Search Results — 2000 specimen records retrieved (1899 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229322  Abronia villosa Ellsworth Bethel 1918-5-10 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC229356  Abronia villosa Roxana S. Ferris 1918-6-14 966 Riverside In desert at Palm Springs Comment
  CLARK-A1528-3256  Abronia villosa John C. Roos 1946-9-14 3017 Riverside San Jacinto Mountains 1371 Comment
  HSC16148  Abronia villosa R. A. Eagle 1964-3-28 25 Riverside 19 mi. out of Palm Springs on main Hwy. Comment
  RSA461032  Abronia villosa Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  SEINET4344938 Image available Abronia villosa Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  SEINET893736  Abronia villosa Str Richard 1964-1 78 Riverside Along U. S. Highway 99, 4 miles east of Whitewater, east of San Gorgonio Pass. 274 Comment
  POM47006  Abronia villosa var. aurita Mary F. Spencer 1919-6-17 1330 Riverside Near San Jacinto 305 Comment
  RSA278980  Abronia villosa var. aurita Barry A. Prigge, L. Martinez 1978-3-23 2430 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
Read comments
Sep 18 2008
  RSA461185  Abronia villosa var. aurita H. de Forest 1924-3-28 s.n. Riverside Palm Springs. Comment
  SD73625  Abronia villosa var. aurita Helen V. Witham 1970-5-1 853 Riverside Frequent in wash, Bautista Canyon, ca. 5 miles south of Hwy 74 (mak 10/07) 800 Comment
  UC851591  Abronia villosa var. aurita Alice Eastwood 1913-4-30 3111 Riverside Palm Springs Comment
  JOTR29583  Abronia villosa var. villosa Andre, Jim 2006-4-6 6715 Riverside Joshua Tree National Park. Along Desert Queen Mine Rd 1362 Comment
  UCR261448  Abronia villosa var. villosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41421 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR110387  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. south of Eden Hot Spring 433 Comment
  CAS-BOT-BC30910  Acamptopappus sphaerocephalus Howard Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  RSA0030723  Acamptopappus sphaerocephalus Bonnie C. Templeton, I. W. Clokey 1930-4-9 1052 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  HSC27994  Acamptopappus sphaerocephalus var. sphaerocephalus Richard Spjut 1973-5-5 3346 Riverside Colorado Desert; rocky and gravelly flats and hills bordering the southern slopes of the Chuckawalla Mts. 610 Comment
  RSA0117838  Acamptopappus sphaerocephalus var. sphaerocephalus Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7803 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  CAS-BOT-BC216887  Achnatherum occidentale Ralph Hoffman 1929-9-6 s.n. Riverside Tahquitz Peak, Mount San Jacinto [San Jacinto Mountains] 2438 Comment
  UCR126431  Achyronychia cooperi T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 56 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCSB1844  Achyronychia cooperi Beeks, Richard 1952-4-5 Riverside 12 miles E of Shaver Summit Comment
  UCSB72613  Acmispon glaber var. brevialatus White, Scott; Carey, Angelia 2004-4-5 Riverside San Jacinto Mountain Foothills: North of Valle Vista. Indian Creek Watershed 518 Comment
  OBI29880  Acmispon rigidus Melissa Luckow, Rhonda Riggins 1982-4-15 821 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW jctn Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  RSA0120632  Acmispon rigidus Duncan S. Bell, Thomas Stoughton 2016-3-17 8961 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  JOTR35283  Acmispon strigosus Andre, Jim 2012-4-11 20775 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  UC1329853  Adenophyllum porophylloides James E. Cole 1941-5-23 778 Riverside tank, split rock area Ivanpah; Joshua Tree National Monument 1280 Comment
  UCR110975  Adenostoma fasciculatum George K. Helmkamp 1998-6-27 4087 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
  RSA516749  Adenostoma fasciculatum var. fasciculatum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  JEPS548  Agave deserti W. L. Jepson May 17 1901-Jun 1 1901 1356 Riverside Palm Canyon and return to Van Deventer's Comment
  RSA0050594  Agrostis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35658 Riverside May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCD52436  Agrostis exarata August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Sep 8 2011
  SEINET1908637 Image available Agrostis pallens A. C. Sanders, Mitch Provance 2008-1 35792 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station (Idyllwild 7.5' Q.) 1450 Comment
  RSA90264  Alhagi camelorum W. T. Sevingle, A. B. Stout 1922-11-15 s.n. Riverside Indio, Coachella Valley Comment
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Aug 6 2013
  SEINET3105940  Allenrolfea occidentalis Faulkner 1978-3-21 343 Riverside 9 miles N of Blythe, Hwy 95 152 Comment
  UCR85385  Allenrolfea occidentalis A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15881 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  HSC87269  Allionia incarnata David Charlton 1988-2-18 1180 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
  SD134564  Allium fimbriatum var. munzii Craig Reiser 1989-4-19 Riverside Southwestern flank of 'Alberhill' in western county. (IPB 2/08) Comment
Read comments
Nov 16 2010
  SEINET3884723  Allium haematochiton Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4063 Riverside Vail Lake area, summit of 'Big' Oak Mtn. at E end.; 0 792 Comment
  UCR228840  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCR217516  Allium munzii Lee A. Ripma, JLV 2008-4-2 042 Riverside Foothills of the Santa Ana Mtns, Alberhill, South of Hwy 15, south of Walker Canyon 444 Comment
  RSA0006686  Allium munzii Steve Boyd 1986-4-20 1725 Riverside Gavilan Plateau, Gavilan Hills: clay soil on hillside south of Harford Springs County Park. 616 Comment
  POM123076  Allium praecox Wilder 1905-04 s.n. Riverside Riverside. Comment
  UCR91459  Allium praecox Scott D. White 1995-3-30 2676 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA740957  Allophyllum gilioides subsp. violaceum Scott D. White, Justin M. Wood 2008-6-18 12223 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UC1199819  Alnus rhombifolia Herbert L. Mason 1928-3-10 4174 Riverside Snow Creek-White Water River Valley Colorado Desert Comment
  UCR20916  Alopecurus aequalis A. C. Sanders 1978-7-5 863 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  UCR220336  Alopecurus saccatus D. E. Bramlet 1992-4-29 2257 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  UCR77685  Amaranthus albus Steve Boyd 1991-7-13 6415 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  UCR111748  Amaranthus blitoides G. S. Nuessly 1980-10-19 s.n. Riverside Moreno Valley, U.C. Riverside, Moreno Field Station, east of Lasselle St. 457 Comment
  UCR93481  Amaranthus blitoides A. C. Sanders, S. Ogg 1994-7-28 15185 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  RSA191450  Amaranthus californicus E. W. Lathrop, Robert F. Thorne 1967-9-26 6666 Riverside 6 miles NW of Murrieta. 610 Comment
  RSA2871  Amaranthus fimbriatus C. B. Wolf 1931-10-14 2455 ` Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  UCR281910  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2017-9-21 43352 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  SEINET9120721  Amaranthus fimbriatus E. R. Blakley 1961-1 4715 Riverside Pinyon Flat, Palms to Pines Highway (Calif. 74). 1219 Comment
  RSA737123  Ambrosia acanthicarpa Justin M. Wood 2008-10-15 189 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR275353  Ambrosia acanthicarpa T. B. Salvato, Melissa Clemons 2005-6-9 1496 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA675683  Ambrosia confertiflora Scott D. White 2001-6-20 8595 Riverside Sun City Area: Just east of Goetz Rd. and south of Ethanac Rd., ca. 1 1/2-2 mi west of I-215 Freeway. 442 Comment
  IRVC728  Ambrosia dumosa R. H. Whittaker, W. A. Niering 1963-6-1 SJ 124 Riverside Palms to Pines Hwy, slope NE-30 degrees; open, very rocky, gneiss-gabbroic soil, suffrutescent desert Santa Rosa Mountains 915 Comment
  JOTR29081  Ambrosia dumosa La Doux, Tasha 2005-3-30 1198 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA289720  Ambrosia dumosa Lyman Benson 1933-3-31 4162 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto . 305 Comment
  RSA766671  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 168 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  SBBG35061  Ambrosia dumosa T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UC75926  Ambrosia dumosa Miss Mary McKibben Riverside Mecca; Colorado Desert Comment
  UCR228405  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 143 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 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
  UCSB9148  Ambrosia psilostachya Ballard 1954-10-26 Riverside 3 miles south of Men's Reform School (Chino Institute), Chino 182 Comment
  CAS-BOT-BC273000  Ambrosia salsola Cecil Hart 1927-3-30 s.n. Riverside Moronga Valley near Whitewater Comment
  SEINET2052892 Image available Ambrosia salsola Bruce A. Beebe 1970-5-9 33 Riverside Cabazon area, 0.6 mile N. on S. Cal. Edison road no. V13 from turn-off with Apache Trail Road. 609 Comment
  UC724134  Ambrosia salsola Aven and Ruth Nelson 1939-3-30 3346 Riverside between Mecca and Blythe (old highway) Comment
  SEINET10797869  Ambrosia salsola David B. Dunn, Howard Brown 1947-2-9 Dunn 2856 Riverside Pushawalla Canyon, Indio Hills. In dry wash bed. Comment
  RSA765305  Amorpha fruticosa Doris Bowers 1972-4-15 1836 Riverside Pulgas Creek Canyon, Rancho California 396 Comment
  RSA0089991  Amsinckia douglasiana Severauce 1926-2-20 s.n. Riverside Murray Canyon. Comment
  POM12214  Amsinckia intermedia Mary F. Spencer 1921-5-30 s.n. Riverside Canyon near San Jacinto. 549 Comment
  SD73597  Amsinckia intermedia Helen V. Witham 1970-5-1 849 Riverside Bautista Canyon, southeast of Hemet 800 Comment
  UC1595566  Amsinckia intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4675 Riverside Stubbs Canyon n of West Palm Springs; Gorgonio Pass Comment
Read comments
Apr 17 2011
  JOTR30104  Amsinckia menziesii La Doux, Tasha, Bill Truesdell 2008-3-18 1669 Riverside Joshua Tree National Park. Stop 2 = Near northern Park boundary in Rattlesnake Canyon Wash, near bouldery outcrops 892 Comment
  RSA680631  Amsinckia menziesii var. menziesii Scott D. White 2001-3-27 8173 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  RSA0089960  Amsinckia retrorsa P. A. Munz 1927-5-20 10795 Riverside Murrieta Hot Springs. Comment
  UCR214122  Amsinckia tessellata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37729 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  RSA0091469  Amsinckia tessellata P. A. Munz 1949-4-12 13024 Riverside North base of Eagle Mts., Mohave Desert. 945 Comment
  JEPS61175  Amsinckia tessellata var. tessellata W. L. Jepson 1928-4-25 12619 Riverside Cottonwood Spring; Colorado Desert, Eagle Mountains 731 Comment
  UCR213397  Amsinckia tessellata var. tessellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37464 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  JOTR32429  Amsonia tomentosa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2162 Riverside Joshua Tree National Park. North Hexie Mountains; large sandy side canyon draining into west Wilson Canyon with smaller braided ephemeral drainages running through 902 Comment
  LA90398  Amsonia tomentosa William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  UCSB54190  Amsonia tomentosa McKinley, Gale 1985-3-26 Riverside 100 yards east of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  UCR21887  Anemopsis californica Steve Boyd 1980-7-16 s.n. Riverside Peninsular Range, Motte Reserve, 2.5 mi NW of Perris, 0.3 mi south of secretary's house 518 Comment
  UCR193969  Angelica tomentosa A. C. Sanders, Mitch Provance 2008-7-11 35815 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CAS-BOT-BC79941  Antennaria microphylla Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA354842  Antirrhinum coulterianum N. C. Cooper 1944-5-21 2011 Riverside San Jacinto Mountains, West side 915 Comment
  UC444962  Antirrhinum coulterianum Katharine Brandegee 1896-4-10 Riverside Agua Caliente Comment
  UCR280623  Antirrhinum coulterianum Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 13 Riverside Gavilan Hills, Alberhill Canyon, tower site 0.3 miles east of dirt road portion of Lake St., about 0.8 miles NNE of Lake St. and Walker Canyon Rd. 497 Comment
  UCR89857  Antirrhinum coulterianum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3303 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCSB12687  Antirrhinum coulterianum Hochberg, Fred 1961-5-6 Riverside 50 ft. off Riverside 1; 7 miles from junction at Banning; base of San Jacinto Mtns 1158 Comment
  RSA125361  Antirrhinum nuttallianum subsp. nuttallianum R. Weatherby 1950-5-25 1096 Riverside 3 miles west of Lakeview Comment
Read comments
Jul 11 2012
  UCR158514  Apiastrum angustifolium A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30021 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
  UC455476  Apocynum cannabinum F. M. Reed Riverside Riverside Comment
  UCR128308  Apocynum cannabinum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8624 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
  UCR177649  Arabis glabra S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail on slope above Juan Diego Flats, toward Reed Valley, NW of Cahuilla Mountain 1250 Comment
  UCR241188  Arabis glabra Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 515 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  CAS-BOT-BC23123  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-5-30 6608 Riverside Santiago Peak, Santa Ana Mts. Comment
  CLARK-A1528-448  Arctostaphylos glandulosa subsp. glandulosa Shirley Hill 1963-3-31 630331-7 Riverside San Jacinto Mountains 1219 Comment
  RSA629477  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15542 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 Comment
  RSA629364  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16821 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  CAS-BOT-BC24668  Arctostaphylos glauca Ralph Hoffmann 1929-9-11 s.n. Riverside Hamilton Grade. Comment
  CAS-BOT-BC24670  Arctostaphylos glauca Scott D. White 1996-4-14 3922 Riverside E. of Hemet: San Jacinto River Wash near Valle Vista, n. of Hwy. 74, ca. 1.7 mi. w. of USFS Cranston Fire Station. USGS 548 Comment
  OBI14747  Arctostaphylos glauca Chris Reed 1968-11-28 108 Riverside 3 mi N of Soboba Reservation on Poppet Flats Rd, Hemet Comment
  RSA631721  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19303 Riverside Highway 79, 6 km west of Aguanga. 650 Comment
  RSA632643  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16585 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA632654  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16540 Riverside Red Mtn. Rd., 6-6.8 km east of R3. Comment
  RSA736549  Arctostaphylos glauca Scott D. White, Angelia Carey 2004-7-2 10584 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD137791  Arctostaphylos glauca Darin L. Banks, Steve Boyd 1995-3-30 121 Riverside ClevelandNat'l Forest, Agua Tibia Wilderness Area 700 Comment
  UCR278097  Arctostaphylos glauca A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42677 Riverside Peninsular Range; San Jacinto Mountains, Along Hwy 74 below Mountain Center and above White Post Turn, c. 3.1 miles below McCall Park Rd. 1216 Comment
  RSA633541  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22666 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633558  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21789 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633566  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20156 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633578  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20116 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633583  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22508 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633680  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16658 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633692  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21766 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633717  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20135 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  CAS-BOT-BC44357  Arctostaphylos pringlei subsp. drupacea Peter H. Raven 1959-5-18 14243 Riverside Lake Fulmor, San Jacinto Mountains Comment
  POM49845  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-29 8871 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  SD229129  Arctostaphylos pringlei subsp. drupacea Dick Schwenkmeyer 2012-4-17 696 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  SD232672  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside San Jacinto Mts.; Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facint mountainside. 1707 Comment
  UCR35103  Arctostaphylos pringlei subsp. drupacea L. B. Ziegler 1968-6-12 318 Riverside San Jacinto Mtns., Dark Canyon (No. Fork San Jacinto River) 1829 Comment
  HSC25511  Arctostaphylos pringlei var. drupacea Richard Spjut 1972-3-14 2275 Riverside San Jacinto Mtns., along Hwy. 1 and Hwy. 74 in San Bernadino Natl. Forest 1220 Comment
  CAS-BOT-BC46343  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Idyllwild area: Hwy 243 at deer Springs trailhead and adjacent area. USGS San Jacinto Pk. 7.5' topo. 1828 Comment
  UCR193568  Arctostaphylos pungens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35612 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  UCR208229  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside San Jacinto Mtns., near Pipe Creek, above Hemet Valley 1677 Comment
  RSA559377  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19490 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  RSA636182  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19538 Riverside West of Temecula, north-facing slopes off Carancho Rd., 2.8 km west of Via Volcano, eastern Santa Margarita Mtns. 320 Comment
  JOTR36088  Argemone munita La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3315 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  RSA0040073  Argythamnia neomexicana Jim Andre 2014-1-27 26660 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 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
  RSA786536  Aristida adscensionis C. P. Cowan 1978-4-23 1225 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  SD224791  Aristida adscensionis G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2676 Riverside Little San Bernardino Mtns. 3.2 mi. N. of jct of Thousand Palms Canyon Rd. & Dillon Rd. 456 Comment
  UC1922811  Aristida adscensionis Michael Honer with L. Hulse 2005-3-8 2043 Riverside Colorado Desert; Little San Bernardino Mountains region: Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. Comment
  UCR188224  Aristida purpurea Naomi Fraga, LeRoy Gross, B. Hogshead 2006-6-12 1704 Riverside Peninsular Ranges; San Jacinto Moutnains region: Along FS road west and paralleling Morris Ranch Road. c. 0.2 miles SW of the FS roads junction with Morris Ranch Road. NE of Garner Valley 1616 Comment
  RSA777401  Aristida purpurea var. fendleriana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 834 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road. 534 Comment
  SBBG19776  Aristida purpurea var. fendleriana M. A. Piehl 1963-6-2 63538 Riverside 1.5 mi E of Pinyon Flat Cmpgrd, Palms to Pines Hwy 1219 Comment
  RSA129292  Aristida purpurea var. longiseta H. S. Yates 1937-6-27 6722 Riverside Head of Deep Canyon. 1220 Comment
  UC815632  Aristida purpurea var. nealleyi Carl B. Wolf 1932-5-24 3640 Riverside 1/2 mi below Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 548 Comment
  RSA500144  Aristida purpurea var. purpurea Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3652 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  UCR273985  Aristida ternipes var. gentilis Mitch Provance 2012-5-24 512- 22 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  CAS-BOT-BC90190  Artemisia californica A. M. White 1974-6-4 1409 Riverside Indian Road ca. 15 mi. W. of Sun City 1219 Comment
  HSC25255  Artemisia californica Richard Spjut 1972-2-18 2209 Riverside ca. 4 miles south of Beaumont on Hwy.60 Comment
  UC1119314  Artemisia californica C. Van Fleet 1931-1-22 5 Riverside Wilson Creek San Jacinto Quadrangle, Wilson Creek Comment
  UCR166709  Artemisia californica Scott D. White 2005-7-6 11155 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  UCR59135  Artemisia californica N. M. Fellows 1986-1-18 165 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mt 506 Comment
  UCR94945  Artemisia douglasiana Scott D. White 1996-9-22 4529 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
  RSA520088  Artemisia dracunculus Steve Boyd, David E. Bramlet 1988-10-8 2880 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR235097  Artemisia dracunculus A. C. Sanders, John F. Green 2012-5-27 40199 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, near SW corner of Valley Substation (on Menifee Rd.), just off Case Rd. 445 Comment
  UC1080341  Artemisia ludoviciana subsp. albula E. K. Balls and P. C. Everett 1957-11-4 22747 Riverside about old Fish Hatchery; n base San Jacinto Mts, Snow Creek 701 Comment
  SD259960  Asclepias albicans J. Andre 2012-4-11 20788 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Sutah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky (granitic) hills and large wash. 729 Comment
  RSA500546  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3617 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  RSA6040  Asclepias eriocarpa C. B. Wolf 1932-8-4 3924 Riverside Strawberry Valley, 1.5 miles from Idyllwild on road to Banning 1707 Comment
  CDA39849  Asclepias erosa T. C. Fuller 1962-10-2 9700 Riverside South side of Hwy. 60-70 to Blythe, ca. 10 miles east of Desert Center. 0 Comment
  RSA401252  Asclepias fascicularis N. C. Cooper 1949-6-24 4313 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UCR278882  Asclepias fascicularis Mitch Provance 2011-6-9 17197 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  UCR250858  Asphodelus fistulosus Dick Newell, Judy Booth 2014-3-9 355 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Road, 0.34 mi. east of Ortega Hwy 865 Comment
  UC218669  Aspidotis californica Munz and Harwood 1920-2-28 3236 Riverside 2 mi se Corona 274 Comment
  UCR77565  Aspidotis californica Steve Boyd, T. S. Ross, O. Mistretta 1992-2-2 6637 Riverside Santa Ana Mtns, Cleveland National Forest. Upper San Mateo Canyon between the confluence of Tenaja Canyon and Los Alamos Canyon 427 Comment
  POM944  Aspidotis californica O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA5226  Aster alpigenus var. andersonii C. B. Wolf 1932-8-5 3953 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  POM183876  Aster bernardinus Philip A. Munz 1932-10-16 12838 Riverside Meadow in Hemet Valley, San Jacinto Mts. 1372 Comment
  SBBG3150  Astragalus aridus H. and M. Dearing 1949-4-6 6737 Riverside below sea level, near Mecca Comment
  UCR236547  Astragalus aridus Carolyn Martus, Joseph A. Betzler, Chezzy W. Brungraber, Lance Woolley 2008-4-15 1214 Riverside Sonoran (Colorado) Desert, 30 miles west of Blythe near Palen Dry Lake, from I-10 exit Corn Springs Rd. north for about 8 miles 130 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
  CAS-BOT-BC182588  Astragalus didymocarpus var. dispermus John Thomas Howell 1928-3-11 3440 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  UC1543239  Astragalus douglasii Donald G. Nelson 1936-5-21 380 Riverside n Mt. Thomas (e of Lake Hemet, slopes just n of meadow in valley just e of Jurkey Creek Camp area, San Jacinto Mountains); San Jacinto Mountains, e of Lake Hemet, n of Mt. Thomas Comment
  UCR155056  Astragalus douglasii Jason L. Hlebakos 2005-5-30 816 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
  SEINET3132644  Astragalus douglasii var. parishii R. W. Spellenberg, D. Jackson 1972-5-19 2823 Riverside 3.8 mi SE of Lake Hemet, along California State Hwy 74 1402 Comment
  UC488913  Astragalus douglasii var. parishii C. V. Meyer June 1927 205 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1706 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
  UCR174463  Astragalus gambelianus A. C. Sanders 2006-5-19 32380 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
  UCR91477  Astragalus gambelianus Scott D. White, M. Jacobsmeyer 1996-4-20 3946 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  RSA415585  Astragalus lentiginosus var. coachellae George B. Grant 1906-5-10 1931 Riverside Palm Springs. Comment
  RSA498235  Astragalus lentiginosus var. coachellae F. W. Peirson 1920-2-17 s.n. Riverside Whitewater River, Colorado Desert, river at bridge. Comment
  JOTR34402  Astragalus lentiginosus var. fremontii Andre, Jim 2012-4-16 20938 Riverside Joshua Tree National Park. Along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mountains, 6.7 mi. south of National Park Loop Rd. 989 Comment
  RSA500086  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3226 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  SBBG3267  Astragalus palmeri H. and M. Dearing -- Riverside Palms to Pines Hwy Comment
  RSA608371  Astragalus pomonensis L. C. Wheeler 1930-4-16 s.n Riverside San Jacinto. Comment
  RSA23111  Astragalus sabulonum I. L. Wiggins 1938-3-19 8901 Riverside 25 miles W of Blythe. Comment
  JOTR35473  Astragalus tricarinatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 76 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1463 Comment
  CLARK-A1528-2295  Athysanus pusillus John C. Roos 1947-3-21 3363 Riverside Reche Canyon Comment
  RSA418185  Atrichoseris platyphylla M. B. Dunkle 1933-3-4 3035 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA774923  Atrichoseris platyphylla Duncan S. Bell 2011-4-7 2169 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  RSA777775  Atrichoseris platyphylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 761 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UC724310  Atrichoseris platyphylla Aven Nelson, Ruth A. Nelson 1939-3-29 3328 Riverside near Mecca; Hidden Springs Canyon Comment
  RSA452696  Atriplex argentea N. C. Cooper 1943-10-9 955 Riverside Hemet. 305 Comment
  POM278706  Atriplex canescens Grant D. Brown 1950-12-2 584 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  RSA0106716  Atriplex canescens Duncan S. Bell, Amanda Turek 2010-1-30 529 Riverside About 4 air miles northwest of the Arica Mountains; along the California Aqueduct, to the south of Highway 62. 282 Comment
  RSA554627  Atriplex canescens Scott D. White 1992-9-2 769 Riverside Vicinity of Gilman Hot Spirngs, N side of San Jacinto River, and a thin strip tending N of the river & W of the Hot Springs. 451 Comment
  CAS-BOT-BC170227  Atriplex canescens subsp. linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-10-31 324 Riverside Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mts. 167 Comment
  RSA532565  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2182 Riverside 1.4 km west of Nuevo and some 10 m. south of the end of the 12th street. The population is some 17 m. east of the San Jacinto River. 473 Comment
  SD175810  Atriplex elegans R. E. Riefner Jr. 2006-8-2 06 350 Riverside City of Corona, southeast ca. 0.75 mile from Cajalco Rd. and Temescal Wash; south ca. 1.5 mile of Blue Diamond Quarry. 310 Comment
  RSA0102804  Atriplex elegans var. fasciculata Duncan S. Bell, Kay Evelina Lewis-Jones, Isaac Marck, Evan Meyer 2015-4-23 8103 Riverside Rice Valley, to the east of the Arica Mountains, about 6 air miles south southeast of the ghost town of Rice. 211 Comment
  CAS-BOT-BC248269  Atriplex glauca R. E. Riefner, Jr. 2002-12-12 02 -521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  HSC25954  Atriplex hymenelytra R. W. Spjut 1972-1-6 2110 Riverside Colorado Desert, 10 mi. N of Desert Center, at Jct. Hwy. 10 to 29 Palms Hwy. Comment
  LA204681  Atriplex hymenelytra S. Beller; 1926-4-20 sn Riverside Palm Springs 121 Comment
  POM48332  Atriplex hymenelytra E. C. Jaeger 1925-2-8 s.n. Riverside Painted Canyon near Mecca. Comment
  RSA155459  Atriplex polycarpa L. S. Rose 1961-11-24 s.n. Riverside La Quinta. 15 Comment
  UCD97609  Atriplex polycarpa Lewis S. Rose 1967-12-19 67177 Riverside La Quinta. 15 Comment
  UCR274223  Atriplex polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7666 Riverside Santa Rosa Mountains, the foot of the mountains between Toro Canyon and Martinez Canyon 169 Comment
  RSA556460  Atriplex serenana var. davidsonii Julie Greene 1993-4-30 1247 Riverside San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, E of Davis Road. 433 Comment
  UCR121254  Atriplex serenana var. serenana D. E. Bramlet, D. J. Bradney 1989-7-3 1931 Riverside Perris-Aguanga Basin region, Diamond Valley, just north and east of the Searl Ranch buildings 482 Comment
  UCR201865  Atriplex suberecta Justin M. Wood 2008-8-31 118 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  IRVC5339  Avena barbata Gidon Ladizinsky 1971-5-19 s.n. Riverside University of California, Riverside Comment
  RSA0085059  Avena barbata Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 15 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  POM13848  Azolla filiculoides Edmund C. Jaeger 1921-7-15 1181 Riverside Massacre Canyon, near San Jacinto. Comment
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Nov 5 2011
  SEINET3005004  Baccharis brachyphylla G. Rink 2011-4-4 10433 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  CLARK-A1528-165  Baccharis emoryi John C. Roos 1951-9-25 5285 Riverside Riverside 259 Comment
  CLARK-A1656-855  Baccharis emoryi Jon Mark Stewart 1983-11-14 83-61 Riverside Santa Rosa Mountains 822 Comment
  SD240841  Baccharis pilularis A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39928 Riverside Peninsular Range; Santa Ana Mtns.: near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line. Saddle on ridge. 883 Comment
  POM319652  Baccharis salicifolia Patricia Wilder 1970-10-30 4826 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  POM350374  Baccharis salicifolia Ora M. Clark 1929-4-6 1952 Riverside South of Hemet. Comment
  RSA296180  Baccharis salicifolia B. A. Prigge 1980-8-5 3818 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA543148  Baccharis salicifolia Steve Boyd 1991-3-17 5497 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
  SD229069  Baccharis sergiloides Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 636 Riverside Mt. San Jacinto 1085 Comment
  SD40771  Baccharis sergiloides Carl B. Wolf 1932-10-11 1594 Riverside Morongo Wash, 0.3 mile below San Bernardino County Line, Colorado Desert 669 Comment
  UC63375  Baccharis sergiloides H. M. Hall 1901-5-1 1866 Riverside borders of Colorado Desert San Jacinto Mountains, Colorado Desert Comment
  UC893735  Baccharis sergiloides Carl B. Wolf 1932-10-13 4310 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  UC893737  Baccharis sergiloides Carl B. Wolf 1932-10-1 4272 Riverside Morongo Wash, 3/10 mi below San Bernardino Co line Colorado Desert, Little San Bernardino Mts. 670 Comment
  UCR125437  Bacopa monnieri A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25683 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  CLARK-A1528-1641  Bahia dissecta John C. Roos 1946-8-27 2923 Riverside Santa Rosa Mountains 2285 Comment
  CAS-BOT-BC295896  Bahiopsis parishii Ivan Johnston 1917-4-4 1060 Riverside Colorado Desert. Palm Canyon 457 Comment
  HSC47416  Bahiopsis parishii Richard Spjut, C. E. Edson 1978-5-5 5015 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. 915 Comment
  RSA0117830  Bahiopsis parishii Sarah J. J. De Groot, Grace Cho 2016-4-4 7769 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road between Haystack and Asbestos Mountains. 1233 Comment
  RSA442012  Bahiopsis parishii Christopher Davidson, B. Gustafson 1977-4-7 5576 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  UCR260317  Bahiopsis parishii A. C. Sanders, Jim Malusa 2015-3-9 41367 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  SBBG65722  Baileya pauciradiata Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  UC665909  Baileya pleniradiata Ira L. Wiggins 1941-3-27 9684 Riverside 8 mi ne of, s end of Coxcomb Mountains Desert Center; Coxcomb Mountains Comment
  UCR145574  Bassia hyssopifolia Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  RSA782528  Bebbia juncea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38384 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04deg.) of intersection of I-15 and Lake St. 465 Comment
  CAS-BOT-BC100120  Bebbia juncea var. aspera H. M. Hall 1903-4-1 3803 Riverside Point of Rocks, vicinity of Riverside 396 Comment
  CAS-BOT-BC100145  Bebbia juncea var. aspera P. Munz; L. Street 1919-5-7 2720 Riverside Tahquitz [Canon] Canyon Comment
  UC472351  Bebbia juncea var. aspera F. M. Reed 1904-8-22 643 Riverside Riverside and vicinity Riverside 304 Comment
  UC472679  Bebbia juncea var. aspera M. F. Spencer 1921-4-10 Riverside Colorado Desert, Palm Springs Comment
  SDSU13762  Berberis aquifolium var. dictyota T. Cass 1975-4-10 74 -671 Riverside 3/4 mile down road parallel to Brown Creek in Santa Ana Mts. 914 Comment
  SEINET10680516  Bergia texana Arnold J. Tiehm 1988-8-5 Tiehm 11892 Riverside Lahontan Valley, Sheckler Reservoir W-SW of Fallon. Mudflats just E of the dam. 1213 Comment
  RSA479265  Bernardia incana N. R. Zabriskie, W. M. Zabriskie 1972-4-9 509 Riverside Small canyon NW from HWY 74 at 81.72, Deep Canyon Watershed, Santa Rosa Mts. 1220 Comment
  UCR229109  Bernardia myricifolia A. C. Sanders, Chika Mori 2011-6-14 39662 Riverside Peninsular Range; Santa Rosa Mtns., Hwy 74 near 'Agave Hill', 0.3 km SW (249 deg. ) of VABM 'Lucky', 1.6 km NE (37 deg. ) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs 801 Comment
  SBBG81103  Bidens laevis S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, Riverside, S side of river; T2S, R5W SW 1/4 S30 207 Comment
  UCR199778  Bidens laevis Scott D. White, Lynn Stafford 2007-6-27 11752 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  CAS-BOT-BC100275  Blennosperma nanum var. nanum H. A. Zuill 1966-4-1 105 Riverside 2 1/2 - 3 miles WSW of Murrieta Comment
  RSA503136  Bloomeria crocea var. crocea J. D. Olmsted 1962-5-10 3616 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  CAS-BOT-BC16106  Boechera californica Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. Comment
  RSA278503  Boechera californica John F. Emmel 1977-6-9 565 Riverside Thomas Mountain Road, ca. 0.5 air mile SW of Jozee Spring. 1585 Comment
  UCD170132  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside San Jacinto Mtns., South fork of San Jacinto River, Hwy 74, c. 1-3 road mi. east of U.S. Forest Service Cranston Fire Station. 600 Comment
  SEINET3228131  Boerhavia coulteri G. Rink 2012-9-1 11654 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  JOTR30838  Boerhavia triquetra La Doux, Tasha, Jim Andre 2008-9-16 348 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  JOTR35017  Boerhavia triquetra var. intermedia La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3115 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  JOTR34997  Boerhavia wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3099 Riverside Joshua Tree National Park. Pinto Basin, Route 111, north of sand hills Comment
  RSA339253  Boerhavia wrightii Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-23 53603 Riverside Pinto Basin Road: Along road, 4.5 mi S of meeting area of Mojave and Colorado Deserts 1098 Comment
  UCR232064  Bolboschoenus maritimus subsp. paludosus John F. Green 2008-4-24 13- 08 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  SEINET212401 Image available Bouteloua aristidoides var. aristidoides Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-23 6491 Riverside Palen Valley 15 miles northeast of Desert Center 183 Comment
  CAS-BOT-BC540737  Bouteloua barbata Sarah J. De Groot; Amy Rouillard 2015-9-15 7567 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  UCR149061  Bowlesia incana Michael L. Fugate 2005-2-18 s.n. Riverside Coyote Hill SE of UC Riverside campus, lower slopes of hill with Bench Mark Versity 366 Comment
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Mar 27 2013
  UCR241677  Brachypodium distachyon O. F. Clarke 2010-5-4 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA394244  Brandegea bigelovii M. B. Dunkle 1935-4-17 4564 Riverside W. of Wiley Well. Colorado Desert. Comment
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Dec 14 2011
  RSA394253  Brandegea bigelovii Robert Gustafson 1978-3-21 842 Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  UC354498  Brandegea bigelovii Edmund C. Jaeger 1925-12-19 Riverside Fish Traps near Mecca 3 Comment
  UCD107473  Brandegea bigelovii Lewis S. Rose 1967-12-21 67187 Riverside 2 mi. s. of Palm Desert. 60 Comment
  UCR155818  Brassica rapa John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  CAS-BOT-BC106245  Brickellia californica Lathrop; Thorne 1967-9-26 6617 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  RSA588675  Brickellia californica Darin L. Banks, Steve Boyd 1995-10-26 0832 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary 713 Comment
  RSA592677  Brickellia californica Scott D. White 1996-7-2 4254 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
  UCR34878  Brickellia californica L. B. Ziegler 1973-10-20 520 Riverside San Jacinto Mtns., Hemet (Garner) Valley, W side of valley. 1500 Comment
  JOTR36390  Brickellia desertorum La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3343 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  RSA16813  Brickellia desertorum C. B. Wolf 1931-10-14 3900 Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  UCR23692  Brickellia desertorum John C. Roos 1946-9-14 3023 Riverside Santa Rosa Mountains, Pines-to-Palms Highway. 1100 Comment
  RSA70127  Brodiaea filifolia F. W. Peirson 1922-5-19 3070 Riverside 2 miles southeast of Perris Comment
  UCR94259  Brodiaea filifolia Scott D. White 1996-4-14 3890 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
  RSA559357  Brodiaea santarosae Steve Boyd, Timothy S. Ross 1992-5-15 7385 Riverside Southern Santa ana Mtns., southern flank of Elsinore Peak along old Main Divide Road track about 1/4 mile due south of radio towers, 1037 Comment
  UCR218077  Brodiaea santarosae Steve Boyd 2010-5-28 12282 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers 1012 Comment
  CAS-BOT-BC221150  Bromus berteroanus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37794 Riverside Peninsula Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA385314  Bromus carinatus N. C. Cooper 1944-4-8 1052 Riverside Andreas Canyon 305 Comment
  UCR2203  Bromus carinatus F. M. Reed 1920-6-14 4426 Riverside San Jacinto Mountains, Banning Road at Point View [=Vista Grande?] 1524 Comment
  UCR9396  Bromus carinatus D. H. Wilken 1965-6-29 361 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  SD232570  Bromus diandrus A. C. Sanders, S. Hawkins, J. Goetzen & D. Freeman 1996-5-1 18110 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats; 1100 Comment
  SDSU13932  Bromus diandrus Michael G. Simpson, Adrienne Russell 2000-4-29 2072 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR138916  Bromus diandrus Julie A. Greene 1993-4-3 1078 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of levee road, south of the permanent pond 441 Comment
  RSA495790  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2897 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA198990  Bromus hordeaceus subsp. molliformis R. F. Thorne 1968-5-8 37580 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  UCR153985  Bromus madritensis Arlee Montalvo, Julie M. Evans 2005-5-14 663 Riverside Santa Ana Mtns., Foothills of Santa Ana Mtns. Santa Margarita River at the Santa Margarita Ecological Reserve. At edge of sandy/rocky channel of riparian area 244 Comment
  JOTR37493  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-4-6 622 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon Comment
  SBBG497  Bromus rubens C. H. Muller 1952-4-5 9489 Riverside White Water Cyn, 1 mi above White Water Comment
  CLARK-A1528-4556  Bromus tectorum John C. Roos 1967-4-25 Riverside Hemet 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
  UCR20531  Bromus trinii John C. Roos, L. Roos 1953-3-21 5909 Riverside Sonoran (Colorado) Desert, Mouth of Andreas Canyon south of Palm Springs 274 Comment
  UCR42311  Bromus trinii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 171 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  CHSC100825  Caesalpinia virgata Susan Bazell 2009-1-3 68 Riverside Mecca Hills. In Painted Canyon. Comment
  JOTR28872  Caesalpinia virgata La Doux, Tasha, Bill Truesdell 2004-3-17 1107 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  SEINET12160519  Caesalpinia virgata Unknown 1936-1 12788 Riverside Colorado Desert N of Palm Springs Comment
  UCR117326  Calandrinia ciliata Mitch Provance 1998-6-11 650 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  UCR250568  Calandrinia ciliata A. C. Sanders 2014-4-25 41069 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UCR60512  Callitriche marginata R. F. Thorne 1973-5-23 43842 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  POM12906  Calochortus concolor Philip A. Munz 1922-6-24 5811 Riverside Pipe Creek, Hemet Valley, San Jacinto Mountains region 1402 Comment
  UCSB626  Calochortus invenustus Wilson, Richard 1958-5-18 Riverside At Pinon Flats on State Highway Comment
  RSA582824  Calochortus palmeri var. munzii Mark Elvin, Orlando Mistretta 1995-6-1 43 Riverside San Jacinto Mountains: Garner Valley, off Fobes Ranch Road. 1375 Comment
  UCR222418  Calochortus plummerae D. E. Bramlet, M. Riedel-Lehrke 2006-6-13 4021 Riverside Peninsular Range; Perris-Aguanga Basin Region, West Hemet Hills, 1.28 km south of Florida Ave. & 1.31 km east of Hwy 79/Winchester Rd. 625 Comment
  UCR168414  Calochortus splendens Gale Sphon 1959-5-2 325 Riverside Peninsular Ranges; Santa Ana Mountains region, Cleveland National Forest, between Upper and Lower San Juan Camps, 'Orange County 488 Comment
  UCR217564  Calochortus weedii var. intermedius Jeff B. Galvin 2008-6-13 69 Riverside Peninsular Ranges, Santa Ana Mountains, South of Sierra Peak along main access road. ~ 4km south of Prado Dam 908 Comment
  RSA336171  Calycadenia tenella R. F. Thorne 1978-5-21 52002 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA456157  Calycanthus occidentalis Kessler 1920-7-4 17045 Riverside San Jacinto Mts. Comment
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Nov 19 2011
  RSA0123375  Calyptridium monandrum Duncan S. Bell, Thomas Stoughton 2016-4-14 9295 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
  RSA679170  Calystegia occidentalis subsp. fulcrata Fred M. Roberts 2003-6-25 5939 Riverside Santiago Peak, old road near Orange County line, c.a. 150m N jct. with Main Divide Truck Trail, 0.5 km north summit. 1633 Comment
  CLARK-A1528-2608  Calystegia sepium John C. Roos, Lucille Roos 1952-6-10 5763 Riverside Riverside 259 Comment
  RSA465915  Camissonia bistorta P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  UCR250878  Camissonia bistorta S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1038 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  RSA4893  Camissonia boothii subsp. condensata Carl B. Wolf 1932-4-27 3009 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  HSC16418  Camissonia brevipes R. A. Eagle 1964-3-28 24 Riverside 5 mi. out of Palm Springs on the main Hwy. Comment
  RSA466162  Camissonia californica E. Crow 1929-4-21 339 Riverside North of Alberhill. Comment
  UCR21992  Camissonia californica Steve Boyd 1980-7-12 328 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR258869  Camissonia californica T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7908 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR83193  Camissonia californica A. C. Sanders 1994-5-15 14484 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR84616  Camissonia californica Scott D. White, S. Ogg 1994-4-21 2002 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM272059  Camissonia californica Lyman Benson 1933-3-31 4179 Riverside Beginning of Hemet Road, San Jacinto Mt. Colorado Desert. 579 Comment
  SD7322  Camissonia campestris subsp. campestris Daniel Cleveland 1882-4-24 Riverside San Jacinto Plain. Comment
  RSA776245  Camissonia cardiophylla Duncan S. Bell 2010-3-20 637 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  CLARK-A1703-1218  Camissonia claviformis Charlotte Stocks 1963-4-20 Riverside Box Canyon Comment
  UCR104013  Camissonia claviformis George K. Helmkamp 1998-4-4 3136 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR126427  Camissonia claviformis T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 53 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCR20765  Camissonia claviformis A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1330 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
  POM27200  Camissonia claviformis subsp. aurantiaca Lyman Benson 1933-3-31 4168 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA101675  Camissonia claviformis subsp. aurantiaca T. C. Porter 1888-2-28 s.n. Riverside California--Colorado Desert on Salt Creek, on the South Pacific Railroad -69 Comment
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Feb 3 2011
  RSA448924  Camissonia claviformis subsp. aurantiaca Ora M. Clark 1929-2-23 1559 Riverside E. Whitewater. Comment
  UCR234808  Camissonia claviformis subsp. aurantiaca Jim Andre, Glenn L. Clifton 2011-2-22 17469 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  SEINET3093240 Image available Camissonia confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto Valley; San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  UCR98303  Camissonia confusa Scott D. White 1993-5-29 1459 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UCR104084  Camissonia hirtella A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20635 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  RSA710937  Camissonia pallida A. C. Sanders, K. C. Rose 1995-4-5 16368 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62. 518 Comment
  SEINET3093300 Image available Camissonia pallida G. Helmkamp, A. C. Sanders, P. MacKay, T. Thomas 1997-2-8 19674 Riverside Colorado Desert: Palm Springs, Indian Ave at Las Vegas Rd, below mouth of Chino Canyon. Palm Springs 7.5' Quad. 188 Comment
  RSA449250  Camissonia pallida subsp. hallii Anstruther Davidson 1929-04 s.n. Riverside Morongo Canyon. Comment
  RSA449239  Camissonia pallida subsp. pallida M. B. Dunkle 1932-3-25 2877 Riverside Cabazon. Comment
  RSA25368  Camissonia refracta C. L. Hitchcock 1940-4-1 5898 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  SDSU3328  Camissoniopsis bistorta H. Wedberg 1958-3-30 196 Riverside City of Perris At Cajalco Road (Lake Mathew road) roadside, 6.1 mi west of Hwy 395 and 0.2 mi. west of Cajalco Fire Station. 458 Comment
  UC874013  Camissoniopsis bistorta I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4730 Riverside Gavilan Peak 600 Comment
  SD247462  Camissoniopsis hirtella T. B. Salvato, Matt MallA^ 2014-5-29 8025 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mile west of Murrieta Road and 4.3 miles southeast of Canyon Lake (Romoland 7.5'Q) 534 Comment
  UCSB38661  Camissoniopsis micrantha Cowan, Clark 1978-4-25 Riverside Whittaker transect #W-229; 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts., Cleveland Nat. F. Comment
  SD185271  Camissoniopsis pallida A. C. Sanders, J.. Dice, K. C. Rose, D. Woodard 1995-3-29 16252 Riverside San Jacinto Mountains; Sonoran (Colorado) Desert; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village (White Water 7.5'Q) 381 Comment
  UC922783  Camissoniopsis pallida subsp. pallida Annie M. Alexander and Louise Kellogg 1940-3-21 884 Riverside at end of road Mohave Desert, Barker Dam (20 mi s of Twenty Nine Palms) 1322 Comment
  UCSB4448  Camissoniopsis pallida subsp. pallida Long, Frances 1939-12-31 Riverside Indio Comment
  UCSB4471  Camissoniopsis pallida subsp. pallida Koran, John 1958-4-15 Riverside 4.5 miles W. of HWY 111 on HWY 74, Just west of Palm Desert Comment
  RSA511358  Cardamine californica var. integrifolia B. Pitzer, E. Misquez 1988-3-20 670 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
  UCR109649  Carex T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  RSA180427  Carex densa E. W. Lathrop 1959-4-26 4503 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  UC1254603  Carex douglasii James E. Cole 1941-5-17 726 Riverside Covington Flat Joshua Tree National Monument, Covington Flat 1584 Comment
  UCR26920  Carex pellita A. C. Sanders 1980-7-22 1708 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  RSA364682  Carex praegracilis H. de Forest s.n. Riverside E of Coachella Valley. Chino Canyon. Colorado Desert Comment
  CAS-BOT-BC117450  Carex senta D. E. Breedlove 1961-7-29 873 Riverside Fuller Mill Creek where it crosses Riverside Hwy #1. San Jacinto Mountains. 1645 Comment
  SEINET10786964  Carex senta Peter F. Zika 2010-8-3 Zika 25243 Riverside Vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. 2550 Comment
  SD79818  Carex spissa Helen V. Witham 1969-7-2 189 Riverside De Luz Creek Crossing; 4 miles north of De Luz. 249 Comment
  RSA364711  Carex subfusca M. B. Dunkle 1933-7-23 3759 Riverside San Jacinto Peak, San Jacinto Mountains. 3049 Comment
  UC1922343  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St. at Florida Ave. (Hwy. 74). Comment
  SEINET949244  Cassia eremophila Miles Fellows 1985-1 67 -182 Riverside Cultivated at the UCR Botanical Garden. Comment
  SEINET3074273 Image available Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer 1986-3-1 6041 Riverside Hayfield Lake, NW end of the lake ca. 0.5 miles SW of the pumping station. 410 Comment
  UCD122168  Castilleja affinis A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23899 Riverside Perris-Aguanga Basin region: Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta. 396 Comment
  RSA516607  Castilleja affinis R. C. Bacigalupi, L. R. Heckard, C. L. Custer 1953-5-5 4077 Riverside Along Calif. Highway 79, at first right-angle turn 5.7 mi. S. of Hemet, at edge of hills south of Diamond Valley. 518 Comment
  POM11505  Castilleja applegatei subsp. martinii Philip A. Munz 1922-7-7 6036 Riverside Above Tamarrack Valley. 2927 Comment
  UC886552  Castilleja exserta P. A. Munz and I. M. Johnston 1922-5-19 5444 Riverside 2 mi below Kenworthy; San Jacinto Mts. 1402 Comment
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Mar 25 2011
  UCR121783  Castilleja exserta A. C. Sanders, Carolyn Washburn 2001-4-17 24051 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR227586  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1101 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3.0 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1386 Comment
  SEINET3078515 Image available Castilleja exserta subsp. exserta F. A. Rauch 1966-4-4 s.n. Riverside East slope of Sugarloaf Mtn. (Box Springs Mtns.) 457 Comment
  RSA160447  Castilleja foliolosa John Olmsted 1958-6-10 154 Riverside six miles southwest of Corona on Oak Flat fire road (turn S in Corona from US onto Lincoln). 610 Comment
  UCR121243  Castilleja foliolosa Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2264 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR245981  Castilleja foliolosa Duncan S. Bell, Jennifer Pilapil, Terry Higgins 2011-6-2 2629 Riverside Transverse Range; San Bernardino Mtns., side canyon off of the West Fork of Mission Creek c. 0.5 air mile south of where the Pacific Crest Trail crosses the West Fork of Mission Creek 944 Comment
  UC68540  Caulanthus cooperi H. M. Hall 1905-5-11 6023 Riverside Cottonwood Mts. Colorado Desert, Cottonwood Mts. 609 Comment
  JOTR35488  Caulanthus hallii La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3176 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UC597600  Caulanthus hallii Philip A. Munz 1937-5-30 15093 Riverside nw slope Santa Rosa Mts.; nw slope Santa Rosa Mts. 1828 Comment
  SD114866  Caulanthus heterophyllus David Diaz 1981-4-29 Riverside On Indian Truck Trail. 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
  SBBG2587  Caulanthus lasiophyllus H. and M. Dearing 1936-12-12 507 Riverside N of Indio Comment
  UCR75039  Caulanthus lasiophyllus A. C. Sanders, E. J. Lawlor 1992-4-4 12153 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM305340  Ceanothus crassifolius Henry J. Ramsey, Henry J. Ramsey 1938-2-25 678 Riverside Temecula Comment
  RSA500063  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3246 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 426 Comment
  RSA562563  Ceanothus crassifolius Steve Boyd, W. Appleby 1993-3-14 7726 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 976 Comment
  RSA575065  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -P 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
  RSA606771  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27350 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  LA42001  Ceanothus cuneatus W. E. Pequegnat; 1939-4-8 49 Riverside Mira Loma Comment
  RSA399037  Ceanothus cuneatus I. W. Clokey, E. G. Anderson 1935-4-16 6734 Riverside East of Hemet 820 Comment
  RSA755790  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-3-21 DOB 803 c Riverside San Jacinto Mountains at intersection of Chimney Flats Road and USFS Road 5S13, 2.8 road miles from highway 243 via Toll Gate Road, Apela Drive, and USFS roads 5S24 and 5S13, 4.57 kilometers 257 degrees true west-southwest of Idyllwild. 1440 Comment
  CHSC1503  Ceanothus cyaneus E. Thomas 1940-3-10 Riverside Foothills above Sage. Comment
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Jan 7 2020
  CLARK-A1528-3895  Ceanothus leucodermis John C. Roos 1952-4-23 5574 Riverside Highgrove Comment
  RSA4386  Ceanothus leucodermis Carl B. Wolf 1932-3-20 32 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UC1979666  Ceanothus leucodermis Darin L. Banks, Steve Boyd 1995-3-16 98 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. Comment
  UCR166154  Ceanothus leucodermis T. B. Salvato, John F. Green 2004-5-27 560 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
  RSA221012  Ceanothus oliganthus E. W. Lathrop 1966-4-28 6221 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. Comment
  RSA263748  Ceanothus oliganthus E. W. Lathrop 1968-5-22 6905 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA517099  Ceanothus ophiochilus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3097 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA562617  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-1 7721 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  SD134388  Ceanothus ophiochilus Craig Reiser 1990-7-1 Riverside Crest of Oak Mountain W of Vail Lake Comment
  UCR68478  Ceanothus ophiochilus Steve Boyd, L. Arnseth, T. S. Ross 1989-3-31 3098 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  UCSB7070  Ceanothus perplexans Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Rd. from State Rd. 111 609 Comment
  SD7234  Ceanothus verrucosus Daniel Cleveland 1882-5-3 Riverside Temecula Comment
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Mar 27 2011
  UCR124660  Celtis reticulata B. C. Templeton 1954-11-3 s.n. Riverside San Bernardino Mountains, canyon north of Banning [prob. end of 16th St., Gilman Ranch] 915 Comment
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Mar 13 2011
  SD239538  Cenchrus longisetus T. B. Salvato 2000-8-22 20 Riverside Peninsular Range: Riverside, Bascomb Drive at Don Goodwin Street (Riverside East 7.5'Q) 309 Comment
  CAS-BOT-BC277182  Centaurea X pouzinii R. M. Howie No date on label s.n. Riverside Fuller Rancho, Corona Comment
  RSA391516  Centaurium venustum N. C. Cooper 1944-6-4 1357 Riverside San Juan Canyon. 762 Comment
  RSA425055  Centaurium venustum E. Misquez 1987-5-16 8 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  RSA617985  Centaurium venustum R. E. Riefner Jr. 1998-5-15 98 -301 Riverside Elsinore Trough between Willard and Murrieta Creek, Lake Elsinore. Comment
  UCR222310  Centranthus ruber R. F. Thorne, W. Wisura, David Michener 1982-5-24 55194 Riverside Peninsular Ranges; Santa Ana Mountains, Cleveland National Forest, along Ortega Highway 732 Comment
  CAS-BOT-BC279121  Centromadia pungens subsp. laevis R. F. Hoover 1968-6-6 11150 Riverside 1 mile east of Perris Comment
  UC1930967  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2005-8-28 05 -648 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. Comment
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Jan 15 2016
  RSA800232  Centromadia pungens subsp. pungens Justin M. Wood 2010-6-17 2045 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  SD178173  Cerastium glomeratum A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16035 Riverside Weed: Coachella Valley: Indio, just southwest of the Whitewater River Channel at Auto Center Dr. (Hwy 111). -7 Comment
  UCR15890  Cerastium glomeratum Frank C. Vasek, G. K. Helmkamp 1979-4-27 s.n. Riverside Peninsular Range, Sandia Canyon Road about 2 mi from [SW of] Washington Street. Near Murrieta. 457 Comment
  RSA247378  Cercidium floridum Gary D. Wallace 1967-4-29 720 Riverside Northeast of Coxcomb Mts., 15 miles North of Desert Center along Parker Dam Hwy. Comment
  POM293590  Cercocarpus betuloides Lyman D. Benson 1946-4-15 12036 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  CAS-BOT-BC135500  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 289 Riverside Up canyon from turnout parking area which is 1/2 mi. up Sta. Rosa Mt. road from Hwy 74 - Santa Rosa Mountains 1371 Comment
  CAS-BOT-BC177411  Chaenactis carphoclinia Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4615 Riverside Along Palen pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  OBI26124  Chaenactis carphoclinia David J. Keil 1976-12-12 11922 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  SBBG7866  Chaenactis carphoclinia C. H. Muller 1952-4-6 9506 Riverside ca. 1 mi N of S entrance to Joshua Tree Nat Monument Comment
  SD215392  Chaenactis carphoclinia W. Wisura, J. Dolan and M. Wall 1992-3-24 4615 Riverside 4.7 miles Northeast of Mecca on Box Canyon Road. Comment
  JEPS20786  Chaenactis carphoclinia var. carphoclinia Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13256 Riverside 2.3 mi above Midland P.O.; Little Maria Mts. Comment
  JEPS5010  Chaenactis carphoclinia var. carphoclinia Rimo Bacigalupi and L. R. Heckard 1953-5-5 4071 Riverside along Morongo Creek Morongo Creek (between Morongo Valley and Coachella Valley) 685 Comment
  POM126313  Chaenactis carphoclinia var. carphoclinia T. Craig 1927-4-2 10 Riverside Hidden Springs Canyon. Comment
  CAS-BOT-BC276907  Chaenactis fremontii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  CAS-BOT-BC276911  Chaenactis fremontii Palmer Stockwell 1940-4-24 1505 Riverside 1 mile E of Banning Comment
  JEPS30922  Chaenactis fremontii P. Stockwell 1940-4-24 1504 Riverside 1 mi e of Cabazon Comment
  RSA336184  Chaenactis fremontii R. F. Thorne 1978-4-23 52039 Riverside Just E of Palm Desert. Comment
  UCD130334  Chaenactis fremontii Geoffrey Levin 1976-3-27 687 Riverside Chino Canyon, west of Palm Springs. =Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 396 Comment
  UCR114114  Chaenactis fremontii B. G. Pitzer, J. Ross 1998-3-8 3607 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR167061  Chaenactis fremontii Scott D. White 2005-3-29 10837 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR260891  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41471 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  UCR263485  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41452 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR86851  Chaenactis fremontii A. C. Sanders 1995-3-29 16273 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
  SD144054  Chaenactis glabriuscula Scott D. White 1997-5-25 5222 Riverside Bautista Canyon: Along Bautista Cyn Rd., < 1.3 road miles NW of Hixton Trailhead (USFS No. 2E43). 700 Comment
  UCR84651  Chaenactis glabriuscula Scott D. White, S. Ogg 1994-4-21 1974 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM305652  Chaenactis glabriuscula var. glabriuscula Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1014 Riverside Aguanga. Comment
  RSA708415  Chaenactis glabriuscula var. glabriuscula Scott D. White 2005-3-29 10840 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  SD173226  Chaenactis glabriuscula var. glabriuscula Juergen Schrenk 2006-5-7 52 Riverside Anza Borrego State Park, Pacific Crest Trail above Tule Spring. (IPB 4/07) Comment
  UC1979614  Chaenactis glabriuscula var. glabriuscula D. L Banks, Steve Boyd 1995-5-3 0191 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UC917865  Chaenactis glabriuscula var. glabriuscula Frank W. Gould 1943-4-17 2107 Riverside 12 mi s of Corona Comment
  UCR107828  Chaenactis glabriuscula var. glabriuscula D. L. Banks 1997-5-5 1988 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
  CAS-BOT-BC277548  Chaenactis glabriuscula var. lanosa H. M. Hall 1901-6-1 2165 Riverside San Jacinto Mountains. Thomas Valley 1371 Comment
  JEPS30566  Chaenactis glabriuscula var. lanosa Donald M. Kyhos 1957-6-18 57 -186 Riverside 11.5 mi s of Palms-to-Pines Highway (road to Aguanga); San Jacinto Mountains Comment
  RSA500072  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3239 b Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  JEPS30505  Chaenactis parishii Donald W. Kyhos 1958-5-16 58 -183 Riverside 1.85 mi up road toward Mount Santa Rosa; San Jacinto Mountains, Mount Santa Rosa Comment
  POM12915  Chaenactis parishii Philip A. Munz 1922-6-26 5835 Riverside Road to Santa Rosa. 1738 Comment
  UC1595798  Chaenactis stevioides W. Wisura, J. Dolan, and M. Wall 1992-3-25 4644 Riverside 14.3 mi e Corn Spring Rd. (Chuckwalla Rd.) Comment
  RSA432408  Chamaesyce Robert L. Dressler 1949-3-19 367 Riverside Box Canyon, Orocopia Mts. Comment
  RSA423515A  Chamaesyce arizonica B. C. Templeton 1930-3-22 1632 Riverside Palm Springs. 400 Comment
  RSA784753  Chamaesyce ocellata subsp. arenicola Duncan S. Bell 2012-2-12 3097 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  JOTR28793  Chamaesyce polycarpa La Doux, Tasha 2005-3-30 1062 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA444789  Chamaesyce polycarpa J. C. Roos 1965-6-23 s.n. Riverside Cactus City, on I 10, 25 miles east of Indio. Comment
Read comments
May 21 2011
  RSA793463  Chamaesyce polycarpa Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4371 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  RSA339339  Chamaesyce polycarpa var. hirtella R. F. Thorne, W. A. Tilforth 1980-5-28 54187 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA651896  Chamaesyce polycarpa var. polycarpa Douglas A. Springer 1981-2-16 11 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  RSA628535  Chamaesyce serpillifolia A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22212 Riverside Morongo Indian Reservation, East Branch of Millard Canyon 1128 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
  RSA495412  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2947 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA685680  Cheilanthes clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  JOTR16825  Cheilanthes covillei Supernaugh, William JR. 1967-2-16 57 Riverside Joshua Tree National Park. 1/4 MILE SOUTH OF RYAN HOMESTEAD 1341 Comment
  UCR150602  Cheilanthes covillei R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38136 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hilltop above Lake Fulmor 1677 Comment
  POM929  Cheilanthes covillei I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  RSA0033579  Cheilanthes covillei Robert F. Thorne 1966-10-15 41810 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  POM890  Cheilanthes newberryi Philip A. Munz 1918-4-27 2121 Riverside Perris Hills Comment
  UC1077121  Cheilanthes newberryi Herbert L. Mason 1926-5-2 3201 Riverside Temecula Valley Comment
  POM6637  Cheilanthes parryi P. A. Munz, Street, Williams 1919-3-25 2325 Riverside Palm Canyon. 243 Comment
  UC336622  Cheilanthes parryi C. C. Parry and J. G. Lemmon Apr. 1876 3 Riverside Mt San Jacinto; Colorado Desert Comment
  UCD137390  Cheilanthes parryi Geoffrey Levin 1976-3-27 682 Riverside Chino Canyon. West of Palm Springs. San Jacinto Mts. 396 Comment
  UCR281008  Chenopodium berlandieri Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 24 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  SD152884  Chenopodium berlandieri var. sinuatum Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7661 Riverside Southern Santa Ana Mountains, upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  UC1537379  Chenopodium californicum Gordon H. True Jr. 1935-3-14 102 Riverside Gavilan Hills 609 Comment
  UCR97682  Chenopodium californicum A. C. Sanders, G. Helmkamp 1997-3-15 19963 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UCR113606  Chenopodium missouriense A. C. Sanders, Mitch Provance 2000-10-16 23721 Riverside Riverside, railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  UCD84943  Chenopodium murale Chuck Hughes 2010-3-26 215 Riverside About 8.9 miles south of Highway 62. 328 Comment
  UCR115136  Chenopodium strictum Mitch Provance 2000-11-2 2295 Riverside North Riverside, Reid Park, c. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  CAS-BOT-BC231770  Chilopsis linearis W. R. Dudley 1903-12-25 s.n. Riverside Palm Springs Comment
  CLARK-A1703-1255  Chilopsis linearis Robin L. Kobaly 1977-3-23 Riverside Box Canyon Comment
  RSA0041964  Chilopsis linearis Duncan S. Bell, Loraine Washburn 2014-4-8 s.n. Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  RSA787623  Chilopsis linearis J. Russell Bruff 1931-7-25 458 Riverside Whitewater Wash 3 mi west of Palm Springs. Comment
  UCR17612  Chilopsis linearis N. R. Zabriskie, W. M. Zabriskie 1970-3-28 275 Riverside San Jacinto Mtns, North Canyon just above juncture with Andreas Canyon. E slope of Mtns Comment
  UCR245997  Chilopsis linearis Duncan S. Bell, Aaron Sedgwick 2012-9-13 4208 Riverside Sonoran (Colorado) Desert, Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, c. 5 air mi northeast of the junction of Box Canyon Road and the Coachella Canal or c. 1.25 air mi southwest of Shavers Well 240 Comment
  CAS-BOT-BC217964  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Adjacent to the Skinner entrance road, ca. 1 km NE of Borel Rd. Lake Skinner Area 472 Comment
  RSA701090  Chorizanthe brevicornu Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11253 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
  SD227877  Chorizanthe brevicornu Scott D. White, Pam Devries 1998-2-9 6078 Riverside La Quinta / Palm Desert area: Whitewater River Channel at and near Miles Ave. crossing. USGS La Quinta 7.5' quad. 17 Comment
  UCR174117  Chorizanthe coriacea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32615 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR21931  Chorizanthe coriacea Steve Boyd 1980-5-2 159 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR58855  Chorizanthe fimbriata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3628 Riverside Butterfield Valley, Vail Lake area, just south of junction of Hwy 79 and road to the marina 460 Comment
  UC1543897  Chorizanthe leptotheca Barbara Ertter with Jeffrey L. Strachan 1980-5-22 3491 Riverside e side Dripping Springs Campground (Cleveland National Forest near Highway 79 between Aguanga and Temecula n of Wild Horse Peak); Cleveland National Forest, n of Wild Horse Peak 609 Comment
  UCR280947  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 65 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  VVC1505  Chorizanthe leptotheca A. C. Sanders, PJ MacKay, Tim Thomas, O Clarke 1997-5-4 20679 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  CAS-BOT-BC252783  Chorizanthe parryi var. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  CAS-BOT-BC252789  Chorizanthe parryi var. parryi John Thomas Howell 1931-6-5 6658 Riverside San Gorgonio Pass at Cabazon Comment
  UCR151369  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10408 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  UCR156476  Chorizanthe polygonoides var. longispina Jason L. Hlebakos 2005-5-3 617 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  RSA676042  Chorizanthe rigida Scott D. White 2001-4-17 8342 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  SBBG16842  Chorizanthe rigida K. K. Muller 1958-3-22 917 Riverside Hwy 60, 7 mi E of Desert Center Comment
  UCR79490  Chorizanthe staticoides Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-13 7377 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approximately 1 mi 534 Comment
  SEINET9809164 Image available Chorizanthe wheeleri Sharon J. McCormick 1976-5-24 Riverside Santa Cruz Island, Channel Islands, Wash near field station Comment
  UCR261484  Chorizanthe xanti subsp. leucotheca A. C. Sanders, Katie Young, John Hale 2015-4-22 41587 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  JEPS100430  Chorizanthe xanti var. leucotheca Dean W. Taylor 2003-5-6 18522 Riverside 1.15 miles NNE of Cabazon, along access road paralleling powerlines, San Gorgonio Pass, growing in the wash draining Millard Canyon 640 Comment
  RSA0004915  Chorizanthe xanti var. leucotheca Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 305 Comment
  UCR23785  Chrysothamnus nauseosus John C. Roos 1943-10-16 2738 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  RSA125856  Chrysothamnus nauseosus subsp. bernardinus E. K. Balls, Percy C. Everett 1957-11-6 22793 Riverside Vanderventer Flat, State Hwy 74, 1402 Comment
  UCR114937  Chrysothamnus nauseosus subsp. consimilis Dave Ezell 1999-7-8 01 B Riverside Corona (Home Gardens), Promenade St. 0.2 mi. west of McKinley, 70-80 ft. north of 91 freeway. (El Sobrante de San Jacinto Spanish land grant) 210 Comment
  UCR58506  Chrysothamnus paniculatus Reid Moran 1967-11-7 14648 Riverside Sonoran (Colorado) Desert, 4 mi. north of Palm Springs. 300 Comment
  UCR244411  Chylismia brevipes subsp. brevipes Jim Andre 2012-4-16 20908 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  JEPS23431  Chylismia cardiophylla subsp. cardiophylla M. French Gilman 1845-1 716 Riverside Palm Springs of San Jacinto Comment
  SFV21806  Chylismia claviformis A. M. Hodges 2010-3-28 s. n. Riverside Sonoran Desert Salton Sea, Mecca Beach. -67 Comment
  UCSB12874  Chylismia claviformis Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash; 3 miles southwest of Palm Desert 426 Comment
  UCSB4425  Chylismia claviformis subsp. aurantiaca Beeks, Richard 1952-4-4 Riverside US 99; opposite Twenty Nine Palms turnoff Comment
  RSA770684  Cirsium californicum var. californicum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4787 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0070672  Cirsium occidentale var. californicum Duncan S. Bell, Jeffrey Morawetz, Kathleen Ashbaker 2010-6-28 1432 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1388 Comment
  UC63136  Cirsium scariosum H. M. Hall 1897-5-18 541 Riverside Cahuilla Comment
  CAS-BOT-BC285736  Cirsium vulgare John Thomas Howell 1952-10-24 28866 Riverside Pauba Ranch, about 8 miles east of Temecula Comment
  POM320504  Cirsium vulgare Patricia Wilder 1970-10-30 4831 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  UCR94947  Cirsium vulgare Scott D. White 1996-9-22 4537 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  CAS-BOT-BC438845  Cistanthe monandra L. A. Greata 1905-4-1 401 Riverside Coachella Comment
  RSA680837  Cistanthe monandra Scott D. White, Michael Honer 2003-4-30 9145 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA771676  Cistanthe monandra Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4990 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UCR158277  Clarkia epilobioides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30094 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
  UCR174325  Clarkia epilobioides A. C. Sanders, T. B. Salvato 2006-6-2 33088 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  SDSU8708  Clarkia purpurea Wende E. Rehlander 1983-5-22 105 Riverside Open rolling hills in upper part of Reche Canyon, approx. 7.5 miles from NW end of Reche Canyon Road, 0.5 mi. SE of Console Springs, and about 5 mi. south of Redlands. Comment
  CAS-BOT-BC172565  Clarkia purpurea subsp. purpurea A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area, north foot and lower slopes of Black Tmn., edge of Crown Valley on E side of Rawson Canyon 670 Comment
  CSUSB229  Clarkia purpurea subsp. quadrivulnera R. P. Sunderman 1968-5-2 Riverside University of California, Riverside (UCR). 335 Comment
  SEINET3224405  Clarkia purpurea subsp. quadrivulnera G. Goodwin 2012-6-15 3459 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  RSA526506  Clarkia similis Steve Boyd, T. S. Ross 1990-5-11 4701 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR156360  Claytonia parviflora T. B. Salvato, Kent Beaman 2005-5-16 871 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
  SDSU12921  Claytonia parviflora subsp. parviflora J. Jill Steinberg with Janet Knotts 1998-3-11 5 Riverside Ca. 1/4 mile along foot trail leading southeast from road, approximately 1/4 mile northeast of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 305 Comment
  SD217352  Claytonia parviflora subsp. viridis Steve Boyd, Tim Ross, et al 1990-4-2 4036 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  UCR60610  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3174 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA117664  Claytonia perfoliata subsp. perfoliata S. S. Tillett 1956-4-8 428 Riverside At intersection of US 91 and Cal 71, SW of overpass. Comment
  UCR16938  Clematis lasiantha E. W. Lathrop 1971-3-21 7453 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  CAS-BOT-BC92823  Clematis pauciflora Ynez W. Winblad 1938-5-15 s.n. Riverside Between Capistrano and Lake Elsinore. Comment
  CHSC35508  Clematis pauciflora Jeanne Muro 1972-4-29 39 Riverside 3 mi. SW of Murrieta on Tenaja Rd. 548 Comment
  RSA386290  Clematis pauciflora E. Crow 1929-3-17 199 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA543184  Clematis pauciflora Steve Boyd 1991-3-17 5495 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
  RSA552742  Clematis pauciflora Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6674 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UC213052  Clematis pauciflora A. J. McC. 1892-4-2 66 Riverside Elsinore Comment
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Aug 5 2010
  RSA747876  Cnicus benedictus Justin M. Wood 2009-5-15 714 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  POM305714  Collinsia concolor Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1025 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA0117410  Collinsia concolor R. C. Bacigalupi, Gene Newcomb 1954-4-25 4401 Riverside First-year 'burn' along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  RSA0117418  Collinsia concolor D. Charlton 1988-5-21 1969 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  RSA0117389  Collinsia parryi E. W. Lathrop 1959-4-16 4473 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  OBI10312  Colubrina californica Annie M. Alexander, Louise Kellogg 1941-5-20 2206 Riverside Camy cr, SE Eagle Mts Comment
  RSA36572  Colubrina californica M. Scheneck 1941-5-22 s.n. Riverside Joshua Tree Nat't Monument, Ruby Lee Mill Site 915 Comment
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Mar 28 2010
  RSA557372  Convolvulus arvensis Julie Greene, Scott D. White, B. Greene 1993-7-5 1395 Riverside San Jacinto Wildlife Area, On raised wet area, west of dirt road. 445 Comment
  UCR272493  Convolvulus arvensis Mitch Provance 2013-6-16 613- 23 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  RSA496374  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3049 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  RSA522703  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3890 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
  POM12917  Corallorhiza maculata Philip A. Munz 1922-6-23 5786 Riverside Keen Camp, San Jacinto Mountains 1585 Comment
  CAS-BOT-BC101304  Corethrogyne filaginifolia Wesley Griesel 1962-9-18 744 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  SD136906  Corethrogyne filaginifolia Steve Boyd 1994-10-14 8401 Riverside San Mateo Canyon Wilderness Area, along the Fisherman's Camp Trail. 449 Comment
  UC1424862  Corethrogyne filaginifolia J. Sauer and F. Vasek 1973-9-26 5545 Riverside sw Murrieta; Mesa de Colorado Comment
  CLARK-A1528-5630  Cotula australis John C. Roos 1965-12-20 Riverside Riverside 243 Comment
  UCR94496  Cotula coronopifolia Steve Boyd 1982-4-27 s.n. Riverside Peninsular Range, Gavilan Hills, Temescal Canyon(Walker Canyon) between Alberhill Mtn & Gavilan Hills proper, just west of Warm Springs Valley, along I-15 396 Comment
  RSA613463  Crassula connata D. L. Banks, Victor Steinmann 1997-3-13 1429 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
  UCR126976  Crassula connata A. C. Sanders, T. B. Salvato 2003-5-9 26588 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR155158  Crassula connata A. C. Sanders, Kelly Volansky 2005-3-17 29202 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR232796  Crassula connata John F. Green 2008-4-16 0408- 48 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UCR96814  Crassula connata Scott D. White 1993-3-12 1179 Riverside Near Winchester 466 Comment
  UCR98179  Crassula connata Scott D. White 1997-2-28 4728 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR25850  Crossosoma bigelovii John C. Roos 1949-4-2 4127 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon Comment
  LA204878  Croton californicus Miss Halflaud; March 1925 6491 Riverside Palm Springs Comment
  UCR121340  Croton californicus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25031 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR245236  Croton californicus Jim Andre 2012-3-19 21343 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  CDA14351  Crypsis schoenoides D. Domenigoni 1997-7-21 s.n. Riverside West Coast Turf, 31755 Winchester Road, Winchester. 0 Comment
  JOTR35214  Cryptantha angustifolia La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3638 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road (Stop 1) Comment
  RSA615343  Cryptantha angustifolia George K. Helmkamp, E. Helmkamp 1998-2-18 2706 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  RSA778489  Cryptantha angustifolia Duncan S. Bell 2009-3-8 54 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA784773  Cryptantha angustifolia Duncan S. Bell 2012-3-18 3177 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  RSA799816  Cryptantha angustifolia D. M. Ray 2011-3-5 14 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SD126016  Cryptantha angustifolia F. R. Fosberg 1930-5-17 S 2622 Riverside Deep Canyon Comment
  UC1539722  Cryptantha angustifolia Chas. B. Fiker 1946-4-17 3417 Riverside w side Colorado Desert Comment
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Mar 23 2014
  UCR20836  Cryptantha angustifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1306 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
  UCR279573  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-28 43143 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA511314  Cryptantha barbigera A. C. Sanders 1988-5-11 7797 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 548 Comment
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Jun 15 2012
  UCR6095  Cryptantha barbigera Barry A. Vittor 1966-3-11 s.n. Riverside Western Colorado Desert, Rancho Dos Palmas, 2 miles NE of Salton Sea State Park 30 Comment
  SEINET10455557  Cryptantha barbigera David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3708 Riverside Borage. Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCR279588  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-28 43148 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR196105  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 8148 Riverside S Mojave Desert, Joshua Tree National Park, c. 50 m north of the Keys View Parking area, at south end of Little San Bernardino Mtns 1553 Comment
  UCR38136  Cryptantha barbigera var. fergusoniae J. M. Stewart 1985-3-16 s.n. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  UCR244473  Cryptantha circumscissa var. circumscissa Jim Andre 2012-4-16 20944 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  UCR187465  Cryptantha costata Michael Honer, Dave Silverman 2005-3-18 2096 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  PASA1986  Cryptantha intermedia 1928-3-3 Riverside near Whitewater Comment
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Jun 24 2016
  SD240921  Cryptantha intermedia A. C. Sanders, Matthew Malle 2010-4-23 37999 Riverside Peninsular Range: Menifee Hills, south of Sun City, south side of Bundy Canyon Road at intersection with Murrieta Road (Romoland 7.5'Q) 518 Comment
  UCR112957  Cryptantha intermedia B. G. Pitzer 1998-3-1 3546 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR113227  Cryptantha intermedia A. C. Sanders 1998-1-15 21635 Riverside Lake Skinner area, rocky knob (2527 ft.) along dirt road toward Crown Valley, NE of Black Mtn. 762 Comment
  RSA771753  Cryptantha intermedia var. intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4630 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR28747  Cryptantha maritima La Doux, Tasha, Bill Truesdell 2004-2-24 1029 Riverside Joshua Tree National Park. Eagle Mountains; Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 Comment
  UCR275516  Cryptantha maritima D. E. Bramlet 2010-3-1 4451 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  SDSU21879  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 47 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  UC24836  Cryptantha micrantha Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  RSA777445  Cryptantha micrantha var. micrantha Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 970 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  SBBG118781  Cryptantha microstachys S. D. White 1999-6-6 7442 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  UCR157463  Cryptantha microstachys A. C. Sanders 1994-5-30 14596 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR97698  Cryptantha microstachys A. C. Sanders, G. Helmkamp 1997-3-15 19930 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  JEPS67740  Cryptantha muricata W. L. Jepson 1901-5-19 1298 a Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UCR140935  Cryptantha nevadensis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  SDSU18709  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 67 Riverside Joshua Tree National Park. North side of Split Rock. 1294 Comment
  RSA771788  Cryptantha utahensis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4765 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
  POM4559  Cucurbita palmata I. M. Johnston 1918-5-30 1999 Riverside Between Elsinore and Perris. 548 Comment
  CAS-BOT-BC224549  Cuscuta californica David B. Dunn 1946-3-15 2016 Riverside In vicinity of Pushawalla Canyon, Indio Hills Comment
  RSA0097133  Cuscuta californica Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18360 Riverside 2.5 km NNW of central Beaumont, 42 km ENE of central Riverside. 785 Comment
  POM319077  Cuscuta ceanothi Patricia Wilder 1972-2-18 5359 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  RSA617825  Cuscuta salina R. E. Riefner 1998-7-9 98 -283 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR229488  Cuscuta salina Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  RSA70999  Cuscuta umbellata F. W. Peirson 1932-11-26 9659 Riverside Thousand Palms Comment
  SD229116  Cylindropuntia californica var. parkeri Dick Schwenkmeyer 2012-3-26 668 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
  POM12621  Cylindropuntia echinocarpa M. French Gilman 1922-4-9 s.n. Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UCSB24789  Cylindropuntia echinocarpa Oleson, Terry 1966-4-6 Riverside On S Palm Canyon Dr.; 1 mile south of W Palm Canyon Dr.; San Jacinto foothills 152 Comment
  UCR110412  Cyperus erythrorhizos A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23179 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA0106810  Cyperus involucratus Mitch Provance 2012-11-9 612 -52 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  RSA776703  Cyperus squarrosus Steve Boyd, Gary D. Wallace 2005-7-30 11649 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  POM11143  Cystopteris fragilis P. A. Munz 1922-7-6 6041 Riverside San Jacinto Peak, occasional at summit. 3287 Comment
  UCR69569  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-7-19 11142 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UCR71765  Dactyloctenium aegyptium L. F. LaPre, Megan Phillips 1991-9-9 91- 17 Riverside Sonoran (Colorado) Desert, Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  SEINET958537  Dalea mollis Unknown 2005-1 5757 Riverside NE riverside Co., Rice Vallet, SE of Danby Dry Lake, S. of Highway 62, along Midland (Blythe-Rice) Road, S. of rail road crossing. 234 Comment
  CDA26963  Dalea mollissima G. D. Barbe 1978-5-2 2370 Riverside Twenty-nine Palms/Mecca exit from eastbound I-10, Cottonwood Springs Road, east of Indio. 0 Comment
  HSC87170  Dalea mollissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2167 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  JOTR35380  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
  UC73149  Dalea mollissima E. E. Schellenger 1904-12-3 99 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench Comment
  UCSB37371  Datura discolor Roos, J. 1965-11-6 Riverside Colorado Desert, 26 miles west of Blythe. Comment
  UCR51987  Datura stramonium Steve Boyd 1987-10-10 2093 Riverside Riverside, N Main St. just south of Santa Ana River 250 Comment
  SD229294  Datura wrightii Dick Schwenkmeyer 2013-6-11 909 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  SEINET8465880 Image available Datura wrightii Unknown 1969-5-5 sn Riverside 1 mi south Corona, in field 207 Comment
  UCR154737  Daucus pusillus T. B. Salvato, Kent Beaman 2005-5-16 772 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
  RSA784310  Deinandra fasciculata J. D. Olmsted 1959-8-26 842 Riverside Oat Flat along Main Divide Motorway between Sierra Peak and the old Sierra Peak Guard Station, Santa Ana Mtns towards Santiago Res. 823 Comment
  CAS-BOT-BC414250  Deinandra paniculata R. E. Riefner, Jr. 2014-8-27 14 -305 Riverside City of Riverside, Moreno Valley, Box Springs Blvd. ca. 0.3 mi N of Eastridge Ave., W of 215-Freeway 482 Comment
  SD145467  Deinandra paniculata Brenda McMillan 1999-7-14 hem 24 Riverside Temecula, off Pourray Road. Skunk Hallow vernal pool, about 100m west of reserve gate 305 Comment
  SD181703  Deinandra paniculata Scott D. White 2001-6-20 8596 Riverside Just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215 Freeway. 441 Comment
  UC1746493  Deinandra paniculata A. C. Sanders with D. Malueg, K. D. Jones 2000-9-8 23635 Riverside gasline right of way across Pinto and Hoopes Ranches; Perris-Aguanga Basin Region; gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  CAS-BOT-BC7984  Delphinium parishii subsp. parishii Milo S. Baker 1928-4-3 2802 b Riverside Tahquitz Canyon near Palm Springs Comment
  JEPS5521  Delphinium parryi W. L. Jepson May 17 1901-Jun 1 1901 1429 Riverside Van Deventer's Ranch San Jacinto Mts. Comment
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Nov 9 2009
  UCR193923  Delphinium parryi A. C. Sanders, Mitch Provance 2008-7-11 35786 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR89801  Delphinium parryi Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3343 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  POM14899  Dendromecon rigida subsp. rigida Mary F. Spencer 1922-4-23 1923 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
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Mar 13 2011
  RSA586332  Dendromecon rigida subsp. rigida D. L. Banks, S. D. Boyd 1995-5-3 197 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA86763  Deschampsia danthonioides var. gracilis F. W. Peirson 1922-5-19 3022 Riverside 10 miles northeast of Murrieta. Comment
  UCR21969  Deschampsia danthonioides var. gracilis Steve Boyd 1980-5-13 260 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCD63292  Deschampsia elongata Peter Kamb 1950-7-9 1907 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  CAS-BOT-BC39733  Descurainia adenophora H. M. Hall 1901-6-1 2623 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley. 1828 Comment
  UC61034  Descurainia obtusa subsp. adenophora unknown Aug 1901 4520 Riverside Strawberry Valley; San Jacinto Mts. Comment
  JEPS37065  Descurainia pinnata W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1333 Riverside Thomas Valley to Van Deventer's Ranch Comment
  POM369422  Descurainia pinnata Ora M. Clark 1929-3-16 1699 Riverside South of Cabazon. Comment
  UCR97457  Descurainia pinnata John Wear, N. Moorhatch 1997-3-5 s.n. Riverside San Jacinto Mtns, Chino (Tramway) Cyn, both sides of road. 500 Comment
  POM13711  Descurainia pinnata subsp. menziesii P. A. Munz 1922-4-30 5121 Riverside Lancaster Valley, south of Hemet. Comment
  UCR117100  Descurainia sophia A. C. Sanders, T. B. Salvato 2001-5-3 24115 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR213853  Dicentra chrysantha Scott D. White, Justin M. Wood 2009-5-22 12920 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  SD153003  Dichelostemma capitatum subsp. capitatum Steve Boyd, Tim Ross 1992-5-4 7183 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area, Oak Flats area east of Verdugo Potrero. Rolling terrain. Common on heavy soil, native grassland and adjacent openings in chaparral and oak woodland. 730 Comment
  POM1676  Dichelostemma capitatum subsp. pauciflorum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  RSA501057B  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3174 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC292197  Dicoria canescens C. B. Wolf 1931-10-14 2457 Riverside At Cabezon [Cabazon], San Gorgonio Pass 518 Comment
  RSA0107426  Dicoria canescens Duncan S. Bell 2010-10-23 1991 Riverside East side of the Arica Mountains; west side of Rice Valley; about 3 air miles south of the ghost town of Rice. 227 Comment
  UC68944  Dieteria asteroides var. asteroides H. M. Hall 1905-4-1 5920 Riverside Paloverde Valley Colorado Desert, Paloverde Valley 91 Comment
  CAS-BOT-BC150878  Diplacus X australis Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 609 Comment
  CAS-BOT-BC150941  Diplacus bigelovii var. bigelovii Milo S. Baker 1928-4-3 3285 b Riverside Palm [Canon] Canyon Comment
  SBBG66720  Diplacus bigelovii var. bigelovii M. N. Ackley -Feb-1926 1054 Riverside near Edom 64 Comment
  CAS-BOT-BC152908  Diplacus brevipes R. Bacigalupi 1925-7-2 1242 Riverside On trail to Tahquitz Peak, San Jacinto Mts. 1767 Comment
  RSA0019278  Diplacus brevipes Robert L. Rutherford 1944-5-21 1222 Riverside San Jacito Mtns. West Side. 915 Comment
  CAS-BOT-BC150682  Diplacus longiflorus H. M. Hall 1901-6-1 2077 Riverside In the vicinity of Chalk Hill 1402 Comment
  SBBG87344  Diplacus longiflorus B. Pitzer, A. C. Sanders 1937-4-21 495 Riverside Box Springs Mtns, near southernmost radio towers 792 Comment
  LA12291  Distichlis spicata A. M. Johnson; 1937-11-26 110 Riverside Gilman Hot Springs Comment
  SEINET3928473  Distichlis spicata R. L. Piemeisel 1914-10-19 4065 Riverside 0.5 mi. ne. of Indio.; 0 Comment
  GMDRC3545  Ditaxis californica J. Andre, T. La Doux 2009-2-25 10802 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  RSA799919  Ditaxis californica Justin M. Wood, D. M. Ray 2011-4-28 3853 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  JEPS48843  Ditaxis lanceolata Marjorie D. Clary 1932-5-1 946 Riverside Deep Canyon w. Colorado Desert, Santa Rosa Mts., Deep Canyon Comment
  LA204866  Ditaxis lanceolata Theodore Labouchere; April 1915 204 Riverside borders of the Colorado desert along the E base of San Jacinto Mountain, not far from Palm Springs Comment
  UC1929492  Ditaxis lanceolata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10488 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
  UCR214433  Ditaxis lanceolata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37492 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR246845  Ditaxis lanceolata Jim Andre 2012-3-19 21322 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  RSA778006  Ditaxis neomexicana J. Andre 2011-2-9 15930 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
  SEINET1109560  Ditaxis neomexicana George K. Helmkamp 1998-1 3180 Riverside Sonoran (Colorado) Desert: 2.3 mi. N of Hwy I-10 on nEagle Mtn Rd. 274 Comment
  RSA4877  Ditaxis serrata C. B. Wolf 1932-4-27 s.n. Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  UCR33696  Ditaxis serrata Sears 1977-10-10 S 518 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  CAS-BOT-BC43639  Dithyrea californica Lewis S. Rose 1957-1-9 57022 Riverside La Quinta. 15 Comment
  CSUSB517  Dithyrea californica Shirley Hill 1963-2-20 630220 4 Riverside 3 feet of road, Vista Chino street, 1 mile north of Palm Springs Comment
  RSA33641  Dithyrea californica N. C. Cooper 1945-3-24 1618 Riverside Cabazon. 457 Comment
  SD255125  Dithyrea californica Duncan S. Bell 2010-2-21 554 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on western section of range. Scattered on sand ramp with Larrea tridentata. 452 Comment
  UCR17077  Dithyrea californica James K. Ryan 1969-3-15 52 Riverside Sonoran (Colorado) Desert, Windy Point, off Hwy 111 between Banning and Palm Springs c. 8 mi NE of Palm Springs (only point where mtn ridge reaches hwy), Coachella Valley 152 Comment
  UCR241546  Dithyrea californica A. C. Sanders, Ann Howald 2013-2-27 40551 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  SD136778  Dodecatheon clevelandii subsp. clevelandii Steve Boyd, Orlando Mistretta 1992-4-22 7020 Riverside San Mateo Wilderness Area. Indian Potrero south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  CLARK-A1045-151  Downingia concolor subsp. brevior George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains beside road; vernal pool near origin of creek; Wildomar 7.5'Q Comment
  RSA342815  Downingia cuspidata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51982 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SDSU21800  Downingia cuspidata Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3980 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UC12559  Drymocallis lactea var. lactea H. M. Hall July 1901 2400 Riverside in meadows or along creeks Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2804 Comment
  CAS-BOT-BC70833  Dryopteris arguta G. R. Kleeberger 1878-12-30 s.n. Riverside Temescal Comment
  IRVC19379  Dryopteris arguta R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  RSA680519  Dudleya lanceolata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA751925  Dudleya pulverulenta Scott D. White, Justin M. Wood 2009-5-22 12930 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  POM265678  Dudleya saxosa subsp. aloides J. C. Roos 1937-4-18 1284 Riverside Near Cabazon. Comment
  SD29177  Dudleya saxosa subsp. aloides Reid Moran 1941-5-4 834 Riverside Whitewater Comment
  SDSU13670B  Dysphania ambrosioides W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR2345  Echinochloa crus-galli F. M. Reed 1903-11-30 223 Riverside Riverside: Blaine Street, Ramona Ranch. 290 Comment
  UCR37454  Eclipta prostrata Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  CAS-BOT-BC113604  Eleocharis acicularis Frederick Morris Reed 1908-7-12 2480 Riverside Lake Surprise, San Jacinto Mts. 2743 Comment
  CAS-BOT-BC112767  Eleocharis macrostachya Philip Alexander Munz; Ivan Murray Johnston 1922-5-18 5323 Riverside 1/2 mile south of Lake Elsinore, mud flat. Comment
  JOTR32463  Eleocharis macrostachya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2608 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  SD234736  Eleocharis macrostachya Mitch Provance 2005-5-17 6568 Riverside Warm Spring Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 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. 395 Comment
  RSA593896  Eleocharis palustris Steve Boyd, David E. Bramlet 1996-4-19 8612 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  CAS-BOT-BC113301  Eleocharis parishii John Thomas Howell 1927-8-1 2878 Riverside Wet ground on Mission Creek T Cross K Ranch, n. Colorado Desert. 609 Comment
  UC111318  Eleocharis parishii S. B. Parish 1907-4-22 6145 Riverside Palm Canyon Colorado desert, western edge of 200 Comment
  RSA0050595  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35939 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. In open disturbed area along road 5S02. 1402 Comment
  LA102179  Elymus condensatus John C. Roos; 1963-8-10 sn Riverside Blythe Comment
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Mar 10 2014
  SD146093  Elymus elymoides Scott D. White 1997-5-18 5175 Riverside San Jacinto Mountains, Black Mountain Scenic Area, Black Mountain Trail between Highway 243 and Cinco Poses Trail junction 1700 Comment
  RSA561007  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross 1992-5-4 72032 Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  UCR207342  Elymus repens O. F. Clarke 2004-5-17 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  HSC13507  Emmenanthe penduliflora C. L. Hitchcock 1966-3-16 24183 Riverside 1/4 mi. W of Aguanga Comment
  JEPS1595  Emmenanthe penduliflora W. L. Jepson 1901-5-22 1363 Riverside upper part Palm Canyon; Mt. San Jacinto Comment
  POM14089  Emmenanthe penduliflora P. A. Munz, D. D. Keck 1922-4-13 4956 Riverside Eagle Mts, Colorado Desert. 213 Comment
  POM3680  Emmenanthe penduliflora Jenkins, L. T. Street 1917-5-30 1934 Riverside San Jacinto Canyon. Comment
  SEINET270931  Emmenanthe penduliflora Richard J. Shaw 1958-5-10 1108 Riverside Juniper Flat approximately 7 miles from Palm Desert. 1219 Comment
  UC217917  Emmenanthe penduliflora P. A. Munz, D. Keck 1922-4-13 4956 Riverside Eagle Mts.; Colorado Desert 213 Comment
  UCR279544  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-27 43129 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Siphon 22 on the Coachella Canal, just inside Naval Aerial Gunnery Range boundary 23 Comment
  SEINET10397868  Emmenanthe penduliflora Norman C. Cooper 1944-4-8 1053 Riverside Andreas Canyon 305 Comment
  UCR26134  Encelia actoni John C. Roos 1947-3-15 3342 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  CAS-BOT-BC131330  Encelia farinosa Ivan Johnston 1917-4-4 1112 Riverside Near Palm Springs 152 Comment
  CAS-BOT-BC131348  Encelia farinosa E. A. McGregor 1917-3-17 770 Riverside West of Fig Tree [John's] Johns Comment
  CHSC46063  Encelia farinosa Troy Griffiths 1988-4-1 104 Riverside Vic. of Living Desert Reserve, ca. 3 mi se of Palm Desert. 45 Comment
  RSA570254  Encelia farinosa Steve Boyd, Timothy S. Ross, W. Appleby 1993-3-20 7888 Riverside Southern end of Cadiz Valley, just east of the Coxcomb Mountains and northwest of the Granite Mountains, west edge of Highway 177, just south of intersection with Highway 62. 400 Comment
  RSA727085  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA795928  Encelia farinosa Duncan S. Bell 2009-4-19 281 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SD229088  Encelia farinosa Dick Schwenkmeyer 2013-6-11 911 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UC1118068  Encelia farinosa A. Lewis 1934-2-1 300 Riverside 3.5 mi e Auburndale; Corona Quad. 365 Comment
  UCR220003  Encelia farinosa A. C. Sanders 2010-11-18 38691 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  UCR52234  Encelia farinosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2214 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA519245  Encelia farinosa var. farinosa Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SD251191  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 122 Riverside Mojave Desert; Southcentral Mojave Desert region: South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 242 Comment
  RSA383860  Ephedra aspera N. R. Zabriskie 1969-1-4 176 Riverside Andreas Canyon near Palm Springs. 365 Comment
  RSA85057  Ephedra aspera F. W. Peirson 1922-4-9 3339 Riverside Andreas Canyon near Palm Springs. 426 Comment
  UC1007228  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside 2 mi n, Banning-Indio boulevard; Southern California, Whitewater Canyon Comment
  UCR38700  Ephedra californica J. M. Stewart 1985-4-28 8516 Riverside Western Colorado Desert, Coachella Valley, along the north side of Hwy I-10, 1 mi west of Indian Ave. 244 Comment
  CSUSB251  Epilobium adenocaulon var. parishii Lynn Baasch 1971-5-16 Riverside University of California, Riverside campus; Hill south of reservoir, which is south of Picnic Hill. Unnatural running water. Comment
  UCR110391  Epilobium brachycarpum A. C. Sanders, Mitch Provance 1999-9-26 23085 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  UCSB37835  Epilobium campestre Roos, John 1952-5-28 Riverside San Jacinto river bottomlands, 1 mile south-east of Perris 426 Comment
  UCR141233  Epilobium canum A. C. Sanders, Mike Misenhelter 2004-10-6 28834 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
  UCR193858  Epilobium canum A. C. Sanders, Mitch Provance 2008-7-11 35823 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA559605  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  RSA502520B  Epilobium ciliatum Steve Boyd 1989-5-7 3575 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA162775  Epilobium ciliatum subsp. ciliatum J. D. Olmsted 1959-7-1 712 Riverside Wellman s Cienega along San Jacinto Pk. trail from Fern Valley NE of Idyllwild. Comment
  RSA80634  Epilobium densiflorum F. W. Peirson 1924-7-29 5033 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  RSA633882  Epilobium glaberrimum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38156 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1616 Comment
  UC454597  Epilobium oregonense I. J. Condit 1910-6-21 Riverside Tahquitz camp San Jacinto Mts (in meadow) 2438 Comment
  RSA263784  Equisetum hyemale var. affine R. Weatherby 1950-5-4 3075 Riverside Hagador 457 Comment
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Jul 11 2012
  RSA191439  Equisetum laevigatum E. W. Lathrop, Thorne 1967-9-26 6624 Riverside 6 miles NW of Murrieta. Comment
  UCR26313  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  SEINET260215 Image available Eragrostis mexicana M. Curto, Linda Allen 1990-1 692 Riverside San Jacinto Mts; Mountain Center, jct CA Hwy 74 & CA Hwy 243, NW corner 1365 Comment
  UCR97253  Eragrostis mexicana Scott D. White 1996-9-22 4535 B Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  UCR2379  Eragrostis mexicana subsp. mexicana F. M. Reed 1927-11-20 5680 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  UC187906  Eremalche exilis S. B. and W. F. Parish March, 1881 99 Riverside borders of Colorado Desert at Agua Caliente; borders of Colorado Desert Comment
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Oct 27 2014
  UCR20767  Eremalche exilis A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1333 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR244444  Eremalche exilis Jim Andre 2012-4-16 20935 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  SBBG28429  Eremocarya lepida D. Myrick 1964-4-30 816 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  CAS-BOT-BC168359  Eremogone ferrisiae Reid Moran 1968-8-3 15366 Riverside North slope 1 mile west of summit, Santa Rosa Mtn. 2150 Comment
  UCSB12907  Eremothera boothii subsp. condensata Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon near Los Angeles Aqueduct Comment
  JEPS31677  Eremothera boothii subsp. desertorum Samuel B. Parish Mar 1882 Riverside Whitewater Colorado Desert Comment
  JEPS20763  Eremothera refracta Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13253 Riverside Hwy US 95 11.3 mi n Blythe (in wash arising from mts.); Big Maria Mts. Comment
  RSA0105499  Eriastrum densifolium subsp. austromontanum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC23525  Eriastrum densifolium subsp. austromontanum H. M. Hall July, 1901 2384 Riverside San Jacinto Mountains; s side 1584 Comment
  RSA0105465  Eriastrum densifolium subsp. austromontanum J. C. Roos 1965-7-22 s.n. Riverside Mountain Center Comment
  RSA0108910  Eriastrum densifolium subsp. austromontanum P. A. Munz 1922-7-1 5927 Riverside Santa Rosa Mtns: Old Nicholas Canyon. 1524 Comment
  RSA0110544  Eriastrum densifolium subsp. austromontanum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA0123352  Eriastrum diffusum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9052 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  CAS-BOT-BC514475  Eriastrum eremicum subsp. eremicum Alice Eastwood 1913-4-30 2984 Riverside Palm Springs Comment
  RSA0120401  Eriastrum eremicum subsp. eremicum H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  GMDRC5830  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  UC574982  Eriastrum sapphirinum C. Epling and Wm. Robison 1933-6-24 Riverside San Gorgonio Wash Little San Bernardino Mountains Comment
  UCR231733  Eriastrum sapphirinum John F. Green 2008-4-23 08- 16 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA0121253  Eriastrum sapphirinum subsp. sapphirinum N. C. Cooper 1949-6-29 4290 Riverside East side of San Jacinto Mountains. 1524 Comment
  CAS-BOT-BC515042  Eriastrum sapphirinum subsp. sapphirinum G. B. Grant 1901-8-1 11989 Riverside San Jacinto Mts., Strawberry Valley Comment
  UCR34959  Ericameria cuneata L. B. Ziegler 1964-10-1 042 Riverside San Jacinto Mtns, Garner (Hemet) Valley, vicinity of Kenworthy 1418 Comment
  RSA696802  Ericameria cuneata var. spathulata J. Russell Bruff 1928-4-2 s.n. Riverside White Tanks Comment
  UCR58879  Ericameria linearifolia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3227 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  SEINET10808732  Ericameria nauseosa David B. Dunn 1947-9-21 Dunn 3519 Riverside Collected in a shallow wash about 5 miles in from Hwy. to 29 Palms. In Joshua Tree National Monument. Comment
  CAS-BOT-BC299120  Ericameria nauseosa var. mohavensis Edmund C. Jaeger 1938-10-21 s.n. Riverside Joshua Tree National Monument, 15 miles S of Warren's Well, Little San Bernardino Mts 1280 Comment
  SD68978  Ericameria pachylepis E. W. Lathrop 1965-10-24 6024 Riverside 8 miles west of Murrietta. 609 Comment
  CAS-BOT-BC299526  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Alberhill Mountain, lower south-facing slopes southeast of the clay mining area, Elsinore Basin Region 449 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
  UCR235074  Ericameria palmeri var. pachylepis A. C. Sanders, John F. Green 2012-6-1 40221 Riverside Peninsular Range; Santa Ana Mtns. Region, hills between I-15 and Temescal Canyon Rd., 0.22 km south (178 deg. ) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake 325 Comment
  UC894833  Ericameria paniculata Lewis S. Rose 1938-12-20 38330 Riverside 3 mi se Palm Springs Station; Whitewater Wash 274 Comment
  UCR22309  Ericameria parishii Steve Boyd 1980-12-20 367 Riverside Peninsular Range, Gavilan Hills, Gavilan plateau, radio tower ridge south of Gavilan Peak Comment
  SD229092  Ericameria parishii var. parishii Dick Schwenkmeyer 2011-8-25 651 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UCD131707  Erigeron bonariensis Leslie Ede 1974-6-1 s.n. Riverside Blythe. Comment
  UC63357  Erigeron divergens F. Gilman 1902-1 25 Riverside Palm Springs Comment
  UCR122520  Erigeron divergens George K. Helmkamp, E. A. Helmkamp 2001-5-20 6687 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UCR277716  Erigeron divergens Mitch Provance 2012-7-17 17643 Riverside Beaumont Plateau, W end of Banning, 400 ft. SW of W Ramsey St. and Roberg Ave., area of fence line dividing I-10 and parking lot. 744 Comment
  POM357619  Erigeron foliosus var. foliosus Norman C. Cooper 1944-5-19 1298 Riverside Banning. 701 Comment
  RSA642600  Erigeron foliosus var. foliosus D. L. Banks, Mike Kinney 1998-6-8 2210 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 475 Comment
  UCR81995  Erigeron strigosus Steve Morgan 1994-3-25 94- 01 Riverside UCR Botanic Garden Comment
  RSA455012  Eriodictyon crassifolium N. R. Zabriskie, W. M. Zabriskie 1971-4-24 397 Riverside Water service road above crossing of Deep Canyon, Santa Rosa Mts. 1317 Comment
  CAS-BOT-BC189132  Eriodictyon crassifolium var. crassifolium Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  UCR268308  Eriodictyon crassifolium var. crassifolium Jim Andre 2012-6-15 30499 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  SBBG65134  Eriodictyon crassifolium var. nigrescens M. N. Ackley 1918-1 Riverside San Jacinto Mtns Comment
  CAS-BOT-BC188973  Eriodictyon parryi H. M. Hall 1896-9-2 332 Riverside San Jacinto Mountains Comment
  RSA510043  Eriodictyon trichocalyx B. Pitzer, H. Pitzer, J. Hall 1987-4-23 571 Riverside Whitewater Canyon, from N edge of Fish Hatchery to 0.5 miles N of It, 5.5 miles N of I-10 on Whitewater Canyon road. 732 Comment
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Jan 14 2010
  CAS-BOT-BC248619  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  CLARK-A1528-3634  Eriogonum davidsonii Robin L. Kobaly 1977-8-26 Riverside San Jacinto Mountains Comment
  JOTR32452  Eriogonum davidsonii Herskovits, Tasya 2011-9-28 2 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  POM209223  Eriogonum davidsonii S. G. Stokes 1933-7-1 106 Riverside Roadside talus near Idyllwild, San Jacinto Mountains. Comment
  RSA797605  Eriogonum davidsonii Robert F. Thorne, Walter Wisura 1977-9-17 50767 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  SD60831  Eriogonum davidsonii Peter H. Raven 1956-6-30 9544 Riverside Deserty flats 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  CHSC8078  Eriogonum deflexum Edward L. Smith 1958-3-22 396 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  SBBG61985  Eriogonum deflexum R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  JOTR34328  Eriogonum deflexum var. deflexum Andre, Jim 2012-4-11 20832 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  POM50081  Eriogonum deflexum var. deflexum E. C. Jaeger 1925-1-12 s.n. Riverside Painted Canon, Colorado Desert. Comment
  UC511830  Eriogonum elongatum var. elongatum Frank W. Peirson 1933-4-15 10651 Riverside 4 1/2 mi above the bridge; Whitewater River 701 Comment
  RSA783804  Eriogonum fasciculatum J. D. Olmsted 1960-2-15 1096 Riverside 100ft from highest point in Jurupa Hills, Santa Ana River. 686 Comment
  SD247480  Eriogonum fasciculatum subsp. polifolium T. B. Salvato 2014-3-29 8026 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Debon Street, about 0.7 mile west of Murrieta Rd. and 4.4 mile southeast of Canyon Lake. 537 Comment
  RSA614407  Eriogonum fasciculatum var. foliolosum D. L. Banks 1997-3-16 1540 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA701344  Eriogonum fasciculatum var. foliolosum M. Wall 1996-1-5 116 Riverside S of Hemet along Bautista Canyon Rd, S of Hwy 74, 6.3 mi SE of Fariview Avenue. 610 Comment
  RSA771762  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4575 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC1329844  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-17 715 Riverside Covington Flat Canyon Joshua Tree National Monument, Covington Flat Canyon 1371 Comment
  UC1563140  Eriogonum gracile Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3660 Riverside Temecula Creek canyon below dam; Vail Lake area, Temecula Creek canyon; Coordinates: T8 R1W NW1/4 NW1/4 sec.10, NE1/4 NE1/4 sec.9 457 Comment
  UCR193878  Eriogonum gracile A. C. Sanders, Mitch Provance 2008-7-11 35793 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR106914  Eriogonum gracile var. gracile D. L. Banks, Lauren Raz 1996-11-5 1181 Riverside NW Palomar Mtns., Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along main road in the reservation, c. 0.2 mi. east of the church, across from the local cemetery. 378 Comment
  SEINET10280030 Image available Eriogonum gracile var. incultum James L. Reveal, C. Rose Broome 1987-6-27 6614 Riverside San Jacinto Mountains, along Morris Ranch Road, 1.9 miles northeast of California Highway 74 and about 1.5 miles northeast of Kenworthy Guard Station, about 8 air miles southeast of Mountain Center 1585 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
  JOTR29505  Eriogonum heermannii var. argense Bell, Mike, Colleen Ely 2006-9-6 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Echo Cove parking area 1286 Comment
  CAS-BOT-BC263116  Eriogonum maculatum H. M. Hall 1899-6-1 1268 Riverside San Antonio Mountains. North side 1828 Comment
  UCR272168  Eriogonum nudum var. pauciflorum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8570 Riverside Santa Rosa Mountains, along Forest Service Road 7S02 c. 0.7 air mile west of the summit of Santa Rosa Mountain 2253 Comment
  UCR177332  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  UCR5712  Eriogonum pusillum Frank C. Vasek 1960-3-17 600317- 04 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  UC205938  Eriogonum reniforme Geo. B. Grant 1906-4-20 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  CAS-BOT-BC263510  Eriogonum thomasii Edmund C. Jaeger 1939-3-31 s.n. Riverside Box Canyon 10 miles east of Mecca, Colorado Desert Comment
  OBI40205  Eriogonum thomasii G. K. Helmkamp 1983-4-5 483 -34 Riverside Chuckwalla MTs, large was below Chuckwalla Spring, 9 mi SW of Graham Pass Rd 488 Comment
  UC1080450  Eriogonum thomasii P. C. Everett and E. K. Balls 1958-4-29 22960 Riverside U.S.Hwy 60/70 (Indio to Blythe) 5 mi e U.S. Hwy. 99 121 Comment
  UC1700176  Eriogonum thomasii Philip A. Munz 1940-3-23 15669 Riverside road from Dale to Cottonwood Springs (s base of Pinto Mts.); Pinto Mts. 609 Comment
  UC849809  Eriogonum thomasii I. W. Clokey 1935-4-17 6581 Riverside Cottonwood Springs Comment
  UCR216496  Eriogonum thomasii Jim Andre, T. La Doux 2009-3-10 11237 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
  UCR245954  Eriogonum thomasii Duncan S. Bell 2009-3-7 26 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  UCR89726  Eriogonum thomasii J. M. Stewart 1993-3-10 678 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; Corn Springs Rd, 2 mi south of Chuckwalla Rd. Comment
  RSA653433  Eriogonum thurberi Scott D. White 1999-5-24 7396 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
  UC912817  Eriogonum trichopes P. A. Munz and D. Keck 1922-4-14 4973 Riverside 10 mi w Inidan Wells (along the Whitewater); Colorado Desert 91 Comment
  RSA219215  Eriogonum wrightii var. membranaceum C. W. Tilforth, John Dourley 1970-10-16 322 Riverside Santa Rosa Mountain 2287 Comment
  UCR131586  Eriogonum wrightii var. nodosum L. C. Wheeler 1933-12-1 2294 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Tahquitz Canyon 152 Comment
  RSA766282  Eriogonum wrightii var. subscaposum Joseph A. Ewan 1930-8-31 2133 Riverside N rim of Tahquitz Valley. San Jacinto Mtns. 2652 Comment
  SEINET3260968 Image available Eriogonum wrightii var. wrightii T. La Doux, Jim Andre 2008-9-16 340 Riverside Mojave Desert; Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground (Indian Cove 7.5' Q.) 930 Comment
  CAS-BOT-BC298485  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs, Colorado Desert 150 Comment
  JEPS9915  Eriophyllum ambiguum var. paleaceum S. B. Parish 1920-3-25 20020 Riverside Murray Canon Colorado Desert, Palm Springs, Murray Canon Comment
  POM306146  Eriophyllum confertiflorum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1337 Riverside Santa Rosa Mountains. Comment
  RSA689561  Eriophyllum confertiflorum Scott D. White, Michael Honer 2003-4-25 9110 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  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
  UCR121  Eriophyllum confertiflorum Frances Miller 1964-5-5 M 6427 Riverside 20' below RR tracks at base of Box Springs Mtns, near end of Big Springs Rd. 381 Comment
  UCR26156  Eriophyllum confertiflorum John C. Roos 1948-5-1 3811 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater, N slope on a mountainside 549 Comment
  UCR29852  Eriophyllum lanosum George K. Helmkamp 1983-3-24 383- 4 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at junction of the Graham Pass and Chuckwalla Springs Roads 229 Comment
  RSA654552  Eriophyllum multicaule Bruce Albert 1982-4-17 74 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  SBBG122776  Eriophyllum multicaule A. Parikh 1990-4-23 154 Riverside E of Gavilan Pk, 0.2 km S of Ida Leona Rd, 1 km E of Gavilan Rd 627 Comment
  UCR112977  Eriophyllum multicaule B. G. Pitzer 1998-3-1 3550 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR22094  Eriophyllum multicaule Steve Boyd 1980-4-13 131 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  JOTR34195  Eriophyllum wallacei La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2988 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
  POM14090  Eriophyllum wallacei P. A. Munz, D. D. Keck 1922-4-13 4959 Riverside Eagle Mts, Colorado Desert. 213 Comment
  RSA645532  Erodium botrys Scott D. White 1993-3-12 1138 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  UCR265820  Erodium botrys Mitch Provance 2012-5-24 512- 01 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR93090  Erodium botrys Scott D. White 1995-3-30 2634 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA543586  Erodium brachycarpum Steve Boyd 1991-5-6 6138 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR245918  Erodium cicutarium Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3951 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR91444  Erodium cicutarium Scott D. White 1995-3-30 2632 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA775970  Erodium texanum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 861 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE. 396 Comment
  UCR113636  Eryngium aristulatum var. parishii June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  UCR164929  Erysimum capitatum T. B. Salvato, John F. Green 2004-5-27 631 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
  UCSB2338  Erysimum capitatum var. capitatum Ralph, F. 1959-5-16 Riverside San Jacinto Mountains, 8.5 miles north of Idyllwild and ca. 17.8 miles south of the jct. of 8th St. and San Gregornio Rd. Banning 1676 Comment
  RSA0020237  Erythranthe breweri Duncan S. Bell, Valentin Arvizu 2010-5-10 979 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA0020235  Erythranthe breweri P. A. Munz 1922-7-6 5996 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA0016049  Erythranthe cardinalis N. C. Cooper 1949-6-29 4343 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA0019318  Erythranthe guttata R. S. Woglum 1937-5-22 549 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA0019310  Erythranthe guttata Philip A. Munz 1938-8-14 15354 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SD134369  Erythranthe palmeri Craig Reiser 1989-4-19 Riverside Southeast corner of De Portola and Colt Road Comment
  RSA0022973  Eschscholzia androuxii A. M. Alexander, Louise Kellogg 1941-5-12 2155 Riverside Along main road, alt 3000ft, 4 miles NE of cottonwood Spring, Eagle Mtns, Riverside County 915 Comment
  UCR84605  Eschscholzia californica Scott D. White, S. Ogg 1994-4-21 1955 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CAS-BOT-BC154114  Eschscholzia glyptosperma N. Aitkenhead 1977-2-2 s.n. Riverside ~1 mi. from junction of J.T. Mon. Rd & pipeline Comment
  UC69220  Eschscholzia glyptosperma E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  RSA0118599  Eschscholzia minutiflora Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7641 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  UCD94294  Eschscholzia minutiflora Shannon M. Still; Robert Lee 2009-3-3 453 Riverside California. Riverside County: Joshua Tree National Park. 530 Comment
  UCD95447  Eschscholzia papastillii William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA4901  Eschscholzia parishii Carl B. Wolf 1932-4-27 3017 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UCSB18841  Eschscholzia parishii Perkins, Carlin 1963-5-5 Riverside State Highway 74; 5-7 miles SE of Pinyon Flats Campground 792 Comment
  UCSB21620  Eschscholzia parishii Shaw, M. 1964-4-5 Riverside 1.5 miles east of junction of State Highway 195 and turn-off to U.S. Highway 70 to Joshua Tree National Monument 594 Comment
  UCR113149  Eucalyptus camaldulensis A. C. Sanders 1998-3-11 21656 Riverside Shipley/Skinner Reserve, SW of Crown Valley in upper Rawson Canyon area 595 Comment
  IRVC27459  Eucalyptus gomphocephala A. C. Sanders, O. F. Clarke 1992-3-17 12069 Riverside University of California, Riverside Comment
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Sep 10 2011
  RSA0012826  Eucalyptus robusta Ed LaRue 1989-4-14 s.n. Riverside Old agricultural fields 0.5 mile S of Lakeview. 457 Comment
  SD185050  Eucalyptus rudis Alden Kelly 1986-3-17 Riverside Edgmont area of Moreno Valley from planting along W side of Hwy 215 at Eucalyptus Ave. Row runs ca. 1 mi along 215 456 Comment
  SEINET3091500 Image available Eucrypta chrysanthemifolia B. Pitzer, L. F. LaPre 1987-3-2 418 Riverside Peninsular Range; Bundy Canyon, 2 mi SE of Lake Elsinore, 0.5 mi north of Bundy Canyon Road, off Raciti Rd. Romoland 7.5 703 Comment
  UCR152518  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-22 29604 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR199741  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Jamie Minor 2008-3-13 11769 Riverside San Gorgonio Pass, Banning: south of Union Pacific RR, powerline route from Sunset Ave to 1 mile west 762 Comment
  SEINET7048199  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33709 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UC20222  Eulobus californicus Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  RSA709800  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  UCR194233  Euphorbia lathyris Scott D. White, J. Wood 2006-9-13 11644 Riverside Perris Basin/San Jacinto Mtn Foothills, Gibbel Flat in the Santa Rosa Hills 671 Comment
  RSA543151  Euphorbia melanadenia Steve Boyd 1991-3-17 5516 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
  UCR107720  Euphorbia polycarpa A. C. Sanders 1997-3-1 19738 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR26563  Euphorbia polycarpa var. hirtella George K. Helmkamp, R. L. Kobaly 1982-5-6 s.n. Riverside San Jacinto Mtns, N foot, at Snow Creek. Beside Snow Creek Road between the village and the wash. 488 Comment
  CLARK-A1528-441  Euphorbia serpyllifolia C. M. Flanagan 1973-6-13 OO 717 Riverside Morongo Indian Reservation 1127 Comment
  CLARK-A1528-4429  Fagonia laevis John C. Roos 1949-5-5 4095 Riverside Orocopia Mountains Comment
  UCR200289  Fagonia pachyacantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  SEINET1910073  Festuca microstachys T. B. Salvato, John F. Green 2004-1 572 Riverside San Bernardino Mts; Head of banning (San Gorgonia River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp (Forest Falls 7.5) 409 Comment
  UC1979683  Festuca microstachys Darin L. Banks, Steve Boyd 1995-5-9 394 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR213888  Festuca microstachys var. pauciflora Scott D. White, Justin M. Wood 2009-5-22 12912 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  UCR84607  Festuca myuros Scott D. White 1994-4-21 1956 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SD194  Festuca perennis Fidella G. Woodcock 1928-4-27 Riverside Road to San Jacinto Comment
  RSA336046  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52029 Riverside Chino Canyon Comment
  UCR174567  Filago californica Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-21 310 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
  UCR18116  Filago depressa A. C. Sanders 1978-4-2 116 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  RSA356984  Filago gallica R. F. Thorne 1973-5-23 43869 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  CAS-BOT-BC304296  Flaveria A. C. Sanders 1981-10-31 2392 Riverside McKinley St between Riverside and Corona, 0.3 mile N of Highway 91 and +-100 yds W of McKinley 304 Comment
  CHSC4931  Fouquieria splendens R. Pierce Jr. 1967-4-12 48 Riverside 1/4 mi s of Choilz Cactus Park in Joshua Tree National Monument. Comment
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Jan 11 2007
  UCR18543  Fragaria vesca subsp. californica A. C. Sanders 1978-6-11 583 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  SD225090  Frangula californica subsp. tomentella Scott D. White 1996-8-16 4485 Riverside Idyllwild Area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1700 Comment
  SBBG82060  Frankenia salina O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  UCR164889  Frasera parryi T. B. Salvato, John F. Green 2004-5-27 628 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
  POM9990  Frasera parryi H. M. Hall 1901-07 s.n. Riverside In the vicinity of Strawberry Valley. 1585 Comment
  UCR199672  Fraxinus dipetala Scott D. White, Justin M. Wood 2008-5-12 11946 Riverside Beaumont, northeast point of the Beaumont Badlands, north of Mt. Davis 793 Comment
  RSA263771  Fritillaria biflora E. W. Lathrop 1971-3-24 7460 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCD121395  Funastrum cynanchoides var. hartwegii Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 272 Riverside Below Andreas Canyon Club clubhouse; Andreas Canyon. 304 Comment
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Jun 20 2013
  RSA675985  Funastrum hirtellum Scott D. White 2001-4-17 8337 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  RSA696503  Funastrum hirtellum J. R. Bruff 1927-11-26 23 Riverside 10 miles south of 29 Palms Comment
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Nov 19 2011
  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
  CLARK-A1528-3945  Galium angustifolium Charles S. Papp 1964-6-6 507 Riverside Cleveland National Forest 853 Comment
  CAS-BOT-BC223055  Galium angustifolium subsp. gracillimum Carl B. Wolf 1932-5-24 3648 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below Fish Hatchery 548 Comment
  UC1329873  Galium angustifolium subsp. gracillimum James E. Cole 1941-5-29 818 Riverside end of Stubby Spring Road Joshua Tree National Monument 1432 Comment
  UC1929480  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Peninsular Ranges; San Jacinto Mountains region; Slope above junction of Dark Canyon and Fuller Mill Creek. Comment
  UC1979678  Galium aparine Darin L. Banks, Steve Boyd 1995-3-16 105 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. Comment
  UCR147258  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1280 b Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCR147594  Galium californicum subsp. primum Naomi Fraga, S. DeGroot 2004-7-7 1296 Riverside Peninsular Ranges; San Jacinto Mountains region, Along Chimeny Flats Road (5S06) near intersection with FS Road 5S24, on the way to Alvin Meadows 1418 Comment
  JOTR33926  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2817 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UCR187499  Galium porrigens Theresa Johnson 2006-5-11 106 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  UC666515  Galium stellatum var. eremicum Annie M. Alexander and Louise Kellogg 1941-5-18 2200 Riverside n slope Colorado Desert, Eagle Mountains 1066 Comment
  UCR208931  Garrya flavescens Larry E. DeBuhr 1972-3-24 530 Riverside Peninsular Ranges; San Jacinto Mountains region, Santa Rosa Mountains, San Bernardino National Forest, along forest road 7S02 2195 Comment
  RSA1523  Garrya veatchii B. D. Stark 1930-3-18 1490 Riverside Mt. San Jacinto Comment
  UCR199714  Gaura sinuata Scott D. White, Justin Wood 2008-6-26 12292 Riverside Perris Basin, I-215 freeway just north of San Jacinto River crossing 431 Comment
  POM259112  Gayophytum diffusum subsp. parviflorum P. A. Munz 1938-8-14 15361 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  UCR225187  Gazania linearis Steve Boyd, Susan Jett 2008-3-20 11833 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  CDA4079  Genista monosperma A. Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region.; Orangecrest area of southeast Riverside, 17120 Cole Ave. Comment
  CDA5433  Geraea canescens T. C. Fuller 1961-1-1 5495 Riverside Frontage road, Thousand Palms. 0 Comment
  POM358675  Geraea canescens N. C. Cooper 1949-4-9 3241 Riverside Mecca Pass E of Indio. 549 Comment
  RSA160581  Geraea canescens P. C. Everett, Nick Lolonis 1963-5-3 24490 Riverside Hildalgo & Ramirez Street, la Quinta, W edge Colorado Desert. 61 Comment
  RSA27446  Geraea canescens I. L. Wiggins 1941-3-24 9570 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  SEINET10726149  Geraea canescens David B. Dunn 1946-3-17 Dunn 2084 Riverside From dry south-facing wall or slope o canyon 200 yards south of main Palm group. Indio Hills. Comment
  SD260997  Gilia Andrew C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35597 Riverside Peninsular Range: San Jacinto Mtns; Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring (Idyllwild 7.5'Q) 1500 Comment
  UCR157429  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 183 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  SD119885  Gilia achilleifolia Louis B. Ziegler 1972-6-5 474 Riverside San Jacinito Mountains. In a Canyon at the lower end of Poppet Flats. In full sun and semi shade. 1067 Comment
  RSA495817  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2927 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR108495  Gilia angelensis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16229 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
  UCR225729  Gilia angelensis A. C. Sanders, T. B. Salvato 2011-3-30 38898 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR249826  Gilia angelensis T. B. Salvato, John Lovio 2013-3-19 7364 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR52586  Gilia australis Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243, 1-2 mi below Mt. Edna turnoff Comment
  UC310671  Gilia capitata subsp. abrotanifolia Philip A. Munz 1926-5-2 10425 Riverside about 5 mi nw Dripping Springs; nw of Dripping Springs Comment
  HSC16999  Gilia caruifolia R. A. Eagle 1964-3-28 4 Riverside 3 mi. out of Banning on Hwy. 395 Comment
  JEPS69629  Gilia latifolia W. L. Jepson 1927-4-12 11643 Riverside n Mecca ((Mecca Hills), Painted Canyon); Colorado Desert, Painted Canyon, n of Mecca (Mecca Hills) 76 Comment
  UC23661  Gilia ochroleuca subsp. exilis H. M. Hall Jun, 1901 2060 Riverside exposed s slopes in the vicinity Chalk Hill; San Jacinto Mountains, vicinity Chalk Hill 1524 Comment
  UCR44192  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  RSA0019473  Gilia scopulorum J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24391 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps 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, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  SD233900  Gilia scopulorum A. C. Sanders, E. J. Lawlor 1992-4-4 12145 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring; alluvial slopes below and to the south, and canyon bottom above the spring. 244 Comment
  POM13576  Gilia stellata P. A. Munz, D. D. Keck 1922-4-9 4871 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  SBBG87691  Gilia stellata S. Boyd with S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2111 Riverside N end of Palen Mtns, 2 mi W of Palen Pass, mid-bajada 300 Comment
  UCR169781  Gilia stellata Scott D. White, Jennifer H. Jones 2005-5-24 11106 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR279342  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-23 42947 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  UCR193739  Githopsis diffusa subsp. candida A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35653 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCD66770  Glyceria declinata A. C. Sanders; S. Hawkins 1996-4-24 18088 Riverside San Bernardino Mtns: Morongo Indian Reservation. At SE edge of Burro Flats. 1097 Comment
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May 5 2012
  SEINET260219 Image available Glyceria elata M. Curto, L. Allen 1992-6-15 826 Riverside San Bernardino National Forest ; San Jacinto Mts NW of Pine Cove SBNF Rd 5S09 @ Stone Cr 1370 Comment
  UC69360  Glyceria striata H. M. Hall Jul 1901 2553 Riverside Fuller's Mills Mountains; San Jacinto Mts. 2042 Comment
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Aug 13 2006
  POM17509  Glycyrrhiza lepidota P. A. Munz 1923-6-18 7132 Riverside Temecula Canyon. Comment
  POM358720  Gnaphalium Kessler 1921-9-1 s.n. Riverside Mt. San Jacinto. Comment
  UCR174096  Gnaphalium californicum A. C. Sanders 2006-5-19 32465 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
  JEPS20464  Gnaphalium palustre W. L. Jepson 1903-8-7 2292 Riverside Strawberry Valley San Jacinto Mt., Strawberry Valley 1676 Comment
  UCR20326  Gnaphalium palustre John C. Roos 1952-6-8 5742 Riverside canyon 4 mi NW of Moreno 640 Comment
  UCR34921  Gnaphalium palustre L. B. Ziegler 1967-8-2 204 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  UCR252000  Gnaphalium stramineum A. C. Sanders, T. B. Salvato 2014-7-2 41172 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA430051  Guillenia lasiophylla E. C. Jaeger 1920-03 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC304633  Gutierrezia californica W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon [Canyon], below Warm Springs Comment
  CAS-BOT-BC304639  Gutierrezia californica J. C. Roos 1965-6-21 s.n. Riverside The hills 2 miles south of Beaumont Comment
  HSC5732  Gutierrezia californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23084 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  RSA289828  Gutierrezia californica B. A. Prigge 1980-8-25 4018 Riverside Colorado Desert, Coachella Valley, 1 mile E of Palm Springs Station 341 Comment
  UCR199652  Gutierrezia californica Justin M. Wood 2008-7-16 26 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  RSA648085  Gutierrezia californica var. bracteata J. C. Roos 1940-9-2 222 Riverside New Jackrabbit trail. 3 or 4 mi. W of Beaumont. Comment
  CHSC84681  Gutierrezia microcephala John Dittes 2002-1-4 2 46 C Riverside Mojave Desert; Pinto Mountains, ca. 10 air-miles south of Twentynine Palms, 0.3 mile south of White Tank Campground. 1173 Comment
  CAS-BOT-BC302142  Gutierrezia sarothrae Meredith A. Lane 1982-10-13 3026 Riverside 19.3 KM (12 mi) E of Kern Camp Summit on California State Highway 74 in the San Jacinto Mountains at Hurkey Creek Picnic Area 1341 Comment
  CLARK-A1528-235  Haplopappus squarrosus subsp. grindelioides C. M. Flanagan 1973-6-13 OO 703 Riverside Morongo Indian Reservation 975 Comment
  SEINET3859876  Haplopappus venetus A. C. Sanders, Donald L. Sanders 2010-11-28 38695 Riverside Peninsular Range; NW Gavilan Hills: Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave.; 0 232 Comment
  CAS-BOT-BC231101  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Gavilan Plateau, Gavilan Hills: S end of Harford Springs county Park 640 Comment
  HSC93287  Harpagonella palmeri Karen Kirtland 1993-4-17 Riverside N of Temecula Comment
  RSA0066603  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park, at south end of park. 609 Comment
  RSA717575  Helianthemum scoparium var. scoparium A. C. Sanders, Mike Misenhelter 2005-3-23 29272 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA788961  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49536 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  UCR121094  Helianthus gracilentus A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24963 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR34977  Helianthus gracilentus L. B. Ziegler 1968-6-25 321 Riverside San Jacinto Mtns., In Morris Ranch area above valley 1616 Comment
  UCR150021  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  POM8438  Heliotropium curassavicum var. oculatum P. A. Munz, R. D. Harwood 1920-3-20 3377 Riverside Lake Elsinore 396 Comment
  RSA512159  Heliotropium curassavicum var. oculatum Ed LaRue 1989-5-9 s.n. Riverside North side of Temescal Wash, N of frontage rd. along Hwy 71, ca. 1/2 mile (airline) NW of Alberhill. 396 Comment
  UCR235054  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-5-27 40200 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, near SW corner of Valley Substation (on Menifee Rd.), just off Case Rd. 445 Comment
  RSA678262  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1063 -b Riverside Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  UCR165187  Hemizonia mohavensis Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Range; San Jacinto Mtns., 0.5 mi SE of Twin Pines Ranch, near unnamed tributary of Azalea Creek 1059 Comment
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Jan 5 2009
  POM360325  Hemizonia paniculata Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  RSA883  Hemizonia paniculata J. T. Howell 1928-6-9 1077 Riverside Temecula. 305 Comment
  UCR121167  Hemizonia paniculata D. E. Bramlet 1989-6-13 1922 Riverside Domenigoni Valley, 3,000 ft. east of the MWD canal and 500 ft. south of Newport Road. 458 Comment
  UCR181160  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2005-8-28 05- 648 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  UCR267434  Hemizonia pungens subsp. laevis D. E. Bramlet 2005-7-27 3908 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west of Hemet, canal alignment, north of Devonshire Ave., west of Warren Rd. 460 Comment
  UCR68036  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-5-19 1875 Riverside Perris-Aguanga Basin region, Domengoni-Diamond Valley, c. 100 m SE of intersection of Newport Rd. and Los Hermanos Rd. [site now under water of Diamond Valley Reservoir] 518 Comment
  UCR90603  Hemizonia pungens subsp. laevis Scott D. White 1995-6-29 3395 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  JOTR30115  Hesperocallis undulata La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1682 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  RSA377066  Hesperocallis undulata W. Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  UCR155166  Hesperocnide tenella A. C. Sanders 2005-5-4 29851 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  RSA0072391  Heteromeles arbutifolia E. W. Lathrop 1965-12-9 6039 Riverside 5 miles southwest of Murrieta on the De Luz truck trail. 457 Comment
  SD136915  Heterotheca grandiflora Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7675 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. Comment
  RSA339244  Heterotheca horrida subsp. cinerascens R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53595 Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  UCR193883  Heterotheca sessiliflora A. C. Sanders 2008-7-25 35894 Riverside Peninsular Range; San Jacinto Mtns., May Valley, Bonita Vista Rd. near May Valley Rd. 1547 Comment
  UCR23734  Heterotheca sessiliflora subsp. echioides John C. Roos 1937-8-19 2499 Riverside San Jacinto Mtns, Idyllwild Comment
  SD3007  Hibiscus denudatus Fidella g. Woodcock 1928-4-27 Riverside Road to Andreas Canyon. Comment
  UCR282317  Hilaria rigida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 803 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 396 Comment
  SEINET10933655  Hilaria rigida David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2871 Riverside Pushawalla Canyon, Indio Hills. On dry plateau. Channel 1/2 mi NW. Comment
  UCR108365  Hippuris vulgaris L. C. Wheeler 1961-6-24 7905 Riverside San Jacinto Mountains, Fulmor Lake Comment
  RSA502589  Hirschfeldia incana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3725 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  CAS-BOT-BC207506  Hoffmannseggia glauca Lewis S. Rose 1938-2-1 38014 Riverside Palowalla, 30 mi. e. of Desert Center 121 Comment
  SD215519  Hoffmannseggia glauca W. Wisura, J. Dolan and M. Wall 1992-3-25 4646 Riverside Ford Dry Lake north of I-10 at Hopkins Well. Comment
  CAS-BOT-BC206102  Hoffmannseggia microphylla D. A. Johansen; J. A. Ewan 1932-4-12 7105 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  CSUSB1228  Hoffmannseggia microphylla Rodney Hendrick 1965-3-14 Riverside In sandy area, dry wash, Box Canyon about 8 miles east of Mecca 182-274 Comment
  LA45810  Hoffmannseggia microphylla A. M. Johnson; 1928-5-5 365 Riverside Painted Canyon, Colorado Desert Comment
  NY1116474  Hordeum D. K. Christopher 2003-4-6 105 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA654572  Hordeum brachyantherum Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. [county not specified] 610 Comment
Read comments
May 20 2012
  POM263178  Hordeum brachyantherum subsp. californicum J. C. Roos 1937-5-10 429 Riverside Lake Elsinore. Comment
  POM14417  Hordeum depressum P. A. Munz, I. M. Johnston 1922-5-18 5322 Riverside 3 miles south of Glen Ivy [now Glen Ivy Hot Springs]. Comment
  JOTR35205  Hordeum murinum subsp. glaucum Harding, Mitzi, Tasya Herskovitz 2011-4-28 182 Riverside Joshua Tree National Park. Barker Dam, approx. 200m from trail head 1304 Comment
  CAS-BOT-BC148562  Horkelia clevelandii Ralph Hoffmann 1929-9-7 s.n. Riverside Meadow, San Jacinto Mt. 1645 Comment
  CAS-BOT-BC148570  Horkelia clevelandii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  UC555295  Horkelia cuneata subsp. puberula H. L. Mason 1926-5-2 3206 Riverside Temecula Valley Comment
  SD229151  Hosackia crassifolia var. crassifolia Dick Schwenkmeyer 2012-6-27 758 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  CAS-BOT-BC312596  Hulsea vestita subsp. callicarpha D. E. Breedlove 1961-8-4 936 Riverside Along Riverside Highway 1 at Junction with road to Black Mountain Campground; San Jacinto Mountains 1676 Comment
  RSA5897  Hulsea vestita subsp. callicarpha C. B. Wolf 1932-8-5 3970 Riverside Along Trail from Tahquitz Valley to San Jacinto Peak, above the small stream and wet meadow feeding Tahquitz Creek. 2895 Comment
  SDSU1684  Hulsea vestita subsp. callicarpha D. F. Howe 1941-6-8 1281 Riverside San Jacinto Mts. 1524 Comment
  UCR34975  Hulsea vestita subsp. callicarpha L. B. Ziegler 1967-5-31 142 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  UCR109737  Hydrocotyle ranunculoides R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR92447  Hydrocotyle ranunculoides A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18113 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA561119  Hydrocotyle umbellata Steve Boyd, Tim Ross, David E. Bramlet 1993-5-12 7317 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UCR101570  Hymenoclea salsola Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  JOTR32486  Hymenoxys cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2473 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  UC667320  Hymenoxys cooperi Annie M. Alexander and Louise Kellogg 1941-5-4 2116 Riverside sandy flat near edge reservoir; Joshua Tree National Monument, Barker Dam 1325 Comment
  SD187352  Hypochaeris glabra Scott D. White, Angelia Carey 2004-4-16 10187 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  CAS-BOT-BC219751  Hyptis emoryi W. R. Dudley 1903-12-28 s.n. Riverside Near Palm Springs Comment
  NY43320  Hyptis emoryi C. R. Annable 1995-3-12 2275 Riverside Box Canyon Wash, Hwy 195 Comment
  RSA420157  Hyptis emoryi Christopher Davidson 1973-4-1 1835 Riverside Palm Springs. 488 Comment
  UC987821  Hyptis emoryi Reid Moran 1941-5-5 854 Riverside Eagle Mountains Cottonwood Pass; , Cottonwood Pass Comment
  UCSB44874  Hyptis emoryi Collins, Elizabeth 1977-3-29 Riverside East of N. Palm Springs, 2.5 miles up Thousand Palms Cyn. Rd. from Dillion Rd 91 Comment
  CDA5549  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside South of Avenue 60, 0.2 mile east of Jackson Street, ca. 6 miles south of Indio. 0 Comment
  RSA487823  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of its junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  RSA125959  Isocoma acradenia var. eremophila E. K. Balls, P. C. Everett 1957-11-5 22759 Riverside Beside Salton Sea, Hwy 111, 5.1 miles NW County line -70 Comment
  RSA772331  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4511 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0117148  Isocoma menziesii Mitchell Provance 2012-9-13 912 -05 Riverside Badlands of Western Riverside County: Mt. Davis, +/- 1.5 miles SW of Beaumont, vicinity of the microtower on David Mountain Rd. 845 Comment
  UCR260540  Isocoma menziesii var. vernonioides T. B. Salvato 2014-5-29 8051 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA357000  Isoetes howellii R. F. Thorne 1973-5-23 43875 Riverside Santa Rosa Plateau- Mesa de Colorado: stream N of mesa. Santa Ana Mountains 609 Comment
  JEPS108704  Isomeris arborea C. Spurrier, M. J. Way 2001-6-6 3 Riverside Big Morongo Canyon Preserve, 2.3 km n of water company entrance on Kickapoo Trail 515 Comment
  RSA0039452  Juglans A. C. Sanders, Timothy W. Chumley 2013-4-2 40732 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  UCR132830  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11130 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  CAS-BOT-BC110064  Juncus acutus W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon [Canyon] below warm springs. Comment
  PASA628  Juncus bufonius Frank W. Peirson 1922-4-29 Riverside South side Lake Elsinore Comment
  RSA0013145  Juncus bufonius var. bufonius LeRoy Gross, Caitlin Elam 2013-5-14 6071 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
  RSA234012  Juncus bufonius var. occidentalis Robert F. Thorne, E. W. Lathrop 1969-5-12 37927 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  RSA500561  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3597 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA17254  Juncus macrophyllus Carl B. Wolf 1936-6-17 7959 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  RSA69660  Juncus macrophyllus F. W. Peirson 1924-7-28 5011 Riverside Pine Flats Camp 1799 Comment
  UC1931127  Juncus macrophyllus Scott D. White, Justin Wood 2008-6-18 12248 Riverside San Jacinto mountains; Meadow N/ W of Keen Camp Summit, S/W of highway 79. (Idyllwild). Comment
  RSA0097956  Juncus mexicanus Duncan S. Bell 2014-11-14 7717 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA0048652  Juncus mexicanus D. M. McFadden 1954-7-1 s.n. Riverside Garner Ranch. San Jacinto Mt. [county not specified] 1463 Comment
  UC1601830  Juncus oxymeris H. M. Hall 1897-8-12 837 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  CHSC89823  Juncus textilis L. P. Janeway 2004-5-8 8062 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; between Tenaja Trail and the creek, 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. Flattish bench above and away from the creek. 387 Comment
  UCR174256  Juncus textilis A. C. Sanders, T. B. Salvato 2006-6-2 33076 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
  UCR37449  Juncus textilis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  CAS-BOT-BC85410  Juniperus californica Lewis S. Rose 1936-12-24 36810 Riverside San Jacinto Mts., palms to Pines Highway, 24 mi. SW. of Indio 1066 Comment
  JEPS48239  Juniperus californica W. L. Jepson 1928-4-25 12583 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
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Oct 9 2010
  RSA500188  Juniperus californica Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3203 Riverside Vail Lake Area, W end of bench on S flank of Oak Mtn. 518 Comment
  CAS-BOT-BC234593  Justicia californica Reid Moran 1941-5-5 855 Riverside Cottonwood Pass, Eagle Mts. Comment
  CAS-BOT-BC234599  Justicia californica B. D. Stark 1932-6-17 3753 Riverside Colorado Desert. Eagle Mts., East end of Box Canyon 182 Comment
  LA202783  Justicia californica Carl Epling; 1927-3-27 sn Riverside Palm Springs Comment
  RSA402295  Justicia californica H. M. Hall 1902-04 2767 Riverside Coyote Canyon 183 Comment
  RSA402302  Justicia californica A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  UC869489  Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi. below Cottonwood Springs Comment
  UCR29942A  Justicia californica Melissa Luckow, Rhonda Riggins 1982-4-14 815 Riverside Sonoran (Colorado) Desert, Pinto Basin Road [Cottonwood Springs Road], 2.3 mi southeast of Cottonwood Visitor Center, 4.4 mi north of junction with Hwy I-10 793 Comment
  RSA793268  Kallstroemia californica Aaron C. Sedgwick, Cody Leslie 2012-9-20 125 Riverside South of Essex in Rice Valley - Take Rice/Blythe Rd. ~3 miles south and turn left on unmarked road. The wash is on the northern side of the unmarked road ~3 miles east. 235 Comment
  RSA793567  Kallstroemia californica Duncan S. Bell 2012-9-13 4191 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  CAS-BOT-BC235495  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2000-5-25 23430 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  HSC21064  Keckiella antirrhinoides D. W. Snell 1964-3-26 20 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  RSA528028  Keckiella antirrhinoides R. Montijo 1991-4-18 91 -4 Riverside South of Lake Mathews, Ona Knoll Road ca. 1 mi. S of Cajalco Rd. 640 Comment
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Nov 20 2010
  UCR140706  Keckiella antirrhinoides A. C. Sanders 2004-5-12 27863 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  CAS-BOT-BC235773  Keckiella cordifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  RSA160543  Keckiella rothrockii subsp. jacintensis J. D. Olmsted 1959-7-1 704 Riverside 1/4 mi. N of trunoff to Strawberry Cienega along trail from saddle to San Jacinto Park.; 4 mi ENE of Idyllwild; San Jacinto Mtn. Range. 2744 Comment
  UCR193750  Keckiella ternata A. C. Sanders, Mitch Provance 2008-7-11 35753 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  POM263183  Koeleria macrantha J. C. Roos 1937-5-10 457 Riverside South of Lake Elsinore Comment
  UC38717  Koeleria macrantha H. M. Hall 1901-6 2376 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1584 Comment
  HSC82716  Krameria bicolor R. F. Thorne, C. W. Tilforth 1980-5-28 54163 Riverside San Bernardino Mtns., E side of Whitewater River at mouth of canyon 1/4-1/2 mi. E of Whitewater Post Office Comment
  JOTR34022  Krameria bicolor La Doux, Tasha, M. Harding 2010-4-7 2909 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  SBBG24914  Krameria bicolor D. Myrick 1966-4-1 1348 Riverside adjoining Linda Vista Lodge, Desert Hot Springs Comment
  RSA697950  Krameria canescens J. R. Bruff 1928-4-1 81 Riverside Whitewater Comment
  RSA3960  Krameria erecta Carl B. Wolf 1932-4-29 3098 Riverside mesas at Western edge of Maria Mts., eastern Colorado Desert, 20 mi. from Blythe on Rice road. 152 Comment
  CLARK-A1656-653  Krameria grayi Lois Ann Scott 1978-4-21 Riverside San Jacinto Mountains 152 Comment
  RSA795811  Krameria grayi C. P. Cowan 1978-4-23 1170 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  RSA192095  Lactuca serriola H. A. Zuill 1966-7-26 300 Riverside About 7.5 miles SW of Murrieta. Comment
  RSA510312  Lactuca serriola Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UC1929907  Lactuca serriola Scott D. White, Angelia Carey 2004-7-2 10572 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UC1595558  Lamarckia aurea Steve Boyd, Orlando Mistretta 1991-5-22 6314 Riverside e of Dorland Mountain (w of Kolb Creek, base of Agua Tibia Mountain, Vail Lake Area); Vail Lake Area, Agua Tibia Mountain 548 Comment
  UCD63325  Lamarckia aurea H. M. Reed 1914-4-23 Riverside Box Springs Mts., arroyo to w., near Sanitarium. Comment
  RSA198982  Lamarckia aurea R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37584 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  SEINET10598982  Lamarckia aurea Charles L. Hitchcock, C. V. Muhlick 1962-3-16 Hitchcock 22152 Riverside Temescal Canyon, ca. 12 miles SE of Corona, on sandy soil, growing with other rank annuals. Comment
  UCR4145  Lamium amplexicaule Ronald M. Cope 1965-2-15 s.n. Riverside Riverside, valley 0.5 mi. west of where Gage Canal goes underground after having crossed Le Conte Drive. 259 Comment
  CDA37813  Laportea aestuans Mike Lahti 2012-6-14 PDR# 1590446 Riverside Romoland; Hilsabecks Greenhouse, 28415 Moreland Rd., near Palomar Rd. 0 Comment
  CAS-BOT-BC205629  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  HSC47363  Larrea tridentata R. W. Spjut, C. E. Edson 1978-5-6 5027 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center. 335 Comment
  UCR261451  Larrea tridentata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41448 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCSB9623  Larrea tridentata Van Leeuwen, Henry 1957-4-12 Riverside Whitewater Canyon, 1 mi from US 101 Comment
  CAS-BOT-BC412766  Lastarriaea coriacea A. C. Sanders; T. B. Salvato 2000-5-25 23406 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 488 Comment
  CAS-BOT-BC338916  Lasthenia californica A. C. Sanders; S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  CAS-BOT-BC338932  Lasthenia californica John Thomas Howell 1930-5-10 4778 Riverside March Field Comment
  UC55102  Lasthenia coronaria H. M. Hall 1903-4-1 3787 Riverside vicinity of Riverside 396 Comment
  UCR102832  Lasthenia coronaria A. C. Sanders 1997-4-3 20148 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR137700  Lasthenia coronaria D. L. Banks, V. W. Steinmann 1997-3-13 1514 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
  UCR142209  Lasthenia coronaria June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR143140  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, c. 275-335m SE of Nichols Road, 91m west of Collier Ave. and 196-305 m west of the I-5, east of the dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  UCR252807  Lasthenia glabrata subsp. coulteri Ana Hernandez, Rose Cook 2013-4-12 043 Riverside Perris Aguanga Basin, 290 meters south of Highway 79, 760 meters west of Warren Road, Upper Salt Creek, Hemet 457 Comment
  POM13000  Lasthenia gracilis P. A. Munz, I. M. Johnston 1922-5-19 5420 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA660556  Lasthenia gracilis Lydia Paneri 1982-4-17 14 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA716421  Lasthenia gracilis Scott D. White 2006-4-27 11307 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR91595  Lasthenia gracilis D. L. Banks, Steve Boyd 1995-3-16 87 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of the Dripping Springs Alcove, Arroyo Seco drainage. 555 Comment
  UCR265832  Lathyrus vestitus Mitch Provance 2012-5-24 512- 14 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  POM10364  Lathyrus vestitus subsp. laetiflorus Charlotte M. Wilder 1904-5-13 76 Riverside North side of Jurupa Hills Comment
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Sep 3 2011
  POM361744  Layia H. M. Hall 1897-4-3 442 .5 Riverside Winchester. Comment
  CAS-BOT-BC320799  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside Vicinity of Riverside. Fairmount Park 243 Comment
  CLARK-A1528-1982  Layia platyglossa John C. Roos 1947-3-21 3364 Riverside Reche Canyon Comment
  RSA741421  Layia platyglossa Justin M. Wood 2008-12-2 258 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  SEINET7063418  Layia platyglossa A. G. Vestal 1947-3-29 s.n. Riverside About 6.4 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481530mE, 3727251mN. (WGS84/NAD83). 434 Comment
  UC1463881  Layia platyglossa Jeanine Derby 1976-5-18 Riverside across Highway 74 from Lake Hemet Store (n side Highway 74); San Jacinto Mts. 1981 Comment
  UCR241409  Layia platyglossa T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7443 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA741224  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11985 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR48498  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estelle Mtn. Head of large canyon draining the SE side of Estelle Mtn. Comment
  RSA653238  Lemna valdiviana Mitch Provance, A. C. Sanders 2000-7-4 2098 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCR41785  Lepidium chalepense Michele Tracy 1986-4-15 s.n. Riverside Perris-Aguanga Basin, near Hemet 549 Comment
  CAS-BOT-BC88947  Lepidium dictyotum Steve Boyd 1986-4-2 1623 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. In southeast corner of park. 640 Comment
  UCR182527  Lepidium dictyotum var. acutidens Mitch Provance 2005-5-17 6572 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
  POM93924  Lepidium fremontii Marcus E. Jones 1926-2-16 16 Riverside Near Shaver s Well, near Mecca, Colorado Desert. Comment
  SEINET10449087  Lepidium lasiocarpum var. lasiocarpum Noel H. Holmgren 1973-3-21 Holmgren 6435 Riverside Big maria mountains. 12 Mi. N. Of downtown blythe. T4s, r22e, sec. 35. Locally common in sandy wash. 290 Comment
  CAS-BOT-BC60097  Lepidium virginicum var. menziesii Munz; Harwood 1920-3-20 3399 Riverside 5 miles south of Corona. 304 Comment
  CAS-BOT-BC60108  Lepidium virginicum var. menziesii Geo. T. York 1936-7-30 s.n. Riverside Chino. Comment
  RSA525337  Lepidium virginicum var. robinsonii Steve Boyd, Dave Bramlet 1990-4-29 4467 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA576089  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, narrows in central Dawson Canyon. 488 Comment
  RSA3329  Lepidospartum squamatum C. B. Wolf 1931-10-14 2452 Riverside Whitewater Wash, 1/2 mile above the bridge on the Banning to Indio Road 366 Comment
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Sep 23 2011
  UC527693  Lepidospartum squamatum C. B. Wolf 1931-10-14 2462 -A Riverside roadside at Cabezon; San Gregorio Pass 518 Comment
  UCR93089  Lepidospartum squamatum Scott D. White 1995-12-24 3799 Riverside Lakeview Mtns., c. 5 road mi SE of Davis Road/Ramona Expressway intersection. 610 Comment
  UC23804  Leptodactylon pungens H. M. Hall 1901-6 2597 Riverside near Tahquitz; San Jacinto Mountains, near Tauquitz 2529 Comment
  SBBG25243  Leptosiphon chrysanthus subsp. chrysanthus Leota Davidson 1965-5-15 154 Riverside Joshua Tree Nat Monument Comment
  POM46975  Leptosiphon lemmonii Mary F. Spencer 1919-6-21 1208 Riverside In open woods. 1616 Comment
  RSA365944  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
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Apr 7 2011
  RSA701250  Leptosiphon liniflorus Naomi Fraga, Sarah J. De Groot 2004-7-7 1295 Riverside Along Chimeny Flats Road (5S06). 1372 Comment
  UC990719  Lesquerella tenella Roxana S. Ferris 1953-3-13 12607 Riverside road along Coachella Canal e Bat Caves Buttes (near Imperial County Line); along Coachella Canal, e of Bat Caves Buttes Comment
  RSA520551  Lessingia glandulifera var. glandulifera Steve Boyd, D. Bramlet 1988-10-8 2884 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  SD5322  Lessingia glandulifera var. glandulifera F. Youngberg 1933-8-28 Riverside Idylwild Pines San Jacinto Mountains. Comment
  UCR106905  Lessingia glandulifera var. glandulifera D. L. Banks, L. Raz 1996-11-5 1176 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
  UCR120540  Lessingia glandulifera var. glandulifera D. E. Bramlet 2000-8-30 3076 A Riverside Perris-Aguanga Basin region, Shipley Reserve, ephemeral drainage 213 m south of Auld Valley Creek and 915 m east of Bachelor Mtn. access road 451 Comment
  RSA781835  Leymus condensatus Michael Wall 2011-8-5 611 Riverside Along Bautista Canyon Rd., confluence of unnamed canyon ca. 1.5 miles SE of jct. with Fairview Ave. 629 Comment
  RSA596150  Lilium humboldtii subsp. ocellatum Darin L. Banks 1996-11-7 1187 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation., Approximately 200 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 457 Comment
  SEINET10839632  Lilium parryi John G. Lemmon 1879-1 Riverside Comment
  UC1531098  Limnanthes gracilis subsp. parishii Tom Griggs and Earl Lathrop 1985-3-3 2 Riverside 1/4 mi below (e) vernal pool C3 (4 mi w of Murrieta); Santa Rosa Plateau, Preserve, Mesa de Colorado Comment
  RSA0080316  Linanthus bigelovii Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7361 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  SD119887  Linanthus californicus Louis B. Ziegler 1967-4-18 116 Riverside Foothills of San Jacinto Mountains, on Poppet Flat Road. 914 Comment
  UCR225191  Linanthus californicus Steve Boyd, Susan Jett 2008-3-20 11829 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCSB5149  Linanthus californicus Kamb, Peter 1947-3-3 Riverside Banning-IdyllwiId road below Barton Lookout, San Jacinto Mts. 914 Comment
  POM9011  Linanthus californicus P. A. Munz, R. D. Harwood 1920-3-20 3394 Riverside Glenn Ivy 335 Comment
  LA211892  Linanthus ciliatus L. Gross; Duncan Bell 2013-4-30 6029 Riverside SAN JACINTO MOUNTAINS, Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, S to Strawberry Creek. 1510.0 Comment
  UCR1067  Linanthus dianthiflorus J. E. Dimitman 1957-3-23 s.n. Riverside Santa Ana Mtns., road (Guava St.?) to Vail Ranch, [4 mi. south]west of Murrieta 457 Comment
  RSA543171  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, Mike Hammitt, T. S. Ross 1991-5-2 6081 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA73087  Linanthus dianthiflorus subsp. dianthiflorus F. W. Peirson 1922-5-20 4471 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  JEPS58386  Linanthus dichotomus W. L. Jepson May 17 1901-Jun 1 1901 1463 a Riverside Van Deventer's Ranch Van Deventer Flat Comment
  UCR98084  Linaria canadensis A. C. Sanders, G. Helmkamp 1997-3-15 19942 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  SBBG87907  Linaria maroccana B. Pitzer 1986-2-22 17 Riverside Whitewater Cyn, at Fish Hatchery Comment
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Jan 14 2010
  UCR240778B  Lithophragma bolanderi Tom Chester 2005-4-15 574 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side, 0.14 miles (0.22 km) above northeastmost bend in Via Tornado at bottom of Gorge 271.3 Comment
  RSA512130  Lobularia maritima Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  UCR162547  Lobularia maritima S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR213617  Loeflingia squarrosa A. C. Sanders, Matthew Malle 2010-4-23 38011 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UC465549  Loeflingia squarrosa var. squarrosa Fred M. Reed 1907-6-9 1394 Riverside Ba<?> Ranch Riverside (Sec. 30) Comment
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Jul 30 2006
  JOTR35278  Loeseliastrum matthewsii Andre, Jim 2012-4-16 20977 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  RSA775723  Loeseliastrum matthewsii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 958 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  RSA781796  Loeseliastrum matthewsii Duncan S. Bell 2010-5-1 883 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  SBBG81479  Loeseliastrum matthewsii S. A. Junak 1983-3-23 1624 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UC1714468  Loeseliastrum schottii E. E. Schellenger 1906-4-3 14 Riverside Colorado Desert, Santa <Marie> Mts. Comment
  UC68770  Loeseliastrum schottii H. M. Hall Apr., 1905 5929 Riverside Colorado Desert, McCoy Wash 91 Comment
  UCR243127  Logfia gallica Kate Kramer 2012-5-8 258 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  RSA612609  Lolium perenne subsp. multiflorum D. L. Banks, Victor Steinmann 1997-3-13 1494 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
  UCR230195  Lolium perenne subsp. perenne A. C. Sanders, T. B. Salvato 2011-4-29 39358 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  SEINET8465371 Image available Lomatium dasycarpum Scott D. White, Michael Honer 2003-4-9 8980 Riverside Perris-Aguanga Basin; Gavilan Hills, c. 1 mi N of the I-15 Fwy and 1 mi east of the Lake Street exit, on and around unnamed peak '2349 549 Comment
  UCR63510  Lomatium lucidum Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  UCR95946  Lonicera subspicata Scott D. White 1996-8-1 4439 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  UCSB26906  Lonicera subspicata var. denudata Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mountains Comment
  SEINET4604437 Image available Lophocereus schottii Marc A. Baker, Michelle Cloud-Hughes, Tim Thomas, and Alice Karl 2013-9-26 17802 Riverside Chuckwalla Mountains, south side of Corn Springs Wash, 600m ESE of Corn Spring, 12.2 km SE of Desert Center, 70km west of Blythe 480 Comment
  UC1506120  Lotus argyraeus R. T. Clausen 1963-4-23 63063 Riverside ridge s Red Mt.; Transverse Ranges Comment
  IRVC26259  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 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
  RSA192130  Lotus hamatus E. W. Lathrop 1966-4-13 6148 Riverside De Luz Road between Murrieta and De Luz Comment
  SEINET7048200  Lotus hamatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33710 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  POM2646  Lotus heermannii P. A. Munz 1918-4-7 2124 Riverside Temescal Canyon Comment
  POM307257  Lotus nevadensis var. nevadensis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2129 Riverside Santa Rosa Mountains. Comment
  UC864798  Lotus nevadensis var. nevadensis Carl B. Wolf 1932-8-4 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  RSA627510  Lotus oblongifolius Scott D. White 1998-7-31 6953 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  UCR135983  Lotus purshianus A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27905 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  JEPS55814  Lotus rigidus W. L. Jepson 12573 Riverside Cottonwood Springs Cottonwood Mts. 731 Comment
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Oct 9 2010
  SEINET3133950  Lotus rigidus S. B. Parish 1907-4-22 6147 Riverside W border of Colorado Desert 200 Comment
  UC1922410  Lotus salsuginosus Naomi Fraga, Lisa Rojas 2005-2-10 1364 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  CDA27315  Lotus salsuginosus var. brevivexillus T. C. Fuller 1963-4-23 10274 a Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  UCR182501  Lotus scoparius subsp. brevialatus Andrea Salzman, Ricky Escobar, et al 2006-4-10 45 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  UCR250883  Lotus scoparius subsp. brevialatus S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1052 Riverside Lakeview Mountains, along powerline access road 0.22 mi. NE (25 deg. ) of intersection of Contour Ave. & Truffaut Dr. 613 Comment
  RSA776227  Lotus scoparius var. brevialatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 877 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  UCR91475  Lotus scoparius var. brevialatus Scott D. White, M. Jacobsmeyer 1996-4-20 3958 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  CLARK-A1528-489  Lotus strigosus C. M. Flanagan 1973-4-26 OO 303 Riverside Morongo Indian Reservation 914 Comment
  RSA339350  Lotus strigosus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54052 Riverside San Bernardino Mts: Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  RSA778230  Lotus strigosus Duncan S. Bell 2009-3-8 35 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR103169  Lotus strigosus Scott D. White, Julie Greene 1997-3-12 4780 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR1136  Lotus strigosus Frank C. Vasek 1958-4-26 580426- 30 Riverside Peninsular Range, U.S. Hwy 395, 3.9 mi south of junction with State Hwy 74 [Menifee Valley, near Newport Rd.] 434 Comment
  UCR158505  Lotus strigosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30038 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
  UCR214326  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38386 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
  UCR42356  Lotus strigosus var. hirtellus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 189 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  SEINET7097942  Lotus wrangelianus A. G. Vestal 1937-3-21 s.n. Riverside Near Garnet. UTM Zone 11, 542095 mE, 3751177 mN. Lat. 33 54' 07ao N, Long. -116 32' 41ao NAD 27 (Converted to WGS84 decimal degrees) Comment
  SD185227  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside Morongo Indian Reservation along road in Hathaway Creek Canyon, north of Banning. 793 Comment
  UCR178966  Lupinus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 399 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  RSA0043329  Lupinus John F. Emmel 1991-5-18 1172 Riverside Hemet; near intersection of Hemet Street and Thornton Avenue. 536 Comment
  POM349956  Lupinus arizonicus M. B. Dunkle 1933-3-4 3037 Riverside Painted Canyon, Colorado Desert. 30 Comment
  POM349976  Lupinus arizonicus M. B. Dunkle 1937-3-25 4959 Riverside Dry Morongo. Comment
  UC1129709  Lupinus arizonicus H. S. Yates 1937-3-23 6420 Riverside 5 mi nw Edom; Thermal Quad., nw of Edom Comment
  UCR279511  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-27 43114 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
  RSA718299  Lupinus arizonicus Michael Honer, L. Hulse 2004-4-2 1880 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  SEINET3101908  Lupinus bicolor Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17378 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  UCR25044  Lupinus bicolor A. C. Sanders 1980-7-18 1684 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  SEINET7040159 Image available Lupinus bicolor subsp. marginatus A. G. Vestal 1962-4-8 Riverside North east of Lake Elsinore (Elsinore) on Rt. 74 at jct with Rt. 71. UTM Zone 11, 538094mE, 3714232mN. Comment
  UC15827  Lupinus concinnus H. M. Hall June, 1901 2067 Riverside s side San Jacinto Mountains (San Jacinto Mountains); s side San Jacinto Mountains 1645 Comment
  UCD84940  Lupinus concinnus Chuck Hughes 2010-3-23 212 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  UCR16231  Lupinus concinnus subsp. optatus C. Bahre 1970-4-30 s.n. Riverside San Jacinto Mtns., North Fork of San Jacinto River 1524 Comment
  RSA496381  Lupinus densiflorus var. lacteus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3058 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA519404  Lupinus elatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  CAS-BOT-BC216684  Lupinus excubitus subsp. hallii Charles Piper Smith 1951-5-22 51239 Riverside 1.5 miles S of summit, Beaumont - Morena Grade (San Gorgonio Drive) Comment
  SEINET6932670 Image available Lupinus formosus W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West end of Long Valley Road, just north of Temecula. Comment
  OBI30168  Lupinus hirsutissimus Iversen 1974-4-27 s.n. Riverside El Cariso Crk Comment
  UCR108399  Lupinus hirsutissimus D. L. Banks, V. W. Steinmann 1997-3-13 1459 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
  UCR224434  Lupinus hyacinthinus Scott D. White, Justin M. Wood 2009-5-22 12902 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA5513  Lupinus latifolius subsp. parishii Carl B. Wolf 1932-8-5 3951 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  UC15767  Lupinus latifolius var. parishii Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UCR132859  Lupinus microcarpus var. densiflorus Kent Beaman 1983-4-24 15 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  UCR180593  Lupinus microcarpus var. densiflorus Scott D. White, Angelia Carey 2004-4-5 9980 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA87095  Lupinus pallidus F. W. Peirson 1922-4-9 s.n. Riverside Palm Canyon region, head of Coachella Valley Comment
  SDSU12937  Lupinus sparsiflorus Jutta Buschbom 1991-6-20 36 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR261413  Lupinus sparsiflorus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41434 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR87980  Lupinus sparsiflorus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  CLARK-A1045-186  Lupinus sparsiflorus subsp. inopinatus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains end of road; Wildomar 7.5'Q Comment
  POM12644  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz, D. D. Keck 1922-4-9 4901 a Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA516430  Lupinus sparsiflorus subsp. sparsiflorus Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4438 Riverside along For. Rd. 3S04 btw. Ortega Hwy and Santiago Peak, Santa Ana Mts. Comment
  POM98002  Lupinus sparsiflorus subsp. sparsiflorus E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  CLARK-A1045-873  Lupinus truncatus George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  CLARK-A1528-4951  Lupinus truncatus John C. Roos 1948-4-24 3788 Riverside Cabazon Comment
  RSA792562  Lupinus truncatus Justin M. Wood 2011-4-4 3404 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR165191  Lupinus truncatus S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  RSA69479  Luzula comosa F. W. Peirson 1922-5-19 3039 Riverside San Jacinto River. 1143 Comment
  RSA750737  Luzula comosa Scott D. White, Justin M. Wood 2009-5-22 12904 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  UC2979  Luzula comosa var. laxa H. M. Hall July, 1901 2460 Riverside San Jacinto Mountains. Tahquitz Valley 2133 Comment
  UC1083106  Lycium Herbert L. Mason 1928-3-10 4215 Riverside Hidden Springs Canyon Coachella Mts. Comment
  RSA422108  Lycium andersonii M. B. Dunkle 1937-3-25 4926 Riverside Colorado Desert. Shaver's Well Comment
  UCR101596  Lycium andersonii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA0125267  Lycium brevipes Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8761 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  SD260129  Lycium cooperi J. Andre 2012-4-11 20792 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep hills and large wash. 729 Comment
  UC884612  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  RSA427023  Lycopersicon esculentum Louis C. Wheeler 1933-7-27 2040 Riverside Santa Ana River at Chino Creek. 152 Comment
  CSUSB1940  Lythrum hyssopifolia Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  RSA160518  Machaeranthera asteroides var. asteroides J. Olmstead 1959-9-23 1000 Riverside Base of San Jacinto Mtns. Valle Vista along road crossing of dry wash at junction of roads from Hemet and San Jacinto. Bautista Cyn. / San Jacinto Riv. drainage. 549 Comment
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Mar 27 2011
  RSA180445  Madia gracilis E. W. Lathrop 1965-5-30 5784 Riverside 6 miles west of Murrieta Comment
  UCR261167  Malacothamnus fasciculatus A. C. Sanders, Katie Young, John Hale 2015-4-22 41599 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  RSA145228  Malacothrix clevelandii P. H. Raven 1958-5-17 12936 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  JOTR30960  Malacothrix glabrata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1935 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA510054  Malacothrix glabrata B. Pitzer 1988-3-10 654 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA771656  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4912 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
  UCR244380  Malacothrix glabrata Jim Andre 2012-4-16 20949 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  UCR77687  Malacothrix glabrata Steve Boyd, T. S. Ross, M. Hammitt 1991-5-2 6075 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  SEINET9118732  Malacothrix glabrata C. H. Muller 1952-1 9498 Riverside 2 mi. E of Shavers Summit, E of Joshua Tree National Monument, South Gate. Comment
  UC1130508  Malosma laurina A. Lewis Feb 1934 265 Riverside 3 mi. e. Auburndale; Corona Quad. 91 Comment
  UCR101461  Malvella leprosa A. C. Sanders, K. C. Rose 1998-9-29 22246 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  CSUSB958  Marah macrocarpa Linda Stangor 1974-4-10 Riverside Box Springs Mountains Box Springs Mountains. Top of valley to left of Big "C," near bee cave. Comment
  RSA441204  Marah macrocarpa Freda Detmers 1930-2-2 s.n. Riverside Palm Canyon. Comment
  UCR172807  Marah macrocarpa Abby Sirulnik 2000-5-7 32 Riverside Peninsular Ranges; San Jacinto Mtns., Twin Pines Road, 1.5 mi. off of Calif. Hwy 243, east of McMullen Flat 1189 Comment
  CAS-BOT-BC218948  Marina parryi Lester Rowntree 1937-5-26 s.n. Riverside Box Canyon near Mecca Comment
  RSA703808  Marina parryi LeRoy Gross 2005-3-3 1601 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SEINET2063249 Image available Marina parryi B. Pitzer 1998-2-1 3444 Riverside Hayfield Dry Lake: Alluvial fan on N side of lakebed, from paved road down to lakebed. 426 Comment
  UC195034  Marina parryi Joseph Grinnell Riverside Colorado River Riverside Mt. Comment
  UCR94244  Matricaria matricarioides Scott D. White 1996-4-14 3888 Riverside Perris-Aguanga Basin region, Perris Basin: Hemet, roadside along Florida Ave. Comment
  RSA717836  Meconella denticulata T. Tennant, Mitch Provance 1998-6-25 MOR- 1060 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  CSUSB855  Melia azedarach Margaret-Lee Dean 1965-5-13 Riverside Bernasconi Hills Bernasconi Hills; 6 miles east of Highway 395 on Martin Road 487 Comment
  RSA0120469  Melica Duncan S. Bell 2016-4-16 9311 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UC69354  Melica imperfecta Geo. R. Hall 1901-3-31 1714 Riverside near Riverside Comment
  RSA674528  Mentha spicata Scott D. White 2000-11-15 8151 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  UCR265600  Mentzelia Jordan Zylstra 2014-3-18 14002 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  LA91117  Mentzelia affinis Peter H. Raven; 1958-3-15 11845 Riverside Box Canyon, E of Mecca Comment
  POM126805  Mentzelia affinis E. E. Schellenger 1911-4-24 s.n. Riverside South of Palm Springs, Colorado Desert, Riverside County Comment
  JOTR35453  Mentzelia albicaulis Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 57 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  UCR267889  Mentzelia albicaulis Jim Andre 2013-3-4 23862 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  POM99008  Mentzelia albicaulis var. albicaulis E. C. Jaeger 1926-4-24 s.n. Riverside Eagle Mts. eastern Riverside Co. 976 Comment
  RSA457752  Mentzelia californica Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2113 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  CLARK-A1528-3165  Mentzelia involucrata John C. Roos 1948-4-24 3801 Riverside Whitewater 518 Comment
  JEPS42805  Mentzelia involucrata W. L. Jepson 1927-4-11 11620 Riverside Bridge Colorado Desert, Whitewater 457 Comment
  RSA554206  Mentzelia involucrata Theo Glenn 1991-5-2 91 -29 Riverside McCoy Mtns, NW of Blythe. 350 Comment
  UC217915  Mentzelia jonesii P. A. Munz, D. Keck 1922-4-13 4955 Riverside Colorado Desert, Eagle Mtns. 243 Comment
  UCR20472  Mentzelia jonesii Carl Epling, Harlan Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, 1.3 mi east of Cottonwood Spring 1037 Comment
  UCR207511  Mentzelia micrantha O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR48524  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  UCR77769  Microseris douglasii subsp. douglasii Steve Boyd, D. E. Bramlet 1991-5-13 6233 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  RSA543862  Microseris lindleyi Steve Boyd 1991-5-13 6252 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
  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
  JEPS87307  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-18 1069 Riverside 3.3 mi n Lakeview (at Ramona Expressway) (along Davis Road, 3.8 rd mi s of Hwy 60) 485 Comment
  RSA192069  Mimulus aurantiacus var. pubescens E. W. Lathrop 1965-4-4 5638 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UC64207  Mimulus aurantiacus var. pubescens H. M. Hall Mar. 1898 Riverside Riverside Comment
  CSUSB886  Mimulus brevipes John Milbauer 1976-5-12 Riverside Pigeon Pass Road. Comment
  SFV17401  Mimulus brevipes M. S. Valenzuela, P. Wilson 1998-6-2 67 Riverside Highway 74 near mile marker 54. Found along a creek. Comment
  UCR35246  Mimulus brevipes L. B. Ziegler 1967-5-18 127 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  POM10951  Mimulus diffusus P. A. Munz, J. M. Johnston 1922-5-20 5467 Riverside Kenworthy; San Jacinto Mts. 1463 Comment
  UCR205443  Mimulus diffusus Jeff B. Galvin 2008-4-24 019 Riverside Peninsular Ranges; Santa Ana Mtns, Cleveland National Forest, 60 m east of Tenaja Falls trail, 290 m west of Wildomar Rd. 374 Comment
  CLARK-A1045-158  Mimulus floribundus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  CLARK-A1528-4244  Mimulus floribundus E. W. Lathrop 1966-6-1 6359 Riverside Tenaja Range Comment
  SBBG53759  Mimulus floribundus S. Boyd 1980-5-11 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UCR156286  Mimulus floribundus T. B. Salvato, Kent Beaman 2005-5-16 838 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
  JEPS5559  Mimulus guttatus Carl V. Meyer 1928-7-31 598 Riverside Tahquitz Valley San Jacinto Mountains 2286 Comment
  RSA770877  Mimulus guttatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4600 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCSB7515  Mimulus guttatus Ralph, F. 1959-5-16 Riverside in San Jacinto Mtns; 8.5 miles north of Idyllwild and about 17.8 miles south of the corner of 8th St. and San Gorgornio Rd., Banning 1676 Comment
  SBBG101796  Mimulus palmeri S. Boyd 1991-5-10 6207 Riverside Bedford Truck Trail on ridge between Bedford and McBribe Cyns 853 Comment
  CLARK-A1045-315  Mimulus pilosus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains bank of creek at end of Road; Wildomar 7.5'Q Comment
  UC1532827  Mimulus pilosus Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47301 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California (along stream way) 609 Comment
  UCR116961  Mimulus pilosus A. C. Sanders, T. B. Salvato 2001-5-3 24108 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR207639  Mimulus pilosus O. F. Clarke 2005-6-19 s.n. Riverside Peninsular Range; Gavilan Hills, Harford Springs County Park, off Idaleona Rd. 686 Comment
  UC63722  Mimulus tilingii H. M. Hall July 1901 2403 Riverside Tamarack Valley San Jacinto Mountains 2743 Comment
  UC1929818  Mirabilis bigelovii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10450 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
  SEINET212653  Mirabilis bigelovii var. retrorsa L. C. Higgins 1974-4-12 8480 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  UCR89855  Mirabilis californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3317 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA775221  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4439 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  POM14174  Mirabilis laevis var. crassifolia P. A. Munz 1922-4-9 4754 Riverside Palm Springs. 76 Comment
  RSA0027982  Mirabilis laevis var. crassifolia D. L. Banks, Victor W. Steinmann 1997-3-13 1461 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
  SDSU18647  Mirabilis laevis var. crassifolia C. Matt Guilliams, Jeannine Ross 2008-3-12 526 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. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UC1463090  Mirabilis laevis var. crassifolia Arthur S. Barclay and Juan Arguelles 1965-3-16 1838 Riverside Along State Highway 76, 2 miles W of junction with U.S. Highway 395 Comment
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Jun 15 2013
  RSA550345  Mirabilis laevis var. villosa Walter Wisura, John Dolan, M. Wall 1992-3-25 4643 Riverside Lowdesert: Cuckwalla Mts. 2.1 mi W of Corn Spring. Comment
  RSA408769  Mohavea confertiflora Anstruther Davidson 1903-05 1734 Riverside Martinez Canon, Thermal. Comment
  RSA0078218  Mollugo cerviana Sarah J. De Groot, Duncan S. Bell 2015-9-21 7586 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  VVC1939  Monardella breweri subsp. lanceolata Tim Thomas, C. Sanders 2008-6-24 4526 Riverside San Jacinto Mtns, May Valley, in south drainage of Tahquitz Peak, ca. 2.8 air miles north of Lake Hemet. 1518 Comment
  UCR90350  Monardella lanceolata Scott D. White 1995-6-30 3433 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  POM122454  Monardella linoides subsp. linoides Marcus E. Jones 1926-1 s.n. Riverside Corn Springs, Colo. Desert Comment
  POM13335  Monardella linoides subsp. linoides E. C. Jaeger 1921-3-10 1099 Riverside Santa Rosa Mtns, Upper Deep Canyon. 1220 Comment
  UCR19082  Monardella linoides subsp. linoides John C. Roos 1946-9-14 3009 Riverside Santa Rosa Mountains, Taylor, desert slope on Palms to Pines Highway 1098 Comment
  POM11507  Monardella nana P. A. Munz 1922-7-6 s.n. Riverside Between Tahquitz and Round Valley. 2287 Comment
  UC1499870  Monardella nana Elizabeth McClintock 1940-7-21 24 Riverside 4 1/2 mi from Pines to Palms Highway on Santa Rosa Mt. road, in canyon where forest begins and stream crosses road Comment
  UC1499936  Monardella nana E. McClintock, H. Lewis 1941-6-29 80 Riverside Santa Rosa Mt. road, 5 1/2 miles beyond canyon where stream crosses road Comment
  UC2036000  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  SEINET3101625 Image available Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Mojave Desert; Joshua Tree National Park, northeast end of Splitrock Picnic Area (Queen Mountain 7.5 Q.) 1327 Comment
  UCR132738  Monardella robisonii A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-5-11 24255 Riverside Mojave Desert, Joshua Tree National Park, Jumbo Rocks 1341 Comment
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Apr 21 2013
  CAS-BOT-BC349702  Monoptilon bellidiforme Ivan Johnston 1917-4-4 1055 Riverside Colorado Desert. Palm Canyon 457 Comment
  CAS-BOT-BC349794  Monoptilon bellioides Carl B. Wolf 1932-4-29 3112 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  POM305598  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1937-3-2 884 Riverside Betw Desert Center and Indio Comment
  UC1546693  Monoptilon bellioides Barry A. Prigge 1988-2-21 7843 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UC672208  Monoptilon bellioides Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCR193371  Montia fontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35637 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR19375  Muhlenbergia microsperma John C. Roos 1966-4-29 s.n. Riverside Between March AFB and Lakeview 762 Comment
  UCR252601  Muhlenbergia microsperma T. B. Salvato, Matthew Malle 2013-4-4 7502 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  UCR2587  Muhlenbergia microsperma Mrs. Barton 1908-1 s.n. Riverside Rubidoux Mtn, Riverside Comment
  RSA68692  Muilla maritima F. W. Peirson 1922-4-29 2942 Riverside 2 miles south of Elsinore. 366 Comment
  UCR50587  Muilla maritima B. G. Pitzer, E. Misquez 1988-2-28 0633 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  CAS-BOT-BC83351  Myosurus minimus Robert F. Thorne; Earl Lathrop 1969-5-12 37949 Riverside Santa Rosa Plateau-Mesa de Colorado, Rancho California. 624 Comment
  UCR136623  Myosurus minimus subsp. apus F. W. Peirson 1922-4-29 2945 Riverside Elsinore Trough, Lake Elsinore, about mudflat south of lake 375 Comment
  SD134392  Myosurus minimus var. apus Craig Reiser 1992-5-9 Riverside Hemet, corner of Stowe and California Streets Comment
  UCR281106  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 26 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  RSA0025077  Myriophyllum verticillatum Steve Boyd, T. S. Ross 1989-8-28 3800 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SD80145  Myriopteris covillei Nancy Ryan Zabriskie, Walter Zabriskie 1971-3-7 355 Riverside Andreas Canyon, ca 50 feet above stream opposite juncture with North Canyon, east slope of San Jacinto Mountains Comment
  UC880837  Nama C. L. Hitchcock 1940-4-4 5950 Riverside Pinto Basin Comment
  UCR279494  Nama demissa A. C. Sanders, Jim Malusa 2017-3-25 42992 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  SBBG119058  Nassella pulchra S. D. White with M. Honer 2004-4-6 10060 Riverside Temescal Valley, just N of the I-15 Hwy and E of Indian Truck Trail, S and W of Lee Lake; T5S R5W S7, SW/4 & adjacent S12 335 Comment
  SEINET7072853  Nassella pulchra A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  RSA192023  Navarretia atractyloides E. W. Lathrop 1960-6-6 4836 Riverside 14 miles west of Murrieta. Comment
  UCR112804  Navarretia atractyloides A. C. Sanders 1997-5-1 20610 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UCR158882  Navarretia atractyloides Scott D. White 1994-6-14 2070 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  SD227875  Navarretia hamata A. C. Sanders 1994-5-30 14591 Riverside San Bernardino Mtns.: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA0123377  Nemacladus Duncan S. Bell, Thomas Stoughton 2016-4-14 9297 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
  SEINET10461078  Nemacladus rubescens Ripley 1941-4-7 RIPLEY 3204 Riverside 10 miles north of Cottonwood Springs 747 Comment
  SEINET10461158  Nemacladus rubescens var. rubescens Piehl 1963-6-2 PIEHL 63547 A Riverside Along California Highway 74, 1.2 miles west of Mountain Center 1341 Comment
  RSA517834  Nemacladus tenuis var. aliformis Steve Boyd, Orlando Mistretta 1986-3-13 1460 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA519024  Nemacladus tenuis var. aliformis George K. Helmkamp 1986-4-7 757 Riverside Canyon Just E of and parallel to Hwy 62, above Indian Ave. BLM Land. 579 Comment
  POM3460  Nemophila menziesii Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  RSA783108  Nemophila menziesii J. D. Olmsted 1962-5-2 441 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  UC1242705  Nemophila menziesii C. L. Hitchcock, C. V. Muhlick 1962-3-16 22135 Riverside 8 mi se Corona (Temescal Canyon); se of Corona, Temescal Canyon Comment
  UCR166174  Nemophila menziesii 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
  UCR199  Nemophila menziesii Robert M. Hasegawa 1976-4-5 s.n. Riverside Riverside, University of California campus, 1/8 mi. south of Perimeter Road [South Campus Drive] 274 Comment
  UCR236902  Nemophila menziesii var. integrifolia Duncan S. Bell, Valentin Arvizu 2010-5-10 977 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  RSA282918  Nicotiana attenuata C. W. Tilforth, B. Busenberg 1980-6-17 2004 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  UCR119803  Nicotiana attenuata A. C. Sanders, Mitch Provance 1999-9-26 23093 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA80731  Nicotiana clevelandii F. W. Peirson 1928-3-10 7709 Riverside Along sides of main canyon near Hidden Springs, northeast of Mecca. Comment
  RSA426701  Nicotiana glauca Clyde Stratton 1943-7-23 s.n. Riverside Riverside. Comment
  JOTR35444  Nicotiana obtusifolia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 49 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  JOTR38662  Nicotiana obtusifolia Hodges, Stephen R. 2017-2-1 668 Riverside Joshua Tree National Park. Eagle Mountains, just inside the park boundary on the road to Pinto Wells Comment
  SD128719  Nicotiana obtusifolia Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  UCSB44691  Nicotiana obtusifolia Hibbard, Doug 1977-4-15 Riverside 50 yards to the west of Hwy 74, 3.3 miles from its intersection with Hwy 111 280 Comment
  CAS-BOT-BC131884  Nolina parryi Lester Rowntree 1937-5-29 s.n. Riverside Pines to Palms Comment
  SD122666  Nolina parryi C. C. Parry 1876-1 Riverside Probably Riverside County. Desert east of San Bernardino, (See cotype at MO for more specific locality information). Photograph of specimen only. Comment
  RSA292907  Nothoscordum borbonicum F. C. Vasek 1980-5-4 s.n. Riverside Riverside. Comment
  CHSC8395  Oenothera Edward L. Smith 1957-4-3 234 Riverside 1 mi. n on hwy. 99 to 29 Palms. San Bernardino Mts. 91 Comment
  SEINET12188942  Oenothera bistorta J. F. Bright, Wyman, C. 1933-1 8086 Riverside near Palm Springs Comment
  CAS-BOT-BC171496  Oenothera californica C. W. Tilforth 1976-5-22 1208 Riverside Common in vineyards and along Milliken Ave. in n.w. Riverside county. Comment
  JOTR16763  Oenothera californica subsp. avita Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO STUBBE SPRING 1341 Comment
  RSA500111  Oenothera californica subsp. californica Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3661 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  RSA596774  Oenothera californica subsp. californica D. L. Banks, K. D. Hedge 1996-5-16 1042 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  RSA614421  Oenothera californica subsp. californica D. L. Banks 1997-3-29 1554 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  CSUSB207  Oenothera deltoides Linda Stangor 1974-4-18 Riverside Windy Point; South side of Windy Point dunes. Comment
  SD39503  Oenothera deltoides Edith A. Purer 1935-4-21 6490 Riverside Colorado Desert, near Palm Springs. Comment
  UCR249665  Oenothera deltoides T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7302 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR1514  Oenothera primiveris W. R. Moberly 1962-1-31 620131- 01 Riverside Sonoran (Colorado) Desert, 8 mi. north of Desert Center on Desert Center-Rice Road 152 Comment
  UCR261218  Olea europaea A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41735 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  CAS-BOT-BC427471  Oligomeris linifolia Ira L. Wiggins 1941-3-24 9581 Riverside Beach along eastern margin of Salton Sea, 3.5 miles south of Mortmar Comment
  RSA80685  Oligomeris linifolia F. W. Peirson 1927-4-12 7161 Riverside Painted canyon, near Mecca. Comment
  UCR214704  Oligomeris linifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37521 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  UCR51934  Oligomeris linifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2128 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA0038513  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-30 12 -82 Riverside city of Lake Elsinore, south side of Alberhill Creek, west of Hwy 74, vicinity of Bromley Ave. and Baker Street 380 Comment
  SD262202  Oncosiphon piluliferum Steve Boyd 2017-4-19 12324 Riverside City of Riverside, residential lot at 4376 Beechwood Place (Riverside West 7.5'Q) 228 Comment
  UCR250210  Oncosiphon piluliferum A. C. Sanders 2014-4-23 41060 Riverside Peninsular Range, Temescal Valley, between Temescal Canyon Rd. and I-15, NW of Bernard St. 373 Comment
  UCR281199  Oncosiphon piluliferum Michael D. Wilcox 2017-4-18 s.n. Riverside Sonoran (Colorado) Desert, 1 mile long segment of Palm Canyon Wash, centered on Hwy 111 crossing, city of Palm Springs 165 Comment
  POM274050  Opuntia bigelovii var. bigelovii Lyman Benson 1933-3-31 4182 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA22796  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1939-9-29 9460 Riverside Desert slopes of San Jacinto range. Upper edge of Pinon Flats on the Palms-Pines Road. 1220 Comment
  POM246483  Opuntia ramosissima C. B. Wolf 1932-10-12 4290 Riverside Colorado Desert. 4.5 miles from 29 Palms on road to Mecca. Comment
  JEPS85947  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4525 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  UCSB7506  Orobanche cooperi Hurd, Richard 1956-4-14 Riverside 1 mile south of Joshua Tree Comment
  RSA0066571  Orobanche cooperi subsp. cooperi H. U. Stauffer, Robert F. Thorne 1964-5-5 5924 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  UCR80799  Orobanche fasciculata Scott D. White 1993-5-29 1444 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UCR94614  Orobanche fasciculata G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  UCR124148  Oryzopsis hymenoides Steven R. Hill 2001-4-29 33534 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  SEINET10635289  Oxalis pes-caprae Greg Gust, Leith Nye 2005-3-11 Gust 539 Riverside Lake Elsinore City Limits. At intersection of Ellis St. & Franklin St. in an overgrown disturbed site. 400 Comment
  RSA126711  Oxytheca caryophylloides Peter H. Raven, R. Snow 1957-7-26 11091 Riverside Banning-Idyllwild road, 0.9 miles north of Vista Grande Ranger Station, San Jacinto Mts. Comment
  UC219562  Oxytheca emarginata P. A. Munz 1922-6-24 5793 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1432 Comment
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Mar 25 2011
  RSA64894  Oxytheca trilobata F. W. Peirson 1922-5-21 5349 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  UCR91597  Paeonia californica D. L. Banks, Steve Boyd 1995-3-15 0066 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  CAS-BOT-BC327917  Palafoxia arida Mrs. John C. Augsbury 1930-2-1 s.n. Riverside Indio Comment
  SBBG65759  Palafoxia arida R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn Comment
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Oct 31 2011
  UCR134598  Palafoxia arida Marisa Sripracha, Kyle Boyd 2004-2-14 014 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  JEPS34754  Palafoxia arida var. arida I. W. Clokey 1935-4-17 6838 Riverside e Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  POM363745  Palafoxia arida var. arida M. B. Dunkle 1932-2-25 2922 Riverside 6 miles NW of Indio. Comment
  UC1440559  Palafoxia arida var. arida T. J. Watson 1970-3-24 367 Riverside 1 1/2 mi n California State Hwy. 95 (9 mi e of Mecca) Comment
  UCR260887  Palafoxia arida var. arida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41426 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCSB44687  Palafoxia arida var. arida Hibbard, Doug 1977-5-14 Riverside 75 yards off west side of Hwy. 74, 3.3 miles from its intersection with Hwy. 111 (Palm Desert area) 280 Comment
  CAS-BOT-BC350983  Panicum hirticaule Duncan S. Bell; John Anderson; Kim Clark; Debbie George; Jim George; A. F. Howland 2013-9-28 6018 Riverside Chuckwalla Valley; approx. 22.25 air miles W of Blythe, S side of Ford Dry Lake, about 0.5 air mile SE of Hopkins Well 107 Comment
  UCR14420  Panicum miliaceum A. C. Sanders 1974-7-25 938 Riverside Riverside, corner of Chicago and Pennsylvania 296 Comment
  HSC85252  Papaver californicum Steve Boyd 1986-4-22 1735 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR281269  Papaver californicum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 27 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  RSA0020380  Parietaria hespera Duncan S. Bell, Keir Morse 2013-3-30 4661 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  UCR163090  Parkinsonia florida B. G. Pitzer 2000-5-7 4143 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA0045516  Parosela parryi Mary Edmunds 1932-3-26 s.n. Riverside Oasis. [Most likely the city in Riverside County]. Comment
  RSA766070  Paspalum pubiflorum R. E. Riefner Jr. 2009-10-10 09 -225 Riverside City of Corona, Santa Ana River below Prado Dam, ca. 0.5 mi SW of 71 Fwy. 135 Comment
  RSA38494  Pectis papposa P. A. Munz 1946-10-20 11574 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. 1037 Comment
  SBBG8647  Pectis papposa H. and M. Dearing 1939-11-12 4027 Riverside E of Palm Springs Comment
  UCR163874  Pectis papposa B. G. Pitzer 2000-11-4 4242 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  POM368804  Pectocarya heterocarpa Robert M. Perkins, H. de Forest 1938-4-18 s.n. Riverside 24 miles W of Indio. Comment
  RSA191740  Pectocarya heterocarpa R. F. Thorne 1963-3-29 32389 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UCR163921  Pectocarya heterocarpa A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29133 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  SEINET242053  Pectocarya linearis A. C. Sanders 2001-3-20 23852 Riverside Western Colorado Desert: Coachella Vly, Garnet, N side of 19th Ave., 0.5 mi (air) NW of intersxn of I-10 & Indian Ave. 235 Comment
  POM9594  Pectocarya linearis subsp. ferocula I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  CLARK-A1045-83  Pectocarya penicillata George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains .5 mile [north northwest] from CA Highway 74; Hemet 15'Q Comment
  SD144478  Pectocarya penicillata A. C. Sanders 1997-3-1 19709 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity, 1386 Ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR250313  Pectocarya penicillata A. C. Sanders 2014-4-8 40975 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  RSA0031014  Pectocarya platycarpa J. Andre 2013-3-27 24802 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  UC1922397  Pectocarya platycarpa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1429 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 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
  UCR89719  Pectocarya platycarpa J. M. Stewart 1991-4-7 784 Riverside Sonoran (Colorado) Desert, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains Comment
  POM368815  Pectocarya recurvata N. C. Cooper 1949-4-8 3287 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA777632  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 769 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR218471  Pectocarya recurvata Jim Andre, T. La Doux 2009-3-10 11254 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
  UCR281223  Pectocarya recurvata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 48 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  JOTR32198  Pectocarya setosa Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Gentle, gravelly north facing slope near the intersection of Ryan Mountain Trail and Sheep Pass Spur Trail (Stop 3) 1361 Comment
  UCR244392  Pectocarya setosa Jim Andre 2012-4-16 20966 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UCR121652  Pellaea mucronata A. C. Sanders, Kent Beaman 2002-5-10 25048 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
  UCR162271  Pellaea mucronata S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  OBI32752  Penstemon centranthifolius E. W. Lathrop 1966-4-27 6211 Riverside Main Divide Truck Trl between El Carriso and San Mateo Cyn. Cleveland Natl Forest 1219 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
  UCR202246  Penstemon centranthifolius Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  SDSU10935  Penstemon clevelandii H. Wedberg 1962-4-20 911 Riverside About 1 mile SE of Pinyon Flats on Road to Palm Springs. 1219 Comment
  NY583963  Penstemon clevelandii var. connatus A. E. Wieslander 1938-5-15 737 Riverside Near Sugar Loaf Mountain. Forest: Thermal Quadran. 1219.2 Comment
  JOTR37447  Penstemon eatonii var. eatonii Hodges, Stephen, T. Green 2016-5-24 569 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  RSA263751  Penstemon heterophyllus var. australis E. W. Lathrop 1968-5-17 6892 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  NY650693  Penstemon rostriflorus E. K. Balls 1953-8-19 18544 Riverside Above Santa Rosa Spring, Santa Rosa Peak 2133.6 Comment
  NY661179  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-25 487 Riverside Santa Rosa Mountain Truck Trail, San Jacinto Mountains, Palms to Pines Highway 1676.4 Comment
  UC27505  Penstemon spectabilis var. spectabilis H. M. Hall 1898-6-27 954 Riverside El Toro Mt. at ______ Springs San Jacinto Mountains, El Toro Mt., Coyote Canyon (Coyote Canyon) 1737 Comment
  UC1329888  Penstemon thurberi James E. Cole 1941-6-14 892 Riverside near junction of Queen Wash and Lost Horse Wash (Joshua Tree National Monument); Joshua Tree National Monument 1219 Comment
  UC2029973  Pentachaeta aurea S. D. White, Bill La Haye 2000-5-27 7953 Riverside SAN JACINTO MOUNTAINS: Baldy Mtn. area. 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
  UCSB3815  Peritoma arborea Gray, Caroline 1956-4-14 Riverside 1 mi. south of southern entrance of Joshua Tree National Monument Comment
  UCSB3817  Peritoma arborea Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy. 99, western edge of the Colorado Desert Comment
  CAS-BOT-BC355996  Perityle emoryi L. R. Abrams 1926-3-26 11012 Riverside Palm Springs Comment
  POM46878  Perityle emoryi Mary F. Spencer 1918-3-26 783 Riverside Palm Springs. 137 Comment
  SBBG54478  Perityle emoryi L. R. Abrams 1926-3-26 Riverside Palm Springs Comment
  SD258885  Perityle emoryi Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7646 Riverside Mecca Hills; hills aroung Shaver's Well, along Box Canyon Road, south edge of Shver'v Valley, eastnortheast of Mecca. 294 Comment
  SEINET201068  Perityle emoryi H. E. Parks Riverside Mouth of Santa Rosa Canyon near Indio. Comment
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Mar 20 2014
  UC306393  Perityle emoryi Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  UCR214159  Perityle emoryi T. B. Salvato 2010-4-20 4057 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCSB12881  Perityle emoryi Breedlove, Dennis 1962-3-11 Riverside 3 miles southwest of Palm Desert 426 Comment
  SBBG69399  Petalonyx thurberi subsp. thurberi R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UCR46702  Petunia X atkinsiana A. C. Sanders 1987-4-7 7046 Riverside City of Riverside, Vacant lot on north side of Spruce Street, between Rustin Ave. and Canyon Crest [now Watkins] Dr. 305 Comment
  CAS-BOT-BC326738  Peucephyllum schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  RSA0121245  Peucephyllum schottii Sherwin Carlquist 1958-10-12 628 Riverside Eagle Mt., pumping station. Comment
  SBBG27018  Peucephyllum schottii K. K. Muller 1967-3-21 1384 Riverside foothills of Orocopia Mtns, directly opposite S entrance of Joshua Tree Nat Monument Comment
  RSA39983  Phacelia affinis L. S. Rose 1937-4-9 37125 Riverside Palms to Pines Hwy, 18miles W of Indio. 1037 Comment
  POM305413  Phacelia ambigua Henry J. Ramsey, Henry J. Ramsey 1939-11-28 687 Riverside 10 miles east of Indio. Comment
  RSA657245  Phacelia ambigua J. Mark Porter 2001-4-2 12344 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  NY43149  Phacelia brachyloba J. B. Walker 1995-5-4 1416 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  POM48900  Phacelia brachyloba P. A. Munz 1924-7-29 8848 a Riverside 7 mi SE of Poppet Flat, San Jacinto Mts. 1524 Comment
  UCR60240  Phacelia campanularia R. F. Thorne, M. Z. Thorne 1973-3-30 42658 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  HSC13709  Phacelia cicutaria var. hispida C. L. Hitchcock 1966-3-15 24156 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  UCR228253  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37669 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  UCR89879  Phacelia cicutaria var. hispida Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3338 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SEINET7048178  Phacelia cicutaria var. hispida Steven R. Hill 2001-5-3 33684 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
  UCR104639  Phacelia ciliata D. E. Bramlet 1996-4-15 2454 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, SW corner of reserve; adjacent to the existing maintenance road and 105 m north of the Ramona Expressway. 433 Comment
  RSA783489  Phacelia crenulata J. D. Olmsted 1958-3-29 76 Riverside Joshua Tree National Monument. Pinto Basin 5 mi north of junction between Cottonwood Pass and Cottonwood Spring Roads on the former, which becomes Pinto Basin Road. 732 Comment
  SJSU11243  Phacelia crenulata R. C. McGehee 1970-4-15 195 Riverside Wileys Well 26 mi SW of blythe Comment
  UC68752  Phacelia crenulata var. ambigua H. M. Hall May 1905 5897 Riverside Chuckawalla Springs Colorado Desert Comment
  RSA0110948  Phacelia crenulata var. ambigua Michael Honer, L. Hulse 2005-3-7 2030 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  UC663066  Phacelia cryptantha James E. Cole 1941-5-30 824 Riverside peak ese C. G. S. SDtation; Joshua Tree National Monument, Quail Mountain Comment
  UCR97479  Phacelia cryptantha John Wear, Nathan Moorhatch 1997-3-18 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  UCSC001207  Phacelia cryptantha Peter Kamb 1948-4-11 1116 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Aqueduct Road, Coachella Valley 305 Comment
  UCR169392  Phacelia curvipes T. B. Salvato, John F. Green 2004-5-27 595 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
  JEPS2004  Phacelia distans W. L. Jepson 1901-5-17 1241 Riverside San Jacinto River San Jacinto Valley Comment
  RSA428219  Phacelia distans H. de Forest, George C. Johnston 1925-4-17 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA74949  Phacelia distans F. W. Peirson 1918-03 957 Riverside Field near Indio. Comment
  RSA74954  Phacelia distans F. W. Peirson 1918-03 955 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  RSA770429  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4870 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
  SD137732  Phacelia distans Darin L. Banks, Steve Boyd 1995-5-3 187 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC1929843  Phacelia distans Scott D. White 2001-4-3 8271 Riverside COLORADO DESERT: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. Comment
  UCR152640  Phacelia distans A. C. Sanders 2005-4-22 29605 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR162880  Phacelia distans T. B. Salvato, Kelly Volansky 2003-3-27 121 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UC144133 Image available Phacelia douglasii var. cryptantha Charlotte M. Wilder 1908-3-28 873 Riverside sandy flat north of pond, Fairmount Park, Riverside, Cal. Comment
  UC881112  Phacelia fremontii K. Watkins and E. McClintock 1937-4-10 Riverside Palms-to-Pines Hwy near road to Shumay Comment
  UC454114  Phacelia imbricata subsp. patula I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 1676 Comment
  UCR241496  Phacelia minor Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 217 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA428115  Phacelia mutabilis M. B. Dunkle 1933-7-19 3680 Riverside Upper Tahquitz Valley. Strawberry Creek. 2409 Comment
  UCR196362  Phacelia neglecta Naomi Fraga, Lisa Rojas 2005-2-10 1355 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR207553  Phacelia ramosissima O. F. Clarke 2005-5-12 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Moreno Valley 625 Comment
  SEINET12280343  Phacelia ramosissima E. A. Purer 1935-1 6486 Riverside western edge of Colorado desert near Palm Springs Comment
  CAS-BOT-BC145002  Phacelia ramosissima var. latifolia Edmund C. Jaeger 1925-5-2 s.n. Riverside Keyes Water Canyon, Box Springs Mtn. Comment
  UCR91273  Phalaris minor Scott D. White 1995-4-5 2720 .1 Riverside San Jacinto Valley, San Jacinto Wildlife area, near northern boundary, off Davis Rd. 427 Comment
  UCR135823  Phalaris paradoxa A. C. Sanders, Guy Bruyea 2004-4-2 27449 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  LA9766  Phleum alpinum Martha Hilend; 1928-8-7 sn Riverside Mount San Jacinto, Round Valley, Idllywild Comment
  RSA5230  Phleum alpinum C. B. Wolf 1932-8-5 3956 Riverside San Jacinto Mountains, on trail from Tahquitz Valley to San Jacinto Peak, head of a fork of Tahquitz Creek 2744 Comment
  RSA489619  Phlox austromontana D. Charlton 1988-5-28 2113 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  POM243711  Pholisma arenarium E. C. Jaeger 1938-5-15 s.n. Riverside Barkers Reservoir, Joshua Tree National Monument. 1280 Comment
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Nov 13 2016
  UC669279  Pholistoma membranaceum Annie M. Alexander and Louise Kellogg 1941-2-28 1880 Riverside Andreas Canyon e. slope San Jacinto Mts., Andreas Canyon 350 Comment
  CAS-BOT-BC135106  Phoradendron californicum R. F. Hoover 1966-10-15 10165 Riverside Dead Indian Canyon Comment
  LA209834  Phoradendron californicum A. M. Johnson; 1932-3-20 3905 Riverside Indian Wells, below Palm Springs Comment
  POM46959  Phoradendron californicum Mary F. Spencer 1920-3-15 1504 Riverside Mecca; 197 feet below sea level -60 Comment
  RSA420768  Phoradendron californicum P. J. Remple 1942-3-1 s.n. Riverside Colorado Desert. Comment
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Nov 5 2011
  RSA420776  Phoradendron californicum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA650125  Phoradendron californicum David B. Dunn 1947-7-12 2977 Riverside Pushawalla Canyon, Indio Hills. Comment
  SEINET3073027 Image available Phoradendron californicum Dennis Kucera 1987-11-14 Riverside Malki Museum garden, E of Banning off Fields Road, Morongo Reservation. 610 Comment
  SEINET6065450  Phoradendron californicum Louis Wheeler 1964-10-17 8641 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCD102166  Phoradendron juniperinum P. Kilburn 1958-5-30 829 Riverside Mt. San Jacinto, 5 mi. N. of Idlewild, just W. of Fern Basin Cmpgd, beside road. 2133 Comment
  RSA420756  Phoradendron pauciflorum Albert J. Perkins 1915-9-6 s.n. Riverside San Jacinto Mt. Comment
  RSA26277  Physalis crassifolia Reid Moran 1941-5-5 857 Riverside Cottonwood Pass, Eagle Mtns. Comment
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Nov 22 2011
  RSA423826  Physalis crassifolia T. W. Minthorn 1926-5-13 s.n. Riverside Near Indio. Comment
  SD82817  Physalis crassifolia Norman C. Cooper 1944-4-8 1059 Riverside Andreas Canyon, floor of canyon 305 Comment
  UCR167862  Pinus T. B. Salvato, John F. Green 2004-5-27 647 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
  UC1600406  Pinus contorta subsp. murrayana H. M. Hall 2321 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley Comment
  RSA67677  Pinus edulis Verne Grant 1951-7-23 16111 Riverside Hillside in narrow canyon, several miles east of Anza on road to Hwy 74. 762 Comment
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Mar 23 2014
  POM11516  Pinus flexilis Philip A. Munz 1922-6-28 5886 Riverside Santa Rosa Mts. Toro Peak. 2439 Comment
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Mar 28 2014
  NY62435  Pinus quadrifolia M. Parratt 1962-2-24 114 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SD229031  Pinus quadrifolia Dick Schwenkmeyer 2012-3-26 657 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
  UC1134100  Pinus quadrifolia R. St. John 1931-1-14 172 Riverside Burnt Valley San Jacinto Quad., Burnt Valley 1371 Comment
  UCR19284  Pinus quadrifolia John C. Roos 1947-4-5 3436 Riverside San Jacinto Mtns., Head of Thomas Valley 1463 Comment
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Oct 25 2011
  SBBG120130  Plagiobothrys acanthocarpus A. C. Sanders with K. Volansky 2005-3-17 29201 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA752560  Plagiobothrys canescens Justin M. Wood 2009-3-3 324 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  SEINET959162  Plagiobothrys canescens John F. Green 2006-1 Riverside Northeast of Murrieta, just south of Los Alamos Rd. (''Clinton Keith Rd.'') on east and west sides of Liberty Rd. border between City of Murrieta and uniincorporated French Valley (Murrieta 7.5' Q) 415 Comment
  UCR181347  Plagiobothrys canescens Mitch Provance, Tracy Tennant 2003-4-5 6529 Riverside San Bernardino Valley, Fontana, Martin Tudor Park, north side of the Jurupa Mountains, west of Sierra Blvd 360 Comment
  UCR120654  Plagiobothrys collinus D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1809 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR97455  Plagiobothrys collinus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  POM73119  Plagiobothrys collinus var. californicus Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  RSA702727  Plagiobothrys collinus var. californicus Scott D. White, Michael Honer 2004-4-6 10062 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SBBG128891  Plagiobothrys collinus var. fulvescens A. C. Sanders, T. W. Chumley 2013-4-2 40735 Riverside Temescal Cyn at W side of Horsethief Cyn Rd, S of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  SD244104  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-3 40765 Riverside Peninsular Range: Temescal Canyon just SE of intersection of Horsethief Canyon Road and I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 380 Comment
  UCR272260  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air mile west of Priest Well 439 Comment
  UCR75046  Plagiobothrys jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12143 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM13593  Plagiobothrys leptocladus P. A. Munz 1922-5-5 5158 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  POM13871  Plagiobothrys leptocladus P. A. Munz 1922-4-29 5092 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCR117389  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2001-5-25 24389 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR25972  Plagiobothrys leptocladus John C. Roos 1952-4-23 5572 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 427 Comment
  UCR85638  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA621634  Plagiobothrys undulatus R. E. Riefner 1998-5-15 98 -303 Riverside Elsinore Trough between Willard and Murrieta Creek, Lake Elsinore. Comment
  CAS-BOT-BC224912  Plantago erecta A. C. Sanders; T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  OBI30190  Plantago erecta T. W. Niilus 1970-3-16 N 71 Riverside 3 mi NW of Alberhill on CA hwy 71 396 Comment
  PASA25  Plantago erecta 1926-2-21 Riverside Thousand Palms Comment
  RSA654617  Plantago erecta Starr Streight 1982-4-17 60 Riverside south of Cajalco Road, 0.3 miles east of La Sierra Hwy. Comment
  UCR151202  Plantago erecta Steve Boyd 2001-4-12 10413 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  UCR226064  Plantago erecta A. C. Sanders, T. B. Salvato 2011-4-1 38967 Riverside Peninsular Range, Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  RSA0013147  Plantago lanceolata LeRoy Gross, Caitlin Elam 2013-5-14 6063 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
  UCR106736  Plantago lanceolata John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR166016  Plantago ovata Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  RSA4881  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-27 2997 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road. 152 Comment
  POM157910  Plantago patagonica P. A. Munz 1927-5-20 10809 Riverside 10 miles S. of Hemet. 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
  UCR133430  Plantago patagonica Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 204 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR120901  Plantago virginica A. C. Sanders 2002-3-20 24897 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  CAS-BOT-BC93213  Platanus racemosa B. D. Stark 1933-11-1 5555 Riverside Andreas Canyon, desert side of San Jacinto Mountains. Comment
  RSA401709A  Platanus racemosa A. Menke 1955-4-25 s.n. Riverside Andreas Canyon, Palm Springs. Comment
  SEINET10476457  Platanus racemosa James S. Miller 1992-5-8 Miller 7463 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  UCR208927  Platanus racemosa B. D. Stark 1933-1 5555 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  UCR234327  Platanus racemosa A. C. Sanders, John F. Green 2012-4-6 40007 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, off Temescal Cyn. Rd., between Campbell Ranch Rd. and I-15 Fwy, c. 10 miles south of Corona 324 Comment
  UCR280925  Platanus racemosa Mitch Provance 2017-5-25 517- 64 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  CAS-BOT-BC91875  Platystemon californicus H. L. Mason 1926-4-30 3134 Riverside Two miles south of Temecula. Comment
  POM305297  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 545 Riverside S of Corona Comment
  RSA182352  Platystemon californicus J. D. Olmsted 1962-5-2 3451 Riverside By saddle just N of highest part of Box Spring Mountains. 777 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
  SD181426  Platystemon californicus Scott D. White 2001-5-1 8439 Riverside Near Sun City; Quail Valley, valleys and slopes east of Canyon Lake and west of Goetz Road. 441 Comment
  UCR220132  Plectritis ciliosa D. E. Bramlet 1989-4-12 1832 Riverside Peninsular Range; Perris-Aguanga Basin region, South Domenigoni Hills, c. 6500 ft. east of MWD canal & 6300 ft. south of Newport Rd. [site now under water of Diamond Valley Reservoir] 488 Comment
  CLARK-A1045-75  Plectritis ciliosa subsp. insignis George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains 2 miles east of Mountain Center; grassy slope; Idyllwild 15'Q Comment
  JOTR16786  Pleuraphis rigida Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATER STATION 1310 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
  UC1979847  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 960 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  RSA457772  Pleurocoronis pluriseta Steve Boyd 1988-3-10 2216 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA515206  Pleurocoronis pluriseta Steve Boyd, Orlando Mistretta 1986-3-13 1482 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  CLARK-A1656-604  Pluchea sericea Jim Cornett 1977-7-10 Riverside Thousand Palms Canyon 137 Comment
  RSA735065  Pluchea sericea Scott D. White, Angelia Carey 2004-6-4 10482 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA484164  Poa E. S. Spalding 1926-2-20 15407 Riverside Andreas Canyon, Colorado Desert. Comment
  RSA125535  Poa fendleriana R. Weatherby 1949-6-6 333 Riverside Santa Rosa Mtn. 2134 Comment
  UC1930038  Poa pratensis Scott D. White, Justin Wood 2008-5-15 12011 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  POM14438  Poa secunda P. A. Munz, I. M. Johnston 1922-5-21 5509 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  CAS-BOT-BC242993  Poa secunda subsp. secunda S. B. Parish 1907-4-18 6141 Riverside White [Whitewater?] Canyon, Palm Springs, W edge of Colorado Desert 200 Comment
  CAS-BOT-BC242999  Poa secunda subsp. secunda Steve Boyd; et al. 1990-4-2 4023 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, E of USFWS Dripping Springs Guard Station 609 Comment
  RSA772838  Poa secunda subsp. secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4726 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
  UC39552  Poa secunda subsp. secunda H. M. Hall June 1901 2257 Riverside Fuller's Hills Mts San Jacinto Mts, Fuller's Hills Mts 1645 Comment
  UCD90827  Poa secunda subsp. secunda Beecher Crampton 1963-5-7 6782 Riverside Western. 2 miles W of Lakeland Village, Elsinore Mountains. Cleveland National Forest. 609 Comment
  UCD91749  Poa wheeleri Collector Unknown 1895-7-9 s.n. Riverside San Jacinto Mountains. 2590 Comment
  RSA571317  Polycarpon depressum Steve Boyd, D. L. Banks 1994-4-5 8265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UCR189555  Polygala cornuta var. fishiae Diane Menuz 2007-8-2 334 Riverside Penninsilar Range- Santa Ana Mountains, Santa Margarita Ecological Reserve; along Temecula Canyon, c. 600 m from Santa Margarita River crossing 230 Comment
  UCR189795  Polygala cornuta var. fishiae Diane Menuz 2007-9-13 369 Riverside Peninsular Range, Coastal Foothills Region, Cleveland National Forest c. 1.75 mi north of San Diego County line. San Mateo Canyon c. 0.6 mi southeast of Fisherman's Camp 375 Comment
  UCR30596  Polygonum argyrocoleon John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  UCR201626  Polygonum aviculare Scott D. White, Justin M. Wood 2008-6-16 12139 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UC465745  Polygonum punctatum A. J. McClatchie 1896-7-8 Riverside Temecula Comment
  RSA612696  Polypogon maritimus D. L. Banks 1997-3-29 1602 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border;, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  CAS-BOT-BC102604  Populus fremontii Marian L. Campbell 1921-3-19 34 Riverside Banning Comment
  SEINET10538903  Populus fremontii David B. Dunn, Harold L. Lint 1948-1-24 Dunn 3608 Riverside Pushawalla canyon, indio hills. Dry january; no rain since mid-december although Plants are still growing even on top of the desert pavement. Very warm; the Cottonwoods still had many of last year's leaves and were leafing out anew. Beside quad 1. Comment
  JEPS64524  Populus fremontii subsp. fremontii W. L. Jepson 1928-4-25 12590 Riverside Colorado Desert, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Spring 731 Comment
  SD28077  Populus fremontii subsp. fremontii Carl B. Wolf 1932-5-25 3661 Riverside North base of San Jacinto Mountains, mouth of E. Fork of Snow Creek Canyon. 671 Comment
  RSA0106574  Porophyllum gracile Duncan S. Bell 2010-4-2 719 Riverside West side of the Arica Mountians; just below the ridgeline of the range, approx. 2.5 air miles northwest of Priest Well. 560 Comment
  CAS-BOT-BC310318  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  JEPS396  Potamogeton diversifolius Carl V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  POM12677  Potamogeton diversifolius Philip A. Munz 1922-9-6 6380 Riverside Hidden Lake 2439 Comment
  UC355  Potamogeton diversifolius H. M. Hall 1901-7 2490 Riverside shores of Lake Surprise; San Jacinto Mountains 2499 Comment
  CAS-BOT-BC267209  Potamogeton foliosus Thorne; E. Lathrop 1969-6-6 39343 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA0130690  Potamogeton pectinatus S. B. Bryant 1942-6-18 11277 Riverside Lake Norco Comment
  UC1746640  Potentilla norvegica T. Schram and D. Wappler 1994-7-14 Riverside Lake Hemet San Jacinto Mountains Comment
  JOTR34236  Prenanthella exigua Harding, Mitzi 2010-6-3 37 Riverside Joshua Tree National Park. bajada west of Eagle Mountain, approx. 1 mi NE of Cottonwood Visitor Center, approx. 1/2 mi. east of Rte. 11 975 Comment
  UCR116946  Proboscidea louisianica A. C. Sanders, D. Malueg 2001-5-17 24355 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  RSA0027579  Prosopis glandulosa Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 33 Riverside At Corn Springs Campground. Comment
  RSA0108946  Prosopis glandulosa Duncan S. Bell, Amanda Bell 2012-1-28 3064 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UCR109534  Prosopis glandulosa R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert, Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saying 'Edmund C. Jaeger Nature Sanctuary' in bottom of canyon at old road crossing 366 Comment
  CAS-BOT-BC206985  Prosopis glandulosa var. torreyana Alice Eastwood 1913-4-30 3063 Riverside Palm Springs Comment
  POM348733  Prosopis glandulosa var. torreyana Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
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Jul 5 2010
  RSA652726  Prosopis glandulosa var. torreyana Jack Stennes 1949-4-16 s.n. Riverside Desert near oasis. 0 Comment
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Apr 6 2011
  UCSB50077  Prosopis glandulosa var. torreyana Millett, Barbara 1980-5-18 Riverside Com Springs Wash, off Corn Springs Road 7 miles southwest of its juction with Chuckwalla Road, Chuckwalla Mts. 457 Comment
  UCSB7194  Prosopis glandulosa var. torreyana Krogen, Roger 1957-1 Riverside Canyon bottom 5 mi. E of Mecca on Hwy. 195 in Box Canyon Wash Comment
  SD143888  Prosopis pubescens A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart, C. L. Sanders 1994-12-4 15880 Riverside Colorado Desert, Salton Trough, Dos Palmas oasis area, San Andreas Palm Grove, 1.75 km WSW of Rancho Dos Palmas, on the margins of grove; marked 'seep' on Durmid 7.5' quad. -22 Comment
  UCR85387  Prosopis pubescens A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15880 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  NY43175  Prunus fasciculata J. B. Walker 1995-5-4 1411 Riverside San Bernardino National Forest, 1km S of Pinyon Flat Campground 1300 Comment
  UCD166228  Prunus fremontii Jack Major 1962-4-16 771 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  CLARK-A1528-4037  Prunus virginiana John C. Roos 1965-7-3 Riverside San Jacinto Mountains Comment
  UCR81107  Prunus virginiana Scott D. White 1993-5-29 1451 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  CAS-BOT-BC356300  Psathyrotes ramosissima D. B. Dunn 1955-6-1 11873 Riverside Coll. near the mouth of Pushawalla Canyon Comment
  SBBG50926  Pseudognaphalium biolettii N. R. Zabriskie 1973-4-6 624 Riverside trail ca 25' N of stream, ca 30 yds downstream from "Big Pool", Andreas Cyn, E slope San Jacinto Mtns 335 Comment
  UCR213572  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37814 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR92399  Pseudognaphalium biolettii F. M. Reed 1903-3-10 214 Riverside South Coast; San Bernardino Valley, W base of Box Spring Mtns. 366 Comment
  UCR280993  Pseudognaphalium leucocephalum Mitch Provance 2017-5-25 517- 65 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  UCR270708  Pseudognaphalium microcephalum John F. Emmel 1998-8-9 1584 Riverside San Jacinto Mountains, foothills at southwest edge of the mountains, Bautista Canyon, 0.4-0.5 road mile southeast of national forest boundary 723 Comment
  RSA198968  Psilocarphus brevissimus R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37436 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  RSA124449  Psorothamnus emoryi Percy C. Everett, E. K. Balls 1958-4-29 23023 Riverside 5.3 mi. NE from Desert Center along road to Rice and Vidal Jct. 244 Comment
  RSA403988  Psorothamnus emoryi Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA748290  Psorothamnus emoryi Justin M. Wood 2009-3-26 418 Riverside Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  SEINET2063915 Image available Psorothamnus polydenius R. G. Engard, W. H. Earle 1973-10-10 154 Riverside 5 miles N of Cottonwood Springs, Joshua Tree National Monument. Comment
  CAS-BOT-BC340900  Psorothamnus schottii Ira L. Wiggins 1937-3-9 8754 A Riverside 5 miles west of Shaver's Well Comment
  CDA27788  Psorothamnus schottii G. D. Barbe, J. L. Johnson 1982-11-2 4023 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  RSA303510  Psorothamnus schottii James R. Shevock 1971-5-8 1029 Riverside S Cottonwood Springs, Joshua Tree Natl Monument. 549 Comment
  CAS-BOT-BC460530  Pterospora andromedea Mary F. Spencer 1919-6-25 1223 Riverside San Jacinto Mt. 1676 Comment
  UCR85245  Pterostegia drymarioides A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15991 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR87623  Pterostegia drymarioides A. C. Sanders 1994-5-30 14611 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR18860  Pulicaria paludosa John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs Comment
  HSC25805  Purshia tridentata var. glandulosa Richard Spjut 1972-3-13 2265 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  JOTR30779  Purshia tridentata var. glandulosa La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1889 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 7) Covington Flats near top of Smith Water Canyon 1365 Comment
  JOTR31120  Purshia tridentata var. glandulosa La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2503 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  UCR278566  Quercus Mitch Provance 2012-9-5 912- 16 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  SBBG119788  Quercus X munzii D. H. Wilken 2005-10-1 Riverside Live Oak Tank, ca. 1 km NE of Jumbo Rocks 1290 Comment
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Nov 6 2011
  UCD47065  Quercus X munzii Alan D. Eliason; James R. Youse 1966-1-17 s.n. Riverside Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
  UCR270755  Quercus agrifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8368 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR158900  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31551 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  SD187417  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05 594 Riverside San Jacinto Mountains, San Bernardino National Forest, 0.7 miles west of Santa Rosa Mountain Rd. on SR 74 near Vandventer Flat 1367 Comment
  UC219580  Quercus agrifolia var. oxyadenia P. A. Munz 1922-7-3 5955 Riverside Vandeventer Flat San Jacinto Mt. 1371 Comment
  RSA617442  Quercus berberidifolia Scott D. White 1997-2-9 4683 Riverside Peninsular Range Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden. 370 Comment
  SD152835  Quercus berberidifolia Steve Boyd, Tim Ross 1992-5-5 7218 Riverside Southern Santa Ana Mountains, San Mareo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero, in chaparral & oak woodland borders 730 Comment
  UCD105640  Quercus berberidifolia K. M. Meyer; A. Townesmith, T. Scott 2007-3-18 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd., S of Lake Hemet, from Rt. 74. 1467 Comment
  UCR250923  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 3 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR53306  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  JEPS37489  Quercus chrysolepis W. L. Jepson 1903-8-5 2266 Riverside above Strawberry Valley; San Jacinto Mt. 1676 Comment
  UC5523  Quercus chrysolepis H. M. Hall 1901-6 Riverside near Tauquitz; San Jacinto Mountains 2133 Comment
  JOTR36417  Quercus cornelius-mulleri La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3363 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  SBBG55971  Quercus cornelius-mulleri C. H. Muller, K. K. Muller 1983-4-15 11764 Riverside 0.5 mi S of Sage Forest Fire Stn, 13.4 mi S of Hemet 1639 Comment
  UCR270569  Quercus palmeri John F. Emmel 2001-8-5 1748 Riverside San Jacinto Mtns., Pine Meadow area, SE end of Garner Valley, 1.0 road mile east of junction of Devils ladder Rd and Hwy 74 1448 Comment
  CAS-BOT-BC134752  Quercus wislizeni H. M. Hall 1898-4-23 3779 Riverside Lyttle Creek Canon [canyon] Comment
  RSA783155  Quercus wislizeni J. D. Olmsted 1962-5-3 3501 Riverside 5 degree S slope with south population of Quercus keloggii on Thomas Mt. 1768 Comment
  POM212006  Quercus wislizeni var. frutescens Carl B. Wolf 1931-10-14 2453 Riverside Snow Creek, 100yds above the Fish Hatchery, north base of San Jacinto Mts. 610 Comment
  UCR169241  Quercus wislizeni var. frutescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 82 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 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
  UCR158717  Rafinesquia californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30017 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
  UC1595583  Rafinesquia neomexicana W. Wisura, J. Dolan, and C. Demme 1992-4-13 4685 Riverside Low Desert: Wileys Well Road, 2.7 mi S prison. Comment
  SEINET13717527  Ranunculus aquatilis Unknown 1969-5-15 3226 Riverside 6 miles W. of Murrieta on Santa Rosa Plateau at Tenaja Lake; ca. 2 mi. E. of Tenaja Forest Station Comment
  RSA206503  Ranunculus aquatilis var. capillaceus E. W. Lathrop 1968-5-15 6883 Riverside 8 miles W of Murrieta; Redonda Mesa, Santa Rosa Plateau 610 Comment
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Jun 24 2012
  CAS-BOT-BC378984  Ranunculus aquatilis var. diffusus P. A. Munz 1922-4-28 5022 Riverside 5 mi northwest of Corona in small branch of Chino Creek 229 Comment
  RSA0005415  Ranunculus californicus var. austromontanus P. A. Munz 1927-5-21 10892 Riverside Coahuila Valley. 1372 Comment
  RSA0036812  Raphanus sativus Robert MacGregor 1984-5-19 5 Riverside Lake Elsinore, CA Hwy 74, 1 mi W of junction with 15E Freeway, N side of road. Comment
  RSA482865  Raphanus sativus N. C. Cooper 1944-5-21 1272 Riverside San Jacinto Mountains, West side 915 Comment
  RSA690937  Rhamnus crocea Scott D. White, Michael Honer 2003-5-27 9411 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  SD225089  Rhamnus crocea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19877 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road. 456 Comment
  RSA381079  Rhamnus ilicifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61182 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA391105  Rhamnus ilicifolia Gale Sphon 1955-5-7 s.n. Riverside Elsinore Mnt. , Horsethief Canyon, Santa Ana Mtns. Comment
  RSA505024  Rhamnus ilicifolia D. Charlton 1988-5-21 1909 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA552764  Rhamnus ilicifolia Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6750 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UC592933  Rhamnus ilicifolia Carl B. Wolf 1932-5-25 Riverside n of Banning (Gilman Ranch in the foothills) 853 Comment
  UC456171  Rhododendron occidentale I. J. Condit 1910-6-23 Riverside San Jacinto Mountains 2590 Comment
  UCD116938  Rhus ovata T. B. Salvato; Kent Beaman 2005-5-16 880 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR120945  Rhus ovata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24918 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR23275  Rhus ovata John C. Roos 1950-10-15 5007 Riverside San Bernardino Mtns., Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line 612 Comment
  UC63999  Rhus trilobata H. M. Hall 1897-5-19 559 Riverside vicinity of Chalk Hill; San Jacinto Mountains Comment
  POM306650  Ribes indecorum Henry J. Ramsey, Mrs. Ramsey 1938-4-23 1505 Riverside Santa Rosa Mtns. Comment
  RSA38708  Ribes indecorum Percy C. Everett 1945-6-7 11501 Riverside Indian Canyon, along Indian Canyon Truck Trail. 777 Comment
  RSA577519  Ribes indecorum D. L. Banks, Steve Boyd 1995-2-16 0047 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 731 Comment
  RSA0022087  Ribes montigenum F. W. Peirson 685 Riverside Summit of Mt. San Jacinto. 3262 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
  UC974961  Ribes roezlii P. A. Munz and I. M. Johnston 1922-5-19 5395 Riverside Keen Camp San Jacinto Mts. 1463 Comment
  RSA162822  Ribes speciosum J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in west Corona, after 3 miles turn W on Chase Dr, s on Oak flat fire road for 4 miles past Olive trees at Oak Flat, Santa Ana Mts. 823 Comment
  UCR275362  Ricinus communis T. B. Salvato, Melissa Clemons 2005-6-9 1505 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA618368  Romneya coulteri var. trichocalyx D. L. Banks 1997-6-16 2060 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Pechanga Road, approximately 20 m south of the intersection of Hunter Lane and Moreno Road. 377 Comment
  UCR155937  Rorippa nasturtium-aquaticum John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA727336  Rorippa palustris subsp. occidentalis Fred M. Roberts, Sandra Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon: Santa Ana River, across from Green River Golf Course, 0.15 km W Green River Road Bridge. 128 Comment
  LA37948  Rubus parviflorus Carl Epling; 1938-8-14 sn Riverside San Jacinto Mountains, N fork, San Jacinto River Comment
  POM366415  Rubus parviflorus M. B. Dunkle 1933-7-21 3731 Riverside Idyllwild. 1616 Comment
  UCSB37348  Rubus parviflorus Roos, John 1965-7-3 Riverside Dark Canyon, San Jacinto Mtns Comment
  HSC86139  Rumex acetosella B. Freeman 1969-6-28 6906284 Riverside University of California James Reserve, East of stream nearest gate, along road Comment
  SD51953  Rumex acetosella Reid Moran 1962-7-7 9862 Riverside By Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  RSA737432  Rumex crispus Justin M. Wood 2008-8-31 124 Riverside [Perris Basin:] Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  RSA221061  Rumex crispus E. W. Lathrop 1966-5-8 6412 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  CAS-BOT-BC433585  Rumex hymenosepalus Scott D. White 1996-4-14 3910 Riverside Perris Basin, W Riverside Co. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 550 Comment
  UC6968  Rumex salicifolius var. salicifolius H. M. Hall 1901-7-1 2474 Riverside Tauquitz Valley San Jacinto Mountains 2743 Comment
  UC850653  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1935-8-21 6601 Riverside Fuller Creek 1500 Comment
  JEPS65654  Rupertia rigida Marjorie D. Clary 1932-7-4 993 Riverside road to Burnt Valley (Santa Rosa Mountains); Santa Rosa Mountains 1371 Comment
  SDSU7073  Salazaria mexicana Gerald Collier 1951-5-27 M 440 Riverside Rocky slope 10 yards from roadside State Hwy 74, 4 miles east of Pinon Flats, San Jacinto Mtns. Comment
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Jan 30 2013
  UCR85247  Salazaria mexicana A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15988 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR85274  Salazaria mexicana Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  POM248440  Salix exigua Philip Crow 1939-7-13 s.n. Riverside Blythe. Comment
  POM296373  Salix exigua Lyman D. Benson 1945-4-6 11662 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 Comment
  POM319274  Salix exigua Patricia Wilder 1971-3-20 4907 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  RSA586038  Salix exigua D. L. Banks, Steve D. Boyd 1995-3-16 91 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 512 Comment
  RSA0010966  Salix exigua var. exigua Mary F. Spencer 1918-4-7 812 Riverside Palm Springs. 168 Comment
  CAS-BOT-BC108105  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside In sandy alkali loam of overflow land back of Colorado River, about 800 m. from State Inspectoin Station, on way to Blythe Bridge. 90 Comment
  SBBG119116  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St 402 Comment
  UC482397  Salix gooddingii unknown 1932-6-5 925 Riverside Eagle Canyon; Colorado Desert, Santa Rosa Mts., Eagle Canyon Comment
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Mar 11 2011
  UC483056  Salix gooddingii F. R. Fosberg 1932-3-13 8065 Riverside Upper Palm Grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  UCD111137  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. Comment
  UC5016  Salix lasiandra subsp. lasiandra H. M. Hall 1906-7-20 2510 Riverside Strawberry Creek San Jacinto Mts., Strawberry Creek 1584 Comment
  RSA552716  Salix lasiolepis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6685 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCSB1715  Salsola tragus Ballard 1954-10-30 Riverside 3 mi. south of Chino's Men Reform Institute 198 Comment
  RSA470153  Saltugilia australis Ora M. Clark 1929-2-22 1584 Riverside E. of Whitewater, Colorado Desert. Comment
  UC455468  Saltugilia splendens subsp. splendens I. J. Condit 1910-6-22 Riverside San Jacinto Mts. Comment
  IRVC2065  Salvia apiana R. H. Whittaker, W. A. Niering 1963-6-6 SJ 248 Riverside 5509, Bee Canyon. San Jacinto Mountains 610 Comment
  UC534838  Salvia apiana Victor Duran 1933-7-1 3491 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  UCR234759  Salvia apiana A. C. Sanders, John F. Green 2012-6-25 40314 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  UCR41318  Salvia apiana N. M. Fellows, A. C. Sanders 1985-5-7 175 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
  RSA733973  Salvia carduacea Keith E. Hoffmaster 1937-6-6 762 Riverside Near Valle Vista, Hemet Valley. Comment
  POM10197  Salvia columbariae P. A. Munz 1921-4-30 4501 Riverside Pinyon Wells 1220 Comment
  RSA314624  Salvia columbariae Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55414 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA401482  Salvia columbariae Robert M. Perkins 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  RSA554299  Salvia columbariae Dave Kelly 1992-3-11 92 -13 Riverside Hwy I-10, ca. 20 mi E of Indio. Comment
  RSA766613  Salvia columbariae Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 173 Riverside Mecca Hill Wilderness. Wash Route off Hwy 195/ Box Canyon Rd. Near wilderness boundary. 366 Comment
  UCD125516  Salvia columbariae C. L. Hitchcock 1966-3-15 24155 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR216409  Salvia columbariae Michael L. O'Leary 2008-4-16 07 Riverside Little San Bernardino Mtns., Eureka Peak, Joshua Tree National Park, almost on the San Bernardino Co. line 1671 Comment
  UCSB44881  Salvia columbariae Collins, Elizabeth 1977-3-30 Riverside Corn Springs Campground; 8 miles south of Hwy. 10; base of Chuckwalla Mts 457 Comment
  SEINET10902657  Salvia columbariae A. Evans 1976-4-13 Evans 5189 Riverside Desert canyons of santa rosa mtns. Comment
  SEINET12273157  Salvia greatae P. H. Raven 1958-1 12907 Riverside E of Coachella Canal 3.6 mi on road up S side of Orocopia Mountains 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
  UC1929897  Salvia mellifera Scott D. White, Angelia Carey 2004-7-2 10588 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UC63771  Salvia mellifera H. M. Hall May 1899 Riverside Reche Canyon Comment
  UCR140324  Salvia mellifera A. C. Sanders 2004-5-12 27892 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA785973  Salvia mohavensis Doris Bowers 1978-3-19 2534 Riverside Wild Horse Canyon 1280 Comment
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Apr 7 2013
  CAS-BOT-BC233335  Salvia vaseyi S. B. Parish 1907-4-22 6164 Riverside Palm Canyon, western base of the Colorado Desert 200 Comment
  SDSU13668  Sambucus nigra subsp. caerulea W. Miller, C. Mosse 1972-8-9 Riverside Comment
  RSA747959  Sanicula bipinnatifida Justin M. Wood 2009-5-11 708 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR48482  Sanicula bipinnatifida Steve Boyd 1986-4-2 1582 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR155296  Sarcostemma cynanchoides T. B. Salvato, Kent Beaman 2005-5-16 791 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR16094  Sarcostemma cynanchoides M. J. Arbaugh 1978-4-29 s.n. Riverside Western Colorado Desert, N of Mecca, 1 mi. N on Painted Canyon Road Comment
  UCR163082  Sarcostemma hirtellum B. G. Pitzer 2000-5-7 4139 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR189575  Satureja chandleri Amy Rowland 2007-4-26 58 Riverside Peninsular Range, Santa Rosa Plateau east slope of Mesa de Burro off of Guava Rd 349 Comment
  UCR21988  Schinus molle Steve Boyd 1980-7-20 340 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC239933  Schismus arabicus Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6464 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  RSA0042170  Schismus arabicus Duncan S. Bell, Evan Meyer 2014-4-2 6516 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  CLARK-A1656-759  Schismus barbatus Theo Glenn 1979-3-11 Riverside San Jacinto Mountains Comment
  JOTR33989  Schismus barbatus La Doux, Tasha, M. Harding 2010-4-7 2877 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  JOTR37757  Schismus barbatus Hodges, Stephen R. 2016-2-29 713 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  RSA757739  Schismus barbatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4308 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
  RSA784744  Schismus barbatus Duncan S. Bell 2012-2-12 3089 A Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG34679  Schismus barbatus T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UCR278558  Schoenoplectus Mitch Provance 2012-9-5 912- 11 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  RSA162800  Schoenoplectus maritimus J. D. Olmsted 1959-9-23 1021 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  CAS-BOT-BC140674  Scirpus acutus A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA575834  Scirpus acutus var. occidentalis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of ''Estelle Creek'' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain. 317 Comment
  POM49847  Scirpus microcarpus Phillip A. Munz, I. M. Johnston 1924-7-29 8885 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA425199  Scrophularia californica subsp. floribunda Bonnie C. Templeton 1930-4-15 1480 Riverside North of Gavilan Peak. 550 Comment
  SD146145  Scrophularia californica subsp. floribunda Mitch Provance 1998-6-10 634 Riverside City of Riverside: east side of Pachappa Hill, as acessed from where panorama road crosses the 91 freeway 305 Comment
  UCR281534  Scrophularia californica subsp. floribunda Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 85 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  SEINET7048159  Scrophularia californica subsp. floribunda Steven R. Hill 2001-5-3 33660 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
  UCR195125  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35957 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR147743  Scutellaria mexicana Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11258 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  RSA740624  Scutellaria siphocampyloides Scott D. White, Justin M. Wood 2008-7-8 12378 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA747868  Secale cereale Justin M. Wood 2009-5-11 701 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCD92559  Secale cereale R. N. Raynor 1938-6-20 s.n. Riverside Herky Creek. Comment
  POM9818  Selaginella bigelovii Edmund C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon, 4 miles west of San Jacinto 548 Comment
  CAS-BOT-BC62087  Selaginella eremophila Louis C. Wheeler 1933-12-2 2299 Riverside Tahquitz Canyon, San Jacinto Mts. 243 Comment
  SEINET7073432  Senecio californicus A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  OBI37520  Senecio douglasii var. douglasii Steve Boyd 1985-8-7 1113 Riverside Santa rosa Plateau Region. Clinton Keith Rd, 1.7 mi E of gate to The Nature conservency Preserve Comment
  RSA735230  Senecio flaccidus Scott D. White, Angelia Carey 2004-6-4 10479 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 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
  RSA472962  Senecio flaccidus var. douglasii Erwin Miller, Jack Reupelt 1934-4-28 s.n. Riverside Pass between Lost Horse and Pleasant Valley. 1220 Comment
  SD137853  Senecio flaccidus var. douglasii Darin L. Banks, Steve Boyd 1995-5-17 448 Riverside Agua Tiobia Mountains; north face of Agua Tibia Mountain, east of the Dripping Springs Alcove. 594 Comment
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May 20 2013
  UCR235081  Senecio flaccidus var. douglasii A. C. Sanders, John F. Green 2012-6-1 40232 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  RSA612926  Senecio ganderi D. L. Banks 1997-3-29 1650 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 463 Comment
  SD258341  Senecio mohavensis J. M. Andre 2013-3-4 23874 Riverside Parker SW; Riverside Mountains; east side of range, along rocky dirt road to historic mine are, 0.8 mi west of Hwy 95, approx 12 mi south of Vidal Jct 127 Comment
  UCR52152  Senecio mohavensis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2197 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  POM187382  Senna armata E. Crow 1930-5-17 s.n. Riverside Shavers Well Comment
  RSA695427  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  UCR18997  Sesbania herbacea John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 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
  SEINET7295535 Image available Setaria adhaerens Malcolm A. Nobs, S. Galen Smith 1948-1 492 Riverside Citrus grove, 2 miles north of Indio Comment
  UCR522  Setaria parviflora Frank C. Vasek 1959-7-17 590717- 10 Riverside Riverside, residential garden of F.C. Vasek, 636 Sandalwood Court 335 Comment
  UCR116849  Sidalcea malviflora A. C. Sanders, Steven R. Hill 2001-5-4 24143 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR169473  Sidalcea malviflora 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
  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
  POM13244  Silene antirrhina P. A. Munz, I. M. Johnston 1922-5-19 5357 Riverside 5 miles NE of Murietta. 457 Comment
  RSA543888  Silene antirrhina Steve Boyd 1991-5-20 6262 Riverside Temescal Ca