Search Results — 2000 specimen records retrieved (1896 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC34  Abies concolor H. M. Hall 1901-8-1 2584 Riverside Tamarack Valley San Jacinto Mountains Comment
  CAS-BOT-BC229351  Abronia villosa Milo S. Baker 1928-4-5 2848 b Riverside Palm Springs Comment
  RSA714961  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-3-14 5203 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  UC912300  Abronia villosa Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  RSA0048314  Abronia villosa Charles MacKechnie 1950-4-29 s.n. Riverside Cranston Ranger Station, San Bernardino National Forest. 609 Comment
  RSA2594  Abronia villosa var. aurita J. T. Howell 1928-7-9 1058 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA461180  Abronia villosa var. aurita N. C. Cooper 1949-3-15 3170 Riverside North of Palm Springs. 122 Comment
  RSA716396  Abronia villosa var. aurita Scott D. White, Angelia Carey 2004-4-5 9978 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC7621 Image available Abronia villosa var. aurita S. B. Parish Apr 4 1896-Apr 13 1896 4138 Riverside desert base of San Jacinto Mt.(Agua Caliente) Palm Springs, San Jacinto Mt. 152 Comment
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Jul 8 2010
  JOTR16747  Abronia villosa var. villosa Walters, Jim 1967-3-4 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE 1249 Comment
  RSA653653  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr., [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  SEINET10903463  Acacia greggii Billy Joe Cox 1975-4-23 Cox 4134 Riverside Palo Verde, 1-3 km W, (ca 32 m S of Blythe); creosote desert scrub; sandy and gravelly entisols. 70 Comment
  RSA730112  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41805 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UC1281262  Acamptopappus sphaerocephalus var. sphaerocephalus H. E. McMinn 1935-6-27 4071 Riverside along highway to Pine Palms Comment
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Dec 13 2011
  UC604854  Acamptopappus sphaerocephalus var. sphaerocephalus Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9539 Riverside 2 mi from Cottonwood Springs; Cottonwood Mts. Comment
  JEPS20084  Achillea millefolium Peter H. Raven with R. Snow 1957-7-26 11108 Riverside just below, in meadow along Banning--Idyllwin Rd. Vista Grande Ranger Station; San Jacinto Mountains Comment
  SEINET4692071 Image available Achnatherum coronatum Barry A. Prigge 1980-1 3830 Riverside San Bernardino Mountains, Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  UCD50303  Achnatherum coronatum A. A. Beetle 1946-6-10 4388 Riverside San Jacinto Mt., San Jacinto Mts. 762 Comment
  SBBG1974  Achyronychia cooperi H. and M. Dearing 1931-12-26 217 Riverside near Indio Comment
  UCR20762  Achyronychia cooperi A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1298 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  CAS-BOT-BC213416  Acmispon argophyllus var. argophyllus Lester Rowntree 1937-11-1 s.n. Riverside Nigger Grade [Nate Harrison Grade], W. side of Palomar Mt. Comment
  SDSU12261  Acmispon glaber var. brevialatus Jeremy Mass, Ryan Jacobsen 2000-4-19 7 Riverside Roadside along Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  UCD104140  Acmispon glaber var. brevialatus A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25846 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 365 Comment
  SD258921  Acmispon rigidus Sarah J. De Groot, Cheryl Sevilla 2016-3-15 7635 Riverside Santa Rosa Mountains; Along Dunn Road betyween Haystack and Asbestos Mountans; SW of Palm Desert, NE of Potrero Spring, between Palm and Deep Canyons 1231 Comment
  SD140106  Acmispon strigosus Scott White 1993-4-22 1242 Riverside North Aberhill Ranch, in hills of Walker Canyon 487 Comment
  RSA512757  Acourtia microcephala W. Wisura, Bart O Brien, M. Durant 1990-6-12 4446 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  UCR178317  Acourtia microcephala T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 622 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR71763  Acrachne racemosa L. F. LaPre, Megan Phillips 1991-9-9 91- 18 B Riverside Sonoran (Colorado) Desert, Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
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Sep 10 2011
  JEPS34237  Adenophyllum porophylloides W. L. Jepson 1901-5-22 1408 Riverside Palm Canyon Comment
  UCR169391  Adenostoma fasciculatum T. B. Salvato, John F. Green 2004-5-27 611 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
  RSA526141  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4583 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UC729550  Agrostis exarata Carl B. Wolf 1932-8-6 3997 Riverside 2 9/10 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  UCR24964  Agrostis pallens A. C. Sanders 1981-7-22 1744 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  RSA593987  Ailanthus altissima D. L. Banks, Elizabeth Hedge Banks 1996-5-2 951 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA776246  Allionia incarnata Duncan S. Bell 2010-3-20 636 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  SEINET3134334  Allionia incarnata N. H. Holmgren, R. E. Kern 1973-3-20 6411 Riverside Big Maria Mts., 12 airline miles north of downtown Blythe 290 Comment
  UC843408  Allium cratericola P. A. Munz and I. M. Johnston 1922-5-21 5512 Riverside Kenworthy San Jacinto Mts., Kenworthy 1417 Comment
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Mar 25 2011
  POM263555  Allium fimbriatum var. fimbriatum J. C. Roos 1941-5-10 129 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  CAS-BOT-BC131993  Allium haematochiton Ira W. Clokey 1935-4-18 6555 Riverside Gavilan Peak 600 Comment
  POM190037  Allium haematochiton Marcus E. Jones 1931-3-2 s.n. Riverside Corona. Comment
  POM230625  Allium haematochiton I. W. Clokey 1935-4-18 6555 Riverside Gavilan Peak 600 Comment
  RSA180459  Allium haematochiton E. W. Lathrop 1960-5-27 5208 Riverside 6 miles west of Murrieta. Comment
  RSA666659  Allium haematochiton A. C. Sanders, Kent Beaman 2002-5-10 25053 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  UC1544765  Allium munzii Steve Boyd 1986-4-22 1778 Riverside e edge of plateau remnant of ridge e Estelle Mt. (s of Dawson Canyon); Gavilan Hills 670 Comment
  UCR217543  Allium munzii Diane Menuz 2008-4-30 438 Riverside Perris-Hemet Basin, SW of the city of Hemet, north of Diamond Valley Lake on Domenigoni Hills; c. 1.3 km SE of Simpson Ave. and Warren Rd. intersection 577 Comment
  JOTR34173  Allium parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 129 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  UCR274314  Allophyllum Jennifer H. Jones, Scott D. White 2005-5-25 s.n. Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  RSA614533  Allophyllum divaricatum A. C. Sanders, Pamela J. MacKay, Tim Thomas, O. Clarke 1997-5-4 20633 Riverside San Jacinto Mountains north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740. Comment
  UCR142773  Alnus rhombifolia I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 274 Comment
  SD68947  Alopecurus saccatus Robert F. Thorne, E. Lathrop, O. Clark, S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau, open dessicated mud at margin of vernal marsh, Mesa de Colorado. 671 Comment
  RSA90202  Alopecurus saccatus F. W. Peirson 1922-5-19 3021 Riverside 10 miles northeast of Murrieta. Comment
  UCR22164  Amaranthus albus Steve Boyd 1980-7-6 322 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA339331  Amaranthus fimbriatus R. F. Thorne, Rolf, Getrud Dahlgren 53566 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains 1098 Comment
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Apr 25 2011
  UCR34995  Amaranthus fimbriatus L. B. Ziegler 1967-9-28 256 Riverside San Jacinto Mountains, Pinyon Flats 1250 Comment
  UCR272196  Amaranthus powellii Duncan S. Bell 2015-9-30 8659 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  RSA500106  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3664 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  CAS-BOT-BC22612  Ambrosia dumosa P. H. Raven 1958-1-24 11463 Riverside Fargo Canyon Comment
  LA202914  Ambrosia dumosa J. A. Ewan; 1931-4-2 4098 Riverside 10 mi. N of Edom Comment
  RSA650430  Ambrosia dumosa David B. Dunn 1948-2-21 3687 Riverside [Pushawalla] Comment
  UC896717  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Wells; ; as Mecca-Shafer Wells Comment
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Apr 24 2011
  UCR128943  Ambrosia dumosa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR275449  Ambrosia dumosa Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-31 946 Riverside Sonoran (Colorado) Desert, wash crossing Midland-Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  CAS-BOT-BC30796  Ambrosia ilicifolia Edmund C. Jaeger 1939-2-8 s.n. Riverside 2 miles so of Desert Center on north base of Chuckawalla Mts. 289 Comment
  RSA450767  Ambrosia ilicifolia J. C. Roos 1958-3-15 s.n. Riverside 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  RSA575845  Ambrosia psilostachya Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 329 Comment
  UC1069630  Ambrosia salsola R. St. John 1929-3-25 15 Riverside Foot of Cabezon Mt San Jacinto Quad., Foot of Cabezon Mt. 609 Comment
  UC898008  Ambrosia salsola var. pentalepis I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
  UCSB41780  Ambrosia salsola var. salsola Little, John 1975-5-4 Riverside 10 mi. E. of Cactus City under Frontage Rd. overpass; alongside Frontage Rd. Comment
  RSA522319  Ammannia coccinea Steve Boyd 1989-7-23 3789 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  UCR133457  Amorpha californica var. californica Tracy Tennant, J. S. Ross 1998-7-30 MOR- 677 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Hathaway Canyon, slope above and west of polygon H3. 976 Comment
  RSA415300  Amorpha fruticosa Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  RSA44916  Amorpha fruticosa J. C. Roos 1947-5-10 3614 Riverside 3 miles SE of Console Springs., [Console Springs is in Riverside Co. near present-day Reche Cyn. Rd., ca. 33 d 59.5' N / 117 d 12.7' W. Roos's collection site was probably the wash just above Sunnymead. -S. D. White Mar 2007] Comment
  RSA0089634  Amsinckia intermedia Steve Boyd 1986-3-1 1366 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA793024  Amsinckia intermedia Justin M. Wood 2011-4-4 3398 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR172615  Amsinckia intermedia A. C. Sanders, John F. Green 2006-5-18 32371 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
  UCR90984  Amsinckia intermedia Scott D. White 1996-3-31 3860 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA0089610  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  CLARK-A1528-326  Amsinckia menziesii Stephen J. Southwell 1971-5-23 Riverside Murrieta 304 Comment
  SDSU18987  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-12 532 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. 428 Comment
  UCR120905  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24945 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR158339  Amsinckia retrorsa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30055 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
  RSA0091471  Amsinckia tessellata Duncan S. Bell 2010-4-1 664 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  SBBG87488  Amsinckia tessellata A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6015 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UC1084627  Amsinckia tessellata var. tessellata Francia Chisaki, Peter M. Ray 1952-4-6 2197 Riverside about 1/4 mi w of Cottonwood Springs; Joshua Tree National Monument Comment
  UC1563007  Amsinckia tessellata var. tessellata Steve Boyd 1986-3-1 1372 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  UC218270  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4844 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  JOTR01143  Amsonia tomentosa Cole, James E. 1941-5-14 702 Riverside Joshua Tree National Park. QUEEN VALLEY 1280 Comment
  RSA385148  Andropogon glomeratus Anstruther Davidson 1898-1 s.n. Riverside Palm Springs. Comment
  UC284974  Antirrhinum coulterianum P. A. Munz 1923-6-14 7106 Riverside trail from Glen Ivy to Santiago Peak; Santa Ana Mts. 914 Comment
Read comments
Apr 1 2013
  RSA425815  Antirrhinum filipes Christopher Davidson 1979-4-4 7716 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA776180  Antirrhinum filipes Amber Swanson 2011-3-20 245 Riverside On Railroad tracks on Summit Rd near the Bradshaw trail 479 Comment
  SD136754  Antirrhinum kelloggii Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside San Mateo Canyon Wilderness Area. Indian Potrero Trail from Verdugo Potrero to Indian Potrero Trail on ridge between Talega Canyon and Nickel Canyon 609 Comment
  RSA757449  Antirrhinum nuttallianum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55228 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  UCR41351  Antirrhinum nuttallianum N. M. Fellows, A. C. Sanders 1985-5-7 163 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA191418  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop, Robert F. Thorne 1967-9-26 6609 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR239202  Antirrhinum nuttallianum subsp. nuttallianum Steven R. Hill, A. C. Sanders 2001-5-4 33713 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  UCR107748  Apiastrum angustifolium D. L. Banks 1997-5-5 1993 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR99157  Apiastrum angustifolium A. C. Sanders, G. Helmkamp 1997-3-15 19994 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA604418  Aquilegia formosa C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Between Pine Flat Camp and Fuller's Mill. Comment
  CAS-BOT-BC409997  Arceuthobium campylopodum L. Helmkamp; G. Helmkamp 1999-11-16 5 -1 Riverside San Jacinto Mountains, at the W end of Garner Valley, 0.5 miles E of CA-74 on Apple Canyon Road, just NE of Lake Hemet 1341 Comment
  UC1618107  Arceuthobium campylopodum Donald G. Nelson 1936-5-24 422 Riverside Hurkey Creek Camp Comment
  RSA608476  Arceuthobium cyanocarpum Louis C. Wheeler 1961-6-21 7899 Riverside San Jacinto Mountains: North side Tahquitz Peak. Comment
  RSA629131  Arctostaphylos Jon E. Keeley 1992-7-17 16766 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629145  Arctostaphylos Jon E. Keeley 1992-7-17 16729 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  UCR122853  Arctostaphylos glandulosa Susanne M. James 1979-1-20 12 Riverside San Jacinto Mtns., 2.5 mi north of Soboba Indian Reservation and 1 mi west of San Bernardino National Forest along Poppet Flat Road Comment
  RSA503399  Arctostaphylos glandulosa subsp. glandulosa John Olmsted 1962-5-9 3606 Riverside SE side of Santiago Pk. 1463 Comment
  RSA631776  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19272 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631817  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20164 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA631842  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20168 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 5 km south of Pinyon Pines, Santa Rosa Mountains. 1480 Comment
  UCR275943  Arctostaphylos glauca T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3790 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
  RSA633532  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20162 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633563  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21750 Riverside Dirt road to Santa Rosa Mountain, 1.8 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1605 Comment
  RSA633568  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16634 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633574  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16677 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633607  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22519 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633747  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21798 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA635199  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16776 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA635300  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22542 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  UC488998  Arctostaphylos pringlei subsp. drupacea C. V. Meyer June 1927 207 Riverside Saunder's Meadows San Jacinto Mts. 1706 Comment
  JEPS48072  Arctostaphylos pungens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4262 Riverside 1 mi se Toro Peak Ridge; Santa Rosa Mts. 2286 Comment
  UC21839  Arctostaphylos pungens H. M. Hall 1901-6-12 2102 Riverside w side San Jacinto Mountains Comment
  RSA636159  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18813 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636172  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19481 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  SD152623  Arctostaphylos rainbowensis Craig Reiser 2000-8-28 Riverside ca. one mile southwest of Pechanga Reservation casino, south of creek and west of substantial tributary, on hilltop (mak 11/06) Comment
  UCR61702  Arctostaphylos rainbowensis S. J. Myers 1990-3-21 s.n. Riverside Santa Rosa Plateau area: along Los Gatos Road, 1/2 mi south of Buena Vista Road (2 mi west of Sandia Canyon and 0.1 mi north of San Diego County line) 366 Comment
  SD135192  Arenaria macradenia subsp. macradenia Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northern flanks of Santa Rosa Peak Comment
  SJSU8578  Argemone munita R. C. McGehee 1970-5-1 261 Riverside Graham Pass on Graham Pass Rd between Chuckwalla & Little Chuckwalla Mts, 14 mi S of Interstate Hwy 10 Comment
  UCR116786  Argemone munita A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24160 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
  UCR56014  Argemone munita J. A. Adams 1965-5-9 206 Riverside San Jacinto Mtns., NE side of Mtns, Palm Springs Area, 1 mi below tramway up Mt. San Jacinto 915 Comment
  CAS-BOT-BC401707  Argemone munita subsp. munita Ynez Whilton Winblad 1937-4-3 s.n. Riverside Between Beaumont and Riverside Comment
  POM410  Argemone munita subsp. munita L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  RSA552745  Aristida adscensionis Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6677 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA718837  Aristida adscensionis Michael Honer, L. Hulse 2005-3-8 2043 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  UCD56429  Aristida adscensionis Geoffrey Levin 1976-10-17 1176 Riverside Colorado Desert, Mecca Hill, Salton Sea Basin, Box Canyon, about 11 miles east of Mecca. 91 Comment
  POM7099  Aristida adscensionis var. modesta P. A. Munz 1919-3-25 2330 Riverside Palm Canyon, Palm Springs. 229 Comment
  GMDRC5515  Aristida californica J. Andre 2012-3-19 21352 Riverside Chuckwalla Valley: along Hwy 177, 8.6 mi. NE of Jct with I-10 152 Comment
  CLARK-A1528-4482  Aristida purpurea John C. Roos 1965-8-15 Riverside San Jacinto Valley Comment
  CAS-BOT-BC137529  Aristida purpurea var. nealleyi Carl B. Wolf 1932-5-24 3640 Riverside North base of San Jacinto Mountains. Snow Creek Canyon. 0.5 mile below Fish Hatchery. 548 Comment
  CLARK-A1528-7798  Aristida purpurea var. nealleyi John C. Roos 1949-4-11 4242 Riverside Hayfield Comment
  UCD56562  Aristida purpurea var. nealleyi Peter H. Raven 1958-5-18 12986 Riverside San Jacinto Mountains, Pinyon Flats. Comment
  UCR19681  Aristida purpurea var. nealleyi John C. Roos 1938-8-7 582 Riverside San Jacinto Mtns., Road bank near San Jacinto River, east of Hemet 701 Comment
  RSA97133  Aristida purpurea var. nealleyi H. K. Buechner 1955-6-1 C- 102 Riverside 4.5 miles south of Palm Desert, Coachella Valley 854 Comment
  POM1098  Aristida purpurea var. parishii I. M. Johnston 1917-4-4 1008 Riverside Palm Canyon. 427 Comment
  RSA544392  Aristida purpurea var. parishii Steve Boyd 1991-5-30 6320 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  RSA784531  Artemisia californica J. D. Olmsted 1959-2-23 266 Riverside Drainage area NE to Santa Ana River: 1 mi SW of olive grove on Oak flat fire rd. 4 mi S of Corona on Lincoln and Chase Dr. to wash then south. 457 Comment
  SD239568  Artemisia californica A. C. Sanders 2010-11-18 38692 Riverside Peninsular Range; western Gavilan Hills: eastern edge of Corona, north end of radio tower ridge, 1.85 mi. NNE (25a^z) of El Cerrito, 1 mi. SSE (143a^z) of Home Gardens, just east of large rock quarry (Corona South 7.5'Q) 398 Comment
  SEINET7048062  Artemisia californica Steven R. Hill 2001-4-29 33539 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UCR141235  Artemisia californica A. C. Sanders, Mike Misenhelter 2004-10-6 28831 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UCR141241  Artemisia californica A. C. Sanders, Kelly Volansky 2004-10-6 28813 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  SDSU12969  Artemisia douglasiana Michael G. Simpson 1999-10-27 2037 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  CLARK-A1528-1574  Artemisia dracunculus John C. Roos 1948-10-16 Riverside Beaumont Comment
  JOTR32836  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UCR34916  Artemisia dracunculus L. B. Ziegler 1967-9-6 242 Riverside San Jacinto Mtns, Hemet Valley (=Garner Valley), Quinn Flats region 1375 Comment
  SEINET4972698  Artemisia dracunculus Unknown 1973-10-16 179 a Riverside Toro Peak, summit of Santa Rosa Mountains, near Palm Springs Comment
  SD237299  Artemisia ludoviciana subsp. albula Jim Andre, T. La Doux 2007-9-6 8704 Riverside Little San Bernardino Mountains: Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress. 1237 Comment
  JEPS37034  Artemisia ludoviciana subsp. ludoviciana Carl V. Meyer 1928-7-30 573 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow (dry edge of meadow on n slope) 1676 Comment
  RSA401651C  Asclepias californica Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA496471  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3086 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  SEINET10961578  Asclepias erosa Ira L. Wiggins, Reed C. Rollins 1941-9-14 Wiggins 482 Riverside Colorado Desert, 23 mi W of Blythe Comment
  RSA401252  Asclepias fascicularis N. C. Cooper 1949-6-24 4313 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  JOTR35993  Asclepias subulata Harding, Mitzi, Mark Wheeler 2012-9-4 204 Riverside Joshua Tree National Park. Pinto Wells; large, active wash west of road leading to weather station (stop 4) 262 Comment
  POM17510  Aspidotis californica Philip A. Munz 1923-6-18 7129 Riverside Temecula Canyon Comment
  JOTR31085  Astragalus bernardinus La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2347 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
  NY43150  Astragalus coccineus J. B. Walker 1995-5-4 1414 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  UC68514  Astragalus crotalariae H. M. Hall April, 1905 5828 Riverside Indio , Indio (Colorado Desert) 0 Comment
  RSA642086  Astragalus douglasii var. parishii Orlando Mistretta, Mark Elvin 1995-6-19 1777 Riverside Highway 74. 1418 Comment
  UC597722  Astragalus douglasii var. parishii Philip A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak Santa Rosa Peak (on dry benches) 2346 Comment
  SDSU7936  Astragalus insularis var. harwoodii Darley F. Howe 1949-3-21 1975 Riverside 3 miles west of Blythe. 91 Comment
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Oct 12 2011
  SEINET898139  Astragalus lentiginosus H. M. Hall 1905-1 5757 Riverside Whitewater, on the Colorado Desert, Lower Sonoran Zone, 240 Comment
  UCR208171  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 Riverside Sonoran (Colorado) Desert, Palm Springs 137 Comment
  UCR33614  Astragalus lentiginosus var. variabilis Sears 1978-4-12 1173 Riverside Sonoran (Colorado) Desert, 5 mi northeast of Desert Center on road to Rice 165 Comment
  POM229797  Astragalus leucolobus P. A. Munz 1937-5-30 15134 Riverside Santa Rosa Peak. 2409 Comment
  RSA107988  Astragalus mohavensis H. D. Ripley, R. C. Barneby 1944-4-7 3203 Riverside 10 mi. N of Cottonwood Sprs. [Springs?] 746 Comment
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Feb 19 2014
  SEINET7042775  Astragalus nuttallii W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  CAS-BOT-BC194201  Astragalus pachypus Parish 1881-1-1 1134 Riverside Temecula Canyon Comment
  POM13864  Astragalus pachypus var. jaegeri P. A. Munz 1922-4-29 5118 Riverside East of Dripping Spring, near Temecula Creek 609 Comment
  CAS-BOT-BC192825  Astragalus pomonensis C. F. B. 1904-4-5 4131 Riverside Hemit [Hemet] Comment
  CAS-BOT-BC194126  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside Gavilan Hills Region, 1 mi. W of Val Verde 487 Comment
  CAS-BOT-BC194129  Astragalus pomonensis Peter H. Raven; S. R. Snow 1956-6-30 9543 Riverside 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  SEINET898381  Astragalus pomonensis Lewis S. Rose 1949-1 49056 Riverside Alberhill 366 Comment
  SEINET3134680  Astragalus sabulonum L. S. Rose 1938-2-1 38011 Riverside 10 mi W of Blythe 122 Comment
  JOTR29375  Astragalus tricarinatus La Doux, Tasha, Mike Bell 2006-5-10 1452 Riverside Joshua Tree National Park. East Deception Canyon, near park boundary Comment
  CAS-BOT-BC334464  Athysanus pusillus A. C. Sanders; Timothy W. Chumley 2013-4-2 40745 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd. near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA606389  Athysanus pusillus Jon E. Keeley 1994-4-7 25288 Riverside Shipley Reserve, study site Sh4. S of Hemet, S end of Rawson Road 660 Comment
  UCR102857  Athysanus pusillus A. C. Sanders 1997-4-3 20160 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR241945  Athysanus pusillus A. C. Sanders, Timothy W. Chumley 2013-4-2 40745 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA736291  Atriplex argentea subsp. expansa Scott D. White, Justin Wood 2008-5-27 12030 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  UCR201824  Atriplex argentea subsp. expansa Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  POM278729  Atriplex canescens Grant D. Brown 1950-12-2 588 Riverside About halfway between Arlington and Cajalco Resevoir in foothills. 335 Comment
  POM630  Atriplex canescens I. M. Johnston 1033 Riverside Near Palm Springs. 183 Comment
  RSA5459  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SEINET3930599  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana R. NW. of Arlington.; 0 Comment
  UC1136265  Atriplex canescens H. S. Yates 1936-4-7 5414 Riverside Palm Springs San Jacinto Quad., Palm Springs Comment
  UC1366101  Atriplex canescens K. R. Montgomery 1969-9-7 69 -31 Riverside 18 mi s Hemet (1.5 mi e of Riverside Co. Hgwy 3, on Wilson Valley Road); s of Hemet Comment
  UC538043  Atriplex canescens W. M. Ingram October 1934 Riverside Edom Comment
  CAS-BOT-BC170217  Atriplex canescens subsp. canescens Louis C. Wheeler 1931-11-27 378 Riverside 2 mi. SE Salton Bench Mark -76 Comment
  RSA452444  Atriplex canescens var. linearis F. R. Fosberg 1940-10-4 S- 4102 Riverside Indian Wells, Coachella Valley Comment
  CLARK-A1528-2546  Atriplex coronata var. notatior John C. Roos 1965-6-30 Riverside Perris Comment
  UCR266252  Atriplex coronata var. notatior D. E. Bramlet 2006-5-5 3981 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west Hemet area, north of Stetson Ave. and east of the EMWD canal 456 Comment
  CLARK-A1528-2549  Atriplex polycarpa John C. Roos 1943-12-19 2763 Riverside Mecca Hills Comment
  UCR134587  Atriplex polycarpa Marisa Sripracha, Kyle Boyd 2004-2-14 021 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 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
  UCR172138  Atriplex serenana A. C. Sanders 2006-5-11 32254 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR104080  Avena fatua A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20649 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
  RSA518311  Baccharis brachyphylla A. C. Sanders 1989-9-19 9503 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UCR262332  Baccharis brachyphylla Duncan S. Bell 2013-9-29 6045 Riverside Colorado (Sonoran) Desert, Chuckwalla Mountains, south side of Corn Springs, Wash, c. 1.8 air mi southwest of Corn Springs 648 Comment
  IRVC18891  Baccharis emoryi Karlin G. Marsh 1981-11-11 3 Riverside Blythe: north of Mayflower County Park, 5 miles north of I-10, along irrigation ditch into Colorado River. Sonoran Desert Comment
  RSA605786  Baccharis emoryi Scott D. White 1996-2-18 3804 Riverside Perris Basin: Double Butte, NW of Winchester, SE-facing slope of W butte. 30 Comment
  CAS-BOT-BC106703  Baccharis salicifolia C. L. Hitchcock 1940-4-12 6048 Riverside 8 mi. northwest of Elsinore 457 Comment
  OBI37442  Baccharis salicina Oscar F. Clarke 1970-10-28 Riverside Botanic Gardens of the Univ. of CA, Riverside Comment
  UC1010322  Baccharis sarothroides John and Lucille Roos 1950-10-28 5021 Riverside near Box Springs 472 Comment
  UCR140878  Baccharis sarothroides Chris E. True, Laurel Salzman 2004-8-20 s.n. Riverside San Jacinto Mtns., c. 1 km south of Twin Pines Ranch on USFS Rd 3S08, between Azalea and Twin Pines Creeks 1157 Comment
  IRVC512  Baccharis sergiloides D. Christy 1965-4-17 Riverside Palm Springs Sonoran Desert Comment
  UC1303135  Baccharis sergiloides Carl B. Wolf 1932-10-12 4297 Riverside Pinyon Wells Little San Bernardino Mts., Conchilla Mts. 1219 Comment
  UCR84596  Baccharis sergiloides Scott D. White, S. Ogg 1994-4-21 1963 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR92158  Baccharis sergiloides D. L. Banks, Steve Boyd 1995-10-17 0804 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  SD232171  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 Riverside Gavilan Hills/Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and/or west of unnamed peak. 395 Comment
  CAS-BOT-BC295906  Bahiopsis parishii C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring Comment
  JOTR35449  Bahiopsis parishii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 53 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  RSA189411  Bahiopsis parishii L. S. Rose 1966-12-14 66104 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  RSA79172  Bahiopsis parishii Philip A. Munz, Percy C. Everett 1952-5-2 16243 Riverside Dry Morongo Wash, n.w. end of Coachella Valley 457 Comment
  UCR104633  Baileya multiradiata var. multiradiata D. E. Bramlet 1993-5-5 2338 a Riverside Peninsular Range, Entrance of the El Sobrante Landfill, on the sides of an unnamed tributary to Temescal Wash, approx 1.98 km north east of Temescal Canyon Road. 366 Comment
  JOTR16563  Baileya pauciradiata Dengler, A. 1966-3-31 46 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  JOTR35998  Baileya pleniradiata Harding, Mitzi, Mark Wheeler 2012-9-4 209 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
  OBI16935  Bebbia juncea H. E. McMinn 1935-6-27 4066 Riverside Palms to Pines Highway Comment
  POM350770  Bebbia juncea Robert Gustafson 1981-4-7 1256 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA516869  Bebbia juncea Steve Boyd, Thomas S. Elias, B. Roy, S. Meury, S. Zona 1986-3-5 1342 Riverside Mecca Hills: Box Canyon, along Hwy 195 Comment
  RSA519228  Bebbia juncea Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  RSA784947  Bebbia juncea Duncan S. Bell 2012-2-12 3125 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  LA203070  Bebbia juncea var. aspera A. M. Johnson; 1933-4-28 4239 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  UCR217657  Berberis nevinii Diane Menuz 2006-6-2 124 Riverside Palomar Mountains, Agua Tibia Wilderness near Dripping Springs Campground. 365 m south of Hwy 79 and 265 m south-southwest of Dripping Springs Guard Station. 490 Comment
  UCR67367  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3908 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  CAS-BOT-BC207048  Bernardia incana Annie M. Alexander 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts. 1036 Comment
  LA204859  Bernardia incana C. L. Hitchcock; 1940-4-5 5967 Riverside 0.5 mi. above Cottonwood Springs Comment
  RSA27593  Bernardia incana C. L. Hitchcock 1940-4-5 5967 Riverside 1/2 mile above Cottonwood Springs, in the canyon above the Spring. Comment
  RSA336055  Bernardia incana R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52064 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  RSA549248  Bidens laevis A. C. Sanders 1991-10-5 11739 Riverside Riverside, Fairmount Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake. Comment
  CSUSB941  Bloomeria crocea Mark Eutenier 1973-5-30 730530 4 Riverside Box Springs Road, side canyon running east-west from main canyon 50 yards north of tower and Big "C", 50 yards east of main canyon 5 feet up north facing slope. 548 Comment
  RSA627850  Bloomeria crocea A. C. Sanders 1994-5-30 14597 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs. 950 Comment
  SDSU11577  Bloomeria crocea Charles F. Phleger 1962-5-23 23 V62 Riverside Collected on land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  SD229113  Boechera californica Dick Schwenkmeyer 2012-4-17 697 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR270394  Boechera johnstonii John F. Emmel 2001-4-28 1698 Riverside San Jacinto Mountains, Garner Valley, 0.2 air mile south of trailhead parking area for Ramona Trail 1402 Comment
  CAS-BOT-BC14161  Boechera perennans John F. Emmel 1971-3-22 330 Riverside San Jacinto Mountains. Northeast of Pinyon Flat. Dos Palmas immediately below. 1097 Comment
  RSA69608  Boerhavia coccinea F. W. Peirson 1922-12-28 5218 Riverside Andreas Canyon, east base of San Jacinto Mts. 244 Comment
  POM192490  Boerhavia coulteri Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  CAS-BOT-BC434547  Boerhavia spicata Philip A. Munz 1946-10-20 11578 Riverside Palms to Pines Highway, at north base of Santa Rosa Mts. 1036 Comment
  JOTR32619  Boerhavia wrightii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1628 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  SEINET10389837  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41867 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CAS-BOT-BC145583  Bouteloua aristidoides Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9518 Riverside North edge of Pinto Basin 19 miles from Cottonwood Springs. Comment
  POM263174  Bouteloua aristidoides J. C. Roos 1937-8-22 478 Riverside Colorado River, north of Blythe. Comment
  SEINET8071634 Image available Bouteloua aristidoides var. aristidoides Deidre Conocchioli, Sarah J. De Groot 2013-9-18 50 Riverside Colorado Desert Chocolate Mountains: Valley N of Chocolate Mts. From Desert Center take I-10 W for 9.2 mi. Exit Red Cloud Rd under I-10 onto unpaved powerline road for 0.2 mi. Road parallels old raised railroad for short distance. 442 Comment
  UCR195799  Bouteloua aristidoides var. aristidoides Jim Andre, T. La Doux 2007-9-6 8706 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  UCD56842  Bouteloua barbata Leslie L. Ede 1972-7-18 s.n. Riverside Blythe? Comment
  JEPS15397  Bouteloua barbata var. barbata Joseph and Hilda Grinnell 1937-11-30 1080 a Riverside 24 mi e Blythe (bed of lake); Chuckawalla Valley, Ford Dry Lake 106 Comment
  SD137928  Bowlesia incana Darin L. Banks, Steve Boyd 1995-3-16 103 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; east of the Dripping Springs Alcove, north slope of Wildhorse Peak, on Wildhorse Trail 609 Comment
  UCR137044  Bowlesia incana A. C. Sanders 2004-5-5 27771 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR49777  Bowlesia incana B. G. Pitzer, A. C. Sanders 1987-4-21 0491 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  PASA1871  Brandegea bigelovii 1928-3-3 Riverside Hidden Springs Canon Col. Desert Comment
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Aug 27 2016
  RSA394246  Brandegea bigelovii Anstruther Davidson 1903-5-3 s.n. Riverside Martinez Canyon mouth. Comment
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Jul 1 2016
  SBBG100729  Brandegea bigelovii W. L. Halvorson 1977-2-5 77 -19 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SBBG69427  Brandegea bigelovii M. N. Ackley 1928-3-31 120 Riverside Painted Cyn 243 Comment
  UCSB5999  Brandegea bigelovii Feldmann, Peter 1963-5-5 Riverside Along State Highway 111, 1 mile N of Palm Desert 914 Comment
  RSA0034839  Brassica geniculata Norman C. Cooper 1944-5-19 1275 Riverside Banning. 701 Comment
  UCR50579  Brassica nigra B. G. Pitzer, E. Misquez 1988-2-28 0621 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA676128  Brassica tournefortii Scott D. White 2001-4-13 8329 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  RSA779593  Brassica tournefortii Duncan S. Bell 2009-3-7 25 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  SBBG35085  Brassica tournefortii T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  CLARK-A1528-1656  Brickellia arguta John C. Roos 1948-5-1 3813 Riverside Whitewater Comment
  JOTR16568  Brickellia californica Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECTS 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  UCR82760  Brickellia californica A. C. Sanders, T. Schram & D. Wappler 1994-10-6 15787 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  UCR9106  Brickellia desertorum O. F. Clarke 1969-10-8 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus, south side of campus Comment
  UCR93100  Brickellia desertorum F. M. Reed 1929-11-8 6679 Riverside San Jacinto Mtns/Colorado Desert,, mouth of Snow Creek Canyon 300 Comment
  RSA695645  Brickellia incana J. Russell Bruff 1927-11-26 26 Riverside 10 miles north of Cottonwood Springs Comment
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Sep 20 2011
  RSA234087  Brodiaea filifolia Robert F. Thorne, E. Lathrop 1969-6-6 39323 Riverside Rancho, Mesa de Colorado 625 Comment
  UC501618  Brodiaea filifolia Frank W. Peirson 1930-5-10 8772 Riverside 1 mi E of Perris 457 Comment
  CAS-BOT-BC486544  Brodiaea terrestris subsp. kernensis Mitch Provance 2005-5-17 6566 Riverside Warm Springs Valley: Terra Cotta, Nichols Road Wetland at Alberhill Creek, 100 yards SE of the Durant RR siding, the site bordered along the NW 420 Comment
  UC2015537  Bromus berteroanus A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16168 Riverside Coachella Valley/San Jacinto Mtns. Foothills, N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Highway 111 (Palm Canyon Dr.) Comment
  SEINET244212 Image available Bromus carinatus var. carinatus A. C. Sanders 2003-4-6 25945 Riverside San Bernardino/Santa Ana River Valley Region: Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  UC37671  Bromus carinatus var. carinatus H. M. Hall 1901-7 2407 Riverside San Jacinto Mountains, in Tamarack Valley Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2804 Comment
  CSUSB427  Bromus diandrus Dean Jones 1966-4-16 Riverside Back yard of 3350 Mulberry Ave. in City of Riverside. 335 Comment
  UCR169471  Bromus hordeaceus John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  SD137962  Bromus madritensis subsp. rubens Darin L. Banks 1995-4-11 173 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; north slope of Agua Tibia mountain; east of the Dripping Springs Alcove area, along the Dripping Springs trail 950 Comment
  UCR120195  Bromus rubens Mitch Provance 1998-3-6 145 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  RSA0034583  Bromus rubens Bonnie C. Templeton, I. W. Clokey 1930-4-9 1008 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  RSA716385  Bromus tectorum Scott D. White, Angelia Carey 2004-4-5 9995 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET14622882  Bromus tectorum S. D. White 1997-5-18 5165 Riverside San Jacinto Mts. Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e. Hwy 243 ca. 10 road mi. SE of Banni 1500 Comment
  JEPS54856  Caesalpinia virgata Mary Beal 1941-4-6 856 Riverside Painted Canyon Mecca Hills (Coachella Valley); Mojave Desert, , , Mecca Hills Comment
  RSA167552  Caesalpinia virgata R. F. Thorne, Robert L. Rutherford 1964-4-12 33656 Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  RSA405294  Caesalpinia virgata Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  RSA498300  Caesalpinia virgata E. C. Jaeger 1922-3-16 749 Riverside Painted canyon, near Mecca. 91 Comment
  UCR198193  Caesalpinia virgata Michael Honer, L. Hulse 2004-4-3 1918 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  CLARK-A1528-3812  Calandrinia ciliata John C. Roos 1952-3-19 5394 Riverside Box Springs Mountains 457 Comment
  RSA612843  Calandrinia ciliata D. L. Banks 1997-3-1 1373 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
  RSA613410  Calandrinia ciliata D. L. Banks 1997-4-5 1681 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  RSA645534  Calandrinia ciliata Scott D. White 1993-3-12 1136 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  VVC421  Calandrinia ciliata F. Zaebst 1959-3-31 s.n. Riverside Santa Ana River Drainage, UC Riverside Campus; 30 yds SW of pond (5 yds NW of water pipe) which is 300 yds NE of Weber Hall. 328 Comment
  RSA286797  Callitriche heterophylla subsp. bolanderi R. F. Thorne 1974-5-23 44660 Riverside Santa Rosa Plateau, Rancho California; near junction of Tenaja Road and road to ranch headquarters. 610 Comment
  POM13642  Callitriche marginata P. A. Munz 1922-5-5 5163 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  MACF019487  Calocedrus decurrens Trudy R. Ericson 1974-11-9 265 Riverside St. 243 from Banning to Idyllwild about 1 mi. south of intersection of St. 243 and Vista Grande Road. 1645 Comment
  RSA748158  Calocedrus decurrens K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 16 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 miles S on Hwy 243 (off I-10). 1632 Comment
  SD229034  Calocedrus decurrens Dick Schwenkmeyer 2012-8-7 786 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  CAS-BOT-BC132459  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  CAS-BOT-BC132460  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  RSA285891  Calochortus splendens D. C. Michener 1982-6-8 4052 Riverside San Jacinto Mts. Slopes on northeast side of Garner Valley immediatly adjacent to valley floor just northwest of jct. of Morris Ranch Road & Ca. 74. Comment
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May 26 2014
  RSA502182  Calochortus weedii var. intermedius Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3720 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  RSA786960  Calochortus weedii var. weedii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49545 Riverside Santa Ana Mountains: along Ortega Highway (74), about 2 miles SSW of El Cariso Comment
  UC1608218  Calochortus weedii var. weedii Steve Boyd and Tim Ross 1992-6-10 7624 Riverside near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) (at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek, San Mateo Canyon); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 405 Comment
  RSA263764  Calycadenia tenella E. W. Lathrop 1968-6-2 6952 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  UCR1625  Calycoseris parryi Leland R. Dykes 1962-4-1 9 Riverside San Bernardino Mtns/ Sonoran (Colorado) Desert, Whitewater Canyon Rd, 4.5 mi north of U.S. 60 732 Comment
  RSA3969  Calycoseris wrightii C. B. Wolf 1932-4-29 3107 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 243 Comment
  RSA45510  Calycoseris wrightii J. C. Roos, L. Roos 1949-4-9 4209 Riverside 30 mi. N of Blythe, near Riverside Mts Comment
  UCR80810  Calyptridium monandrum Scott D. White 1993-5-29 1441 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  CSUSB678  Calystegia macrostegia R. P. Sunderman 1968-4-26 Riverside University of California, Riverside campus 396 Comment
  UCR167819  Calystegia macrostegia John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR116511  Calystegia macrostegia subsp. arida A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20669 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  CAS-BOT-BC221318  Calystegia macrostegia subsp. tenuifolia Peter H. Raven 1959-4-23 14024 Riverside 5.1 miles west of Dripping Springs Comment
  UC1287077  Camissonia C. L. Hitchcock 1966-3-20 24305 Riverside 20 mi n Ogilby (along road to Blythe) Comment
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Mar 2 2013
  CDA39783  Camissonia bistorta Mike Lahti 2014-3-11 s.n. Riverside Bautista Canyon - East Hemet. San Bernardino National Forest. 0 Comment
  RSA157922  Camissonia bistorta P. A. Munz 1927-5-21 10863 Riverside Coahuila. 1372 Comment
  RSA522771  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3878 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR166170  Camissonia bistorta John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR215514  Camissonia bistorta Daphne K. Christopher, Hannah I. Stevens 2003-4-4 085 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR35220  Camissonia bistorta L. B. Ziegler 1967-2-20 108 Riverside San Jacinto Valley, N of Lakeview 427 Comment
  SEINET7040154  Camissonia bistorta A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  UCR167453  Camissonia boothii 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
  RSA162862  Camissonia brevipes John Olmsted 1958-3-30 90 Riverside Dry wash in first hills N of Southern entrance to Joshua Tree National Monument on Cottonwood Pass road with southern drainage toward Salton sea. 838 Comment
  SEINET3005072  Camissonia brevipes G. Rink 2011-5-1 10510 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  RSA134153  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11583 Riverside Colorado Desert. with parents, on roadside embankment at turn to Corn Springs, base of Chuckwalla Mountains. Comment
  RSA49370  Camissonia brevipes subsp. brevipes P. A. Munz 1949-4-12 13040 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  RSA263683  Camissonia californica E. W. Lathrop 1975-8-15 7468 Riverside 5 miles W of Murrieta, Los Gatos Road, on south slope of Mesa de Colorado. Comment
  RSA772126  Camissonia californica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4831 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. 915 Comment
  UCR112554  Camissonia californica A. C. Sanders 1998-3-17 21740 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UC56479  Camissonia campestris subsp. campestris H. M. Hall 1902-4-8 2765 Riverside Valle Vista Comment
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Mar 27 2011
  UC874020  Camissonia campestris subsp. campestris Marcus E. Jones, A. M. 1882-4-24 3168 Riverside San Jacinto Comment
  POM153428  Camissonia cardiophylla M. French Gilman 1927-12-31 s.n. Riverside Pinto Basin, Colo. Desert. Comment
  RSA454733  Camissonia cardiophylla Anstruther Davidson 1903-05 s.n. Riverside Martinez Canon, Thermal. Comment
  RSA454738  Camissonia cardiophylla W. D. Pierce 1940-2-24 s.n. Riverside Painted Canyon, Orocopia Mts. Comment
  RSA651862  Camissonia cardiophylla David B. Dunn 1947-7-12 2982 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  RSA701085  Camissonia cardiophylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11240 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
  UCR144746  Camissonia claviformis Scott D. White 2001-4-18 8364 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  CLARK-A1528-3359  Camissonia claviformis subsp. aurantiaca John C. Roos 1937-4-18 1366 Riverside Snow Creek Comment
  RSA21753  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1937-4-6 8425 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA449181  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Palm Springs. 152 Comment
  SEINET3093303 Image available Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2655 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA766614  Camissonia claviformis subsp. peirsonii Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 174 Riverside Mecca Hill Wilderness. Wash Route off Hwy 195/ Box Canyon Rd. Near wilderness boundary. 366 Comment
  RSA263688  Camissonia hirtella E. W. Lathrop 1968-6-2 6960 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  UCR115337  Camissonia hirtella A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16247 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
  UCR251998  Camissonia hirtella A. C. Sanders, T. B. Salvato 2014-7-2 41159 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR174538  Camissonia ignota Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-21 312 Riverside Peninsular Ranges: Box Springs Mtns., Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  UCR241105  Camissonia ignota A. C. Sanders, Timothy W. Chumley 2013-4-2 40743 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR251711  Camissonia ignota T. B. Salvato 2014-4-9 7837 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  POM9607  Camissonia ignota I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  POM157885  Camissonia intermedia P. A. Munz 1927-5-20 10797 Riverside Mud flat, Murrieta Hot Springs. Comment
  RSA449222  Camissonia pallida subsp. pallida Elizabeth A. White 1928-04 s.n. Riverside Colorado Desert, Indio Rd. Comment
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Oct 23 2011
  RSA458837  Camissonia pallida subsp. pallida N. R. Zabriskie 1973-4-5 621 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  JOTR38649  Camissonia refracta La Doux, Tasha 2004-2-24 1113 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA776943  Camissonia refracta Amber Swanson 2011-3-19 236 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  POM13205  Camissonia strigulosa P. A. Munz, I. M. Johnston 1922-5-20 5466 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  RSA192044  Camissonia strigulosa E. W. Lathrop 1960-5-6 4797 Riverside 10 miles west of Murrieta. Comment
  RSA740955  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-18 12226 Riverside San Jacinto Mountains: K Flat Meadow. 1433 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
  SBBG60416  Camissoniopsis bistorta M. N. Ackley 1928-3-10 751 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UCR241013  Camissoniopsis confusa T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1213 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  JOTR33730  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2730 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  UC279689  Camissoniopsis pallida subsp. pallida Edmund C. Jaeger 1925-12-19 Riverside near Palm Springs; Eagle Canyon 106 Comment
  UCR166112  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16232 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  CLARK-A1528-350  Capsella bursa-pastoris Joe Buriel 1966-2-26 Riverside Lake Matthews 457 Comment
  RSA711763  Carex densa A. C. Sanders 2004-4-20 27567 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  RSA364634  Carex fracta M. B. Dunkle 1933-7-19 3682 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  CAS-BOT-BC117865  Carex sartwelliana S. Parish 1892-1-1 s.n. Riverside San Jacinto Mountains. Comment
  POM14314  Carex subfusca Phillip A. Munz 1922-7-6 6040 Riverside Summit of San Jacinto Peak. 3293 Comment
  SEINET3864289  Carex subfusca Peter F. Zika, Nick Otting 2010-8-30 25237 Riverside Vicinity of Willow Creek, W, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges.; 0 2550 Comment
  UCR265614  Carya illinoinensis Ling-Hsuan Kung 2011-5-31 030 Riverside Riverside, Santa Ana River Regional Park 224 Comment
  CLARK-A1528-462  Cassia armata Charlotte Stocks 1963-6-15 Riverside Coachella Valley Comment
  UC484199  Castela emoryi B. D. Stark April 1929 1268 Riverside Hayfields Colorado Desert, , Hayfields (Chuckawalla Valley) Comment
  POM312121  Castilleja applegatei subsp. martinii N. C. Cooper 1944-6-17 1418 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  RSA773659  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-20 1022 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
  UC886544  Castilleja exserta L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  RSA612477  Castilleja foliolosa D. L. Banks 1997-2-23 1340 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
  RSA711768  Castilleja foliolosa T. B. Salvato, John Green 2004-5-27 633 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  RSA0121436  Castilleja minor subsp. spiralis Duncan S. Bell, LeRoy Gross 2016-3-30 9145 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCD170854  Casuarina cunninghamiana A. C. Sanders; T. B. Salvato 2000-4-21 23349 Riverside Coachella Valley: 3-4 miles north of I-10 on Dillon Road. 61 Comment
  POM94483  Caulanthus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA49352  Caulanthus cooperi P. A. Munz 1949-4-11 13014 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  RSA0120135  Caulanthus hallii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9082 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  SBBG50745  Caulanthus hallii R. S. Woglum 1941-5-17 3055 Riverside Horse Cyn, NE off Coyote Cyn Comment
  SD181645  Caulanthus heterophyllus Scott D. White, Tasha LaDoux 2000-4-20 7678 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UC1287116  Caulanthus heterophyllus C. L. Hitchcock 1966-3-16 24179 Riverside 1/4 mi w Aguanga; w of Aguanga Comment
  UCR104638  Caulanthus heterophyllus D. E. Bramlet, Steve Boyd 1991-5-13 2150 A Riverside Shipley Multi-species reserve. N Domenigoni Hills. 1.37 km SE of the intersection of Warren Road and Simpson Ave., on the large peak in Section 31, near the end of the old mine road Comment
  UCR127574  Caulanthus heterophyllus D. E. Bramlet 2003-4-18 3372 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR136315  Caulanthus heterophyllus Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCSB9774  Caulanthus heterophyllus Haller, John 1957-3-23 Riverside Morongo wash, ca. 4.5 road miles N of U.S. 99 and 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  CAS-BOT-BC48453  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  LA41989  Ceanothus crassifolius W. E. Pequegnat; 1937-8-25 sn Riverside Santa Ana Mountains, Palo Comado SMMNRA, Glen Ivy Trail 457 Comment
  POM262870  Ceanothus crassifolius J. C. Roos 1941-2-1 225 Riverside south of the ''Plateau'', Reche Canyon. Comment
  UCR138820  Ceanothus crassifolius D. L. Banks 1997-2-23 1294 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  RSA575057  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -K Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UCR241239  Ceanothus cuneatus Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 509 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA0019577  Ceanothus cuneatus var. cuneatus Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  UCR154461  Ceanothus cuneatus var. cuneatus Jason L. Hlebakos 2005-5-30 803 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
  UCR135732  Ceanothus greggii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9033 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  LA44859  Ceanothus leucodermis W. Pequegnat; 1939-4-8 45 Riverside Santa Ana Mountains Comment
  RSA399316  Ceanothus leucodermis Gale Sphon 1955-5-21 s.n. Riverside 5 mi. S of Lake Fulmore. Comment
  UC1930018  Ceanothus leucodermis Scott D. White, Justin Wood 2008-5-15 11992 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR174562  Ceanothus leucodermis Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 343 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  CHSC8459  Ceanothus megacarpus var. megacarpus Edward Laidlaw Smith 1958-3-6 351 Riverside Coldwater Canyon, Glen Ivy, on Temescal Canyon Road. Santa Ana Mt. Range. Temescal Creek drainage area. 762 Comment
  RSA3117  Ceanothus oliganthus Carl B. Wolf 1932-2-11 2646 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA569996  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7911 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
  RSA570223  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7892 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA570228  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7897 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  SD131176  Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mile west of lake. Restricted to series of north facing slopes 609 Comment
  RSA221003  Ceanothus palmeri E. W. Lathrop 1966-5-29 6399 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  SBBG4268  Ceanothus perplexans M. Van Rensselaer 1937-7-21 Riverside W of Vandeventer Flat Comment
  UC1392680  Ceanothus perplexans R. F. Hoover 1969-4-13 11227 Riverside Pinyon Flats San Jacinto Mts. Comment
  OBI38364  Cenchrus echinatus David J. Keil 1980-11-30 s.n. Riverside Vicinity of Indio Comment
  CLARK-A1528-4569  Cenchrus pauciflorus John C. Roos, Lucille Roos 1952-7-15 5811 Riverside Hemet 487 Comment
  UCR93835  Centaurea melitensis G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  POM12038  Centaurea melitensis Mary F. Spencer 1921-5-28 s.n. Riverside Saboba Hot Springs Comment
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Apr 1 2013
  CLARK-A1528-2946  Centaurium venustum John C. Roos 1952-6-13 5766 Riverside Reche Canyon 457 Comment
  RSA680488  Centaurium venustum Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9592 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UC1520009  Centaurium venustum Robert Gustafson and Gary Wallace 1983-6-23 2705 Riverside near Clinton Keith Road junction with the Tenaja Road (Clinton Keith Road); Santa Ana Mts. Comment
  UC22693  Centaurium venustum H. M. Hall 1901-6-12 2094 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1371 Comment
  UCR193980  Centaurium venustum A. C. Sanders 2008-7-25 35898 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  RSA405361  Cercidium floridum M. B. Dunkle 1934-3-18 3858 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  SD229256  Cercocarpus betuloides var. betuloides Dick Schwenkmeyer 2012-3-26 669 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  SDSU13900  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR26631  Cercocarpus minutiflorus E. W. Lathrop 1966-3-20 6071 Riverside Cleveland National Forest, 10 mi west of Murrieta on the Tenaja Truck Trail between Tenaja Guard Station and DeLuz, Trabuco District 652 Comment
  RSA0013751  Chaenactis carphoclinia April Garbat, Sarah J. De Groot 2013-3-27 29 -a Riverside Hwy 177 N of Hwy 10, N of Palen Pass Rd. On E side of the road 398 Comment
  RSA776765  Chaenactis carphoclinia Amber Swanson 2011-4-8 383 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SD185127  Chaenactis carphoclinia John F. Green 2005-3-14 Riverside East of north shore of Salton Sea, northnortheast of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29. 24 Comment
  POM15194  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-4-8 425 Riverside Palm Springs Comment
  CAS-BOT-BC276931  Chaenactis fremontii Alice Eastwood 1913-4-30 3002 Riverside Palm Springs Comment
  UC63006  Chaenactis fremontii W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1850 Riverside e base San Jacinto Mt. 914 Comment
  UCSB38653  Chaenactis glabriuscula Cowan, Clark 1978-4-24 Riverside 2.1 mi. (3.3 km.) off Ave. 66 on a dirt road, 1.3 mi. (2 km.) on Ave. 66 from Hwy. 86; Lake Cahuilla Comment
  UC218264  Chaenactis glabriuscula var. glabriuscula P. A. Munz 1922-6-30 5916 Riverside Santa Rosa Santa Rosa Mts., Santa Rosa 1981 Comment
  UC34689  Chaenactis glabriuscula var. glabriuscula E. A. Zumbro 1902-4-1 Riverside near (Box Springs Mt.) Riverside; Box Springs Mt., Riverside Comment
  JOTR16574  Chaenactis stevioides Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. UPPER WILSON CANYON 975 Comment
  UCD20137  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -10 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  UCD20144  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -11 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  UCD20149  Chaenactis stevioides Donald W. Kyhos 1967-3-17 67 -11 Riverside Vidal, junction of Twentynine Palms Road and road ot Derest Center. Near Riverside County line. Comment
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May 22 2013
  RSA0127782  Chaenactis stevioides G. Rink 2013-3-17 11864 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  POM159842  Chaenactis stevioides var. stevioides E. C. Jaeger 1928-3-26 s.n. Riverside Eagle Mts, Colorado Desert. 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
  RSA559924  Chaenactis stevioides var. stevioides Steve Boyd, Carol Boyd, K. A. Boyd 1992-4-19 6913 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
  RSA503422  Chamaesyce albomarginata John Olmsted 1962-5-10 3618 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  RSA232934  Chamaesyce maculata Lewis S. Ross 1967-12-19 67179 Riverside La Quinta. 15 Comment
  RSA727388  Chamaesyce micromera Naomi Fraga, Lisa Rojas 2005-2-10 1377 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SFV11876  Chamaesyce micromera R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  RSA517812  Chamaesyce polycarpa Steve Boyd, Orlando Mistretta 1986-3-13 s.n. Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  SBBG100585  Chamaesyce polycarpa W. L. Halvorson 1977-2-5 77 -14 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SEINET9256499  Chamaesyce polycarpa B. Ertter, J. L. Strachan 1980-5-20 3465 Riverside W side Whitewater Hill, E side Whitewater Wash, NW end of Coachella Valley, N of I-10. 457 Comment
  POM122541  Chamaesyce polycarpa var. hirtella Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  RSA0062771  Chamaesyce setiloba Duncan S. Bell, Evan Meyer 2014-10-21 7649 Riverside Orocopia Mountains; northwestern section of the range; in the vicinity of Hotel California; about 3 air miles northwest of the summit of the Orocopia Mountains. 762 Comment
  RSA444791  Chamaesyce setiloba J. C. Roos 1958-9-28 s.n. Riverside Pinyon Flats, Santa Rosa Mtns. 1220 Comment
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Apr 3 2011
  RSA599303  Chamaesyce setiloba L. C. Wheeler 1954-9-25 7096 Riverside South end of Mule Mountains, near Ripley. Comment
  SEINET6046708  Chamaesyce setiloba Unknown 1954-9-25 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCSB50318  Chamaesyce setiloba Haller, John 1983-3-26 Riverside West side of Cottonwood Spring Road at southern boundary of Joshua Tree National Monument, 1 mile north of Interstate 10 304 Comment
  UCR138819  Chamomilla suaveolens D. L. Banks 1997-2-23 1291 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  SEINET7048180  Cheilanthes covillei Steven R. Hill 2001-5-3 33688 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA180256  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta. Comment
  RSA586044  Cheilanthes newberryi Darin L. Banks, Steve Boyd 1995-3-16 97 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. 536 Comment
  UC42541  Cheilanthes newberryi Brewer 1861-1-30 148 Riverside Temescal Range Comment
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Jan 1 2015
  JEPS19048  Cheilanthes parryi Marjorie D. Clary 1932-3-15 1625 Riverside 12 mi sw Indio; Colorado Desert, Santa Rosa Mts 243 Comment
  JOTR34140  Cheilanthes parryi La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3158 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  UC433200  Cheilanthes parryi J. G. Lemmon 1876-4-26 Riverside San Gorgonio Pass; Mt San Jacinto Comment
  UCR226998  Cheilanthes parryi Jim Andre 2011-2-2 16219 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCSB38684  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  RSA685829  Cheilanthes viscida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Little Palm Canyon fork 305 Comment
  POM219130  Chenopodium album L. C. Wheeler 1932-7-9 923 Riverside Central Ave. 3 mi. N Chino. 244 Comment
  SD73623  Chenopodium californicum Helen V. Witham 1970-5-1 853 Riverside Bautista Canyon, southeast of Hemet. 800 Comment
  RSA0104482  Chenopodium fremontii Duncan S. Bell 2015-9-30 8674 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR20896  Chenopodium fremontii A. C. Sanders 1978-8-27 00281 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  SD227793  Chenopodium murale Scott D. White, Pam Devries 1998-2-9 6081 Riverside La Quinta/ Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing 17 Comment
  CAS-BOT-BC231792  Chilopsis linearis Geo. B. Grant 1906-5-1 170 a-6740 Riverside Colorado Desert at Palm Springs Comment
  UCR142778  Chilopsis linearis C. B. Wolf 1932-4-26 2983 Riverside Sonoran (Colorado) Desert, 8 mi east of Mecca, on Blythe Road 183 Comment
  UCR209593  Chilopsis linearis Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  SEINET12271194  Chilopsis linearis L. S. Rosa 1936-1 36793 Riverside Palm Canyon Desert Comment
  RSA125464  Chilopsis linearis subsp. arcuata E. K. Balls, P. C. Everett 1957-8-20 22665 Riverside Morongo Canyon, 9 1/4 mi n. along rd. to 29 palms for jct. with U.S. Hwy. 60/70/99 671 Comment
  SBBG68705  Chilopsis linearis subsp. arcuata M. N. Ackley 1928-3-31 21 Riverside Painted Cyn 30 Comment
  POM15199  Chimaphila menziesii Mary F. Spencer 1927-6-27 1972 Riverside Tahquitz trail, Idyllwild. 1829 Comment
  UC218130  Chimaphila umbellata P. A. Munz 1922-9-6 6387 Riverside San Jacinto Mts., N. Fork Tahquitz Creek 2209 Comment
  CLARK-A1528-4572  Chloris gayana John C. Roos 1965-9-16 Riverside San Jacinto Comment
  CAS-BOT-BC184871  Chloris virgata Lewis S. Rose 1957-1-9 57025 Riverside La Quinta. 15 Comment
  SD73617  Chorizanthe brevicornu var. brevicornu Helen V. Witham 1970-4-29 828 Riverside sandy flat; 24.3 miles east of Lake Hemet, Hwy 74 395 Comment
  UCR158883  Chorizanthe coriacea Scott D. White 1994-6-14 2067 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA608181  Chorizanthe fimbriata var. laciniata R. S. Woglum 1941-5-17 3052 Riverside Horse Canyon off of Coyote Canyon. Comment
  UCR217653  Chorizanthe leptotheca Karyn L. Drennen, Kim Sparks 2010-6-7 10 Riverside Palomar Mountains foothills, Southwest of Durasno Valley, 5 km north-northeast of Beauty Peak, 1.07 km east of Bonny Lane and 10m north of Bowers Road. 1374 Comment
  RSA525679  Chorizanthe parryi var. parryi Steve Boyd, Arnseth, Rasmussen, Cota 1990-5-3 4550 Riverside Vail Lake area, rolling terrain at jct of hwy R3 and Powerline Rd. NE of the lake. Comment
  SBBG37953  Chorizanthe parryi var. parryi T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR139168  Chorizanthe parryi var. parryi S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR144413  Chorizanthe parryi var. parryi Scott D. White 2001-4-19 8380 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  UCR217548  Chorizanthe parryi var. parryi Diane Menuz 2008-6-20 473 Riverside San Bernardino Mtns. foothills, Bogart County Park, c. 350 m SW of fishing pond 987 Comment
  UCR21954  Chorizanthe parryi var. parryi Steve Boyd 1980-5-11 231 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR260598  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41472 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 2.8 miles east (92 deg. ) of Cabazon, c. 1.1 mi. NNW (340 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 456 Comment
  CAS-BOT-BC257187  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UCR217512  Chorizanthe polygonoides var. longispina Jeff B. Galvin 2008-5-8 043 Riverside Peninsular ranges, Santa Ana Mtns, Santa Rosa Plateau, Sylvan Meadows, along Stevenson Trail 600 Comment
  UCR91227  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park, within and beside the Equestrian Trail, south of the Tucalota Hills and approximately 702 m SE of the park entrance road and 610 m north of East Benton Road, just SW of knoll 1800 ft 524 Comment
  JOTR30969  Chorizanthe watsonii La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1943 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  SBBG61607  Chrysolepis sempervirens M. Lewis 1947-8-26 14 Riverside E slope San Jacinto Mtns 274 Comment
  SD255185  Chrysolepis sempervirens R. F. Thorne, W. Wisura 1977-9-17 50790 Riverside San Jacinto Mountain: slopes of peak. 3171 Comment
  POM10140  Chrysothamnus paniculatus P. A. Munz 1921-5-1 4544 Riverside Morongo Creek 915 Comment
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May 28 2011
  RSA0025897  Chylismia brevipes subsp. brevipes Jim Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  UC1546706  Chylismia brevipes subsp. brevipes Barry A. Prigge 1988-2-21 7837 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UC604862  Chylismia cardiophylla subsp. cardiophylla Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9569 Riverside 2 mi up Painted Canyon; Mecca Hills Comment
  SBBG100299  Chylismia claviformis W. L. Halvorson 1977-3-8 77 -90 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCSB12874  Chylismia claviformis Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash; 3 miles southwest of Palm Desert 426 Comment
  CAS-BOT-BC160616  Chylismia claviformis subsp. aurantiaca Robert F. Thorne 1963-3-29 32379 Riverside Ca. 7 - 8 miles E of Mecca, Mecca Hills 152 Comment
  CAS-BOT-BC160619  Chylismia claviformis subsp. aurantiaca Mrs. R. W. Campbell 1922-3-12 34 Riverside Palm Springs Comment
  JEPS23483  Chylismia claviformis subsp. aurantiaca Marjorie D. Clary 1933-2-26 2060 Riverside Aqueduct Rd North Colorado Desert 243 Comment
  CAS-BOT-BC287959  Cirsium occidentale var. californicum John Thomas Howell 1931-5-31 6601 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  CAS-BOT-BC287960  Cirsium occidentale var. californicum John Thomas Howell 1952-10-24 28862 Riverside San Timeteo Canyon Comment
  UCR193907  Cirsium occidentale var. californicum A. C. Sanders, Mitch Provance 2008-7-11 35775 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  SEINET2050012 Image available Cirsium occidentale var. coulteri Geoffrey Matthews, Jim Hearne & Robin Maetche 1971-5-1 Riverside City limits of Devore. Comment
  RSA0060021  Clarkia epilobioides Robert F. Thorne, Walter Wisura, D. Mitchener 1982-5-24 55195 Riverside Santa Ana Mts., Cleveland National Forest: Along Ortega Hwy. 732 Comment
  RSA618168  Clarkia purpurea subsp. quadrivulnera D. L. Banks 1997-5-5 2018 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR268275  Clarkia rhomboidea Jim Andre 2012-6-15 30537 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  RSA5006  Claytonia parviflora subsp. parviflora Dorothy R. Wolf 1932-3-20 6 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  UC7946  Claytonia parviflora subsp. viridis H. M. Hall Jun 1901 2218 Riverside Onstatt's Valley; San Jacinto Mts. 1981 Comment
  UCR102823  Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-26 20113 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  RSA783234  Claytonia perfoliata J. D. Olmsted 1962-5-2 3470 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  UCR240628  Clematis lasiantha Tracy Tennant, Mitch Provance 1998-6-16 MOR- 423 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR94924  Clematis ligusticifolia Scott D. White 1996-8-15 4458 Riverside San Jacinto Mtns., Idyllwild Area: Unnamed drainage (tributary to Toll Rd. Cyn.) at crossing w/ USFS Rd. directly west of Isomata. 1555 Comment
  SBBG2127  Clematis pauciflora H. and M. Dearing 1939-4-5 3090 Riverside above Hemet Valley on Beaumont Rd Comment
  UC729660  Clematis pauciflora Carl B. Wolf 1932-5-25 3668 Riverside just above fish hatchery Snow Creek Canyon (n. base of San Jacinto Mts.); San Jacinto Mts., Snow Creek Canyon 670 Comment
  RSA440822  Cleome isomeris M. B. Dunkle 1932-3-25 s.n. Riverside Cabazon. Colorado desert. 457 Comment
  RSA525355  Collinsia concolor Steve D. Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4451 -B Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  SFV22081  Collinsia concolor D. S. Bell, V. Arvizu 2010-5-24 1100 Riverside San Jacinto Mountains Garner Valley, about 3 air miles southeast of junction of USFS Road 6S04 and USFS Road 6S13. 1386 Comment
  RSA359865  Collinsia concolor Steve D. Boyd 1986-4-2 1616 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR166148  Collomia grandiflora T. B. Salvato, John F. Green 2004-5-27 550 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
  RSA544410  Conium maculatum Steve Boyd, Timothy S. Ross 1991-6-14 6378 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UCR158854  Convolvulus arvensis Scott D. White 1994-6-23 2093 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA612848  Conyza bonariensis D. L. Banks 1997-3-1 1368 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
  RSA741553  Conyza canadensis Justin M. Wood 2008-9-22 163 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  JEPS6811  Cordylanthus nevinii Carl V. Meyer 1928-7-26 528 Riverside Roach Sawmill site San Jacinto Mountains 2072 Comment
  UCR58456  Cordylanthus nevinii George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  RSA314649  Coreopsis bigelovii R. F. Thorne, Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55487 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA612812  Coreopsis californica D. L. Banks 1997-3-1 1357 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
  UC895237  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6961 Riverside e Keen Post Office; Hillside 1350 Comment
  UCR68872  Cotula australis Steve Boyd, T. S. Ross 1990-5-11 4679 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  RSA614538  Crassula connata A. C. Sanders 1997-3-1 19706 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity, 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  SDSU13954  Crassula connata Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2136 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UC11287  Crassula connata var. erectoides W. H. Brewer 1861-1-29 143 Riverside Temescal Mtns Comment
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Aug 19 2010
  LA28882  Croton californicus P. J. Remple; 1942-3-3 Riverside Garnet Springs near Palm Springs Comment
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Mar 13 2014
  POM14988  Croton californicus var. mohavensis Mary F. Spencer 1922-3-29 246 Riverside Mecca -49 Comment
  UCR21959  Croton setiger Steve Boyd 1980-7-6 320 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR260548  Cryptantha T. B. Salvato, Matt Malle 2014-5-29 8022 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  SD126016  Cryptantha angustifolia F. R. Fosberg 1930-5-17 S 2622 Riverside Deep Canyon Comment
  SEINET3083709 Image available Cryptantha angustifolia George K. Helmkamp, E. Helmkamp 1998-1-17 2546 Riverside Sonoran (Colorado) Desert; Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal 0 Comment
  JEPS20702  Cryptantha barbigera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13245 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  POM3857  Cryptantha barbigera I. M. Johnston 1917-4-4 1053 Riverside Palm Canyon, Colorado Desert. 366 Comment
  RSA796091  Cryptantha barbigera Duncan S. Bell 2009-4-20 311 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC218093  Cryptantha barbigera P. A. Munz, D. Keck 1922-4-9 4757 Riverside near Mecca; Shavers Well 76 Comment
  UC573091  Cryptantha barbigera Herbert L. Mason 1928-3-10 4228 Riverside Hidden Springs Canyon Coachella Mts. Comment
  UC857072  Cryptantha barbigera C. L. Hitchcock 1940-4-3 5932 Riverside 1.5 mi ne Cottonwood Springs (along 29 Palms Road); Joshua Tree National Monument Comment
  UCSB38658  Cryptantha barbigera Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy. 74 from jct. with Hwy. 111 at Indian Wells 950 Comment
  GMDRC4969  Cryptantha barbigera var. fergusoniae J. Andre 2011-2-2 16213 Riverside Coachella Valley: west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point, approx. 5.5. mi. from Jct with I-10 259 Comment
  UCR175233  Cryptantha circumscissa Jim Andre, T. La Doux 2006-4-11 6732 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  SEINET3100711  Cryptantha costata G. Rink, M. Honer, K. Christie 2012-3-19 11083 Riverside NW side of the Mule Mtns, ca 2 miles east of the prison 120 Comment
  JOTR29495  Cryptantha decipiens Andre, Jim, Tasha La Doux 2006-4-26 8150 Riverside Joshua Tree National Park. Upper Long Canyon 1055 Comment
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Apr 16 2014
  RSA586729  Cryptantha intermedia D. L. Banks, S. D. Boyd 1995-5-17 452 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA67310  Cryptantha intermedia G. R. Campbell 1951-4-22 15998 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  RSA709643  Cryptantha intermedia J. Wear 1998-7-8 s.n. Riverside San Jacinto Mtns: Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain. 1372 Comment
  SD227780  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mountains: Morongo Indian Reservation, sandy alluvial slopes among hills on the low pass between Millard Cyn. And Potrero Cr. 750 Comment
  SDSU5389  Cryptantha intermedia H. Wedberg 1962-4-20 902 Riverside About 8 1/2 miles from Hemet, and 1/2 mile from Cranston Ranger Station on road to Mountain ceter and Idyllwild. 610 Comment
  UC79456  Cryptantha intermedia C. R. Orcutt 1890-7-20 Riverside Hemet Valley Comment
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Mar 24 2011
  UCD119854  Cryptantha intermedia Gordon Pilone 1961-3-1 95 Riverside White Water Canyon, one-half mile below fish hatchery in San Bernardino Mountain Range. 457 Comment
  UCR110959  Cryptantha intermedia George K. Helmkamp 1998-6-27 4094 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR47238  Cryptantha intermedia B. G. Pitzer, L. F. LaPre 1987-3-2 0430 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  UCR64629  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan Plateau, Gavilan Mesa 700 Comment
  JOTR35322  Cryptantha maritima Harding, Mitzi, Mark Wheeler 2012-2-28 90 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  POM46800  Cryptantha maritima Mary F. Spencer 1920-3-24 1520 Riverside Rocks near Indian Wells. 9 Comment
  RSA0119973  Cryptantha maritima Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9094 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  RSA735320  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11252 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
  RSA779767  Cryptantha maritima Duncan S. Bell 2010-4-1 673 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  UCR216088  Cryptantha maritima Jim Andre, T. La Doux 2009-2-25 10809 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR241801  Cryptantha maritima A. C. Sanders, Ann Howald 2013-2-28 40564 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR279557  Cryptantha maritima var. pilosa A. C. Sanders, Jim Malusa 2017-3-29 43196 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  RSA562062  Cryptantha micrantha Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6921 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
  UC100866  Cryptantha micrantha H. M. Hall 1905-4-28 5938 Riverside McCoy Wash Colorado Desert Comment
  RSA0014940  Cryptantha micrantha var. lepida LeRoy Gross, Evan Meyer 2013-5-21 6119 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point. 1631 Comment
  RSA618174  Cryptantha micromeres D. L. Banks 1997-5-5 2012 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
  UCR228936  Cryptantha microstachys A. C. Sanders 2011-4-6 39004 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCSB46749  Cryptantha muricata Roos, John 1950-4-15 Riverside Summit of Reche Canyon 792 Comment
  JEPS122475  Cryptantha muricata var. jonesii J. M. Andre 2012-6-15 30532 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
  RSA0079314  Cryptantha muricata var. jonesii T. B. Salvato, A. C. Sanders 2005-5-17 892 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  RSA0079568  Cryptantha muricata var. jonesii J. C. Roos 1950-4-15 4732 Riverside The summit of Reche Canyon. 793 Comment
  SBBG118507  Cryptantha muricata var. muricata S. C. White 1999-5-24 7397 Riverside San Jacinto River Wash; just N of City of San Jacinto, ca. 1 mi SE of State St Bridge 460 Comment
  SBBG34216  Cryptantha muricata var. muricata H. Haid 1969-5-11 Riverside Bautista Cyn, ca. 20 mi SE of Hemet 914 Comment
  POM14165  Cryptantha nevadensis P. A. Munz, D. D. Keck 1922-4-9 4800 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  UCR75086  Cryptantha nevadensis A. C. Sanders, E. J. Lawlor 1992-4-4 12144 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR244733  Cryptantha pterocarya var. cycloptera Jim Andre 2012-3-19 21351 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  POM13261  Cryptantha racemosa E. C. Jaeger 1922-3-4 1109 Riverside Painted Canyon near Mecca. Comment
  UC61111  Cryptantha torreyana Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR252229  Cucurbita foetidissima Marissa Manahan 2011-5-28 s.n. Riverside Box Springs Mtns., Riverside 462 Comment
  UC68691  Cucurbita palmata H. M. Hall Apr., 1905 5820 Riverside Indio Mt. Colorado Desert, Indio Mt. 152 Comment
  RSA263654  Cupressus forbesii E. W. Lathrop 1977-4-20 7607 Riverside Beford Truck Trail of the Cleveland Nat'l. Forest, Trabuco District. 3.8 miles below the Main Divide Truck Trail and the North side of the Bedford Truck Trail. 914 Comment
  JOTR01148  Cuscuta Cole, James E. 1941-6-14 890 Riverside Joshua Tree National Park. QUAIL WASH 1066 Comment
  RSA101225  Cuscuta californica David B. Dunn 1947-7-12 2971 Riverside Pushawalla Canyon, Indio Hills. About 1/4 mile above the palms Comment
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May 24 2012
  RSA180434  Cuscuta californica E. W. Lathrop 1960-6-10 4991 Riverside Rocky meas slope of a grassland savanna plateau Comment
  UCR174305  Cuscuta californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32646 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR31665  Cuscuta californica var. papillosa John C. Roos 1946-12-7 3184 Riverside Western Colorado Desert, Pushawalla Wash Comment
  RSA544313  Cuscuta ceanothi Steve Boyd 1991-7-13 6420 Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  CAS-BOT-BC56145  Cylindropuntia californica var. parkeri Carl B. Wolf 1938-1-5 9385 Riverside Field redacted by CAS, contact the data manager for more information 548 Comment
  SEINET5624469 Image available Cylindropuntia chuckwallensis Marc A. Baker 2013-3-20 17720 .3 Riverside 800m south of Smoke Tree Wash, 5.5 km north of Cottonwood Spring, 40 km NE of Indio 945 Comment
  RSA0098478  Cylindropuntia ganderi var. ganderi Marc A. Baker 2015-7-4 18385 .2 Riverside San Jacinto Mountains, 25 km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain. 1236 Comment
  UCR114205  Cylindropuntia prolifera A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23645 Riverside Temecula Valley, gasline route on east edge of Temecula, c. 2 km SW of Skunk Hollow and 1 km north of Nicolas Rd., north side of next arroyo north of Santa Gertrudis Creek, NE of elementary school 381 Comment
  JEPS66893  Cylindropuntia ramosissima W. L. Jepson 1928-4-25 12622 a Riverside Cottonwood Spr. n. Colorado Desert, Cottonwood Mts. 731 Comment
  CLARK-A1528-1430  Cymopterus panamintensis var. acutifolius John C. Roos 1947-2-15 3243 Riverside Eagle Mountains Comment
  SD137959  Cynodon dactylon Darin L. Banks, Steve Boyd 1995-5-3 279 Riverside Cleveland National Forest, Aqua Tibia Wilderness Area. N slope, E of Drippong Springs Alcove Area. 512 Comment
  POM10323  Cyperus esculentus Anonymous s.n. Riverside Below West Riverside bridge. Comment
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Mar 15 2014
  RSA588665  Cyperus odoratus Darin L. Banks, Steve Boyd 1995-10-17 820 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 narrow benches where Arroyo Seco turns to the E., Just W of the Metasedimentary hills. 524 Comment
  RSA613957  Cyperus odoratus A. C. Sanders 1994-7-27 15164 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 246 Comment
  UCR41433  Cyperus odoratus Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  SEINET9886881 Image available Cyperus squarrosus Andrew C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23063 Riverside San Jacinto Mtns.; NW shore of Lake Hemet, at Forest Service day use area; TRS: 6S 3E 8 NW/4 1322 Comment
  CAS-BOT-BC198202  Cytisus striatus R. Leen 1987-4-8 s.n. Riverside South of Temecula on Interstate 15, W side of road between Front Street and Rainbow Valley Road exits. Comment
  CDA20776  Dactyloctenium aegyptium M. Lahti 2006-9-18 PDR 1357285 Riverside Island Growers, 43401 Anza Rd., Temecula. In Ivy stock containers.Mostly southern US weed, occasional in California. 0 Comment
  CSUSB1205  Dalea californica Patricia Healy 1968-5-4 Riverside Whitewater Canyon in a riparian wash 1.5 miles from highway 60. Comment
  RSA675051  Dalea mollis Scott D. White, Bill La Haye 2001-4-28 8432 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  RSA782195  Dalea mollis Duncan S. Bell 2011-10-22 2982 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
  JOTR35379  Dalea mollissima Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 168 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  SEINET10389804  Dalea mollissima A. C. Sanders, Jim Malusa 2015-3-11 41391 Riverside Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 722 Comment
  POM48728  Datisca glomerata P. A. Munz, I. M. Johnston 1924-7-29 8833 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA595921  Datura wrightii D. L. Banks, Lauren Raz 1996-11-5 1180 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
  UCR145967  Datura wrightii June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR16392  Datura wrightii J. R. Sweeten 1965-5-15 017 Riverside San Bernardino Mtns., White Water Canyon Road, about 3 mi from its jct with Hwy 60 549 Comment
  UCR94958  Datura wrightii Scott D. White 1996-9-22 4528 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  CLARK-A1528-139  Daucus pusillus 1969-5-14 Riverside Box Springs Mountains 396 Comment
  UC63696  Daucus pusillus H. M. Hall May 17 1901-Jun 1 1901 1818 Riverside San Jacinto River Canyon Comment
  UCR116988B  Daucus pusillus A. C. Sanders, T. B. Salvato 2001-5-3 24075 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UC1519491  Deinandra fasciculata Robert Gustafson and Gary Wallace 1983-6-23 2720 Riverside along Clinton Keith Road ca 2 1/2 mi from its junction Hwy 15; Santa Ana Mts. Comment
  UC480887  Deinandra fasciculata S. B. Parish 1916-7-8 10773 Riverside pass road to Riverside Comment
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Apr 16 2011
  UCSB37786  Deinandra fasciculata Roos, John 1965-6-19 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  UCR253002  Deinandra mohavensis R. E. Riefner Jr. 2013-6-15 13- 118 Riverside Garner Valley, north side of Hwy 74 c. 0.45 mi east of Thomas Mountain Road (Forest Route 6S130), Little Thomas Mountain area 1386 Comment
  SD187346  Deinandra paniculata R. e. Riefner Jr. 2007-6-16 07 263 Riverside Hemet, Bautista Canyon, 2.8 miles east of Fairview Ave. on Bautista Rd. 693 Comment
  UCR16750  Delphinium parishii B. A. Carlson 1978-4-30 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 396 Comment
  RSA525282  Delphinium parryi Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4596 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR4123  Delphinium parryi Ronald M. Cope 1965-5-3 s.n. Riverside Box Springs Mtns., west side of road between Pigeon Pass Road and 'Big C', about 1 mi from 'C 610 Comment
  UC1126348  Dendromecon rigida R. St. John 1931-3-25 198 Riverside e Sierra Peak; Corona Quadrangle; SBM 762 Comment
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Nov 27 2011
  UCR243170  Dendromecon rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4336 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  POM12965  Dendromecon rigida subsp. rigida P. A. Munz, I. M. Johnston 1922-5-19 5406 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA433555  Dendromecon rigida subsp. rigida H. de Forest, Jack Rempel 1933-6-25 18018 Riverside San Jacinto Mtns; northern slope 1128 Comment
  RSA66258  Dendromecon rigida subsp. rigida F. W. Peirson 1924-7-29 5025 Riverside Road between Banning and Idyllwild. 1768 Comment
  RSA0013137  Deschampsia danthonioides LeRoy Gross, Caitlin Elam 2013-5-14 6076 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR110458  Deschampsia danthonioides D. E. Bramlet 1998-4-22 2604 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
  RSA777344  Descurainia pinnata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4708 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 W116.65120 604 Comment
  RSA500069  Descurainia pinnata subsp. glabra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3242 Riverside Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 487 Comment
  CAS-BOT-BC500848  Dichelostemma capitatum Milo S. Baker 1928-4-3 2807 b Riverside Tahquitz Canyon near Palm Springs Comment
  CAS-BOT-BC292192  Dicoria canescens Alice Eastwood 1913-4-30 3110 Riverside Palm Springs Comment
  RSA707354  Dicoria canescens Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 05 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
  RSA770883  Dicoria canescens Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4639 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  LA102182  Digitaria ischaemum John C. Roos; 1965-9-28 sn Riverside San Jacinto Comment
  RSA554294  Digitaria sanguinalis Scott D. White 1992-2-25 92 -7 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
  UCR207344  Digitaria sanguinalis O. F. Clarke 2004-5-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM301714  Digitaria sanguinalis J. C. Roos 1937-8-17 2547 Riverside San Jacinto. Comment
  RSA0019287  Diplacus brevipes Christopher Davidson 1975-6-16 2812 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  CAS-BOT-BC150877  Diplacus puniceus C. L. Hitchcock; C. V. Muhlick 1964-3-17 23105 Riverside 10 miles n. of Pala, on road to Elsinore Comment
  CAS-BOT-BC195680  Distichlis spicata Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UC53550  Distichlis spicata J. E. Roadhouse 1903-7-16 6 Riverside Salton Sink Comment
  UCR216217  Ditaxis californica Jim Andre, T. La Doux 2009-2-25 10802 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  POM184044  Ditaxis claryana P. A. Munz 1932-3-14 12002 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  CLARK-A1528-2692  Ditaxis lanceolata John C. Roos 1946-11-30 3165 Riverside Chuckwalla Mountains Comment
  UCR218469  Ditaxis lanceolata Jim Andre, T. La Doux 2009-3-10 11257 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  CAS-BOT-BC43635  Dithyrea californica Ira L. Wiggins 1941-3-24 9563 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  CSUSB520  Dithyrea californica K. W. Brown 1966-3-16 S. N. Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  UCR223981  Dittrichia graveolens Lee Jones 2010-11-19 s.n. Riverside Beaumont, San Timoteo Canyon Rd. at entrance to golf course maintenance bldg., c. 1.8 mi. west of intersection with I-10 701 Comment
  UCR51369  Dodecatheon clevelandii A. C. Sanders 1988-1-30 7592 Riverside Peninsular Range, Eastern foothills of the Santa Ana Mountains, c. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80 acre property to the NW; north of Cherry St., west of Adams Ave, south of Meadowlark Ridge Lane and Elm St 366 Comment
  RSA0088541  Downingia bella Giovanni Rodriguez 2016-4-2 16 Riverside Santa Ana mountains, Santa Rosa Plateau (vernal pool trail head). 625 Comment
  UCR113630  Downingia cuspidata June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  RSA495416  Draba cuneifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2941 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA776296  Draba cuneifolia Duncan S. Bell, Amanda Turek 2010-4-10 828 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  POM370050  Draba cuneifolia var. integrifolia W. M. Zabriskie 1973-2-16 113 Riverside Upper Pipistrelle Canyon, Deep Canyon drainage. N slope Santa Rosa Mrns. 762 Comment
  UCR18804  Draba cuneifolia var. integrifolia John C. Roos 1952-2-29 5369 Riverside San Bernardino Valley, [upper] Reche Canyon 549 Comment
  POM212327  Drymocallis glandulosa Carl B. Wolf 1931-5-11 1961 Riverside San Jacinto Mountains: rocky places near Pipe Creek, above Hemet Valley 1677 Comment
  RSA692504  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  UCR240657  Dryopteris arguta Tracy Tennant, Mitch Provance 1998-6-16 MOR- 428 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA741584  Dudleya abramsii subsp. abramsii Scott D. White, Justin M. Wood 2008-6-17 12192 Riverside San Jacinto Mountains: Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  JEPS49886  Dudleya lanceolata W. L. Jepson 1914-5-25 6069 Riverside San Gorgonio Pass 548 Comment
  RSA388326  Dudleya multicaulis Steve Boyd 1986-5-7 1838 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA779017  Echinocactus polycephalus var. polycephalus Duncan S. Bell 2010-4-1 677 Riverside Arica Mountains: east side of mountain range approximately 1.5 air miles northwest of Priests Well, and approximately 5.7 air miles southwest of the ghost town of Rice. 389 Comment
  UC1457288  Echinocereus engelmannii P. A. Munz 1921-5-1 4486 Riverside near Pinyon Wells (s edge of desert); Mojave Desert 1219 Comment
  RSA741558  Echinochloa colona Justin M. Wood 2008-9-30 174 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA782131  Echinochloa colona Stephanie Rockwood, Christi Gabriel 2011-10-18 130 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  SDSU17678  Ehrharta longiflora Jerry Jenkins 2001-4-2 2001 -051 Riverside West of S.M. River, UTM zone 6, 481900E, 3699850N. Comment
  UC219278  Elatine californica P. A. Munz and I. M. Johnston 1922-5-21 5520 Riverside Hemet Valley San Jacinto Mts 1386 Comment
  UC1950033  Elatine californica R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55207 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  RSA575831  Eleocharis acicularis var. acicularis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, western edge of the Gavilan Plateau at the head of Dawson Canyon. 585 Comment
  UCR89390  Eleocharis geniculata A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15872 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  CAS-BOT-BC112921  Eleocharis macrostachya A. C. Sanders; K. C. Rose 1968-5-15 6875 Riverside Domenigone Valley: upper Warm Springs Creek between Hwy79 (Winchester Rd) and Scott Rd. 432 Comment
  JEPS19325  Eleocharis parishii Carl V. Meyer 1928-7-30 594 Riverside near Idyllwild (Saunders Meadow); San Jacinto Mountains Comment
  HSC80291  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Rd., 0.8 mi. E of the junction w/ FS Rds. 8S01 & 8S02 671 Comment
  RSA699627  Ellisia chrysanthemifolia Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  SD137954  Elymus condensatus Darin L. Banks 1995-10-17 786 Riverside Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, S of the Dripping Springs Campground, on broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA489830  Elymus elymoides D. Charleton 1988-5-28 2124 Riverside Santa Rosa Mountains. South of Highway 74 dirt road to Toro and Santa Rosa Peaks. Alt. 7500 ft. 2287 Comment
  RSA6025  Elymus glaucus subsp. jepsonii C. B. Wolf 1932-8-5 3942 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  RSA679220  Elymus glaucus var. glaucus Fred M. Roberts 2003-6-25 5914 Riverside Just NE of Falcon roup Camp, 2.1km ESE Los Pinos Peak just west of main road. 1009 Comment
  UCR192701  Elymus hispidus Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1692 Riverside San Jacinto Mountains, east of Fobes Ranch Road, just south of Fobes Ranch 1585 Comment
  UCR252007  Elymus hispidus A. C. Sanders, T. B. Salvato 2014-7-2 41185 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA674940  Elymus trachycaulus Scott D. White, Bill La Haye 2000-5-27 7947 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR2102  Elymus trachycaulus F. M. Reed 1908-7-14 2471 Riverside San Jacinto Mtns., canyon on road to Strawberry Valley [Old Control Rd. from Oak Cliff, vicinity of Halfway Spring] 1220 Comment
  RSA740648  Elymus trachycaulus subsp. trachycaulus Scott D. White, Justin M. Wood 2008-6-19 12273 Riverside Meadows at Baldy Mtn. 1585 Comment
  JEPS1577  Emmenanthe penduliflora L. M. Newlon 1922-4-4 445 Riverside Andreas Canyon; San Jacinto Mts. Comment
  RSA699653  Emmenanthe penduliflora Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  UC1088551  Emmenanthe penduliflora Peter H. Raven 1958-5-18 12988 Riverside Pinyon Flats; San Jacinto Mountains Comment
  UCR178001  Emmenanthe penduliflora 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
  UCR123822  Emmenanthe penduliflora var. penduliflora Steven R. Hill 2001-5-3 33661 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
  LA206365  Encelia actoni Norman C. Cooper; 1944-5-6 1195 Riverside Banning, along railroad 701 Comment
  UCD131193  Encelia actoni William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR133972  Encelia actoni Mitch Provance, J. S. Ross 1998-3-27 MOR- 979 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  UCSB38732  Encelia actoni Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  CAS-BOT-BC131342  Encelia farinosa Ira L. Wiggins 1941-3-24 9577 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  HSC66629  Encelia farinosa Christopher Davidson 1979-4-4 7731 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  UC472863  Encelia farinosa M. F. Spencer 1922-4-2 Riverside Colorado Desert; Desert Floor, Palm Springs Comment
  UCD131206  Encelia farinosa K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR100290  Encelia farinosa B. G. Pitzer 1997-4-20 3176 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR119416  Encelia farinosa Mitch Provance 1998-2-13 42 Riverside Jurupa Mountains, Glen Avon Hts., .2 km. north of Campbell St., along the SW portion of the range. 262 Comment
  UCR233584  Encelia farinosa A. C. Sanders, John F. Green 2012-3-26 39994 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, near I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 395 Comment
  UCR244070  Encelia farinosa Jim Andre 2012-4-16 20897 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
  RSA38703  Encelia farinosa var. farinosa Percy C. Everett 1945-6-7 11507 Riverside Roadside on dry gentle slope in Franciscan sand stone, Santa Ana Mts, Indian Canyon, 0.5 miles above US Forest Service gate on Indian Canyon True. 457 Comment
  RSA554022  Encelia farinosa var. farinosa A. C. Sanders, E. J. Lawlor 1992-4-4 12129 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  POM93893  Encelia farinosa var. farinosa F. W. Peirson 1922-4-9 1331 Riverside Palm Canyon Region, near Palm Springs. Comment
  RSA761294  Encelia frutescens Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-5-25 217 Riverside Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62. 420 Comment
  SBBG119451  Encelia frutescens A. C. Sanders 1989-9-19 9494 Riverside along Ridge Rd; Chocolate Mtns Aerial Gunnery Range 457 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
  CAS-BOT-BC81537  Ephedra californica Ynez Whilton Winblad 1937-3-18 s.n. Riverside 29 Palms Canyon Comment
  UC299126  Ephedra californica Frank A. Thackery 1927-3-1 Riverside near Garnet 304 Comment
  UCR137682  Ephedra nevadensis A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al. 1995-5-5 15986 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Manirobra Valley, 1.6-3 mi south of frontage road (old 60) along I-10, S to edge of BLM wilderness 187 Comment
  UCR161443  Epilobium canum A. C. Sanders, Mike Misenhelter 2005-9-20 31679 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  SD122931  Epilobium canum subsp. canum Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S02 Comment
  CAS-BOT-BC171751  Epilobium canum subsp. latifolium Philip A. Munz 1946-10-19 11563 Riverside Coachella [Coahuila] 1097 Comment
  CAS-BOT-BC5226  Epilobium canum subsp. latifolium Winifern W. Swarth 1914-9-9 s.n. Riverside San Jacinto Mts. Comment
  JOTR36392  Epilobium canum subsp. latifolium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3345 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  RSA38400  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Cottonwood Springs; Joshua Tree National Monument. 1098 Comment
  RSA448508  Epilobium canum subsp. latifolium N. R. Zabriskie, W. M. Zabriskie 1972-10-22 547 Riverside Cactus Spring Trail between Dolomite mine & Horsthief Canyon; N slope Santa Rosa Mountains. (E of site 13). 1098 Comment
  UCR94929  Epilobium ciliatum Scott D. White 1996-8-15 4464 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  RSA588337  Epilobium ciliatum subsp. ciliatum E. A. McGregor 1964-9-16 s.n. Riverside Idyllwildm San Jacinto Mountains. Comment
  POM3144  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1901-6-3 2377 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA618001  Epilobium pygmaeum R. E. Riefner Jr. s.n. Riverside Elsinore Trough between Willard and Murrieta Creek; Wildomar. Comment
  CLARK-A1528-3378  Epipactis gigantea John C. Roos 1948-5-29 3870 Riverside Whitewater Canyon Comment
  RSA249865  Epipactis gigantea Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38152 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA263778  Epipactis gigantea R. Weatherby 1950-5-18 2967 Riverside Hagador [Hagador Canyon]. 396 Comment
  RSA382720  Epipactis gigantea George Henry Grinnell 1924-5-24 s.n. Riverside Riverside. Comment
  UC472747  Epipactis gigantea M. F. Spencer 1922-6-23 33 Riverside near Idyllwild; Colorado Desert, San Jacinto Mt. Comment
  UCR230605  Eragrostis mexicana subsp. mexicana A. C. Sanders 2011-9-15 39891 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  RSA653239  Eragrostis mexicana subsp. virescens Mitch Provance, A. C. Sanders 2000-7-4 2081 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCR166193  Eremalche exilis Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  UCR198170  Eremalche exilis Michael Honer, Theresa Miller 2005-3-11 2065 Riverside Northeastern Colorado Desert, Rice Valley, 4.5 mi south-southeast of Rice, 1.5 mi east of ATSF railway 220 Comment
  UCSB9703  Eremalche rotundifolia Leeuwen, Henry 1957-4-13 Riverside Next to US 60, near juncture with Cal 195 Comment
  JEPS31754  Eremothera refracta W. L. Jepson 1928-4-25 12595 Riverside n Mecca; Cottonwood Mts., Cottonwood Spr. Comment
  CAS-BOT-BC514311  Eriastrum densifolium subsp. austromontanum C. Epling; Wm. Robison 1933-6-25 s.n. Riverside Little San Bernardino Mountains: Black Rock near Warren's Well 1371 Comment
  RSA0108902  Eriastrum densifolium subsp. austromontanum Robert Kessler 1920-1 17054 Riverside San Jacinto Mts. Comment
  UCR35046  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1964-7-2 005 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  SEINET3218487 Image available Eriastrum eremicum Peter L. Morrell, D. E. Krause 1995-5-1 460 Riverside Sonoran (Colorado) Desert; Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd., near cargo entrance to Palm Springs Municipal Airport (Palm Springs 7.5' Q.) 123 Comment
  CAS-BOT-BC514475  Eriastrum eremicum subsp. eremicum Alice Eastwood 1913-4-30 2984 Riverside Palm Springs Comment
  UCD118275  Eriastrum eremicum subsp. eremicum A. C. Sanders 1988-5-11 7810 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 548 Comment
  RSA0120083  Eriastrum eremicum subsp. eremicum Alan Prather, Alice Hempel 1993-5-16 1343 Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. 400 Comment
  RSA0120092  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs, Joshua Tree National Monument. Comment
  SD249590  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  UC552457  Eriastrum sapphirinum Carl V. Meyer June, 1927 152 Riverside Temecula Comment
  UCR112491  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2000-5-30 23441 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
  UCR260570  Eriastrum sapphirinum T. B. Salvato 2014-5-29 8032 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCR48399  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd 1986-5-7 1844 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA0121564  Eriastrum sapphirinum subsp. dasyanthum Christopher Davidson 1975-6-16 2807 Riverside Ca. 4 miles S of Banning on road R1 to Idyllwild. Level saddle between two peaks. 1128 Comment
  RSA239812  Ericameria linearifolia C. W. Tilforth 1973-4-29 780 Riverside Along Hwy 74 between Alpine Village & Paradise Valley , 1 miles E of jct with Santa Rosa Mtns, fire road. Comment
  RSA297386  Ericameria linearifolia Larry E. DeBuhr 1972-3-24 533 Riverside Santa Rosa Mts. along forest road 7S02 in San Bernardino National Forest 1768 Comment
  RSA770854  Ericameria linearifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4934 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SBBG62898  Ericameria nauseosa var. mohavensis J. E. Butner 1948-10-3 657 Riverside San Jacinto Mtns on St Hwy 74 Comment
  POM318593  Ericameria palmeri var. pachylepis Patricia Wilder 1970-10-15 4799 Riverside Prado Dam; by entry gate on west end of top of dam; Chino Hills; Santa Ana River. 183 Comment
  JOTR33714  Ericameria paniculata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1002 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  RSA552731  Ericameria pinifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6753 a Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UC63169  Ericameria pinifolia H. M. Hall 1901-6-1 Riverside Onstatt's Valley San Jacinto Mts. Onstatt Valley 1615 Comment
  POM96254  Ericameria pinifolia E. C. Jaeger 1925-12-23 s.n. Riverside Aguanga. Comment
  UC68919  Erigeron divergens H. M. Hall 1905-4-27 5881 Riverside Chuckawalla Bench Comment
  SDSU13546  Erigeron foliosus var. foliosus W. Miller, C. Mosse 1972-7-11 Riverside Roadside 150 yards east of dam by road. Comment
  POM182241  Erigeron foliosus var. stenophyllus P. A. Munz 1932-4-24 12400 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  CAS-BOT-BC189084  Eriodictyon crassifolium Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 269 Riverside Adjacent to and above stream below Andreas Canyon Club clubhouse, Andreas Canyon 304 Comment
  JEPS57  Eriodictyon trichocalyx M. D. Clary 1932-4-3 1030 Riverside 8 mi w Indio (Indian Wells, Whitewater Wash); Colorado Desert, Indian Wells, Whitewater Wash 30 Comment
  RSA0104493  Eriogonum apiculatum Duncan S. Bell 2015-9-30 8662 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA393080  Eriogonum apiculatum Anstruther Davidson 1930-1 s.n. Riverside Tahquitz Ridge. 2439 Comment
  RSA639024  Eriogonum apiculatum Louis C. Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River. 2378 Comment
  SEINET6328742  Eriogonum apiculatum Richard Walker 1967-9-30 92 Riverside South of Black Mountain Camp ca 300 yards on east side of road embankment ca 4 yards off; San Jacinto Mountains 2103 Comment
  UCD159799  Eriogonum apiculatum Louis C. Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River. 2377 Comment
  CLARK-A1528-3634  Eriogonum davidsonii Robin L. Kobaly 1977-8-26 Riverside San Jacinto Mountains Comment
  RSA639582  Eriogonum davidsonii Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53569 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains. 1098 Comment
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Apr 25 2011
  RSA554244  Eriogonum deflexum var. deflexum Theo Glenn 1991-5-30 91 -120 Riverside Mule Mtns, 0.2 mi. E of the Opal Hill Mine, just N of the Imperial County line and W of Palo Verde. Comment
  RSA735221  Eriogonum deflexum var. deflexum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11244 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
  UCR260543  Eriogonum fasciculatum subsp. polifolium T. B. Salvato 2014-5-29 8026 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  RSA192060  Eriogonum fasciculatum var. foliolosum E. W. Lathrop 1965-4-26 5697 Riverside 4 miles southwest of Murrieta. 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
  SBBG35134  Eriogonum fasciculatum var. polifolium T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  SD93053  Eriogonum fasciculatum var. polifolium W. Bertsch 1954-5-1 530 Riverside Road from Banning to Idlewild 914 Comment
  UC1329836  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-21 765 Riverside Quartz Outcrop Joshua Tree National Monument, Quartz Outcrop 914 Comment
  UCR133320  Eriogonum gracile 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
  RSA562608  Eriogonum gracile var. gracile Steve Boyd 1992-10-14 7718 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak. 976 Comment
  UCR21140  Eriogonum gracile var. incultum 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
  RSA766083  Eriogonum inflatum Joseph A. Ewan 1930-4-18 3087 Riverside Dry Morongo Creek below Morongo Valley. 518 Comment
  SEINET3087580 Image available Eriogonum inflatum John Adams 1965-4-17 135 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. 244 Comment
  UC535088  Eriogonum inflatum Susan G. Stokes 1933-4-9 52 Riverside near Banning Comment
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Dec 17 2016
  JEPS56845  Eriogonum inflatum var. inflatum W. L. Jepson 1914-5-18 6017 Riverside stream bed near County Well (on grade from Pinyon Well to Indio) 304 Comment
  RSA393662  Eriogonum maculatum M. B. Dunkle 1933-5-6 3404 Riverside Colorado Desert. Dry Morongo Creek Comment
  JEPS56702  Eriogonum molestum W. L. Jepson 1903-8-6 2281 Riverside Chalk Hill San Jacinto Mt. (trip to Spruce Canyon) 1524 Comment
  RSA339230  Eriogonum nidularium Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-23 53598 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA64583  Eriogonum pusillum F. W. Peirson 1928-4-24 7912 Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  RSA698445  Eriogonum pusillum J. R. Bruff 1928-4-2 85 Riverside Whitewater. Comment
  UCD80952  Eriogonum reniforme Chuck Hughes 2009-3-23 63 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  CAS-BOT-BC263517  Eriogonum thomasii H. M. Hall 1905-4-1 5812 Riverside 10 miles west of Coachella 152 Comment
  HSC88767  Eriogonum thomasii Elizabeth Neese 1979-4-11 7093 Riverside Between Blythe and Rice, 11 mi. NW of Blythe. 305 Comment
  JOTR31860  Eriogonum thomasii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2117 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  SD103935  Eriogonum thomasii J. L. S. Simpson 1965-5-14 Riverside Toward the New York Mountains Comment
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Mar 23 2014
  UCR36108  Eriogonum thomasii R. F. Thorne 1983-4-23 55503 Riverside San Bernardino Mtns., On the south end of ridge at mouth of Whitewater Canyon, east of bridge, 'about 3.3 mi. north of Whitewater Post Office' [!??] 427 Comment
  POM14236  Eriogonum thurberi P. A. Munz, I. M. Johnston 1922-5-6 5168 Riverside Colorado Desert, dry Morongo Wash. Comment
  UCR118213  Eriogonum thurberi Mitch Provance 1999-5-4 1694 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR102942  Eriogonum trichopes var. trichopes George K. Helmkamp 1998-4-4 3142 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  POM204399  Eriogonum wrightii var. membranaceum F. M. Reed 1934-9-26 8973 Riverside San Jacinto Mountains. 1341 Comment
  LA207107  Eriogonum wrightii var. nodosum Carl Epling; William Robison 1933-6-26 Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  JOTR16821  Eriogonum wrightii var. wrightii Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF DESERT QUEEN MINE 1341 Comment
  UCR111771  Eriophyllum confertiflorum Mitch Provance 1998-3-17 223 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR230932  Eriophyllum confertiflorum T. B. Salvato, Richard Camacho 2011-6-12 5488 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  GMDRC2040  Eriophyllum confertiflorum var. confertiflorum J. Andre 2006-4-26 6746 Riverside Little San Bernardino Mountains: Joshua Tree National Park: about 0.5 mi. NNE. of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary. Near 34.07623 deg. N 116.44711 deg. W. Elev. 4332 ft. 1321 Comment
  SD133183  Eriophyllum confertiflorum var. confertiflorum Scott White 1991-5-13 91 85 Riverside Highway 79 immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  UC597602  Eriophyllum confertiflorum var. confertiflorum Philip A. Munz 1937-5-30 15096 Riverside n of Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  POM358163  Eriophyllum lanosum Anstruther Davidson 1922-4-1 3527 Riverside Palm Springs. Comment
  CAS-BOT-BC301784  Eriophyllum multicaule Frank W. Peirson 1922-4-29 2927 Riverside Road to Leach Canon [Canyon], Elsinore Comment
  UCR101841  Eriophyllum multicaule B. G. Pitzer 1997-4-1 3056 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  SEINET7007897  Eriophyllum multicaule W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  CAS-BOT-BC302037  Eriophyllum wallacei Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  RSA651112  Eriophyllum wallacei J. Bruce Smiley 1940-3-16 s.n. Riverside Whitewater. 610 Comment
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Jan 14 2010
  UCR103993  Eriophyllum wallacei George K. Helmkamp 1998-4-3 3078 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  RSA681880  Erodium brachycarpum Scott D. White 2001-3-13 8163 Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  RSA776015  Erodium cicutarium Duncan S. Bell 2010-3-20 613 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UC17078  Erodium cicutarium Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR178525  Erodium cicutarium R. G. Swinney 1967-2-12 0027 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCSB54162  Erodium cicutarium McKinley, Gale 1985-3-26 Riverside 100 yards east of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  RSA391827  Erodium cicutarium Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  UCR97502  Erodium moschatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19874 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA0009847  Erodium texanum Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  RSA530311  Erysimum capitatum var. capitatum M. B. Dunkle 1933-7-19 3681 Riverside Tahquitz Peak. San Jacinto Mts. 2651 Comment
  SDSU13596  Erythranthe guttata W. Miller, C. Mosse 1972-7-12 Riverside Comment
  RSA0015888  Erythranthe moschata Mary F. Spencer 1921-7-1 1288 Riverside Idyllwild, San Jacinto Mts. 1616 Comment
  CAS-BOT-BC403359  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian Wash just south of Interstate 15 Comment
  CAS-BOT-BC403364  Eschscholzia californica S. B. Parish 1894-6-14 3140 Riverside Banning, San Bernardino Mountains, and their eastern base 914 Comment
  RSA433686  Eschscholzia californica G. R. Johnstone 1934-3-27 18569 Riverside Near Wildomar. Inland route to Temecula. Comment
  UCR91922  Eschscholzia californica A. C. Sanders, O. F. Clarke 1996-4-13 18032 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  RSA445671  Eschscholzia minutiflora Chas Gabriel 1926-1-7 206 Riverside Rincon [R. Village, Andreas Canyon] Comment
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Nov 17 2011
  UC1929974  Eschscholzia minutiflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10453 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; 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
  UCD95437  Eschscholzia papastillii Curtis Clark 1976-4-13 527 Riverside Mecca-Joshua Tree Road, 7 miles southwest of junction with Interstate Highway 10. Comment
  RSA0023208  Eschscholzia papastillii Curtis Clark 1976-5-8 542 Riverside Sheephole Mtns, 21.9 miles S of Amboy on road to Twentynine Palms. 640 Comment
  CAS-BOT-BC419614  Eschscholzia parishii Richard Snow 1952-4-14 11 -1 Riverside Road to Morongo Valley, 7.8 miles from junction with Highway 99/60/70 Comment
  GMDRC3744  Eschscholzia parishii J. Andre, T. La Doux 2009-3-1 11234 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
  JOTR36434  Eschscholzia parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3405 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
  SDSU18656  Eschscholzia parishii Michael G. Simpson, Kristen Hasenstab 2008-4-2 2946 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  UC1093129  Eschscholzia parishii Richard Snow 1952-4-14 11 -6 Riverside by road to Morongo Valley 7.8 mi from junction with Highway 99/60/70 Comment
  UCSB3660  Eschscholzia parishii Wilson, Richard 1958-3-22 Riverside 7 miles East of Desert Center on U.S Highway 60-70 Comment
  SEINET10904736  Eschscholzia parishii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3753 Riverside Found in wash above quad 6. Indio hills, colorado desert. Near pushawalla. Comment
  SD152810  Eucalyptus camaldulensis Steve Boyd, Tim Ross 1992-2-21 6671 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south. 701 Comment
  UCR51352  Eucalyptus camaldulensis S. J. Myers 1988-1-27 s.n. Riverside Partin Development, Nuevo Road and Foothill Avenue, c. 1.5 mi west of Nuevo 442 Comment
  RSA221008  Eucrypta chrysanthemifolia E. W. Lathrop 1966-5-23 6088 Riverside 6 miles West of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA708077  Eucrypta chrysanthemifolia Scott D. White, Angelia Carey 2004-4-16 10191 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  JEPS1709  Eucrypta micrantha Marjorie D. Clary 1932-3-6 1031 Riverside 7 mi w Coachella; Colorado Desert, La Quinta Canyon 152 Comment
  UCR280922  Eucrypta micrantha Fred M. Roberts 2016-3-5 7997 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  UCSB42179  Eucrypta micrantha Roos, John 1958-2-21 Riverside Corn Springs, Chuckawalla Mtns. Comment
  UC20222  Eulobus californicus Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  RSA791458  Eulobus californicus Keith E. Hoffmaster 1933-4-15 687 Riverside Desert end Palms to Pines road. Comment
  JOTR32620  Euphorbia eriantha La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1020 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  POM160096  Euphorbia eriantha E. C. Jaeger 1927-3-23 s.n Riverside Salt Creek Wash, Colo. Desert Comment
  RSA518272  Euphorbia eriantha A. C. Sanders 1989-9-19 9499 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UCR115148  Euphorbia maculata Mitch Provance 2000-10-28 2284 B Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR282351  Euphorbia micromera Mitch Provance, Scott Duff 2017-9-7 917- 06 Riverside Colorado Desert, Thousand Palms, SCE corridor, 0.3 miles south of Ramon Substation 59 Comment
  UCR28985  Euphorbia micromera A. C. Sanders 1982-12-19 3452 A Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  UCR941  Euphorbia palmeri J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  CLARK-A1528-2705  Euphorbia polycarpa John C. Roos 1965-6-23 Riverside Cactus City Comment
  UCR124637  Euphorbia polycarpa B. C. Templeton, I. W. Clokey 1930-4-9 1013 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR172162  Euphorbia polycarpa T. B. Salvato, Gregg Miller 2005-6-3 1379 B Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  SEINET10739816  Euphorbia polycarpa Lewis S. Rose 1935-12-19 Rose 35663 Riverside Colorado Desert, Palm Springs, CA. 133 Comment
  RSA432480A  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-7-15 1576 Riverside Palm Springs. 122 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
  UCR267165  Euphorbia spathulata Mitch Provance, Matt Amalong 2015-3-24 315- 14 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, SW base of unnamed hill 0.6 miles W of Skunk Hollow, N side of Murrieta Hot Springs Rd at Chandler Dr., S of the lower watertank 406 Comment
  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
  UC73478  Eustoma exaltatum Geo. R. Hall 1905-9-3 Riverside Riverside Comment
  RSA606143  Euthamia occidentalis L. C. Wheeler 1932-9-4 1318 Riverside Santa Ana River at Chino Creek. 183 Comment
  POM182066  Fagonia laevis Philip A. Munz 1932-3-14 11982 Riverside Colorado Desert, Coachella Valley, Deep Canyon. 152 Comment
  UC1541420  Fagonia laevis H. E. Parks, M. Jordan 1940-2-16 24165 Riverside Santa Rosa Canyon, at mouth; Santa Rosa Canyon 304 Comment
  JOTR31894  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  POM259510  Fagonia pachyacantha E. C. Jaeger 1939-12-28 s.n. Riverside Eytel Canon branching from Fargo Canon, 5 mi. east Indio. Comment
  CDA43476  Fatoua villosa Chandler & Mellor 2015-11-13 PDR# 331 P06143073-1 Riverside Menifee; Ramirez Foliage, 32883 Ascot Way. 0 Comment
  UC68657  Ferocactus cylindraceus var. lecontei H. M. Hall May, 1905 6013 Riverside Colorado Desert, Cottonwood Springs 670 Comment
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Oct 9 2010
  UCR95455  Festuca arundinacea D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1117 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mtn; S end of Los Caballos Road, UC Emerson Reserve, SW side of the Water Storage tank. 100 m north of the road jct between main preserve road and the road to the Emersn Cottage 457 Comment
  UCR250107  Festuca microstachys A. C. Sanders 2014-4-9 41008 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  UCR213511  Festuca microstachys var. pauciflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37837 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
  UCR108879  Festuca myuros Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR162764  Festuca myuros S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  JOTR34164  Festuca octoflora Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 121 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  RSA0121055  Festuca octoflora Duncan S. Bell, LeRoy Gross 2016-3-29 9117 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UCR22152  Festuca octoflora Steve Boyd 1980-5-11 226 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CLARK-A1528-4667  Festuca pacifica John C. Roos 1937-5-2 1282 Riverside Riverside Comment
  UCR260593  Ficus carica A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41553 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley just below I-15 bridge near Hostettler Road, SE of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill 363 Comment
  UCR48507  Filago arizonica Steve Boyd 1986-4-10 1642 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon: Along DePalma Road between Indian Truck Trail & Horsethief Canyon, 1.0 mi east of the Indian Truck Trail exit of Hwy I-15. 381 Comment
  UCR20728  Filago californica A. C. Sanders, Steve Boyd 1980-5-2 1405 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR173928  Filago gallica A. C. Sanders 2006-5-19 32438 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
  UCR274190  Filago gallica T. B. Salvato, Gregg Miller 2005-6-7 1436 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  OBI12182  Forestiera pubescens H. E. McMinn 1935-6-27 4045 Riverside Pines to Palms hwy Comment
  RSA555  Frasera parryi J. T. Howell 1927-8-2 558 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  RSA559330  Frasera parryi Steve Boyd, T. S. Ross 1992-5-15 7412 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  SD119908  Fraxinus dipetala Louis B. Ziegler 1969-5-20 364 Riverside San Jacinto Mountains; Bautista Canyon, upper canyon . 1143 Comment
  RSA715054  Fraxinus uhdei A. C. Sanders, T. B. Salvato 2003-5-21 26806 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
  SD137592  Fremontodendron californicum Darin L. Banks, Victor Steinmann 1995-7-10 755 Riverside NW Palomar Mountains: Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area; along the Wildhorse Trail, W of Lower Arroyo Seco, SE of Woldhorse Peak, along the drainage of the peak Agua 914 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
  UCR240767  Fumaria officinalis O. F. Clarke 2004-2-4 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  POM158458  Funastrum cynanchoides var. hartwegii P. A. Munz 1927-5-21 10871 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  RSA0123376  Funastrum cynanchoides var. hartwegii Duncan S. Bell, Thomas Stoughton 2016-4-14 9296 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  UCD121394  Funastrum cynanchoides var. hartwegii R. S. Woglum 1934-3-18 633 Riverside Central part of county. Snow Creek (north-west of Palm Springs). Comment
  UCR89833  Funastrum cynanchoides var. hartwegii Scott D. White 1993-5-27 1430 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  JOTR28931  Funastrum hirtellum La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1167 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA704546  Funastrum hirtellum LeRoy Gross 2005-3-3 1575 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA776948  Funastrum hirtellum Amber Swanson 2011-3-19 241 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  SD181719  Funastrum hirtellum Scott D. White 1999-4-20 7278 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95. 89 Comment
  SEINET10580704  Funastrum hirtellum Unknown 1992-4-4 Sanders 12155 Riverside McCoy Mountains, with 1/2 mi of McCoy Spring 244 Comment
  UCR279553  Funastrum hirtellum A. C. Sanders, Jim Malusa 2017-3-29 43199 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  SEINET10580703  Funastrum hirtellum Carl C. Epling 1927-3-27 Epling s.n. 1927 Riverside Thousand Palms Comment
  UCR134644  Galium angustifolium Mitch Provance 1998-4-10 411 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  JEPS56084  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-17 4127 Riverside road from Banning to Idyllwild 2 mi n road to Twin Pines Ranch 304 Comment
  JEPS56053  Galium angustifolium subsp. jacinticum Lauramay T. Dempster and Clare Hardham 1965-6-17 4130 Riverside between Fulmore Lake and Idyllwild (road between Banning and Idyllwild); San Jacinto Mts., Alandale Pines Comment
  UCR214331  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38370 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
  RSA797241  Galium parishii Robert F. Thorne, Walter Wisura 1977-9-17 50770 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UC1925784  Galium porrigens Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1287 Riverside Peninsular Ranges; San Jacinto Mountains region: Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. Comment
  CAS-BOT-BC217618  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 Riverside North slope of Eagle Mountains, Colorado Desert 1066 Comment
  CAS-BOT-BC217641  Galium stellatum subsp. stellatum I. M. Johnston 1917-4-4 1039 Riverside Palm Canyon 304 Comment
  RSA0099592  Garrya flavescens Duncan S. Bell 2014-11-14 7706 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
  UCR95943  Garrya veatchii Scott D. White 1996-8-1 4449 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA5216  Gayophytum heterozygum Carl B. Wolf 1932-8-4 3912 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  RSA667033  Genista monosperma Anne Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region: Orangecrest area of SE Riverside, 17120 Cole Ave. 518 Comment
  CDA5433  Geraea canescens T. C. Fuller 1961-1-1 5495 Riverside Frontage road, Thousand Palms. 0 Comment
  RSA778486  Geraea canescens Duncan S. Bell 2009-3-8 51 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA79150  Geraea canescens P. A. Munz, P. C. Everett 1951-5-2 16254 Riverside 2 miles E of Garnet, Coachella Valley. 30 Comment
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Apr 21 2011
  UC17150  Geranium californicum H. M. Hall Jul 1901 2336 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  RSA715242  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
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Jul 14 2008
  UCR121667  Geranium robertianum A. C. Sanders, T. B. Salvato 2000-5-8 23382 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  SEINET7063459  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-3-30 s.n. Riverside About 5 miles south of Winchester Road. French Valley. UTM Zone 11, 491934mE, 3721693mN. (WGS84/NAD83). 457 Comment
  JEPS29314  Gilia angelensis Rimo Bacigalupi and L. Heckard 1962-3-26 8410 Riverside just ne Alberhill (lower slopes of hills on e side Walker Canyon); e side Walker Canyon, ne of Alberhill 381 Comment
  POM293649  Gilia angelensis Lyman Benson 1946-4-15 12029 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  RSA72286  Gilia angelensis F. W. Peirson 1923-3-28 4129 Riverside North of Lake Elsinore near Brickyard. Comment
  UCR59665  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2927 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  UCR98211  Gilia angelensis B. G. Pitzer 1997-4-1 3059 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR30803  Gilia australis A. C. Sanders, Ken Berg 1980-5-1 1357 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  UCR241653  Gilia capitata T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 340 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR252210  Gilia capitata J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  UCR70963  Gilia diegensis Steve Boyd, D. E. Bramlet 1990-4-29 4514 Riverside Peninsular Range, Vail Lake area, benches along Kolb Creek, west of Dripping Springs, N and south of Hwy 79. 488 Comment
  SBBG64485  Gilia inconspicua var. sinuata Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UC665781  Gilia latifolia Ira L. Wiggins 1941-3-24 9587 Riverside 1 mi n Imperial County Line (on e side Salton Sea); e side of Salton Sea Comment
  UCR71847  Gilia maculata George K. Helmkamp 1992-4-16 92- 4 Riverside Western Colorado Desert, Coachella Valley, Mission Creek, 0.4 mi. south of Indian Avenue, on old Hwy 62 500 Comment
  JEPS4073  Gilia ochroleuca subsp. exilis M. French Gilman 1921-4-15 12 Riverside Banning Comment
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Dec 17 2016
  RSA0017084  Gilia ochroleuca subsp. exilis R. F. Thorne, C. W. Tilforth 1980-5-28 54247 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA20018  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside East of Hemet 600 Comment
  UC908024  Gilia ochroleuca subsp. exilis Frank W. Peirson 1928-3-24 7725 Riverside near Auto Camp (Temescal Canyon); Temescal Canyon 304 Comment
  UCR108993  Gilia ochroleuca subsp. exilis D. L. Banks, V. W. Steinmann 1997-3-13 1502 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR256909  Gilia ochroleuca subsp. exilis Naomi Fraga, Duncan S. Bell 2009-5-6 2705 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  UCR44361  Gilia ochroleuca subsp. exilis A. C. Sanders 1986-6-1 6569 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA480028  Gilia scopulorum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2157 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA23227  Gilia stellata Ernest Braunton 1940-4-3 2018 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA469734  Gilia stellata M. B. Dunkle 1937-3-25 4955 Riverside Dry Morongo. Comment
  RSA799250  Gilia stellata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 754 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  RSA612952  Githopsis diffusa subsp. diffusa D. L. Banks 1997-3-29 1621 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
  UCR241224  Glyceria occidentalis Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 514 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA713908  Gnaphalium leucocephalum R. E. Riefner 2006-8-22 06 -396 Riverside City of Temecula, Vine St. at Peach Tree St. 361 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
  RSA583611  Gnaphalium microcephalum Steve Boyd, Darin Banks 1995-3-30 8406 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  CAS-BOT-BC499166  Gnaphalium palustre Mitch Provance 2011-6-6 17004 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., E to Old 215 Frontage Rd 466 Comment
  UC1980272  Gnaphalium palustre R. F. Thorne with E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55211 Riverside Peninsular Ranges; Santa Ana Mountains region; SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  RSA478804  Grayia spinosa T. H. Holmes 1932-3-18 s.n. Riverside White Water, Palm Springs. Comment
  UCSB1695  Grayia spinosa Leeuwen, Henry 1957-4-13 Riverside White Water Canyon about 2 miles from U.S. 60 Comment
  RSA778237  Guillenia lasiophylla Duncan S. Bell 2009-3-8 42 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA305666  Gutierrezia sarothrae C. W. Tilforth, Walter Wisura 1979-10-11 1918 Riverside 0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley 1341 Comment
  UC63195  Gutierrezia sarothrae W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Box Springs 457 Comment
  RSA643449  Haplopappus cuneatus A. C. Sanders 1995-11-26 17921 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Tule [peak] Rd., 1/2 mi. E of Spanish Spur Trail, sec. 14. 1280 Comment
  CLARK-A1528-1905  Haplopappus squarrosus John C. Roos 1952-8-27 5890 Riverside Reche Canyon 457 Comment
  RSA0066609  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4110 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
  UCR90408  Harpagonella palmeri D. L. Banks, Steve Boyd 1995-5-9 0398 Riverside NW Palomar Mtns., Cleveland Natinal Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 790 Comment
  RSA0066616  Harpagonella palmeri P. A. Munz, Ivan M. Johnston 1922-5-19 5335 a Riverside 5 mi NE of Murietta. 427 Comment
  RSA0066631  Harpagonella palmeri Steve Boyd, Orlando Mistretta 1991-5-22 6311 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA188416  Helianthus annuus subsp. lenticularis L. S. Rose 1966-12-11 66095 Riverside Palm Springs. 152 Comment
  RSA876  Helianthus gracilentus J. T. Howell 1928-7-7 1038 Riverside Santa Ana Mts. above Glen Ivy. 609 Comment
  RSA343882  Hemizonia fasciculata R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60655 Riverside Santa Rosa Plateau: Mesa de Colorado. 625 Comment
  UCR103912  Hemizonia kelloggii B. G. Pitzer 1997-4-11 3122 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR111972  Hemizonia kelloggii A. C. Sanders, T. B. Salvato 2000-5-25 23403 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
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Sep 27 2010
  UCR196772  Hemizonia mohavensis Marsia Narog, Mark Parlow 2008-8-13 s.n. Riverside Peninsular Range; San Jacinto Mtns., Poppet Flats, NW of Poppet Flats Road, west of intersection of Ellis Dr. and Fox Dr. 1087 Comment
  UCR82774  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15783 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  UCR139645  Hemizonia paniculata A. C. Sanders 2004-6-30 28388 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR159197  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2005-8-31 31597 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR187504  Hemizonia paniculata Theresa Johnson 2006-9-27 286 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road west of Squaw Mountain, c. 1 mile NW of Tenaja Guard Station 598 Comment
  UCR58884  Hemizonia paniculata Ed LaRue 1989-5-8 s.n. Riverside Peninsular Range, Mockingbird Canyon area, south of Van Buren Blvd and c. 1/2 mi (airline) east of Mockingbird Canyon Road. Comment
  SEINET7012370  Hemizonia paniculata Wanda P. Vestal, A. G. Vestal 1955-4-21 153057 Riverside At base of Gavilan Hills, west of Perris. Comment
  UCR96274  Hemizonia pungens Kathleen Stockwell 1996-6-5 s.n. Riverside Warm Springs Creek, near Murrieta. Near I-15; erosion gullies on E side of creek 328 Comment
  RSA805  Hemizonia pungens subsp. laevis J. T. Howell 1928-7-9 1076 Riverside 2 miles south of Murrieta. 305 Comment
  UCR85574  Hemizonia pungens subsp. laevis Julie A. Greene 1993-4-10 1176 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  UCR89236  Hemizonia pungens subsp. pungens Scott D. White 1995-9-22 3685 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  RSA567982A  Hesperocnide tenella Karin Cleary 1992-4-6 113 Riverside Edge of cottonwood/willow riparian are and coastal sage scrub, E side of California St. Reinholt Canyon, Hemet. 579 Comment
  SDSU14064  Hesperoyucca whipplei Bismarck Magoto 2002-4-20 6 Riverside Found approximately 200 meters east of Snata Margarita Ecological Reserve headquarters. 335 Comment
  RSA0072394  Heteromeles arbutifolia Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3959 Riverside Vail Lake area, westerly draining canyon a N base of 'Big' Oak Mtn. 640 Comment
  RSA785656  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8985 Riverside CA-74, 12.7 km south of CA-243, south of Lake Hemet. Comment
  JEPS43059  Heuchera hirsutissima Carl V. Meyer 1928-7-27 551 Riverside at summit of Mt. San Jacinto (San Jacinto Peak); San Jacinto Mountains 3293 Comment
  CLARK-A1528-3227  Hibiscus denudatus John C. Roos 1958-2-22 Riverside Chuckwalla Mountains Comment
  RSA457780  Hibiscus denudatus Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2218 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR198198  Hibiscus denudatus Michael Honer, L. Hulse 2004-4-3 1915 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCR224685  Hilaria rigida Charles Hughes 2010-3-22 205 Riverside Sonoran (Colorado) Desert, about 9.4 miles south of Hwy 62, next to RR tracks 246 Comment
  UC1930013  Hirschfeldia incana Scott D. White, Justin Wood 2008-5-15 11991 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  CAS-BOT-BC207507  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  RSA4929  Hoffmannseggia glauca C. B. Wolf 1932-4-28 s.n. Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
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Mar 26 2011
  SEINET3365552  Hoffmannseggia glauca G. Rink 2011-9-25 11071 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  CAS-BOT-BC207555  Hoffmannseggia microphylla Mrs. John C. Augsbury 1930-2-1 s.n. Riverside Indio Comment
  UCSB33254  Hoffmannseggia microphylla Miller, Brian 1963-6-1 Riverside Powerline Access Road, 1/2 mile SW of Biskra Palms 24 Comment
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Jun 1 2013
  UC1930042  Holcus lanatus Scott D. White, Justin Wood 2008-6-16 12108 Riverside San Jacinto Mountains: Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  RSA192094  Holocarpha virgata subsp. elongata E. W. Lathrop 1965-9-22 6025 Riverside 8 miles W of Murrieta Comment
  SD152760  Holodiscus discolor Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7357 Riverside Southern Santa Ana Mountains, San Mateo Canyon wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon 366 Comment
  SEINET10449888  Holodiscus microphyllus David B. Dunn 1946-8-18 Dunn 2740 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. On top of Peak Comment
  RSA762761  Hordeum brachyantherum subsp. californicum R. F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60631 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  UCR110453  Hordeum depressum D. E. Bramlet 1998-4-22 2602 Riverside Peninsular Range, E. French Valley-Domenigoni Valley. 396m E. of Winchester Road and 1.68 km south of Holland Road. The meadow is 61m west of the San Diego canal, in the area of the canal bridge road. 450 Comment
  UCR211707  Hordeum depressum Fred M. Roberts, Michelle Balk 2006-5-2 6328 Riverside San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road 458 Comment
  CLARK-A1528-65  Hordeum hystrix C. M. Flanagan 1973-5-20 OO 522 Riverside Morongo Indian Reservation Comment
  UCR114964  Hordeum marinum subsp. gussoneanum Fred M. Roberts 1992-4-25 4877 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  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
  RSA0014451  Hordeum murinum subsp. leporinum Justin M. Wood 2010-3-4 1419 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  POM13645  Horkelia clevelandii Philip A. Munz 1922-7-6 6011 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  SBBG2937  Horkelia clevelandii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley Comment
  SD139749  Hulsea vestita subsp. callicarpha Darley F. Howe 1941-6-9 1281 Riverside San Jacinto Mountains Comment
  LA203762  Hymenoclea salsola var. fasciculata D. Birindelli; 1969-3-9 Riverside near Palm Desert 121 Comment
  JOTR28945  Hymenoclea salsola var. salsola La Doux, Tasha 2005-3-30 1181 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM48402  Hypericum formosum var. scouleri P. A. Munz, I. M. Johnston 1924-7-28 8806 Riverside Pine Flats 1738 Comment
  JOTR34309  Hyptis emoryi Andre, Jim 2012-4-11 20724 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA475288  Hyptis emoryi Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2102 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA608060  Hyptis emoryi Louis C. Wheeler 1931-2-7 s.n. Riverside Palm Springs. Comment
  UCD124924  Hyptis emoryi L. S. Rose 1935-12-21 s.n. Riverside Colorado Desert, Palm Canyon Wash. 182 Comment
  RSA1911  Isocoma acradenia var. eremophila B. D. Stark 1930-4-1 1495 Riverside San Gorgonio Pass. 457 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
  UC2015589  Isocoma menziesii Scott D. White 1995-12-30 3802 Riverside Perris Basin SW of Perris, above S bank of San Jacinto River. Comment
  UCR112069  Isocoma menziesii var. menziesii Mitch Provance 1999-3-28 1074 Riverside Riverside (Rubidoux), Belltown area, 'gravel pits' just south of 26th St. and Hall Ave. 250 Comment
  RSA199007  Isoetes howellii R. F. Thorne, E. Lathrop, P. A. Munz 1968-5-8 37567 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  RSA357154  Isoetes howellii Robert F. Thorne 1973-5-23 43852 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  RSA559314  Isolepis cernua Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-13 7374 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  UC1463089  Isomeris arborea Arthur S. Barclay and Juan Arguelles 1965-3-4 1797 Riverside 4 mi n State Highway 79 junction with State Highway 71 (along State Highway 79) Comment
  CHSC35206  Isomeris arborea var. arborea James Henrickson 1973-3-18 8610 b Riverside Ca. 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
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Apr 6 2013
  SD234824  Iva axillaris subsp. robustior R. E. Riefner Jr. 2005-8-28 5 647 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar Corydon Road at Union Street (Wildomar 7.5'Q) 394 Comment
  UCR133319  Juglans californica 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
  UCR209200  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37148 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA69621  Juncus acutus subsp. leopoldii F. W. Peirson 1921-3-20 2366 Riverside Palm Canyon, east base of San Jacinto Mountains 305 Comment
  UC111320  Juncus acutus subsp. leopoldii S. B. Parish 1907-4-22 6149 Riverside w edge Colorado Desert 200 Comment
  RSA544434  Juncus bufonius Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6341 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  RSA500554  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3594 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA609508  Juncus bufonius var. occidentalis L. C. Wheeler 1974-6-8 s.n. Riverside San Jacinto Mountains: 1/4 mile NW Toolbox Spring, Thomas Mountain. 1828 Comment
  RSA70059  Juncus bufonius var. occidentalis F. W. Peirson 1922-5-19 3019 Riverside Menifee Valley, south of Perris. 457 Comment
  UC574918  Juncus mexicanus C. Epling and J. Ewan Jun 1933 Riverside s shore Lake Elsinore Comment
  RSA740612  Juncus oxymeris Scott D. White, Justin M. Wood 2008-6-19 12258 Riverside Meadows at Baldy Mtn. 1585 Comment
  SD71853  Juncus oxymeris Helen V. Witham 1969-7-2 249 Riverside In creek bed, DeLuz Creek, on road from DeLuz to Murietta, 7 miles south of Murietta. 299 Comment
  UCR24952  Juncus oxymeris A. C. Sanders 1980-7-18 1669 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  CDA33225  Juncus rugulosus S. Munhall 1957-7-18 Riverside Cleveland National Forest, high rocky ridge. 0 Comment
  RSA70054  Juncus rugulosus F. W. Peirson 1924-7-28 5010 Riverside Pine Flats Camp 1799 Comment
  RSA70062  Juncus rugulosus F. W. Peirson 1920-12-29 2337 Riverside Andreas Canyon, Palm Springs Regon. 259 Comment
  CAS-BOT-BC85412  Juniperus californica C. L. Hitchcock 1940-4-3 5933 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  IRVC1218  Juniperus californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 116 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  JOTR30096  Juniperus californica La Doux, Tasha, Alice Miller 2007-5-8 1736 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common 1385 Comment
  JOTR32146  Juniperus californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2302 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) 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
  SD229039  Juniperus californica Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 890 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  UC64447  Juniperus californica W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1826 Riverside e base San Jacinto Mt. 1219 Comment
  UCSB213  Juniperus californica Philbrick, Ralph 1953-6-10 Riverside Joshua Tree National Monument Comment
  SEINET2043588 Image available Justicia californica John Adams 1966-3-12 445 Riverside Hwy 74, 2 mi above Palm Desert. 610 Comment
  UC665866  Justicia californica Ira L. Wiggins 1941-3-27 9689 Riverside 9 mi. w. Desert Center Comment
  UC972195  Justicia californica Alice Yates and Jas. E. Wilcox 1952-4-5 29 Riverside between Box Canyon and Smoke Tree Nat'l Monument 152 Comment
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Aug 21 2007
  UCR226997  Justicia californica Jim Andre 2011-2-2 16217 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  RSA0062479  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40409 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction. 124 Comment
  SEINET8071637 Image available Kallstroemia californica Andrew C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCR165302  Kallstroemia californica John F. Green 2005-2-3 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  CAS-BOT-BC434233  Keckiella antirrhinoides Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 01 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon. 741 Comment
  RSA210978  Keckiella antirrhinoides C. W. Tilforth 1969-7-24 215 Riverside Along Red Mountain ROad, east of County Hiway R-3, south of Hemet. Comment
  SFV16370  Keckiella antirrhinoides n. s. 1992-5-16 Riverside Lake Matthews. Comment
  UCR183016  Keckiella antirrhinoides Mitch Provance 2003-5-5 4428 B Riverside San Berardino Valley, Norco, SW slopes of the La Sierra Hills, +- 0.9 mi. WNW of Mt. Grape (peak 1064) 244 Comment
  UCSB17553  Keckiella antirrhinoides Otey, D. 1963-5-4 Riverside Banning to Idyllwild Road; 2.5 miles south of Banning 853 Comment
  POM11402  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-9-6 6400 Riverside Round Valley. 2744 Comment
  UC682216  Keckiella rothrockii var. jacintensis H. M. Hall 1897-7-21 704 Riverside San Jacinto Mt. 2743 Comment
  CAS-BOT-BC43703  Krameria erecta F. H. Billings 1931-4-13 s.n Riverside Palm Springs Comment
  JOTR38529  Krameria erecta Harding, Mitzi, Kipp Callahan 2012-8-27 300 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  RSA209606  Krameria erecta J. W. Stubblefield 1969-5-10 s.n. Riverside Little San Bernardino Mts, Big Morongo Canyon, 2.3 miles E on Jeep road from Indian Avenue 305 Comment
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Dec 11 2011
  RSA0056399  Krameria grayi James R. Shevock 1971-5-8 1034 Riverside Near ranger Sta., Joshua Tree Nat'l. Mon. 1036 Comment
  CLARK-A1528-69  Lamarckia aurea C. M. Flanagan 1973-4-14 OO 108 Riverside Sunnymead 579 Comment
  UCR50574  Langloisia schottii B. G. Pitzer 1988-3-10 0641 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  JOTR16797  Langloisia setosissima subsp. punctata Dengler, A. 1966-3-31 38 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  POM14062  Langloisia setosissima subsp. setosissima P. A. Munz, D. D. Keck 1922-4-9 4867 Riverside Palm Springs. 457 Comment
  RSA0084167  Langloisia setosissima subsp. setosissima Steve Boyd, Orlando Mistretta 1986-3-13 1456 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCD170914  Laportea ovalifolia A. C. Sanders; S. Morgan 1995-11-30 17926 Riverside Riverside: weed in the UCR Botanic Garden. 365 Comment
  CAS-BOT-BC183259  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  CLARK-A1528-4437  Larrea tridentata John C. Roos 1946-11-30 3161 Riverside Chuckwalla Mountains 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
  UC867924  Larrea tridentata Lewis S. Rose 1936-12-18 36786 Riverside Palm Springs 138 Comment
  UCSB9623  Larrea tridentata Van Leeuwen, Henry 1957-4-12 Riverside Whitewater Canyon, 1 mi from US 101 Comment
  SD186090  Lasthenia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29246 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta. 701 Comment
  RSA150913  Lasthenia coronaria Peter H. Raven 1962-3-19 16913 Riverside State Highway 74, 1.6 miles northeast of junction with State 71, north of Elsinore. Comment
  SD51808  Lasthenia coronaria Rimo Bacigalupi, Gene Newcomb 1954-4-25 4399 Riverside Along State Highway 79, close to summit of St. Johns grade; ca.3/4 mile south of Sage. 730 Comment
  UC126382  Lasthenia coronaria H. M. Hall 1903-4-1 3982 Riverside Pass ne of High Grove; Riverside Comment
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Sep 5 2011
  UCR280952  Lasthenia coronaria Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 64 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  SD193078  Lasthenia glabrata subsp. coulteri W. J. Schrenk 2008-2-19 83 Riverside San Jacinto Wildlife Area, pond #1 Comment
  UCR191543  Lasthenia glabrata subsp. coulteri A. C. Sanders 2008-4-15 34890 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 383 Comment
  POM13870  Lasthenia gracilis P. A. Munz 1922-4-29 5090 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  SBBG7750  Lasthenia gracilis H. and M. Dearing 1942-3-7 4815 Riverside near Whitewater Wash, Cathedral City Comment
  SDSU17520  Lasthenia gracilis Jerry Jenkins 2001-4-3 2001 -031 Riverside Santa Margarita Ecological Reserve. Ravine south of S. M. River, UTM zone 6, 482400E, 3700400N. UTM transfered to GIS. Comment
  UC30439  Lasthenia gracilis Geo. R. Hall 1901-3-17 1676 b Riverside Riverside Comment
  UC74035  Lasthenia gracilis M. F. Gilman 1904-1-1 18 Riverside Banning Comment
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Mar 13 2011
  UCR140447  Lasthenia gracilis A. C. Sanders, Guy Bruyea 2004-4-2 27425 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR232053  Lasthenia gracilis John F. Green 2008-4-15 0408- 16 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
  RSA0043380  Lathyrus John F. Emmel 1996-6-16 1412 Riverside San Jacinto Mts.; along Spitler Peak Trail, 0.1-0.2 trail mile west of junction with Pacific Crest Trail. 2072 Comment
  UCR128296  Lathyrus latifolius Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8633 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
  RSA3123  Lathyrus vestitus subsp. alefeldii C. B. Wolf 1932-2-11 2652 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA511357  Lathyrus vestitus subsp. alefeldii B. Pitzer, E. Misquez 1988-3-20 665 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  RSA406627  Lathyrus vestitus subsp. vestitus H. M. Hall 1897-7-18 s.n. Riverside Beaumont 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
  POM30365  Layia glandulosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning Comment
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Mar 13 2011
  SDSU17519  Layia platyglossa Jerry Jenkins 2001-4-3 2001 -030 Riverside Santa Margarita Ecological Reserve. Ravine south of S. M. River, UTM zone 6, 482400E, 3700400N. UTM transfered to GIS. Comment
  CLARK-A1656-836  Layia platyglossa subsp. campestris Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  UCR234989  Lemna minor A. C. Sanders, John F. Green 2012-5-27 40216 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Creek at I-15 crossing, between Alberhill and Horsethief Canyon 363 Comment
  RSA644633  Lepidium dictyotum var. acutidens Scott D. White 1993-3-12 1143 Riverside San Jacinto Valley: between aqueduct and Warren Road. 457 Comment
  RSA717052  Lepidium didymum A. C. Sanders, E. J. Lawlor, Don Pendleton 1992-3-21 12073 Riverside Sonoran Desert: Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -44 Comment
  RSA27377  Lepidium fremontii C. L. Hitchcock 1940-4-2 5921 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  SD28016  Lepidium fremontii Carl B. Wolf 1932-4-27 3043 Riverside Colorado Desert: Mecca-Blythe Road. 0.75 mile west of Utopia 149 Comment
  UCR260254  Lepidium fremontii A. C. Sanders, Jim Malusa 2015-3-11 41394 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  POM118634  Lepidium lasiocarpum Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  RSA676157  Lepidium lasiocarpum Scott D. White 2001-4-3 8257 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UC1929605  Lepidium lasiocarpum Scott D. White 2001-3-13 8162 Riverside PERRIS / ELSINORE BASINS: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. Comment
  UCR241768  Lepidium strictum A. C. Sanders 2013-4-9 40785 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., near intersection of McLaughlin and Dawson Rd., SE of Perris 439 Comment
  RSA735850  Lepidium virginicum var. robinsonii Scott D. White, Justin Wood 2008-4-15 11873 Riverside Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  JEPS49057  Lepidospartum squamatum Lewis S. Rose 1966-12-14 66103 Riverside n Palm Springs (desert); Whitewater Wash 198 Comment
  POM1178  Leptochloa fusca subsp. uninervia I. M. Johnston 1917-12-1 s.n. Riverside Santa Ana River, NW of Corona. 183 Comment
  UCR33683  Leptochloa uninervia Faulkner 1978-3-21 349 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  SJSU8700  Leptosiphon lemmonii N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 4-5 mi E of Lake Elsinore 396 Comment
  SD73177  Leptosiphon parviflorus D. F. Howe 1969-5-15 Riverside Hear Dripping Springs Camp 456 Comment
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Mar 6 2013
  RSA429765  Lesquerella kingii subsp. latifolia Jack Rempel 1935-4-14 s.n. Riverside Pinto Basin 518 Comment
  UCR128246  Lessingia filaginifolia A. C. Sanders, Kelly Volansky 2003-10-16 27337 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UC1979611  Lessingia glandulifera var. glandulifera D. L. Banks, Steve Boyd 1995-10-17 0757 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. Comment
  UCR251993  Lessingia glandulifera var. glandulifera A. C. Sanders, T. B. Salvato 2014-7-2 41157 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA563876  Leymus triticoides A. C. Sanders 1993-5-12 14015 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 Road. 457 Comment
  RSA741260  Leymus triticoides Scott D. White, Justin M. Wood 2008-6-17 12180 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC53468  Leymus triticoides Dr. A. Davidson Riverside Banning Comment
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Mar 13 2011
  POM8112  Lilium parryi Mary F. Spencer 1919-7-4 1235 Riverside San Jacinto Mt., [San Jacinto Mountains]. 1220 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
  JOTR34178  Linanthus bigelovii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 139 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  RSA791484  Linanthus bigelovii J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21078 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  UC219592  Linanthus ciliatus P. A. Munz 1922-6-23 5765 Riverside Keen Camp San Jacinto Mts. 1524 Comment
  UCR19738  Linanthus ciliatus W. W. Mayhew 1977-6-11 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  SBBG64562  Linanthus dianthiflorus M. N. Ackley 1928-3-11 825 Riverside between Banning and Cabazon 609 Comment
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Mar 13 2011
  UC455665  Linanthus dianthiflorus I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  RSA560843  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1992-5-4 7179 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UC150147  Linanthus floribundus subsp. hallii A. Davidson, M. D. 1902-5-1 Riverside Martinez Canyon Thermal Comment
  JOTR36429  Linanthus jonesii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 678 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
  UCR50990  Linanthus jonesii B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 0603 Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  RSA0047250  Linanthus maculatus J. Mark Porter, Leigh A. Johnson 1997-3-10 11467 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  UCR133428  Linanthus parviflorus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 459 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  SBBG64713  Linanthus pungens subsp. hallii R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2438 Comment
  RSA705852  Linaria canadensis Steve D. Boyd, Darin Banks 1994-4-5 8260 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  RSA754348  Lithophragma affine E. Crow 1929-3-17 193 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA282924  Lithophragma affine subsp. affine C. W. Tilforth, B. Busenberg 1980-6-17 2019 Riverside Slopes ca. 1/2 mi. south of Toolbox Springs Campground along Thomas Mtn. Road, south of Lake Hemet, west of Hiway 74. 1982 Comment
  POM13790  Loeflingia squarrosa P. A. Munz 1922-4-30 5137 Riverside Hills south of Tuscaluta Creek from Aguanga to Hemet 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
  RSA468341  Loeseliastrum schottii Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  SD45174  Loeseliastrum schottii Helen K. Sharsmith 1952-4-8 4050 Riverside Western Lobe of Pinto Basin, Joshua Tree national Monument 609 Comment
  UC572630  Loeseliastrum schottii H. S. Yates 1937-3-23 6398 Riverside 2 mi. n. Palm Springs; San Jacinto Quad. 213 Comment
  UCR78448  Logfia arizonica Scott D. White 1993-4-22 1266 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  SBBG81494  Logfia depressa S. A. Junak 1983-3-23 1620 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  RSA192222  Lolium perenne subsp. multiflorum E. W. Lathrop 1960-5-6 4792 Riverside 10 miles west of Murrieta. Comment
  UCSB18143  Lomatium mohavense Lehmann, Karla 1964-5-10 Riverside Pinyon Flants Campground 1249 Comment
  RSA97436  Lomatium vaginatum F. W. Peirson 1922-4-29 2932 Riverside South of Lake Elsinore. 381 Comment
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Dec 8 2013
  RSA33622  Lonicera subspicata var. denudata N. C. Cooper 1944-7-15 1582 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  CSUSB1188  Lotus argophyllus Margaret-Lee Dean 1965-4-5 Riverside Bernasconi Hills, 6 miles east of Highway 395 on Martin Road 487 Comment
  RSA583362  Lotus argophyllus Steve Boyd, Darin Banks 1995-4-5 8418 -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
  POM48896  Lotus grandiflorus var. grandiflorus P. A. Munz, I. M. Johnston 1924-7-27 8747 Riverside Dark canyon 1982 Comment
  CSUSB1187  Lotus hamatus Annette Price 1962-5-8 091 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in Foothill woodland along Tenaja Road, 7 miles from Washington Ave. Comment
  UCR48394  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR48400  Lotus hamatus Steve Boyd 1986-5-7 1843 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA0119992  Lotus haydonii Duncan S. Bell, Thomas Stoughton 2016-4-13 9260 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  SDSU4302  Lotus heermannii bruhns 1965-5-22 112 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Comment
  UCR194825  Lotus heermannii Scott D. White 2006-4-27 11284 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  UCR43283  Lotus heermannii B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  POM12088  Lotus nevadensis var. nevadensis Mary F. Spencer 1921-6-2 89 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  UCR178163  Lotus purshianus John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UC555406  Lotus rigidus H. L. Mason 1928-3-11 4240 Riverside near Indio Comment
  UCR121186  Lotus salsuginosus D. E. Bramlet 1989-4-7 1812 Riverside Perris-Aguanga Basin region, south-facing slope of Bachelor Mtn., area of old mine c. 3200 ft. east of Lake Skinner Dam and 200-700 ft. north of access road 518 Comment
  RSA735319  Lotus salsuginosus var. brevivexillus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11287 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
  SEINET8721513 Image available Lotus scoparius Jean Coulson 1959-1 87 Riverside Box Spring Mts., .7 mi. N of Blane on Mt. Vernone W. of quarry, 10yrds. 1 Comment
  CDA27333  Lotus strigosus T. C. Fuller 1964-4-14 11826 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  JOTR29610  Lotus strigosus Andre, Jim 2006-4-26 6748 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  JOTR30261  Lotus strigosus Leary, C. and Leary, Pat 1979-5-6 3028 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  UC373113  Lotus strigosus M. Hilend 1927-4-2 Riverside between Mecca and Hidden Spring; Colorado Desert Comment
  UCR214886  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37674 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, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  RSA19006  Lotus strigosus var. strigosus L. S. Rose 1937-4-9 37088 Riverside Banning. 707 Comment
  UCR214552  Lotus strigosus var. tomentellus A. C. Sanders 2010-3-15 37393 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
  UCR47240  Lotus tomentellus B. G. Pitzer, L. F. LaPre 1987-3-2 0437 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA395900  Lotus wrangelianus Steve Boyd 1986-4-22 1765 Riverside Terrace escarpment W side of Indian Wash, S of I -15. Comment
  CLARK-A1528-6667  Ludwigia peploides Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  RSA783365  Lupinus J. D. Olmsted 1960-4-17 384 Riverside Oat Flats at head of Tin Mine Canyon 9 miles southwest of Corona along Skyline Drive 823 Comment
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Jun 2 2013
  RSA407024  Lupinus andersonii Christopher Davidson 1978-6-15 7388 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA87043  Lupinus arizonicus F. W. Peirson 1916-04 542 Riverside Region of Palm Springs. Comment
  SEINET2062842  Lupinus arizonicus George Helmkamp 1995-3-16 Riverside Coxcomb Mts, W of Rice Rd., 10.3 mi NE of Desert Center 198 Comment
  UCR224994  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside Sonoran (Colorado) Desert, East flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak 175 Comment
  UCR241547  Lupinus arizonicus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40639 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR50650  Lupinus arizonicus B. A. Prigge 1988-2-21 7836 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  RSA161282  Lupinus bicolor P. H. Raven 1958-5-18 s.n. Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  UCR103180  Lupinus bicolor Scott D. White, Julie Greene 1997-3-12 4776 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  POM350062  Lupinus bicolor subsp. microphyllus N. C. Cooper 1944-4-21 1126 Riverside Banning. 701 Comment
  RSA699732  Lupinus bicolor subsp. tridentatus Keith E. Hoffmaster 1937-6-6 s.n. Riverside Hemet Lake. Comment
  SBBG3576  Lupinus concinnus H. and M. Dearing 1949-4-9 6744 Riverside Joshua Tree Nat Monument Comment
  UCR103998  Lupinus concinnus George K. Helmkamp 1998-4-3 3062 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  RSA559939  Lupinus concinnus subsp. concinnus Steve D. Boyd 1992-4-18 6890 Riverside Buck Mesa, S of Lake Skinner, 1.8 mi E of main entrance rd to lake along Borell Rd. Comment
  SD186209  Lupinus excubitus A. C. Sanders 2004-4-20 27572 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UCR23933  Lupinus excubitus John C. Roos 1943-5-23 2665 Riverside Southern Mojave Desert; Little San Bernardino Mtns., Joshua Tree National Monument 1524 Comment
  UCR251997  Lupinus latifolius A. C. Sanders, T. B. Salvato 2014-7-2 41161 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  POM11280  Lupinus latifolius subsp. parishii Philip A. Munz 1922-7-7 6057 Riverside North Fork of Tahquiz Creek 2195 Comment
  UCR16239  Lupinus microcarpus var. densiflorus Margaret-Lee Dean 1965-3-25 s.n. Riverside 0.25 mi. west of Redlands Boulevard on Hwy 60 488 Comment
  RSA659050  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava St. (Deluz Rd.) 0.4 mi S jct. Washington Ave. in Murrietta. Comment
  RSA590650  Lupinus polycarpus E. W. Lathrop 1965-5-30 5597 Riverside 14 miles W of Murrieta, Riverside County Comment
  CHSC35193  Lupinus sparsiflorus James Henrickson 1973-3-18 8604 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  JEPS81669  Lupinus sparsiflorus L. R. Heckard 1969-4-24 2165 Riverside 7 mi s of Sage (along Highway 79); Highway 79 Comment
  RSA586094  Lupinus sparsiflorus D. L. Banks, S. D. Boyd 1995-4-5 0135 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, E of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. 610 Comment
  RSA775342  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5018 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
  RSA339345  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54103 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA414271  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1944-4-22 1119 Riverside Banning. 701 Comment
  CSUSB1452  Lupinus succulentus Leland E. Francois 1966-3-21 32166 6 Riverside City of Riverside 100 yards north of intersection of Van Buren Ave. and Acorn St., on Acorn St. Sandy soil along railroad tracks. 274 Comment
  RSA414398  Lupinus truncatus M. B. Dunkle 1932-3-25 2889 Riverside Cabazon. Colorado desert. 457 Comment
  RSA586734  Lupinus truncatus D. L. Banks, S. D. Boyd 1995-5-17 0457 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  SD133083  Lupinus truncatus Scott White 1991-3-22 Riverside Los Alamos Road, ca., 2.0 miles west of I-215 exit; just east of the city of Murrieta. 366 Comment
  UC2979  Luzula comosa var. laxa H. M. Hall July, 1901 2460 Riverside San Jacinto Mountains. Tahquitz Valley 2133 Comment
  POM251786  Lycium andersonii J. C. Roos 1938-4-27 19 Riverside Hill west of Arlington. Comment
  UCR279523  Lycium andersonii A. C. Sanders, Jim Malusa 2017-3-27 43123 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
  RSA0020068  Lycium brevipes var. brevipes M. French Gilman 1930-4-27 s.n. Riverside Dos Palmos, east of Mecca. Comment
  JOTR36472  Lycium parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3440 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  SEINET5343084  Lythrum californicum J. Crutchfield 1965-6-16 213 Riverside Lost Lake Resort, 14 mi S of Vidal Comment
  RSA191413  Lythrum hyssopifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6615 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR121335  Machaeranthera asteroides A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25036 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR77741  Madia exigua Steve Boyd, O. Mistretta 1991-5-22 6305 Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  RSA263740  Maianthemum racemosum subsp. amplexicaule E. W. Lathrop 1968-5-22 6909 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  CAS-BOT-BC514238  Maianthemum stellatum P. A. Munz 1922-7-6 6006 Riverside Tahquitz Valley, San Jacinto Mt., C.F. Baker Herbarium of Pomona College 2194 Comment
  CAS-BOT-BC206262  Malacothamnus fasciculatus A. M. White 1974-6-5 74 -671 Riverside Indian Road ca. 15 mi. W of Sun City 1219 Comment
  RSA433318  Malacothamnus fasciculatus N. C. Cooper 1944-5-21 1279 Riverside Hemet. 549 Comment
Read comments
Oct 19 2009
  UCR199616  Malacothamnus fasciculatus Scott D. White, Angelia Carey 2004-7-2 10560 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  POM98395  Malacothamnus fasciculatus P. A. Munz 1925-5-20 9865 Riverside near Corona 427 Comment
  RSA752792  Malacothrix californica Scott D. White, Justin M. Wood 2009-5-21 12863 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  CAS-BOT-BC345424  Malacothrix clevelandii John Thomas Howell 1931-5-30 6590 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UC1536760  Malacothrix coulteri G. H. True 1935-3-14 108 Riverside Gavilan Hills 609 Comment
  UCR41804  Malacothrix coulteri A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6029 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  SBBG66064  Malacothrix glabrata M. N. Ackley -Feb-1926 151 Riverside near Edom 64 Comment
  CAS-BOT-BC348024  Malacothrix stebbinsii Annie M. Alexander; Louise Kellogg 1941-5-7 2129 Riverside 12 miles southwest of 29 Palms, Joshua Tree National Monument 1310 Comment
  RSA388411  Malosma laurina R. F. Thorne, Steve D. Boyd, Earl Lathrop 1985-7-18 61208 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR201839  Malvella leprosa Justin M. Wood 2008-11-5 219 Riverside SW Perris Basin, Murrieta Creek, 2 mi southeast of Murrieta, open field north of Winchester Road and between the creek and Jefferson Avenue 314 Comment
  POM13096  Mammillaria tetrancistra P. A. Munz, D. D. Keck 1922-4-9 5016 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 518 Comment
  RSA7218  Mammillaria tetrancistra B. D. Stark 1932-6-15 3738 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  RSA596718  Marah macrocarpa L. C. Wheeler 1960-5-11 7701 Riverside San Jacinto Mountains. 1 mi. west of Hurley Flat. Comment
  SBBG87937  Marah macrocarpa B. Pitzer, E. Misqez 1988-2-28 617 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi S of Rancho California Rd 426 Comment
  CAS-BOT-BC216180  Marina parryi Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  SD129346  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  RSA191442  Marsilea vestita E. W. Lathrop, Thorne 1967-9-26 6631 Riverside 6 miles NW of Murrieta. 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
  RSA559433  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UC1608242  Meconella denticulata Steve Boyd, Carol Boyd, and Kyle Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Tenaja Canyon, along trail from wilderness boundary downstream towards Fisherman's Camp Comment
  UCR78096  Meconella denticulata Steve Boyd 1991-5-20 6269 Riverside Santa Ana Mtns., NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary 671 Comment
  UC865632  Medicago lupulina Crawford and Johnston 1917-6-9 1234 Riverside near Corona; Santa Ana River Comment
  RSA770930  Melica frutescens Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4748 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 W116.65124 604 Comment
  SEINET175791 Image available Melica frutescens M. E. Jones 1882-4-25 3554 Riverside San Jacinto Comment
  RSA403498  Melica imperfecta J. D. Olmsted 1962-5-10 3669 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  RSA524411  Melica imperfecta Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4103 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
  SEINET251710 Image available Melica imperfecta A. C. Sanders, Seung, Chaul Kim, Plant Taxonomy 2005-5-7 30122 Riverside Peninsular Range, agua Tibia Mountains: UC Emerson Oaks Reserve,ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballlos Road in vicinity of water tank(Pechanga 7.5 457 Comment
  RSA613318  Melilotus albus D. L. Banks 1997-3-1 1383 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
  UCR158324  Melilotus indicus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30052 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
  UCR143385  Mentha aquatica Joseph A. Ewan 1931-10-3 5212 Riverside Santa Ana River, 4 miles NW of Corona 162 Comment
  UC63740  Mentha canadensis H. M. Hall 1897-7-26 733 Riverside vicinity of Strawberry Valley Dutch Flat (Dutch Flat); San Jacinto Mountains, vicinity of Strawberry Valley 1676 Comment
  UCR149976  Mentha spicata Scott D. White 2000-11-15 8151 Riverside Peninsular Range; San Jacinto Mtns, Idyllwild area, 'Strawberry Fuelbreak' betwen 'Inspiration Point' and Strawberry Creek 1646 Comment
  UCR90602  Mentha spicata Scott D. White 1995-6-29 3388 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  SD136815  Mentha spicata var. spicata Steve Boyd 1994-10-14 8395 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, steep rocky slope and bedrock pools in canyon bottom upstream from the confluence with Bluewater Canyon. 316 Comment
  JOTR32196  Mentzelia involucrata Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  UC68736  Mentzelia involucrata H. M. Hall Apr. 1905 5803 Riverside 10 m w Coachella; Colorado Deseret 91 Comment
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Sep 11 2011
  UCR112106  Mentzelia involucrata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23358 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR16331  Mentzelia involucrata Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Hwy 195, 3 km north of Painted Canyon Road Comment
  UCR74382  Mentzelia involucrata Theo Glenn 1991-5-2 91- 29 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCSB4226  Mentzelia involucrata Haller, John 1960-4-2 Riverside 1.3 miles south of the junction of US 60-70 and the south entrance road to Joshua Tree Natl. Mon. 487 Comment
  CHSC8290  Mentzelia involucrata var. megalantha Edward L. Smith 1957-4-3 235 Riverside Located 1 mi. n hwy. 99 to La Palms, Calif. San Bernardino Mts. 91 Comment
  RSA49364  Mentzelia involucrata var. megalantha P. A. Munz 1949-4-11 13001 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  RSA444323  Mentzelia jonesii Walter Wisura 1988-3-1 4191 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  UCR104003  Mentzelia obscura George K. Helmkamp 1998-4-4 3145 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  SBBG128616  Mercurialis annua O. F. Clarke 2011-4-10 Riverside O F Clarke residence, 266 Frost Court, E edge of UCR campus, S of the garage 365 Comment
  RSA515309  Micropus californicus Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau: S of town of Murrieta, S of Mesa de Burro and NW of Mesa de la Punta. 610 Comment
  UCR102878B  Microseris heterocarpa A. C. Sanders 1997-3-26 20131 B Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA586136  Microseris lindleyi D. L. Banks 1995-4-11 0179 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 Dripping Springs Trail 793 Comment
  UCR162284  Microseris lindleyi S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  SEINET8732073 Image available Mimetanthe pilosa Peter Kamb 1950-1 1932 Riverside Hall Canyon; San Jacinto Mts. 1646 Comment
  UCSB26695  Mimulus aurantiacus var. pubescens Wilken, Dieter 1969-5-9 Riverside Hidden Valley Campground; Lost Horse Valley; 14 miles south of Joshua Tree; Joshua Tree National Monument Comment
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May 1 2015
  RSA535794  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 823 Riverside 1.6 ESE of I-10 interchange at Desert Center along dirt road parallel to I-20 (S side of freeway), not far beyond, E of the Desert Center Pumping Station. 82 Comment
  UC886112  Mimulus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside ca. 100 yards e Cottonwood Spring; Cottonwood Canyon Comment
  CSUSB885  Mimulus brevipes Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  IRVC26260  Mimulus brevipes A. C. Sanders, D. Malueg 2003-5-8 26565 Riverside 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 Perris-Aguanga Basin region 396 Comment
  UCR172751  Mimulus brevipes Abby Sirulnik, Ian G. Gillespie 2000-5-14 46 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
  RSA0062495  Mimulus cardinalis J. M. Andre 2012-6-15 30512 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  UCR89473  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 Riverside Palomar Mtns., Cleveland Nationall Forest, Agua Tibia Wilderness Area. south of Vail lake at the an base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Road. 884 Comment
  PASA105  Mimulus diffusus Sally Ellis 1939-6-21 Riverside Halona Comment
  JEPS11071  Mimulus floribundus W. L. Jepson 1901-5-22 1388 Riverside near Vandeventer Flat (upper part of Palm Canyon); Santa Rosa Mts. Comment
  UC1931200  Mimulus floribundus Scott D. White, Justin Wood 2008-6-19 12261 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UCR37638  Mimulus floribundus George K. Helmkamp 1984-5-5 E 10 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  LA209477  Mimulus fremontii Elizabeth McClintock; 1940-6-30 sn Riverside San Jacinto Mts., Between Fern Basin Camp and Marion Camp, Banning-Idyllwild road Comment
  RSA80440  Mimulus fremontii var. fremontii F. W. Peirson 1920-6-22 4723 Riverside Temescal canyon, western Riverside Co. 305 Comment
  RSA526135  Mimulus guttatus Steve Boyd, Tim S. Ross 1990-5-11 4648 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
  POM10954  Mimulus latidens P. A. Munz, I. M. Johnston 1922-5-19 5378 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  UCSC000878  Mimulus pilosus Peter Kamb 1948-7-4 1174 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UC454138  Mimulus primuloides I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  SEINET3078512 Image available Mimulus puniceus Ted R. Turk 1971-5-16 Riverside Murrieta-DeLuz Rd, 2.8 mi south of Murrieta. Comment
  RSA788865  Mimulus suksdorfii Gary D. Wallace 2003-7-8 4037 Riverside Hidden Lake. Comment
  POM158453  Minuartia douglasii P. A. Munz 1927-5-21 10876 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  UCR133959  Mirabilis californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 981 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  RSA0048454  Mirabilis froebelii N. Kiner 1954-5-16 s.n. Riverside Pines to Palms Highway. 1066 Comment
  POM750  Mirabilis laevis var. crassifolia P. A. Munz 1918-4-27 2128 Riverside Temescal Canyon. Comment
  SJSU1864  Mirabilis laevis var. crassifolia J. W. Tilden 1957-4-18 1096 Riverside near Whitewater E of San Gorgonio Pass Comment
  UC917853  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona Comment
  POM14769  Mirabilis laevis var. retrorsa Alice Eastwood 1913-4-30 3107 Riverside Palm Springs. Comment
  RSA69461  Mirabilis laevis var. retrorsa F. W. Peirson 1928-3-10 7701 Riverside Snow Creek Auto Camp at Whitewater. Comment
  POM158427  Mirabilis laevis var. villosa P. A. Munz 1927-5-21 10885 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  RSA517843  Mirabilis laevis var. villosa Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  CAS-BOT-BC434881  Mirabilis multiflora var. pubescens D. E. Breedlove 1961-9-11 1261 Riverside At Pinon Flats Campground along State Highway 74; Santa Rosa Mountains 1249 Comment
  UCR12145  Mirabilis tenuiloba Art Whistler 1966-4-24 s.n. Riverside Western Colorado Desert, Deep Canyon Comment
  RSA522320  Modiola caroliniana Steve Boyd 1989-7-28 3790 Riverside City of Riverside, campus of the University of California, Riverside.near N entrance to parking lot across from The Barn Comment
  JOTR31982  Mohavea confertiflora La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2157 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  RSA444328  Mohavea confertiflora Walter Wisura 1988-3-1 41996 Riverside 1.8 mile along Black Eagle Mine Road, Joshua Tree National Monument Comment
  RSA758321  Mohavea confertiflora Doug Goldman 2005-3-3 3024 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  SD21519  Mohavea confertiflora Ethel B. Higgins 1938-5-21 5761 Riverside Shaver's Summit Comment
  SEINET3079860 Image available Mohavea confertiflora John Wear 1995-3-22 Riverside Colorado Desert: Chuckwalla Bench, upper Salt Creek wash W of Eagle Mountain (Kaiser) Railroad. 488 Comment
  UC310590  Mohavea confertiflora Philip A. Munz 1926-1-31 9961 Riverside Colorado Desert, Dos Palmos Spring Dos Palmos Spring; Colorado Desert, Dos Palmos Spring Comment
  RSA83412  Monardella australis subsp. australis F. W. Peirson 1924-7-27 4993 Riverside Near lower part of Deer Springs, Dark Canyon, San Jacinto Mts. 2591 Comment
  CAS-BOT-BC220031  Monardella breweri subsp. lanceolata H. M. Hall 1896-8-28 340 Riverside San Jacinto Mountains. In Strawberry Valley 1600 Comment
  UC104662  Monardella breweri subsp. lanceolata A. W. Anthony 1895-7-15 Riverside San Jacinto Mts. 1828 Comment
  UC1608213  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross 1992-6-10 7634 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 670 Comment
  UC2042134  Monardella lanceolata R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  RSA210973  Monardella lanceolata var. lanceolata C. W. Tilforth 1969-7-24 214 Riverside About 4 miles east of County Hwy R-3 on Red Mountain Road, south of Hemet. Comment
  CLARK-A1045-110  Monardella linoides George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  POM122454  Monardella linoides subsp. linoides Marcus E. Jones 1926-1 s.n. Riverside Corn Springs, Colo. Desert Comment
  SD241076  Monardella linoides subsp. linoides Mark A. Elvin 2004-6-2 3497 Riverside Peninsular Range; San Jacinto Mountains: Garner Valley, east of Hwy 74 between Fobes Ranch Road and Morris Ranch Road at base of foothills (Anza/Idyllwild 7.5'Q) 1387 Comment
  LA96104  Monardella nana Elizabeth McClintock; 1941-7-21 129 Riverside San Jacinto Mountains, trail from Round Valley Comment
  RSA0014347  Monardella nana Elizabeth McClintock 1941-6-8 58 Riverside Road up Santa Rosa Mt. 0.6 miles above Pines to Palms Highway. 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
  UCR23123  Monardella nana subsp. arida Jeanine Derby 1978-6-9 s.n. Riverside Santa Jacinto Mtns, [upper Bull Canyon] on FS Rd. 7S13 Comment
  CLARK-A1528-1334  Monardella nana subsp. tenuiflora Frank C. Vasek 1979-7-26 77907260- 2 a Riverside Santa Rosa Mountains Comment
  UC456088  Monardella nana subsp. tenuiflora I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  CAS-BOT-BC349800  Monoptilon bellioides Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  CAS-BOT-BC349811  Monoptilon bellioides L. R. Abrams 1926-3-26 11105 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  JOTR16607  Monoptilon bellioides Vanderspek & Youse 1964-4-19 64517 Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  POM363584  Monoptilon bellioides Christopher Davidson 1979-4-4 7712 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  UCD134635  Monoptilon bellioides C. L. Hitchcock 1966-3-20 24306 Riverside 20 miles N of Ogilby, along road to Blythe. Comment
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Mar 1 2014
  UCR167251  Monoptilon bellioides 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
  UC39904  Muhlenbergia filiformis H. M. Hall June, 1901 2290 Riverside along water courses San Jacinto Mountains, vicinity of Strawberry Valley 1615 Comment
  RSA403581  Muhlenbergia microsperma A. Dunn 1932-3-26 s.n. Riverside Box Canyon Comment
  POM9051  Muhlenbergia microsperma P. A. Munz, Harwood 1920-2-28 3238 Riverside 2 mi. southeast of Corona 274 Comment
  HSC78733  Muilla maritima A. C. Sanders, T. Glenn 1983-4-17 3731 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  RSA750555  Muilla maritima Scott D. White, Justin M. Wood 2009-5-21 12882 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  RSA660503  Myosurus minimus subsp. apus A. C. Sanders, K. C. Rose 1998-5-21 21861 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  SD224778  Myriopteris newberryi Scott D. White 1996-3-16 3833 Riverside Lakeview Mts. N of Winchester, at Maze Stone Picnic Area. 579 Comment
  RSA699658  Nama demissa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  RSA23266  Nama demissa var. deserti Ernest Braunton 1940-03 2035 Riverside Berdoo Canyon. Comment
  POM14101  Nama hispida var. revoluta P. A. Munz, D. D. Keck 1922-4-13 4931 Riverside Hayfields, Chuckwalla Valley 152 Comment
  RSA595272  Nassella lepida D. L. Banks, Victor Steinmann 1996-4-20 900 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 512 Comment
  RSA651755  Nassella pulchra E. W. Lathrop 1964-5-10 25 -2 Riverside 14 mi. W. of Murrieta. 610 Comment
  RSA802091  Nasturtium aquaticum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4988 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA180317  Nasturtium officinale E. W. Lathrop 1964-5-24 5398 Riverside 8 miles west of Murrieta Comment
  RSA736378  Navarretia atractyloides Scott D. White, Justin M. Wood 2008-5-1 11919 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR234454  Navarretia intertexta 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
  RSA234039  Navarretia prostrata R. F. Thorne, Lathorp 1969-5-12 37929 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  SEINET3812582 Image available Nemacladus glanduliferus var. glanduliferus Robert F. Thorne, W. Wisura; A. Shmida; R. Whittatker 1978-4-23 52037 Riverside San Jacinto Mtns: Chino Canyon, Palms to Pines highway Comment
  UCR30095  Nemacladus orientalis George K. Helmkamp 1983-4-5 483- 44 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA500212  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3531 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UC126891 Image available Nemacladus rubescens H. M. Hall 1905-4-17 5819 Riverside e base Indio Mt.; Colorado Desert; Indio Mt., Colorado Desert, Riverside Co. 150 Comment
  RSA678218  Nemacladus tenuis var. aliformis Valerie L. Soza, J. Mark Porter, G. D. Wallace 2001-4-2 1085 Riverside Big Morongo Wash. 473 Comment
  UCR176366  Nemacladus tenuis var. tenuis A. C. Sanders, K. C. Rose 1995-4-27 16731 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  JEPS29295  Nemophila menziesii Rimo Bacigalupi and L. Heckard 1962-3-25 8390 Riverside about 5 mi se Corona (on both sides of Temescal Wash from Santa Ana Canyon to Elsinore, just n of Bedford Canyon, eastern base of the Santa Ana Mountains); eastern base Santa Ana Mountains, n of Bedford Canyon 304 Comment
  RSA0113523  Nemophila menziesii Henry J. Ramsey, Henry J. Ramsey 1938-3-26 2558 Riverside Corona-Elsinore Rd. Comment
  RSA613472  Nemophila menziesii var. menziesii D. L. Banks, Victor W. Steinmann 1997-3-13 1449 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA699018  Nicotiana attenuata J. R. Bruff 1932-2-22 s.n. Riverside Between Edom and Garnet. Comment
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Nov 2 2011
  CLARK-A1528-885  Nicotiana bigelovii Bruce A. Beebe 1970-5-16 41 Riverside Lakeview Mountains 670 Comment
  CSUSB771  Nicotiana bigelovii Dick Bernier 1966-4-10 Riverside Found along the road in a ditch just before you enter the dirt road to the Santa Ana Mountains from Murrieta. 548 Comment
  POM98160  Nicotiana bigelovii var. wallacei Philip A. Munz 1925-5-20 9852 Riverside 2 mi. east of Aguanga. Comment
  JEPS12375  Nicotiana clevelandii S. B. Parish 1920-3-26 20011 Riverside near Palm Springs (e base of Mt. San Jacinto); Colorado Desert, Mt. San Jacinto Comment
  UCR256324  Nicotiana obtusifolia Duncan S. Bell 2012-3-18 3175 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Canyon, c. 1.5 air miles southwest of Hidden Spring 129 Comment
  RSA604859  Nicotiana quadrivalvis A. C. Sanders, J. C. Lyman 1995-4-16 16562 Riverside Glen Avon: Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  UC64483  Nicotiana quadrivalvis H. M. Hall Jun 1897 Riverside Riverside Comment
  JEPS62090  Nolina parryi Carl V. Meyer 1929-6-18 781 Riverside s Thomas Mt.; San Jacinto Mts., Hamilton grade 1219 Comment
  HSC961  Notholaena californica L. S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 183 Comment
  UC197907  Notholaena californica S. B. and W. F. Parish 1882-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mountain Comment
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Mar 9 2011
  RSA292907  Nothoscordum borbonicum F. C. Vasek 1980-5-4 s.n. Riverside Riverside. Comment
  SBBG122762  Nuttallanthus texanus A. Parikh 1990-4-27 162 Riverside Rawson Cyn, SW of Crown Valley, 1.6 km SW of jct of Crown Valley Rd and Rawson Rd 612 Comment
  UC1174407  Nuttallanthus texanus Ira L. Wiggins and W. R. Ernst 1958-5-2 225 Riverside 2 mi n of Temecula (along Highway 395) Comment
  CHSC8283  Oenothera Edward L. Smith 1957-4-3 232 Riverside 1 mi. n on hwy. 99 to 29 Palms. San Bernardino Mts. 91 Comment
  UC1241187  Oenothera californica subsp. californica Peter H. Raven 1959-4-23 14021 Riverside 4.1 mi w Dripping Springs Comment
  RSA779628  Oenothera deltoides Duncan S. Bell 2010-4-1 44222 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  JOTR00889  Oenothera deltoides Sipe, Frank 1958-3-10 259 Riverside Joshua Tree National Park. PINTO BASIN Comment
  POM226795  Oenothera elata subsp. hirsutissima P. A. Munz 1934-9-30 13238 Riverside Foot of Mt. Roubidoux, Riverside. Comment
  UC1234729  Oenothera elata subsp. hirsutissima David P. Gregory 1971-7-16 473 Riverside ca. 1 mi down a side rd to se leaving Hwy 395 ca 4 mi s of Temecula Comment
  HSC86975  Oligomeris linifolia David Charlton 1988-2-18 1179 Riverside S side of Little San Bernardino Mtns., Fargo Canyon Rd. to Cottonwood Wash, S of Joshua Tree National Park, parallel to Hwy. 10, 5 mi. E of the jct. of Dillon Rd. and Fargo Canyon Rd. 762 Comment
  RSA543876  Oligomeris linifolia Steve Boyd, D. E. Bramlet 1991-5-13 6244 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  RSA612615  Oligomeris linifolia D. L. Banks, Victor W. Steinmann 1997-3-13 1500 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
  RSA80685  Oligomeris linifolia F. W. Peirson 1927-4-12 7161 Riverside Painted canyon, near Mecca. Comment
  SEINET7259072 Image available Oligomeris linifolia Leila M. Shultz, John S. Shultz 1985-1 8262 Riverside Chuckawalla Valley sand dunes, east of the Chuckawalla Mountains 122 Comment
  UCR103586  Oligomeris linifolia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2715 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR117377  Oligomeris linifolia B. G. Pitzer 1998-2-1 3446 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR148476  Oligomeris linifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR90318  Oligomeris linifolia Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  CAS-BOT-BC154111  Olneya tesota K. Larson 1976-10-1 s.n. Riverside So. of Desert Center Comment
  UC602574  Olneya tesota Annetta Carter 1938-7-16 1431 Riverside 45 mi w Blythe; Chuckwalla Desert Comment
  POM316443  Opuntia basilaris Mark Parratt 1962-2-24 116 Riverside 7-8 miles up state Hwy 74 from Palm Desert. 701 Comment
  RSA0002173  Opuntia erinacea var. paucispina M. B. Dunkle 1934-11-3 4236 Riverside Ribbonwood, Santa Rosa Mt. Comment
  POM314641  Opuntia phaeacantha G. R. Vasey 1880-1 s.n. Riverside San Jacinto Plains. Comment
  RSA0114702  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17370 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5 km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  JEPS66898  Opuntia polyacantha W. L. Jepson 1901-5-22 1384 a Riverside between Van Deventer Flats and Santa Rosa Indian Village (probably towards Toro Peak); Santa Rosa Mts. Comment
  CAS-BOT-BC56230  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9459 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  POM278509  Opuntia polyacantha var. erinacea H. G. Rush 1950-5-10 116 Riverside 5 miles NW of Nightingale along Palms to Pines Hwy.; Santa Rosa Mts. 1524 Comment
  RSA544429  Orcuttia californica Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6335 Riverside Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of second San Diego aqueduct. Comment
  UC27847  Orobanche californica subsp. feudgei H. M. Hall May 1899 1159 Riverside San Jacinto Mountains, Van Deventer's. Comment
  UCR201408  Orobanche californica subsp. feudgei Justin M. Wood, Brandy N. Ulrich 2008-7-14 18 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  UCSB6226  Orobanche californica subsp. feudgei Ralph, F. 1959-5-17 Riverside Pines to Palms Hwy. (74), about 6.7 miles west of Pinon Flats Campground, San Jacinto Mtns. 1371 Comment
  UCR103296  Orobanche cooperi George K. Helmkamp 1998-4-4 3176 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  SEINET10902575  Orobanche cooperi David B. Dunn Dunn 2031 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  JEPS44394  Orobanche fasciculata Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4253 Riverside Santa Rosa Mts. Just below Toro Peak (i. e., south of the saddle east of the peak). Comment
  UC27883  Orobanche fasciculata H. M. Hall June 1901 2154 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert. Comment
  RSA409107  Orthocarpus purpurascens D. A. Young 1969-4-12 p- 441 Riverside 10 mi SE of Hemet, 200 yrs. E. of State St. in a wash. 335 Comment
  UC21180  Osmorhiza berteroi H. M. Hall 1901-7 2592 Riverside Tamarack Valley San Jacinto Mountains 2682 Comment
  UCR34981  Osmorhiza brachypoda L. B. Ziegler 1972-4-7 447 Riverside San Jacinto Mtns., canyon on N slope Baldy Mtn. 1646 Comment
  CHSC109713  Oxalis albicans subsp. californica Scott D. White 2003-3-21 8825 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
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May 28 2018
  POM353434  Oxalis albicans subsp. pilosa Carl B. Wolf 1932-3-20 21 Riverside Richman Ranch, 2.5 miles no. of De Luz; S.W. Riverside County. 457 Comment
  SEINET3289842 Image available Oxytheca emarginata M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1452 Riverside San Jacinto Mountains region: Northeast of South Ridge trailhead, east of Idyllwild. 2012 Comment
  RSA653547  Oxytheca trilobata Scott D. White 1999-5-24 7381 (2 repl. total) 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
  UCR121240  Oxytheca trilobata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2285 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  CHSC20912  Paeonia californica Robert A. Schlising 1972-3-11 3011 Riverside Southwest of Corona, in large wash near margin of Cleveland National Forest. Comment
  POM270840  Paeonia californica Lyman Benson 1932-3-26 3178 Riverside Temecula Grade. Temecula Valley. 549 Comment
  SD137699  Paeonia californica Darin L. Banks, Steve Boyd 1995-3-15 66 Riverside Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, Dorland Mtn. Area. 701 Comment
  UCR76063  Paeonia californica B. G. Pitzer, Stu Hemstreet 1992-5-21 1937 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  CAS-BOT-BC327918  Palafoxia arida Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC327941  Palafoxia arida J. Von Loh 1978-1-24 3308 Riverside Near Nichols Warm Spring 121 Comment
  UCD134902  Palafoxia arida L. S. Rose 1936-1-1 s.n. Riverside L.A. Aqueduct Road, 15 miles north of Indio. 304 Comment
  JEPS30724  Palafoxia arida var. arida Peter H. Raven 1962-4-7 17119 Riverside San Gorgonio Pass E of Banning 396 Comment
  RSA779200  Palafoxia arida var. arida J. Andre 2011-2-9 15937 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA779623  Palafoxia arida var. arida Duncan S. Bell 2010-4-1 655 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UC604859  Palafoxia arida var. arida Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9524 Riverside Pinto Basin 16 mi from Cottonwood Springs Comment
  UCR234807  Palafoxia arida var. arida Jim Andre, Glenn L. Clifton 2011-2-22 17470 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  NY43273  Palafoxia linearis var. linearis C. R. Annable 1995-3-16 2299 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  UC1929469  Panicum acuminatum var. acuminatum Scott D. White, Michael Honer 2003-6-3 9494 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  SBBG89156  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside across from street from 1012 Spruce St., Riverside 304 Comment
  RSA715088  Panicum urvilleanum Sarah J. De Groot, J. Mark Porter 2006-3-14 5199 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  RSA192346  Papaver californicum E. W. Lathrop 1967-5-14 306 Riverside 1-2 miles SW of Murrieta on the De Luz road. Comment
  SD217341  Papaver californicum Steve Boyd, Tim Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mountain, east of Dripping Springs campground of Cleveland National Forest, South of Highway 79. 548 Comment
  RSA0126638  Parietaria hespera Duncan S. Bell 2016-3-4 8799 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA314455  Parietaria hespera var. hespera Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55462 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SD173017  Parietaria hespera var. hespera Melvin M. Sweet 2005-4-14 124 Riverside Anza-Borrego State Park; about 1.5 km NE of Middle Willows in Coyote Canyon; on hill on east side of Coyote Wash 634 Comment
  JEPS121546  Parkinsonia florida Adam C. Schneider with Will Freyman 2014-2-16 392 Riverside Box Canyon Road. Comment
  SD236442  Parthenocissus vitacea A. C. Sanders, D. L. Sanders 2008-9-27 36104 Riverside San Bernardino Valley Region: Santa Ana Riverbottom at Norco between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 164 Comment
  RSA343104  Paspalum dilatatum R. F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60630 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along seasonal stream in Cole Canyon, near entrance 534 Comment
  RSA0031466  Pectis papposa Kristin Forgrave, Joshua Paolini 2013-8-7 30 Riverside At Ford Dry Lake, just north of I-10. Margins of lake bed. Comment
  RSA793609  Pectis papposa Duncan S. Bell, Aaron C. Sedgwick 2012-9-13 4204 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, 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
  SEINET3828350  Pectis papposa Amber Swanson, Linda Jean Foster 2011-1 643 Riverside Washes in the Little Santa Maria Wilderness W of Midland/Blythe-Rice Rd. 272 Comment
  SEINET10799086  Pectis papposa David B. Dunn 1946-8-17 Dunn 2719 Riverside Round meadow dry hillside among Lodge Pole Pines. San Jacinto Mts. 2438 Comment
  JOTR35015  Pectis papposa var. papposa La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3113 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  OBI7762  Pectis papposa var. papposa David J. Keil 1975-8-27 10994 Riverside 8 mi W of Desert Center along I-10 Comment
  RSA782002  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-13 113 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 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
  RSA703366  Pectocarya heterocarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1445 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG87400  Pectocarya heterocarpa A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6017 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UCD80955  Pectocarya heterocarpa Chuck Hughes 2009-3-23 60 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR127568  Pectocarya heterocarpa A. C. Sanders, P. J. MacKay, G. MacKay, A. Knapp, C. Sanders 1995-2-19 15944 Riverside Sonoran (Colorado) Desert, Coachela Valley at foot of Santa Rosa Mtns; ancient fish traps 2.2 mi west of Valerie 0 Comment
  SEINET238536  Pectocarya linearis T. B. Salvato, Mitch Provance; AC Sanders et al. 2000-4-30 65 Riverside Riverside: Box Springs Mtns. along road to radio towers from reserve parking lot. 792 Comment
  UCR96871  Pectocarya linearis Scott D. White 1993-3-12 1176 Riverside Near Winchester 466 Comment
  RSA528100  Pectocarya linearis subsp. ferocula Steve Myers 1991-4-15 91 -16 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  RSA611563  Pectocarya linearis subsp. ferocula R. S. Woglum 1939-4-22 2194 Riverside Peninsular Ranges: Near Aguanga; Cleveland National Forest. Comment
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Jun 9 2012
  UCD120129  Pectocarya linearis subsp. ferocula T. B. Salvato; A. C. Sanders 2005-5-17 888 Riverside San Jacinto Mtn foothills San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and N of Calif. Hwy 74. 549 Comment
  JEPS68207  Pectocarya penicillata W. L. Jepson 1901-5-20 1323 Riverside Thomas Valley San Jacinto Mts., Thomas Valley 1341 Comment
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Feb 16 2013
  UCR174067  Pectocarya penicillata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32630 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR175238  Pectocarya platycarpa Jim Andre, T. La Doux 2006-4-11 6743 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCSB36130  Pectocarya platycarpa Roberts, Dar 1980-3-26 Riverside 1 mile south southern entrance to Joshua Tree National Monument; 1/4 mile E. Rd. 750 Comment
  POM368815  Pectocarya recurvata N. C. Cooper 1949-4-8 3287 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA500996  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3115 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  SEINET7073385  Pectocarya recurvata A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCD120134  Pectocarya recurvata Geoffrey Levin 1976-3-27 688 Riverside Chino Canyon, west of Palm Springs, alluvial fan of the San Jacinto Mountains. 396 Comment
  UCR59676  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3041 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  UCR91517  Pectocarya recurvata A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  UCR68716  Pectocarya setosa Steve Boyd, T. S. Ross 1990-5-11 4611 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  UCR91598  Pedicularis densiflora D. L. Banks, Steve Boyd 1995-3-15 0060 Riverside NW Palomar Mtns, Agua Tibia Mountains Watershed: Agua Tibia Wilderness Area, N face of Agua Tibia Mountain, Dorland Mountain area 680 Comment
  CLARK-A1528-3588  Pellaea andromedifolia John C. Roos 1937-5-2 1417 Riverside La Sierra Comment
  JEPS19070  Pellaea andromedifolia Marjorie D. Clary 1932-3-20 1626 Riverside nw of Garnet (Mission Creek); Colorado Desert 609 Comment
  UCR241684  Pellaea andromedifolia T. B. Salvato 2013-3-22 7409 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  IRVC3145  Pellaea mucronata M. Savage 1965-4-24 HS 588 Riverside Hwy 71, 1 mile W of Dripping Springs Gaurd Station. Peninsular Ranges Comment
  RSA747570  Pellaea mucronata Michael Honer 2003-4-16 1830 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. 640 Comment
  SD229013  Pellaea mucronata subsp. mucronata Dick Schwenkmeyer 2012-3-26 673 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA599122  Pennisetum setaceum V. W. Steinmann 1996-3-16 812 Riverside Northeast foothills of the San Jacinto Mountains, lower portion of Chino Canyon alluvial plain, 1 kilometer S of Highway 111 at a point ca. 1.5 kilometer NW of the Tramway-San Rafael intersection. 300 Comment
  RSA747986  Pennisetum setaceum Scott D. White, Justin M. Wood 2009-4-29 12619 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  SD229047  Pennisetum setaceum Dick Schwenkmeyer 2012-5-22 711 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  RSA401846  Penstemon X parishii E. C. Jaeger 1929-6-8 s.n. Riverside McMullen Trail [Banning to McMullen Flat] 1280 Comment
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Nov 5 2011
  CLARK-A1045-286  Penstemon centranthifolius George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  RSA662561  Penstemon centranthifolius Tamara Joy Hanna 1991-5-4 6 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east of Coyote Canyon Road (dirt) approx. 2 miles. 1220 Comment
  RSA757625  Penstemon centranthifolius LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4333 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
  UCR107743  Penstemon centranthifolius D. L. Banks 1997-5-5 1977 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR122741  Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-4-24 3380 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  RSA97014  Penstemon centranthifolius R. M. Straw 1953-6-4 430 Riverside Pinyon Flat on Palms to Pines Hwy. Comment
  RSA97019  Penstemon clevelandii subsp. connatus R. M. Straw 1953-6-4 444 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  UCR35257  Penstemon clevelandii subsp. connatus L. B. Ziegler 1969-5-7 355 Riverside San Jacinto Mtns., Pinyon Flats 1250 Comment
  POM15010  Penstemon labrosus Mary F. Spencer 1922-7-2 961 Riverside Idyllwild. 1707 Comment
  JEPS11104  Penstemon rostriflorus Marjorie D. Clary 1932-7-4 968 Riverside 10 mi sw Kenworthy (Santa Rosa Mts.); , sw of Kenworthy 1371 Comment
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Nov 1 2011
  POM50429  Penstemon spectabilis J. D. Abrams 1900-5-20 s.n. Riverside Elsinore. Comment
  RSA20208  Penstemon spectabilis Carl B. Wolf 1938-6-11 9417 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  UCSB11543  Penstemon spectabilis Otto, Karen 1962-5-5 Riverside 6.5 miles south of Banning on road to Idyllwild 1158 Comment
  RSA96912  Penstemon spectabilis R. M. Straw 1953-6-5 448 Riverside 0.3 mi. west of Palms to Pine Hwty, on road to Anza. Comment
  UC54996  Penstemon spectabilis var. spectabilis H. M. Hall May 17 1901-Jun 1 1901 1893 Riverside Coyote Canyon El Toro Mt. Comment
  CAS-BOT-BC239692  Penstemon thurberi Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  CAS-BOT-BC330348  Pentachaeta aurea H. M. Hall 1901-6-1 2057 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  PASA1698  Pentachaeta aurea Margaret Stason 1931-5-24 Riverside pine woods, idyllwild Comment
  RSA0060325  Pentagramma triangularis Darin L. Banks, Lauren Raz 1996-11-5 1171 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, ESE of San Gabriel Church; Along the floodplain of the southern fork of Pechanga Creek. 415 Comment
  SDSU13489  Pentagramma viscosa Brant Primose, Plant Taxonomy class with Dr. Simpson 2000-4-1 10 Riverside Santa Margarita Ecological Resrve trail 1/10 of a mile north side of SDSU facility 320 Comment
  JOTR35061  Perityle emoryi La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3513 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  POM19633  Perityle emoryi Mary F. Spencer 1923-6-5 2213 Riverside Soboba Hot Springs, near San Jacinto. 549 Comment
  RSA0118004  Perityle emoryi Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7624 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UC170155  Perityle emoryi E. E. Schellenger 1894-12-3 104 Riverside Churckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  UCR20759  Perityle emoryi A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1308 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  SEINET10800180  Perityle emoryi David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3710 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  JOTR35180  Persicaria lapathifolia Harding, Mitzi, T. Herskovits 2011-9-14 162 Riverside Joshua Tree National Park. Queen Mountains; west side of Barker Dam; small riparian zone in and along drainage from dam 1300 Comment
  RSA653436  Petalonyx thurberi Scott D. White 1999-6-1 7438 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Porposed aggregate mine expansion. 150 Comment
  SEINET2073357  Petalonyx thurberi S. Rhodes 2000-9-14 147 Riverside Desert Center, Dillon Road exit off I-10, sandy, disturbed area in Larrea tridentata desert. 274 Comment
  CAS-BOT-BC326837  Peucephyllum schottii Marcus E. Jones 1930-4-1 s.n. Riverside Shaver's Well Comment
  JOTR32906  Peucephyllum schottii Andre, Jim, Tasha La Doux 2009-3-10 11248 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA5169  Peucephyllum schottii C. B. Wolf 1932-4-26 2980 Riverside Colorado Desert, 8 miles East of Mecca on Blythe road. 91 Comment
  RSA709861  Phacelia ambigua Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4585 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  POM13112  Phacelia brachyloba P. A. Munz, I. M. Johnston 1922-5-19 5344 Riverside 5 mi. E of Murrieta. 488 Comment
  POM307237  Phacelia brachyloba Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2111 Riverside Santa Rosa Mountains. Comment
  JOTR34190  Phacelia campanularia subsp. campanularia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2984 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
  POM282658  Phacelia campanularia subsp. vasiformis Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver s Well, near Mecca, Colorado Desert. Comment
  SD244170  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-4-2 40757 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, south of I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 405 Comment
  SJSU11233  Phacelia cicutaria var. hispida G. B. Youngberg 1956-3-29 214 Riverside by Lake Matthews c. 8 mi E of Corona Comment
  UCR3163  Phacelia cicutaria var. hispida M. Wexler 1973-5-13 s.n. Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 10.18 mi from Orange Co. line on State Route 74, east face of mountains 457 Comment
  HSC13640  Phacelia crenulata R. A. Eagle 1964-3-28 18 Riverside N end of Salton Sea State Park Comment
  RSA0035906  Phacelia crenulata var. ambigua J. M. Andre 2013-3-27 24829 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  RSA658623  Phacelia crenulata var. ambigua Trudy R. Ericson 1975-4-26 295 Riverside 2.8 mi. on jeep road which intersects Shivers Wells Road 28mi. east of Mecca on north side of paved road. 366 Comment
  RSA0094788  Phacelia crenulata var. minutiflora Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7936 Riverside San Gorgonio Pass area, between Cabazon and Whitewater, just south of Interstate 10, where the Pacific Crest Trail passes under the freeway. 397 Comment
  SEINET4391066 Image available Phacelia crenulata var. minutiflora Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4583 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock 402 Comment
  UC1595792  Phacelia crenulata var. minutiflora W. Wisura, J. Dolan, M. Wall 1992-3-25 4647 Riverside n I-10; Lowdesert, Ford Dry Lake, Hopkins Well Comment
  CAS-BOT-BC133955  Phacelia distans Milo S. Baker 1928-4-3 3310 Riverside Palm canon Comment
  CLARK-A1045-321  Phacelia distans George K. Helmkamp 1977-3-20 Riverside Morongo Indian Reservation edge of hills, north of the Malki Museum; ; Cabazon 7.5'Q Comment
  RSA49196  Phacelia distans P. A. Munz 1949-4-13 13047 Riverside above Cottonwood Springs, west end Eagle Mts. Colorado Desert 1098 Comment
  RSA519257  Phacelia distans 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
  RSA74954  Phacelia distans F. W. Peirson 1918-03 955 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  SD178224  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. In open area on gentle slope at foot of hills. 377 Comment
  SEINET3091906 Image available Phacelia distans John Adams 1965-5-9 207 Riverside NE side of San Jacinto Mountains, Palm Springs area, 1 mi. below tramway up Mount San Jacinto. Comment
  SEINET3523574 Image available Phacelia distans Jim Andre 2011-2-2 16239 Riverside Coachella Valley: mouth of Big Moronga Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 (Moronga Valley 7.5' Q). 487 Comment
  UC1719474  Phacelia distans D. Atwood 1993-3-26 17673 Riverside 3 mi N of I-10 along Hwy 62 to Morongo Valley Comment
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Dec 18 2016
  UCR135995  Phacelia distans Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR41276  Phacelia distans B. G. Pitzer 1986-2-9 0001 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
  POM9586  Phacelia distans I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  RSA0055025  Phacelia distans Jim Shevock 1971-3-6 741 Riverside White Tank, Joshua Tree National Monument. 1001 Comment
  RSA622  Phacelia imbricata subsp. patula J. T. Howell 1927-8-2 559 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  UC69330  Phacelia ivesiana var. pediculoides L. A. Greata April 1905 Riverside Coachella Comment
  RSA524582  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4130 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
  RSA67760  Phacelia minor G. R. Campbell 1951-4-22 16071 Riverside Hwy 74, 4 mi. above Cranston Ranger Stn. 1006 Comment
  RSA699774  Phacelia minor Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  RSA777159  Phacelia minor Steve Boyd, S. G. Jett 2008-3-20 11826 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  SD143841  Phacelia minor A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20655 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat) N slope of peak 3740 1067 Comment
  SEINET7907895  Phacelia minor D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  UCR116967  Phacelia minor A. C. Sanders, T. B. Salvato 2001-5-3 24092 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  CLARK-A1045-872  Phacelia pachyphylla George K. Helmkamp 1978-6-1 #3 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA78725  Phacelia pedicellata P. A. Munz 1952-4-15 17342 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  UCR199571  Phacelia ramosissima Scott D. White, Angelia Carey 2004-7-2 10593 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UC107413  Phacelia ramosissima var. montereyensis C. C. Parry 1880-1 180 Riverside Temecula Comment
  RSA526084  Phacelia suaveolens var. keckii Steve Boyd, T. S. Ross 1990-5-11 4657 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
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Jul 21 2018
  UC1265368  Phalaris caroliniana Robert F. Thorne and Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau Mesa de Colorado; , Mesa de Colorado 624 Comment
  CLARK-A1528-4798  Phalaris paradoxa John C. Roos 1943-4-3 2616 Riverside San Timoteo Canyon 457 Comment
  RSA717648  Phalaris paradoxa Scott D. White, Pam DeVries 2006-3-14 11246 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR182516  Phalaris paradoxa Mitch Provance 2005-5-17 6569 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
  JEPS83130  Phleum alpinum Carl V. Meyer 1928-7-26 538 Riverside Deer Springs 2651 Comment
  RSA160517  Pholistoma auritum J. D. Olmsted 1959-4-17 415 Riverside Eagle T.T. 0.5 mile east of intersection with Main Divide T.T.; 10 miles SSW of Corona. Santa Ana Mountains, Santa Ana River Drainage Area 732 Comment
  UCR102917  Pholistoma membranaceum George K. Helmkamp 1997-3-5 1340 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  JOTR29445  Phoradendron californicum La Doux, Tasha, Mike Bell 2006-3-8 1343 Riverside Joshua Tree National Park. Hayfield spring Comment
  LA209837  Phoradendron californicum S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  RSA475287  Phoradendron californicum Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2103 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR196346  Phoradendron californicum Naomi Fraga, Lisa Rojas 2005-2-10 1413 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  CAS-BOT-BC171153  Phoradendron serotinum subsp. tomentosum P. A. Munz; E. K. Balls 1952-8-21 17969 Riverside Hamilton Canyon, SE end of San Jacinto Mountains 1432 Comment
  UC6088  Phoradendron villosum Mrs. Gregory 1890-1 Riverside at San Jacinto San Jacinto Comment
  UCR200324  Phragmites australis Steve Boyd 2007-4-20 11721 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  HSC27764  Physalis crassifolia R. W. Spjut 1973-5-3 3343 Riverside Colorado Desert; N face of Chuckawalla Mts. 3-4 mi. S of Desert Center 305 Comment
  RSA480023  Physalis crassifolia Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2152 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA777394  Physalis crassifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 790 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA79899  Physalis crassifolia J. Ewan 1931-4-2 4089 Riverside Moist sand under Smoke Trees; 2 mi. north of Oasis. Comment
  SBBG6614  Physalis crassifolia H. and M. Dearing 1940-1-1 4057 Riverside Painted Cyn, near Mecca Comment
  SBBG6619  Physalis crassifolia H. and M. Dearing 1936-12-25 1711 Riverside Aqueduct Rd, 10 mi N of Indio [Long Cyn] Comment
  UC494680  Physalis crassifolia Philip A. Munz 1932-3-15 12004 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  UCR103322  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2653 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR166862  Physalis crassifolia Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCSB9400  Physalis crassifolia Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Boy Canyon Comment
  CDA7185  Phytolacca americana A. C. Sanders, T. B. Salvato, Helen Kennedy, A. Salzman 2006-11-9 33220 Riverside San Bernardino Valley; Riverside, UCR Botanical Garden, subtropical fruit orchard on the north side of the garden. Comment
  RSA234024  Pilularia americana R. F. Thorne, Earl Lathrop 1969-6-6 39321 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  UCR26952  Pinus coulteri E. W. Lathrop 1966-5-29 6386 Riverside Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCSB25061  Pinus lambertiana Gliessman, Stephen 1966-5-14 Riverside On Saddle Junction Trail about 1/2 mile northwest of Tahquitz Rock., San Jacinto Mtns. 2560 Comment
  UC64438  Pinus monophylla W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1880 Riverside e base San Jacinto Mt. San Jacinto Mt. 1219 Comment
  RSA762011  Pinus ponderosa Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 663 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCD14088  Pinus quadrifolia Stephen K. Langer 1995-4-8 s.n. Riverside California, Riverside Co.; Highway 371, ca. 0.5 mi. from junction with Highway 74, Santa Rosa Mountains, Comment
  UCR94260  Plagiobothrys Scott D. White 1996-4-14 3893 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  CLARK-A1528-2258  Plagiobothrys californicus John C. Roos 1941-4-19 Riverside Reche Canyon Comment
  JEPS68010  Plagiobothrys collinus W. L. Jepson 1939-4-17 19130 Riverside near Twin Springs; Temescal Canyon 274 Comment
  UCR139163  Plagiobothrys collinus S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR96806  Plagiobothrys collinus A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19771 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
  RSA700096  Plagiobothrys collinus var. californicus Virginia Moran 2003-4-2 s.n. Riverside Collected from Warm Springs Preserve, managed by the Center for Natural Lands Management. Located approximately 8 km. north of Temecula, approximately 3 km. northeast of the end of Hunter Road. Comment
  UCR241931  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2013-3-27 40692 Riverside Peninsular Range, Alberhill, along west side of Lake St. near the old clay mines, 0.85 km south of I-15 Fwy 389 Comment
  UC1608292  Plagiobothrys fulvus Steve Boyd and Tim Ross 1992-5-5 7247 Riverside grassland area s Oak Flats (sw of Bluewater Trail); southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  SEINET10456329  Plagiobothrys leptocladus John C. Roos 1952-4-23 Roos 5572 Riverside 1 mile southeast of Perris. 427 Comment
  SD185172  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, wouth of Murrieta; small mesa southwest of Mesa de Burro. 579 Comment
  POM287591  Plagiobothrys tenellus Lyman Benson 1932-3-26 3175 Riverside Temecula Grade. Temecula Valley. 549 Comment
  UCR280979  Plantago elongata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 81 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  RSA524609  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3932 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  OBI53571  Plantago ovata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2104 Riverside N end Palen Mts, 2 mi W of Palen Pass 300 Comment
  UC450059  Plantago ovata Ivan Johnston Apr 4 1917-Apr 6 1917 1006 Riverside near Palm Springs; Colorado Desert 152 Comment
  POM312789  Plantago ovata var. fastigiata D. Taylor 1951-3-23 19 Riverside N of Blythe along Colorado River, Maria Mt Rang. 335 Comment
  POM4543  Plantago ovata var. fastigiata I. M. Johnston 1917-4-6 s.n. Riverside Palm Canyon. 274 Comment
  RSA278979  Plantago ovata var. fastigiata Barry A. Prigge, L. Martinez 1978-3-23 2425 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA68986  Plantago ovata var. fastigiata F. W. Peirson 1930-3-29 8693 Riverside Painted canyon, near Mecca. Comment
  RSA720467  Plantago patagonica Naomi Fraga, Tim Thibault 2006-5-16 1673 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  RSA588170  Platanus racemosa D. L. Banks, Victor W. Steinmann 1995-7-10 748 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  RSA652518  Platanus racemosa T. C. Thomas 1974-7-5 s.n. Riverside Riverside. 366 Comment
  RSA659486  Platanus racemosa Bob Rogers 1984-4-14 6 Riverside Collected in the San Jacinto river-bed on the North side of Hwy 74, 0.6 miles past Cranston ranger station going east from Hemet towards Mountain Center. 610 Comment
  SD137694  Platystemon californicus Darin L. Banks, Peter Morrell 1995-5-4 311 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slospe of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail. 730 Comment
  JEPS5135  Plectritis ciliosa subsp. insignis C. V. Meyer June 1927 156 Riverside San Jacinto Mountain, Saunders Meadow Saunders Meadow; San Jacinto Mountain, Saunders Meadow Comment
  UCR90397  Plectritis ciliosa subsp. insignis D. L. Banks, Steve Boyd 1995-5-9 0388 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  RSA761079  Pleuraphis rigida Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-4-22 159 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  UC1979838  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Mojave Desert; East Mojave Desert region: Dune system along Midland Rice Road, South Arica Mountains. Comment
  CAS-BOT-BC356105  Pluchea odorata J. Ewan 1931-10-3 5210 Riverside Santa Ana River 4 miles N.W. of Corona Comment
  POM4878  Pluchea odorata Geo R. Hall 1905-09 s.n. Riverside Riverside Comment
  JEPS40437  Pluchea sericea W. L. Jepson May 17 1901-Jun 1 1901 1375 Riverside Palm Canyon and return to Van Deventer's Comment
  UCR207463  Poa annua O. F. Clarke 2004-2-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA604606  Poa annua L. C. Wheeler 1961-6-24 7915 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  RSA741079  Poa pratensis Scott D. White, Justin M. Wood 2008-6-16 12106 Riverside Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA752876  Poa pratensis Orlando Mistretta 2009-7-10 4001 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  UCD91843  Poa pratensis Alan A. Beetle 1946-6-20 4397 Riverside San Jacinto Mt., near Idlewilde. 1219 Comment
  UCR201480  Poa pratensis Scott D. White, Justin M. Wood 2008-6-16 12106 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR201616  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  POM261351  Poa secunda P. A. Munz 1940-3-22 15658 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  UCR20815  Poa secunda A. C. Sanders, Steve Boyd 1980-4-17 1340 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  UC77794  Poa secunda subsp. juncifolia Frank W. Gould 1944-4-5 2235 Riverside 17 mi e Temecula (on Hwy 79) Comment
  UCR49989  Polygonum aviculare S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  RSA708073  Polypodium californicum Scott D. White, Angelia Carey 2004-4-16 10181 Riverside Indian Creek and adjacent slopes. 549 Comment
  UCR4  Polypodium californicum Eugene Cardiff 1950-2-25 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mtns.] 366 Comment
  RSA599400  Polypodium hesperium R. E. Riefner, C. Jones 1996-8-28 96 -159 Riverside San Jacinto Mountain, W summit of Devil's Slide Trail Comment
  CAS-BOT-BC232947  Polypogon australis H. M. Hall 1900-5-29 1384 Riverside Vicinity of Winchester, near Sage 457 Comment
  UCR2727  Polypogon monspeliensis F. M. Reed 1903-12-13 414 Riverside South Coast; San Bernardino Valley, Riverside, near natural bridge in Arroyo Chico [Terraces Ranch, 547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA0051251  Polypogon monspeliensis John C. Roos 1952-4-23 5576 Riverside West side of Box Springs Mts. above Canyon Crest Heights. 457 Comment
  UCR146198  Polystichum imbricans subsp. curtum Gordon Marsh 1978-10-31 s.n. Riverside Santa Ana Mtns., Bear Spring 1209 Comment
  RSA5075  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Along the Colorado River near the Blythe Bridge. 91 Comment
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Mar 26 2011
  CAS-BOT-BC356157  Porophyllum gracile A. C. Sanders; T. B. Salvato; Kelly Volansky 2006-5-28 32644 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  CAS-BOT-BC356168  Porophyllum gracile W. L. Jepson 1912-10-22 5242 Riverside Riverside Mts. 137 Comment
  CAS-BOT-BC356170  Porophyllum gracile A. J. McC. 1892-4-1 109 Riverside Elsinore Comment
  UCR206970  Portulaca oleracea Mike Misenhelter 2009-7-29 s.n. Riverside Peninsular Range/ San Bernardino Valley, Riverside; Arlington area, west side of Van Buren Blvd. at north side of Lincoln St., across from drive-in theater 259 Comment
  UCR35307  Potamogeton crispus L. B. Ziegler 1974-7-9 530 Riverside Peninsular Range; San Jacinto Mtns., Hemet Lake 1335 Comment
  UCR37485  Potamogeton crispus Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  CSUSB1139  Prosopis glandulosa K. A. Lamb 1968-4-21 680421 2 Riverside 1 mile east of Mecca, Highway 195. Roadside, Alkali Sink. Comment
  CAS-BOT-BC158582  Prunus David Dreyer 1968-4-9 s.n. Riverside Along north facing slopes of south side of Morongo Valley 609 Comment
  SD260298  Prunus dulcis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42420 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161a^z) of water tank. 473 Comment
  SD229260  Prunus fremontii Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 629 Riverside Mt. San Jacinto 1085 Comment
  UCR49245  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  SEINET3388635 Image available Psathyrotes ramosissima Lewis S. Rose 1938-12-19 38326 Riverside 6 mi. s. of Cathedral City. 46 Comment
  UC1595718  Psathyrotes ramosissima W. Wisura, J. Dolan, and M. Wall 1992-3-24 4622 Riverside 6.0 mi ne Mecca (on Box Canyon Rd.) Comment
  HSC5683  Pseudognaphalium biolettii D. W. Snell 1964-3-28 36 Riverside 1 1/2 mi. E of Hwy. 79. 5 mi. S of Hemet Comment
  UCR98065  Pseudognaphalium biolettii A. C. Sanders 1997-3-1 19714 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SFV3941  Pseudognaphalium californicum P. G. Kilburn 1958-5-17 814 Riverside 3 miles south of Banning. 305 Comment
  UC62971  Pseudognaphalium thermale H. M. Hall 1897-8-1 835 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  RSA344289  Psilocarphus brevissimus R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51970 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA85082  Psilocarphus brevissimus J. C. Roos 1952-4-30 5601 Riverside Edgemont, near Box Springs 488 Comment
  UCR280721  Psilocarphus brevissimus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 22 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UC56448  Psorothamnus arborescens var. simplicifolius H. M. Hall and W. L. Jepson May 17 1901-Jun 1 1901 1832 Riverside near Palm Canyon 609 Comment
  CAS-BOT-BC353617  Psorothamnus emoryi S. B. Parish 1896-4-1 4112 Riverside Palm Springs, Colorado Desert Comment
  RSA498339  Psorothamnus emoryi T. W. Minthorn 1926-5-13 s.n. Riverside Near Indio. Comment
  SBBG34735  Psorothamnus emoryi T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UC1129831  Psorothamnus emoryi H. S. Yates 1936-4-7 5439 Riverside 2 mi s Willis Palm; Thermal Quad., s of Willis Palm Comment
  UC15159  Psorothamnus emoryi S. B. Parish Apr 4 1896-Apr 13 1896 4112 Riverside desert base of San Jacinto Mt., Palm Springs (Agua Caliente) desert base San Jacinto Mt., Palm Springs (Agua Caliente) 152 Comment
  UC52160  Psorothamnus emoryi E. E. Schellenger Jul 25 1903-Aug 14 1903 1 Riverside between Palm Springs and Whitewater; Colorado Desert, betw Palm Springs and Whitewater Comment
  UC570208  Psorothamnus emoryi H. S. Yates 1936-4-7 5439 Riverside two mi s Willis Palms (Coachella Valley); , s of Willis Palms 243 Comment
  UCR244915  Psorothamnus emoryi Jim Andre 2012-3-19 21356 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  SD37837  Psorothamnus emoryi var. emoryi Edith A. Purer 1935-4-21 6463 Riverside In colorado Desert near Palm Springs Comment
  CAS-BOT-BC340875  Psorothamnus schottii John Thomas Howell 1928-3-25 3548 Riverside At entrance to Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC340898  Psorothamnus schottii Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Palm Springs Comment
  CHSC848  Psorothamnus schottii M. Anthony 1954-4-15 Riverside Near Coachella. Comment
  RSA404253  Psorothamnus schottii Robert Gustafson 1982-5-19 2560 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  SDSU5216  Psorothamnus schottii D. F. Howe 1952-4-27 2190 Riverside 5 miles south of highway east of Mecca, along All-American Canal. Comment
  UCR100131  Psorothamnus schottii B. G. Pitzer 1997-10-19 3352 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  POM96259  Psorothamnus schottii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
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Feb 3 2011
  JOTR32401  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Cottonwood Canyon, between Cottonwood and Eagle Mountains; Along Cottonwood Spring Road; Large, active, sandy wash 741 Comment
  SEINET951768  Pteridaceae Norman C. Cooper 1944-1 1085 Riverside Andreas Canyon, Riverside County 457 Comment
  UC63824  Pterospora andromedea H. M. Hall 1901-6 2467 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  UCR243576  Pterostegia drymarioides Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21109 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UCSB38763  Quercus X munzii Muller, Cornelius 1952-3-23 Riverside Live-oak Tank, Joshua Tree National Monument Comment
  SD244164  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range: Temescal Canyon, east of Glen Ivy near where Temescal Canyon Road passes under I-15 (Lake Mathews 7.5'Q) 317 Comment
  SBBG58052  Quercus chrysolepis J. E. Butner 1948-10-3 655 Riverside trail from Idyllwild to San Jacinto Pk 2286 Comment
  UCR169240  Quercus chrysolepis Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 84 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  UCR189807  Quercus engelmannii Angela Hyder 2006-10-2 080 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  SD185232  Quercus palmeri D. E. Bramlet, Fred M. Roberts 2004-4-13 3552 Riverside South Bernasconi Hills, 1.3 km south of Ramona Expressway and 1.4 km west of San Jacinto river. 515 Comment
  RSA162838  Quercus wislizeni var. frutescens J. D. Olmsted 1959-4-17 403 Riverside Sugarloaf Peak along Main Divide Motorway 100yd. east of Radar station turnoff. Santa ana Mtns. 1128 Comment
  RSA520082  Quercus wislizeni var. frutescens Steve Boyd, D. Bramlet 1988-10-8 2868 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  SFV13154  Quercus wislizeni var. wislizeni M. J. Thor 1982-9-18 152 Riverside San Jacinto Mountains Idyllwild Park. Very rocky slopes 1 hour west of camp. 1677 Comment
  UCR209657  Quercus wislizeni var. wislizeni Fred M. Roberts, Robt. L. Allen 2008-6-23 7049 Riverside Santa Ana Mountains, Santiago Peak, eastern slope, Main Divide Truck Trail, at the junction with Coldwater Trail, 1.5 km east-northeast of the summit of the peak 1479 Comment
  RSA783426  Rafinesquia californica J. D. Olmsted 1959-5-1 526 Riverside Spring Trail on Beacon Pines Ranch, 9 miles SW of Corona. Santa Ana Mts. 770 Comment
  SD144018  Rafinesquia californica A. C. Sanders, P. Mackay, T. Thomas, and O. Clarke 1997-5-4 20643 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of 3740. 1067 Comment
  UCR167820  Rafinesquia californica John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  CLARK-A1528-2075  Rafinesquia neomexicana John C. Roos 1947-3-1 3304 Riverside Garnet Comment
  RSA778629  Rafinesquia neomexicana Duncan S. Bell 2009-3-8 70 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  SEINET6035485  Rafinesquia neomexicana Ivan Johnston 1917-4-4 Riverside Palm Canyon. Comment
  UCR177264  Rafinesquia neomexicana Scott D. White 2003-3-23 8833 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  RSA0013146  Ranunculus californicus var. californicus LeRoy Gross, Caitlin Elam 2013-5-14 6072 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  POM12901  Ranunculus cymbalaria var. saximontanus P. A. Munz 1922-6-30 5897 Riverside Santa Rosa Mts.: Santa Rosa. 1982 Comment
  RSA613313  Raphanus sativus D. L. Banks 1997-3-1 1378 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
  UCR96039  Rhamnus alaternus A. C. Sanders 1996-3-14 17972 Riverside Riverside: UCR Campus, east of Health Services along dry arroyo 335 Comment
  CLARK-A1528-5196  Rhamnus crocea John C. Roos 1952-2-29 5378 Riverside Reche Canyon 457 Comment
  UCR241774  Rhamnus crocea A. C. Sanders, Timothy W. Chumley 2013-3-29 40712 Riverside Peninsular Range; Elsinore Area, Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km south of intersection with Temescal Canyon Rd. 378 Comment
  CAS-BOT-BC56049  Rhamnus ilicifolia P. C. Everett 1935-6-18 7207 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1 1/2 mi. below (No.) main divide motorway 1280 Comment
  SBBG44538  Rhamnus ilicifolia W. B. Holt 1941-10-23 18 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  SD10085  Rhamnus ilicifolia Daniel Cleveland 1882-5-5 Riverside Temecula Comment
  UC592932  Rhamnus tomentella subsp. cuspidata Carl B. Wolf 1932-8-6 Riverside base of Devil's Slide Trail to Tahquitz Valley; San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR240623  Rhus aromatica Tracy Tennant, Mitch Provance 1998-6-16 MOR- 437 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  HSC101784  Rhus ovata J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13191 Riverside Along State Route 74 1227 Comment
  IRVC86  Rhus ovata Charley Ford 1965-4-20 s.n. Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  POM2725  Rhus ovata I. M. Johnston s.n. Riverside Palm Canyon 762 Comment
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Jul 4 2015
  POM280874  Rhus ovata Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  SD42377  Rhus ovata P. C. Everett 1935-7-11 2474 Riverside East base Santa Ana Mountains, Temescal Canyon. One half mile west Corona-Elsinore Highway Rd. to Glen Ivy 365 Comment
  SDSU13626  Rhus ovata W. Miller, C. Mosse 1972-7-12 Riverside Comment
  RSA291592  Rhus trilobata var. pilosissima C. W. Tilforth, Walter Wisura 1979-4-11 1767 Riverside East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta. 335 Comment
  SD229189  Ribes Dick Schwenkmeyer 2012-8-7 779 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA717670  Ribes californicum A. C. Sanders 2004-2-6 27379 Riverside Foothills at edge of Temescal Valley, ridge proposed for removal at development called Trilogy at Glen Ivy, south of Brown Canyon. 427 Comment
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Jun 27 2010
  POM48312  Ribes indecorum E. C. Jaeger 1925-3-1 1 Riverside Snow Canyon, . San Jacinto Mts. Comment
  UCR97287  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3942 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  RSA221080  Ribes malvaceum var. viridifolium E. W. Lathrop 1966-5-8 6424 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA659610  Ribes malvaceum var. viridifolium J. C. Roos 1947-3-15 3341 Riverside Chaparral on a burn. The west face of the San Jacinto Mtns. Comment
  RSA673630  Ribes malvaceum var. viridifolium Scott D. White, Tasha LaDoux 2000-4-20 7686 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR87942  Ribes malvaceum var. viridifolium A. C. Sanders 1994-1-30 14226 B Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  LA205623  Ribes nevadense Carl Epling; William Robison 1935-6-30 sn Riverside above Marion Camp, Mt. San Jacinto Comment
  SD229184  Ribes nevadense Dick Schwenkmeyer 2012-6-27 739 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  RSA709708  Ribes quercetorum A. C. Sanders 2004-5-5 27766 Riverside Gavilan Hills: Route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  LA205507  Ribes roezlii W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  UCR125202  Romneya trichocalyx Mitch Provance 1998-5-29 557 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  RSA735929  Rubus discolor Scott D. White, Justin M. Wood 2008-5-29 12042 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  LA20820  Rubus parviflorus W. B. Welch; 1928-5-5 Riverside San Jacinto Mountains, Idlywild Comment
  LA208231  Rubus parviflorus C. Epling; William Robison 1935-6-30 Riverside San Jacinto Mountains, Above Marion Camp Comment
  UCR178842  Rubus ursinus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 018 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  SEINET156318  Rumex acetosella Norman C. Cooper 1944-5-6 1208 Riverside Banning. 701 Comment
  JOTR32381  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  SD152779  Rumex crispus Steve Boyd 1993-5-12 7343 Riverside San Mateo Canyon Wilderness Area, San Mateo Canyon, from confluence with Los Alamos Canyon and downstream with Tenaja Canyon 366 Comment
  UCR90768  Rumex crispus D. E. Bramlet 1992-5-15 2280 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  POM204506  Rumex crispus M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  JEPS3048  Rumex salicifolius var. denticulatus Carl V. Meyer 1928-7-30 586 Riverside San Jacinto Mts., Saunder's Meadow Comment
  RSA701781  Rumex violascens A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  UC883833  Salazaria mexicana C. L. Hitchcock 1940-4-1 5905 Riverside 1 mi below Cottonwood Springs (Joshua Tree National Monument); , below Cottonwood Springs Comment
  POM319629  Salix exigua Patricia Wilder 1971-11-11 5294 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  POM360974  Salix exigua Marcus E. Jones 1930-3-15 26531 Riverside Eagle Mountains. Comment
  UC483079  Salix exigua Frank W. Peirson 1924-12-30 5410 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon 121 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
  LA208620  Salix exigua var. exigua Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UC494329  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 606 Riverside 4.8 km. n Arlington (w of Riverside, rd. to Pedley, e side of bridge over Santa Ana R., either side of hwy.) 240 Comment
  UC846449  Salix exigua var. hindsiana P. A. Munz and I. M. Johnston 1922-5-7 5270 Riverside Keyes Ranch along small stream Keyes Ranch; Little San Bernardino Mts. 1066 Comment
  CAS-BOT-BC108102  Salix gooddingii Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  CAS-BOT-BC108146  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Lake Skinner area - Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. 445 Comment
  CAS-BOT-BC108149  Salix gooddingii F. R. Fosberg 1932-3-13 8065 Riverside Thousand Palm Can., Coachella Valley Comment
  LA208657  Salix gooddingii Philip A. Munz; 1932-3-24 12032 Riverside N of Elsinore 304 Comment
  UC143229  Salix gooddingii C. F. Baker 1903-4-4 4146 Riverside Elsinore Comment
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Jul 8 2009
  UCR136165  Salix gooddingii A. C. Sanders 2004-6-20 28219 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR139631  Salix gooddingii A. C. Sanders 2004-6-30 28400 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  RSA0034889  Salix hindsiana var. leucodendroides H. P. Bracelin 1932-4-12 605 Riverside Santa Ana River, 4.8 km north of Arlington on road to Pedley, west of Riverside., East side of bridge over Santa Ana River. 240 Comment
  UC846611  Salix laevigata Joseph Andorfer Ewan 1933-3-19 10903 Riverside Santa Ana R. at Prado; Santa Ana R. Comment
  JOTR36410  Salix lasiolepis La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3359 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  UC1409163  Salsola paulsenii Philip A. Munz 1973-3-21 18330 Riverside between Indio and Palm Desert (across Highway 111 from Shields Date Gardens); between Indio and Palm Desert Comment
  CDA3210  Salsola tragus T. C. Fuller 1975-11-6 20115 Riverside Northeast corner of Monroe Street & Interstate 10 freeway, Indio. 0 Comment
  RSA444942  Salsola tragus N. C. Cooper 1943-9-26 934 Riverside Cabazon; Alkali Flat. 610 Comment
  RSA469682  Saltugilia splendens N. C. Cooper 1944-7-16 1560 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  UC219088  Saltugilia splendens subsp. splendens P. A. Munz 1922-7-6 6015 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  CLARK-A1528-583  Salvia apiana C. M. Flanagan 1973-5-31 OO 636 Riverside Morongo Indian Reservation 914 Comment
  NY43198  Salvia apiana J. B. Walker 1995-5-3 1406 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  RSA411313  Salvia apiana N. C. Cooper 1948-5-13 2840 Riverside Devil's Garden. 244 Comment
  RSA411318  Salvia apiana N. R. Zabriskie, Walter Zabriskie 1972-4-9 508 Riverside Northwest of Hwy 74, Deep Canyon drainage, Santa Rosa Mountains. 1220 Comment
  UCR121341  Salvia apiana A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25030 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR136260  Salvia apiana A. C. Sanders 2004-6-20 28228 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  UCR3010  Salvia apiana Wm. Horn Jr. 1963-4-21 630421- 3 Riverside Riverside, UCR campus, 100 yards south of Agricultural Extension Service Building 305 Comment
  UCR167304  Salvia apiana var. compacta Scott D. White, Jennifer H. Jones 2005-5-24 11094 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  RSA564472  Salvia canariensis Don Pendleton 1992-5-12 s.n. Riverside City of Riverside. Mt. Rubidoux, beside road, near Peace Arch. Comment
  SEINET2066007 Image available Salvia carduacea Howard S. Gentry 1981-6-13 23713 Riverside Between Anza and Aguanga. 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
  RSA33558  Salvia columbariae N. C. Cooper 1944-3-25 1006 Riverside Cabazon. 457 Comment
  UCR156277  Salvia columbariae T. B. Salvato, Kent Beaman 2005-5-16 850 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
  UCR167458  Salvia columbariae 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
  UCR250879  Salvia columbariae S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1039 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR50919  Salvia columbariae A. C. Sanders 1988-5-11 7799 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  POM229037  Salvia eremostachya P. A. Munz 1937-5-30 15109 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  UCR251322  Salvia greatae Michelle Murphy-Mariscal 2014-5-6 50614- 01 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, 1.25 mi. NE (67 deg. ) of trestle on Kaiser mine RR at wash crossing, between RR and Bradshaw Rd. 308 Comment
  RSA543305  Salvia mellifera Steve Boyd 1991-3-17 5491 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA613429  Salvia mellifera D. L. Banks 1997-4-5 1663 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountin, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 671 Comment
  RSA727056  Salvia mellifera Jay Walker, R. C. Walker 3087 Riverside 1.6 m W of Radec (jct 79 and R3), along Cutca Valley Road, 0.3 miles from jct with hwy 79. Comment
  SEINET11587887  Salvia mellifera T. Salvato, Marcs, Rari 2016-4-26 8358 Riverside Santa Ana Mountains Comment
  UCD125545  Salvia mellifera R. Tofsrud 1951-4-25 s.n. Riverside near Santa Anna above Elsinore. Comment
  UCR271516  Salvia mellifera T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8358 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  SBBG6512  Salvia vaseyi H. and M. Dearing 1936-12-25 1562 Riverside Long Cyn, Colorado Desert Comment
  SD49856  Salvia vaseyi Peter H. Raven 1958-5-6 12929 Riverside San Jacinto Mountains: Southwest of Palm Desert 10.2 miles on State Highway 74 762 Comment
  SEINET12327259  Salvia vaseyi P. H. Raven 1958-1 12929 Riverside SW of Palm Desert 10.2mi on State Hwy 74, San Jacinto Mts 762 Comment
  UCR131826  Sambucus mexicana Jennie Phui 1998-5-30 036 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR180578  Sambucus mexicana Scott D. White, Angelia Carey 2004-4-5 10009 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SD129457  Samolus parviflorus J. Hirshberg 1989-7-25 Riverside Butterfield country, SW of Vail Lake. Comment
  UC1611580  Sanicula tuberosa Steve Boyd, Tim Ross 1993-3-23 7908 Riverside s of Vail Lake (at n base of Agua Tibia Mtn, Agua Tibia Wilderness Area, Cleveland National Forest, extending s from end of Woodchuck Road); Palomar Range, Agua Tibia Mtn, Cleveland National Forest 731 Comment
  UCR34992  Sarcostemma cynanchoides L. B. Ziegler 1966-9-13 085 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  CLARK-A1528-128  Sarcostemma cynanchoides subsp. hartwegii Bruce Freeman 1968-5-11 680511-3 Riverside Santa Ana Mountains 182 Comment
  CLARK-A1528-92  Schismus barbatus Fred B. Essig 1964-2-13 13 Riverside La Sierra 609 Comment
  RSA776379  Schismus barbatus Amber Swanson 2011-4-8 376 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UC1132931  Schismus barbatus H. S. Yates 1937-3-23 6415 Riverside near White Water 304 Comment
  UC1551915  Schismus barbatus David Charlton 1988-2-18 1142 Riverside s of Joshua Tree National Park (s side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, parallel to I-10, 1 mi e of Jct Dillon Rd & Fargo Canyon Rd); Little San Bernardino Mountains 609 Comment
  POM1408  Schoenoplectus americanus D. L. Crawford 1916-2-3 s.n. Riverside Santa Ana River (Prado Beach) Comment
  RSA91579  Schoenoplectus maritimus F. W. Peirson 1922-4-29 5376 Riverside Roadside ditch, Temecula, Riverside Co., California. Comment
  RSA627457  Scirpus microcarpus Scott D. White 1998-7-31 6956 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  RSA650275  Scrophularia californica W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  RSA155809  Scrophularia californica subsp. floribunda Peter H. Raven 1962-4-29 17486 Riverside Ortega Highway 1 mi. above its east base. 488 Comment
  RSA388916  Scutellaria bolanderi subsp. austromontana T. S. Elias, Boyd, Tan 1986-7-23 10156 Riverside Santa Rosa Plateau: along Cole Creek. 610 Comment
  CAS-BOT-BC341105  Scutellaria mexicana S. B. Parish 1916-5-13 10835 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  JOTR34489  Scutellaria mexicana Andre, Jim 2012-4-16 20973 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  POM6471  Selaginella bigelovii Ivan M. Johnston 1918-4-3 1824 Riverside Lakeview Mountains: south end of Juniper Flat 609 Comment
  RSA495798  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1989-3-11 2907 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam 396 Comment
  SD187298  Selaginella bigelovii Scott D. White, Angelia Carey 2004-4-16 10178 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UC1063712  Selaginella bigelovii H. S. Yates 1937-3-23 6416 Riverside near White Water; San Jacinto Quadrangle Comment
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Dec 18 2011
  CAS-BOT-BC62084  Selaginella eremophila S. B. Parish 1914-4-6 9030 Riverside Mountain Springs, Colorado Desert Comment
  POM180258  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 176 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  HSC27319  Senecio californicus Richard Spjut 1973-5-3 3341 Riverside Colorado Desert, N face of Chuckawalla Mtns. 3-4 mi. S of Desert Center 305 Comment
  UC1595589  Senecio californicus Steve Boyd and Dave Bramlet 1990-4-29 4495 Riverside Lake Skinner County Park , se base Bachelor Mtn. (se base Bachelor Mtn) Comment
  UC63075  Senecio californicus H. M. Hall May 17 1901-Jun 1 1901 Riverside Coahuilla Valley Southern California, Coahuilla Valley Comment
  POM319672  Senecio flaccidus var. douglasii Patricia Wilder 1971-9-29 5264 Riverside Base of San Jacinto. Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. 518 Comment
  RSA588838  Senecio flaccidus var. douglasii D. L. Banks, S. D. Boyd 1995-10-17 0781 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
  RSA0124177  Senecio flaccidus var. douglasii N. C. Cooper 1944-7-15 1605 Riverside Palms to Pines Hwy. 1220 Comment
  UCR19257  Senecio flaccidus var. monoensis John C. Roos 1947-11-1 3757 Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Canyon 976 Comment
  UCR42398  Senecio mohavensis J. M. Stewart 1986-1-26 86- 6 Riverside Sonoran (Colorado) Desert, NE side of Mecca Hills 305 Comment
  JEPS17286  Senecio triangularis Carl V. Meyer 1928-7-26 536 Riverside Deer Springs San Jacinto Mountains 2590 Comment
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Aug 30 2011
  RSA524465  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4068 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
  SD113531  Senegalia greggii Frank F. Gander 1936-6-14 360 Riverside San Jacinto, desert side Comment
  SD126131  Setaria adhaerens A. C. Sanders 1988-11-6 8740 Riverside Coachella Valley, west side of Highway 86, 6.25 miles south of its junction with Highway 111 in Coachella and 3.85 miles north of Valerie Jean, 0.55 mile north of Ave. 60. -10 Comment
  UCR30540  Setaria verticillata John C. Roos 1952-5-14 5660 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  UC1132945  Setaria viridis H. S. Yates 1936-8-29 6373 Riverside Idlewild San Jacinto Quad., Idlewild Comment
  RSA596537  Setaria viridis D. L. Banks, Lauren Raz 1996-8-29 1136 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road;, along the E side of the road under the drip irrigation line to a vineyard. 399 Comment
  SEINET13709268  Sidalcea malviflora J. Adams, J. Adams (Botany) 1966-1 751 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  UCR132899  Silene gallica G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment