Search Results — 2000 specimen records retrieved (1904 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD126093  Abronia villosa Lyman Benson 1949-3-28 13582 Riverside 1.0 mile north of Palm Springs, from east end of Pines to Palms Highway, Santa Rosa Mountains. 99 Comment
  SDSU8419  Abronia villosa A. H. Gallup 1949-3-28 399 Riverside On desert floor 2 miles south of Palm Springs. 91 Comment
  RSA461038  Abronia villosa var. aurita N. C. Cooper 1944-4-23 1104 Riverside Cabazon. 457 Comment
  RSA461201  Abronia villosa var. aurita N. C. Cooper 1944-7-15 1592 Riverside Palms to Pine Hwy 1463 Comment
  UCR248052  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  JOTR28915  Abronia villosa var. villosa La Doux, Tasha, Bill Truesdell 2004-3-11 1150 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 533 Comment
  RSA750537  Acamptopappus sphaerocephalus Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12587 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  RSA416167  Acamptopappus sphaerocephalus var. sphaerocephalus Robert Gustafson 1980-5-5 1575 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  CAS-BOT-BC330625  Acer glabrum var. diffusum H. M. Hall 1901-7-1 2602 Riverside San Jacinto Mountains. Tamarack Valley 2286 Comment
Read comments
Jul 23 2018
  CAS-BOT-BC331638  Acer macrophyllum B. D. Stark 1930-2-21 1474 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  UC91276  Achillea millefolium A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. 2590 Comment
  RSA770885  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4588 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET1909738 Image available Achnatherum hymenoides Sarah De Groot, Mark Porter 2006-1 5198 Riverside North foot of San Jacinto Mountains, between Snow Creek and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  POM122371  Achyronychia cooperi Marcus E. Jones 1925-4-24 s.n. Riverside Banning. Comment
  RSA423490A  Achyronychia cooperi Howard Mullins 1931-4-11 s.n. Riverside Palm Springs (3 miles no.) Comment
  RSA784742  Achyronychia cooperi Duncan S. Bell 2012-2-12 3087 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCD77301  Achyronychia cooperi Robert E. Preston 1997-11-11 1063 Riverside east edge of Palo Verde Mesa 99 Comment
  JOTR34088  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  SDSU12235  Acmispon glaber var. brevialatus Tahirih Linz, M. G. Simpson 2000-4-1 3 Riverside Comment
  SD224963  Acmispon strigosus G. K. Helmkamp 1998-4-3 3080 Riverside Snow Creek area N of Mt. San Jacinto; at edge of stream S of Snow Creek Rd at a point 1.4 mi. S of CA Hwy 111. 395 Comment
  SFV17338  Acmispon strigosus J. N. Hogue, J. D. Dilley 1998-4-23 108 .21 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UCR245229  Acmispon strigosus Jim Andre 2012-3-19 21317 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  SEINET6654145  Acourtia microcephala Scott D. White, Justin M. Wood 2008-6-18 12202 Riverside Hiking tail from K flat to Apple Canyon Rd.; 0 Comment
  UCR154623  Acourtia microcephala A. C. Sanders, Mike Misenhelter 2005-6-15 30990 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR71763  Acrachne racemosa L. F. LaPre, Megan Phillips 1991-9-9 91- 18 B Riverside Sonoran (Colorado) Desert, Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
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Sep 10 2011
  CAS-BOT-BC167003  Adenostoma fasciculatum A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37809 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
  UCR137562  Adenostoma fasciculatum A. C. Sanders 2004-5-5 27761 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR153365  Adenostoma fasciculatum LeRoy Gross, Valerie Soza 2003-5-8 829 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA711115  Adenostoma sparsifolium M. Wall, Del Wiens, Clyde Calvin 2005-12-4 409 Riverside At highway maintenance dirt road jct. along Highway 243, ca. 2.5 miles N. of Mountain Center. 1524 Comment
  CAS-BOT-BC69643  Adiantum capillus-veneris Dr. Emmet Rixford 1917-4-17 s.n. Riverside Coachella Valley. Comment
  POM13637  Adiantum capillus-veneris E. C. Jaeger 1922-4-15 1037 Riverside Eagle Canyon, 5 miles south-east of Palm Springs. Comment
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Aug 3 2011
  OBI6574  Agave deserti H. E. McMinn 1935-10-27 4047 Riverside E of Ribbonwood Palms to Pines Hwy Comment
  UCR80813  Agoseris grandiflora Scott D. White 1993-5-29 1468 Riverside San Bernardino Mtns., Big Oaks Canyon, Yucaipa Ridge 1835 Comment
  SD262155  Agrostis Jim Andre 2012-6-15 30520 Riverside San Jacinto Mountains: San Bedrnardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat (Lake Fulmor 7.5'Q) 1309 Comment
  RSA681917  Agrostis pallens Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 s.n. Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UC1931215  Agrostis stolonifera Scott D. White, Justin Wood 2008-7-9 12405 Riverside SAN JACINTO MTS: Johnson Meadow Comment
  UCR43548  Aira caryophyllea R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60656 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: edge of Cleveland National Forest 610 Comment
  RSA703739  Aliciella latifolia LeRoy Gross 2005-3-3 1559 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCD117504  Aliciella latifolia James Henrickson 1963-3-29 1198 Riverside 9 miles E of Mecca, along Highway 195. 182 Comment
  POM98787  Aliciella latifolia P. A. Munz 1926-1-31 9967 Riverside Dos Palmas Spring Comment
  RSA696214  Allenrolfea occidentalis Keith E. Hoffmaster 1928-12-29 s.n. Riverside 9 mi from Dos Palmas Comment
  UCR74357  Allionia incarnata Theo Glenn 1991-4-30 91- 64 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  UCR90327  Allionia incarnata Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  RSA778399  Allionia incarnata Amber Swanson 2011-10-9 650 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  RSA715375  Allium A. C. Sanders 1999-4-28 22709 -B Riverside Riverside, UCR Botanic Garden. 351 Comment
  UCR281233  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 49 Riverside Temescal Valley, Southern foot of the Gavilan Hills, vicinity of Black Powder Rd., slopes adjacent to N side of the horse track 393 Comment
  RSA673502  Allium munzii Scott D. White, K. Campbell, John Resek 2000-4-26 7736 Riverside Low hill west of intermittent channel (drains Walker Canyon). SW of Collier Ave. and NW of Riverside Dr. 381 Comment
  CAS-BOT-BC132018  Allium parishii John H. Thomas 1957-3-30 6577 Riverside Joshua Tree National Monument, about 3 miles southeast of White Tank near the road to Cholla Cactus Garden, about 20 miles northeast of Indio 883 Comment
  JOTR30919  Allium parishii La Doux, Tasha, Bill Truesdell 2008-4-29 2595 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 7) 1208 Comment
  UCR101432  Allium peninsulare A. C. Sanders 1997-4-10 20334 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  RSA663323  Allium praecox Mitch Provance 1998-3-7 149 Riverside Jurupa Mountains: Rattlesnake Mt.'', ca. 0.5 km E of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 335 Comment
  UCR112388  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside Riverside, yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
  SEINET2444451  Allophyllum glutinosum Leigh A. Johnson 1997-6-20 97 -103 Riverside San Jacinto Mtns. At jct. of Hwy 243 and Black Mtn. Campgroup road. Comment
  RSA12958  Allophyllum glutinosum P. A. Munz, I. M. Johnston 1922-5-21 5530 Riverside Hemet Valley, San Jacinto Mts. 1448 Comment
  RSA653141  Alternanthera philoxeroides J. Zamora, Al Acosta 1999-9-29 s.n. Riverside Riverside: Santa Ana River, under the NW end of the Market St. bridge. 244 Comment
  JOTR32108  Amaranthus albus Harding, Mitzi, Kipp Callahan 2012-8-27 283 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  JOTR32461  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2606 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
  HSC82841  Amaranthus arenicola A. C. Sanders 1985-8-24 5949 Riverside Near Oasis in the lower Coachella Valley, on the E side of Hwy. 195, ca. 0.5 mi. N of the intersection with Hwy. 86 and just N of Ave. 76 -52 Comment
  UCR263225  Amaranthus blitoides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41467 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR21773  Amaranthus caudatus S. Day 1980-9-4 s.n. Riverside private residence in Riverside Comment
  UCR115150  Amaranthus cruentus Mitch Provance 2000-12-11 2285 Riverside Riverside, UCR Botanic Garden, gully on east fence SE of the herb garden 366 Comment
  RSA780557  Amaranthus palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 124 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  SD251167  Amaranthus palmeri Duncan S. Bell, John Anderson, et al. 2013-9-28 6020 Riverside Chuckwalla Valley; ca. 22.25 air miles west of Blythe, south side of Ford Dry Lake, ca. 0.5 air mile southeast of Hopkins Well. 106 Comment
  UCR113869  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside, Hillside area, along the south side of Dewey St., between Streeter Ave. and Palm Ave. 238 Comment
  SD236158  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Peninsular Range; San Jacinto Mtns.: Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  HSC92618  Amaranthus retroflexus J. J. Jimenez-Osornio 1986-11-6 2 Riverside Corona 186 Comment
  JEPS40939  Ambrosia acanthicarpa Marjorie D. Clary 1932-10-2 1572 Riverside 6 mi w Indio; Colorado Desert, Point Happy 30 Comment
  RSA588803  Ambrosia acanthicarpa Darin L. Banks, Steve Boyd 1995-10-17 0756 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UC1518845  Ambrosia acanthicarpa Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55355 Riverside near, in wash between new and old hwy bridges and along Whitewater River Whitewater Post Office; San Bernardino Mts., Whitewater River, Whitewater Canyon 411 Comment
  UCD128860  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs. 152 Comment
  UCR132701  Ambrosia confertiflora A. C. Sanders 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  CAS-BOT-BC22616  Ambrosia dumosa Ira L. Wiggins 1941-3-24 9575 Riverside Along eastern side of the Salton Sea, 2.7 miles S of Mortmar Comment
  RSA696750  Ambrosia dumosa J. Russell Bruff 1928-4-1 75 Riverside Whitewater Comment
  SFV21963  Ambrosia ilicifolia J. N. Hogue 2011-3-27 376 .3 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash at Corn Springs. 490 Comment
  POM249858  Ambrosia psilostachya E. C. Jaeger 1938-10-30 s.n. Riverside Mecca. -30 Comment
  SEINET12812621  Ambrosia salsola Chris Dietrich, M. Merello & H. Schmidt 1994-1 26 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. 358 Comment
  SEINET6734892 Image available Ambrosia salsola I. W. Clokey 1936-4-17 6985 Riverside Cottonwood Springs Comment
  UC51611  Ambrosia salsola var. salsola Jos. Burtt Davy 1902-3-25 7938 Riverside Indio Comment
  RSA783163  Amelanchier pallida J. D. Olmsted 1962-5-3 3515 Riverside Intersection of Pines to Palms Hwy and south access road to Thomas Moutain 1387 Comment
  POM265819  Ammannia coccinea J. C. Roos 1937-6-7 2401 Riverside S base of Jackrabbit Trail, San Jacinto Valley Comment
Read comments
Mar 20 2011
  UCR189542  Ammannia coccinea Fred M. Roberts, S. Leatherman 2007-9-19 6579 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SD119926  Amorpha fruticosa Louis B. Ziegler 1967-9-6 237 Riverside San Jacinto Mountains, Quinn Flats region, along dry stream beds 1370 Comment
  UCSB26801  Amorpha fruticosa Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mtn., 4.0 miles east of California State Highway 74, Santa Rosa Mtns. Comment
  UCR263235  Amsinckia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41455 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  SDSU18970  Amsinckia intermedia C. Matt Guilliams 2008-2-21 468 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. 449 Comment
  UCR93052  Amsinckia intermedia Steve Boyd 1986-4-2 1618 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR97027  Amsinckia intermedia Scott D. White 1997-2-28 4707 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  SEINET3083516 Image available Amsinckia menziesii J. Hirshberg 1989-5-20 Riverside Santa Rosa Plateau, S of town of Murrieta; SW of Mesa de Burro. Comment
  JEPS61106  Amsinckia menziesii var. menziesii W. L. Jepson 1939-4-17 19123 Riverside 2 mi s on Road to Temecula Corona Comment
  SD244092  Amsinckia retrorsa A. C. Sanders, Timothy W. Chumley 2013-3-28 40708 Riverside Peninsular Range: Alberhill, along Lake Street, 1.45 km south of I-15 near old clay mines (Alberhill 7.5'Q) 395 Comment
  RSA651009  Amsinckia tessellata Marion P. Harthill 1973-2-17 1568 Riverside Snow Creek, Palm Springs 366 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
  JOTR32441  Amsonia tomentosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2345 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
  POM115624  Amsonia tomentosa var. tomentosa A. M. Alexander, Louise Kellogg 1941-4-29 2102 Riverside Ten miles south of 29 Palms. 1159 Comment
  UCR173931  Ancistrocarphus filagineus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32563 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 587 Comment
  RSA342553  Andropogon glomeratus R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54093 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  CAS-BOT-BC137812  Andropogon glomeratus var. scabriglumis Catherine Best 1999-2-7 1505 Riverside Growing along the creek in Andreas Canyon, near Palm Springs. Comment
  UCR244405  Anisocoma acaulis Jim Andre 2012-4-16 20955 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
  SEINET3145663  Antennaria rosea subsp. rosea H. M. Hall 2401 Riverside Tamarack Valley 2835 Comment
  RSA36569  Antirrhinum coulterianum Sara M. Schenck 1941-5-30 s.n. Riverside East side of Quail Mt. Comment
  UCR281002  Antirrhinum coulterianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 57 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 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
  RSA0125282  Antirrhinum filipes Duncan S. Bell 2016-3-4 8787 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA425813  Antirrhinum filipes R. S. Woglum 1940-3-17 2498 -a Riverside Thousand Palms Canyon (north-central) Comment
  SD136754  Antirrhinum kelloggii Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside San Mateo Canyon Wilderness Area. Indian Potrero Trail from Verdugo Potrero to Indian Potrero Trail on ridge between Talega Canyon and Nickel Canyon 609 Comment
  CLARK-A1528-4167  Antirrhinum nuttallianum John C. Roos 1965-10-19 Riverside Reche Canyon Comment
  RSA523366  Antirrhinum nuttallianum subsp. nuttallianum G. H. True 1935-4-17 242 Riverside Mockingbird Canyon. 457 Comment
  RSA613147  Aphanes occidentalis D. L. Banks 1997-3-29 1655 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
  JEPS100902  Apiastrum angustifolium Dean W. Taylor 1998-5-13 16433 Riverside Aguanga Valley, mouth of Temecula Creek, on hillslopes just south of Highway 79 609 Comment
  RSA674534  Apiastrum angustifolium Scott D. White, Sandy Leatherman 2000-5-31 7992 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UC697754  Apium graveolens Kay H. Beach 1942-10-22 1661 Riverside 3 mi nw city limits of Corona (along Chino Creek); Chino Creek 198 Comment
  RSA335037  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
  UC878883  Apocynum cannabinum C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp and Fuller's Mill (Mt. San Jacinto); Mt. San Jacinto Comment
  RSA477448  Arabis glaucovalvula E. C. Jaeger 1922-4-22 s.n. Riverside Keyes Ranch. Comment
  RSA358583  Arceuthobium campylopodum Larry E. DeBuhr 1972-3-23 515 Riverside Santa Rosa Mts; San Bernardino National Forest; northwest of Santa Rosa Pk. 2317 Comment
  RSA629174  Arctostaphylos Jon E. Keeley 1992-7-17 16793 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 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
  RSA629387  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-4-17 15088 Riverside End of Woodchuck Rd., Woodchuck Resort. 2 km south of Hwy 79 (Vail Lake Quadrangle) 204 Comment
  RSA629459  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16815 Riverside Rd. to Thomas Mtn. (5S15), 11 km north of Toolbox Spring. San Jacinto Mtns. 1520 Comment
  POM254953  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 1098 Comment
  RSA1555  Arctostaphylos glandulosa subsp. zacaensis J. T. Howell 1928-7-8 1053 Riverside Santa Ana Mountains above Glen Ivy 1524 Comment
  UC1120233  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1936-8-28 676 Riverside 3 1/2 mi s Rayneta; San Bernardino National Forest, Riverside Quadrangle Comment
  UC922081  Arctostaphylos glandulosa subsp. zacaensis Frank W. Gould 1943-4-18 2134 Riverside mt. slopes 8 mi e Idlewild Comment
Read comments
Sep 29 2011
  RSA631717  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19296 Riverside Highway 79, at Radec. 580 Comment
  RSA631819  Arctostaphylos glauca Jon E. Keeley 1976-9-7 6028 Riverside About 8 km west of Lake Elsinore. 660 Comment
  POM3277  Arctostaphylos glauca var. glauca I. M. Johnston 1918-4-27 1879 Riverside near Temecula 366 Comment
  RSA633571  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21776 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633595  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16702 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633603  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22514 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633618  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16681 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633671  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20159 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633759  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22652 Riverside Road to Santa Rosa Mountain. 2000 Comment
  SEINET5539347  Arctostaphylos pringlei R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians, W 25d slope. 1524 Comment
  CAS-BOT-BC44328  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Rocky ridges near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  POM367419  Arctostaphylos pringlei subsp. drupacea Gale Sphon 1955-5-21 s.n. Riverside One mile north of Lake Fulmore Comment
  SDSU2823  Arctostaphylos pringlei subsp. drupacea Bruhns 1965-5-22 110 Riverside Around girl's dormatory of Desert Sun School in Idyllwild. Comment
  UC527225  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  CAS-BOT-BC46338  Arctostaphylos pungens Peter H. Raven 1959-5-18 14242 Riverside Lake Fulmor, San Jacinto Mts. Comment
  RSA636014  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18803 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636175  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19478 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  SD180725  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 409 Riverside Santa Margarita Ecological Reserve, on ridgeline above the Santa Margarita River to the south. 299 Comment
  UC1605406  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Fisherman's Camp, upper end of Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) W into Tenaja Canyon at its confluence with San Mateo Canyon Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, C Comment
  UCR274184  Arctostaphylos rainbowensis Dick Newell, Judy Booth 2015-10-25 413 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.62 miles SSE of Hacienda Rd., 0.68 mile NW of Elsinore Peak 932 Comment
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Mar 1 2020
  CAS-BOT-BC207127  Argythamnia lanceolata S. B. Parish 189 (year not completed on sheet) 4141 Riverside Palm Springs, Colorado Desert Comment
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Sep 11 2019
  CAS-BOT-BC137644  Aristida adscensionis Peter H. Raven 1958-3-15 11850 Riverside Box Canyon. Comment
  JOTR31777  Aristida adscensionis La Doux, Tasha, Jim Andre 2009-3-10 386 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA774926  Aristida adscensionis Duncan S. Bell 2011-4-7 2166 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
  RSA788433  Aristida adscensionis Jim Andre 2011-2-9 15906 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
  UCR180225  Aristida adscensionis Scott D. White, Pam Devries 2006-3-14 11251 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  CAS-BOT-BC137654  Aristida adscensionis J. A. Ewan 1932-4-11 7089 Riverside Santa Rosa Mountains. Martinez Canyon. 365 Comment
  JOTR00870  Aristida adscensionis Sipe, Frank 1958-3-10 277 Riverside Joshua Tree National Park. PINTO BASIN Comment
  SEINET10467837  Aristida adscensionis David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3749 Riverside Grass. Found growing in a wash. Indio hills, colorado desert. Near pushawalla. Comment
  UCR157594  Aristida purpurea A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16181 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  CAS-BOT-BC137592  Aristida purpurea var. fendleriana Peter H. Raven 1958-5-18 13003 Riverside San Jacinto Mountains. Pinyon Flats. Comment
  UCR112019  Aristida purpurea var. nealleyi A. C. Sanders, E. J. Lawlor 1992-4-4 12119 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR76179  Aristida purpurea var. nealleyi Scott Holbrook 1993-4-27 s.n. Riverside San Jacinto Mtns., Chino Canyon 610 Comment
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Sep 3 2011
  UC815721  Aristida purpurea var. parishii P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4906 Riverside vicinity of Corn Springs (Chuckwalla Mts.); Colorado Desert, Chuckwalla Mts. 609 Comment
  RSA778133  Artemisia californica Thomas Stoughton, E. Gardner, Duncan S. Bell 2010-11-12 718 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 732 Comment
  UC101099  Artemisia californica Vernon Bailey 1907-10-24 Riverside Cabazon Comment
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Mar 13 2011
  UCR34917  Artemisia californica L. B. Ziegler 1967-9-18 244 Riverside San Jacinto Mtns, Bautista Canyon 673 Comment
  SD152958  Artemisia douglasiana Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7662 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  RSA588818  Artemisia dracunculus Darin L. Banks, Steve Boyd 1995-10-17 0771 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCR163799  Asclepias albicans John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Base of Orocopia Mtns, S side; east of Desert Beach; c. 1 mi N of Coachella Canal 146 Comment
  UCSB12491  Asclepias erosa Breedlove, Dennis 1961-9-11 Riverside 20 mi. W of Blythe on U.S. 60-70 1066 Comment
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Mar 29 2014
  RSA69915  Asclepias subulata F. W. Peirson 1928-4-23 7886 Riverside in sandy wash land; 6 mi. n.e. of Mecca, on road to Blythe Comment
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Oct 23 2011
  SEINET12518425 Image available Asclepias subulata Mark Fishbein, Frankie Coburn, Danny Fuller 2016-1 7547 Riverside Along US Hwy 95 at jct Lonesome Dove Rd, 18 km north-northeast of jct I-10 at Blythe, west base of Big Maria Mountains, Colorado River valley. 93 Comment
  POM177825  Aspidotis californica Marcus E. Jones 1930-3-5 265 I9 Riverside Glen Ivy Comment
  RSA0011740  Asplenium vespertinum P. A. Munz 1922-4-28 5036 Riverside Leach Canyon, Santa Ana Mountains 762 Comment
  RSA417631  Aster bernardinus Albert J. Perkins 1916-4-14 s.n. Riverside Idylwild Comment
  SEINET5325493  Astragalus aridus E. K. Balls 1949-4-2 12906 Riverside Near Durmid by the Salton Sea on Hwy 111, Colorado Desert 67 Comment
  SD63728  Astragalus bicristatus Peta Mudie 1965-7-5 505 Riverside Southwest slope, north side of Santa Rosa Mountain above National Forest campground. Comment
  SDSU17550  Astragalus didymocarpus var. didymocarpus Jerry Jenkins 2001 -033 Riverside Santa Margarita Ecological Reserve. UTM transfered to GIS. 177 Comment
  CAS-BOT-BC182590  Astragalus didymocarpus var. dispermus P. A. Munz 1922-4-29 5096 Riverside Dripping Spring, near Temecula Creek 518 Comment
  RSA21758  Astragalus didymocarpus var. dispermus C. B. Wolf 1937-4-6 8430 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  POM226881  Astragalus didymocarpus var. obispoensis L. R. Abrams 1935-4-7 13664 Riverside 2 mile SW of Perris. Comment
  POM250461  Astragalus douglasii var. parishii I. W. Clokey, E. G. Anderson 1935-8-21 6718 Riverside East of Keen Camp P. O. 1350 Comment
  RSA0098334  Astragalus insularis var. harwoodii Marc A. Baker, Michelle Cloud-Hughes 2015-2-21 18273 Riverside 6.3 km ENE of Vidal Junction, 8 km SSW of Savahia Peak, 67 km NNW of Blythe. 306 Comment
  CAS-BOT-BC187106  Astragalus lentiginosus var. borreganus H. M. Hall 1905-4-1 5757 Riverside Whitewater, Colorado Desert Comment
  RSA781911  Astragalus lentiginosus var. borreganus Duncan S. Bell 2010-5-1 897 B Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  RSA415584  Astragalus lentiginosus var. coachellae Christina Clark 1929-3-16 s.n Riverside N. Indio. Comment
  CAS-BOT-BC187172  Astragalus lentiginosus var. fremontii Annie M. Alexander; Louise Kellogg 1941-5-4 2112 Riverside Joshua Tree National Monument 1249 Comment
  UC13440  Astragalus nuttallianus var. imperfectus H. M. Hall 434 Riverside San Jacinto Lake Comment
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Sep 7 2011
  JOTR34280  Astragalus palmeri La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3295 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  UCD105182  Astragalus palmeri Donald Myrick 1964-4-30 821 Riverside Pines to Palm Highway (Highway 74), 15 miles west of Palm Desert. 1219 Comment
  RSA415656  Astragalus pomonensis T. W. Minthorn 1926-5-13 s.n Riverside Elsinore. Comment
  UC1922058  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-5 9979 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  POM9021  Astragalus pomonensis P. A. Munz, R. D. Harwood 1920-3-20 3376 Riverside 5 miles S of Corona. 305 Comment
  CAS-BOT-BC194056  Astragalus tricarinatus P. A. Munz; I. M. Johnston 1922-5-6 5196 Riverside Morongo Wash, Colorado Desert Comment
  RSA752218  Astragalus tricarinatus Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12582 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  SEINET10486810  Astragalus vaseyi L. Rose 1935-12-23 Rose 35700 Riverside San jacinto mts. 22 Mi s of cathedral city. Desert slopes. 914 Comment
  OBI54982  Athyrium filix-femina Marjorie Lewis 1947-8-26 17 Riverside Dark Canyon San Jacinto Mts. 1981 Comment
  POM10277  Athysanus pusillus Charlotte M. Wilder 1904-4-10 s.n. Riverside Wilder s Canyon, Jurupa Hills, near Riverside. Comment
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Apr 2 2011
  RSA523489  Athysanus pusillus Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-30 3949 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UCR92310  Atriplex argentea Scott D. White, S. Ogg 1994-10-17 2456 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCR99569  Atriplex argentea Julie A. Greene, Steve Boyd, D. E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1429 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of Visitor center, by waterfowl kiosk, east of Davis Road. 433 Comment
  UC472155  Atriplex canescens J. Ewan 1931-10-3 5227 Riverside Mockingbird Canyon near Arlington; Mockingbird Canyon near Arlington Comment
  UCR109572  Atriplex canescens R. D. Goeden, Don W. Ricker 1978-11-16 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  RSA532566  Atriplex coronata var. notatior D. E. Bramlet 1991-6-19 2195 Riverside The popualtion os approximatly 810m. west of the San Jacinto River. some 500m east of the intersection of Pozos Ave. anf the MWD Colorado aqueduct easement Road., The population is found some 4m north of the road. 473 Comment
  RSA532570  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2180 Riverside 3km west of Nuevo ans some 20m east of the San Jacinto Rover. The population is some 300m south of the end of 11th street just east of an exisitng dirt road. 473 Comment
  RSA65390  Atriplex hymenelytra F. W. Peirson 1924-12-30 5415 Riverside Thousand-Palms Canyon, edge of Coachella Valley. 122 Comment
  UCR165816  Atriplex hymenelytra John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UC1519870  Atriplex muelleri J. C. Roos 1965-10-17 Riverside on the roadside 20 mi w Blythe; w of Blythe Comment
  SEINET4135543  Atriplex polycarpa David Charlton 1988-2-19 1200 Riverside Orocopia Mountains. Mudstone wash N of Mecca Hills, Box Canyon on road from Cottonwood Wash to Mecca.; 0 762 Comment
  SD122871  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  SEINET4136176  Atriplex serenana var. davidsonii Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinto Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
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Feb 13 2019
  SD224921  Atriplex suberecta G. K. Helmkamp 1996-1-23 999 Riverside Beside irrigated fields 1.5 miles northeast of Blythe, approximately at Intake Blvd and 10th Ave. 81 Comment
  UCR129807  Atriplex suberecta Scott D. White 2001-4-13 8322 Riverside Beaumont Badlands, County Landfill area north of Moreno Valley, c. 0.25 air mi. NW of the SR-60 freeway junction with Gilman Springs Rd., unnamed wash 701 Comment
  UCR146524  Atriplex suberecta Scott D. White, Michael Honer 2004-3-11 9897 Riverside Peninsular Ranges; Santa Ana Mountains region, Corona area; c. 0.5 air mi east of I-15 and 1 air mi N of Eln Cerrito Rd. 320 Comment
  SEINET5510176 Image available Ayenia compacta Annie M. Alexander, Louise Kellogg 1941-1 2236 Riverside Eagle Mountains, Monsen Canyon 823 Comment
  SDSU14320  Azolla filiculoides Michelle Perl 2002-4-20 13 Riverside Santa Margarita Ecological Reserve 1/8 mile east of the junction between Santa Margarita River and Via Tornado Road. 229 Comment
  POM243559  Baccharis brachyphylla E. C. Jaeger 1938-10-21 s.n Riverside Joshua Tree National Monument. 12 miles south of Warrens Well. In rocky gulches. Comment
  CAS-BOT-BC106739  Baccharis salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. e. of Glen Ivy Hot Springs, in sandy wash. Comment
  CAS-BOT-BC106745  Baccharis salicifolia Aven Nelson; Ruth Nelson 1939-3-25 3252 Riverside On banks of a small stream, in Palm Canyon. Comment
  POM10239  Baccharis salicifolia Charlotte M. Wilder 1904-3-19 s.n. Riverside Wilders Canyon, Jurupa Hills Comment
  RSA510030  Baccharis salicifolia B. Pitzer, E. Misqez 1988-2-28 625 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  SEINET7844101  Baccharis salicifolia Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-4-12 4463 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  UCR216230  Baccharis salicifolia Mike Bell 2008-4-27 015 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 538 Comment
  UC30364  Baccharis salicina E. G. Koethen 1897-10-16 Riverside West Riverside Comment
  SD137907  Baccharis sergiloides Darin L. Banks, Steve Boyd 1995-10-17 804 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National forest; along lower Arroyo Seco. 730 Comment
  UC1929882  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Comment
  RSA730113  Bahiopsis parishii R. F. Thorne 1966-10-15 41801 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  SBBG60811  Bahiopsis parishii M. N. Ackley 1928-4-1 235 Riverside Snow Crk, Mt San Jacinto 518 Comment
  SBBG98295  Baileya pauciradiata F. W. Peirson 1921-4-12 2775 Riverside Indian Wells Comment
  SD5792  Baileya pleniradiata Frances Keys 1929-6-28 Riverside Palm Springs; Desert Queen Ranch. Comment
  UCR221456  Bassia hyssopifolia Bill Wagner 2005-6-17 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  RSA556459  Bassia hyssopifolia Julie Greene 1993-4-30 1253 Riverside San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, E of Davis Road. 433 Comment
  POM122201  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  RSA516762  Bebbia juncea Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR167806  Bebbia juncea T. B. Salvato, Melissa Clemons 2005-6-23 1311 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR41337  Bebbia juncea N. M. Fellows 1984-11-12 26 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  JOTR34039  Bebbia juncea var. aspera La Doux, Tasha, M. Harding 2010-4-7 2922 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
  RSA792934  Bebbia juncea var. aspera Aaron C. Sedgwick, Joella Simons Adkins 2012-10-23 142 Riverside Off of Corn Springs Rd. in the Chuckwalla Wilderness and Chuckwalla Mtns. South of Hwy. 10 ~4 mi. In a wash running north-south. 427 Comment
  CSUSB2  Beloperone californica I. S. Singh 1972-4-21 S.N. Riverside Colorado Desert West and north edges of Colorado Desert. Sea level. Comment
  OBI37435  Berberis aquifolium var. dictyota A. C. Sanders 1981-7-11 2212 Riverside San Jacinto Mts. Live Oak spring at the head of Live Oak cyn. which is a tributary to Palm Cyn. T6S, R4E, sec 27 1676 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
  POM17943  Berberis dictyota P. A. Munz 1923-6-14 7114 Riverside Trail from Glen Ivy to Santiago Peak Comment
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Oct 22 2011
  SD218993  Berberis nevinii M. Wall 2009-6-10 518 Riverside South of Redlands, ca. 0.75 mile up an unnamed canyon off San Timoteo Canyon Rd., ca. 0.5 mile NW of jct with Allesandro Blvd. 495 Comment
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Oct 28 2013
  UCR85592  Bergia texana Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterena B. 1993-7-9 1432 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  UCD166279  Bernardia incana Jack Major 1962-4-18 793 Riverside Just below Pinyon Flat on CA HWY 74. (Exact location unknown. Coordinates estimated by label maker.) 1188 Comment
  UCR191546  Beta macrocarpa A. C. Sanders 2008-4-15 34892 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 383 Comment
  RSA69940  Beta vulgaris P. A. Munz 1923-6-14 7120 Riverside 5 miles north of Corona. Comment
  RSA724079  Beta vulgaris R. E. Riefner 1998-4-22 98 -266 Riverside City of Wildomar, near Lake Elsinore, N 0.25 mi from Union St. and Corydon Rd. 367 Comment
  UCR40449  Beta vulgaris subsp. maritima Steve Boyd 1985-8-7 1119 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  UCR188892  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR93062  Bidens frondosa A. C. Sanders, S. Ogg 1994-7-28 15180 Riverside Riverside, Santa Ana River near Hwy 60 243 Comment
  UC1178594  Bloomeria crocea Peter Kamb 1948-7-4 1170 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  UCR17050  Bloomeria crocea var. crocea D. H. Wilken 1965-6-29 360 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  RSA0125971  Boechera Scott D. White, Justin M. Wood 2008-7-8 12374 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UC10090  Boechera arcuata H. M. Hall Jun 1901 2081 Riverside s side San Jacinto Mountains 1371 Comment
  CAS-BOT-BC16107  Boechera californica Philip Alexander Munz 1937-5-30 15085 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  CAS-BOT-BC25662  Boechera pulchra Philip Alexander Munz 1940-3-24 15709 Riverside Eagle Mountains. 2 miles north of Cottonwood Spring. 914 Comment
  RSA518278  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UC454082  Boerhavia coccinea I. J. Condit 1910-6-24 Riverside San Jacinto Canyon Comment
  UCR278875  Boerhavia coccinea Mitch Provance 2012-7-17 712- 15 Riverside San Gorgonio Pass, City of Banning, along E. Lincoln St., vicinity of the Banning Substation, between Hargrave St. and San Gorgonio Ave. 698 Comment
  UCR59717  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  UCR94923  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. 762 Comment
  RSA608163  Boerhavia coulteri Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 A Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR137642  Boerhavia erecta var. intermedia T. L. Ackerman, V. Mathews 1982-8-30 82 420 Riverside Santa Rosa Mountains, Gate at Highway 74 and Benchmark Lucky (Agave Hill) 793 Comment
  UCR35201  Boerhavia intermedia L. B. Ziegler 1971-10-12 431 Riverside San Jacinto Mtns, Pinyon Flats 1311 Comment
  CLARK-A1528-3270  Boerhavia torreyana John C. Roos 1965-9-26 Riverside Santa Rosa Mountains 701 Comment
  UCR260950  Boerhavia triquetra Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6023 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  IRVC28534  Boerhavia wrightii Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Canyon Spring, Orocopia Mtns. Sonoran (Colorado) Desert 372 Comment
  UCR204100  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Western Colorado Desert, Maniobra Valley, Chiraco Summit Road off Hwy I-10 517 Comment
  UC53648  Bothriochloa barbinodis Dr. A. Davidson Riverside Banning Comment
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Mar 13 2011
  CLARK-A1528-4512  Bouteloua barbata John C. Roos 1946-9-14 3025 Riverside San Jacinto Mountains 1219 Comment
  SEINET212402 Image available Bouteloua barbata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-23 6490 Riverside Palen Valley 15 mi NE of Desert Center 183 Comment
  UCD56842  Bouteloua barbata Leslie L. Ede 1972-7-18 s.n. Riverside Blythe? Comment
  RSA778407  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-5 61 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  HSC87004  Boykinia rotundifolia F. C. Vasek 1987-7-14 8707141 Riverside Vista Grande Road (3508) 1 mile E of Banning-Idyllwild Road (SH234) 1524 Comment
  CHSC8088  Brandegea bigelovii Edward L. Smith 1958-3-22 389 Riverside Located 6 mi. e of Rice, near Priest's Well. 640 Comment
  CLARK-A1528-5383  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  SBBG7427  Brandegea bigelovii H. and M. Dearing 1940-1-1 4060 Riverside Painted Cyn Comment
  UCR130814  Brandegea bigelovii B. G. Pitzer 2000-5-7 4128 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
  RSA0009701  Brandegea bigelovii Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  SEINET8550766  Brandegea bigelovii R. H. Peebles, H. F. Loomis 1930-4-6 121 Riverside Shaver's Well. Comment
  UCR140308  Brassica nigra A. C. Sanders 2004-4-9 27477 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  RSA482938  Brassica rapa N. C. Cooper 1949-3-15 3029 Riverside Palm Springs 122 Comment
  UCD114635  Brassica tournefortii A. C. Sanders 1988-1-30 s.n. Riverside Eastern foothills of the Santa Ana Mountains, ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80-acre property to the NW; N of Cherry St., W of Adams Ave., S of Meadowlark Ridge Lane and Elm St. Beside Warm Springs Creek, SW of Adams St. 327 Comment
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Mar 28 2014
  UCR156356  Brassica tournefortii T. B. Salvato, Kent Beaman 2005-5-16 867 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
  JOTR16569  Brickellia californica Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH DESERT QUEEN MINE 1341 Comment
  CAS-BOT-BC106185  Brickellia desertorum A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke 1996-11-23 19650 Riverside San Bernardino Mtns. - Whitewater Canyon, just below the fish hatchery (Whtie Water 7.5' Q.) 647 Comment
  JEPS88669  Brickellia desertorum Annie M. Alexander and Louise Kellogg 1938-12-11 267 Riverside Lost Palm Canyon 685 Comment
  SBBG45061  Brickellia desertorum C. B. Wolf 1931-10-14 2454 Riverside Snow Crk, ca. 0.5 mi below the Fish Hatchery, N base of San Jacinto Mtns 548 Comment
  UCR109484  Brickellia desertorum A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19650 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  JOTR32362  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2477 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
  UCR182519  Brodiaea terrestris subsp. kernensis Mitch Provance 2005-5-17 6566 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
  LA13699  Bromus arenarius F. M. Reed; 1906-6-14 1007 Riverside San Bernardino Mountains, Smith backs in Carnshead grade (?) Comment
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Jan 18 2014
  RSA522268  Bromus berteroanus Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3514 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
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Mar 22 2011
  CAS-BOT-BC156282  Bromus catharticus A. R. Roos 1937-11-13 s.n. Riverside Riverside. 243 Comment
  POM363860  Bromus grandis N. C. Cooper 1944-5-20 1311 Riverside Palms to Pines Highway, San Jacinto Mountains. 915 Comment
  UCR27004  Bromus grandis E. W. Lathrop 1966-5-29 6395 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR174030  Bromus hordeaceus A. C. Sanders 2006-5-19 32463 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
  UCR94068  Bromus hordeaceus Scott D. White, M. Jacobsmeyer 1996-4-20 3951 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  RSA792813  Bromus hordeaceus subsp. hordeaceus D. M. McF 1954-5-28 5 Riverside Near Winchester. Junction [of] Hwy 395 and Newport Ave. Comment
  POM363954  Bromus rubens N. C. Cooper 1944-5-6 1215 Riverside Banning. 701 Comment
  RSA495406  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2893 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR156367  Bromus tectorum T. B. Salvato, Kent Beaman 2005-5-16 873 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
  UCR214117  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37747 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 436 Comment
  SEINET13203179 Image available Cactaceae Marc A. Baker, Michelle Cloud, Hughes 2015-1 18297 .1 Riverside Chuckwalla Mountains, 4.1km WNW of Corn Spring, 630m NE of Aztec Well, 71km west of central Blythe, narrow valley floor 834 Comment
  UCR199557  Caesalpinia gilliesii Scott D. White, Angelia Carey 2004-7-2 10577 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  JEPS22574  Caesalpinia virgata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6206 Riverside 11 mi. e. Mecca (below & s.w. of Shaver's Well, along CA Hwy. 195, 8.9 mi. w. of junction with U.S. Hwy. 60-70, in wash of Box Canyon); Box Canyon 228 Comment
  JEPS24876  Caesalpinia virgata Peter M. Ray 1949-3-12 1379 Riverside e. Mecca (Painted Canyon, Orocopia Mts.); Orocopia Mts., Painted Canyon Comment
  RSA0120322  Calandrinia ciliata Duncan S. Bell 2016-3-13 8924 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  RSA271846  Calandrinia ciliata C. W. Tilforth 1978-4-30 1580 Riverside Low, rounded hills east of Norco. Comment
  UCR19204  Calandrinia ciliata John C. Roos 1966-3-24 s.n. Riverside Winchester 457 Comment
  UCR49227  Calandrinia ciliata var. menziesii Steve Boyd 1986-4-2 1607 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SD73471  Callitriche heterophylla E. W. Lathrop 1966-4-13 6164 Riverside 3.0 miles northwest of Murrieta. Comment
  MACF022933  Calocedrus decurrens Trudy R. Ericson 1979-5-28 1018 Riverside 1.6 mi. from intersection of F. S. Rd. opposite Toledo Springs Campground and Thomas Mtn. Loop Road on F. S. Rd., Santa Rosa Mtns. 2072 Comment
  SFV13152  Calocedrus decurrens M. J. Thor 1982-9-17 137 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  UCR26355  Calocedrus decurrens A. C. Sanders, J. A. Harpel 1981-8-26 2337 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  UCR138761  Calochortus concolor Scott D. White 1997-5-18 5167 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  UCR297  Calochortus splendens Frank C. Vasek 1955-5-14 228 Riverside Peninsular Range, [Wolf Valley], 8 miles north of Pala on S16 366 Comment
  UCR43207  Calochortus splendens B. G. Pitzer, Karen Kirtland 1986-5-7 0218 Riverside Butterfield Stage Ranch development, in the hills on the north side Pauba Valley, in the Rancho California area, 1 mi south of Buck Mesa on the E side of Butterfield State Road 457 Comment
  CAS-BOT-BC497281  Calochortus weedii var. weedii Scott D. White 1995-6-30 3420 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. confluence 365 Comment
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Dec 10 2018
  RSA176351  Calycoseris wrightii R. F. Thorne 1963-3-29 32423 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  UCR214867  Calycoseris wrightii A. C. Sanders 2010-3-15 37399 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA0065471  Calycoseris wrightii M. P. Harthill 1971-3-19 s.n. Riverside Palm Desert. Comment
  SEINET7072838  Calyptridium monandrum A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UCR177643  Calyptridium monandrum S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA65431  Calyptridium parryi var. parryi E. C. Jaeger 1921-7-8 5441 Riverside Tahquitz Valley 2104 Comment
  SDSU17442  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-25 374 Riverside San Jacinto Wilderness State Park, summit of San Jacinto Peak. Ca. 10 meters west of sign marking high point, in sandy opening among boulders. 3292 Comment
  CSUSB954  Calystegia macrostegia Robert M. Hasegawa 1976-4-14 Riverside Box Springs Mountains Box Springs Mountains. 1/8 mile past road's end, east Big Springs Road. 274 Comment
  UCR187502  Calystegia macrostegia Theresa Johnson 2006-3-31 011 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, off DeLuz Road at backside (edge) of ecological reserve, near Mesa de Burro 571 Comment
  UCR250587  Calystegia macrostegia A. C. Sanders 2013-6-20 40834 Riverside Peninsular Range, Alberhill, along lower part of 'new' Nichols Rd. extension, just west of Collier Ave. intersection, NE of Pierce St. intersection 386 Comment
  UCR260864  Calystegia macrostegia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41466 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  SJSU8764  Calystegia macrostegia subsp. intermedia G. E. Eberle 1962-12-27 77 Riverside upper end of Two Trees Rd, Riverside Comment
  UCR232019  Camissonia bistorta John F. Green 2008-4-24 13- 09 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  RSA465992  Camissonia boothii subsp. condensata Christopher Davidson 1973-4-1 1845 Riverside Palm Springs. 488 Comment
  RSA4965  Camissonia boothii subsp. condensata Carl B. Wolf 1932-4-27 3032 -A Riverside Palm Springs. 152 Comment
  UCR233165A  Camissonia boothii subsp. condensata Jim Andre, Glenn L. Clifton 2011-2-22 17446 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR41843  Camissonia brevipes A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6079 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA466013  Camissonia brevipes subsp. brevipes E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert, Box Canyon Comment
  RSA75369  Camissonia brevipes subsp. brevipes F. W. Peirson 1928-7-10 7706 Riverside Colorado Desert. Foot of rock wall of canyon at Hidden Spring, northeast of Mecca. Comment
  RSA192045  Camissonia californica E. W. Lathrop 1966-5-16 6326 Riverside Tenaja Grade, 2 miles SW of Murrieta on the Tenaja Road. Comment
  RSA263683  Camissonia californica E. W. Lathrop 1975-8-15 7468 Riverside 5 miles W of Murrieta, Los Gatos Road, on south slope of Mesa de Colorado. Comment
  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
  JEPS31800  Camissonia campestris W. L. Jepson May 17 1901-Jun 1 1901 1251 Riverside San Jacinto Comment
  POM255920  Camissonia cardiophylla C. L. Hitchcock 1940-4-1 5899 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA781902  Camissonia claviformis Duncan S. Bell 2010-5-1 888 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA792628  Camissonia claviformis Robert F. Thorne 1995-3-29 63024 Riverside White Water Canyon. 600 Comment
  UCR241590  Camissonia claviformis A. C. Sanders, Ann Howald 2013-2-28 40556 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  RSA449209  Camissonia claviformis subsp. aurantiaca Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7817 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  RSA186793  Camissonia confusa Peter H. Raven 1962-4-28 17471 Riverside Reche Canyon, 7.0 miles south of Barton Road, Loma Linda 579 Comment
  RSA559415  Camissonia ignota Steve Boyd 1992-4-15 6865 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR250564  Camissonia ignota A. C. Sanders 2014-4-25 41065 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UCR110976  Camissonia intermedia George K. Helmkamp 1998-6-27 4086 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  SEINET9354150  Camissonia kernensis Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  JOTR35454  Camissonia pallida subsp. hallii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 58 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  RSA339671  Camissonia pallida subsp. hallii Robert F. Thorne, C. W. Tilforth 1980-5-28 54222 Riverside San Bernardino Mountains: rocky and sandy wash along Whitewater River, ca. 3.2 miles N of Whitewater PO and Highway 10. Comment
  RSA776225  Camissonia pallida subsp. pallida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 868 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR241549  Camissonia refracta A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40637 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  RSA593998  Camissonia strigulosa D. L. Banks, Elizabeth Hedge Banks 1996-5-2 941 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  SEINET238561  Camissonia strigulosa George K. Helmkamp 1998-6-27 4103 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unamed spring. 1585 Comment
  UCSB4515  Camissoniopsis pallida subsp. hallii Haller, John 1957-3-23 Riverside Mouth of Morongo Canyon, ca. 8 road, miles N. of US 99 and 1 air mile S. of Riverside-San Bernardino Co. line 762 Comment
  UC398682  Camissoniopsis pallida subsp. pallida L. R. Abrams 1926-3-27 Riverside near the type station Cabazon Comment
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Mar 13 2011
  CDA7745  Cardamine hirsuta Mike Lahti 2008-1-29 PDR# 1473076 Riverside Temecula, 43401 Anza Rd. 0 Comment
  RSA770448  Carex alma Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4560 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET3898819  Carex barbarae Steve Boyd, Tim Ross 1990-5-11 4663 Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland Nat. Forest.; 0 579 Comment
  POM14316  Carex multicostata Phillip A. Munz 1922-7-7 6052 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  CAS-BOT-BC119865  Carex nebrascensis Peter H. Raven 1959-5-18 14239 Riverside Lake Fulmor, San Jacinto Mountains. Comment
  UCSB18913  Carex schottii Keefe, Joseph 1965-5-18 Riverside 100 meters east of stream; Fullermill Creek Campground; north of Idyllwild 1645 Comment
  SD153013  Carex senta Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7664 Riverside So. Sta. Ana Mtns, San Mateo Cyn Wilderness Area. Upper San Mateo Cyn, fr. jctn of Tenaja Rd (7S01) & Los Alamos Rd (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail no. to Potrero de la Cienega. etc. 395 Comment
  POM14314  Carex subfusca Phillip A. Munz 1922-7-6 6040 Riverside Summit of San Jacinto Peak. 3293 Comment
  UC484199  Castela emoryi B. D. Stark April 1929 1268 Riverside Hayfields Colorado Desert, , Hayfields (Chuckawalla Valley) Comment
  UCR24411  Castela emoryi John C. Roos 1937-8-20 1223 Riverside Sonoran (Colorado) Desert, Hayfields about 5-10 miles west of Desert Center Comment
  POM158431  Castilleja affinis Philip A. Munz 1927-5-21 10886 Riverside 15 miles south of Hemet. Comment
  RSA359522  Castilleja affinis Steve D. Boyd 1986-3-9 1383 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just E of Claymine area 427 Comment
  RSA501005  Castilleja affinis Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3123 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  SD148070  Castilleja affinis Andy C. Sanders, T. B. Salvato 2001-5-3 24084 Riverside Perris-Aguanga Basin Region: Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 494 Comment
  POM307280  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2139 Riverside Santa Rosa Mountains. Comment
  UC2030127  Castilleja applegatei subsp. martinii Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38086 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  UCR162951  Castilleja densiflora Fred M. Roberts, R. E. Riefner Jr. 2005-3-31 6138 Riverside Upper Salt Creek, W of Hemet, 200m east of Calif. Rd and 300m south of Stetson Rd, 1.8km WSW Ryan Field 456 Comment
  UCR124653  Castilleja exserta B. C. Templeton, I. W. Clokey 1930-4-9 1070 Riverside Moreno Badlands, Moreno Grade, west of Beaumont 600 Comment
  UCR138912  Castilleja exserta subsp. exserta Julie A. Greene 1993-4-10 1175 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  RSA801813  Castilleja foliolosa LeRoy Gross, Evan Meyer 2013-5-21 6107 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UC1951109  Castilleja foliolosa Scott D. White, Justin Wood 2009-5-22 12918 Riverside SAN JACINTO MOUNTAINS: Old Control Road, above Halfway Spring. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR165850  Castilleja foliolosa T. B. Salvato, John F. Green 2004-5-27 633 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
  LA209249  Castilleja miniata Elizabeth McClintock; 1939-8-20 sn Riverside San Jacinto Mountains, Round Valley Comment
  UCR101331  Caucalis microcarpa A. C. Sanders 1997-4-10 20320 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  CAS-BOT-BC41018  Caulanthus flavescens K. Watkins; L. Erickson 1937-4-10 s.n. Riverside Palms to Pines highway near road to Shumay. Comment
  JEPS29316  Caulanthus heterophyllus Rimo Bacigalupi and L. Heckard 1962-3-26 8412 Riverside 3.3 mi. n.w. Alberhill (near headwaters of Temescal Wash & Canyon, w. base of Estelle Mt. & just opposite Indian Canyon (from w.)) 304 Comment
  RSA525244  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross 1990-5-11 4621 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  SBBG87902  Caulanthus heterophyllus L. F. LaPre 1986-4-17 Riverside Bull Cyn, Gavilan Hills (cf. var. pseudosimulans Buck, nom. illegit.) Comment
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May 31 2013
  SDSU14010  Caulanthus heterophyllus Michael G. Simpson, Kim O'Connor 2000-4-29 2070 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR62239  Caulanthus heterophyllus Don Mitchell 1990-4-30 s.n. Riverside W side of Sage Road, 1/2 mi south of iuntersection with Wilson Valley Road. 701 Comment
  RSA398819  Ceanothus cordulatus H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains. Comment
  CDA38680  Ceanothus crassifolius Mike Lahti 2013-3-13 PDR# 331 P06141908 Riverside Nuevo; 22070 Horseshoe Trail near Stagecoach Road. 0 Comment
  RSA398900  Ceanothus crassifolius H. M. Hall 1897-4-10 356 Riverside Winchester Comment
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Mar 12 2011
  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
  SD137652  Ceanothus crassifolius Darin L. Banks, Steve Boyd 1995-3-15 59 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 680 Comment
  SDSU10288  Ceanothus crassifolius A. H. Gallup 1947-10-30 77 Riverside 3.0 miles N of Rainbow. 732 Comment
  UCR265822  Ceanothus crassifolius Mitch Provance 2012-5-24 512- 03 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
  UC303595  Ceanothus greggii var. perplexans Greata 1908-6-1 6966 Riverside Eden Hot Springs Comment
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Mar 12 2011
  OBI10447  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside San Jacinto Mts 1.6 mi S Idylwild on Rd to Tauquitz Lodge 1524 Comment
  SD10668  Ceanothus leucodermis Mrs. D. R. Wolf 1932-3-20 32 Riverside Richman Ranch, 2.5 mi. N of De Luz 456 Comment
  UC18306  Ceanothus leucodermis H. M. Hall 1901-6-1 2223 Riverside Ontatt's Valley San Jacinto Mts. 1676 Comment
  UC1861762  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UC1071523  Ceanothus oliganthus var. sorediatus R. St. John 1931-2-13 183 Riverside Plot 70 Elsinore Quadrangle, Elsinore 457 Comment
  RSA569999  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7913 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  UCR89469  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8012 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mt., Agua TibiaWilderness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd. 1000 Comment
  UCR131678  Ceanothus palmeri C. B. Wolf 1941-8-12 11142 Riverside San Jacinto Mtns., 3.5 miles NW of Idyllwild on Dark Canyon Road 1829 Comment
  SD136766  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 609 Comment
  UC1071378  Ceanothus spinosus A. Lewis May 1934 408 Riverside San Juan Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  OBI45339  Ceanothus tomentosus Dave Hawks 1987-3-2 s.n. Riverside S of Hemet, intersection of Palm Ave. and Saddle Ridge Trail Comment
  RSA0019600  Ceanothus tomentosus J. D. Olmsted 1959-4-12 365 Riverside Turn S for 1 mi on Lincoln from Hwy thru W. Corona, turn W for 0.5 mi on Chase, S at wash onto Oak Flat fire road for 3-4 mi. N. to Santa Ana River drainage. 793 Comment
  CAS-BOT-BC63254  Ceanothus tomentosus var. olivaceus Ynez Whilton Winblad 1936-3-26 s.n. Riverside Between Redlands and Beaumont. Comment
  CAS-BOT-BC63255  Ceanothus tomentosus var. olivaceus Wesley O. Griesel 1959-3-24 13 Riverside highway 79, 7 mi. s. of Hemet. 609 Comment
  CAS-BOT-BC63258  Ceanothus tomentosus var. olivaceus Robinson; Crocker 1916-3-29 s.n. Riverside Near Murrietta. Santa Ana Mts. Comment
  RSA525287  Centaurea melitensis Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4600 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA289807  Centaurium venustum Barry A. Prigge 1980-8-12 3938 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
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Jan 14 2010
  RSA500128  Centaurium venustum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3683 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA707579  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  UCR266368  Centromadia pungens subsp. laevis D. E. Bramlet 2005-6-28 3887 Riverside Temecula, just west of Cherry St. and Adams Ave., near confluence of Warm Springs Creek and Santa Gertrudis Creek 316 Comment
  UCR275231  Centromadia pungens subsp. laevis Allison D. Rudalevige 2012-5-2 001 Riverside Temecula, adjacent to Murrieta Creek, along Diaz Diaz Rd. between Winchester Rd. and Black Deer Loop 311 Comment
  UCR281838  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2017-8-12 17- 384 Riverside Perris-Aguanga Basin, city of Temecula, along the levee of Murrieta Creek, north side of Diaz Road, at Remington Avenue 327 Comment
  UCR104904  Cerastium glomeratum A. C. Sanders 1997-3-19 20014 Riverside Lake Skinner area, hills between Tucalota Creek and lower Rawson Canyon, c. 1/2 mi. (1 km) east of the lake 488 Comment
  UCR265602  Cerastium glomeratum Jordan Zylstra 2014-3-18 14003 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA405363  Cercidium floridum W. Hutchinson 1926-4-1 s.n. Riverside Palm Springs. Comment
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Apr 1 2019
  RSA0122712  Cercocarpus betuloides Duncan S. Bell, LeRoy Gross 2016-3-30 9150 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA783295  Cercocarpus ledifolius J. D. Olmsted 1962-6-23 5306 Riverside SE San Bernardino Mts: near Calelectric residences at head of Banning Water Canyon 2210 Comment
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Feb 24 2013
  RSA523502  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3962 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA561098  Chaenactis artemisiifolia Steve Boyd 1993-5-12 7335 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
  CAS-BOT-BC276397  Chaenactis carphoclinia F. O. Ballow 1926-2-27 s.n. Riverside Painted Canyon Comment
  SD187338  Chaenactis carphoclinia Sarah J. De Groot, Leland Lubinsky, et al. 2005-2-10 4615 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. 402 Comment
  UCR104002  Chaenactis carphoclinia George K. Helmkamp 1998-4-4 3157 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  RSA735324  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11291 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  CAS-BOT-BC276904  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles N of Cottonwood Springs, Eagle Mountains 914 Comment
  CAS-BOT-BC276939  Chaenactis fremontii John Thomas Howell 1928-3-11 3446 Riverside Garnet Station, Coachella Valley, Colorado Desert 213 Comment
  JEPS30582  Chaenactis fremontii Donald M. Kyhos 1957-5-2 57 -153 Riverside west edge of Cabazon Cabazon 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
  SEINET7063219  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR231816  Chaenactis glabriuscula Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 14 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  HSC25835  Chaenactis glabriuscula var. glabriuscula Richard Spjut 1972-3-30 2346 Riverside Just SW of Coahulla Indian Reservation, ca. 2 miles E on Hwy. 71 from jct. 79 (near San Diego County Line) 1220 Comment
  UC31026  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-25 1181 Riverside Van Deventer's, El Toro Region San Jacinto Mountains, El Toro Region 1402 Comment
  OBI33598  Chaenactis glabriuscula var. lanosa John C. Roos 1966-4-29 s.n. Riverside Between March AFB and Lakeview Comment
  RSA705881  Chaenactis glabriuscula var. lanosa Michael Wall 2005-4-9 383 Riverside San Jacinto Valley, Santa Rosa Hills, Simpson Park region. 703 Comment
  UCR196384  Chaenactis stevioides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1422 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  POM13922  Chaenactis stevioides var. stevioides P. A. Munz, D. D. Keck 1922-4-9 4819 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  SEINET13937053 Image available Chaenomeles speciosa Unknown Riverside Cultivated Comment
  JOTR16669  Chamaesyce albomarginata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA NEAR RANGER STATION 1310 Comment
  SFV2081  Chamaesyce albomarginata P. G. Kilburn 1958-5-16 809 Riverside San Jacinto Mountains Pinyon Flat Campground, 12 miles south of Palm Desert. 1220 Comment
  POM263146  Chamaesyce micromera J. C. Roos 1936-4-22 608 Riverside 20 mi west of Blythe Comment
  SBBG4022  Chamaesyce micromera H. and M. Dearing 1937-4-9 956 Riverside near Indio Comment
  SEINET5742556 Image available Chamaesyce micromera W. Steinmann 1999-1 1415 Riverside Foothills of the Chuckwalla Moutains, open desert ca. 2 km S of Desert Center.; Desert Center 325 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
  SEINET3089924 Image available Chamaesyce pediculifera A. C. Sanders, Pitzer, Wright, Charleton, Weir, Bramlett, et al. 1986-3-9 6231 Riverside Painted Gorge, 5.1 miles N of S-80 on Painted Gorge Road, ca. 5 miles NE of Ocotillo. 152 Comment
  RSA0050424  Chamaesyce polycarpa Sarah J. De Groot, Cheryl S. Sevilla 2014-9-11 7299 Riverside Along Midland Road near Cox, southwest of Big Maria Mountains, east-southeast of Little Maria Mountains, north of McCoy Wash; about 5.4 miles northwest of 'Buzzardville', 10.9 miles north of the Riverside County disposal site., About 15 miles northwest of Blythe. 245 Comment
  SBBG54497  Chamaesyce polycarpa L. R. Abrams 1926-3-26 Riverside Palm Springs Comment
  RSA487533  Chamaesyce polycarpa var. polycarpa B. Pitzer 1988-3-10 644 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA38695  Chamaesyce setiloba P. A. Munz 1946-10-20 11579 Riverside Palms to Pines Hwy at N base of Snata Rosa Mts. 1037 Comment
  UC869128  Chamaesyce setiloba Lewis S. Rose 1938-12-24 38346 Riverside 19 mi e Indio (Indio-Blythe Rd) 3 Comment
  RSA612813  Cheilanthes clevelandii Darin L. Banks 1997-3-1 1356 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  UC371175  Cheilanthes newberryi Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA680568  Cheilanthes parryi Scott D. White, Michael Honer 2003-4-30 9140 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UC812277  Cheilanthes parryi Lewis S. Rose 1938-12-17 38317 Riverside Palm Springs 152 Comment
  CAS-BOT-BC70379  Cheilanthes viscida John Thomas Howell 1928-3-11 3421 Riverside wall of Morongo Canyon, n. Colorado Desert 609 Comment
  UCR274541  Chenopodium album Mitch Provance, Ken Halama 2003-6-15 17062 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR69753  Chenopodium berlandieri A. C. Sanders, Chet McGaugh 1991-7-19 11154 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
  RSA192154  Chenopodium berlandieri var. sinuatum E. W. Lathrop 1965-5-29 4583 Riverside 14 mi. W of Murrieta. Comment
  UCR111548  Chenopodium botrys Mitch Provance 1999-5-4 1700 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA0014928  Chenopodium californicum LeRoy Gross, Caitlin Elam 2013-5-14 6087 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
  UCR102926  Chenopodium murale George K. Helmkamp, E. A. Helmkamp 1998-2-5 2685 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  CLARK-A1528-5651  Chenopodium pumilio John C. Roos 1947-8-15 Riverside Santa Ana River Comment
  RSA740960  Chenopodium pumilio Scott D. White, Justin M. Wood 2008-6-18 12216 Riverside K Flat Meadow. 1433 Comment
  RSA777282  Chilopsis linearis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4745 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD255117  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 285 Comment
  POM202929  Chilopsis linearis subsp. arcuata L. C. Wheeler 1933-12-1 2281 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  CAS-BOT-BC451360  Chimaphila menziesii H. M. Hall 1897-6-16 s.n. Riverside San Jacinto Mts. 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
  RSA727398  Chorizanthe brevicornu Naomi Fraga, Lisa Rojas 2005-2-10 1386 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  HSC49386  Chorizanthe brevicornu var. brevicornu D. L. Goforth 1979-4-1 110 Riverside Box Canyon 10 mi. E of Mecca on Hwy. 195 220 Comment
  RSA704544  Chorizanthe brevicornu var. brevicornu LeRoy Gross 2005-3-3 1578 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SBBG1394  Chorizanthe brevicornu var. brevicornu C. H. Muller 1952-4-6 9504 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  SBBG1396  Chorizanthe brevicornu var. brevicornu H. and M. Dearing 1937-4-10 2848 Riverside Thousand Palms Cyn Comment
  UCSB1361  Chorizanthe brevicornu var. brevicornu Haller, John 1959-3-22 Riverside immediately south of Hwy 60-70 , 5.9 miles E. of Desert Center Comment
  UCR217527  Chorizanthe leptotheca Jeff B. Galvin 2010-6-8 135 Riverside Perris-Aguanga Basin, Temescal Canyon between Hwy I-15 and Temescal Canyon Road, south of the west end of Lee Lake 342 Comment
  UCR274147  Chorizanthe leptotheca T. B. Salvato, Gregg Miller 2005-6-7 1431 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  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
  SBBG37953  Chorizanthe parryi var. parryi T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR174384  Chorizanthe parryi var. parryi A. C. Sanders 2006-5-19 32415 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
  UCR209585  Chorizanthe parryi var. parryi Robert J. Steers, Matt Willis, Jodi Ross 2009-6-3 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, between Pipeline Rd. and San Gorgonio River, south of I-10 and 0.46 mi. west of Agnes Ave. crossing of Blanche Ave. 552 Comment
  UCR97692  Chorizanthe polygonoides subsp. longispina A. C. Sanders, G. Helmkamp 1997-3-15 19928 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 537 Comment
  SD148094  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-10 2348 Riverside Lake Skinner area, Lake Skinner County Park, 0.5 miles west of 'Old' Warren Road, 1.9 miles west of west of 'Old' Warren Road, 0.25 miles south of access road; Bachelor Mountain 7.5' quad. 470 Comment
  OBI11184  Chorizanthe staticoides Dieter H. Wilken 1965-6-29 390 Riverside W end of the Hemet Valley (Garner Valley) near lake Hemet San Jacinto Mts 1372 Comment
  SEINET10445993 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet and Stephan Myers 2015-1 18308 Riverside south side of the San Gorgonio River, 2km north of Banning, south base of the San Bernardino Mountains, 52km east of Riverside 788 Comment
  CAS-BOT-BC36261  Chrysolepis sempervirens Mary F. Spencer 1919-7-8 665 Riverside Tacquitz ridge, San Jacinto Mt. 2438 Comment
  SD128238  Chrysolepis sempervirens R. Mitchel Beauchamp 1971-5-15 2413 Riverside Black Mountain campground, San Jacinto Mountains. 2207 Comment
  UCR269110  Chrysothamnus paniculatus Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4553 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  POM243703  Chrysothamnus teretifolius E. C. Jaeger 1938-10-22 s.n. Riverside 12 miles S of Warren's Well Comment
  SEINET11860625  Chrysothamnus teretifolius S. B. Parish, Parish, W. F. 1889-11-2 455 Riverside Whitewater Comment
  CAS-BOT-BC160584  Chylismia claviformis subsp. aurantiaca P. D. Hurd 1963-4-11 344 Riverside Porcupine Wash, Joshua Tree National Monument Comment
  CAS-BOT-BC160603  Chylismia claviformis subsp. aurantiaca P. A. Munz 1940-3-24 15711 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  CAS-BOT-BC160627  Chylismia claviformis subsp. aurantiaca Milo S. Baker 1928-4-3 2838 b Riverside Tahquitz [Canon] Canyon Comment
  RSA794235  Chylismia claviformis subsp. aurantiaca Jim Andre 2012-3-19 21310 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  SD187441  Chylismia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, et al. 2005-2-10 1424 Riverside Northeastern Colorado Desert region; along Palen Road near Highway 177. 170 Comment
  UC1007236  Chylismia claviformis subsp. aurantiaca P. A. Munz 1940-3-24 15711 Riverside wash 2 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  RSA357788  Cistanthe monandra R. F. Thorne, M. Z. Thorne 1973-3-30 42685 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR59858  Citrullus lanatus J. M. Stewart 1989-11-20 637 Riverside Western Colorado Desert, Interstate Hwy 10, east of Indian Avenue, North Palm Springs Comment
  RSA505480  Clarkia dudleyana E. W. Lathrop 1989-5-10 s.n. Riverside 4 miles SW of Corona, West slope of Tin Mine Canyon. Comment
  UCR161030  Clarkia epilobioides D. E. Bramlet 1991-5-1 2104 Riverside Wilson Valley 671 Comment
  UCD104882  Clarkia purpurea T. B. Salvato; Kent Beaman 2005-5-16 765 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
  UCR275200  Clarkia purpurea T. B. Salvato, Gregg Miller 2005-6-7 1454 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  POM13122  Clarkia purpurea subsp. quadrivulnera P. A. Munz 1922-5-19 5333 Riverside 5 miles NE of Murietta. 488 Comment
  UC20030  Clarkia rhomboidea H. M. Hall June 1901 2264 Riverside nw side San Jacinto Mountains (at Schains) Comment
  SEINET238996  Clarkia unguiculata F. C. Vasek Riverside Geenhouse progeny grown from seeds collected from wild plants in July 1962 1.8 mi toward Atascadero from Cerro Alto Pub Comment
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Mar 17 2014
  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
  RSA748815  Claytonia perfoliata subsp. perfoliata G. Gust, L. Nye 2005-3-12 556 Riverside Cleveland National Forest. Hwy 74 W of lower San Juan Picnic Area at pullout W side of Santa Ana Mtn. Range. 495 Comment
  CLARK-A1528-5111  Clematis ligusticifolia John C. Roos 1951-9-25 5252 Riverside Riverside 259 Comment
  NY43294  Cleome isomeris C. R. Annable 1995-3-11 2268 Riverside Rest stop on I-10 Comment
  RSA6638  Cleome isomeris B. D. Stark 1932-6-15 1523 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  SD73630  Collinsia concolor Helen V. Witham 1970-5-1 845 Riverside steep north slope, Bautista Canyon, southeast of Hemet 800 Comment
  UCR132498  Collinsia concolor Michael D. Wilcox, Nathan Moorhatch 2003-4-4 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 396 Comment
  UCR202239  Collinsia concolor 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
  RSA0117400  Collinsia concolor N. C. Cooper 1945-5-24 1642 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA0117462  Collinsia concolor F. W. Peirson 1921-5-19 3040 Riverside Rocky slope not far from floor of Hemet Valley. 1341 Comment
  RSA736756  Conium maculatum Scott D. White, Lynn Stafford 2007-6-27 11748 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  SD257165  Conium maculatum Dave Goodward 2016-7-30 716 1 Riverside San Jacinto Mountains: Garner Valley, c. half mile east of the eastern end of Lake Hemet and c. 0.7 mi southwest of Hwy 74, headwaters of the South Fork of the San Jacinto River (Idyllwild 7.5'Q) 1327 Comment
  RSA394802  Convolvulus arvensis Luther A. Rice 1891-6-1 s.n. Riverside Near Riverside Comment
  RSA507496  Convolvulus arvensis L. F. LaPre, J. Easton 1988-7-10 s.n. Riverside 1 mi E of of Perris. 427 Comment
  RSA653656  Conyza coulteri A. C. Sanders, Mitch Provance 1999-9-26 23125 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  CDA20751  Conyza sumatrensis R. W. Schaffer 2006-11-17 PDR 1262127 Riverside near Oasis St., Indio Ca. 0 Comment
  UCR58456  Cordylanthus nevinii George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  RSA6032  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1932-8-4 3917 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  HSC5414  Coreopsis douglasii C. L. Hitchcock, C. V. Muhlick 1964-3-17 23091 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  CLARK-A1528-1783  Corethrogyne filaginifolia John C. Roos 1937-8-17 1217 Riverside Idyllwild Comment
  RSA801945  Cornus sericea subsp. occidentalis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6175 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  CLARK-A1528-200  Cotula australis Susan Larisch 1963-2-20 12 Riverside Highgrove Comment
  CAS-BOT-BC181565  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, Colorado Desert 304 Comment
  RSA124432  Crossosoma bigelovii Percy C. Everett, E. K. Balls 1958-5-4 23080 Riverside Morongo Pass, 7.6 mi. N along road to 29 Palms from U.S. Hwy 60/70. 671 Comment
  SBBG72294  Crossosoma bigelovii unknown 1895-1 Riverside Palm Springs Comment
  UCR47311  Crossosoma bigelovii David Charlton 1986-12-26 654 Riverside Sonoran (Colorado) Desert, Coxcomb Range, at E end of Joshua Tree Nat. Monument, northernmost W facing large canyon in the range, just north of Specter Peak 915 Comment
  SD109108  Croton californicus Grady L. Webster, R. Hildreth 1966-12-11 7474 Riverside Aguanga Valley, hillsides above Aguanga. 640 Comment
  SJSU1875  Croton californicus J. W. Tilden 1957-4-18 1092 Riverside near Whitewater, E of San Gorgonio Pass Comment
  UCR92257  Croton californicus Scott D. White 1995-8-23 3576 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  POM14053  Croton californicus var. mohavensis P. A. Munz, D. D. Keck 1922-4-14 5010 Riverside East of Whitewater Ranch 244 Comment
  RSA145912  Croton californicus var. mohavensis William M. Klein 1958-2-11 36 Riverside 2.6 miles E of Cabazon on Highway 70-99; along side of road 545 Comment
  RSA707355  Cryptantha angustifolia Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 4 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune N 91 Comment
  UC857065  Cryptantha angustifolia Alice Eastwood 1913-4-30 Riverside Palm Springs Comment
  UCR33811  Cryptantha angustifolia Faulkner 1978-3-20 332 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  POM368195  Cryptantha angustifolia Anonymous s.n. Riverside Colorado Desert. Comment
  POM118734  Cryptantha barbigera Marcus E. Jones 1924-2-28 s.n Riverside Desert Center, Colorado Desert 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
  SBBG92252  Cryptantha barbigera D. F. Howe 1980-4-16 Riverside 8.5 mi S of Hwy 10 on Cornsprings Rd, Chuckwalla Mtns 550 Comment
  UC1063930  Cryptantha barbigera H. S. Yates 1937-3-23 6446 Riverside 15 mi nne Medda; Thermal Quad. 457 Comment
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Apr 6 2011
  UCR18172  Cryptantha barbigera A. C. Sanders 1978-4-2 00188 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  UCR214160  Cryptantha barbigera T. B. Salvato 2010-4-20 4062 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR18173  Cryptantha barbigera var. fergusoniae A. C. Sanders 1978-4-2 00178 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  RSA0062648  Cryptantha barbigera var. fergusoniae M. Harthill 1973-2-17 1565 Riverside W. Palm Springs. 365 Comment
  UCR84889  Cryptantha circumscissa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16131 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA0094891  Cryptantha corollata A. C. Sanders 2004-4-9 27455 Riverside San Jacinto Valley. Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  RSA0079095  Cryptantha cycloptera Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  GMDRC3553  Cryptantha dumetorum J. Andre, T. La Doux 2009-2-25 10822 Riverside Palen Dry Lake: Palen Dry Lake: SE margin of the playa, approx 40 mi. W. of Blythe, 6 mi. N. of I-10, E. of Desert Center. USGS 7.5 min. Quad: Sidewinder Well 33 deg. 42.637' N 115 deg. 12.163' W. Elev. 423 ft. 129 Comment
  CLARK-A1528-1120  Cryptantha intermedia Charles S. Papp 1964-5-3 454 Riverside Riverside Comment
  JEPS67648  Cryptantha intermedia W. L. Jepson 1935-4-17 19156 Riverside Elsinore, sw Riverside County Elsinore Comment
  POM146228  Cryptantha intermedia F. M. Reed 1927-5-8 5310 Riverside Hills south of Perris Comment
  RSA645677  Cryptantha intermedia Scott D. White 1999-5-2 7295 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
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Feb 22 2008
  SD137838  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 247 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 515 Comment
  SD247352  Cryptantha intermedia Tracy Tennant, Mitch provance 1998-6-16 MOR 439 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M 15. 1098 Comment
  SD4196  Cryptantha intermedia Fidella G. Woodcock 1928-4-27 Riverside Hemet, San Jacinto Comment
  SEINET3084399 Image available Cryptantha intermedia B. Pitzer 1986-4-26 183 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCR107399  Cryptantha intermedia B. G. Pitzer 1997-3-23 2987 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR115431  Cryptantha intermedia Scott D. White, D. E. Bramlet 1999-4-22 7243 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR124662  Cryptantha intermedia B. C. Templeton 1930-4-9 1023 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  RSA0075621  Cryptantha intermedia var. johnstonii J. Mark Porter, V. Soza, Gary Wallace 2001-4-2 12337 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  SDSU21775  Cryptantha maritima var. pilosa Duncan S. Bell 2011-4-7 2164 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests well, or approximately 2 miles southwest of the ghost town of Rice. 357 Comment
  RSA171377  Cryptantha micrantha var. lepida J. D. Olmsted 1962-5-3 3503 Riverside On Thomas Mt. 1616 Comment
  RSA508006  Cryptantha micrantha var. lepida Steve Boyd, C. Boyd, K. A. Boyd, L. Arnseth, Richard Noyes 1988-5-28 2302 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  JOTR33867  Cryptantha micrantha var. micrantha La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3052 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  UCR77745  Cryptantha micromeres Steve Boyd 1991-5-20 6274 Riverside Santa Ana Mtns., NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary 671 Comment
  RSA586768  Cryptantha microstachys D. L. Banks, S. D. Boyd 1995-5-17 466 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, at the spring just inside the wilderness boundary. 731 Comment
  RSA674928  Cryptantha microstachys Scott D. White, P. De Vries 2000-4-25 7724 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UC1595623  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside w flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Canyon 426 Comment
  UCR177189  Cryptantha microstachys Scott D. White, Michael Honer 2003-4-4 8958 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR242673  Cryptantha muricata A. C. Sanders 2013-7-6 40838 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  SBBG63812  Cryptantha muricata var. jonesii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1828 Comment
  RSA617204  Cryptantha nevadensis L. C. Wheeler 1953-3-31 7037 Riverside Near Mountaineer Mine. Comment
  UCR280921  Cryptantha nevadensis Fred M. Roberts 2016-3-5 7996 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  JOTR36439  Cryptantha pterocarya La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3411 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  SEINET3084245 Image available Cryptantha pterocarya A. C. Sanders, K. Rose & D. Woodard 1995-3-15 16134 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 370 Comment
  SEINET3225524 Image available Cryptantha pterocarya A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37476 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 (McCoy Peak 7.5. Q) 204 Comment
  UCR216089  Cryptantha pterocarya var. cycloptera Jim Andre, T. La Doux 2009-2-25 10808 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  JOTR30328  Cryptantha racemosa La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1772 Riverside Joshua Tree National Park. Stop #2: Hexie Mtns./Porcupine wash. Deep canyon with sandy bottom and rocky steep slopes. 778 Comment
  JOTR01186  Cryptantha racemosa Schenck, Sara 1941-5-28 s.n. Riverside Joshua Tree National Park. RUBY LEE MILL SITE Comment
  RSA339347  Cryptantha utahensis R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54077 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA0024547  Cryptantha wigginsii Steve Boyd 1986-5-1 1797 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  UCR117331  Cucurbita foetidissima Mitch Provance 1998-6-11 661 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  SEINET3082941 Image available Cucurbita palmata Unknown 1965-3-7 Riverside Directly 3 miles s of Palm Desert on Palms to Pine highway 122 Comment
  SEINET3082945 Image available Cucurbita palmata C. M. Flanagan 1971-5-23 Riverside On the shoulder of 2 mile road, 29 Palms. Comment
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Mar 26 2014
  UC28914  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity Riverside 457 Comment
  POM70789  Cuscuta californica Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR261156  Cycloloma atriplicifolium A. C. Sanders, Katie Young, John Hale 2015-4-22 41592 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
  UCR117106  Cylindropuntia californica var. californica A. C. Sanders, T. B. Salvato 2001-5-16 24310 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  SEINET4604341 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-9-11 17610 .1 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 275 m west of Wood Spring, 580m SW of Cottonwood Spring, 37km east of Indio 881 Comment
  UCR20826  Cylindropuntia echinocarpa Don Emery 1980-5-15 s.n. Riverside Sonoran (Western Colorado) Desert, Coachella Valley, Devers Hill, near the So. Cal. Edison substation 305 Comment
  RSA297076  Cymopterus panamintensis var. acutifolius John F. Emmel 1974-4-27 486 Riverside Canyon 0.4 air mile NE of peak 3263 on 1956 USGS topographic quad. N end Coxcomb Mts. 762 Comment
  RSA781888  Cynanchum utahense Duncan S. Bell 2011-10-22 3005 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA706977  Cynodon dactylon L. M. Prince, J. I. Davis, J. Mark Porter, R. Cerros, N. Refulio 2002-3-16 2 -265 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
  UCR92728  Cyperus difformis A. C. Sanders 1994-7-26 15150 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  RSA522099  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3792 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR207810  Cyperus esculentus O. F. Clarke 2004-7-7 s.n. Riverside San Bernardino Valley Region, Riverside, Victoria Ave. bridge at Arroyo Tequesquite 262 Comment
  UCR115347  Cyperus involucratus A. C. Sanders, Steve Boyd 2000-11-30 23726 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  UC1100637  Cyperus rotundus Herbert L. Mason and S. Galen Smith 1948-9-3 503 Riverside Thermal Comment
  UCR8075  Cyperus rotundus G. Poinar 1962-11-29 s.n. Riverside Western Colorado Desert, Coachella Valley, Thermal -37 Comment
  UCR2294  Dactylis glomerata C. A. Johnson 1915-6-14 s.n. Riverside Rubidoux, Citrus Experiment Station 259 Comment
  UCR263723  Dactylis glomerata Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4993 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  RSA0027467  Dalea mollis Deidre Conocchioli, Naomi Fraga, Billy Sale 2013-9-25 61 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA0029323  Dalea mollis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4687 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA0122706  Dalea mollis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9058 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
  RSA644208  Dalea mollissima V. W. Steinmann 1999-10-26 1413 Riverside foothills of the Chuckwalla Mountains, open desert ca. 0.5 km south of Desert Center. 275 Comment
  UCR52009  Dalea mollissima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2167 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA782036  Dasyochloa pulchella Duncan S. Bell 2011-10-22 2979 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UC26101  Datura wrightii Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UCR199633  Datura wrightii Scott D. White 2004-4-26 10245 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA525264  Daucus pusillus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4577 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR223967  Daucus pusillus A. C. Sanders 2011-3-23 38803 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  SEINET7048191  Daucus pusillus Steven R. Hill, Andrew C. Sanders 2001-5-4 33700 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  UCSB37786  Deinandra fasciculata Roos, John 1965-6-19 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  SD240867  Deinandra kelloggii A. C. Sanders, John F. Green 2012-6-1 40224 Riverside Peninsular Range; Santa Ana Mtns. Region: old railroad grade in hills between I-15 and Temescal Canyon Rd., 0.6 km WNW (295a^z) of El Hermano Rd. junction with Temescal Cyn. Rd. 324 Comment
  SD247321  Deinandra kelloggii Andy Sanders, S. Leatherman, J. Crain 2015-4-6 41570 Riverside Peninsular Range: Temescal Valley, large open parcel between Horsethief Canyon Road and Hostettler Road just south of I-15. 391 Comment
  RSA0012175  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  SBBG128630  Deinandra paniculata J. George 2011-7-18 Riverside Elsinore Trough, N Lake Elsinore, just W of Nichols Rd and Collier Ave jct , W side of riparian strip 384 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
  UCR266426  Deinandra paniculata D. E. Bramlet, Bill Wagner 2009-10-19 4403 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.75 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 470 Comment
  SJSU5503  Delairea odorata R. A. Anderson 1964-12-25 Riverside Riverside 259 Comment
  UC1031413  Delphinium parishii H. Lewis and C. Epling 1941-5-4 Riverside 5 mi s White Tank (on road to Pinto Basin); Joshua Tree Nat. Mon. Comment
  UCR157113  Delphinium parishii A. C. Sanders 1995-4-13 16485 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  IRVC26833  Delphinium parryi subsp. parryi S. D. White 1997-2-28 4711 Riverside Elsinore Basin, SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy 457 Comment
  RSA700102  Delphinium parryi subsp. parryi Virginia Moran 2003-5-23 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center fot Natural Lands Management. Section 33 of two that comprise mitigation bank. (Section 27 and 33). Accessed from Wilson Valley Road. Comment
  UC188655  Delphinium parryi subsp. parryi S. B. and W. F. Parish Mar 1883 256 Riverside border Colorado Desert; Cabezon Station, S.P.R.R. Comment
  CAS-BOT-BC116422  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence 487 Comment
  SEINET3208900  Dendromecon rigida G. Goodwin 2012-6-14 3456 Riverside San Jacinto Mountains, at vista south of Idyllwild adjacent to highway 243 1650 Comment
  POM122684  Dendromecon rigida subsp. rigida Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA433239  Dendromecon rigida subsp. rigida N. C. Cooper 1945-5-5 2260 Riverside San Gorgonio Mountains above Banning. 1067 Comment
  UCR24984  Deschampsia elongata A. C. Sanders 1980-8-21 1778 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  JEPS53424  Descurainia californica W. L. Jepson 1928-4-25 12572 Riverside n of Shavers Well (Cottonwood Springs); Colorado Desert, Cottonwood Springs 731 Comment
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Jan 6 2009
  RSA740249  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-7-8 12386 Riverside Johnson Meadow. 1439 Comment
  UC489085  Descurainia obtusa subsp. adenophora C. V. Meyer 1928-7-26 522 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  RSA67308  Descurainia pinnata G. R. Campbell 1951-4-22 16000 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt. [Santa Rosa Mt Truck Trail]. 1371 Comment
  UCR85280  Descurainia pinnata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Pinto Mtns, at bottom of Grand Tank (dry) 1189 Comment
  UCR89593  Descurainia pinnata Bern Schwenn 1994-4-29 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument (Park)., flat country east of Lost Horse Mtns, near Mystery Hole. In wash near mine tailings (Sec. 34, south of Cal. Riding and Hiking Trail) and near old road to Indio 1311 Comment
  CAS-BOT-BC43363  Descurainia pinnata subsp. glabra Nancy Ryan Zabriskie 1970-3-27 262 Riverside Near Ryan cabin. Andreas Canyon, near Palm Springs. 365 Comment
  POM369390  Descurainia pinnata subsp. glabra M. B. Dunkle 1932-3-25 2888 Riverside Cabazon. Colorado desert. 457 Comment
  UC494462  Descurainia pinnata subsp. glabra Philip A. Munz 1932-3-14 11989 Riverside Deep Canyon; Coachella Valley 91 Comment
  CSUSB964  Dicentra chrysantha Richard Sayre 1972-5-7 Riverside Santa Rosa Road 7 miles from Murietta. Comment
  JEPS9739  Dicentra chrysantha Marjorie D. Clary 1932-7-4 1214 Riverside Aguanga Valley 609 Comment
  UCR76181  Dicentra chrysantha B. G. Pitzer, Stu Hemstreet 1992-5-21 1948 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  RSA367527  Dichelostemma capitatum subsp. pauciflorum N. C. Cooper 1944-4-8 1093 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  CAS-BOT-BC292181  Dicoria canescens Mrs. Robert Campbell 1921-11-26 2 Riverside Palm Springs Comment
  JEPS30682  Dicoria canescens Peter H. Raven 1961-10-8 16840 Riverside along Snow Creek Road (near State Hwy 111); Whitewater Wash 350 Comment
  POM145442  Dicoria canescens Marcus E. Jones 1928-1-3 9144 Riverside Indio. Comment
  POM184344  Dicoria canescens Thos. Craig 1932-1-10 1794 Riverside In Wash, Cathedral Canyon, Colorado Desert. 122 Comment
  SBBG34737  Dicoria canescens T. L. Secrest 1950-3-12 Riverside near Indio Comment
  SDSU13004  Diplachne fusca var. uninervia Michael G. Simpson 1999-10-27 2046 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  CAS-BOT-BC153099  Diplacus fremontii Wesley Griesel 1962-6-29 s.n. Riverside Dork Canyon, San Jacinto Mts. 1920 Comment
  RSA0019409  Diplacus fremontii John Olmsted 1958-6-15 178 Riverside May Valley Truck Trail, 2 mi. SE of Saunder's Meadow SW of Idyllwild (turn S from Idyllwid-Hemet Rd. at Idyllwild school). San Jacinto Mtn range, San Jacinto R. drainage. 1646 Comment
  UC110733 Image available Ditaxis californica H. M. Hall 1905-4-1 5796 Riverside 7 mi w Coachella; Marshall Canyon; 7 miles W of Coachella, Marshall Canon, Colorado Desert, Riverside Co. 30 Comment
  RSA600221  Ditaxis lanceolata L. C. Wheeler 1959-12-27 7644 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UCR211502  Ditaxis lanceolata Jim Andre, T. La Doux 2008-9-13 10270 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  GMDRC3100  Ditaxis neomexicana J. Andre, T. La Doux 2008-9-13 10261 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  RSA676115  Ditaxis neomexicana Scott D. White 2001-5-4 8447 Riverside Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio. 61 Comment
  RSA776244  Ditaxis neomexicana Duncan S. Bell 2010-3-20 595 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA793558  Ditaxis neomexicana Duncan S. Bell 2012-9-13 4188 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
  UCR104011  Ditaxis neomexicana George K. Helmkamp, E. A. Helmkamp 1998-2-5 2684 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR58871  Ditaxis neomexicana J. M. Stewart 1989-10-16 609 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  CSUSB522  Dithyrea californica Barry A. Vittor 1966-3-4 S. N. Riverside Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  JOTR35390  Dithyrea californica Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 178 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  POM14206  Dithyrea californica P. A. Munz, D. D. Keck 1922-4-14 4983 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash 91 Comment
  RSA651834  Dithyrea californica Brinkerhoff 1949-2-20 s.n. Riverside Thousand Palms, Colorado Desert. 762 Comment
  RSA718759  Dithyrea californica Michael Honer, L. Hulse 2004-4-14 1946 Riverside Rice Valley; appx. 2 mi. SE of Rice. 240 Comment
  RSA79155  Dithyrea californica P. A. Munz 1952-5-2 16251 Riverside 2 miles west of Desert Hot Springs 183 Comment
  SFV1460  Dithyrea californica P. M. Kennamer 1958-4-1 s. n. Riverside 0.75 miles north of Joshua Tree National Monument turnoff; 50 feet on west side of road. 30 Comment
  UCR70735  Dithyrea californica N. C. Cooper 1945-3-24 1618 Riverside Sonoran (Colorado) Desert; San Gorgonio Pass, Cabazon 457 Comment
  UCR85252  Dithyrea californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16186 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  SEINET10481685  Dithyrea californica David B. Dunn 1948-3-14 Dunn 3774 Riverside Found in flat open sands near hidden springs ranch 5 mi s of the indio hills in the colorado desert. Comment
  POM193556  Dodecahema leptoceras C. C. Parry, J. Lemmon 1876-1 367 Riverside Whitewater. Comment
  SEINET3088585 Image available Dodecatheon clevelandii Ed LaRue 1989-3-30 sn Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  JEPS14663  Dodecatheon redolens Carl V. Meyer 1928-7-26 544 Riverside vicinity Deer Springs (San Jacinto Mountains); , vicin Deer Springs 2743 Comment
  RSA508242  Downingia cuspidata R. F. Thorne 1974-5-23 44682 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
  LA204322  Draba corrugata Martha Hilend; 1928-8-7 sn Riverside Summit- San Jacinto Peak Comment
  CAS-BOT-BC41633  Draba corrugata var. saxosa J. Ewan 1930-9-1 s.n. Riverside Summit of Mount San Jacinto. 3293 Comment
  UC50305  Draba cuneifolia H. M. Hall Apr. 1903 3804 Riverside vicinity Riverside; vicinity of Riverside 609 Comment
  IRVC19372  Dryopteris arguta R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  SEINET6173084 Image available Dryopteris arguta S. Quan 1967-1 91 Riverside Ramona, Cleveland National Forest 366 Comment
  UCR172713  Dudleya lanceolata Jun Hu 2000-5-11 17 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  HSC85282  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Alberhill Mtn., lower slopes of S flank, just E of claymine area Comment
  RSA590724  Dudleya multicaulis R. E. Riefner 1996-5-16 96 -72 Riverside East side of Temescal Wash, community of El Cerrito Comment
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Jul 13 2010
  RSA397788  Dudleya saxosa subsp. aloides M. B. Dunkle 1933-3-3 3018 Riverside Devil's Cactus Garden Comment
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Mar 20 2011
  UC489261  Dudleya saxosa subsp. aloides C. V. Meyer 1928-7-24 521 Riverside Idyllwild Falls San Jacinto Mtns Comment
  SEINET4604429 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker 2007-10-17 16623 .1 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain 1420 Comment
  RSA0078225  Echinochloa colona Sarah J. De Groot, Amy Rouillard 2015-9-15 7563 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  SEINET3928586  Echinochloa colona Sears 1977-10-13 S 605 Riverside Wiley's Well exit off Interstate 10 near Playa Lake.; 0 122 Comment
  CLARK-A1528-55  Echinochloa crus-galli var. frumentacea Fred B. Essig 1966-9-12 Riverside Riverside Comment
  LA102326  Echinodorus berteroi J. C. Roos; 1937-6-7 2236 Riverside SAN JACINTO MOUNTAINS, vernal lake at foot of Jackrabbit Trail. Comment
  UCR85593  Echinodorus berteroi Julie A. Greene, S. D. Boyd,, D. E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1414 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  RSA356749  Elatine chilensis R. F. Thorne, E. W. Lathrop 1975-5-20 45543 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  CAS-BOT-BC113603  Eleocharis acicularis var. occidentalis E. Lathrop; O. Clark; S. J. Carlquist 1968-4-18 37455 Riverside Santa Rosa Plateau: shallow water at W end of vernal marsh on Mesa de Colorado, 670 Comment
  CLARK-A1528-15  Eleocharis montevidensis C. M. Flanagan 1973-6-13 OO 709 Riverside Morongo Indian Reservation 1127 Comment
  UCR109744  Eleocharis montevidensis T. W. Fisher 1963-10-3 s.n. Riverside Peninsular Range, Temecula area, Vail Lake 457 Comment
  RSA191443  Eleocharis montevidensis var. montevidensis E. W. Lathrop, Robert F. Thorne 1967-9-26 6629 Riverside 6 miles NW of Murrieta. Comment
  RSA271870  Eleocharis palustris C. W. Tilforth, Walter Wisura 1978-7-25 1648 Riverside Stream parallel to Murrieta - De Luz Road, 1.9 mile west of Murrieta. Comment
  UCR116677  Elymus condensatus A. C. Sanders, Chet McGaugh 2001-7-26 24470 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UC472733  Elymus elymoides subsp. elymoides A. S. Hitchcock 1921-6-15 Riverside Idyllwild San Jacinto Mt. Comment
  CAS-BOT-BC206527  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-8-5 3944 Riverside San Jacinto Mts., along trail from Tahquitz Valley to San Jacinto Peak 2621 Comment
  UCD62337  Elymus glaucus subsp. glaucus Peter Kamb 1948-7-4 1181 -b Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UCR24986  Elymus hispidus A. C. Sanders 1980-7-18 1677 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  RSA401418  Emmenanthe penduliflora Martha Hilend 1928-3-11 s.n. Riverside Morongo Pass, Colorado Desert region. Comment
  JEPS34095  Encelia actoni Marjorie D. Clary 1932-5-12 1904 Riverside Lost Horse Canyon north Colorado Desert, Little San Bernardino Mountains, Lost 1066 Comment
  UCR116782  Encelia actoni A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24166 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR23768  Encelia actoni John C. Roos 1942-6-20 992 Riverside San Jacinto Valley, E of Hemet Comment
  UCR260844  Encelia actoni A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41509 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  HSC88234  Encelia farinosa Elizabeth Neese 1979-4-10 7061 Riverside Joshua Tree National Monument S of Twenty-nine Palms, between Pinto Basin Jct. and Cottonwood Wash. 305 Comment
  LA202445  Encelia farinosa T. A. Geissman; sn Riverside Joshua Tree National Monument, S entrance Comment
  RSA613658  Encelia farinosa D. L. Banks, Victor Steinmann 1997-3-13 1462 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
  UC1871079  Encelia farinosa Steve Boyd, T. S. Ross, W. Appleby 1993-3-20 7888 Riverside Colorado Desert; Northeastern Colorado Desert region; 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
  UC1930006  Encelia farinosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10494 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
  POM31393  Encelia farinosa var. farinosa Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  POM356698  Encelia farinosa var. farinosa Norman C. Cooper 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA151102  Encelia farinosa var. farinosa Peter H. Raven 1962-4-7 17113 Riverside Whitewater Wash 1.5 miles north of U.S. Highway 70--99. Comment
  RSA48418  Encelia farinosa var. farinosa E. K. Balls 1949-4-2 12903 Riverside Near Durmid, by the Salton Sea on Hwy 111, Colorado Desert. -67 Comment
  JOTR35369  Encelia frutescens Harding, Mitzi, M. Wheeler 2011-1-26 153 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, between NE Eagle Mountains and W Coxcomb Mountains along dirt road (STOP1) 267 Comment
  RSA0107844  Encelia frutescens Duncan S. Bell, Thomas Stoughton 2010-3-19 582 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  SD229015  Ephedra aspera Dick Schwenkmeyer 2013-6-11 915 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  POM259669  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside Whitewater Canyon, 2 miles north of Banning- Indio Boulevard Comment
  SD247265  Ephedra californica A. C. Sanders, Jim Malusa 2015-3-9 41358 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi south of Btradshaw Trail, US Navy Choc olate Mountains Aerial Gunnery Range (Red Cloud Canyon 7.5'Q) 679 Comment
  UCD133047  Ephedra californica James B. Garner 1959-3-17 408 Riverside vicinity of White Water, north of Palm Springs. Comment
  UCD133067  Ephedra californica F. A. Thackery 1928-3-6 254 A Riverside White Water. Comment
  UCR274797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-4-30 068 B Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, at the bottom of Rice Valley, c. 2 miles south of Hwy 62, south of the RR tracks 243 Comment
  JOTR35179  Epilobium ciliatum subsp. ciliatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3278 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  POM48735  Epilobium densiflorum P. A. Munz 1924-7-29 8818 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA0103095  Epilobium glaberrimum subsp. glaberrimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8545 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA249865  Epipactis gigantea Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38152 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  SBBG28899  Epipactis gigantea N. C. Cooper 1944-4-8 1062 Riverside Andreas Cyn 365 Comment
  RSA741376  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-5-15 11977 Riverside Johnson Meadow. 1415 Comment
  UCR251992  Eragrostis A. C. Sanders, T. B. Salvato 2014-7-2 41160 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  JOTR16778  Eragrostis cilianensis Hogan, J. 1975-9-6 163 Riverside Joshua Tree National Park. PLEASANT VALLEY PLAYA 999 Comment
  POM78995  Eragrostis pectinacea I. M. Johnson 1925-7-19 s.n. Riverside Pedley. Comment
  SD225015  Eremalche exilis A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16022 Riverside Coachella Valley: Indio, just SE of the Whitewater River Channel at Auto Center Dr. (Hwy 111) -7 Comment
  RSA27803  Eremalche rotundifolia C. L. Hitchcock 1940-4-4 5955 Riverside Pinto Basin. Comment
  UCR148332  Eremalche rotundifolia John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  CHSC109246  Eremogone macradenia var. macradenia Scott D. White; Justin M. Wood 2008-6-17 12182 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). Meadow and adjacent uplands. 1390 Comment
  SEINET259019  Eremopyrum bonaepartis B. L. Johnson G 914 Riverside CULTIVATED; Grown at University of California Los Angeles Comment
  UC1929913  Eriastrum densifolium subsp. austromontanum Scott D. White, Angelia Carey 2004-7-2 10569 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR35045  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-6-14 159 Riverside San Jacinto Valley, 1 mi. east of San Jacinto 473 Comment
  CAS-BOT-BC514375  Eriastrum densifolium subsp. elongatum Mitch Provance 1998-6-6 686 B Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just E of corner of 29th St and Scenic Dr 299 Comment
  RSA0110546  Eriastrum densifolium subsp. elongatum Mark Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, Adjacent to Dripping Springs Public Campground road, ca. 500 m south of terminal loop of campground road, along east side bank of creek. 488 Comment
  UC1094400  Eriastrum eremicum subsp. eremicum John Ingram 1955-4-18 214 Riverside Along US Highway 99, 1/4 mi W of the junction with the road to Twenty-nine Palms. Comment
  CAS-BOT-BC514451  Eriastrum eremicum subsp. eremicum H. M. Hall 1901-6-1 2119 Riverside San Jacinto Mountains: eastern base, along the borders of the Colorado Desert Comment
  RSA0120094  Eriastrum eremicum subsp. eremicum Ernest Braunton 1940-3-4 2027 Riverside 5 mi. East of Shaver's Well. Comment
  RSA0120102  Eriastrum eremicum subsp. eremicum Verne Grant, Alva Grant 1953-5-15 18460 Riverside Open desert plains, near Palm Srpings Rwy Station 122 Comment
  RSA0121257  Eriastrum eremicum subsp. eremicum Robert Gustafson 1980-5-5 1572 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  RSA0120744  Eriastrum harwoodii E. C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mts. 1585 Comment
  RSA0120672  Eriastrum harwoodii David Gowen 2008-3-25 822 Riverside Sand dunes about 3 miles south of Rice. Comment
  UC23874  Eriastrum sapphirinum H. M. Hall 1896-8-27 329 Riverside Strawberry Valley San Jacinto Mountains 1584 Comment
  UC552457  Eriastrum sapphirinum Carl V. Meyer June, 1927 152 Riverside Temecula Comment
  UCR167058  Eriastrum sapphirinum Scott D. White, Jennifer H. Jones 2005-5-24 11099 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  RSA0122948  Eriastrum sapphirinum subsp. dasyanthum T. B. Salvato, John Green 2004-5-27 623 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  RSA0121578  Eriastrum sapphirinum subsp. dasyanthum J. T. Howell 1928-7-8 1044 Riverside Near Glen Ivy. 396 Comment
  RSA592678  Ericameria cuneata Scott D. White 1996-7-2 4255 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
  RSA747513  Ericameria cuneata var. spathulata Justin M. Wood 2009-3-10 353 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  SD255094  Ericameria cuneata var. spathulata Duncan S. Bell 2015-9-30 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  OBI29877  Ericameria linearifolia Melissa Luckow, Rhonda Riggins 1982-4-15 824 Riverside Pinyon Pass Rd., 0.1 mi NW of Hwy 74 1006 Comment
  JOTR16590  Erigeron breweri var. covillei Hogan, J. 1974-6-24 187 Riverside Joshua Tree National Park. 0.6 MILES WEST OF BARRIEADE AT UPPER COVINGTON FLATS Comment
  SEINET192956  Erigeron foliosus Lester Rowntree 1936-5-16 Riverside Pines to Palms Highway. Comment
  JEPS41514  Erigeron foliosus var. foliosus W. L. Jepson 1901-5-24 1419 Riverside Van Deventer's Ranch Santa Rosa Mts. 1493 Comment
  LA205565  Eriodictyon crassifolium Elizabeth McClintock; 1940-4-23 sn Riverside San Jacinto Mountains, Idyllwild Grade Comment
  LA205602  Eriodictyon crassifolium D. A. Johansen; J. A. Ewan 1932-4-10 7091 Riverside San Jacinto Mountains, Tahquitz Canyon. W Colorado Desert Comment
  RSA182205  Eriodictyon crassifolium P. A. Munz 1932-4-24 12320 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA455026  Eriodictyon crassifolium H. de Forest 1924-4-18 s.n. Riverside Andreas Canyon. Comment
Read comments
Nov 17 2011
  UC501499  Eriodictyon crassifolium D. A. Johansen and J. A. Ewan 1932-4-10 7091 Riverside mouth of Tahquitz Canyon; western Colorado Desert, mouth of Tahquitz Canyon Comment
  UCR172805  Eriodictyon crassifolium Abby Sirulnik 2000-4-13 07 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  OBI83154  Eriodictyon crassifolium Cecelia Call 1958-6-14 10 Riverside One-third mile south of Cleveland National Forest boundary-Tinmine 2 meters high. Comment
  SD229191  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer 2012-5-22 716 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR270180  Eriodictyon crassifolium var. crassifolium A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42396 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA455110  Eriodictyon trichocalyx Larry E. DeBuhr 1977-5-6 2588 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  JOTR16711  Eriodictyon trichocalyx var. trichocalyx Hogan, J. 1974-6-24 77 Riverside Joshua Tree National Park. 1.5 MILES WEST OF EUREKA PEAK 1554 Comment
  CAS-BOT-BC248633  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Pk., San Jacinto Mt 2499 Comment
  POM161534  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Peak. 2439 Comment
  UCR26508  Eriogonum apiculatum A. C. Sanders, J. A. Harpel 1981-8-26 2333 Riverside Santa Rosa Mtns., About 100 ft below the summit of Toro Peak 2622 Comment
  SEINET6340502  Eriogonum davidsonii Norman C. Cooper 1944-6-16 1558 Riverside San Jacinto Mountain, above Pine Cove 2073 Comment
  UCSB37821  Eriogonum davidsonii Sanders, A. 1980-7-18 Riverside Thomas Mountainj Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W1/2 sec. 28 2072 Comment
  UCR5708  Eriogonum deflexum Frank C. Vasek, O. F. Clarke 1966-9-11 660911- 02 Riverside Sonoran (Colorado) Desert, off ramp [from Hwy 60, now I-10] to [south entrance of] Joshua Tree National Monument from Riverside 475 Comment
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Jun 5 2008
  JEPS20728  Eriogonum deflexum var. deflexum Roxana S. Ferris and Rimo Bacigalupi 1958-3-19 13258 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property); Little Maria Mts. Comment
  RSA191436  Eriogonum elongatum E. W. Lathrop, Robert F. Thorne 1967-9-26 6655 Riverside 4 mi. NW of Murietta, 1 mi. W of Santa Rosa Ranch. Comment
  UC1348957  Eriogonum evanidum Louis B. Ziegler 1967-10-10 Riverside Hemet Valley San Jacinto Mts., Hemet Valley 1402 Comment
  SEINET7907886  Eriogonum fasciculatum D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd between Perris & Lake Elsinore 488 Comment
  JOTR30673  Eriogonum fasciculatum var. flavoviride Andre, Jim, Tasha La Doux 2008-3-21 8829 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  UC667251  Eriogonum fasciculatum var. flavoviride Annie M. Alexander and Louise Kellogg 1941-5-15 2190 Riverside n base of Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  CAS-BOT-BC250135  Eriogonum fasciculatum var. polifolium A. C. Sanders; Mark Elvin; Vipul Joshi 2002-4-26 25034 Riverside The Badlands: west fork of Laborde Canyon near old rocket test facility 622 Comment
  RSA766104  Eriogonum fasciculatum var. polifolium Marjorie D. Clary 1932-5-22 1027 Riverside Berdoo Canyon, Little San Bernardino Mts. 1159 Comment
  SD143785  Eriogonum fasciculatum var. polifolium Scott D. White 1997-5-25 5227 Riverside San Jacinto Mts.; Bautista Canyon: Hixon Trail between trailhead at Bautista Ctn. Rd. and intermittent stream crossing 975 Comment
  SEINET9037371 Image available Eriogonum gracile M. Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-16 1456 Riverside Santa Rosa Mountains, at junction of Road 7S02 and 74, just west of Rarick Spring 1479 Comment
  POM153371  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1928-9-12 11255 Riverside Temescal Canyon. Comment
  POM184174  Eriogonum gracile var. gracile M. French Gilman 1932-11-30 12 Riverside Cabazon. Comment
  POM319088  Eriogonum gracile var. gracile Patricia Wilder 1971-9-29 5257 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  RSA239200  Eriogonum gracile var. gracile James L. Reveal, Caroline G. Reveal 1972-8-9 2856 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild Comment
  RSA486460  Eriogonum gracile var. gracile Richard Noyes, L. Arnseth 1988-10-30 756 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  POM12413  Eriogonum gracile var. incultum P. A. Munz 1922-9-6 6361 Riverside North of Dark Canyon. 1524 Comment
  RSA485411  Eriogonum gracile var. incultum Steve Boyd 1987-2-12 1966 Riverside Temescal Canyon, southeast of Corona, where Horsethief Wash crosses Temescal Canyon Rd. 354 Comment
  UCR59525  Eriogonum gracile var. incultum Steve Boyd, L. Arnseth, T. S. Ross 1989-6-4 3606 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 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-BC257579  Eriogonum inflatum C. L. Hitchcock 1940-4-3 5928 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument Comment
  RSA393579  Eriogonum inflatum var. inflatum N. C. Cooper 1944-4-8 1050 Riverside Andreas Canyon. 305 Comment
  JOTR32458  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2604 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  UC849229  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 mi ne along 29 Palms Road Cottonwood Springs; Joshua Tree National Monument Comment
  UCR244315  Eriogonum maculatum Jim Andre 2012-4-16 20890 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  RSA0099999  Eriogonum nudum var. pauciflorum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8570 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  RSA770788  Eriogonum pusillum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4528 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC1252147  Eriogonum pusillum Robert Langston 1964-4-27 Riverside 12 mi sw Palm Desert (Pinyon Crest); Pinyon Crest Comment
  JOTR32353  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  RSA424915  Eriogonum saxatile Christopher Davidson 1978-6-15 7396 b Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  CAS-BOT-BC263506  Eriogonum thomasii Geo. B. Grant 1906-4-20 541 Riverside Palm Springs, Colorado Desert Comment
  JEPS56257  Eriogonum thomasii W. L. Jepson 1914-5-18 6025 Riverside grade from Pinyon Well to Indio (County Well); County Well 304 Comment
  JEPS56270  Eriogonum thomasii Marjorie D. Clary 1932-5-25 1695 Riverside Berdoo Canyon Colorado Desert, Little San Bernardino Mts., Berdoo Canyon 762 Comment
  POM122028  Eriogonum thomasii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA176253  Eriogonum thomasii Robert F. Thorne 1963-3-29 32371 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  RSA264150  Eriogonum thomasii C. W. Tilforth, J. Dourley, W. Wisura 1977-5-20 1331 Riverside 2 miles south of Rice and Hwy 62 along Blythe-Rice Rd. 267 Comment
  RSA424859B  Eriogonum thomasii M. B. Dunkle 4912 Riverside Colorado Desert, east of Indio. Comment
  UCD101281  Eriogonum thomasii LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1459 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  UCR196356  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR74367  Eriogonum thomasii Theo Glenn 1991-5-2 91- 11 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCSC011195  Eriogonum thomasii Adam Searcy 2012-4-6 51 Riverside Bradshaw Trail Comment
  JEPS56246  Eriogonum thurberi J. Ewan 1930-4-17 2201 Riverside between S.P. Railroad and Snow Creek Comment
  UC849296  Eriogonum thurberi Alice Eastwood 1913-4-30 3075 Riverside Palm Springs Comment
  LA207115  Eriogonum wrightii var. membranaceum H. Lewis; 1939-10-22 1026 Riverside San Jacinto Mountains, Idyllwild Comment
  UC69159  Erioneuron pulchellum H. M. Hall 1905-5-1 5961 Riverside canyons near Colorado River; Colorado Desert Comment
  POM357971  Eriophyllum confertiflorum Norman C. Cooper 1944-4-22 1123 Riverside Banning 701 Comment
  RSA585179  Eriophyllum confertiflorum D. Atwood 1993-3-26 17661 Riverside 1.5 mi. S. of Lake Elsinore, along Hwy 74. 671 Comment
  RSA771124  Eriophyllum confertiflorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5001 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
  SDSU14032  Eriophyllum confertiflorum var. confertiflorum Dinna Estrella, M. G. Simpson 2002-4-20 20 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside field station. 335 Comment
  UCR110960  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp 1998-6-27 4088 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
  SEINET2051199 Image available Eriophyllum multicaule Ricardo Montijo 1990-4-27 Riverside Rancho California area: E. of Santa Rosa Plateau, Green Meadow Road off de Portoloa. Sage 7.5 610 Comment
  CLARK-A1528-1111  Eriophyllum wallacei Charles S. Papp 1965-5-1 816 Riverside San Jacinto River 609 Comment
  POM358157  Eriophyllum wallacei Norman C. Cooper 1945-5-6 2264 Riverside Banning 701 Comment
  RSA651115  Eriophyllum wallacei Marion P. Harthill 1971-3-19 33 Riverside Palm Desert. Comment
  RSA673511  Eriophyllum wallacei Scott D. White, Bill La Haye 2000-5-27 7941 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UC896371  Eriophyllum wallacei C. L. Hitchcock 1940-3-30 5879 Riverside Cottonwood Spring Comment
  SD143858  Erodium botrys A. C. Sanders, O. F. Clarke 1997-5-4 20671 Riverside Beaumont: Near railroad on east side of Highway 79, south of I-10. 793 Comment
  CSUSB47  Erodium cicutarium Kirby W. Brown 1966-4-7 Riverside Highway 71, 6.8 miles east of Temecula. 365 Comment
  UCR272902  Erodium cicutarium Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3067 Riverside Mojave Desert, east side of the Arica Mountains, Rice Valley, c. 6 air miles southeast of the ghost town of Rice 202 Comment
  UCR91548  Erodium moschatum A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18065 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  RSA390918  Erodium moschatum Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  CAS-BOT-BC54337  Erysimum capitatum Edmund C. Jaeger 1922-6-12 s.n. Riverside MacMullen Trail, east slope San Jacinto Mountains. 1127 Comment
  RSA530207  Erysimum capitatum var. capitatum N. C. Cooper 1949-6-29 4341 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA0014891  Erythranthe moschata J. D. Olmsted 1959-7-25 768 Riverside Lily Fork of Strawberry Creek at start of Devil's Slide Trail NE of Idyllwild. San Jacinto Mountains, Strawberry Creek drainage area. 1738 Comment
  JOTR33974  Eschscholzia La Doux, Tasha, M. Harding 2010-4-7 2862 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
  JOTR37469  Eschscholzia androuxii Hodges, Stephen, T. Green 2016-5-5 591 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) 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
  UCR77710  Eschscholzia caespitosa Steve Boyd 1991-5-10 6210 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  RSA777329  Eschscholzia glyptosperma Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 826 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
  RSA0022946  Eschscholzia minutiflora Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  UCD96505  Eschscholzia papastillii Shannon M. Still 2009-2-21 437 Riverside California. Riverside County. 170 Comment
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Sep 2 2017
  HSC49384  Eschscholzia parishii D. L. Goforth 1979-4-11 107 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  RSA480087  Eschscholzia parishii Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2176 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCR114123  Eschscholzia parishii B. G. Pitzer, J. Ross 1998-3-8 3616 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 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
  RSA0012826  Eucalyptus robusta Ed LaRue 1989-4-14 s.n. Riverside Old agricultural fields 0.5 mile S of Lakeview. 457 Comment
  RSA180274  Eucrypta chrysanthemifolia E. W. Lathrop 1965-5-18 5753 Riverside 8 miles W of Murrieta. 610 Comment
  RSA495797  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-11 2904 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA5017  Eucrypta chrysanthemifolia Dorothy R. Wolf 1932-3-20 17 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  UCR158524  Eucrypta chrysanthemifolia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30048 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
  UCR216395  Eucrypta chrysanthemifolia var. chrysanthemifolia Mike Bell 2008-3-30 027 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  SBBG61339  Eulobus californicus M. N. Ackley 1928-3-10 734 Riverside Bridge Haven 426 Comment
  CAS-BOT-BC202784  Euonymus occidentalis var. parishii H. M. Hall 1901-6-1 2299 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  SEINET10689684  Euonymus occidentalis var. parishii Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 19 Riverside San Bernardino National Forest. Fuller Mill Creek. Calocedrus decurrens forest, 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  CAS-BOT-BC202384  Euphorbia abramsiana Lewis S. Rose 1936-12-22 36807 A Riverside San Jacinto Mts., Palms to Pines Highway 17 mi. SW. of Indio 914 Comment
  UCR240040  Euphorbia abramsiana A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40513 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mountains, 0.9 km west of Dupont Rd. 756 Comment
  UCR240268  Euphorbia abramsiana Neal Kramer, Wendy McBride 2012-9-3 2069 Riverside Sonoran (Colorado) Desert, Palen Dunes Dr. between Palen Dry Lake and Ford Dry Lake, c. 1.5 mi. north of I-10 Fwy 116 Comment
  RSA0121209  Euphorbia jaegeri Duncan S. Bell, LeRoy Gross 2016-3-8 8816 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range, approximately 2 air miles east southeast of the summit for the range. 603 Comment
  POM249992  Euphorbia palmeri E. C. Jaeger 1928-05 s.n Riverside Pinon Alta Flats, Riverside county Comment
  SDSU17677  Euphorbia polycarpa Jerry Jenkins 2001-4-3 2001 -039 Riverside Santa Margarita Ecological Reserve. Road to mine, UTM zone 6, 482900E, 3699600N. Comment
  UCR113197  Euphorbia polycarpa A. C. Sanders 1998-3-11 21670 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR124637  Euphorbia polycarpa B. C. Templeton, I. W. Clokey 1930-4-9 1013 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR241690  Euphorbia polycarpa T. B. Salvato 2013-3-22 7402 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  OBI14408  Euphorbia polycarpa var. hirtella Lewis S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  UCR101410  Euphorbia serpillifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22235 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  UCR96419  Euphorbia serpillifolia subsp. hirtula George K. Helmkamp, E. A. Helmkamp 1997-1-8 1279 Riverside Sonoran (Colorado) Desert, Palm Springs. Lawn at El Cielo and Tahquitz-McCallum 152 Comment
  JOTR33810  Fagonia laevis La Doux, Tasha, B. Truesdell 2007-11-9 3327 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  RSA391201  Fagonia laevis Jack Rempel, Lester H. Cushman 1932-3-13 15516 Riverside Deep Canyon Colo. Desert. Comment
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Dec 10 2011
  SBBG3963  Fagonia laevis H. and M. Dearing 1936-12-25 966 Riverside 10 mi N of Indio on Aqueduct Rd [Long Cyn] Comment
  SJSU4939  Fagonia laevis J. A. Schroeder 1969-4-1 8 Riverside 10 mi N of Blythe Comment
  JOTR31928  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2169 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  UCR88739  Festuca microstachys A. C. Sanders 1995-4-13 16508 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCR104078  Festuca myuros A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20653 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
  UCR114816  Festuca myuros Mitch Provance, Seychelle Provance 1998-2-21 99 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  UCR228881  Festuca octoflora A. C. Sanders 2011-4-6 38997 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR33689  Festuca octoflora Sears 1978-3-16 827 Riverside Sonoran (Colorado) Desert, 2.5 mi NW of Midland, in wash area beyond gap between Little Maria and Big Maria Mtns 270 Comment
  CLARK-A1045-169  Filago arizonica George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA736575  Filago arizonica Keith E. Hoffmaster 1935-3-31 571 Riverside Palm Springs. Comment
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Aug 27 2011
  RSA586504  Filago californica D. L. Banks, Steve Boyd 1995-5-9 0335 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR225189  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 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
  RSA387347  Filago gallica Steve Boyd 1986-5-7 1842 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  CSUSB2046  Fouquieria splendens Wayne White 1975-5-17 707 Riverside Red Cloud Road south of Highway I-10. Chuckwalla Mountains. 441 Comment
  RSA81010  Fouquieria splendens F. W. Peirson 1921-3-23 2391 Riverside Deep canyon wash, south of Coachella Valley Comment
  UCSB7366  Fouquieria splendens Leeuwen, Henry 1957-4-13 Riverside Near juncture of Cal Hwy. 195 and U.S. 60 Comment
  SEINET11979961  Fouquieria splendens Unknown 1936-1 12826 Riverside Foothills of San Jacinto Mts. S of Palm Springs Comment
  CLARK-A1656-660  Franseria dumosa Lois Ann Scott 1978-11-17 Riverside San Jacinto Mountains 152 Comment
  RSA715054  Fraxinus uhdei A. C. Sanders, T. B. Salvato 2003-5-21 26806 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  SD90097  Fraxinus velutina var. coriacea Nancy Ryan Zabriskie, Walter Zabriskie 1972-10-22 544 Riverside Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, north slope Santa Rosa Mountains. 1096 Comment
  POM182212  Funastrum cynanchoides var. hartwegii P. A. Munz 1932-4-24 12397 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA0118592  Funastrum hirtellum Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7649 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. East side of Mecca Hills, east-northeast of Mecca. 281 Comment
  RSA49193  Funastrum hirtellum P. A. Munz 1949-4-12 13041 Riverside Dry rocky ridgen and slopes, edge of limestone and hematite bear Iron Chief Mine, north end of Eagle Mts. Mohave Desert. 1067 Comment
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Jun 26 2009
  RSA718571  Funastrum hirtellum Michael Honer, L. Hulse 2004-4-3 1890 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  LA208395  Galium andrewsii Robert G. Engman; sn Riverside San Jacinto Mountains, San Jacinto Mts Comment
  SDSU9312  Galium angustifolium Bruhns 1965-5-23 129 Riverside At 2000' sign along state Hwy 74, below Idyllwild. 610 Comment
  UCR180698  Galium angustifolium Mitch Provance 2003-4-26 9881 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  JEPS56078  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4249 Riverside steep s-facing slope just below Toro Peak ((i.e. s of saddle e of peak)); Santa Rosa Mts. 2499 Comment
  POM367706  Galium angustifolium subsp. angustifolium M. M. Thompson 1947-6-9 C 2076 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SBBG68828  Galium angustifolium subsp. angustifolium R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  RSA500216  Galium angustifolium subsp. gracillimum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3527 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD73599  Galium aparine Helen V. Witham 1970-5-1 846 Riverside steep north bank, Bautista Canyon, southeast of Hemet 800 Comment
  UCD121711  Galium aparine E. W. Lathrop 1982-8-5 s.n. Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland Nat'l Forest, Trabuco District. 274 Comment
  UCR20792  Galium aparine A. C. Sanders, Steve Boyd 1980-5-2 1412 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR213474  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37842 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR22051  Galium aparine Steve Boyd 1980-4-27 150 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  JOTR34214  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3006 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  POM12870  Galium parishii Philip A. Munz 1922-7-6 6022 Riverside Near Hidden Lake. 2561 Comment
  RSA613406  Galium porrigens D. L. Banks 1997-4-5 1685 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  UCR274316  Galium porrigens Jennifer H. Jones, Scott D. White 2005-5-25 94 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  POM15038  Galium stellatum Mary F. Spencer 1922-4-3 589 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 213 Comment
  POM367814  Galium stellatum Christopher Davidson 1979-4-4 7727 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA776349  Galium stellatum var. eremicum Duncan S. Bell 2010-3-20 619 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  CAS-BOT-BC178388  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside By Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, N Slope Santa Rosa Mts. 1097 Comment
  UCR101447  Garrya flavescens A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22222 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  RSA752813  Gayophytum A. C. Sanders, Tim Thomas 2008-8-1 35932 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  CAS-BOT-BC303582  Geraea canescens F. A. M. 1936-3-20 14484 Riverside Morongo Valley Comment
  POM358668  Geraea canescens Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  POM47485  Geraea canescens Mary F. Spencer 1920-3-11 1482 Riverside In desert sand, Mecca -60 Comment
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Nov 8 2011
  SEINET236366  Geraea canescens Scott D. White, Pam Devries 1998-2-9 6071 Riverside La Quinta/ Palm Desert Area: White water River Channel at and near Miles Ave. Crossing. Coachella Valley. 30 Comment
  UCR126261  Gilia Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  UCR139140  Gilia John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA586845  Gilia angelensis D. L. Banks, S. D. Boyd 1995-5-3 0264 B 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
  UCR171980  Gilia angelensis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR178281  Gilia angelensis T. B. Salvato, Tracy Tennant 1998-1 MOR- 801 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  UCR281270  Gilia angelensis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 48 Riverside Perris-Aguanga Basin, Menifee, Bundy Canyon Rd., NE intersection with Sunset Ave. 534 Comment
  UCR97490  Gilia australis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19891 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  HSC86247  Gilia capitata Jane Hildreth 1981-6-4 21 Riverside 7 mi. S of Banning along Hwy. 243 1220 Comment
  UCR241183  Gilia capitata Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 09 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  RSA618171  Gilia capitata subsp. abrotanifolia D. L. Banks 1997-5-5 2015 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UC908922  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1926-5-2 3196 Riverside Temecula Valley Comment
  UCSB46698  Gilia capitata subsp. abrotanifolia Leen, Rosemary 1977-5-29 Riverside San Jacinto Mts.; Highway 243, south of Twin Pines Road turnoff 1219 Comment
  UCR70963  Gilia diegensis Steve Boyd, D. E. Bramlet 1990-4-29 4514 Riverside Peninsular Range, Vail Lake area, benches along Kolb Creek, west of Dripping Springs, N and south of Hwy 79. 488 Comment
  UC1931687  Gilia latifolia J. Wear, N. Moorhatch 1993-6-11 Riverside Mecca Hills 60 Comment
  UCR167250  Gilia latifolia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA774718  Gilia modocensis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4523 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0016275  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside Lower Bee canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  RSA0017266  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4642 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  SD114222  Gilia ochroleuca subsp. exilis Darley F. Howe 1969-5-15 4589 Riverside Near Dripping Springs camp ground. 456 Comment
  SD160887  Gilia ochroleuca subsp. exilis Virginia Moran 2003-3-26 Riverside Perris-Aguanga Basin region: Wilson Valley Mitigation Bank. Comment
  UCR281257  Gilia ochroleuca subsp. exilis Mitch Provance, Jeremiah George 2017-3-23 317- 63 Riverside Temescal Valley, Indian Wash, NE of I-15 and S of Temescal Canyon Rd. 351 Comment
  SEINET7048157  Gilia ochroleuca subsp. exilis Steven R. Hill 2001-5-3 33658 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
  HSC87253  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2186 Riverside NW end McCoy Mtns., NW of Blackjack Mine 400 Comment
  POM13890  Gilia stellata P. A. Munz, D. D. Keck 1922-4-9 4822 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA776092  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 824 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  RSA792047  Gilia stellata R. F. Thorne 1995-3-29 63022 Riverside White Water Canyon. 600 Comment
  SEINET3005070  Gilia stellata G. Rink 2011-5-1 10508 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UC880019  Gilia stellata C. L. Hitchcock 1940-3-31 5880 a Riverside 1/2 mi below Cottonwood Spring; below Cottonwood Spring Comment
  UCR1643  Gilia stellata William G. Truesdell 1962-3-25 32562- 3 Riverside San Bernardino Mtns./Western Colorado Desert, Whitewater Canyon, 1 mile from Hwy 60 457 Comment
  UCR216212  Gilia stellata Jim Andre, T. La Doux 2009-2-25 10826 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  SEINET238478 Image available Glinus lotoides A. C. Sanders, Mitch Provance 1999-1 23111 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gillman Springs Rd. 1.4 mi. S of Eden 433 Comment
  RSA33831  Gnaphalium californicum N. C. Cooper 1944-6-4 1367 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UCR174332  Gnaphalium californicum Jennifer H. Jones 2006-5-16 301 Riverside Peninsular Ranges, Box Springs Mtns. E end of Big Springs Road, N side 372 Comment
  UCR91659  Gnaphalium californicum D. L. Banks, Steve Boyd 1995-4-5 0158 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, east of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. 549 Comment
  RSA276715  Gnaphalium chilense John F. Emmel 1978-9-25 621 Riverside Santa Rosa Mts, Mtn Home Spring. 1921 Comment
  UCR241649  Gnaphalium luteoalbum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 355 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR96861  Gnaphalium palustre Scott D. White 1993-4-30 1317 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  CAS-BOT-BC140526  Gnaphalium stramineum Oleg Pryadko 2008-5-2 080 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UC55119  Gutierrezia californica H. M. Hall Apr 1903 3799 Riverside vicinity Riverside 396 Comment
  UCR89835  Gutierrezia californica Scott D. White 1993-5-27 1431 B Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UC1118589  Gutierrezia sarothrae A. Lewis 1933-1-26 137 Riverside Cactus Valley San Jacinto Quadrangle 640 Comment
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Mar 20 2011
  UCR109456  Haplopappus acradenius A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19659 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  UCR13690  Haplopappus menziesii J. Gull 1973-7-31 s.n. Riverside Hills east of Norco Comment
  HSC85385  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temscal Canyon: Along DePalma Rd. between Indian Truck Trail and Horsethief Canyon. 1.0 mi. E of Indian Truck Trail Comment
  UC2029948  Harpagonella palmeri Steve Boyd 2001-4-12 10414 Riverside GAVILAN HILLS REGION: Southeast 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
  UCR252809  Harpagonella palmeri Ana Hernandez, Karyn L. Drennen 2014-5-9 053 Riverside Perris Aguanga Basin, Santa Ana Mountains, foothills. Sycamore Creek Conservation Easement. 40 meters east of Campbell Ranch Road, 90 meters north of intersection with Indian Truck Trail 365 Comment
  RSA0066613  Harpagonella palmeri F. W. Peirson 1922-5-19 3029 Riverside 2.5 miles NE of Murrieta on the road to Perris. Comment
  RSA653158  Hazardia squarrosa Mitch Provance 1998-6-6 697 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just E of corner of 29th St. and Scenic Drive 305 Comment
  RSA0045287  Helianthus annuus subsp. lenticularis Margaret Murphy 1983-5-15 0024 -C Riverside Dry river wash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCSB39110  Heliotropium curassavicum Jorgensen, Jan 1982-3-23 Riverside Desert Beach along Highway 111, Salton Sea -70 Comment
  RSA357130  Heliotropium curassavicum var. oculatum R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37612 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  UCR121807  Hemizonia fasciculata A. C. Sanders, Carolyn Washburn 2001-4-17 24061 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR133665  Hemizonia fasciculata Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR136201  Hemizonia fasciculata A. C. Sanders 2004-6-20 28221 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  RSA92594  Hemizonia fasciculata J. C. Roos 1952-5-14 5669 Riverside San Jacinto river bottomlands 1 miles southeast of Perris. 426 Comment
  RSA773102  Hemizonia kelloggii Duncan S. Bell, J. D. England 2010-6-7 1273 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 775 Comment
  UCR260605  Hemizonia kelloggii A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41570 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 392 Comment
  UCR119407  Hemizonia paniculata Mitch Provance 1998-6-20 704 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR172215  Hemizonia paniculata John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  RSA335027  Hemizonia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  UCR110917  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22816 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR120196  Herniaria hirsuta subsp. cinerea Mitch Provance 1998-3-6 144 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  IRVC14057  Hesperocallis undulata C. A. Taylor 1966-4-8 66 83 Riverside 15 Mi E of 29 Palms, off road to Parker Dam. Mojave Desert 610 Comment
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Nov 30 2014
  SEINET3196409 Image available Hesperocallis undulata John F. Green 2005-1 s.n. Riverside Sonoran (Colorado) Desert; Salton Basin, east of Salton Sea, c. 4 mi N of Niland; Coachella Canal right of way, between siphones 10 and 11, along county road west of canal (Wister 7.5' Q. ) 26 Comment
  CAS-BOT-BC508661  Hesperocallis undulata H. M. Hall 1905-4-1 5831 Riverside Mecca Comment
  UCR107704  Hesperocnide tenella A. C. Sanders 1997-3-1 19753 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
  UCR195118  Heterocodon rariflorum A. C. Sanders, Tim Thomas 2008-8-1 35947 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  SDSU9054  Heteromeles arbutifolia James C. Dice, Ruth Miller 1987-11-23 754 Riverside Temecula Gorge, north bank of Santa Margarita River, just east pf aqueduct crossing. T8S, R3W, SE 1/4 of NE 1/4 of section 27. 244 Comment
  UCR136161  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  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
  UCR92775  Heterotheca sessiliflora subsp. fastigiata F. M. Reed 1933-9-20 8083 Riverside San Jacinto Mtns., N shore of Hemet Lake 1525 Comment
  RSA0036012  Heuchera hirsutissima Robert F. Thorne, Walter Wisura 1977-9-17 50801 Riverside San Jacinto Mountain: summit 3293 Comment
  POM118516  Hibiscus denudatus Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM12913  Hieracium horridum P. A. Munz 1922-6-28 5887 Riverside Toro Peak; Santa Rosa Mts. 2439 Comment
  RSA0107461  Hilaria rigida Duncan S. Bell 2011-9-30 2944 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA660232  Hirschfeldia incana M. Duke, Christy Hightower, C. McElroy 1982-5-15 4 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  SBBG13739  Hoffmannseggia microphylla E. R. Blakley 1961-9-10 4709 Riverside Cactus City, US Hwy 60-70 E of Indio 504 Comment
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Mar 20 2011
  SD262165  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417 84 Riverside Elsinore Trough: Baker St., 0.05 - 0.15 miles SE of Pierce St. Disturbed area. 384 Comment
  UCR75556  Hordeum intercedens A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  UCR114964  Hordeum marinum subsp. gussoneanum Fred M. Roberts 1992-4-25 4877 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  RSA0063031  Hordeum marinum subsp. gussoneanum Andrew Haimov, April Sleigh 1992-5-10 85 Riverside San Jacinto Wildlife Area next to reclaimed water storage area, approximately 1 1/2 miles east of Davis Road. Comment
  UC114267  Horkelia clevelandii C. R. Orcutt 1890-7-25 2104 Riverside San Jacinto Mts. Comment
  UCR4670  Horkelia clevelandii Frank C. Vasek 1964-7-19 640719- 04 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  HSC86252  Hosackia crassifolia Melody Lardner 1981-6-4 206 Riverside San Jacinto Mts., James Reserve 1616 Comment
  OBI13209  Hosackia crassifolia var. crassifolia Carl B. Wolf 1940-7-2 9719 Riverside E. Side of Santa Ana Mts Indian Cyn Truck Trl, 1/4 mi below Main Divide Comment
  CAS-BOT-BC311949  Hulsea heterochroma H. M. Hall 1901-6-1 2048 Riverside San Jacinto Mountains. In the vicinity of Chalk Hill 1524 Comment
  UC32859  Hulsea vestita subsp. callicarpha H. M. Hall Jun 1 1901-Jul 1 1901 2313 Riverside near Tahquitz; San Jacinto Mts. 2682 Comment
  RSA608478  Hydrocotyle ranunculoides L. C. Wheeler 1961-6-24 7907 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  POM147594  Hymenoclea salsola Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
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Oct 9 2010
  POM48452  Hymenoclea salsola P. A. Munz 1925-3-7 9348 Riverside Painted Canyon, Mecca. Comment
  SEINET2030094 Image available Hymenoclea salsola L. R. Abrams 1941-4-24 13935 Riverside San Gorgonio Pass, near Cabazon Comment
  RSA783047  Hypericum androsaemum J. D. Olmsted 1959-7-1 721 Riverside Wellman's Cienega along trail from Idyllwild to San Jacinto Pk. by way of Fern Valley and Devil's Slide. 2805 Comment
  RSA613641  Hypochaeris glabra D. L. Banks, Victor Steinmann 1997-3-13 1478 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
  CAS-BOT-BC219735  Hyptis emoryi M. Bourell; R. Patterson 1987-4-14 3268 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  CAS-BOT-BC219775  Hyptis emoryi L. S. Rose 1946-12-27 46308 Riverside Dead Indian Creek Wash, Palms-to-Pines Highway, 7 miles southwest of Indian Wells 274 Comment
  POM118341  Hyptis emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SEINET3197211 Image available Hyptis emoryi Andrew C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37473 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 (mcCoy 7.5' Q) 204 Comment
  UCD124927  Hyptis emoryi G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  UCR226793  Hyptis emoryi Jim Andre 2011-2-9 15900 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR245920  Hyptis emoryi Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3945 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 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
  POM319665  Isocoma menziesii var. vernonioides Patricia Wilder 1971-11-11 5302 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  UCR60722  Isoetes howellii R. F. Thorne 1973-5-23 43852 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  CSUSB956  Isomeris arborea M. Quinlan 1974-4-18 Riverside Found in Riverside county about 4 miles from Palm Springs in the Agua Caliente Indian Reservation located in the San Andreas canyon. 304 Comment
  JOTR30786  Ivesia saxosa La Doux, Tasha, Erin Babich 2007-4-18 1516 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley Comment
  POM9788  Ivesia saxosa E. C. Jaeger 1921-11-15 254 Riverside Near Desert Queen Mine 1220 Comment
  JEPS15904  Jepsonia parryi H. M. Hall 1896-12-12 345 Riverside Winchester Comment
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Mar 20 2011
  RSA596109  Jepsonia parryi D. L. Banks 1996-11-7 1204 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation., 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  RSA614104  Juglans nigra A. C. Sanders, T. Tennant 1997-11-14 21601 Riverside San Bernardino Mtns: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  UCR237513  Juncus acutus subsp. leopoldii Amber Swanson, Duncan S. Bell 2011-3-11 214 Riverside Mojave Desert, Coachella Valley Preserve, Willis Trail, Willis Palm Oasis near spring off Thousand Palms Road 104 Comment
  UCR111568  Juncus balticus Mitch Provance 1999-5-4 1687 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  HSC101589  Juncus bufonius Steve Boyd, G. D. Wallace 2005-7-30 11643 Riverside Peninsular Ranges; San Jacinto Mountains region; San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  RSA741157  Juncus bufonius var. occidentalis Scott D. White, Justin M. Wood 2008-5-15 11993 Riverside Johnson Meadow. 1415 Comment
  SBBG57264  Juncus effusus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  RSA309573  Juncus luciensis James R. Shevock 1975-4-28 4247 Riverside Mesa de Burro, Santa Rosa Plateau, southern Santa Ana Mountains. 600 Comment
  SBBG57287  Juncus macrandrus R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  GMDRC6564  Juncus macrophyllus J. M. Andre 2012-6-15 30519 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  UCR201685  Juncus oxymeris Scott D. White, Justin M. Wood 2008-6-19 12258 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA788095  Juncus rugulosus Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49553 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR116577  Juncus xiphioides D. L. Banks, E. H. Banks 1996-5-2 948 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  SD229040  Juniperus californica Dick Schwenkmeyer 2013-6-11 918 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  UCSB16168  Juniperus californica Field, Larry 1963-5-5 Riverside Piñon Flats Campground, 16.3 mi. SW of Palm Desert State Highway 74 Comment
  CAS-BOT-BC234569  Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Eagle Mts. 457 Comment
  HSC99794  Justicia californica J. J. Wagoner 1965-4-13 33 Riverside E slope of San Jacinto along Palms to Pines Hwy., 2 mi. W of Palm Desert. 76 Comment
  LA202781  Justicia californica Carl Epling; March 1927 sn Riverside Tahquitz Creek near Palm Springs Comment
  RSA38846  Justicia californica E. A. Purer 1933-3-25 4932 Riverside Palm Springs. Comment
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Aug 28 2011
  SEINET2163467 Image available Justicia californica M. A. Clauser 1966-3-13 425 Riverside Palm Springs, below Cable Car of highway 111.; san Jacinto Mountain Range. Comment
  POM4282  Keckiella antirrhinoides L. T. Street 1917-5-15 1932 Riverside Between Elsinore and Perris. Comment
  RSA314156  Keckiella antirrhinoides Walter Wisura 1983-7-9 3917 Riverside 10.5 mi from the junction with Hwy 111 along Hwy 74. Comment
  RSA339618  Keckiella antirrhinoides Robert F. Thorne, W. A. Tilforth 1980-5-28 54209 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA424826  Keckiella antirrhinoides George R. Johnston 1934-3-27 18068 Riverside Near Wildomar. Comment
  RSA68309  Keckiella antirrhinoides G. R. Campbell 1951-5-30 16112 Riverside 9 miles west of Anza. 1067 Comment
  UC1012296  Keckiella antirrhinoides F. W. Pennell and A. L. Grant Apr 28 1940-Apr 29 1940 25290 Riverside below Ribbonwood (Route 74, e of San Jacinto Range) 1402 Comment
  UC1063324  Keckiella antirrhinoides A. Lewis May 1934 438 Riverside 1 mi e Ortega Highway; Cleveland National Forest, Elsinore Quad. 944 Comment
  UCSB17552  Keckiella antirrhinoides Winn, Will 1963-5-4 Riverside 13.3 miles north of Lake Fillmore picnic area; Highway 1 853 Comment
  UCSB7012  Keckiella antirrhinoides Lloyd, Robert 1959-4-17 Riverside Mt. Range Santa Ana; 3 miles south of West Corona; on the Oak Flat Fire Road 335 Comment
  CAS-BOT-BC236713  Keckiella antirrhinoides subsp. antirrhinoides Cecil Hart 1922-5-21 s.n. Riverside San Jacinto Pk. Comment
  NY786536  Keckiella antirrhinoides var. antirrhinoides F. W. Pennell 1940-4-27 25273 Riverside 5 miles south of Winchester 457.2 Comment
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Mar 20 2011
  UCR41316  Keckiella antirrhinoides var. antirrhinoides N. M. Fellows, A. C. Sanders 1985-5-7 184 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
  RSA764124  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest Comment
  UCR178834  Keckiella ternata Tracy Tennant 1998-8-28 MOR- 703 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  RSA0019438  Keckiella ternata subsp. ternata N. C. Cooper 1944-7-15 1581 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  CAS-BOT-BC61429  Krameria bicolor K. Larson 1976-6-10 2033 Riverside About 30 mi. E. of Indio. S. of Chiriaco Sum. Comment
  RSA697951  Krameria canescens J. R. Bruff 1927-11-24 6 Riverside Whitewater. Comment
  CAS-BOT-BC168506  Krameria erecta Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9002 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  RSA409403  Krameria grayi M. B. Dunkle 1933-5-6 3414 Riverside Colorado Desert. Dry Morongo Creek Comment
  RSA795938  Krameria grayi Duncan S. Bell 2009-4-18 258 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  RSA786956  Lactuca serriola R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49541 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  HSC10265  Lamarckia aurea E. G. Kynoch, Jr. 1966-4-12 267 Riverside Near Corona. 259 Comment
  RSA715936  Lamarckia aurea Scott D. White, Angelia Carey 2004-4-5 10036 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR92449  Lamarckia aurea A. C. Sanders, J. Goetzen 1996-5-1 18127 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA336168  Lamarckia aurea R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51997 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA489113  Lamarckia aurea L. F. LaPre, J. Easton 1988-1-27 s.n. Riverside Santa Rosa Plateau; Mesa de Burro, Santa Rosa Springs Ranch Comment
  UCR132773  Lamium amplexicaule S. J. Myers 2001-4-2 s.n. Riverside San Jacinto Mtns., Bautista Canyon, along Bautista creek at Bautista Road crossing, south of Conservation Camp 854 Comment
  SBBG35059  Langloisia setosissima subsp. setosissima H. and M. Dearing 1937-4-10 1344 Riverside Thousand Palms Cyn Comment
  SBBG64743  Langloisia setosissima subsp. setosissima M. N. Ackley 1928-4-1 Riverside between Indio and Palm Springs 60 Comment
  UC909089  Langloisia setosissima subsp. setosissima Herbert L. Mason 1928-3-10 4204 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon 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
  RSA172255  Larrea tridentata Robert F. Thorne 1963-3-29 32375 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  RSA390019  Larrea tridentata M. B. Dunkle 1935-3-17 4409 Riverside Desert Center 61 Comment
  SEINET4907865  Larrea tridentata H. F. Thut 1971-3-7 s.n. Riverside 10 miles E of Palm Springs. Comment
  CAS-BOT-BC412729  Lastarriaea coriacea Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 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
  UCD98955  Lastarriaea coriacea A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24184 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 505 Comment
  CAS-BOT-BC338918  Lasthenia californica Richard W. Holm 1955-4-24 55 1 A Riverside Valley 2 miles south of Hurkey Creek Camp Ground, Route 74, SE of Hemet Comment
  SD186090  Lasthenia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29246 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta. 701 Comment
  RSA0035241  Lasthenia chrysostoma Andrew Haimov, April Sleigh 1992-4-20 76 Riverside 150 meters east of Davis Road, 2 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  CAS-BOT-BC353281  Lasthenia coronaria H. M. Hall 1902-4-1 2897 Riverside Vicinity of Winchester, near Sage 457 Comment
  UCR103910  Lasthenia coronaria B. G. Pitzer 1997-4-11 3120 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  RSA92991  Lasthenia coronaria F. W. Peirson 1922-5-19 4519 Riverside 5 miles NE of Murrieta 457 Comment
  CAS-BOT-BC328103  Lasthenia glabrata subsp. coulteri D. Bramlet 1995-5-5 2407 Riverside 7.5 km W of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs). 435 Comment
  RSA550485  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-29 2246 Riverside San Jacinto Nuevo Y Potrero. The site is located some 150m to 762m. Wst of Gilman Springs Road (Hwy 79) just northwest of the Quail Ranch golf course. It is approximatly 600m to 1300m south of Bold Style Ave. 435 Comment
  SBBG8514  Lasthenia glabrata subsp. coulteri H. and M. Dearing 1939-4-5 3095 Riverside Hemet Valley Comment
  SDSU2770  Lasthenia gracilis S. J. Barnhart 1966-4-17 660417 -3 Riverside 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Utility Rd (dirt). Intersection of Utility Rd., and McAllister St. is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UC893747  Lasthenia gracilis L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  UCR228743  Lasthenia gracilis A. C. Sanders, Nathan Moorhatch 2011-3-22 38797 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR263733  Lathyrus vestitus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5000 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  SD133092  Lathyrus vestitus var. alefeldii Scott White 1991-5-10 91 80 Riverside Hwy 79 immediately west of US Forest service Campground at Dripping Springs 548 Comment
  PASA2317  Layia platyglossa Margaret Stason 1931-5-24 Riverside San Jacinto Mts. Between Idyllwild and Hurkey Creek Comment
  UC1979554  Layia platyglossa Darin L. Banks, Steve Boyd 1995-5-9 380 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
  POM157893  Layia platyglossa subsp. campestris P. A. Munz 1927-5-21 10891 Riverside Coahuila Valley 1372 Comment
  RSA524409  Layia platyglossa subsp. campestris Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4100 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA748054  Layia ziegleri Justin M. Wood 2009-5-11 692 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UCR213682  Layia ziegleri Justin M. Wood 2009-5-11 692 Riverside San Jacinto Mountains, Garner Valley, Quinn Flat area 1396 Comment
  UCR143141  Lepidium dictyotum var. acutidens D. E. Bramlet 1997-3-13 2493 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
  SEINET3148894  Lepidium fremontii L. S. Rose 1940-3-11 40104 Riverside 23 mi. W of Desert Center 366 Comment
  SEINET3523568 Image available Lepidium nitidum A. R. Gillogly 1966-3-19 Riverside 19 miles east of Indio on Highway 60. Comment
  UCR256899  Lepidium virginicum subsp. menziesii LeRoy Gross, Caitlin Elam 2013-5-14 6060 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  UCR193901  Lepidium virginicum var. pubescens A. C. Sanders, Mitch Provance 2008-7-11 35784 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-BC329443  Lepidospartum squamatum Carl B. Wolf 1932-10-14 2452 Riverside Whitewater Wash, 0.5 mile above bridge on the Banning to Indio road. 365 Comment
  RSA575922  Lepidospartum squamatum Steve Boyd 1994-10-14 8386 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon. 329 Comment
  UCR136318  Lepidospartum squamatum Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  UCR90015  Leptochloa uninervia Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  CLARK-A1528-726  Leptodactylon californicum Fred B. Essig 1964-4-25 28 Riverside Horsethief Canyon Comment
  UC489129  Leptodactylon pungens C. V. Meyer 1928-7-31 611 Riverside Tahquitz Peak; San Jacinto Mts., Tahquitz Peak 2590 Comment
  JOTR01154  Leptodactylon pungens Cole, James E. 1941-5-29 812 Riverside Joshua Tree National Park. STUBBE SPRING ROAD 1432 Comment
  CAS-BOT-BC227046  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  POM10432  Leptosiphon floribundus subsp. glaber H. M. Hall 1897-7-30 303 Riverside Taurus Mt. Comment
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Sep 7 2010
  SD137680  Leptosiphon floribundus subsp. glaber Darin L. Banks, Steve Boyd 1995-4-5 157 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail in the north flowing drainage that empties into Arroyo Seco. 548 Comment
  POM364723  Leptosiphon lemmonii E. C. Jaeger 1921-6-16 s.n. Riverside Strawberry Valley. 1585 Comment
  OBI70236  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Cyn: terrace escarpment between Horsethief wash and Indian Truck Trl, S of I-15 Comment
  RSA128224  Leptosiphon liniflorus P. H. Raven 1958-7-26 11104 Riverside Meadow just below Vista Grande Ranger Station, Banning - Idyllwild Road. Comment
  UCR193973  Lessingia filaginifolia A. C. Sanders 2008-7-25 35906 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  SBBG34762  Lessingia glandulifera var. glandulifera S. D. White 2000-8-5 8096 Riverside near Mountain Center, unnamed ephemeral drainage (tributary to S fk San Jacinto River) 1402 Comment
  SDSU4743  Lessingia glandulifera var. glandulifera Florence Youngberg 1933-8-28 1553 Riverside Idyllwild Pines, San Jacinto Mts. Comment
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Jan 24 2013
  RSA191452  Leymus condensatus E. W. Lathrop, Robert F. Thorne 1967-9-26 6669 Riverside 5 miles NW of Murieta. Comment
  RSA123479  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside Near Hemet Reservoir. 1341 Comment
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Nov 26 2008
  RSA515325  Lilaea scilloides Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro, and NW of Mesa de la Punta. 610 Comment
  RSA655086  Limonium perezii Scott D. White 1999-11-12 7633 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  UCR127856  Limonium ramosissimum R. E. Riefner Jr. 2003-5-27 03- 241 Riverside Elsinore Trough, back basin of Lake Elsinore, Malaga Rd. near Mission Trail, SE of intersection 390 Comment
  RSA784829  Linanthus J. D. Olmsted 1962-6-23 5243 Riverside SE San Bernardino Mtns: At first switchback out of Banning Water Canyon towards Gunsight Pass and Raywood Flat. 1555 Comment
  UCR22022  Linanthus androsaceus Steve Boyd 1980-5-20 291 Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  JEPS58187  Linanthus aureus W. L. Jepson 1928-4-23 12554 Riverside 2.5 mi below Cottonwood Springs; Colorado Desert, Eagle Mts. 487 Comment
  UC23394  Linanthus aureus E. L. Koethen 1897-4-15 13 Riverside Riverside Comment
  RSA783373  Linanthus ciliatus J. D. Olmsted 1959-6-23 664 Riverside M. fk. San Jacinto River. Desert Sun School near Idyllwild 1646 Comment
  SBBG93107  Linanthus dianthiflorus D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd; T7S, R1E, S32 701 Comment
  SEINET14181904  Linanthus dianthiflorus H. M. Hall April 1903 3793 Riverside Sonoran Zone, vicinity of Riverside. 366 Comment
  RSA704587  Linanthus jonesii LeRoy Gross 2005-3-3 1587 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC880048  Linanthus lemmonii Marcus E. Jones, A. M. 1882-4-25 3174 Riverside San Jacinto Comment
  UCR48529  Linanthus lemmonii Steve Boyd 1986-4-19 1696 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA554129  Linanthus maculatus George K. Helmkamp 1992-4-16 92 -4 Riverside Coachella Valley, soft, sandy bench of Mission Creek, 0.4 miles S of Indian Ave. on old Hwy 62. [A few scattered plants found on N side of Mission Creek between Hwy 62 & old Hwy 62, but none S of creek or W of Hwy 62.] 20 Comment
  UC908554  Linanthus parviflorus Victor Duran 1935-4-17 Riverside Sage Comment
  LA206725  Linanthus pungens Elizabeth McClintock; 1936-7-27 sn Riverside San Jacinto Mountains, trail to Tahquitz Peak Comment
  RSA599415  Linanthus pungens R. E. Riefner, C. Jones 1996-8-28 96 -160 Riverside San Jacinto Mountain, W summit of Devil's Slide Trail Comment
  UCR101467  Linanthus pygmaeus A. C. Sanders 1997-4-3 20164 Riverside Lake Skinner area, hills NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 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
  RSA614390  Linaria canadensis var. texana D. L. Banks, Victor W. Steinmann 1997-3-13 1525 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  CAS-BOT-BC432279  Lithophragma affine Frank W. Peirson 1922-5-19 4189 Riverside San Jacinto River 1143 Comment
  RSA0010980  Lithophragma affine Justin M. Wood 2009-5-11 680 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  RSA0018464  Lithophragma affine Scott D. White 1996-3-31 3859 Riverside Bundy Canyon, SE of Lake Elsinore. About 1 road mile (+/- 0.2 mi) E of Bundy Canyon Road exit from I-15 freeway. +/- 40 ft. S of road along mapped intermittent blueline stream. 450 Comment
  UCR110940  Lithophragma affine George K. Helmkamp 1998-6-27 4117 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA0030797  Lithophragma affine subsp. mixtum N. C. Cooper 1944-5-21 1302 Riverside San Jacinto Mountains, west side. 915 Comment
  RSA14579  Loeflingia squarrosa Daniel Cleveland 1882-5-3 s.n. Riverside San Jacinto. Comment
  UCR139160  Loeflingia squarrosa S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  UCR174322  Loeflingia squarrosa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32561 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
  SEINET3004964  Loeseliastrum matthewsii G. Rink 2011-3-23 10388 Riverside Desert flats north of Blythe, east of the McCoy Mtns 109 Comment
  CAS-BOT-BC342258  Logfia filaginoides L. R. Abrams 1926-3-26 11030 Riverside Palm Springs Comment
  UCR2529  Lolium temulentum F. M. Reed 1904-6-5 168 Riverside Riverside, outlet to dam in Fairmont Park Comment
  UCR281266  Lomatium utriculatum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 42 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  UCR47045  Lonicera interrupta Karin Cleary 1987-5-14 31 Riverside Beaumont; W slope of the canyon where California St. ends; 1.5 km SW of its intersection with Hwy 79. 750 Comment
  UCR177636  Lonicera subspicata John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  POM318798  Lonicera subspicata var. denudata Patricia Wilder 1968-7-5 4312 Riverside Trail near Idyllwild, San Bernardino National Forest. 1982 Comment
  SEINET3523394  Lotus argophyllus subsp. decorus Susan McKelvey 1937-11-27 5016 Riverside to Pines Highway, San Jacinto Mts Comment
  RSA735901  Lotus corniculatus Scott D. White, Justin M. Wood 2008-6-24 12290 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UCSC000919  Lotus crassifolius Peter Kamb 1947-6-7 572 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  PASA1086  Lotus grandiflorus Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 1706 Comment
  RSA602485  Lotus grandiflorus var. grandiflorus Scott D. White 1996-8-16 4486 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  RSA614598  Lotus heermannii A. C. Sanders, Steve Ogg 1994-7-28 15177 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  RSA736907  Lotus heermannii Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10676 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +- 2 miles upstream. 534 Comment
  UCR241937  Lotus heermannii A. C. Sanders, Timothy W. Chumley 2013-4-5 40772 Riverside Peninsular Range, Temescal Canyon, 10 miles south of Corona, just north of El Hermano Rd., NW of Corona (Lee) Lake and SE of Glen Ivy 313 Comment
  UCR43283  Lotus heermannii B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  RSA0029411  Lotus heermannii John F. Emmel 1995-9-24 1392 Riverside Santa Rosa Mts: open area on flat ridge top 0.9-1.0 air mi ESE of Toro Peak. 2287 Comment
  UC667261  Lotus humistratus Annie M. Alexander and Louise Kellogg 1941-5-15 2185 Riverside n slope Eagle Mountains; Colorado Desert Comment
  SEINET6655546  Lotus nevadensis Carol Gunn 1963-5-29 2629 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains.; 0 Comment
  SEINET3208896  Lotus nevadensis var. nevadensis G. Goodwin 2012-6-14 3451 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  UC80942  Lotus nevadensis var. nevadensis A. W. Anthony 1895-7-10 Riverside San Jacinto Mts. 2590 Comment
  RSA600822  Lotus oblongifolius C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  UCR16278  Lotus purshianus Annette Price 1962-5-8 87 Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road, c. 4 mi. [west] from Washington Avenue, Murrieta 549 Comment
  UCR281011  Lotus purshianus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 20 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  POM158595  Lotus salsuginosus G. R. Vasey 1880-06 126 Riverside Temecula Comment
  RSA17252  Lotus scoparius var. brevialatus C. B. Wolf 1936-6-17 7962 Riverside Santa Ana Mts., Tenaja Road, North end of La Cienaga. 732 Comment
  SEINET7063560  Lotus strigosus A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  UCR169857  Lotus strigosus T. B. Salvato, John F. Green 2004-5-27 589 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
  POM49155  Lotus strigosus var. hirtellus P. A. Munz 1924-5-18 8134 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  UCR167216  Lotus strigosus var. tomentellus S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  RSA406466  Lotus tomentellus M. B. Dunkle 1937-3-25 4960 Riverside Dry Morongo. Comment
  RSA496656  Lotus tomentellus B. Pitzer 1988-3-10 643 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA525225  Lotus wrangelianus Steve Boyd 1990-5-3 4603 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA33840  Lupinus albifrons N. C. Cooper 1944-4-22 1124 Riverside Banning. 762 Comment
  JEPS48838  Lupinus arizonicus Marjorie D. Clary 1932-5-9 945 Riverside Shavers Well to Desert Center; Shavers Well to Desert Center Comment
  RSA414841  Lupinus arizonicus T. S. Clare, Johnston 1930-4-13 s.n. Riverside Palm Spring. 305 Comment
  RSA722377  Lupinus arizonicus J. R. Bruff 1928-4-3 171 Riverside 3 mi. So. Cottonwood Springs. Comment
  RSA747725  Lupinus arizonicus Scott D. White, Justin M. Wood 2009-3-24 12579 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UC668381  Lupinus arizonicus Annie M. Alexander and Louise Kellogg 1941-5-14 2167 Riverside 5 1/2 mi s Cottonwood Spring (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains, Cottonwood Spring 502 Comment
  UCSB3262  Lupinus arizonicus Bobkowski Jr., Vincent 1960-4-1 Riverside At intersection of U.S. 60-70 and Cottonwood Springs entrance to Joshua Tree National Monument; on south side of 60-70 Comment
  SBBG89044  Lupinus bicolor P. Pitzer, K. Kirtland 1986-5-6 201 Riverside Butterfield Stage Ranch development, N side of Pauba Valley, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  VVC218  Lupinus bicolor Markell Kohn 1959-3-29 s.n. Riverside on US 395 0.2 miles south of Murieta Hot Springs Rd jct west side of hwy [now jct 15/215] 354 Comment
  UCR1039  Lupinus bicolor subsp. microphyllus J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mountains, Anza Cutoff on Pines to Palms Highway. 1500 Comment
  UCR160688  Lupinus concinnus John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  UCR164571  Lupinus concinnus S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  UCR87659  Lupinus concinnus A. C. Sanders 1994-5-29 14565 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA670630  Lupinus densiflorus var. lacteus B. C. Templeton 1930-4-9 1493 Riverside East of Riverside 700 Comment
  RSA519404  Lupinus elatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR213534  Lupinus excubitus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37801 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCSB26812  Lupinus excubitus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns. 2377 Comment
  POM12626  Lupinus excubitus var. hallii P. A. Munz, I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon. San Jacinto Mts. Comment
  RSA503877  Lupinus excubitus var. hallii Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA17253  Lupinus formosus Carl B. Wolf 1936-6-17 7961 Riverside Santa Ana Mts., Tenaja Road, North end of La Cienaga. 732 Comment
  SD255741  Lupinus formosus Mitch Provance 2012-5-24 512 19 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 868 Comment
  RSA342537  Lupinus hirsutissimus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54020 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  RSA613661  Lupinus hirsutissimus D. L. Banks, Victor W. Steinmann 1997-3-13 1459 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
  UCR16244  Lupinus hirsutissimus H. C. Sharma 1976-4-25 760425- 02 Riverside San Jacinto Mtns., on Idyllwild - Banning Road. 915 Comment
  UCR162644  Lupinus hirsutissimus 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
  POM48510  Lupinus hyacinthinus Mary F. Spencer 1919-7-6 1281 Riverside Tahquitz ridge, San Jacinto Mt. 2439 Comment
  UCD39069  Lupinus microcarpus var. densiflorus Beecher Crampton 1963-5-7 6780 Riverside 5 miles (in direct line) s.e. of Elsinore, Bundy Road. Western part of county. Comment
  OBI48506  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  CLARK-A1045-93  Lupinus sparsiflorus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains steep slope; Lake Fulmor 7.5'Q Comment
  HSC14875  Lupinus sparsiflorus C. L. Hitchcock 1966-3-16 24186 Riverside About 5 mi. NE of Aguanga Comment
  UCD109488  Lupinus sparsiflorus William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA0028835  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55500 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA336412  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52056 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  RSA395351  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd 1986-4-22 1747 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA496472  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3088 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA772011  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4962 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. 823 Comment
  RSA791723  Lupinus truncatus Robert F. Thorne 1995-3-29 63015 Riverside White Water Canyon. 600 Comment
  CAS-BOT-BC231419  Lycium andersonii Mrs. R. W. Campbell 1922-3-6 35 Riverside Palm Springs Comment
  CAS-BOT-BC231424  Lycium andersonii Carl B. Wolf 1932-4-28 3087 Riverside Eastern Colorado Desert. S. W edge of Maria Mts. 10 mi. from Blythe on Rice Road 152 Comment
  RSA510020  Lycium andersonii B. Pitzer 1988-3-10 659 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA776287  Lycium andersonii Duncan S. Bell 2010-3-20 627 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA7221  Lycium brevipes var. brevipes Carl B. Wolf 1932-10-13 4325 Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  RSA0120557  Lycium cooperi Duncan S. Bell, Thomas Stoughton 2016-3-16 8940 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 399 Comment
  CAS-BOT-BC231641  Lycium fremontii John Thomas Howell 1928-3-24 3530 Riverside Painted Canon [Canyon], Colorado Desert Comment
  UCR201949  Lythrum hyssopifolia Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  UCR34936  Machaeranthera canescens subsp. canescens L. B. Ziegler 1964-10-10 45 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  UCR34934  Machaeranthera canescens subsp. ziegleri L. B. Ziegler 1970-8-28 416 Riverside Santa Rosa Mtns, Santa Rosa Mountain 2439 Comment
  RSA561015  Madia exigua Steve Boyd, Timothy S. Ross 1992-5-4 7195 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA561886  Madia exigua Steve Boyd, Timothy S. Ross 1992-6-10 7642 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UC219591  Madia gracilis P. A. Munz 1922-6-23 5768 Riverside Keen Camp San Jacinto Mts., Keen Camp 1524 Comment
  RSA289949  Maianthemum racemosum subsp. amplexicaule Carl V. Meyer 1928-7-26 540 Riverside Deer Springs. 8700 ft. 2652 Comment
  RSA377709  Maianthemum stellatum E. C. Jaeger 1923-6-22 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. 2104 Comment
  UCR125210  Malacothamnus fasciculatus Mitch Provance 1998-5-24 534 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 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
  RSA586865  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-3 0284 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  POM362312  Malacothrix glabrata N. C. Cooper 1949-4-8 3260 Riverside Mecca Pass east of Indio. 457 Comment
  RSA0065860  Malacothrix glabrata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 22 Riverside Transverse Ranges, San Bernardino Mountains region: San Gorgornio Wilderness Area; just west of Mission Creek; 0.8 miles northwest of the Stone House. 811 Comment
  RSA777726  Malacothrix glabrata J. Andre, Glenn L. Clifton 2011-2-22 17429 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  RSA692250  Malacothrix saxatilis var. tenuifolia Scott D. White, Michael Honer 2003-5-27 9401 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
  RSA715943  Malva parviflora Scott D. White, Angelia Carey 2004-4-5 10031 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR123835  Malva parviflora Steven R. Hill, K. Kramer 2001-4-27 33476 Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Hwy I-10, Apache Trail Exit, 4 mi east of Banning 560 Comment
  HSC80237  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Murrieta area, Clinton Keith Rd. near (just E of) Bear Creek golf course Comment
  UCR275221  Malvella leprosa A. C. Sanders, Karen Kirtland 2016-9-23 42630 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  RSA441209  Marah macrocarpa N. C. Cooper 1944-5-20 1259 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA652417  Marah macrocarpa Gregorio Hernandez 1953-2-1 s.n. Riverside End of So. Broad Way Cabazon Comment
  CHSC99605  Marina parryi LeRoy Gross 2005-3-3 1601 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  RSA0043065  Marina parryi Duncan S. Bell, LeRoy Gross 2014-3-20 6267 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA55410  Marina parryi Theo Glenn 1991-5-20 91 -99 Riverside Colorado Desert, Arica Mts, SW of Rice. 320 Comment
  SD187430  Marrubium vulgare Scott D. White, Angelia Carey 2004-5-7 10335 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  CAS-BOT-BC71090  Marsilea vestita W. G. Wright; C. G. Pringle 1881-1-1 s.n. Riverside Riverside Comment
  RSA85840  Marsilea vestita F. W. Peirson 1922-4-29 2937 Riverside mud flat south of Lake Elsinore Comment
  RSA0029103  Matelea parvifolia John F. Emmel 1989-3-31 1119 Riverside Chuckwalla Valley south of Eagle Mts: on pipeline road 1.4 road mi east of Hayfield Road. 427 Comment
  POM305374  Matricaria matricarioides Henry J. Ramsey, Henry J. Ramsey 1938-3-26 644 Riverside Temecula. Comment
  UCR16898  Matricaria matricarioides J. N. Bullock 1970-5-16 P 25 Riverside Peninsular Range, On the E shoulder of California State Hwy 71 (the surface street) 0.2 m north of the Dawson Canyon turn off 268 Comment
  UCR3212  Matricaria matricarioides V. L. McFarland 1964-3-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, UCR campus, sandy lot between Utah and Avocado Aves., 3400 block of Utah immediately west of area 305 Comment
  UCR266285  Matricaria occidentalis D. E. Bramlet 2005-5-19 3860 Riverside Perris-Aguanga Basin Region, Stowe Vernal Pool, NW corner of the intersection of Stowe Rd. and California Ave., 7.9 km SW (249 deg. ) of Hemet, 3.4 km (62 deg. ) NE of Winchester 457 Comment
  RSA552749  Meconella denticulata Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  CLARK-A1528-2860  Medicago sativa John C. Roos 1965-6-30 Riverside Perris Comment
  RSA179494  Melica imperfecta E. W. Lathrop 1959-5-29 4592 Riverside 14 miles W of Murrieta; Tenaja Canyon in the Cleveland National forest Comment
  RSA487546  Melica imperfecta Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  RSA496567  Melica imperfecta Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  SEINET254498 Image available Melica imperfecta A. C. Sanders 2004-4-20 27553 Riverside Santa Ana Mountains: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UCR109513  Melica imperfecta Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR195616  Melica imperfecta Pesach Lubinsky, Jeffrey Ross 1998-5-31 049 Riverside San Bernardino Mtns., Morongo Indian Reservation, eastern fork of Lion Canyon 713 Comment
  SD126627  Melilotus indicus Ed LaRue 1989-4-21 129 Riverside Moreno Valley, University of California agricultural experimental farms, 0.5 mile south of Alessandro Blvd at northeast corner of Cactus Avenue and Nason Street. Comment
  UCR194818  Melinis repens Scott D. White, Justin Wood 2007-4-16 11652 Riverside Peninsular Range, near Rainbow Valley, mountains west of I-15 Fwy and immediately north of San Diego County boundary 579 Comment
  JOTR35486  Mentzelia albicaulis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3174 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  RSA440410  Mentzelia involucrata Christopher Davidson 1973-4-1 1839 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA698073  Mentzelia involucrata J. R. Bruff 1928-4-2 93 Riverside Whitewater. Comment
  UC192390  Mentzelia involucrata J. G. Lemmon April 1876 10 Riverside Colorado Desert, Whitewater River Comment
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Jan 15 2010
  UC311294  Mentzelia involucrata Philip A. Munz 1926-1-1 10819 Riverside Thousand Palms Comment
  CDA36636  Mentzelia involucrata var. megalantha M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  POM14021  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4908 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 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
  SD114170  Mentzelia laevicaulis Darley F. Howe 1947-6-20 1650 Riverside Near Beaumont. Comment
  UC700968  Mentzelia longiloba Aven and Ruth Nelson 1939-3-30 3336 Riverside near Desert Center (hiway 60) Comment
  UCR126991  Mesembryanthemum nodiflorum A. C. Sanders, Guy Bruyea 2003-6-12 26889 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  LA212357  Metrosideros excelsa Lee Haines; 1951-5-20 5150 Riverside Palms to Pines Highway. 1158 Comment
  RSA543587  Micropus californicus Steve Boyd, Laurel Arnseth, Orlando Mistretta 1991-5-6 6139 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  POM13713  Microseris douglasii subsp. douglasii P. A. Munz 1922-4-30 5123 Riverside Lakeview, alkali mud flat along San Jacinto River Comment
  UCR120852B  Microseris douglasii subsp. douglasii D. E. Bramlet 1993-4-14 2326 B Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  UCR116505B  Microseris douglasii subsp. platycarpha A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 746 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR189562  Microseris douglasii subsp. platycarpha Theresa Johnson 2006-5-2 069 Riverside Peninsular Range, Aguanga Basin, north shore Lake Skinner, c. 100m west of road at base of Bachelor Mountain 447 Comment
  RSA192186  Microseris heterocarpa E. W. Lathrop 1959-4-17 4478 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  RSA543772  Microseris heterocarpa Steve Boyd 1991-5-7 6173 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA656545  Microseris heterocarpa A. C. Sanders 2000-5-25 23407 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA741551  Microseris lindleyi Scott D. White, Justin M. Wood 2008-6-16 12117 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA192024  Microsteris gracilis subsp. gracilis E. W. Lathrop 1960-3-11 4656 Riverside 5 miles west of Murrieta. Comment
  RSA543181  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6120 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UC488887  Mimulus aurantiacus var. pubescens C. V. Meyer June 1927 Riverside Idyllwild Grade 1066 Comment
  UCR116516  Mimulus aurantiacus var. pubescens Dan Hare 2001-4-26 s.n. Riverside Perris-Aguanga Basin region, Lake Perris State Recretion Area, approximately 1 km northeast of Bernasconi Beach, Lake Perris 600 Comment
  UCR50392  Mimulus aurantiacus var. puniceus L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  JEPS8159  Mimulus bigelovii var. bigelovii W. I. Follett 126 Riverside 5 mi w Desert Center; Colorado Desert Comment
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Sep 3 2011
  RSA535794  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 823 Riverside 1.6 ESE of I-10 interchange at Desert Center along dirt road parallel to I-20 (S side of freeway), not far beyond, E of the Desert Center Pumping Station. 82 Comment
  UC27105  Mimulus breweri H. M. Hall July 1901 2488 Riverside Lake Surprise San Jacinto Mountains 2499 Comment
  UC27106  Mimulus breweri H. M. Hall July 1901 2346 Riverside Tamarack Valley San Jacinto Mountains 2438 Comment
  HSC85260  Mimulus fremontii Steve Boyd 1986-4-22 1751 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  UCR48341  Mimulus fremontii Steve Boyd 1986-4-22 1751 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  CSUSB889  Mimulus guttatus R. D. Keys 1973-5-13 Riverside Box Springs Mountains Pigeon Pass Road, 1 mile above Riverside dump, 100 feet south of road along spring, in the Box Springs Mountains. 304 Comment
  LA209400  Mimulus guttatus Elizabeth McClintock; 1940-5-19 sn Riverside about 1.5 to 2 mi from Pines to Palms Hwy on Santa Rosa Mt Rd Comment
  LA38933  Mimulus guttatus Frank W. Peirson; 1922-4-8 4720 Riverside Murray Canyon, Palm Springs. In lower part of canyon Comment
  UC56259  Mimulus guttatus H. M. Hall 1902-4-23 2957 Riverside vicinity Riverside; Santa Ana River 228 Comment
  CDA28897  Mimulus longiflorus Mike Lahti 2009-4-28 PDR# 1501678 Riverside San Jacinto, 950 North Ramona Boulevard near State Street. 0 Comment
  UCD122831  Mimulus palmeri Victor Duran 1932-5-18 3220 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  UC729663  Mimulus pilosus Carl B. Wolf 1932-5-25 3675 Riverside 1 mi below Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 396 Comment
  UCSC000878  Mimulus pilosus Peter Kamb 1948-7-4 1174 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  CLARK-A1528-4270  Mimulus puniceus John C. Roos 1941-5-17 123 Riverside March Field Comment
  CSUSB1907  Mimulus puniceus R. Pirot 1975-4-20 Riverside Juniper Flats Road and Highway 74 at Homeland. 548 Comment
  UCR92195  Mirabilis californica D. L. Banks, Steve Boyd 1995-5-3 0274 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR28958  Mirabilis californica var. californica M. G. McLeod, David J. Keil 1977-3-26 12008 Riverside 0.2 mi NW of Prado Dam on California Hwy 71 183 Comment
  CLARK-A1528-3923  Mirabilis laevis Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  UCR258747  Mirabilis laevis T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7905 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
  CAS-BOT-BC434684  Mirabilis laevis var. crassifolia John H. Thomas 1957-3-29 6518 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  UCD98155  Mirabilis laevis var. crassifolia T. B. Salvato; Kent Beaman 2005-5-16 884 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
  JEPS61300  Mirabilis laevis var. retrorsa W. L. Jepson 1914-5-18 6018 Riverside County Well, on grade from Pinion Well to Indio 304 Comment
  UC465723  Mirabilis laevis var. retrorsa E. E. Schellenger 1911-4-25 Riverside Point of Rocks, White Water River Comment
  SEINET8545210  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood Springs. Comment
  SD225031  Mirabilis laevis var. villosa G. K. Helmkamp 1998-4-4 3131 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 456 Comment
  POM12912  Mirabilis multiflora var. pubescens P. A. Munz 1922-6-24 5812 Riverside Pipe Creek, Hemet Valley Comment
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Mar 24 2011
  LA205967  Mirabilis tenuiloba John O'Leary; 1932-4-8 429 Riverside next to Hwy 111, at 2 mi W of Palm Springs Comment
  UC444444  Mirabilis tenuiloba W. G. Wright 1880-1 Riverside Colorado Desert Comment
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Dec 17 2016
  JEPS84377  Mohavea confertiflora Roxanne Bittman 1977-2-27 12 Riverside South side of Highway 195 about 9 miles from Box Canyon in Box Canyon upper bajada 365 Comment
  RSA78452  Mohavea confertiflora Verne Grant, Alva Grant 1952-4-1 17517 Riverside 9 miles E of Mecca Comment
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Dec 13 2011
  UCR148310  Mohavea confertiflora John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  RSA356611  Mollugo cerviana Robert F. Thorne 1966-10-15 41808 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  CDA6772  Momordica balsamina G. D. Barbe 1973-10-19 1736 Riverside North side of Tampico Calle at Ramirez, La Quinta. 0 Comment
  RSA663200  Monardella lanceolata var. lanceolata Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula. Comment
  LA62723  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  RSA450083  Monardella macrantha subsp. hallii J. C. Roos 1962-6-30 s.n. Riverside Sugarloaf, Santa Ana Mountains Comment
  SEINET263205 Image available Monardella nana Michael Curto, Linda Allen 1990-6-18 665 Riverside Santa Rosa Mts; Santa Rosa Mt Rd (SBNF 7S02); ca 3 km W of Santa Rosa Spring CG 1900 Comment
  RSA750394  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 40 Riverside 1.5 to 2 miles from turn off to Anza Monument, on road to Coyote Canyon. Comment
  RSA750416  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 55 Riverside Road to Santa Rosa Mt. 0.1 miles from Pines to Palms Highway. Comment
  SEINET2442171  Monardella nana subsp. arida Unknownnown 1941-6-29 80 Riverside Road up Santa Rosa Mt. 51/2 miles beyond canyon where stream crosses road. Comment
  UCR221484  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 069 Riverside Peninsular Range; Santa Rosa Mtns., 3 miles east of Ribbonwood Camp [Pinyon Flat], Pines to Palms Highway 1220 Comment
  IRVC2062  Monardella nana subsp. tenuiflora R. H. Whittaker, W. A. Niering 1963-5-31 SJ 116 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  POM48947  Monardella nana subsp. tenuiflora P. A. Munz 1924-7-26 8721 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA750306  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside San Jacinto Mts. Trail to Hidden Lake, about 1 mile beyond the cienega. Comment
  UC1499814  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 117 Riverside a short distance below Keen Camp turn off (on the Idyllwild road); San Jacinto Mts. Comment
  UC1499957  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 100 Riverside 1 1/4 mi beyond the snow gate Black Mt. Comment
  UCR132730  Monardella robisonii A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-5-11 24254 Riverside Mojave Desert, Joshua Tree National Park, Jumbo Rocks 1341 Comment
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Apr 21 2013
  JEPS30534  Monoptilon bellioides Peter H. Raven 1958-2-15 11571 Riverside Corn Springs Chuckwalla Mountains Comment
  POM14063  Monoptilon bellioides P. A. Munz, D. D. Keck 1922-4-9 4866 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA650955  Monoptilon bellioides David B. Dunn, H. Lint 1955-4-1 11837 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
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May 24 2012
  UCR19047  Monoptilon bellioides John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR117410  Morus alba S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCD86560  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside and Vicinity spring brook above Fairmont Park. Comment
  UCR145963  Muhlenbergia microsperma June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR2587  Muhlenbergia microsperma Mrs. Barton 1908-1 s.n. Riverside Rubidoux Mtn, Riverside Comment
  RSA597519  Muhlenbergia richardsonis L. C. Wheeler 1945-10-6 6136 Riverside San Jacinto Mountains. Head of west fork of Snow Creek. 2377 Comment
  UCD87105  Muhlenbergia rigens F. M. Reed 1928-7-10 7491 Riverside Riverside and vicinity. Camp Emerson, San Jacinto Mts. 1676 Comment
  RSA0117827  Muilla maritima Sarah J. J. De Groot, Grace Cho 2016-4-4 7771 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road at the northwest foot of Asbestos Mountain, near the head of Dutch Charlie Canyon. 1136 Comment
  RSA278972  Nama demissa Barry A. Prigge, L. Martinez 1978-3-23 2421 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR119340  Nama demissa B. G. Pitzer 2000-5-7 4127 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
  UCR140955  Nama demissa June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  UCD119564  Nama demissa var. demissa Geoffrey Levin 1976-3-27 691 Riverside Chino Canyon, west of Palm Springs. 396 Comment
  GMDRC5933  Nama hispida var. spathulata J. M. Andre 2013-3-27 24792 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  UC1563093  Nama hispida var. spathulata Steve Boyd, Orlando Mistretta 1986-3-13 1406 Riverside ne Desert Center (jct of Parker Dam Rd and Palen Rd, rd going through pass between Palen and Granite Ranges); Palen Mountains, pass betw Palen and Granite Ranges 182 Comment
  UCD119544  Nama hispida var. spathulata Carl B. Wolf 1932-4-28 3082 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. west of Blythe on the Mecca Road. Comment
  RSA750553  Nassella cernua Scott D. White, Justin M. Wood 2009-5-21 13877 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UC821955  Nassella lepida P. A. Munz 1922-4-28 5028 Riverside 5 mi n Glen <I?>vy; Temescal Canyon Comment
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Apr 3 2011
  RSA736254  Nassella pulchra Scott D. White, Justin M. Wood 2008-4-3 11794 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  RSA532557  Navarretia fossalis D. E. Bramlet 1991-6-1 2183 Riverside 1.6 km west of Nuevo and some 100m north of the end of 13th st. The population is some 8m east of the San Jacinto River. 473 Comment
  UCR162948  Navarretia fossalis Fred M. Roberts 1993-6-8 4884 Riverside San Jacinto River Valley; Perris, adjacent to San Jacinto River, N of Interstate 215, 0.51km N of Ellis Road and 2.4km west of San Jacinto Road 431 Comment
  UCR70682  Navarretia fossalis D. E. Bramlet 1991-6-19 2197 Riverside Perris-Aguanga Basin region, San Jacinto River area, about 600 m west of river and 1 km south of Lakeview Hot Springs. About 30 m south of MWD Colorado Aqueduct easement road, and 630 m east of intersection of Pozos Ave. and the MWD road. Population 30 m west of existing blueline channel 473 Comment
  UCR90771  Navarretia fossalis D. E. Bramlet 1993-5-8 2344 Riverside San Jacinto Wildlife area. 274 m south of the headquarters building, 122 m east of Davis Rd. and 168 m north of old San Jacinto River channel 434 Comment
  HSC78533  Nemacladus longiflorus J. C. Roos 1947-3-15 3343 Riverside 1 mi. E of Valle Vista. 549 Comment
  SEINET10458415  Nemacladus longiflorus Jepson 1901-5-17 JEPSON 1553 A Riverside Temecula River Comment
  UC218060  Nemacladus orientalis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4852 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  SEINET10461021  Nemacladus pinnatifidus Willis L. Jepson 1928-4-25 Jepson 12601 B Riverside Cottonwood Springs, Eagle Mountains, Colorado Desert 732 Comment
  SEINET10461023  Nemacladus pinnatifidus Piehl 1963-6-2 PIEHL 63547 Riverside Along California Highway 74, 1.2 miles west of Mountain Center 1341 Comment
  RSA586115  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-4-5 0155 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 503 Comment
  UC126891 Image available Nemacladus rubescens H. M. Hall 1905-4-17 5819 Riverside e base Indio Mt.; Colorado Desert; Indio Mt., Colorado Desert, Riverside Co. 150 Comment
  RSA75155  Nemacladus tenuis H. K. Wagnon 1944-3-26 362 Riverside Cathedral Canyon, Cathedral City. 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
  UCR50295  Nemacladus tenuis var. aliformis B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 0601 Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  RSA0123360  Nemacladus tenuis var. tenuis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9044 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA767265  Nemacladus tenuis var. tenuis Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10883 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  RSA421362  Nemophila menziesii H. de Forest 1929-3-16 14644 Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  SD7444  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  CLARK-A1528-5059  Nemophila menziesii subsp. integrifolia John C. Roos 1937-5-10 666 Riverside Lake Elsinore Comment
  UC63800  Nemophila menziesii var. integrifolia H. M. Hall June, 1901 2044 Riverside wooded slopes and benches of the s side San Jacinto Mts. San Jacinto Mountains, Shingle Val. (Shingle Val.) 1371 Comment
  RSA0105076  Nemophila menziesii var. menziesii Daphne K. Christopher, Hannah Stevens 2003-4-4 97 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 536 Comment
  JEPS12281  Nicotiana attenuata Carl V. Meyer 1928-7-26 523 a Riverside right above Dutch Flat (Hannah's sawmill); San Jacinto Mts. Comment
  UCR224996  Nicotiana clevelandii Dave Silverman, Onkar Singh 2010-3-27 7861 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd, & c. 6 km N of Blythe Airport 131 Comment
  CSUSB760  Nicotiana glauca K. S. Gill 1965-3-21 Riverside Tin Mine Canyon at the foot of Skyline Drive, south of Corona on roadside wasteland. 457 Comment
  SEINET3077687 Image available Nicotiana glauca Paul M. Estes 1962-3-3 005 Riverside In hills behind UCR campus. 335 Comment
  UCR18845  Nolina parryi John C. Roos 1965-7-8 s.n. Riverside San Jacinto Mtns., Thomas Valley at the Pathfinder Camp. Comment
  SBBG267  Notholaena californica H. and M. Dearing 1942-1-10 4784 Riverside Tahquitz Cyn, near Palm Springs Comment
  CHSC8535  Oenothera Edward Laidlaw Smith 1958-3-21 378 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Ana Mt. Range. Colorado River drainage area. 365 Comment
  POM355281  Oenothera californica subsp. californica N. C. Cooper 1944-5-6 116 Riverside Banning. 701 Comment
  RSA355640  Oenothera californica subsp. californica N. R. Zabriskie, W. M. Zabriskie 1972-3-30 493 Riverside Carrizo Rd., north of Hwy 74, Santa Rosa Mts. 1220 Comment
  CHSC13600  Oenothera cespitosa subsp. marginata C. Steen 1974-4-9 29 Riverside Found ca. 50 yds. off Date Palm Drive, ca. 2 mi from junction with Hwy. 111. Comment
  RSA0113587  Oenothera claviformis Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1991 Riverside 50 miles north of Blythe, Colorado Desert. Comment
  LA206198  Oenothera deltoides A. M. Johnson; 1933-4-28 4206 Riverside E of Cool's Ranch, 4 mi N of Indian Wells, and 15 mi. below Palm Springs Comment
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Mar 10 2014
  UCR196347  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1428 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  POM200877  Oenothera deltoides subsp. deltoides Carl B. Wolf 1932-4-27 3065 Riverside Colorado Desert, Chuckwalla Valley, 16 mi. east of Desert Center. 122 Comment
  RSA124447  Oenothera deltoides subsp. deltoides Percy C. Everett 1958-4-29 23025 Riverside 5.3 miles NE along road from Desert center to Rice and Vidal Jct. 244 Comment
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May 15 2009
  RSA144927  Oenothera deltoides subsp. deltoides J. W. MacSwain, R. W. Thorp 1959-3-7 59 -47 Riverside 2 miles west of Hopkins Well. Comment
  RSA145365  Oenothera deltoides subsp. deltoides William M. Klein 1959-4-5 948 -949 Riverside U,S. Hwy 60-70, about 22 miles west of Blythe. 137 Comment
  RSA25381  Oenothera deltoides subsp. deltoides C. L. Hitchcock 1940-4-4 5944 Riverside Pinto Basin. Comment
  UC909740  Oenothera deltoides subsp. deltoides Norman C. Cooper 1949-3-15 3026 Riverside sand dunes Palm Springs 30 Comment
  RSA785415  Oenothera scapoidea Keith E. Hoffmaster 1933-4-15 467 Riverside Desert end Palms to Pines road. Comment
  RSA0120472  Oligomeris linifolia Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9100 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  SBBG128747  Oncosiphon piluliferum R. E. Riefner Jr. 2012-3-31 12 -63 Riverside City of Hemet, N of Florida Ave and S of W Devonshire Ave and E of Meyers St 461 Comment
  UCR261558  Oncosiphon piluliferum James A. Phillips 2015-5-13 054 Riverside San Bernardino Valley, Box Spring Mountains Park, road to radio towers 750 Comment
  UCR263244  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41474 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  RSA0031145  Opuntia basilaris Marc Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside Chuckwalla Mountains, north side of Corn Springs Wash, 1.1km ESE of Corn Spring, 12.2km SE of Desert Center, 70 km west of Blythe. 478 Comment
  SEINET4391068 Image available Opuntia basilaris Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4635 Riverside Along Palen Pass Road, near Packard Well, S. end of Granite Mountains. 502 Comment
  UCR94058  Opuntia chlorotica Scott D. White, D. Haselfeld 1996-7-2 4268 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  POM9957  Opuntia parishii P. A. Munz 1921-5-1 4483 Riverside Southern edge of Mojave Desert, near Pinon Wells 1220 Comment
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Apr 21 2011
  SEINET10723433  Oreostemma alpigenum var. andersonii David B. Dunn 1946-8-17 Dunn 2693 Riverside Damp meadow area grassy, near the stream at the camp in Taquitz Valley, San Jacinto Mts. 2438 Comment
  UCR15928  Orobanche cooperi Steve Boyd 1978-4-15 2 Riverside Western Colorado Desert, Coachella Valley, along Dillon Road, 16.7 mi from Hwy 62 Comment
  CAS-BOT-BC502861  Orobanche cooperi subsp. cooperi Alice Eastwood 1913-4-30 3108 Riverside Palm Canyon Road, Palm Springs (label is printed San Bernardino County Comment
  RSA0066540  Orobanche cooperi subsp. cooperi Meryl B. Dunkle 1933-3-4 3072 Riverside Mecca. Comment
  RSA0059444  Orobanche fasciculata Darin L. Banks, Steve D. Boyd 1995-4-5 0145 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Secco. 622 Comment
  SEINET8854071 Image available Orobanche fasciculata G. Yatskievych, K. G. Preston, Mafham 1981-1 81 -137 Riverside California Highway 74, about 4 miles southeast of Bee Canyon 823 Comment
  RSA0059162  Orobanche parishii subsp. parishii Noel Wallace 1938-06 BS. 562 Riverside Box Springs Mts., near Riverside. Comment
  RSA192065  Orthocarpus purpurascens E. W. Lathrop 1960-3-25 4686 Riverside 14 miles west of Murrieta. Comment
  RSA487430  Orthocarpus purpurascens Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA612808  Osmorhiza brachypoda D. L. Banks 1997-3-1 1361 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  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
  CAS-BOT-BC7024  Oxytheca emarginata Harvey Monroe Hall 1901-7-1 2331 Riverside San Jacinto Mountains, near Tauquitz 2194 Comment
  RSA740917  Oxytheca emarginata Scott D. White, Justin M. Wood 2008-7-10 12445 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UC6611 Image available Oxytheca emarginata H. M. Hall 1901-7-1 2331 Riverside rocky ridges near Tauquitz; San Jacinto Mountains; Tauquitz, San Jacinto Mts. 2194 Comment
  RSA653547  Oxytheca trilobata Scott D. White 1999-5-24 7381 (2 repl. total) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR108881  Oxytheca trilobata Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR121240  Oxytheca trilobata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2285 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR63617  Oxytheca trilobata Chet McGaugh 1990-8-8 s.n. Riverside SW Durasno Valley, south of town of Anza 1372 Comment
  CAS-BOT-BC327909  Palafoxia arida F. H. Billings 1926-2-6 20 Riverside Palm Springs Comment
  CAS-BOT-BC327934  Palafoxia arida Paul F. Covel 1938-4-20 1181 Riverside Palm Springs Junction Comment
  UCD134888  Palafoxia arida Geoffrey Levin 1975-4-5 462 Riverside Jcn. Of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  UCD134902  Palafoxia arida L. S. Rose 1936-1-1 s.n. Riverside L.A. Aqueduct Road, 15 miles north of Indio. 304 Comment
  UCR90264  Palafoxia arida F. M. Reed 1917-5-19 3843 Riverside Western Colorado Desert, Region of Palm Springs Canyon, mesa south of Palm Springs village 152 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
  RSA134877  Palafoxia arida var. arida L. S. Rose 1959-1-8 59002 Riverside La Tuna Canyon, along La Tuna Canyon Road.La Quinta. 15 Comment
  RSA776906  Palafoxia arida var. arida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 962 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UC61508  Palafoxia arida var. arida L. D. Copeland 1904-5-5 Riverside Palm Springs Comment
  UCD159794  Palafoxia arida var. arida Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1419 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 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
  UCSB18115  Palafoxia arida var. arida Flinck, Al 1964-5-17 Riverside State Highway 74, 11 miles S of State Highway 111 Comment
  RSA600856  Palafoxia linearis Marjorie D. Clary 1937-7-9 2793 Riverside W side of Colorado Desert: Coral Reef Ranch, Coachella. Comment
  RSA355178  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside Riverside in vacant lot where an orange grove was recently removed, across the street from 1012 Spruce St. Comment
  SBBG94681  Panicum capillare S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 airline mi SW of Temecula; T8S, R 3W on line between S 22 and 27 374 Comment
  SEINET1909740  Panicum urvilleanum Sarah De Groot, Mark Porter 2006-1 5199 Riverside North foot of San Jacinto Mountains, between Snow Creek and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  UCR229508  Panicum urvilleanum Ginny Short 2011-3-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Canyon Rd., c. 9 miles due east of Cathedral City 183 Comment
  CAS-BOT-BC274188  Pappostipa speciosa Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  SD247518  Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41551 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns: opp. S. Cal. Edison Ivy Glen Substn, Temescal Valley, mouth of Meyhew Cyn , W of I-15 crossing of Temescal Canyon Rd, N of mining operation, 0.6 km SE (101a^z) of Temescal Fire Station (Lake Mathews 7.5'Q) 328 Comment
  UCSB17563  Parkinsonia florida Gerhart, Janet 1963-4-6 Riverside 3.8 mi. south of U.S. Highway 60-70 on mine road, 10.7 mi. east of intersection of State Highway 195 396 Comment
  RSA0054941  Parosela emoryi Keith E. Hoffmaster 1933-4-14 449 Riverside Palm Springs. Comment
  RSA0073235  Parosela schottii Bonnie C. Templeton, I. W. Clokey 1930-4-9 1000 Riverside North of Palm Springs, Colorado Desert. 304 Comment
  CDA5093  Passiflora caerulea H. Gill, F. Harris 1974-7-8 Riverside Main Street and Mount Vernon Avenue, Highgrove. 0 Comment
  RSA763992  Pectis papposa Justin M. Wood, D. M. Ray 2010-10-21 2997 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCR272674  Pectis papposa Sarah J. De Groot, Duncan S. Bell 2015-9-21 7585 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  CAS-BOT-BC355867  Pectis papposa var. papposa Lewis S. Rose 1959-1-8 59004 Riverside La Quinta 15 Comment
  JOTR38523  Pectis papposa var. papposa Harding, Mitzi, Kipp Callahan 2012-8-27 292 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  SEINET2054024 Image available Pectis papposa var. papposa E. R. Blakley 1963-9-18 6182 Riverside 2.7 miles west of Desert Center. 312 Comment
  UCR241927  Pectocarya A. C. Sanders, John F. Green 2013-3-27 40685 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  UCR20973  Pectocarya anisocarpa A. C. Sanders 1980-5-2 1432 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SEINET2043250 Image available Pectocarya heterocarpa A. C. Sanders, P. J. & G. MacKay, A. KNapp, C. Sanders 1995-2-19 15944 Riverside Santa Rosa Mountains: Coachela Valley at foot of Mountains; ancient fish traps 2.2 mi W of Valerie (Valerie Quad 7.5') T7S R7E sec 11 (SE/4) 0 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
  UCR20304  Pectocarya heterocarpa John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  POM368765  Pectocarya linearis subsp. ferocula P. A. Munz, R. D. Harwood 1920-2-28 3237 Riverside 2 mi. southeast of Corona 274 Comment
  UCR107407  Pectocarya penicillata B. G. Pitzer 1997-3-23 3001 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA49357  Pectocarya recurvata P. A. Munz 1949-4-11 13009 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  UCR214140  Pectocarya recurvata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37721 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
  UC25025  Pectocarya setosa H. M. Hall 1899-5-1 1183 Riverside Nigger Jim Hill San Jacinto Mountians, Cahuilla Indian Reservation Comment
  POM259690  Pedicularis densiflora P. A. Munz 1940-3-17 15600 Riverside Dripping Springs Comment
  UC64233  Pedicularis densiflora H. M. Hall 1897-4-17 476 Riverside vicinity of Beaumont Comment
  JOTR30831  Pellaea mucronata var. californica Andre, Jim, Tasha La Doux 2008-9-16 10703 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  UC812401  Pellaea mucronata var. mucronata P. A. Munz and I. M. Johnston 1922-5-6 5225 Riverside Smith Water Canyon; Little San Bernardino Mts 1066 Comment
  UCD89445  Pennisetum clandestinum Marvin Miller 1956-5-1 s.n. Riverside Riverside County. Comment
  SEINET3079731 Image available Penstemon centranthifolius J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  SEINET7072840  Penstemon centranthifolius A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UCR16007  Penstemon centranthifolius David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns, 8 mi SE of Banning, at Hurley Flats Rd 1341 Comment
  UCR24780  Penstemon centranthifolius W. W. Mayhew 1981-4-23 s.n. Riverside Santa Rosa Mtns, Near the intersection of Carrizo Road and Hwy 74 1052 Comment
  UCR268292  Penstemon centranthifolius Jim Andre 2012-6-15 30529 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  NY583958  Penstemon clevelandii var. connatus P. A. Munz 1922-7-1 5931 Riverside Old Nicholas Canyon, Santa Rosa Mountains 1463.0 Comment
  SD51812  Penstemon clevelandii var. connatus Rimo Bacigalupi, L. R. Heckard 1953-5-5 4074 Riverside Western Riverside County. Along the Palms-to-Pines Highway (Calif. No. 74), above the seven level Hill, western slopes of Deep Canyon, about I(c) way betw. Santa Rosa Mts. And San Jacinto Mts, west side of Coachella Valley Comment
  SEINET3078489 Image available Penstemon grinnellii Art Whistler 1966-6-23 Riverside Along roadside, Calif. Hwy 2 near intersection of Angeles Crest Hwy and Foothill Blvd. 1067 Comment
  NY604276  Penstemon labrosus V. E. Grant 1951-7-20 16099 Riverside Idyllwild, San Jacinto Mountains 1645.9 Comment
  POM259183  Penstemon labrosus Philip A. Munz 1938-8-14 15389 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  UC887103  Penstemon labrosus Edmund C. Jaeger 1921-7-8 Riverside Idylwild , Idylwild (San Jacinto Mts.) 1584 Comment
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Nov 5 2011
  RSA33815  Penstemon spectabilis subsp. subviscosus N. C. Cooper 1944-5-6 1219 Riverside Banning. 610 Comment
  CAS-BOT-BC330348  Pentachaeta aurea H. M. Hall 1901-6-1 2057 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  UCR262255  Pentachaeta aurea T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3731 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA0070922  Pentagramma maxonii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10470 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC42775  Pentagramma maxonii Vasey Jr. Feb. 1881 10 Riverside Whitewater Comment
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Jan 16 2010
  RSA0070725  Pentagramma triangularis Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 615 Riverside Cleveland National Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  UCR216201  Peritoma arborea Tasha La Doux, Jim Andre 2009-2-28 350 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  RSA124410  Perityle emoryi P. C. Everett, E. K. Balls 1958-4-29 23014 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City 549 Comment
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Mar 20 2011
  RSA4948  Perityle emoryi C. B. Wolf 1932-4-27 3050 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  SBBG8654  Perityle emoryi H. and M. Dearing 1936-12-26 1886 Riverside foot of Palms to Pines Hwy Comment
  UCR101572  Perityle emoryi 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
  UCR214428  Perityle emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37477 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
  UCR87854  Perityle emoryi Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  CAS-BOT-BC418844  Persicaria hydropiperoides J. Ewan 1931-10-3 5211 Riverside Santa Ana River 4 mi. N.W. of Corona Comment
  SBBG102883  Persicaria maculosa L. Ede 1991-3-12 Riverside Palo Verde Valley, SE of Ripley, E side of drain on 30th Ave at Defrain Blvd 74 Comment
  CAS-BOT-BC167758  Petalonyx thurberi Nancy Ryan Zabriskie; Walter Zabriskie 1971-10-23 452 Riverside Near Andreas Canyon Club gate, South Palm Canyon Drive, Palm Canyon drainage, east slope San Jacinto Mountains 167 Comment
  CAS-BOT-BC167774  Petalonyx thurberi L. R. Abrams 1926-3-26 11106 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  POM13423  Petunia parviflora Philip A. Munz, I. M. Johnston 1922-5-5 5156 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  RSA653584  Petunia parviflora A. C. Sanders, David E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23174 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  HSC101084  Peucephyllum schottii Jim Andre 2012-3-19 21392 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  POM259711  Peucephyllum schottii P. A. Munz 1940-3-23 15664 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  RSA676281  Peucephyllum schottii Scott D. White 2001-4-3 8241 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA696804  Peucephyllum schottii J. R. Bruff 1932-3-21 s.n. Riverside Base at slope at Spring. 1000 Palms. Comment
  SBBG8666  Peucephyllum schottii K. K. Muller 1952-4-6 559 Riverside E of Shaver Summit Comment
  UCR159151  Phacelia George K. Helmkamp 1998-4-4 3129 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA507479  Phacelia brachyloba Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  CLARK-A1528-552  Phacelia campanularia Charlotte Stocks 1962-5-15 Riverside Whitewater Canyon Comment
  RSA4951  Phacelia campanularia Carl B. Wolf 1932-4-27 3047 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  UC1426005  Phacelia campanularia Robert F. Thorne and R. Carolin 1967-3-21 41652 Riverside 11.6 mi s Twentynine Palms; Joshua Tree National Monument, Split Rock 1280 Comment
  JOTR32915  Phacelia campanularia subsp. vasiformis La Doux, Tasha, Jim Andre 2009-2-28 355 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  SEINET1906693  Phacelia cicutaria var. hispida A. C. Sanders, Seung, Chul Kim, Plant Taxonomy Class 2005-1 30009 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  UCR101787  Phacelia cicutaria var. hispida George K. Helmkamp, E. A. Helmkamp 1997-3-5 1320 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  RSA427681B  Phacelia cicutaria var. hispida W. P. Burger 1979-4-28 66 Riverside Along Carancho Road, just past where stream crosses road, Hidden Valley. 366 Comment
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Jan 11 2016
  UCD120362  Phacelia crenulata C. L. Hitchcock 1966-3-16 24210 Riverside Along Palms to Pines Highway, 4 mi. S. of Palm Desert. 609 Comment
  UCR166871  Phacelia crenulata Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA0043231  Phacelia crenulata var. ambigua Duncan S. Bell 2009-4-18 252 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UC1069302  Phacelia crenulata var. ambigua H. S. Yates 1937-3-23 6435 Riverside 15 mi nne Mecca; Thermal Quadrangle 457 Comment
  JOTR30997  Phacelia cryptantha La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1319 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  UCR30056  Phacelia cryptantha A. C. Sanders 1983-4-9 3719 Riverside Little San Bernardino Mountains, Morongo Wash, c. 2 mi south of San Bernardino County Line, just east of Hwy. 62, at the foot of the Little San Bernardino Mountains, and 12 mi NNW of Palm Springs 549 Comment
  POM250248  Phacelia curvipes E. C. Jaeger 1939-6-1 s.n. Riverside Pinon Alta, Mojave Desert 1585 Comment
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Mar 25 2011
  JOTR30256  Phacelia distans Leary, C. and Leary, Pat 1979-5-6 3021 Riverside Joshua Tree National Park. West end of Lost Horse Valley, Joshua Tree N.M., T2S R7E sec 13 Comment
  JOTR31159  Phacelia distans La Doux, Tasha 2009-6-3 1867 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  RSA0069666  Phacelia distans Cheryl Sevilla, Sarah J. De Groot 2015-2-18 12 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  RSA426250  Phacelia distans H. de Forest, Jack Rempel 1934-4-14 19807 Riverside San Gorgonio Pass. 602 Comment
  RSA650531  Phacelia distans Dolores Perez 1981-4-11 21 Riverside Cajalco Rd., S. of Lake Matthews. Comment
  SBBG119453  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Walker Cyn at N foot of Alberhill Mtn, Temescal Crk 378 Comment
  SD152827  Phacelia distans Steve Boyd, Orlando Mistretta 1992-4-23 7069 Riverside San Mateo Canyon Wilderness Area; along San Mateo Creek from Riverside County line following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UC24340  Phacelia distans H. M. Hall June 1901 2277 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  UCR228918  Phacelia distans A. C. Sanders 2011-4-6 39014 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR25548  Phacelia distans John C. Roos 1941-4-19 175 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  SEINET12280101  Phacelia distans H. M. Hall 1902-1 2953 Riverside vicinity of Riverside, in the Sonoran Zone 366 Comment
  RSA524582  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4130 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR111551  Phacelia minor Mitch Provance, J. Ross 1999-4-1 1730 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  UCR224447  Phacelia minor Steve Boyd, Susan Jett 2008-3-20 11826 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
  UCR6185  Phacelia minor Martha Hofmann 1967-5-12 s.n. Riverside S of Corona, off Hwy 71 between El Cerrito and Cajalco Road west of Temescal Road and east of Hwy 71. Comment
  RSA550341  Phacelia minutiflora Walter Wisura, John Dolan, M. Wall 1992-3-25 4647 Riverside Low Desert: Ford Dry Lake N of I-10 at Hopkins Well. Comment
  RSA428114  Phacelia mutabilis Anstruther Davidson 1896-7-7 1921 Riverside Mt. San Jacinto. 2744 Comment
  UC455957  Phacelia mutabilis I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  LA205631  Phacelia parishii Philip A. Munz; 1937-5-29 15101 Riverside Shumway, edge of Pinyon Flats, San Rosa Mts 1219 Comment
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Mar 11 2014
  GMDRC6544  Phacelia ramosissima J. M. Andre 2012-6-15 30496 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  UCR176895  Phacelia ramosissima Tracy Tennant 1998-7-1 s.n. Riverside Double Butte, between Winchester and Homeland 762 Comment
  POM10401  Phacelia ramosissima var. latifolia Charlotte M. Wilder 1903-4-23 165 Riverside Wilder s canyon, Jurupa Hills, near Riverside. Comment
  SEINET7063446  Phacelia suaveolens A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  RSA74836  Phacelia suaveolens subsp. keckii F. W. Peirson 1931-5-30 9378 Riverside Trail from Glen Ivy to Santiago Peak 1372 Comment
  SEINET10496510  Philibertia heterophylla Reed 1930-9-19 Reed 8105 Riverside Arroyo terguigiante. Comment
  JOTR32532C  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA788754  Pholistoma membranaceum R. W. Spjut 2008-2-11 16188 Riverside California Sonoran Desert. BLM: Just west of Desert Hot Springs off North Indian Canyon Drive along southside of Highway 62. 243 Comment
  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-BC135101  Phoradendron californicum Catherine A. Toschi 1963-4-11 63 :123 Riverside Porcupine Wash, Joshua Tree National Monument 762 Comment
  RSA420778  Phoradendron californicum Ora M. Clark 1929-2-22 1739 Riverside e. Palm Spring. Comment
  RSA612203  Phoradendron densum N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  UC1078928  Phoradendron densum Job Kuijt 1958-3-14 1493 Riverside 11.7 mi. s. Palm Desert 975 Comment
  UCR6522  Phoradendron densum O. F. Clarke 1966-10-15 661015- 2 Riverside San Jacinto/Santa Rosa Mtns., end of Big Horn Rd. 915 Comment
  SD232811  Phoradendron macrophyllum A. C. Sanders, J. Goetzen 1996-5-1 18141 Riverside Moronogo Indian Reservation, along dirt road in Hathway Crk. Cyn., N of Banning. 792 Comment
  UCR178009  Phoradendron villosum T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 607 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  JOTR32606  Physalis crassifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2670 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA423188  Physalis crassifolia Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA699074  Physalis crassifolia J. Russell Bruff 1929-11-27 428 Riverside Split Rock Comment
  UC56825  Physalis crassifolia H. M. Hall May 1901 1848 Riverside borders of Colorado Desert (e base of San Jacinto Mountains); San Jacinto Mountains Comment
  JEPS8969  Physalis philadelphica Mr. McGraw 1904-1 Riverside Riverside Comment
  UC219194  Pilularia americana P. A. Munz 1922-4-29 5087 Riverside 1/2 mi s Lake Elsinore Comment
  SEINET2149955  Pinus californiarum S. Langer 2000-1 s.n. Riverside Thomas Mountain area. 1524 Comment
  CAS-BOT-BC78472  Pinus contorta subsp. murrayana Winifern W. Swarth 1915-9-10 s.n. Riverside Ridge west of Tahquitz Valley (highest point on Strawberry Valley Trail), San Jacinto Mts. 2438 Comment
  CAS-BOT-BC78594  Pinus flexilis Winifern W. Swarth 1914-9-10 s.n. Riverside Ridge west of Tahquitz Valley (highest point on Strawberry Valley trail), San Jacinto Mts. 2438 Comment
  CAS-BOT-BC78595  Pinus flexilis H. M. Hall 1902-4-1 2886 Riverside near [Tauquitz] Tahquitz 2682 Comment
  CAS-BOT-BC78598  Pinus flexilis Arthur Menzies; Bob Murray 1957-8-21 s.n. Riverside Marion Mt., San Jacinto Mts. Comment
  POM293252  Pinus quadrifolia Lyman Benson 1956-12-1 15706 Riverside Palms to Pines Highway at the lowest level of Coulter pines. Mt. Range San Jacinto. 1524 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
  UCSB143  Pinus quadrifolia White, Arthur 1960-5-15 Riverside 75 yds. n. of road to Anza, 0.4 mi. w. of its junction with Hwy. 74 Comment
  UCR219072  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Sonoran (Colorado) Desert, Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. -35 Comment
  UCR126326  Pityrogramma triangularis Mitch Provance 1998-4-5 395 Riverside Reche Canyon, Reche Canyon Road, near intersection with Keissel Rd., c. 1 mile south of S.B.C./R.C. Line. 549 Comment
  UCR116462  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2001-3-30 23859 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR137477  Plagiobothrys canescens D. L. Banks 1997-3-16 1537 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UCR140313  Plagiobothrys canescens A. C. Sanders, Guy Bruyea 2004-4-2 27414 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR241778  Plagiobothrys canescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40731 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  UCR91471  Plagiobothrys canescens Scott D. White, M. Jacobsmeyer 1996-4-20 3979 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR225440  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38845 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  POM3720  Plagiobothrys collinus var. californicus Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  SD244101  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green. 2013-3-27 40684 Riverside Peninsular Range: Alberhill, dirt track NE of new section of Nichols Road, south of Lake Street (Alberhill 7.5'Q) 433 Comment
  UC78057  Plagiobothrys collinus var. californicus Edward Lee Greene 1885-1-1 Riverside Temecula Station Comment
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Mar 27 2011
  UCR250215  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-8 40979 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
  UCR112995  Plagiobothrys collinus var. fulvescens Mitch Provance, Seychelle Provance, Juanita Provance, Claude Provance 1999-4-4 1721 Riverside Riverside, 'Whitegates Hills', c. 0.125 miles north of Overlook Pkwy. 381 Comment
  RSA0013701  Plagiobothrys collinus var. ursinus LeRoy Gross, Grace Cho 2013-4-9 5996 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
  UCR21032  Plagiobothrys leptocladus A. C. Sanders, Steve Boyd 1980-5-19 1480 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR20824  Plagiobothrys nothofulvus A. C. Sanders 1980-5-17 1465 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  RSA614092  Plagiobothrys tenellus D. L. Banks 1997-4-5 1695 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  SEINET272326  Plagiobothrys tenellus A. C. Sanders, G Helmkamp 1997-3-15 19961 Riverside Lake Skinner Area; NE of Skinner Lake in a tributary to Rawson Canyon along the dirt road. UTM 10km cell: MH-9E 1N. Sk 503 Comment
  UCR25971  Plagiobothrys tenellus John C. Roos 1952-4-29 5594 Riverside Box Springs Mtns, Reche Canyon. 457 Comment
  CAS-BOT-BC174041  Plantago erecta A. C. Sanders 1997-3-12 19846 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA524397  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4119 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA613132  Plantago erecta D. L. Banks 1997-3-6 1402 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. 'Fiesta Grounds', east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  CDA6611  Plantago major G. D. Barbe, J. L. Johnson 1983-1-25 4038 Riverside Bank of Colorado River at Water Wheel Recreation Area, Highway 395. 0 Comment
  RSA741085  Plantago major Justin M. Wood 2008-11-17 226 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC310582  Plantago ovata Philip A. Munz 1926-1-31 9978 Riverside Dos Palmos Spring Colorado Desert Comment
  RSA709893  Plantago ovata var. fastigiata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4594 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA770451  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4563 Riverside Transverse Ranges, San Bernardino Mountain region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.95609, W116.64365 and N33.95477, W116.64248. 526 Comment
  RSA773178  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-27 1128 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  IRVC2718  Platanthera leucostachys R. H. Whittaker, W. A. Niering 1963-6-6 SJ 225 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  CAS-BOT-BC93211  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside Snow Creek Canyon, 0.5 mile below the fish hatchery, north base of San Jacinto Mountain. 548 Comment
  SD219086  Platanus racemosa Robert Allen, Fred M. Roberts 2007-6-22 Riverside SE of Hemet, Cautista Canyon, ca. 4.0 road miles southeast of jct Bautista Canyon Road and Fairview Ave. 726 Comment
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Aug 11 2012
  RSA585733  Plectritis ciliosa subsp. insignis D. L. Banks, Steve D. Boyd 1995-5-9 388 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  JOTR30071  Pleuraphis rigida La Doux, Tasha, Bill Truesdell 2006-10-3 1714 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  POM122532  Pleurocoronis pluriseta Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  POM41778  Pleurocoronis pluriseta Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  CAS-BOT-BC414255  Pluchea odorata var. odorata R. E. Riefner, Jr. 2011-10-16 11 -143 Riverside City of Lake Elsinore, W of Hwy. 74, S side of Temescal Wash, ca. 0.2 mi N of Baker St., vicinity of Bromley Ave. and Baker St. 382 Comment
  RSA0120628  Pluchea sericea Duncan S. Bell, Thomas Stoughton 2016-3-16 8943 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 408 Comment
  UC35678  Pluchea sericea H. M. Hall 1901-6-1 Riverside near Palm Canyon Comment
  UCR89811  Pluchea sericea Scott D. White 1993-5-27 1411 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  SD136950  Poa annua Steve Boyd 1992-4-14 6816 Riverside Santa Ana Mtns, San Mateo Wilderness Area. Western edge of Oak Flats area along Bluewater Tr. From Verdugo Tr. S to crest of ridge W side of Bluewater Cyn. 730 Comment
  RSA34535  Poa annua N. C. Cooper 1943-10-9 951 Riverside Hemet. 305 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
  UCR98118  Poa secunda subsp. secunda Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4023 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  JOTR37490  Polygala acanthoclada Hodges, Stephen R. 2016-5-1 619 Riverside Joshua Tree National Park. Cottonwood Mountains, to the north east of the Cottonwood visitor center Comment
  UCR19206  Polygala cornuta var. fishiae John C. Roos 1960-5-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., ridge east of Sugarloaf [=Pleasants Peak] 1067 Comment
  RSA155556  Polygonum argyrocoleon L. S. Rose 1962-3-2 62011 Riverside La Quinta 3 Comment
  UCR34117  Polygonum fagopyrum Lance F. Howard 1984-5-25 035 Riverside Riverside, 3950 Cedar St. between 9th and 10th Sts. 244 Comment
  UCR40195  Polygonum punctatum Steve Boyd 1985-7-23 1014 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  UCR174238  Polypogon monspeliensis A. C. Sanders, T. B. Salvato 2006-6-2 33080 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
  UCR42327  Polypogon monspeliensis N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 172 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
  SEINET10767438  Populus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12842 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  CAS-BOT-BC102583  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Colorado Desert, along the Colorado River near the Blythe Bridge 91 Comment
  CAS-BOT-BC102604  Populus fremontii Marian L. Campbell 1921-3-19 34 Riverside Banning Comment
  UC218050  Populus fremontii subsp. fremontii P. A. Munz, D. Keck 1922-4-14 4975 Riverside Whitewater Ranch Colorado Desert 213 Comment
  RSA1556  Porophyllum gracile J. T. Howell 1928-7-10 1047 Riverside Hidden Canyon, Santa Ana Mts. 396 Comment
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Apr 24 2013
  UC69033  Porophyllum gracile H. M. Hall 1905-5-2 5977 Riverside Chuckawalla Mt. Colorado Desert Comment
  UCR102718  Porophyllum gracile B. G. Pitzer 1998-1-24 3404 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR202324  Portulaca oleracea Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UC537210  Potentilla wheeleri M. E. Jones Sep 1933 Riverside San Jacinto Mountains Comment
  UCR108726  Prosopis glandulosa Scott D. White, Sandy Leatherman 1998-4-15 6284 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  LA47464  Prosopis glandulosa var. torreyana A. M. Johnson; 1933-4-28 4205 Riverside E of Cook's Ranch, 4 mi. N of Indian Wells, and 15 mi. below Palm Springs Comment
  JEPS46164  Prosopis pubescens Marjorie D. Clary 1936-9-27 Riverside Coral Reef ranch Colorado Desert (nw arm of Colorado Desert) Comment
  UC629761  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 mi e Blythe; Palo Verde Valley 76 Comment
  SBBG70929  Prunus emarginata R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  UC489222  Prunus emarginata C. V. Meyer 1928-7-31 606 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2286 Comment
  SD247497  Prunus fasciculata A. C. Sanders, Jim Malusa 2015-3-9 41366 Riverside Sonoran (Colorado) Desert:Chocolate Mountains, along Gasline Road atmajor wash crossing 1.9 miles south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Cloud Canyon 7.5'Q) 205 Comment
  LA208145  Prunus fremontii Harlan Lewis; 1938-4-10 sn Riverside Pines to Palms Hwy 853 Comment
  RSA294430  Prunus fremontii Lyman D. Benson, Robert Benson 1952-3-23 14842 Riverside Mountainsides above Cathedral City on the Palms-to-Pines Highway. Mt. Range San Jacinto. 701 Comment
  RSA314043  Prunus fremontii Walter Wisura 1983-7-9 3918 Riverside 11 mi fr. jctn. with Hwy 111. along Hwy 74. Comment
  HSC85250  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA611287  Prunus virginiana var. demissa C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  HSC66537  Psathyrotes ramosissima Christopher Davidson 1979-4-4 7681 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  UC90701  Psathyrotes ramosissima E. Palmer, M. D. March 1876 Riverside Valley of the Colorado Comment
  RSA0104486  Pseudognaphalium Duncan S. Bell 2015-9-30 8669 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR199566  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR281889  Pseudognaphalium leucocephalum R. E. Riefner Jr. 2017-9-4 17- 451 Riverside Perris-Aguanga Basin, Wolf Valley, city of Temecula, Temecula Creek, immediately north of Temecula Lane and Canterfield Drive, vicinity of Pala Community Park 323 Comment
  UC489194  Pseudognaphalium stramineum C. V. Meyer 1928-7-30 589 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  UC485673  Pseudognaphalium thermale A. J. Perkins 1916-9-17 Riverside Idlywild <may be Idlewild> San Jacinto Mt., Idlywild Comment
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Oct 19 2008
  RSA85082  Psilocarphus brevissimus J. C. Roos 1952-4-30 5601 Riverside Edgemont, near Box Springs 488 Comment
  CAS-BOT-BC361788  Psilocarphus brevissimus var. brevissimus D. E. Bramlet 1991-5-7 2123 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR166803  Psilocarphus chilensis R. E. Riefner Jr. 2005-4-22 05- 242 Riverside W side of Hwy 79, between Old Newport Road and Paton Road 469 Comment
  SBBG68078  Psorothamnus arborescens Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  CAS-BOT-BC353591  Psorothamnus arborescens var. simplicifolius Peter H. Raven 1962-4-7 17115 Riverside Whitewater Wash, 1.5 miles north of U.S. Highway 70 - 99 Comment
  HSC66747  Psorothamnus emoryi D. Goforth, D. Reed 1980-3-25 354 Riverside Hwy. 195, 6 mi. E of Mecca, Box Canyon, Mecca Hills. 122 Comment
  JOTR31716  Psorothamnus emoryi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 1525 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  RSA663909  Psorothamnus emoryi C. R. Annable 1995-3-9 2259 Riverside ca. 13 km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  RSA799244  Psorothamnus emoryi Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 735 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  SEINET2063866 Image available Psorothamnus emoryi P. Leary 1975-4-27 1115 Riverside One mile SE of Pinto Wells, Joshua Tree National Monument. 365 Comment
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Dec 3 2014
  POM122472  Psorothamnus schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  SD73621  Psorothamnus schottii Helen V. Witham 1970-4-29 838 Riverside On Hyw. 74, 29.2 miles east of L. Hemet 600 Comment
  UCR165294  Psorothamnus schottii John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  UCR241711  Psorothamnus schottii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 44 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  RSA601933  Pterostegia drymarioides W. B. Welch 1928-5-5 s.n. Riverside Idyllwild, San Jacinto Mts. Comment
  SBBG103856  Pterostegia drymarioides M. A. Patten 1992-5-7 92 -28 Riverside Via Vaquero at Via Oesta, ca. 5 km W of Temecula, Santa Rosa Plateau Comment
  SD137662  Pterostegia drymarioides Darin L. Banks, Steve Boyd 1995-5-3 229 Riverside Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco 512 Comment
  UCR225714  Pterostegia drymarioides A. C. Sanders 2011-3-30 38913 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR91519  Pterostegia drymarioides Scott D. White 1995-4-5 2749 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  RSA401600  Pycnanthemum californicum T. H. Holmes 1932-1 s.n. Riverside San Jacinto Mountains. Comment
  UCR266599  Quercus Mitch Provance 2009-9-10 17427 Riverside San Bernardino Mountains, Banning, beneath SCE lines, about 0.95 mi N of the intersection of Florian St. and W Gilman 909 Comment
  RSA50466  Quercus X munzii P. A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  UCD47059  Quercus X munzii P. A. Munz 1946-10-21 11590 Riverside (Q. turbinella Green subsp. Californica Tucker). Live Oak tank, Joshua Tree National Monument, Riverside County, California. 1219 Comment
  RSA614235  Quercus agrifolia A. C. Sanders, G Helmkamp 1997-3-15 19979 Riverside Lake Skinner area, N foot of 1700 ft. hill E of Bachelor Mtn., 488 Comment
  UCR158896  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31559 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  SEINET13953027 Image available Quercus agrifolia Peter H. Raven 1958-1 12982 Riverside Along roadside, 3.0 miles east of junction to Aguanga San Jacinto Mountains Comment
  HSC8118  Quercus berberidifolia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23102 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA477112  Quercus cornelius-mulleri J. C. Roos 1965-9-26 s.n. Riverside Pinyon Flats, Santa Rosa Mts. Comment
  UCD45606  Quercus cornelius-mulleri K. R. Montgomery 1969-6-9 69 19 Riverside Wilson Valley, 18 miles south of Hemet, Riverside County, California. Elev. 3500'. 1066 Comment
  UCR40035  Quercus cornelius-mulleri G. R. Ballmer, G. F. Pratt 1985-10-19 s.n. Riverside Little San Bernardino Mtns., side canyon off Berdoo Canyon, near boundary of Joshua Tree National Monument [Park]. 1524 Comment
  RSA768123  Quercus dumosa E. W. Lathrop 1969-6-5 7093 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  IRVC14033  Quercus dumosa L. T. McHarque 1965-8-24 s.n. Riverside Comment
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Jun 23 2013
  SFV8726  Quercus engelmannii F. C. Vasek 1975-9-11 s. n. Riverside Horsetheif Creek Canyon, southwest of Pinyon Flat where the Cactus Spring Trail crosses. Comment
  UCR189774  Quercus engelmannii Angela Hyder 2006-10-2 077 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  CAS-BOT-BC104312  Quercus palmeri D. E. Breedlove 1961-8-5 952 Riverside 2.7 miles N of Anza road, State 74 1310 Comment
  UCD47104  Quercus palmeri Louis B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley, San Jacinto Mts. Near the Kentworth Ranger Station. 1417 Comment
  UCD47106  Quercus palmeri Rudolph Fischer 1965-10-8 4 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  RSA613719  Rafinesquia californica D. L. Banks 1997-4-5 1694 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR214578  Rafinesquia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37844 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  CAS-BOT-BC362618  Rafinesquia neomexicana Ira L. Wiggins 1941-3-27 9688 Riverside 9 miles west of Desert Center Comment
  CAS-BOT-BC362625  Rafinesquia neomexicana Roxana S. Ferris 1953-3-11 12605 Riverside Crossing on Highway 60-70 of Eagle Mountain Iron Mine Railroad Comment
  CLARK-A1528-2075  Rafinesquia neomexicana John C. Roos 1947-3-1 3304 Riverside Garnet Comment
  RSA176348  Rafinesquia neomexicana R. F. Thorne 1963-3-29 32382 Riverside 7-8 miles east of Mecca, Mecca Hills 152 Comment
  RSA3968  Rafinesquia neomexicana C. B. Wolf 1932-4-29 3107 Riverside Eastern Colorado Desert, 9 miles south of Browns Well, on the Blythe-Rice Road 244 Comment
  RSA80988  Rafinesquia neomexicana G. R. Campbell 1952-4-5 18374 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  RSA740940  Ranunculus aquatilis Scott D. White, Justin M. Wood 2008-7-9 12442 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UCR386  Ranunculus aquatilis Emily E. McGregor 1972-4-30 s.n. Riverside Peninsular Range, 0.5 mi west of Tenaja Station, Tenaja Rd. (6S08). Comment
  RSA741170  Ranunculus californicus Scott D. White, Justin M. Wood 2008-5-15 12006 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA0030881  Ranunculus cymbalaria var. saximontanus Ira W. Clokey, E. G. Anderson 1935-8-21 6627 Riverside Hemet. 1030 Comment
  RSA0019609  Ranunculus eschscholtzii var. oxynotus Charlotte M. Wilder s.n. Riverside San Jacino Mts Summit. Comment
  UCR151412  Ranunculus hebecarpus D. L. Banks 1997-4-5 1708 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  POM273399  Raphanus sativus Lyman Benson 1932-3-26 3160 Riverside 3 miles N [of] Temecula. 457 Comment
  UC56738  Raphanus sativus H. M. Hall April 1902 2989 Riverside vicinity of Riverside; Southern California 457 Comment
  RSA0085044  Raphanus sativus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 7 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  UCR231042  Rhamnus californica A. C. Sanders, Kent Beaman 2011-9-27 39922 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  CLARK-A1528-3907  Rhamnus crocea JOhn C. Roos 1952-2-29 5378 Riverside Reche Canyon 457 Comment
  RSA1791  Rhamnus ilicifolia Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
  RSA6120  Rhamnus ilicifolia Carl B. Wolf 1932-5-25 3688 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
  SEINET10634145  Rhamnus ilicifolia Greg Gust, Leith Nye 2005-3-12 Gust 554 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  RSA249845  Rhododendron occidentale R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38120 Riverside San Bernardino National Forest, San Jacinto Mountains; Above and in James Reserve 1677 Comment
  SBBG59933  Rhododendron occidentale M. Lewis 1947-8-26 9 Riverside Dark Cyn 1981 Comment
  CAS-BOT-BC200030  Rhododendron occidentale var. californicum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  CAS-BOT-BC168026  Rhus aromatica A. C. Sanders; Mark Elvin; Julie M. Vanderwier 2002-4-22 25014 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  JOTR37449  Rhus aromatica Hodges, Stephen, T. Green 2016-5-24 571 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
  LA62888  Rhus aromatica Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  UCR136413  Rhus laurina A. C. Sanders 2004-6-20 28235 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., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  SBBG133570  Rhus ovata S. D. White, A. Carey, L. Archa 2004-8-5 10684 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  UC1130568  Rhus trilobata J. B. Spring 1931-4-17 35 Riverside head of Dawson Canyon 457 Comment
  UC484124  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside near Corona (Hidden Canyon); Santa Ana Mts. Comment
  RSA439666  Ribes indecorum N. C. Cooper 1947-4-5 2111 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCSB39052  Ribes malvaceum var. malvaceum Jorgensen, Jan 1982-1-19 Riverside 3 kilometers up highway 243 from interstate 10; Banning; San Jacinto Mountains Comment
  UCR96796  Ribes quercetorum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19766 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UC1929908  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR199570  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR4163  Ricinus communis R. H. Sauer 1965-4-30 s.n. Riverside Peninsular Range, Intersection of Chase Drive and Skyline Drive, 3.5 mi SW of Corona 244 Comment
  HSC73100  Romneya coulteri Robert A. Schlising 1973-6-25 3105 Riverside SW of Corona, deadend road 2.1 mi. SW of junction with Hwy. 71 Comment
  UCR235073  Romneya coulteri A. C. Sanders, John F. Green 2012-6-1 40222 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
  CSUSB1435  Rorippa nasturtium-aquaticum R. L. Irwin 1962-4-21 0033 Riverside By Dam at north west end of Lake Evans 243 Comment
  SDSU17734  Rorippa nasturtium-aquaticum D. C. Estrella, M. G. Simpson 2002-4-20 28 Riverside Shallow, aquatic pool. Santa Margarita Ecological Preserve. 229 Comment
  UCR84611  Rorippa nasturtium-aquaticum Scott D. White, S. Ogg 1994-4-21 2005 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR132712  Rubus ursinus A. C. Sanders, O. F. Clarke 1991-6-10 11125 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR91738  Rubus ursinus A. C. Sanders, J. Goetzen 1996-5-1 18131 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCR194213  Rumex conglomeratus Scott D. White, Angelia Carey 2004-6-4 10474 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR199646  Rumex maritimus Justin M. Wood 2008-7-16 39 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  SD146180  Rumex pulcher Mitch Provance, Andy C. Sanders 2000-7-4 2095 Riverside Santa Ana River Wash, between Market St. and Riverside Ave crossings 244 Comment
  UC6968  Rumex salicifolius var. salicifolius H. M. Hall 1901-7-1 2474 Riverside Tauquitz Valley San Jacinto Mountains 2743 Comment
  UCR101300  Rumex violascens L. C. Wheeler 1955-6-10 7155 Riverside Sonoran (Colorado) Desert, Colorado River at John's Boat Landing Comment
  RSA389636  Sagina C. Sylber 1986-5-20 s.n. Riverside Yard at 1040 Central Ave., Riverside. Comment
  UC2015597  Sagina apetala A. C. Sanders and G. Helmkamp 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weeds in landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. Comment
  UCR111779  Sagina apetala Mitch Provance 1999-5-4 1691 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC494397  Salazaria mexicana C. L. Hitchcock 1932-4-7 12204 Riverside Corn Springs; eastern Riverside County Comment
  POM360990  Salix exigua Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR101456  Salix exigua A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22224 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  RSA0105852  Salix exigua Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed between Riverside Ave & Market St. Bridge. Comment
  LA208613  Salix exigua var. exigua Marcus E. Jones; 1930-3-15 26531 Riverside Eagle Mountains Comment
  SD80150  Salix exigua var. exigua Nancy Ryan Zabriske, Walter Zabriske 1971-3-7 353 Riverside Andreas Canyon, east slope San Jacinto Mountains 359 Comment
  UC4994  Salix exigua var. hindsiana H. M. Hall June, 1901 2105 Riverside borders of Colorado Desert, e base San Jacinto Mts. Comment
  CAS-BOT-BC108102  Salix gooddingii Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  POM122567  Salix gooddingii Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms. Comment
  CAS-BOT-BC108215  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UC506447  Salix laevigata Carl Hedin and Joseph Ewan 1933-3-19 7679 Riverside Comment
  UC506453  Salix laevigata Carl Hedin and Joseph Ewan 1932-7-9 7678 Riverside near Prado (below Corona); China Creek Comment
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Dec 11 2011
  UCR241398  Salix laevigata T. B. Salvato 2013-3-22 7392 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  RSA613316  Salix lasiolepis D. L. Banks 1997-3-1 1381 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UCR194208  Salix lasiolepis Scott D. White, Angelia Carey 2004-6-4 10471 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  CAS-BOT-BC128450  Salix lasiolepis var. lasiolepis Frank W. Peirson 1933-4-14 10648 Riverside Banning - Idlewild Road 1524 Comment
  RSA0010976  Salix scouleriana Robert F. Thorne, Walter Wisura 1977-9-17 50780 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  JEPS59872  Salsola tragus Marjorie D. Clary 1932-10-2 1581 Riverside 6 mi. w. Indio (Point Happy); Whitewater Wash, Point Happy Comment
  RSA0095111  Saltugilia australis Steve Boyd 1980-5-6 s.n. Riverside Motte Reserve. Rocky hills 2.5 mi NW of Perris. 518 Comment
  JOTR29605  Saltugilia latimeri Andre, Jim 2006-4-26 6762 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  NY43198  Salvia apiana J. B. Walker 1995-5-3 1406 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  UCLA55212  Salvia apiana C. Epling and Mrs. Epling 1937-6-6 B Riverside 0.6 mi below Palms to Pines Hwy. (Palmes-Pines Hwy) Comment
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Dec 18 2011
  UCR136929  Salvia carduacea B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1482 Riverside Gavilan Hills, between Perris and Gavilan Peak 500 Comment
  IRVC8206  Salvia columbariae D. W. Goodall 1968-4-22 none Riverside Hwy. 74; 6 km. south of Palm Desert. Santa Rosa Mountains Comment
  RSA401471  Salvia columbariae N. C. Cooper 1944-3-25 1005 Riverside Morongo Pass. 457 Comment
  RSA49367  Salvia columbariae P. A. Munz 1949-4-11 12994 Riverside North base of Eagle Mtns. Mojave Desert. 945 Comment
  SD143868  Salvia columbariae A. C. Sanders 1997-3-1 19713 Riverside Box Spring Mts., Coyote Hill, (Bench Mark Versity,1386 Ft) and Ridge S & SE of the UCR Botanic Garden 422 Comment
  SEINET1004378  Salvia columbariae T. B. Salvato, Kent Beaman 2005-1 850 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundry and N of Ca hwy 74. 549 Comment
  UCR135719  Salvia columbariae Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9000 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCR16803  Salvia dorrii subsp. dorrii Leland E. Francois 1966-4-23 42366- 4 Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], south edge of Ryan Mountain Campground 1300 Comment
  SD49858  Salvia eremostachya Peter H. Raven 1958-5-18 13000 Riverside Along State Highway 74, 4.9 miles northeast of Pinon Flats, San Jacinto Mountains. Comment
  JEPS16863  Salvia greatae Marjorie D. Clary 1933-4-9 2185 Riverside 4 mi n Dos Palmos (n Colorado Desert); Colorado Desert 121 Comment
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Apr 29 2008
  RSA45224  Salvia greatae L. Roos 1949-4-6 4154 Riverside Mouth of rocky canyon, south foot Chocolate Mtns., north of Pope. 91 Comment
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May 26 2015
  RSA45226  Salvia greatae J. C. Roos, L. Roos 1946-4-6 4142 Riverside Orocopia Mountains, 2.5 miles northeast of Dos Palmos Springs 152 Comment
  UC883920  Salvia greatae C. Epling Apr 1937 Riverside Canyon n of Hidden Spring; Orocopia Mtns. Comment
  RSA434148  Salvia mellifera Richard C. Barkelew 1929-3-3 s.n. Riverside Perris. Comment
  RSA614369  Salvia mellifera A. C. Sanders 1997-3-1 19746 Riverside Box Springs Mtns., S end of the range along Gernert Rd. (dirt), in valley draining to Box Spring Cyn. 457 Comment
  UC25679  Salvia pachyphylla H. M. Hall 1897-8-11 809 Riverside Tauquitz Valley; San Jacinto Mountains 2286 Comment
  RSA125250  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22669 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 503 Comment
  SEINET12327259  Salvia vaseyi P. H. Raven 1958-1 12929 Riverside SW of Palm Desert 10.2mi on State Hwy 74, San Jacinto Mts 762 Comment
  UCR169318A  Sambucus mexicana T. B. Salvato, John F. Green 2004-5-27 618 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
  UCR240998  Sambucus mexicana Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 19 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  CAS-BOT-BC238851  Sambucus nigra subsp. caerulea A. M. Vollmer; L. Beane 1953-6-29 16 Riverside Oak Glen, San Bernardino Mountains Comment
  RSA560376  Sanicula arguta Steve Boyd 1992-4-14 6806 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA612934  Sanicula bipinnatifida D. L. Banks 1997-3-29 1643 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
  UCR241569  Sanicula bipinnatifida A. C. Sanders 2013-4-16 40800 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, below/NE of the intersection of McPherson Rd. and Keystone Dr. 450 Comment
  SDSU13888  Sanicula tuberosa Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2090 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR29260  Sanicula tuberosa A. C. Sanders, K. Berg 1980-5-1 01358 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  POM19642  Sarcodes sanguinea Mary F. Spencer 1923-6-13 2220 Riverside Prope [near] Idyllwild, San Jacinto Mts. 1677 Comment
  RSA249824  Sarcodes sanguinea R. F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38122 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  JEPS27446  Sarcostemma hirtellum E. E. Schellenger April 1920 Riverside Chuckwalla Mts. Colorado Desert, Chuckwalla Mts. Comment
  UCR189553  Satureja chandleri Diane Menuz 2006-6-6 141 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Miller Canyon, 1 hour hike from road 549 Comment
  UCR196367  Schismus arabicus Naomi Fraga, Lisa Rojas 2005-2-10 1365 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  HSC92568  Schismus barbatus Isely, Bragonier 1960-3-22 7196 Riverside Desert Palms. Comment
  RSA614179  Schismus barbatus D. L. Banks 1997-2-17 1280 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, along Pechanga Road in the Reservation, approximately 10 m west of the Pechanga Tribal Government Center. 367 Comment
  SEINET6190224 Image available Schismus barbatus Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-1 4464 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  CAS-BOT-BC111576  Schoenoplectus americanus John Thomas Howell 1928-1-28 3286 Riverside Along stream, Thousand Palms, Colorado Desert. Comment
  UCR278569  Schoenoplectus californicus Mitch Provance 2012-9-5 912- 07 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
  RSA516742  Scrophularia californica 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
  UCR35232  Scrophularia californica L. B. Ziegler 1964-8-25 22 Riverside San Jacinto Mtns, Garner (Hemet) Valley near Kenworthy 1433 Comment
  UCR169870  Sedum spathulifolium Dave Goodward 2004-1 s.n. Riverside San Jacinto Mtns., mouth of narrow side canyon off South Fork San Jacinto River 1159 Comment
  LA209602  Selaginella asprella Lawrence L. Kiefer; 1963-9-15 954 Riverside San Jacinto Mountains, N fork San Jacinto River (Dark Cyn.), ca. 2.5 mi above Dark Canyon Camp 1981 Comment
  UCR270354  Selaginella bigelovii Dick Newell, Judy Booth 2016-1-17 417 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.4 mile south of Elsinore Peak 978 Comment
  CAS-BOT-BC62083  Selaginella eremophila S. B. Parish 1907-4-18 6111 Riverside Western edge of the Colorado Desert 200 Comment
  RSA523511  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-30 3971 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  UCR93842  Senecio californicus Kent Beaman 1996-4-18 s.n. Riverside Peninsular Range, 6-7 miles east of Temecula, 40 acre parcel on De Portola Road, opposite Calle de Oro 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
  LA203916  Senecio flaccidus var. douglasii Elizabeth McClintock; 1938-5-15 sn Riverside San Jacinto Mountains, foot of Idyllwild grade Comment
  RSA425136  Senecio mohavensis Steven A. Junak 1983-3-23 1625 Riverside East side of Jefferson Road, opposite entrance to Cahuilla Lake County Park, south of Indio. 0 Comment
  UCR18629  Senecio mohavensis John C. Roos, Lucille Roos 1949-4-10 4223 Riverside Sonoran (Colorado) Desert, Chuckwalla Mts, canyon 3.5 mi. SE of Desert Center 612 Comment
  SD143525  Senecio vulgaris W. L. Halvorson 1977-3-13 77 173 Riverside Rolling hills near Temecula Comment
  UCR97474  Senecio vulgaris A. C. Sanders 1997-3-1 19703 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Be