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  RSA0045508  Franseria dumosa William Blanchard 1932-4-16 s.n. Riverside Palm Springs Station. TR6. Comment
  POM12743  Fraxinus coriacea P. A. Munz 1922-6-24 s.n. Riverside Pipe Creek, Kenworthy 1524 Comment
  CAS-BOT-BC211017  Fraxinus velutina A. C. Sanders; J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 915 Comment
  UCR23170  Fritillaria biflora C. Filmer 1981-4-12 81- 18 Riverside Gavilan Hills, c. 25 m north of the S entrance to Harford Springs Co. Park. 579 Comment
  UCR281533  Funastrum cynanchoides var. hartwegii Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 86 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  UCR112980  Gaillardia pulchella Mitch Provance 1998-6-20 754 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  CAS-BOT-BC223037  Galium angustifolium A. C. Sanders 2006-5-19 32435 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn., Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR133424  Galium angustifolium Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 208 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR174537  Galium angustifolium Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-21 309 Riverside Peninsular Ranges: Box Springs Mtns., Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  POM12926  Galium angustifolium subsp. angustifolium Philip A. Munz 1922-6-27 5858 Riverside Santa Rosa, Santa Rosa Mts. 2012 Comment
  RSA505021  Galium angustifolium subsp. angustifolium D. Charlton 1988-5-21 1912 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UC1536778  Galium angustifolium subsp. angustifolium G. H. True 1935-4-10 220 Riverside Box Springs Sycamore Canyon Comment
  UC917858  Galium angustifolium subsp. angustifolium Frank W. Gould 1943-4-17 2121 Riverside 12 mi s Corona Comment
  RSA695500  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1696 Riverside Fuller Mill Creek just N of junction with Dark Canyon. 1494 Comment
  POM367762  Galium aparine Robert Gustafson 1985-5-20 3115 Riverside San Jacinto Mtns., R-1, between Lake Fulmar and Allandale. Comment
  RSA0022211  Galium aparine D. W. Stevens 1966-5-21 834 Riverside Thomas Mt. Camp. Comment
  RSA701504  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1298 Riverside Along Chimeny Flats Road (5S06) near intersection with Red Hill Road (5S10), on the way to Alvin Meadows. 1463 Comment
  RSA701506  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-8 1301 Riverside On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows). 1524 Comment
  JOTR32839  Galium multiflorum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1481 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  UC64380  Galium parishii H. M. Hall 1897-7-30 Riverside Santa Rosa Peak San Jacinto Mountains Comment
  RSA0042107  Galium stellatum Duncan S. Bell, Deidre Conocchioli 2014-3-11 6228 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  RSA735314  Galium stellatum var. eremicum Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11268 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA391431  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Oak Ledge [Oak Cliffs], mouth of San Jacinto Canyon Comment
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Nov 20 2011
  UC748987  Garrya veatchii Susan Delano McKelvey 1936-1-1 5049 Riverside turnoff to Anza (Palms to Pines Highway); San Jacinto Mts. Comment
  RSA761893  Gayophytum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 706 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  OBI12029  Gayophytum diffusum subsp. parviflorum Dieter H. Wilken 1965-6-29 336 Riverside Hall cyn, at Lake Fulmor, San Jacinto Mts 1494 Comment
  UCR23532  Gayophytum diffusum subsp. parviflorum John C. Roos 1937-8-18 2529 Riverside San Jacinto Mtns, Round Valley 2744 Comment
  UCR92036  Gazania linearis Scott D. White 1995-7-7 3461 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  POM358660  Geraea canescens P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA726536  Geraea canescens Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1430 Riverside Along Palen Road near Hwy 177. 170 Comment
  SEINET10726153  Geraea canescens David B. Dunn 1946-2-23 Dunn 1962 Riverside Collected in mud flats dry and caked and split. All American Canal catch basin from desert washes. Orocopia Mts. northeast of the Salton Sea. Very arid country. Comment
  UC1929465  Geranium carolinianum Scott D. White, Michael Honer 2003-6-3 9479 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  SD133043  Gilia Scott White 1991-5-10 91 142 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  SEINET7072822  Gilia angelensis A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 6" North Latitude, -116? deg. 49' 57" West Longitude, Coordinate datum: NAD27.). Comment
  UCR59134  Gilia angelensis N. M. Fellows 1985-3-16 112 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts Comment
  UCR97490  Gilia australis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19891 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA776280  Gilia capitata subsp. abrotanifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 882 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UC310671  Gilia capitata subsp. abrotanifolia Philip A. Munz 1926-5-2 10425 Riverside about 5 mi nw Dripping Springs; nw of Dripping Springs Comment
  JEPS4108  Gilia diegensis W. L. Jepson May 17 1901-Jun 1 1901 1300 f Riverside Strawberry Valley , Strawberry Valley (Mt. San Jacinto) Comment
  RSA489834  Gilia diegensis D. Charlton 1988-5-28 2132 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  RSA67306  Gilia diegensis G. R. Campbell 1951-4-22 16003 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  RSA783529  Gilia latiflora J. D. Olmsted 1958-6-15 175 Riverside Idyllwild School of Music and Arts, south of Idyllwild. In dry grassland near Strawberry Creek. 1524 Comment
  UC665781  Gilia latifolia Ira L. Wiggins 1941-3-24 9587 Riverside 1 mi n Imperial County Line (on e side Salton Sea); e side of Salton Sea Comment
  UCR132927  Gilia ochroleuca John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  SBBG101681  Gilia ochroleuca subsp. exilis S. Boyd 1986-4-19 1703 Riverside E side of Indian Wash between Interstate 15 and Temescal Cyn Rd; Temescal Cyn Comment
  UCR281257  Gilia ochroleuca subsp. exilis Mitch Provance, Jeremiah George 2017-3-23 317- 63 Riverside Temescal Valley, Indian Wash, NE of I-15 and S of Temescal Canyon Rd. 351 Comment
  JOTR32970  Gilia stellata La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2721 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA26979  Gilia stellata C. L. Hitchcock 1940-4-3 5931 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA593781  Githopsis diffusa subsp. diffusa Jeri Hirshberg 1995-5-19 276 Riverside San Jacinto Mountains, Garner Valley, north of Morris Creek. Comment
  CLARK-A1528-2365  Githopsis specularioides John C. Roos 1950-4-22 4750 Riverside Reche Canyon 822 Comment
  RSA0028237  Gnaphalium John F. Emmel 1988-4-23 1082 Riverside Riverside/San Bernardino County Line. Joshua Tree National Monument; wash 0.2 air mile NE to 1.2 air mile NNE of summit of Negro Hill, at NE end Queen Valley. 1363 Comment
  SDSU14083  Gnaphalium californicum Jonathan S. Austin, Michael G. Simpson 2002-4-20 12 Riverside Along northeastern part of Loop trail. Santa Margarita Ecological Reserve. 338 Comment
  UCR113868  Gnaphalium canescens Mitch Provance 1999-1-1 1040 Riverside City of Riverside, Granitic knoll c. 0.1 miles SW of Victoria Hill (pk 1005), west of the corner of Ivy St. and Victoria Ave. 311 Comment
  UCR65274  Gnaphalium canescens subsp. microcephalum Steve Boyd, O. Mistretta 1989-7-18 3765 Riverside Peninsular Range, Vail Lake Area, Temecula Creek Canyon 0.5 mi west of dam 421 Comment
  UCR91735  Gnaphalium luteoalbum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18105 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  POM157887  Gnaphalium palustre P. A. Munz 1927-5-20 10799 Riverside Murrieta Hot Springs. Comment
  RSA544284  Gnaphalium palustre Steve Boyd 1991-6-14 6363 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA91699  Gnaphalium palustre F. W. Peirson 1924-7-29 5030 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  UCR133685  Gnaphalium stramineum Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR27182  Gnaphalium stramineum A. C. Sanders, S. Hagopian 1981-5-20 2138 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA478804  Grayia spinosa T. H. Holmes 1932-3-18 s.n. Riverside White Water, Palm Springs. Comment
  UCR88293  Grayia spinosa A. C. Sanders, K. C. Rose 1995-4-5 16379 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CLARK-A1528-1863  Gutierrezia bracteata John C. Roos 1937-7-11 1506 Riverside Reche Canyon Comment
  SD186087  Gutierrezia californica A. C. Sanders 2004-6-20 28212 Riverside Temescal Canyon, Serrano Highlands project between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR20714  Gutierrezia californica A. C. Sanders 1980-5-2 1435 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR89234  Gutierrezia californica Scott D. White 1995-9-22 3687 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  RSA486456  Gutierrezia sarothrae Richard Noyes, L. Arnseth 1988-10-30 760 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  UC1118605  Gutierrezia sarothrae A. Lewis 1934-5-1 459 Riverside Leach Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  SD137837  Harpagonella palmeri Darin L. Banks, Steve Boyd 1995-5-9 316 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 730 Comment
  UCR48339  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  RSA561507  Hazardia squarrosa var. grindelioides Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7667 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA0094790  Hedypnois cretica Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7935 A Riverside San Gorgonio Pass area, between Cabazon and Whitewater, about a 1/2 mile south of Interstate 10, just to the east of a section of the wind farm. 416 Comment
  UCR102884  Hedypnois cretica A. C. Sanders 1997-3-26 20124 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA180349  Helianthemum scoparium var. aldersonii E. W. Lathrop 1965-5-18 5754 Riverside 8 miles W of Murrieta; hills around 300 ft high. 609 Comment
  RSA648739  Helianthemum scoparium var. scoparium J. C. Roos 1941-2-1 226 a Riverside south of thePlateau, Reche Canyon. Comment
  CAS-BOT-BC305360  Helianthus annuus Lewis S. Rose 1966-12-11 66095 Riverside Palm Springs 152 Comment
  RSA0018590  Helianthus annuus Duncan S. Bell 2013-1-30 4456 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  CAS-BOT-BC305709  Helianthus gracilentus Wesley O. Griesel 1962-6-29 s.n. Riverside Road between Banning and Idyllwild, San Jacinto Mountains 1524 Comment
  RSA0036472  Helianthus gracilentus J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA650770  Helianthus gracilentus C. J. Humphrey 1936-6-7 446 Riverside [Unspecified] Comment
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Dec 15 2011
  UCSB37797  Helianthus niveus Roos, John 1965-4-28 Riverside Palm Springs Comment
  UCR107871  Helianthus petiolaris D. C. Hawks 1997-9-13 s.n. Riverside San Bernardino Valley, Near Ontario [SBdno Co.], SE of intersection of Mission Ave. & Milliken Ave. [just east of county line] Comment
  RSA180444  Hemizonia fasciculata E. W. Lathrop 1960-6-8 4927 Riverside 14 miles west of Murrieta Comment
  POM5967  Hemizonia kelloggii Jenkins, Street s.n. Riverside Hemet Comment
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Feb 3 2013
  UCR158258  Hemizonia kelloggii A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30105 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR134655  Hemizonia paniculata Mitch Provance 1998-4-9 406 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  UCR167510  Hemizonia paniculata Scott D. White, Michael Honer 2004-4-6 10063 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UCR229498  Hemizonia paniculata Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  CLARK-A1528-1922  Hemizonia paniculata subsp. paniculata John C. Roos 1965-6-30 Riverside Edgemont Comment
  UCR68036  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-5-19 1875 Riverside Perris-Aguanga Basin region, Domengoni-Diamond Valley, c. 100 m SE of intersection of Newport Rd. and Los Hermanos Rd. [site now under water of Diamond Valley Reservoir] 518 Comment
  RSA0008432  Hemizonia pungens subsp. laevis P. A. Munz, J. M. Johnston 1922-5-18 5321 Riverside 3 miles south of Elsinore Comment
  RSA377066  Hesperocallis undulata W. Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  RSA562056  Hesperocallis undulata Steve Boyd, Carol Boyd 1992-4-19 6928 Riverside N end of the Granite Mountains along powerline road near junction of Highway 177 and Highway 62. Area of transition between Mojave and colorado Deserts. Comment
  UCR138813  Hesperocnide tenella D. L. Banks 1997-2-17 1269 Riverside Agua Tibia Mountains, NW Palomar Mountains: NW foothills of Dorland Mtn at the S end of Los Caballos Road the University of California-Emerson Oaks Reserve. The westernmost portion of the Preserve, south of a large, privately owned citrus grove 506 Comment
  SD232213  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-7-9 12429 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1426 Comment
  SD51950  Heterocodon rariflorum Reid Moran 1962-7-7 9854 Riverside Near Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  SDSU13944  Heterocodon rariflorum Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2109 Riverside Wet meadow region, south end of second small meadow north of El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  SD122178  Heteromeles arbutifolia James C. Dice, Ruth Miller 1987-11-23 754 Riverside Santa Margarita Ecological Reserve: Temecula Gorge, north bank of Santa Margarita River, just east of aqueduct crossing. 245 Comment
  SEINET10419994  Heterotheca grandiflora Norman C. Cooper 1943-9-11 901 Riverside Banning. 610 Comment
  UCR34904  Heterotheca sessiliflora subsp. echioides L. B. Ziegler 1966-8-9 075 Riverside San Jacinto Mtns., Hemet (Thomas-Garner) Valley 1418 Comment
  SD237606  Heuchera elegans R. G. Swinney 1996-7-9 5040 Riverside San Gabariel Mountains: Sugarloaf Peak, easat and west summits and saddle between, south of Icehouse Canyon parking area (Mt. Baldy 7.45'Q) 2088 Comment
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Dec 13 2015
  CAS-BOT-BC47578  Heuchera parishii Carl B. Wolf 1932-8-5 3977 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  CHSC99615  Hibiscus denudatus LeRoy Gross 2005-3-3 1589 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. Growing in sandy wash. 225 Comment
  RSA457780  Hibiscus denudatus Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2218 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA567648  Hibiscus denudatus A. C. Sanders, E. J. Lawlor 1992-4-4 12093 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SBBG71436  Hibiscus denudatus M. N. Ackley 1928-4-3 709 Riverside Clarys Cyn, Coral Reef Ranch 152 Comment
  CAS-BOT-BC206108  Hoffmannseggia microphylla Ira L. Wiggins 1941-3-27 9690 Riverside 8.2 miles west of Shaver's Summit Comment
  CAS-BOT-BC207562  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well Comment
  LA45806  Hoffmannseggia microphylla A. M. Johnson; 1933-4-28 4216 Riverside Indian Wells, highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  SD44854  Hoffmannseggia microphylla Darley F. Howe 1952-4-27 2185 Riverside Highway east of Mecca at All American Canal Comment
  UCR121802  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24052 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  RSA608533  Hordeum intercedens D. E. Bramlet 1996-4-18 2456 Riverside San Jacinto Wildlife Area, approximately 762 m. northeast of Lakeview. The site is found 122 m. east of Davis road and 40 m. north of Marvin Road., ~37 44 856mN X 4 88 940mE 434 Comment
  UCR91873  Hordeum intercedens A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18046 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCSB45608  Hordeum intercedens Roos, John 1952-4-23 Riverside 1 mile southeast of Perris 426 Comment
  UCR180348  Hordeum murinum Scott D. White, Angelia Carey 2004-4-5 10032 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR92319  Hordeum murinum Scott D. White 1995-3-30 2681 Riverside San Jacinto Valley, Moreno Valley: base of Badlands slopes, north of Highland Blvd & west of Theodore St 579 Comment
  RSA192268  Hordeum murinum subsp. leporinum E. W. Lathrop 1966-5-1 6235 Riverside 3 miles W of Murrieta Comment
  RSA522779  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3886 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UC114267  Horkelia clevelandii C. R. Orcutt 1890-7-25 2104 Riverside San Jacinto Mts. Comment
  CAS-BOT-BC203388  Horsfordia newberryi Samuel B. Parish 1880-4-10 200 Riverside Toros [Toro or Torres]. Borders of Coldo [Colorado] Desert Comment
  SEINET5327478  Hosackia oblongifolia var. oblongifolia H. M. Hall s.n. Riverside San Jacinto Mt. Comment
  RSA249826  Hulsea vestita subsp. callicarpha R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38088 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCR110974  Hulsea vestita subsp. callicarpha George K. Helmkamp 1998-6-27 4114 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR34975  Hulsea vestita subsp. callicarpha L. B. Ziegler 1967-5-31 142 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  JOTR01267  Hulsea vestita subsp. parryi Cole, James E. 1941-5-30 831 A Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1493 Comment
  RSA126704  Hymenoclea salsola Peter H. Raven 1958-1-23 11414 Riverside 2.7 miles west of Whitewater Post Office. Comment
  RSA78308  Hymenopappus filifolius var. lugens P. A. Munz, E. K. Balls 1952-8-21 17987 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UCR238062  Hymenopappus filifolius var. lugens Mark A. Elvin 2004-6-2 3499 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  UC871762  Hypericum anagalloides P. A. Munz 1922-7-6 5998 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  CAS-BOT-BC219747  Hyptis emoryi Geo. B. Grant 1906-5-1 776 -6610 Riverside On Colorado Desert at Palm Springs Comment
  CAS-BOT-BC219773  Hyptis emoryi Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  JEPS63298  Hyptis emoryi Mary Beal 1941-4-6 864 Riverside Colorado Desert, Coachella Valley, Box Canyon, Mecca Hills Box Canyon; Colorado Desert, Coachella Valley, Box Canyon Comment
  RSA420149  Hyptis emoryi Jack Rempel 1932-11-13 s.n. Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  UC604959  Hyptis emoryi Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills, up Painted Canyon Comment
  UCSB5686  Hyptis emoryi Atsatt, Pete 1958-3-22 Riverside 7 miles east of Desert Center on Highway 60 & 70. Comment
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Nov 23 2014
  UCD126498  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside northwest of Neighbors Blvd. and Ave. 22, 1.4 miles north of Ripley. Comment
  UCR80809  Iris hartwegii Scott D. White 1993-5-29 1467 Riverside San Bernardino Mtns., Big Oaks Canyon, Yucaipa Ridge 1835 Comment
  CAS-BOT-BC311614  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Salton Basin. Indio -6 Comment
  RSA717624  Isocoma acradenia var. eremophila Scott D. White, Andrea Warniment 2006-3-29 11277 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UCR91457  Juglans californica Scott D. White 1995-3-30 2683 Riverside San Jacinto Valley, Moreno Valley: base of Badlands slopes, north of Highland Blvd & west of Theodore St 579 Comment
  JEPS66903  Juncus acutus subsp. leopoldii Jos. Burtt Davy 1902-3-25 7935 Riverside Indio Comment
  RSA336180  Juncus bufonius Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51978 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR176938  Juncus bufonius A. C. Sanders, Guy Bruyea 2003-6-12 26887 .2 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR132827  Juncus dubius A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22274 Riverside San Jacinto Mtns., Hwy 74, roadside seep c. 2 miles below (west of) Mountain Center 1250 Comment
  SEINET10899618  Juncus macrandrus David B. Dunn 1948-2-21 Dunn 3689 Riverside Found beside upper end of springs. Pushawalla canyon, indio hills of the Colorado desert; w of indio Comment
  POM14181  Juncus rugulosus E. C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon, [along Potrero Creek] Comment
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Nov 5 2011
  POM184650  Juncus rugulosus L. C. Wheeler 1931-10-3 188 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  SD185070  Juncus rugulosus T. B. Salvato, Melissa Clemons 2005-6-23 1317 Riverside Temescal Valley, 3.0 m iles northwest of Alberhill, Temescal Canyon Road at Corona Lake. 353 Comment
  UCR20884  Juncus sphaerocarpus A. C. Sanders 1978-7-3 784 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  CHSC23887  Juncus tiehmii R. F. Thorne 1969-6-24 38115 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon. 1676 Comment
  UC126712  Juncus triformis F. M. Reed 1908-7-12 2481 Riverside Surprise Lake; San Jacinto Mountains Comment
  RSA296134  Juncus xiphioides B. A. Prigge 1980-8-5 3843 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA593992  Juncus xiphioides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 948 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  UCR18437  Juncus xiphioides J. Olmstead 1966-6-7 s.n. Riverside Santa Rosa Mtns., Deep Canyon between road end & first falls, above gauging station 610 Comment
  RSA297031  Juniperus californica John F. Emmel 1974-3-3 473 Riverside Canyon 0.5 air mile E. & ENE of peak 4416 on 1956 USGS topographic quad., N. end Coxcomb Mts. 1219 Comment
  UC68658  Juniperus californica H. M. Hall May, 1905 6040 Riverside Cottonwood Pass Colorado Desert 670 Comment
  CAS-BOT-BC234604  Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Wagle [Eagle] Mts. 457 Comment
  JOTR31987  Justicia californica La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2221 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; small bowl with underground water seep at top of bouldery canyon 815 Comment
  OBI20392  Justicia californica Robert F. Hoover 10163 Riverside Dead Indian Canyon Comment
  RSA1267  Justicia californica Carl B. Wolf 1930-5-25 838 Riverside Chuckawalla Valley, Colorado Desert. Comment
  RSA402303  Justicia californica Gale Sphon 1955-5-15 s.n. Riverside Dead Indian Canyon near Palm Springs. Comment
  SEINET7248824 Image available Justicia californica L. S. Rose 1946-1 46304 Riverside Tahquitz Canyon Wash, Palm Springs 139 Comment
  UC672446  Justicia californica H. L. Mason 1927-3-11 4251 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  CAS-BOT-BC516698  Kallstroemia californica A. C. Sanders; T. B. Salvato 2012-10-12 40425 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, along Wileys Well Rd., c. 3 mi N of Wileys Well/Bradshaw Trail 155 Comment
  UCR98695  Keckiella antirrhinoides var. antirrhinoides S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  CLARK-A1528-855  Keckiella cordifolia C. M. Flanagan 1973-6-13 OO 715 Riverside Morongo Indian Reservation 914 Comment
  OBI37488  Keckiella cordifolia Steve Boyd 1985-7-23 1022 Riverside De Luz Rd, 8.5 mi W of rancho California 274 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
  UCD85970  Koeleria macrantha F. M. Reed 1924-4-20 5133 Riverside Kyle canon on Box Springs Mountain. 426 Comment
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May 1 2011
  SEINET260220 Image available Koeleria pyramidata M. Curto, L. Allen 1990-6-25 680 Riverside San Bernardino National Forest ; San Jacinto Mts SBNF Rd 5S10 ca 3km SE of Pine Cove 1830 Comment
  SBBG114130  Krameria bicolor E. Collins 1995-4-9 Riverside Corn Springs Cmpgrd 518 Comment
  SBBG68478  Krameria bicolor Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  CAS-BOT-BC168506  Krameria erecta Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9002 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  CAS-BOT-BC43702  Krameria erecta L. R. Abrams 1926-3-26 11104 Riverside Between Edom and Garnet east of San Gargonio Pass Comment
  RSA3960  Krameria erecta Carl B. Wolf 1932-4-29 3098 Riverside mesas at Western edge of Maria Mts., eastern Colorado Desert, 20 mi. from Blythe on Rice road. 152 Comment
  SBBG109172  Krameria erecta D. Wilken with G. A. Wilken 1997-11-1 15375 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  UC1329992  Krameria erecta James E. Cole 1941-5-21 760 Riverside Cottonwood Road Dale (Joshua Tree National Monument); , Dale 914 Comment
  SEINET229295  Krameria grayi L. M. Shultz, JS Shultz 1985-4-17 8305 Riverside Southern extension of the Big Maria Mountains 98 Comment
  JOTR01074  Krameria grayi Cole, James E. 1941-5-22 768 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  POM361462  Lagophylla ramosissima Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR133329  Lamarckia aurea John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR1649  Langloisia schottii Ken Calhoun 1962-3-18 21 Riverside Sonoran (Colorado) Desert, hills 0.5 mi. north of stop sign at entrance to White Water Canyon 457 Comment
  RSA0123345  Langloisia setosissima subsp. setosissima Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8988 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UC68781  Langloisia setosissima subsp. setosissima H. M. Hall Apr., 1905 5807 Riverside 10 mi. w. Coachella; Colorado Desert 152 Comment
  SD225025  Laportea ovalifolia A. C. Sanders 1995-11-30 17926 Riverside Riverside: week in the UCR Botanic Garden. 365 Comment
  RSA0068129  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot, Forrest Freund 2015-4-1 71 Riverside Sonoran Desert; Coachella Valley; Santa Rosa Mountains; south of La Quinta; north of Devil Canyon; 2.5 miles west of Lake Cahuilla. 136 Comment
  RSA115036  Larrea tridentata E. K. Balls, Percy C. Everett, S. Tillett 1955-7-19 20976 Riverside Hwy 74, 12 mi. E and N from Pinyon Flat F.S. Campground on road to Palm Springs Comment
  RSA799880  Larrea tridentata D. M. Ray 2011-3-5 5 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SBBG67805  Larrea tridentata M. N. Ackley -Feb-1926 1146 Riverside Mecca -60 Comment
  SEINET4907864  Larrea tridentata H. F. Thut 1971-1-31 s.n. Riverside W of Blythe. 305 Comment
  UCR196388  Larrea tridentata Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1444 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  CAS-BOT-BC338917  Lasthenia californica A. C. Sanders; W. W. Wright; J. Latting; et al 1974-5-4 684 Riverside Santa Rosa Plateau, Santa Ana Mtns.: Mesa de Burro 610 Comment
  RSA523517  Lasthenia coronaria Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3976 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA585501  Lasthenia coronaria D. L. Banks, S. D. Boyd 1995-5-9 0363 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  SD130360  Lasthenia coronaria Ed LaRue 1990-4-13 Riverside 0.5 mile northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  UC63215  Lasthenia coronaria H. M. Hall 1903-4-1 3833 Riverside vicinity of Riverside 365 Comment
  UCR103487  Lasthenia coronaria D. E. Bramlet 1992-4-23 2239 Riverside Peninsular Range, Perris-Aguanga Basin Region, Double Butte Park, in bowl area between the Double Buttes, c. 610 m north of the edge of the old landfill, and 107 m east of the existing (eastern) access road 500 Comment
  POM157928  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10842 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  RSA550492  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-9 2218 Riverside 2.3 km west of Lakeview and 150m east of San Jacinto River. The site is approx. 120m north of the MWD easement road. 433 Comment
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Dec 26 2010
  UC62984  Lasthenia gracilis H. M. Hall 1902-4-18 2888 Riverside Coahuila mesa Coahuila Comment
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Jun 21 2011
  RSA406615  Lathyrus vestitus Anstruther Davidson 1920-05 s.n. Riverside Temescal Comment
  UCR35017  Lathyrus vestitus subsp. alefeldii L. B. Ziegler 1967-6-27 182 Riverside San Jacinto Mtns, Hemet Valley 1585 Comment
  POM15152  Lathyrus vestitus subsp. laetiflorus Mary F. Spencer 1922-6-24 s.n. Riverside Idyllwild, San Jacinto Mountains. 1768 Comment
  CAS-BOT-BC379675  Layia platyglossa Cecil Hart 1922-5-21 17 Riverside San Jacinto Mt. Comment
  UCR21944  Layia platyglossa Steve Boyd 1980-5-3 195 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR241409  Layia platyglossa T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7443 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  CLARK-A1528-1983  Layia ziegleri John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  UCR193544  Layia ziegleri A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35614 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  POM319692  Lemna valdiviana Patricia Wilder 1970-10-30 4860 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  RSA594041  Lemna valdiviana Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 945 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA429965  Lepidium Ora M. Clark 1929-3-17 s.n. Riverside N of La Quinta. Comment
  RSA562054  Lepidium dictyotum Steve Boyd, Timothy S. Ross 1992-4-1 6773 Riverside Temescal Canyon, terrace escarpments between Indian and Horsethief Washes along De Palma Road. 412 Comment
  UCR202049  Lepidium dictyotum var. acutidens Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  UCR96863  Lepidium dictyotum var. acutidens Scott D. White 1993-4-30 1323 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  CAS-BOT-BC89582  Lepidium lasiocarpum Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2122 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  RSA678114  Lepidium lasiocarpum var. lasiocarpum V. Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1089 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UCR251698  Lepidium nitidum T. B. Salvato 2014-4-9 7841 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  RSA653672  Lepidium pinnatifidum A. C. Sanders, K. C. Rose 1999-6-18 22823 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester 433 Comment
  CLARK-A1528-2330  Lepidium virginicum John C. Roos 1952-4-8 5475 Riverside Riverside 259 Comment
  RSA34595  Lepidium virginicum N. C. Cooper 1944-6-16 1390 Riverside San Jacinto Mountains, west side. 1372 Comment
  RSA544286  Lepidium virginicum var. pubescens Steve Boyd, Timothy S. Ross 1991-6-14 6361 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UCR20894  Lepidium virginicum var. pubescens A. C. Sanders 1978-7-1 00238 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  CDA23632  Lepidospartum squamatum Mike Lahti 2008-8-19 PDR# 1473307 Riverside Hemet, 41801 East Benton Rd. 0 Comment
  RSA346266  Lepidospartum squamatum R. F. Thorne 1980-4-16 54041 Riverside San Bernardino Mts: White Water River, S of bridge, just W of Whitewater 396 Comment
  RSA614495  Lepidospartum squamatum A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15806 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  RSA777278  Lepidospartum squamatum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4554 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD60290  Lepidospartum squamatum Carl B. Wolf 1932-10-11 4269 Riverside Mouth of Whitewater Wash. 305 Comment
  UCR19393  Lepidospartum squamatum C. S. Papp 1962-12-9 234 Riverside 2 mi southeast of Riverside [Sycamore Canyon] Comment
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Jul 19 2012
  UCR39350  Leptochloa filiformis A. C. Sanders 1985-8-24 5947 Riverside Sonoran (Colorado) Desert, lower Coachella Valley near Oasis on the dirt extension of Avenue 76, 0.4 mi east of Hwy 195, along the south side of a large drain flowing toward the Salton Sea -55 Comment
  UCR59699  Leptochloa filiformis George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  POM364672  Leptosiphon floribundus E. Crow 1929-4-21 341 Riverside Hills west of Lake elsinore Comment
  RSA0095144  Leptosiphon floribundus subsp. glaber Scott D. White, Tasha La Doux 2000-4-20 7702 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA92587  Leptosiphon liniflorus J. C. Roos 1952-5-26 5712 Riverside Hass' Ranch. Reche Canyon. 457 Comment
  RSA544406  Leymus triticoides Steve Boyd, Timothy S. Ross 1991-6-14 6374 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  MACF020319  Libocedrus decurrens B. Thomas 1967-12-29 59 - Riverside On Hwy. 74 coming up from Palm Desert. On the roadside, the one obvious specimen 20 feet from the road on the otherside of a barbed wire fence beside a ditch. 1493 Comment
  UCR121236  Linanthus androsaceus subsp. luteolus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2257 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  POM13331  Linanthus bigelovii E. C. Jaeger 1921-4-1 1095 Riverside Pinon Flat. Comment
  RSA791484  Linanthus bigelovii J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21078 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  RSA720466  Linanthus dianthiflorus Naomi Fraga, Tim Thibault 2006-5-16 1672 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  RSA747561  Linanthus dianthiflorus Michael Honer 2003-4-11 1818 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349. 640 Comment
  UCR35064  Linanthus dianthiflorus subsp. farinosus L. B. Ziegler 1968-3-30 271 Riverside San Jacinto Mtns., Foothills, adjacent to St. Johns Grade 610 Comment
  RSA741064  Linanthus liniflorus Scott D. White, Justin M. Wood 2008-6-5 12071 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA740081  Linum lewisii Scott D. White, Justin M. Wood 2008-6-16 12146 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  SDSU13907  Lithophragma affine Michael G. Simpson 2000-4-2 2066 Riverside Santa Margarita Ecological Reserve (SDSU), ca. 1/4 mile east of Northside field station on bank above dry creek bed. 335 Comment
  UCR27119  Lithophragma affine T. P. Krantz 1982-5-25 s.n. Riverside Peninsular Range; San Jacinto Mtns., Baldy Mountain mesa above the west end of Garner Valley 1585 Comment
  SEINET3522941 Image available Lobularia maritima K. S. Gill 1965-3-14 Riverside On campus UCR. waste land near parking lot No. 19. Comment
  SBBG81479  Loeseliastrum matthewsii S. A. Junak 1983-3-23 1624 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  JEPS69813  Loeseliastrum schottii Samuel B. Parish Mar 1884 Riverside Agua Caliente (= Palm Springs of Mt. San Jacinto) Colorado Desert, Agua Caliente Comment
  RSA526498  Lomatium lucidum Steve Boyd, Timothy S. Ross 1990-5-11 4693 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UC1167711  Lomatium mohavense Peter H. Raven 1958-5-5 12898 Riverside w. Split Rock Tank (Joshua Tree Nat'l Monument); Joshua Tree Nat'l Monument Comment
  CLARK-A1656-675  Lomatium utriculatum Milton Walker 1978-3-28 Riverside San Jacinto Mountains 1066 Comment
  SD7635  Lomatium utriculatum unknown May 1882 Riverside San Jacinto Plain Comment
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Jul 12 2010
  POM307778  Lomatium vaginatum Henry J. Ramsey, Henry J. Ramsey 1938-3-26 2553 Riverside Corona-Elsinore Road. Comment
  RSA97436  Lomatium vaginatum F. W. Peirson 1922-4-29 2932 Riverside South of Lake Elsinore. 381 Comment
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Dec 8 2013
  UCR154388  Lonicera subspicata A. C. Sanders, Mike Misenhelter 2005-6-15 30985 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  POM128323  Lonicera subspicata var. denudata H. M. Hall 1897-08 s.n. Riverside San Jacinto Mountains. Comment
  RSA115034  Lonicera subspicata var. denudata E. K. Balls 1955-07 20973 Riverside San Jacinto Mountains, Hwy 74, Hemet to Idyllwild, 2.8 miles NW from Mountains Center. 1189 Comment
  PASA278  Lonicera subspicata var. johnstonii 1920-6-22 Riverside Dripping Springs, Temecula River 457 Comment
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Jun 24 2016
  SEINET3815175  Lophocereus schottii John L. Anderson, Duncan Bell and Kim Clark 2013-1 Riverside Comment
  RSA748359  Lotus crassifolius var. crassifolius Sarah J. De Groot, Naomi Fraga 2004-7-8 4389 Riverside San Jacinto Mountains: East of Idyllwild along Chimney Flats Road 5S06, off end of Tollgate Road. Between intersection of 5S06 and 5S24 and intersection of 5S06 with 5S04. 1524 Comment
  UCR26372  Lotus grandiflorus A. C. Sanders 1981-7-11 2207 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  SDSU4302  Lotus heermannii bruhns 1965-5-22 112 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Comment
  RSA735982  Lotus humistratus Scott D. White, Justin M. Wood 2008-5-12 11947 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  UCR250382  Lotus humistratus A. C. Sanders, John F. Green 2014-4-4 40967 Riverside Peninsular Range; Elsinore Trough, N of Elsinore at Alberhill, along Lake St. south of the Temescal Canyon Rd. intersection, 378 Comment
  JEPS55538  Lotus nevadensis var. nevadensis W. L. Jepson 1903-8-7 2287 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  RSA627510  Lotus oblongifolius Scott D. White 1998-7-31 6953 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  LA47937  Lotus oblongifolius var. oblongifolius Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UC489086  Lotus oblongifolius var. oblongifolius C. V. Meyer 1928-7-24 Riverside Idyllwild Falls San Jacinto Mts. 1981 Comment
  CLARK-A1528-5009  Lotus purshianus John C. Roos 1937-6-7 2400 Riverside San Jacinto Comment
  RSA789414  Lotus purshianus Naomi Fraga 2008-8-28 2610 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  RSA406795  Lotus rigidus Christopher Davidson 1973-4-19 1977 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  SEINET2042331 Image available Lotus rigidus George K. Helmkamp, E. A. Helmkamp 1998-4-23 3376 Riverside Santa Rosa Mountains; Pinyon Pines along CA-74 between the San Jacinto and Santa Rosa Mountains. 1296 Comment
  UC1543245  Lotus rigidus Donald G. Nelson 1936-5-22 386 a Riverside near base of Santa Rosa Mountains (Ribbon Wood Camp, Pines to Palms Highway, on trail down to stream in Palm Springs Canyon); Santa Rosa Mountains Comment
  UCR122769  Lotus rigidus George K. Helmkamp, E. A. Helmkamp 1998-4-24 3376 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  POM158595  Lotus salsuginosus G. R. Vasey 1880-06 126 Riverside Temecula Comment
  POM50378  Lotus scoparius var. brevialatus W. W. Eggleston 1924-3-8 19525 Riverside Hemet. 480 Comment
  RSA775494  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4412 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA775268  Lotus strigosus Duncan S. Bell 2011-4-8 2203 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  RSA786103  Lotus strigosus C. P. Cowan 1978-4-25 1267 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  SEINET7063560  Lotus strigosus A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  SEINET7073384  Lotus strigosus A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR100870  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1998-2-18 2704 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR93024  Lotus strigosus G. P. Schultz 1994-4-7 65 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA627576  Lotus strigosus var. hirtellus Scott D. White, Julia Greene 1998-8-1 6970 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  CLARK-A1528-2810  Lotus subpinnatus John C. Roos 1952-4-9 5478 Riverside Riverside 259 Comment
  RSA49170  Lotus tomentellus P. A. Munz 1949-4-13 13063 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  UCR159109  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  JOTR36470  Lupinus arizonicus La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3439 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  RSA607582  Lupinus arizonicus R. S. Woglum 1939-4-11 2204 a Riverside Sonora Desert: Desert Center. Comment
  RSA644185  Lupinus arizonicus George K. Helmkamp 1995-3-16 s.n. Riverside Colorado Desert: below rocky slopes of Coxcomb Mtns., W of Rice Rd., 10.3 miles NE of Desert Center. 200 Comment
  UCR267894  Lupinus arizonicus Jim Andre 2013-3-4 23857 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA744304  Lupinus bicolor M. Wall 2009-3-27 499 -E Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  POM276328  Lupinus bicolor subsp. marginatus Lyman Benson 1932-3-26 3161 Riverside 3 miles N [of] Temecula. 457 Comment
  RSA350063  Lupinus bicolor subsp. microphyllus N. C. Cooper 1947-4-5 2038 Riverside Alamos Canyon, Elsinore 762 Comment
  RSA87101  Lupinus bicolor subsp. tridentatus F. W. Peirson 1922-5-18 3064 Riverside Keene Camp, San Jacinto Mts., Riverside county. 1463 Comment
  RSA7443  Lupinus concinnus M. Wall 2009-5-15 508 Riverside Bautista Creek, off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 752 Comment
  UCSB3265  Lupinus concinnus Ralph, F. 1959-5-17 Riverside Along roadside of Pines to Palms Hwy. 74; about 17.2 miles north of Pinon Flats Campground; San Jacinto Mtns. 1371 Comment
  RSA356755  Lupinus concinnus var. concinnus R. F. Thorne 1973-5-23 45538 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  RSA33770  Lupinus excubitus var. austromontanus N. C. Cooper 1944-6-17 2006 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  SEINET2062637 Image available Lupinus formosus Norman C. Cooper 1945-5-5 2225 Riverside San Gorgonio Mts. Above Banning 914 Comment
  LA205046  Lupinus formosus var. bridgesii Elizabeth McClintock; 1941-5-19 4 Riverside Santa Rosa Indian Reservation Comment
  UCR250856  Lupinus hirsutissimus Dick Newell, Judy Booth 2014-3-9 357 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.33 mi. NW of Hacienda Rd. 924 Comment
  POM187407  Lupinus hyacinthinus L. Crutcher 1933-7-31 15 Riverside Stream south of Tahquitz Valley, San Jacinto Mts. Comment
  RSA761993  Lupinus hyacinthinus Peter Guiden, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 73 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET10903865  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2739 Riverside San jacinto mts., Peak. S slope 200 ft from top. Comment
  RSA673557  Lupinus latifolius var. parishii Scott D. White, Tasha La Doux 2000-4-20 7692 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR125289  Lupinus microcarpus A. C. Sanders 2002-11-21 25642 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA0096913  Lupinus microcarpus var. densiflorus R. S. Woglum 1939-4-22 2183 Riverside Peninsular Ranges: Hemet to Anza; San Jacinto Mtns. Comment
  SBBG114168  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava St (DeLuz Rd) 0.4 mi S jct Washington Ave in Murietta Comment
  POM12735  Lupinus pallidus Philip A. Munz, D. D. Keck 1922-4-13 4957 Riverside Eagle Mountains. 244 Comment
  UC472705  Lupinus shockleyi Mary F. Spencer 1921-4-2 1650 Riverside Palm Springs; Colorado Desert, Palm Springs 121 Comment
  JOTR29606  Lupinus sparsiflorus Andre, Jim 2006-4-26 6763 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UCR133960  Lupinus sparsiflorus Mitch Provance, J. S. Ross 1998-3-27 MOR- 980 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  RSA617303  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1934-3-18 640 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  RSA278318  Lupinus succulentus C. W. Tilforth 1979-4-11 1788 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  CLARK-A1528-4951  Lupinus truncatus John C. Roos 1948-4-24 3788 Riverside Cabazon Comment
  RSA414403  Lupinus truncatus N. C. Cooper 1944-4-23 1095 Riverside Banning. 701 Comment
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Mar 13 2011
  UCR225213  Lupinus truncatus T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5165 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  UCR18527  Luzula comosa A. C. Sanders 1978-6-11 791 Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  UC2979  Luzula comosa var. laxa H. M. Hall July, 1901 2460 Riverside San Jacinto Mountains. Tahquitz Valley 2133 Comment
  CAS-BOT-BC231412  Lycium andersonii J. C. Roos 1966-2-12 s.n. Riverside 2 miles east of Desert Center Comment
  UCR60862  Lycium andersonii Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3225 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  RSA80345  Lycium brevipes F. W. Peirson 1926-1-31 6493 Riverside Dos Palmas, Colorado Desert. Comment
  JOTR30955  Lycium cooperi La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1930 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA592025  Lythrum hyssopifolia E. W. Lathrop 1968-5-15 6878 Riverside 8 miles W of Murrieta; Redonda Mesa, Santa Rosa Plateau 610 Comment
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Jun 24 2012
  CAS-BOT-BC206264  Malacothamnus fasciculatus Louis C. Wheeler 1931-10-4 218 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 853 Comment
  RSA433319  Malacothamnus fasciculatus Robert Gustafson, Gary D. Wallace 1983-6-23 2722 Riverside along Clinton Keith Road, ca 2.5 miles from its junction with Highway 15, Santa Ana Mountains Comment
  UCR116673  Malacothamnus fasciculatus A. C. Sanders, Carolyn Washburn 2001-5-10 24240 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  RSA0087581  Malacothamnus fasciculatus P. A. Munz 1946-10-19 11570 Riverside 3 miles east of Anza 1220 Comment
  RSA0087583  Malacothamnus fasciculatus Norman C. Cooper 1944-7-15 1591 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  CAS-BOT-BC345423  Malacothrix clevelandii Edmund C. Jaeger 1921-6-16 s.n. Riverside Near Gregg's Ranch, San Jacinto Mts. Comment
  OBI8322  Malacothrix glabrata David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12066 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 5.5 mi N of Cottonwood campgrounds Comment
  SBBG101709  Malacothrix glabrata S. Boyd with T. Ross, M. Hammitt 1991-5-2 6075 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UC63261  Malacothrix glabrata H. M. Hall 1904-5-26 4968 Riverside vicinity Riverside; Jurupa Hills 304 Comment
  CAS-BOT-BC347892  Malacothrix saxatilis var. tenuifolia H. M. Hall 1901-6-1 2011 Riverside San Jacinto Mountains. Canyon of the San Jacinto River 609 Comment
  RSA617696  Malva parviflora Scott D. White 1996-12-26 4643 Riverside Perris area 427 Comment
  UCR173147  Malva parviflora Abby Sirulnik 2000-5-4 26 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  OBI74465  Marah macrocarpa David J. Keil 1983-4-15 16902 Riverside E of Temecula on SR 79 Comment
  RSA479442  Marah macrocarpa Lyman Benson 1960-3-22 16011 Riverside Mouth of Snow Canyon, NW of Palm Springs, San Jacinto Mtns, Salton Sea Drainage, Colorado Desert. 564 Comment
  RSA591812  Marah macrocarpa J. C. Roos 1966-4-23 s.n. Riverside Santa Ana Mtns. S of Corona Comment
  RSA605764  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. SE-facing slope. 610 Comment
  UC1329934  Marina parryi James E. Cole 1941-4-13 563 Riverside 0.5 mi n Meek's Cabin; Joshua Tree national Monument, Pinto Pass Comment
  UCR237636  Marina parryi Duncan S. Bell, Amanda Turek 2010-4-10 791 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  UCR167689  Marrubium vulgare T. B. Salvato, Melissa Clemons 2005-6-23 1288 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  IRVC14142  Marsilea vestita B. T. Gittins 1966-5-1 1259 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  RSA381086  Marsilea vestita R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61175 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR181958  Marsilea vestita Mitch Provance 2005-5-17 6587 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA660553  Matricaria matricarioides Lydia Paneri 1982-4-17 12 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA206501  Meconella denticulata E. W. Lathrop 1969-5-8 7021 Riverside Los Alamos Canyon near junction of San Mateo Canyon, Clevland National Forest, Trabuco district 518 Comment
  CLARK-A1528-2858  Medicago polymorpha John C. Roos 1952-4-9 5487 Riverside Fairmont Park Comment
  SBBG67111  Medicago polymorpha M. N. Ackley 1928-3-10 577 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  CAS-BOT-BC271706  Melica frutescens Marcus E. Jones 1882-4-25 3554 Riverside San Jacinto Comment
  RSA586854  Melica frutescens D. L. Banks, Steve Boyd 1995-5-3 273 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SEINET8073928 Image available Melica imperfecta Scott D. White 2006-1 11291 Riverside Perris Basin/San Jacinto Mtn Foothills; Santa Rosa Hills, south of Hemet 549 Comment
  UC1537241  Melica imperfecta Gordon H. True Jr. 1935-3-11 92 Riverside Mockingbird Canyon Comment
  UCR156353  Melica imperfecta T. B. Salvato, Kent Beaman 2005-5-16 878 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR93148  Melilotus indicus G. P. Schultz 1994-4-8 59 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  RSA282502  Mentzelia albicaulis J. Zavortink 1966-3-18 2663 Riverside Along route 60, 5.7 miles W of Desert Center. Riverside County Comment
  UCR72155  Mentzelia desertorum Theo Glenn 1991-5-8 91- 85 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  JOTR37427  Mentzelia involucrata La Doux, Tasha 2016-3-9 3662 Riverside Above Hayfield Dry Lake - Stop 2 516 Comment
  RSA698074  Mentzelia involucrata J. R. Bruff 1930-5-18 s.n. Riverside Shaver s Well. Comment
  RSA750541  Mentzelia involucrata Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12591 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  SBBG28080  Mentzelia involucrata D. Myrick 1964-4-30 831 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  SBBG29592  Mentzelia involucrata R. J. Young 1968-4-20 189 Riverside ca. 4 mi S of Cottonwood Jct, Joshua Tree Nat Monument Comment
  UCR51970  Mentzelia involucrata Steve Boyd, S. Meury , Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2139 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  POM183473  Mentzelia involucrata var. megalantha J. Ewan 1930-4-18 3085 Riverside Dry Morongo Creek below Morongo Valley, Riverside County Comment
  POM254738  Mentzelia involucrata var. megalantha P. A. Munz 1940-3-24 15694 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  UC724205  Mentzelia longiloba Aven and Ruth Nelson 1939-3-30 3336 Riverside near Desert Center (hiway 60) Comment
  RSA356983  Micropus californicus R. F. Thorne 1973-5-23 43870 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  UCR121815  Microseris douglasii subsp. douglasii A. C. Sanders, Carolyn Washburn 2001-4-17 24046 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  RSA652926  Microseris heterocarpa A. C. Sanders 1997-5-1 20626 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  RSA522730  Microseris lindleyi Steve Boyd, Lewis S. Ross, Laurel Arnseth 1990-3-29 3835 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA606385  Microseris lindleyi Jon E. Keeley 1994-4-7 25294 Riverside Shipley Reserve, Study Site Sh 5. S. of Hemet, S end of Rawson Rd. 650 Comment
  UCR180587  Microseris lindleyi Scott D. White, Angelia Carey 2004-4-5 9997 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  JEPS122478  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 Riverside San Jacinto Mountains; along Highway 243, 8.6 miles south of Interstate 10 (Banning), just northeast o Hungry Hollow and Poppet Flat; San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  POM8577B  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  RSA38705  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11504 Riverside Indian Canyon, along Indian Canyon Truck Trail. Comment
  RSA444468  Mimulus aurantiacus var. puniceus Roos 1966-4-29 s.n. Riverside Rocky hills between March Air Force Base and Lakeview. Comment
  RSA535470  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6645 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UC1563089  Mimulus aurantiacus var. puniceus Steve Boyd 1986-3-1 1362 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  UCR102726  Mimulus aurantiacus var. puniceus B. G. Pitzer 1998-1-25 3414 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR91608  Mimulus aurantiacus var. puniceus D. L. Banks, Steve Boyd 1995-3-30 0132 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  JOTR28918  Mimulus bigelovii var. bigelovii La Doux, Tasha 2005-2-7 1154 Riverside Joshua Tree National Park. Above Hayfield Dry Lake 553 Comment
  RSA420958  Mimulus bigelovii var. bigelovii Robert L. Dressler 1949-3-19 421 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
  RSA420969  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3254 Riverside Mecca Pass east of Indio. 549 Comment
  RSA522089  Mimulus brevipes Steve Boyd, Tim S. Ross, Kyle Boyd 1989-6-24 3755 Riverside Vail Lake area, along road in shallow cyn on SE flank of 'Little' Oak Mtn., W of Kolb Creek drainage, N of Hwy 79. Comment
  UCR174079  Mimulus brevipes A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32583 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR80817  Mimulus brevipes Scott D. White 1993-5-29 1461 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  JEPS8378  Mimulus breweri C. V. Meyer 1928-7-31 599 Riverside Tahquitz Valley San Jacinto Mt. 2286 Comment
  RSA570551  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  POM301478  Mimulus floribundus J. C. Roos 1937-5-10 2330 Riverside Anual in moist spot in hills west of Perris. Comment
  UCR108857  Mimulus fremontii Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UC1563128  Mimulus guttatus Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3575 Riverside along Arroyo Seco drainage from jct with Kolb Creek (s to w/in 1/4 mi of Hwy 79); Vail Lake Area 457 Comment
  UCR167822  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-2 1347 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR59689  Mimulus guttatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3575 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  UCR156467  Mimulus moschatus T. B. Salvato, A. C. Sanders 2005-5-17 895 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR138561  Mirabilis bigelovii Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  JOTR29604  Mirabilis bigelovii var. retrorsa Andre, Jim 2006-4-26 6761 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  SEINET186897  Mirabilis bigelovii var. retrorsa P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 mi N of boulevard to Indio Comment
  UCR138825  Mirabilis californica D. L. Banks 1997-2-23 1306 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  RSA775221  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4439 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR120942  Mirabilis laevis var. crassifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24920 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  JOTR34029  Mirabilis laevis var. retrorsa La Doux, Tasha, M. Harding 2010-4-7 2916 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA314456  Mirabilis laevis var. retrorsa Robert F. Thorne, Dr. Fosberg, Sachet, Herbst 1983-4-23 55463 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UC168849  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-28 6073 Riverside Whitewater; Colorado Desert 360 Comment
  POM243648  Mirabilis laevis var. villosa E. C. Jaeger 1938-5-20 s.n. Riverside Thousand Palms canon. 1220 Comment
  UC7645  Mirabilis multiflora var. pubescens John Van de Venter 1898-6-27 956 Riverside El Toro, Van de Venter's El Toro; San Jacinto Mts 1356 Comment
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Aug 1 2006
  POM13390  Mohavea confertiflora E. C. Jaeger 1922-3-4 1025 Riverside Painted Canyon near Mecca. Comment
  POM44293  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canyon near Indio Mt. in the Colorado Desert, Lower Sonoran Zone, 150 Comment
  UC69214  Mohavea confertiflora E. E. Schellenger Apr. 1905 Riverside Santa Maria Mountains, Colorado Desert Colorado Desert; Santa Maria Mountains, Colorado Desert Comment
  UCSB7450  Mohavea confertiflora Haller, John 1957-3-23 Riverside at mouth of Morongo Canyon; ca. 8 rd. mi. N. of US. 99 and 1 air mi. S. of Riverside - San Bernardino Co. line 762 Comment
  POM9325  Mohavea confertiflora Mary F. Spencer 1920-3-12 591 Riverside Mecca. Colorado Desert, below sea level. Comment
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Sep 7 2011
  POM268799  Mollugo cerviana E. C. Jaeger 1945-09 s.n. Riverside Joshua Tree National Monument. 1220 Comment
  CAS-BOT-BC220025  Monardella breweri subsp. lanceolata John Thomas Howell 1927-8-2 2910 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  RSA786959  Monardella lanceolata Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  UC1995339  Monardella linoides subsp. linoides C. Epling Jun 1938 Riverside Pines to Palms Highway Comment
  UCR272127  Monardella linoides subsp. linoides Duncan S. Bell 2015-9-30 8668 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  LA57197  Monardella nana Carl Epling; K. Simmons 1939-6-12 s.n. Riverside Santa Rosa Mts Comment
  RSA750277  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 78 Riverside Road up Santa Rosa Mt. 2.3 miles beyond canyon where stream crosses road. Comment
  UCR221491  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 80 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 5.5 miles beyond canyon where stream crosses road 2378 Comment
  POM48947  Monardella nana subsp. tenuiflora P. A. Munz 1924-7-26 8721 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA750392  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-5-31 50 Riverside About 5 miles from the Anza Monument turn off. Comment
  UC1499805  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 109 Riverside trail to Deer Springs (below third spring which crosses trail); San Jacinto Mts. Comment
  UCR121352  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24610 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR121823  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24605 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UC68566  Monolepis nuttalliana H. M. Hall Apr., 1905 5750 Riverside vicinity of Riverside (Box Springs Grade) 457 Comment
  CAS-BOT-BC349795  Monoptilon bellioides J. H. Thomas 1949-2-28 56 Riverside Southern part of Palm Springs Comment
  CLARK-A1045-223  Monoptilon bellioides George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; bottom of wash; Lost Horse Mtn. 15'Q Comment
  RSA23220  Monoptilon bellioides Ernest Braunton 1940-4-3 2012 Riverside 25 miles Northeast of Indio. Comment
  UCR241713  Monoptilon bellioides Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 41 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  SEINET10800999  Monoptilon bellioides David B. Dunn 1946-3-17 Dunn 2086 Riverside Very sparse specimens gathered over about 5 areas of ravine and plateau east of Palms. Pushawalla Canyon. Indio Hills. Comment
  UC219067  Montia fontana P. A. Munz and I. M. Johnston 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  SEINET7063567  Mucronea perfoliata A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  UCR113921  Muhlenbergia asperifolia Mitch Provance, A. C. Sanders 2000-7-4 2112 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA719521  Muhlenbergia filiformis Naomi Fraga, et al. 2006-7-11 1716 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  POM185023  Muhlenbergia microsperma Marcus E. Jones 1926-3-10 s.n. Riverside Santa Ana Canyon Comment
  SEINET255560 Image available Muhlenbergia microsperma Mitch Provance 2004-5-1 7604 Riverside Granitic Knolls of Riverside, W side of Versity Hill (Coyote Hill), S side of the UCR campus 396 Comment
  UCR114751  Muhlenbergia microsperma Scott D. White, D. E. Bramlet 1999-5-19 7368 Riverside Lake Skinner area, Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR174253  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato 2006-6-2 33070 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR90300  Muhlenbergia microsperma F. M. Reed 1920-5-24 4351 Riverside Riverside, Box Springs Mtns: Canyon east of Highgrove, above Eureka Ranch 396 Comment
  POM259206  Muhlenbergia richardsonis P. A. Munz 1938-8-14 15347 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA741066  Muilla maritima Scott D. White, Justin M. Wood 2008-6-5 12074 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  SBBG35235  Muilla maritima T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UCR113565  Muilla maritima Mitch Provance 2000-4-8 2006 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR208174  Muilla maritima F. W. Peirson 1922-4-29 2942 Riverside Perris-Aguanga Region, 2 miles south of Lake Elsinore along boulevard 366 Comment
  RSA356715  Myosurus minimus subsp. apus Robert F. Thorne, Earl Lathrop 1975-5-25 45564 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  UCR280989  Myosurus minimus var. apus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517- 57 Riverside Elsinore Trough, Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the the San Jacinto River 387 Comment
  RSA122612  Nama demissa H. S. Yates 1937-1 6408 Riverside 3 miles N of Palm Springs, San Jacinto Mts. 213 Comment
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Mar 24 2013
  RSA550356  Nama demissa Walter Wisura 1992-3-24 4632 Riverside 13.1 miles NE of Mecca on Box Canyon Road. Comment
  UCR148478  Nama demissa John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR279328  Nama demissa A. C. Sanders, Jim Malusa 2017-3-23 42914 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  POM1092  Nassella cernua F. L. Robinson, Crocker 1916-3-29 711 Riverside Santa Ana Mts. Comment
  CAS-BOT-BC259971  Nassella lepida Steve Boyd 1986-5-7 1828 Riverside Alberhill Mountain: Lower slopes of S flank, just E of claymine area Comment
  RSA715050  Nassella pulchra A. C. Sanders, Guy Bruyea 2004-4-2 27436 Riverside Peninsular Range: Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  POM157942  Navarretia fossalis P. A. Munz 1927-5-20 10803 Riverside Murrieta Hot Springs. Comment
  RSA642462  Navarretia fossalis Stan C. Spencer 1994-4-16 4416 -21 Riverside From Winchester E 2 mi to California Av then N ca 1 mi to Stowe Rd NW of inters 20 m. Comment
  RSA504539  Navarretia hamata Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro. Comment
  RSA759209  Navarretia hamata subsp. leptantha Robt. Allen 2008-5-17 s.n. Riverside Bear Canyon Trail 674 Comment
  SEINET11261736  Navarretia intertexta Jeremiah George 2012-5-4 s.n. Riverside Peninsular Range; Elsinore Trough: Lake Elsinore area, South of Nichols Rd. and East of Baker St. (Lake Elsinore 7.5' Q.); 0 387 Comment
  UCR254627  Nemacaulis denudata var. gracilis Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24394 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UCR258872  Nemacladus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7910 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  OBI33602  Nemacladus glanduliferus J. C. Roos 1948-5-15 3851 Riverside Upper Lost Palms Cyn, Eagle Mts, Colorado Desert Comment
  UCR146262  Nemacladus longiflorus var. longiflorus Orlando Mistretta, Mark A. Elvin 1995-6-19 1782 Riverside Peninsular Ranges; San Jacinto Mountains, Highway 74 and Pacific Crest Trail 1494 Comment
  RSA0126315  Nemacladus longiflorus var. longiflorus Charlotte M. Wilder 1905-05 s.n. Riverside Wilders Canyon, Riverside. Comment
  RSA0126322  Nemacladus longiflorus var. longiflorus H. Baer 1923-5-20 d.n. Riverside Lee Lake, Temescal. Comment
  RSA775292  Nemacladus orientalis Duncan S. Bell 2011-3-20 2065 Riverside Orocopia Mountains; on the southeast side of the mountain range near Red Canyon. 429 Comment
  UCR102940  Nemacladus orientalis George K. Helmkamp 1998-4-4 3147 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA439261  Nemacladus ramosissimus Elbert Benjamine 1929-5-18 228 Riverside Mt. San Jacinto. Comment
  SD255696  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  POM98809B  Nemacladus rubescens P. A. Munz 1926-1-31 9979 Riverside Palm Springs. [Dos Palmas Spring] Comment
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May 30 2011
  SEINET10840521  Nemacladus rubescens Philip A. Munz, Charles L. Hitchcock 1928-4-3 Munz 10948 Riverside 10 miles northwest of Riggs Comment
  UC29179  Nemacladus sigmoideus W. G. Wright 1889-1 1766 Riverside Colorado Desert Comment
  RSA75155  Nemacladus tenuis H. K. Wagnon 1944-3-26 362 Riverside Cathedral Canyon, Cathedral City. Comment
  RSA0123360  Nemacladus tenuis var. tenuis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9044 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA439263B  Nemacladus tenuis var. tenuis Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UCR122524  Nemophila menziesii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6676 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  RSA0059611  Nemophila menziesii 1917-4-4 Riverside Palm Canyon 762 Comment
  RSA33602  Nemophila menziesii var. integrifolia N. C. Cooper 1944-5-20 1310 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  UCR139032  Nemophila menziesii var. menziesii D. L. Banks, V. W. Steinmann 1997-3-13 1449 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  RSA282918  Nicotiana attenuata C. W. Tilforth, B. Busenberg 1980-6-17 2004 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  UCR117253  Nicotiana attenuata A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22295 Riverside San Jacinto Mtns., Anza area, 1.1 mi. SE of Hwy 371 on Burnt Valley Rd., at northward bend in road 1341 Comment
  UCR35267  Nicotiana attenuata L. B. Ziegler 1973-8-15 517 Riverside Peninsular Range; San Jacinto Mtns., Hemet (Garner) Valley 1402 Comment
  RSA772525  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4431 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SD122192  Nicotiana glauca James C. Dice, J. DeWald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing 245 Comment
  SBBG70578  Nicotiana obtusifolia M. N. Ackley 1928-3-31 971 Riverside Painted Cyn 76 Comment
  UCR18935  Nolina bigelovii John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon, north of Chiriaco Summit Comment
  RSA753479  Nolina parryi Scott D. White, Justin M. Wood 2009-5-21 12868 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UC63871  Nolina parryi H. M. Hall May 17 1901-Jun 1 1901 1819 Riverside se base San Jacinto Mt. 1402 Comment
  HSC962  Notholaena californica W. R. Supernaugh, Jr. 1964-12-24 26 Riverside Agua Caliente Indian Reservation. Andreas Canyon Comment
  UC223684  Notholaena californica subsp. californica I. M. Johnston 1918-4-27 1864 Riverside Between Elsinore and Corona Temescal Canyon 365 Comment
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Mar 4 2008
  POM38728  Oenothera californica subsp. californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UC1234605  Oenothera deltoides subsp. deltoides David P. Gregory 1960-3-20 360 Riverside across r.r. from Thousand Palms Comment
  UC1929327  Oenothera hookeri Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10675 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  POM85035  Oligomeris linifolia Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCR166850  Oligomeris linifolia Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCD108100  Olneya tesota T. B. Salvato; A. C. Sanders, Mitch Provance 2000-4-18 49 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal. 9 Comment
  CDA7119  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott Road and north of Clinton Keith Road. Comment
  SD240895  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2011-4-29 39356 Riverside Peninsular Tange: Perris-Aguanga Basin Region; Romoland, McLauglin Road east of Palomar Road near powerplant and railroad (Romoland 7.5'Q) 445 Comment
  SEINET1004536  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-1 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd., at Quail Lake Golf Course. (El Casco 7.5' Quad) 439 Comment
  SEINET10907380  Opuntia basilaris A. Evans 1976-4-13 Evans 5171 Riverside Rocky slopes of santa rosa mtns. Comment
  SEINET9037813 Image available Opuntia basilaris var. basilaris M. A. Baker, Michelle Cloud-Hughes 2015-1 18416 Riverside 1.5km north of the historic site of Whitewater, 16km NW of central Palm Springs, low slope to the west side of wash, granitic silt, fine sand, and gravel 474 Comment
  UCD170242  Opuntia chlorotica K. M. Meyer; A. Townesmith 2007-3-19 22 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  RSA7217  Opuntia polyacantha var. erinacea B. D. Stark 1932-6-5 3710 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  CAS-BOT-BC56908  Opuntia polyacantha var. hystricina C. B. Wolf; P. C. Everett 1938-9-29 19101 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA524391  Opuntia vaseyi B. D. Parfitt, Rita Anthony, Andy Sanders 1986-4-19 3501 Riverside Pauba Valley, Hwy 79 crossing of Temecula River (or Creek), 4.6 miles E of junction with road to Pala. 305 Comment
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Nov 28 2010
  RSA357375  Orcuttia californica Christopher Davidson 1977-5-25 5650 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  UCD150804  Orcuttia californica Tom Griggs 1976-6-16 s.n. Riverside Riverside County, Santa Rosa Plateau, Mesa de Burro. Elevation estimated with Google Earth. 609 Comment
  VVC2183  Orcuttia californica Tim Thomas, Bill Baker 1983-6-30 579 A Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  UC1618001  Orobanche bulbosa Donald G. Nelson 1936-5-21 369 Riverside e of Lake Hemet (just n of meadow in valley just e of Hurkey Creek Camp area, n of Mount Thomas, San Jacinto Mountains); San Jacinto Mountains Comment
  RSA0077936  Orobanche bulbosa Steve Boyd, C. Boyd, K. Boyd, Richard Noyes, Laurel Arnseth 1988-5-28 2301 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA0066537  Orobanche cooperi subsp. cooperi Louis Cutter Wheeler 1952-4-5 6851 Riverside Mecca Hills: mouth of Painted Canyon. Comment
  RSA586725  Orobanche fasciculata D. L. Banks, S. D. Boyd 1995-5-17 447 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  UC27883  Orobanche fasciculata H. M. Hall June 1901 2154 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert. Comment
  RSA0030792  Orthocarpus purpurascens Robert L. Rutherford 1945-5-24 1654 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC1979671  Osmorhiza brachypoda Darin L. Banks, Steve Boyd 1995-3-30 113 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. Comment
  RSA751627  Oxalis pes-caprae G. Gust, L. Nye 2005-3-11 539 Riverside Lake Elsinore City Limits. At intersection of Ellis St. and Franklin St. in an overgrown disturbed site. 400 Comment
  UC2030086  Oxytheca caryophylloides Scott D. White 2000-8-5 8119 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  RSA64889  Oxytheca emarginata F. W. Peirson 1922-5-21 3034 Riverside Hemet Valley, San Jacinto Mts. 1372 Comment
  UCR3585B  Oxytheca emarginata L. B. Ziegler 1964-7-10 640710- 001 Riverside San Jacinto Mtns., Garner Valley, 2 mi. northeast of Kenworthy Ranger Station Comment
  POM229023  Oxytheca trilobata P. A. Munz 1937-5-31 15117 Riverside Below Anza Tablet at head of Coyote Canyon. 1006 Comment
  RSA58858  Oxytheca trilobata P. A. Munz, Percy C. Everett 1950-6-23 14908 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  UC597638  Oxytheca trilobata Philip A. Munz 1937-5-31 15117 Riverside below Anza Tablet (at head of Coyote Canyon, sw Riverside County); Coyote Canyon 1005 Comment
  UCR24259  Oxytheca trilobata John C. Roos 1943-5-23 2672 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  UC1126130  Paeonia californica C. Van Fleet 1931-1-19 2 Riverside mesa w Red Mountain; San Jacinto Quadrangle Comment
  CAS-BOT-BC327894  Palafoxia arida E. A. Macgregor 1917-3-18 739 Riverside 1 mi up Painted Canon Comment
  CAS-BOT-BC327906  Palafoxia arida Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9524 Riverside Pinto Basin 16 miles from Cottonwood Springs Comment
  UCD134902  Palafoxia arida L. S. Rose 1936-1-1 s.n. Riverside L.A. Aqueduct Road, 15 miles north of Indio. 304 Comment
  UCR41271  Palafoxia arida B. G. Pitzer 1986-2-9 0003 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  JEPS30724  Palafoxia arida var. arida Peter H. Raven 1962-4-7 17119 Riverside San Gorgonio Pass E of Banning 396 Comment
  POM54709  Palafoxia arida var. arida H. M. Hall 1902-04 2768 Riverside Coyote canyon 152 Comment
  RSA151101  Palafoxia arida var. arida P. H. Raven 1962-4-7 17119 Riverside San Gorgonio Pass east of Banning 396 Comment
  RSA289866  Palafoxia arida var. arida B. A. Prigge 1980-12-15 4106 Riverside Coachella Valley Stormwater Channel: 3 miles S of Mecca where Lincoln Street crosses channel. -67 Comment
  UCR214561  Palafoxia arida var. arida A. C. Sanders 2010-3-15 37411 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR214696  Palafoxia arida var. arida A. C. Sanders 2010-3-23 37543 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR244299  Palafoxia arida var. arida Jim Andre 2012-4-15 20860 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCSB6656  Palafoxia arida var. arida Haller, John 1960-4-2 Riverside South side of U.S. highway 60-70, 5.8 miles east of Desert Center 243 Comment
  UCSB9918  Palafoxia arida var. arida Wilson, Richard 1958-3-22 Riverside 7 miles E. of Desert Center on U.S. Highway 60-70, in a Colorado Desert dry wash Comment
  UC39300  Panicum acuminatum var. acuminatum H. M. Hall June 1901 2244 Riverside North Fork San Jacinto River San Jacinto Mountains, North Fork San Jacinto River (Southern California) 914 Comment
  UC69351  Panicum acuminatum var. acuminatum H. M. Hall June 1901 2244 Riverside North Fork; San Jacinto Mountains, North Fork 914 Comment
  SEINET269461 Image available Panicum capillare Scott D. White, A. C. Sanders 1994-10-17 2489 Riverside City of Temecula Murrieta Creek channel directly west of Cherry Street. USGS 71/2' Murrieta quad. 308 Comment
  OBI69398  Panicum urvilleanum Dave Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mi S of hwy I-10, and 2 mi W of Indian Ave (Desert Hot Springs 7.5' Quad: T3S, R4E, S1/2 of sect 20 & 21, near center line between the two sections) 259 Comment
  UC912656  Panicum urvilleanum H. L. Mason 1928-3-10 4197 Riverside Whitewater River Comment
  UCR86878  Panicum urvilleanum A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16246 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  CLARK-A1045-882  Papaver californicum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  RSA495819  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2929 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UC56651  Parietaria pensylvanica H. M. Hall May 1901 1884 Riverside se base San Jacinto Mts. Comment
  RSA613955  Parkinsonia aculeata A. C. Sanders 1994-7-25 15159 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 244 Comment
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Jul 2 2007
  RSA700042  Parosela californica Anonymous 1929-12-26 s.n. Riverside Whitewater Comment
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Nov 9 2011
  CDA5093  Passiflora caerulea H. Gill, F. Harris 1974-7-8 Riverside Main Street and Mount Vernon Avenue, Highgrove. 0 Comment
  RSA38494  Pectis papposa P. A. Munz 1946-10-20 11574 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. 1037 Comment
  RSA778527  Pectis papposa Amber Swanson, Linda Jean Foster 2011-10-8 628 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  RSA781910  Pectis papposa Duncan S. Bell 2010-5-1 898 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  UCR128940  Pectis papposa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCD134923  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta. 15 Comment
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Aug 6 2016
  UCR29781  Pectocarya heterocarpa George K. Helmkamp 1983-3-24 383- 12 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  SD247367  Pectocarya linearis A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41418 Riverside San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.125 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  POM368787  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside St. Johns Grade near Hemet. 770 Comment
  RSA0039459  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-2 40734 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  RSA744306  Pectocarya penicillata Michael Wall 2009-3-27 499 -C Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  SEINET3105400  Pectocarya penicillata Sears 1978-3-16 826 Riverside 2.5 mi. NW of Midland. In wash area beyond gap between Little Maria and Big Maria Mts. Comment
  CLARK-A1528-2252  Pectocarya platycarpa John C. Roos 1937-5-2 1838 Riverside Frost Reservoir Comment
  GMDRC9810  Pectocarya platycarpa J. M. Andre 2017-3-1 38032 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  JEPS88955  Pectocarya platycarpa Rimo Bacigalupi with Paul Hutchison 1958-2-19 6198 Riverside 9.4 mi n Blythe; w base of Big Maria Mts., in wash 167 Comment
  UCR213267  Pectocarya platycarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37440 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  SEINET5527589 Image available Pectocarya recurvata Andrew C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6122 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA770698  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4802 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR156293  Pellaea andromedifolia T. B. Salvato, Kent Beaman 2005-5-16 837 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  HSC35461  Pellaea mucronata J. D. Ackerman, A. M. Montalvo 1975-6-26 525 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  SD144514  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  RSA686922  Pellaea mucronata subsp. californica T. R. Pray 1956-11-11 1057 Riverside Santa Rosa Mountain, S side of summit ridge 2439 Comment
  IRVC3153  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  RSA604850  Pellaea mucronata var. mucronata Scott D. White 1995-3-30 2651 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr. 579 Comment
  UCR234812  Pennisetum setaceum Jim Andre, Glenn L. Clifton 2011-2-22 17477 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  SEINET4178565 Image available Pennisetum villosum T. B. Salvato 2000-8-22 Riverside Pennisular Range, Riverside, Bascomb Dr at Don Goodwin St. 309 Comment
  SFV17402  Penstemon X parishii M. S. Valenzuela, P. Wilson 1998-6-3 68 Riverside Highway 74 near mile marker 73.56. 1220 Comment
  UCR20116  Penstemon californicus Jeanine Derby 1976-8-10 s.n. Riverside San Jacinto Mtns., Garner Valley 1372 Comment
  UCR16686  Penstemon centranthifolius R. Stoltz 1969-5-3 43 Riverside Peninsular Range; Santa Ana Mtns, Corona, Eagle Canyon, 4.2 mi south of Main Street and Hwy 91 intersection 518 Comment
  SDSU10935  Penstemon clevelandii H. Wedberg 1962-4-20 911 Riverside About 1 mile SE of Pinyon Flats on Road to Palm Springs. 1219 Comment
  RSA412506  Penstemon clevelandii subsp. connatus Robert Gustafson, Gary D. Wallace 1982-5-19 2573 Riverside Pines to Palms Hwy (74), vicinity of Big Horn Sheep overlook. Comment
  UCR151032  Penstemon grinnellii Scott D. White 1998-7-31 6931 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  POM259183  Penstemon labrosus Philip A. Munz 1938-8-14 15389 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  UCR128312  Penstemon rostriflorus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8630 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR93812  Penstemon spectabilis P. J. MacKay 1996-6-15 008 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA0070921  Pentagramma maxonii F. W. Peirson 1921-3-20 5357 Riverside Andreas Canyon, near Palm Springs. 243 Comment
  RSA0034536  Peritoma arborea D. Dunlop 1977-3-21 204 Riverside Desert Hot Springs. Comment
  CAS-BOT-BC77524  Peritoma arborea var. arborea Cecil Hart 1926-2-1 s.n. Riverside Palm Springs Comment
  JOTR31861  Peritoma arborea var. arborea La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2118 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  CAS-BOT-BC332707  Perityle J. Von Loh 1978-1-23 3299 Riverside About 12 mi SW of Blythe 121 Comment
  JEPS41242  Petalonyx thurberi Jos. Burtt Davy 1902-4-7 8050 Riverside Salton Comment
  RSA296136  Petalonyx thurberi Barry A. Prigge 1980-8-5 3878 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
  SD48389  Petalonyx thurberi subsp. thurberi E. K. Balls, P. C. Everett 1957-8-20 22662 Riverside In sun, on dry open desert; 3.2 mi. north along road to 29 Palms from jct. with U.S. Hwy. 60/70/99. 259 Comment
  SBBG62763  Peucephyllum schottii M. N. Ackley 1928-3-31 303 Riverside Hidden Spring 304 Comment
  UCSB10706  Peucephyllum schottii Muller, Katherine 1952-4-5 Riverside On rocky slope 2 miles North of Dos Palmas on road from Hot Mineral to Mecca-Blythe Highway Comment
  RSA507479  Phacelia brachyloba Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  RSA650542  Phacelia campanularia subsp. campanularia Bob Musgrove 1949-2-22 s.n. Riverside Collected in Indio Hills near Indio 213 Comment
  UC68747  Phacelia campanularia subsp. vasiformis H. M. Hall Apr. 1905 5996 Riverside Cottonwood Pass Colorado Desert 670 Comment
  UCR258758  Phacelia cicutaria var. hispida T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7916 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  CAS-BOT-BC133964  Phacelia crenulata Mrs. Jos. Clement 1922-4-10 s.n. Riverside Mecca Comment
  UCR16832  Phacelia crenulata W. C. Anderson 1968-4-22 680422- 9 Riverside Sonoran (Colorado) Desert, 2 mi. south of Cottonwood Guard Station, Joshua Tree National Monument [now Park] Comment
  UCR85081  Phacelia crenulata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16037 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  JEPS2241  Phacelia crenulata var. ambigua Joseph Grinnell 1910-3-18 Riverside Riverside Mts. Riverside Mts. (e. Riverside Co.) Comment
  RSA0014470  Phacelia crenulata var. ambigua Justin M. Wood, J. Miner 2010-4-29 1544 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  SFV5008  Phacelia crenulata var. ambigua F. M. Ball 1964-1-4 s. n. Riverside Open hillside at White Water, 16 miles east of Banning. 457 Comment
  UC672405  Phacelia crenulata var. ambigua Herbert L. Mason 1928-3-10 4199 Riverside Whitewater, Colorado Desert Comment
  RSA428301B  Phacelia cryptantha I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  JOTR32914  Phacelia distans La Doux, Tasha, Jim Andre 2009-2-28 354 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  SEINET3091699 Image available Phacelia distans Barbara Gayle Pitzer 1998-1-24 3382 Riverside N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR101583  Phacelia distans Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR24946  Phacelia imbricata A. C. Sanders 1980-7-18 1643 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR265825  Phacelia imbricata Mitch Provance 2012-5-24 512- 06 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA428080  Phacelia minor Robert Gustafson 1983-4-18 2503 Riverside Clinton Keith Rd. about 2.5 miles from its junction with Hwy 15, eastern slopes of the Santa Ana Mtns. 457 Comment
  SD227838  Phacelia minor A. C. Sanders 1994-5-15 14482 Riverside Mount Rubidoux on NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UCR241693  Phacelia minor T. B. Salvato 2013-3-22 7399 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR41359  Phacelia minor N. M. Fellows 1985-3-16 108 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  POM3691  Phacelia mutabilis A. W. Anthony 1895-7-13 11723 Riverside [Unspecified] Comment
  RSA494633  Phacelia ramosissima var. latifolia Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA234035  Phalaris caroliniana R. F. Thorne, Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UCR266364  Phalaris lemmonii D. E. Bramlet 2005-5-4 3845 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, Winchester, along railroad tracks 454 Comment
  RSA575989  Phalaris minor Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  RSA595316  Phalaris minor D. L. Banks, Victor Steinmann 1996-4-20 890 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; At the junction of Los Caballos Road and Hwy. 79. 377 Comment
  RSA0057659  Philadelphus microphyllus var. stramineus P. A. Munz, I. M. Johnston 1924-7-27 8738 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA87942  Phlox austromontana Verne Grant 1954-6-10 19658 Riverside At Mountains Springs on Santa Rosa Mountain. Comment
  UCR113892  Phoenix canariensis Mitch Provance 1998-4-14 445 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  UCR37464  Pholistoma auritum Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  JOTR28818  Pholistoma membranaceum La Doux, Tasha 2005-3-1 1086 Riverside Joshua Tree National Park. 3.5 miles North of Cottonwood Visitor's Center at exhibit Comment
  RSA459292  Pholistoma membranaceum E. Crow 1929-2-24 181 Riverside Andreas Canyon, S of Palm Springs, Colorado Desert. Comment
  UCR97435  Pholistoma membranaceum A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19683 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  CAS-BOT-BC135074  Phoradendron californicum John Thomas Howell 1927-8-1 2883 Riverside Morongo Canon [Canyon], N Colorado Desert 609 Comment
  CAS-BOT-BC135109  Phoradendron californicum Walton H. Clark 1926-6-1 s.n. Riverside Indio Comment
  JEPS121555  Phoradendron californicum Adam C. Schneider with Will Freyman 2014-2-16 398 Riverside Upper Box Canyon Road. Comment
  RSA132729  Phoradendron californicum Del Wiens 1953-12-5 870 Riverside Near junction of road from south end of Joshua Tree Nat. Mon. and U.S. 60 and 70. 152 Comment
  RSA420772  Phoradendron californicum Albert J. Perkins 1966-4-16 s.n. Riverside Found in desert near Palm Springs. Comment
  UCR245915  Phoradendron californicum Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3953 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR189647  Phoradendron densum John F. Green 2008-1-18 s.n. Riverside Peninsular Range; Gavilan Hills, 5.5 miles WNW of Perris, c. 0.5 mi. north of Santa Rosa Mine Rd. and 0.75 mi SE of Ida Leona Mine 671 Comment
  CAS-BOT-BC135179  Phoradendron juniperinum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  RSA489836  Phoradendron pauciflorum D. Charlton 1988-5-28 2134 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  JOTR36414  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3360 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 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
  UCR140568  Phoradendron villosum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 76 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  POM50811  Physalis crassifolia E. C. Jaeger 1925-1-12 s.n. Riverside Painted Canon, Colorado Desert. Comment
  RSA615335  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2692 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  UC884717  Physalis crassifolia Lewis S. Rose 1936-12-26 36830 Riverside 22 mi e Indio (Indio-Blythe Road) 762 Comment
  UCSB22460  Physalis crassifolia Anthony, Jean 1965-2-28 Riverside 1 mile west of Jefferson Street on Avenue 58 southwest of Coachella Comment
  RSA638199  Physalis philadelphica Scott D. White 1998-10-13 7179 Riverside Corona, near Bedford canyon: Dissected alluvial slope, foothills at eastern slope of Santa Ana Mts. 'Joseph Canyon' wash near a disused quarry. 335 Comment
  RSA357171  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-25 45545 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UCR231041  Pinus coulteri A. C. Sanders, Kent Beaman 2011-9-27 39921 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  RSA384341  Pinus jeffreyi M. B. Dunkle 1933-7-21 3734 Riverside Idyllwild 1616 Comment
  UC64551  Pinus lambertiana H. M. Hall 1901-6-1 2320 Riverside near Tauquitz; San Jacinto Mountains 2682 Comment
  JEPS47943  Pinus monophylla W. L. Jepson and H. M. Hall 1901-5-22 1373 Riverside Palm Canon and return to Van Deventer Comment
  UC1931124  Pinus monophylla Scott D. White, Justin Wood 2008-6-17 12187 Riverside San Jacinto Mountains: Morris Ranch Road - open area west of Goff Flat. (Palm View Peak) Comment
  POM264563  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside Near Santa Rosa, Santa Rosa Mountains. 1677 Comment
  UCD68448  Pinus quadrifolia Stephen K. Langer 1995-4-8 s.n. Riverside Highway 371, approximately 0.5 miles from junction with Highway 74, Santa Rosa Mountains. 1463 Comment
  UCR19284  Pinus quadrifolia John C. Roos 1947-4-5 3436 Riverside San Jacinto Mtns., Head of Thomas Valley 1463 Comment
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Oct 25 2011
  RSA588669  Piperia elongata Darin L. Banks, Steve Boyd 1995-10-26 825 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, N of the first grassland areas along trail. Approximately 0.8 miles from the Wilderness boundary. 720 Comment
  RSA544404  Piptatherum miliaceum Steve Boyd, Timothy S. Ross 1991-6-14 6372 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UCR113733  Plagiobothrys canescens Mitch Provance 2000-5-5 2016 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  UCR213281  Plagiobothrys canescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37694 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  POM8981  Plagiobothrys collinus var. californicus P. A. Munz, Harwood 1920-3-20 3390 Riverside Elsinore. 396 Comment
  UCR22097  Plagiobothrys collinus var. californicus Steve Boyd 1980-4-27 144 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR241854  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy W. Chumley 2013-4-3 40766 Riverside Peninsular Range, Temescal Canyon south of Horsethief Canyon Rd. off the west shoulder of I-15 Fwy, SE of Corona (Lee) Lake 378 Comment
  UCR153369  Plagiobothrys collinus var. fulvescens LeRoy Gross, Valerie Soza 2003-5-8 835 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  UCR256760  Plagiobothrys collinus var. fulvescens T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7888 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  POM13593  Plagiobothrys leptocladus P. A. Munz 1922-5-5 5158 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  POM368988  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside near Perris Comment
  RSA85110  Plagiobothrys tenellus J. C. Roos 1952-4-29 5594 Riverside Reche Canyon 457 Comment
  SBBG103908  Plagiobothrys tenellus S. D. White 1993-4-20 1209 Riverside Estelle Peak, Gavilan Hills 822 Comment
  UCR122526  Plagiobothrys tenellus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6667 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UCR266469  Plagiobothrys tenellus Mitch Provance, Robin Kinmont 2015-3-27 315- 53 Riverside Perris-Aguanga Basin Region, Murrieta Hot Springs, Leon Rd. (unmarked dirt portion) on unnamed hill c. 0.5 miles W of Skunk Hollow, vicinity of W terminus of Promontory Parkway. 430 Comment
  UCR135824  Plantago erecta A. C. Sanders, Guy Bruyea 2004-4-2 27447 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  CSUSB1065  Plantago hookeriana Kirby W. Brown 1966-4-7 Riverside Highway 71, 6.8 miles east of Temecula. 365 Comment
  RSA793409  Plantago ovata Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3942 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UC1595788  Plantago ovata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4626 Riverside 7.7 mi ne Mecca (on Box Canyon Rd) Comment
  RSA402030B  Plantago ovata var. fastigiata E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert Comment
  SD236355  Plantago patagonica A. C. Sanders, N. Ferguson 1994-6-2 14628 Riverside San Jacinto Mountains: Bautista Canyon, ca. 1 mile above the forest service boundary. 850 Comment
  UCR24901  Platanthera dilatata var. leucostachys A. C. Sanders 1980-7-22 1716 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  UCR113767  Platanus Mitch Provance, A. C. Sanders 2000-7-4 2105 A Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
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May 19 2011
  UCR224260  Platanus racemosa Robt. L. Allen, Fred M. Roberts 2007-6-22 s.n. Riverside San Jacinto Mtns. Foothills, SE of Hemet, Bautista Cyn, c. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. 727 Comment
  CLARK-A1045-75  Plectritis ciliosa subsp. insignis George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains 2 miles east of Mountain Center; grassy slope; Idyllwild 15'Q Comment
  UC218075  Plectritis ciliosa subsp. insignis P. A. Munz, I. M. Johnston 1922-5-19 5389 Riverside near Keen Camp (San Jacinto Mountains); San Jacinto Mountains 1463 Comment
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Nov 20 2010
  UCR79225  Plectritis ciliosa subsp. insignis Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6761 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Tenaja Trail from junction with Morgan Trail S to Pigeon Spring area 793 Comment
  POM118377  Pleuraphis rigida Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA718770  Pleuraphis rigida Michael Honer, L. Hulse 2004-4-4 1931 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  UC38597  Pleuraphis rigida H. M. Hall June, 1901 2118 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); borders of the Colorado Desert, San Jacinto Mountains Comment
  CAS-BOT-BC326640  Pleurocoronis pluriseta Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2216 Riverside Northwest end of the McCoy Mountians, northwest of Blackjack Mine 400 Comment
  JEPS18552  Pleurocoronis pluriseta John Thomas Howell 1928-1-29 3299 Riverside Painted Canyon Colorado Desert Comment
  UC73998  Pluchea odorata var. odorata Geo. R. Hall Sept 1905 Riverside near Riverside Comment
  CAS-BOT-BC326546  Pluchea sericea Roxana S. Ferris 1918-6-19 1007 Riverside Colorado River bottoms at Blythe Comment
  JOTR37488  Pluchea sericea Hodges, Stephen R., M. Vamstad 2016-3-22 617 Riverside Joshua Tree National Park. Eagle Mountains, South of Eagle Mine, Buzzard Springs Comment
  UCSB24469  Pluchea sericea McMinn, Howard 1935-6-22 Riverside 1/4 mile south of Elsinore Comment
  CAS-BOT-BC244377  Poa annua A. C. Sanders; T. B. Salvato 2011-3-28 38811 Riverside Peninsular Range: Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin and Evans road intersection E to I-215 Freeway, with abandoned old fields near 215 434 Comment
  CLARK-A1528-4813  Poa annua John C. Roos 1965-10-7 Riverside Hemet Comment
  SEINET3123355 Image available Poa pratensis T. B. Salvato, John F. Green 2004-1 608 Riverside San Bernardino Mtns: head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp Comment
  SD146083  Poa pratensis subsp. pratensis G. K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Riverside Northern Sierra Nevada Range; N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  RSA262071  Poa secunda E. W. Lathrop 1966-4-27 6207 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  UCD90298  Poa secunda A. A. Beetle 1944-4-27 3003 Riverside West of Murietta. Comment
  UCR164573  Poa secunda S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  UCR178028  Poa secunda Scott D. White, Michael Honer 2003-4-4 8927 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR260539  Polygonum argyrocoleon T. B. Salvato, Matt Malle, Thomas M. Sullivan Jr 2014-5-30 8060 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UCR82217  Polygonum aviculare J. M. Stewart 1994-5-2 843 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  RSA500155  Polypogon interruptus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3646 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  CSUSB468  Polypogon monspeliensis Emily E. McGregor 1972-4-15 Riverside Santa Ana River Santa Ana River bottom, off Freemont Drive. Comment
  JOTR35917  Polypogon monspeliensis De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6865 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  RSA129716  Polypogon viridis H. S. Yates 1937-6-27 6705 Riverside Near Relief Hot Spring. 457 Comment
  RSA500115  Polypogon viridis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3696 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCSB30923  Polystichum munitum Parker, V. 1974-5-7 Riverside San Jacinto Mtn., on Hwy 74, E of Hemet on the E side of the mountain. 1310 Comment
  CAS-BOT-BC334463  Populus fremontii A. C. Sanders; Timothy W. Chumley 2013-3-28 40702 Riverside Peninsular Range: Alberhill, between I-15 Fwy and Temescal Canyon Rd., W of Lake St. 378 Comment
  UCR197058  Populus nigra A. C. Sanders, D. L. Sanders 2008-9-27 36107 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  UC1511365  Porophyllum gracile James Eckenwalder 1976-10-25 1282 Riverside near Cottonwood Springs; Joshua Tree National Monument Comment
  UCR60520  Porophyllum gracile Steve Boyd 1985-7-23 1044 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 3.5 mi west of the junction with Tenaja Trail Comment
  POM12677  Potamogeton diversifolius Philip A. Munz 1922-9-6 6380 Riverside Hidden Lake 2439 Comment
  UCR89888  Prenanthella exigua A. C. Sanders, E. J. Lawlor 1992-4-4 12141 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR45120  Prosopis glandulosa L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  RSA522100  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross 1989-8-28 3793 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA698010  Prosopis juliflora W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  RSA296119  Prunus ilicifolia Barry A. Prigge 1980-8-11 3894 Riverside Whitewater Canyon: 3.2 miles upstream from trout farm. 854 Comment
  RSA450255  Prunus virginiana var. demissa J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, north fork of San Jacinto River. Comment
  RSA263880  Psathyrotes ramosissima C. W. Tilforth 1976-7-20 1212 Riverside Along power line road n.e. of Chiriaco Summit between Indio & Desert Center, Colorado Desert. Comment
  RSA726519  Psathyrotes ramosissima Naomi Fraga, Lisa Rojas 2005-2-10 1403 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SD262210  Pseudognaphalium biolettii Mitch Provance, Matt K. Beyers 2017-6-8 617 12 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. (Alberhill 7.5'Q) 366 Comment
  SEINET2053761 Image available Pseudognaphalium biolettii Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UCR213572  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37814 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  RSA0121381  Pseudognaphalium luteoalbum Duncan S. Bell, LeRoy Gross 2016-3-30 9146 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA393770  Psilocarphus brevissimus E. Dean 1929-5-5 8747 Riverside Near Elsinore Comment
  CAS-BOT-BC361784  Psilocarphus brevissimus var. brevissimus Robert F. Thorne; P. A. Munz; L. Lathrop 1968-5-8 37579 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  SDSU21798  Psilocarphus brevissimus var. brevissimus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3981 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UCR67301  Psilocarphus brevissimus var. brevissimus A. C. Sanders, E. Rey, D. Willick 1991-4-19 10922 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  UCR77753  Psilocarphus brevissimus var. brevissimus Steve Boyd, D. E. Bramlet 1991-5-13 6231 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  CAS-BOT-BC362111  Psilostrophe cooperi H. M. Hall; L. A. Greata 1905-4-1 5890 Riverside Chuckawalla Bench, Colorado Desert Comment
  CAS-BOT-BC353586  Psorothamnus arborescens var. simplicifolius Marcus E. Jones 1925-9-7 s.n. Riverside Palm Springs Comment
  SD116581  Psorothamnus arborescens var. simplicifolius Barbara Ertter, Jeffrey Strachan 1980-5-20 3568 Riverside West side Whitewater Hill, east side of Whitewater Wash, northwest end of Coachella Valley, north of I-10. 456 Comment
  RSA48326  Psorothamnus emoryi E. K. Balls 1949-4-4 129060 Riverside Hollows between Durmid and Salton sea on Hwy 111. -30 Comment
  RSA5156  Psorothamnus emoryi Carl B. Wolf 1932-4-26 2967 Riverside 3 mi. east of Mecca on Blythe Road. 0 Comment
  RSA663909  Psorothamnus emoryi C. R. Annable 1995-3-9 2259 Riverside ca. 13 km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  UC56449  Psorothamnus emoryi F. Gilman 1902-1 Riverside Palm Springs Palm Springs (Southern California) Comment
  UCR264248  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2015-9-11 41878 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, hills along dirt road above Iris Pass 735 Comment
  CAS-BOT-BC340892  Psorothamnus schottii M. McCollum 1976-6-1 2030 Riverside 8 mi SSW of Yucca Valley Comment
  GMDRC5486  Psorothamnus schottii J. Andre 2012-4-11 20847 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi. due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit 624 Comment
  RSA450122  Psorothamnus schottii J. C. Roos 1966-5-2 s.n. Riverside Mouth of Pushwalla Canyon, Indio Mtns. Comment
  SD44839  Psorothamnus schottii Darley F. Howe 1952-4-27 2190 Riverside Along All American Canal; 5 mi. so highway east of Mecca. Comment
  SFV4381  Psorothamnus schottii F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert About 7 miles up Palms to Pines Highway from Palm Desert. 335 Comment
  UCR16201  Psorothamnus schottii B. A. Carlson 1978-4-17 s.n. Riverside Western Colorado Desert, E of Desert Hot Springs, Jct of Dillon Road and Berdoo Canyon Road Comment
  CAS-BOT-BC340956  Psorothamnus spinosus Marcus E. Jones 1926-6-8 s.n. Riverside Palm Spring Comment
  RSA262103  Pterostegia drymarioides E. W. Lathrop 1969-5-8 7012 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA682147  Pterostegia drymarioides Scott D. White 2001-3-27 8174 Riverside Badlands: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  UC1329921  Purshia tridentata var. glandulosa James E. Cole 1941-5-17 722 Riverside Covington Flat; Joshua Tree National Monument 1584 Comment
  RSA0082840  Pyrola minor P. A. Munz 1922-9-6 6395 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  UCR266458  Quercus Mitch Provance 2009-9-10 17425 Riverside San Bernardino Mountains, Banning, beneath SCE lines about 290 m NW of the intersection of Bluff St. and Midas Canyon Rd 850 Comment
  RSA751250  Quercus X morehus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35609 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  UCR35009  Quercus X morehus L. B. Ziegler 1966-1 219 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area near May Valley 1555 Comment
  CAS-BOT-BC86598  Quercus X munzii Robert F. Thorne; Rolf M. T. Dahlgren; Gertrud Dahlgren 1979-8-22 53573 Riverside Joshue Tree National Monument: just S of San Bernardino Co. line near jct or road to Split Rock and 29 Palms 1325 Comment
  UCR169237  Quercus agrifolia Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 08- 65 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  RSA78297A  Quercus agrifolia var. agrifolia P. A. Munz, E. K. Balls 1952-8-21 17994 -A Riverside on dry granitic flat, Southern Oak Woodland, 1 mi. w. of Popppet Flat, Banning-Idyllwild Rd. 1220 Comment
  UCSB1039  Quercus agrifolia var. agrifolia Keator, Glenn 1959-05 Riverside foothills of northern Mt. San Jacinto Comment
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Mar 2 2014
  SD187413  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-12 05 599 Riverside San Jacinto Mountains, vicinity of McMullen Flat on SR 243 at Valley Hi County Park 1139 Comment
  SD193296  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31561 Riverside Valley Hi County Park off Highway 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  SD244164  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range: Temescal Canyon, east of Glen Ivy near where Temescal Canyon Road passes under I-15 (Lake Mathews 7.5'Q) 317 Comment
  UCR89898  Quercus berberidifolia A. C. Sanders 1995-11-26 17911 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  CAS-BOT-BC62438  Quercus chrysolepis Winifern W. Swarth 1914-9-27 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  UCD45468  Quercus chrysolepis Prof. Metcalf 1919-7-1 Riverside San Jacinto Mts, Riverside County, California. Comment
  UCSB1228  Quercus chrysolepis Neely, William 1948-10-3 Riverside Devil's Slide Trail, Idyllwild, San Jacinto Mts. 2316 Comment
  UC496520  Quercus cornelius-mulleri Philip A. Munz 1932-10-16 12845 Riverside road from Deep Canyon to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  UCSB26654  Quercus cornelius-mulleri Wilken, Dieter 1969-5-9 Riverside Hidden Valley Campground, Lost Horse Valley, 14 miles south of Joshua Tree, Joshua Tree National Monument Comment
  UCR159195  Quercus engelmannii A. C. Sanders, Kelly Volansky 2005-8-31 31594 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UC338415 Image available Quercus macdonaldii var. elegantula Edw. L. Greene 1889-6-1 Riverside Temecula Canyon Comment
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Mar 27 2011
  UC5512  Quercus palmeri H. M. Hall Jun 1901 2158 Riverside near VanDeventer's (se side); San Jacinto Mountains 1524 Comment
  UC936255  Quercus palmeri James E. Cole 1947-2-6 1001 Riverside Lower Covington Flat, San Bernardino Base and Meridian Joshua Tree National Monument 1463 Comment
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Jul 27 2009
  UC1212091  Quercus wislizeni Peter M. Ray 1948-11-27 1311 Riverside Hall Canyon San Jacinto Mts. Comment
  UCR18990  Quercus wislizeni John C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns, Near summit of Palms to Pines Hwy 1524 Comment
  RSA651697  Quercus wislizeni var. frutescens Diane M. Ramirez 1983-5-1 34 Riverside Poppet Flat Divide Truck Trial, 1 mi S of junction with CA Hwy 243, S of Banning. Comment
  SDSU13980  Quercus wislizeni var. frutescens Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2107 Riverside Just south of wet meadow region. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  JOTR34188  Rafinesquia californica La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2982 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UCR166548  Rafinesquia neomexicana Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10884 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR19340  Rafinesquia neomexicana E. B. Eldred 1977-4-10 s.n. Riverside Santa Rosa Mtns., Agave Hill at Deep Canyon reserve 838 Comment
  SEINET3159744  Ranunculus alismifolius F. M. Reed 1908-7-12 2519 Riverside San Jacinto mountains Comment
  SD132417  Ranunculus californicus Wendy Weitkamp 1990-4-12 Riverside Santa Rosa Plateau TNC Preserve, SW coener of Mesa de Burro 762 Comment
  POM201672  Ranunculus cymbalaria var. saximontanus L. M. Booth 832 Riverside near Chino Creek Comment
  SD233920  Ranunculus muricatus Jennifer H. Jones 2006-5-1 290 Riverside Foot of Box Springs Mountains, E of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. & Watkins Drive (Riverside E 7.5' Q). 334 Comment
  CHSC109258  Ranunculus sceleratus Scott D. White; Justin M. Hood 2008-7-9 12441 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1402 Comment
  UCSB8518  Ranunculus sceleratus Haller, John 1950-5-21 Riverside San Jacinto Mtns., Norht shore of Hemet Lake 1463 Comment
  SEINET13946317 Image available Rhamnus crocea Scott D. White 1996-1 3872 Riverside Bundy Cyn, SE of Lk Elsinore. About 1 road mile (-+0.2 mi) E. of Bundy Cyn Rd exit from 1-15 freeway; USGS Lake Elsinore 7.5'topo map. +- 40 ft. S of rd along mapped intermittent blueline stream [Quercus agrifolia riparian woodland w Salis Laevihata, Platamus racemosa] and adjacent N-and W-facing slopes covered by mixed chaparral and coastal sage scrub spp. 450 Comment
  UC1979345  Rhamnus crocea David Keil 1983-4-15 16893 Riverside East of Temecula on SR79. Comment
  CAS-BOT-BC56044  Rhamnus ilicifolia H. E. McMinn 1925-7-1 1489 Riverside Control at base of grade to Idyllwild, San Jacinto Mts. Comment
  RSA586043  Rhamnus ilicifolia D. L. Banks, S. D. Boyd 1995-3-16 96 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 537 Comment
  UC592932  Rhamnus tomentella subsp. cuspidata Carl B. Wolf 1932-8-6 Riverside base of Devil's Slide Trail to Tahquitz Valley; San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR107749  Rhus aromatica D. L. Banks 1997-5-5 1994 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  UCR265587  Rhus aromatica Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 12 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  RSA403687  Rhus ovata E. Crow 1928-11-12 43 Riverside Morongo Valley, Colorado Desert. Comment
  SD122182  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aquaduct crossing. 259 Comment
  CLARK-A1528-120  Rhus trilobata var. pilosissima Fred B. Essig 1967-3-18 Riverside Riverside Comment
  RSA628255  Ribes A. C. Sanders 1994-1-30 14227 Riverside Box Springs Mts. at the head of Two Trees Canyon. Comment
Read comments
Feb 16 2013
  RSA651630  Ribes aureum var. gracillimum Bennie Finnell 1948-5-17 s.n. Riverside Found near Hunt Ranch 8 mi. South of Corona. 221 Comment
  CAS-BOT-BC173138  Ribes indecorum Carl B. Wolf 1932-2-11 2650 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  CAS-BOT-BC173141  Ribes indecorum Wesley O. Griesel 1959-3-24 s.n. Riverside Highway 79, 7 miles south of Hemet 609 Comment
  OBI52765  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Eastern foothills of the Santa Ana Mtns ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adj 80 acre property to the NW; N of Cherry St, W of Adams Ave., S of Meadowlark Ridge Ln and Elm St 366 Comment
  POM48312  Ribes indecorum E. C. Jaeger 1925-3-1 1 Riverside Snow Canyon, . San Jacinto Mts. Comment
  SD217307  Ribes indecorum Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6646 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UC69248  Ribes lasianthum H. M. Hall 1897-3-20 401 Riverside Gavilan Mts. Comment
  UCR240641  Ribes malvaceum Tracy Tennant, Mitch Provance 1998-6-16 MOR- 430 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  CAS-BOT-BC212606  Ribes montigenum A. Davidson 1896-7-1 s.n. Riverside Summit, San Jacinto Peak Comment
  UCSB9364  Ribes speciosum Gill, Robert 1959-4-17 Riverside 8 mi south of West Corona on the Oak Flats Fire Road; Santa Ana Mt Range 822 Comment
  UCR199570  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCD169364  Romneya coulteri A. C. Sanders; John F. Green 2012-4-6 40013 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona. 327 Comment
  UCR213493  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38413 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. at north end of Black Powder Rd. 399 Comment
  RSA618368  Romneya coulteri var. trichocalyx D. L. Banks 1997-6-16 2060 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Pechanga Road, approximately 20 m south of the intersection of Hunter Lane and Moreno Road. 377 Comment
  RSA16352  Rosa californica Percy C. Everett 1935-6-18 7180 Riverside Santa Ana Mts., main divide motorway to Santiago Park., 1 mi. from Ortega Highway. 732 Comment
  SD187470  Rosa californica Scott D. White, Angela Carey 2004-5-7 10334 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  POM366413  Rubus parviflorus Robert L. Rutherford 1944-6-17 1401 Riverside Above Banning. 1372 Comment
  UC218158  Rubus parviflorus P. A. Munz 1922-9-6 6385 Riverside North Fork of Tahquitz Creek San Jacinto Mts., North Fork Tahquitz Creek 2209 Comment
  UCR35160  Rubus parviflorus L. B. Ziegler 1967-7-5 177 Riverside San Jacinto Mtns, Canyon of the South Fork of the San Jacinto River 1829 Comment
  RSA735069  Rumex conglomeratus Scott D. White, Angelia Carey 2004-6-4 10474 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA180480  Rumex conglomeratus E. W. Lathrop 1960-6-8 4907 Riverside 14 miles west of Murrieta Comment
  SEINET272293  Rumex crispus A. C. Sanders 1997-3-1 19725 Riverside Box Springs Mtns: Coyote Hill and ridge W of SE of the UCR Botanic Garden. UTM 10km cell: MH-7E 5N. Edgemont (Banch Mar 427 Comment
  POM12873  Sagina saginoides P. A. Munz 1922-7-6 6019 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UC116556  Salicornia subterminalis S. B. Parish 1897-6-18 4465 Riverside Menifee Comment
  RSA613312  Salix exigua D. L. Banks 1997-3-1 1377 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  JOTR31800  Salix exigua var. exigua La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2102 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  UC4990  Salix exigua var. hindsiana Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  LA208658  Salix gooddingii Carl Epling; J. Ewan June 1933 Riverside S shore Lake Elsinore Comment
  POM178784  Salix gooddingii Marcus E. Jones 1930-4-2 26030 Riverside Blythe. Comment
  POM361012  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside North of Elsinore 305 Comment
  RSA0038292  Salix hindsiana H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  PASA2676  Salix hindsiana var. leucodendroides Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside, Riverside County 240 Comment
  RSA714425  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR17443  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-2-13 334 Riverside Western Colorado Desert/ San Jacinto Mtns, c. 25' up from Zabriskie-335, immediately below Andreas Canyon Clubhouse, Andreas Canyon, E slope of mountains Comment
  RSA496743  Salix lasiolepis S. J. Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake. 488 Comment
  CAS-BOT-BC128444  Salix lasiolepis var. lasiolepis Marian L. Campbell 1921-3-19 38 Riverside Banning Comment
  RSA0112097  Salsola tragus Duncan S. Bell 2009-8-15 428 Riverside Northeast side of the Arica Mountains, where the railroad tracks cross Midland Road. 251 Comment
  RSA0094988  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92 -021 Riverside Pinyon Flats: 1/2 way between Palm Canyon Drive & Jeraboa Road, about 100-200 yards N of the road near a rocky outcrop. 1280 Comment
  SD114226  Saltugilia splendens Darley F. Howe 1941-6-9 1105 Riverside Strawberry Creek, San Jacinto Mts. Comment
  RSA0014936  Saltugilia splendens subsp. splendens LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6152 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  RSA411313  Salvia apiana N. C. Cooper 1948-5-13 2840 Riverside Devil's Garden. 244 Comment
  SEINET2065984 Image available Salvia apiana Marc Mittleman 1982-5-25 Riverside Gentry Exp. Farm, Los Alamos Rd. Murietta 365 Comment
  RSA5471  Salvia apiana var. compacta Carl B. Wolf 1932-5-24 s.n. Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  IRVC2083  Salvia columbariae Jim Pierce 1965-4-7 none Riverside Blythe. Sonoran Desert Comment
  RSA651679  Salvia columbariae J. Bruce Smiley 1940-3-16 s.n. Riverside Whitewater. 762 Comment
  UCLA70033  Salvia columbariae Virginia Mars 1951-4-21 Riverside Hidden Springs Comment
  UCLA70081  Salvia columbariae K. Watkins and E. McClintock 1937-4-9 Riverside near Winchester turnoff (Riverside to Hemet road) Comment
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Mar 20 2011
  UCLA70169  Salvia columbariae Harlan Lewis 1937-3-7 Riverside White Water Comment
  UCR165412  Salvia columbariae A. C. Sanders 2005-4-21 29563 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR227459  Salvia columbariae Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-27 173 Riverside Northeastern Colorado (Sonoran) Desert, Mecca Hills Wilderness, wash route off Hwy 195/Box Canyon Road, near wilderness boundary 366 Comment
  UCR251346  Salvia columbariae S. J. Myers 2014-5-21 1069 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  RSA727071  Salvia eremostachya Jay Walker, R. C. Walker 3096 Riverside 4.5 miles NE of Pinyon Flats, along hwy 74. Comment
  RSA582439  Salvia greatae C. Epling 1937-04 s.n. Riverside Canyon north of Hidden Spring, Orocopia Mts. Comment
  RSA659478  Salvia greatae J. C. Roos 1958-3-29 s.n. Riverside Salt Creek Wash, 3 miles N of Coachella Canal on E base of Orocopia Mtns. 305 Comment
  SD157514  Salvia mellifera Michael L. Wells 1990-4-19 90 20 Riverside Perris, intersection of Nuevo Road and Rimrock Road; southeast facing slope Comment
  UCR241956  Salvia mellifera A. C. Sanders, John F. Green 2012-3-21 39984 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  CAS-BOT-BC224865  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert 1402 Comment
  UC25680  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside e base along the borders of the Colorado Desert San Jacinto Mts.; Colorado Desert, San Jacinto Mts. 1402 Comment
  UCLA69866  Salvia pachyphylla J. Ewan 1930-8-31 2149 Riverside trail out of Tahquitz Valley; San Jacinto Mountains 2651 Comment
  UC219560  Sambucus mexicana P. A. Munz 1922-6-24 5791 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
  RSA471419  Sanicula arguta Robert Gustafson 1983-4-18 2506 Riverside Clinton Keith Road, about 5 miles from its junction with Highway 15, eastern slopes of Santa Ana Mountains, Santa Rosa Plateau. 549 Comment
  UCR151362  Sanicula arguta D. L. Banks, V. W. Steinmann 1997-3-13 1425 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR63619  Sanicula arguta Ed LaRue 1990-4-10 s.n. Riverside Midway between Pauba Valley & Wolf Valley, 1/2 mi. north of the Pechanga Indian Reservation 367 Comment
  UCR79221  Sanicula arguta Steve Boyd 1992-4-14 6806 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  UCR102840  Sanicula bipinnatifida A. C. Sanders 1997-4-3 20173 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR102886  Sanicula bipinnatifida A. C. Sanders 1997-3-26 20137 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR144752  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside Peninsular Range, Temescal Canyon, just west of I-15 Freeway and northeast of Lawson Dr. 366 Comment
  UCR226086  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  UCR48493  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  RSA527854  Sanicula crassicaulis Scott D. White 1991-5-13 91 -79 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  RSA249824  Sarcodes sanguinea R. F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38122 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  CLARK-A1528-127  Sarcostemma cynanchoides subsp. hartwegii Fred B. Essig 1967-4-2 Riverside Glen Ivy Hot Springs Comment
  UC596673  Sarcostemma cynanchoides subsp. hartwegii R. J. Smith May 1904 Riverside White Water Comment
  UCR59925  Satureja chandleri Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, SW of town of Murrieta: Miller Canyon 457 Comment
  UCR102855  Saxifraga californica A. C. Sanders 1997-4-3 20159 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA597079  Schedonorus arundinaceus D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1117 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  RSA0124390  Schismus arabicus Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8744 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA794234  Schismus barbatus Jim Andre 2012-3-19 21397 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  SDSU12240  Schismus barbatus Shasta Gaughen, M. G. Simpson 2000-4-1 6 Riverside Comment
  UC1023396  Schismus barbatus John and Lucille Roos 1951-3-24 5033 Riverside Mount Rubidoux 396 Comment
  UCR277754  Schoenoplectus acutus Mitch Provance 2013-4-16 413- 17 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR113859  Schoenoplectus acutus var. occidentalis Mitch Provance 2000-6-24 2073 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA556499  Schoenoplectus glaucus Julie Greene 1993-4-3 1106 Riverside San Jacinto Wildlife Area: west of dirt road. 445 Comment
  RSA192305  Scirpus acutus var. occidentalis Anonymous 1966-6-1 6365 Riverside Los Alamos Road, Tenaja Range. 14 miles NW of Murrieta. Comment
  UCR195097  Scirpus microcarpus A. C. Sanders, Tim Thomas 2008-8-1 35951 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  SEINET10602603  Scribneria bolanderi Andrew C. Sanders, H. Spilman 1993-4-24 Sanders 13775 Riverside San Bernardino Mountains; Summit Valley on Hwy 173, 5.4 miles NE of The Hwy 138 junction & 1 mile S of the Grass Valley Cr. Crossing. Gentle slopes of decomposed granite soil on low hills. Chaparral with Adenostoma fascic.,, Cercocarpus betul.Haplopapus linearif., Juniperus calif, Ceanothus greg., Eriodictyon trich.Eriogonum fascic.etc. above a creek with willows and a few sycamores. Comment
  POM11518  Scrophularia californica subsp. floribunda Philip A. Munz 1922-7-1 5933 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  RSA160542  Scrophularia californica subsp. floribunda J. D. Olmsted 1959-6-25 681 Riverside San Jacinto Mtns., Strawberry Creek, NE of Idyllwild, Strawberry Creek in Fern Valley 1646 Comment
  RSA180261  Scrophularia californica subsp. floribunda E. W. Lathrop 1965-4-18 5655 Riverside 10 miles west of Murrieta. Comment
  CAS-BOT-BC237865  Scrophulariaceae Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  UCR202605  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12414 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  CAS-BOT-BC341100  Scutellaria mexicana R. F. Hoover 1966-10-15 10176 Riverside Bighorn Drive, San Jacinto Mts. Comment
  LA30222  Scutellaria mexicana Harlan Lewis; 1957-4-3 sn Riverside Morongo Canyon Comment
  SD67927  Sedum niveum Reid Moran 1968-8-3 15346 Riverside On northeast slope, 1.0 mile northwest of Toro Peak. 2250 Comment
  CAS-BOT-BC69807  Selaginella bigelovii Ivan Johnston 1917-4-4 1044 Riverside Palm Canyon, Colorado Desert. 304 Comment
  RSA125964  Selaginella bigelovii E. K. Balls, Percy C. Everett 1957-11-4 22754 Riverside Snow Creek, near old Fish Hatchery and through wash. 701 Comment
  RSA684086  Selaginella bigelovii Robert Gustafson 1980-5-5 1569 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash 610 Comment
  UCR91560  Selaginella bigelovii A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15908 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  CAS-BOT-BC323968  Senecio flaccidus var. douglasii Lewis S. Rose 1938-12-25 38349 Riverside 31 mi W of Indio, Palms to Pines Highway, San Jacinto Mts. 1280 Comment
  RSA543751  Senecio flaccidus var. douglasii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6055 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  PASA953  Senecio mohavensis Margaret Stason 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
  RSA0118057  Senecio mohavensis Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7614 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UCR237634  Senecio mohavensis Duncan S. Bell, Amanda Turek 2010-4-10 795 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  UCR60771  Senecio mohavensis Steve Boyd, O. Mistretta 1986-3-13 1473 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA717626  Senecio vulgaris Scott D. White 2006-4-27 11285 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR97666  Senecio vulgaris A. C. Sanders, G. Helmkamp 1997-3-15 19949 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  SD127580  Senna armata Carl B. Wolf 1932-4-27 3022 Riverside 17 miles east of Mecca, on Blythe Road. 500 Comment
  UCR162620  Senna artemisioides Nathan Moorhatch 2003-3-19 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Cathedral City, Whitewater River channel at Date Palm Drive 91 Comment
  POM11977  Senna covesii E. C. Jaeger 1921-03 s.n. Riverside Martinez Canyon., [I think Martinez Cyn. should be either in the San Jacinto Mtns. region or in the western Colo Des region -- the Martinez Cyn I know of is in the Santa Rosa Mtns. -SDW 2004] Comment
  SD233238  Sequoia sempervirens Scott D. White, Justin M. Wood 2009-5-22 12922 Riverside San Jacinto Mts: Halfway Spring, accessedvia Old Control Road. Spring surrounded by small patch of wetland. 1159 Comment
  SEINET3228162  Sesbania herbacea G. Rink, S. Rhodes 2012-9-9 11688 Riverside Agricultural fields southwest of Blythe 84 Comment
  RSA724104  Setaria adhaerens R. E. Riefner 2005-10-7 5 -723 Riverside City of Riverside, residential lots along Elderwood Ct. at Tequesquito Ave. 237 Comment
  RSA605766  Setaria adhaerens A. C. Sanders 1995-5-23 17121 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. Comment
  RSA737213  Setaria parviflora Justin M. Wood 2008-9-30 167 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR176676  Setaria parviflora G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  RSA89904  Setaria verticillata J. C. Roos 1952-5-14 5660 Riverside Scattered locally along edge of irrigated orchard with Echinochloa, Crusgalli, etc., corner of Iowa and 8th Street east of Riverside. 305 Comment
  UCR120  Setaria viridis Frank C. Vasek 1959-8-6 590806- 03 Riverside Riverside, O.F. Clarke residence at 1012 Spruce St. 305 Comment
  RSA579290  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6778 Riverside Santa Ana Mountains., Elsinore Peak area, S of Lake Elsinore. South base of Peak (3448) to SE of Elsinore Peak area. 1000 Comment
  RSA0002000  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6783 Riverside Santa Ana Mts., Elsinore Peak area south of Lake Elsinore, on Onion Hill, a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. 1012 Comment
  CSUSB592  Sidalcea malviflora Ray O. Perez 1955-5-20 Riverside Lake Hemet Lake Hemet- north shore Comment
  UC1930011  Sidalcea malviflora subsp. sparsifolia Scott D. White, Justin Wood 2008-5-15 12007 Riverside San JAcinto Mountains: Johnson Meadow. (Idyllwild) Comment
  CAS-BOT-BC109437  Sidotheca caryophylloides James L. Reveal; Barbara J. Ertter 1976-6-30 4572 Riverside San Jacinto Mountains, along California Highway 243 at the turnoff to Black Mountain north of Idyllwild. 1615 Comment
  CAS-BOT-BC434385  Sidotheca trilobata H. M. Hall 1901-6-1 2082 Riverside San Jacinto Mountians. In the vicinity of Chalk Hill 1402 Comment
  RSA0086987  Silene platyota Scott D. White, Tasha La Doux 2000-4-20 7712 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR205288  Silene verecunda subsp. platyota Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1701 Riverside San Jacinto Mountains, junction of Dark Canyon and Fuller Mill Creek 1585 Comment
  RSA407741  Silybum marianum Steve Boyd 1986-4-22 1726 Riverside Temescal Canyon, Walker Canyon area where Alberhill Creek flows between Alberhill Mountain and Gavilan Hills Comment
  CAS-BOT-BC202940  Simmondsia chinensis P. A. Munz 1921-4-30 4490 Riverside Near Pinyon Wells 1219 Comment
  SBBG71058  Simmondsia chinensis H. and M. Dearing 1938-11-12 142 Riverside Little San Bernardino Mtns; Joshua Tree Nat Park 762 Comment
  UC1444525  Simmondsia chinensis Rudolf Schmid 1973-4-14 1973 -1 Riverside Cholla Cactus Garden Joshua Tree National Monument; , Cholla Cactus Garden Comment
  UC635582  Simmondsia chinensis Herbert L. Mason 1926-5-1 3188 Riverside Aguanga Valley Comment
  RSA761685  Simmondsia chinensis Robert F. Thorne 1986-1 62096 Riverside [Unspecified] Comment
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Apr 27 2011
  SD132409  Sisymbrium erysimoides O. F. Clarke 1973-4-1 Riverside Riverside, Corner of Spruce and Rustin Streets. Comment
Read comments
Mar 4 2017
  UCR158341  Sisymbrium officinale A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30077 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UC845040  Sis