Search Results — 2000 specimen records retrieved (1907 records with coordinates)
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 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
  SD229021  Abies concolor Dick Schwenkmeyer 2012-9-20 835 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  SD229022  Abies concolor Dick Schwenkmeyer 2012-8-7 787 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCD134183  Abies concolor Frank C. Vasek; K. Neisses 1979-7-26 790726 -9 Riverside Santa Rosa Mountains; Stump Spring Campground. Comment
  CAS-BOT-BC229325  Abronia villosa Alice Eastwood 1913-4-30 3111 Riverside Palm Springs Comment
  RSA788728  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3151 Riverside Southern section of the Mecca Hills, approximately 2 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 68 Comment
  UCR94253  Abronia villosa var. aurita Scott D. White 1996-4-14 3913 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
  UCR241517  Abronia villosa var. villosa A. C. Sanders, Ann Howald 2013-2-27 40543 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  RSA0070271  Acacia greggii Cheryl Sevilla, Sarah J. De Groot 2015-5-6 80 Riverside Sonoran Desert; Coachella Valley; north of the Santa Rosa Mountains; south of La Quinta; 2.1 air miles west-southwest of Lake Cahuilla. 210 Comment
  RSA414901  Acacia greggii var. arizonica Ora M. Clark 1929-3-17 1748 Riverside S. La Quinta. Comment
  LA26702  Acamptopappus sphaerocephalus William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  POM308627  Acamptopappus sphaerocephalus var. sphaerocephalus Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3222 Riverside Near Indio. Comment
  SEINET4692081 Image available Achnatherum coronatum Steve Boyd, Tim Ross 1991-1 6370 Riverside Warm Springs Creek 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
  RSA801948  Achnatherum latiglume LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6159 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
  CAS-BOT-BC216887  Achnatherum occidentale Ralph Hoffman 1929-9-6 s.n. Riverside Tahquitz Peak, Mount San Jacinto [San Jacinto Mountains] 2438 Comment
  POM10327  Achyronychia cooperi Charlotte M. Wilder 1905-04 707 Riverside Santa Marie Mountains. Comment
  RSA423489  Achyronychia cooperi N. C. Cooper 1949-4-8 3302 Riverside Desert Center. 609 Comment
  SEINET3156335  Achyronychia cooperi Unknown 1906-5-1 11 -6707 Riverside collected on Colorado desert at Palm Springs Comment
  CAS-BOT-BC204876  Acmispon argyraeus var. argyraeus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  OBI12981  Acmispon glaber var. brevialatus Robert F. Hoover 1969-4-11 11221 Riverside Mouth of Morongo valley cyn Comment
  SD237430  Acmispon glaber var. brevialatus T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5161 Riverside Peninsular Range; Gavilan Hills: Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15. 462 Comment
  RSA0123348  Acmispon rigidus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9007 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
  UCD104404  Acmispon strigosus C. L. Hitchcock; C. V. Muhlick 1962-3-16 22140 Riverside Temescal Canyon, ca. 8 mi. s.e. of Corona. Comment
  UCR260525  Acourtia microcephala T. B. Salvato 2014-5-29 8045 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  CAS-BOT-BC22558  Adenophyllum porophylloides Harvey Keith Wagnon 1944-5-25 394 Riverside North side Tahquitz Canyon, Palm Springs Comment
  CAS-BOT-BC22561  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  RSA772856  Adenostoma fasciculatum Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4824 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR193950  Adenostoma sparsifolium A. C. Sanders 2008-7-25 35902 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  RSA523501  Adiantum jordanii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3961 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA535476  Adiantum jordanii Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6654 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  RSA612814  Adiantum jordanii Darin L. Banks 1997-3-1 1355 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  OBI6574  Agave deserti H. E. McMinn 1935-10-27 4047 Riverside E of Ribbonwood Palms to Pines Hwy Comment
  UC1930019  Agoseris heterophylla Scott D. White, Justin Wood 2008-5-15 11959 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  RSA95111  Agoseris heterophylla var. heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  UC1409046  Agoseris retrorsa Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38105 Riverside above James Reserve; San Bernardino Natl. Forest, San Jacinto Mts., Hall Canyon 1676 Comment
  UCR193534  Agrostis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35658 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  RSA457396  Agrostis exarata A. R. Roos 1937-8-19 10694 Riverside Idyllwild, San Jacinto Mountains. Comment
  CAS-BOT-BC139354  Agrostis idahoensis Carl B. Wolf 1932-8-5 3945 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  RSA708056  Ailanthus altissima Scott D. White, Angelia Carey 2004-4-16 10152 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR104623  Alchemilla occidentalis D. E. Bramlet 1991-5-1 2108 Riverside Shipley Multi-Species Reserve, small valley some 2 km south of Crown Valley and 1.3 km east of Rawson Canyon, 167m SE of knoll 2283 ft., on a N facing slope above a blue-line stream 707 Comment
  UCR171903  Alchemilla occidentalis John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  RSA784964  Allionia incarnata Duncan S. Bell 2012-3-18 3228 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  JOTR35991  Allionia incarnata var. incarnata Harding, Mitzi, Mark Wheeler 2012-9-4 202 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  RSA593786  Allium cratericola Jeri Hirshberg 1995-5-19 281 Riverside San Jacinto Mountains, Garner Valley, north of Morris Creek. Comment
  CAS-BOT-BC472713  Allium lacunosum var. lacunosum Steve Boyd 2010-5-26 12278 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along old Main Divide Road, east of road up to communications towers, near concrete wildlife drinker 1040 Comment
  UCR201613  Allium peninsulare Scott D. White, Justin M. Wood 2008-6-19 12255 Riverside San Jacinto Mountains, USFS Road (5S08) between Keen Camp Summit and Baldy Mountain 1616 Comment
  UCR193749  Allophyllum A. C. Sanders, Mitch Provance 2008-7-11 35752 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  RSA271885  Allophyllum glutinosum C. W. Tilforth, W. Wisura 1978-7-25 1650 Riverside Along Murrieta- De Luz Rd., west of Murrieta. Comment
  RSA747869  Allophyllum glutinosum Justin M. Wood 2009-5-11 700 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UC284207  Allophyllum glutinosum P. A. Munz 1923-6-14 7115 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1158 Comment
Read comments
Apr 1 2013
  CHSC271  Almutaster pauciflorus E. Thomas 1940-7-18 Riverside Palm Canyon. 243 Comment
  UCR17613  Alnus rhombifolia N. R. Zabriskie, W. M. Zabriskie 1971-2-13 339 Riverside Western Colorado Desert/ San Jacinto Mtns, N bank 100 yds upstream from crossing below Clubhouse; Andreas Canyon, E slope mtns Comment
  SEINET3917689  Alopecurus aequalis Robert F. Thorne, J. P. Simon; C. W. Tilforth 1969-6-24 38145 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmore.; 0 1615 Comment
  CLARK-A1528-1390  Amaranthus albus John C. Roos 1951-9-25 5267 Riverside Riverside 259 Comment
  UCR59521  Amaranthus albus Steve Boyd 1989-6-4 3609 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  SEINET10389835  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2015-9-10 41862 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  RSA338589  Amaranthus palmeri A. C. Sanders 1985-8-24 5949 Riverside Near oasis in lower Coachella Valley. On E side of Hwy 195, ca 0.5 mi N of intersection with Hwy 86 and just N of Ave 77. -52 Comment
  UCR230599  Amaranthus palmeri A. C. Sanders 2011-9-15 39896 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  CLARK-A1528-5235  Amaranthus retroflexus John C. Roos 1937-8-17 2406 Riverside San Jacinto Comment
  RSA751506  Amaranthus torreyi J. Andre, T. La Doux 2008-9-16 10686 Riverside Joshua Tree National Park: along Bell Mtn. Rd., atop Bell Mtn. approx 0.3 mi. N of radio tower. 1359 Comment
  CDA9953  Ambrosia acanthicarpa R. D. Goeden, D. W. Ricker 1969-7-31 s.n. Riverside Peninsular Range; San Jacinto Mountains; Lake Hemet, along Highway 74 south of inlet. Comment
  UC527697  Ambrosia acanthicarpa C. B. Wolf 1931-10-14 Riverside roadside at Cabazon; San Gorgonio Pass 518 Comment
  UCR92765  Ambrosia acanthicarpa F. M. Reed 1933-10-14 8191 Riverside South Coast; San Bernardino Valley, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 245 Comment
  IRVC729  Ambrosia dumosa L. T. McHargue 1966-11-25 s.n. Riverside Coachella Valley; 0.5mi. E of Junction of Ramon Road and 1000 Palms Canyon Road northern Sonoran Desert Comment
  LA202894  Ambrosia dumosa W. B. Welch; 1928-5-5 sn Riverside Travertine Rock near Salton Sea Comment
  LA202914  Ambrosia dumosa J. A. Ewan; 1931-4-2 4098 Riverside 10 mi. N of Edom Comment
  POM14015  Ambrosia dumosa Philip A. Munz, D. D. Keck 1922-4-13 4934 Riverside Eagle Mountains 274 Comment
  RSA416964  Ambrosia dumosa Anstruther Davidson s.n. Riverside Colorado Desert. Comment
  UCR196392  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR20775  Ambrosia dumosa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 01313 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
  UCR275449  Ambrosia dumosa Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-31 946 Riverside Sonoran (Colorado) Desert, wash crossing Midland-Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  POM11970  Ambrosia ilicifolia E. C. Jaeger 1921-4-1 1024 Riverside Chuckawalla Mts. Aztec Wash. Comment
  RSA335036  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  SD122972  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 Riverside Northwest base of Redonda Mesa on Tenaja Road; 0.8 miles east of junction with 8S01 and 8S02. Comment
  UCR40411  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  RSA603204  Ambrosia pumila Steve Boyd 1997-7-22 10017 Riverside Gavilan Hills region: Warm Springs Valley northwest of Lake Elsinore, about Alberhill Creek at the head of Walker Canyon near Durant Siding, southeast base of Alberhill Mountain along Nichols Road, 0.2 miles southwest of junction with Collier Avenue. 381 Comment
Read comments
Jun 10 2015
  UC1279725  Ambrosia salsola David B. Dunn 1946-2-21 3656 Riverside w of Indio (near Pushawalla); Colorado Desert, Indio Hills, Pushawalla Canyon Comment
  UCD128859  Ambrosia salsola var. salsola D. L. Goforth 1979-4-11 103 Riverside 1km north of the junction of interstate 10 and the south entrance road to Joshual Tree National Monument. 518 Comment
  UCR65292  Amelanchier utahensis Steve Boyd, K. A. Boyd, C. Boyd 1989-5-13 3592 Riverside Foothills of San Jacinto Mtns., upper Bautista Cyn, just below turnoff to Tripp Flat Ranger Station 1189 Comment
  LA210921  Amelanchier utahensis C. B. Wolf; 1931-5-11 1955 Riverside SAN JACINTO MOUNTAINS, near Pipe Creek, above Hemet Valley. 1676 Comment
  RSA737226  Ammannia coccinea Justin M. Wood 2008-9-22 146 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA263785  Amorpha californica R. Weatherby 1950-5-18 s.n Riverside Hagador 640 Comment
  UCR17127.2  Amorpha fruticosa var. occidentalis Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  JOTR35928  Amsinckia intermedia De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6876 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  SEINET10455555  Amsinckia intermedia A. K. Evans 1976-4-13 Evans 5187 Riverside On same sheet as Dunn 2109, UMO 161837. Rocky slopes of Santa Rosa mountains. Comment
  UC480653  Amsinckia menziesii var. menziesii Philip A. Munz 1927-5-20 10795 Riverside Murietta Hot Springs Comment
  UCR120905  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24945 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UC1228555  Amsinckia spectabilis C. L. Hitchcock, C. V. Muhlick 1962-3-16 22131 Riverside 8 mi se of Corona; Temescal Canyon Comment
  JEPS61175  Amsinckia tessellata var. tessellata W. L. Jepson 1928-4-25 12619 Riverside Cottonwood Spring; Colorado Desert, Eagle Mountains 731 Comment
  POM98948  Amsonia tomentosa var. tomentosa E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  UCR133676  Anagallis arvensis 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
  UCR281211  Ancistrocarphus filagineus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 40 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  RSA500988A  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3107 A Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  RSA314396  Andropogon glomeratus R. F. Thorne 1982-10-8 55407 Riverside San Bernardino Mountains: about 3.2 miles north of Whitewater Post Office 595 Comment
  RSA593798  Androsace elongata subsp. acuta Jeri Hirshberg 1995-5-19 273 A Riverside San Jacinto Mountains, Garner Valley. Comment
  UCR232038  Anemopsis californica John F. Green 2008-4-22 04- 02 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  CHSC260  Anthemis cotula S. Westerberg 1934-3-23 Riverside Palm Springs. Comment
  UCR270743  Anthriscus caucalis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8377 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  JEPS16669  Antirrhinum coulterianum Rimo Bacigalupi with Gene Newcomb 1954-4-25 4396 Riverside 0.75 mi s Sage (along Calif Hwy 79, close to summit of St. Johns Grade, 9.5 mi n of junction with Calif Hwy 71) 731 Comment
  POM10108  Antirrhinum coulterianum Charlotte M. Wilder 1904-5-15 183 Riverside North side of Jurupa Hills, NW of Riverside Comment
  RSA33650  Antirrhinum coulterianum N. C. Cooper 1944-7-17 1425 Riverside West side 1524 Comment
  RSA425818  Antirrhinum filipes F. R. Fosberg 1932-3-13 8084 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA736692  Antirrhinum nuttallianum Scott D. White 2004-4-26 10259 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR214011  Antirrhinum nuttallianum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37797 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  SD185109  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 miles easoutheast of Gavilan Peak. 622 Comment
  UCR35001  Apocynum cannabinum L. B. Ziegler 1968-6-25 320 Riverside San Jacinto Mtns, Hemet Valley 1418 Comment
  RSA161333  Arabis glaucovalvula P. H. Raven 1958-5-5 12900 Riverside To the west of Split Rock Tank, Joshua Tree National Monument. Comment
  POM99028  Arabis glaucovalvula E. C. Jaeger 1926-3-24 s.n. Riverside White Tank, northern edge of Colorado Desert Comment
  RSA0128656  Arabis repanda P. A. Munz 1922-9-6 6386 Riverside North fork of Tahquitz Creek; San Jacinto Mts. 2210 Comment
  RSA629419  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19509 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629429  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16854 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA526501  Arctostaphylos glandulosa subsp. adamsii Steve Boyd, T. S. Ross 1990-5-11 4696 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA629408  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19497 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  POM367314  Arctostaphylos glauca Anstruther Davidson 1892-05 1765 Riverside Banning. Comment
  RSA229326  Arctostaphylos glauca F. C. Vasek, J. F. Clovis 1971-4-28 1743 Riverside Little San Bernardino Mts., Joshua Tree National Monument; Ridge and coves one mile east of Juniper Flats 1463 Comment
  RSA631719  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19262 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631729  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19291 Riverside Highway 79, at Radec. 580 Comment
  RSA631796  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19562 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631837  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15063 Riverside Highway 79, 3 km east of Temecula Creek. 550 Comment
  SDSU17428  Arctostaphylos glauca C. Matt Guilliams 2007-8-2 394 Riverside Temescal Valley, west of Interstate 15. Along Cleveland National Forest margin in east-west trending ravine, on shaded north-facing slope. Housing development in progress. Ravine near intersection of McVicker Canyon Park Road and Gateway Rd. 630 Comment
  RSA633526  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20106 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633580  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20118 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633581  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22528 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633599  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16713 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633615  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21760 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633625  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16688 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633703  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16673 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633767  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16633 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA761232  Arctostaphylos pringlei Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 723 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC44363  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idylwild Comment
  CAS-BOT-BC44368  Arctostaphylos pringlei subsp. drupacea Vernon Bailey 1907-8-5 1199 Riverside Idyllwild, San Jacinto Mts. 1371 Comment
  RSA635650  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16647 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  RSA635651  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16649 Riverside Road to Santa Rosa Mtn. (7S02), 8.5 km south of Hwy 74. 1930 Comment
  SD128326  Arctostaphylos pringlei subsp. drupacea R. Mitchel Beauchamp 1971-5-15 2418 Riverside San Jacinto Mtns., Black Mountain campground 1710 Comment
  CAS-BOT-BC46340  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA635770  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16746 Riverside Rd. to Thomas Mtn. (5S15), 2.7 km west of Hwy. 74 on Pyramid Peak Rd., San Jacinto Mountains. 1480 Comment
  RSA635771  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16747 Riverside Rd. to Thomas Mtn. (5S15), 2.7 km west of Hwy. 74 on Pyramid Peak Rd., San Jacinto Mountains. 1480 Comment
  SEINET9292943  Arctostaphylos viscida Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR139243  Arenaria douglasii A. C. Sanders, Kate Kramer 2003-6-11 26882 Riverside San Jacinto Mtns., Garner Valley, southwest side of the valley, foot of Thomas Mtn., west of Hwy 74 on south side of Ramona Truck Trail 1402 Comment
  CLARK-A1528-4479  Aristida purpurea John C. Roos 1965-9-26 Riverside Palm Springs 0 Comment
  POM6655  Aristida purpurea var. nealleyi P. A. Munz, L. T. Street 1919-5-7 2725 Riverside Mouth of Tahquitz Canyon. Comment
  SEINET3004998  Aristida purpurea var. nealleyi G. Rink 2011-4-4 10426 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UC577596  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6723 Riverside head of Deep Canyon; Thermal Quad. Comment
  UCD56525  Aristida purpurea var. wrightii A. A. Beetle 1942-4-22 3184 Riverside Rt. 60 near Desert Center. Comment
  RSA295237  Artemisia californica N. R. Zabriskie, W. M. Zabriskie 1972-12-25 548 Riverside On Trail to ridge above Eagle Peak, Andreas Canyon watershed, east slope San Jacinto Mts. 915 Comment
  RSA596672  Artemisia californica Darin L. Banks, Lauren Raz 1996-11-5 1146 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UC1080343  Artemisia californica E. K. Balls and P. C. Everett 1957-11-4 22755 Riverside Snow Creek 609 Comment
  RSA595907  Artemisia douglasiana Darin L. Banks, Lauren Raz 1996-11-5 1166 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, ESE of San Gabriel Church; Along the floodplain of the southern fork of Pechanga Creek. 415 Comment
  SD233728  Artemisia douglasiana A. C. Sanders, Kelly Volansky 2003-10-16 27350 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  HSC101294  Artemisia dracunculus A. C. Sanders, D. L. Sanders 2010-11-28 38700 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 232 Comment
  SD67909  Artemisia dracunculus Reid Moran 1968-8-3 15351 Riverside open northeast slope, ridge 1 mile northwest of Toro Peak 2250 Comment
  SBBG62495  Artemisia ludoviciana M. Lewis 1947-8-26 11 Riverside Skunk Cabbage Meadow 2194 Comment
  SD234280  Artemisia tridentata subsp. tridentata R. E. Jr. Riefner 2006-9-19 06 442 Riverside Temecula Valley, c. 0.1 mi, west of I-15 Freeway along Temecula Creek. 301 Comment
  UC1782173  Artemisia vulgaris O. F. Clarke 2000-12-9 Riverside O. F. Clarke residence, 266 Frost Court 360 Comment
  RSA401649A  Asclepias californica J. Ewan 1929-6-16 s.n. Riverside Gravelly soil above stream Bear Trap Canyon. NW of Idyllwild. 1646 Comment
  UCR133948  Asclepias eriocarpa John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  JOTR32021  Asclepias erosa La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2251 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; wide, sandy wash draining into Pinto Wash (Stop 3) 476 Comment
  OBI37557  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Rosa Plateau region, NW base of Redonda mesa on Tenaja Rd, 0.8 mi E ofjtn with 8S01 and 8S02 Comment
  POM123014  Asclepias subulata Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  RSA1203  Asclepias subulata B. D. Stark 1930-8-17 892 Riverside Box Canyon. Comment
  SBBG58653  Asclepias subulata S. W. Hutchinson -Feb-1927 10 Riverside Box Cyn 121 Comment
  SEINET3081784 Image available Asclepias subulata John N. Bullock 1970-5-8 P 22 Riverside 100 metres s.e. of California State Highway 195 8.9 m. e. of the All American canal 293 Comment
  UC211619  Aspidotis californica F. M. Reed 1908-2-23 2236 Riverside Jurupa Hills above Wilder's Canyon, W of Riverside 426 Comment
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Jul 30 2006
  RSA160569  Aster subspicatus J. D. Olmsted 1959-9-23 1017 Riverside San Jacinto River crossing by Lakeview Rd. from US 395 NW of Lakeview Mts 427 Comment
  UCR264470  Aster subulatus Jeremiah George 2014-12-11 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  RSA696777  Aster tortifolius J. Russell Bruff 1928-4-2 161 Riverside 8 mi. N of Cottonwood Springs. Comment
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Sep 20 2011
  UCD166200  Astragalus Jack Major 1962-4-16 765 Riverside Along side of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  RSA415465  Astragalus didymocarpus Anstruther Davidson 1920-05 s.n. Riverside Temescal Comment
  LA204925  Astragalus didymocarpus var. obispoensis C. B. Wolf; 1935-4-7 6301 Riverside Gavilan Hills region, 2 mi. SW of Perris 426 Comment
  CAS-BOT-BC178454  Astragalus douglasii var. parishii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  JEPS54610  Astragalus douglasii var. parishii W. L. Jepson 1901-5-19 1301 Riverside Strawberry Valley Mt. San Jacinto, Strawberry Valley Comment
  RSA415492  Astragalus douglasii var. parishii Robert Kessler 1921-9-1 s.n Riverside Summit of Tahquitz. 2439 Comment
  UC1128784  Astragalus douglasii var. parishii H. S. Yates 1937-6-27 6717 Riverside near Idlewild; San Jacinto Quad., near Idlewild Comment
  POM306062  Astragalus filipes Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n Riverside Palms to Pines Highway. Comment
  SEINET3101941  Astragalus filipes Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17363 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  RSA524415  Astragalus gambelianus Steve Boyd 1990-4-3 4107 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SD137785  Astragalus gambelianus Darin L. Banks, Steve Boyd 1995-5-9 320 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area; west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 730 Comment
  SEINET1906293 Image available Astragalus lentiginosus var. albiflorus Sarah J. De Groot, J. Mark Porter 2006-1 5197 Riverside North foot of San Jacinto Mts, between snow Creek Road and Highway 111. 366 Comment
  UCR124650  Astragalus lentiginosus var. coachellae B. C. Templeton, I. W. Clokey 1930-4-9 1072 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, near Palm Springs Station 305 Comment
  UCR244914  Astragalus lentiginosus var. variabilis Jim Andre 2012-3-19 21355 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  HSC14576  Astragalus magdalenae var. peirsonii R. A. Eagle 1964-3-28 20 Riverside 3.8 mi. out of Palm Springs on the Thunderbird Rd. Comment
  SBBG3239  Astragalus pomonensis H. and M. Dearing 1939-4-5 3089 Riverside above Hemet Valley on Beaumont Rd Comment
  UCR94648  Astragalus pomonensis Scott D. White 1996-5-27 4071 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  UC219066  Astragalus purshii var. tinctus P. A. Munz 1922-6-28 5872 Riverside ridge w Toro Peak; Santa Rosa Mts., w of Toro Peak 2286 Comment
  RSA614428  Astragalus tricarinatus Aaron Liston, L. H. Rieseberg, Oscar Dorado 1992-3-26 852 Riverside Whitewater Canyon, 0.8 miles N of Whitewater Comment
  UCR241945  Athysanus pusillus A. C. Sanders, Timothy W. Chumley 2013-4-2 40745 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  JEPS30499  Atrichoseris platyphylla Donald Kyhos 1958-2-15 58 -14 Riverside Cold Springs Chuckawalla Mountains, Cold Springs Comment
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Nov 22 2011
  UCR196358  Atrichoseris platyphylla Naomi Fraga, Lisa Rojas 2005-2-10 1405 A Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  SD229126  Atriplex canescens Dick Schwenkmeyer 2012-11-6 876 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  CAS-BOT-BC170208  Atriplex canescens subsp. canescens Roxana S. Ferris 1918-6-19 1008 Riverside Colorado River bottoms, Blythe Comment
  POM202637  Atriplex canescens var. laciniata W. M. Ingram 1934-10 8 Riverside Salton. -61 Comment
  RSA0015058  Atriplex coronata var. notatior D. E. Bramlet, F. Roberts, I. Anderson 2005-6-10 3877 Riverside 4.5 miles west of Hemet, 2000 feet south of Stetson and 700 feet east of California. 456 Comment
  RSA520927  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2038 Riverside 6.5 km West of Hemet, approximately 600 m south and west of the intersection of warren and Florida. 0-50m east of the MWD San Diego Canal. 457 Comment
  RSA537269  Atriplex coronata var. notatior D. E. Bramlet 1991-5-10 2148 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
  UCD169503  Atriplex coronata var. notatior Mitch Provance 2005-5-17 6594 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. 396 Comment
  SD254590  Atriplex elegans Jeremiah George 2014-12-11 Riverside San Gorgonio Pass Region: Beaumont, just south of West 4th St. at end of small paved spur road, aea boxed in by commecial development (Beaumont 7.5'Q) 772 Comment
  CAS-BOT-BC170254  Atriplex hymenelytra G. P. Rixford 1911-4-1 s.n. Riverside 10 miles SE of Mecca Comment
  RSA696718  Atriplex lentiformis J. R. Bruff 1927-10-8 1 -C Riverside Thousand Palms. Comment
  SEINET4136681  Atriplex lentiformis S. Langer 1994-4-6 s.n. Riverside Junction of Mecca and Hwy. 195.; 0 58 Comment
  RSA486455  Atriplex lentiformis subsp. breweri Richard Noyes, L. Arnseth 1988-10-30 761 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  CAS-BOT-BC176535  Atriplex polycarpa Roxana S. Ferris 1918-6-15 974 Riverside Indian Wells Comment
  UCR274223  Atriplex polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7666 Riverside Santa Rosa Mountains, the foot of the mountains between Toro Canyon and Martinez Canyon 169 Comment
  POM78943  Atriplex serenana I. M. Johnston 1923-7-19 s.n. Riverside Norco-Pedley Road 4 mi. SSE of Wineville. Comment
  RSA737438  Atriplex serenana var. serenana Justin M. Wood 2008-8-31 118 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR201865  Atriplex suberecta Justin M. Wood 2008-8-31 118 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  CAS-BOT-BC145738  Avena sativa John Thomas Howell 1960-3-24 35146 Riverside Hemet. Comment
  POM295622  Baccharis brachyphylla Lyman Benson 1955-1-8 15402 Riverside Edge of San Jacinto Mountains, 5 miles NE of Palm Springs 61 Comment
  SBBG93066  Baccharis brachyphylla A. C. Sanders 1989-9-19 9503 Riverside ca. 1.75 air km S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range 680 Comment
  UC1010319  Baccharis brachyphylla John C. Roos 1950-10-15 5008 Riverside about 1 mi s of Riverside-San Bernardino County line Dry Morongo Canyon 609 Comment
  RSA350336  Baccharis emoryi L. C. Wheeler 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  CLARK-A1528-1638  Baccharis glutinosa John C. Roos 1951-10-24 5346 Riverside Santa Ana River 259 Comment
  UCR115938  Baccharis glutinosa Mitch Provance, S. D. Boyd 1999-9-14 1784 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  GMDRC6585  Baccharis salicifolia J. M. Andre 2012-6-15 30547 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  SD229073  Baccharis salicifolia subsp. salicifolia Dick Schwenkmeyer 2012-10-16 846 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UC63377  Baccharis salicifolia subsp. salicifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1828 Riverside near Palm Canon; Riverside, Santa Rosa Peak, Palomar 914 Comment
  CAS-BOT-BC106672  Baccharis salicina W. I. Follett; E. B. Follett 1948-10-31 s.n. Riverside Road 7.3 mi. west & 7.4 mi. south of Blythe Comment
  CLARK-A1656-809  Baccharis sergiloides Theo Glenn 1982-9-25 Riverside Snow Creek Comment
  RSA5607  Baccharis sergiloides C. B. Wolf 1932-10-12 4298 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  RSA696791  Baccharis sergiloides J. Russell Bruff 1927-11-24 7 Riverside Whitewater. Comment
  SD248322  Baccharis sergiloides A. C. Sanders, T. B. Salvato, et al. 2013-10-2 40957 Riverside Peninsular Range: Wilson Valley Preserve, 0.12 mile south of Wilson Valley Road, 1.1 mile east of Sage Road, 1.65 mile east of Round Top Mountain. 769 Comment
  UC893735  Baccharis sergiloides Carl B. Wolf 1932-10-13 4310 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  SD224826  Bahia absinthifolia Daryl Koutnik 1996-7-19 Riverside Riverside: Univ. of CA, Riverside, UCR Botanical Garden. 853 Comment
  UCR94918  Bahia absinthifolia D. L. Koutnik 1996-7-19 s.n. Riverside Riverside, Univ. of Calif., Riverside, UCR Botanical Garden 854 Comment
  SD258859  Bahiopsis parishii Sarah J. De Groot, Grace Cho 2016-4-4 7769 Riverside Santa Rosa Mountains, SW of palm Desert, N of Alpine Village and Highway 74; Along Dunn Road between Haystack and Asbestos Mountains 1232 Comment
  CAS-BOT-BC166535  Baileya multiradiata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges: City of Temecula, immediately N and S of Murrieta Hot Springs Rd. along San Diego Aqueduct right-of-way 396 Comment
  UCSB9966  Baileya multiradiata Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shaver Summit Comment
  RSA571292  Barbarea orthoceras Steve Boyd, D. L. Banks 1994-4-5 8272 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potreto, along the Lucas Canyon Trail. 732 Comment
  UCR45121  Bassia hyssopifolia 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
  CDA10492  Bebbia juncea T. C. Fuller 1962-10-2 9698 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  UCR72213  Bebbia juncea Theo Glenn 1991-5-20 91- 106 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  RSA735388  Bebbia juncea var. aspera Steve Boyd 2007-4-20 11726 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh CanSoutheast-facing slope on English Lake trail. The Salmon Mountains., High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Areayon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  RSA746821  Bebbia juncea var. aspera Michael Honer 2003-4-16 1833 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
  CLARK-A1528-100  Beloperone californica Charlotte Stocks 1964-9-11 Riverside La Quinta Comment
  UCR92702  Berberis dictyota A. C. Sanders, O. F. Clarke, et al. 1996-4-13 18031 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  RSA0008555  Berberis nevinii J. C. Roos, Lucille Roos 1949-5-21 4321 Riverside Near Vail Dam, 2 miles north of Dripping Springs, southwestern Riverside County. Comment
  UCR191546  Beta macrocarpa A. C. Sanders 2008-4-15 34892 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 383 Comment
  LA90280  Boechera parishii Arnold Menke; 1955-4-28 sn Riverside Hemet Valley, S side of road Comment
  CAS-BOT-BC14158  Boechera perennans K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines highway near road to Shumway. Comment
  CAS-BOT-BC14161  Boechera perennans John F. Emmel 1971-3-22 330 Riverside San Jacinto Mountains. Northeast of Pinyon Flat. Dos Palmas immediately below. 1097 Comment
  SEINET3162251  Boechera perennans M. D. Windham 2004-3-31 2952 Riverside ENE of Anza along CA 371 on slope above Hamilton Creek ca. 6.32 km SSE of Tool Box Spring. 1268 Comment
  UCR137642  Boerhavia erecta var. intermedia T. L. Ackerman, V. Mathews 1982-8-30 82 420 Riverside Santa Rosa Mountains, Gate at Highway 74 and Benchmark Lucky (Agave Hill) 793 Comment
  SEINET3142563  Boerhavia triquetra var. intermedia M. Denslow 2003-9-13 1549 Riverside Colorado Desert; Western Colorado Desert region: Shavers Valley; I-10 at Mecca Exit, Box Springs Road. (Cottonwood Spring Squad) Comment
  UCR245996  Boerhavia wrightii Duncan S. Bell, Aaron Sedgwick 2012-9-13 4209 A Riverside Sonoran (Colorado) Desert, Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, c. 5 air mi northeast of the junction of Box Canyon Road and the Coachella Canal or c. 1.25 air mi southwest of Shavers Well 240 Comment
  SDSU13640  Bolboschoenus maritimus subsp. paludosus W. Miller 1972-8-24 Riverside Comment
  JOTR37742  Bothriochloa barbinodis Hodges, Stephen, Cody Fogg and Kelsey Bosch 2015-10-5 538 Riverside near the pink house, Barker Dam vicinity 1236 Comment
  UCR23964  Bothriochloa barbinodis John C. Roos 1946-9-14 3027 Riverside Santa Rosa Mtns, E of Pinyon Flats 1159 Comment
  RSA28079  Bouteloua aristidoides I. L. Wiggins 1941-3-27 9677 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA778395  Bouteloua barbata Amber Swanson, Linda Jean Foster 2011-10-8 640 Riverside Large wash off Blythe Rice Rd 270 Comment
  UCR227593  Bouteloua barbata Duncan S. Bell, Joy England 2010-10-5 1976 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.75 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1387 Comment
  JOTR30752  Bouteloua barbata var. barbata La Doux, Tasha, Jim Andre 2007-9-6 135 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  CHSC109259  Bowlesia incana Scott D. White; Justin M. Hood 2008-7-9 12423 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1402 Comment
  POM16502  Boykinia rotundifolia H. Baer 1923-6-24 s.n. Riverside Lee Lake, Temescal Canyon. Comment
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Jul 14 2012
  JOTR36016  Brandegea bigelovii Harding, Mitzi, T. Herskovits 2012-3-16 223 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA758319  Brandegea bigelovii Doug Goldman 2005-3-3 3022 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UC1022805  Brandegea bigelovii Philip A. Munz 1940-3-23 15674 Riverside s of Pinto Mountains (road Dale to Cottonwood Springs); Cottonwood Springs 609 Comment
  UCR108393  Brassica geniculata D. L. Banks, V. W. Steinmann 1997-3-13 1466 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR94241  Brassica geniculata Scott D. White 1996-4-14 3906 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
  UCR211714  Brassica kaber Fred M. Roberts, D. E. Bramlet, Kerry Byrne 2006-4-20 6320 Riverside Perris Basin, Upper Salt Creek watershed, southwest of Hemet, 2 km southeast of Winchester, south of Domenigoni Parkway 448 Comment
  UC10285  Brassica nigra H. M. Hall Jun 1 1901-Jul 1 1901 2282 Riverside in the vicinity of Strawberry Valley (San Jacinto Mountains, around camps); San Jacinto Mountains 1584 Comment
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Sep 20 2011
  CLARK-A1703-1190  Brassica tournefortii Charles S. Papp 1964-5-22 468 Riverside Riverside Comment
  SFV6318  Brassica tournefortii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 33 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  UC1922491  Brassica tournefortii Scott D. White 2005-3-29 10826 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. Comment
  UCD114636  Brassica tournefortii A. C. Sanders 1988-1-18 7588 Riverside Riverside. W end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak. Comment
  UCR166003  Brassica tournefortii Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR85240  Brassica tournefortii A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al. 1995-3-5 15997 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UC667247  Brickellia atractyloides Annie M. Alexander and Louise Kellogg 1941-5-10 2145 Riverside 3 mi ne Cottonwood Spring; Colorado Desert, Eagle Mountains 1036 Comment
  CLARK-A1528-1664  Brickellia desertorum John C. Roos 1949-9-17 4662 Riverside Whitewater Canyon 609 Comment
  CLARK-A1528-2039  Brickellia desertorum John C. Roos 1950-9-30 4994 Riverside Box Springs Mountains 457 Comment
  POM229413  Brickellia desertorum Noel Wallace 1937-1 45 Riverside Indian Canyon, Box Springs Mts. Comment
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Sep 7 2011
  SD68963  Brodiaea filifolia Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37586 Riverside Santa Rosa Plateau, vernally moist, grassy margin of vernal marsh on Mesa de Colorado, Rancho California. 671 Comment
  SD237263  Bromus berteroanus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-4-2 37749 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona Lake, .5 mi. NE of Temescal Canyon Rd. where it goes under I-15. 404 Comment
  UCR125474  Bromus carinatus A. C. Sanders 2003-4-6 25945 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  SDSU13675  Bromus hordeaceus Jutta Buschbom 1991-9-6 4 Riverside SE-Slope, N-Border of the Reserve, beyond an avocado-grove, ca. 500 m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve. Comment
  JOTR37493  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-4-6 622 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon Comment
  RSA326154  Bromus orcuttianus var. hallii John F. Emmel 1981-5-25 771 Riverside San Jacinto Mountains; Idyllwild along Southgate Circle Drive ca. 1 mile from Highway 243. 1677 Comment
  CLARK-A1528-4555  Bromus rubens John C. Roos, Lucille Roos 1950-4-15 4739 Riverside Pigeon Pass 457 Comment
  POM112726  Bromus rubens Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA652809  Bromus rubens Colleen Callan 1992-4-25 20 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1249 Comment
  SDSU17477  Bromus rubens Jerry Jenkins 2001-3-30 2001 -001 Riverside Santa Margarita Ecological Reserve. Roads and fields near station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  RSA651763  Bromus rubens C. A. Schideler 1981-4-11 14 Riverside Lake Mathews, El Cerrito, east on Cajalco Road, 6 miles east of Corona, 0.5 mile west of Pacific Clay Comp., mil. 52086.2. Comment
  RSA613628  Bromus tectorum D. L. Banks, Victor Steinmann 1997-3-13 1489 Riverside Agua Tibia Mountains: Vail Lake area, north and just S 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
  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
  JOTR30313  Bromus trinii La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1746 Riverside Joshua Tree National Park. Stop # 3 Northwest end of Eagle Mountains, near road leading to Cottonwood Canyon. 898 Comment
  RSA124111  Caesalpinia virgata Percy C. Everett, E. K. Balls 1958-4-29 22958 Riverside U.S. Hwy 60/70, Indio to Blythe, 5 mi. E from jct. with U.S. Hwy 99 122 Comment
  UC51609  Caesalpinia virgata Jos. Burtt Davy 1902-3-25 7936 Riverside Indio Comment
  RSA614701  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 1997-3-5 1337 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  UCR116455  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2001-3-30 23874 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  CLARK-A1528-3937  Calandrinia ciliata var. menziesii Cameron Duncan 1966-3-9 Riverside 213 Comment
  RSA667102  Callisia repens A. C. Sanders, O. F. Clarke, Susan Sims 2001-11-28 24889 Riverside San Bernardino Valley Region: between Pedley & Mira Loma, Sims property at NE corner of Limonite Av. & Bain St. 210 Comment
  CAS-BOT-BC85770  Calocedrus decurrens Winifern W. Swarth 1914-9-8 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  SD82892  Calocedrus decurrens Larry E. De Buhr 1972-2-25 500 Riverside Santa Rosa Mountains, along forest Road 7S02 above Cedar Springs 2345 Comment
  UCR107787  Calocedrus decurrens D. L. Banks 1997-5-5 1960 Riverside NW Palomar Mountains, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  RSA377347  Calochortus concolor N. C. Cooper 1944-7-15 1565 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  UC3384  Calochortus concolor H. M. Hall Jun 1901 2103 Riverside e base San Jacinto Mts. (along the borders of the Colorado Desert); Colorado Desert, San Jacinto Mts. Comment
  CAS-BOT-BC483415  Calochortus invenustus Mary F. Spencer 1919-6-20 1353 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  RSA0066239  Calochortus invenustus Anstruther Davidson 1876-07 s.n. Riverside Strawberry Valley. 1219 Comment
  RSA580942  Calochortus plummerae D. E. Bramlet 1994-6-16 2385 Riverside Lake Skinner County Park: in Tucalota hills area. Alongside existing equestrian trail, S of existing access road (BM 1487). 494 Comment
  RSA0120466  Calochortus splendens Duncan S. Bell 2016-4-16 9321 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA633887  Calochortus splendens Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38128 Riverside San Jacinto Mountains: San Bernardino National Forest. Woods above James Reserve. 1676 Comment
  RSA680491  Calochortus weedii var. weedii Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9594 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR2071  Calycoseris parryi J. Texera 1970-3-27 13 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  SBBG7844  Calycoseris wrightii T. L. Secrest 1948-4-7 Riverside ca. 5 mi below Whitewater Comment
  RSA0117828  Calyptridium monandrum Sarah J. J. De Groot, Grace Cho 2016-4-4 7770 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road between Haystack and Asbestos Mountains. 1233 Comment
  SBBG101777  Calyptridium monandrum S. Boyd, T. Ross, M. Hammitt 1991-5-2 6041 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
  SBBG35571  Calyptridium monandrum D. Myrick 1966-4-2 1331 Riverside upper end of Aqueduct Rd ca. 10 mi SE of Desert Hot Springs Comment
  UCR220119  Calyptridium monandrum D. E. Bramlet 1989-4-7 1819 A Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  UCR16647  Calyptridium monospermum Pam Maynard 1974-5-26 s.n. Riverside San Jacinto Mtns., Idyllwild, Humber Park trail 2744 Comment
  UCR100437  Calystegia macrostegia B. G. Pitzer 1997-4-20 3200 Riverside Lakeview Mtns, Pulsar View Road, c. 1/2 mi. up from the base of the hills (at end of Warren St.) c. 1 mi. (air) north of Juniper Flats (Contour) Rd. 549 Comment
  UCR252228  Calystegia macrostegia Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  UCR1645  Calystegia macrostegia subsp. longiloba William G. Truesdell 1962-4-20 42062 5 Riverside 10 mi south of Hemet on Hwy 79 610 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
  RSA465946  Camissonia bistorta M. B. Dunkle 1934-3-18 3855 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA136654  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11749 Riverside Colorado Desert. Alluvial fan along US Highway 95, 16.1 miles north of Blythe. Comment
  RSA98736  Camissonia brevipes subsp. brevipes P. A. Munz 1926-1-31 9973 Riverside Dos Palmos [Palmas] Spring. Comment
  UCR6057  Camissonia brevipes subsp. brevipes Steve Stadler 1966-2-27 22766- 18 Riverside Sonoran (Colorado) Desert, c. 2.9 mi. west of Chiriaco Summit, frontage road 1 mile from Desert Center to Indio Road & Joshua Tree Monument to Mecca Road 488 Comment
  RSA744302  Camissonia cardiophylla M. Wall 2009-4-5 502 Riverside Plants in Ladder and Painted Canyons east of Mecca. 231 Comment
  UCR60774  Camissonia cardiophylla Steve Boyd, Orlando Mistretta 1986-3-13 1476 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  JOTR29345  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1422 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  UCR217795  Camissonia chamaenerioides Jim Andre, T. La Doux 2010-2-28 12560 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR108718  Camissonia claviformis Scott D. White, Pam DeVries 1998-2-9 6079 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  RSA448923  Camissonia claviformis subsp. aurantiaca F. R. Fosberg 1932-3-13 8096 Riverside Thousand Palm Canyon, Coachella Valley Comment
  JOTR28886  Camissonia claviformis subsp. claviformis La Doux, Tasha 2004-2-24 1121 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA0024812  Camissonia claviformis subsp. peirsonii Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4465 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA186751  Camissonia hirtella Peter H. Raven 1962-4-28 17489 Riverside Ortega Highway 3.9 miles above its east base, Santa Ana Mountains 732 Comment
  UCR104084  Camissonia hirtella A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20635 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
  UCR280966  Camissonia hirtella Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 36 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR90367  Camissonia hirtella Scott D. White 1995-6-30 3421 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR17932  Camissonia pallida A. C. Sanders 1976-4-20 00461 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  SEINET12189026  Camissonia pallida J. F. Bright, Wyman, C. 1933-1 8044 Riverside Comment
  RSA339311  Camissonia pallida subsp. pallida Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge. 1980-4-16 54050 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA72280  Camissonia refracta Robert L. Dressler 1949-3-19 422 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
  UCR148294  Camissonia refracta John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  UCR29257  Camissonia refracta George K. Helmkamp 1983-3-24 383- 2 Riverside Chuckwalla Mtns, E base of the Mtns at Graham Pass Road 427 Comment
  POM13205  Camissonia strigulosa P. A. Munz, I. M. Johnston 1922-5-20 5466 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  RSA485410  Camissonia strigulosa Steve Boyd 1987-4-5 1967 Riverside Gavilan Hills - Harford Spring County Park in sandy valley at N end of park. 610 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
  RSA731013  Camissonia strigulosa M. Wall 2008-4-4 448 Riverside San Jacinto Valley, Bautista Creek SE of Hemet, off Bautista Rd. ca. 8.0 miles SE of junction with Fairview Avenue. 778 Comment
  OBI42569  Camissoniopsis confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mts, upper part of the trl toward Spitler Peak from the Hurkey Crk camp to Bonita Vista Rd 1829 Comment
  SDSU3355  Camissoniopsis confusa H. Wedberg 1958-5-17 303 Riverside 7.4 miles from Banning on road to Idyllwild. Comment
  UCR174564  Camissoniopsis hirtella Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 342 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UC1922490  Camissoniopsis pallida Scott D. White 2005-3-29 10848 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. Comment
  UCR260848  Camissoniopsis pallida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41414 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR261414  Camissoniopsis pallida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41439 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  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
  SD217249  Cardamine californica Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6636 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
  UC1931229  Carex athrostachya Scott D. White, Justin Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. (Idyllwild) Comment
  UC1930096  Carex praegracilis Scott D. White, Justin Wood 2008-6-5 12089 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  RSA192147  Carex schottii H. A. Zuill 1966-4-1 111 Riverside About 10 miles WSW of Murrieta, Tenaja Canyon,. Comment
  RSA424898B  Carex senta N. M. Fellows, A. C. Sanders 1985-5-7 191 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village. 488 Comment
  POM259176  Carex subfusca Phillip A. Munz 1938-8-13 15322 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  RSA180457  Carex triquetra E. W. Lathrop 1965-5-9 5736 Riverside 6 miles W of Murrieta. Comment
  RSA422123  Castela emoryi Anstruther Davidson s.n. Riverside Between Shaver's Well and Desert Center. Comment
  UCR174425  Castilleja affinis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32481 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
  UCR35223  Castilleja densiflora subsp. gracilis L. B. Ziegler 1969-5-19 358 Riverside San Jacinto Mtns, Hemet Valley. Lower hills near the old Kenworthy [Ranger Station] District 1433 Comment
  UC886552  Castilleja exserta P. A. Munz and I. M. Johnston 1922-5-19 5444 Riverside 2 mi below Kenworthy; San Jacinto Mts. 1402 Comment
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Mar 25 2011
  UCR75538  Castilleja exserta A. C. Sanders 1993-5-12 13997 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  RSA0010929  Castilleja exserta subsp. exserta P. A. Munz, I. M. Johnston 1922-5-19 5444 Riverside Kenworthy, San Jacinto Mts. 1372 Comment
  RSA0010934  Castilleja exserta subsp. exserta Tamara Joy Hanna 1991-5-19 44 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 miles from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  UC1012297  Castilleja foliolosa F. W. Pennell and A. L. Grant 1940-4-28 25280 Riverside e of Hemet (Route 74) 548 Comment
  JEPS8830  Castilleja minor subsp. spiralis W. L. Jepson May 17 1901-Jun 1 1901 1369 Riverside Palm Canyon and return to Van Deventer's Flat; San Jacinto Mts. Comment
  UC885439  Castilleja minor subsp. spiralis P. A. Munz 1922-6-23 5767 Riverside Keen Camp; San Jacinto Mts. 1524 Comment
  UCR91479  Caucalis microcarpa Scott D. White, Marty Jacobsmeyer 1996-4-20 3950 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  SBBG87798  Caulanthus cooperi A. C. Sanders, B. Pitzer, D. Charlton 1986-3-2 6052 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns, on Bradshaw Rd, ca. 2 mi E of gasline rd; T7S, R15E, S30 640 Comment
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Jun 1 2011
  CAS-BOT-BC41139  Caulanthus heterophyllus D. E. Bramlet 1991-5-14 2150 Riverside Perris-Aguanga basin region. North Domenigoni Hills, ca. 0.5 mile southeast of end of Warren Road. 655 Comment
  RSA746820  Caulanthus heterophyllus Michael Honer 2003-4-16 1832 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
  UCR97496  Caulanthus heterophyllus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19879 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCR120846  Caulanthus lasiophyllus var. rigidus D. E. Bramlet 1999-4-18 2736 Riverside Gavilan Hills, Lake Mathews-Estelle Mtn. Reserve, Cajalco Bend area, 107 m south of Cajalco Rd. and 1.37 km west of Lake Mathews Dr. 341 Comment
  UC64881  Caulanthus simulans H. M. Hall Apr. 1902 2908 Riverside vicinity Winchester; vicinity of Winchester Comment
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Mar 20 2011
  UCR35190  Caulanthus simulans L. B. Ziegler 1969-4-2 341 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  UCR7737  Caulanthus simulans Frances McKinley 1968-5-4 680405 4 Riverside San Jacinto Mtns., slope 2.8 mi up Banning-Idylwild Road on S side 915 Comment
  RSA523500  Ceanothus crassifolius Steve Boyd 1990-3-30 3960 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA570225  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7894 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 Road, 610 Comment
  SDSU10288  Ceanothus crassifolius A. H. Gallup 1947-10-30 77 Riverside 3.0 miles N of Rainbow. 732 Comment
  UCR163217  Ceanothus crassifolius T. B. Salvato, Kelly Volansky 2003-3-27 132 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  SEINET5339270  Ceanothus cuneatus H. M. Hall 1897-7-3 s.n. Riverside Vicinity of Riverside, CA 610 Comment
  RSA757806  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2008-4-27 DOB 982 c Riverside Tucalota Creek watershed, roadside on Sage Road (County Road R3), 0.6 road miles south of intersection with East Benton Road, near intersection ith Debby Lane, 15.8 km 338 degrees true north-northwest of Aguanga. 730 Comment
  POM85877  Ceanothus greggii var. perplexans Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA289813  Ceanothus greggii var. perplexans Barry A. Prigge 1980-8-12 3924 Riverside San Bernardino Mountains, Whitewater Canyon: 1.5 miles upstream from trout farm. 808 Comment
  UC18386  Ceanothus greggii var. perplexans H. M. Hall May 26-29 1899 Riverside from Kenworthy to Oak Grove; Smith Mountain and San Jacinto Mountains Comment
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Nov 13 2006
  UC1922183  Ceanothus greggii var. perplexans Naomi Fraga, Tim Thibault 2006-5-16 1669 Riverside Peninsular Ranges; San Jacinto Mountains region; ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  UC729545  Ceanothus greggii var. perplexans Carl B. Wolf 1932-5-24 3655 Riverside N base of San Jacinto Mountains, Snow Creek Canyon, 1 mi above fish hatchery 792 Comment
  POM49159  Ceanothus leucodermis P. A. Munz 1924-5-18 8144 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA82948  Ceanothus leucodermis R. M. Straw 1953-6-5 450 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  CAS-BOT-BC63565  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1935-6-18 7194 Riverside Santa Ana Mts., main divide motorway to Santiago Pk., 1 mi. from Ortega Highway. 731 Comment
  RSA496739  Ceanothus oliganthus var. sorediatus Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  CAS-BOT-BC51646  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-28 7913 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 883 Comment
  RSA557733  Ceanothus ophiochilus Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7169 A Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  UCR89466  Ceanothus ophiochilus Steve Boyd, K. A. Boyd 1993-3-28 7918 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  UCR35173  Ceanothus perplexans L. B. Ziegler 1969-4-21 349 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  RSA561075  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UC1071421  Ceanothus tomentosus R. St. John 1930-3-27 110 Riverside Badlands Elsinore Quad., Badlands (Plot 28). Comment
  RSA528071  Ceanothus tomentosus var. olivaceus Scott D. White 1991-4-10 91 -44 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road. 610 Comment
  RSA6118  Celtis reticulata Carl B. Wolf 1932-5-25 3686 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
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Mar 13 2011
  UC1100197  Cenchrus longispinus Malcolm A. Nobs and S. Galen Smith 1948-9-3 493 Riverside 2 mi n Indio; Imperial Valley Comment
  SDSU12917  Centaurea melitensis Jutta Buschbom 1991-6-1 13 Riverside SE - slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500 m (15 min) NW from the field station Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR280836  Centaurea melitensis T. B. Salvato, Gregg Miller 2005-6-3 1370 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UC1929298  Centaurea solstitialis Scott D. White, Justin Wood 2008-5-29 12043 Riverside Beaumont Badlands; West of Beaumont, near SR-60 crossing over San Timoteo Creek. Comment
  RSA391499  Centaurium venustum N. C. Cooper 1947-4-5 2096 Riverside Los Alamos Canyon, [Lake] Elsinore. 762 Comment
  SD154107  Centromadia pungens subsp. laevis B. L. Jones 2003-5-29 Riverside Lake Elsinore area, just north of intersection of Corydon Road and Grand Road Comment
  UC73920  Centromadia pungens subsp. laevis Geo. R. Hall 1905-9-3 Riverside Comment
  RSA735900  Centromadia pungens subsp. pungens Scott D. White, Justin M. Wood 2008-6-3 12057 Riverside Perris Basin: March ARB. Comment
  RSA543837  Cerastium glomeratum Steve Boyd, Orlando Mistretta 1991-5-22 6288 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR158935  Ceratonia siliqua Steve Morgan 2005-8-5 s.n. Riverside Riverside: UCR Botanical Garden, Grid Cell P-4 in Australian section 396 Comment
  RSA11596  Cercidium floridum C. Epling, Wm. Robison 1933-6-24 s.n Riverside Collected near Indio. Comment
  JEPS45709  Cercidium floridum subsp. floridum W. L. Jepson 1912-10-28 5239 Riverside Colorado River Riverside Mts. (mesa) Comment
  CAS-BOT-BC135452  Cercocarpus betuloides var. betuloides H. E. McMinn 1925-7-2 1510 Riverside Tahquitz Trail to Tahquitz Pk. - San Jacinto Mts. Comment
  SDSU12978  Cercocarpus minutiflorus Michael G. Simpson 1999-10-27 2035 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR47055  Chaenactis artemisiifolia B. G. Pitzer, A. C. Sanders 1987-4-21 499 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  UCR256344  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  JEPS20786  Chaenactis carphoclinia var. carphoclinia Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13256 Riverside 2.3 mi above Midland P.O.; Little Maria Mts. Comment
  RSA124288  Chaenactis carphoclinia var. carphoclinia E. K. Balls, Percy C. Everett 1958-3-20 22938 Riverside south base of Eagle Mountains. US Highway 60/70. 365 Comment
  UC565569  Chaenactis carphoclinia var. carphoclinia Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon Comment
  UCR245228  Chaenactis carphoclinia var. carphoclinia Jim Andre 2012-3-19 21312 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  RSA93827  Chaenactis carphoclinia var. carphoclinia F. W. Peirson 1926-2-22 6504 Riverside Thousand-Palms Canyon. 152 Comment
  CAS-BOT-BC276904  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles N of Cottonwood Springs, Eagle Mountains 914 Comment
  JEPS30923  Chaenactis fremontii Palmer Stockwell 1940-4-24 1505 Riverside 1 mi E of Banning Comment
  OBI51900  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside Alluvial Fan, S side of Little San Bernardino Mts. Dillon rd and 1000 Palms Oasis Rd jct S of Joshua Tree Natl Park, parallel to I-10. 5 mi E of jct Dillon rd and Fargo Cyn Rd 610 Comment
  POM351694  Chaenactis fremontii B. C. Templeton, I. W. Clokey 1930-4-9 s.n. Riverside North of Palm Springs. Colorado desert 400 Comment
  RSA182341  Chaenactis fremontii J. D. Olmsted 1962-5-1 3431 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto 945 Comment
  RSA774500  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4422 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
  SBBG89088  Chaenactis fremontii D. Charlton 1988-2-25 1225 Riverside Dillon Rd and 1000 Palms Oasis Rd jct, parallel to Interstate 10, ca. 5 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UCR272435  Chaenactis fremontii Cheryl Sevilla, Sarah J. De Groot 2015-3-16 019 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, plain to the east of Mission Creek, 0.4 mile northwest of the Stone House 2309 Comment
  UCR230767  Chaenactis glabriuscula A. C. Sanders 2010-4-7 37823 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
  UCR59522  Chaenactis glabriuscula Steve Boyd, T. Ross, L. Arnseth 1989-6-4 3608 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UCSB9504  Chaenactis glabriuscula Stoppel, Gordon 1958-5-17 Riverside Along Banning Idyllwild Highway about 10 miles S. E. of Banning Comment
  HSC87021  Chaenactis glabriuscula var. glabriuscula K. Harper 1988-5-14 Riverside San Jacinto Mtns.; road to the N of Castile Canyon Dr. at Poppet Fla, off Hwy. 243 Comment
  RSA388497  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UC55096  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3800 Riverside vicinity of Riverside 426 Comment
  UC894473  Chaenactis glabriuscula var. glabriuscula C. L. Hitchcock 1940-4-12 6038 Riverside 8 mi nw of Elsinore 457 Comment
  UCR103188  Chaenactis glabriuscula var. glabriuscula Scott D. White, Julie Greene 1997-3-12 4783 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  POM351800  Chaenactis parishii E. C. Jaeger 1922-6-29 s.n. Riverside Lower Tahquitz Valley 2043 Comment
  JOTR35310  Chaenactis stevioides Andre, Jim 2012-4-16 20974 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  RSA0026163  Chaenactis stevioides Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17709 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 6 kilometers ENE of north end of the Mule Mountains. Comment
  RSA0108934  Chaenactis stevioides Duncan S. Bell, Amanda Bell 2012-1-28 3076 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  SBBG54443  Chaenactis stevioides S. See 1958-3-29 196 Riverside Joshua Tree Nat Monument at Fried Liver Wash 548 Comment
  UCSB49  Chaenactis stevioides Bell, David 1969-3-31 Riverside River Bend Campground, along U.S. Highway 95, 15 miles north of Blythe, Mojave Desert 152 Comment
  RSA152512  Chaenactis stevioides var. stevioides R. C. Bacigalupi 1953-4-20 4039 Riverside Hwy 60-70, opposite Hayfield Dry Lake, 7 miles E of Shaver Summit. 442 Comment
  JOTR34149  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  RSA0042472  Chamaesyce polycarpa Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 62 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA576451  Chamaesyce polycarpa var. hirtella Marjorie D. Clary 1937-3-7 2785 Riverside Road to Fargo Canyon, Little San Bernardino Mts., north side of Colorado Desert; 244 Comment
  POM296326  Chamaesyce setiloba L. S. Rose 1946-12-23 46302 Riverside Cathedral Canyon Wash. 183 Comment
  SEINET9457538  Chamaesyce setiloba L. Harris 1928-6-28 113 Riverside Indio. Comment
  RSA301975  Cheilanthes covillei J. R. Shevock 1970-12-13 567 Riverside Cap Rock, Joshua Tree 1371 Comment
  RSA85548  Cheilanthes covillei F. W. Peirson 1928-11-30 8213 Riverside about 1 mile north of Cottonwood Spring, northeast of Mecca. Comment
  UC2015694  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Comment
  UCR214010  Cheilanthes newberryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37798 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR281108  Cheilanthes newberryi Mitch Provance, Jeremiah George 2017-3-21 317- 14 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  UCR90966  Cheilanthes newberryi Scott D. White 1996-3-23 3842 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  RSA678351  Cheilanthes parryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10466 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  CSUSB1591  Chenopodium album Deborah Sullivan 1973-7-4 Riverside Glen Avon Glen Avon 243 Comment
  RSA736658  Chenopodium ambrosioides Justin M. Wood 2008-7-16 28 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  RSA0114928  Chenopodium berlandieri Mitch Provance 2012-7-17 712 -16 Riverside Beaumont Plain: Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  UCR103221  Chenopodium berlandieri Scott D. White 1994-10-17 2464 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR242656  Chenopodium berlandieri A. C. Sanders 2013-7-7 40858 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on Saunders Meadow Road near the trash transfer station (dump), NE of hairpin turn in road 1610 Comment
  UCR278859  Chenopodium berlandieri Mitch Provance 2012-7-15 612- 68 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  UCR130849  Chenopodium botrys S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  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
  UCR167409  Chenopodium murale John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR232042  Chenopodium murale John F. Green 2008-4-15 0408- 05 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR41344  Chenopodium murale N. M. Fellows, A. C. Sanders 1985-4-9 159 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR163987  Chenopodium rubrum John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  UCR181628  Chenopodium strictum Mitch Provance 2003-6-7 7607 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  RSA455309  Chilopsis linearis Albert J. Perkins 1916-4-16 s.n. Riverside Palm Canyon. Comment
  SD234847  Chilopsis linearis A. C. Sanders 2008-7-25 35923 Riverside Interior South Coast; San Jacinto Valley; Gilman Springs Road at mouth of Massacre Canyon, 0.7 miles NW of Gilman Hot Springs (San Jacinto 7.5' Q) 466 Comment
  UCR178539  Chilopsis linearis R. G. Swinney 1967-5-26 146 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  UCR274213  Chilopsis linearis Duncan S. Bell, Evan Meyer 2014-10-29 7690 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  LA31362  Chilopsis linearis subsp. arcuata Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 179 Riverside Morongo Wash Comment
  RSA609746  Chilopsis linearis subsp. arcuata R. S. Woglum 1934-4-12 1354 Riverside Sonoran Desert: Mecca Canyon; Mecca Hills; North of Salton Sea. Comment
  CAS-BOT-BC474743  Chloris truncata R. E. Riefner, Jr. 2015-11-1 15 -429 Riverside City of Perris/Romoland area, Antelope Rd. at McLaughlin Rd. 452 Comment
  SEINET3004916  Chloris verticillata G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10334 Riverside Canal two miles north of Blythe. 70 Comment
  RSA727605  Chloris virgata R. E. Riefner 2006-9-19 06 -447 Riverside Peninsular Range: Temecula Valley, along I-15 Freeway near Temecula Creek. 301 Comment
  SEINET3926090  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. west of Blythe on the Mecca Road.; 0 400 Comment
  RSA727398  Chorizanthe brevicornu Naomi Fraga, Lisa Rojas 2005-2-10 1386 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UCR116844  Chorizanthe brevicornu Helen Kennedy, Fred R. Ganders 1980-4-15 4060 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 Comment
  JOTR35321  Chorizanthe brevicornu var. brevicornu Harding, Mitzi, Mark Wheeler 2012-2-28 89 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  POM250530  Chorizanthe brevicornu var. brevicornu I. W. Clokey 1935-4-17 6595 Riverside Cottonwood Springs. Comment
  RSA392615  Chorizanthe brevicornu var. brevicornu Christopher Davidson 1973-4-1 1847 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  UCR16539  Chorizanthe brevicornu var. brevicornu J. Texera 1970-3-27 05 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  CAS-BOT-BC191853  Chorizanthe corrugata Carl B. Wolf 1932-4-29 3096 Riverside Eastern Colorado Desert. W edge of Maria Mts. 17 mi from Blythe on Rice Road 152 Comment
  RSA282769  Chorizanthe fimbriata C. W. Tilforth 1979-6-27 1814 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta Comment
  UCR15524  Chorizanthe fimbriata var. fimbriata Robin L. Kobaly, G. K. Helmkamp, N. Burchett 1978-6-1 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro, south of Murrieta Comment
  UCR5916  Chorizanthe fimbriata var. fimbriata Dick Bernier 1966-5-12 s.n. Riverside Perris-Aguanga Basin Region, Paloma Valley near Bell Mtn., along Hwy 395 [215], c. 5 miles south of Hwy 74 turnoff to Hemet 457 Comment
  UCD99719  Chorizanthe fimbriata var. laciniata Geoffrey Levin 1975-4-5 495 Riverside Dripping Springs Forest Service Station, Cleveland Natl. Forest. 487 Comment
  CAS-BOT-BC191353  Chorizanthe leptotheca John Thomas Howell 1927-8-2 2926 Riverside top of Control on road to Hemet, Mt. San Jacinto 1371 Comment
  UCR19068  Chorizanthe leptotheca John C. Roos 1952-6-8 5748 Riverside Reche Canyon 549 Comment
  SD173059  Chorizanthe polygonoides var. longispina Patrick McConnell 2006-5-5 1 Riverside Lake Elsinore, Western Riverside County,approximately .3 km southwest of the intersection of Nichols and Coal Roads, in non-native grassland near small drainage 420 Comment
  UCR174157  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32605 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
  UCR260515  Chorizanthe polygonoides var. longispina T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7997 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
  UCR213548  Chorizanthe procumbens Michael Honer 2003-7-15 1844 Riverside Peninsular Range; Santa Ana Mtns., Rainbow area, just north of the San Diego Co. boundary and west of the I-15 Freeway 518 Comment
  UCR112107  Chorizanthe rigida A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23359 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  RSA746811  Chorizanthe staticoides Michael Honer 2003-7-15 1847 Riverside Rainbow area, just north of the San Diego County boundary and west of the I-15 Freeway. 366 Comment
  SEINET3087441 Image available Chorizanthe xanti B. Pitzer 1986-4-26 190 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (Whitewater 7.5' quad). 732 Comment
  UCR27545  Chorizanthe xanti John C. Roos 1948-5-8 3827 Riverside San Bernardino Mtns, Whitewater 579 Comment
  RSA0004914  Chorizanthe xanti var. leucotheca Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 305 Comment
  RSA628203  Chorizanthe xanti var. leucotheca A. C. Sanders 1994-5-29 14577 Riverside East Branch Millard Canyon, along Forest Service Road 4S45. 1200 Comment
  RSA763414  Chorizanthe xanti var. leucotheca Justin M. Wood 2009-5-11 688 Riverside [San Jacinto Mountains:] Garner Valley, Quinn Flat area. 1372 Comment
  SBBG61608  Chrysolepis sempervirens R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns 2438 Comment
  POM352020  Chrysothamnus paniculatus E. Crow 1928-11-12 88 Riverside Morongo Pass, Colorado Desert Comment
  RSA340178  Chrysothamnus paniculatus R. F. Thorne, C. W. Tilforth 1980-5-28 54189 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  UCSB4394  Chylismia brevipes Long, Frances 1939-12-31 Riverside Salton Sea Comment
  SDSU21592  Chylismia claviformis Duncan S. Bell 2010-5-1 889 Riverside Arica Mountains: northwest section of project area, ca. 10.5 air miles southwest of the ghost town of Rice, and ca. 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  CAS-BOT-BC160625  Chylismia claviformis subsp. aurantiaca Munz; Street; Williams 1919-3-26 2339 Riverside Mecca, Oasis-date-ranch 45 Comment
  GMDRC9795  Chylismia claviformis subsp. aurantiaca J. M. Andre 2017-3-1 37997 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  SEINET959099  Circaea alpina G. K. Helmkamp, E. A. Helmkamp 2005-1 6877 Riverside Northern Sierra Nevada foothills: Silver Fork, 2.1 mi. west of Kyburz along US highway 50 (Kyburz 7.5Q) 1204 Comment
  CLARK-A1703-1185  Cirsium occidentale Charles S. Papp 1965-6-13 856 Riverside San Jacinto 914 Comment
  POM352169  Cirsium occidentale var. californicum Norman C. Cooper 1949-6-1 3997 Riverside Elsinore. 457 Comment
  UCR136249  Cirsium occidentale var. californicum A. C. Sanders 2004-4-20 27573 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  CAS-BOT-BC285634  Cirsium occidentale var. occidentale John Thomas Howell 1930-5-11 4865 Riverside Temescal Canyon, 1 mile south of Alberhill Comment
  SD227734  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mts. Vista Grande area: Just W of USFS Vista Grande Fire Station (i.e., Hwy 243 ca. 10 road miles SE of Banning). 1500 Comment
  CAS-BOT-BC438854  Cistanthe monandra H. M. Hall 1904-5-16 4944 Riverside Vicinity of Riverside. Fairmount Park. 243 Comment
  RSA612824  Cistanthe monandra D. L. Banks 1997-3-1 1345 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  CAS-BOT-BC438967  Cistanthe monosperma Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  UCR35207  Clarkia dudleyana L. B. Ziegler 1972-6-5 472 Riverside San Jacinto Mtns., canyon at lower end of Poppet Flats. 1067 Comment
  UCR260832  Clarkia epilobioides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41529 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  RSA678934  Clarkia purpurea subsp. quadrivulnera Scott D. White, Michael Honer 2003-6-3 9477 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR23236  Clarkia rhomboidea J. C. Lyman 1981-6-6 s.n. Riverside San Jacinto Mtns., Saunders Meadow Road, Idyllwild, near Desert Sun School stables 1677 Comment
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Apr 29 2011
  RSA33630  Clematis lasiantha Robert L. Rutherford 1945-6-17 1669 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR16946  Clematis ligusticifolia Helen Leach 1966-11-1 c661101- 2 Riverside Pedley Rd., City of Mira Loma Comment
  RSA6085  Clematis pauciflora Carl B. Wolf 1932-5-25 3668 Riverside Snow Creek N base San Jacinto Mountains, just above the Fish Hatchery 640 Comment
  RSA735926  Clematis pauciflora Scott D. White, Justin M. Wood 2008-5-29 12044 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UC1333278  Clematis pauciflora Charles B. Fiker 1947-4-26 3797 Riverside Dripping Springs Guard Station area Comment
  RSA0020488  Clematis pauciflora W. Hutchinson 1926-4-1 s.n. Riverside Palm Springs. Comment
  RSA440806  Cleome isomeris C. Cunningham 1941-2-9 s.n. Riverside 29 Palms Junction. 366 Comment
  RSA721127  Cnicus benedictus Elisabeth Norland 1929-5-10 s.n. Riverside Lake Elsinore 1/8 mi. from Lake along roadside. Comment
  UC26586  Collinsia concolor H. M. Hall Jun 1901 2025 Riverside San Jacinto Mtns 1371 Comment
  UCR281529  Collinsia concolor Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 90 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  UCR4111  Collinsia concolor Ronald M. Cope 1965-8-3 s.n. Riverside Riverside, canyon 0.5 mi east of a point on Canyon Crest Drive 1.5 mi south of Fire Prevention Laboratory 335 Comment
  UCR4245  Collinsia concolor K. S. Gill 1965-3-28 047 Riverside Riverside, 1 mi north of corner of Wood and Roberts Roads in Woodcrest. south of Riverside at margin of Gavilan Hills 549 Comment
  RSA0117438  Collinsia concolor G. R. Campbell 1951-5-30 16137 Riverside 9 miles west of Anza. 1067 Comment
  UCR100821  Collinsia heterophylla G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  SEINET270111 Image available Collinsia parryi Steve Boyd, Orlando Mistretta 1992-4-23 7072 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains along San Mateo Creek from Riverside County Line following San Mateo Trail upstream to th 244 Comment
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Aug 24 2013
  UCR168612  Collomia grandiflora T. B. Salvato, John F. Green 2004-5-27 578 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
  UCR75070  Colubrina californica A. C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR78052  Commelina benghalensis M. R. Duvall 1992-6-19 199206 3 Riverside U.C. Riverside Campus just off 'Picnic Hill'. Roadway island east of Entomology building. Comment
  UCD112186  Condalia globosa var. pubescens Robert Cowell 1959-5-4 s.n. Riverside North of the Bradshaw Stage Road, 0.75 mile east of the Imperial Gas Line Road, between Chocolate and Chuckwalla Mountains. Comment
  RSA394802  Convolvulus arvensis Luther A. Rice 1891-6-1 s.n. Riverside Near Riverside Comment
  RSA588187  Conyza bonariensis D. L. Banks, Victor Steinmann 1995-7-10 0752 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  RSA741569  Conyza floribunda Justin M. Wood 2008-9-22 162 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM12407  Cordylanthus nevinii Philip A. Munz 1922-9-7 6408 Riverside Zigzag on trail to Hidden Lake. 2348 Comment
  UCSB26204  Cordylanthus rigidus subsp. rigidus Gliessman, Stephen 1968-7-24 Riverside West side of Morris Ranch Road, 0.4 miles north of junction with Highway 74, hills north of Hemet Valley 1402 Comment
  RSA0011002  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1623 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  POM355977  Coreopsis californica Norman C. Cooper 1944-3-25 1024 Riverside Cabazon. 457 Comment
  POM8240  Coreopsis californica P. A. Munz, R. D. Harwood 1920-3-20 3385 Riverside Temescal Canyon. 366 Comment
  RSA585647  Coreopsis californica var. californica D. L. Banks, Steve Boyd 1995-3-16 0083 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. 506 Comment
  UC1608247  Coreopsis californica var. californica Steve Boyd, Tim Ross, and Orlando Mistretta 1992-2-26 6701 Riverside on broad sandy bench near coordinates given Santa Ana Mountains, San Mateo Cyn. Wilderness Area (San Mateo Cyn from Fisherman's Camp downstream to confluence with Bluewater Cyn. T7S R5W sec.28-29) 304 Comment
  CAS-BOT-BC101302  Corethrogyne filaginifolia I. W. Clokey; E. G. Anderson 1935-8-21 6963 Riverside East of Keen Camp P.O. 1350 Comment
  CAS-BOT-BC101305  Corethrogyne filaginifolia John Thomas Howell 1927-8-2 2917 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  POM10303  Corethrogyne filaginifolia F. M. Reed 1907-10-20 1980 Riverside Columbia Ave, near Spanishtown Road Comment
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Nov 30 2009
  SBBG45021  Corethrogyne filaginifolia I. W. Clokey with E. G. Anderson 1935-8-21 Riverside Keen Public Cmpgrd 1950 Comment
  SD255088  Corethrogyne filaginifolia Duncan S. Bell, Sandra Llamas and Koto Tikande 2015-7-16 8578 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UC101086  Corethrogyne filaginifolia M. F. Gilman 34 Riverside Banning Comment
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Mar 13 2011
  UCR251709  Coronopus didymus T. B. Salvato 2014-4-11 7849 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills, above an old horse track, c. 0.2 mi north of the junction of Temescal Canyon Road and Concordia Ranch Road 377 Comment
  SEINET3071319  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  UCR112563  Crassula A. C. Sanders 1998-3-11 21693 Riverside Shipley/Skinner Reserve area, Diamond Valley, along State Street (R3) c. 1/2 mi. north of Newport Rd., south of Hemet 488 Comment
  CAS-BOT-BC427917  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA614538  Crassula connata A. C. Sanders 1997-3-1 19706 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity, 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  RSA84912  Crassula connata F. W. Peirson 1920-2-16 1935 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  RSA653675  Cressa truxillensis A. C. Sanders, K. C. Rose 1999-6-18 22820 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  RSA2103  Crossosoma bigelovii C. B. Wolf 1929-3-3 1027 Riverside Millard Canyon, above Cabazon 183 Comment
Read comments
Mar 13 2011
  SBBG36716  Crossosoma bigelovii H. and M. Dearing 1939-11-12 4022 Riverside Morongo Cyn, Morongo Pass Comment
  LA204874  Croton californicus Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  UCR58717  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Peninsular Range, Temecula Gorge, N bank of Santa Margarita River at aqueduct crossing. 250 Comment
  RSA303502  Croton californicus var. mohavensis J. R. Shevock 1972-3-13 1402 Riverside Hwy 111, near Palm Springs 183 Comment
  SD181766  Crypsis schoenoides Scott D. White 2001-6-29 8632 A Riverside Menifee Valley, about 1.4 airmiles SW of the I-215/Newport Rd Interchange, NW of the intersection of Holland Rd & Bradley Rd; Romoland [quad]. Mostly waste area (soil stockpiles, flood control basin). At bottom of retention basin. 438 Comment
  UCR110388  Crypsis vaginiflora A. C. Sanders, Mitch Provance 1999-9-26 23081 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  SDSU5406  Cryptantha H. Wedberg 1962-4-20 909 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  RSA336130  Cryptantha angustifolia R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52041 Riverside Just E of Palm Desert. Comment
  SEINET4568268 Image available Cryptantha angustifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4593 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCD119593  Cryptantha angustifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas. 15 Comment
  UCR104004  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2652 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA775914  Cryptantha barbigera Duncan S. Bell, Amanda Turek 2010-4-10 816 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SBBG81634  Cryptantha barbigera S. A. Junak 1983-3-23 1615 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SBBG81692  Cryptantha barbigera S. A. Junak 1983-3-24 1659 A Riverside N side of Interstate 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  SBBG92252  Cryptantha barbigera D. F. Howe 1980-4-16 Riverside 8.5 mi S of Hwy 10 on Cornsprings Rd, Chuckwalla Mtns 550 Comment
  SEINET241490  Cryptantha barbigera A. C. Sanders, Mitch Provance; T. B. Salvato 2001-4-6 23949 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic, N of flood ditc 347 Comment
  SEINET3004965  Cryptantha barbigera G. Rink 2011-3-23 10389 Riverside Desert flats north of Blythe, east of the McCoy Mtns 109 Comment
  UC280426  Cryptantha barbigera E. E. Schellenger May 1920 Riverside Chuckawalla Bench Colorado Desert 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
  JOTR35152  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3264 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA777765  Cryptantha barbigera var. barbigera Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1086 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  UCSB18779  Cryptantha circumscissa Lean, Jr., Steve 1963-5-5 Riverside California Highway 74, 10. 2 miles SW of Palm Desert 883 Comment
  UCR258781  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7903 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
  UCR214407  Cryptantha costata A. C. Sanders, Richard Dwerlkotte 2010-3-22 37513 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. ESE (98 deg. ) of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 129 Comment
  UCR45198  Cryptantha costata A. C. Sanders 1986-5-10 6496 Riverside Western Colorado Desert, Coachella Valley, mouth of the Whitewater River, along the levee where the river crosses Lincoln St., 3 mi south of Mecca -70 Comment
  RSA0079094  Cryptantha cycloptera J. Andre, T. La Doux 2010-2-28 12559 Riverside Lower Colorado River Valley; along Hwy 94 approx. 25 miles north of Blythe, on east side of Big Maria Mountains. 83 Comment
  RSA0119885  Cryptantha decipiens Duncan S. Bell, Thomas Stoughton 2016-4-12 9219 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  SBBG53355  Cryptantha decipiens J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  CAS-BOT-BC218763  Cryptantha holoptera A. C. Sanders; T. B. Salvato 2000-5-16 23391 Riverside Colorado Desert: Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon; where large wash crosses under powerlines. 30 Comment
  UC573068  Cryptantha holoptera H. L. Mason 1928-3-10 4232 Riverside Hidden Springs Canyon Coachella Mountains Comment
  JEPS29317  Cryptantha intermedia Rimo Bacigalupi, and L. R. Heckard 1962-3-26 8413 Riverside 3.3 mi nw Alberhill (w-facing slopes near headwaters of Temescal Wash and Canyon, w base of Estelle Mountain and just opposite Indian Canyon (from w)); Estelle Mountain 304 Comment
  RSA650991  Cryptantha intermedia C. S. Papp 1965-6-13 848 Riverside Idyllwild. 1828 Comment
  UC78535  Cryptantha intermedia J. C. Nevin Riverside San Jacinto Mts. Comment
  UCR154393  Cryptantha intermedia A. C. Sanders, Mike Misenhelter 2005-6-15 30972 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
  UCR176908  Cryptantha intermedia Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR43176  Cryptantha intermedia B. G. Pitzer, Karen Kirtland 1986-5-6 0212 Riverside Peninsular Range, Butterfield Stage Ranch Development, hills on the north side of Pauba Valley in Rancho California area, 1 mi south of Buck Mesa, on the E side of Butterfield Stage Rd. 457 Comment
  UCR58484  Cryptantha intermedia 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
  UCR268582  Cryptantha intermedia var. intermedia Jim Andre 2012-6-15 30492 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
  RSA0124381  Cryptantha maritima Duncan S. Bell, LeRoy Gross 2016-3-31 9195 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  UC1514466  Cryptantha maritima Rimo Bacigalupi with Paul Hutchison 1958-2-19 6199 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  SEINET10456345  Cryptantha maritima David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3738 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA721898  Cryptantha maritima var. pilosa J. Mark Porter, Orlando Mistretta 2003-6-5 13606 -A Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  RSA543954  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-9 6185 b Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA717464  Cryptantha microstachys Scott D. White 2006-4-28 11318 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UC1114559  Cryptantha microstachys Peter H. Raven 1958-5-17 12949 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UCR162877  Cryptantha muricata T. B. Salvato, Kelly Volansky 2003-3-27 125 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR140935  Cryptantha nevadensis 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
  UCR52019  Cryptantha nevadensis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2138 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR52020  Cryptantha pterocarya var. cycloptera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2159 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA0079105  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2010-4-2 705 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness. Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  UCR116806  Cryptantha pterocarya var. pterocarya A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23936 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  CLARK-A1656-826  Cryptantha racemosa Jon Mark Stewart 1983-2-4 Riverside Palm Desert 365 Comment
  JEPS67814  Cryptantha racemosa W. L. Jepson 1927-4-12 11675 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  POM13261  Cryptantha racemosa E. C. Jaeger 1922-3-4 1109 Riverside Painted Canyon near Mecca. Comment
  RSA659692  Cryptantha racemosa J. C. Roos 1948-5-1 3815 Riverside Whitewater. 610 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
  SBBG35570  Cuscuta californica D. Myrick 1966-4-2 1330 Riverside Palms to Pines Hwy 74 ca. 3 mi W of Palm Desert Comment
  UCR113852  Cuscuta pentagona Mitch Provance, A. C. Sanders 2000-7-4 2105 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR263232  Cycloloma atriplicifolium A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41458 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UC172818  Cylindropuntia bigelovii S. R. Vasey Feb. 1881 Riverside White Water Comment
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Nov 29 2010
  SD248373  Cylindropuntia chuckwallensis Michelle Cloud-Hughes 2013-3-17 87 Riverside Corn Springs 7.5'Q USGS quad. Corn Springs, north side of Chuckwalla Mountains; 12 km SSE of Deesrt Center, 85 km east of Indio, 67 km W of Blythe. 500 Comment
  CAS-BOT-BC56744  Cylindropuntia ramosissima B. D. Stark 1932-6-15 3736 Riverside Field redacted by CAS, contact the data manager for more information 228 Comment
  SEINET3071826  Cylindropuntia ramosissima Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17508 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 498 Comment
  SEINET3004915  Cyperus G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10333 -b Riverside Canal two miles north of Blythe. 70 Comment
  UCR176767  Cyperus eragrostis G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  RSA522110  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3803 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA575850  Cyperus erythrorhizos Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain 329 Comment
  UCR188894  Cyperus erythrorhizos Fred M. Roberts, S. Leatherman 2007-9-19 6588 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA774929  Dalea mollis Duncan S. Bell 2011-4-7 2163 Riverside Northwest side of the Arica Mountains; just south of the Colorado River Aqueduct at the end of the Aqueduct access road. 283 Comment
  SEINET10452143  Dalea mollis Ernest J. Palmer 1946-2-22 Palmer 1957 Riverside Collected in mud flats dry and caked and split. All american cana catch basin From desert washes. Oracopia mts n east of the saltan sea. Very arid country. Comment
  RSA404178  Dalea mollissima Anstruther Davidson 1893-1 s.n Riverside Palm Springs Comment
  SEINET10452148  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2024 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  CLARK-A1656-794  Dalea schottii Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 853 Comment
  CAS-BOT-BC283040  Dasyochloa pulchella Lewis S. Rose 1936-12-26 36831 Riverside 22 mi. E. of Indio, Indio-Blythe Road 762 Comment
  RSA0106696  Dasyochloa pulchella Duncan S. Bell, Thomas Stoughton 2010-3-19 565 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  UCD65772  Dasyochloa pulchella Geoffrey Levin 1976-10-17 1179 Riverside Colorado Desert. Box Canyon, about 11 mi. east of Mecca. Mecca Hills Mt. Range. Salton Sea Basin. 91 Comment
  POM48728  Datisca glomerata P. A. Munz, I. M. Johnston 1924-7-29 8833 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA502504  Datisca glomerata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3564 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR92140  Datisca glomerata D. L. Banks, Steve Boyd 1995-5-3 0202 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UC1929900  Datura wrightii Scott D. White 2004-4-26 10245 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UCR35272  Datura wrightii L. B. Ziegler 1964-9-2 27 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  UCR94958  Datura wrightii Scott D. White 1996-9-22 4528 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  RSA0020085  Datura wrightii H. de Forest 1924-4-15 s.n. Riverside Tahquitz canyon. Comment
  UCR180143  Daucus pusillus Mitch Provance 2003-4-26 9900 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UC63254  Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside vicinity Riverside; Highgrove 365 Comment
  RSA0097761  Deinandra kelloggii Marc A. Baker, Danny Cuellar, Chris Taylor, Paul Roberge, Cecile Shohet, Youssef Atallah 2015-7-3 18376 Riverside 1.8 km south of San Timoteo Wash, 15 km SE of central San Bernardino, 35m south of the San Bernardino County line. 491 Comment
  RSA759101  Deinandra paniculata Robt Allen, Linnell R. Allen 2008-7-27 s.n. Riverside South Main Divide Road, 4.7 road mi. SE of junction with Ortega Hwy (SR74). Just S of the gated entrances to Rancho Capistrano housing developments. 938 Comment
  SD240868  Deinandra paniculata Jeremiah George 2011-7-18 Riverside Peninsular Range; Elsinore Trough: North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction. West side of riparian strip. 384 Comment
  UC9213  Delphinium H. M. Hall June 1901 2161 Riverside e base of mts along borders of Colorado Desert; San Jacinto Mountains Comment
  CLARK-A1528-3858  Delphinium parishii subsp. parishii John C. Roos 1937-4-18 1368 Riverside Cabazon Comment
  UCSB1980  Delphinium parishii subsp. parishii Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon; 2 miles from US 60 Comment
  LA207623  Delphinium parishii subsp. subglobosum Carl Epling; 1937-5-7 sn Riverside 1 mi. above Pinon Flats, Palms to Pines Hwy Comment
  UC9216  Delphinium parryi A. J. McClatchie April 1892 30 Riverside near Elsinore Comment
  RSA700102  Delphinium parryi subsp. parryi Virginia Moran 2003-5-23 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center fot Natural Lands Management. Section 33 of two that comprise mitigation bank. (Section 27 and 33). Accessed from Wilson Valley Road. Comment
  RSA400046  Delphinium patens subsp. hepaticoideum E. Crow 1929-3-17 194 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR79228  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  UCR176929  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-4-30 MOR- 70 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  UCR2316  Deschampsia elongata F. M. Reed 1928-7-15 6071 Riverside San Jacinto Mtns., Camp Emerson, Idyllwild 1524 Comment
  UC1931069  Descurainia adenophora Scott D. White, Justin Wood 2008-7-8 12386 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  POM13163  Descurainia obtusa subsp. adenophora P. A. Munz 1922-6-30 5906 Riverside Santa Rosa, Santa Rosa Mtns. About deserted Indian village. 1982 Comment
  RSA162710  Descurainia pinnata John Olmsted 1958-3-29 88 Riverside 24 miles N of Jct between Cottonwood Pass and Cottonwood Spring roads. On the former now become Pinto Basin Road, Joshua Tree National Monument. 991 Comment
  CAS-BOT-BC43356  Descurainia pinnata subsp. glabra J. H. Thomas 1949-2-28 58 Riverside Southern part of Palm Springs. Comment
  RSA799237  Descurainia pinnata subsp. glabra Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 745 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  UCR59506  Descurainia sophia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3243 Riverside Peninsular Range, Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 488 Comment
  UCR19416  Dicentra chrysantha C. S. Papp 1965-6-13 841 Riverside San Jacinto Mtns, Idyllwild 1829 Comment
  UCR174364  Dichelostemma capitatum A. C. Sanders 2006-5-19 32409 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
  POM214403  Dichelostemma capitatum subsp. pauciflorum Donald A. Johansen, Joseph A. Ewan 1932-4-11 7065 Riverside Mouth of Tahquitz Canyon Comment
  CLARK-A1528-10  Dichelostemma pulchellum 1952-2-29 Riverside San Jacinto Mountains Comment
  POM356427  Dicoria canescens C. S. wasters 1909-6-20 s.n. Riverside Palm Springs. Comment
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Oct 10 2009
  RSA431199  Dicoria canescens J. C. Roos 1957-11-30 6659 Riverside 6 mi NW of Thousand Palms. 152 Comment
  UC537237  Dicoria canescens M. E. Jones 1933-11-7 Riverside Cabazon Comment
  UCR93088  Digitaria sanguinalis A. C. Sanders, S. Ogg 1994-7-28 15179 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA0019275  Dimorphotheca fruticosa Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  SBBG55739  Diplacus X australis D. Keil, M. McLeod 1977-3-26 12024 Riverside 0.7 mi W of jct with Riverside Co Rd, R-3, to Hemet, along Hwy 79 548 Comment
  CAS-BOT-BC150677  Diplacus longiflorus Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UC53550  Distichlis spicata J. E. Roadhouse 1903-7-16 6 Riverside Salton Sink Comment
  UCR33696  Ditaxis serrata Sears 1977-10-10 S 518 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  CAS-BOT-BC43657  Dithyrea californica Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Comment
  UC205844  Dithyrea californica S. B. Parish 1919-3-27 19192 Riverside Whitewater <?> Colorado Desert 304 Comment
  CAS-BOT-BC136105  Dodecatheon alpinum Edmund C. Jaeger 1922-7-10 s.n. Riverside Tahquitz [Tacquitz] Valley - San Jacinto Mtn. Comment
  RSA0088541  Downingia bella Giovanni Rodriguez 2016-4-2 16 Riverside Santa Ana mountains, Santa Rosa Plateau (vernal pool trail head). 625 Comment
  CLARK-A1045-179  Downingia cuspidata George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  CAS-BOT-BC41606  Draba corrugata var. corrugata Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. 2438 Comment
  CAS-BOT-BC41629  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3293 Comment
  CLARK-A1528-2314  Draba cuneifolia John C. Roos 1958-2-22 Riverside Chuckwalla Mountains Comment
  RSA709974  Draba cuneifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4592 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC1536961  Draba cuneifolia Gordon H. True Jr. 1935-2-20 4 Riverside bottom of Sycamore Canyon , Box Springs 365 Comment
  UCR97294  Draba cuneifolia Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4120 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  POM99020  Draba cuneifolia var. integrifolia E. C. Jaeger 1926-3-24 s.n. Riverside White Tanks, Western end of Pinto Mts. Comment
  POM370046  Draba cuneifolia var. sonorae Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  HSC1035  Dryopteris arguta W. R. Supernaugh, Jr. 1964-12-24 24 Riverside Joshua Tree Nat'l Monument, 0.25 mi. E of Ryan Campground 1311 Comment
  RSA33796  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  UCR164282  Dryopteris arguta S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCR264471  Dryopteris arguta S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1075 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  UCR92777  Dryopteris arguta D. L. Banks, Steve Boyd 1995-2-16 51 Riverside Peninsular Range; Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area: N slope of Agua Tibia Mtn, south of the Dripping Springs Alcove, east of the Woodchuck Trail 829 Comment
  UC2059984  Dudleya lanceolata K. Nakai 1981-6-4 773 Riverside Temecula River Canyon, ca. 1/4 mi W of Highway I-15 . Comment
  UCR172713  Dudleya lanceolata Jun Hu 2000-5-11 17 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  UCR252199  Dudleya lanceolata Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  CAS-BOT-BC109670  Dudleya multicaulis Steve Boyd 1986-5-7 1838 Riverside Temescal Canyon. Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Northwest of Indian Truck Trail. Comment
  SDSU13833  Dudleya pulverulenta W. Miller with C. Mosse 1972-7-20 Riverside Comment
  RSA21479  Dudleya saxosa subsp. aloides C. B. Wolf 1937-4-5 2770 Riverside San Gorgonio Pass, 1 mi. W. of Whitewater 365 Comment
  RSA6659  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 4536 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 Comment
  CAS-BOT-BC59756  Echinocereus engelmannii var. engelmannii L. R. Abrams 1926-3-27 11214 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0125229  Echinocereus engelmannii var. engelmannii J. R. Shevock 1971-5-8 1038 Riverside Near White Tank, Joshua Tree National Monument 1220 Comment
  SD138882  Elatine chilensis Craig Reiser 1993-3-8 Riverside Menifee Valley, near Menifee Road, in agricultural drainage in unvegetated, disked field Comment
  CAS-BOT-BC112743  Eleocharis geniculata A. C. Sanders; Oscar Clarke; C. N. P. S. 1991-10-5 11744 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  JOTR32463  Eleocharis macrostachya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2608 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
  UCR110916  Eleocharis macrostachya A. C. Sanders, K. C. Rose 1999-6-18 22818 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR75302  Eleocharis macrostachya A. C. Sanders 1993-4-5 13699 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  CAS-BOT-BC113328  Eleocharis montevidensis Peter H. Raven; Sidney R. Snow 1956-6-30 9537 Riverside In a dry creek bed, Dripping Springs Guard Station, Temecula River. Comment
  UCR109744  Eleocharis montevidensis T. W. Fisher 1963-10-3 s.n. Riverside Peninsular Range, Temecula area, Vail Lake 457 Comment
  RSA768246  Eleocharis palustris Justin M. Wood 2010-5-19 1844 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  UCR120853  Eleocharis palustris D. E. Bramlet 2000-8-30 3070 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  SEINET7586940 Image available Eleocharis parishii Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  RSA489830  Elymus elymoides D. Charleton 1988-5-28 2124 Riverside Santa Rosa Mountains. South of Highway 74 dirt road to Toro and Santa Rosa Peaks. Alt. 7500 ft. 2287 Comment
  JOTR35510  Elymus elymoides subsp. elymoides La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3197 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  UC38188  Elymus glaucus H. M. Hall Jun 1 1901-Jul 1 1901 2269 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  CAS-BOT-BC206527  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-8-5 3944 Riverside San Jacinto Mts., along trail from Tahquitz Valley to San Jacinto Peak 2621 Comment
  CLARK-A1528-4608  Elymus triticoides John C. Roos 1937-5-19 2062 Riverside Norco Comment
  POM126257  Emmenanthe penduliflora Martha Hilend 1927-4-2 s.n. Riverside Painted Canyon, Colorado Desert. Comment
  RSA524425  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Tim Ross, J. Bonilla 1990-4-3 4121 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SD212644  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato 2006-6-2 33086 Riverside Hills between Murrieta and Menifee Valley, west of I-215 south of Bundy Canyon. 548 Comment
  UC666588  Emmenanthe penduliflora Harlan Lewis 1942-5-3 1608 Riverside 1 mi W Pinyon Flats (Calif Highway 74) Comment
  UCR35121  Emmenanthe penduliflora L. B. Ziegler 1969-7-3 383 Riverside San Jacinto Mtns, Hemet Valley. E side of valley. Above Kenworthy Ranger Station. 1585 Comment
  UCR35122  Emmenanthe penduliflora L. B. Ziegler 1967-5-18 129 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  UCSB18955  Encelia californica Wright, David 1963-5-5 Riverside State Highway 74, about 6.8 miles S of Dead Indian Creek 1066 Comment
  CAS-BOT-BC131349  Encelia farinosa Aven Nelson; Ruth Nelson 1939-3-24 3250 Riverside In the lower part of Palm Canyon Comment
  LA210564  Encelia farinosa Norman C. Cooper; 1944-4-8 1094 Riverside SAN JACINTO MOUNTAINS, Andreas Canyon. 304 Comment
  RSA586839  Encelia farinosa D. L. Banks, Peter Morrell 1995-5-4 0306 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, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  UC1777705  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside near Blythe (6.2 miles west of junction of Hwy 78 and Hwy 60-70) Comment
  UC1929588  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  UCD20085  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -211 Riverside Growing at mouth of Whitewater Canyon, about 15 miles northwest of Palm Springs. Comment
  UCR101567  Encelia farinosa Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  UCR177026  Encelia farinosa Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, Stowe Road at California Ave., midway between Winchester and Hemet-Ryan Airport 457 Comment
  RSA761294  Encelia frutescens Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-5-25 217 Riverside Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62. 420 Comment
  SEINET11836157  Encelia frutescens var. actoni L. S. Rose 1936-1 36802 Riverside San Jacinto Mts., Palms to Pines Highway, 17 mi SW of Indio 914 Comment
  JOTR29571  Ephedra californica Andre, Jim 2006-4-6 6776 Riverside Joshua Tree National Park. ridgetop, w. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner of boundary of park 1324 Comment
  UC1043025  Epilobium campestre John C. Roos 1952-5-14 5662 Riverside near Box Springs; Edgemont 487 Comment
  UCSB42151  Epilobium campestre Roos, John 1952-6-18 Riverside Edgemont 457 Comment
  CAS-BOT-BC171743  Epilobium canum subsp. latifolium F. W. Peirson 1922-12-27 3336 Riverside Andreas Canyon between forks and at North Fork, where trail branch comes down, Colorado Desert Comment
  CAS-BOT-BC171751  Epilobium canum subsp. latifolium Philip A. Munz 1946-10-19 11563 Riverside Coachella [Coahuila] 1097 Comment
  RSA80634  Epilobium densiflorum F. W. Peirson 1924-7-29 5033 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  UC64473  Epilobium densiflorum H. M. Hall June 1901 2292 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  UCR14844  Epilobium densiflorum A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 439 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado. 610 Comment
  UCR25047  Epilobium densiflorum A. C. Sanders 1981-7-22 1723 Riverside San Jacinto Mtns., Dutchman's Flat in Bear Trap Canyon, c. 1 mi. (airline) west of Idyllwild; between Hwy 243 and Foster Lake. 1814 Comment
  OBI5915  Epilobium glaberrimum Carl B. Wolf 1932-8-5 3941 Riverside Along trl from Tahquitz Valley to San Jacinto Peak. San Jacinto Mts 2560 Comment
  RSA568557  Epipactis gigantea George Henry Grinnell 1923-5-28 s.n. Riverside Riverside. Comment
  POM966  Equisetum arvense D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
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Sep 3 2011
  CAS-BOT-BC284071  Eragrostis pectinacea var. pectinacea Lewis S. Rose 1957-1-3 57008 Riverside La Quinta 15 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
  UCR65287  Eremalche exilis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3883 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  RSA719035  Eremalche exilis Michael Honer 2005-3-11 2065 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  RSA432718  Eremalche rotundifolia E. C. Jaeger 1922-4-7 811 Riverside Chucawalla Bench, Colorado Desert. 259 Comment
  CHSC109246  Eremogone macradenia var. macradenia Scott D. White; Justin M. Wood 2008-6-17 12182 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). Meadow and adjacent uplands. 1390 Comment
  CAS-BOT-BC514315  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2935 Riverside On road to Hemet, Mt. San Jacinto 1371 Comment
  CLARK-A1528-3804  Eriastrum densifolium subsp. mohavense John C. Roos 1943-5-23 2661 Riverside Little San Bernardino Mountains Comment
  SJSU8731  Eriastrum eremicum subsp. eremicum R. C. McGehee 1970-4-16 212 Riverside near N border of Chocolate Mts c. 22 mi W of Wiley Well Comment
  UCR243573  Eriastrum eremicum subsp. eremicum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21104 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
  RSA0120082  Eriastrum eremicum subsp. eremicum Verne Grant, Alva Grant 1950-4-9 8835 Riverside Canyon in pass between Whitewater and Morongo Valley, 0.4 miles S of San Bernardino Co. line. Comment
  CAS-BOT-BC257173  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well 339 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
  UCR48399  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd 1986-5-7 1844 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA0121580  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1960-6-9 4946 Riverside 14 miles west of Murrieta. Comment
  RSA0122011  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3533 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR204183  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan Bell 2008-9-16 3581 Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  UCSB26194  Eriastrum sapphirinum subsp. sapphirinum Gliessman, Stephen 1968-7-18 Riverside Along Saunders Road, 0.5 mile north of junction with Idyllwild Road, San Jacinto Mountains 1600 Comment
  JOTR34482  Ericameria linearifolia Andre, Jim 2012-4-16 20965 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  RSA336406  Ericameria linearifolia R. F. Thorne, A. Shmida 1978-4-23 52075 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  SD193071  Ericameria linearifolia W. J. Schrenk 2008-4-30 86 Riverside Anza-Borrego Desert State Park, Coyote Canyon Road 1000 Comment
  SD229090  Ericameria nauseosa var. bernardina Dick Schwenkmeyer 2012-8-7 778 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UC640280  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside e of Banning (w edge of Colorado Desert); Colorado Desert Comment
  POM183885  Ericameria pinifolia P. A. Munz 1932-10-16 12841 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  SD144047  Ericameria pinifolia A. C. Sanders, T. Tennant 1997-11-14 21604 Riverside San Bernardino Mtns.: Morongo Indian Reservation, Hathaway Canyon. 854 Comment
  SD44539  Ericameria pinifolia J. B. Marks 1948-6-20 Riverside above Banning 915 Comment
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Mar 13 2011
  JEPS19246  Ericameria teretifolia Marjorie D. Clary 1932-11-14 1676 Riverside se of Pinyon Flats (Palms to Pines Rd.); Colorado Desert Comment
  SEINET9371077  Ericameria teretifolia Unknown 1936-12-24 36815 Riverside Riverside Comment
  RSA522306  Erigeron bonariensis Steve Boyd 1989-7-9 3776 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UC219263  Erigeron divergens P. A. Munz and I. M. Johnston 1922-5-20 5469 Riverside Kenworthy San Jacinto Mts. 1402 Comment
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Mar 25 2011
  SEINET7062959  Erigeron foliosus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. UTM Zone 11, 476282mE, 3705489mN. (WGS84/NAD83). 263 Comment
  CAS-BOT-BC296242  Erigeron foliosus var. foliosus Mary F. Spencer 1919-6-19 1201 Riverside San Jacinto Mts. 1615 Comment
  UC31477  Erigeron foliosus var. foliosus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1275 Riverside Canyon of San Jacinto River Comment
  POM230161  Eriodictyon crassifolium I. W. Clokey, Edward Anderson 1935-4-16 6834 Riverside East of Hemet 600 Comment
  RSA125984  Eriodictyon crassifolium E. K. Balls, P. C. Everett 1957-11-4 22743 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  RSA34589  Eriodictyon crassifolium N. C. Cooper 1944-5-6 1170 Riverside Banning. 701 Comment
  SDSU6070  Eriodictyon crassifolium Charles F. Phleger 1962-5-12 12 V62 Riverside Collected on highway 74 fives miles east of Hemet. In sandy soil with Salvia apiana, Eriogonum Fasciculatum and Quercus dumosa. Comment
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Oct 5 2011
  SEINET271036  Eriodictyon crassifolium Richard J. Shaw 1958-4-6 1103 Riverside Palms to Pines Highway, between Idyllwild junction and Hemet 1067 Comment
  OBI83154  Eriodictyon crassifolium Cecelia Call 1958-6-14 10 Riverside One-third mile south of Cleveland National Forest boundary-Tinmine 2 meters high. Comment
  RSA0034874  Eriodictyon crassifolium I. W. Clokey, E. G. Anderson 1935-4-16 6834 Riverside East of Hemet. 600 Comment
  OBI55262  Eriodictyon crassifolium var. crassifolium Barbara Crumly 1953-5-23 s.n. Riverside Cranston Ranger Station Comment
  UCR230933  Eriodictyon crassifolium var. crassifolium T. B. Salvato, Richard Camacho 2011-6-12 5490 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  CAS-BOT-BC189163  Eriodictyon crassifolium var. nigrescens Scott D. White 1996-4-14 3903 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Highway 74, ca. 1.7 mile W of USFS Cranston Fire Station 548 Comment
  SD80101  Eriodictyon crassifolium var. nigrescens Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-24 398 Riverside Water service road above crossing of Deep Canyo, north slope Santa Rosa Mountains. 1317 Comment
  RSA775450  Eriodictyon trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4411 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
  RSA783133  Eriogonum J. D. Olmsted 1959-9-23 1004 Riverside Pines to palms Hwy 2 mi. S of Hemet Lake 1372 Comment
  RSA783252  Eriogonum J. D. Olmsted 790 Riverside Reservoir Hill, Desert Sun School near Idyllwild, south slope 1646 Comment
  JOTR33960  Eriogonum angulosum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2846 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  CAS-BOT-BC248626  Eriogonum apiculatum Philip A. Munz 1938-8-13 15333 Riverside Near Santa Rosa Peak 2316 Comment
  CAS-BOT-BC248633  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Pk., San Jacinto Mt 2499 Comment
  CAS-BOT-BC242792  Eriogonum davidsonii E. K. Balls; P. C. Everett 1953-8-19 18529 Riverside Hwy from Banning to Idyllwild, s.e. from Lake Fullmore [Fulmore] 1676 Comment
  RSA613853  Eriogonum davidsonii Scott D. White, Julie Greene, Shelton Dowthit 1996-10-13 4623 Riverside San Jacinto Valley: Eastern foothills of valley (= ''Santa Rosa Hills''), S of Hemet. 550 Comment
  UCR268302  Eriogonum davidsonii Jim Andre 2012-6-15 30517 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  UCR38701  Eriogonum davidsonii J. M. Stewart 1985-4-22 8518 Riverside Santa Rosa Mountains, Dead Indian Wash at Hwy 74, south of Palm Desert Comment
  RSA0108981  Eriogonum deflexum Duncan S. Bell, Amanda Bell 2012-1-29 3079 Riverside Arica Mountains; collecting in the center of the range, approximately 7 air miles southwest of the ghost town of Rice, or 2 air miles west of Priests Well. 438 Comment
  JEPS57030  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-12-18 1737 Riverside Clemens Well Orocopia Mts., Clemens Well 152 Comment
  RSA192059  Eriogonum elongatum E. W. Lathrop 1965-12-9 6035 Riverside 5 miles southwest of Murrieta on the De Luz truck trail. 457 Comment
  RSA393520  Eriogonum elongatum H. de Forest 1930-12-7 s.n. Riverside Cabazon. Comment
  SDSU6550  Eriogonum elongatum James C. Dice with J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northeast 1/4 of northwest 1/4 of section 35. 390 Comment
  UCR16528  Eriogonum elongatum P. A. Rauch 1966-1-24 s.n. Riverside 1 mi. SE of Aguanga on Aguanga-Warner Springs Hwy 610 Comment
  RSA393430  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1576 Riverside Banning. 701 Comment
  RSA393431  Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-4-21 C 2058 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  POM158443  Eriogonum fasciculatum var. polifolium P. A. Munz 1927-5-21 10880 Riverside 10 miles SW of Coahiula. 1372 Comment
  POM49850  Eriogonum fasciculatum var. polifolium P. A. Munz, I. M. Johnston 1924-7-29 8881 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA0081620  Eriogonum fasciculatum var. polifolium Jim M. Andre 2012-4-11 20831 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  UC1329836  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-21 765 Riverside Quartz Outcrop Joshua Tree National Monument, Quartz Outcrop 914 Comment
  UC56796  Eriogonum gracile H. M. Hall 1902-8-6 2655 Riverside vicinity of Riverside 457 Comment
  RSA0097132  Eriogonum gracile var. incultum Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18361 Riverside 2.5 km NNW of central Beaumont, 42 km ENE of central Riverside. 785 Comment
  RSA485411  Eriogonum gracile var. incultum Steve Boyd 1987-2-12 1966 Riverside Temescal Canyon, southeast of Corona, where Horsethief Wash crosses Temescal Canyon Rd. 354 Comment
  RSA736778  Eriogonum gracile var. incultum Scott D. White, Angelia Carey 2004-7-2 10561 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  CHSC8069  Eriogonum inflatum Edward L. Smith 1958-3-21 365 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  RSA393586  Eriogonum inflatum var. inflatum Robert M. Perkins, H. de Forest 1937-3-15 s.n. Riverside Rice to Desert Center. 122 Comment
  RSA239211  Eriogonum molestum James L. Reveal, Caroline G. Reveal 1972-8-9 2865 Riverside San Jacinto Mountains, along California Hwy 243, 1.6 miles north of Alandale Ranger Station, about 7 miles north of Idyllwild, near Fuller Mill Creek Comment
  JOTR32479  Eriogonum nidularium Herskovits, Tasya 2011-5-25 15 Riverside Joshua Tree National Park. Cottonwood Mountains; Pinto Basin road; Convergence of large, sandy, open southeast flowing wash and Cottonwood Canyon; Small rocky ledges and outcrops bordering wash (Stop 1) Comment
  JOTR35311  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. large wash about 1 mile SW of Eureka Peak. 1380 Comment
  RSA424846  Eriogonum pusillum Christopher Davidson, B. Gustafson 1977-4-7 5594 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  SFV1022  Eriogonum pusillum P. M. Kennamer 1958-4-1 100 Riverside Palm Springs area. 0.75 miles from the Joshua Tree National Monument turnoff on U. S. Highway 99. 40 feet from west side of road. 213 Comment
  CAS-BOT-BC253023  Eriogonum reniforme John Thomas Howell 1931-6-5 6654 Riverside 1 mile east of Whitewater Comment
  RSA339321  Eriogonum reniforme Robert F. Thorne, W. A. Tilforth 1980-5-28 54180 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  UCR38702  Eriogonum reniforme J. M. Stewart 1985-4-22 8517 Riverside Santa Rosa Mountains, Dead Indian Wash at Hwy 74, south of Palm Desert Comment
  UC64563  Eriogonum saxatile H. M. Hall 729 Riverside San Jacinto Mountains 2438 Comment
  CLARK-A1528-748  Eriogonum thomasii Fred B. Essig 1967-3-12 Riverside Joshua Tree Monument Comment
  JOTR35144  Eriogonum thomasii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3256 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  JOTR35219  Eriogonum thomasii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3643 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  PASA1496  Eriogonum thomasii 1926-2-21 Riverside Thousand Palms Comment
  RSA0026167  Eriogonum thomasii Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17717 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  RSA614477  Eriogonum thomasii George K. Helmkamp 1998-4-4 3171 Riverside 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  RSA64621  Eriogonum thomasii F. W. Peirson 1926-1-31 6490 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  SBBG81717  Eriogonum thomasii S. A. Junak 1983-3-24 1661 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  UCR214169  Eriogonum thomasii T. B. Salvato 2010-4-20 4063 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR275143  Eriogonum thomasii David Fraker, Aaron C. Sedgwick 2012-4-4 066 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  SBBG65504  Eriogonum thurberi M. N. Ackley 1928-4-1 871 Riverside between Indio and Palm Springs 60 Comment
  RSA682081  Eriogonum trichopes Scott D. White, Michael Honer 2003-4-30 9142 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA420612  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-4 172 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  UCR163888  Eriogonum wrightii var. nodosum B. G. Pitzer 2001-11-4 4348 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  RSA766282  Eriogonum wrightii var. subscaposum Joseph A. Ewan 1930-8-31 2133 Riverside N rim of Tahquitz Valley. San Jacinto Mtns. 2652 Comment
  RSA0123091  Eriophyllum ambiguum var. paleaceum Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8986 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
  POM172018  Eriophyllum confertiflorum P. A. Munz 1930-5-1 11918 Riverside Dry Morongo Wash, Little San Bernardino Mts 183 Comment
  SEINET235603  Eriophyllum confertiflorum A. C. Sanders 1997-4-10 20331 Riverside Tucalota Hills E of Lake Skinner (Bachelor Mtn. Quad) 600 Comment
  UCR111771  Eriophyllum confertiflorum Mitch Provance 1998-3-17 223 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCSB6520  Eriophyllum confertiflorum Kamb, Peter 1947-6-7 Riverside Arid Transition Zone; Hall Canyon, San Jacinto Mts. 1645 Comment
  CAS-BOT-BC301786  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Leach Canyon, Santa Ana Mts 548 Comment
  JEPS119485  Eriophyllum wallacei Clark Cowan 1978-4-23 1214 Riverside 12.1 miles (19.2 km) S on Highway 74 from junction with Highway 111 at Indian Wells. Comment
  UCR94242  Eriophyllum wallacei Scott D. White 1996-4-14 3907 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
  UCSB19368  Eriophyllum wallacei Creighton, B. 1961-5-6 Riverside 7.9 miles south of Banning on Banning-Idyllwild road, about 25 miles east of Riverside 1158 Comment
  RSA673541  Erodium botrys Scott D. White, Tasha LaDoux 2000-4-20 7675 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR92699  Erodium botrys A. C. Sanders, O. F. Clarke 1996-4-13 18037 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  UCR92611  Erodium cicutarium Scott D. White 1994-3-29 1942 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  CLARK-A1528-2959  Erodium moschatum John C. Roos 1952-4-9 5480 Riverside Riverside 259 Comment
  RSA0021554  Erodium texanum Duncan S. Bell 2012-3-4 3138 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA0020249  Erythranthe floribunda Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SD116583  Erythranthe palmeri Barbara Ertter, Jeffrey Strachan 1980-5-21 3483 Riverside Santa Rosa Mountain road (Forest Road 7s02) ca. 2 miles south of Highway 74 (Pines to Palms Highway) 1584 Comment
  JOTR34057  Eschscholzia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2955 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  RSA0022971  Eschscholzia androuxii Percy C. Everett, E. K. Balls 1958-5-7 23114 Riverside S end Joshua Tree National Monument 1067 Comment
  OBI52763  Eschscholzia californica Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck Trl Comment
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Nov 17 2014
  SDSU12927  Eschscholzia californica Jutta Buschbom 1991-6-9 43 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UC917873  Eschscholzia californica Frank W. Gould 1944-4-5 2224 Riverside 17 mi e Temecula Comment
  UCR115942  Eschscholzia californica Mitch Provance 1998-6-11 675 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  HSC28464  Eschscholzia glyptosperma Richard Spjut 1973-4-6 3271 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  SBBG87721  Eschscholzia minutiflora S. Boyd with S. Meury, R. Noyes, L. Arnseth, T. Ross 1988-3-10 2116 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  SD258461  Eschscholzia minutiflora J. M. Andre 2013-3-27 24834 Riverside Riverside Mountains; along Wilson River Crossing Rd, 0.8 mile east of Highway 95, 12.4 miles south of Vidal Jct. Sandy bluffs above Colorado River flood plain. 114 Comment
  UCR267892  Eschscholzia minutiflora Jim Andre 2013-3-4 23859 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  SEINET12102699  Eschscholzia minutiflora Unknown 1936-1 12860 Riverside near Palm Springs Comment
  GMDRC5582  Eschscholzia papastillii Shannon M. Still 2009-3-28 510 Riverside Pinto Mountains: in middle of Pinto Mtns, in sandy wash 584 Comment
  RSA0125281  Eschscholzia papastillii Duncan S. Bell 2016-3-4 8786 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
  CAS-BOT-BC419627  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-14 2169 Riverside Colorado Desert. 5 miles south of Cottonwood Spring, Eagle Mountains Comment
  CAS-BOT-BC419640  Eschscholzia parishii F. O. Ballou 1926-2-27 s.n. Riverside Mesa - Murray Canon [Canyon] Comment
  JOTR38684  Eschscholzia parishii Hodges, Stephen R. 2017-2-7 700 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UC1060520  Eschscholzia parishii Richard Snow 1953-4-5 50 Riverside Corn Spring Comment
  UC195337  Escobaria vivipara var. alversonii S. B. Parish 1916-5-13 10861 Riverside Shaver's Well; Colorado Desert Comment
  SEINET8043950 Image available Eucalyptus A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41554 Riverside Peninsular Range: Eeastern Foot of the Santa Ana Mtns: Temescal Valley jsut below I-15 bridge near Hostettler Road, Se of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill. 363 Comment
  SD152810  Eucalyptus camaldulensis Steve Boyd, Tim Ross 1992-2-21 6671 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south. 701 Comment
  OBI38361  Eucalyptus rudis Alden Kelly 1986-3-17 s.n. Riverside Edgemont area of Moreno Vallye, from planting along W side of hwy 215 at Eucalyptus Ave, row runs ca 1 mi along 215 457 Comment
  SD185050  Eucalyptus rudis Alden Kelly 1986-3-17 Riverside Edgmont area of Moreno Valley from planting along W side of Hwy 215 at Eucalyptus Ave. Row runs ca. 1 mi along 215 456 Comment
  CAS-BOT-BC300505  Eucommia ulmoides O. F. Clarke 2004-4-1 s.n. Riverside Peninsular Range: Riverside; UCR Botanical Garden 412 Comment
  RSA615095  Eucrypta chrysanthemifolia D. L. Banks 1997-3-29 1584 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR140705  Eucrypta chrysanthemifolia A. C. Sanders 2004-5-12 27862 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR241820  Eucrypta chrysanthemifolia A. C. Sanders, Timothy W. Chumley 2013-4-2 40756 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  RSA425013  Eucrypta micrantha J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  RSA775663  Eucrypta micrantha Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 812 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  CDA37670  Eulobus californicus T. C. Fuller 1962-4-3 7985 Riverside South of Highway 99, 1.7 miles west of junction with Highway 111 to Palm Springs, 4.3 miles east of Cabazon. 0 Comment
  RSA698221  Eulobus californicus J. R. Bruff 1928-4-2 86 Riverside Whitewater. Comment
  UC172906  Eulobus californicus E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert Comment
  SEINET6060470  Euonymus occidentalis Scott D. White 1919-1-6 6946 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  SEINET10689684  Euonymus occidentalis var. parishii Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 19 Riverside San Bernardino National Forest. Fuller Mill Creek. Calocedrus decurrens forest, 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  UCR176674  Euphorbia G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  UCR188699  Euphorbia J. M. Stewart 1989-10-17 616 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  RSA0042921  Euphorbia jaegeri Duncan S. Bell, Evan Meyer 2014-4-2 6494 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR23189  Euphorbia maculata S. Gallagher 1981-6-1 30 Riverside Riverside, intersection of Serpentine Road & Palmyrita Avenue, SE corner, 10 m S from Palmyrita Ave. street sign. 305 Comment
  SEINET4691939  Euphorbia micromera Duncan S. Bell 2012-1 4175 Riverside Rice Valley; east side of the Arica Mountians; approx 6 air miles southeast of the ghost town of Rice and Approx. 5.5 air miles east of Priests Well 202 Comment
  UCR108728  Euphorbia micromera Scott D. White, Sandy Leatherman 1998-4-15 6294 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  POM9771  Euphorbia misera E. C. Jaeger 1921-4-15 4415 Riverside Palm Springs 152 Comment
  UCR256713  Euphorbia ocellata var. arenicola Duncan S. Bell 2012-2-12 3111 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UC17652  Euphorbia palmeri H. M. Hall Jul 1901 2520 Riverside s side San Jacinto Mountains 1584 Comment
  UCR114343  Euphorbia peplus Mitch Provance 2000-1-8 1801 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  UCR103901  Euphorbia polycarpa B. G. Pitzer 1997-4-11 3105 Riverside Lakeview Mtns, spur off Pulsar View Road leading to utility tower, c. 1 mi by road from the base of the hills. c. 3/4 mi (air) SW of Mt. Rudolph. 604 Comment
  UCR21194  Euphorbia polycarpa Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR57985  Euphorbia polycarpa J. M. Stewart 1989-9-17 600 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  SD43539  Euphorbia setiloba Philip A. Munz 1946-10-20 11579 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains 1039 Comment
  RSA737118  Eustoma exaltatum Justin M. Wood 2008-10-15 184 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC22677  Eustoma exaltatum H. M. Hall 1901-8-10 2672 Riverside near Riverside Comment
  UC1746488  Euthamia occidentalis Mitch Provance and S. D. Boyd 1999-9-14 1785 Riverside between Lake Evans and Santa Ana R. Spring Brook; Riverside 237 Comment
  CLARK-A1528-5749  Fagonia californica var. glutinosa John C. Roos 1947-2-1 3220 Riverside Painted Canyon Comment
  HSC82755  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains, Box Canyon on Box Canyon Rd., 5.9 miles E of Mecca. 305 Comment
  RSA391193  Fagonia laevis M. B. Dunkle 1935-3-30 4426 Riverside Pinto Basin, Colorado Desert. 915 Comment
  SEINET3004976  Fagonia laevis G. Rink, M. Baker 2011-3-31 10402 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  SEINET10389805  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 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
  CLARK-A1528-4654  Festuca megalura John C. Roos 1937-5-2 1395 Riverside La Sierra Comment
  RSA0123281  Festuca octoflora Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8994 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
  RSA0026300  Filago John F. Emmel 1991-4-28 1170 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  CLARK-A1045-227  Filago arizonica George K. Helmkamp 1978-4-1 Riverside Cabazon north of Interstate highway 10; disturbed soil; Cabazon 7.5'Q Comment
  RSA703372  Filago californica LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1440 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA774501  Filago californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4423 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
  UCR167418  Filago californica 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
  UCR41225  Filago californica N. M. Fellows, A. C. Sanders 1985-4-9 124 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR58850  Filago californica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3210 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  JEPS44673  Fragaria vesca Carl V. Meyer Jun 1927 195 Riverside San Jacinto Mt. Comment
  RSA628536  Frangula californica subsp. californica A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22218 Riverside Morongo Indian Reservation, Middle Branch Millard Canyon. 1311 Comment
  RSA391416  Frankenia grandifolia S. B. Parish 1897-06 2589 Riverside Elsinore Lake Comment
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Nov 24 2011
  CAS-BOT-BC211660  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore Comment
  RSA293533  Frasera parryi C. W. Tilforth, Walter Wisura 1979-8-8 1902 Riverside Along hiway 74, 7.5 mi. south-east of Lake Hemet turn-off, Garner Valley Comment
  JEPS42945  Fraxinus velutina Marjorie D. Clary 1932-7-4 1206 Riverside canyons above Ribbonwood (between Pinyon and Vandeventer Flats); Santa Rosa Mountains 1371 Comment
  SD255221  Fraxinus velutina Duncan S. Bell, Josh Brito and John Woodruff 2015-7-15 8552 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCD139667  Fritillaria biflora Steve Boyd 1986-3-1 1375 Riverside Gavilan Plateau, Gavilan Hills: Ida-Leona Road west of Piedras Road, east 1/2 of border. 624 Comment
  UCR1227  Fritillaria biflora Martha McCarthy 1960-3-27 s.n. Riverside Santa Ana Mtns, along Tenaja Road, 2.8 mi. west from junction with Washington Avenue in Murrieta Comment
  UCR17009  Fritillaria biflora E. W. Lathrop 1971-3-24 7483 Riverside Santa Ana Mtns, Cleveland National Forest, Main Divide [Tenaja] Truck Trail between El Carriso and San Mateo Canyon, '4000 ft. 747 Comment
  RSA781183  Funastrum cynanchoides var. hartwegii D. Silverman 2010-3-30 7886 Riverside East bajada flank of southern McCoy Mountains, 1 km west of Black Creek Road, 7.8 km east of McCoy Peak, and 4.8 km N of I-10 165 Comment
  CHSC99050  Funastrum hirtellum LeRoy Gross 2005-3-3 1575 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  UC28154  Galium andrewsii subsp. andrewsii H. M. Hall May 1899 1155 Riverside Kenworthy San Jacinto Mountains 1524 Comment
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Mar 25 2011
  UCR47861  Galium angustifolium A. C. Sanders 1986-6-1 6533 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  SDSU14282  Galium angustifolium subsp. angustifolium Ryan Jacobson, Jeremy Mass 2000-4-19 7 Riverside Santa Margarita Ecological Reserve. Near banks west bank of Stone Creek, about 1 mile north east of south-side facility. 177 Comment
  UC28168  Galium angustifolium subsp. angustifolium H. M. Hall 1899-6-1 Riverside near Temecula Comment
  UCR111966  Galium angustifolium subsp. angustifolium A. C. Sanders, T. B. Salvato 2000-5-25 23396 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
  JEPS54620 Image available Galium angustifolium subsp. jacinticum L. T. Dempster and G. L. Stebbins 1966-6-18 4244 Riverside 0.9 mi above junction with road to Pine Wood (Black Mountain road); San Jacinto Mts.; Black Mt. road, San Jacinto Mts., Riverside Co. 1981 Comment
  RSA0051335  Galium angustifolium subsp. jacinticum Valerie Soza, Steve Boyd 2004-6-22 1727 a Riverside San Jacinto Mountains, southeast side of Lake Fulmor, slope above Hwy 243 (Hall Canyon). 1615 Comment
  RSA0014932  Galium aparine LeRoy Gross, Caitlin Elam, Evan Meyer 2013-5-7 6038 -a Riverside West of the community of Pine Cove, near Idyllwild. Out-skirt of the community and Red Hill road (5S10). Near 1720 Comment
  JOTR34214  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3006 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  UC64377  Galium porrigens H. M. Hall 1897-6-16 645 Riverside w side San Jacinto Mountains (Junction <from notebooks, according to L. T. Dempster>) Comment
  LA208440  Galium stellatum var. eremicum L. Haines; L. Erickson 1937-4-10 Riverside Palms to Pines Highway 2 mi above valley Comment
  UC1417535  Galium stellatum var. eremicum J. L. Strother 1973-3-24 1158 Riverside above Chiriaco Summit; Joshua Tree National Monument, Lost Palms Canyon Comment
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Mar 26 2011
  UCR173929  Gamochaeta stagnalis A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32564 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 587 Comment
  RSA668495  Garrya S. Granger 1979-3-7 s.n. Riverside Last Horse Mountain., west fork of Whitewater. Comment
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Mar 15 2013
  RSA596936  Gazania linearis A. C. Sanders 1996-4-12 18027 Riverside Moreno Valley: old field/vacant lot on W side of Frederic St. between Eucalyptus and Myers 494 Comment
  SBBG23130  Geraea canescens K. K. Muller 1965-4-27 1275 Riverside edge of Indio Comment
  UC809707  Geraea canescens E. K. Balls 1949-4-2 12891 Riverside on Hwy 60 20 mi from Whitewater; Colorado Desert 121 Comment
  POM50215  Geranium richardsonii H. M. Hall 1901-07 2336 Riverside Vicinity of Deer Springs, in damp places. Comment
  UCR154400  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16214 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR178339  Gilia Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 653 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR261365  Gilia A. C. Sanders, Katie Young, John Hale 2015-4-22 41615 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UCR225729  Gilia angelensis A. C. Sanders, T. B. Salvato 2011-3-30 38898 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR249826  Gilia angelensis T. B. Salvato, John Lovio 2013-3-19 7364 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR92230  Gilia angelensis Steve Boyd, D. L. Banks 1995-3-30 8411 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  RSA171379  Gilia diegensis J. D. Olmsted 1962-5-3 3537 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 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
  JOTR29371  Gilia latifolia La Doux, Tasha, Mike Bell 2006-5-10 1448 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UCR103596  Gilia maculata George K. Helmkamp 1997-2-26 1309 Riverside Sonoran (Colorado) Desert, Coachella Valley, about 200 yards SE of the jct of Calif. Hwy 62 & Indian Ave. in the NW end of the Valley 488 Comment
  CAS-BOT-BC407622  Gilia ochroleuca subsp. exilis Frank W. Peirson 1928-3-24 7725 Riverside Temescal Canyon, near auto camp 304 Comment
  RSA0016200  Gilia ochroleuca subsp. exilis Scott D. White, Bill La Haye 2000-5-27 7960 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA0016289  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-6-18 12210 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  RSA0083764  Gilia ochroleuca subsp. exilis Scott D. White, Tasha La Doux 2000-4-20 7698 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UC52864  Gilia ochroleuca subsp. exilis H. M. Hall April, 1902 2912 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR179203  Gilia splendens Tracy Tennant, J. Ross, G. White 1998-5-21 MOR- 247 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  JOTR33776  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2928 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (stop 2) Comment
  JOTR35208  Gilia stellata Harding, Mitzi, Tasya Herskovitz 2011-4-20 185 Riverside Joshua Tree National Park. Burned slopes above Keys View parking area 1597 Comment
  RSA0096821  Gilia stellata Duncan S. Bell, Andrew Chambers 2015-3-12 7785 Riverside San Gorgonio Wilderness area; Whitewater Canyon; about 0.75 air miles northeast of Red Dome. 863 Comment
  UC880158  Gilia stellata I. W. Clokey 1935-4-17 6801 Riverside Cottonwood Springs Comment
  UCR1643  Gilia stellata William G. Truesdell 1962-3-25 32562- 3 Riverside San Bernardino Mtns./Western Colorado Desert, Whitewater Canyon, 1 mile from Hwy 60 457 Comment
  RSA575851  Glinus lotoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  UCR116997  Gnaphalium palustre A. C. Sanders, T. B. Salvato 2001-5-3 24104 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR157959  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 918 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
  UCR231778  Gnaphalium palustre John F. Green 2008-4-23 08- 22 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  SDSU14192  Gnaphalium stramineum David Mabs 2002-4-20 18 Riverside Santa Margarita Ecological Reserve. About a hundred yards up river from where Tornado Road crosses. 235 Comment
  UC581331  Guilleminea densa var. aggregata George Black 1937-11-26 Riverside Riverside, Pachappa Station Pachappa Station; Riverside, Pachappa Station Comment
  UC581332  Guilleminea densa var. aggregata Noel Walker 1936-8-14 Riverside Riverside, Pachappa Station Pachappa Station; Riverside, Pachappa Station Comment
  RSA162744  Guillenia lasiophylla John Olmsted 1958-3-29 69 Riverside Transiton zone with NE drainage towards the Pinto Basin. Near intersection of Cottonwood Pass and Cottonwood Spring roads, 8 miles N of Souther entrance to Joshua Tree National Monument. 915 Comment
  UCR199575  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  POM256727  Gutierrezia sarothrae W. Pequegnat 1940-7-1 s.n. Riverside Bedford Truck Trail, Santa Ana Mts. 427 Comment
  RSA450480  Gutierrezia sarothrae J. C. Roos 1965-6-21 s.n. Riverside the hills 2 miles S of Beaumont Comment
  SEINET3242789 Image available Harpagonella palmeri D. Bramlet 1993-1 2301 Riverside Siegal Ranch Road approximately 120 m south of Cajalco Road and 1 km east of the intersection of Cajalco Rd. and Sierra Ave. The site was located some 180 m west of Siegal Ranch Road. Comment
  UC1552123  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside e end Lake Skinner (lower s slopes of Bachelor Mountain); lower s slopes Bachelor Mountain, Lake Skinner Comment
  RSA0071984  Helianthemum scoparium J. M. Andre 2012-6-15 30521 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  RSA655230  Helianthemum scoparium var. scoparium Scott D. White 1999-11-12 7629 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  UCR103900  Helianthus annuus B. G. Pitzer 1997-4-11 3102 Riverside Lakeview Mountains, Pulsar View Road, c. 0.5 mi. (air) SSE of Mt. Rudolph. 640 Comment
  UCR94950  Helianthus annuus Scott D. White 1996-9-22 4541 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  POM360005  Helianthus gracilentus N. C. Cooper 1949-6-29 4282 Riverside Palms to Pines Highway. 1220 Comment
Read comments
May 13 2011
  RSA741261  Helianthus gracilentus Scott D. White, Justin M. Wood 2008-7-10 12458 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  SEINET269528  Helianthus gracilentus Scott D. White, Steve Myers; S. Ogg M. Wilcox 1995-6-16 3330 Riverside Lake Elsinore Pumped Storage hydroelectric project. Steep northeast facing mountain slope west of Lake Elsinore southe 396 Comment
  UCR100378  Helianthus gracilentus A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21611 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  UCR92258  Heliotropium curassavicum Scott D. White 1995-8-23 3575 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  CSUSB993  Heliotropium curassavicum var. oculatum Pam Maynard 1974-5-27 Riverside Mount San Jacinto Mount San Jacinto beside highway 243. 914 Comment
  CAS-BOT-BC314979  Hemizonella minima Edmund C. Jaeger 1921-6-14 s.n. Riverside MacMullen Trail, San Jacinto Mts. 1280 Comment
  RSA717681  Hemizonia kelloggii A. C. Sanders 2004-5-5 27786 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR176181  Hemizonia kelloggii Amber Bruno 2005-6-7 53 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR239937  Hemizonia mohavensis O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA655231  Hemizonia paniculata Scott D. White 1999-11-12 7632 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  RSA683893  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR187504  Hemizonia paniculata Theresa Johnson 2006-9-27 286 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road west of Squaw Mountain, c. 1 mile NW of Tenaja Guard Station 598 Comment
  CLARK-A1528-247  Hemizonia paniculata subsp. paniculata R. P. Sunderman 1968-5-6 2 Riverside Riverside 365 Comment
  RSA645877  Hemizonia pungens subsp. laevis Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley: along I-215 between 4th St. (Perris) and approximately 0.25 miles S of the San Jacinto River. 429 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
  UCR85582  Hemizonia pungens subsp. laevis Julie A. Greene 1993-5-12 1323 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  SD152737  Hesperocnide tenella Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7359 Riverside S Santa Ana Mtns,San Mateo Cyn Wild.Area,San Mateo Cyn,stream&adj.benches&lower slopes frm confl.w/Los Alamos Cyn downstream to confl. w/Tenaja Cyn. in understory dense,mesic chaparral on steep slope,SW of Fisherman's Camp,confl.San Mateo&Tenaja Crks. 366 Comment
  UCR92701  Hesperocnide tenella A. C. Sanders, O. F. Clarke, et al. 1996-4-13 18033 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  CAS-BOT-BC131793  Hesperoyucca whipplei Scott D. White 1996-4-14 3920 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 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
  UCR167931  Heterotheca grandiflora T. B. Salvato, John F. Green 2004-5-27 657 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
  UCR52415  Heuchera hirsutissima David Charlton 1988-5-28 2122 Riverside Santa Rosa Mtns, S of Hwy 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp area, S facing slopes, E side 2287 Comment
  RSA0066124  Heuchera hirsutissima L. B. Ziegler 1969-7-1 s.n. Riverside North face of San Jacinto Mts. 2346 Comment
  POM118516  Hibiscus denudatus Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA778205  Hibiscus denudatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 799 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  POM48033  Hieracium albiflorum P. A. Munz, I. M. Johnston 1924-7-27 8750 Riverside Dark canyon 1982 Comment
  SEINET212651 Image available Hilaria rigida L. C. Higgins 1974-4-12 8488 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  UCD84933  Hilaria rigida Chuck Hughes 2010-3-22 205 Riverside About 9.4 miles south of Highway 62, next to railroad tracks. 245 Comment
  UCSB393  Hilaria rigida Beeks, Richard 1952-4-5 Riverside 12 miles east of Shavers Summit Comment
  RSA660232  Hirschfeldia incana M. Duke, Christy Hightower, C. McElroy 1982-5-15 4 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  CAS-BOT-BC206105  Hoffmannseggia microphylla John Thomas Howell 1827-1-28 3292 Riverside Painted Canyon [Canon], Colorado Desert Comment
  CSUSB1281  Hoffmannseggia microphylla J. E. Parlevliet 1958-4-13 Riverside Highway 60-70 east of Indio, 1/2 mile east of Cactus City, 200 yards left from bridge 50 yards from wash. 457 Comment
  UC2015587  Hoffmannseggia microphylla A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16091 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  SEINET10918608  Hoffmannseggia microphylla A. K. Evans 1976-4-13 Evans 5155 Riverside Desert canyons of Santa Rosa mountains. Comment
  UCR141246  Holocarpha virgata subsp. elongata A. C. Sanders, Mike Misenhelter 2004-10-6 28826 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  RSA679165  Holodiscus microphyllus Fred M. Roberts 2003-6-25 5934 Riverside Santiago Peak, NE slope off old road near jct. with Main Divide Truck Trail, 4.3km by road N bear Springs, 0.4km N summit. 1633 Comment
  UC1931198  Hordeum brachyantherum subsp. californicum Scott D. White, Justin Wood 2008-7-9 12418 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  CAS-BOT-BC285033  Hordeum depressum A. C. Sanders; Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin: San Jacinto River Valley, S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 mi. NW of San Jacinto 445 Comment
  RSA696136  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24040 Riverside San Jacinto Valley: southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal. 457 Comment
  UCR75301  Hordeum depressum A. C. Sanders 1993-4-5 13686 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA608534  Hordeum intercedens D. E. Bramlet 1996-5-4 2465 Riverside San Jacinto Wildlife Area. The site is at the entrance to Marsh A, approx. 15m from the southern levee of Pond No. 1. This locality is approx. 1.5 km northesat of the reserve entrance at Davis Road. 433 Comment
  UCR280612  Hordeum intercedens Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-11 417- 17 Riverside Elsinore Trough, South corner of Baker St. and Bromley Ave. 384 Comment
  RSA551080  Hordeum marinum R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51993 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR182859  Hordeum murinum subsp. leporinum Mitch Provance 2001-4-21 4635 Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  CAS-BOT-BC148562  Horkelia clevelandii Ralph Hoffmann 1929-9-7 s.n. Riverside Meadow, San Jacinto Mt. 1645 Comment
  UC2030122  Horkelia clevelandii Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38078 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  RSA0026267  Horkelia cuneata subsp. cuneata Fred M. Roberts 2013-6-7 7781 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.1 kilometers NNW Upper San Juan Campground. 518 Comment
  RSA0042109  Horsfordia newberryi Duncan S. Bell, Deidre Conocchioli 2014-3-11 6226 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  RSA489831  Hulsea vestita subsp. callicarpha D. Charlton 1988-5-28 2126 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  RSA89922  Hulsea vestita subsp. callicarpha E. K. Balls, PC Everett 1953-7-1 18348 Riverside 5 miles NW of Idyllwild on road to Banning. 1524 Comment
  SBBG65750  Hulsea vestita subsp. callicarpha Mrs. J. D. Wright 1929-6-25 Riverside Idyllwild Comment
  SBBG65751  Hulsea vestita subsp. callicarpha R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2438 Comment
  UCR100578  Hydrocotyle umbellata A. C. Sanders, T. Tennant 1997-11-14 21598 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  LA203762  Hymenoclea salsola var. fasciculata D. Birindelli; 1969-3-9 Riverside near Palm Desert 121 Comment
  POM7077  Hypericum androsaemum P. A. Munz, L. F. Street 1919-5-7 2737 Riverside Mouth of Tahquitz Canyon. Comment
  UCR117718  Hypochaeris radicata Mitch Provance 1998-6-6 622 B Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  CAS-BOT-BC219753  Hyptis emoryi E. A. McGregor 1917-3-18 730 Riverside 5 miles up Painted Canon [Canyon] Comment
  JEPS63222  Hyptis emoryi E. E. Schellenger May 1920 Riverside canyon e Coachella (Colorado Desert); , e of Coachella Comment
  POM310159  Hyptis emoryi Hulda Crooks 1946-3-2 250 Riverside Palm Springs area. 139 Comment
  RSA306724  Hyptis emoryi Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1718 Riverside Near Desert Center-Indio. Comment
  UC1714339  Hyptis emoryi T. A. Geissman Riverside Box Canyon 3 mi e Mecca; Box Canyon e of Mecca Comment
  UCLA61522  Hyptis emoryi S. Atsatt 1926-4-17 Riverside Palm Springs Comment
  UCR123825  Hyptis emoryi Steven R. Hill 2001-5-3 33650 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 1.0-1.5 mi SW of Calif. Hwy 111, Palm Springs.Boundary of Palm Springs Aerial Tramway property, at entrance gate 610 Comment
  SEINET9369856  Hyptis emoryi Unknown 1936-12-19 Riverside Riverside Co., CA (elev 500') 152 Comment
  POM361285  Isocoma acradenia var. eremophila Allen 1921-10 s.n. Riverside Palm Springs. Comment
  RSA770794  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4534 -a Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR101342  Isocoma menziesii var. vernonioides A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR193358  Isoetes orcuttii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35625 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UC667309  Isomeris arborea Annie M. Alexander and Louise Kellogg 1941-5-12 2162 Riverside Eagle Mountains Colorado Desert (road to Black Eagle Mine) 670 Comment
  UC857716  Isomeris arborea Lewis S. Rose 1938-12-18 38323 Riverside Palm Springs 137 Comment
  UCR120691  Isomeris arborea Helen Kennedy, T. B. Salvato 2002-2-2 5446 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  SEINET8518930  Johnstonella angustifolia K. L. Chambers, H. L. Chambers 2004-4-6 6387 Riverside Plain just S of S border of Joshua Tree National Park, Cottonwood Springs Road, 0.25 mile N of Hwy [Interstate] 10, 22 miles E of Indio. Comment
  SD240767  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37150 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  JEPS66902  Juncus acutus subsp. leopoldii W. L. Jepson 1914-5-22 6041 Riverside e of Thousand Palms; Colorado Desert, Palm Canyon Comment
  UCR232054  Juncus balticus John F. Green 2008-4-22 06- 05 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  UCR220333  Juncus bufonius D. E. Bramlet 1992-4-29 2252 A Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, west edge of Hemet, west of Warren Rd. and north of Florida Ave./Hwy 74 457 Comment
  UC1931233  Juncus effusus Scott D. White, Justin Wood 2008-7-10 12451 Riverside San Jacinto Mountains: Fobes Spring (Palm View Peak) Comment
  JEPS67059  Juncus oxymeris Carl V. Meyer 1928-7-30 583 Riverside Saunder's Meadow San Jacinto Mts. Comment
  RSA0086968  Juncus rugulosus H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Bernardino Mts. 541 Comment
  JOTR31801  Juncus xiphioides La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2103 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  JOTR35511  Juncus xiphioides La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3198 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  RSA737216  Juncus xiphioides Justin M. Wood 2008-9-30 171 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  JOTR30097  Juniperus californica La Doux, Tasha, Alice Miller 2007-5-8 1736 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  UC1212184  Juniperus californica H. E. and S. T. Parks 1940-2-1 24176 Riverside Palms to Pines Hwy Santa Rosa Canyon 1066 Comment
  CAS-BOT-BC234565  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs 138 Comment
  POM308149  Justicia californica Henry J. Ramsey, Henry J. Ramsey 1938-4-26 2926 Riverside Near Desert Center-Indio. Comment
  RSA782280  Justicia californica R. W. Spjut 2008-2-29 16210 Riverside Sonoran Desert. BLM: Red Cloud Road just west of Desert Center, about 8 miles SE of I-10 along Red Cloud Road, Chuckwalla Bench 570 Comment
  SEINET10437453 Image available Justicia californica Richard Walker 1967-4-30 59 Riverside Palm Desert on south side of Carriage Road ca 2 miles east of state highway 74 (Pines to Palms Highway) Comment
  UCR120689  Justicia californica Helen Kennedy, T. B. Salvato 2002-2-2 5453 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR226997  Justicia californica Jim Andre 2011-2-2 16217 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  SD254720  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40414 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, along Chuckwalla Valley Rd., 2.9 km west of I-10 junction. 120 Comment
  SEINET3102118  Kallstroemia californica Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17459 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  CLARK-A1528-853  Keckiella antirrhinoides C. M. Flanagan 1973-5-31 OO 609 Riverside Morongo Indian Reservation 914 Comment
  RSA293252  Keckiella antirrhinoides D. C. Michener 1980-5-8 3660 Riverside San Bernardino NF Bee Canyon: canyon bottom and slopes with Quercus, Heteromeles, Adenostoma, Salvia, etc. 600 Comment
  LA98032  Keckiella antirrhinoides var. antirrhinoides Elizabeth McClintock; 1936-7-27 sn Riverside San Jacinto Mts., Near Tahquitz Peak Comment
  NY786519  Keckiella antirrhinoides var. antirrhinoides I. W. Clokey 1936-4-16 6885 Riverside Along San Jacinto River, East of Hemet 600 Comment
  NY786520  Keckiella antirrhinoides var. antirrhinoides I. W. Clokey 1936-4-16 6885 Riverside East of Hemet along San Jacinto River 600 Comment
  UCR93813  Keckiella antirrhinoides var. antirrhinoides P. J. MacKay 1996-6-15 009 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  CLARK-A1528-4278  Keckiella cordifolia John C. Roos, Lucille Roos 1952-6-24 5786 Riverside Beaumont 731 Comment
  RSA543938  Keckiella cordifolia Steve D. Boyd 1991-5-10 6216 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  CAS-BOT-BC246208  Keckiella rothrockii J. Ewan 1930-8-31 2151 Riverside Round Valley, San Jacinto Mts. 2743 Comment
  UC103114  Keckiella rothrockii var. jacintensis S. B. and W. F. Parish Aug 1880 473 Riverside San Jacinto Mts. Comment
  SD178242  Keckiella ternata T. B. Salvato, John F. Green 2004-5-27 580 Riverside San Bernardino Mountains; head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 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
  UC38719  Koeleria macrantha H. M. Hall 1901-6-20 2206 Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1645 Comment
  RSA0050253  Krameria bicolor J. M. Andre 2013-3-27 24838 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 Comment
  UCD107113  Krameria bicolor Marian L. Vincent; Richard H. Swade 1963-10-19 449 Riverside Snow Creek Road, 1 mile from its intersection with California State Hwy. 111. 365 Comment
  JOTR32650  Krameria erecta La Doux, Tasha, Bill Truesdell 2007-11-9 2518 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Mouth of canyon parallel to and east of Lost Palms Canyon (Stop 4) 649 Comment
  JEPS64828  Krameria grayi W. L. Jepson 1901-5-22 1394 Riverside Palm Canyon Mt. San Jacinto (and return to Van Deventer's Ranch); , Palm Canyon Comment
  RSA0125181  Lactuca serriola Duncan S. Bell 2016-10-27 10205 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  SEINET10598982  Lamarckia aurea Charles L. Hitchcock, C. V. Muhlick 1962-3-16 Hitchcock 22152 Riverside Temescal Canyon, ca. 12 miles SE of Corona, on sandy soil, growing with other rank annuals. Comment
  POM10415  Langloisia setosissima subsp. setosissima Charlotte M. Wilder 1907-4-6 712 Riverside Whitewater Ranch Comment
  RSA469610  Langloisia setosissima subsp. setosissima T. W. Minthorn 1926-5-13 14832 Riverside East of Banning Comment
  RSA469611  Langloisia setosissima subsp. setosissima L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River. Comment
  CAS-BOT-BC166017  Larrea tridentata Geo. B. Grant 1906-4-8 6724 Riverside Palm Springs Comment
  CAS-BOT-BC183259  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  RSA652039  Larrea tridentata Bill Trimble 1949-2-20 s.n. Riverside Found in Whitewater Canyon in the Colorado Desert 10 miles off highway 99. 457 Comment
  CAS-BOT-BC338926  Lasthenia californica Lemmon 1886-5-1 s.n. Riverside San Gorgonio Pass Comment
  CAS-BOT-BC338933  Lasthenia californica F. W. Peirson 1922-4-29 4520 Riverside Lake Elsinore 374 Comment
  CLARK-A1528-1089  Lasthenia coronaria Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  POM361562  Lasthenia coronaria Ora M. Clark 1929-2-22 1585 Riverside N. Whitewater. Comment
  RSA493827  Lasthenia coronaria Maureen H. Pendleton 1988-2-22 s.n. Riverside Rancho Calif. area. ca. 8 mi. (airline) NW of Temecula, between Bruce Lane & Via View Dr. 732 Comment
  SD215406  Lasthenia coronaria W. Wisura, A. King and L. Newcomb 1992-4-10 4670 Riverside Mission Creek Ranch, west of Highway 62 below Morongo Valley. Comment
  UCSB12880  Lasthenia coronaria 1962-3-11 Riverside San Jacinto River, 6.5 miles southeast of State 79, on State 74 in Hemet 579 Comment
  UCR252807  Lasthenia glabrata subsp. coulteri Ana Hernandez, Rose Cook 2013-4-12 043 Riverside Perris Aguanga Basin, 290 meters south of Highway 79, 760 meters west of Warren Road, Upper Salt Creek, Hemet 457 Comment
  POM361595  Lasthenia gracilis N. C. Cooper 1947-4-5 2099 Riverside Alamos Canyon, Elsinore 762 Comment
  RSA585980  Lasthenia gracilis Adree M. Desrochers 1990-4-19 472 Riverside Near Lake Matthews, along Cajolco Road, on hills on the N side of road, 5.3 km E of intersection Hwy 15 and Cajalco Road Comment
  SBBG103913  Lasthenia gracilis S. D. White 1993-4-20 1215 Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UCR140447  Lasthenia gracilis A. C. Sanders, Guy Bruyea 2004-4-2 27425 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  RSA608358  Lathyrus vestitus subsp. vestitus Leota Brice 1930-4-13 30 Riverside San Jacinto Mts. Comment
  SDSU13576  Lathyrus vestitus var. alefeldii C. Mosse, W. Miller 1972-7-11 Riverside Comment
  UC1128965  Lathyrus vestitus var. alefeldii A. Lewis 1934-3-1 357 Riverside Hagador Canyon Cleveland National Forest, Corona Quad. 1082 Comment
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Dec 11 2011
  UC489135  Lathyrus vestitus var. vestitus C. V. Meyer Jun 1927 168 Riverside San Jacinto Mts. 1676 Comment
  SD227754  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mountains: East Branch Millard Canyon, along FS Road 4S45 1200 Comment
  UCR13437  Layia glandulosa Mike McCloskey 1973-5-19 s.n. Riverside San Jacinto Mtns, off Hwy 74 between Valle Vista and Mountain Center 915 Comment
  UCR87663  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  CAS-BOT-BC379666  Layia platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  SD137866  Layia platyglossa Darin L. Banks, Steve Boyd 1995-5-9 380 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, west of the Dripping Springs Alcove Area. 700 Comment
  UCR211724  Lemna minuscula Fred M. Roberts, Ileene Anderson 2005-5-20 6208 Riverside Perris Basin, San Jacinto Valley, field 0.5 km west of Sanderson Road, 3.2 km southwest of Gilman Hot Springs 446 Comment
  CLARK-A1528-5691  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  RSA231128  Lepechinia cardiophylla Dick Potter 1970-8-1 s.n. Riverside ca. 20 mi. SSE of Corona on Horsethief trail in vicinity of Main Divide Rd. 1220 Comment
  UCR113898  Lepidium chalepense Mitch Provance 1998-4-13 430 Riverside City of Riverside, Vacant lot on Arlington Ave., between Hillside and Phoenix. 232 Comment
  UCR76169  Lepidium densiflorum A. C. Sanders 1993-4-1 13668 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA429906  Lepidium fremontii Robert Gustafson 1981-4-7 1255 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  UCR142746  Lepidium fremontii C. B. Wolf 1932-4-27 3043 Riverside Western Colorado Desert, Chuckwalla Valley, Mecca to Blythe road [Hwy 10], 0.75 mile west of Utopia 152 Comment
  RSA429920  Lepidium lasiocarpum N. R. Zabriskie, W. M. Zabriskie 1973-4-3 611 Riverside ''Poor-will Canyon'' (T5S, R4E, NE1/4 Sec 3), Palm Canyon drainage, E slope San Jacinto Mtns. 426 Comment
  RSA429921  Lepidium lasiocarpum Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UCR249507  Lepidium lasiocarpum T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7285 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  JOTR35320  Lepidium lasiocarpum var. lasiocarpum Harding, Mitzi, Mark Wheeler 2012-2-28 88 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  UCR68503  Lepidium latifolium Chet McGaugh 1991-6-20 91- 01 Riverside Peninsular Range, Murrieta Hot Springs Area: c. 1 mi east of Hwy I-215, south of and adjacent to Murrieta Hot Springs Road 348 Comment
  RSA574745  Lepidium nitidum Steve Boyd 1982-3-30 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain, just east of extensively mined area. 427 Comment
  UCR14224  Lepidium nitidum June Latting 1979-3-26 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR106731  Lepidium virginicum var. robinsonii John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR77762  Lepidospartum squamatum Steve Boyd 1991-9-8 6430 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  SEINET10588834  Leptochloa fusca subsp. uninervia Paul M. Peterson 1988-8-24 Peterson 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), just N of Cedar and Mountain, NE end of Hemet. Sandy wash. Comment
  UC455471  Leptodactylon pungens I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  RSA0103570  Leptosiphon floribundus subsp. floribundus Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8587 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  SD135280  Leptosiphon floribundus subsp. floribundus Craig Reiser, Dylan Hannon 1993-5-30 Riverside SE flank of Santa Rosa Peak Comment
  RSA339069  Leptosiphon lemmonii R. F. Thorne, C. W. Tilforth 1980-5-28 54241 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  OBI70236  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Cyn: terrace escarpment between Horsethief wash and Indian Truck Trl, S of I-15 Comment
  POM48739  Leptosiphon liniflorus P. A. Munz 1924-7-29 8820 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  SEINET11810766  Lessingia glandulifera var. glandulifera Unknown 1960-1 583 Riverside 4.7 mi E of Anza on road to Santa Rosa Summit 1372 Comment
  RSA570690  Leymus triticoides Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8196 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  RSA741260  Leymus triticoides Scott D. White, Justin M. Wood 2008-6-17 12180 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC577612  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside near Hemet Reservoir; San Jacinto Quadrangle Comment
  UCR260894  Ligustrum japonicum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41526 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  RSA377162  Lilium parryi M. B. Dunkle 1933-7-20 3708 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA741006  Limnanthes gracilis subsp. parishii Scott D. White, Justin M. Wood 2008-6-18 12218 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  SD132311  Linanthus californicus T. D. Hacker 1990-5-3 12 Riverside East side of Laguna Mountains, ca. 4.0 miles north of Highway 74 on a dirt road leading to Lake Elsinore; on a cliff above the road. 518 Comment
  RSA689694  Linanthus ciliatus Valerie L. Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1702 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  HSC85324  Linanthus dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC880279  Linanthus floribundus subsp. glaber P. A. Munz 1922-6-27 5859 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  RSA612619  Linanthus lemmonii D. L. Banks, Victor W. Steinmann 1997-3-13 1504 Riverside Agua Tibia Mountains: Vail Lake area, north and just S 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
  UCR201447  Linanthus liniflorus Scott D. White, Justin M. Wood 2008-6-5 12071 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  RSA0116624  Linanthus maculatus J. Mark Porter, Sarah J. De Groot 2005-3-9 14256 Riverside Along Whitewater Canyon Road, E of the road on a bench overlooking a dry wash, W of the river. 460 Comment
  RSA657236  Linanthus maculatus J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12333 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA705492  Linanthus maculatus J. Mark Porter, Sarah J. De Groot 2005-3-9 14246 Riverside E. of State Route 62, on paved road between Peirson Blvd. and Indian Ave., N of the Metropolitan Water District Reservoir, Morongo Valley; on both sides of the road. 486 Comment
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Jan 28 2008
  CLARK-A1528-3486  Linanthus pygmaeus John C. Roos 1950-4-22 4757 Riverside Reche Canyon 822 Comment
  UCR113036  Linaria canadensis var. texana Mitch Provance 1998-3-26 279 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on north side of Granite Hill Dr. 305 Comment
  UCR20554  Linum lewisii W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR119830  Linum lewisii var. lewisii George K. Helmkamp 1998-6-27 4110 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
  UC11877  Lithophragma affine H. M. Hall 1897-3-27 410 Riverside Rawson Hills Comment
  RSA0010981  Lithophragma affine P. A. Munz, I. M. Munz 1922-5-19 5387 Riverside 3 miles west of Keen Camp. 1494 Comment
  RSA632878  Lithophragma affine subsp. affine R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38141 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  POM153404  Lobelia cardinalis subsp. graminea P. A. Munz, I. M. Johnston 1928-9-12 11303 Riverside 2 miles S of Murrieta. Comment
  JOTR30672  Loeseliastrum matthewsii La Doux, Tasha, Jim Andre 2008-3-21 141 Riverside Joshua Tree National Park. N. side of paved road to Cottonwood, at Fried Liver Wash crossing 557 Comment
  JOTR32966  Loeseliastrum matthewsii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2717 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM8008  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-2 3569 Riverside Ford's well, west of Blythe. 305 Comment
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Dec 13 2016
  SD4015  Loeseliastrum schottii Fidella G. Woodcock 1926-3-15 Riverside Palm Springs Comment
  UCSB28365  Loeseliastrum schottii Speckels, M. 1974-3-23 Riverside 0.3 mi. west of junction of Hwy 74 and Hwy. 111; in Palm Desert 152 Comment
  POM9195  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-4 3525 Riverside Pass south of Palm Springs. 152 Comment
  SD140195  Logfia filaginoides Scott White 1993-4-22 1253 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  SEINET10927379  Lolium multiflorum Walter Graves 2002-5-15 Graves 502 -27 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields Riverside East 7.5' Q. cv. "Gulf". 305 Comment
  RSA343108  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60648 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  RSA179517  Lolium temulentum E. W. Lathrop 1964-6-7 4877 Riverside 14 miles west of Murrieta, Redonda Mesa Comment
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Apr 28 2011
  SBBG28442  Lomatium mohavense D. Myrick 1964-4-30 826 Riverside Pines to Palms Highway (St Hwy) 74, 15 mi W of Palm Desert 1219 Comment
  RSA628481  Lonicera interrupta A. C. Sanders 1994-5-30 14585 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  CAS-BOT-BC234885  Lonicera subspicata var. denudata Steve Boyd 1986-5-7 1831 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  CAS-BOT-BC234890  Lonicera subspicata var. denudata E. K. Balls; P. C. Everett; S. Tillett 1955-7-19 20973 Riverside San Jacinto Mts., Hwy. 74, Hemet to Idyllwild, 2.8 mi. nw. from Mountain Center 1188 Comment
  UCR243569  Lotus argophyllus Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21100 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
  RSA406724  Lotus argophyllus subsp. argophyllus B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1481 Riverside Murray Canyon, Palm Springs 457 Comment
  RSA249868  Lotus crassifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38155 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmore 1677 Comment
  RSA406102  Lotus crassifolius B. C. Templeton 1953-7-26 s.n. Riverside Near Idyllwild Comment
  GMDRC2043  Lotus heermannii J. Andre 2006-4-26 6757 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  POM48827  Lotus nevadensis var. nevadensis P. A. Munz, I. M. Johnston 1924-7-28 8797 Riverside Pine Flats 1738 Comment
  RSA89921  Lotus nevadensis var. nevadensis E. K. Balls, Percy C. Everett 1953-7-1 18349 Riverside 5 mi. NW of Idyllwild on road to Banning 1524 Comment
  RSA771105  Lotus procumbens var. procumbens Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4734 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  JEPS55766  Lotus purshianus var. purshianus Carl V. Meyer 1928-7-30 588 Riverside Saunders Meadow Comment
  JEPS55820  Lotus rigidus L. M. Newlon 1922-4-4 460 Riverside Palm Canyon San Jacinto Mts. Comment
  JOTR31881  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  RSA0042918  Lotus salsuginosus var. brevivexillus Duncan S. Bell, Evan Meyer 2014-4-2 6497 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA525260  Lotus salsuginosus var. salsuginosus Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota, Bob Boyd 1990-5-3 4573 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  UCR25958  Lotus salsuginosus var. salsuginosus John C. Roos, L. Roos 1952-5-19 5694 Riverside One year old burn on hills north of Moreno 518 Comment
  UCR178523  Lotus scoparius subsp. brevialatus R. G. Swinney 1967-2-12 0025 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  RSA182340  Lotus scoparius var. brevialatus J. D. Olmsted 1962-5-1 3430 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto 945 Comment
  RSA716258  Lotus scoparius var. brevialatus Scott D. White, Angelia Carey 2004-4-5 10005 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR22093  Lotus scoparius var. brevialatus Steve Boyd 1980-5-11 243 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  JEPS55810  Lotus strigosus W. L. Jepson 1927-4-12 11639 Riverside n of Mecca Hills; Painted Canyon 76 Comment
  RSA627854  Lotus strigosus A. C. Sanders 1994-5-30 14592 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA689379  Lotus strigosus Scott D. White 2001-4-18 8366 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA768759  Lotus strigosus Jim Andre, Tasha La Doux 2010-2-28 12563 Riverside Lower Colorado River Valley; along Hwy 94 approx. 25 miles north of Blythe, on east side of Big Maria Mountains. 83 Comment
  SEINET3560021 Image available Lotus strigosus L. R. Abrams 1941-4-23 13928 Riverside White Water Wash, Palm Springs railroad station Comment
  UCR102952  Lotus strigosus George K. Helmkamp 1998-4-4 3153 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR116468  Lotus strigosus A. C. Sanders, T. B. Salvato 2001-3-30 23866 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR225719  Lotus strigosus A. C. Sanders 2011-3-30 38908 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR42356  Lotus strigosus var. hirtellus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 189 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR108400  Lotus strigosus var. strigosus D. L. Banks, V. W. Steinmann 1997-3-13 1458 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
  PASA1115  Lotus subpinnatus Frank W. Peirson 1930-5-10 Riverside Hemet Plateau near March Field 457 Comment
  RSA508005  Lotus tomentellus Steve Boyd, Carol Boyd, Kyle Boyd, R. Noyes, L. Arnseth 1988-5-28 2303 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  POM349939  Lupinus arizonicus Robert Gustafson 1978-3-21 843 Riverside Joshua Tree National Monument, about 4 miles from the junction of the road leading through the park and Hwy 70. 640 Comment
  RSA777758  Lupinus arizonicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1079 Riverside Shavers Well area of Mecca Hills 305 Comment
  UC1595796  Lupinus bicolor W. Wisura, A. King, and L. Newcomb 1992-4-10 4672 Riverside Stubbe Canyon n West Palm Springs (Gorgonio Pass); , Stubbe Canyon Comment
  UCD107123  Lupinus bicolor Rimo Bacigalupi; L. Heckard 1962-3-25 8406 Riverside near headwaters of Temescal Wash and Canyon, western base of Estelle Mtn. and just opposite Indian Canyon (from west); 3.3 miles northwest of Alberhill. 335 Comment
  UCR138835  Lupinus bicolor subsp. microphyllus D. L. Banks 1997-4-5 1676 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  RSA407125  Lupinus chamissonis Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SBBG69034  Lupinus concinnus M. N. Ackley -Mar-1922 524 Riverside Murrieta Hot Springs 398 Comment
  SD144460  Lupinus concinnus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19883 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Balck Mtn, along the road. 518 Comment
  POM2536  Lupinus concinnus subsp. optatus H. M. Hall 1901-06 2067 Riverside South side of San Jacinto Mountains 1646 Comment
  UCR35026  Lupinus concinnus subsp. optatus L. B. Ziegler 1969-5-5 353 Riverside San Jacinto Mtns,, Hemet Valley ( = Garner Valley). 1402 Comment
  SEINET3101942  Lupinus excubitus Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17364 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UCR100820  Lupinus excubitus G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  RSA413572  Lupinus excubitus var. austromontanus Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  UCR117078  Lupinus excubitus var. hallii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23952 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 345 Comment
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Apr 3 2011
  UCR35349  Lupinus excubitus var. hallii L. B. Ziegler 1967-4-25 120 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  SEINET7123947 Image available Lupinus hirsutissimus G. Gust, L. Nye 2005-1 542 Riverside Hwy 74 ca. 2 mi W of Lake Elsinore; Lake Elsinore city limits 691 Comment
  RSA699933  Lupinus hyacinthinus Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto mountains, near Hemet Lake Comment
  UCR102897  Lupinus microcarpus var. densiflorus A. C. Sanders 1997-4-3 20177 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
  CLARK-A1528-502  Lupinus polycarpus Charlotte Stocks 1962-6-25 Riverside Whitewater Canyon Comment
  CDA27580  Lupinus sparsiflorus T. C. Fuller 1964-4-14 11817 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  RSA614167  Lupinus sparsiflorus D. L. Banks 1997-2-23 1310 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
  UC284920  Lupinus sparsiflorus P. A. Munz 1923-6-14 7102 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts., 914 Comment
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Apr 1 2013
  UCD109470  Lupinus sparsiflorus Rimo Bacigalupi; L. Heckard 1962-3-25 8408 Riverside lower slopes of Estelle Mountain, along state highway 71, near junction of road to Warm Springs Valley. 335 Comment
  UCR78444  Lupinus sparsiflorus Scott D. White 1993-4-22 1244 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  RSA0028835  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55500 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA414396  Lupinus truncatus E. Crow 1929-4-7 300 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  UC1537126  Lupinus truncatus Gordon H. True Jr. 1935-4-8 228 Riverside Mockingbird Canyon 457 Comment
  UCSB10439  Lupinus truncatus Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road; from State Rd. 111; Colorado Desert Drainage Area; San Jacinto Mountain Range 609 Comment
  CAS-BOT-BC231416  Lycium andersonii E. A. McGregor 1917-3-18 s.n. Riverside Colorado Desert. 7 mi up Painted Canion [Canyon] Comment
  CAS-BOT-BC231427  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside About 5 miles n.e. of Aguanga Comment
  CHSC1919  Lycium andersonii M. Anthony 1954-4-15 Riverside So. of Joshua National Monument, near Hiway 60. Comment
  UCSB5905  Lycium andersonii Haller, John 1960-4-3 Riverside south side of US 60-70; 5.8 miles east of Desert Center 243 Comment
  CAS-BOT-BC231479  Lycium brevipes var. brevipes E. A. McGregor 1917-3-19 2050 Riverside Colorado Desert. Fig Tree John's west shore of Salton Sea Comment
  RSA0055014  Lycium cooperi James R. Shevock 1971-5-8 1045 Riverside Near Skull Cap. Joshua Tree National Monument. 1371 Comment
  RSA680490  Lythrum californicum Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9589 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  SBBG4653  Malacothamnus fasciculatus var. fasciculatus H. and M. Dearing 1937-11-28 2815 Riverside S side of Santa Rosa Mtn above Ribbonwood Comment
  RSA501062  Malacothrix clevelandii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3179 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR281210  Malacothrix clevelandii Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 32 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
  UCR121343  Malacothrix saxatilis A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25028 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  IRVC79  Malosma laurina Mike Munier 1965-1 s.n. Riverside 1/4 mile S of Keen Camp Summit [along Hwy 74 SE of Mountain Center]. Peninsular Ranges, San Jacinto Mountains Comment
  SD232712  Malva parviflora Scott White 1994-6-23 2097 Riverside San Gertrudis Creek, ca. 1 mi E of Skunk Hollow. Batchelor Mountain Quad; 395 Comment
  POM293100  Malva sylvestris Lyman Benson 1946-4-15 12016 Riverside 6 miles SE of Redlands 610 Comment
  SD122923  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golf course Comment
  UCR59719  Malvella leprosa George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  RSA675053  Marina parryi Scott D. White 2001-4-27 8418 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  UCR72199  Marina parryi Theo Glenn 1991-5-20 91- 99 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  CAS-BOT-BC71090  Marsilea vestita W. G. Wright; C. G. Pringle 1881-1-1 s.n. Riverside Riverside 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
  CLARK-A1528-2011  Matricaria matricarioides John C. Roos 1966-3-24 Riverside Winchester Comment
  RSA556507  Matricaria matricarioides Julie Greene 1993-4-3 1075 Riverside San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  RSA660553  Matricaria matricarioides Lydia Paneri 1982-4-17 12 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SBBG101666  Meconella denticulata S. Boyd 1991-5-20 6269 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary Comment
  UCR172233  Medicago polymorpha John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR112800  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  CHSC98225  Melica frutescens R. E. Riefner Jr. 2006-7-29 06 -350 Riverside Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW ca 0.75 mi from Leon Rd. UTM; 11S 0488764E 3736046N 579 Comment
  RSA526493  Melica frutescens Steve Boyd, Timothy S. Ross 1990-5-11 4689 A Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  CLARK-A1528-5176  Melica imperfecta John C. Roos 1950-4-22 4752 Riverside Box Springs Mountains 792 Comment
  UCR109513  Melica imperfecta Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  SEINET11678863  Melica imperfecta Unknown 1936-1 12769 Riverside 5 mi E of Banning Comment
  UCR82277  Melilotus albus J. M. Stewart 1994-5-2 855 Riverside Western Colorado Desert, Coachella Valley, Thermal. Polk Street and Airport Blvd. Comment
  CSUSB1109  Melilotus indicus Leland E. Francois 1966-3-27 32766 1 Riverside City of Riverside, lower southeast slope of Mount Rubidoux, just up the slope from Glenwood Drive. 297 Comment
  UCR22078  Melilotus indicus Steve Boyd 1980-5-3 181 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR260574  Mentzelia A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41532 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  UCR17931  Mentzelia albicaulis A. C. Sanders 1976-4-20 00418 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  CSUSB970  Mentzelia involucrata Art Whistler 1966-3-26 s.n. Riverside 1 mile below the entrance to the Philip L. Boyd Desert Reseach Center, Deep Canyon. 100 yards off the road in a deep wash Comment
  JOTR32169  Mentzelia involucrata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2321 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  RSA758329  Mentzelia involucrata Doug Goldman 2005-3-3 3035 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  RSA49379  Mentzelia jonesii P. A. Munz 1949-4-11 12997 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  UCR59609  Mentzelia micrantha Ed LaRue 1989-5-3 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon 488 Comment
  SBBG4859  Mentzelia veatchiana C. H. Muller 1952-4-6 9500 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree National Monument Comment
  HSC85400  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Temescal Canyon, Warm Springs Valley, Alberhill Creek E of Nichols Rd. 366 Comment
  UCR85581  Microseris campestris Julie A. Greene 1993-4-30 1289 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  UCR189562  Microseris douglasii subsp. platycarpha Theresa Johnson 2006-5-2 069 Riverside Peninsular Range, Aguanga Basin, north shore Lake Skinner, c. 100m west of road at base of Bachelor Mountain 447 Comment
  UCR281220  Microseris heterocarpa Mitch Provance, Jeremiah George 2017-3-23 317- 41 Riverside Temescal Valley, east side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail 361 Comment
  UCR213532  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37799 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  SEINET2053747 Image available Microseris linearifolia Richard Montijo 1990-4-27 Riverside Rancho California area; E of Santa Rosa Plateau, Green Meadow Road off de Potola Road. Sage 7.5 Quad 609 Comment
  RSA0013705  Microsteris gracilis LeRoy Gross, Grace Cho 2013-4-9 6001 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA0018775  Mimetanthe pilosa Carl B. Wolf 1932-8-5 3930 Riverside Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  SEINET10796646  Mimulus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12837 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  UC943864  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 B Riverside Temecula Grade Comment
  UCR112307  Mimulus aurantiacus var. puniceus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23451 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR158447  Mimulus aurantiacus var. puniceus S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  JEPS8159  Mimulus bigelovii var. bigelovii W. I. Follett 126 Riverside 5 mi w Desert Center; Colorado Desert Comment
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Sep 3 2011
  RSA757455  Mimulus brevipes Robert F. Thorne, Walter Wisura, Dave Mitchener 1982-1 55188 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
  RSA50325  Mimulus diffusus E. K. Balls 1949-5-4 13488 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1372 Comment
  UCR142934  Mimulus fremontii Scott D. White 1999-6-6 7440 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  UCR114543  Mimulus guttatus A. C. Sanders, K. C. Rose 1999-6-18 22811 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UC489084  Mimulus inodorus C. V. Meyer 1928-7-26 524 Riverside 1/2 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  UCR133324  Mimulus pilosus 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
  SBBG35039  Minuartia douglasii T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  UCR51974  Mirabilis bigelovii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, et al. 1988-3-10 2112 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  JOTR16749  Mirabilis bigelovii var. bigelovii Dengler, A. 1966-5-31 116 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1280 Comment
  GMDRC4942  Mirabilis bigelovii var. retrorsa J. Andre 2011-2-18 15818 Riverside Coachella Valley: north end of valley at base of Morongo Canyon, 0.5 mi. N. of Indian Cyn Rd, 1 mi. west of Hwy 62. 473 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
  UCR101799  Mirabilis californica George K. Helmkamp, E. A. Helmkamp 1997-3-5 1319 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR115410  Mirabilis californica Mitch Provance 1999-4-3 1753 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  RSA0107846  Mirabilis laevis var. crassifolia Duncan S. Bell, Amanda Turek 2009-3-30 170 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  SD1506  Mirabilis laevis var. crassifolia E. Jaeger 1925-12-12 Riverside Eagle Canyon, 4.5 miles east of Palm Sprins. Comment
  SEINET3142104  Mirabilis laevis var. crassifolia P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon, 2 mi N of Banning - Indio blvd. Comment
  UCR243169  Mirabilis laevis var. retrorsa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4334 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UCR201623  Mirabilis multiflora var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12128 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  CLARK-A1528-4225  Mohavea confertiflora John C. Roos 1937-4-28 1287 Riverside Desert Center Comment
  UC310590  Mohavea confertiflora Philip A. Munz 1926-1-31 9961 Riverside Colorado Desert, Dos Palmos Spring Dos Palmos Spring; Colorado Desert, Dos Palmos Spring Comment
  UCR196365  Mohavea confertiflora Naomi Fraga, Lisa Rojas 2005-2-10 1359 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  POM10087  Monardella australis subsp. australis C. Epling s.n. Riverside San Jacinto Mtns., Tahquitz Valley Comment
  UC456087  Monardella breweri subsp. lanceolata I. J. Condit 1910-6-21 Riverside Strawberry Valley, San Jacinto Mts. 1676 Comment
  RSA753939  Monardella lanceolata W. Schlegel 2009-6-2 44 Riverside Idyllwild, Red Mountain Fire Lookout Telecom Sites. Comment
  CAS-BOT-BC215493  Monardella nana E. McClintock; H. Lewis 1941-6-29 76 Riverside Road up Santa Rosa Mt. 1/2 mile beyond canyon where stream crosses road Comment
  IRVC2057  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-11 SJ 381 Riverside Santa Rosa mountain Road; middle of slope 20 degree E. Peninsular Ranges, Santa Rosa Mountains 1829 Comment
  LA57207  Monardella nana Carl Epling; 1937-6-6 sn Riverside Palms to Pines Highway Comment
  LA96091  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mountain, 0.5 mi. beyond Black Mountain Spring Comment
  LA96093  Monardella nana Elizabeth McClintock; 1941-5-31 51 Riverside 6 mi from Anza turn off Comment
  LA96095  Monardella nana Elizabeth McClintock; 1941-7-10 91 Riverside San Jacinto Mountains, short distance from top of Suicide Rock Comment
  LA96104  Monardella nana Elizabeth McClintock; 1941-7-21 129 Riverside San Jacinto Mountains, trail from Round Valley Comment
  UC1499896  Monardella nana Elizabeth McClintock 1941-6-8 57 Riverside Road to Santa Rosa Mt. 1/2 miles above Pines to Palms Highway Comment
  UC1499907  Monardella nana Elizabeth McClintock 1941-6-8 66 Riverside 0.2 mi east of Ribbonwood Camp, Pines to Palms Highway Comment
  RSA50569  Monardella nana subsp. arida E. C. Jaeger 1949-7-25 s.n. Riverside Virgin Spring, north slope of Toro Peak. Santa Rosa Mtn. 2378 Comment
  RSA651659  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 126 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  UCR221463  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 040 Riverside Peninsular Range; San Jacinto Mtns. Region, [Anza Valley] 1.5 to 2 miles from [south of] turnoff to Anza Monument [from modern Hwy 371] on road to Coyote Canyon 1296 Comment
  UCR221479  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 047 Riverside Peninsular Range; San Jacinto Mtns. Region, [Terwilliger Valley] 5.5 miles from [south of] turnoff to Anza Monument [from modern Hwy 371, toward Coyote Canyon] 1180 Comment
  UC1499829  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 126 Riverside trail to Hidden Lake (below the point at which the switchbacks begin); San Jacinto Mts. Comment
  RSA65882  Monolepis nuttalliana F. W. Peirson 1918-03 1834 Riverside Field near Indio. Comment
  JEPS26555  Monoptilon bellioides Peter Kamb 1948-4-11 885 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley 304 Comment
  POM36544  Monoptilon bellioides Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA124110  Monoptilon bellioides P. C. Everett, B. K. Balls 1958-4-29 22959 Riverside U.S. Hwy 60/70, Indio to Blythe, 5 mi. E from jct. with U.S. Hwy 99 122 Comment
  RSA776335  Monoptilon bellioides Duncan S. Bell, Amanda Turek 2010-4-10 820 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA777627  Monoptilon bellioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 764 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  SEINET2053859 Image available Monoptilon bellioides Norman C. Cooper 1949-4-8 3236 Riverside Mecca Pass east of Indio. 609 Comment
  UC501449  Monoptilon bellioides Frank W. Peirson 1927-4-24 7899 Riverside Cottonwood Spring Comment
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Oct 9 2010
  UCD86498  Muhlenbergia andina Peter Ray Date Unknown 1937 Riverside Hall Canyon, San Jacinto Mtns. Comment
  RSA648069  Muhlenbergia asperifolia J. C. Roos 1946-9-14 3002 Riverside Dos Palmas Springs east of Asbestos Mt. 1066 Comment
  UCR185175  Muhlenbergia filiformis Naomi Fraga, Et al. 2006-7-11 1716 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  POM8787  Muhlenbergia microsperma P. A. Munz 1920-4-11 3810 Riverside Santa Ana River Canyon. 304 Comment
  RSA403582  Muhlenbergia microsperma Thekla Mohr 1920-05 s.n. Riverside Ivy Canyon, Temescal. Comment
  POM162481  Muhlenbergia richardsonis Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountains 1829 Comment
  RSA550483  Myosurus minimus subsp. apus D. E. Bramlet 1992-4-29 2255 Riverside The site is approximately 8 km southwest of Hemet. The vernal pools are located northwest of the intersection California Ave. and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Road and some 20-700 ft west of California Ave. 456 Comment
  SD217159  Myriopteris covillei Steve Boyd, Tim Ross & Laurel Arnseth 1990-3-30 3968 Riverside Vail Lake area, westerly draining canyon at north base of Big Oak Mountain 640 Comment
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Apr 17 2020
  SD122170  Myriopteris newberryi James C. Dice, Tu Chung 1987-10-19 738 B Riverside Head of shallow side canyon, N Side of Temecula Gorge, Santa Margarita River, ca.4 km ENE of Field Station site and ENE of weather station 330 Comment
  SD224778  Myriopteris newberryi Scott D. White 1996-3-16 3833 Riverside Lakeview Mts. N of Winchester, at Maze Stone Picnic Area. 579 Comment
  RSA718304  Nama demissa Michael Honer, L. Hulse 2004-4-2 1886 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  RSA727598  Nama demissa var. demissa Naomi S. Fraga, Lisa Rojas 2005-2-10 1387 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA179527  Nassella pulchra E. W. Lathrop 1964-5-10 5374 Riverside 10 miles west of Murrieta. 610 Comment
  SEINET225791  Nassella pulchra E. W. Lathrop 1959-5-29 4587 Riverside Cleveland National Forest ; 14 miles West of Murrieta Tenaja Canyon. Comment
  UC1931110  Nasturtium officinale Scott D. White, Justin Wood 2008-6-18 12229 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  RSA564113  Navarretia atractyloides Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  UCR114959  Navarretia fossalis Fred M. Roberts 1992-4-25 4871 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR88171  Navarretia fossalis Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  UCSB60198  Navarretia fossalis Bramlet, D. 1992-5-15 Riverside 183 m W. of Davis Road; 213 m N. of Marvin Road 433 Comment
  UC472767  Nemacaulis denudata var. gracilis Mary F. Spencer 1918-4-13 806 Riverside Palm Springs Colorado Desert 125 Comment
  SEINET10464925  Nemacladus Wagnon 1944-3-26 WAGNON 362 Riverside Among stones, in sand, open sun all day. Cathedral Canyon, Cathedral City Comment
  JEPS31042  Nemacladus longiflorus var. longiflorus W. P. and A. G. Vestal 1963-5-19 Riverside ca 1.5 mi ne Aguanga (granite slope to sw) Comment
  UCR30095  Nemacladus orientalis George K. Helmkamp 1983-4-5 483- 44 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR280622  Nemacladus ramosissimus Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 14 Riverside Gavilan Hills, Alberhill Canyon, tower site on ridge just west of Lake St., about 1 mile NNW of Lake St. and Walker Canyon Rd. 561 Comment
  UCR88123  Nemacladus rubescens A. C. Sanders, G. Nuhn 1995-4-20 16579 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  SEINET10873457  Nemacladus rubescens Mcneal 1979-4-20 MCNEAL 2209 Riverside Flash flood wash parallel to Highway 195, 9.9 miles southwest of its junction with Interstate 10 Comment
  SEINET10460920  Nemacladus sigmoideus Raven 1958-5-5 Raven 12890 Riverside Along road just west of Split Rock, Joshua Tree National Monument Comment
  CSUSB123  Nemophila menziesii R. Pirot 1975-4-27 Riverside Juniper Flats Rs. and Highway 74 at Homeland. 542 Comment
  SEINET7063415  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-29 s.n. Riverside About 6.2 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481169mE, 3727240mN. (WGS84/NAD83). 434 Comment
  RSA426701  Nicotiana glauca Clyde Stratton 1943-7-23 s.n. Riverside Riverside. Comment
  RSA426716  Nicotiana obtusifolia M. B. Dunkle 1935-4-17 4561 Riverside W. of Wiley Well. Colorado Desert. Comment
  SBBG92196  Nicotiana obtusifolia D. F. Howe 1980-4-16 Riverside 4 mi S of Intertstate 10 on Cornsprings Rd, Chuckwalla Mtns 335 Comment
  UCR139414  Nicotiana quadrivalvis P. A. Munz, R. D. Harwood 1920-5-5 3833 Riverside San Bernardino Valley Region, near Wineville [Mira Loma] 457 Comment
  UCR6135  Nicotiana quadrivalvis C. M. Bringle 1967-4-2 B670402- 3 Riverside Riverside, Mockingbird Canyon off Jackson St., 0.2 mi past 1645 Jackson, in ravine on S side, about 1/4 mi out 351 Comment
  RSA0124815  Nolina bigelovii Duncan S. Bell, LeRoy Gross 2016-3-9 8852 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA58896  Nolina parryi Sara M. Schenck 1950-6-8 15480 Riverside Below dam in wash above Desert Queen Mine, Joshua Tree National Monument. Comment
  UC575034  Nolina parryi C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UCR261565  Notholaena californica Joseph Cahill 2011-1-29 111- 08 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs 403 Comment
  RSA781799  Oenothera Duncan S. Bell 2010-5-1 881 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
  POM38728  Oenothera californica subsp. californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA0013274  Oenothera deltoides April Garbat, Sarah J. De Groot 2013-4-9 46 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  SD48535  Oenothera deltoides P. C. Everett, E. K. Balls 1958-4-29 23025 Riverside 5.3 miles northeast along road from Desert Center to Rice and Vidal Junction. 800 Comment
  JOTR35386  Oenothera deltoides subsp. deltoides Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 174 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  RSA525261  Oligomeris linifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4574 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  RSA698596  Oligomeris linifolia J. R. Bruff s.n. Riverside Palm Springs. Comment
  SBBG25820  Oligomeris linifolia E. R. Blakley 1966-4-9 6748 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  UCR75093  Oligomeris linifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12095 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0042209  Olneya tesota Joseph Brehm 2014-7-21 s.n. Riverside Collected along Dos Palmas Road, 0-0.5 miles northwest from intersection with Desertaire Road. Comment
  UC194829  Olneya tesota S. B. Parish 1916-5-13 10857 Riverside Shafer's Well; Colorado Desert Comment
  UCR252209  Oncosiphon piluliferum J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  UCR261558  Oncosiphon piluliferum James A. Phillips 2015-5-13 054 Riverside San Bernardino Valley, Box Spring Mountains Park, road to radio towers 750 Comment
  SEINET8674695  Opuntia X vaseyi Rosemary Trelease, Nancy Foisy, Joni Ward 2004-4-27 54525 Riverside Originally received into the Desert Botanical Garden living collection as a plant collected by Bruce Parfitt 3503 19 April 1986 with R. Anthony and A. Sanders from California, Riverside County, Pauba Valley, Highway 79 crossing of Temecula River (or Creek), 4.6 miles east of junction with road to Pala in the vicinity of the given coordinates as determined by Google Earth; collector's notes: Spiny and spineless pads on same plant; sage scrub hillside E of creek and S of highway. 1000 Comment
  UCR178139  Opuntia basilaris Tracy Tennant 1998-4-30 MOR- 069 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  RSA751352  Opuntia microdasys John F. Green 2008-6-5 s.n. Riverside south side of Hwy 74, c. 3 miles NE of Lake Elsinore and 3 miles NW of Canyon Lake. 478 Comment
  POM246483  Opuntia ramosissima C. B. Wolf 1932-10-12 4290 Riverside Colorado Desert. 4.5 miles from 29 Palms on road to Mecca. Comment
  UC86924  Oreostemma alpigenum var. andersonii A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  JEPS11678  Orobanche californica subsp. feudgei W. L. Jepson and H. M. Hall May 17, 1901-June 1, 1901 1458 Riverside Van Deventer's Ranch. Comment
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May 1 2016
  CDA42114  Orobanche cooperi Earl Asker 1956-5-14 s.n. Riverside H. & A. Ranch, 64th Ave and Grant, near Mecca. 0 Comment
  JEPS85937  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4524 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  UCR18525  Orobanche fasciculata A. C. Sanders 1978-6-11 471 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA0030792  Orthocarpus purpurascens Robert L. Rutherford 1945-5-24 1654 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA0080081  Oryzopsis hymenoides A. R. Roos 1937-4-18 s.n. Riverside Snow Creek. Comment
  RSA458997  Osmorhiza brachypoda Gale Sphon 1955-3-4 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA585876  Oxalis albicans subsp. californica D. L. Banks, S. D. Boyd 1995-5-9 360 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and 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. 732 Comment
  RSA506847  Oxytheca trilobata James L. Reveal, Barbara J. Ertter 1976-6-30 4567 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4 miles south of Hwy 74. 1738 Comment
  CLARK-A1703-1219  Paeonia brownii Charlotte Stocks 1964-5-1 Riverside Temecula Comment
  RSA612362  Paeonia californica D. L. Banks, Joe Moreno 1997-2-5 1260 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., Including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  CAS-BOT-BC327919  Palafoxia arida John H. Thomas 1957-3-30 6552 Riverside 8.1 miles E of Cactus City, about 20 miles E of Coachella. Colorado Desert. 426 Comment
  CAS-BOT-BC327931  Palafoxia arida Peter H. Raven 1958-1-23 11412 Riverside 2.7 miles W of Whitewater Post Office Comment
  HSC6042  Palafoxia arida R. A. Eagle 1964-3-28 16 Riverside 2 mi. this side of Palm Springs Comment
  SFV9414  Palafoxia arida M. L. Vincent, R. H. Swade 1963-10-19 453 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  UCR1212  Palafoxia arida Martha McCarthy 1960-3-13 s.n. Riverside Western Colorado Desert, [near Whitewater] side of Hwy 60/99 [now I-10], 2 miles past [east of] the Palm Springs cut-off [approx Hwy 111 junction] 396 Comment
  UCR89578  Palafoxia arida George K. Helmkamp 1994-3-8 41 9 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  UCR281926  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-9-20 43344 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, Tabaseca big game guzzler in canyon 2.35 km NW (309 deg. ) of Tabaseca Tank 563 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
  UCR2624  Panicum capillare F. M. Reed 1903-12-18 416 Riverside Riverside, Box Springs Mtns. foothills, natural bridge, Little Arroyo. (E edge of town near Tequesquite Arroyo and Chicago Ave., 'Little Arroyo' evidently drained into Arroyo T. from the N a short distance west of Chicago Ave.- notes by A. Sanders, 1993) 293 Comment
  UCR2613  Panicum miliaceum F. M. Reed 1910-10-14 3112 Riverside Riverside: margin of cultivated orchard, Bundy Lot 305 Comment
  UCR2615  Panicum miliaceum F. M. Reed 1918-1 4012 Riverside Riverside: on Indianapolis Ave. (Spruce Street) near Kansas 268 Comment
  JEPS70592  Panicum urvilleanum W. L. Jepson 1914-5-23 6049 Riverside Conchilla Desert Edom; Conchilla Desert Comment
  UCD89972  Panicum urvilleanum A. A. Beetle 1943-4-27 1937 Riverside Near Thousand Palms. Comment
  RSA716382  Parietaria hespera var. hespera Scott D. White 2006-4-27 11303 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  LA45742  Parkinsonia florida A. M. Johnson; 1933-4-28 4227 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  RSA615062  Paspalum distichum A. C. Sanders, P. J. MacKay, G. Helmkamp, J. Stewart, C. L. Sanders 1994-12-4 15885 Riverside Colorado Desert, Salton Sink: Dos Palmas oasis area., 33 deg 30.04'N, 115 deg 49.9'W -37 Comment
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Feb 4 2013
  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
  SFV11423  Pectis papposa var. papposa M. L. Vincent, R. H. Swade 1963-10-19 447 Riverside Within 3 miles of California State Highway 74 (Pines to Palms Highway) as highway crosses Santa Rosa Indian Reservation. About 1.5 miles west of Santa Rosa summit. 1503 Comment
  SEINET3004966  Pectocarya heterocarpa G. Rink 2011-3-23 10390 Riverside Desert flats north of Blythe, east of the McCoy Mtns 109 Comment
  UCR213394  Pectocarya heterocarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37455 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
  RSA781367  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-4-1 38966 Riverside Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  UCR113997  Pectocarya linearis Mitch Provance 2000-5-5 2014 A 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
  UCR174049  Pectocarya linearis A. C. Sanders 2006-5-19 32421 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
  UCR22070  Pectocarya linearis Steve Boyd 1980-4-27 143 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UC1178536  Pectocarya platycarpa Peter Kamb 1948-4-11 886 b Riverside 5 mi e Garnet (Aqueduct rd); Coachella Valley 30 Comment
  UCR102944  Pectocarya platycarpa George K. Helmkamp 1998-4-4 3137 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UC2015648  Pectocarya recurvata A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16151 Riverside Coachella Valley/San Jacinto Mtns., foothills: alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Cyn. Dr.) Comment
  RSA747873  Pectocarya setosa Justin M. Wood 2009-5-11 696 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  RSA523493  Pedicularis densiflora Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3953 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  SEINET7073394  Pellaea andromedifolia 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
  SEINET3873378  Pellaea andromedifolia var. andromedifolia Steve Boyd, Timothy S. Ross; Dave Bramlet 1993-5-12 7312 Riverside Southern Santa Ana Mountains, 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.; 0 Comment
  UCR261392  Pellaea mucronata Joseph Cahill 2011-1-8 111- 22 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  CAS-BOT-BC77191  Pellaea mucronata subsp. mucronata C. B. Wolf 1931-5-11 1958 Riverside San Jacinto Mts. - rocky places near Pipe Creek above Hemet Valley 1676 Comment
  UC809637  Pellaea mucronata var. mucronata Philip A. Munz 1949-4-13 13048 Riverside above Cottonwood Springs; Colorado Desert, w end Eagle Mts 1097 Comment
  RSA650598  Penstemon X parishii R. S. Woglum 1939-4-22 2189 Riverside Hemet. Bautista canyon toward Anza. Comment
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Jun 9 2012
  UCR27066  Penstemon X parishii T. P. Krantz, K. Berg 1982-5-26 s.n. Riverside San Jacinto Mtns., along Bonita Vista Road, north of Garner Valley Comment
  OBI29855  Penstemon centranthifolius Melissa Luckow, Rhonda Riggins 1982-4-15 819 Riverside Pinyon Pass Rd 0.1 mi NW of hwy 74 1006 Comment
  SD229288  Penstemon centranthifolius Dick Schwenkmeyer 2012-6-27 744 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCSB47315  Penstemon centranthifolius Hibbard, Doug 1977-5-6 Riverside north west side of Hwy 74; 11.8 mi up from its intersection with Hwy 111 1036 Comment
  RSA0123181  Penstemon clevelandii subsp. connatus Duncan S. Bell, LeRoy Gross 2016-3-30 9169 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  SD178241  Penstemon clevelandii var. connatus Mitch Provance, Kerry Knudsen and Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains; ca. 0.5 mile south on Santa Rosa Mountain Road from Highway 74. 1402 Comment
  CLARK-A1528-4302  Penstemon eatonii John C. Roos 1948-5-15 3839 Riverside Eagle Mountains Comment
  UCR24779  Penstemon grinnellii W. W. Mayhew 1981-6-25 s.n. Riverside Peninsular Range; San Jacinto Mtns, road edge about 100 yards below the lookout on the summit of Black Mtn. 2348 Comment
  NY601635  Penstemon heterophyllus var. australis F. A. Thackery 1928-5-22 372 Riverside Banning Heights Comment
  POM187415  Penstemon labrosus L. Crutcher 1933-8-22 7 Riverside Ridge south of Tahquitz Valley. Comment
  UC1971232  Penstemon rostriflorus Scott D. White 1998-7-31 6929 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. Comment
  RSA627867  Penstemon spectabilis A. C. Sanders 1994-5-29 14582 Riverside East Branch Millard Canyon, along Forest Service Road 4S45. 1200 Comment
  SD136744  Penstemon spectabilis Steve Boyd, Tim Ross 1992-5-15 7407 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  UCR251939  Penstemon spectabilis Harun Bektas 2011-4-26 11 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCR110980  Penstemon spectabilis var. spectabilis George K. Helmkamp 1998-6-27 4085 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
  RSA171363  Pentachaeta aurea J. D. Olmsted 1962-5-3 3514 Riverside Intersection of Pines to Palms Hwy and south access road to Thomas Moutain 1387 Comment
  SBBG63075  Pentachaeta aurea Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UC74891  Pentagramma maxonii Emma Miles Oct. 1888 Riverside San Jacinto Mts Comment
  UCR91555  Pentagramma triangularis subsp. maxonii A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15898 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  SFV17214  Peritoma arborea J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UCR124651  Peritoma arborea B. C. Templeton, I. W. Clokey 1930-4-9 1079 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, near Palm Springs Station 305 Comment
  CAS-BOT-BC73727  Peritoma arborea var. arborea N. Aitkenhead 1977-2-2 2215 Riverside ~1 mi. from junction of J.T. More Rd. & pipeline. Comment
  CAS-BOT-BC355988  Perityle emoryi C. L. Hitchcock 1940-3-31 5893 Riverside Between Cottonwood Spring and Pinto Basin Comment
  OBI15581  Perityle emoryi Robert F. Hoover 1966-10-15 10169 Riverside Dead Indian Cyn Comment
  RSA678350  Perityle emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10465 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR256723  Perityle emoryi Duncan S. Bell 2011-12-30 3041 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  UCSB12881  Perityle emoryi Breedlove, Dennis 1962-3-11 Riverside 3 miles southwest of Palm Desert 426 Comment
  JOTR35186  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  CAS-BOT-BC167756  Petalonyx thurberi K. Larson 1976-6-10 2036 Riverside ~30 mi E. of Indio S. of Chiriaco Summit Comment
  LA49854  Petalonyx thurberi subsp. thurberi Victor Duran; 1933-7-3 3500 Riverside Coachella Valley, Deep Canyon 243 Comment
  SBBG4887  Petalonyx thurberi subsp. thurberi M. A. Piehl 1963-9-18 63840 Riverside near US 60, 70, 7.5 mi W of jct with Joshua Tree Mon Rd 373 Comment
  SBBG4891  Petalonyx thurberi subsp. thurberi H. and M. Dearing 1940-6-7 4322 Riverside 7 mi N of Palm Springs Comment
  RSA423799  Petunia parviflora Crawford, J. M. Johnston 1917-6-9 1230 Riverside Santa Ana River near Corona. Comment
  UCR23256  Petunia parviflora John C. Roos 1952-5-28 5728 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  UC68951  Peucephyllum schottii Joseph Burtt Davy 1902-3-25 7934 Riverside Indio Comment
  UCR132750  Peucephyllum schottii Scott D. White 1993-2-5 1045 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  SEINET9118770  Peucephyllum schottii K. K. Muller 1952-1 559 Riverside 2 mi. N of Dos Palmas on road from Hot Mineral To Mecca-Blythe Hwy. Comment
  UC665769  Phacelia Ira L. Wiggins 1941-3-27 9704 Riverside slopes 4 mi n Whitewater Comment
  HSC13687  Phacelia affinis C. L. Hitchcock 1966-3-16 24201 Riverside Along Palms to Pines Hwy., 10 mi. S of Palm Desert Comment
  RSA0119994  Phacelia affinis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9085 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
  RSA427680B  Phacelia brachyloba N. C. Cooper 1944-5-21 1268 a Riverside San Jacinto Mountains, west side. 1220 Comment
  RSA613905  Phacelia brachyloba A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20648 Riverside San Jacinto Mountains north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740. Comment
  UCR102736  Phacelia campanularia B. G. Pitzer 1998-1-25 3429 Riverside Lakeview Mtns., Warren Road, just below water tank at base of hills, W side of road c. 0.5 mi. NE of Juniper Flat Road 610 Comment
  RSA752223  Phacelia campanularia subsp. campanularia Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12586 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
  RSA799077  Phacelia campanularia subsp. campanularia Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6873 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  RSA0110953  Phacelia campanularia subsp. vasiformis Rofena Lewis, F. Brubaker 1926-2-22 6500 Riverside Along Boulevard below Whitewater Bridge, head of Coachella Valley. Comment
  CHSC35502  Phacelia cicutaria var. hispida Jeanne Muro 1972-4-29 40 Riverside 3 mi. SW of Murrieta on Teneja Rd. 548 Comment
  HSC13709  Phacelia cicutaria var. hispida C. L. Hitchcock 1966-3-15 24156 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  SEINET7073443  Phacelia cicutaria var. hispida A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR214569  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37850 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  RSA427681B  Phacelia cicutaria var. hispida W. P. Burger 1979-4-28 66 Riverside Along Carancho Road, just past where stream crosses road, Hidden Valley. 366 Comment
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Jan 11 2016
  CLARK-A1528-5437  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  CDA19646  Phacelia crenulata var. ambigua G. D. Barbe, T. C. Fuller 1973-3-12 1049 Riverside 0.2 mi east of Coachella Canal on state route 195, ca. 5 mi east of Mecca. Box Canyon Wash. 24 Comment
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Mar 10 2011
  JEPS2303  Phacelia crenulata var. ambigua E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  UC672401  Phacelia crenulata var. ambigua Herbert L. Mason 1928-3-11 4237 Riverside near Indio; Colorado Desert Comment
  UC672402  Phacelia crenulata var. ambigua Herbert L. Mason 1928-3-10 4226 Riverside Hidden Spring Canyon Colorado Desert, Coachella Mountains Comment
  CAS-BOT-BC133955  Phacelia distans Milo S. Baker 1928-4-3 3310 Riverside Palm canon Comment
  POM118674  Phacelia distans Marcus E. Jones 1924-7-22 s.n. Riverside Desert Center. Comment
  RSA346252  Phacelia distans Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54068 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA428219  Phacelia distans H. de Forest, George C. Johnston 1925-4-17 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA777678  Phacelia distans Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 982 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR198194  Phacelia distans Michael Honer, L. Hulse 2004-4-3 1920 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  POM289797  Phacelia distans Lyman Benson 1933-3-31 4178 Riverside Beginning of Hemet Road, San Jacinto Mt. Colorado Desert. 579 Comment
  JOTR33961  Phacelia fremontii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2847 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  UC572624  Phacelia fremontii H. S. Yates 1937-3-24 6474 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  POM122572  Phacelia imbricata subsp. patula Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC454114  Phacelia imbricata subsp. patula I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 1676 Comment
  RSA314662  Phacelia minor Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55484 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA510314  Phacelia minor Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  RSA700025  Phacelia minor Scott D. White, Michael Honer 2003-4-25 9100 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
  SD143841  Phacelia minor A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20655 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat) N slope of peak 3740 1067 Comment
  SD143842  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Box Springs Mountains: Coyote Hill (Bench Mark Versity, 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  CLARK-A1045-872  Phacelia pachyphylla George K. Helmkamp 1978-6-1 #3 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  SBBG29878  Phacelia pedicellata E. Braunton 1940-4-3 2020 a Riverside Berdoo Cyn, 10 mi E of Indio 304 Comment
  RSA645684  Phacelia ramosissima var. latifolia Scott D. White 1999-5-24 7374 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
  UC63812  Phacelia ramosissima var. latifolia H. M. Hall June 1899 Riverside Fairmount Hill Riverside Comment
  UC697613  Phacelia ramosissima var. latifolia Kay H. Beach 1942-10-22 1657 Riverside roadside 4 mi nw Corona City limits (on road to Chino) Comment
  POM14419  Phalaris lemmonii P. A. Munz, I. M. Johnston 1922-5-18 5374 Riverside Menifee Valley Comment
  POM263357  Phalaris lemmonii J. C. Roos 1937-5-10 456 Riverside Lake Elsinore. Comment
  POM14420  Phalaris minor P. A. Munz, I. M. Johnston 1922-5-19 5381 Riverside 8 miles NE of Murietta. 412 Comment
  UCR28622  Phaseolus filiformis A. C. Sanders 1982-12-19 3451 Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
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Feb 9 2010
  JOTR35430  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA459263  Pholistoma auritum E. Crow 1929-4-7 298 Riverside Corona Skyline Drive, Santa Ana Mountains. Comment
  RSA0043168  Pholistoma membranaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10491 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA621538  Pholistoma membranaceum B. Pitzer 1998-3-7 3565 Riverside San Bernardino Mountains: Wildlands Conservancy s Mission Creek Preserve. 762 Comment
  UC193878  Pholistoma membranaceum G. R. Vasey Feb. 1881 Riverside Whitewater Comment
  SD1137  Phoradendron bolleanum Edmund Jaeger 1925-12-4 Riverside Covington Flats, Little San Bernardino Mts. 1280 Comment
  CAS-BOT-BC135102  Phoradendron californicum Roxana S. Ferris 1918-7-14 964 Riverside by stream at Palm Springs Comment
  UCR123874  Phoradendron californicum Steven R. Hill 2001-4-29 33535 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  JEPS42578  Phoradendron densum W. L. Jepson 1914-5-18 6000 Riverside n. Indio (Pinyon Well Grade); Conchilla Mts., Pinyon Well Grade 762 Comment
  UCR181058  Phoradendron macrophyllum Mitch Provance 2001-3-3 3521 Riverside San Bernardino Valley, Vicinity of Casa Blanca, NW corner of St. Lawrence St. and Victoria Avenue 274 Comment
  CAS-BOT-BC141175  Phoradendron serotinum subsp. macrophyllum W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon Comment
  CLARK-A1528-614  Phoradendron tomentosum subsp. macrophyllum P. A. Rauch 1966-1-24 Riverside Radec Comment
  RSA97450  Phoradendron villosum F. W. Peirson 1924-7-28 5009 Riverside Pine Flats Camp 1799 Comment
  UCR35271  Physalis acutifolia Ken Chapman 1971-8-29 423 Riverside San Jacinto Valley - W side 473 Comment
  RSA79897  Physalis crassifolia F. W. Peirson 1922-4-8 1088 Riverside between Whitewater and Palm Springs. Comment
  UCR103308  Physalis crassifolia George K. Helmkamp 1998-4-4 3166 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR279405  Physaria tenella A. C. Sanders, Jim Malusa 2017-3-25 43020 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  RSA698298  Pinus cembroides J. Vlahos 1934-6-3 s.n. Riverside Lower Transitions Zone or upper sonoran. Comment
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Dec 11 2011
  POM11516  Pinus flexilis Philip A. Munz 1922-6-28 5886 Riverside Santa Rosa Mts. Toro Peak. 2439 Comment
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Mar 28 2014
  RSA0077533  Pinus lambertiana G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  CAS-BOT-BC78895  Pinus monophylla John Thomas Howell 1960-3-24 35150 A Riverside Pinyon Flat, [Palms-to-Pines] Palms to Pines Highway, San Jacinto Mts. Comment
  UCR8098  Pinus ponderosa B. Freeman 1969-3-25 690325- 7 Riverside San Jacinto Mtns., James Reserve, north of James' House. 1646 Comment
  NY62435  Pinus quadrifolia M. Parratt 1962-2-24 114 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCSB41941  Pinus quadrifolia Ericson, Trudy 1974-11-9 Riverside St. 74 toward Palm Desert; about 4 1/2 mi. east of intersection with St. 71 1432 Comment
  SD234779  Pistacia atlantica Tom Chester 2006-3-9 869 Riverside Peninsular Ranges; Santa Ana Mountains region: Santa Rosa Plateau Ecological Reserve: Los Santos Trail, next to tributary to Cole Creek, 0.25 miles (0.4 km) SW of peak 2064 next to Tenaja Truck Trail 591 Comment
  RSA666894  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24192 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UCR116852  Plagiobothrys collinus A. C. Sanders, Steven R. Hill 2001-5-4 24141 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UC64418  Plagiobothrys collinus var. californicus H. M. Hall 1897-3-30 412 Riverside Winchester Comment
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Mar 20 2011
  SD6753  Plagiobothrys collinus var. fulvescens unknown May 1882 Riverside San Jacinto Comment
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Jul 12 2010
  UC1931120  Plagiobothrys collinus var. fulvescens Scott D. White, Justin Wood 2008-6-18 12243 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  RSA695816  Plagiobothrys collinus var. ursinus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  SEINET3084131 Image available Plagiobothrys fulvus A. C. Sanders, T. Glenn 1983-4-17 3736 Riverside Mesa de Colorado, Santa Ana Mountains, 5 miles (airline) SW of Murrieta. Comment
  UCR126941  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2003-5-9 26583 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR166808  Plagiobothrys leptocladus R. E. Riefner Jr. 2005-4-22 05- 241 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  SEINET7063030  Plagiobothrys tenellus A. G. Vestal 1962-3-27 s.n. Riverside About 3.5 miles northeast of Lake Elsinore on Route 74. UTM Zone 11, 470760mE, 3730110mN. (WGS84/NAD83). 472 Comment
  CLARK-A1045-154  Plagiobothrys undulatus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  UC1536026  Plagiobothrys undulatus Robert F. Thorne 1973-5-23 45525 Riverside Santa Rosa Plateau Mesa de Colorado 609 Comment
  CHSC103794  Plantago erecta Scott D. White 2003-3-21 8814 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Jan Creek. 152 Comment
  UCR216394  Plantago erecta Mike Bell 2008-3-30 022 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA784935  Plantago ovata Duncan S. Bell 2012-2-12 3103 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET7048019  Plantago ovata Steven R. Hill, Kate Kramer 2001-4-27 33487 Riverside North side of Route I-10, west side of Coachella Canal, about 0.1-0.2 mile north of interstate highway, 3 miles east of Indio. Elevation about 31 feet. 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
  UCR245919  Plantago ovata Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3957 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., [NE] of Shaver Well on an alluvial plain 323 Comment
  SEINET8369613  Plantago ovata K. L. Chambers 1973-3-19 3635 Riverside Hwy. 195, east of Box Canyon and 3.0 miles s.w. of junction with Hwy. 60; from Orocopia Mtns. Comment
  JOTR35344  Plantago ovata var. fastigiata Harding, Mitzi, Mark Wheeler 2012-2-28 111 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  UC28029  Plantago patagonica H. M. Hall Jun 1901 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  POM250486  Platanthera leucostachys I. W. Clokey, E. G. Anderson 1935-8-21 6561 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  POM49858  Platanthera leucostachys Philip A. Munz, I. M. Johnston 1924-7-27 8765 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  CAS-BOT-BC93218  Platanus racemosa L. R. Abrams 1914-10-31 14309 Riverside Andreas Canon [Canyon]. Near Palm Springs. Comment
  RSA689563  Platystemon californicus Scott D. White, Michael Honer 2003-4-25 9117 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  RSA741373  Platystemon californicus Scott D. White, Justin M. Wood 2008-5-15 11983 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC1930029  Platystemon californicus Scott D. White, Justin Wood 2008-5-15 11983 Riverside San Jacinto Mountains: Johnson Meadow. (Idyllwild) Comment
  UC64140  Platystemon californicus Miss Daisy M. Harris May 1897 Riverside Winchester Comment
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Mar 20 2011
  UCR220129  Platystemon californicus D. E. Bramlet 1989-4-7 1826 Riverside Peninsular Range; Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 7200 ft. east of the dam and 700 ft. north of Lake Skinner 473 Comment
  UCR4612  Plectritis ciliosa subsp. insignis Frank C. Vasek 1960-4-12 600412- 04 Riverside Peninsular Range, County road S16 (Pala Rd.) between Temecula and Pala, 0.5 mi north of the San Diego Co. line Comment
  RSA129652  Pleuraphis rigida H. S. Yates 1937-3-23 6424 Riverside 5 miles NW of Edon 49 Comment
  UC1979847  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 960 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  UC912655  Pleuraphis rigida H. L. Mason 1928-3-10 4198 Riverside Whitewater River Comment
  SBBG87786  Pleurocoronis pluriseta A. C. Sanders, B. Pitzer 1986-3-3 6139 Riverside N foot of Chuckwalla Mtns, 2.75 air mi SE of Desert Center 365 Comment
  UCSB17336  Pleurocoronis pluriseta Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
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Mar 1 2014
  UC73998  Pluchea odorata var. odorata Geo. R. Hall Sept 1905 Riverside near Riverside Comment
  UCR103731  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  UCR2678  Poa bigelovii F. M. Reed 1920-3-24 4176 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  CAS-BOT-BC246625  Poa howellii H. M. Hall 1901-8-1 2594 Riverside San Jacinto Mountains. In Tamarack Valley 2804 Comment
  SD144112  Poa howellii A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20646 Riverside San Jacinto Mountains; N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of Peak 3740 1067 Comment
  RSA792570  Poa secunda Justin M. Wood 2011-4-4 3390 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  POM179207  Polygala acanthoclada A. M. Alexander, Loiuse Kellogg 1941-5-18 2195 Riverside Eagle Mountains: 1.5 miles N Cottonwood Springs 976 Comment
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Oct 9 2010
  UCR189814  Polygala cornuta var. fishiae Theresa Johnson 2007-5-2 332 Riverside Peninsular Range, Santa Ana Mountains, Santa Rosa Plateau. Near Mesa de Burro Comment
  RSA774301  Polygonum Duncan S. Bell 2011-4-7 2181 B Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  POM16501  Polygonum amphibium var. emersum H. Baer 1923-6-24 s.n. Riverside Lee Lake, Temescal Canyon. Comment
  RSA65917  Polygonum ramosissimum F. W. Peirson 1938-4-10 12379 Riverside 1-2 miles west of Blythe. Comment
  RSA612696  Polypogon maritimus D. L. Banks 1997-3-29 1602 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border;, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SBBG94638  Polypogon monspeliensis S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 airline mi SW of Temecula; T8S, R 3W on line between S 22 and 27 374 Comment
  SDSU13614  Polypogon monspeliensis W. Miller, C. Mosse 1972-7-11 Riverside Comment
  UC39757  Polypogon monspeliensis H. M. Hall June, 1901 2274 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1615 Comment
  UCR201705  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-6-16 12113 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  RSA588816  Polypogon monspeliensis D. L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UC1561679  Polystichum scopulinum Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7430 Riverside n side of Red Tahquitz Peak (head of Andreas Canyon); San Jacinto Mts. 2438 Comment
  SD229276  Populus fremontii Dick Schwenkmeyer 2013-6-11 904 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  SEINET10932112  Populus fremontii Billy Joe Cox 1975-4-23 Cox 4156 Riverside Palo verde, 1-3 km w, ca 32 m s of blythe. Creosote desert scrub; sandy and gravelly entisols. 100 Comment
  JOTR35918  Populus fremontii subsp. fremontii De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6866 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  UC494534  Populus fremontii subsp. fremontii Philip A. Munz 1931-3-13 11942 Riverside Blythe Comment
  RSA753027  Populus nigra A. C. Sanders, D. L. Sanders 2008-9-27 36107 Riverside Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. and Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 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
  CLARK-A1528-2063  Porophyllum gracile John C. Roos 1946-11-30 3169 Riverside Chuckwalla Mountains Comment
  JEPS35438  Porophyllum gracile W. L. Jepson 1928-4-25 12586 Riverside Eagle Mts., Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  UCR174335  Porophyllum gracile A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32644 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., vicinity of peak 2279 695 Comment
  UCR260315  Porophyllum gracile A. C. Sanders, Jim Malusa 2015-3-10 41374 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR156464  Portulaca oleracea T. B. Salvato, A. C. Sanders 2005-5-17 890 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
  CAS-BOT-BC356221  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1940-4-27 1236 Riverside Whipple Mountains 289 Comment
  POM348752  Prosopis glandulosa var. torreyana Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA371702  Prosopis glandulosa var. torreyana A. C. Sanders 1986-4-30 6494 Riverside Along the Gilman Springs Road, 0.3 mile SE of Jackrabbit Trail, San Jacinto Valley. Possibly at an old home site, but no evidence of buildings remains. 457 Comment
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Mar 20 2011
  SD84907  Prosopis pubescens Nancy Ryan Zabriskie, Walter Zabriskie 1971-10-24 459 Riverside East slope of San Jacinto Mountains, Andreas Canyon watershed, SE of turnoff to clubhouse fron Andreas Canyon Club Road 320 Comment
  SDSU13829  Prunus amygdalus W. Miller, C. Mosse Riverside Comment
  RSA296119  Prunus ilicifolia Barry A. Prigge 1980-8-11 3894 Riverside Whitewater Canyon: 3.2 miles upstream from trout farm. 854 Comment
  RSA6083  Prunus ilicifolia Carl B. Wolf 1932-5-25 3666 Riverside Snow Creek, No. Base San Jacinto Mountains. Just above the Fish Hatchery 671 Comment
  RSA787088  Prunus ilicifolia Doris Bowers 1972-4-15 1817 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  UCR250576  Prunus ilicifolia A. C. Sanders 2014-4-25 41074 Riverside Peninsular Range, Temescal Canyon, Richland property near Horsethief Canyon Rd., SW of I-15 381 Comment
  CAS-BOT-BC356349  Psathyrotes ramosissima K. Bonner 1977-10-27 2608 Riverside 3 miles East of Chuckwalla Rd. 195 Comment
  CLARK-A1528-2198  Psathyrotes ramosissima John C. Roos 1946-12-7 3180 Riverside Pushawalla Wash Comment
  RSA0104486  Pseudognaphalium Duncan S. Bell 2015-9-30 8669 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR92399  Pseudognaphalium biolettii F. M. Reed 1903-3-10 214 Riverside South Coast; San Bernardino Valley, W base of Box Spring Mtns. 366 Comment
  CAS-BOT-BC356793  Pseudognaphalium californicum A. C. Sanders 1997-3-19 20007 Riverside Lake Skinner area: slopes N of Tucalota Creek ca. 3/4 mi. (1.25 km) E of the lake 470 Comment
  POM212613  Psilocarphus brevissimus P. A. Munz 1941-5-18 16648 Riverside About 15 miles northeast of Temecula. Comment
  UCR126975  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2003-5-9 26589 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  SD68961  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, P. A. Munz and L. Lathrop 1968-5-8 37579 Riverside Santa Rosa Plateau on Mesa de Colorado, Rancho California. 675 Comment
  UCR277522  Psilocarphus brevissimus var. brevissimus Mitch Provance 2011-6-28 17203 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  CAS-BOT-BC362109  Psilostrophe cooperi Philip A. Munz 1940-3-24 15698 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  SEINET2063861 Image available Psorothamnus arborescens B. Pitzer 1986-4-26 Riverside Whitewater Canyon, ca. 4.5 miles N of Interstate 10 on Whitewater Canyon Road, Whitewater 7.5' Quad. 731 Comment
  CAS-BOT-BC353580  Psorothamnus arborescens var. simplicifolius H. M. Hall 1905-5-11 6024 Riverside Cottonwood Mountains, Colorado Desert 609 Comment
  UCR123759  Psorothamnus arborescens var. simplicifolius Steven R. Hill 2001-4-29 33546 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR144127  Psorothamnus arborescens var. simplicifolius Scott D. White 2001-4-18 8357 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  UCR38699  Psorothamnus arborescens var. simplicifolius J. M. Stewart 1985-4-28 8515 Riverside Western Colorado Desert, Coachella Valley, along the north side of Hwy I-10, 1 mi west of Indian Ave. 244 Comment
  CAS-BOT-BC353646  Psorothamnus emoryi Louis C. Wheeler 1931-11-26 392 Riverside 2 miles SE of Salton Bench Mark, Colorado Desert -67 Comment
  POM122372  Psorothamnus emoryi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  CAS-BOT-BC340918  Psorothamnus schottii Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  POM229423  Psorothamnus schottii Philip A. Munz 1937-5-29 15144 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  SEINET2063920 Image available Psorothamnus schottii Norman C. Cooper 1949-4-8 3250 Riverside Mecca Pass E of Indio. 457 Comment
  UCD108355  Psorothamnus schottii Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  CAS-BOT-BC340962  Psorothamnus spinosus Howard Scott Gentry 1938-7-6 3789 Riverside Coachella Valley Comment
  JEPS41682  Psorothamnus spinosus E. E. Schellenger 1903-7 2 Riverside Chuckawalla Bench Comment
  SBBG3321  Psorothamnus spinosus H. and M. Dearing 1942-1-17 4786 Riverside near Cathedral City Comment
  SBBG3322  Psorothamnus spinosus H. and M. Dearing 1940-6-8 4333 Riverside near Palm Springs Comment
  SEINET951768  Pteridaceae Norman C. Cooper 1944-1 1085 Riverside Andreas Canyon, Riverside County 457 Comment
  HSC17563  Pterostegia drymarioides C. L. Hitchcock, C. V. Muhlick 1964-3-17 23079 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  RSA522713  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3899 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
  UCR241821  Pterostegia drymarioides A. C. Sanders, Timothy W. Chumley 2013-4-2 40755 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UCSB18445  Pterostegia drymarioides Keith, Sheldon 1963-5-5 Riverside State Highway 74, 10.8 miles SW of Palm Desert 914 Comment
  UCR274938  Pulicaria paludosa S. J. Myers, Vesta A. Myers 2006-9-30 1031 Riverside Perris Valley Storm Drain near Placentia Ave., SW of Lake Perris 435 Comment
  UCR112801  Punica granatum A. C. Sanders 1997-5-1 20615 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  RSA0081611  Pyrola aphylla F. W. Peirson 1924-7-27 4988 Riverside Dark Canyon, San Jacinto Mts. 1905 Comment
  RSA0080590  Pyrola dentata P. A. Munz, I. M. Johnston 1924-7-27 8767 Riverside Dark Canyon, just below Deer Springs, San Jacinto Mts. 2439 Comment
  RSA0042976  Quercus Jeremiah George 2012-8-13 s.n. Riverside west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  RSA0110604  Quercus Mitch Provance 2012-9-11 17621 Riverside Badlands of Western Riverside County: Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft, along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  CAS-BOT-BC61822  Quercus agrifolia Samuel B. Parish 1891-11-4 2276 Riverside Rocky Hills, head of Temecula Canon 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
  SD257284  Quercus agrifolia Mitch Provance, Jeremiah George 2012-8-4 812 44 Riverside Western Riverside County: Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Portrero 751 Comment
  SDSU12877  Quercus agrifolia var. agrifolia J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 33 Riverside Next to main entrance gate to Santa Margarita Field Station 354 Comment
  UC847819  Quercus agrifolia var. oxyadenia P. A. Munz 1922-7-3 5955 Riverside Vandeventer Flat San Jacinto Mts. 1371 Comment
  UCSB1049  Quercus agrifolia var. oxyadenia Neely, William Riverside on Banning Road 1280 Comment
  JEPS37329  Quercus berberidifolia Frank Thornton 1903-1 Riverside Mt. San Jacinto Comment
  UCR135834  Quercus berberidifolia A. C. Sanders 2004-4-20 27523 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR250003  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  IRVC26855  Quercus cornelius-mulleri Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9022 Riverside Ca. 0.05 mi. S on Santa Rosa Mtn. Road from Hwy 74. Peninsular Ranges, Santa Rosa Mountains Comment
  POM296380  Quercus cornelius-mulleri Lyman Benson 1946-4-15 12042 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UCR103220  Quercus cornelius-mulleri Scott D. White 1996-8-1 4457 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  CLARK-A1528-2920  Quercus dumosa John C. Roos 1947-12-13 3765 Riverside Lost Palms Canyon Comment
  CAS-BOT-BC94189  Quercus engelmannii A. C. Sanders; E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flats area, Santa Rosa Mountains, along Horsethief Creek where the trail from the Dolomite Mine crosses 1100 Comment
  RSA650069  Quercus engelmannii Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. Comment
  UCR262458  Quercus engelmannii Cecile Shohet 2015-6-24 s.n. Riverside Beaumont, NW of 'Plantation on the Lake' mobile home park, south of I-10, east of Cherry Valley Blvd., west of Plantation Dr., under powerlines 728 Comment
  CAS-BOT-BC105322  Quercus kelloggii Carl B. Wolf 1932-8-6 3992 Riverside San Jacinto Mts., Strawberry Valley, base of Dveil's Slide Trail to Tahquitz Valley 1706 Comment
  CAS-BOT-BC105325  Quercus kelloggii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  SDSU6976  Quercus kelloggii Sammuel R. Frank 1962-5-23 Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC104314  Quercus palmeri J. E. Cole 1947-2-6 1001 Riverside Lower Covington Flat 1463 Comment
  RSA741573  Quercus palmeri Scott D. White, Justin M. Wood 2008-6-17 12166 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  IRVC1361  Quercus turbinella R. H. Whittaker, W. A. Niering 1963-5-27 SJ 10 Riverside San Jacinto Mountains, Hemet Highway. Slope N 35 degrees with granite soil. 1265 Comment
  SD152922  Rafinesquia californica Steve Boyd 1992-4-15 6884 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness Area. Bluewater Canyon along Bluewater Trail downstram to the confluence with San Mateo Creek. 334 Comment
  UC36536  Rafinesquia californica Geo. R. Hall 1901-3-31 10 Riverside near Riverside Comment
  UCR98079  Rafinesquia californica A. C. Sanders, G. Helmkamp 1997-3-15 19953 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  JOTR30139  Rafinesquia neomexicana La Doux, Tasha 2008-2-4 1706 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  NY43473  Rafinesquia neomexicana C. R. Annable 1995-3-9 2253 Riverside Ca. 14.5km NW of Palm Springs, N slope of Whitewater Hill Comment
  RSA0069664  Rafinesquia neomexicana Cheryl Sevilla, Sarah J. De Groot 2015-2-18 14 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  RSA772843  Rafinesquia neomexicana Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4720 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  RSA775941  Rafinesquia neomexicana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 951 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UCR50423  Ranunculus californicus L. F. LaPre, Jack Easton 1988-1-27 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro, Santa Rosa Springs Ranch Comment
  CAS-BOT-BC378490  Ranunculus californicus var. californicus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37427 Riverside Santa Rosa Plateau; abundant in grasslands on Mesa Colorado near large vernal marsh, Rancho California 670 Comment
  RSA736727  Ranunculus cymbalaria Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10691 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR174535  Ranunculus muricatus Jennifer H. Jones 2006-5-1 290 Riverside Foot of Box Springs Mtns. east of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  UCR248003  Ranunculus muricatus O. F. Clarke 2010-4-16 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR65291  Ranunculus sceleratus Steve Boyd, T. S. Ross 1989-8-28 3807 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  SEINET998620  Rhamnus californica T. B. Salvato 2004-1 597 Riverside San Bernardinos Mtns: head of Banning (San Gorgonio River) Canyon San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  RSA690937  Rhamnus crocea Scott D. White, Michael Honer 2003-5-27 9411 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  UCR111770  Rhamnus crocea Mitch Provance 1998-3-17 224 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR270175  Rhamnus crocea A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42403 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA343876  Rhamnus ilicifolia Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60666 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  UC489155  Rhododendron occidentale C. V. Meyer 1927-6-1 191 Riverside San Jacinto Mountains, Saunders Meadow Saunders Meadow; San Jacinto Mountains, Saunders Meadow 1615 Comment
  UCSB26759  Rhododendron occidentale Wilken, Dieter 1969-6-30 Riverside Black Canyon, along County Road R1, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  CAS-BOT-BC200032  Rhododendron occidentale var. californicum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CDA43235  Rhododendron occidentale var. californicum G. F. Hrusa, T. D. Wilfred 1993-6-23 9866 Riverside San Jacinto Mountains; Azalea Trails Girl Scout Camp, on tributary above head of Dark Canyon, N. Fk. San Jacinto River. 1594 Comment
  RSA105377  Rhododendron occidentale var. paludosum G. D. Barbe 1955-7-5 114 Riverside 12 mi south of Etna on French Creek Rd. where the road crosses the creek. 1098 Comment
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Jul 23 2013
  RSA650233  Rhus ovata Phil Elliott 1981-2-16 10 Riverside S. of Lake Elsinore, On CA Hwy 74. 4.2 miles south of Grand 548 Comment
  UCSB16178  Rhus ovata Ensign, Jusy 1963-5-4 Riverside Banning Idyllwild Road 7 mi. NE of the Idyllwild junction 914 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
  SD152829  Ribes malvaceum var. viridifolium Steve Boyd, Tim Ross 1992-5-5 7237 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along the Bluewater Trail 730 Comment
  CAS-BOT-BC219234  Ribes nevadense Carl B. Wolf 1932-8-5 3968 Riverside Above small stream and Meadows feeding Tahquitz Creek, on trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains 2804 Comment
  JEPS26602  Ribes nevadense Peter Kamb 1948-7-11 1203 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA134226  Ribes nevadense Peter H. Raven, Richard Snow 1957-7-26 11114 Riverside Along stream 2.0 mi. S of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto mts. Comment
  UCR270314  Romneya coulteri T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8345 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  UCR37459  Romneya coulteri Steve Boyd 1981-4-29 s.n. Riverside Arroyo del Toro Comment
  POM319082  Romneya coulteri Patricia Wilder 1970-10-15 4818 Riverside Prado Dam; by entry gate on west end of top of dam; Chino Hills; Santa Ana River. 183 Comment
  RSA692223  Rorippa curvipes var. truncata Scott D. White 2003-10-9 9818 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  CLARK-A1528-372  Rorippa nasturtium-aquaticum Margaret Ferro 1970-5-16 21 Riverside West Riverside 365 Comment
  UCR23506  Rubus parviflorus John C. Roos 1942-6-20 991 Riverside San Jacinto Mtns., Dark Canyon, N Fork San Jacinto River Comment
  SDSU14243  Rubus ursinus Ingrid Poulin 2002-3-22 13 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 201 Comment
  UCR94930  Rumex acetosella Scott D. White 1996-8-15 4468 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  SD186305  Rumex crispus T. B. Salvato, Melissa Clemons 2005-6-23 1309 Riverside Temescal Valley: Walker Canyon, 1.5 mi due E of Alberhill, N of HwyI-15, stream at side of canyon 412 Comment
  JOTR01002  Rumex crispus Cole, James E. 1941-5-27 793 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  UCR100093  Rumex hymenosepalus R. G. Swinney 1967-2-11 358 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR3241  Rumex hymenosepalus Bob Brownell 1964-5-15 s.n. Riverside Colton [south of], 3 mi from Washington Ave up Reche Canyon Rd. 366 Comment
  RSA708174  Rumex salicifolius Scott D. White, Angelia Carey 2004-5-7 10314 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UC850618  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1936-8-21 6601 Riverside Fuller Creek 1500 Comment
  UC1124634  Salazaria mexicana A. E. Wieslander 1938-5-5 738 Riverside 1 mi s Black Hill; Thermal Quad. 975 Comment
  UCR17313  Salazaria mexicana N. R. Zabriskie, W. W. Zabriskie 1972-3-30 504 Riverside San Jacinto Mtns, below Pinyon Crest in Chapman's Rancheros area toward Dos Palmas Spring, NW of Hwy 74. Site 11. 1098 Comment
  JOTR35977  Salix exigua De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6877 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  UCR133114  Salix exigua 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
  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
  CAS-BOT-BC140663  Salix gooddingii A. C. Sanders; T. B. Salvato 2011-3-30 38889 Riverside Peninsular Range; Elsinore Trough: city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  RSA715051  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 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
  SD137624  Salix gooddingii Darin L. Banks, Steve Boyd 1995-4-5 141 Riverside Cleveland National Forest, N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 658 Comment
  UCR128256  Salix gooddingii A. C. Sanders, Kelly Volansky 2003-10-16 27346 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR275356  Salix gooddingii T. B. Salvato, Melissa Clemons 2005-6-9 1499 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  SEINET10626142  Salix laevigata Greg Gust, Leith Nye 2005-3-11 Gust 546 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  CAS-BOT-BC403760  Salpichroa origanifolia F. J. Willmarth 1964-6-15 s.n. Riverside Temecula Hotel, Temecula Comment
  UCR103730  Salsola australis A. C. Sanders 1997-3-19 20035 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  RSA775607  Salsola paulsenii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1000 Riverside Iron Mountains, on southwest side of mountains in wash 423 Comment
  SD232665  Salsola paulsenii A. C. Sanders 1992-4-5 12160 Riverside Colorado Desert: Chuckwalla Velley, near Wiley's Well rest area on I-10, along dirt road to McCoy Spring. 399 Comment
  SBBG28438  Saltugilia australis D. Myrick 1964-4-30 809 Riverside Palms to Pines Hwy (St Hwy 74), 15 mi W of Palm Desert 1219 Comment
  UC1537501  Saltugilia australis Gordon H. True Jr. 1935-3-19 131 Riverside 6 mi se Perris; se of Perris 487 Comment
  RSA0094570  Saltugilia australis Leigh A. Johnson, Deborah A. Johnson 1997-5-12 97 -082 Riverside San Bernardino Natl. Forest, Chahuilla Mtn. vicinity. Along road to Cahuilla Mtn. trail, in area of first year burn, along road margins or within short distance of road. 1300 Comment
  UC63766  Salvia H. M. Hall 1897-5-28 578 Riverside vicinity Riverside (Gavilan road) Comment
  HSC78534  Salvia apiana J. C. Roos 1965-6-13 Riverside Dos Palmas Spring 915 Comment
  RSA339320  Salvia apiana Robert F. Thorne, W. A. Tilforth 1980-5-28 54196 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  SEINET4951402  Salvia apiana Unknown 1995-5-3 1406 Riverside S of Palm Desert along Hwy 74, 3km E of Pinyon Flats Campground Comment
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Jan 30 2019
  RSA727073  Salvia carduacea Jay Walker, R. C. Walker 3090 Riverside S of Hemet, 1/4 mi. S of Gibbel Rd. about 1 mile E of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, S of mouth of Avery Cyn. Comment
  SEINET7073440  Salvia carduacea A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  RSA628480  Salvia columbariae A. C. Sanders 1994-5-30 14600 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA649328  Salvia columbariae T. W. Niilus 1970-3-16 N 69 Riverside Collected 3mi NW of Alberhill. 396 Comment
  UC144540  Salvia columbariae C. F. Baker 1904-4-5 4143 Riverside Hemet Comment
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Jul 4 2010
  UCR245738  Salvia columbariae Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3943 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  SEINET13947468 Image available Salvia hispanica Joseph Cahill 2000-1 3032 Riverside Grown from seet of Howard Gentry Collection, purchased in St. Lucia, Sinaloa, Mexico Comment
  SDSU12263  Salvia mellifera Jeremy Mass, Ryan Jacobsen 2000-4-19 9 Riverside Comment
  SEINET7907890  Salvia mellifera D. A. Johnson 2005-1 2005- 02 -18-01 Riverside 1 mi E of CA 74, River Rd, between Perris & Lake Elsinore 488 Comment
  UCD166201  Salvia mellifera Jack Major 1962-4-16 766 -a Riverside Along side of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  UCR133375  Salvia mellifera Mitch Provance, J. S. Ross 1998-3-27 MOR- 984 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR251869  Salvia mellifera M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  RSA785973  Salvia mohavensis Doris Bowers 1978-3-19 2534 Riverside Wild Horse Canyon 1280 Comment
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Apr 7 2013
  UCLA49888  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mountains Comment
  CAS-BOT-BC233334  Salvia vaseyi W. G. Wright 1890-4-1 s.n. Riverside Whitewater, Colorado Desert Comment
  RSA448913  Salvia vaseyi N. C. Cooper 1948-5-13 2837 Riverside Devil's Garden. 244 Comment
  UC1281068  Salvia vaseyi H. E. McMinn 1935-6-27 4069 Riverside Palms to Pines Highway Comment
  UCLA69741  Salvia vaseyi C. Epling and L. Haines 1937-5-7 Riverside 0.6 mi below Shumway Road (Palms-to-Pines Highway) Comment
  UC1562958  Sanicula arguta S. Myers and R. Montijo 1990-4-20 3 Riverside Powder Canyon in the city of La Habra Heights Powder Canyon; La Habra Heights, Powder Canyon 243 Comment
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Apr 14 2013
  RSA614418  Sanicula crassicaulis D. L. Banks 1997-3-16 1551 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
  SDSU13888  Sanicula tuberosa Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2090 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR120690  Sarcostemma cynanchoides Helen Kennedy, T. B. Salvato 2002-2-2 5443 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR213253  Sarcostemma cynanchoides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37704 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
  UCR77761  Schinus molle Steve Boyd 1991-9-8 6426 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  RSA645545  Schinus polygamus A. C. Sanders, G. Helmkamp 1995-12-5 17930 Riverside Riverside: abandoned orange orchard on Spruce St. at Canyon Crest Dr. 300 Comment
  CAS-BOT-BC239935  Schismus arabicus John Thomas Howell 1977-3-12 52358 Riverside Wash bottom of Cottonwood Canyon, Joshua Tree Nat. Mon. Comment
  UCR167428  Schismus arabicus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  RSA774300  Schismus barbatus Duncan S. Bell 2011-4-7 2182 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  UC1117720  Schismus barbatus Alan A. Beetle 1946-4-18 4228 Riverside Devore Comment
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Jun 3 2012
  UCR162279  Schismus barbatus 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
  POM78931  Schoenoplectus acutus var. occidentalis I. M. Johnston 1925-7-7 5283 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  SEINET10506556  Scirpus chilensis David B. Dunn 1946-3-17 Dunn 2099 Riverside At the springs at pushawalla (palms) canyon. Indio hills. Alkaline Comment
  UC27617  Scrophularia californica Geo. R. Hall 1901-3-31 Riverside near Riverside Comment
  RSA425197  Scrophularia californica subsp. floribunda J. D. Olmsted 1962-5-10 3631 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  RSA425207  Scrophularia californica subsp. floribunda Christopher Davidson 1977-5-18 5615 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UC1713633  Scutellaria siphocampyloides Mary F. Spencer 1919-6-18 1194 Riverside San Jacinto Mountains Comment
  RSA557903  Scutellaria tuberosa Steve Boyd, Orlando Mistretta 1992-4-22 7012 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UCR162545  Secale cereale John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  UC1361956  Sedum niveum Reid Moran 1968-8-3 15346 Riverside on ne slope ridge 1 mi nw Toro Peak; nw of Toro Peak 2250 Comment
  RSA717616  Selaginella bigelovii Scott D. White 2006-4-27 11305 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  CAS-BOT-BC62090  Selaginella eremophila Milo S. Baker 1928-4-3 3296 a Riverside Palm Canyon Comment
  SBBG118800  Selaginella eremophila L. C. Wheeler 1964-10-17 8639 Riverside Orocopia Mtns, S of Hayfield Reservoir Comment
  CAS-BOT-BC363487  Senecio californicus A. G. Vestal 1929-3-28 s.n. Riverside 9 miles south of Hemet on the St. John's Grade Comment
  UCR113178  Senecio californicus A. C. Sanders 1998-3-11 21685 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  CAS-BOT-BC323994  Senecio flaccidus var. douglasii C. Epling; Wm. Robison 1933-6-24 s.n. Riverside Little San Bernardino Mts. San Gorgonio Wash near Banning. Comment
  JEPS30416  Senecio flaccidus var. douglasii Donald Kyhos 1958-5-23 58 -189 Riverside Banning, bank of San Gorgonio River San Gorgonio River Comment
  OBI8142  Senecio mohavensis David J. Keil, Malcolm McLeod, Dirk Walters 1977-4-16 12075 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
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Apr 27 2013
  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
  UCR59720  Sesbania herbacea George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  RSA357133  Sesuvium verrucosum R. F. Thorne, P. A. Munz, Earl Lathrop 1968-5-8 37607 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  UCR214893  Sesuvium verrucosum A. C. Sanders, Richard Dwerlkotte 2010-3-22 37520 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  CAS-BOT-BC243634  Setaria pumila S. B. Parish 1912-10-13 8244 Riverside Mecca, Salton Basin -57 Comment
  CSUSB813  Sidalcea malviflora Kirk Taylor 1976-5-23 Riverside Mesa de Colorado; 9 miles west of Murrieta, on Tenaja Road. 548 Comment
  UCR102845  Sidalcea malviflora A. C. Sanders 1997-4-3 20152 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA496386  Sidalcea malviflora subsp. sparsifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-31 3063 Riverside Vail Lake area, S. of Hwy 79, 0.25 mile E. of Pauba Rd 427 Comment
  SBBG118810  Sidotheca trilobata R. Pant, D. Banks 1996-5-1 1013 Riverside Cutca Trail, E of the Cutca Valley, ca. 0.5 mi W of the Aguanga Trail jct Comment
  CSUSB709  Silene gallica Annette Price 1962-5-8 089 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in Foothill woodland along Tenaja Road, 7 miles from Washington Ave. Comment
  RSA586727  Silene laciniata subsp. major D. L. Banks, Steve Boyd 1995-5-17 0449 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
  RSA701677  Silene laciniata subsp. major Steve Boyd, Valerie Soza 2004-6-22 11555 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
  SBBG33799  Silene parishii R. Moran 1968-8-3 15369 Riverside N slope, 1 mi W of summit, Santa Rosa Mtn 2150 Comment
  RSA164884  Simmondsia chinensis Peter Gail 1963-3-29 124 Riverside Eagle Mts, 2 mi. off road to Metropolitan Water pump station, on side of wash. 610 Comment
  RSA701092  Simmondsia chinensis Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11270 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
  SEINET7376779 Image available Simmondsia chinensis Leila M. Shultz, John S. Shultz 1985-1 8354 Riverside Southeast benches of the Chuckwalla Mountains at Alligator Rock 341 Comment
  UCR91515  Sisymbrium erysimoides A. C. Sanders 1995-2-6 15918 Riverside City of Riverside, Margins of UCR Botanic Garden fruit demonstration orchard 366 Comment
  UC1921998  Sisymbrium irio Scott D. White, Angelia Carey 2004-5-7 10338 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  RSA752788  Sisymbrium orientale Scott D. White, Justin M. Wood 2009-5-21 12851 Riverside San Jacinto Mts: Idyllwild, Mile High Country Inn at 54635 N Circle Dr. 1677 Comment
  UCD115612  Sisymbrium orientale Philip A. Munz; P. C. Everett 1952-5-2 16237 Riverside NW end of Coachella Valley. 457 Comment
  CSUSB978  Sisyrinchium bellum Anna Mayers 1978-4-24 Riverside Rubidoux Nature Center, Riverview Drive, Rubidoux. Comment
  UCR189285  Solanum americanum Fred M. Roberts, S. Leatherman 2007-9-19 6584 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR262465  Solanum lanceolatum A. C. Sanders, Martha Coleman, Carol Tran 2007-10-10 34411 Riverside Riverside; weed in the UCR Botanical Garden, near the west fence about half way up 366 Comment
  POM301541  Solanum triflorum J. C. Roos 1937-6-7 1453 Riverside Aguanga. Comment
  CAS-BOT-BC156676  Solanum umbelliferum P. A. Munz 1932-3-24 12030 Riverside North of Elsinore 304 Comment
  JEPS12143  Solanum umbelliferum W. L. Jepson 1939-4-17 19124 Riverside near Twin Springs (Temescal Canyon); Temescal Canyon 274 Comment
  UC917797  Solanum umbelliferum Frank W. Gould 1943-4-17 2116 Riverside 12 mi s of Corona Comment
  RSA0020567  Solanum umbelliferum Diane M. Ramirez 1983-5-15 9 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  CDA19689  Solanum xanti J. Chandler 2001-10-1 PDR P 170014 Riverside Southern California; Jordan Farms in the vicinity of Murrieta. 0 Comment
  UCR135858  Solanum xanti A. C. Sanders 2004-4-20 27528 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR166768  Solanum xanti Scott D. White, Jennifer H. Jones 2005-5-25 11114 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment<