Search Results — 2000 specimen records retrieved (1888 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0051596  Abies concolor Mike Thornburg 1977-5-29 s.n. Riverside San Jacinto Nat'l. Forest, Reeds Camp. 2438 Comment
  CSUSB1086  Abronia villosa K. A. Lamb 1968-4-29 690429 8 Riverside East side of San Jacinto River Wash on Main Street, San Jacinto, near Soboba Hot Springs Golf Course. Comment
  RSA155551  Abronia villosa L. S. Rose 1962-3-2 62010 Riverside La Quinta 3 Comment
  SBBG1867  Abronia villosa H. and M. Dearing 1939-12-31 4047 Riverside 5 mi N of Palm Springs Comment
  SBBG27783  Abronia villosa D. Myrick 1964-4-30 813 Riverside Pines to Palms Hwy 74 at Palm Desert Comment
  SEINET893717  Abronia villosa Norman C. Cooper 1944-1 1104 Riverside Cabazon. 457 Comment
  UC724233  Abronia villosa Aven and Ruth Nelson 1939-3-22 3216 Riverside s Indio (The 100 Palms resort, Highway 99) Comment
  SD143825  Abronia villosa var. aurita Scott D. White 1997-5-25 5221 Riverside Bautista Canyon, along Bautista Canyon Rd. ca. 1.3 miles northwest of Hixon Trailhead. 700 Comment
  UCR234257  Abronia villosa var. aurita A. C. Sanders 2012-4-12 40024 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  UCR234804  Abronia villosa var. aurita Jim Andre, Glenn L. Clifton 2011-2-22 17473 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  RSA782338  Abronia villosa var. villosa Jim Andre, G. L. Clifton 2011-2-22 17467 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  UCR123830  Abronia villosa var. villosa Steven R. Hill, K. Kramer 2001-4-27 33489 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  UCR127579  Abronia villosa var. villosa D. E. Bramlet 2003-5-28 3455 Riverside San Gorgonio wash, along dirt road to MWD tailings site, 1768m south of Cabazon, and 762m north of the Colorado aqueduct 545 Comment
  UCR178579  Abronia villosa var. villosa R. G. Swinney 1967-2-11 0003 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  SJSU5450  Acamptopappus sphaerocephalus R. C. McGehee 1970-4-30 247 Riverside 4 mi W of Corn Springs, Chuckwalla Mts, 18 mi SE of Desert Center Comment
  UCR177854  Acamptopappus sphaerocephalus Marisa Sripracha, K. A. Boyd 2004-3-21 048 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  CAS-BOT-BC30909  Acamptopappus sphaerocephalus E. C. Jaeger s.n. Riverside Whitewater Comment
  SBBG57047  Achnatherum occidentale subsp. occidentale R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  CHSC26095  Achnatherum parishii Dieter H. Wilken 1965-6-29 387 Riverside West end of the Hemet Valley (Garner Valley) near lake Hemet San Jacinto Mtns. 1371 Comment
  POM1070  Achnatherum speciosum J. D. Abrams 1901-05 990 Riverside Elsinore. Comment
  CAS-BOT-BC384734  Achyronychia cooperi C. L. Hitchcock 1940-3-29 5847 Riverside Ca. 12 mi. east of Indio Comment
  RSA672325  Achyronychia cooperi George B. Grant 1906-5-1 s.n. Riverside Palm Springs, Colorado Desert. Comment
  UCD84935  Achyronychia cooperi Chuck Hughes 2010-3-23 207 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  UCR148859  Achyronychia cooperi 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 20 Comment
  UCSB23492  Achyronychia cooperi Keefe, Joseph 1967-1-2 Riverside Campground; Salton Beach Park; northeast end of Salton Sea; southeast of Mecca -36 Comment
  UCD104583  Acmispon R. Tofsrud 1951-3 s.n. Riverside W. of Elsinore on Hwy. 74. 609 Comment
  SD224960  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3092 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  UCD170827  Acmispon glaber var. brevialatus T. B. Salvato; John F. Green 2004-5-27 622 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. Comment
  JOTR30682  Adenophyllum porophylloides La Doux, Tasha, Jim Andre 2008-9-13 271 Riverside Joshua Tree National Park. At the base of NW end of Belle Mountain at Pinto Wye Maintenance service area 1103 Comment
  RSA735240  Adenophyllum porophylloides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11212 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR175074  Adenostoma fasciculatum Teresa Nieto 2005-5-26 25 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UC403963  Adenostoma sparsifolium C. Van Deventer Aug 1903 Riverside San Jacinto Mt. Region Comment
  UCSB2738  Adenostoma sparsifolium Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts, 1524 Comment
  RSA687680  Adiantum capillus-veneris Norman C. Cooper 1944-4-8 1090 Riverside Andreas Canyon 457 Comment
  SD129152  Aegilops tauschii A. C. Sanders 1989-5-22 9491 Riverside Riverside, scarce annual weed in a dirt field east of Batchellor Hall on the University of California-Riverside campus. 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
  UCD52295  Agrostis exarata Peter M. Ray Date Unknown 1934 Riverside Hall Canyon, San Jacinto Mtns. Comment
  UC455165  Agrostis idahoensis I. J. Condit 1910-6-23 Riverside near spring (Tahquitz Camp); San Jacinto Mts., Tahquitz Camp 2438 Comment
  RSA591754  Agrostis pallens E. W. Lathrop 1966-5-29 6378 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UCR125292  Albizia julibrissin A. C. Sanders 2002-11-21 25635 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR116074  Alchemilla occidentalis O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  UCR207357  Alchemilla occidentalis O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  SEINET10479053  Allenrolfea occidentalis Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4919 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  CAS-BOT-BC434485  Allionia incarnata Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9579 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UCR19401  Allionia incarnata Carl Epling, H. Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mountains Comment
  UCR42489  Allionia incarnata P. J. Leary 1974-10-26 516 Riverside Mojave Desert, N of Mary Peak, Hexie Mountains, Joshua Tree National Monument [now Park] 610 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
  RSA367021  Allium Ducelia Sobb 1937-04 s.n. Riverside Near Blythe. Comment
  UCR281565  Allium haematochiton Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-4-4 417- 96 Riverside Gavilan Hills, Proposed SCE transmission route, 0.4 miles NW of Lake St. and Walker Canyon Rd. 418 Comment
  SEINET12049414  Allium hyalinum B. C. Templeton 1930-1 1484 Riverside N of Gavilan[????]? 550 Comment
  UCR225670  Allium marvinii Steve Boyd 2010-5-16 12275 Riverside San Jacinto Mountains, Northwestern base of San Jacinto Mountains along Highland Springs Ave, 1.5 mi south of Breckenridge Ave, City of Banning 732 Comment
  UCR27204  Allium munzii L. F. LaPre, E. B. Ellis 1982-4-24 s.n. Riverside Peninsular Range, Temescal Canyon at Indian Truck Trail (De Palmas Road). 349 Comment
  RSA0000095  Allium munzii Philip A. Munz 1922-4-29 5051 Riverside 3 miles south of Glen Ivy. Comment
  SEINET3880032  Allium parryi Bonnie C. Templeton 1920-4-15 1477 Riverside Near Gacilau Peak. W of Perris.; 0 400 Comment
Read comments
Jul 8 2015
  UCR17055  Allium praecox E. W. Lathrop 1971-3-21 7462 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  RSA192035  Allophyllum glutinosum E. W. Lathrop 1966-5-9 6275 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  UC455464  Allophyllum glutinosum I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  SD60432  Alnus rhombifolia Reid Moran 1964-7-27 11856 Riverside Canyon of Santa Margarita River, 2.5 miles south-southwest of Temecula 199 Comment
  HSC46427  Alopecurus saccatus Christopher Davidson 1977-5-25 5648 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mtns. 701 Comment
  UCR60528  Alopecurus saccatus R. F. Thorne 1973-5-23 43848 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCR1496  Althaea rosea Annette Price 1962-4-12 24 Riverside Box Springs Mountains, King's Drive-In on 8th Street, at the edge of Riverside, c. 1 block from the UCR campus 305 Comment
  RSA500562  Amaranthus albus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3609 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA793469  Amaranthus albus Duncan S. Bell 2012-9-13 4193 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  CDA3239  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/San Bernardino Valley Region; Riverside, east side of Streeter Ave. just S of Scott Ave., between Arlington and Central Aves. Comment
  RSA608468  Amaranthus palmeri R. S. Woglum 1941-6-12 3061 Riverside Idyllwild Comment
  UCR163092  Amaranthus palmeri B. G. Pitzer, G. R. Ballmer 2000-10-14 4226 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  RSA661034  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23077 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  CAS-BOT-BC13614  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  RSA781884  Ambrosia acanthicarpa Duncan S. Bell 2011-10-22 3002 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  CAS-BOT-BC22608  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -335 Riverside Joshua Tree National Monument: about 7 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22612  Ambrosia dumosa P. H. Raven 1958-1-24 11463 Riverside Fargo Canyon Comment
  JEPS40957  Ambrosia dumosa I. W. Clokey and B. C. Templeton 1930-4-9 4705 Riverside n of Palm Springs; Colorado Desert 170 Comment
  CAS-BOT-BC30795  Ambrosia ilicifolia P. A. Munz; D. D. Keck 1922-4-9 4782 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  UC219179  Ambrosia ilicifolia P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4782 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  RSA575931  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  JEPS30459  Ambrosia salsola Peter H. Raven 1958-1-23 11414 Riverside 2.7 mi w Whitewater Post Office Comment
  UCR102898  Amorpha fruticosa Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, where trail crosses Horsethief Creek 1341 Comment
  UCR19436  Amorpha fruticosa C. S. Papp 1963-6-29 311 Riverside Riverside, Santa Ana River bed Comment
  SEINET3218584 Image available Amorpha fruticosa var. occidentalis Lynn Baasch 1971-5-24 Riverside Santa Ana River bed 1/4 mi S. E. of U.P.R.R. bridge. Comment
  RSA525691  Amsinckia intermedia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4562 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR120925  Amsinckia intermedia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24923 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR138889  Amsinckia intermedia D. L. Banks 1997-4-5 1684 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
  UCR136275  Amsinckia menziesii var. menziesii A. C. Sanders 2004-4-20 27560 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
  UCR234222  Amsinckia retrorsa A. C. Sanders, John F. Green 2012-3-20 39974 Riverside Peninsular Range; Gavilan Hills Area, hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  RSA562064  Amsinckia tessellata Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6919 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA782811  Amsinckia tessellata A. C. Sanders, Nathan Moorhatch 2011-3-22 38763 Riverside Powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 473 Comment
  RSA796104  Amsinckia tessellata Duncan S. Bell 2009-4-20 316 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  RSA180491  Anagallis arvensis E. W. Lathrop 1960-4-15 4760 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  RSA524422  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4117 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
  UCR60547  Anemopsis californica R. F. Thorne 1973-5-23 43878 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCR95237  Anemopsis californica D. L. Banks, Dylan Hannon 1996-5-3 1008 Riverside NW Palomar Mtns, Agua Tibia Mtns; Cleveland National Forest, north of Agua Tibia Wilderness Area; 60 m NW of the end of the Dripping Springs campground drive, where the road makes a loop turn-around, west of the campground road. 494 Comment
  POM48634  Antennaria rosea Mary F. Spencer 1919-6-25 1219 Riverside Tacquitz Meadow, San Jacinto Mt. 2378 Comment
  UCSB12687  Antirrhinum coulterianum Hochberg, Fred 1961-5-6 Riverside 50 ft. off Riverside 1; 7 miles from junction at Banning; base of San Jacinto Mtns 1158 Comment
  UC672560  Antirrhinum kelloggii Herbert L. Mason 1926-5-2 3198 Riverside Temecula Valley Comment
  RSA678952  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-3 9462 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR96799  Antirrhinum nuttallianum G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, c. 1 mi. north of Arnold Heights, just north of road & west of Alessandro Blvd. 470 Comment
  RSA180499  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1965-5-23 5766 -a Riverside Riverside, 8 miles W of Murrieta 610 Comment
  SEINET3080986 Image available Apiastrum angustifolium Frank Ambrey 1959-4-12 Riverside 200 yds South of Isolation Orchard on UCR Campus (300 yds W of Webber Hall) 366 Comment
  POM97123  Apiastrum angustifolium P. A. Munz 1925-5-20 9819 Riverside 2 miles west of Dripping Springs. 427 Comment
  SDSU13348  Apocynum cannabinum Joseph Verfaillie, Shasta Gaughen 2000-4-29 48 Riverside Santa Margarita Eclogical Reserve, (SDSU) The north side of the Santa Margarita river about 1/4 mile west of the pipe line crossing. About 5-15 feet from the river. 235 Comment
  UCR27093  Arabis repanda T. P. Krantz, K. Berg 1982-5-25 s.n. Riverside San Jacinto Mtns., south ridge of Taquitz Peak, near the trailhead 1829 Comment
  UCR128304  Arabis sparsiflora var. arcuata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8632 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA697538  Arctostaphylos bicolor J. Russell Bruff 1929-1-1 410 Riverside Roadside foot of Jackrabbit Grade. Comment
Read comments
Mar 20 2011
  RSA629424  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16847 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  SD110279  Arctostaphylos glandulosa J. Dice, J. Kerbavaz 1981-1-26 Riverside West side of I-15 just north of Italian Aires restaurant, southernmost Riverside County. Comment
  UCR273501  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42601 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  UCR6046  Arctostaphylos glandulosa Robert A. Clark 1966-3-19 031966- 08 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive 6 miles from entrance off Chase Ave., Corona 762 Comment
  RSA629359  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15544 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 Comment
  RSA263747  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1968-5-22 6908 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC24667  Arctostaphylos glauca Vernon O. Bailey 1907-9-11 1276 Riverside Edge of Mojave Desert, e. of Morongo Valley. Comment
  RSA631780  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19277 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631788  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16734 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA631824  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16607 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  SBBG60016  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 0.5 mi SW of summit of Moreno Grade, bad lands, SW of Beaumont 609 Comment
  UC1366100  Arctostaphylos glauca K. R. Montgomery 1969-9-7 69 -24 Riverside Wilson Valley Rd 18 mi s Hemet 1219 Comment
  UC1334957  Arctostaphylos parryana H. A. Jensen 1937-11-5 444 Riverside ridge between Strawberry Valley and Tahquitz Valley; San Bernardino Nat. Forest, San Jacinto Quadrangle 2468 Comment
  RSA633531  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20130 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633569  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
  RSA633573  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22511 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633575  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21769 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633624  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16698 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA635301  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22540 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  RSA635693  Arctostaphylos pringlei Jon E. Keeley 1994-4-27 25348 Riverside North side of Santa Rosa Mountain. 1900 Comment
  RSA125854  Arctostaphylos pringlei subsp. drupacea E. K. Balls, Percy C. Everett 1957-11-6 22795 Riverside Idyllwild to Banning. 1768 Comment
  UC1861761  Arctostaphylos pringlei subsp. drupacea Steve Boyd, Valerie Soza 2004-6-22 11552 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  JEPS46254  Arctostaphylos pungens A. E. Wieslander 1929-2-1 Riverside near Prison Camp; San Jacinto Mts. Comment
  POM47184  Arctostaphylos pungens Mary F. Spencer 1920-1-12 1324 Riverside Idyllwild San Jacinto Mt. 970 Comment
  RSA635813  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16552 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  RSA635815  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16544 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  CAS-BOT-BC46257  Arctostaphylos rainbowensis A. C. Sanders; Kent Beaman 2002-5-10 25056 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills w. of the head pf De Luz Creek, 0.4 mi. s. of Tenaja Rd. On w. side of Calle 670 Comment
  RSA635991  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19536 Riverside West of Temecula, off Carancho Rd., 2.3 km west of Via Volcano, eastern Santa Margarita Mtns. 430 Comment
  RSA636011  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19559 Riverside Carancho Rd., W. of Temecula. 440 Comment
  SD180717  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 398 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  RSA36551  Arenaria macradenia Sara M. Schenck 1941-6-15 s.n. Riverside Black Springs wash, Joshua Tree National Monument. 1220 Comment
Read comments
Feb 24 2013
  UC488976  Argemone munita C. V. Meyer 1927-6-1 208 Riverside San Jacinto Mountains, Foot of Idyllwild Grade Foot of Idyllwild Grade; San Jacinto Mountains, Foot of Idyllwild Grade 762 Comment
  UCR109555  Argemone munita R. D. Goeden, Don W. Ricker 1981-3-11 s.n. Riverside Sonoran (Colorado) Desert, Bradshaw Trail along Salt Creek, east of Salton Sea, c. 3 mi. east of Coachella Canal 152 Comment
  CAS-BOT-BC401677  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-6-24 2170 Riverside .1 mile w. of Radec 516 Comment
  POM17817  Argemone munita subsp. robusta P. A. Munz, D. D. Keck 1923-6-14 7083 Riverside Glen Ivy Trail to Santiago Peak. 1494 Comment
  CAS-BOT-BC207119  Argythamnia lanceolata Marcus E. Jones 1929-9-16 24871 Riverside East of Desert Center Comment
  RSA342535  Argythamnia serrata R. F. Thorne, Dick Tilforth 1980-4-16 54018 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  SEINET3164528  Argythamnia serrata S. B. Parish 1907-4-16 6131 Riverside western borders of the Colorado Desert 360 Comment
  CAS-BOT-BC137652  Aristida adscensionis C. L. Hitchcock 1940-3-30 s.n. Riverside Cottonwood Spring. Comment
  CAS-BOT-BC137653  Aristida adscensionis D. A. Johansen; J. A. Ewan 1932-4-11 7089 Riverside Santa Rosa Mountains. Martinez Canyon. 365 Comment
  JOTR35378  Aristida adscensionis Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 167 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  UC1922811  Aristida adscensionis Michael Honer with L. Hulse 2005-3-8 2043 Riverside Colorado Desert; Little San Bernardino Mountains region: Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. Comment
  JOTR29565  Aristida californica var. californica Andre, Jim, Tasha LaDoux 2006-4-11 6739 Riverside Joshua Tree National Park. About 1 mi. N. of Pinto Basin Rd (paved), growing in Sand Hill area 526 Comment
  CLARK-A1528-4478  Aristida parishii John C. Roos 1946-11-30 3162 Riverside Chuckwalla Mountains Comment
  UCR244384  Aristida purpurea var. longiseta Jim Andre 2012-4-16 20957 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UCR2162  Aristida purpurea var. nealleyi F. M. Reed 1927-3-18 5426 Riverside Sonoran (Colorado) Desert, Salt Creek Wash, north of Salton Sea 152 Comment
  SD229062  Artemisia californica Dick Schwenkmeyer 2012-10-16 845 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UC64799  Artemisia californica E. E. Schellenger 1904-10-15 44 Riverside Cabazon Colorado Desert. Cabazon Comment
Read comments
Mar 13 2011
  UCR166709  Artemisia californica Scott D. White 2005-7-6 11155 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  SEINET186322  Artemisia ludoviciana subsp. mexicana Philip A. Munz 1938-8-13 15335 Riverside East of Santa Rosa Peak 2377 Comment
  UC449647  Artemisia palmeri F. M. Reed 1905-9-28 Riverside Santa Ana River bottom 243 Comment
Read comments
Sep 10 2008
  SEINET10547629  Asarina filipes David B. Dunn 1948-3-13 Dunn 3728 Riverside Vine found growing in wash. Indio hills, colorado desert. Near pushawalla. Comment
  CLARK-A1528-1460  Asclepias albicans John C. Roos 1947-2-14 3253 Riverside Hayfield Comment
  JEPS5170  Asclepias californica W. L. Jepson 1939-4-19 19214 Riverside w Aguanga; Dripping Spring Comment
  POM3649  Asclepias californica I. M. Johnston 1918-5-30 s.n. Riverside Temescal Canyon 365 Comment
  RSA0104758  Asclepias californica Mitch Provance, T. Tennant 1998-6-16 MOR- 393 Riverside Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon. 1159 Comment
  RSA782135  Asclepias erosa Stephanie Rockwood, Christi Gabriel 2011-10-18 131 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
  UCR163056  Asclepias erosa B. G. Pitzer, G. R. Ballmer 2000-10-14 4234 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  SEINET10580564  Asclepias erosa Marcus E. Jones 1931-9-15 Jones 28744 Riverside Hayfields 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
  RSA569001  Asclepias fascicularis N. C. Cooper 1944-7-15 1569 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  RSA138026  Asclepias subulata E. K. Balls 1960-4-8 24083 Riverside Grown in Botanic Garden, Claremont, from see (#892) collected Aug. 17, 1930, by B.D. Stark, from Box Canyon, Riverside. 122 Comment
  RSA784783  Asclepias subulata Duncan S. Bell 2012-3-18 3187 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SBBG58651  Asclepias subulata R. H. Nordhoff 1940-11-10 609 Riverside Thousand Palms Cyn Comment
  UCR35293  Asphodelus fistulosus N. J. Ziegler 1968-4-12 276 Riverside San Jacinto Mtns., foothills of the mountains on the road to Poppet Flats and over one mile from nearest habitation. Above Soboba Indian Reservation 579 Comment
  POM12717  Aster alpigenus var. andersonii Philip A. Munz 1922-7-6 5997 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCSB3031  Astragalus J. R. Haller 1957-3-23 1028 Riverside collected 1.0 mi N, in theCottonwood Springs at the southern boundary of Joshua Tree National Monument U S Highway 60 - Cottonwood Springs and U S Highway 60 609 Comment
  JOTR34269  Astragalus acutirostris La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3285 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  CAS-BOT-BC177467  Astragalus aridus Carl B. Wolf 1932-4-28 3078 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. West of Blythe on the Mecca Road 121 Comment
  CAS-BOT-BC177514  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside Between Cottonwood Spgs. and Pinto Basin Comment
  JOTR32189  Astragalus bernardinus Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  CLARK-A1528-2735  Astragalus didymocarpus John C. Roos 1938-4-28 1618 Riverside La Sierra Comment
  UCR18159  Astragalus didymocarpus var. dispermus A. C. Sanders 1978-4-30 00310 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  RSA0009602  Astragalus didymocarpus var. dispermus Marcus E. Jones 1926-2-16 s.n Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  POM12867  Astragalus douglasii var. parishii P. A. Munz 1930-6-29 5895 Riverside Santa Rosa Mtns Comment
  UC63673  Astragalus douglasii var. parishii H. M. Hall June 1901 2229 Riverside in the vicinity Strawberry Valley (San Jacinto Mountains); , vicin Strawberry Valley 1584 Comment
  UCR214866  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37392 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  CLARK-A1656-615  Astragalus lentiginosus var. coachellae Milton Walker 1978-1-27 Riverside Palm Springs 152 Comment
  UC862626 Image available Astragalus lentiginosus var. coachellae Alice Eastwood 1913-4-30 3116 Riverside Palm Springs Comment
  SBBG68271  Astragalus lentiginosus var. floribundus M. N. Ackley 1928-4-4 570 Riverside between Indio and Edom 60 Comment
  LA85610  Astragalus lentiginosus var. fremontii Elizabeth McClintock; 1946-4-14 Riverside Pines to Palms Highway, 2 miles from foot of grade Comment
  UCR85277  Astragalus lentiginosus var. fremontii Bern Schwenn 1991-5-21 s.n. Riverside Southern Mojave / Colorado Desert, Joshua Tree National Monument [now J.T.N. Park], Lost Horse Valley, east of Ryan Campground along California Riding and Hiking Trail. 1329 Comment
  CAS-BOT-BC178060  Astragalus nuttallianus S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  RSA308354  Astragalus palmeri Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3029 Riverside Santa Rosa Mountains. 1220 Comment
  UC863204  Astragalus palmeri P. A. Munz 1922-4-29 5114 Riverside Aguanga Comment
  LA212347  Astragalus palmeri Carol Haines; 1964-3-22 54 Riverside Joshua Tree National Monument, Jaeger Cove. 1280 Comment
  CAS-BOT-BC194138  Astragalus pomonensis C. L. Hitchcock; C. V. Muhlick 1962-3-16 22158 Riverside Temescal Canyon, ca. 12 mi. s.e. of Corona Comment
  CAS-BOT-BC194144  Astragalus pomonensis Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula Comment
  RSA619546  Astragalus pomonensis D. L. Banks 1997-5-5 1995 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA707890  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-16 10161 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
Read comments
May 30 2008
  UC574974  Astragalus pomonensis C. Epling and J. Ewan June, 1933 Riverside 5 mi above Corona (Temescal Canyon); , above Corona Comment
  UCR127359  Astragalus pomonensis A. C. Sanders, D. Malueg 2003-5-8 26566 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR232050  Astragalus pomonensis John F. Green 2008-4-15 0408- 13 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
  RSA90742  Astragalus pomonensis F. W. Peirson 1922-4-29 2957 Riverside Roadside W of Lake Elsinore. 381 Comment
  POM13917  Astragalus sabulonum P. A. Munz 1922-4-8 4739 Riverside Mecca, Colorado desert. -30 Comment
  UCSB11774  Athyrium filix-femina var. cyclosorum 1961-8-5 Riverside Along Fuller Mill Creek where it crosses Riverside Highway 1; San Jacinto Mtns 1645 Comment
  RSA614289  Athysanus pusillus D. L. Banks, V. W. Steinmann 1997-3-13 1519 Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  SBBG15833  Atrichoseris platyphylla D. Graney 1953-3-23 131 Riverside ca. 11 mi E of Indio Comment
  UC963818  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside near, and ca. 2.5 miles beyond Mission Well Meek Mine; Mojave Desert, Pinto Mountains 579 Comment
  POM187873  Atriplex argentea E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  RSA748734  Atriplex argentea Karin Cleary-Rose 1998-9-7 s.n Riverside west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  UCR116935  Atriplex argentea A. C. Sanders, D. Malueg 2001-5-17 24359 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  POM278665  Atriplex canescens Grant D. Brown 1949-12-14 471 Riverside 1/2 mile west of Indio city limits on Hwy 99. Comment
  JEPS59593  Atriplex canescens subsp. linearis Marjorie D. Clary 1932-10-2 1569 Riverside Point Happy 6 mi w Indio (along edges Whitewater Wash, Colorado Desert); Colorado Desert, Point Happy, w of Indio 30 Comment
  CLARK-A1528-5401  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside San Jacinto River 426 Comment
  OBI17358  Atriplex coronata var. notatior Robert F. Hoover 1968-1 Riverside Comment
  SD138899  Atriplex coronata var. notatior Craig Reiser 1994-5-2 Riverside Fenced field. Reiser by phone says this was probably collected in Hemet near California Street, in an area now a preserve Comment
  SEINET3931219  Atriplex coronata var. notatior John Roos 1952-1 Riverside Comment
  UCR70680  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2171 Riverside Perris-Aguanga Basin region, San Jacinto River, c. 1.6 km west of Lakeview & 30-40 m east of the river. c. 170 m north of MWD easement road 473 Comment
  UCR103481  Atriplex davidsonii D. E. Bramlet 1995-6-21 2442 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit. The site is located 1.4 km east of Davis Road and 152m south of the existing access road. the site is 579m north of San Jacinto River Channel 435 Comment
  RSA676295  Atriplex hymenelytra Scott D. White 2001-5-4 8449 Riverside Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio. 61 Comment
  RSA701087  Atriplex hymenelytra Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11247 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  POM278732  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 583 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  RSA24223  Atriplex linearis C. B. Wolf 1941-1-5 s.n. Riverside Colorado Desert, E side of Salton Sea. 1/2 way between Date Palm Beach and Salton Beach. -70 Comment
  SEINET4135549  Atriplex polycarpa Sears 1977-10-12 S 569 Riverside Corn Springs. Desert Palm Oasis, permanent flowing spring.; 0 512 Comment
  UCR8992  Atriplex semibaccata O. F. Clarke 1969-9-26 s.n. Riverside San Bernardino Valley/upper Santa Ana River Region, City of Riverside, University of California campus 335 Comment
  CAS-BOT-BC176759  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side of Latham St., ca. 1/8 mile W of intersection with Keats Dr. 245 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
  UCD169502  Atriplex serenana var. serenana John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR213868  Atriplex serenana var. serenana Scott D. White 2009-8-10 13355 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  CAS-BOT-BC146195  Avena barbata B. Pitzer 1997-4-1 3045 Riverside Lakeview Mountains, ca. 0.75 air mile south southwest of Mount Rudolph, ca. 1 air mile northeast of Contour (Juniper Flats) Road. 665 Comment
  RSA314628  Avena barbata R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55421 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  JOTR35175  Avena fatua La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3276 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
  UCR139033  Avena fatua D. L. Banks, V. W. Steinmann 1997-3-13 1448 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
  SD144502  Avena sativa A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20649 Riverside San Jacinto Mtns: N side along Hwy 243, 1.5 mi below Twin Pines Ranch Rd (McMullen Flat), N slope of peak 3740. 1067 Comment
  JOTR36019  Ayenia compacta Harding, Mitzi, T. Herskovits 2012-3-16 226 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA0104698  Ayenia compacta Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-3-5 7759 Riverside Chuckwalla Mountains; a side canyon off of Irish Wash, approximately 1.5 air miles southwest of Aztec Well. 696 Comment
  POM11740  Azolla filiculoides Philip A. Munz 1922-4-29 5109 Riverside Lancaster Valley, s. of Hemet 457 Comment
  JOTR32848  Baccharis brachyphylla La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1169 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  IRVC18892  Baccharis emoryi Karlin G. Marsh 1981-11-11 2 Riverside Blythe: north of Mayflower County Park, 5 miles north of I-10, along irrigation ditch into Colorado River. Sonoran Desert Comment
  CAS-BOT-BC106702  Baccharis salicifolia L. R. Abrams 1926-3-26 11069 Riverside Palm Canyon Comment
  CAS-BOT-BC106703  Baccharis salicifolia C. L. Hitchcock 1940-4-12 6048 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA180328  Baccharis salicifolia E. W. Lathrop 1965-3-30 5604 Riverside 14 miles W of Murrieta. Comment
  RSA701559  Baccharis salicifolia Steve Boyd, Aydee Virgen 2004-4-13 10851 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SBBG7732  Baccharis salicifolia H. and M. Dearing 1942-3-17 4834 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  RSA93169  Baccharis salicifolia F. W. Peirson 1920-2-15 2316 Riverside Palm Springs, Tahquitz Camp. Comment
  CAS-BOT-BC106674  Baccharis salicina A. C. Sanders; P. MacKay; C. L. Sanders; G. Helmkamp; J. Stewart 1994-12-4 15882 Riverside Colorado Desert, Salton Sink: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, -22 Comment
  RSA496379  Baccharis sergiloides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3056 Riverside Vail Lake area, 0.75 miles N of dam, at edge of dissected bench, S flank Oak Mountain 518 Comment
  UCR19179  Baccharis sergiloides John C. Roos 1948-9-14 3003 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  SD224826  Bahia absinthifolia Daryl Koutnik 1996-7-19 Riverside Riverside: Univ. of CA, Riverside, UCR Botanical Garden. 853 Comment
  SEINET4344930 Image available Baileya pauciradiata Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  UC665908  Baileya pauciradiata Ira L. Wiggins 1941-3-27 9687 Riverside 8 mi ne of, s end of Coxcomb Mts. Desert Center; Coxcomb Mountains Comment
  UCR16888  Baileya pauciradiata S. Nelson 1974-4-13 s.n. Riverside Sonoran (Colorado) Desert, [Coachella Valley] 2 mi north of U.S. Highway 10 on Washington St. 153 Comment
  UCR244892  Baileya pleniradiata Jim Andre 2012-3-19 21360 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 1.2 mi. east of Hwy 177 184 Comment
  CAS-BOT-BC16366  Barbarea orthoceras Steve Boyd 1992-4-14 6793 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail. 853 Comment
  RSA502593  Bassia hyssopifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3729 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  POM308551  Bebbia juncea Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3144 Riverside 10 miles east of Indio. Comment
  POM350774  Bebbia juncea Robert Gustafson, Gary D. Wallace 1982-5-19 2568 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  RSA516762  Bebbia juncea Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA655089  Bebbia juncea Scott D. White 2000-4-17 7654 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA604715  Bebbia juncea var. aspera L. C. Wheeler 1961-10-8 7932 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  RSA7461  Berberis dictyota C. B. Wolf 1933-8-24 S.N. Riverside 1/2 mi. below summit of Bedford Motorwaym last slope of the Santa Ana Mts. 976 Comment
  UCR99863  Berberis dictyota Scott D. White 1996-12-26 4647 Riverside San Jacinto Mtns, Bautista Canyon, along Bautista Canyon. Road, near junction with Tripp Flats Road 1174 Comment
  CAS-BOT-BC505214  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basic Region; San Jacinto Valley: San Jacinto Wildlife Area, E of old San Jacinto River channel, margin of flooded ponds 433 Comment
  UCSB37834  Bergia texana Roos, John 1952-5-28 Riverside San Jacinto river bottomland 1 mile southeast of Perris Comment
  SBBG81103  Bidens laevis S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, Riverside, S side of river; T2S, R5W SW 1/4 S30 207 Comment
  UCR213464  Bloomeria crocea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38362 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA180309  Bloomeria crocea var. crocea E. W. Lathrop 1965-5-30 5786 Riverside 6 miles W of Murrieta. Comment
  UC667362  Boechera pulchra Annie M. Alexander and Louise Kellogg 1941-5-19 2201 Riverside 1.5 mi n Cottonwood Spring; Colorado Desert 975 Comment
  JOTR30923  Boechera xylopoda La Doux, Tasha, Bill Truesdell 2008-4-29 2598 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  JEPS61277  Boerhavia coccinea W. L. Jepson 1928-4-25 12611 Riverside Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  UCD170132  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside San Jacinto Mtns., South fork of San Jacinto River, Hwy 74, c. 1-3 road mi. east of U.S. Forest Service Cranston Fire Station. 600 Comment
  RSA782133  Boerhavia coulteri var. palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 128 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  SD255216  Boerhavia coulteri var. palmeri Sarah J. De Groot, Amy Rouillard 2015-9-15 7564 Riverside Ford Dry Lake, Chuckwalla Valley north of I-10. 106 Comment
  CAS-BOT-BC434522  Boerhavia diffusa S. B. Parish; W. F. Parish 1881-7-1 590 Riverside Base of San Jacinto Mt. Comment
  UCR17642  Boerhavia erecta var. intermedia Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  JOTR30679  Boerhavia triquetra Andre, Jim, Tasha La Doux 2008-9-13 10264 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  UCR26230  Boerhavia triquetra John C. Roos 1946-11-29 3178 Riverside Sonoran (Colorado) Desert, S foot of Eagle Mtns [near Lost Palms Canyon?] Comment
  RSA780239  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-12 96 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  RSA793475  Boerhavia wrightii Duncan S. Bell, Aaron Sedgwick 2012-9-13 4209 A Riverside The Mecca Hills; approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  UC1930178  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Colorado Desert; Western Colorado Desert region: Maniobra Valley, Chiraco Summit Road off I-10. Comment
  CAS-BOT-BC145586  Bouteloua aristidoides J. Von Loh 1977-10-30 2589 Riverside Ford Dry Lake. Comment
  JOTR35094  Bouteloua barbata var. barbata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3545 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  UCR113619  Bouteloua gracilis Stan C. Spencer 1999-12-15 s.n. Riverside San Gorgonio Pass, Beaumont, Oak Valley Golf Club 762 Comment
  RSA528093  Bowlesia incana Scott D. White 1991-4-10 91 -54 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
  HSC101263  Brandegea bigelovii Jim Andre 2012-3-19 21362 Riverside Palen Valley; along Palen Pass Rd. (dirt), 1.2 mi. east of Hwy 177. 184 Comment
  RSA0042378  Brandegea bigelovii Duncan S. Bell, LeRoy Gross 2014-3-13 6239 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA118960  Brandegea bigelovii L. S. Rose 1957-1-8 s.n. Riverside Pal Desert 91 Comment
Read comments
Feb 20 2013
  RSA77415  Brandegea bigelovii F. W. Peirson 1927-4-12 7166 Riverside In Painted Canyon near Mecca. Comment
  UCR102950  Brandegea bigelovii George K. Helmkamp 1998-4-4 3169 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
  CAS-BOT-BC36849  Brassica tournefortii Ira L. Wiggins; Dorothy B. Wiggins 1966-2-22 20462 Riverside Along Highway 60, about 1.5 mile southeast of Garnet Hill. Comment
  RSA784969  Brassica tournefortii Duncan S. Bell 2012-3-18 3232 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UC1523404  Brickellia atractyloides Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54075 Riverside 3.2 mi n, w of Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernardino Mts. 609 Comment
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Jan 14 2010
  RSA226500  Brickellia californica C. W. Tilforth, John Dourley 1970-10-16 316 Riverside Along and above intermittent stream bed, road to Santa Rosa Mtn. Comment
  RSA588675  Brickellia californica Darin L. Banks, Steve Boyd 1995-10-26 0832 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary 713 Comment
  POM351177  Brickellia desertorum N. R. Zabriskie 1971-11-15 463 Riverside Andreas Canyon, E slope San Jacinto Mountains, Riverside Co. 305 Comment
  RSA700108  Brickellia desertorum Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  UC894158  Brickellia desertorum Carl B. Wolf 1932-10-13 Riverside Cottonwood Springs, Eagle Mts., Colorado Desert Colorado Desert, Eagle Mts., Cottonwood Springs 289 Comment
  RSA367529  Brodiaea Anstruther Davidson s.n. Riverside Palm Springs. Comment
  UCR18656  Brodiaea filifolia John C. Roos 1952-5-14 5667 Riverside Perris-Aguanga Basin region, 1 mi east of Perris along the San Jacinto River 427 Comment
  RSA356724  Brodiaea terrestris subsp. kernensis Robert F. Thorne, Earl Lathrop 1975-5-25 45552 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UCR23233  Brodiaea terrestris subsp. kernensis Melody Lardner 1981-5-31 195 Riverside Santa Ana Mtns, Tenaja Rd., 2.5 mi from the corner of Calle Collina Rd. and Tenaja Rd., 0.5 mi east of Squaw Mtn 610 Comment
  SEINET244299 Image available Bromus arenarius A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-9 24211 Riverside Perris-Aguanga Basin; Hemet., SE of intersection of State St and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi SSW of Hemet Butte. 500 Comment
  SEINET1906759  Bromus arizonicus A. C. Sanders, K. Rose & D. Woodard 1995-1 16221 Riverside San Gorgonia Pass/San Jacinto Mountains: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave., W of Snow Creek, E of Cabazon. 390 Comment
  UCR86644  Bromus arizonicus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16271 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  CAS-BOT-BC149438  Bromus berteroanus Peter H. Raven 1958-5-5 12882 Riverside Jumbos Rocks Camp Ground, Joshua Tree National Monument. Comment
  CAS-BOT-BC149444  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 914 Comment
  SEINET4691497  Bromus diandrus A. C. Sanders, John F. Green 2012-1 40036 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon along Temescal canyon Rd. between Glen Ivy and Indian Truck Trail c 370 m NW of El Hermano Rd. 312 Comment
  UCD59301  Bromus diandrus A. A. Beetle 1944-4-27 1998 Riverside West of Murietta. Comment
  RSA740616  Bromus grandis Scott D. White, Justin M. Wood 2008-6-19 12254 Riverside USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  UCR2221  Bromus grandis F. M. Reed 1925-5-23 5034 Riverside Peninsular Range; Santa Ana Mtns., Horsethief Canyon, Temescal Mountains 976 Comment
  RSA750754  Bromus hordeaceus Scott D. White, Justin M. Wood 2009-5-22 12898 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR104079  Bromus hordeaceus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20690 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR117651  Bromus hordeaceus Scott D. White, M. Jacobsmeyer 1996-4-20 3970 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  SEINET244774 Image available Bromus hordeaceus subsp. molliformis A. C. Sanders, D. Malueg 2002-4-8 24908 Riverside Perris-Aguanga Basin; Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UC1537242  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 107 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  SBBG97302  Bromus rubens W. L. Halvorson 1977-3-13 77 -181 Riverside near Temecula Comment
  UCR138140  Bromus rubens D. L. Banks, V. W. Steinmann 1997-3-13 1419 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
  UCR233072  Bromus rubens Edith B. Allen 2012-1-14 112- 02 Riverside Riverside, western foot of the Box Springs Mtns. on east edge of town, Islander Park, north of the east end of Big Springs Rd. 353 Comment
  UCR23875  Bromus rubens John C. Roos, L. Roos 1950-4-15 4739 Riverside Peninsular Range, Box Springs Mtns., Pigeon Pass 457 Comment
  POM363955  Bromus rubens N. C. Cooper 1944-4-8 1082 Riverside Andreas Canyon 305 Comment
  UCD59890  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  UCR211702  Caesalpinia gilliesii Fred M. Roberts, Kerry M. Byrne 2006-6-27 6346 Riverside Perris Basin, Hemet, just south of Florida Ave. and east of California Ave, 2.2 km northwest of the west end of Hemet Ryan Airport runway 463 Comment
  JOTR28872  Caesalpinia virgata La Doux, Tasha, Bill Truesdell 2004-3-17 1107 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  RSA1910  Caesalpinia virgata C. B. Wolf 1931-4-27 1091 Riverside Hidden Springs Canyon, 8.5 miles from Mecca. 6 Comment
  RSA20297  Caesalpinia virgata Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9564 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA517252  Caesalpinia virgata Steve Boyd 1986-2-18 1322 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UCR226789  Caesalpinia virgata Jim Andre 2011-2-9 15908 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR41274  Caesalpinia virgata B. G. Pitzer 1986-2-9 0006 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  UCR177994  Calandrinia ciliata S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  SD181490  California macrophylla Steve Boyd 2001-4-12 10401 Riverside Santa Ana Mountains-Gavilan Hills Region, Temescal Canyon, terrace escarpment just south of DePalma Road, between Indian Wash and Horsethief Wash. Comment
  SD73471  Callitriche heterophylla E. W. Lathrop 1966-4-13 6164 Riverside 3.0 miles northwest of Murrieta. Comment
  RSA592423  Callitriche marginata J. C. Roos 1966-3-6 s.n. Riverside Across 395 from March Air Force Base. Comment
  SEINET5334883  Calocedrus decurrens G. B. Grant 1901-1 691 Riverside from San Jacinto Mountains, S. Cal. 914 Comment
  UCR117615  Calochortus concolor Scott D. White 1997-5-25 5239 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA783083  Calochortus nuttallii J. D. Olmsted 1959-7-7 743 Riverside Tahquitz Creek. Tahquitz Valley ENE of Idyllwild. 2378 Comment
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Oct 18 2012
  RSA641092  Calochortus palmeri var. munzii Orlando Mistretta, Mark Elvin 1995-6-19 1773 Riverside San Jacinto Mountains. 1448 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
  UCR217529  Calochortus plummerae Diane Menuz 2008-6-20 474 Riverside San Bernardino Mtns. foothills, Bogart County Park, c. 350 m SW of fishing pond 987 Comment
  RSA50295  Calochortus splendens E. K. Balls 1949-5-4 13479 Riverside Cajalco Road, road to Lake Mathews, Gavilan Hills. 2 miles from Corona to Elsinore Highway. Comment
  UCR273986  Calochortus splendens Mitch Provance 2012-4-27 412- 31 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  PASA534  Calochortus venustus Mary Hall Riverside San Jacinto River Comment
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Jun 24 2016
  RSA560840  Calycadenia tenella Steve Boyd 1992-5-4 7182 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA81019  Calycoseris parryi G. R. Campbell 1952-4-6 18408 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 975 Comment
  RSA781806  Calycoseris wrightii Duncan S. Bell 2010-5-1 893 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
  JEPS122469  Calyptridium monandrum J. M. Andre 2012-6-15 30540 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  SD167060  Calyptridium monandrum A. C. Sanders, T. B. Salvato 2005-4-28 29768 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  UCR201945  Calystegia macrostegia Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UCR21841  Calystegia macrostegia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  CAS-BOT-BC221307  Calystegia macrostegia subsp. intermedia Frank W. Peirson 1929-5-4 8333 Riverside Lake Elsinore Comment
  CAS-BOT-BC221319  Calystegia macrostegia subsp. tenuifolia John Thomas Howell 1930-5-10 4801 Riverside At top of St. John's Grade Comment
  RSA394932  Calystegia macrostegia subsp. tenuifolia M. M. Thompson 1947-6-9 C- 2083 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR116929  Camissonia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24214 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR202236  Camissonia Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  HSC16409  Camissonia bistorta C. L. Hitchcock, C. V. Muhlick 1964-3-17 23087 Riverside 1/2 mi. SE of Glen Ivy Hot Springs Comment
  SEINET272325  Camissonia bistorta A. C. Sanders, G Helmkamp 1997-3-15 19965 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UCR156093  Camissonia bistorta T. B. Salvato, Kent Beaman 2005-5-16 802 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
  UCR97688  Camissonia bistorta A. C. Sanders, G. Helmkamp 1997-3-15 19965 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  RSA703410  Camissonia brevipes subsp. brevipes LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1408 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA776640  Camissonia brevipes subsp. brevipes Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1097 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center. 413 Comment
  RSA524584  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4132 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
  UCR35219  Camissonia californica L. B. Ziegler 1968-5-11 288 Riverside San Jacinto Mountains foothills, mouth of Bautista Canyon 610 Comment
  RSA454737  Camissonia cardiophylla M. B. Dunkle 1933-3-4 3048 Riverside Painted Canyon. Colorado Desert. 30 Comment
  JOTR31901  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2149 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  CSUSB196  Camissonia claviformis Sally Bell 1964-3-12 Riverside Cathedral City, about 500 feet west of Blue Skies Trailor Court off highway 111, in sandy soil. 96 Comment
  RSA781902  Camissonia claviformis Duncan S. Bell 2010-5-1 888 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
  RSA784931  Camissonia claviformis Duncan S. Bell 2012-2-12 3099 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR104021  Camissonia claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2713 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  SEINET10492060  Camissonia claviformis David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3759 Riverside Found at top of hills to the w of wash. Pushawalla canyon, indio hissl of the colorado desert; w of indio. Comment
  RSA448922  Camissonia claviformis subsp. aurantiaca Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mountains. Comment
  RSA510019  Camissonia claviformis subsp. claviformis B. Pitzer 1988-3-10 652 B Riverside W side of Chuckwalla Mtns., on gas line road ca. 1.5 mi. N of intersectio with Red Cloud Mine Rd. (& wash); ca. 2 miles (airline) S of Hwy I-10., [Red Cloud Rd. 10 km cell; PH-2N, 3E.] 488 Comment
  RSA572981  Camissonia hirtella Steve Boyd 1986-4-22 1759 Riverside Temescal Canyon: stable alluvial benches of Indian wash just south of Interstate 15. Comment
  RSA749236  Camissonia hirtella Robert F. Thorne, Walter Wisura, David Michener 1982-5-24 55190 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
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Oct 27 2011
  UCR20823  Camissonia intermedia A. C. Sanders, Steve Boyd 1980-5-2 1415 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CSUSB865  Camissonia micrantha Pat Halligan 1968-4-18 Riverside Wash between Lothian Hall and the physics building on UCR campus. Comment
  JOTR30663  Camissonia pallida subsp. pallida Andre, Jim, Tasha La Doux 2008-3-21 8841 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  POM126860  Camissonia refracta Joseph Grinnell 1910-3-17 s.n. Riverside Riverside Mt. Colorado River. Comment
  SEINET238561  Camissonia strigulosa George K. Helmkamp 1998-6-27 4103 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unamed spring. 1585 Comment
  UCR116465  Camissonia strigulosa A. C. Sanders, T. B. Salvato 2001-3-30 23862 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
  UCR127351  Camissonia strigulosa A. C. Sanders, D. Malueg 2003-5-8 26561 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UCR249836  Camissonia strigulosa T. B. Salvato, John Lovio 2013-3-19 7356 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  SD137703  Camissoniopsis hirtella Darin L. Bankls, Steve Boyd 1995-5-3 260 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountains, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  JOTR34225  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding 2010-4-7 3635 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UC668352  Camissoniopsis pallida subsp. pallida Annie M. Alexander and Louise Kellogg 1941-4-22 2059 Riverside top of Morongo Pass Mohave Desert, Morongo Valley Gorge 701 Comment
  RSA613141  Cardamine hirsuta D. L. Banks 1997-3-6 1411 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Area between a newly established firebreak on the south end of the Reservation, west of Magee Truck Trail and upper Pala Creek. 396 Comment
  UCD85858  Carduus pycnocephalus A. C. Sanders; B. Pitzer 1987-4-21 7049 Riverside Box Springs Mountains, Summit of Pigeon Pass Road. 579 Comment
  RSA526160  Carex barbarae Steve Boyd, Timothy S. Ross 1990-5-11 4663 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
  CHSC106640  Carex bolanderi P. Zika; N. Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains (SnJt); Bridge over N Fork San Jacinto River, Dark Canyon, at campground. 1785 Comment
  UC72393  Carex fracta H. M. Hall Jul 1901 2459 Riverside Tauquitz Valley San Jacinto Mountains 2133 Comment
  RSA572422  Carex globosa Christopher Davidson 1977-5-18 5621 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  IRVC1230  Carex multicaulis R. H. Whittaker, W. A. Niering 1963-5-29 SJ 64 Riverside Highway above Idyllwild. Peninsular Ranges, San Jacinto Mountains 1860 Comment
  CAS-BOT-BC119866  Carex nebrascensis Franklin Wilson Hall 1908-7-10 2559 Riverside Meadow in Round Valley, San Jacinto Mt. Comment
  SD112274  Carex sartwelliana Darley F. Howe 1941-6-8 1293 Riverside San Jacinto Mountains, Strawberry Creek. Comment
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Aug 21 2007
  RSA682459  Carex senta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8642 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR58883  Castela emoryi J. M. Stewart 1989-10-17 613 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 2.5 mi. west of Wiley's Well Comment
  UCR116979  Castilleja affinis A. C. Sanders, T. B. Salvato 2001-5-3 24084 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR201407  Castilleja applegatei subsp. martini Justin M. Wood, Brandy N. Ulrich 2008-7-14 20 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  RSA448700  Castilleja applegatei subsp. martinii Christopher Davidson 1975-6-16 2816 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  RSA0010936  Castilleja exserta subsp. exserta Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA741067  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-6-5 12075 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA0010928  Castilleja exserta subsp. exserta N. C. Cooper 1944-3-25 1000 Riverside Cabazon. 457 Comment
  RSA400599  Castilleja foliolosa E. Crow 1929-4-7 309 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  UCD122491  Castilleja foliolosa K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR133711  Castilleja martinii N. C. Cooper 1944-6-17 1418 Riverside San Jacinto Mtns., [road to Idyllwild] above Banning 1372 Comment
  RSA0010956  Castilleja miniata subsp. miniata L. Crutcher 1933-8-22 5 Riverside Summit of Tahquitz Peak, San Jacinto Mts. Comment
  RSA674609  Castilleja minor Scott D. White 2000-8-5 8110 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA701363  Castilleja minor subsp. spiralis Steve D. Boyd, Aydee Virgen 2004-4-13 10866 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA734502  Castilleja minor subsp. spiralis M. Wall 2008-6-16 458 Riverside East of Hemet off Hwy 74, plants locally common on moist banks of the San Jacinto River, ca. 2.0 miles east of the Cranston Ranger Station. 638 Comment
  UCR27067  Caulanthus hallii T. P. Krantz, K. Berg 1982-5-26 s.n. Riverside San Jacinto Mtns., along Bonita Vista Road, north of Garner Valley Comment
  UCD114553  Caulanthus heterophyllus A. C. Sanders; Steven R. Hill 2001-5-4 24134 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Road at Avenida del Oro (to Sandia Crk. Dr.), E side of Rancho C. Road. 148 Comment
  RSA564042  Caulanthus lasiophyllus var. rigidus D. Bramlet 1993-4-13 2323 a Riverside Approxiamtely 61m S of the existing Lake Mathews access road, some 549m N of Cajalco road, in the Cajalco bend area. The site is 1.2km W of Lake Mathews Drive. Comment
  JEPS48718  Ceanothus W. L. Jepson 1939-4-17 19164 Riverside 2 mi s Temecula (on Fallbrook rd) 304 Comment
  RSA25590  Ceanothus crassifolius Carl B. Wolf 1941-6-27 10898 Riverside Santa Ana Mts. Ortega Hwy, 3.3 miles E of Orange County line. 579 Comment
  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
  RSA569986  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7919 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. 792 Comment
  UCR225190  Ceanothus crassifolius Steve Boyd, Susan Jett 2008-3-20 11830 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  RSA85506  Ceanothus leucodermis J. C. Roos 1952-4-23 5574 Riverside 1/2 mi. southwest of Highgrove. 305 Comment
  UCR268306  Ceanothus leucodermis Jim Andre 2012-6-15 30511 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
  RSA586047  Ceanothus oliganthus var. oliganthus D. L. Banks, S. D. Boyd 1995-3-16 99 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. 549 Comment
  UC718443  Ceanothus oliganthus var. oliganthus P. C. Everett 1935-6-18 7208 Riverside ca 1.5 mi n Main Divide Motorway (Coldwater Canyon trail.); Santa Ana Mts. Comment
  CAS-BOT-BC63465  Ceanothus palmeri Carl B. Wolf 1932-8-4 3920 Riverside San Jacinto Mts. Point View, near Idylwild. 1645 Comment
  CAS-BOT-BC51924  Ceanothus perplexans H. E. McMinn 1925-7-1 1460 Riverside Jack Rabbit Grade to San Jacinto from Banning Comment
  UCSB22500  Ceanothus perplexans Rocke, H. 1963-5-4 Riverside 3 miles south of Idyllwild 1219 Comment
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Nov 29 2014
  POM6883  Ceanothus tomentosus var. olivaceus P. A. Munz, L. T. Street, G. Williams 1919-3-25 2326 Riverside Beaumont. Comment
  UCR125301  Centaurea repens A. C. Sanders, Seuk Ku Hong 2003-1-22 25669 Riverside San Bernardino Valley Region, Riverside, Arlington area, Doolittle Ave. 0.1-10. km NW of Van Buren Blvd., west of Riverside Airport and east of the site of Hole Lake 226 Comment
  RSA741180  Centaurium venustum Scott D. White, Justin M. Wood 2008-7-10 12459 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  JEPS106970  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 7 Riverside Hemet, N of CA-74 and W of Warren Road Comment
  SEINET6413741  Centromadia pungens subsp. pungens R. Spellenberg 2014-5-5 14772 Riverside CA Highway 79 N of Hemet, ca 0.5 km so f Ramona Expressway. 445 Comment
  UC1929296  Centromadia pungens subsp. pungens Scott D. White, Justin Wood 2008-6-26 12295 Riverside Perris Basin; I-215 freeway @ stream crossing, just W of golf course and just N of Newport Rd. 434 Comment
  UCR243513  Centrostegia thurberi Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21081 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  JOTR00987  Centrostegia thurberi Cole, James E. 1941-5-17 711 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1280 Comment
  UCR273111  Cerastium glomeratum Mitch Provance 2001-4-21 17013 Riverside San Bernardino Valley, Jurupa Mountains, Jurupa Valley, Sunnyslope area, E of Sierra Ave, N of Lauren Ln., at SW base of 'Noname Mtn. 320 Comment
  JOTR31978  Cercidium floridum subsp. floridum La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2214 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  LA47742  Cercocarpus betuloides W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  LA47751  Cercocarpus betuloides Elizabeth McClintock; 1940-4-23 sn Riverside Upper part of Idyllwild grade Comment
  CAS-BOT-BC135496  Cercocarpus betuloides var. betuloides K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway near road to Shumay Comment
  SD229254  Cercocarpus betuloides var. betuloides Dick Schwenkmeyer 2012-8-6 772 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  SD260297  Cercocarpus minutiflorus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42414 Riverside Peninsular Range: UC Emerson Oaks Resrve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161a^z) of water tank. 473 Comment
  UC1424842  Chaenactis artemisiifolia E. W. Lathrop 1968-6-2 6956 Riverside trail between El Carriso and San Mateo Canyon (main divide truck); Santa Ana Mountains, Cleveland Nat'l Forest 1219 Comment
  CDA7367  Chaenactis carphoclinia var. attenuata M. Weisbauer 1960-3-27 Riverside Shaver s Summit. 0 Comment
  JOTR31970  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2207 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  JOTR37424  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha 2016-3-9 3659 Riverside Above Hayfield Dry Lake - Stop 2 516 Comment
  RSA567641  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-2 91 -24 Riverside McCoy Mtns, NW of Blythe. 350 Comment
  CAS-BOT-BC276908  Chaenactis fremontii Carl B. Wolf 1937-5-4 8526 Riverside Colorado Desert. Little San Bernardino Mountains. Morongo Wash, 1 mile below San Bernardino County line 609 Comment
  POM351697  Chaenactis fremontii Ora M. Clark 1929-3-16 1694 Riverside South of Cabazon, Colorado Desert. Comment
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Mar 13 2011
  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
  UCR100089  Chaenactis fremontii R. G. Swinney 1967-3-5 45 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR4208  Chaenactis fremontii J. R. Sweeten 1965-5-15 21 Riverside San Bernardino Mtns., Whitewater Canyon, Whitewater Cyn Rd. about 4 miles from Hwy 60 Comment
  SD130354  Chaenactis glabriuscula Ed LaRue 1990-4-13 Riverside I(c) miles northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  UCR140319  Chaenactis glabriuscula A. C. Sanders, Guy Bruyea 2004-4-2 27407 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR34888  Chaenactis glabriuscula L. B. Ziegler 1966-6-23 057 Riverside San Jacinto Mtns., Thomas Mountain 1982 Comment
  RSA314460  Chaenactis glabriuscula var. glabriuscula R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55458 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA527860  Chaenactis glabriuscula var. glabriuscula Scott D. White 1991-5-10 91 -152 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA772854  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4828 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
  UC63019  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-5-1 Riverside West Riverside Comment
  JEPS34166  Chaenactis glabriuscula var. lanosa Carl V. Meyer 1929-6-18 770 Riverside Hemet Valley San Jacinto Mts., Hemet Valley Comment
  RSA523315  Chaenactis glabriuscula var. lanosa G. H. True 1935-4-3 200 Riverside Box Springs 366 Comment
  UC1537044  Chaenactis glabriuscula var. lanosa Gordon H. True 1935-4-3 200 Riverside Box Springs 365 Comment
  UC1463879  Chaenactis parishii Jeanine Derby 1976-6-29 Riverside Quinn Flats San Jacinto Mts., Garner Valley 1371 Comment
  POM311389  Chaenactis stevioides var. stevioides Diana plainer 1958-3-30 150 Riverside Joshua Tree National Monument, off main road, toward Cottonwood Springs, S of park at base of hills. Eagle Mts. 457 Comment
  RSA49386  Chaenactis stevioides var. stevioides P. A. Munz 1949-4-12 13026 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  RSA0020043  Chamaesyce abramsiana Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6015 Riverside Chuckwalla Valley; approximately 17.5 air miles west of Blythe, on the south side of Interstate 10, about 0.4 air mile south of Wileys Well. 120 Comment
  RSA0045133  Chamaesyce abramsiana A. C. Sanders, T. B. Salvato, Rob Shoener 2012-8-22 40394 Riverside Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mountains, 0.9 km west of Dupont Rd. 757 Comment
  RSA316541  Chamaesyce micromera Marcus E. Jones 1929-9-16 24879 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
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Apr 5 2011
  UC536795  Chamaesyce micromera Louis C. Wheeler 1931-11-26 369 Riverside Colorado Desert, Salton Bench Mark -15 Comment
  JOTR32295  Chamaesyce polycarpa Herskovits, Tasya, M. Harding, M. Wheeler 2011-6-22 6 Riverside Joshua Tree National Park. Eagle Mountains; .5 mile east of Pinto Basin road and north of southern park boundary; Open sandy bajada 553 Comment
  UC665745  Chamaesyce polycarpa I. L. Wiggins 1941-3-26 9665 Riverside Wiley Well Comment
  UCSB54160  Chamaesyce polycarpa McKinley, Gale 1985-3-27 Riverside 1/2 mile N of site #9 in Ryan Campground in Joshua Tree National Monument 1280 Comment
  JOTR01095  Chamaesyce polycarpa Cole, James E. 1941-4-13 573 Riverside Joshua Tree National Park. PINTO BASIN; 1/2 MILE NORTH OF MEEK'S CABIN 609 Comment
  UCR275019  Cheilanthes June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CAS-BOT-BC66313  Cheilanthes clevelandii A. C. Sanders; Mitch Provance; E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit Black Mtn. 914 Comment
  RSA612813  Cheilanthes clevelandii Darin L. Banks 1997-3-1 1356 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-BC66311  Cheilanthes clevelandii Steve Boyd; C. Boyd; B. Roy 1896-2-2 1201 Riverside Highway 79: At Riverside-San Diego County Line Comment
  CAS-BOT-BC70038  Cheilanthes covillei Edmund C. Jaeger 1922-4-10 s.n. Riverside Mouth of Snow Creek, Colorado Desert 304 Comment
  RSA685719  Cheilanthes covillei Susan Hutchinson 1927-03 37 Riverside White Tank [Joshua Tree National Park, Mojave Desert] Comment
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Nov 12 2011
  UCR155951  Cheilanthes covillei Scott D. White 1994-4-23 2031 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  POM301706  Cheilanthes newberryi J. C. Roos 1938-5-2 1412 Riverside hills near La Sierra, western Riverside Co. Comment
  RSA702731  Cheilanthes newberryi Scott D. White, Michael Honer 2004-4-6 10058 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  JOTR32916  Cheilanthes parryi La Doux, Tasha, Jim Andre 2009-2-28 356 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  RSA686397  Cheilanthes parryi T. R. Pray 1955-10-2 1033 Riverside Dry Morongo Wash Comment
  UC197903  Cheilanthes parryi J. G. Lemmon and wife Riverside San Gorgonio Pass Comment
  POM926  Cheilanthes viscida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Little Palm Canyon fork 305 Comment
  CLARK-A1528-5122  Chenopodium ambrosioides var. anthelminticum John C. Roos 1965-8-4 Riverside Comment
  SEINET238531  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR281008  Chenopodium berlandieri Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 24 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  SEINET244775  Chenopodium californicum A. C. Sanders, D. Malueg 2002-4-8 27911 Riverside Perris-Aguanga Basin; Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NW Murrieta. 396 Comment
  UCR157647  Chenopodium giganteum A. C. Sanders, Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden 351 Comment
  UCR115154  Chenopodium missouriense Mitch Provance 2000-10-14 2256 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  POM508526  Chenopodium murale Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  RSA334988  Chenopodium murale Steve Boyd 1985-7-23 1012 Riverside De Luz Rd., 7.6 mi. west of Rancho California. 335 Comment
  RSA549246  Chenopodium rubrum A. C. Sanders, O. F. Clarke 1991-10-5 11741 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mile SE of Louis Rubidoux Nature Center. Comment
  RSA701160  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11264 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
  SBBG57113  Chloris virgata R. Hoffmann 1929-9-4 Riverside between Wineville [Mira Loma] and Riverside Comment
  UCR116631  Chorizanthe brevicornu A. C. Sanders 2001-4-8 23974 Riverside Western Colorado Desert, Coachella Valley, Garnet, along transmission line route east of Garnet Wash 232 Comment
  JOTR16807  Chorizanthe brevicornu var. brevicornu Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  JOTR36446  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3416 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  SBBG6282  Chorizanthe brevicornu var. brevicornu T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  RSA392656  Chorizanthe corrugata Unspecified 1920-04 s.n. Riverside Mecca. Comment
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Oct 26 2009
  UCR13297  Chorizanthe corrugata O. F. Clarke 1973-4-1 s.n. Riverside Sonoran (Colorado) Desert, Plateau above Box Canyon, along State Hwy 195, c. midway between Hwy I-10 and the Salton Sea Comment
  SEINET4182863  Chorizanthe corrugata N. Holmgren, P. Holmgren, R. Kern 1973-3-23 6489 Riverside Palen Valley, 15 miles northeast of Desert Center 183 Comment
  UCR24615  Chorizanthe leptoceras T. P. Krantz, G. Krantz, K. Berg 1980-4-24 s.n. Riverside San Jacinto River, one mile east of Valle Vista, just north of Highway 74 Comment
  UCR59534  Chorizanthe leptoceras Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3619 Riverside Vail Lake, Sandy benches of Kolb Creek drainage, south of Hwy 79 488 Comment
  RSA688849  Chorizanthe parryi Scott D. White, Michael Honer 2003-5-13 9252 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR170121  Chorizanthe parryi Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 115 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  CAS-BOT-BC257185  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1788 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  RSA562431  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-26 2334 Riverside Peninsular Range Temecula, c. 4 km south of intersection of Pauba Rd and Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  UCR213674  Chorizanthe polygonoides var. longispina Michael Honer 2003-4-16 1828 Riverside Peninsular Range, Gavilan Hills, west slope, about 1 mile north of I-15 Fwy, 1 mi. east of Lake St. exit, on and around peak 2349 716 Comment
  SBBG101672  Chorizanthe procumbens S. Boyd with Mistretta 1991-5-22 6294 Riverside Vail Lake area, base of Agua Tibia Mtn E of Dorland Mtn, W of Kolb Crk; T8S, R1W, SW1/4 S20, NE1/4 S30 548 Comment
  UCR50734  Chorizanthe procumbens S. J. Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau, W of Murrieta, 0.25 mi. north of the intersection with Avenida Arboles Comment
  SEINET6894766  Chorizanthe staticoides W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  JOTR30925  Chorizanthe watsonii La Doux, Tasha, Bill Truesdell 2008-4-29 2600 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Rocky side canyon above Johnny Lang Canyon (Stop 10) 1235 Comment
  JOTR16577  Chrysothamnus nauseosus subsp. mohavensis Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE TO STUBBE SPRING 1341 Comment
  UC1184298  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11436 Riverside desert alluvial fan Fargo Canyon Comment
  JEPS23422  Chylismia cardiophylla subsp. cardiophylla W. L. Jepson 1928-4-25 12613 Riverside Cottonwood Spring Colorado Desert, Eagle Mts. 731 Comment
  UC1334735  Chylismia cardiophylla subsp. cardiophylla C. W. Tilforth 1967-2-12 110 Riverside side canyon off Painted Canyon (e of Mecca); Colorado Desert 0 Comment
  SFV21806  Chylismia claviformis A. M. Hodges 2010-3-28 s. n. Riverside Sonoran Desert Salton Sea, Mecca Beach. -67 Comment
  JOTR30217  Cirsium neomexicanum Leary, C. and Leary, Pat 1979-5-5 3031 Riverside Joshua Tree National Park. 1 mi SE of Quail Mtn., Joshua Tree National Monument; T2S sec 14 Comment
  RSA192008  Cirsium occidentale var. californicum E. W. Lathrop 1959-5-17 4562 Riverside 14 miles west of Murrieta. Comment
  UC373504  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside 8 mi w Prado; Santa Ana Canyon 400 Comment
  CAS-BOT-BC172108  Clarkia dudleyana Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA448265  Clarkia dudleyana Gale Sphon 1959-5-2 322 Riverside Horsethief Canyon, Elsinore Mountains. Comment
  UCR133448  Clarkia dudleyana Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 451 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  POM15055  Clarkia rhomboidea Mary F. Spencer 1922-6-18 1367 Riverside Idyllwild, San Jacinto Mountains. Comment
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Nov 19 2011
  RSA524235  Claytonia parviflora subsp. parviflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3906 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA585634  Clematis lasiantha D. L. Banks, S. D. Boyd 1995-3-15 69 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 762 Comment
  UC1608232  Clematis lasiantha Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6758 Riverside Tenaja Trail from junction with Morgan Trail s. to Pigeon Spring area (San Mateo Canyon Wilderness Area); Santa Ana Mts., San Mateo Canyon Wilderness Area 670 Comment
  RSA314403  Clematis ligusticifolia Robert F. Thorne, Kay L. Wright, Ricahrd K. Benjamin 1982-10-8 55396 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UCR194815  Clematis pauciflora Scott D. White 2006-5-19 11476 Riverside Perris Basin/San Jacinto Mtn Foothills, [Santa Rosa Hills, c. 2 miles south of Hemet, c. 1 mile east of State St., vicinity of Hemet Butte and Gibbel Road] 610 Comment
  RSA721126  Cnicus benedictus Pomeroy 1929-5-11 s.n. Riverside Lake Elsinore Comment
  UCR44154  Collinsia concolor A. C. Sanders, B. Pitzer 1986-4-30 6477 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  VVC478  Collinsia concolor A. C. Sanders, J. Mac 1997-5-4 20667 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
  RSA0117401  Collinsia concolor Robert L. Rutherford 1945-6-17 1675 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA559444  Collinsia heterophylla Steve D. Boyd 1992-4-15 6868 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA674620  Collinsia heterophylla Scott D. White, Sandra Leatherman 2000-5-31 7976 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR94077  Collinsia heterophylla Scott D. White, M. Jacobsmeyer 1996-4-20 3939 Riverside Elsinore Basin, Bundy Canyon, east of Lake Elsinore; c. 1 road mi. east of Bundy Canyon Rd exit from the Interstate Hwy 15 exit 451 Comment
  JOTR30262  Colubrina californica Leary, Pat 1987-5-21 3834 Riverside McCoy Spring, McCoy Mountains, T5S R20E sec17 (unsurveyed), [UTMs estimated, January 2010] Comment
  OBI10312  Colubrina californica Annie M. Alexander, Louise Kellogg 1941-5-20 2206 Riverside Camy cr, SE Eagle Mts Comment
  UCR211504  Colubrina californica Jim Andre, T. La Doux 2008-9-13 10276 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  UCSB61501  Colubrina californica Sanders, A.; Lawlor, E. 1992-4-4 Riverside Within 1/2 mile of McCoy Spring; alluvial slopes below and to the south and canyon bottom above the spring. 243 Comment
  CAS-BOT-BC520440  Condalia globosa var. pubescens A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40512 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, S of the Chuckwalla Mtns., along Bradshaw Trail 1.5 km NW of Augustine Rd jct., large wash on SW side of road 726 Comment
  SBBG27785  Condea emoryi D. Myrick 1964-4-30 839 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 914 Comment
  CAS-BOT-BC216024  Convolvulus Steve Boyd 1986-5-1 1787 Riverside Hill W of Skunk Hollow, Skunk Hollow vernal pool, Southwestern Perris Basin Comment
  RSA629033  Convolvulus arvensis Scott D. White 1998-6-28 6787 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  UCR224096  Convolvulus arvensis Justin M. Wood 2010-9-8 2605 Riverside Beaumont Badlands, San Timoteo Canyon, just southeast of El Casco Substation along San Timoteo Creek 640 Comment
  UCR40539  Convolvulus arvensis Steve Boyd 1985-6-23 1003 Riverside Peninsular Range; Santa Ana Mtns., 5.2 mi. west of Rancho California on De Luz Road 396 Comment
  SD181584  Convolvulus simulans Steve Boyd 2001-4-12 10405 Riverside Santa Ana Mountains-Gavilan Hills Region, Temescal Canyon, terrace escarpment just south of DePalma Road, between Indian Wash and Horsethief Wash. Comment
  RSA554286  Conyza bonariensis Scott D. White 1992-2-25 92 -10 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  POM319726  Conyza canadensis Patricia Wilder 1970-10-30 4822 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 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
  RSA0097955  Cordylanthus rigidus subsp. setiger Duncan S. Bell 2014-11-14 7718 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA713  Cordylanthus rigidus subsp. setiger J. T. Howell 1928-7-8 1052 Riverside Santa Ana Mountains above Glen Ivy. 1524 Comment
  UCR237684  Coreopsis bigelovii Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4692 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  SBBG45042  Corethrogyne filaginifolia I. W. Clokey with E. G. Anderson 1935-8-21 6962 Riverside N fork of San Jacinto River 1500 Comment
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Dec 14 2011
  UC31266  Corethrogyne filaginifolia H. M. Hall 1901-7-26 2530 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  RSA588673  Corethrogyne filaginifolia var. filaginifolia D. L. Banks, Steve Boyd 1995-10-26 0830 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. 939 Comment
  UCR22105  Cotula australis Steve Boyd 1980-5-28 304 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  SDSU13532  Cotula coronopifolia W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR234433  Cotula coronopifolia Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA234021  Crassula aquatica R. F. Thorne, E. W. Lathrop 1969-5-19 37953 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 625 Comment
  SDSU21793  Crassula aquatica Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3979 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UCR110454  Crassula aquatica D. E. Bramlet 1998-4-22 2606 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  UCR76167  Crassula aquatica A. C. Sanders 1993-4-1 13666 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
  RSA394725  Crassula connata Barbara Shervanick 1973-2-18 645 Riverside [San Jacinto Mtn. foothills] Palm Springs, end of Raquet Club Road 1/2 mile from aerial tramway. 366 Comment
  SDSU17484  Crassula connata Jerry Jenkins 2001-3-30 2001 -004 Riverside Santa Margarita Ecological Reserve. Field by station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  UCR116463  Crassula connata A. C. Sanders, T. B. Salvato 2001-3-30 23860 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
  UCR116933  Cressa truxillensis A. C. Sanders, D. Malueg 2001-5-17 24362 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  LA28882  Croton californicus P. J. Remple; 1942-3-3 Riverside Garnet Springs near Palm Springs Comment
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Mar 13 2014
  RSA0020372  Croton californicus Duncan S. Bell 2012-3-4 3131 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA33476  Croton californicus N. C. Cooper 1944-4-21 1141 Riverside Banning 701 Comment
  RSA480572  Croton californicus N. C. Cooper 1943-10-9 953 Riverside Hemet. 304 Comment
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Apr 29 2011
  SD2813  Croton californicus Ruth B. Randall 1926-2-22 66 Riverside Whitewater Pass. Comment
  UC868664  Croton californicus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert 228 Comment
  UCR245236  Croton californicus Jim Andre 2012-3-19 21343 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  CLARK-A1528-2689  Croton californicus var. tenuis John C. Roos 1951-9-25 5297 Riverside Santa Ana River 259 Comment
  UCR261489  Croton setiger A. C. Sanders, Katie Young, John Hale 2015-4-22 41582 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  JOTR35173  Crypsis schoenoides Harding, Mitzi, T. Herskovits 2011-9-14 161 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1301 Comment
  UCR260602  Cryptantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41543 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  JOTR29579  Cryptantha angustifolia Andre, Jim 2006-4-6 6692 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  JOTR35292  Cryptantha angustifolia Andre, Jim 2012-4-11 20785 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  JOTR35370  Cryptantha angustifolia Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 164 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA775441  Cryptantha angustifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4443 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 W116.64309 487 Comment
  SBBG81513  Cryptantha angustifolia S. A. Junak 1983-3-23 1616 a Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SD224873  Cryptantha angustifolia G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2668 Riverside Little San Bernadino Mtns, 3.2 mi. N of jct of Thousand Palms Canyon Rd. & Dillon Rd. Comment
  UC857309  Cryptantha angustifolia P. A. Munz, D. Keck 1922-4-8 4744 Riverside 0.5 mi e Indio -9 Comment
  UCR247325  Cryptantha angustifolia David Fraker, Aaron C. Sedgwick 2012-3-22 10 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; south of Joshua Tree National Park on both sides of Hwy 177 [Desert Center-Rice Rd.], c. 5 miles north of Hwy I-10, c. 3 miles south of Desert Lily Sanctuary 183 Comment
  JOTR28786  Cryptantha barbigera La Doux, Tasha 2005-3-30 1055 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM46802  Cryptantha barbigera Mary F. Spencer 1920-4-7 1573 Riverside Palm Canyon. Colorado Desert 182 Comment
  RSA314620  Cryptantha barbigera R. F. Thorne, Drs Fosberg, Charles C. Herbst, M. H. Sachet 1983-4-23 55418 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA703814  Cryptantha barbigera LeRoy Gross 2005-3-3 1593 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA79591  Cryptantha barbigera F. W. Peirson 1919-4-13 1026 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  SEINET3004965  Cryptantha barbigera G. Rink 2011-3-23 10389 Riverside Desert flats north of Blythe, east of the McCoy Mtns 109 Comment
  UC280436  Cryptantha barbigera E. E. Schellenger May 1920 Riverside e of Coachella; Colorado Desert Comment
  UCD118997  Cryptantha barbigera Richard Bates 1949-4-26 s.n. Riverside Cathedral City, southeast of Palm Springs. Comment
  UCR88537  Cryptantha barbigera A. C. Sanders 1995-4-13 16495 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  SEINET10455557  Cryptantha barbigera David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3708 Riverside Borage. Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. 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
  RSA0062648  Cryptantha barbigera var. fergusoniae M. Harthill 1973-2-17 1565 Riverside W. Palm Springs. 365 Comment
  RSA0020314  Cryptantha circumscissa D. C. Pearson, W. E. Sawyer 1982-4-24 s.n. Riverside ~1mi So. I-10. Comment
  POM47499  Cryptantha costata Mary F. Spencer 1920-4-7 1527 Riverside Palm Canyon. Colorado Desert 182 Comment
  UCR24507  Cryptantha costata L. F. LaPre 1981-4-14 s.n. Riverside Coachella Valley, Palm Desert; 2 mi north of junction of Monterey Ave. & Country Club Dr. Comment
  SBBG87958  Cryptantha cycloptera A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6144 Riverside N foot of the Chuckwalla Mtns, 2.75 airline mi SE of Desert Center 365 Comment
  RSA0078964  Cryptantha cycloptera Theo Glenn 1992-3-31 92 -8 Riverside Colorado Desert. North side Of Eagle Mountains, Storm Jade Mine. Comment
  HSC79849  Cryptantha intermedia James Henrickson 1973-3-18 8603 Riverside 16 (air) mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71 823 Comment
  RSA740827  Cryptantha intermedia Scott D. White, Justin M. Wood 2008-7-8 12385 Riverside Johnson Meadow. 1439 Comment
  SBBG32020  Cryptantha intermedia C. H. Muller 1952-4-5 9494 Riverside White Water Cyn, 1 mi above White Water Comment
  UC604898  Cryptantha intermedia Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9665 Riverside foot of grade, State Highway 74, along San Jacinto River San Jacinto River Comment
  UCR158498  Cryptantha intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30040 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR240619  Cryptantha intermedia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 439 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR79470  Cryptantha intermedia Steve Boyd, T. S. Ross 1992-5-15 7414 Riverside S Santa Ana Mtns, 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
  HSC87254  Cryptantha maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2179 Riverside NW end McCoy Mtns., NW of Blackjack Mine 400 Comment
  RSA499627  Cryptantha maritima Robert Gustafson 1983-3-27 2488 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  RSA517913  Cryptantha maritima Steve Boyd, T. S. Elias, Kirsten Winter 1986-2-18 1318 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA80738  Cryptantha maritima F. W. Peirson 1927-4-12 7172 Riverside Painted Canyon, near Mecca Comment
  POM99142  Cryptantha maritima Marcus E. Jones 1926-2-16 s.n Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  RSA499652  Cryptantha micrantha var. lepida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA543935  Cryptantha microstachys Steve Boyd 1991-5-10 6213 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  UCR162400  Cryptantha microstachys S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR104924  Cryptantha muricata A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20658 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
  UCR201641  Cryptantha muricata Scott D. White, Justin M. Wood 2008-6-18 12206 Riverside San Jacinto Mountains, hiking trail from K flat to Apple Canyon Road 1451 Comment
  RSA786537  Cryptantha muricata var. denticulata C. P. Cowan 1978-4-23 1236 Riverside Santa Rosa Mountains. 17.3 mi (27.2 km) S and W on Hwy 74 from jct w/111 at Indian Wells. San Bernardino National Forest. Whittaker transect no.W-221(voucher). 1180 Comment
  SBBG63812  Cryptantha muricata var. jonesii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1828 Comment
  RSA0104500  Cryptantha muricata var. muricata Duncan S. Bell 2015-9-30 8656 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UC64412  Cryptantha oxygona H. M. Hall May 1899 1161 Riverside Van Deventer's San Jacinto Mountains 1371 Comment
  UC1168705  Cryptantha pterocarya Peter H. Raven 1958-3-16 11854 Riverside below Cottonwood Springs; Joshua Tree National Monument Comment
  HSC83122  Cryptantha racemosa A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6129 Riverside N foot of the Chuckwalla Mtns., 2.75 mi. SE of Desert Center 367 Comment
  POM13261  Cryptantha racemosa E. C. Jaeger 1922-3-4 1109 Riverside Painted Canyon near Mecca. Comment
  UC667346  Cryptantha utahensis Annie M. Alexander and Louise Kellogg 1941-5-7 2136 Riverside Split Rock, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
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Oct 23 2011
  UCR157660  Cryptantha utahensis A. C. Sanders 1995-4-13 16496 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  POM48872  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1924-7-26 8707 a Riverside ca. 8 miles S of Banning. 1524 Comment
  UCR103779  Cuscuta pentagona Scott D. White 1994-10-21 2505 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  UCR131791  Cycloloma atriplicifolium Mitch Provance 1998-6-11 643 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  CAS-BOT-BC59392  Cylindropuntia acanthocarpa var. acanthocarpa Roxana S. Ferris 1928-4-21 7179 Riverside Field redacted by CAS, contact the data manager for more information Comment
  JEPS66873  Cylindropuntia bigelovii W. L. Jepson 1914-5-18 6033 Riverside n Indio; Colorado Desert, County Well 152 Comment
  JEPS66875 Image available Cylindropuntia echinocarpa W. L. Jepson 1928-4-25 12622 b Riverside n. Colorado Desert, Cottonwood Mts., Cottonwood Spring Comment
  JEPS68479  Cynodon dactylon W. L. Jepson Oct 22 1912-Nov 7 1912 5268 Riverside on Colorado River banks and on flats near Blythe; Colorado River banks 45 Comment
  UCR107261  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 1998-8-17 4446 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR209673  Cyperus erythrorhizos Fred M. Roberts, Carol A. Roberts 1999-10-23 5253 Riverside San Jacinto Valley, Mystic Lake, northeast shore near Gilman Hot Springs Road, c. 1.8 km southwest of Eden Peak 433 Comment
  UCR25065  Cyperus erythrorhizos John C. Roos 1951-9-25 5249 Riverside Riverside, Fairmount Park 259 Comment
  CAS-BOT-BC114262  Cyperus esculentus Grant 1902-9-1 s.n. Riverside Unspecified Comment
  UC60275  Cyperus squarrosus H. M. Hall 1901-1 2663 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  CAS-BOT-BC70572  Cystopteris fragilis Carl B. Wolf 1932-8-5 3974 Riverside San Jacinto Mts., summit of San Jacinto Peak 3293 Comment
  POM11135  Cystopteris fragilis P. A. Munz 1922-7-6 5988 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  SBBG56301  Cystopteris fragilis R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  RSA703741  Dalea mollis LeRoy Gross 2005-3-3 1557 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SBBG56887  Dasyochloa pulchella M. N. Ackley 1928-4-3 23 Riverside Clary's Ranch 182 Comment
  UCR87851  Datisca glomerata Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  RSA648278  Datura wrightii Margaret Murphy 1983-5-21 0039 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UC1234726  Datura wrightii David P. Gregory 1961-6-6 469 Riverside near the Santa Ana River w Prado Dam; near the Santa Ana River, w of Prado Dam Comment
  UC884535  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shafer Wells Comment
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Apr 24 2011
  UCR116675  Daucus pusillus A. C. Sanders, Carolyn Washburn 2001-5-10 24239 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR233581  Daucus pusillus A. C. Sanders, John F. Green 2012-4-12 40041 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  UC111301  Deinandra kelloggii C. M. Wilder 1907-11-1 742 Riverside Head of Pigeon Pass Comment
  UC310836  Deinandra kelloggii Philip A. Munz 1925-1 9849 Riverside Aguanga Comment
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May 30 2011
  RSA716106  Deinandra mohavensis Michael Wall 2006-10-8 421 Riverside San Jacinto Mountains, South Fork San Jacinto River east of Hemet Comment
  UC1929655  Deinandra mohavensis V. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1063 b Riverside Peninsular Ranges, San Jacinto Mountains region; Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  RSA0120312  Delphinium cardinale Duncan S. Bell 2016-4-16 9315 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  CAS-BOT-BC7986  Delphinium parishii subsp. parishii S. Parish; W. F. Parish 1883-4-1 255 Riverside Colorado Desert, Cabezon Station Comment
  UCR110998  Delphinium parishii subsp. parishii George K. Helmkamp 1998-6-27 4116 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
  RSA0019620  Delphinium parishii subsp. parishii N. C. Cooper 1944-4-8 1069 Riverside Andreas Canyon. 457 Comment
  RSA543781  Delphinium parryi Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6038 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA701498  Delphinium parryi M. Wall 1993-5-19 72 Riverside Sage Rd, 4.6 mi S of Red Mtn Rd SE of Hemet. Associated plants include Adenotstoma fasciculatum, Eriogonum fasciculatum, Collinsia concolor, and exotic grasses. Comment
  SEINET7072850  Delphinium parryi A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  LA45841  Dendromecon rigida Norman C. Cooper; 1944-6-17 1414 Riverside San Jacinto Mountains, above Banning 1219 Comment
  RSA305664  Dendromecon rigida subsp. rigida C. W. Tilforth, Walter Wisura 1979-10-11 1923 Riverside Thomas Mtn. Rd., 10.4 mi. from north jct with Hwy 74; south of Lake Hemet Comment
  RSA67308  Descurainia pinnata G. R. Campbell 1951-4-22 16000 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt. [Santa Rosa Mt Truck Trail]. 1371 Comment
  CAS-BOT-BC43363  Descurainia pinnata subsp. glabra Nancy Ryan Zabriskie 1970-3-27 262 Riverside Near Ryan cabin. Andreas Canyon, near Palm Springs. 365 Comment
  RSA11552  Descurainia pinnata subsp. glabra N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs Comment
  UCR171138  Descurainia sophia John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  RSA33601  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-5-21 1276 Riverside San Jacinto Mtns., west side. 1372 Comment
  SDSU21837  Dichelostemma capitatum subsp. capitatum Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 6 Riverside Santa Magarita Ecological Reserve, Via Tornado, North side of Santa Margarita river, behind cabin. 357 Comment
  UCR188671  Dichelostemma capitatum subsp. capitatum Amanda Lovelady, Tina Hofmann 2007-5-20 29 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  UCR41368  Dichelostemma capitatum subsp. pauciflorum N. M. Fellows 1985-3-3 83 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  SEINET269467 Image available Digitaria sanguinalis Scott D. White, Steve Ogg 1994-10-17 2499 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel at confluence with Sta. Gertrudis Creek USGS 71/2' Murrieta quad. 315 Comment
  RSA626156  Dinebra retroflexa R. E. Riefner 1999-3-15 99 -162 Riverside Hemet, Bautista Road and Fairview Street. Comment
  RSA0019292  Diplacus brevipes Duncan S. Bell, Joy D. England 2010-6-7 1270 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 780 Comment
  SD137605  Diplacus brevipes Darin L. Banks, Steve Boyd 1995-4-5 160 Riverside Agua Tibia WildernessArea. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail in the N flowing drainage that empties into Arroyo Seco 609 Comment
  SD139995  Diplacus brevipes Scott White 1993-4-22 1227 Riverside North Alberhill Ranch, in hills N of Walker Canyon 487 Comment
  RSA697766  Distichlis spicata J. Russell Bruff 1927-10-8 1 -K Riverside Thousand Palms Comment
  SEINET3928440  Distichlis stricta Faulkner 1978-3-21 352 Riverside 9 miles No. of Blythe Highway 95, Saline flat.; 0 152 Comment
  UCD142304  Ditaxis lanceolata V. W. Steinmann; P. I. Moscosa, T. S. Ross 1998-4-14 1366 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. 600 Comment
  UCR233148A  Ditaxis lanceolata Jim Andre, Glenn L. Clifton 2011-2-22 17464 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR260316  Ditaxis neomexicana A. C. Sanders, Jim Malusa 2015-3-10 41373 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  JOTR33805  Ditaxis serrata var. californica La Doux, Tasha, B. Truesdell 2007-11-9 3303 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  CAS-BOT-BC43644  Dithyrea californica S. B. Parish 1896-4-4 4107 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mountain. 213 Comment
  RSA530754  Dithyrea californica M. B. Dunkle 1933-3-3 3025 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
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Mar 20 2011
  UC1126910  Dithyrea californica H. S. Yates 1936-4-2 5419 Riverside near Palm Springs; San Jacinto Quadrangle Comment
  SD127571  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR281563  Dodecahema leptoceras Mitch Provance, Matt K. Beyers 2017-6-8 617- 80 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  UCR23127  Draba corrugata J. C. Lyman 1981-5-28 s.n. Riverside San Jacinto Mtns., gully behind Tahquitz Peak Comment
  UCR41829  Draba cuneifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6118 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  POM259184  Draba saxosa P. A. Munz 1938-8-14 15391 Riverside East of Toro Peak, Santa Rosa mts. 2439 Comment
  CLARK-A1528-5229  Draba sonorae John C. Roos 1952-3-19 5402 Riverside Box Springs Mountains 457 Comment
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Oct 23 2014
  CAS-BOT-BC70827  Dryopteris arguta Scott D. White; Mike Wilcox 1995-7-11 3468 Riverside Southwest of Main Divide Truck Trail, upper forks of Decker Canyon, USGS 7 1/2' Alberhill quad. 731 Comment
  UC218656  Dryopteris arguta P. A. Munz and I. M. Johnston 1922-5-19 5391 Riverside 3 mi w Keen Camp; San Jacinto Mts 1493 Comment
  CSUSB1004  Dudleya lanceolata Ken Stolte 1978-5-23 Riverside 1 mile south of junction of highway 60 and Central Ave. 200 meters east off Central Ave. in [city of] Riverside. Comment
  POM20020  Dudleya lanceolata Mary F. Spencer 1923-8-7 2200 Riverside Fern Valley 1677 Comment
  RSA0124009  Dudleya lanceolata Duncan S. Bell 2016-4-14 9281 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  UC147249  Dudleya lanceolata C. M. Wilder 1905-6-1 584 Riverside Wilder's Canyon Juniper Hills Comment
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Apr 2 2011
  UCR3506  Dudleya lanceolata Frances Miller 1964-5-9 M- 6432 Riverside 20 ft below R.R. tracks, base of Box Springs Mtns., near end of Big Springs Rd. 381 Comment
  SEINET13710832  Dudleya lanceolata A. Asher, A. Asher 1990-1 36 Riverside Jurpupa Hills, 30Th St, 1 Mi. N Jct with Ihy 60 Comment
  UCR213860  Dudleya pulverulenta Scott D. White, Justin M. Wood 2009-5-22 12930 Riverside San Jacinto Mountains, Old Control Road, below Halfway Spring 915 Comment
  UCR281582  Dudleya pulverulenta Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 114 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  JOTR32293  Dudleya saxosa subsp. aloides Herskovits, Tasya, M. Harding, D. Oquendo 2011-5-5 7 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Steep, rocky/gravelly side drainage of main canyon (Stop 4) 1371 Comment
  LA204791  Dudleya saxosa subsp. aloides David S. Verity; 1951-4-23 sn Riverside base of San Jacinto Mountains in upper end of Coachella Valley near San Gorgonio Pass Comment
  RSA209565  Dudleya saxosa subsp. aloides T. Beck 1968-4-28 680428 -8 Riverside 1/2 mi. S of trout farm on White Water Canyon Rd. At point where the river crosses the road. 549 Comment
  RSA397784  Dudleya saxosa subsp. aloides Christopher Davidson, B. Gustafson 1977-4-7 5591 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
  RSA397828  Dudleya saxosa subsp. aloides N. R. Zabriskie, W. M. Zabriskie 1973-4-25 648 Riverside N slope Santa Rosa Mtns., Deep Canyon drainage. Lower portion of steep-walled canyon overlooking salamander oasis. 915 Comment
  SD158318  Dudleya saxosa subsp. aloides Bill Knerr 1999-6-6 Riverside Among rocks in full sun on south-facing roadcut, Rancho California Road 2 miles west of Temecula 456 Comment
  UCR251651  Dudleya saxosa subsp. aloides Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1252 Riverside San Bernardino Mtns., Haugen-Lehmann Way off I-10, Pacific Crest Trail (PCT) in canyon directly west of Whitewater 675 Comment
  UCR168264  Dyssodia porophylloides Scott D. White 2001-4-3 8263 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  RSA0002526  Echeveria lanceolata var. composta W. L. Jepson 1903-8-6 2285 Riverside Spruce Canyon, San Jacinto Mt. 1311 Comment
  SEINET8060018 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 6 Riverside 3.8mi down Eagle Mt. Rd. off I-10. SE side of the road. 400 Comment
  RSA0125252  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4488 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  SD68958  Elatine californica Robert F. Thorne, E. Lathrop, P. Munz 1968-5-8 37560 Riverside Santa Rosa Plateau; Rancho California. Shallow water of vernal marsh on Mesa de Colorado. 671 Comment
  SDSU21795  Eleocharis macrostachya Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3982 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UCR122541  Eleocharis macrostachya George K. Helmkamp, E. A. Helmkamp 2001-5-20 6670 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR266812  Eleocharis macrostachya Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 01 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UC1563126  Eleocharis montevidensis Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3548 Riverside just S of Vail Lake (pond and freshwater marsh in Kolb Creek) Comment
  UCR121202  Eleocharis montevidensis D. E. Bramlet 1990-4-26 1978 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  UCR130512  Eleocharis obtusa var. engelmannii R. E. Riefner Jr. 2001-12-16 01- 775 Riverside Perris-Aguanga Region, Paloma Valley; near Antelope Rd. and Garboni Rd. 450 Comment
  RSA162801  Eleocharis palustris J. D. Olmsted 1959-9-23 1020 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  UCR20459  Eleusine indica John C. Roos, E. C. Jaeger 1952-10-8 5899 Riverside Riverside, in moist clay garden 259 Comment
  RSA0050592  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. In open disturbed area along road 5S02. 1402 Comment
  RSA570756  Elymus X gouldii Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8196 -A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  SD204779  Elymus condensatus Sarah J. De Groot, Beth Kempton 2006-3-16 5207 Riverside San Jacinto Mountains; dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 551 Comment
  UCR19371  Elymus condensatus John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  UCR174541  Elymus glaucus Jennifer H. Jones 2006-6-6 392 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  RSA751793  Elymus stebbinsii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35560 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  UCR2366  Elymus triticoides F. M. Reed 1908-7-13 2477 Riverside San Jacinto Mtns., ridge above Tahquitz Valley 2835 Comment
  RSA586310  Emmenanthe penduliflora D. L. Banks, Steve D. Boyd 1995-5-3 221 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA784785  Emmenanthe penduliflora Duncan S. Bell 2012-3-18 3189 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SFV12248  Emmenanthe penduliflora A. Harrison 1962-4-17 22 Riverside San Bernardino Mountains North of CA-60 on Whitewater Canyon Road, 0.25 miles south of trout farm where road crosses Whitewater River. 645 Comment
  UC56881  Emmenanthe penduliflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Palm Canyon 457 Comment
  UC667294  Emmenanthe penduliflora Annie M. Alexander and Louise Kellogg 1941-5-11 2147 Riverside 1.5 miles north of Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  OBI51912  Encelia farinosa Steve Boyd, S. Meury, R. Noyes, L. arnseth, d. Nordin, T. Ross 1988-3-10 2127 Riverside N end Palen Mtns, 2 mi W of Palen Pass 300 Comment
  RSA696887  Encelia farinosa L. C. Hull 1934-2-18 s.n. Riverside Desert near Palm Canyon. Comment
  SBBG99399  Encelia farinosa W. L. Halvorson 1977-3-8 77 -77 Riverside ca. 1 mi S of entrance to Joshua Tree Nat Monument Comment
  UC912504  Encelia farinosa Herbert L. Mason 1926-5-2 3202 Riverside Temecula Valley Comment
  UCD131216  Encelia farinosa T. I. Storer; J. E. Law 1948-3-27 320 Riverside near Riverside. Comment
  RSA502918  Encelia farinosa var. farinosa Ed LaRue 1989-4-7 s.n Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  POM289822  Encelia frutescens Lyman Benson 1933-3-31 4191 Riverside Salton Sea-Imperial Co. line. 61 Comment
  UC1979833  Encelia frutescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 981 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  RSA234110  Ephedra aspera Robert F. Thorne, R. Carolin 1967-3-21 41640 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  JOTR32656  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  LA81891  Ephedra californica Robert F. Thorne; 1964-5-3 33851 Riverside near hwy ca 4 mi. S of Morongo Valley and ca 3 mi. S of San Bernandino Co. line Comment
  RSA696370  Ephedra californica Keith E. Hoffmaster 1937-3-16 s.n. Riverside Palm Springs. Comment
  UC407312  Ephedra californica LeRoy Abrams 1903-4-6 3204 Riverside Palm Springs Comment
  RSA0054982  Ephedra nevadensis Bruce Haines 1962-4-16 123 A Riverside 3/4 mile East of Hidden Valley Campground on Key's Ranch Road, Joshua Tree National Monument. 1295 Comment
  RSA191412  Epilobium canum subsp. canum E. W. Lathrop, Thorne 1967-9-26 6610 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR21167  Epilobium canum subsp. canum 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
  UC454607  Epilobium canum subsp. latifolium I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  UCR115947  Epilobium ciliatum Mitch Provance 1998-6-11 670 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  SD245418  Epilobium ciliatum subsp. ciliatum Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49556 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  RSA741188  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-6-16 12122 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA503417  Equisetum telmateia var. braunii J. Olmstead 1962-5-10 3629 Riverside Coldwater Canyon (western Riverside Co.) 396 Comment
  RSA737430  Eragrostis mexicana subsp. virescens Justin M. Wood 2008-8-31 126 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR2388  Eragrostis pectinacea var. pectinacea F. M. Reed 1904-8-10 85 Riverside Riverside Comment
  UC1922542  Eremalche exilis Michael Honer, Theresa Miller 2005-3-11 2065 Riverside Colorado Desert; Northeastern Colorado Desert region: Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E. of ATSF railway. Comment
  CHSC1041  Eremalche rotundifolia V. Holt 1935-4-16 Riverside E. Colorado Desert. Comment
  SD181439  Eremothera boothii subsp. condensata V. Soza, J. M. Porter and G. D. Wallace 2001-4-2 1095 Riverside Little SanBernardino Mountains region: Mouth of West Wide Canyon, west side of Channel Run. Comment
  SD187443  Eremothera refracta Naomi Fraga, Lisa Rojas 2005-2-10 1351 Riverside Northeastern Colorado Desert region, just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  UCR279336  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-23 42921 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCD118286  Eriastrum densifolium Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9001 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills. 854 Comment
  UC1929913  Eriastrum densifolium subsp. austromontanum Scott D. White, Angelia Carey 2004-7-2 10569 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  RSA0105459  Eriastrum densifolium subsp. elongatum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA0119714  Eriastrum diffusum subsp. coachellae P. A. Munz, I. M. Johnston 1922-5-6 5169 Riverside Colorado Desert, dry Morongo Wash. Comment
  UC729736  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside on Blythe Rd 3 mi s Rice; Eastern Colorado Desert 213 Comment
  UCR172231  Eriastrum sapphirinum 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
  CAS-BOT-BC514946  Eriastrum sapphirinum subsp. brevibracteatum A. M. White 1974-6-4 1060 Riverside See lat/long (Project #74-671, site 4) Comment
  RSA0122958  Eriastrum sapphirinum subsp. dasyanthum Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UCR129892  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-5-20 1297 Riverside San Gorgonio Pass, Banning 701 Comment
  CAS-BOT-BC515002  Eriastrum sapphirinum subsp. dasyanthum Mary F. Spencer 1919-6-17 s.n. Riverside Roadside on slope of San Jaacinto Mt. 1097 Comment
  CAS-BOT-BC515003  Eriastrum sapphirinum subsp. dasyanthum S. B. Parish 1894-6-14 3331 Riverside San Bernardino Mountains and their eastern base: Banning 767 Comment
  RSA479913  Ericameria cuneata Steve Boyd 1987-11-23 2094 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  UCD131305  Ericameria cuneata Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 361 Riverside around 2 miles up water service road south of Highway 74, Deep Canyon, north slope Santa Rosa Mountains. 1310 Comment
  JOTR31004  Ericameria linearifolia La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1287 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  UC527316  Ericameria linearifolia C. B. Wolf 1931-5-11 Riverside rocky ridges above Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  RSA696813  Ericameria monactis W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
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May 28 2014
  LA204642  Ericameria nauseosa H. Lewis; 1939-10-22 1035 Riverside San Jacinto Mountains, Hemet Lake Comment
  CAS-BOT-BC298881  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  CAS-BOT-BC299121  Ericameria nauseosa var. mohavensis R. F. Hoover 1952-11-1 8274 Riverside Along summit ridge, Caliente Mt Comment
  POM10296  Ericameria palmeri var. pachylepis Mr Grout, S. Grout 1903-11 32 Riverside Rubidoux Comment
  SDSU12993  Ericameria parishii var. parishii Michael G. Simpson 1999-10-27 2024 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCD131744  Erigeron breweri var. covillei K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  CAS-BOT-BC294844  Erigeron breweri var. jacinteus Mrs. C. M. Wilder 1909-7-12 972 Riverside Snow Creek, San Jacinto Mts. Comment
  POM357417  Erigeron breweri var. jacinteus Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
  POM12781  Erigeron divergens P. A. Munz 1922-6-24 5797 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  UCR213847  Erigeron divergens Scott D. White, Justin M. Wood 2009-5-21 12874 Riverside San Jacinto Mountains, Garner Valley, 0.5 mi northwest of Morris Ranch Road (Kenworthy Ranger Station) 1387 Comment
  POM12009  Erigeron foliosus Mary F. Spencer 1921-07 1269 Riverside Strawberry Valley, Idyllwild, San Jacinto Mt. 1616 Comment
  SEINET238580  Erigeron foliosus var. foliosus Scott D. White 1997-5-25 5248 B Riverside Hills S of Patton Ave. and W of Winchester Rd. ca 2 air miles SW of jtn. Winchester Rd./ Simpson Ave. 457 Comment
  SEINET959316  Erigeron jonesii A. C. Sanders 2006-1 32782 Riverside Schell Creek Range: head of canyon above Rosebud Spring, c. 1 mile SE of V ABM Connor, 2.5 miles south of Hwy 50/93 at Conners Pass (Connor's Pass 7.5 Q) 2499 Comment
  CLARK-A1703-91  Eriodictyon crassifolium Robin L. Kobaly 1972-5-20 RLK 720520 Riverside San Jacinto Mountains 1127 Comment
  POM3816A  Eriodictyon crassifolium N. K. Berg 1904-3-4 s.n. Riverside San Jacinto Mts. Comment
  RSA33585  Eriodictyon crassifolium N. C. Cooper 1944-5-20 1309 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  UCR277736  Eriodictyon crassifolium Mitch Provance 2012-1-26 112- 08 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, powerline access road, 0.4 miles due S of El Casco Substation. 687 Comment
  SD229190  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer 2012-10-16 929 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR241241  Eriodictyon trichocalyx Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 501 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  JOTR34192  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2980 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  SBBG55325  Eriogonum apiculatum R. Moran 1973-7-28 21108 Riverside summit of Toro Pk 2500 Comment
  UCR24892  Eriogonum apiculatum A. C. Sanders 1980-7-18 1640 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR56075  Eriogonum austrinum G. F. Pratt 1988-12-31 s.n. Riverside Sonoran (Colorado) Desert, Granite Mountains, south of Rice 915 Comment
  CAS-BOT-BC242791  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside Near Idyllwild, San Jacinto Mts. Comment
  JEPS122476  Eriogonum davidsonii J. M. Andre 2012-6-15 30517 Riverside San Jacinto Mountains; along Highway 243, 8.6 miles south of Interstate 10 (Banning), just northeast o Hungry Hollow and Poppet Flat; San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  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
  UCSB37947  Eriogonum deflexum Mayers, Anna 1978-4-24 Riverside 4.5 km south of Palm Springs Araby Canyon, south of Araby Drive 215 Comment
  RSA517915  Eriogonum deflexum var. deflexum Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1333 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  RSA799254  Eriogonum deflexum var. deflexum Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 734 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  SEINET6418006  Eriogonum elongatum J. C. Ross 1965-9-14 Riverside Hills south of Beaumont. Comment
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Nov 8 2015
  UC1929324  Eriogonum elongatum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10683 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  CAS-BOT-BC249955  Eriogonum fasciculatum var. foliolosum Donald A. Johansen 1933-7-14 713 Riverside Mesa Mira Comment
  RSA33599  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-5-19 1296 Riverside Banning. 701 Comment
  CAS-BOT-BC250132  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mts. 609 Comment
  CAS-BOT-BC250133  Eriogonum fasciculatum var. polifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  RSA594510  Eriogonum fasciculatum var. polifolium D. L. Banks, Dylan Hannon 1996-5-3 997 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approx. 300m E of the Dripping Springs Guard Station, just S of Hwy. 79. 500 Comment
  RSA766104  Eriogonum fasciculatum var. polifolium Marjorie D. Clary 1932-5-22 1027 Riverside Berdoo Canyon, Little San Bernardino Mts. 1159 Comment
  SEINET9037371 Image available Eriogonum gracile M. Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-16 1456 Riverside Santa Rosa Mountains, at junction of Road 7S02 and 74, just west of Rarick Spring 1479 Comment
  UCR178008  Eriogonum gracile T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 605 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR280831  Eriogonum gracile T. B. Salvato, Gregg Miller 2005-6-3 1404 Riverside Peninsular Range; Perris-Aguanga Basin Region, edge of Gavilan Hills ca 3.5 mi SW of Perris, 1.4 mi SE of Steele Peak, and 0.5 mi NNW of Good Hope Mine, E of Hwy 74 534 Comment
  RSA595922  Eriogonum gracile var. gracile D. L. Banks, Lauren Raz 1996-11-5 1181 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  RSA487231  Eriogonum gracile var. incultum James L. Reveal, C. Rose Broome 1987-6-27 6602 Riverside San Gorgonio Pass, along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River. 541 Comment
  RSA735613  Eriogonum gracile var. incultum LeRoy Gross, Duncan S. Bell 2008-9-16 3576 -b Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  UCR234757  Eriogonum gracile var. incultum A. C. Sanders, John F. Green 2012-6-25 40312 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  UCSB6810  Eriogonum inflatum Philbrick, Ralph 1953-06 Riverside Joshua Tree National Monument Comment
  RSA393575  Eriogonum inflatum var. inflatum L. E. Hoffman 1932-7-27 s.n. Riverside Beaumont-Banning Pass. Comment
  SBBG132  Eriogonum inflatum var. inflatum R. Hoffmann 1928-10-21 Riverside Whitewater Comment
  POM49276  Eriogonum molestum Mary F. Spencer 1919-7-1 1375 Riverside Idyllwild. 1616 Comment
  UCR40036  Eriogonum molestum Dave Goodward 1985-9-29 s.n. Riverside San Jacinto Mtns., rim of Hall Canyon above the U.C. James Reserve Comment
  CAS-BOT-BC258087  Eriogonum plumatella Philip A. Munz 1946-10-20 11595 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1295 Comment
  RSA38411  Eriogonum plumatella P. A. Munz 1946-10-20 11595 Riverside Near Ellen M. Mine, Joshua Tree National Monument. 1296 Comment
  RSA254045  Eriogonum reniforme Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6479 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 Comment
  RSA777761  Eriogonum reniforme Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1082 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  RSA424914B  Eriogonum saxatile Louis C. Wheeler 1931-10-3 235 Riverside Sumit Fern Valley-Tahquitz Valley trail, San Jacinto Mountains. 2500 Comment
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Jul 9 2012
  CAS-BOT-BC168246  Eriogonum thomasii Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah De Groot; Valentin Arvizu; Tim Thibault 2004-5-14 11213 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road,... Comment
  HSC88767  Eriogonum thomasii Elizabeth Neese 1979-4-11 7093 Riverside Between Blythe and Rice, 11 mi. NW of Blythe. 305 Comment
  PASA1496  Eriogonum thomasii 1926-2-21 Riverside Thousand Palms Comment
  SD225075  Eriogonum thomasii G. K. Helmkamp 1998-2-5 2674 Riverside Little San Bernardino Mtns. 3.2 mi N of jct of Thousand Palms Canyon Rd & Dillon Rd. 456 Comment
  UC1595720  Eriogonum thomasii W. Wisura, J. Dolan, M. Wall 1992-3-24 4617 Riverside on Box Canyon Rd. 4.7 mi ne Mecca Comment
  UCSB1544  Eriogonum thomasii Haller, John 1958-3-22 Riverside immediately S. of Hwy. 60-70; 5.8 miles E. of Desert Center Comment
  CAS-BOT-BC263535  Eriogonum thomasii Catherine A. Toschi 1963-4-10 63 :115 Riverside Boyd Desert Research Center 5 miles south of Palm Desert 304 Comment
  RSA488692  Eriogonum thurberi James L. Reveal, C. Rose Broome 1987-6-27 6600 Riverside San Gorgonio Pass, along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River. 541 Comment
  POM98158  Eriogonum thurberi P. A. Munz 1925-5-20 9851 Riverside 2 mi. east of Aguanga. Comment
  CAS-BOT-BC268190  Eriogonum umbellatum var. munzii James L. Reveal; Caroline G. Reveal 1972-8-9 2859 Riverside San Jacinto Mountains, along California Highway 243, 4.2 miles north-northwest of Idyllwild, 8.7 miles north of the junction with Highway 74 and 1.2 miles south of Alandale Ranger Station Comment
  UCR6442  Eriogonum umbellatum var. munzii Frank C. Vasek 1964-7-25 640725- 19 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UCR150030  Eriogonum wrightii var. membranaceum Scott D. White 2000-11-15 8152 Riverside Peninsular Range; San Jacinto Mtns, Idyllwild area, 'Strawberry Fuelbreak' betwen 'Inspiration Point' and Strawberry Creek 1646 Comment
  LA207103  Eriogonum wrightii var. nodosum Louis C. Wheeler; 1933-12-1 2294 Riverside San Jacinto Mountains, Mouth of Tahquitz Canyon 152 Comment
  RSA639640  Eriogonum wrightii var. nodosum Robert F. Thorne 1966-10-15 41793 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UCR123838  Eriophyllum ambiguum var. ambiguum Steven R. Hill 2001-5-3 33680 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  CAS-BOT-BC298480  Eriophyllum ambiguum var. paleaceum Edmund C. Jaeger No date on label s.n. Riverside Eagle Canon 91 Comment
  JEPS5462  Eriophyllum ambiguum var. paleaceum Dr. L. M. Newlon 1922-4-4 454 Riverside Palm Canon Mt. San Jacinto, Palm Canon Comment
  SEINET7073462  Eriophyllum confertiflorum A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR260536  Eriophyllum confertiflorum T. B. Salvato 2014-5-29 8054 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
  SDSU12855  Eriophyllum confertiflorum var. confertiflorum Janet M. Knotts, Jill Steinberg 1998-3-11 11 III1998C Riverside Ca. 1/4 mile along foot trail leading southeast from road, ca. 1/4 mile northeast of Santa Margarita (SDSU) Field Station, north of Santa Margarita River. 335 Comment
  UCR243515  Eriophyllum confertiflorum var. confertiflorum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21076 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  CAS-BOT-BC301784  Eriophyllum multicaule Frank W. Peirson 1922-4-29 2927 Riverside Road to Leach Canon [Canyon], Elsinore Comment
  UCR92348  Eriophyllum multicaule Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  JEPS16684  Eriophyllum wallacei Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4042 Riverside 3 mi n Shavers Summit (gravel of wash close to head of Lost Palms Canyon); Joshua Tree National Monument 762 Comment
  POM14085  Eriophyllum wallacei P. A. Munz, D. D. Keck 1922-4-14 4981 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM358157  Eriophyllum wallacei Norman C. Cooper 1945-5-6 2264 Riverside Banning 701 Comment
  UCD103199  Erodium cicutarium Barry Priggs; L. Martinez 1978-3-23 2400 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Rd. 274 Comment
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Sep 9 2013
  UCR180591  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR202505  Erodium cicutarium Justin M. Wood 2008-12-2 263 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  POM10412  Erodium texanum Charlotte M. Wilder 1905-4-2 34 Riverside Wilders Canyon, Jurupa Hills near Riverside. Comment
  POM14030  Erodium texanum P. A. Munz, D. Keck 1922-4-13 4923 Riverside Hayfields, Chuckwalla Valley 152 Comment
  RSA336175  Eryngium aristulatum var. parishii R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51968 Riverside Santa Rosa Plateau: Mesa de Colorado 609 Comment
  CAS-BOT-BC54340  Erysimum capitatum Steve Boyd; C. Boyd; K. Boyd; R. Noyes; L. Arnseth 1988-5-28 2265 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1700 Comment
  LA204345  Erysimum capitatum var. capitatum A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, 10 mi. N of Fern Valley 1219 Comment
  RSA0020058  Erythranthe guttata L. T. Street 1901-5-30 s.n. Riverside [Unspecified] Comment
  CAS-BOT-BC154055  Eschscholzia californica Jun Hu 2000-5-11 22 Riverside San Jacinto Valley: SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  RSA433686  Eschscholzia californica G. R. Johnstone 1934-3-27 18569 Riverside Near Wildomar. Inland route to Temecula. Comment
  UCR178000  Eschscholzia californica S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR22132  Eschscholzia californica Steve Boyd 1980-5-3 175 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA543193  Eschscholzia californica var. peninsularis Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6113 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCD94204  Eschscholzia glyptosperma Shannon M. Still 2008-3-21 315 Riverside California. Riverside County: Little Maria Mountains on Midland Road. North of pass through the mountains just off west side of the road. 271 Comment
  RSA3967  Eschscholzia minutiflora Carl B. Wolf 1932-4-29 3106 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  RSA777723  Eschscholzia minutiflora Jim Andre, G. L. Clifton 2011-2-22 17424 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  SBBG23074  Eschscholzia minutiflora D. Myrick 1965-3-4 1074 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  SBBG81646  Eschscholzia minutiflora S. A. Junak 1983-3-23 1640 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SD258957  Eschscholzia papastillii Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7647 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. 281 Comment
  CAS-BOT-BC419643  Eschscholzia parishii Arthur R. Kruckeberg 1939-4-11 136 Riverside Santa Rosa Mts. Comment
  UCR27651  Eschscholzia parishii John C. Roos 1947-2-15 3262 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, Eagle Mtns Comment
  CAS-BOT-BC419642  Eschscholzia parishii Edmund C. Jaeger 1922-3-4 s.n. Riverside Painted Canon [Canyon], Colorado Desert Comment
  UCR94497  Eucalyptus tereticornis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  SD4023  Eucrypta chrysanthemifolia Edmund C. Jaeger 1925-5-9 Riverside Banning-Idyllwild Road. 1036 Comment
  UCR116971  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2001-5-3 24096 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR231738  Eucrypta chrysanthemifolia John F. Green 2008-4-23 08- 05 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
  JEPS1718  Eucrypta chrysanthemifolia var. chrysanthemifolia W. L. Jepson 1901-5-19 1277 Riverside San Jacinto River bottom; San Jacinto Mts. Comment
  RSA777156  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, S. G. Jett 2008-3-20 11834 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  UC880718  Eucrypta chrysanthemifolia var. chrysanthemifolia P. A. Munz 1922-4-29 5081 Riverside w of Lake Elsinore (e slope of Elsinore Mts); Elsinore Mts. 487 Comment
  SJSU8848  Eucrypta micrantha R. C. McGehee 1970-3-5 135 Riverside Corn Springs Campground, Chuckwalla Mts, 18 mi SW of Desert Center Comment
  UCR279516  Eucrypta micrantha A. C. Sanders, Jim Malusa 2017-3-27 43104 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR134654  Euphorbia albomarginata Mitch Provance 1998-4-9 403 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  JOTR33803  Euphorbia eriantha La Doux, Tasha, B. Truesdell 2007-11-9 3301 Riverside Joshua Tree National Park. Eagle Mountains; along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  UC1971290  Euphorbia eriantha Carl B. Wolf 1932-4-29 3090 Riverside Eastern Colorado Desert. W. Edge of Maria Mts. 17 mi. from Blythe on Rice Road.; Lower Sonoran Comment
  SD229139  Euphorbia lurida Dick Schwenkmeyer 2012-8-7 777 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR5294  Euphorbia micromera O. F. Clarke 1966-10-5 661005- 25 Riverside Santa Rosa Mtns./ Sonoran (Colorado) Desert, University of Calif, Riverside Reserve [Deep Canyon], Big Horn Drive [to?] Royal Carrizo Rd 915 Comment
  CAS-BOT-BC202547  Euphorbia misella Edmund C. Jaeger 1921-4-2 53 Riverside Whitewater Bench, Colorado Desert Comment
  PASA695  Euphorbia palmeri Sally Ellis 1939-6-22 Riverside Halona Comment
  UC455399  Euphorbia palmeri I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  CLARK-A1656-887  Euphorbia polycarpa Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  UCR97280  Euphorbia polycarpa Scott D. White 1993-3-12 1167 Riverside Near Winchester 466 Comment
  SEINET10739816  Euphorbia polycarpa Lewis S. Rose 1935-12-19 Rose 35663 Riverside Colorado Desert, Palm Springs, CA. 133 Comment
  UCR116398  Euphorbia revoluta J. Zabriskie 1976-10-15 944 Riverside Santa Rosa Mtns / Colorado Desert, Deep Canyon Desert Research Area, downslope to Deep Canyon from Bighorn Overlook, along Hwy 74. 1098 Comment
  UCR178313  Euphorbia serpillifolia T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 613 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA525338  Euphorbia spathulata Steve Boyd, David E. Bramlet 1990-4-29 4468 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA701365  Euphorbia spathulata Steve Boyd, Aydee Virgen 2004-4-13 10892 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA600227  Euphorbia supina L. C. Wheeler 1960-5-12 7702 Riverside Banning. Comment
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Mar 13 2011
  SEINET10741473  Eustoma exaltatum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12840 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
  UCR72179  Fagonia laevis Theo Glenn 1991-5-15 91- 39 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  JEPS43396  Fagonia pachyacantha Marjorie D. Clary 1932-5-11 1644 Riverside 2 mi sw, Coral Reef, on the Conchilla desert Coachella; Colorado Desert 0 Comment
  UCR233167A  Fagonia pachyacantha Jim Andre, Glenn L. Clifton 2011-2-22 17444 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR228839  Festuca microstachys A. C. Sanders, T. B. Salvato 2011-4-27 39338 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCR5908  Festuca myuros Leland E. Francois 1966-3-29 32966- 2 Riverside Riverside, SE corner US Salinity Laboratory property, located at the corner of 14th St. and Palm Ave. 290 Comment
  UCR67398  Festuca myuros A. C. Sanders, E. Rey, D. Willick 1991-4-19 10921 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  RSA0124825  Festuca octoflora Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8746 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  UCR154832  Festuca octoflora A. C. Sanders, Mike Misenhelter 2005-3-23 29279 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR230779  Festuca octoflora A. C. Sanders, Matthew Malle 2010-4-23 38014 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  SBBG119938  Ficus carica A. C. Sanders with O. F. Clarke 1991-6-10 11119 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  RSA772134  Filago californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4980 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  RSA586503  Filago gallica D. L. Banks, S. D. Boyd 1995-5-9 0334 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
  SEINET8754812 Image available Forestiera pubescens subsp. neomexicana Bonnie C. Templeton 1930-4-15 1476 Riverside Gavilan Peak Comment
  CAS-BOT-BC384198  Forestiera pubescens subsp. parvifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 290 Riverside About 50' SW of #291 (female). About 1/2 mi. up canyon east of turnout parking area 1/2 mi. up Santa Rosa Mt. Rd. from Hwy. 74. Santa Rosa Mountains 1371 Comment
  SEINET6645833  Fouquieria splendens G. C. Wheeler, J. Wheeler 1968-4-8 s.n. Riverside Deep Canyon Desert Research Area Comment
  JEPS44673  Fragaria vesca Carl V. Meyer Jun 1927 195 Riverside San Jacinto Mt. Comment
  GMDRC6576  Frangula californica subsp. cuspidata J. M. Andre 2012-6-15 30533 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  SBBG28518  Frangula californica subsp. cuspidata C. B. Wolf 1932-8-6 3989 Riverside Strawberry Valley at base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  SD38248  Frankenia salina Edith A. Purer 1936-4-6 6878 Riverside South of Elsinore Comment
  CLARK-A1656-660  Franseria dumosa Lois Ann Scott 1978-11-17 Riverside San Jacinto Mountains 152 Comment
  UCR35004  Frasera parryi L. B. Ziegler 1972-6-26 486 Riverside San Jacinto Mtns, [Hemet] Garner Valley 1400 Comment
  POM9990  Frasera parryi H. M. Hall 1901-07 s.n. Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA191448  Fraxinus dipetala E. W. Lathrop, Robert F. Thorne 1967-10-22 6671 Riverside 2 miles NW of Murrieta. on the Tenaja Grade. Comment
  RSA263768  Fraxinus dipetala E. W. Lathrop 1968-5-22 6900 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA464922  Fraxinus dipetala A. Menke 1955-4-28 s.n. Riverside Near Barton Peak Lookout. San Jacinto Mts. Comment
  UCR104082  Fraxinus dipetala A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20674 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. north of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon 1098 Comment
  UCR259203  Fraxinus velutina Mitch Provance 2012-3-30 312- 02 Riverside San Gorgonio Pass, south of Banning at Smith Creek, near the corner of Coyote Trail and Old Idyllwild Rd. 693 Comment
  RSA771883  Fritillaria biflora Steve Boyd 2010-5-28 12283 Riverside Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers 1012 Comment
  UCR162886  Fumaria parviflora Fred M. Roberts, Pam De Vries 2004-4-4 6027 Riverside Colorado Desert; Colorado Desert Western Region, Coachella Valley: Sun City, c. 20m S Avenue 38 and 1.4km W Washington Ave, just N of I-10 41 Comment
  RSA25130  Funastrum hirtellum C. L. Hitchcock 1940-3-31 5886 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA458597  Funastrum hirtellum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA475291  Funastrum hirtellum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2099 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA49192  Funastrum hirtellum P. A. Munz 1949-4-12 13041 Riverside Dry rocky ridgen and slopes, edge of limestone and hematite bear Iron Chief Mine, north end of Eagle Mts. Mohave Desert. 1067 Comment
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Jun 26 2009
  SEINET4560610  Funastrum hirtellum Duncan S. Bell 2009-1 298 Riverside Arica Mountais: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UCR112980  Gaillardia pulchella Mitch Provance 1998-6-20 754 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  CLARK-A1528-827  Galium angustifolium I. Rauch 1968-5-14 Riverside Santa Ana Mountains Comment
  UC1929611  Galium angustifolium Scott D. White 2003-3-21 8816 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  POM15037  Galium angustifolium subsp. angustifolium Mary F. Spencer 1922-6-30 1663 Riverside Brook Camp, San Jacinto Mountains. Comment
  RSA144223  Galium angustifolium subsp. angustifolium William M. Klein 1960-8-22 1583 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  SEINET4855469  Galium angustifolium subsp. jacinticum Unknown 1966-6-18 4244 Riverside Black Mountain road, 0.9 mi above junction of road to Pine Wood, San Jacinto Mountains. 1982 Comment
  UCR147257  Galium aparine Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1282 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  JOTR32840  Galium multiflorum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1481 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  RSA612370  Galium nuttallii D. L. Banks, Joe Moreno 1997-2-5 1252 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  RSA667005  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 Riverside San Jacinto Valley: west end of Hemet-Ryan airport runway, 50-200m east of Warren Rd. and 100-200m north of Stetson Ave. 457 Comment
  JOTR30285  Garrya flavescens Bell, Mike, Kathleen White 2007-3-20 s.n. Riverside Joshua Tree National Park. Eureka Peak Comment
  RSA97228  Garrya flavescens var. pallida F. W. Peirson 1921-3-21 4464 Riverside Gordon trail from Andreas Canyon, San Jacinto Mts. 1524 Comment
  RSA234079  Garrya veatchii Robert F. Thorne, E. Lathrop 1969-6-6 39331 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  SD152991  Gastridium phleoides Steve Boyd 1992-4-23 7063 Riverside San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside county line, following San Mateo trail upstream to the confluence with Bluewater Canyon 244 Comment
  UC1930170  Gastridium phleoides Scott D. White, Michael Honer 2003-6-3 9463 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR90585  Gastridium ventricosum Scott D. White 1995-6-29 3384 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  OBI12029  Gayophytum diffusum subsp. parviflorum Dieter H. Wilken 1965-6-29 336 Riverside Hall cyn, at Lake Fulmor, San Jacinto Mts 1494 Comment
  POM358656  Geraea canescens M. B. Dunkle 1935-3-17 4404 Riverside Desert Center. 610 Comment
  POM47485  Geraea canescens Mary F. Spencer 1920-3-11 1482 Riverside In desert sand, Mecca -60 Comment
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Nov 8 2011
  RSA21760  Geraea canescens C. B. Wolf 1937-4-6 8432 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  SBBG32350  Geraea canescens L. S. Rose 1967-12-20 67183 Riverside ca. 6 mi SE of Thousand Palms 15 Comment
  SEINET7063563  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  RSA613327  Gilia angelensis D. L. Banks 1997-3-6 1391 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  SD231367  Gilia angelensis J. Mark Porter, Sara DeGroot 2005-3-9 14257 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I-10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  UC1178638  Gilia angelensis Peter Kamb 1948-5-2 929 Riverside above Banning (n slope of the San Jacinto Mts.); San Jacinto Mts. 1066 Comment
  UC1595709  Gilia angelensis W. Wisura, A. King, and L. Newcomb 1992-4-10 4673 Riverside n of West Palm Springs; Gorgonio Pass, Stubbe Canyon Comment
  UCR102890  Gilia angelensis A. C. Sanders 1997-3-26 20097 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR133440  Gilia capitata Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 201 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  RSA470223  Gilia capitata subsp. abrotanifolia Anstruther Davidson s.n. Riverside Between Shaver's Well and Desert Center. Comment
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Sep 20 2011
  RSA586875  Gilia capitata subsp. abrotanifolia D. L. Banks, S. D. Boyd 1995-5-3 0294 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA67077  Gilia capitata subsp. abrotanifolia Verne Grant, Alva Grant 1951-6-4 16010 Riverside Small canyon 2 mi. s. of Temecula on Hwy 395. 335 Comment
  UCR268287  Gilia capitata subsp. abrotanifolia Jim Andre 2012-6-15 30535 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCSB54147  Gilia capitata subsp. abrotanifolia Brownell, Kathleen 1980-5-16 Riverside 2 mi. W. on Murieta Rd. from DeLuz Rd.; Santa Ana Mts. Comment
  UCR168684  Gilia ochroleuca T. B. Salvato, John F. Green 2004-5-27 587 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
  UCR23210  Gilia ochroleuca J. C. Lyman 1981-5-15 s.n. Riverside San Jacinto Mtns, May Valley Road, Idyllwild Comment
  CAS-BOT-BC407619  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside Temecula Canyon, 1 mile S of Temecula Comment
  SBBG87642  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside lower Bee Cyn, 0.2 mi above the mouth of cyn 609 Comment
  SD261000  Gilia ochroleuca subsp. exilis Andrew C. Sanders 1994-5-29 14576 Riverside San Bedrnardino Mountains: East BrANCH Millar Canyon, along FS Road 4S45 1200 Comment
  RSA504964  Gilia stellata D. Charlton 1988-2-25 1232 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road and Dillon Road, S side of Joshua Tree National Park, parallel to I-10, 5 miles E of jct Dillon Road and Fargo Canyon Road. 610 Comment
  UCR1363  Gilia stellata Frank C. Vasek 1960-3-17 600317- 07 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  SEINET3163640  Gilia virgata var. dasyantha S. B. Parish 1907-4-19 6123 Riverside western border of the Colorado Desert 150 Comment
  RSA585521  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0386 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  RSA526490  Githopsis diffusa subsp. robusta Steve Boyd, Timothy S. Ross 1990-5-11 4686 -B 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
  RSA712687  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Peninsular Range: Alberhill Mountain, SE of old clay mining area. 448 Comment
  SD146072  Glinus lotoides A. C. Sanders, Mitch Provance 1999-9-26 23111 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Spr 433 Comment
  UCR275511  Glyceria declinata D. E. Bramlet 2012-4-9 4994 Riverside San Gorgonio Pass, Banning, open fields south of Westward Ave. and east of Sunset Ave., west of 22nd St. 732 Comment
  IRVC28517  Glyceria declinata A. C. Sanders, S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog San Bernardino Mtns 1098 Comment
  RSA180320  Gnaphalium californicum E. W. Lathrop 1965-4-4 5621 Riverside 8 miles west of Murrieta Comment
  UCR90599  Gnaphalium californicum Scott D. White 1995-6-29 3380 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  RSA89959  Gnaphalium canescens J. C. Roos 1950-10-21 5014 Riverside Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  UCR162772  Gnaphalium luteoalbum S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR241658  Gnaphalium luteoalbum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 318 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA760355  Gnaphalium palustre R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55211 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UCR85639  Gnaphalium palustre A. C. Sanders 1993-4-5 13688 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
  UCR93061  Gnaphalium stramineum A. C. Sanders, S. Ogg 1994-7-28 15178 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  JOTR30314  Guillenia lasiophylla La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1747 Riverside Joshua Tree National Park. Stop # 3 Northwest end of Eagle Mountains, near road leading to Cottonwood Canyon. 898 Comment
  RSA718577  Guillenia lasiophylla Michael Honer, L. Hulse 2004-4-3 1896 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  UC1584126  Guillenia lasiophylla Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3875 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches of s flank of Big Oak Mtn); Vail Lake Area 396 Comment
  CLARK-A1528-1861  Gutierrezia bracteata John C. Roos 1965-6-21 Riverside Comment
  RSA597056  Gutierrezia californica D. L. Banks, Lauren Raz 1996-11-5 1161 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  SEINET269563  Gutierrezia californica Scott D. White 1996-5-27 4077 Riverside E. of Moreno Valley and S.of Calimesa between State Hwy. 60 and Gilman Spr. Rd. west and north of former gravel quarry 518 Comment
  CAS-BOT-BC302144  Gutierrezia sarothrae A. M. White 1974-6-5 1418 Riverside Ca. 2.5 mi. from Corona freeway, Alberhill turnoff Comment
  SD229096  Gutierrezia sarothrae Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 647 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area 1303 Comment
  UC672169  Gutierrezia sarothrae H. L. Mason 1926-5-2 3205 Riverside Temecula Valley Comment
  UCR120564  Gutierrezia sarothrae Helen Kennedy, T. B. Salvato 2002-2-2 5449 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
  RSA90691  Gutierrezia sarothrae F. W. Peirson 1920-6-22 5297 Riverside Temescal Canyon 335 Comment
  UCR82926  Haplopappus acradenius A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15818 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA0066623  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCR22069  Harpagonella palmeri Steve Boyd 1980-4-27 142 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR281828  Hazardia squarrosa Mitch Provance 2017-8-9 817- 01 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SCE transmission Rd. on ridge just SW of El Casco Lake 643 Comment
  RSA589076  Hazardia squarrosa var. grindelioides D. L. Banks, S. D. Boyd 1995-10-17 0787 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
  CAS-BOT-BC211544  Helianthemum scoparium Carl B. Wolf 1936-6-17 7956 Riverside Tenaja Road, 1 4/10 mi. off Ortega Highway on road to La Cienega, Santa Ana Mts. 609 Comment
  UCR148328  Helianthus annuus John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  CAS-BOT-BC305709  Helianthus gracilentus Wesley O. Griesel 1962-6-29 s.n. Riverside Road between Banning and Idyllwild, San Jacinto Mountains 1524 Comment
  UCR33813  Heliotropium curassavicum Faulkner 1978-4-27 501 Riverside Sonoran (Colorado) Desert, 3 miles east of Blythe 137 Comment
  SEINET2052675 Image available Hemizonia fasciculata Steven J. Southwell 1971-5-25 Riverside E. side of Pidgeon Pass Rd. approx. 3 miles N of Hwy 74. 609 Comment
  SEINET7067549  Hemizonia fasciculata A. G. Vestal 1947-6-13 s.n. Riverside About 2.5 miles northeast of De Luz. Coordinate datum: NAD27. UTM Zone 11, 473710mE, 3702441mN. Comment
  UCR239919  Hemizonia fasciculata O. F. Clarke 2004-5-2 s.n. Riverside Santa Ana River near Riverside 244 Comment
  POM49852  Hemizonia mohavensis P. A. Munz, Johnston 1924-7-29 8880 Riverside Banning Idyllwild Road. 945 Comment
  POM360325  Hemizonia paniculata Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  RSA660909  Hemizonia paniculata Mitch Provance 1998-3-5 524 Riverside VABM 1031, Hill traditionally called ''Lionshead'', but also referred to as ''Challen Hill'', located near the corner of Harrison St. and California Ave. in the Arlington area. 274 Comment
  UCR100377  Hemizonia paniculata A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21612 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  UCR151206  Hemizonia paniculata Scott D. White 1999-10-7 7625 Riverside Peninsular Ranges; Perris-Agunanga Basin Region, Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway 534 Comment
  UCR90423  Hemizonia paniculata D. L. Banks, Steve Boyd 1995-10-26 0829 Riverside NW Palomar Mtns., Agua Tibia Mtns; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approx. 1.6 mi from the Wilderness boundary 939 Comment
  RSA520921  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2053 Riverside The northern shoulder of the Ramona Expressway 440 m W of Lakeview and some 587 m. E of the San Jacinto River. 477 Comment
  RSA532586  Hemizonia pungens subsp. laevis D. E. Bramlet 1989-8-7 1938 Riverside Southwest corner of Lake Elsinore, 700m NW of Rome Hill, just off private drive (Lucerne St.?) some 400 m east of Grand. 428 Comment
  POM19368  Heterocodon rariflorum Mary F. Spencer 1923-7-23 2216 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR34980  Heterotheca grandiflora L. B. Ziegler 1967-12-10 263 Riverside San Jacinto Valley at San Jacinto 473 Comment
  SD137874  Heterotheca sessiliflora subsp. echioides Darin L. Banks, Steve Boyd 1995-10-17 785 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; along lower Arroyo Seco, south of the Dripping Springs Campgroud 515 Comment
  RSA603300  Heuchera parishii R. E. Riefner 1997-8-7 97 -242 Riverside Santa Rosa Mountain: near summit 2439 Comment
  SFV6345  Hibiscus denudatus T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 61 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UCR75094  Hibiscus denudatus A. C. Sanders, E. J. Lawlor 1992-4-4 12093 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR33778  Hibiscus trionum A. Kishaba 1983-11-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, west of Thermal Comment
  CAS-BOT-BC207507  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  CAS-BOT-BC540739  Hoffmannseggia glauca Sarah J. De Groot; Amy Rouillard 2015-9-15 7570 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  UCD105854  Hoffmannseggia microphylla P. C. Everett; E. K. Balls 1958-4-29 22958 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  UCR217500  Holocarpha virgata subsp. elongata Karyn L. Drennen 2009-6-19 1 Riverside Santa Ana Mtns- foothills, Santa Rosa Plateau, north of Monument Hill Rd 586 Comment
  CAS-BOT-BC285036  Hordeum depressum A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd. 460 Comment
  UCR267167  Hordeum intercedens D. E. Bramlet 2001-5-8 3137 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of Davis Rd. at the San Jacinto River 434 Comment
  RSA560848  Hordeum marinum subsp. gussoneanum Steve Boyd, Timothy S. Ross 1992-5-4 7176 -A Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  CAS-BOT-BC284763  Hordeum murinum subsp. glaucum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23083 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  SDSU9063  Horkelia bolanderi F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mtns. Comment
  UCR193407  Horkelia clevelandii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35576 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  CAS-BOT-BC201090  Hosackia crassifolia Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38155 Riverside San Bernardino National Forest, San Jacinto Mts.: Lake Fulmor 1676 Comment
  UCSC000923  Hosackia oblongifolia var. oblongifolia Peter Kamb 1947-6-7 560 c Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  CAS-BOT-BC312592  Hulsea vestita subsp. callicarpha F. R. Irvine 1958-6-27 s.n. Riverside Santa Rosa Indian Reservation Comment
  CAS-BOT-BC312593  Hulsea vestita subsp. callicarpha F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  LA203773  Hulsea vestita subsp. callicarpha Norman C. Cooper; 1944-7-16 1556 Riverside San Jacinto Mountains, above Pine Cove 2072 Comment
  RSA507957  Hulsea vestita subsp. callicarpha Steve Boyd, Carol Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2275 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC32855  Hulsea vestita subsp. callicarpha W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Sunset Hill; San Jacinto Mt. 1554 Comment
  RSA134687  Hydrocotyle ranunculoides P. H. Raven 1959-5-17 14233 Riverside Lake Fulmor, San Jacinto Mtns. Comment
  RSA757753  Hymenoclea salsola LeRoy Gross, Jacqueline McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4285 Riverside 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
  UCR109553  Hymenoclea salsola R. D. Goeden, Don W. Ricker 1974-3-1 s.n. Riverside Sonoran (Colorado) Desert, Desert Center 305 Comment
  RSA544396  Hypochaeris glabra Steve Boyd 1991-5-30 6323 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  SBBG101688  Hypochaeris glabra S. Boyd 1991-5-30 6323 Riverside SE end of Double Butte, just N of Winchester, 0.5 mi W of St Hwy 79 457 Comment
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Mar 21 2013
  CHSC745  Hyptis emoryi V. Holt 1942-3-27 Riverside Blythe. 91 Comment
  OBI13685  Hyptis emoryi Robert F. Hoover 1966-10-15 10164 Riverside Dead Indian Cyn Comment
  RSA420157  Hyptis emoryi Christopher Davidson 1973-4-1 1835 Riverside Palm Springs. 488 Comment
  RSA790624  Hyptis emoryi Aaron C. Sedgwick, David Fraker 2012-4-24 7 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  UCD124921  Hyptis emoryi B. Pitzer 1998-1-24 3405 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at powerline rd, and wash directly south of road. 499 Comment
  UC186443  Ipomoea hederacea Gordon Surr 1915-12-5 10739 Riverside Arlington Comment
  CDA5543  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside Northwest of Neighbors Boulevard & Avenue 22, 1.4 miles north of Ripley. 0 Comment
  RSA770888  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4591 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA784973  Isocoma acradenia var. eremophila Duncan S. Bell 2012-3-18 3219 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  CAS-BOT-BC324740  Iva axillaris I. M. Johnston 1918-5-30 2014 Riverside Temescal Canyon 365 Comment
  UCR209195  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37141 Riverside Peninsular Range, Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 335 Comment
  UCR277766  Juglans californica Mitch Provance 2012-7-15 612- 65 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  UCR264609  Juncus Mitch Provance 2012-11-9 1112- 4 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  SEINET3878466  Juncus effusus Faulkner 1978-4-27 480 Riverside 3 miles east of Blythe, shores and flood plains of Colorado River.; 0 137 Comment
  RSA666859  Juncus luciensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 738 Riverside Mesa de Burro 610 Comment
  RSA575973  Juncus macrophyllus Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, south flank of the range in Arroyo del Toro. Bull Canyon Road. Comment
  RSA368245  Juncus mexicanus Lester H. Cushman 1932-5-8 s,n, Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  RSA704867  Juncus mexicanus J. Russell Bruff 1934-6-19 549 Riverside Near Hemet Reservoir. Comment
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Jul 29 2010
  SD60445  Juncus oxymeris Reid Moran 1964-7-27 11859 Riverside Edge of stream, canyon of Santa Margarita River, 2I(c) miles south-southwest of Temecula, [3I(c) miles north-northwest of Rainbow]. 199 Comment
  UCR193376  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  CDA33225  Juncus rugulosus S. Munhall 1957-7-18 Riverside Cleveland National Forest, high rocky ridge. 0 Comment
  UCR20876  Juncus tiehmii A. C. Sanders 1978-7-3 790 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCR108837  Juncus xiphioides O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR174172  Juncus xiphioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32582 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
  RSA33306  Juniperus californica N. C. Cooper 1943-9-11 911 Riverside Palms to Pines Hwy. 1219 Comment
  RSA592671  Juniperus californica Scott D. White, Duayne Haselfeld 1996-7-2 4263 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UCR90975  Juniperus californica Scott D. White 1995-12-30 3803 Riverside Perris Basin, SW of Perris, above S bank of San Jacinto River. 442 Comment
  POM118330  Justicia californica Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  SBBG68771  Justicia californica L. G. Yates 1895-1 Riverside Palm Springs Comment
  SEINET182381  Justicia californica I. W. Clokey 1935-4-17 6888 Riverside Cottonwood Springs Comment
  UC724210  Justicia californica Aven and Ruth Nelson 1939-3-22 3219 Riverside Palm Springs Comment
  UCR143425  Justicia californica Nesta Dunn, A. M. Martin 1932-3-26 s.n. Riverside Sonoran (Colorado) Desert, Shavers Well 305 Comment
  POM9329  Justicia californica Mary F. Spencer 1920-3-13 179 Riverside Painted Canyon near Mecca. Comment
  POM263041  Kallstroemia californica J. C. Roos 1937-8-20 357 Riverside Blythe Comment
  UCD77786  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Palo Verde Mesa, at ne base of Mule Mountains. 114 Comment
  RSA660928  Keckiella antirrhinoides Mitch Provance 1998-5-29 559 Riverside NW side of North Hill, along the S edge of Lake Evans. 274 Comment
  UCR172761  Keckiella antirrhinoides Abby Sirulnik, Ian G. Gillespie 2000-5-14 50 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  JOTR32444  Keckiella antirrhinoides var. microphylla Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  UCR30791  Keckiella ternata A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3867 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 Comment
  RSA293260  Keckiella ternata subsp. ternata D. C. Michener 1980-6-11 3676 Riverside Thomas Mtns. Semi-open chaparral Pinus transition ca 1.7 mi. along Thomas Mtn road [6S13] from jct with CA 74 near Lake Hemit. 1450 Comment
  RSA629035  Kochia scoparia Scott D. White 1998-7-4 6846 Riverside Corona: River Road bridge over the Santa Ana River. 152 Comment
  UC1117716  Koeleria macrantha Alan A. Beetle 1946-6-10 4393 Riverside near Idyllwild; San Jacinto Mts., near Idyllwild 1219 Comment
  UCR2493  Koeleria macrantha F. M. Reed 1932-7-2 7294 Riverside San Jacinto Mountains, Camp Emerson, Idyllwild 1524 Comment
  CAS-BOT-BC273672  Koeleria pyramidata H. M. Hall 1901-6-1 2376 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  CAS-BOT-BC273673  Koeleria pyramidata H. M. Hall 1901-6-1 2376 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  RSA0104243  Kopsiopsis strobilacea A. Hood 1945-6-1 p 954 Riverside San Jacinto Mountain. 2895 Comment
  JOTR30064  Krameria erecta La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1694 Riverside Joshua Tree National Park. Stop #2 = Near Geology Tour rd., N of Malapai Hill 1286 Comment
  UC449697  Krameria grayi E. E. Schellenger 1911-4-25 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs Comment
  UC667367  Krameria grayi Annie M. Alexander and Louise Kellogg 1941-5-20 2207 Riverside Eagle Mountains Eagle Mountain Pumping Station Road; Colorado Desert, Eagle Mountains 457 Comment
  UCR89575  Krameria grayi Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  UCR127565  Lagophylla ramosissima A. C. Sanders, T. B. Salvato 2003-5-21 26792 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
  POM10522  Lamarckia aurea C. F. Baker 1909-04 s.n. Riverside Riverside. Comment
  RSA658972  Lamarckia aurea Margaret Murphy 1983-4-15 3 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  SD225025  Laportea ovalifolia A. C. Sanders 1995-11-30 17926 Riverside Riverside: week in the UCR Botanic Garden. 365 Comment
  CAS-BOT-BC205629  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  POM310157  Larrea tridentata Hulda Crooks 1946-3-2 265 Riverside Palm Springs area. 139 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
  SD229306  Larrea tridentata Dick Schwenkmeyer 2013-6-11 913 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UC1280939  Larrea tridentata H. E. McMinn 1937-3-5 5000 Riverside about 7 mi w Blythe Comment
  CAS-BOT-BC354214  Lasthenia coronaria A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37811 Riverside Peninsular Range: southeastern Gavilan Hills N 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
  POM361558  Lasthenia coronaria M. B. Dunkle 1935-3-10 4356 Riverside Temescal Canyon 243 Comment
  RSA586113  Lasthenia coronaria D. L. Banks, S. D. Boyd 1995-4-5 0153 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, W of the Dripping Springs Trail. 503 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
  SEINET2053253 Image available Lasthenia coronaria Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. Sage 7.5' quad. 701 Comment
  UC1536902  Lasthenia coronaria G. H. True 1935-3-14 103 Riverside Goulan Hills Comment
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Dec 12 2011
  UC665882  Lasthenia coronaria Ira L. Wiggins 1941-3-27 9695 Riverside 4 mi n of Whitewater Comment
  UCSB6390  Lasthenia coronaria Ralph, F. 1960-4-1 Riverside White Water Canyon, 1.6 miles N of U.S. Hwy. 99; western edge of Colorado Desert Comment
  RSA550486  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2235 Riverside San Jacinto Wildlife approximatly 1km east of Davis Road.the polulation extends from an area 20m. of the old San Jacinto River channel to a large alkaline flat, just west of the 1st wildlife ond and extending to the Horse ranch. 133 Comment
  UCR189566  Lasthenia glabrata subsp. coulteri Diane Menuz 2007-7-11 329 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area 436 Comment
  UCR191540  Lasthenia glabrata subsp. coulteri A. C. Sanders 2008-4-15 34887 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  RSA336169  Lasthenia gracilis R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52001 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA586869  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-5-3 0288 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR116908  Lasthenia gracilis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23965 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA92894  Lasthenia gracilis F. W. Peirson 1922-4-29 4520 Riverside Field S of Lake Elsinore 375 Comment
  UCR35018  Lathyrus vestitus subsp. vestitus L. B. Ziegler 1967-4-18 115 Riverside San Jacinto Mtns, Foothills of the mountains, Soboba Indian Reservation, Poppet Flat Rd 581 Comment
  UCR138636  Lathyrus vestitus var. alefeldii D. L. Banks, J. Moreno 1997-2-5 1262 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  CAS-BOT-BC320799  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside Vicinity of Riverside. Fairmount Park 243 Comment
  JOTR29582  Layia glandulosa Andre, Jim 2006-4-6 6714 Riverside Joshua Tree National Park. Along Desert Queen Mine Rd 1362 Comment
  JOTR30961  Layia glandulosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1936 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA744309  Layia glandulosa Michael Wall 2009-5-15 509 Riverside Bautista Creek, off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 752 Comment
  SBBG93122  Layia platyglossa D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd 701 Comment
  UCSB17220  Layia platyglossa Gerhart, Janet 1963-5-5 Riverside Hemet Meadow, 1.3 miles south of Hurkey Creek Campground on California Highway 74 1341 Comment
  RSA0045153  Layia platyglossa Andrew Haimov, April Sleigh 1992-4-14 75 Riverside 25 meters east of Davis Road, 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area access road, north of Jacinto River. Comment
  UCR113899  Lepidium chalepense Mitch Provance 1998-4-13 431 Riverside City of Riverside, Vacant lot on corner of California Ave. and Monroe St. in the Arlington area of Riverside 229 Comment
  UCR166806  Lepidium densiflorum var. elongatum R. E. Riefner Jr. 2005-6-1 05- 437 Riverside Hemet, Wilhelm property, south side of Florida Ave (Hwy 74) c. 0.25 mi west of MWD canal 459 Comment
  UCR96863  Lepidium dictyotum var. acutidens Scott D. White 1993-4-30 1323 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  CAS-BOT-BC89440  Lepidium fremontii Carl B. Wolf 1932-4-27 3043 Riverside Colorado Desert. Mecca-Blythe Road. 0.75 mile west of Utopia. 152 Comment
  HSC101221  Lepidium fremontii Jim Andre 2012-3-19 21394 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  GMDRC3750  Lepidium fremontii var. fremontii J. Andre, T. La Doux 2009-3-1 11247 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  UCR102707  Lepidium lasiocarpum B. G. Pitzer 1998-1-24 3391 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR214432  Lepidium lasiocarpum A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37493 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UC856469  Lepidium lasiocarpum var. lasiocarpum C. L. Hitchcock 1940-3-31 5884 Riverside 0.5 mi below Cottonwood Springs Comment
  UCR217801  Lepidium lasiocarpum var. lasiocarpum Jim Andre, T. La Doux 2010-2-28 12552 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
  UCR228823  Lepidium latipes A. C. Sanders, T. B. Salvato 2011-4-4 38971 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  HSC6860  Lepidium virginicum var. menziesii C. L. Hitchcock 1966-3-15 24163 Riverside 3 mi. E of Glen Ivy Hot Springs Comment
  POM113965  Lepidium virginicum var. robinsonii Marcus E. Jones 1926-3-10 s.n. Riverside Santa Ana Canyon Comment
  UCR93089  Lepidospartum squamatum Scott D. White 1995-12-24 3799 Riverside Lakeview Mtns., c. 5 road mi SE of Davis Road/Ramona Expressway intersection. 610 Comment
  UC23414  Leptodactylon californicum A. J. McClatchie May 1892 27 Riverside near Elsinore; near Elsinore Comment
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  JOTR31146  Leptodactylon pungens La Doux, Tasha 2009-6-3 1856 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  RSA192029  Leptosiphon floribundus E. W. Lathrop 1959-4-2 4428 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
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Apr 28 2011
  RSA171374  Leptosiphon floribundus subsp. glaber J. D. Olmsted 1962-5-3 3534 Riverside Above old Santa Rosa Indian Village; SW of Santa Rosa Mountain. 1905 Comment
  UC310390  Lesquerella tenella Edmund C. Jaeger 1926-3-24 Riverside Pinto Valley; eastern Riverside Co. Comment
  SBBG118780  Lessingia glandulifera S. D. White 1999-7-9 7533 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  OBI69966  Leymus condensatus L. LaPre 1988-6-3 s.n. Riverside Indian Trls project site, Indian Truck Trl exit on W side of I-15 fwy in Temescal Cyn, ca 1/4 mi from the fwy near the dirt rd Comment
  UCR234281  Limonium sinuatum A. C. Sanders 2012-4-12 40029 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 312 Comment
  JOTR33964  Linanthus bigelovii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2850 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
  SBBG98235  Linanthus dianthiflorus N. C. Cooper 1944-3-24 1014 Riverside Banning 701 Comment
  SDSU13337  Linanthus dianthiflorus Tom Duffy, Taria Sagar 2000-4-29 5 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve. 320 Comment
  POM364714  Linanthus jonesii N. C. Cooper 1949-4-8 3319 Riverside Desert Center. 609 Comment
  UCR172725  Linaria canadensis A. C. Sanders, John F. Green 2006-5-18 32372 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  RSA614390  Linaria canadensis var. texana D. L. Banks, Victor W. Steinmann 1997-3-13 1525 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
  RSA523535  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3994 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  CSUSB1428  Lobularia maritima Annette Price 1962-3-31 012 Riverside Growing along road through Citrus Experiment Station, just past station at the curve in the road, UCR campus, Riverside. Comment
  CSUSB536  Lobularia maritima H. C. Sharma 1976-4-26 760426 3 Riverside Washington Street, about 3 miles south of Washington Street on the side of Mocking Bird Canyon 335 Comment
  JOTR35499  Loeseliastrum matthewsii La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3187 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UC106720  Loeseliastrum matthewsii T. S. Brandegee 1892-5-14 Riverside Whitewater Comment
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Jan 14 2010
  CAS-BOT-BC342260  Logfia filaginoides H. M. Hall 1903-4-1 3786 Riverside Vicinity of Riverside 365 Comment
  JEPS33559  Logfia filaginoides W. L. Jepson 1928-4-19 12428 Riverside hills 5 mi n Elsinore 609 Comment
  UCR243130  Logfia gallica Kate Kramer 2012-5-8 256 Riverside Peninsular Range; San Jacinto Mountains, south side of Hwy 74 near cement-lined water flue at National Forest Lands boundary 576 Comment
  UCR60835  Logfia gallica R. F. Thorne 1973-5-23 43869 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA511058  Lolium perenne Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR54315  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  RSA575975  Lolium perenne Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau 610 Comment
  CLARK-A1528-4717  Lolium perenne subsp. multiflorum John C. Roos 1953-4-21 5915 Riverside March Air Force Base 457 Comment
  RSA736304  Lolium rigidum Scott D. White, Justin M. Wood 2008-5-13 11951 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  SEINET251684 Image available Lolium rigidum Walter Graves 2002-5-15 502 -13 Riverside Riverside : grown at U.C. R. in Agricultural Operations Fields (Riverside East 7.5' Q.) 305 Comment
  SEINET251685 Image available Lolium rigidum Walter Graves 2002-5-15 502 -14 Riverside Riverside: grown at U. C. R. in Agricultural Operations Fields ( Riverside East 7.5' Q.) 305 Comment
  UC38797  Lolium temulentum E. A. Zumbro 1899-5-17 Riverside Riverside Comment
  RSA526498  Lomatium lucidum Steve Boyd, Timothy S. Ross 1990-5-11 4693 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR115430  Lomatium lucidum Scott D. White, D. E. Bramlet 1999-4-22 7245 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UC1511321  Lomatium mohavense Robert F. Thorne, Avi Shmida, and Robert Whittaker 1978-4-23 52084 Riverside Pinyon Flats, along Hwy 74 Comment
  SEINET7063421  Lomatium utriculatum A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore along Railroad Canyon. UTM Zone 11, 473626mE, 3725052mN. (WGS84/NAD83). 411 Comment
  SEINET7073338  Lomatium utriculatum A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR120961  Lomatium utriculatum A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23888 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 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-BC234894  Lonicera subspicata var. denudata Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  CLARK-A1528-2409  Lonicera subspicata var. johnstonii John C. Roos 1952-7-16 5813 Riverside 487 Comment
  UCR110990  Lotus argyraeus var. argyraeus George K. Helmkamp 1998-6-27 4125 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  RSA761276  Lotus crassifolius Shawn Krosnick, Lucinda A. McDade, Naomi Fraga 2010-8-14 676 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM13289  Lotus grandiflorus var. mutabilis E. C. Jaeger 1921-7-13 88 Riverside San Jacinto Mtns: Dark Canyon. Comment
  RSA523533  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3992 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR174444  Lotus hamatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32509 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
  RSA450197  Lotus heermannii J. C. Roos 1952-6-13 5768 Riverside Pigeon Pass. 427 Comment
  UC15609  Lotus heermannii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  POM48827  Lotus nevadensis var. nevadensis P. A. Munz, I. M. Johnston 1924-7-28 8797 Riverside Pine Flats 1738 Comment
  UCR4765  Lotus oblongifolius Frank C. Vasek 1964-7-25 640725- 04 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  JEPS55548  Lotus oblongifolius var. oblongifolius Carl V. Meyer 1928-7-24 516 Riverside Falls Creek Idyllwild 1889 Comment
  RSA498741  Lotus procumbens T. W. Minthorn, Freda Detmers s.n. Riverside Road to Palm Spring and Banning Comment
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Oct 1 2011
  RSA653549  Lotus salsuginosus var. salsuginosus Scott D. White 1999-5-24 7402 (unic.) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  SEINET10688352  Lotus scoparius subsp. brevialatus Salvato 2004-5-27 SALVATO 622 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. Upper canyon, pine woodland. 1402 Comment
  RSA406904  Lotus scoparius var. brevialatus Robert Gustafson 1980-5-5 1571 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  UC729973  Lotus scoparius var. brevialatus Carl B. Wolf 1932-5-25 Riverside 0.25 mi sw Summit of Moreno Grade (sw of Beaumont, Bad lands); Bad Lands 670 Comment
  CLARK-A1528-1165  Lotus strigosus Cameron Duncan 1966-3-27 Riverside Riverside 914 Comment
  CLARK-A1528-2808  Lotus strigosus John C. Roos 1954-5-15 6120 Riverside Reche Canyon 731 Comment
  RSA583368  Lotus strigosus Steve Boyd, Darin Banks 1995-4-5 8430 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA715759  Lotus strigosus A. C. Sanders 2005-4-22 29602 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR187510  Lotus strigosus Scott D. White 1995-8-23 3584 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
  POM49155  Lotus strigosus var. hirtellus P. A. Munz 1924-5-18 8134 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA524481  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4045 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA704549  Lotus tomentellus LeRoy Gross 2005-3-3 1572 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA234063  Lotus unifoliolatus R. F. Thorne, E. Lathrop 1969-5-19 37965 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  CLARK-A1045-401  Ludwigia peploides George K. Helmkamp 1979-5-15 Riverside Jurupa ""at S.A. Picnic Area""; ; Fontana 7.5' Q 243 Comment
  RSA33513  Lupinus arizonicus N. C. Cooper 1944-4-8 1078 Riverside Andreas Canyon. 305 Comment
  RSA581752  Lupinus arizonicus Michael Wall, Lorrae Fuentes 1995-4-13 101 Riverside Coachella Valley, east of Desert Hot Springs along dirt road paralleling Dillon road, 16.7 miles east of Hwy 62 where hills are closest to the road. Comment
  UCR2956  Lupinus arizonicus D. L. Flaherty 1963-3-21 113 Riverside Sonoran Desert, Coachella Valley, 1000 yards west of the intersection of Hwy 74 and Bursera Way in Palm Desert. 128 Comment
  RSA776213  Lupinus bicolor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 865 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  SBBG35127  Lupinus bicolor T. L. Secrest 1948-4-10 Riverside near Sage Comment
  UC1183611  Lupinus bicolor Dave Dunn 1941-3-30 989 Riverside 3 mi e Banning; e of Banning Comment
  UCR49221  Lupinus bicolor subsp. microphyllus Steve Boyd 1986-4-2 1599 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA771626  Lupinus concinnus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4996 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 732 Comment
  UCR153670  Lupinus concinnus Scott D. White 1999-5-24 7388 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR87659  Lupinus concinnus A. C. Sanders 1994-5-29 14565 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  LA205085  Lupinus excubitus L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  RSA773662  Lupinus excubitus Duncan S. Bell, Joy D. England 2010-5-20 1025 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  RSA0030876  Lupinus excubitus subsp. austromontanus Norman C. Cooper 1944-6-17 1421 Riverside San Jacinto Mtns. above Banning. 1067 Comment
  JOTR34273  Lupinus excubitus var. austromontanus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3289 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
  RSA87193  Lupinus excubitus var. austromontanus F. W. Peirson 1938-5-30 12411 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  UCR78450  Lupinus excubitus var. hallii Scott D. White 1993-4-22 1246 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  RSA430395  Lupinus formosus M. L. Conrad, David B. Dunn, LeDoux 1973-6-15 292 Riverside 5.9 miles SE of Jct. of Idlewild Road and Hwy 74 on 74. 1220 Comment
  RSA524233  Lupinus hirsutissimus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4027 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA644186  Lupinus hirsutissimus Scott D. White 1995-8-23 3583 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  RSA757627  Lupinus hirsutissimus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4327 Riverside 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
  SDSU13340  Lupinus hirsutissimus C. Matt Guilliams 2000-4-29 9 Riverside Santa Margarita Ecological Reserve, 'Insect Trail'. 1.5 miles NE of Gavalin Mtn. 305 Comment
  LA205136  Lupinus latifolius var. parishii C. B. Wolf; 1936-6-17 7954 Riverside Santa Ana Mountains, along Ortega Hwy, San Juan Canyon 2.6 mi. E of Orange County Line 457 Comment
  UC15837  Lupinus latifolius var. parishii H. M. Hall July, 1901 2554 Riverside Fuller's Mills Mountains , Fuller`s Mills Mountains (San Jacinto Mountains) 2286 Comment
  UC15840  Lupinus latifolius var. parishii Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SEINET13198368 Image available Lupinus microcarpus A. G. Vestal 1947-3-29 s.n. Riverside Comment
  JEPS85700  Lupinus microcarpus var. densiflorus W. L. Jepson 1939-4-19 19211 Riverside 3 mi s Aguanga; s of Aguanga 731 Comment
  RSA678287  Lupinus microcarpus var. densiflorus Michael Wall 2003-5-11 313 Riverside Vacant lot off Ramona Expressway between Donna Ave. and Seventh St. adajacent to Soboba Health Clinic. (currently for sale and development). 506 Comment
  RSA676293  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SD6074  Lupinus sparsiflorus unknown Riverside Palm Springs Comment
  UCR116789  Lupinus sparsiflorus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24157 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  SEINET12154199  Lupinus sparsiflorus J. F. Bright, Wyman, C. 1933-1 8079 Riverside nr Radio Comment
  POM12769  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz, D. D. Keck 1922-4-13 4943 Riverside Eagle Mountains. 244 Comment
  RSA528095  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White 1991-4-10 91 -62 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road 518 Comment
  RSA80963  Lupinus sparsiflorus subsp. sparsiflorus G. R. Campbell 1952-4-6 18412 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 976 Comment
  UCR16260  Lupinus succulentus Shirley Hill 1963-4-24 630424- 5 Riverside 4 mi east of Sunymead on Hwy 60-70, in parking area of fruit stand 550 Comment
  RSA414399  Lupinus truncatus Christopher Davidson, Robert Gustafson 1977-4-7 5581 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
  RSA414401  Lupinus truncatus M. V. Hood 1945-3-25 s.n. Riverside Colorado Desert, Highway 71 near Aguanga 588 Comment
  RSA450467  Lupinus truncatus J. C. Roos 1966-4-5 s.n. Riverside Winchester. Comment
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Mar 20 2011
  UCR156095  Lupinus truncatus T. B. Salvato, Kent Beaman 2005-5-16 811 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
  UCR241650  Lupinus truncatus T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 360 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA776287  Lycium andersonii Duncan S. Bell 2010-3-20 627 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UC73599  Lycium andersonii M. F. Gilman 1901-1 29 Riverside Banning Comment
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Mar 13 2011
  UC667319  Lycium cooperi Annie M. Alexander and Louise Kellogg 1941-5-23 2226 Riverside near Cottonwood Spring; Colorado Desert, Eagle Mountains 883 Comment
  RSA612131  Lythrum californicum Louis C. Wheeler 1932-7-9 936 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA678927  Lythrum hyssopifolia Scott D. White, Michael Honer 2003-6-3 9470 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR116479  Lythrum hyssopifolia A. C. Sanders, T. B. Salvato 2001-5-25 24379 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR232792  Lythrum hyssopifolia John F. Green 2008-4-16 0408- 52 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  RSA234065  Lythrum hyssopifolia Robert F. Thorne 1969-5-19 37959 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 625 Comment
  POM48848  Machaeranthera asteroides Grout, S. Grout 1909-10-25 s.n. Riverside Riverside Comment
  UCR34935  Machaeranthera canescens subsp. ziegleri L. B. Ziegler 1968-9-15 335 Riverside Santa Rosa Mtns, Santa Rosa Peak 2470 Comment
  RSA479915  Mahonia dictyota Steve Boyd 1987-11-23 2095 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  UCR116673  Malacothamnus fasciculatus A. C. Sanders, Carolyn Washburn 2001-5-10 24240 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UC64038  Malacothamnus fasciculatus var. fasciculatus H. M. Hall 1897-7-29 765 Riverside El Toro Pk.; San Jacinto Mtns.; Santa Rosa Range 2438 Comment
  CAS-BOT-BC345284  Malacothrix californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  POM122196  Malacothrix californica Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild, San Jacinto Mountains Comment
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Sep 16 2011
  RSA561807  Malacothrix clevelandii Steve Boyd 1992-4-14 6837 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  SD8989  Malacothrix coulteri Daniel Cleveland 1882-4-24 Riverside San Jacinto Plains. Comment
  POM14298  Malacothrix glabrata P. A. Munz, D. D. Keck 1922-4-9 4817 Riverside Southern base of Eagle Mountains, 3 miles northeast of the 'Hayfields' 213 Comment
  POM362316  Malacothrix glabrata Martha Hilend 1928-3-25 141 Riverside Colorado Desert, about 6 miles west of Indio Comment
  CAS-BOT-BC348025  Malacothrix stebbinsii Carl B. Wolf 1941-4-28 10092 Riverside Mojave Desert. S. base of Old Dad-Granite Mt. Range. Mouth of Willow Spring Canyon 1219 Comment
  RSA335011  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
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Feb 26 2013
  RSA675798  Malvella leprosa Scott D. White 2001-7-9 8721 Riverside Menifee: 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  UCR110371  Malvella leprosa A. C. Sanders, Mitch Provance 1999-9-26 23122 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR182522  Malvella leprosa Mitch Provance 2005-5-17 6561 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  SEINET224171  Mammillaria dioica Lyman Benson 1952-1 Riverside Comment
  RSA125207  Mammillaria tetrancistra E. K. Balls, Percy C. Everett 1957-8-20 22672 Riverside 14.7 mi. SW and W along State Hwy. 74 from Palm Village (jct. with State Hwy 111) 1127 Comment
  RSA441213  Marah macrocarpa M. V. Hood 1945-3-26 s.n. Riverside Aguanga. 610 Comment
  UCR120939  Marah macrocarpa A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24954 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  CLARK-A1703-1199  Marina orcuttii Robin L. Kobaly 1977-3-31 Riverside Santa Rosa Mountains 1402 Comment
  RSA0123706  Marina orcuttii Duncan S. Bell, Thomas Stoughton 2016-4-13 9240 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1424 Comment
  CAS-BOT-BC218947  Marina parryi Lilly H. Kruse 1954-1-18 s.n. Riverside Painted Canyon near Mecca Comment
  SD46420  Marina parryi P. C. Everett, E. K. Balls 1956-5-2 21554 Riverside 4.0 miles north from turn-off Highway 60/70, west of Desert Center, on road to Eagle Mountain Pumping Station. 305 Comment
  UCR148309  Marina parryi John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR162979  Marina parryi James C. Dice, K. Nicol 1998-3-24 980324 -1D Riverside NW Colorado Desert, 9 miles (14.4 km) N of Desert Center, along State Hwy 177 163 Comment
  CLARK-A1528-572  Marrubium vulgare Ken F. Clarke 1971-8-11 Riverside Box Springs Mountain Comment
  UCD124982  Marrubium vulgare Robert J. Weatherby 1949-5-21 492 Riverside Radec near Hemet. 609 Comment
  UCR274806  Marrubium vulgare David Fraker, Aaron C. Sedgwick 2012-3-27 049 Riverside Central Mojave Desert, Copper City Road [c. 1 mi south of its junction with Coolgardie Road], Coolgardie Mesa 1189 Comment
  RSA562439  Marrubium vulgare Steve Boyd, T. S. Ross 1992-5-6 7265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Verdugo Potero, near the Verdugo Trailhead. 732 Comment
  UCR26314  Marsilea vestita John C. Roos 1937-4-10 2072 Riverside Lake Elsinore 366 Comment
  POM305374  Matricaria matricarioides Henry J. Ramsey, Henry J. Ramsey 1938-3-26 644 Riverside Temecula. Comment
  UCR127563  Matricaria matricarioides A. C. Sanders, T. B. Salvato 2003-5-21 26794 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
  RSA667003  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 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
  RSA793925  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UCR116900  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR230200  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  RSA543900  Meconella denticulata Steve Boyd 1991-5-20 6269 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  UCR85085  Medicago lupulina A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16028 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCR139035  Medicago polymorpha D. L. Banks, V. W. Steinmann 1997-3-13 1437 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
  POM348037  Medicago polymorpha E. Crow 1929-4-7 313 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  UCD107933  Medicago sativa P. B. Kennedy 1921-11-1 s.n. Riverside Mecca. Comment
  RSA652934  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
  UC1929590  Melia azedarach Steve Boyd 2007-4-20 11723 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
  CAS-BOT-BC271198  Melica A. C. Sanders; T. B. Salvato; Matthew Malle 2010-4-7 37800 Riverside Southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of interesection of I-15 and Lake St., Peninsular Range 525 Comment
  RSA781201  Melica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37800 Riverside 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
  SDSU17522  Melica frutescens Jerry Jenkins 2001 -035 Riverside Santa Margarita Ecological Reserve. West shore of S.M. river, on granite bluffs. UTM zone 6, 481900E, 3699850N. UTM transfered to GIS. 165 Comment
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Aug 11 2017
  UCR112402  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 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
  JEPS76204  Melica imperfecta W. L. Jepson 1939-4-17 19129 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  JOTR35131  Melica imperfecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3243 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  RSA403499  Melica imperfecta Robert Gustafson 1980-5-5 1577 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  RSA599111  Melica imperfecta V. W. Steinmann 1996-4-13 831 Riverside East of Route 15, summit of hill (1577 ft) east of Temescal Canyon road at a point 0.2km NW of the jct. with Indian Truck Trail 500 Comment
  RSA702261  Melica imperfecta Steve Boyd, Aydee Virgen 2004-4-13 10852 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC1931139  Melica imperfecta Scott D. White, Justin Wood 2008-6-19 12274 Riverside San Jacinto Mountains: Meadows at Baldy Mountain. (Idyllwild) Comment
  UCR84642  Melica imperfecta Scott D. White, S. Ogg 1994-4-21 1982 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA509551  Melilotus indicus Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  UCR4131  Melilotus indicus Ronald M. Cope 1965-3-29 s.n. Riverside Riverside, c. 0.25 mi. south of where Gage Canal crosses Le Conte Drive on dirt road that goes along top of canal. 274 Comment
  RSA621507  Mentha suaveolens D. L. Banks 1997-11-15 2194 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UC56213  Mentzelia affinis H. M. Hall Apr. 1903 3829 Riverside vicinity Riverside; Southern California 365 Comment
  POM9534  Mentzelia affinis P. A. Munz, R. D. Harwood 1920-3-20 3370 Riverside 5 miles S of Corona 305 Comment
  JOTR34485  Mentzelia albicaulis Andre, Jim 2012-4-16 20969 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UCR267889  Mentzelia albicaulis Jim Andre 2013-3-4 23862 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA69585  Mentzelia involucrata F. W. Peirson 1933-4-13 10637 Riverside Road from Deep Canyon to Idyllwild. 610 Comment
  UC1007184  Mentzelia involucrata Philip A. Munz 1940-3-24 15694 Riverside 3 mi s Cottonwood Springs; Eagle Mts. 457 Comment
  UCR244306  Mentzelia involucrata Jim Andre 2012-4-16 20886 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  RSA0038374  Mentzelia involucrata A. Lee Haines 1973-3-24 s.n. Riverside Orocopia Mountains. 457 Comment
  POM160080  Mentzelia involucrata var. megalantha E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  RSA457790  Mentzelia involucrata var. megalantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2208 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR21146  Mentzelia jonesii Don Emery 1980-3-20 s.n. Riverside Sonoran (Colorado) Desert, NE end of Orocopia Mtns, SW of Chiriaco Summit 534 Comment
  SD114170  Mentzelia laevicaulis Darley F. Howe 1947-6-20 1650 Riverside Near Beaumont. Comment
  UCR92259  Mentzelia laevicaulis Scott D. White 1995-8-23 3573 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
  UC162622  Mentzelia micrantha H. M. Hall 1899-6-1 1219 Riverside Temecula Creek Comment
  JEPS41203  Mentzelia obscura E. E. Schellenger April 1920 Riverside near Coachella; Colorado Desert Comment
  UC1929951  Mentzelia veatchiana Scott D. White, Justin Wood 2008-6-16 12133 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCR27140  Mentzelia veatchiana T. P. Krantz, K. Berg 1982-5-26 s.n. Riverside San Jacinto Mtns., along Bonita Vista Road, north of Garner Valley Comment
  RSA585784  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0397 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  RSA543933  Microseris douglasii subsp. douglasii Steve Boyd, David E. Bramlet 1991-5-13 6233 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA496365  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3039 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 549 Comment
  RSA543908  Microseris heterocarpa Steve Boyd, Orlando Mistretta 1991-5-22 6283 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR225447  Microseris heterocarpa A. C. Sanders 2011-3-29 38837 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  RSA586873  Microseris lindleyi D. L. Banks, S. D. Boyd 1995-5-3 0292 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR165917  Microseris lindleyi T. B. Salvato, John F. Green 2004-5-27 556 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR281579  Microseris lindleyi Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 117 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  UCR34957  Microseris lindleyi L. B. Ziegler 1969-5-8 354 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  RSA586766  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-5-17 464 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. 659 Comment
  RSA271860  Mimulus aurantiacus var. pubescens C. W. Tilforth 1978-4-30 1566 Riverside Low rounded hills east of Norco. Comment
  POM305415  Mimulus aurantiacus var. puniceus Henry J. Ramsey, Henry J. Ramsey 1938-5-4 638 Riverside Elsinore Comment
  UCR35246  Mimulus brevipes L. B. Ziegler 1967-5-18 127 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  UCR72436  Mimulus breweri Steve Morgan, H. M. Soldan 1992-5-23 92- 01 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, about 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), 0.2 mi south of Santa Rosa Camp [not Santa Rosa Spring, which is about 0.5 mi further south of 7S02] 2256 Comment
  RSA220987  Mimulus clevelandii E. W. Lathrop 1966-5-29 6390 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA587175  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-6-2 559 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  UCR90353  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-5-17 460 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, east of the Dripping Springs Alcove area, west of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 659 Comment
  RSA612169  Mimulus floribundus Louis C. Wheeler 1932-7-9 930 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR26638  Mimulus fremontii var. fremontii E. W. Lathrop 1966-5-29 6375 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  HSC86249  Mimulus guttatus Jane Hildreth 1981-6-4 27 Riverside San Jacinto Mtns., San Bernardino National Forest, Bay Tree Springs along Hwy. 243, 12 mi. S of Banning 1646 Comment
  UC56259  Mimulus guttatus H. M. Hall 1902-4-23 2957 Riverside vicinity Riverside; Santa Ana River 228 Comment
  CAS-BOT-BC9643  Mimulus palmeri Victor Duran 1932-5-18 3220 Riverside Idyllwild, San Jacinto Mountains 1676 Comment
  JEPS89119  Mimulus palmeri Victor Duran 1932-5-18 Riverside Idyllwild; San Jacinto Mountains 1676 Comment
  UC26854  Mimulus palmeri Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR21551  Mimulus palmeri W. W. Mayhew 1980-5-29 s.n. Riverside Santa Rosa Mtns, 2 mi south of Hwy 74 along the road to Santa Rosa Peak 1646 Comment
  RSA192071  Mimulus pilosus E. W. Lathrop 1960-5-27 5211 Riverside 6 miles west of Murrieta. Comment
  RSA296184  Mimulus pilosus Barry A. Prigge 1980-8-5 3822 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCR275946  Mimulus pilosus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3787 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  SEINET212653  Mirabilis bigelovii var. retrorsa L. C. Higgins 1974-4-12 8480 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  CLARK-A1528-3278  Mirabilis californica John C. Roos 1966-4-23 Riverside Comment
  CAS-BOT-BC434681  Mirabilis laevis var. crassifolia G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  RSA614675  Mirabilis laevis var. crassifolia Scott D. White 1993-3-12 1163 Riverside Near Winchester. Comment
  SD119893  Mirabilis laevis var. crassifolia Louis B. Ziegler 1978-3-28 580 Riverside San Jacinto Valley. 456 Comment
  UC279685  Mirabilis laevis var. villosa Edmund C. Jaeger 1926-2-28 Riverside hills near Salt Creek Wash Comment
  UC219570  Mirabilis multiflora var. pubescens P. A. Munz 1922-6-24 5812 Riverside Pipe Creek; San Jacinto Mts, Hemet Valley 1463 Comment
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Mar 25 2011
  POM14596  Mohavea confertiflora Bradley 1922-4-10 7 Riverside Near Mecca. Comment
  RSA776136  Mohavea confertiflora Duncan S. Bell, Amanda Turek 2010-4-10 806 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCD124024  Mohavea confertiflora P. C. Everett; E. K. Balls 1958-4-29 23020 Riverside along U.S. Hwy 60/70, Indio to Blythe. 502 Comment
  UCSB6103  Mohavea confertiflora Bobkowski, Vincent 1960-4-2 Riverside Cottonwood Spring entrance to Joshua Tree National Monument; off of U.S. 60-70; 1/2 mile north of intersection Comment
  CDA6773  Momordica balsamina G. D. Barbe 1973-10-19 1736 Riverside North side of Tampico Calle at Ramirez, La Quinta. 0 Comment
  UCD125041  Monardella australis Mitch Provance; Steve Boyd, Lauren Raz 1998-8-13 998 Riverside Desert Slopes of the San Bernardino Mountains: ca 1.5 miles east of Cushenberry Springs. 1402 Comment
  UCR112806  Monardella breweri subsp. lanceolata A. C. Sanders 1997-5-1 20620 Riverside Lake Skinner area, Rawson Canyon c. 1 mi. due west of summit of Black Mountain, along dirt road to Crown Valley 549 Comment
  RSA234082  Monardella lanceolata var. lanceolata Robert F. Thorne 1969-6-6 39328 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  CAS-BOT-BC215456  Monardella linoides subsp. linoides Lewis S. Rose 1935-12-23 35697 Riverside Above Deep Canyon, 22 mi. S. of Cathedral city, Colorado Desert, San Jacinto Mts. 1066 Comment
  UC1931123  Monardella linoides subsp. linoides Scott D. White, Justin Wood 2008-7-10 12457 Riverside San Jacinto mountains: Fobes spring (Palm View Peak) Comment
  JEPS63360  Monardella nana Carl V. Meyer 1928-7-26 530 Riverside between old Roach Sawmill and Deer Springs 2286 Comment
  LA96074  Monardella nana Elizabeth McClintock; 1940-6-30 22 Riverside Dark Canyon Camp, on the Banning-Idyllwild Road Comment
  RSA733978  Monardella nana Keith E. Hoffmaster 1937-7-5 821 Riverside San Jacinto Mountains, Pine Flat. Comment
  RSA750389  Monardella nana subsp. arida C. Epling 1941-6-5 s.n. Riverside 1.2 miles below Ribbonwood. Pines to Palms Highway. Comment
  RSA768328  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 109 Riverside Trial to Deer Springs, beyond third spring which crosses trail. Comment
  SEINET2442172  Monardella nana subsp. arida Unknownnown 1941-6-29 79 Riverside Road up Santa Rosa Mt. 41/2 miles beyond canyon where stream crosses road. Comment
  POM46857  Monardella nana subsp. tenuiflora Mary F. Spencer 1924-6-25 2374 Riverside Burntlands, north side of San Jacinto Mtns. Comment
  RSA750290  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 98 Riverside Black Mt. 0.1 mile beyond turn off from Banning-Idyllwild road. Comment
  RSA750298  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 107 Riverside San Jacinto Mountains. Trail to Deer Springs, a short distance below first spring which crosses trail. Comment
  UCR23122  Monardella nana subsp. tenuiflora Jeanine Derby 1978-6-9 s.n. Riverside San Jacinto Mtns, SE of Lake Fulmor parking lot. Comment
  CLARK-A1656-648  Monoptilon bellioides Milton Walker 1978-3-21 Riverside Mecca 269 Comment
  RSA696851  Monoptilon bellioides J. R. Bruff 1927-3-12 s.n. Riverside 3 mi. S of Garmet; 8 Palms Comment
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Nov 3 2011
  SBBG60710  Monoptilon bellioides Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  RSA65658  Montia fontana F. W. Peirson 1922-5-20 s.n. Riverside Hemet Valley. (San Jacinto Mountains) 1402 Comment
  SDSU12853  Muhlenbergia microsperma Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998F Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S.W. on road to switchback, northwest of bend in road. 262 Comment
  CLARK-A1528-4762  Muhlenbergia richardsonis Alfred R. Roos 1937-8-19 10679 Riverside San Jacinto Mountains Comment
  CLARK-A1528-4763  Muhlenbergia rigens John C. Roos 1947-11-1 Riverside Eagle Mountain Comment
  UCD87108  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mts. Creek bed adjoining Herkey Creek Camp. 1341 Comment
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May 1 2011
  POM11434  Muilla maritima Philip A. Munz 1922-6-27 5861 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  RSA527847  Muilla maritima Scott D. White 1991-5-13 91 -116 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  POM11832  Myosurus minimus subsp. apus P. A. Munz 1922-4-29 5061 Riverside 3 miles south of Elsinore 381 Comment
  UC407024  Nama Roxana S. Ferris 1928-4-22 7188 Riverside near Ripley s Blythe (Colorado River bottom); Colorado River bottom nr Ripley, s of Blythe Comment
  RSA421096  Nama demissa N. R. Zabriskie, W. M. Zabriskie 1973-4-25 644 Riverside W-central portion Sec 30. Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. Site 22. 915 Comment
  UCSB33603  Nama demissa Simmons, Karen 1979-3-25 Riverside Just south of Cottonwood Springs; 30.5 mi. south of White Tank Campground; on Pinto Basin Road; Joshua Tree National Monument 152 Comment
  POM98949  Nama demissa E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  POM14101  Nama hispida var. revoluta P. A. Munz, D. D. Keck 1922-4-13 4931 Riverside Hayfields, Chuckwalla Valley 152 Comment
  SD27988  Nama hispida var. spathulata Carl B. Wolf 1932-4-28 3082 Riverside Chuckwalla Valley, 19 miles west of Blythe on the Mecca Road. 399 Comment
  RSA752114  Nassella cernua Scott D. White, Justin M. Wood 2009-5-21 12838 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UC149780  Nassella cernua H. M. Hall 1902-4-26 2977 Riverside Box Springs Mt. vicinity of Riverside 685 Comment
  RSA496363  Nassella pulchra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3037 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA741012  Nasturtium officinale Scott D. White, Justin M. Wood 2008-6-18 12229 Riverside K Flat Meadow. 1433 Comment
  RSA449970  Navarretia atractyloides J. C. Roos 1952-5-26 5724 Riverside Haas' ranch, Reche Canyon. 457 Comment
  RSA674968  Navarretia atractyloides Scott D. White, Teresa Salvato 2001-6-8 8578 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR133677  Navarretia atractyloides 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
  RSA504539  Navarretia hamata Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro. Comment
  UCR228736  Navarretia intertexta Jeremiah George 2011-8-8 s.n. Riverside Peninsular Range, north of Lake Elsinore and south of Nichols Rd. 395 Comment
  CAS-BOT-BC233576  Navarretia prostrata Robert F. Thorne; Earl Lathrop 1969-5-12 37929 Riverside Santa Rosa Plateau: S end of Mesa de Colorado, Rancho California 624 Comment
  POM122127  Nemacaulis denudata var. denudata S. B. Parish 1906-5-1 s.n. Riverside Palm Springs. Comment
  UCSC001316  Nemacladus longiflorus Peter Kamb 1947-6-7 567 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  SEINET10840560  Nemacladus longiflorus Samuel B. Parish Parish 1628 Riverside San Jaciento Mountains Comment
  RSA0126315  Nemacladus longiflorus var. longiflorus Charlotte M. Wilder 1905-05 s.n. Riverside Wilders Canyon, Riverside. Comment
  UCR71844  Nemacladus orientalis George K. Helmkamp 1992-4-16 92- 06 Riverside Western Colorado Desert, Coachella Valley, Mission Creek, 0.4 mi. south of Indian Avenue, on old Hwy 62 500 Comment
  RSA586115  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-4-5 0155 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, W of the Dripping Springs Trail. 503 Comment
  UC130503  Nemacladus ramosissimus Mrs. C. M. Wilder 1909-7-15 967 Riverside Hemet Dam; San Jacinto Mts. Comment
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Mar 25 2011
  UCR25922  Nemacladus ramosissimus John C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  SEINET10461076  Nemacladus ramosissimus Rimo Bacigalupi, Guy T. Robbins 1954-5-16 Bacigalupi 4464 Riverside St. John's Grade, State Highway 79, 11 miles south of Hemet, at junction of road to Red Mountain 792 Comment
  SEINET4853073  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mountain, Colorado Desert. 150 Comment
  POM3489  Nemophila menziesii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  UCSB46709  Nemophila menziesii James, Susanne 1977-4-7 Riverside South of Lake Matthews; southern Riverside Co., CA 457 Comment
  RSA699016  Nicotiana attenuata J. R. Bruff 1934-6-19 548 Riverside San Jacinto Mountains. Comment
  UCR35267  Nicotiana attenuata L. B. Ziegler 1973-8-15 517 Riverside Peninsular Range; San Jacinto Mtns., Hemet (Garner) Valley 1402 Comment
  RSA426680  Nicotiana bigelovii var. wallacei Jeannette B. Edge 1934-3-25 18929 Riverside Jurupa Mountains. Comment
  UCR107769  Nicotiana glauca D. L. Banks, E. H. Banks, Dawn Rodriguez, E. Rodriguez 1997-6-20 2168 Riverside NW Palomar Mtns., Agua Tibia Mountains, west of Vail Lake at the intersection of Pauba Road and Los Caballos Road 372 Comment
  RSA777417  Nicotiana obtusifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 782 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UC26173  Nicotiana obtusifolia S. B. Parish Apr 4 1896-Apr 13 1896 4133 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of San Jacinto Mt.) 152 Comment
  UCD126754  Nicotiana obtusifolia H. S. Yates 1936-4-7 5448 Riverside 8 miles north of Mecca. 457 Comment
  UCR139387  Nicotiana obtusifolia P. A. Munz 1949-4-13 13059 Riverside Sonoran (Colorado) Desert, above Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  UCR199831  Nicotiana obtusifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11277 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCSB33605  Nicotiana obtusifolia Simmons, Karen 1979-3-25 Riverside Box Canyon Road, 10 miles south-west of Hwy 10 30 Comment
  UC444985  Nicotiana quadrivalvis Lottie M. Wilder 1903-4-23 93 Riverside Wilder's Comment
  SD9402  Notholaena californica subsp. californica C. C. Parry Mar 1876 Riverside San Jacinto Mountain Comment
  UC63697  Oenanthe sarmentosa W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River, Spring Brook 259 Comment
  RSA614421  Oenothera californica subsp. californica D. L. Banks 1997-3-29 1554 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  OBI26117  Oenothera deltoides David J. Keil 1976-12-12 11918 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  SD39503  Oenothera deltoides Edith A. Purer 1935-4-21 6490 Riverside Colorado Desert, near Palm Springs. Comment
  RSA146019  Oenothera deltoides subsp. deltoides William M. Klein, David P. Gregory 1958-2-14 147 Riverside Along U.S. hwy 60-70 on Palo Verde Mesa, west of Blythe. Comment
  UC1186574  Oenothera deltoides subsp. deltoides J. W. MacSwain and R. W. Thorp 1959-3-7 59 -47 Riverside 2 mi w Hopkins Well Comment
  UC635277  Oenothera deltoides subsp. deltoides Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  POM226796  Oenothera elata subsp. hirsutissima P. A. Munz 1934-9-30 13238 Riverside Foot of Mt. Roubidoux, Riverside. Comment
  RSA784232  Oenothera leptocarpa J. D. Olmsted 1962-5-1 424 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
  RSA144622  Oenothera primiveris subsp. bufonis William M. Klein, David P. Gregory 1958-2-14 146 Riverside Along U.S. hwy 60-70 on Palo Verde Mesa, west of Blythe. Comment
  UCR166720  Oligomeris linifolia Scott D. White, Jennifer H. Jones 2005-4-12 10866 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  POM14222  Olneya tesota Philip A. Munz, D. D. Keck 1922-4-9 4920 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  SEINET241485  Oncosiphon piluliferum A. C. Sanders, Mitch Provance 2001-5-8 24210 Riverside Perris-Aguanga region: Moreno Valley, along I-215 just S of March Field Museum, 0.7 mi. S of Van Buren Blvd. 465 Comment
  UCR241846  Oncosiphon piluliferum A. C. Sanders 2013-4-17 40806 Riverside Peninsular Range; Eastern Foot of Gavilan Hills, Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km NE of Wasson Canyon Rd. intersection 499 Comment
  RSA0031145  Opuntia basilaris Marc Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside Chuckwalla Mountains, north side of Corn Springs Wash, 1.1km ESE of Corn Spring, 12.2km SE of Desert Center, 70 km west of Blythe. 478 Comment
  RSA784717  Opuntia basilaris Duncan S. Bell 2012-3-18 3204 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  POM311527  Opuntia basilaris var. basilaris Lyman Benson 1963-6-20 16348 Riverside Wash just north of Banning-Banning Canyon. 854 Comment
  JEPS11649  Orobanche cooperi Marjorie D. Clary 1932-3-23 1679 Riverside 8 mi sw of Coachella (Colorado Desert, Santa Rosa Mountains); Colorado Desert, Santa Rosa Mountains 152 Comment
  SBBG68733  Orobanche cooperi L. Rowntree 1930-5-8 Riverside Mecca Comment
  CAS-BOT-BC502789  Orobanche cooperi Elizabeth McClintock 1964-4-8 s.n. Riverside East of Indio Comment
  UCR101466  Orobanche fasciculata A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22237 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of lower Millard Canyon 854 Comment
  RSA0084145  Orobanche fasciculata G. Corwin, Ivan M. Johnston 1919-6-8 2896 Riverside San Bernardino Mountains. Box Springs. 1463 Comment
  RSA612695  Orthocarpus densiflorus var. gracilis D. L. Banks 1997-3-29 1603 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
  RSA28063  Orthocarpus purpurascens I. L. Wiggins 1941-3-27 9703 Riverside 4 mi. north of Whitewater. Comment
  RSA503432  Orthocarpus purpurascens var. pallidus J. D. Olmsted 1962-5-10 3656 Riverside Flats, W of crest between Sandia and Deluz Creeks laong Murrieta to Deluz Rd. 206 Comment
  SBBG122772  Osmadenia tenella A. Parikh 1990-4-26 157 Riverside S of Crown Valley, E of Rawson Cyn, 1.1 km SSW of jct of Crown Valley Rd and Rawson Rd 642 Comment
  CLARK-A1528-141  Osmorhiza brachypoda Ruth Cooper 1968-5-5 Riverside Santa Ana Mountains Comment
  RSA586151  Osmorhiza brachypoda D. L. Banks, S. D. Boyd 1995-3-30 113 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 719 Comment
  SD133205  Osmorhiza brachypoda Scott White 1991-5-13 91 105 Riverside Highway 79, west of United States Forest Service Campground at DrippingSprings. 550 Comment
  UCR50584  Oxalis californica B. G. Pitzer, E. Misquez 1988-2-28 0635 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  UC218234  Oxyria digyna P. A. Munz 1922-9-7 6406 Riverside shelter of rocks on n side summit of San Jacinto (summit of San Jacinto); San Jacinto Mts., summit of San Jacinto 3276 Comment
  UCR217535  Oxytheca caryophylloides Annie L. Bustamante 2008-6-23 113 Riverside Peninsular Ranges: San Jacinto Mtns, Dark Canyon, c. 300 m southwest of campground, 140 m south of dirt road Comment
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Feb 15 2017
  UCR139142  Oxytheca trilobata John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  CAS-BOT-BC121217  Paeonia californica Carl B. Wolf 1936-6-17 7955 Riverside Santa Ana Mtns, Teneja Road, 1.4 mi off Ortega Hwy, on road to La Cienaga 609 Comment
  CAS-BOT-BC327918  Palafoxia arida Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC327938  Palafoxia arida L. A. Greata 1905-4-1 421 Riverside Coachella Comment
  RSA707591  Palafoxia arida Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 02 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  SBBG8642  Palafoxia arida H. and M. Dearing 1936-12-25 1889 Riverside Long Cyn, Colorado Desert Comment
  UCR148320  Palafoxia arida John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  POM320356  Palafoxia arida var. arida Virginia Morell 1969-3-29 4 Riverside Sand dunes 4 miles NE of Thousand Palms. 305 Comment
  POM363737  Palafoxia arida var. arida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC565486  Palafoxia arida var. arida H. L. Mason 1928-3-10 4189 Riverside Whitewater River Comment
  RSA92216  Palafoxia arida var. arida F. W. Peirson 1924-12-30 5426 Riverside Thousand Palms Canyon, Coachella Valley. 122 Comment
  RSA0020038  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6010 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  RSA516425  Papaver californicum Walter Wisura 1990-5-2 4432 Riverside Ortega Hwy, at lower switchbacks above Lake [Elsinore] . Comment
  SD67091  Papaver californicum E. Norland 1967-5-12 Riverside Temecula Canyon on Santa Margarita River, northwest of Rainbow. Comment
  UCR92768  Parietaria hespera var. californica F. M. Reed 1908-3-29 2297 Riverside W slope of Box Springs Mtns 518 Comment
  GMDRC5836  Parietaria hespera var. hespera J. M. Andre 2013-3-27 24815 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  POM183986  Parietaria hespera var. hespera Philip A. Munz 1932-3-14 12011 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  RSA0019320  Parkinsonia florida Jim Andre 2012-3-19 21342 Riverside Chuckwalla Valley. Along unnamed dirt road 0.3 mi N of Hwy 177, 5.7 mi NE of Jct with I-10 freeway. 157 Comment
  RSA0107430  Parkinsonia florida Duncan S. Bell 2009-8-15 422 Riverside West side of the Arica Mountains. 323 Comment
  UCSB2978  Parkinsonia microphylla Leeuwen, Henry 1957-4-13 Riverside next to U.S. 60 near juncture with Cal. 195 Comment
  RSA704041  Parosela spinosa J. Russell Bruff 1929-12-28 453 Riverside Dos Palmas Comment
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Apr 28 2011
  SDSU13606  Paspalum distichum W. Miller, C. Mosse 1972-8-9 Riverside Comment
  RSA0123297  Pectocarya heterocarpa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8982 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
  RSA678384  Pectocarya heterocarpa Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10449 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
  RSA775949  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 939 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  RSA691961  Pectocarya linearis Scott D. White, Michael Honer 2003-4-9 8990 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UCR149845  Pectocarya linearis Scott D. White, Michael Honer 2004-4-6 10053 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UCR172192  Pectocarya linearis John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  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
  UCR97704  Pectocarya linearis Scott D. White 1997-2-28 4726 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA0028398  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4978 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA614669  Pectocarya linearis subsp. ferocula Scott D. White 1997-2-28 4726 Riverside SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy. 457 Comment
  UCR167449  Pectocarya peninsularis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  CDA40690  Pectocarya platycarpa K. Frick 1962-3-14 s.n. Riverside South end of Hemet Valley. 0 Comment
  RSA779011  Pectocarya platycarpa Duncan S. Bell 2010-4-1 644 B Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  RSA795743  Pectocarya platycarpa J. Andre 2012-3-19 21314 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  SBBG81515  Pectocarya platycarpa S. A. Junak 1983-3-23 1621 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  JOTR29563  Pectocarya recurvata Andre, Jim, Tasha LaDoux 2006-4-11 6737 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  RSA501080  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3198 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA703418  Pectocarya recurvata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1430 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA709881  Pectocarya recurvata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4625 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  JOTR31086  Pectocarya setosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2348 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  JOTR34483  Pectocarya setosa Andre, Jim 2012-4-16 20966 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  IRVC3139  Pellaea andromedifolia R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  RSA747516  Pellaea andromedifolia Justin M. Wood 2009-3-10 344 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  UCR41326  Pellaea andromedifolia N. M. Fellows, A. C. Sanders 1985-4-9 152 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
  POM177874  Pellaea andromedifolia var. andromedifolia Marcus E. Jones 1930-3-5 26523 Riverside Glen Ivy Comment
  RSA686750  Pellaea andromedifolia var. andromedifolia Christopher Davidson 1977-5-25 5660 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  UCR215594  Pellaea mucronata var. californica Jim Andre, T. La Doux 2008-9-16 10703 Riverside Mojave Desert, Joshua Tree National Park, on the southeast end of Splitock Picnic Area 1290 Comment
  UCR9268  Pennisetum clandestinum O. F. Clarke 1969-11-10 s.n. Riverside University of California, Riverside Comment
  UC1463882  Penstemon californicus Jeanine Derby 1976-8-10 Riverside Garner Valley San Jacinto Mts., Garner Valley 1371 Comment
  RSA285587  Penstemon centranthifolius D. C. Michener 1980-6-11 3672 Riverside Bautista canyon 7.1 mi. above jct (end) of Lower BAutista Canyon Rd. (5S14) and short road to CA 74. Comment
  SEINET7072840  Penstemon centranthifolius A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  CAS-BOT-BC265280  Penstemon clevelandii Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains: ca 0.05 mile S on Santa Rosa Mountain Road from Highway 74 1402 Comment
  UCR133126  Penstemon clevelandii A. C. Sanders 1985-5-4 5776 Riverside Santa Rosa Mtns, Hwy 74 at Santa Rosa Mountain Rd. 1402 Comment
  RSA0006116  Penstemon clevelandii subsp. mohavensis M. French Gilman 1926-5-9 A 2 Riverside Keyes [Keys] Ranch, southern edge of Mohave Desert. Comment
  NY583963  Penstemon clevelandii var. connatus A. E. Wieslander 1938-5-15 737 Riverside Near Sugar Loaf Mountain. Forest: Thermal Quadran. 1219.2 Comment
  UCR24920  Penstemon grinnellii A. C. Sanders 1980-7-18 1648 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SD119896  Penstemon heterophyllus var. heterophyllus Louis B. Ziegler 1968-6-3 304 Riverside San Jacinto Mountains - Bautista Canyon, in wash of dry creek 762 Comment
  JEPS44390  Penstemon labrosus Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4269 1/2 Riverside e Toro Peak (Santa Rosa Mountains); , e of Toro Peak Comment
  NY650665  Penstemon rostriflorus F. W. Pennell 1940-4-28 25286 Riverside Route 74, Santa Rosa Indian Reservation 1402.1 Comment
  RSA0051800  Penstemon spectabilis Nancy Anderson 1955-5-21 s.n. Riverside Banning. 914 Comment
  HSC3889  Peritoma arborea var. angustata R. K. Brennan 1966-4-9 50 Riverside Yucca mesa, 5 mi. NW of Joshua Tree National Monument 762 Comment
Read comments
May 5 2014
  CAS-BOT-BC355978  Perityle emoryi H. M. Hall 1902-4-1 2793 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  CLARK-A1656-832  Perityle emoryi Jon Mark Stewart 1982-11-13 82-017 Riverside Indio Hills 198 Comment
  JEPS24878  Perityle emoryi Peter M. Ray 1949-3-6 1321 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  RSA480022  Perityle emoryi Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2153 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA554426  Perityle emoryi Theo Glenn 1991-5-24 91 -133 Riverside Palen Mtns, NE of Desert Center. 399 Comment
  RSA608393  Perityle emoryi L. S. Rose 1935-12-23 35687 Riverside Above Deep Canyon, San Jacinto Mts, 13 miles S of Cathedral City. 610 Comment
  RSA651715  Perityle emoryi Viki Cruz 1983-5-8 006 *k Riverside Collected on a slope in between some large rocks about three-quarter mile into Magnesia Canyon, Santa Rosa Mts. Comment
  RSA795745  Perityle emoryi J. Andre 2012-3-19 21309 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UCR103584  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR104801  Perityle emoryi George K. Helmkamp 1998-2-5 2648 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  JEPS41230  Petalonyx thurberi F. M. Reed 1917-5-19 3838 Riverside Mesa Sancta of Palm Springs village; Colorado Desert, Mesa Sancta Comment
  RSA0107431  Petalonyx thurberi Duncan S. Bell 2009-8-15 423 Riverside West side of the Arica Mountains. 323 Comment
  CAS-BOT-BC326774  Peucephyllum schottii John Thomas Howell 1927-8-1 2885 Riverside Morongo Canyon, north Colorado Desert 609 Comment
  CLARK-A1528-2028  Peucephyllum schottii John C. Roos 1966-2-5 Riverside Indio Hills Comment
  HSC101084  Peucephyllum schottii Jim Andre 2012-3-19 21392 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  POM46835  Peucephyllum schottii Mary F. Spencer 1920-3-29 1450 Riverside Cottonwood Springs Comment
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Feb 1 2012
  SD258888  Peucephyllum schottii Sarah J. De Groot, Thomas Stoughton 2016-2-18 7627 Riverside Mecca Hills; side canyon (east fork) of Painted Canyon. 181 Comment
  CAS-BOT-BC6766  Phaca arenicola Samuel Bonsal Parish 1913-2-28 8467 Riverside Mecca. Salton Basin -60 Comment
  POM305413  Phacelia ambigua Henry J. Ramsey, Henry J. Ramsey 1939-11-28 687 Riverside 10 miles east of Indio. Comment
  RSA102328  Phacelia campanularia S. B. Parish, W. F. Parish 1882-04 216 Riverside Borders of the Colorado Desert, Whitewater. Comment
  POM13320  Phacelia campanularia subsp. vasiformis E. C. Jaeger 1921-4-18 1084 Riverside Cottonwood Springs, colorado Desert. Comment
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Oct 9 2010
  CLARK-A1528-554  Phacelia cicutaria Fred B. Essig 1964-3-14 23 Riverside Arlington 670 Comment
  CHSC110681  Phacelia cicutaria var. hispida Dean Wm. Taylor 2003-5-7 18528 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  RSA777275  Phacelia cicutaria var. hispida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4746 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 W116.65121 604 Comment
  RSA776251  Phacelia crenulata Duncan S. Bell 2010-3-20 631 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SEINET2042416 Image available Phacelia crenulata B. Pitzer 1998-2-1 3442 Riverside Hayfield Spring Quad 7.5': Hayfield Dry Lake, alluvial fan on N side of lakebed, from paved road lakebed. 427 Comment
  UCR107225  Phacelia crenulata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2187 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR148050  Phacelia crenulata Steve Boyd, Et al. 2004-5-14 11248 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  JEPS2241  Phacelia crenulata var. ambigua Joseph Grinnell 1910-3-18 Riverside Riverside Mts. Riverside Mts. (e. Riverside Co.) Comment
  SD241052  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 8056 Riverside North edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport. 136 Comment
  JOTR32041  Phacelia cryptantha La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2271 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  CHSC99633  Phacelia distans LeRoy Gross; Leland Lubinsky, Victor Steinman, Linda Worlow 2005-2-17 1419 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of campground. Near 33 37' 32' N, 115 19' 35' W: UTM 3721895N, 655238E Elevation 1574 feet. to 33 36' 52' N, 115 19' 54': UTM 3720669N, 654757E. Elevation 1800 feet. General collecting along canyon bottoms and slopes. 479 Comment
  RSA0123357  Phacelia distans Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9047 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
  RSA192000  Phacelia distans E. W. Lathrop 1959-4-16 4467 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  UCR162408  Phacelia distans S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  SEINET12280101  Phacelia distans H. M. Hall 1902-1 2953 Riverside vicinity of Riverside, in the Sonoran Zone 366 Comment
  RSA0106452  Phacelia minor Daphne K. Christopher, Hannah Stevens 2003-4-4 87 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA151625  Phacelia minor R. C. Bacigalupi 1954-4-25 4397 Riverside First-year burn along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  RSA543757  Phacelia minor Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6057 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR121086  Phacelia minor A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24961 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR155324  Phacelia minor A. C. Sanders, Mike Misenhelter 2005-3-23 29256 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR90752  Phacelia minor Scott D. White 1995-4-5 2736 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCSB5417  Phacelia minor Nowell, J. 1958-5-17 Riverside 7 mi. from Banning on Banning-Idyllwild Road Comment
  RSA166307  Phacelia minutiflora J. R. Haller 1960-4-2 1545 Riverside South side of US 60-70, 5.8 miles E of Desert Center. 244 Comment
  RSA727867  Phacelia neglecta Naomi S. Fraga, Lisa Rojas 2005-2-10 1355 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA736854  Phacelia ramosissima Scott D. White, Angelia Carey 2004-7-2 10593 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SEINET3091923 Image available Phacelia ramosissima Scott White 1991-5-10 91 -130 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Comment
  UCR151063  Phacelia ramosissima var. latifolia Scott D. White 1998-6-17 6748 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  POM9581  Phacelia stellaris I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  RSA428072  Phacelia viscida N. C. Cooper 1949-6-29 4373 Riverside East side of San Jacinto Mountains. 457 Comment
  RSA741214  Phalaris aquatica Scott D. White, Justin M. Wood 2008-6-16 12107 Riverside Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR96878  Phalaris lemmonii Scott D. White 1993-4-30 1314 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA525330  Phalaris minor Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4461 Riverside Vail Lake area, Hwy R3 (Sage Rd) at jct. with Powerline Rd., N of Radec about 3 miles NE of Vail Lake Comment
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Feb 22 2013
  CDA2322  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley. West edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. Comment
  SD114076  Philadelphus microphyllus var. pumilus Darley F. Howe 1973-7-28 4885 Riverside Santa Rosa Mts. 2438 Comment
  PASA1945  Philibertia hirtella 1928-3-3 Riverside Hidden Springs Col. Desert Comment
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Aug 27 2016
  UCD102016  Phoradendron californicum Dennis Kucera 1987-11-14 s.n. Riverside Malki Museum garden, E of Banning off Fields Rd, Morongo Indian Reservation. 609 Comment
  UCR230782  Phoradendron densum A. C. Sanders, Nathan Moorhatch 2011-3-22 38780 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, 0.61 km east of Hwy 74, south of Ethanac Rd. 503 Comment
  CAS-BOT-BC135178  Phoradendron juniperinum Louis C. Wheeler 1931-10-3 243 Riverside 1 1/2 mi NW Tahquitz Peak, San Jacinto Mts. 1920 Comment
  POM161532  Phoradendron libocedri Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. Comment
  RSA575969  Phoradendron macrophyllum Steve D. Boyd 1981-1-9 s.n. Riverside Peninsular Range Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  UCR37483  Phoradendron macrophyllum Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  POM12141  Phoradendron villosum Mary F. Spencer 1921-6-13 s.n. Riverside Idyllwild 1616 Comment
  UCR91928  Phoradendron villosum George K. Helmkamp, E. A. Helmkamp 1995-11-16 1- 01 Riverside San Jacinto Mtns, Along Calif. Hwy 243, 0.25-0.50 mi south of Bay Tree Spring (about 0.9 mi north of Lake Fulmor) 1616 Comment
  RSA594133  Phyla nodiflora var. nodiflora D. L. Banks, Victor W. Steinmann 1996-4-20 899 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 524 Comment
  POM305653  Physalis crassifolia Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1013 Riverside Aguanga. Comment
  SBBG6614  Physalis crassifolia H. and M. Dearing 1940-1-1 4057 Riverside Painted Cyn, near Mecca Comment
  SEINET3078253 Image available Physalis crassifolia Barbara Gayle Pitzer 1998-1-24 3381 Riverside N foot of Chuckwalla Mtns, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR100880  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2692 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR41456  Physalis crassifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6134 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  UCD134596  Pinus flexilis Gordon Pilone 1961-1-14 80 Riverside Trail to Tahquitz Peak, San Jacinto Mountain Range. 2651 Comment
  SEINET10530738  Pinus flexilis David B. Dunn 1946-8-17 Dunn 2711 Riverside Found on N side of Laquitz Peak. San Jacinto Mts. 2675 Comment
  RSA0077533  Pinus lambertiana G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  CAS-BOT-BC79090  Pinus quadrifolia Lester Rowntree 1937-11-6 s.n. Riverside Santa Rosa Mt., W. side Comment
  CDA568  Pinus quadrifolia Ronald Somerby 1972-3-1 s.n. Riverside 0.25 mi N of the end of Kirby Rd, Anza. 0 Comment
  RSA588669  Piperia elongata Darin L. Banks, Steve Boyd 1995-10-26 825 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, N of the first grassland areas along trail. Approximately 0.8 miles from the Wilderness boundary. 720 Comment
  UCR273800  Piperia transversa Mitch Provance, Tom Thompson 2016-7-14 716- 25 Riverside San Jacinto Mountains, Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243 1601 Comment
  SD239486  Pistia stratiotes Dave Goodward 2010-10-6 Riverside Sonoran (Colorado) Desert: Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. (Oasis 7.5'Q). Commercial fish production pond. -35 Comment
  RSA612851  Pisum sativum D. L. Banks 1997-3-1 1365 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UCR41373  Pityrogramma triangularis var. triangularis N. M. Fellows 1985-1-5 55 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  RSA507506  Plagiobothrys canescens Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
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Mar 20 2011
  SEINET272339  Plagiobothrys canescens A. C. Sanders, G Helmkamp 1997-3-15 19927 Riverside Lake Skinner Area; hill E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 549 Comment
  UCR137477  Plagiobothrys canescens D. L. Banks 1997-3-16 1537 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UCR171894  Plagiobothrys collinus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  RSA614631  Plagiobothrys nothofulvus D. L. Banks 1997-3-29 1565 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
  SEINET7063023  Plagiobothrys nothofulvus A. G. Vestal 1962-3-29 s.n. Riverside Canyon south of Murrieta. Northeast side of the Santa Ana Mountains. UTM Zone 11, 483500mE, 3701101mN. (WGS84/NAD83). 256 Comment
  POM287591  Plagiobothrys tenellus Lyman Benson 1932-3-26 3175 Riverside Temecula Grade. Temecula Valley. 549 Comment
  SBBG133367  Plagiobothrys tenellus S. D. White, J. M. Wood 2008-5-15 12000 Riverside Johnson Meadow, San Jacinto Mtns 1415 Comment
  UC1536026  Plagiobothrys undulatus Robert F. Thorne 1973-5-23 45525 Riverside Santa Rosa Plateau Mesa de Colorado 609 Comment
  RSA750552  Plantago erecta Scott D. White, Justin M. Wood 2009-5-21 12876 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR256776  Plantago lanceolata T. B. Salvato, Matthew Malle 2013-5-20 7582 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA796014  Plantago ovata Duncan S. Bell 2009-4-18 248 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 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
  POM126310A  Plantago ovata var. fastigiata Thos. Craig 1927-4-2 29 Riverside Canyon near Hidden Springs. Comment
  RSA771697  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4694 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
  CHSC35880  Platanus racemosa James Henrickson 1972-5-21 7193 a Riverside Ca. 13 air mi. W. of Temecula in Matec Cyn. along Tenaja Rd. in flat area above steep falls along rd; ca. 4 mi. N. of Tenaja Campground. 457 Comment
  UCR112597  Platanus racemosa Mitch Provance 1998-2-17 61 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UC519884  Platystemon californicus Katherine Kinsel 1930-4-17 Riverside near Perris; near Perris Comment
  UCR213539  Platystemon californicus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37834 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  CLARK-A1045-75  Plectritis ciliosa subsp. insignis George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains 2 miles east of Mountain Center; grassy slope; Idyllwild 15'Q Comment
  RSA221093  Plectritis ciliosa subsp. insignis E. W. Lathrop 1966-4-27 6213 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  POM123019  Pleurocoronis pluriseta Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  SDSU18649  Pleurocoronis pluriseta Michael G. Simpson, Kristen Hasenstab 2008-4-1 2941 Riverside Joshua Tree National Park, east side of Mastodon Peak, ca. 0.65 mile east-southeast of Cottonwood Spring. 1027 Comment
  UCR103782  Pluchea odorata Scott D. White 1994-10-21 2504 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  RSA0117145  Pluchea sericea Mitchell Provance 2012-9-5 912 -12 Riverside Beaumont Plateau: City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  RSA472129  Pluchea sericea Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA651713  Pluchea sericea Viki Cruz 1983-5-8 007 *k Riverside Collected in a shallow stream three-quarter mile into Magnesia Canyon, Santa Rosa Mts. 441 Comment
  UC154813  Pluchea sericea Rensselaer J. Smith 331 Riverside Andreas canyon Andreas 457 Comment
  UC472884  Pluchea sericea M. F. Spencer 1918-3-28 Riverside Palm Canyon Colorado desert 125 Comment
  SEINET10888257  Poa scabrella Frank W. Gould 1943-4-18 Gould 2153 Riverside On grassy slopes 1mile west of Banning, in foothills of San Jacinto Mountains. Comment
  RSA524229  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4023 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC1930101  Poa secunda Scott D. White, Justin Wood 2008-6-16 12147 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCR92675  Poa secunda Scott D. White 1994-5-4 2014 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  CAS-BOT-BC242995  Poa secunda subsp. secunda Philip A. Munz 1940-3-22 15658 Riverside Whitewater Canyon, 2 miles N of Banning-Indio Road Comment
  JOTR34231  Poa secunda subsp. secunda La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3084 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Monzogranite boulder outcrop near base of Quail Mountain, between Lost Horse Valley and Juniper Flats; Edge of old burn area (Stop 1) Comment
  UCR84055  Polycarpon tetraphyllum A. C. Sanders, L. Ard 1994-7-11 15054 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  POM159502  Polygala acanthoclada E. C. Jaeger 1927-11-26 s.n. Riverside Eagle Mountains: 1 mile N of Cottonwood Spring Comment
  SD186302  Polygonum argyrocoleon A. C. Sanders 1992-3-21 12075 Riverside Sonoran Desert: Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -43 Comment
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Sep 30 2012
  SBBG61496  Polygonum douglasii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  RSA583360  Polypodium californicum Steve Boyd, Darin Banks 1995-4-5 8419 B Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR234429  Polypogon monspeliensis Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA104886  Populus fremontii H. de Forest 1925-4-17 s.n. Riverside Indio. Comment
  UC1511365  Porophyllum gracile James Eckenwalder 1976-10-25 1282 Riverside near Cottonwood Springs; Joshua Tree National Monument Comment
  RSA793473  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SD136945  Potamogeton foliosus subsp. foliosus Steve Boyd 1994-10-14 8387 Riverside San Mateo Canyon Wilderness Area of the Clevelanmd National Forest. San Mateo Canyon at the confluence with Bluewater Canyon 328 Comment
  UCR245068  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40408 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  UCSB50077  Prosopis glandulosa var. torreyana Millett, Barbara 1980-5-18 Riverside Com Springs Wash, off Corn Springs Road 7 miles southwest of its juction with Chuckwalla Road, Chuckwalla Mts. 457 Comment
  UC61550  Prosopis pubescens Miss Mary McKibben May 1904 Riverside Mecca -60 Comment
  UC63796  Prunella vulgaris var. lanceolata H. M. Hall 1897-6-17 652 Riverside vicinity Strawberry Valley (San Jacinto Mountains); , vicinity of Strawberry Valley 1615 Comment
  RSA356888  Prunus fremontii Robert F. Thorne 1966-10-15 41797 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  CLARK-A1528-3071  Prunus ilicifolia K. R. Montgomery 1969-9-9 Riverside Reed Valley Comment
  UCR155054  Prunus ilicifolia Jason L. Hlebakos 2005-5-30 818 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR214681  Prunus ilicifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37672 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 366 Comment
  CAS-BOT-BC356336  Psathyrotes ramosissima Mrs. Robert Campbell 1921-11-26 s.n. Riverside Between Palm Springs and Indian Wells Comment
  SBBG44957  Psathyrotes ramosissima E. Braunton 1940-4-3 2013 Riverside Berdoo Cyn, 20 mi E of Indio 304 Comment
  POM10054  Pseudognaphalium biolettii E. A. Zumbro 27 Riverside Blue Mts, Riverside County Comment
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Oct 26 2013
  UCR121824  Pseudognaphalium stramineum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24599 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR234435  Psilocarphus brevissimus Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR75318  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1993-5-12 14004 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
  UCR92372  Psilocarphus brevissimus var. brevissimus F. M. Reed 1933-9-20 8090 Riverside Perris-Aguanga Basin Region, mature plants from alkaline slough [along San Jacinto River] east of Bernasconi [=Lakeview] Hot Springs 396 Comment
  SJSU5521  Psilostrophe cooperi R. C. McGehee 1970-4-16 215 Riverside by road between Wileys Well & Nyland Comment
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Aug 30 2007
  CAS-BOT-BC346354  Psorothamnus Annie M. Alexander; Louise Kellogg 1941-5-22 2217 Riverside 1 1/2 mi. N. Cottonwood Spring, Eagle Mountains 975 Comment
  POM276882  Psorothamnus emoryi Lyman D. Benson 1933-3-31 4189 Riverside Salton Sea-Imperial Co. line. 61 Comment
  RSA403991  Psorothamnus emoryi F. A. Thackery 1928-4-24 3 a Riverside Edom. Comment
  UC68506  Psorothamnus emoryi H. M. Hall Apr. 1905 5949 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  RSA776384  Psorothamnus emoryi Amber Swanson 2011-4-8 371 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  POM128978  Psorothamnus schottii E. E. Schellenger 12 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  RSA303510  Psorothamnus schottii James R. Shevock 1971-5-8 1029 Riverside S Cottonwood Springs, Joshua Tree Natl Monument. 549 Comment
  RSA404250  Psorothamnus schottii N. C. Cooper 1949-4-8 3250 Riverside Palm Springs. 457 Comment
  SBBG3318  Psorothamnus schottii M. A. Piehl 1963-6-1 63532 Riverside St Hwy 74, 7.6 mi NE of Pinyon Flat cmpgrd (S of Palm Desert) 731 Comment
  SD73621  Psorothamnus schottii Helen V. Witham 1970-4-29 838 Riverside On Hyw. 74, 29.2 miles east of L. Hemet 600 Comment
  UCD108370  Psorothamnus schottii G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  RSA784975  Psorothamnus spinosus Duncan S. Bell 2012-3-18 3218 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UC729515  Pteridium aquilinum var. pubescens Carl B. Wolf 1932-5-25 3664 Riverside mouth of e fork of Snow Creek Canyon; n base San Jacinto Mts 670 Comment
  RSA586318  Pterostegia drymarioides D. L. Banks, S. D. Boyd 1995-5-3 229 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SBBG103856  Pterostegia drymarioides M. A. Patten 1992-5-7 92 -28 Riverside Via Vaquero at Via Oesta, ca. 5 km W of Temecula, Santa Rosa Plateau Comment
  RSA484521  Puccinellia nuttalliana Anstruther Davidson 1904-5-1 1102 Riverside Palm Springs. Comment
  UCSB49861  Pulicaria paludosa Clarke, O. 1972-9-17 Riverside Santa Ana river bottom Comment
  CAS-BOT-BC516759  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands: W of Beaumont, just E of jct of 60 Fwy and Jackrabbit Trail, off frontage road deadend 716 Comment
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Jan 17 2018
  RSA523508  Quercus agrifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3967 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  SD193296  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31561 Riverside Valley Hi County Park off Highway 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  UCR158894  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31561 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR158954  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31548 Riverside San Jacinto Mtns., east of Vandeventer Flat along Hwy 74, 0.8 mi. west of Santa Rosa Mtn. Rd. 1311 Comment
  SEINET3101943  Quercus berberidifolia Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17369 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  UCR209398  Quercus berberidifolia Fred M. Roberts, Robt. L. Allen 2007-6-22 6540 Riverside San Jacinto Mountains, Bau\tista Canyon, Bautista Canyon Road, 2.2 km northwest of Bautista Spring below Blackburn Ridge 726 Comment
  UCR264620  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 32 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCR282412  Quercus berberidifolia Mitch Provance 2009-7-1 709- 04 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  UCR97257  Quercus berberidifolia Scott D. White 1997-2-9 4683 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCD45547  Quercus chrysolepis E. W. Lathrop 1966-3-23 6112 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peakm Skyline Drive, Riverside Co. Elevation 4000'. 1219 Comment
  UCR162623  Quercus chrysolepis S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  RSA768123  Quercus dumosa E. W. Lathrop 1969-6-5 7093 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA0099445  Quercus engelmannii Duncan S. Bell 2014-11-14 7705 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  UC1135589  Quercus engelmannii R. St. John 1930-3-18 108 Riverside Lakeside Mountain Elsinore Quad. 731 Comment
  UCR281000  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617- 01 Riverside Temescal Valley, Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  SBBG58953  Quercus kelloggii J. E. Butner 1948-10-3 660 Riverside 1 mi above Fern Valley, end of rd Comment
  UC1135774  Quercus palmeri A. E. Wieslander 1938-5-5 735 Riverside Van Deventer Flat Thermal Quad. 1493 Comment
  UCD47107  Quercus palmeri Rudolph Fischer 1965-10-8 1 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of keen Camp, Riverside County, California. 1341 Comment
  UCR117248  Quercus palmeri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22291 Riverside San Jacinto Mtns., Santa Rosa Indian Reservation along Hwy 74, 4 mi. east of Hwy 371 junction to Anza 1378 Comment
  RSA750596  Quercus turbinella subsp. turbinella K. M. Meyer, A. Townesmith, T. Scott 2007-3-19 23 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinyon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  CAS-BOT-BC104995  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  RSA762184  Quercus wislizeni Peter Guiden, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 75 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC362519  Rafinesquia californica John Thomas Howell 1931-5-30 6592 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA653157  Rafinesquia californica Mitch Provance 1998-6-6 694 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just E of corner of 29th St. and Scenic Drive 305 Comment
  SEINET273103  Rafinesquia californica G. K. Helmkamp, A. C. Sanders 1997-3-15 1486 Riverside Skinner Lake 488 Comment
  UCR149843  Rafinesquia californica Scott D. White, Michael Honer 2004-4-6 10038 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  RSA28078  Rafinesquia neomexicana I. L. Wiggins 1941-3-27 9688 Riverside Desert wash 9 miles west of Desert Center. Comment
  SEINET197743  Rafinesquia neomexicana Evert I. Schlinger 1952-3-28 30 Riverside Whitewater. 152 Comment
  UCR241593  Rafinesquia neomexicana A. C. Sanders, Ann Howald 2013-2-28 40559 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UC9363  Ranunculus alismifolius var. alismellus H. M. Hall July, 1901 2405 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  RSA198932  Ranunculus aquatilis var. capillaceus Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37423 Riverside Santa Rosa Plateau: near roadside, Rancho California. Santa Ana Mountains 610 Comment
  RSA0030881  Ranunculus cymbalaria var. saximontanus Ira W. Clokey, E. G. Anderson 1935-8-21 6627 Riverside Hemet. 1030 Comment
  UCR265577  Ranunculus testiculatus Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 6 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  UCR114807  Rhamnus crocea Mitch Provance 1998-2-17 53 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  RSA612815  Rhamnus ilicifolia D. L. Banks 1997-3-1 1354 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
  UCR120923  Rhus aromatica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24925 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR136269  Rhus aromatica A. C. Sanders 2004-4-20 27544 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
  RSA403695  Rhus trilobata var. anisophylla Jack Rempel, Erwin Miller 1934-4-28 18727 Riverside Lost Horse 1296 Comment
  SD73468  Rhus trilobata var. pilosissima E. W. Lathrop 1969-6-6 7110 Riverside 8 miles west of Murrieta, on the Tenaja Truck Trail between Santa Rosa Road and Los Alamos Canyon Comment
  UCR23251  Ribes californicum var. hesperium John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  CHSC1656  Ribes canthariforme V. Holt 1942-3-29 Riverside Keen Camp, Santa Rosa mountains. Comment
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Mar 22 2014
  RSA698893  Ribes cereum J. R. Bruff 1934-7-5 s.n. Riverside [San Jacinto Mts.] 2439 Comment
  UC858444  Ribes cereum P. A. Munz 1922-6-28 5878 Riverside ridge w Toro Peak; Santa Rosa Mts. 2407 Comment
  POM306650  Ribes indecorum Henry J. Ramsey, Mrs. Ramsey 1938-4-23 1505 Riverside Santa Rosa Mtns. Comment
  RSA543195  Ribes indecorum Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6115 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SEINET10923984  Ribes indecorum Greg Gust, Leith Nye 2005-3-12 Gust 553 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  UCR13744  Ribes indecorum N. R. Zabriskie, W. W. Zabriskie 1971-4-9 368 Riverside Santa Rosa Mtns, Deep Canyon south of Hwy 74, c. 2 mi up water service road, below crossing, N slope mtns. 1372 Comment
  UCR187493  Ribes indecorum Theresa Johnson 2006-5-15 108 Riverside Peninsular Range, hills just SE of Mica Butte, 5 miles SE of Hemet 579 Comment
  RSA476214  Ribes nevadense Gale Sphon 1955-5-21 s.n. Riverside Fullermill Creek. Comment
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Feb 22 2013
  UC218159  Ribes nevadense P. A. Munz 1922-9-6 6384 Riverside North Fork of Tahquitz Creek San Jacinto Mts. 2209 Comment
  UCR217508  Romneya coulteri Jeff B. Galvin 2008-5-15 46 Riverside Peninsular Ranges, Gavilan Plateau, Estelle Mountain. Steep slope of drainage emptying into Walker Canyon. ~ 680 m east of hwy 15 446 Comment
  UCR217533  Romneya coulteri Diane Menuz 2009-5-4 490 Riverside Peninsular Range, Estelle Mtn., c. 1.52 km east of Hwy. 15, c. 2.10 km south of Cajalco Rd., north of Olsen Canyon 382 Comment
  UCR217664  Romneya coulteri Ana Hernandez, Jeff B. Galvin 2010-5-6 020 Riverside Santa Ana Mountains, At the mouth of Rice Canyon on East Horsethief Trail next to riparian drainage 494 Comment
  CSUSB501  Rorippa nasturtium-aquaticum M. Quinlan 1974-5-25 S.N. Riverside Found in Riverside county on the bank of the Santa Ana River about 1 mile form the Riverside Municipal Airport in Riverside 266 Comment
  SEINET884347 Image available Rubiaceae G. L. Stebbins, L. T. Dempster 1966-1 4244 Riverside Black Mt. road, 0.9 mi above jct of road to Pine Wood, San Jacinto Mountains 1981 Comment
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Aug 25 2013
  RSA523529  Rubus ursinus Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3988 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA191440  Rumex conglomeratus E. W. Lathrop 1967-9-26 6627 Riverside 6 miles NW of Murrieta. Comment
  JOTR29521  Rumex crispus La Doux, Tasha, Mike Bell 2006-9-6 1579 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1301 Comment
  SD187462  Rumex salicifolius Scott D. White, Angelia Carey 2004-5-7 10314 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR136273  Rumex salicifolius A. C. Sanders 2004-4-20 27562 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
  UCR116781  Rumex salicifolius var. denticulatus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24162 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  SD233910  Rumex violascens A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside Domenigoni Valley: upper Warm Springs Creek between Hyw 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester (Winchester 7.5' Q) 433 Comment
  UCR23460  Ruta chalepensis John C. Roos 1950-4-22 4749 Riverside In the pass between Reche Canyon and Pigeon Pass Road 457 Comment
  CLARK-A1528-3968  Ruta graveolens John C. Roos 1950-4-22 4749 Riverside Reche Canyon 457 Comment
  SD167147  Sagina apetala T. B. Salvato, A. C. Sanders 2005-5-17 923 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of California Highway 74. 548 Comment
  JEPS62517  Salazaria mexicana Marjorie Clary 1931-4-4 5 Riverside Coachella Valley Devils' Canyon (slopes of Santa Rosa Mts., West Colorado Desert); West Colorado Desert, slopes of Santa Rosa Mts. Comment
  SDSU7073  Salazaria mexicana Gerald Collier 1951-5-27 M 440 Riverside Rocky slope 10 yards from roadside State Hwy 74, 4 miles east of Pinon Flats, San Jacinto Mtns. Comment
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Jan 30 2013
  UC1281086  Salazaria mexicana H. E. McMinn 1935-6-27 4060 Riverside Palms to Pines Highway Comment
  UCR47289  Salicornia subterminalis Karin Cleary 1987-5-21 56 Riverside Lakeview: flats around Ellis Avenue, 1 - 1.4 km north of the intersection of Ellis Ave. and Menifee Road. 433 Comment
  CAS-BOT-BC129741  Salix bonplandiana Marian L. Campbell 1921-3-19 37 Riverside Banning Comment
  RSA586038  Salix exigua D. L. Banks, Steve D. Boyd 1995-3-16 91 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. 512 Comment
  UCR147804  Salix exigua Steve Boyd, Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR178565  Salix exigua R. G. Swinney 1967-3-5 0062 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  SD80150  Salix exigua var. exigua Nancy Ryan Zabriske, Walter Zabriske 1971-3-7 353 Riverside Andreas Canyon, east slope San Jacinto Mountains 359 Comment
  SDSU12995  Salix exigua var. hindsiana Michael G. Simpson 1999-10-27 2026 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SBBG58895  Salix gooddingii F. R. Fosberg 1932-3-13 8081 Riverside Thousand Palms Cyn Comment
  POM319276  Salix laevigata Patricia Wilder 1971-11-11 5310 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  SEINET272290  Salix laevigata A. C. Sanders, G. Helmkamp 1997-3-15 19968 Riverside Lake Skinner area: lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N Skinner Reser 457 Comment
  UCR140561  Salix laevigata Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 63 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  SEINET272324  Salix lasiolepis A. C. Sanders, G Helmkamp 1997-3-15 19966 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UC4983  Salix lutea H. M. Hall 1901-7-17 2447 Riverside San Jacinto Mts., Tahquitz Creek 1828 Comment
  CAS-BOT-BC125731  Salix nigra Marcus E. Jones 1930-4-2 26030 Riverside Blythe Comment
  CAS-BOT-BC126316  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CLARK-A1528-416  Salsola iberica Fred B. Essig 1966-9-12 Riverside Santa Ana River 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
  RSA444942  Salsola tragus N. C. Cooper 1943-9-26 934 Riverside Cabazon; Alkali Flat. 610 Comment
  RSA761155  Saltugilia splendens subsp. splendens Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 686 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA771349  Saltugilia splendens subsp. splendens Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4474 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
  RSA0123087  Salvia apiana Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8971 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
  RSA500107  Salvia apiana Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3664 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  HSC14331  Salvia columbariae C. L. Hitchcock, C. V. Muhlick 1964-3-22 23244 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  IRVC2084  Salvia columbariae M. Cadnum 1965-4-3 none Riverside Lake Elsinore. southern coastal Comment
  JEPS62684  Salvia columbariae L. M. Newlon 1922-4-3 431 Riverside 6 mi w Indian Wells (sw Colorado Desert); Colorado Desert Comment
  POM305796  Salvia columbariae Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1063 Riverside Corona-Elsinore. Comment
  RSA524221  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4015 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA777725  Salvia columbariae Jim Andre, G. L. Clifton 2011-2-22 17428 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  RSA793534  Salvia columbariae Naomi S. Fraga, David Fracker, Tommy Stoughton 2012-3-15 3943 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SEINET7907885  Salvia columbariae D. A. Johnson 2005-1 2005- 02 -20-13 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  POM229037  Salvia eremostachya P. A. Munz 1937-5-30 15109 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  SD40734  Salvia eremostachya B. D. Stark 1933-5-13 4986 Riverside San Jacinto Mountains; 8.0 miles up on the Palms to Pines Highway. 1220 Comment
  RSA659478  Salvia greatae J. C. Roos 1958-3-29 s.n. Riverside Salt Creek Wash, 3 miles N of Coachella Canal on E base of Orocopia Mtns. 305 Comment
  UCLA70163  Salvia greatae Hall and Greata 1905-4-22 5848 Riverside Canyon Springs Wash; Dos Palmas; Canon Springs Wash, Riverside Co. Comment
  UC1287000  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi w Aguanga Comment
  UCD125549  Salvia mellifera Scott D. White; Justin M. Wood 2009-5-22 12931 Riverside San Jacinto Mountains; Old Control Road, below Halfway Spring. 793 Comment
  UCLA69831  Salvia mohavensis C. Epling and Wm. Robison 1933-6-26 Riverside Key's View; Little San Bernardino Mountains 1524 Comment
  POM11929  Salvia pachyphylla subsp. pachyphylla P. A. Munz 1922-6-29 5888 Riverside Santa Rosa Mountains: Santa Rosa. 2134 Comment
  RSA82389  Salvia vaseyi F. W. Peirson 1930-6-1 8930 Riverside Morongo Canyon, head of Coachella Valley. 610 Comment
  RSA650336  Sambucus caerulea Gregorio Hernandez 1953-1-24 s.n. Riverside Around El Casco Lake. Between Redlands and Beaumont. On San Timoteo Canyon Rd. Comment
  CSUSB699  Sambucus mexicana Conrad Bahre 1970-5-2 Riverside 16 miles east of Riverside along highway 60 in the Bad lands 761 Comment
  POM307780  Sanicula arguta Henry J. Ramsey, Henry J. Ramsey 1938-3-26 255 -I Riverside Corona-Elsinore Road. Comment
  UCR97459  Sanicula bipinnatifida A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19760 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UCR158321  Sanicula crassicaulis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30064 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR155296  Sarcostemma cynanchoides T. B. Salvato, Kent Beaman 2005-5-16 791 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
  RSA716544  Schinus polygamus Andrea Edwards, Lindsay Messett 2006-3-22 119 Riverside Beaumont USGS quad; just south of Highway 60, west of its intersection with Interstate 10, along railroad tracks; next to Dowling Ranch. 777 Comment
  RSA0014458  Schismus arabicus Justin M. Wood, J. Miner 2010-4-29 1531 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA0105293  Schismus arabicus Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7746 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5 air miles northeast of the summit of Martinez Mountain. 266 Comment
  UCR228159  Schismus arabicus Dave Silverman 2010-3-24 7832 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.3 km SE of Sidewinder Well, 2.0 km SW of Palen Dunes Dr., and 4.6 km N of Interstate 10 130 Comment
  RSA483279  Schismus arabicus Robert Gustafson 1980-4-3 1519 Riverside Orocopia Mountains, about 6 miles east of Mecca on Box Canyon road. 305 Comment
  CAS-BOT-BC243458  Schismus barbatus Peter H. Raven 1958-1-23 11411 Riverside 2.7 miles west of Whitewater Post Office Comment
  RSA794234  Schismus barbatus Jim Andre 2012-3-19 21397 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  SDSU18397  Schismus barbatus C. Matt Guilliams 2008-2-27 484 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 370 Comment
  RSA784191  Schoenoplectus J. D. Olmsted 1959-9-23 1023 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  UCR94965  Scirpus microcarpus Scott D. White 1996-8-15 4461 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  RSA425200  Scrophularia californica subsp. floribunda N. C. Cooper 1944-5-20 1257 Riverside Palms to Pines Hwy. San Jacinto Mts. 1433 Comment
  CAS-BOT-BC341102  Scutellaria mexicana Emma B. Mundy 1921-3-22 4484 Riverside Andreas Canyon Region Comment
  CAS-BOT-BC341103  Scutellaria mexicana C. L. Hitchcock 1940-4-1 5905 Riverside 1 mi. below Cottonwood Springs, Joshua Tree National Monument Comment
  UC456122  Scutellaria siphocampyloides I. J. Condit 1900-6-21 Riverside near Idlewild; San Jacinto Mountains 1524 Comment
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Sep 17 2011
  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
  CAS-BOT-BC69802  Selaginella bigelovii L. R. Abrams 1926-3-25 11041 Riverside Between Banning and Cabazon. Comment
  IRVC3585  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-5-28 SJ 41 Riverside Mountain Center to Hemet Hwy. Peninsular Ranges, San Jacinto Mountains 884 Comment
  UCR22081  Selaginella bigelovii Steve Boyd 1980-5-3 197 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA0012731  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3150 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  SEINET11802934  Senecio californicus H. M. Hall 1903-1 3721 Riverside vicinity of Riverside, Upper Sonoran Zone 610 Comment
  UCR133412  Senecio flaccidus var. douglasii Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 319 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  RSA523870  Senecio vulgaris Gordon H. True 1935-4-1 199 Riverside Box Springs. 366 Comment
  RSA1193  Senna armata B. D. Stark 1930-5-25 1619 Riverside Chuckawalla Valley, Colorado Desert Comment
  RSA0031606  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -1 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Just left (as ascending) of Black Mountain Trail on slope by large trunk lying across trail, at the, head of Hall Canyon. 2036 Comment