Search Results — 2000 specimen records retrieved (1909 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229351  Abronia villosa Milo S. Baker 1928-4-5 2848 b Riverside Palm Springs Comment
  CAS-BOT-BC229368  Abronia villosa J. Von Loh 1978-1-23 3296 Riverside Palo Verde Mesa, 12 mi SW. of Blythe 121 Comment
  CSUSB578  Abronia villosa Shirley Hill 1963-2-20 630220 3 Riverside Desert wash where houses end on Vista Chino St., Palm Springs, 500 yards up wash. Comment
  RSA461028  Abronia villosa D. A. Young 1969-3-28 P- 393 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  RSA461036  Abronia villosa R. H. Peebles, H. F. Loomis 1930-4-6 200 Riverside Mecca Comment
  RSA682171  Abronia villosa var. villosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10468 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
  UCR214698  Abronia villosa var. villosa A. C. Sanders 2010-3-23 37542 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SD146226  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring. 433 Comment
  RSA414905  Acacia greggii N. C. Cooper 1944-5-20 2632 Riverside Palms to Pines Hwy., San Jacinto Mtns. 304 Comment
  SEINET10491238  Acacia greggii Billy Joe Cox 1975-6-26 Cox 4201 Riverside Palo Verde, 103 km W, (ca 32 mi S of Blythe); creosote desert scrub; sandy and gravelly entisols. 70 Comment
  UCR116459  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-30 23856 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  CLARK-A1528-1529  Acamptopappus shockleyi John C. Roos 1937-4-18 2483 Riverside San Jacinto Mountains Comment
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Oct 2 2018
  LA26702  Acamptopappus sphaerocephalus William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  JEPS12539  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall and W. L. Jepson May 17 1901-Jun 1 1901 1833 Riverside label heading: Journey of Jepson & Hall from Riverside to Palm Canyon (and return to Van Deventers); Van Deventers Flat Comment
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Jul 5 2010
  RSA0117838  Acamptopappus sphaerocephalus var. sphaerocephalus Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7803 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  RSA221022  Acer macrophyllum E. W. Lathrop 1966-3-30 6129 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  RSA741571  Acer negundo Scott D. White, Justin M. Wood 2008-6-17 12163 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA314173  Acer negundo subsp. californicum Walter Wisura 1983-11-12 3949 Riverside Along trail above Morris Ranch Rd., above Garner Valley, San Jacinto Mtns. Comment
  CAS-BOT-BC218714  Achnatherum coronatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9663 Riverside 3 miles below junction of Idylwild Road on State Highway #74 Comment
  RSA771664  Achnatherum speciosum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4904 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SEINET7048023  Achyronychia cooperi Steven R. Hill, Kate Kramer 2001-4-27 33492 Riverside North side of Route I-10, west side of Coachella Canal, about 0.1-0.2 mile north of interstate highway, 3 miles east of Indio. Elevation about 31 feet. Comment
  UCSB72613  Acmispon glaber var. brevialatus White, Scott; Carey, Angelia 2004-4-5 Riverside San Jacinto Mountain Foothills: North of Valle Vista. Indian Creek Watershed 518 Comment
  RSA0117927  Acmispon rigidus Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7635 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1231 Comment
  SDSU18659  Acmispon strigosus C. Matt Guilliams, Jeannine Ross 2008-3-5 497 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  RSA296168  Adenostoma fasciculatum Barry A. Prigge 1980-8-5 3866 Riverside San Bernardino Mts, Whitewater Canyon: 0.5 miles N of trout farm. Slopes and terraces of canyon. 716 Comment
Read comments
Jan 14 2010
  SEINET3077253 Image available Adenostoma fasciculatum B. Pitzer 1986-5-24 231 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 0.25 mi N of hatchery boundary. 732 Comment
  UCR140688  Adenostoma fasciculatum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 59 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  POM49866  Adenostoma fasciculatum var. fasciculatum Philip A. Munz, Johnson 1924-7-29 8860 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  RSA543202  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd 1991-3-17 5483 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  JEPS44821 Image available Adenostoma sparsifolium W. L. Jepson 1903-8-6 2284 Riverside San Jacinto Mt., Chalk Hill 1371 Comment
  UC12020  Adenostoma sparsifolium H. M. Hall 1897-1 Riverside San Jacinto Mts., Chalk Hill 1676 Comment
  CAS-BOT-BC69647  Adiantum capillus-veneris Elmer I. Applegate 1892-4-23 829 Riverside E. Riverside. Comment
  UCR35308  Adiantum capillus-veneris L. B. Ziegler 1966-9-13 090 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  UCR50390  Adiantum jordanii L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  CLARK-A1528-1531  Agoseris retrorsa John C. Roos 1937-4-18 1362 Riverside Cabazon Comment
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Jun 10 2015
  CAS-BOT-BC249029  Agrostis A. C. Sanders; Mitch Provance 2008-7-11 35808 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
  SBBG59468  Agrostis exarata R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  UCR96599  Agrostis exarata Scott D. White 1996-8-1 4452 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  SD260152  Agrostis idahoensis Mitch Provance 2015-7-23 715 5 Riverside San Jacinto Mountains: Fern Valley, Strawberry Creek, vicinity of Rim Rock drive (San Jacinto Peak 7.5'Q) 1866 Comment
  UC1922837  Agrostis idahoensis Naomi Fraga, et al. 2006-7-11 1714 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  UC455165  Agrostis idahoensis I. J. Condit 1910-6-23 Riverside near spring (Tahquitz Camp); San Jacinto Mts., Tahquitz Camp 2438 Comment
  SEINET10467647  Agrostis oregonensis David B. Dunn 1946-8-17 Dunn 2707 Riverside Found in dry soil of taquitz valley in the san jacinto mts. Comment
  RSA535467  Agrostis pallens Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6652 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  RSA591753  Agrostis pallens E. W. Lathrop 1966-5-29 6377 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  SEINET3074278 Image available Ailanthus altissima Oscar F. Clarke 1970-7-22 Riverside Growing in the Botanic Gardens of the University of California at Riverside. Comment
  UCD117159  Ailanthus altissima Earl W. Lodthrop 1977-5-19 7681 Riverside Santa Ana Mountains. Base of Sierra Peak, facing Santa Ana Canyon, 1 mile NE of Coal Canyon. 167 Comment
Read comments
Apr 27 2013
  UCR248029  Akebia quinata O. F. Clarke 2011-3-3 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  SBBG81636  Aliciella latifolia subsp. latifolia S. A. Junak 1983-3-23 1636 Riverside E side of Jefferson Rd, across from entrance to Cahuilla Lake County Park Comment
  UCSB24716  Allium burlewii Sanders, Paul 1966-5-14 Riverside About 2 miles north of Tahquitz peak, in Mt. Pinos San Jacinto State Park 2438 Comment
  CAS-BOT-BC237  Allium fimbriatum var. munzii Philip Alexander Munz 1922-4-29 5051 Riverside 3 miles south of Glen Ivy Comment
  CAS-BOT-BC131980  Allium haematochiton Ynez Whilton Winblad 1937-4-19 s.n. Riverside Between Beaumont and Redlands Comment
  UCR144411  Allium haematochiton Scott D. White 2001-4-19 8376 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  CAS-BOT-BC516262  Alternanthera caracasana Mitch Provance 2013-6-18 613 -30 Riverside Santa Ana River Valley: Riverside, Arlanza area, Terrace Middle School on Rutland Ave. 227 Comment
  SD236156  Amaranthus albus A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23172 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
  UCR103547  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 1998-1-17 2530 A Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  RSA737434  Amaranthus palmeri Justin M. Wood 2008-8-31 122 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR274784  Amaranthus palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 124 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  UCR18739  Amaranthus powellii John C. Roos 1965-9-28 s.n. Riverside San Jacinto Valley, Hemet Comment
  UCR110377  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23116 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR103561  Ambrosia acanthicarpa George K. Helmkamp, E. A. Helmkamp 1998-1-7 2558 Riverside San Jacinto Valley, 4.7 mi. SE of Florida Ave. (Hemet) on Bautista Rd. 701 Comment
  POM48486  Ambrosia confertiflora Philip A. Munz, I. M. Johnston 1924-7-29 8887 Riverside Banning. Comment
  OBI25272  Ambrosia dumosa F. Seaman 1971-4-9 35 c Riverside 51.6 mi E of Twentynine Palms on State hwy 62 Comment
  RSA416965  Ambrosia dumosa Christopher Davidson 1979-4-4 7687 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA774505  Ambrosia dumosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4428 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
Read comments
May 26 2013
  RSA796102  Ambrosia dumosa Duncan S. Bell 2009-4-20 318 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC724342  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-30 3340 Riverside near, on Hwy 60; Desert Center Comment
  UCR41219  Ambrosia dumosa N. M. Fellows 1985-3-3 76 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  CAS-BOT-BC30794  Ambrosia ilicifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  UCR171902  Ambrosia pumila John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  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
  UCD128884  Ambrosia salsola R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  RSA802140  Amelanchier Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5009 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCR18300  Ammannia robusta A. C. Sanders 1979-10-6 424 Riverside San Jacinto Valley, c. 0.25 mi. west of Bridge Street near its intersection with Gilman Springs Road 427 Comment
  POM19489  Amorpha fruticosa Mary F. Spencer 1923-8-17 2191 Riverside Pipe creek, pr. [prope (near)] Thomas Valley, San Jacinto Mt. 1433 Comment
  RSA450474  Amorpha fruticosa J. C. Roos 1965-9-28 s.n Riverside San Jacinto Valley, near Gilman Hot Springs in dry canyon bottom. Comment
  RSA0089991  Amsinckia douglasiana Severauce 1926-2-20 s.n. Riverside Murray Canyon. Comment
  RSA0089621  Amsinckia intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, Lonnie Rodriquez, April Sall 2010-4-12 4572 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 525 Comment
  SD73597  Amsinckia intermedia Helen V. Witham 1970-5-1 849 Riverside Bautista Canyon, southeast of Hemet 800 Comment
  UC306211 Image available Amsinckia intermedia Ivan Johnston 1917-3-1 Riverside mouth Andreas Canyon; ; Mouth of Andreas Canon 243 Comment
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Nov 27 2010
  UCD119282  Amsinckia intermedia N. Miles Fellows 1985-3-16 102 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village. 487 Comment
  UCR140320  Amsinckia intermedia A. C. Sanders, Guy Bruyea 2004-4-2 27406 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UC455990  Amsinckia menziesii var. menziesii I. J. C. O. Edwards 1908-5-31 Riverside Estudillo Rancho; San Marguerita Comment
  SEINET12519219  Amsinckia tessellata A. C. Sanders, Pitzer, Charlton & Kniffen 1986-1 6104 Riverside Corn Spring, Chuckwalla Mountains. Comment
  UC1563007  Amsinckia tessellata var. tessellata Steve Boyd 1986-3-1 1372 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  UCR90338  Anagallis arvensis Scott D. White 1995-6-29 3411 Riverside Santa Ana Mtns,, Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence 366 Comment
  RSA757457  Anagallis minima Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55198 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de Colorado 625 Comment
  RSA525325  Ancistrocarphus filagineus Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4456 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  RSA700939  Anemopsis californica Michael Wall 2000-7-16 144 Riverside San Jacinto Valley: South side of Ramona Expressway, 0.5mi. E of Sanderson Ave. in swale along agricultural field fence. 457 Comment
  JOTR35480  Anisocoma acaulis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3168 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  POM12654  Antennaria rosea Philip A. Munz 1922-9-7 6403 Riverside Tamarack Valley, San Jacinto Mts. 2805 Comment
  RSA354843  Antirrhinum coulterianum N. C. Cooper 1944-5-21 2010 Riverside West side. Burned over canyon 1067 Comment
  RSA78284  Antirrhinum coulterianum Philip A. Munz, E. K. Balls 1952-8-21 17971 Riverside Vandeventer Flats, SE end of San Jacinto Mtns. 1402 Comment
  UCR155052  Antirrhinum coulterianum Jason L. Hlebakos 2005-5-30 825 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCSB13305  Antirrhinum coulterianum Elliott, Millicent 1962-5-5 Riverside 6.6 miles south of junction of 8th Street (Banning) with U.S. Highway 70-90; San Jacinto Mountains 1158 Comment
  UC1929734  Antirrhinum kelloggii Scott D. White, Justin Wood 2008-4-3 11788 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  UCR280616  Antirrhinum kelloggii Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 034 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  SEINET7048204  Antirrhinum kelloggii Steven R. Hill, Andrew C. Sanders 2001-5-4 33716 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  SEINET6057800  Antirrhinum nuttallianum Parish, Greata 4746 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR154379  Antirrhinum nuttallianum A. C. Sanders, Mike Misenhelter 2005-6-15 30957 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
  POM354916  Antirrhinum nuttallianum subsp. nuttallianum H. Twining 1890-04 14769 Riverside Foothills [Riverside] Comment
Read comments
Oct 27 2011
  RSA444466  Antirrhinum nuttallianum subsp. nuttallianum L. Roos 1966-4-29 s.n. Riverside Hills between March Air Force Base and Lakeview; rocky crevices Comment
  RSA561069  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-12 7344 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
  UCR174064  Apiastrum angustifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32517 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  RSA263646  Apium graveolens E. W. Lathrop 1966-5-8 6511 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA403081  Apocynum androsaemifolium M. B. Dunkle 1933-7-21 3730 Riverside Idyllwild 1616 Comment
  POM250403  Arctostaphylos glandulosa subsp. adamsii I. W. Clokey, E. G. Anderson 1935-4-16 6788 Riverside Hemet. 900 Comment
  UC1120175  Arctostaphylos glandulosa subsp. glandulosa A. Lewis 1934-3-4 307 Riverside Tin Mine Canyon Cleveland N.F., Corona Quadrangle Comment
  POM367315  Arctostaphylos glauca N. C. Cooper 1943-9-11 899 Riverside San Jacinto Mtns. Eastern slope at roadside 1220 Comment
  RSA631811  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21803 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA631831  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15529 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  POM307249  Arctostaphylos parryana subsp. desertica Henry J. Ramsey, Henry J. Ramsey 1937-5-22 2240 Riverside Santa Rosa Mountains Comment
  RSA633642  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21763 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633647  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20113 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633661  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16668 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633695  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21762 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633764  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21772 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA635595  Arctostaphylos peninsularis Jon E. Keeley 1992-7-17 16741 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  UCR3712  Arctostaphylos pringlei subsp. drupacea Frank C. Vasek 1964-7-26 640726- 03 Riverside Peninsular Range; San Jacinto Mtns., at Pine Cove Comment
  RSA635775  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16586 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  SBBG34995  Arctostaphylos pungens T. L. Secrest 1951-5-19 Riverside Idyllwild to Hemet Lake Comment
  UCR92376  Arctostaphylos pungens F. M. Reed 1928-7-10 6016 Riverside San Jacinto Mtns, Hillsides about Strawberry Valley, Idyllwild 1677 Comment
  UCSB4764  Arctostaphylos pungens Kamb, Peter 1949-4-30 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA635993  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21611 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636002  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19549 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636007  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19554 Riverside Carancho Rd., W. of Temecula. 440 Comment
  SD180716  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 397 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  UCR139243  Arenaria douglasii A. C. Sanders, Kate Kramer 2003-6-11 26882 Riverside San Jacinto Mtns., Garner Valley, southwest side of the valley, foot of Thomas Mtn., west of Hwy 74 on south side of Ramona Truck Trail 1402 Comment
  CAS-BOT-BC207125  Argythamnia lanceolata Theodore Labouchere 1915-4-1 204 Riverside Borders of the Colorado Desert along the easterly base of San Jacinto Mountain, not far from Palm Springs. Comment
  CAS-BOT-BC137655  Aristida adscensionis E. A. McGregor 1917-3-18 791 Riverside 5 miles up Painted Canon [Canyon]. Comment
  JOTR38687  Aristida adscensionis Hodges, Stephen R. 2017-2-7 703 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  RSA704195  Aristida adscensionis Gary D. Wallace 1982-5-15 1996 Riverside Palms to Pines Highway, 7 level hill. Comment
  RSA784780  Aristida adscensionis Duncan S. Bell 2012-3-18 3184 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR52011  Aristida adscensionis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2130 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCD56534  Aristida purpurea var. fendleriana A. A. Beetle 1946-6-10 4405 Riverside Near Palm Springs. 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
  JOTR30088  Aristida purpurea var. purpurea La Doux, Tasha, Alice Miller 2007-5-8 1732 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., frequent in road shoulder. 1385 Comment
  SEINET10525969  Aristida purpurea var. purpurea David Griffiths 1905-7-20 Griffiths 8007 Riverside One mile east of town. Banning. Comment
  UCD56524  Aristida purpurea var. wrightii A. A. Beetle 1942-4-22 3184 Riverside Rt. 60 near Desert Center. Comment
  CLARK-A1528-4993  Artemisia californica John C. Roos 1948-4-24 3806 Riverside Whitewater Comment
  RSA295237  Artemisia californica N. R. Zabriskie, W. M. Zabriskie 1972-12-25 548 Riverside On Trail to ridge above Eagle Peak, Andreas Canyon watershed, east slope San Jacinto Mts. 915 Comment
  UCR59135  Artemisia californica N. M. Fellows 1986-1-18 165 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mt 506 Comment
  POM230231  Artemisia douglasiana I. W. Clokey, E. G. Anderson 1933-8-21 6984 Riverside West of Keen Camp 1360 Comment
  SEINET3145759  Artemisia dracunculoides G. F. Reinhardt sn Riverside San Jacinto Valley Comment
  UCR21345  Artemisia ludoviciana subsp. incompta Frank C. Vasek 1966-9-5 660905- 06 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  SD144068  Artemisia tridentata Scott D. White 1992-12-16 981 Riverside Vail Lake area: about 9 air miles E of Aguanga (jtn Hwys 371 and 79) and 3 air miles N of Beauty Mtn Pk. 1370 Comment
  SEINET5539637  Artemisia tridentata var. angustifolia H. S. Gentry 1954-1 14251 Riverside Dripping Springs, along Route 79. Comment
  RSA0112098  Asclepias erosa Duncan S. Bell 2009-8-15 429 Riverside Northeast side of the Arica Mountains, where the railroad tracks cross Midland Road. 251 Comment
  UCR37250  Asclepias fascicularis R. A. Fawcett 1937-8-1 s.n. Riverside Peninsular Range, Cajalco to Perris road Comment
  RSA5171  Asclepias subulata C. B. Wolf 1932-4-26 2982 Riverside Colorado Desert, 8 miles East of Mecca on Blythe road. 91 Comment
  SEINET10779851  Asclepias subulata George Engelmann 1880-11-11 Engelmann s.n. 1880 Riverside Mountainside near White Water, San Gorgonio Pass 792 Comment
  UCR163086  Asclepias subulata B. G. Pitzer 2000-5-7 4147 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
  RSA639701  Aster subulatus var. ligulatus Scott D. White 1998-12-2 7198 Riverside Temescal Canyon - Lake Elsinore area. 365 Comment
  CAS-BOT-BC477877  Asteraceae J. H. Thomas 1949-2-28 60 Riverside Southern part of Palm Springs. Comment
  CAS-BOT-BC478064  Asteraceae A. J. McC 1892-5-1 s.n. Riverside Lake Elsinore Comment
  CAS-BOT-BC177294  Astragalus acutirostris Peter H. Raven 1958-5-5 12897 A Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  UCR214703  Astragalus aridus A. C. Sanders 2010-3-23 37539 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  CAS-BOT-BC177722  Astragalus crotalariae Annie M. Alexander; Louise Kellogg 1941-3-2 1881 Riverside Roadside 5 miles south of Valerie Comment
  UCD84939  Astragalus didymocarpus var. dispermus Chuck Hughes 2010-3-23 211 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  PASA2725  Astragalus douglasii Margaret Stason 1931-5-24 Riverside Pine woods, Idyllwild Comment
  SBBG93268  Astragalus douglasii D. G. Nelson 1936-5-21 380 Riverside slopes just N of meadow in valley just E of Hurkey Crk Camp area, E of Lake Hemet and N of Mt Thomas Comment
  POM274197  Astragalus douglasii var. parishii J. C. Roos 1946-9-27 2788 Riverside Santa Rosa Mtns. 2226 Comment
  RSA641093  Astragalus douglasii var. parishii Orlando Mistretta, Mark Elvin 1995-6-19 1771 Riverside San Jacinto Mountains: Near 33 54 152 N 116 51 800 W. [?] 853 Comment
  UC488913  Astragalus douglasii var. parishii C. V. Meyer June 1927 205 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1706 Comment
  POM306063  Astragalus filipes Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1323 Riverside Palms to Pines Highway. Comment
  CHSC108878  Astragalus gambelianus Duncan S. Bell; Joy England 2010-5-17 1007 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. In an open sunny flat. 1045 Comment
  UCR228909  Astragalus gambelianus A. C. Sanders 2011-4-7 39034 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR49236  Astragalus gambelianus Steve Boyd 1986-4-2 1620 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA779015  Astragalus insularis var. harwoodii Duncan S. Bell 2010-4-1 649 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  CAS-BOT-BC187118  Astragalus lentiginosus var. borreganus L. R. Abrams 1926-3-26 11118 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  SBBG3166  Astragalus lentiginosus var. borreganus H. and M. Dearing 1937-4-10 861 Riverside 16 mi N of Indio Comment
  JOTR34152  Astragalus lentiginosus var. coachellae Andre, Jim, G. L. Clifton and T. La Doux 2011-2-22 17466 Riverside OUTSIDE PARK BOUNDARY. Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N. Indian Cyn Drive 185 Comment
  LA204982  Astragalus lentiginosus var. coachellae Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  RSA792601  Astragalus lentiginosus var. coachellae Naomi Fraga, Michael Wall 2010-4-29 3334 Riverside Snow Creek [Gorgonio River], near Gorgonio Pass just south of I-10 and Hwy 111. 357 Comment
  SEINET7844100  Astragalus lentiginosus var. coachellae Duncan S. Bell, Amber Swanson Riverside Comment
  JOTR33872  Astragalus lentiginosus var. variabilis La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3048 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  CAS-BOT-BC178071  Astragalus nuttallianus J. C. Roos 1958-3-15 s.n. Riverside 3 miles S.E. of Desert Center, in the Chuckwalla Mtns. Comment
  POM305801  Astragalus pomonensis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1058 Riverside Elsinore. Comment
  RSA500574  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3572 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  CLARK-A1528-1152  Astragalus tricarinatus John C. Roos 1973-3-31 Riverside Whitewater 457 Comment
  UCR207358  Athysanus pusillus O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  RSA695436  Atrichoseris platyphylla Scott D. White, Michael Honer 2003-5-14 9290 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA650426  Atriplex C. J. Humphrey, Herbert Humphrey 1935-6-7 394 Riverside 18 miles east of Riverside. 549 Comment
  CLARK-A1528-394  Atriplex canescens John C. Roos 1951-10-19 5326 Riverside San Jacinto Valley 457 Comment
  SBBG133572  Atriplex canescens S. D. White, A. Carey, L. Archa 2004-8-5 10685 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  SEINET238486  Atriplex canescens A. C. Sanders, Mitch Provance 2000-9-27 23673 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux NW of intersection of Tequesquite Ave. and Gregory Rd. near confluenc 232 Comment
  SEINET998491  Atriplex canescens A. C. Sanders 2005-1 29128 Riverside Sonoran (Colorado) Desert: SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. (East of Victory Pass 7.5' Q) 168 Comment
  UC110326  Atriplex canescens T. S. Brandegee Nov 1891 Riverside Salton Comment
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Sep 11 2011
  UC1303124  Atriplex canescens Carl B. Wolf 1932-10-13 4316 Riverside 4 1/2 mi se Mecca (Caleb (Southern Pacific railway siding), Colorado Desert); Colorado Desert, Caleb, se of Mecca 60 Comment
  UCR169926  Atriplex canescens A. C. Sanders, J. Andre , P. J. MacKay, Tim Thomas & CNPS Fld Trip 2005-2-26 29128 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR228198  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  RSA478264  Atriplex hymenelytra E. C. Jaeger 1929-3-29 753 Riverside Painted canyon, near Mecca. 91 Comment
  RSA708483  Atriplex hymenelytra Scott D. White, Brian Leatherman 2005-5-4 11016 Riverside Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. 24 Comment
  UCR167368  Atriplex hymenelytra 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
  SEINET4136681  Atriplex lentiformis S. Langer 1994-4-6 s.n. Riverside Junction of Mecca and Hwy. 195.; 0 58 Comment
  UC415724  Atriplex lindleyi unknown 1900-7-16 Riverside Temecula Comment
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Aug 8 2010
  UC1076221  Atriplex polycarpa Margaret Stason 1927-2-12 Riverside Thousand Palms Colorado Desert, Thousand Palms Comment
  SD142848  Atriplex serenana var. serenana Craig Reiser 1996-5-9 6 Riverside Winchester: adjacent to Haddock Road in swale, Winchester Park play area situated yards away (mak 10/07) Comment
  UCR49993  Atriplex suberecta S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  UCR281872  Atriplex triangularis Mitch Provance 2012-11-9 1112- 19 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  RSA614180  Avena barbata D. L. Banks 1997-2-17 1279 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
  UCR2184  Avena barbata H. S. Fawcett 1914-5-15 1334 Riverside Riverside, Citrus Experiment Station Comment
  RSA0042643  Avena barbata Diane M. Ramirez 1983-5-15 27 Riverside Poppet Flat Divide Truck Trail, 3 mi S of junction with CA Hwy 243, S of Banning. Angelus Hill. 1253 Comment
  IRVC5358  Avena fatua Gidon Ladizinsky 1971-5-19 s.n. Riverside University of California, Riverside Comment
  RSA0124821  Ayenia compacta Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8759 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Martinez Slide to the north of Toro Canyon, approximately 4.75 air miles northeast of the summit of Martinez Mountain. 152 Comment
  JOTR33815  Baccharis brachyphylla La Doux, Tasha, B. Truesdell 2007-11-9 3330 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along park south boundary (STOP 6) 655 Comment
  SD129583  Baccharis brachyphylla A. C. Sanders 1989-9-19 9503 Riverside Chocolate Mountains aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target (UTM:11S,PH-35E,07N) 680 Comment
  CLARK-A1528-1624  Baccharis emoryi John C. Roos 1965-10-7 Riverside Fairmont Park Comment
  RSA605786  Baccharis emoryi Scott D. White 1996-2-18 3804 Riverside Perris Basin: Double Butte, NW of Winchester, SE-facing slope of W butte. 30 Comment
  CAS-BOT-BC106746  Baccharis salicifolia S. B. Parish; W. F. Parish 1880-11-1 726 Riverside Bannings Comment
  UCR138718  Baccharis salicifolia Julie A. Greene 1993-4-17 1221 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UC893661  Baccharis salicifolia subsp. salicifolia Carl B. Wolf 1932-10-11 4273 Riverside 3/10 mi below San Bernardino County Line (Morongo Wash, Little San Bernardino Mts., Colorado Desert); Colorado Desert, Little San Bernardino Mts., Morongo Wash 670 Comment
  CAS-BOT-BC99865  Baccharis sergiloides A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke; et al. 1996-11-23 19660 Riverside San Bernardino Mtns.: Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish 534 Comment
  RSA602486  Bahia absinthifolia D. Koutnik 1996-7-19 s.n. Riverside Univ. of CA, Riverside, UCR Botanical Garden. 854 Comment
  SEINET3104137  Bahiopsis parishii Sears 1977-10-12 S-- 559 Riverside Corn Springs Road in Corn Springs wash 3 miles from Corn Springs and 5 miles from the highway. 439 Comment
  RSA0030697  Baileya pauciradiata J. Andre 2013-3-27 24796 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA719045  Baileya pauciradiata Michael Honer 2005-3-11 2055 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  SBBG65724  Baileya pauciradiata L. Rowntree 1930-5-8 Riverside cyn S of Deep Cyn Comment
  JOTR32453  Baileya pleniradiata Herskovits, Tasya, K. Kain 2011-9-28 3 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  POM350775  Bebbia juncea Ora M. Clark 1929-3-16 1717 Riverside N. of Whitewater Comment
  RSA519228  Bebbia juncea Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  RSA795919  Bebbia juncea Duncan S. Bell 2009-4-19 291 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SBBG60781  Bebbia juncea S. W. Hutchinson, M. N. Ackley -Feb-1926 231 Riverside Painted Cyn, near Mecca 12 Comment
  JEPS49062  Bebbia juncea var. aspera Lewis S. Rose 1966-12-14 66111 Riverside 3 mi w Palm Springs; Chino Canyon 670 Comment
  UC1334660  Bebbia juncea var. aspera Nancy Ryan Zabriskie 1968-10-11 167 Riverside near Palm Springs (Andreas Canyon); Andreas Canyon Comment
  SEINET3862255  Beloperone californica Lewis S. Rose 1955-3-14 55021 Riverside Palm Springs.; 0 137 Comment
  RSA0040033  Beloperone californica W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  UCR18763  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 488 Comment
  CAS-BOT-BC75737  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3997 Riverside Vail Lake area, lower slopes of Agua Tibia mountain, along Highway 79, east of USFW Dripping Springs Guard Station. 609 Comment
  UCR67367  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3908 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  POM14866  Bergia texana H. Baer 1922-11-12 s.n. Riverside San Jacinto River Bed, Near Elsinore Comment
  CAS-BOT-BC207046  Bernardia incana Lester Rowntree 1937-11-5 s.n. Riverside Dos Palmas, Santa Rosa Mts. Comment
  UCR126380  Blennosperma nanum var. nanum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 689 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CSUSB940  Bloomeria crocea R. Thomasson 1973-5-24 Riverside Box Springs Mountains Box Springs Mountains. Big "C" turnoff, 0.6 miles from Box Springs Mountain Road. 777 Comment
  JEPS5208  Bloomeria crocea W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1334 Riverside Van Deventer's Ranch Comment
  UCR194861  Bloomeria crocea Mitch Provance, Michael L. Fugate 2005-4-14 10050 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  SD137978  Bloomeria crocea var. crocea Darin L. Banks, Steve Boyd 1995-5-9 382 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground.mIn mesic chaparral. 701 Comment
  RSA0128524  Boechera californica Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  CAS-BOT-BC14158  Boechera perennans K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines highway near road to Shumway. Comment
  CAS-BOT-BC25668  Boechera pulchra Elizabeth H. Daniels 1932-3-8 s.n. Riverside Little San Bernardino Mountains. Mission Canyon, just south of Morongo Valley. Comment
  CLARK-A1528-5700  Boerhavia coccinea John C. Roos 1945-5-15 3858 Riverside Eagle Mountains Comment
  UCR19108  Boerhavia coccinea John C. Roos 1948-5-15 3858 Riverside Sonoran (Colorado) Desert, S foot of the Eagle Mtns, mouth of Lost Palms Wash 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
  SEINET6049526  Boerhavia coulteri Unknown 17074 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR89713  Boerhavia coulteri J. M. Stewart 1990-9-23 655 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  SD129259  Boerhavia intermedia A. C. Saunders 1989-9-19 9511 Riverside Chocolate Mountains arial gunnery range 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabatesca Target 640 Comment
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Sep 24 2017
  CLARK-A1528-3270  Boerhavia torreyana John C. Roos 1965-9-26 Riverside Santa Rosa Mountains 701 Comment
  UCR215450  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 336 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  RSA0087827  Boerhavia triquetra var. intermedia Sarah J. De Groot, Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  OBI29475  Boerhavia wrightii David J. Keil, Melissa Luckow 1979-8-31 13148 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  POM246588  Boerhavia wrightii E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  VVC2114  Boerhavia wrightii Tim Thomas 2012-8-23 5869 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  POM12938  Boisduvalia glabella P. A. Munz, I. M. Johnston 1922-5-21 5542 Riverside Mystic Lake near Moreno 457 Comment
  CAS-BOT-BC31024  Bolboschoenus maritimus Howard Walton Clark 1926-6-1 s.n. Riverside Indio. Comment
  SBBG14337  Bouteloua aristidoides E. R. Blakley 1961-9-12 4714 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  JOTR34107  Bouteloua aristidoides var. aristidoides La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2669 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
  RSA0027477  Bouteloua aristidoides var. aristidoides Deidre Conocchioli, April Garbat 2013-9-5 39 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  SBBG14669  Bouteloua barbata E. R. Blakley 1961-9-12 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  CLARK-A1528-137  Bowlesia incana Richard L. Irwin 1963-5-11 O 108 Riverside Riverside 335 Comment
  RSA561097  Bowlesia incana Steve Boyd, D. Bramlet, Timothy S. Ross 1993-5-12 7336 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
  UCR159770  Bowlesia incana Scott D. White 1999-5-2 7281 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., c. 1.5 - 2 mi west of I-215 freeway 442 Comment
  UCR49219  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA586770  Boykinia rotundifolia D. L. Banks, Steve Boyd 1995-5-17 0468 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 in north-central, section 33. 731 Comment
  JOTR32111  Brandegea bigelovii Harding, Mitzi, Kipp Callahan 2012-8-27 286 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA0042378  Brandegea bigelovii Duncan S. Bell, LeRoy Gross 2014-3-13 6239 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA796749  Brandegea bigelovii J. Andre 2012-4-11 20840 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UCR104965  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2730 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  UCR138915  Brassica geniculata Julie A. Greene 1993-4-3 1079 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of levee road, south of the permanent pond 441 Comment
  UCR263501  Brassica tournefortii David Fraker, Aaron C. Sedgwick 2012-3-22 09 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  CLARK-A1528-174  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Badlands 609 Comment
  SBBG94645  Brickellia californica S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Stn; T8S, R 1W, S22, W/2 487 Comment
  RSA69831  Brickellia desertorum J. C. Roos 1951-10-19 5328 Riverside Gilman Hot Springs 459 Comment
  UCR68502  Brodiaea santarosae R. Montijo 1991-7-10 91- 17 Riverside Peninsular Ranges/San Jacinto Mtns, Santa Rosa Plateau: Avenida Escalera, north of Tenaja Road and c. 1 mi NE of Squaw Mountain 610 Comment
  CAS-BOT-BC149306  Bromus carinatus var. carinatus H. M. Hall 1901-6-1 2226 Riverside San Jacinto Mountains. Along water courses in the vicinity of Strawberry Valley. 1615 Comment
  POM122849  Bromus diandrus Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA715939  Bromus diandrus Scott D. White, Angelia Carey 2004-4-5 10027 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  POM10523  Bromus diandrus C. F. Baker 1909-05 s.n. Riverside Riverside. Comment
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Jul 27 2008
  UCR96413  Bromus grandis Scott D. White 1996-8-1 4442 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  RSA599114  Bromus hordeaceus V. W. Steinmann, D. L. Banks 1996-4-20 836 Riverside Agua Tibia Mountains, ca. 15 km east of Temecula, less than 1 km south of Route 79 at the Dorland Mountain Arts Colony, just southwest of the administration building., ca. 33?28'N, 117?01'W 500 Comment
  RSA701366  Bromus hordeaceus Steve Boyd, Aydee Virgen 2004-4-13 10862 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  NY1088730  Bromus madritensis subsp. rubens D. K. Christopher 2003-4-4 93 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  CSUSB434  Bromus rubens Leland E. Francois 1966-3-8 3866 2 Riverside City of Riverside. Southwest corner of U.S. Salinity Laboratory. Property on corner of 14th Street and Palm Ave. 289 Comment
  RSA554288  Bromus rubens Scott D. White 1992-2-25 92 -3 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  SEINET3222959 Image available Bromus rubens Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi W of Temecula, with Ave. del Oro as the N boundary. 380 Comment
  UCR165391  Bromus rubens A. C. Sanders 2005-4-21 29571 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR174303  Bromus rubens A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32655 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  POM363956  Bromus rubens N. C. Cooper 1944-3-24 1013 Riverside Banning. 701 Comment
  UCR2252  Bromus tectorum F. M. Reed 1933-5-31 7923 Riverside Santa Rosa Mtns., Santa Rosa Indian Reservation, near the bridge on the Palms to Pines Road [Vandeventer Flats] 823 Comment
  UCR241785  Bromus tectorum A. C. Sanders, Timothy W. Chumley 2013-4-1 40722 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR85641  Bromus tectorum A. C. Sanders 1993-4-5 13689 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCR2253  Bromus tectorum var. nudus F. M. Reed 1920-6-14 4443 Riverside San Jacinto Mountains, Open places in Strawberry Valley 1646 Comment
  UC1043018  Bromus trinii John and Lucille Roos 1952-5-24 5711 Riverside hills n of Moreno 518 Comment
  RSA405296  Caesalpinia virgata Robert Gustafson 1980-4-3 1530 Riverside Orocopia Mountains, about 4 miles east of Mecca on Box Canyon road. 213 Comment
  UC82887  Calandrinia ambigua C. R. Orcutt 1891-4-24 Riverside Indio Comment
  POM280839  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Corona, south of fields-hillsides. Comment
  SD7939  Calandrinia ciliata Daniel Cleveland 1882-4-24 Riverside Copelands, San Jacinto Plains Comment
  UCD100225  Calandrinia ciliata Geoffrey Levin 1975-4-26 494 Riverside Mahew Canyon, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCR249821  Calandrinia ciliata T. B. Salvato, John Lovio 2013-3-19 7359 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  SBBG120003  Calandrinia menziesii A. C. Sanders, K. Volansky 2005-3-17 29238 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  JEPS61706  Calochortus palmeri W. L. Jepson 1901-5-27 1462 Riverside Van Deventer's Ranch San Jacinto Range Comment
  RSA501004  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3122 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
  SD140233  Calochortus splendens Scott White 1993-4-22 1221 Riverside North Averill Ranch, in hills north of Walker Canyon. 487 Comment
  UCR1591  Calochortus splendens R. L. Needham 1962-5-20 10089 Riverside San Jacinto Mtns., Banning-Idyllwild Hwy [243], c. 5 mi from Banning 915 Comment
  RSA92741  Calochortus splendens J. C. Roos, L. Roos 1952-5-19 5688 Riverside Between Moreno and Redlands in branch of San Timateo Canyon. 488 Comment
  SEINET10834209  Calochortus splendens David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20765 Riverside Coll. At the jct. Of hwy. 74 & 71. A gas station on the sw corner. Area Generally chaparal with shaggy adenostema Comment
  UCR128310  Calochortus weedii var. intermedius Scott D. White, Michael Honer 2003-6-17 9548 Riverside S Perris Basin, Murrieta. Interstate 215 / Clinton Keith interchange 457 Comment
  RSA0078688  Calycoseris parryi Jim M. Andre 2015-3-2 31352 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  SBBG101736  Calycoseris parryi S. Boyd with D. Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 609 Comment
  UC851929  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavilan Mesa 600 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
  UCR1647  Calystegia macrostegia subsp. tenuifolia William R. Bowen 1962-4-15 030 Riverside Cajalco Canyon near Lake Mathews 427 Comment
  CAS-BOT-BC199286  Calystegia sepium subsp. limnophila Mitch Provance; S. D. Boyd 1999-9-14 1780 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  CAS-BOT-BC218903  Camissonia Elizabeth McClintock 1958-4-5 s.n. Riverside Painted Canyon, Colorado Desert, along wash Comment
  UCR127535  Camissonia A. C. Sanders, D. Malueg 2003-5-8 26577 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  RSA186653  Camissonia bistorta Peter H. Raven 1959-4-23 14023 Riverside 5.1 miles west of Dripping Springs. Comment
  RSA596790  Camissonia bistorta D. L. Banks, K. D. Hedge 1996-5-16 1044 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  SEINET3093095 Image available Camissonia boothii R. G. Engard, T. Caldwell 1978-4-6 S.N. Riverside 10 miles west of Blythe Comment
  UCR148311  Camissonia brevipes 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
  RSA548744  Camissonia brevipes subsp. brevipes W. L. Halvorson 1977-2-5 77 -7 Riverside Joshua Tree National Monument. Desert bajada near the junction of Interstate 10 and road to the Monument. Comment
  UCR228173  Camissonia brevipes subsp. brevipes Dave Silverman, Mark Bibbo 2010-3-31 7893 Riverside Sonoran (Colorado) Desert, southern McCoy Mountains, east bajada flank, 1.6 km W of Black Creek Rd, 7.0 km NE of McCoy Peak, and 6.8 km north of I-10 178 Comment
  UCR199623  Camissonia californica Scott D. White, Angelia Carey 2004-7-2 10562 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SBBG24967  Camissonia campestris subsp. campestris D. Myrick 1966-4-2 1345 Riverside Palms to Pines Hwy 74, ca. 5 mi W of Palm Desert Comment
  RSA454731  Camissonia cardiophylla Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  UCR168277  Camissonia cardiophylla M. B. Dunkle 1933-3-4 3048 Riverside Sonoran (Colorado) Desert, Painted Canyon 91 Comment
  RSA135293  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11485 Riverside Salton Sea State Park, east side of Salton Sea. Comment
  RSA448924  Camissonia claviformis subsp. aurantiaca Ora M. Clark 1929-2-23 1559 Riverside E. Whitewater. Comment
  RSA449211  Camissonia claviformis subsp. aurantiaca P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  UCR23207  Camissonia confusa J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto 1524 Comment
  UCR98304  Camissonia hirtella Scott D. White 1993-5-29 1457 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UCR90416  Camissonia intermedia D. L. Banks, Steve Boyd 1995-4-5 0137 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail. 610 Comment
  UCR118245  Camissonia micrantha Mitch Provance, J. Ross 1999-4-1 1736 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  HSC87252  Camissonia refracta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2160 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  SEINET269548  Camissonia refracta John Wear 1995-3-22 Riverside Colorado Desert:chuckwalla Bench upper Salt Creek wash west of Eagle Mountain Railroad 488 Comment
  SEINET10492424  Camissonia refracta David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3707 Riverside Found growing in a wash. Indio hills, colorado desert. Near fushawalla. Comment
  CLARK-A1528-3361  Camissonia strigulosa John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  POM204502  Camissonia strigulosa Hibbard 1934-11-1 s.n. Riverside San Jacinto Mts. Comment
  UCR265601  Camissoniopsis Jordan Zylstra 2014-3-18 14001 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UC50342  Camissoniopsis bistorta H. M. Hall Apr. 1903 3843 Riverside near Midlands Comment
  UC50343  Camissoniopsis bistorta H. M. Hall April 1903 3788 Riverside vicinity of Riverside 396 Comment
  UC56468  Camissoniopsis bistorta H. M. Hall April, 1902 2918 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR21202  Capsella bursa-pastoris A. C. Sanders 1980-5-1 1377 Riverside San Jacinto Mountains, Garner Valley, off Morris Ranch Road, 2.2 mi north of Kenworthy Ranger Station 1616 Comment
  UCR128904  Cardamine A. C. Sanders 2001-4-4 23911 Riverside Riverside, UCR campus 348 Comment
  RSA228815  Cardamine californica var. integrifolia Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 601 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  CAS-BOT-BC20700  Carex fracta Mary F. Spencer 1919-6-19 s.n. Riverside San Jacinto Mountains. Idyllwild. 1615 Comment
  RSA88858  Carex praegracilis F. W. Peirson 1922-5-20 3062 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  CAS-BOT-BC117446  Carex senta Walter Burchard Welch 1928-5-5 s.n. Riverside Pine Cove Trail, Idyllmild. San Jacinto Mts. Comment
  RSA424898B  Carex senta N. M. Fellows, A. C. Sanders 1985-5-7 191 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village. 488 Comment
  UCSB37818  Carthamus tinctorius Oscar F. Clarke 1968-12-16 Riverside collected in University of California Riverside Greenhouse Comment
  JOTR32403  Castela emoryi Harding, Mitzi, A. Benton 2011-7-13 17 Riverside Joshua Tree National Park. West Coxcomb Mountains; north-facing slope of small rocky foothills just above large bouldery wash 424 Comment
  SDSU14031  Castilleja affinis subsp. affinis Dinna Estrella, M. G. Simpson 2002-4-20 19 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside station. 341 Comment
  UC454834  Castilleja applegatei subsp. martinii I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 2743 Comment
  UC488888  Castilleja applegatei subsp. martinii C. V. Meyer Jun 1927 167 Riverside Saunder's Meadow; San Jacinto Mts. 1737 Comment
  SBBG118603  Castilleja densiflora H. and M. Dearing 1939-4-5 3097 Riverside Hemet Valley Comment
  UCR97677  Castilleja exserta A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19903 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  JEPS10327  Castilleja exserta subsp. exserta I. W. Clokey 1930-4-9 4712 Riverside Moreno Grade 700 Comment
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Mar 20 2011
  UCSB45534  Castilleja exserta subsp. exserta Roos, John 1941-4-19 Riverside Reche Canyon - "Plateau" Comment
  CSUSB894  Castilleja foliolosa Steve Kulju 1974-5-9 Riverside Jack Rabbit Trail, one mile south of U.S. Highway 60. 487 Comment
  RSA400583  Castilleja foliolosa Robert Gustafson 1980-5-5 1560 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  RSA757618  Castilleja foliolosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4340 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR245981  Castilleja foliolosa Duncan S. Bell, Jennifer Pilapil, Terry Higgins 2011-6-2 2629 Riverside Transverse Range; San Bernardino Mtns., side canyon off of the West Fork of Mission Creek c. 0.5 air mile south of where the Pacific Crest Trail crosses the West Fork of Mission Creek 944 Comment
  SFV13137  Castilleja minor subsp. spiralis M. J. Thor 1982-9-16 126 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  UC57006  Castilleja minor subsp. spiralis F. Gilman 1902-1 35 Riverside Palm Springs Comment
  UCD170854  Casuarina cunninghamiana A. C. Sanders; T. B. Salvato 2000-4-21 23349 Riverside Coachella Valley: 3-4 miles north of I-10 on Dillon Road. 61 Comment
  SEINET3194789 Image available Casuarina equisetifolia G. Rink 2011-10-11 11080 Riverside Next to agricultural fields east of the McCoy Mountains, northwest of Blythe, used as a windbreak for lemon grove. 160 Comment
  CDA6525  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Perris-Aguanga Basin Region; Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. Comment
  SD227769  Catalpa bignonioides A. C. Sanders, K. C. Rose 1999-6-18 22800 Riverside Skinner/Domenigoni Area: French Valley, E Side of Washington Ave. 1/2 ile S of Rawson Rd. 438 Comment
  CLARK-A1528-2435  Caucalis microcarpa John C. Roos 1940-4-20 Riverside Reche Canyon Comment
  UCD166236  Caulanthus Jack Major 1962-4-16 774 -b Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  UC494745  Caulanthus cooperi C. L. Hitchcock 1932-4-9 12223 Riverside 10 mi se White Tank (eastern Riverside County); se of White Tank Comment
  RSA0119990  Caulanthus hallii Duncan S. Bell, Thomas Stoughton 2016-4-13 9262 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR162268  Caulanthus heterophyllus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  RSA0124738  Caulanthus lasiophyllus Duncan S. Bell, LeRoy Gross 2016-3-9 8847 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCR196368  Caulanthus lasiophyllus Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA543134  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6123 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  RSA0043378  Caulanthus major John F. Emmel 1996-6-16 1410 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  RSA0043328  Caulanthus simulans John F. Emmel 1991-5-22 1173 Riverside San Jacinto Mountains; side canyon of South Fork San Jacinto River, 1.3 air miles south of Halfway Spring (ca. 0.5 air mile southeast of Toll Road Canyon). 792 Comment
  SD229234  Ceanothus cordulatus Dick Schwenkmeyer 2012-6-27 748 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  LA41976  Ceanothus crassifolius W. Pequegnat; 1939-4-8 31 Riverside Santa Ana Mts Comment
  OBI20188  Ceanothus crassifolius David J. Keil, Malcolm McLeod 1979-3-18 12975 Riverside 1/2 m W of jctn with Riverside cnty rd R-3 along Calif 79 549 Comment
  RSA1503  Ceanothus crassifolius B. D. Stark 1929-2-21 1606 Riverside Hidden Canyon, Santa Ana Mts. Comment
  RSA398900  Ceanothus crassifolius H. M. Hall 1897-4-10 356 Riverside Winchester Comment
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Mar 12 2011
  SEINET3076042 Image available Ceanothus cuneatus A. C. Sanders, S. Hawkins 1996-4-24 18075 Riverside San Berdardino Mountains; Morongo Indian Reservation, along dirt road in Hathaway Canyon near Burro Flats. At the head of Hathaway Canyon, edge of Burro Flat. 1158 Comment
  RSA77146  Ceanothus greggii var. perplexans F. W. Peirson 1918-03 728 Riverside Jack Rabbit Grade, from Moreno to Beaumont Comment
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Mar 20 2011
  POM254861  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  POM305368  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1938-3-26 650 Riverside Temecula. Comment
  UCD162843  Ceanothus leucodermis D. O. Burge 2015-3-17 1693 Riverside Rainbow area. 410 Comment
  UCR16488  Ceanothus leucodermis P. A. Rauch 1966-4-5 s.n. Riverside San Jacinto Mtns., [Hwy 74] at hairpin turn [White Post Turn], roadside 1098 Comment
  UCR174977  Ceanothus leucodermis Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 351 Riverside Peninsular Ranges; San Jacinto Mtns., Parking lot and stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  UCR92190  Ceanothus oliganthus subsp. oliganthus D. L. Banks, Steve Boyd 1995-3-16 0099 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  RSA0022335  Ceanothus perplexans Jerry Wilk 1969-5-24 s.n. Riverside 15 mi So. of Banning on Palms to Pines Hwy. Comment
  SEINET13946039 Image available Ceanothus perplexans Carl B. Wolf 1932-1 3655 Riverside No. Base of San Jacinto Mts. Snow Creek Canyon. 1 mi above Fish Hatchery. 792 Comment
  UCR138817  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-2-17 1284 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  RSA398968  Ceanothus tomentosus var. olivaceus M. V. Hood 1945-3-28 s.n. Riverside Summit of grade between Hemet and Hwy. 71 just of Hwy. 79. Comment
  OBI4694  Cenchrus echinatus T. C. Fuller 1962-10-2 9695 Riverside SW corner of Hayes St and hwy 111 to Niland. 4 mi SE of Mecca Comment
  RSA74576  Centaurea repens J. C. Roos 1947-7-5 2908 Riverside Junction of San Timoteo and Live Oak Creeks. 457 Comment
  UCR80663  Centaurea repens G. R. Ballmer 1992-6-23 92- 9 Riverside San Timoteo Canyon, 3.2 mi SE of Redlands Blvd. Comment
  POM49813  Centaurium venustum H. M. Hall 1901-06 2106 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  UCR130713  Centaurium venustum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4079 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
  RSA650569  Centaurium venustum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 250 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
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Dec 15 2011
  SEINET7063562  Centrostegia thurberi 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
  RSA11596  Cercidium floridum C. Epling, Wm. Robison 1933-6-24 s.n Riverside Collected near Indio. Comment
  RSA210970  Cercocarpus betuloides C. W. Tilforth 1969-7-25 220 Riverside North end of Coyote Canyon, SE of Anza. Comment
  GMDRC2049  Cercocarpus betuloides var. betuloides J. Andre 2006-4-26 6783 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  UC219550  Cercocarpus betuloides var. betuloides P. A. Munz 1922-6-30 5925 Riverside Santa Rosa; Santa Rosa Mountains, Santa Rosa 1981 Comment
  POM13455  Chaenactis artemisiifolia Philip A. Munz 1922-5-19 5353 Riverside 5 miles NE of Murietta. 457 Comment
  RSA781202  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37805 Riverside Southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356deg.) of intersection of I-15 and Lake St. 549 Comment
  UC1922718  Chaenactis carphoclinia Naomi Fraga, Lisa Rojas 2005-2-10 1385 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. Comment
  JOTR31970  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2207 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  LA203117  Chaenactis carphoclinia var. carphoclinia A. M. Johnson; 1928-5-5 360 Riverside Painted Canyon Comment
  UCR3472  Chaenactis carphoclinia var. carphoclinia Sally Bell 1964-3-24 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, along Washington [Street], c. 3.5 mi. north of the 'Indio Freeway' (= Hwy I-10) 76 Comment
  CAS-BOT-BC276930  Chaenactis fremontii H. M. Hall 1902-4-1 2807 a Riverside Colorado Desert. Coyote Canyon 152 Comment
  RSA341992  Chaenactis fremontii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54054 Riverside Along Whitewater River, E of bridge and levee. Comment
  SBBG7876  Chaenactis fremontii C. H. Muller 1952-4-5 9496 Riverside White Water Cyn, ca. 1 mi above White Water Comment
  UC572543  Chaenactis fremontii H. S. Yates 1937-3-23 6395 Riverside 2 mi n of Palm Springs; San Jacinto 213 Comment
  UCR196173  Chaenactis fremontii R. F. Thorne, M. Z. Thorne 1973-3-30 42674 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  SD227733  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mountains: Morongo Indian Reservation, slopes among hills on the low pass between Millard Cyn. And Potero Cr 750 Comment
  UCR155057  Chaenactis glabriuscula Jason L. Hlebakos 2005-5-30 815 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR47217  Chaenactis glabriuscula B. G. Pitzer, L. F. LaPre 1987-3-2 0419 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  SEINET8734827 Image available Chaenactis glabriuscula Jean Coulson 1959-1 s.n. Riverside Box Spring Mts.; Pidgeon Pass Road, 0.6 mi. From fork to dump on E. side of road Comment
  RSA583749  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1995-4-24 8482 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  UC1563121  Chaenactis glabriuscula var. lanosa Steve Boyd, T. Ross, L. Arnseth 1989-4-2 3239 B Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek. 487 Comment
  JEPS30505  Chaenactis parishii Donald W. Kyhos 1958-5-16 58 -183 Riverside 1.85 mi up road toward Mount Santa Rosa; San Jacinto Mountains, Mount Santa Rosa Comment
  SD114994  Chaenactis parishii Fred T. Sproul Unknown 147 Riverside Santa Rosa Mountains Comment
  CAS-BOT-BC284347  Chaenactis stevioides H. M. Hall 1905-4-23 5874 Riverside Chuckawalla Bench, Colorado Desert Comment
  HSC101261  Chaenactis stevioides Jim Andre 2012-3-19 21353 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  UCD159797  Chaenactis stevioides Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  POM351832  Chaenactis stevioides var. stevioides T. H. Holmes 1932-3-18 s.n. Riverside White Water, Palm Springs. Comment
  UCR34885  Chaetopappa aurea L. B. Ziegler 1969-6-3 311 Riverside San Jacinto Mtns, Thomas Mtn. 1835 Comment
  RSA356649  Chamaesyce albomarginata R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47302 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA525447  Chamaesyce albomarginata Steve Boyd, Dave Bramlet 1990-4-29 4492 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA599302  Chamaesyce micromera L. C. Wheeler 1954-9-25 7097 Riverside South end of Mule Mountains, near Ripley. Comment
  RSA0031554  Chamaesyce ocellata subsp. arenicola Duncan S. Bell 2013-1-30 4444 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  RSA784953  Chamaesyce ocellata subsp. arenicola Duncan S. Bell 2012-2-12 3111 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  JEPS52381  Chamaesyce polycarpa Mary Beal 1939-10-25 708 Riverside Mojave Desert, Palm Springs area Comment
  RSA0021558  Chamaesyce polycarpa Duncan S. Bell, Aaron Sims 2012-3-10 2045 Riverside Orocopia Mountains; northeast section of range, approximately 4 air miles east of Chiriaco Summit. 497 Comment
  POM13901  Chamaesyce polycarpa var. hirtella P. A. Munz, D. D. Keck 1922-4-9 4774 Riverside Palm Springs. 76 Comment
  SEINET3869777  Cheilanthes clevelandii Steve Boyd, Laurel Arnseth; Timothy S. Ross 1990-3-30 3968 Riverside Vail Lake area, westerly draining cyn at N base of 'Big' Oak Mtn.; 0 640 Comment
  RSA125966  Cheilanthes covillei E. K. Balls, Percy C. Everett 1957-11-4 22752 Riverside Snow Creek, about Old Fish Hatchery, N base San Jacinto Mtns. 701 Comment
  CAS-BOT-BC70293  Cheilanthes newberryi S. B. Parish 1918-4-3 11707 Riverside Lakeside Mt. Comment
  RSA596148  Cheilanthes newberryi Darin L. Banks 1996-11-7 1196 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, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 Comment
  UCR151107  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  POM120575  Cheilanthes parryi Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  SEINET3870277  Cheilanthes parryi Louis C. Wheeler 1964-10-17 8638 Riverside Orocopia Mountains: South of Hayfield Reservoir (lake) Colorado Desert.; 0 Comment
  RSA0047238  Cheilanthes parryi Jack Rempel 1934-3-3 s.n. Riverside Berdoo Canyon, Little San Bernardino Mountains. 671 Comment
  UC811618  Cheilanthes viscida Ivan Johnston Riverside Palm Canyon; Colorado Desert 304 Comment
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Jul 4 2015
  POM9932  Cheilanthes viscida F. W. Peirson 1921-3-22 2371 Riverside Murray Canyon, south side in canyon 457 Comment
  RSA0076313  Chenopodium L. C. Wheeler 1945-10-6 6138 Riverside San Jacinto Mountains. Head of west fork of Snow Creek. 2377 Comment
  RSA191449  Chenopodium ambrosioides E. W. Lathrop, R. F. Thorne 1967-9-26 6664 Riverside 6 miles NW of Murrieta. 610 Comment
  RSA594121  Chenopodium californicum D. L. Banks, Victor Steinmann 1996-4-20 884 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony, approximately 100 m S from its junction with Hwy. 79., Area just north of Sec.19. 484 Comment
  UCR265463  Chenopodium fremontii Jordan Zylstra 2014-8-17 14020 Riverside San Jacinto Mountains, Fobes Canyon wash, adjacent to Fobes Ranch Road 1483 Comment
  GMDRC5050  Chenopodium murale J. Andre, G. L. Clifton 2011-2-22 17465 Riverside Mecca Hills: along Box Canyon Rd, 10.3 mi. NE of town of Mecca 219 Comment
  UCR113609  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23719 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  SD48393  Chilopsis linearis E. K. Balls, P. C. Everett 1957-8-20 22665 Riverside Morongo Canyon, 9.25 miles north along road to 29 Palms for junction with US Highway 60/70/99 669 Comment
  UCR274213  Chilopsis linearis Duncan S. Bell, Evan Meyer 2014-10-29 7690 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  JEPS21143  Chilopsis linearis subsp. arcuata H. M. Hall June, 1901 2112 Riverside e. base San Jacinto Mts. Colorado Desert, e. base San Jacinto Mts. Comment
  LA204147  Chilopsis linearis subsp. arcuata M. Zaitlin; 1951-5-26 sn Riverside Palm Springs Comment
  RSA0117829  Chilopsis linearis subsp. arcuata Sarah J. J. De Groot, Rachel Darney-Lane 2016-6-14 7904 Riverside Whitewater Canyon: along the Pacific Crest Trail ca. 0.4 air miles south of Red Dome, ca. 1.4 trail miles north-northwest of Whitewater Preserve. West of Whitewater River. 744 Comment
  SEINET269562  Chilopsis linearis subsp. arcuata Scott D. White 1996-5-27 4075 Riverside E. of Moreno Valley and S.of Calimesa between State Hwy. 60 and Gilman Spr. Rd. west and north of former gravel quarry 518 Comment
  SEINET10550623  Chilopsis linearis subsp. arcuata Rose 1935-12-22 Rose 35682 Riverside Colorado Desert, Palm Canyon Wash. 183 Comment
  CDA1888  Chloris truncata R. E. Riefner Jr. 2003-5-27 03 -254 Riverside Perris-Aguanga Region; Perris Valley, Rider Street near Perris Valley Storm Drain. Comment
  UCR126989  Chloris truncata A. C. Sanders, Guy Bruyea 2003-6-12 26893 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR274678  Chloris virgata Stephanie Rockwood, Christi Gabriel 2011-10-18 127 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  UCR114748  Chorizanthe A. C. Sanders, Pam MacKay, Tim Thomas & O. F. 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
  SEINET7063566  Chorizanthe brevicornu 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
  UCR167200  Chorizanthe brevicornu 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
  POM122108  Chorizanthe brevicornu var. brevicornu Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR48528  Chorizanthe coriacea Steve Boyd 1986-4-19 1697 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  JEPS57633  Chorizanthe corrugata W. L. Jepson 1927-4-14 11702 Riverside Silent Canyon or foothills Santa Rosa Mountains; foothills Santa Rosa Mountains or Silent Canyon 304 Comment
  UC68580  Chorizanthe corrugata H. M. Hall Apr 1905 5905 Riverside Chuckawalla Springs Colorado Desert, Chuckawalla Springs Comment
  UC70080  Chorizanthe corrugata E. E. Schellenger Apr. 1905 Riverside Santa Maria Mountains Colorado Desert, Santa Maria Mountains Comment
  UC450104  Chorizanthe leptotheca F. M. Reed 1905-6-9 778 Riverside Riverside and vicinity 365 Comment
  UCR35077  Chorizanthe leptotheca L. B. Ziegler 1967-6-19 162 Riverside San Jacinto Mtns., Bautista Creek Canyon 762 Comment
  UC1929714  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside SAN BERNARDINO MTNS.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. Comment
  UCR121201  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-10 2350 Riverside Lake Skinner area, Lake Skinner County Park, knoll 1,900 ft. (~ 0.35 mi.) east of 'Old' Warren Road and 1,000 ft (~0.2 mi.) north of East Benton Road. 521 Comment
  UCR139182  Chorizanthe parryi var. parryi Virginia Moran 2003-5-23 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 2' in area of transects established by CNLM 425 Comment
  RSA612925  Chorizanthe polygonoides var. longispina D. L. Banks 1997-3-29 1651 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
  UCR139187  Chorizanthe polygonoides var. longispina Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  RSA150980  Chorizanthe procumbens Clare B. Hardham 1962-4-6 8949 Riverside 395 Intersection, Rd to Rainbow near Temecula Canyon Comment
  GMDRC9380  Chorizanthe rigida J. M. Andre 2017-3-4 37190 Riverside Big Maria Mountains: along west side of US Hwy 95 30.5 mi. south of Vida Jct, at road to Blythe itaglios (ancient geoglyphs) 95 Comment
  JOTR35338  Chorizanthe rigida Harding, Mitzi, Mark Wheeler 2012-2-28 104 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; high saddle along wide ridge (Stop 3) 463 Comment
  RSA709909  Chorizanthe rigida Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4614 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR92497  Chorizanthe staticoides Michael A. Patten 1993-6-23 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau (northern), Los Alamos Canyon at western end of Avenida La Cresta 610 Comment
  CAS-BOT-BC248061  Chorizanthe xanti var. leucotheca Carl B. Wolf 1932-5-25 3677 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. below Fish Hatchery 396 Comment
  SEINET2049586 Image available Chrysanthemum carinatum Claudia Petrie 1988-4-1 Riverside State University, Grown in experimental fields at U.C. Riverside. Comment
  RSA601162  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside Strawberry Creek at Hwy 74 bridge. 884 Comment
  SBBG61607  Chrysolepis sempervirens M. Lewis 1947-8-26 14 Riverside E slope San Jacinto Mtns 274 Comment
  SD104517  Chrysolepis sempervirens Betty Mackintosh 1973-7-28 Riverside El Toro Peak, Santa Rosa Mountains 2654 Comment
  UC5446  Chrysolepis sempervirens H. M. Hall Jul 1901 2466 Riverside vicinity Tamarack Valley; San Jacinto Mountains 2438 Comment
  UCR9260  Chrysothamnus paniculatus O. F. Clarke 1969-11-10 s.n. Riverside Sonoran (Colorado) Desert, Near Whitewater on Hwy 111, 2 mi. SE of point where 111 merges into Hwy I-10 at Verbenia Ave. 351 Comment
  JEPS23478  Chylismia arenaria Marjorie D. Clary 1932-12-18 1715 Riverside Clemens Well Colorado Desert, Orocopia Mountains (at foot of mountains) 243 Comment
  SBBG27012  Chylismia brevipes K. K. Muller 1967-3-21 1385 Riverside mouth of small arroyo in Orocopia Mtns opposiye S entrance to Joshua Tree Nat Monument Comment
  JOTR35077  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3528 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  JOTR35318  Chylismia cardiophylla subsp. cardiophylla Harding, Mitzi, Mark Wheeler 2012-2-28 86 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  UCD103851  Chylismia claviformis John Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert. Salton Basin. Coachella Canal right-of-way, between siphons 22 and 23, S of Salt Creek. 23 Comment
  CAS-BOT-BC160613  Chylismia claviformis subsp. aurantiaca Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  JOTR34021  Chylismia claviformis subsp. aurantiaca La Doux, Tasha, M. Harding 2010-4-7 2908 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
  UCR244729  Chylismia claviformis subsp. aurantiaca Jim Andre 2012-3-19 21346 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  SEINET10799495  Cichorium intybus David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3636 Riverside Found 100 yards above Quad 6 in the wash. In fruit. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  UCR201499  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2008-6-17 12181 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  CAS-BOT-BC438854  Cistanthe monandra H. M. Hall 1904-5-16 4944 Riverside Vicinity of Riverside. Fairmount Park. 243 Comment
  RSA699819  Clarkia epilobioides Scott D. White, Michael Honer 2003-4-4 8928 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA503426  Clarkia purpurea subsp. quadrivulnera J. D. Olmsted 1962-5-10 3668 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  RSA692247  Clarkia purpurea subsp. quadrivulnera Scott D. White, Michael Honer 2003-5-27 9404 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
  SDSU13908  Clarkia purpurea subsp. quadrivulnera Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2133 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR16509  Claytonia parviflora subsp. utahensis Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns., Tahquitz Meadows [Camp Tahquitz Meadows, north of Hwy 74 at site of Keen Camp, east of Mtn. Center], about 25 yards northeast from place stream crosses under road 1372 Comment
  UCR102823  Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-26 20113 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  UCR138726  Claytonia perfoliata Julie A. Greene 1993-4-10 1128 Riverside San Jacinto Wildlife Area 476 Comment
  POM17833  Clematis lasiantha P. A. Munz, D. D. Keck 1923-6-14 7084 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  SEINET10536024  Clematis lasiantha James S. Miller 1992-5-8 Miller 7461 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UCR5925  Clematis lasiantha K. T. Seng 1966-4-13 660413- 9 Riverside Santa Ana Mtns, NE slope of Santa Ana Mountain, end of Main Street, 4 mi. from downtown Corona 457 Comment
  SD129277  Clematis ligusticifolia J. Hirshberg 1989-7-25 Riverside Butterfield country, SW of Vail Lake Comment
  SD136775  Clematis ligusticifolia Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7676 Riverside San Mateo Canyon Wilderness, Upper San Mateo Canyon, top of Tenaja Falls 671 Comment
  UCR195112  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  RSA747517  Clematis pauciflora Justin M. Wood 2009-3-10 343 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  SD137655  Clematis pauciflora Darin L. Banks, Steve Boyd 1995-3-16 93 Riverside Cleveland national forest, Agua tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 512 Comment
  RSA248043  Cleome isomeris R. F. Thorne, C. W. Tilforth 1973-5-30 43581 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  UCR34880  Cnicus benedictus L. B. Ziegler 1974-5-26 528 Riverside San Jacinto Valley, city of San Jacinto 473 Comment
  RSA0117457  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1107 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  SD143712  Collinsia concolor Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20667 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of Peak 3740 1067 Comment
  UCR20883  Collinsia concolor A. C. Sanders 1978-7-3 999 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA559444  Collinsia heterophylla Steve D. Boyd 1992-4-15 6868 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR241488  Collinsia parryi Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 249 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  JOTR36484  Colubrina californica La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3424 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  UCSB37346  Colubrina californica Jones, C. 1979-3-27 Riverside southeast facing canyon about 300 yards from unnamed dirt road approximately 5 miles north of I-10, 4 miles west of Desert Center 426 Comment
  HSC85248  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR207186  Conium maculatum O. F. Clarke 2003-6-24 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR274069  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 1327 Comment
  UCR158854  Convolvulus arvensis Scott D. White 1994-6-23 2093 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UC1605397  Conyza canadensis Steve Boyd and Darin Banks 1994-9-29 8366 Riverside floodplain e dike along San Jacinto River (w of Sedco Hills community); Lake Elsinore 381 Comment
  SEINET4676266  Cordylanthus filifolius Steve Boyd, Tim Ross 1992-6-10 7644 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 of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. Southeast side of potrero.; 0 671 Comment
  RSA0010992  Cordylanthus rigidus subsp. setiger A. C. Sanders, E. J. Lawlor 1988-10-22 8728 Riverside Pinyon Flats area, Santa Rosa Mountains, along the trail from Dolomite Mine to Horsethief Creek. 1200 Comment
  RSA0011004  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1428 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1440 Comment
  POM6544  Coreopsis californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2388 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  CAS-BOT-BC287078  Coreopsis douglasii F. A. M. 1936-3-20 s.n. Riverside Morongo Valley Comment
  JOTR32315  Coryphantha alversonii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Pinto Basin road; Convergence of large sandy, open southeast flowing wash and Cottonwood Canyon; Small rocky ledges and outcrops bordering wash (Stop 1) Comment
  UCR117385  Cressa truxillensis A. C. Sanders, T. B. Salvato 2001-5-25 24381 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR182510  Cressa truxillensis Mitch Provance 2005-5-17 6586 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
  JEPS13814  Crossosoma bigelovii Marjorie Clary 1934-3-3 Riverside 18 mi w Indio (foothills of Santa Rosa Mts.); Carrizo Canyon 304 Comment
  POM153341  Crossosoma bigelovii Martha Hilend 1928-3-11 s.n. Riverside Morongo Pass, Colorado Desert region. Comment
  SBBG72294  Crossosoma bigelovii unknown 1895-1 Riverside Palm Springs Comment
  SD232668  Crossosoma bigelovii A. C. Sanders, K. Rose 1995-4-5 16349 Riverside San Bernardino Mtns. / Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 519 Comment
  LA204874  Croton californicus Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  RSA480572  Croton californicus N. C. Cooper 1943-10-9 953 Riverside Hemet. 304 Comment
Read comments
Apr 29 2011
  RSA480577  Croton californicus P. J. Remple 1942-3-3 s.n. Riverside Garnet Station. Comment
  SD27955  Croton californicus Carl B. Wolf 1932-4-26 2966 Riverside Colorado Desert; 3.0 miles east of Mecca on Blythe Road. Comment
  UCR89872  Croton californicus George K. Helmkamp 1994-3-8 41 13 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  POM14988  Croton californicus var. mohavensis Mary F. Spencer 1922-3-29 246 Riverside Mecca -49 Comment
  OBI23315  Cryptantha Robert F. Hoover 1969-4-11 11217 Riverside Mouth of Morongo Valley Cyn Comment
  SEINET7909563  Cryptantha D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  UCR260602  Cryptantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41543 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  JEPS67463  Cryptantha angustifolia W. L. Jepson 1927-4-12 11636 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  POM118685  Cryptantha angustifolia Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  POM368198  Cryptantha angustifolia D. A. Young 1969-3-28 342 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  RSA676098  Cryptantha angustifolia Scott D. White 2001-4-3 8272 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA719069  Cryptantha angustifolia Michael Honer 2005-3-18 2097 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  RSA796021  Cryptantha angustifolia Duncan S. Bell 2009-4-18 242 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  SBBG6241  Cryptantha angustifolia C. H. Muller 1952-4-6 9508 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  SD224872  Cryptantha angustifolia G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2652 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. Almost barren hills just beyond creosote bush scrub. 100 Comment
  UCR148331  Cryptantha angustifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR213399  Cryptantha barbigera A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37462 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
  JOTR29492  Cryptantha barbigera var. fergusoniae Andre, Jim, Tasha La Doux 2006-4-6 8148 Riverside Joshua Tree National Park. Approx. 50 m North of Keys View parking area 1552 Comment
  SDSU20613  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2008-3-8 1484 Riverside East of SR 62, southwest corner of Worsley and Painted Hills Road (aka Pierson Road). Lower Big Morongo Canyon, on roadside of Worsley Road. 384 Comment
  CAS-BOT-BC218860  Cryptantha costata Lewis S. Rose 1938-2-1 38013 A Riverside Palowalla (30 miles e.of Desert Center) 121 Comment
  JEPS116968  Cryptantha costata David Gowen 2008-3-25 823 Riverside Sand dunes about 3 miles south of Rice. Comment
  POM3853  Cryptantha costata H. M. Hall 1905-5-1 5974 Riverside Hodges Mountains Comment
  SDSU20923  Cryptantha costata J. M. Andre 2013-3-27 24795 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). NAD83 7.5' Quad: Rice 242 Comment
  RSA0079094  Cryptantha cycloptera J. Andre, T. La Doux 2010-2-28 12559 Riverside Lower Colorado River Valley; along Hwy 94 approx. 25 miles north of Blythe, on east side of Big Maria Mountains. 83 Comment
  SEINET7073448  Cryptantha decipiens A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  RSA796504  Cryptantha holoptera J. Andre 2012-3-19 21382 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  UC402785  Cryptantha intermedia Charlotte M. Wilder 1907-4-6 875 Riverside e end San Gorgonio Pass; Colorado Desert, Whitewater Comment
  UC78695  Cryptantha intermedia D. Cleveland 1882-4-22 Riverside Temecula Comment
  UCR167300  Cryptantha intermedia Scott D. White 2005-3-29 10831 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
  UCR20847  Cryptantha intermedia O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  GMDRC6540  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 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
  SDSU20037  Cryptantha intermedia var. intermedia Michael G. Simpson 2012-4-27 3686 Riverside Skunk Hollow Vernal Pool Preserve, slight slope ca. 300 feet south of southern end of vernal pool. 419 Comment
  JOTR29358  Cryptantha maritima La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1435 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  RSA499656  Cryptantha micrantha M. B. Dunkle 1933-4-1 3269 Riverside Dry Morongo, Riverside County Comment
  UC604897  Cryptantha micrantha Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9523 Riverside 16 mi from Cottonwood Springs; Pinto Basin Comment
  RSA395364  Cryptantha microstachys Steve Boyd 1986-4-22 1731 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA736039  Cryptantha microstachys Scott D. White, Justin Wood 2008-4-16 11883 Riverside Hills to the W of I-215 and S of Scott Rd. 488 Comment
  SEINET3084417 Image available Cryptantha microstachys Rose Gagnon 1968-5-14 680514 -4 Riverside Riverside. North bank of Santa Ana River east of Salt Lake City Bridge. Comment
  UCR213566  Cryptantha microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37813 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
  RSA164814  Cryptantha muricata Wesley O. Griesel 1958-7-5 s.n. Riverside Dark Canyon. 1829 Comment
  RSA678951  Cryptantha muricata Scott D. White, Michael Honer 2003-6-3 9464 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC1178518  Cryptantha muricata Peter Kamb 1948-7-4 1180 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR178315  Cryptantha muricata T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 629 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR20918  Cryptantha muricata A. C. Sanders 1978-7-5 00205 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  SBBG19075  Cryptantha muricata var. jonesii M. A. Piehl 1963-6-2 63544 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  RSA0104500  Cryptantha muricata var. muricata Duncan S. Bell 2015-9-30 8656 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  SBBG29800  Cryptantha pterocarya H. and M. Dearing 1942-3-9 4819 Riverside Eagle Cyn near Palm Springs Comment
  UC667384  Cryptantha pterocarya Annie M. Alexander and Louise Kellogg 1941-5-7 2137 Riverside Split Rock, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
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Oct 23 2011
  UCR72188  Cryptantha pterocarya var. cycloptera Theo Glenn 1992-3-31 92- 08 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  POM13893  Cryptantha racemosa P. A. Munz, D. D. Keck 1922-4-9 4829 Riverside S base of Eagle Mts 229 Comment
  RSA0041943  Cryptantha racemosa Duncan S. Bell, Loraine Washburn 2014-4-10 6592 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  UCR279564  Cryptantha utahensis A. C. Sanders, Jim Malusa 2017-3-29 43171 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UC1714451  Cucurbita foetidissima H. M. Hall 1900-5-29 Riverside Riverside Comment
  UCD107531  Cucurbita foetidissima K. Esau 1935-6-15 s.n. Riverside Near Riverside. Comment
  SD46669  Cucurbita palmata P. C. Everett, E. K. Balls 1956-5-2 21550 Riverside 1.0 mile from turn-off west of Desert Center to Eagle Mountain pumping plant. 274 Comment
  CLARK-A1528-2662  Cupressus stephensonii John C. Roos 1962-5-19 Riverside Loma Linda Comment
  CLARK-A1528-422  Cuscuta californica var. papillosa C. M. Flanagan 1973-6-13 OO 713 Riverside Morongo Indian Reservation 975 Comment
  UCR278873  Cuscuta californica var. papillosa Mitch Provance 2012-8-1 812- 03 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  SFV7077  Cuscuta campestris T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 777 Riverside Bottomlands of Colorado River at Agnes Wilson Road. 104 Comment
  RSA309656  Cuscuta indecora J. C. Roos 1951-9-25 5254 Riverside West end Fairmount Park 259 Comment
  RSA545269  Cuscuta umbellata R. F. Thorne 1967-06 41892 Riverside Palm Desert Comment
  UCSB42263  Cycloloma atriplicifolium Roos, John 1965-9-26 Riverside Indio Comment
  CAS-BOT-BC56160  Cylindropuntia echinocarpa L. R. Abrams 1926-3-26 11211 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0083640  Cylindropuntia echinocarpa Duncan S. Bell 2010-4-1 648 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  SEINET3085681  Cylindropuntia munzii Marc A. Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson & Neal Kramer 2011-5-1 17306 Riverside South Side of Chuckwalla Mountains, 67km WSW of Blythe, 3.8km SSW of Augustine Pass. 665 Comment
  SEINET7249312  Cylindropuntia munzii Andrew C. Sanders, Tim Thomas, T. B. Salvato 2012-1 Riverside Comment
  POM228884  Cymopterus panamintensis var. acutifolius A. M. Alexander, Louise Kellogg 1941-5-26 2239 Riverside Colorado Desert: altitude 3200 feet, Monsen [Munsen] Canyon, Eagle Mountains. 976 Comment
  SEINET3004990  Cynanchum utahense G. Rink, M. Baker 2011-4-3 10418 Riverside Northwest of Blythe, east of the McCoy Mtns, small gullies in desert pavement 170 Comment
  RSA599109  Cynodon dactylon V. W. Steinmann 1996-4-13 830 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  RSA771109  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4729 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 W116.65122 604 Comment
  CAS-BOT-BC114543  Cyperus eragrostis Crawford; Johnston 1917-6-9 1256 Riverside Santa Ana River near Corona. Comment
  UC303942  Cyperus eragrostis Crawford and Johnston 1917-6-9 15 Riverside Santa Ana R. at Corona; Santa Ana R. Comment
  RSA577786  Cyperus niger var. capitatus L. C. Wheeler 1932-9-4 1332 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA575929  Cyperus odoratus Steve Boyd 1994-9-29 8369 Riverside Lake Elsinore, floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR130129  Cyperus odoratus Joseph A. Ewan 1931-10-3 5215 Riverside Santa Ana River, 4 miles NW of Corona 162 Comment
  RSA719784  Cyperus squarrosus Naomi Fraga, et al. 2006-7-11 1724 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  CDA26958  Dalea mollis G. D. Barbe 1978-5-2 2364 Riverside 19.2 miles west of Cottonwood Springs Road, 4 miles west of Roadside Rest Area, eastbound lanes I-10 east of Indio. 0 Comment
  UCSB3054  Dalea mollis Broder, Richard 1958-03 Riverside 5.8 miles E of Desert Center on U.S. 60-70 Comment
  UCR245246  Dalea mollissima Jim Andre 2012-3-19 21339 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  SD70874  Datisca glomerata Helen V. Witham 1969-7-2 168 Riverside De Luz Creek crossing, 4 miles north of De Luz (mak 6/06) 249 Comment
  RSA770445  Datura wrightii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4555 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR22103  Datura wrightii Steve Boyd 1980-5-15 282 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  RSA500211  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3532 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD186052  Daucus pusillus A. C. Sanders, Mike Misenhelter 2005-6-15 30966 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd. near Calle de Nino. 640 Comment
  CAS-BOT-BC293821  Deinandra fasciculata Palmer Stockwell 1935-5-12 1221 Riverside 2.5 mi. N. of Elsinore Comment
  UC1519491  Deinandra fasciculata Robert Gustafson and Gary Wallace 1983-6-23 2720 Riverside along Clinton Keith Road ca 2 1/2 mi from its junction Hwy 15; Santa Ana Mts. Comment
  SEINET7838966 Image available Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside Vicinity of Riverside 366 Comment
  JEPS38269  Deinandra paniculata W. L. Jepson 1901-5-17 1226 Riverside Comment
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May 15 2011
  SD234298  Deinandra paniculata R. E. Jr. Riefner 2006-9-19 06 444 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River. 301 Comment
  CAS-BOT-BC9089  Delphinium cardinale Percy C. Everett 1935-6-17 7170 Riverside Temescal Canyon, between Corona-Elsinore Highway and Glen Ivy Resort 365 Comment
  LA207333  Delphinium gypsophilum L. N. Goodding; November 1943 sn Riverside 50 mi. S of Indio, along highway Comment
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Mar 26 2014
  RSA0020486  Delphinium parishii subsp. parishii Anstruther Davidson 1895-1 s.n. Riverside Palm Springs. Comment
  LA207622  Delphinium parishii subsp. subglobosum Carl Epling; 1937-5-7 sn Riverside 2 mi. above PInon Flats, Palms to Pines Hwy Comment
  UCR175068  Delphinium parryi Teresa Nieto 2005-4-24 15 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  JEPS57293  Delphinium parryi subsp. parryi L. R. Heckard and R. C. Bacigalupi 1968-5-5 1801 Riverside about 5 mi s Hemet (low hills at s edge of Valley); Diamond Valley 518 Comment
  JEPS60625  Delphinium patens subsp. hepaticoideum W. L. Jepson 1901-5-19 1289 Riverside Strawberry Valley Comment
  RSA400030  Delphinium patens subsp. hepaticoideum J. C. Marvin 1921-4-1 s.n. Riverside Near Banning. Comment
  UCR8150  Delphinium patens subsp. montanum B. Freeman 1969-6-19 690619- 5 Riverside San Jacinto Mtns, James Reserve 1646 Comment
  SD127345  Dendromecon rigida Reid Moran 1969-10-25 16663 Riverside Poppet Flat Road, N slope San Jacinto Mts. 1250 Comment
  UC1126348  Dendromecon rigida R. St. John 1931-3-25 198 Riverside e Sierra Peak; Corona Quadrangle; SBM 762 Comment
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Nov 27 2011
  POM162736  Deschampsia elongata Ralph Hoffmann 1929-9-7 32 Riverside Strawberry Valley, San Jacinto Mountains. 1646 Comment
  RSA0123288  Descurainia pinnata subsp. glabra Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9001 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA771761  Descurainia pinnata subsp. pinnata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4638 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC1931130  Descurainia sophia Scott D. White, Justin Wood 2008-6-17 12161 Riverside San Jacinto Mountains: Garner Valley- Kenworthy Station (USFS) (Butterfly Peak) Comment
  RSA180266  Dicentra chrysantha E. W. Lathrop 1965-4-4 5639 Riverside 8 miles west of Murrieta Comment
  RSA367526  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-5-21 1276 Riverside San Jacinto Mtns., west side. 1372 Comment
  POM301822  Dichelostemma capitatum subsp. pauciflorum James E. Cole 1942-5-10 954 Riverside Joshua Tree National Monument. 1341 Comment
  CLARK-A1528-10  Dichelostemma pulchellum 1952-2-29 Riverside San Jacinto Mountains Comment
  RSA501045B  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3166 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA501071  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3189 Riverside Vail Lake area, head of Temecula Creek Cyn at the dam. 426 Comment
  RSA296150  Dicoria canescens B. A. Prigge 1980-8-18 3989 Riverside San Bernardino Mts, Catclaw Flat: 3.5 miles NNW of trout farm 963 Comment
  UCR109571  Dicoria canescens R. D. Goeden, Don W. Ricker 1986-5-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  CDA4510  Dimorphotheca sinuata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30067 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 Comment
  CAS-BOT-BC150933  Diplacus bigelovii var. bigelovii T. Mosquin 1958-2-22 3203 Riverside Corn Spring, Chuckwalla Mts. Comment
  SBBG66720  Diplacus bigelovii var. bigelovii M. N. Ackley -Feb-1926 1054 Riverside near Edom 64 Comment
  RSA0019420  Diplacus fremontii Scott D. White 1999-6-6 7440 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  CDA7874  Dipsacus sativus Kurt Cambell 2006-6-15 s.n. Riverside Northwest corner of Moraga Road and Rancho California Road, Temecula. Comment
  UCR116682  Distichlis spicata A. C. Sanders, Chet McGaugh 2001-7-26 24474 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  RSA734977  Ditaxis claryana L. C. Wheeler 1952-12-15 7024 Riverside Riverside Mountains: Mountaineer Mine. Comment
  JOTR36013  Ditaxis lanceolata Harding, Mitzi, T. Herskovits 2012-3-16 220 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  SEINET3860092  Ditaxis lanceolata T. B. Salvato 2010-4-20 4060 Riverside Sonoran (Colorado) Desert: alluvial slope between the McCoy Mountains and McCoy Wash, ca 14 mi. northwest of Blythe.; 0 183 Comment
  SFV6296  Ditaxis lanceolata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 59 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  VVC2196  Ditaxis lanceolata Tim Thomas 2012-8-23 5868 Riverside Colorado Desert, WNW of Blythe, site of Blythe Solar field, at this time it is scheduled to be destroyed. 134 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
  CHSC506  Dithyrea californica E. Thomas 1940-3-3 Riverside Near Salton Sea. 60 Comment
  RSA3977  Dithyrea californica C. B. Wolf 1932-4-29 3115 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  RSA651835  Dithyrea californica R. J. Silva 1949-2-12 s.n. Riverside Found: 1000 Palm Canyon. 762 Comment
  RSA697425  Draba corrugata J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mountain Comment
  SBBG70406  Draba corrugata R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2590 Comment
  POM47685  Draba cuneifolia var. integrifolia Mary F. Spencer 1920-3-18 1477 Riverside Near Palm Springs 152 Comment
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Nov 19 2011
  UC12541  Drymocallis glandulosa var. viscida H. M. Hall June, 1901 2039 Riverside meadows in the vicinity Strawberry Valley (Shingle Valley); San Jacinto Mountains, vicin Strawberry Valley 1341 Comment
  SDSU13617  Drymocallis glandulosa var. wrangelliana C. Mosse, W. Miller Riverside 316 Comment
  CAS-BOT-BC70827  Dryopteris arguta Scott D. White; Mike Wilcox 1995-7-11 3468 Riverside Southwest of Main Divide Truck Trail, upper forks of Decker Canyon, USGS 7 1/2' Alberhill quad. 731 Comment
  RSA180394  Dudleya lanceolata E. W. Lathrop 1965-5-30 5774 Riverside 6 miles W of Murrieta. Comment
  UC1080652  Dudleya lanceolata L. W. Lenz and H. Metcalf 1957-6-7 22623 Riverside ca 15 mi s Hemet (along Hwy 79) Comment
  UCR16119  Dudleya saxosa B. A. Carlson 1978-4-30 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 396 Comment
  RSA397789  Dudleya saxosa subsp. aloides H. de Forest 1924-4-15 s.n. Riverside Whitewater Comment
  RSA771357  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4450 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UCR215765  Dudleya saxosa subsp. aloides Jim Andre, T. La Doux 2006-4-26 11711 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, western drainage 1165 Comment
  RSA0125621  Echinocereus engelmannii var. engelmannii G. Ross Robertson s.n. Riverside Palm Springs, Colorado Desert. Comment
  UCR59847  Echinochloa colona George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  SEINET8724864 Image available Echinocystis macrocarpa Jean Coulson 1959-1 192 Riverside Riverside County, California, 0.9 mi. N. of Riverside, San Diego County line on Murrieta, De Luz road. E. of road. Comment
  RSA289863  Eclipta prostrata B. A. Prigge 1980-12-15 4111 Riverside Coachella Valley Stormwater Channel: 3 miles S of Mecca where Lincoln Street crosses channel. -67 Comment
  RSA69869  Eclipta prostrata J. C. Roos 1951-9-22 52332 Riverside Fairmont Park. 244 Comment
  UCR119433  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23091 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  POM11870  Elatine brachysperma P. A. Munz, I. M. Johnston 1922-5-19 5569 Riverside Menifee Valley. 427 Comment
  RSA544439  Elatine brachysperma Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6346 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UCR25867  Elatine brachysperma John C. Roos 1952-4-16 5539 Riverside Edgemont, near Box Springs 488 Comment
  RSA757452  Elatine californica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55207 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  POM12417  Eleocharis acicularis var. occidentalis Phillip A. Munz 1922-9-6 6376 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  POM14374  Eleocharis bella Phillip A. Munz 1922-5-20 5472 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  UC1755  Eleocharis bella H. M. Hall Jun 1901 2232 Riverside Onstatts Valley San Jacino Mountains 1524 Comment
  SEINET7586165 Image available Eleocharis geniculata Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. 305 Comment
  JOTR34102  Eleocharis macrostachya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2608 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  POM10521  Eleocharis montevidensis var. montevidensis C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
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Jul 27 2008
  POM14330  Eleocharis palustris Phillip A. Munz 1922-4-29 5105 Riverside Dripping Springs, Temecula River Comment
  RSA743553  Eleusine coracana subsp. africana R. E. Riefner 2003-12-20 3 -548 Riverside Near Jurupa, Hellman Ave. at Pine Ave. 195 Comment
  RSA69833  Elymus X gouldii J. C. Roos, L. Roos 1951-10-24 5344 Riverside Fairmount Park. 259 Comment
  LA102179  Elymus condensatus John C. Roos; 1963-8-10 sn Riverside Blythe Comment
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Mar 10 2014
  UCR199745  Elymus condensatus Scott D. White, Justin Wood 2008-5-29 12041 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  UCR89479  Elymus condensatus Steve Boyd, T. S. Ross, J. T. Columbus 1993-10-23 8196 A Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02) 878 Comment
  JOTR33781  Elymus elymoides subsp. elymoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2932 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
  UC38182  Elymus elymoides subsp. elymoides H. M. Hall July 1901 2501 Riverside Round Valley San Jacinto Mountains 2743 Comment
  UC38265  Elymus elymoides subsp. elymoides H. M. Hall 1899-5-1 1114 Riverside San Jacinto Mt. San Jacinto Mountains 1524 Comment
  CAS-BOT-BC206526  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-8-5 3942 Riverside San Jacinto Mts., along trail from Tahquitz Valley to San Jacinto Peak 2621 Comment
  SEINET258476  Elymus trachycaulus subsp. trachycaulus M. Curto, L Allen 1990-6-25 682 Riverside San Bernadino National Forest ; San Jacinto Mountains about 3 kilometres southeast of Pine Cove on USFS Rd 5510 1830 Comment
  UCR22064  Elymus triticoides Steve Boyd 1980-6-2 308 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau 640 Comment
  UCD131193  Encelia actoni William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  CAS-BOT-BC131346  Encelia farinosa W. R. Dudley 1903-12-26 s.n. Riverside Palm [Canon] Canyon Comment
  LA205845  Encelia farinosa F. R. Fosberg; 1932-3-13 8067 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA781747  Encelia farinosa Duncan S. Bell 2011-12-30 3045 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  RSA795939  Encelia farinosa Duncan S. Bell 2009-4-18 257 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  UC495309  Encelia farinosa Philip A. Munz 1932-3-14 11983 Riverside Deep Canyon, Coachella Valley 152 Comment
  UC68868  Encelia farinosa H. M. Hall 1905-4-1 5787 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UCR146278  Encelia farinosa Donald W. Kyhos 1965-3-13 65- 111 Riverside Colorado Desert; Northeastern Colorado Desert region, 6.2 miles west of Junction of Hwy 78 and Hwy 60-70 near Blythe Comment
  UCR83194  Encelia farinosa A. C. Sanders 1994-5-15 14483 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  POM4944  Encelia farinosa var. farinosa Robinson, Crocker s.n. Riverside Elsinore Region; along edge of lake Comment
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Mar 15 2014
  UCR214289  Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 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
  PASA1867  Ephedra californica R. E. Merrill Riverside Palm Canyon Comment
  RSA342001  Ephedra californica Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54115 Riverside Along Whitewater River, E of bridge and levee Comment
  CAS-BOT-BC81874  Ephedra trifurca Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13264 Riverside Northwest edge of sand dunes, 2.1 mi. S of Rice on road to Midland and Blythe Comment
  RSA383822  Ephedra trifurca Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
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Apr 13 2014
  UCR112004  Epilobium campestre A. C. Sanders, T. B. Salvato 2000-5-25 23418 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  JOTR36392  Epilobium canum subsp. latifolium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3345 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  UC64311  Epilobium canum subsp. latifolium H. M. Hall 1901-6 2330 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 2133 Comment
  RSA0125180  Epilobium ciliatum Duncan S. Bell 2016-10-27 10206 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA588337  Epilobium ciliatum subsp. ciliatum E. A. McGregor 1964-9-16 s.n. Riverside Idyllwildm San Jacinto Mountains. Comment
  RSA72167  Epilobium ciliatum subsp. ciliatum F. W. Peirson 1924-7-28 5012 Riverside Pine Flats Camp 1799 Comment
  UCR25050  Epilobium densiflorum A. C. Sanders 1981-7-22 1742 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  RSA568557  Epipactis gigantea George Henry Grinnell 1923-5-28 s.n. Riverside Riverside. Comment
  RSA607566  Epipactis gigantea Louis C. Wheeler 1964-6-19 8486 Riverside Palm oasis at mouth of Andreas Canyon near Palm Springs. Comment
  UCR170120  Equisetum laevigatum Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 118 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  UCR113731  Eragrostis cilianensis Mitch Provance 2000-7-30 2170 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  CAS-BOT-BC213599  Eragrostis mexicana subsp. mexicana J. C. Roos 1965-7-7 s.n. Riverside San Jacinto Comment
  JOTR32131  Eremalche exilis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2287 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  OBI12406  Eremalche exilis Robert F. Hoover 1969-4-14 11235 Riverside Palm Springs, just S of S city limit Comment
  UC665865  Eremalche exilis Ira L. Wiggins 1941-3-27 9685 Riverside 8 mi. n.e. Desert Center; s. end Coxcomb Mts. Comment
  RSA27803  Eremalche rotundifolia C. L. Hitchcock 1940-4-4 5955 Riverside Pinto Basin. Comment
  RSA432714  Eremalche rotundifolia N. C. Cooper 1949-4-8 3233 Riverside Mecca Pass east of Indio 457 Comment
  RSA777539  Eremalche rotundifolia Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 899 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR11343  Eremothera boothii subsp. desertorum John M. Spencer 1971-4-17 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now J.T.N. Park], 1.5 mi. north of Cottonwood Spring campground 953 Comment
  UCR95954  Eriastrum densifolium subsp. densifolium Scott D. White 1996-8-1 4403 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR144153  Eriastrum eremicum Scott D. White, Michael Honer 2003-4-25 9093 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  RSA0120050  Eriastrum eremicum subsp. eremicum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11280 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
  UC880209  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs Joshua Tree Nat. Monument Comment
  UCD118270  Eriastrum eremicum subsp. eremicum Collector Unknown 2016-5-19 292 Riverside Little Morongo Wash, near Warren's Ranch. Comment
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Feb 15 2013
  OBI033505  Eriastrum sapphirinum subsp. dasyanthum R. Thomasson 1973-5-30 Riverside Box Springs Mtns., Box Springs Mtn. Rd. 1 mi. from Pigeon Pass Rd., dry, flat area 686 Comment
  RSA0122973  Eriastrum sapphirinum subsp. sapphirinum Anonymous 1896-09 s.n. Riverside Strawberry Valley. Comment
  UC31082  Ericameria cuneata var. cuneata H. M. Hall 1901-7-1 Riverside Tamarack Creek San Jacinto Mts., Tamarack Ck. 2133 Comment
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Aug 3 2008
  RSA0106322  Ericameria linearifolia Lyman Benson 1946-4-15 12037 Riverside On Twenty-nine Palms Road from Whitewater. Mt. Range: San Bernardino. 457 Comment
  JOTR32642  Ericameria nauseosa var. mohavensis La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2563 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  UCR115156  Ericameria palmeri var. pachylepis Mitch Provance 2000-8-24 2222 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 274 Comment
  UC1929886  Ericameria paniculata Scott D. White, Michael Honer 2003-5-13 9250 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  UC55175  Ericameria pinifolia H. M. Hall 1902-4-8 2763 Riverside Thomas Valley San Jacinto Mountains, Thomas Valley 1371 Comment
  RSA673472  Erigeron foliosus Scott D. White, Tasha La Doux 2000-4-20 7715 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  JOTR37453  Erigeron foliosus var. foliosus Hodges, Stephen, T. Green 2016-5-24 575 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  UCR39349  Eriochloa acuminata A. C. Sanders 1985-8-24 5946 Riverside Sonoran (Colorado) Desert, lower Coachella Valley near Oasis on the dirt extension of Avenue 76, 0.4 mi east of Hwy 195, along the south side of a large drain flowing toward the Salton Sea -55 Comment
  POM263072  Eriochloa aristata J. C. Roos 1937-8-20 477 Riverside Palo Verde Valley, Colorado Desert. Comment
  UCR49192  Eriochloa aristata A. C. Sanders 1985-12-22 5962 Riverside Sonoran (Colorado) Desert, Coachella Valley, 1/4 mi NW of Valerie Jean, west of Hwy 86 -30 Comment
  UCR193863  Eriogonum A. C. Sanders, Mitch Provance 2008-7-11 35816 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-BC248619  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA393081  Eriogonum apiculatum Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
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Nov 6 2011
  JOTR36397  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3348 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  UCR281912  Eriogonum deflexum A. C. Sanders, Jim Malusa 2017-9-19 43339 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 4.65 km SW (211 deg. ) of Tabaseca Tank 744 Comment
  UCR161402  Eriogonum elongatum A. C. Sanders, Mike Misenhelter 2005-9-20 31674 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  JEPS57017  Eriogonum elongatum var. elongatum Mary Beal 1939-10-25 705 Riverside deert side of San Gorgonio Pass Mojave Desert Comment
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Mar 15 2014
  UCD99954  Eriogonum elongatum var. elongatum E. K. Balls; P. C. Everett 1957-11-4 22750 Riverside Snow Creek, about old Fish Hatchery, north base of San Jacinto Mountains. 701 Comment
  UCR177510  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32529 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  RSA34505  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1572 Riverside Banning. 701 Comment
  SEINET3087509 Image available Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-6-9 C 2073 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC75787  Eriogonum fasciculatum var. foliolosum Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA19901  Eriogonum fasciculatum var. polifolium I. W. Clokey 1935-4-21 s.n. Riverside Kern Camp P.O. 1360 Comment
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Nov 20 2010
  RSA393337  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 s.n. Riverside Keen Camp P. O. 1360 Comment
  UC64571  Eriogonum fasciculatum var. polifolium H. M. Hall June, 1901 2000 Riverside Box Springs Comment
  UC1979861  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside Peninsular Ranges; San Jacinto Mountains region: Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Comment
  JOTR16812  Eriogonum inflatum Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  UC85855  Eriogonum inflatum var. deflatum Mrs. E. C. Thurber 1896-3-21 Riverside Palm Springs Comment
  CAS-BOT-BC263118  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument Comment
  UC667267  Eriogonum maculatum Annie M. Alexander and Louise Kellogg 1941-5-15 2177 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  RSA393697  Eriogonum molestum Anstruther Davidson 1930-1 s.n. Riverside Mt. San Jacinto. Comment
  RSA615042  Eriogonum molestum G. R. Ballmer 1991-8-11 s.n. Riverside Santa Rosa Mountains, Santa Rosa Mountain Rd (Truck Trail going up Santa Rosa Mountain), ca. 8 mi. SE of the junction with Hwy 74. West of Deep Canyon. Comment
  SBBG64073  Eriogonum molestum R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  SD22472  Eriogonum molestum Susan G. Stokes 1933-7-1 Riverside Idyllwild to summit of Banning Grade 1584 Comment
  RSA339230  Eriogonum nidularium Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-23 53598 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA491781  Eriogonum nudum var. pauciflorum James L. Reveal, Caroline G. Reveal 1972-8-9 2869 Riverside Along California Highway 243, about 0.1 miles northwest of the Vista Grande Ranger Station at the turnoff to Indian Creek. Comment
  SD22473  Eriogonum palmerianum Susan G. Stokes 1933-7-1 Riverside Road to Idyllwild, sandy flat near road 762 Comment
  JOTR16817  Eriogonum plumatella Hogan, J. 1974-6-27 75 Riverside Joshua Tree National Park. ABOUT 0.75 MILES EAST OF EUREKA PEAK 1584 Comment
  RSA688859  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
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Dec 4 2012
  RSA772136  Eriogonum pusillum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4977 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  JOTR29589  Eriogonum saxatile Andre, Jim 2006-4-26 6781 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  POM305593A  Eriogonum thomasii Henry J. Ramsey, Henry J. Ramsey 1937-2-26 889 Riverside Whitewater. Comment
  RSA676149  Eriogonum thomasii Scott D. White 2001-4-12 8314 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA703378  Eriogonum thomasii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1436 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CHSC1328  Eriogonum thurberi Sonia R. Westerberg 1938-5-16 Riverside Palm Springs. Comment
  CAS-BOT-BC263594  Eriogonum trichopes L. R. Abrams 1926-3-26 11026 Riverside Palm Springs Comment
  JOTR29308  Eriogonum trichopes La Doux, Tasha, Mike Bell 2006-5-17 1385 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UCR3812  Eriogonum trichopes Frank C. Vasek 1964-4-12 640412- 05 Riverside Sonoran (Colorado) Desert, 29 Palms Road, 2.9 mi south of San Bernardino Co line, 1.5 mi from the junction with Rice Road Comment
  RSA0118094  Eriogonum wrightii var. membranaceum Sarah DeGroot, Duncan S. Bell 2015-9-21 7581 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Dunn Road, between Asbestos Mountains Haystack Mountain. 1241 Comment
  CAS-BOT-BC261784  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  RSA264066  Eriophyllum ambiguum var. paleaceum Noel Holmgren, Patricia K. Holmgren 1975-5-11 7980 Riverside Kingston Range, 15 miles aboe Horse Thief Springs, 19 airline miles ESE of Tecopa. 1524 Comment
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Aug 25 2013
  UC138186  Eriophyllum ambiguum var. paleaceum S. B. Parish and W. F. Parish Apr 1 1882-Jan 1 1900 1208 Riverside Agua Caliente Agua Caliente Comment
  CAS-BOT-BC297355  Eriophyllum confertiflorum Edmund C. Jaeger 1938-5-10 s.n. Riverside Stubby Springs, Joshua Tree National Monument 1219 Comment
  SD37562  Eriophyllum confertiflorum Florence Post 1931-5-1 Riverside Lake Elsinore region. Comment
  JEPS5430  Eriophyllum multicaule W. L. Jepson May 17 1901-Jun 1 1901 1272 Riverside San Jacinto River Canon Comment
  JEPS5435  Eriophyllum multicaule W. L. Jepson 1928-4-19 12431 Riverside 5 mi n Elsinore Comment
  CAS-BOT-BC302039  Eriophyllum wallacei H. M. Hall 1899-5-25 1179 Riverside San Jacinto Mountains. Coyote Canon [Canyon], El Toro Mt. Comment
  POM358159  Eriophyllum wallacei Norman C. Cooper 1944-3-25 1022 Riverside Morongo Pass. 457 Comment
  UCR103993  Eriophyllum wallacei George K. Helmkamp 1998-4-3 3078 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  UCR100175  Erodium brachycarpum Scott D. White 1993-3-3 1987 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  RSA673726  Erodium cicutarium Scott D. White 2000-4-12 7645 Riverside Baldy Mtn. area. 1616 Comment
  SD224984  Erodium moschatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19874 Riverside Lake Skinner area: lower Rawson canyon, just NE of the lake along the road. 456 Comment
  CSUSB1404  Erysimum capitatum Robin Maetche 1971-5-19 S. N. Riverside Idyllwilde city limits Comment
  POM17831  Erysimum capitatum var. capitatum P. A. Munz, D. D. Keck 1923-6-14 7067 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  SD229114  Erysimum capitatum var. capitatum Dick Schwenkmeyer 2012-4-18 698 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  SDSU13596  Erythranthe guttata W. Miller, C. Mosse 1972-7-12 Riverside Comment
  SD135326  Erythranthe rubella Craig Reiser, Dylan Hannon 1993-5-30 Riverside Santa Rosa Peak, north slope Comment
  CAS-BOT-BC110555  Eschscholzia Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert. Comment
  UCD96517  Eschscholzia androuxii Shannon M. Still; Robert Lee 2009-3-3 457 Riverside California. Riverside County: Joshua Tree National Park. 677 Comment
  UCR216404  Eschscholzia californica Mike Bell 2008-4-27 017 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 558 Comment
  UCR2990  Eschscholzia californica David T. Wright 1966-3-19 s.n. Riverside Perris-Aguanga Basin region, 3 mi. north of Perris Comment
  POM17821  Eschscholzia californica var. peninsularis P. A. Munz 1923-6-14 7078 Riverside Trail Glen Ivy to Santiago Peak. 1616 Comment
  UCR213429  Eschscholzia glyptosperma A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37437 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  RSA708491  Eschscholzia minutiflora Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10876 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  UCD94252  Eschscholzia minutiflora Shannon M. Still; Steven M. Still 2008-4-7 390 Riverside California. Riverside County: South side of I-10 in wash. 336 Comment
  RSA0023135  Eschscholzia minutiflora Henry J. Ramsey, Henry J. Ramsey 1937-2-26 887 Riverside Whitewater. Comment
  CAS-BOT-BC419617  Eschscholzia parishii Javier Penalosa 1962-4-10 2772 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC419636  Eschscholzia parishii Ira L. Wiggins 1937-3-9 8749 Riverside 1 mi. below Chuckawalla [Chuckwalla] Spring, Chuckawalla [Chuckwalla] Mts. 528 Comment
  HSC24917  Eschscholzia parishii John Collins 1970-5-9 211 Riverside Little San Bernardino Mtns., 10 mi. NNE of Indio, 1.5 mi. into Berdoo Canyon on Berdoo Cyn. Rd. 671 Comment
  UCR30090  Eschscholzia parishii George K. Helmkamp 1983-4-5 483 2 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCSB3658  Eschscholzia parishii Sager, Ginny 1960-4-2 Riverside Morongo Valley Comment
  SEINET237965 Image available Eucalyptus rudis A. C. Sanders 1998-1 21649 Riverside Lake Skinner area: along old Rawson Rd. at N edge of Crown Valley, at crest of road where it drops into Diamond Valley. 640 Comment
  UCR113164  Eucalyptus rudis A. C. Sanders 1998-1-15 21650 Riverside Lake Skinner area, along old Rawson Rd. in center of Crown Valley, at junction with main E-W road through valley 634 Comment
  RSA583359  Eucrypta chrysanthemifolia Steve Boyd, D. L. Banks 1995-4-5 8420 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA615095  Eucrypta chrysanthemifolia D. L. Banks 1997-3-29 1584 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA790935  Eucrypta chrysanthemifolia Doris Bowers 1972-4-15 1837 Riverside Pulgas Creek Wash mouth, Rancho California 396 Comment
  POM145350  Eucrypta chrysanthemifolia var. bipinnatifida J. B. Feudge 1927-3-22 1849 Riverside Palm Springs 183 Comment
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Nov 12 2011
  UCR123876  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill 2001-4-29 33521 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  UCSB42178  Eucrypta micrantha Roos, John 1966-3-26 Riverside 2 miles SE of Desert Center Comment
  UC489088  Euonymus occidentalis var. parishii C. V. Meyer 1928-7-24 514 Riverside San Jacinto Mts., Idyllwild Falls 1889 Comment
  UCR240266  Euphorbia abramsiana Neal Kramer, Wendy McBride, Kyle Christie, Suzanne Rhodes 2012-9-5 2072 Riverside Sonoran (Colorado) Desert, NW of Blythe, north side of 6th Ave. c. 1/2 mile west of Colorado River 87 Comment
  UCR137040  Euphorbia albomarginata A. C. Sanders 2004-5-5 27755 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
  UCR139980  Euphorbia maculata A. C. Sanders 2004-8-10 28768 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR256716  Euphorbia ocellata var. arenicola Duncan S. Bell 2012-2-12 3097 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UCR159143  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17979 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UCR41454  Euphorbia peplus B. G. Pitzer 1986-2-22 0014 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  UCD142704  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7463 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  UCR214124  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37732 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
  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
  UCR51952  Euphorbia polycarpa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2100 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR57985  Euphorbia polycarpa J. M. Stewart 1989-9-17 600 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  SEINET10739816  Euphorbia polycarpa Lewis S. Rose 1935-12-19 Rose 35663 Riverside Colorado Desert, Palm Springs, CA. 133 Comment
  UCD142719  Euphorbia polycarpa var. hirtella Geoffrey Levin 1975-4-5 464 Riverside Indio Hill Mountain Range. Jcn. of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  OBI14391  Euphorbia setiloba Robert F. Hoover 1966-10-15 10161 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  OBI29470  Euphorbia setiloba David J. Keil, Melissa Luckow 1979-8-31 13154 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  UCR215128  Euphorbia spathulata Sarah C. Pasquini 2008-4-15 10 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, c. 6 miles west of Murrieta, c. 60 m off Waterline Road 560 Comment
  UCR52013  Fagonia laevis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2203 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCSB18135  Fagonia laevis del Moral, Roger 1964-4-13 Riverside 1.6 miles south of Highway 60-70, 21 miles east of Indio 518 Comment
  SD148116  Fatoua villosa A. C. Saunders, T. B. Saunders 2001-10-8 24878 Riverside Riverside, UCR Campus in old Citrus Expt. Station lath house near the intersection of S Campus Dr. and E. Campus Dr. just N of the reservoir 351 Comment
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Sep 24 2017
  UCSB4264  Ferocactus cylindraceus Gray, Caroline 1956-4-14 Riverside Devil's Garden; 3 mi. off Highway 99 Comment
  CLARK-A1528-4643  Festuca arundinacea John C. Roos 1950-4-15 4743 Riverside Riverside 259 Comment
  UCR241831  Festuca microstachys A. C. Sanders, Timothy W. Chumley 2013-4-3 40761 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  UCR2430  Festuca microstachys F. M. Reed 1907-4-4 1270 Riverside City of Riverside. Arroyo Tequesquite Comment
  UCR171957  Festuca myuros John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR213262  Festuca octoflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37453 B Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR225508  Festuca octoflora A. C. Sanders 2011-3-30 38919 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
  UCR85244  Festuca octoflora A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15992 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  SDSU13580  Festuca perennis W. Miller with C. Mosse 1972-8-9 Riverside Comment
  UCR125222  Ficus carica Mitch Provance 1998-9-5 1024 Riverside City of Riverside, Hillside area, along the south side of Dewey St., between Streeter Ave. and Palm Ave. 238 Comment
  RSA0026299  Filago John F. Emmel 1991-4-28 1169 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  UCR174080  Filago californica A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32514 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UC218026  Forestiera pubescens P. A. Munz and I. M. Johnston 1922-5-7 5256 Riverside Keyes Ranch; Little San Bernardino Mts. 1219 Comment
  CSUSB2046  Fouquieria splendens Wayne White 1975-5-17 707 Riverside Red Cloud Road south of Highway I-10. Chuckwalla Mountains. 441 Comment
  SEINET6645831  Fouquieria splendens I. W. Clokey 1935-4-17 6752 Riverside Shafer Wells Comment
  UC68599  Fouquieria splendens subsp. splendens H. M. Hall Apr 1905 5810 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  CAS-BOT-BC53339  Frangula californica subsp. cuspidata Carl B. Wolf 1932-8-6 3989 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  UCR3713  Frasera parryi Frank C. Vasek 1964-7-25 640725- 23 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  UCR50413  Fritillaria biflora L. F. LaPre, Jack Easton 1988-1-27 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro, Santa Rosa Springs Ranch Comment
  RSA2592  Funastrum cynanchoides var. hartwegii J. T. Howell 1928-7-9 1065 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA458586  Funastrum cynanchoides var. hartwegii N. C. Cooper 1944-5-19 1293 Riverside Banning. 701 Comment
  SEINET3081970 Image available Funastrum cynanchoides var. hartwegii B. Pitzer 1986-4-26 185 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  SD161015  Funastrum heterophyllum Virginia S. Moran 2003-5-28 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Wilson Valley Mitigation Bank. Comment
  SBBG114129  Funastrum hirtellum E. Collins 1995-4-9 95 -025 Riverside Corn Springs Cmpgrd 518 Comment
  SD258845  Funastrum hirtellum Sarah 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, eastnortheast of Mecca. 281 Comment
  SEINET7248310  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-1 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA0029199  Funastrum hirtellum John F. Emmel 1997-10-20 1533 Riverside Joshua Tree National Park: Pinto Wells Road, 0.5 road mi north of park boundary. 302 Comment
  RSA500082  Galium andrewsii subsp. andrewsii Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3230 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  RSA609658  Galium andrewsii subsp. andrewsii R. S. Woglum 1937-5-22 554 Riverside Santa Rosa Mountains. Comment
  LA208321  Galium angustifolium Carl Epling; 1932-6-24 Riverside San Jacinto Mountains, near Idlywild Comment
  UC1929611  Galium angustifolium Scott D. White 2003-3-21 8816 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UCR154830  Galium angustifolium A. C. Sanders, Mike Misenhelter 2005-3-23 29277 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SD229267  Galium angustifolium subsp. angustifolium Dick Schwenkmeyer 2012-6-27 743 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  SDSU14282  Galium angustifolium subsp. angustifolium Ryan Jacobson, Jeremy Mass 2000-4-19 7 Riverside Santa Margarita Ecological Reserve. Near banks west bank of Stone Creek, about 1 mile north east of south-side facility. 177 Comment
  RSA682188  Galium angustifolium subsp. jacinticum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1113 Riverside Black Moutain Road (4501), southeast of Black Moutain and northwest of Fuller Mill Creek. 2043 Comment
  SEINET3157822  Galium angustifolium var. pinetorum C. Epling, W. Robinson 1935-6-30 sn Riverside Between Pine Flat Camp and Tullers Mill, Mt. San Jacinto Comment
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Sep 23 2013
  POM367764  Galium aparine N. C. Cooper 1944-5-24 1664 Riverside Big Oaks Canyon, Banning. 1220 Comment
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Oct 30 2011
  RSA0013626  Galium aparine LeRoy Gross, Duncan S. Bell 2013-4-30 6033 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA586143  Galium aparine D. L. Banks, Steve D. Boyd 1995-3-16 105 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  LA208323  Galium johnstonii H. Lewis; 1939-10-22 1021 Riverside San Jacinto Mountains, Idyllwild 1523 Comment
  JOTR33778  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2930 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
  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
  RSA454424  Galium parishii Robert Kessler 1920-07 s.n. Riverside Tahquitz Peak. 2707 Comment
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Aug 3 2008
  SBBG68947  Galium parishii R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  RSA666860  Galium porrigens A. C. Sanders, P. J. MacKay, T. Thomas, O. Clarke 1997-5-4 20644 Riverside San Jacinto Mountains north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740. Comment
  UCR116510  Galium porrigens var. porrigens A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20644 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
  UCR34932  Gamochaeta pensylvanica L. B. Ziegler 1977-3-20 560 Riverside Cismontane; San Jacinto Valley, City of San Jacinto 473 Comment
  RSA192002  Gamochaeta ustulata E. W. Lathrop 1966-4-13 6167 Riverside 3 miles NW of Murrieta Comment
  UCSB42181  Garrya flavescens Roos, John 1966-4-23 Riverside Skyline Drive; Santa Ana Mtns; above Corona Comment
  RSA391431  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Oak Ledge [Oak Cliffs], mouth of San Jacinto Canyon Comment
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Nov 20 2011
  UCD121187  Garrya veatchii R. N. Raynor 1933-3-31 s.n. Riverside Southeast slopes of Mt. San Jacinto. Comment
  UCR195137  Gayophytum A. C. Sanders, Tim Thomas 2008-8-1 35932 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR10169  Gayophytum diffusum subsp. parviflorum R. Kniffen 1969-9-28 s.n. Riverside Santa Rosa Mtns, Toro Peak 2652 Comment
  UCR87852  Gayophytum heterozygum 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
  UCR225187  Gazania linearis Steve Boyd, Susan Jett 2008-3-20 11833 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  POM358664  Geraea canescens N. Dunn 1932-3-6 s.n. Riverside Coachella. Comment
  UCR165291  Geraea canescens 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
  UCR227179  Geraea canescens Jim Andre 2011-2-9 15939 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  RSA598677  Geranium richardsonii Louis C. Wheeler 1948-8-28 6701 Riverside San Jacinto Mountains. Wellman's Cienega. 2896 Comment
  UCR118397  Gilia A. C. Sanders 1994-5-29 14567 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  JEPS29314  Gilia angelensis Rimo Bacigalupi and L. Heckard 1962-3-26 8410 Riverside just ne Alberhill (lower slopes of hills on e side Walker Canyon); e side Walker Canyon, ne of Alberhill 381 Comment
  RSA4383  Gilia angelensis Dorothy R. Wolf 1932-3-20 29 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA735921  Gilia angelensis Scott D. White, Jamie Minor 2008-3-13 11771 Riverside San Gorgonio Pass: Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. 732 Comment
  UCR137504  Gilia angelensis D. L. Banks, V. W. Steinmann 1997-3-13 1453 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  SDSU3069  Gilia australis H. Wedberg 1962-4-20 907 Riverside About 1 miles SE of Pinyon Flats on road to Palm Springs. Comment
  UCR30803  Gilia australis A. C. Sanders, Ken Berg 1980-5-1 1357 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  UCR261412  Gilia capitata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41420 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
  RSA771114  Gilia capitata subsp. abrotanifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4929 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UCR130222  Gilia diegensis George K. Helmkamp, E. A. Helmkamp 1998-6-27 4109 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  UC69315  Gilia latifolia L. A. Greata Apr. 1905 Riverside Coachella 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
  UCR169918  Gilia latifolia Scott D. White, Jennifer H. Jones 2005-4-21 10941 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR193266  Gilia ochroleuca A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35571 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1585 Comment
  JEPS4073  Gilia ochroleuca subsp. exilis M. French Gilman 1921-4-15 12 Riverside Banning Comment
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Dec 17 2016
  UC455467  Gilia ochroleuca subsp. exilis I. J. Condit 1910-6-22 Riverside Tahquitz Camp San Jacinto Mts. 2438 Comment
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Apr 7 2008
  UCR201467  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-5-15 11979 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA0017292  Gilia ochroleuca subsp. exilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1068 Riverside Corona-Elsinore. Comment
  HSC16979  Gilia scopulorum C. L. Hitchcock, C. V. Muhlick 1964-3-22 23268 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  SEINET12510617 Image available Gilia scopulorum Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-1 6415 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  UCR101590  Gilia scopulorum 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
  JEPS2614 Image available Gilia stellata L. M. Newlon 1922-4-3 433 Riverside Andreas Canyon San Jacinto Mts.; Andreas Canyon, San Jacinto Mts. Comment
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Apr 7 2011
  JEPS69722  Gilia stellata W. L. Jepson 1928-4-23 12556 Riverside wash 2 mi below Cottonwood Spr. (Eagle Mts., Colorado Desert); Colorado Desert, , Eagle Mts. Comment
  JOTR35218  Gilia stellata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3642 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash (Stop 3) Comment
  RSA480027  Gilia stellata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2158 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA768415  Gilia stellata J. Andre, T. La Doux 2009-2-28 10837 Riverside Joshua Tree National Park: southeast Little San Bernardino Mountains, Along Berdoo Canyon Road, approx. 0.8 miles north of Joshua Tree National Park boundary, approx. 3 miles north of Dillon Road. 632 Comment
  SEINET3004968  Gilia stellata G. Rink 2011-3-24 10392 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  UC667282  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-4-27 2092 Riverside Joshua Tree National Monument Joshua Tree National Monument (Riverside and San Bernardino Counties) 1310 Comment
  UCR162851  Gilia stellata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 239 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, W edge of main canyon near the BLM gate 534 Comment
  UCR237514  Gilia stellata Amber Swanson, Duncan S. Bell 2011-3-10 210 Riverside Mecca Hill, Shaver's Well in Box Canyon 304 Comment
  UCR244401  Gilia stellata Jim Andre 2012-4-16 20983 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UCR245889  Gilia stellata R. F. Thorne 1995-3-29 63022 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  IRVC28172  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Alberhill Mtn., SE of old clay mining area. Peninsular Ranges 448 Comment
  UCR151040  Glyceria elata Scott D. White 1998-7-31 6954 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  SEINET10915528  Gnaphalium Greg Gust, Leith Nye 2005-3-11 Gust 549 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  RSA586118  Gnaphalium californicum D. L. Banks, S. D. Boyd 1995-4-5 0158 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 549 Comment
  UCR44227  Gnaphalium canescens subsp. microcephalum A. C. Sanders 1986-6-1 6542 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR104899  Gnaphalium luteoalbum A. C. Sanders 1997-3-19 20040 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  RSA741588  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-6-17 12169 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR20881  Gnaphalium palustre A. C. Sanders 1978-7-3 00124 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCR133685  Gnaphalium stramineum 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
  UCR34922  Gnaphalium stramineum L. B. Ziegler 1967-8-2 203 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  RSA0112993  Gnaphalium thermale P. A. Munz, I. M. Johnston 1924-7-28 8807 Riverside Pine Flats, San Jacinto Mts. [original label says San Diego Co.] 1738 Comment
  JOTR32335  Grayia spinosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2456 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  RSA501019  Guillenia lasiophylla Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3138 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
  RSA645866  Gutierrezia californica Scott D. White 1995-9-22 3687 Riverside San Bernardino Basin: San Jacinto Valley: March AFB, W of Plummer Rd. and S of Cactus Rd., +/-0.7 mi W of 215 Fwy. 457 Comment
  UCR134647  Gutierrezia californica Mitch Provance 1998-4-10 420 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  JOTR35238  Gutierrezia sarothrae Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, South of Eureka Peak Comment
  SDSU16684  Gutierrezia sarothrae Francis H. Bozzolo 2006-4-16 6 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  HSC85434  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA0066598  Harpagonella palmeri Steve Boyd 1991-5-7 6165 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA0066623  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  CAS-BOT-BC309386  Helenium puberulum H. M. Hall 1901-8-1 s.n. Riverside Vicinity of Riverside 259 Comment
  CAS-BOT-BC305360  Helianthus annuus Lewis S. Rose 1966-12-11 66095 Riverside Palm Springs 152 Comment
  RSA360021  Helianthus niveus subsp. canescens A. Menke 1955-4-26 s.n. Riverside Indian Wells Comment
  UCR248086  Heliotropium curassavicum Duncan S. Bell 2012-9-13 4192 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  CAS-BOT-BC314979  Hemizonella minima Edmund C. Jaeger 1921-6-14 s.n. Riverside MacMullen Trail, San Jacinto Mts. 1280 Comment
  POM122962  Hemizonia kelloggii Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  RSA553902  Hemizonia kelloggii G. R. Ballmer 1992-6-23 92 -8 Riverside San Timoteo Canyon Rd., 0.8 mi E of jct with Redlands Blvd. Comment
  UCR176181  Hemizonia kelloggii Amber Bruno 2005-6-7 53 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR235054  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-5-27 40200 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, near SW corner of Valley Substation (on Menifee Rd.), just off Case Rd. 445 Comment
  UCR141250  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2004-10-6 28812 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCR90610  Hemizonia paniculata Scott D. White 1995-6-29 3386 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  UCR189569  Hemizonia pungens subsp. laevis Lee A. Ripma 2007-10-11 020 Riverside Peninsular Range; San Jacinto foothills, 0.1 mi north of main paved road and c. 0.2 mi west of Potrero Creek 655 Comment
  UCR40448  Hemizonia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  UCR59918  Hemizonia pungens subsp. pungens Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, c. 1 mi south of Hwy 60 on Nason St. Adjacent to W side of Nason, south of Dracaea Ave. Comment
  UCR174435  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32489 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR241230  Heteromeles arbutifolia Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 689 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon 1067 Comment
  JEPS20371  Heterotheca grandiflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River Comment
  SEINET2052190 Image available Heterotheca sessiliflora A. C. Sanders, S. White and C. L. Sanders 1994-10-9 15804 Riverside San Bernardino Mountains, Whitewater Canyon, 2 mi. below trout farm, above Bonnie Bell. 548 Comment
  SD5295  Heterotheca sessiliflora var. sanjacintensis F. Youngbery 1933-8-28 Riverside Idyllwild, San Jacinto Mts. Comment
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Mar 10 2014
  CAS-BOT-BC206627  Heuchera hirsutissima Elizabeth McClintock 1965-6-25 119 Riverside Santa Rosa Mountain, a short distance below summit. Comment
  UC64040  Heuchera hirsutissima H. M. Hall 320 1/2 Riverside on the peak San Jacinto Mountains 3293 Comment
  RSA0123368  Hibiscus denudatus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9036 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
  RSA336043  Hibiscus denudatus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52026 Riverside Chino Canyon. Comment
  RSA776963  Hibiscus denudatus Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 913 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SD258430  Hibiscus denudatus J. M. Andre 2013-3-27 24814 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 miles S of Vidal Jct. 125 Comment
  SEINET255572  Hieracium albiflorum G. K. Helmkamp, E. A Helmkamp 2006-7-28 11014 Riverside Nothern Sierra Nevada Mtns: Echo Summit along Hwy US-50 ; at entrance to the road maintenance station 2245 Comment
  SD258840  Hilaria rigida Sarah J. De Groot, Duncan S. Bell, LeRoy Gross 2016-2-17 7607 Riverside Santa Rosa Mountains; slide off east side of Martinez Mountain, north of Toro Canyon, south of La Quinta, southwest of Thermal and Coachella. 110 Comment
  SEINET190986 Image available Hilaria rigida A. A. Beetle 1942-4-22 3183 Riverside 5 mi E of Shaver's Summit; Rt 60 & 70 Comment
  UCR2458  Hilaria rigida F. M. Reed 1920-3-24 4286 Riverside Sonoran (Colorado) Desert, Morongo Pass near Whitewater Station 457 Comment
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Oct 1 2011
  UCR272439  Hilaria rigida Cheryl Sevilla, Sarah J. De Groot 2015-3-18 037 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2 air miles north-northwest from the Whitewater Preserve Ranger Station, on the hillside east of the Whitewater River drainage 822 Comment
  SDSU12942  Hirschfeldia incana Jutta Buschbom 1991-6-1 27 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  CAS-BOT-BC207506  Hoffmannseggia glauca Lewis S. Rose 1938-2-1 38014 Riverside Palowalla, 30 mi. e. of Desert Center 121 Comment
  RSA405280  Hoffmannseggia glauca N. C. Cooper 1949-4-8 3322 Riverside Blythe. 259 Comment
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Nov 20 2011
  CAS-BOT-BC206105  Hoffmannseggia microphylla John Thomas Howell 1827-1-28 3292 Riverside Painted Canyon [Canon], Colorado Desert Comment
  CAS-BOT-BC207573  Hoffmannseggia microphylla Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9564 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  UCSB3071  Hoffmannseggia microphylla Haller, John 1960-4-2 Riverside Along U.S. 60-70, about 9 miles east of Indio Comment
  SEINET10687049  Hoffmannseggia microphylla David B. Dunn 1946-2-23 Dunn 1983 Riverside Hidden Springs Canyon in the vicintiy of the Palms. Comment
  UCR189777  Holocarpha virgata subsp. elongata Amy Rowland 2007-9-5 108 Riverside Peninsular Range; Santa Ana Mountains, Tenaja Corridor at intersection of Corona Cala Camino and Avocado Mesa Roads 720 Comment
  RSA160424  Holodiscus discolor J. D. Olmsted 1959-4-30 504 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona 793 Comment
  RSA449810  Holodiscus microphyllus Louis C. Wheeler 1931-10-3 240 Riverside North side of Tahquitz Peak 2622 Comment
  SD140223  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74), open fields 459 Comment
  UCR75301  Hordeum depressum A. C. Sanders 1993-4-5 13686 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCR85535  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA556438  Hordeum intercedens Julie Greene 1993-4-17 1201 Riverside West of Davis Road. 433 Comment
  UCR269908  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3669 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR193482  Hordeum marinum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35601 Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  RSA451544  Horkelia clevelandii M. B. Dunkle 1933-7-20 3696 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC12390  Horkelia clevelandii H. M. Hall 1897-6-16 648 Riverside San Jacinto Mountains, Strawberry Valley 1615 Comment
  RSA0042102  Horsfordia alata Duncan S. Bell, LeRoy Gross 2014-3-6 6189 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  RSA720440  Hulsea vestita subsp. callicarpha Naomi Fraga, Valentin Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1702 Riverside Along 4-W drive trail east of Morris Ranch road and west of McGregor Flat. 1616 Comment
  UCR116801  Hymenoclea salsola A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23951 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SD234894  Hypericum formosum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35632 Riverside Peninsular Range; San Jacinto Mtns.: May Velley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch. 1524 Comment
  UCR195117  Hypericum formosum A. C. Sanders, Tim Thomas 2008-8-1 35946 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR202589  Hypericum formosum var. scouleri Scott D. White, Justin M. Wood 2008-7-8 12369 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UCD133380  Hypochaeris glabra Robert F. Thorne; W. Wisura, E. Lathrop, S. Meury 1985-5-18 60658 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 609 Comment
  CAS-BOT-BC219769  Hyptis emoryi E. Braunton 1929-1-1 1023 Riverside Painted Canyon, Mecca 45 Comment
  JOTR16726  Hyptis emoryi Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  JOTR34309  Hyptis emoryi Andre, Jim 2012-4-11 20724 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  JOTR38530  Hyptis emoryi Harding, Mitzi, Kipp Callahan 2012-8-27 299 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  LA61528  Hyptis emoryi E. Braunton; January 1929 1023 Riverside Painted Canyon, Mecca 45 Comment
  RSA420173  Hyptis emoryi M. B. Dunkle 1934-2-25 3849 Riverside Cathedral Canyon. Colorado Desert. 152 Comment
  RSA366806  Iris hartwegii subsp. australis Robert L. Rutherford 1945-5-24 1658 Riverside Big Oaks Canyon, Banning. 1220 Comment
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Oct 19 2010
  CAS-BOT-BC311614  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Salton Basin. Indio -6 Comment
  UCR113634  Isoetes howellii June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro 610 Comment
  POM4803  Iva axillaris subsp. robustior I. M. Johnston 1928-5-30 2014 Riverside Temescal Canyon. 366 Comment
  UC842096  Juncus acutus subsp. leopoldii Ivan Johnston 1917-4-4 1073 Riverside Palm Canyon Colorado Desert 243 Comment
  UCR180048  Juncus balticus Mitch Provance 2005-5-18 9806 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR651  Juncus balticus S. C. Warner 1956-5-19 s.n. Riverside San Jacinto Mtns., 3 mi up Bautista Canyon Road, near San Jacinto 671 Comment
  SBBG89273  Juncus bufonius J. Adams 1966-4-28 738 A Riverside dirt rd from Murrieta to De Luz; Santa Rosa Plateau 762 Comment
  UC1922738  Juncus bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. Lake Fulmore 7.5' Quad. Comment
  UCR121176  Juncus bufonius D. E. Bramlet 1991-5-2 2111 Riverside Crown Valley, c. 2300 ft. (~0.44 mi.) SE of Rawson Road 701 Comment
  UCR193885  Juncus bufonius A. C. Sanders, Mitch Provance 2008-7-11 35802 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
  RSA708221  Juncus bufonius var. bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside Indian Creek and adjacent foothills. 549 Comment
  RSA70059  Juncus bufonius var. occidentalis F. W. Peirson 1922-5-19 3019 Riverside Menifee Valley, south of Perris. 457 Comment
  RSA741157  Juncus bufonius var. occidentalis Scott D. White, Justin M. Wood 2008-5-15 11993 Riverside Johnson Meadow. 1415 Comment
  UCR242660  Juncus longistylis A. C. Sanders 2013-7-6 40849 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  POM122329  Juncus macrophyllus Marcus E. Jones 1921-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA368244  Juncus mexicanus H. de Forest, Jack Rempel 1932-10-22 s.n. Riverside Pines to Palms Highway. Comment
  UCR195132  Juncus oxymeris A. C. Sanders, Tim Thomas 2008-8-1 35953 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  RSA519236  Juncus xiphioides Ed LaRue 1989-4-26 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice Canyon. 488 Comment
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Mar 24 2007
  SBBG104053  Juncus xiphioides A. C. Sanders with O. F. Clarke 1991-6-10 11136 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR272500  Juncus xiphioides Mitch Provance 2012-7-25 712- 02 Riverside San Gorgonio Pass, Banning, Smith Creek, NE of West Ramsey St. and Highland Home Rd. 1410 Comment
  CAS-BOT-BC234583  Justicia californica Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well Comment
  RSA402303  Justicia californica Gale Sphon 1955-5-15 s.n. Riverside Dead Indian Canyon near Palm Springs. Comment
  SEINET10437397 Image available Justicia californica C. F. Shutts 1949-3-28 112 Riverside Palm Springs Comment
  CAS-BOT-BC235505  Keckiella antirrhinoides R. S. Woglum 1941-5-17 3038 Riverside Coyote Canyon, (extreme south-central) Riverside Co. Comment
  OBI74462  Keckiella antirrhinoides David J. Keil 1983-4-15 16899 Riverside East of Temecula SR 79 Comment
  RSA298671  Keckiella antirrhinoides D. C. Michener 1982-5-5 4036 Riverside Northerly slopes along Temescal Canyonn Rd ca 1.1 miles southeast of Temescal Fire Station. Comment
  RSA543307  Keckiella antirrhinoides Steve D. Boyd 1991-3-17 5489 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  CAS-BOT-BC236714  Keckiella antirrhinoides subsp. antirrhinoides Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  NY786715  Keckiella antirrhinoides var. antirrhinoides S. D. Boyd 1991-5-10 6217 Riverside Santa Ana Mountains, base of range, just north of mouth of Hagador Canyon at bottom of Skyline Drive. 426.7 Comment
  UCR15969  Keckiella antirrhinoides var. antirrhinoides Kenneth Hibberd 1966-3-27 660327- 6 Riverside Lake Elsinore, 1 mi north of NW corner 427 Comment
  UCR93813  Keckiella antirrhinoides var. antirrhinoides P. J. MacKay 1996-6-15 009 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  SD122960  Keckiella cordifolia Steve Boyd 1985-7-23 1022 Riverside De Luz Road, 8.5 mi west of Rancho California. Between roadcut and riparian area of Sandia Creek 274 Comment
  CAS-BOT-BC246201  Keckiella rothrockii Ralph Hoffmann 1929-9-6 s.n. Riverside Near Tahquitz Pk., San Jacinto Mts. Comment
  UCR199792  Kochia scoparia Scott D. White, Justin M. Wood 2008-6-13 12104 Riverside Beaumont Badlands, San Timoteo Canyon, near El Casco Lake (private pond) east of the road 610 Comment
  POM17823  Koeleria macrantha P. A. Munz, D. Keck 1923-6-14 7076 Riverside Glen Ivy Trail to Santiago Peak. 1584 Comment
  CAS-BOT-BC61432  Krameria bicolor W. R. Dudley 1903-12-1 s.n Riverside Desert back of Indian Reservation, Palm Springs Comment
  UCSB37889  Krameria bicolor Roos, John 1965-6-23 Riverside Colorado Desert, Lost Palms Canyon in the Eagle Mtns. Comment
  RSA409440  Krameria erecta George B. Grant 1906-05 6786 Riverside Palm Springs Comment
  JOTR32043  Krameria grayi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2258 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  RSA795811  Krameria grayi C. P. Cowan 1978-4-23 1170 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR17305  Krameria grayi K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  RSA198982  Lamarckia aurea R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37584 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  SEINET8729313 Image available Langloisia flaviflora Helen K. Sharsmith 1952-1 4050 Riverside Western lobe of Pinto Basin, Joshua Tree National Monument, Riverside County. Altitude ca. 2000 feet. 610 Comment
  UCR3813  Langloisia matthewsii Frank C. Vasek 1964-4-12 640412- 07 Riverside Sonoran (Colorado) Desert, 29 Palms Road, 2.9 mi south of San Bernardino Co line, 1.5 mi from the junction with Rice Road Comment
  HSC100857  Larrea tridentata J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12775 Riverside 457 Comment
  RSA390030  Larrea tridentata Bonnie C. Templeton 1930-4-4 1076 Riverside North of Palm Springs. Dry wash. Lower sonoran 400 Comment
  UCR100085  Larrea tridentata R. G. Swinney 1967-2-4 158 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  UCR165829  Larrea tridentata 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
  SD152780  Lastarriaea coriacea Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7364 Riverside San Mateo Canyon Wilderness area, Los Alamos Canyon at mouth of Wild Horse canyon 410 Comment
  POM8241  Lasthenia coronaria P. A. Munz, R. D. Harwood 1920-3-20 3738 Riverside Temescal Canyon. 366 Comment
  RSA543159  Lasthenia coronaria Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6089 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  JEPS35388  Lasthenia glabrata subsp. coulteri W. L. Jepson 1939-4-17 19159 Riverside Temecula 304 Comment
  RSA550491  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-9 2220 Riverside 2.6 km west of Lake View and 15m to 100m east of the San Jacinto River and just west of an existing dirt access road. The site is approximatly 440m south of the MWD easment road. Comment
  POM13000  Lasthenia gracilis P. A. Munz, I. M. Johnston 1922-5-19 5420 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  POM47486  Lasthenia gracilis Mary F. Spencer 1920-4-7 1434 Riverside Palm Canyon; Colorado Desert. 244 Comment
  RSA33497  Lasthenia gracilis N. C. Cooper 1944-3-24 998 Riverside Banning. 701 Comment
  RSA586494  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-5-9 0325 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
  UCR202227  Lasthenia gracilis Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  RSA0043380  Lathyrus John F. Emmel 1996-6-16 1412 Riverside San Jacinto Mts.; along Spitler Peak Trail, 0.1-0.2 trail mile west of junction with Pacific Crest Trail. 2072 Comment
  CLARK-A1656-646  Lathyrus vestitus Lois Ann Scott 1978-5-19 Riverside Santa Rosa Mountains 1523 Comment
  RSA14602  Lathyrus vestitus subsp. alefeldii Daniel Cleveland 1882-5-5 s.n. Riverside Temecula Comment
  SBBG103915  Layia platyglossa S. D. White 1993-4-20 1216 b Riverside ridge SE of Estelle Peak, Gavilan Hills 792 Comment
  UC62886  Layia platyglossa H. M. Hall 1903-4-1 3712 Riverside vicinity Riverside 396 Comment
  UC62906  Layia platyglossa H. M. Hall 1902-4-7 2758 Riverside vicinity Winchester 426 Comment
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Mar 20 2011
  RSA395943  Layia platyglossa subsp. campestris Steve Boyd 1986-3-9 1394 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. Comment
  RSA549244  Leersia oryzoides A. C. Sanders, CNPS field trip, O. F. Clarke 1991-10-5 11740 Riverside Riverside, Fairmount Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake. Comment
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Jan 9 2008
  RSA0031359  Lemna minor D. L. Crawford 1916-7-5 s.n. Riverside Fairmont Lake. Comment
  UCR121799  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24055 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR91886  Lepidium dictyotum var. acutidens A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18056 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA429904  Lepidium fremontii Christopher Davidson 1979-4-4 7735 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR200259  Lepidium fremontii var. fremontii J. M. Porter, Orlando Mistretta 2003-6-5 13608 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  CLARK-A1656-763  Lepidium lasiocarpum Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  RSA429919  Lepidium lasiocarpum W. M. Zabriskie 1973-2-21 117 Riverside Upper Pipistrille Canyon, Deep Canyon drainage, north slope of Santa Rosa Mtns. site 17 854 Comment
  UCD80950  Lepidium lasiocarpum subsp. lasiocarpum Chuck Hughes 2009-3-23 65 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  SBBG2528  Lepidium lasiocarpum var. lasiocarpum H. and M. Dearing 1942-1-17 4789 Riverside Cathedral City Comment
  UC218036  Lepidium lasiocarpum var. lasiocarpum P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4905 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 609 Comment
  UCR228250  Lepidium latipes A. C. Sanders, T. B. Salvato 2011-4-1 38935 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR266340  Lepidium latipes D. E. Bramlet 1994-4-22 2371 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.7 km SW of Hemet at the Dilworth property, NE of Winchester, north of the railroad tracks and east of California Ave. 457 Comment
  RSA601927  Lepidium latipes var. latipes D. Bramlet 1997-3-13 2503 Riverside Nichols Road Wetlands. The site is located approx. 186 m southeast of Nichols Road, 91 m west of Collier Ave, and 196 m west of the I-15. 381 Comment
  RSA543302  Lepidium nitidum Steve Boyd 1991-3-17 5508 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR251304  Lepidium nitidum T. B. Salvato, Matthew Malle 2014-4-8 7829 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills, above an old horse track, c. 0.2 mi north of the junction of Temescal Canyon Road and Concordia Ranch Road 377 Comment
  RSA585639  Lepidium nitidum var. nitidum D. L. Banks, S. D. Boyd 1995-3-15 74 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn, Dorland Mtn area. 790 Comment
  RSA769496  Lepidium nitidum var. nitidum Justin M. Wood 2010-3-19 1426 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  CDA25059  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside, gravel driveway of residence at 4863 Rubidoux Avenue. 0 Comment
  UCR165611  Lepidium virginicum T. B. Salvato, John F. Green 2004-5-27 710 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
  CLARK-A1045-92  Lepidium virginicum var. pubescens George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains originally ""at Deer Spring""; Lake Fulmor 7.5'Q Comment
  RSA673718  Lepidium virginicum var. pubescens Scott D. White, W. La Haye 2000-5-27 7951 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SDSU17495  Lepidium virginicum var. pubescens Jerry Jenkins 2001-3-31 2001 -017 Riverside Santa Margarita Ecological Reserve. Sandy path on east side of river, UTM zone 6, 481850E, 3699100N. UTM transfered to GIS. Comment
  UCR213840  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2009-5-21 12853 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCR35191  Lepidium virginicum var. pubescens L. B. Ziegler 1972-5-30 469 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1418 Comment
  RSA586324  Lepidium virginicum var. virginicum D. L. Banks, S. D. Boyd 1995-5-3 189 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  CAS-BOT-BC329440  Lepidospartum squamatum Lewis S. Rose 1935-12-21 35678 Riverside Colorado Desert. Whitewater Wash, 3 mi SE of Palm Springs Station 304 Comment
  RSA650943  Lepidospartum squamatum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 379 Riverside In foothills San Gabriel Mts. 19 miles North of Riverside. 610 Comment
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Dec 15 2011
  UC372931  Lepidospartum squamatum Marcus E. Jones, A. M. 1923-8-2 Riverside Indian Well Comment
  UCR19393  Lepidospartum squamatum C. S. Papp 1962-12-9 234 Riverside 2 mi southeast of Riverside [Sycamore Canyon] Comment
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Jul 19 2012
  RSA723302  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), Just N. of Cedar & Mountain, NE end of Hemet Comment
  RSA628352  Leptochloa panicea subsp. mucronata Steve Boyd 1998-10-4 10293 Riverside Backyard orchard at 4863 Rubidoux Avenue. Comment
  UC449744  Leptodactylon californicum F. M. Reed 1903-3-26 681 Riverside Wilder's Canyon Comment
  CAS-BOT-BC123158  Leptodactylon californicum subsp. leptotrichomum Patricia J. Gordon 1981-5-2 836 Riverside Santa Ana Mts., CA Hwy 74 ca. 1 km N of Ortega Oaks (Cleveland Nat. Forest). 700 Comment
  UCR3438  Leptodactylon californicum subsp. leptotrichomum John Minnich 1964-3-28 64-3-28- 5 Riverside Santa Ana Mountains, Hwy 74, on Elsinore side of of summit 610 Comment
  UC23803  Leptodactylon pungens H. M. Hall June, 1901 2329 Riverside near Tahquitz (Southern California); San Jacinto Mountains, near Tauquitz 2499 Comment
  RSA468602  Leptosiphon aureus Frances L. Cramer 1941-5-3 20327 Riverside Joshua Tree National Monument Comment
  RSA180366  Leptosiphon floribundus E. W. Lathrop 1960-5-27 5229 Riverside 6 miles west of Murrieta. Comment
  RSA192028  Leptosiphon liniflorus E. W. Lathrop 1966-5-15 6325 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  SD152785  Leptosiphon parviflorus Steve Boyd, Orlando Mistretta 1992-4-23 7070 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
  UCR106905  Lessingia glandulifera var. glandulifera D. L. Banks, L. Raz 1996-11-5 1176 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
  RSA800105  Linanthus bigelovii Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4768 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  UC217948  Linanthus dianthiflorus P. A. Munz 1922-4-30 5134 Riverside s of Hemet (near Tuscalota Creek) Comment
  POM364588  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-4-6 1944 Riverside South of Hemet Comment
  RSA643888  Linanthus dianthiflorus subsp. dianthiflorus A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16241 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  RSA480084  Linanthus filiformis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2173 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA778832  Linanthus jonesii J. Andre 2011-2-9 15904 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
  UCR216210  Linanthus jonesii Jim Andre, T. La Doux 2009-2-25 10829 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, along west side of Hwy 95 just south of Black Point, c. 15 miles north of Blythe 94 Comment
  RSA769522  Linanthus lemmonii Duncan S. Bell, Valentin Arvizu 2010-5-10 975 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  UCR116409  Linanthus lemmonii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24180 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR25033  Linanthus lemmonii A. C. Sanders 1980-7-22 1736 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR35059  Linanthus liniflorus subsp. pharnaceoides L. B. Ziegler 1967-9-6 239 Riverside San Jacinto Mtns, Hemet Valley (=Garner Valley), Quinn Flats region 1375 Comment
  RSA645178  Linanthus maculatus J. Mark Porter, L. Machen 1995-4-14 10690 Riverside Mouth of Morongo Canyon, in Morongo Wash, on the east side of Highway 62, along the old right-of-way for old Route 62 (portions of the pavement are still present), 0.4 miles north of the intersection of Indian Avenue and HWY 62. Comment
  UCR160776  Lithophragma A. C. Sanders 1998-3-11 21681 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR160958  Lithophragma A. C. Sanders 1997-4-3 20158 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA659606  Lithophragma affine J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  UCR23128  Lithophragma affine J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  RSA0010983  Lithophragma affine N. C. Cooper 1944-5-21 1302 Riverside San Jacinto Mountains, west side. 915 Comment
  RSA93778  Lobelia cardinalis subsp. graminea F. W. Peirson 1922-12-27 8649 Riverside About 1 miles up in Andreas Canyon, Palm Springs region. Comment
  SEINET3522941 Image available Lobularia maritima K. S. Gill 1965-3-14 Riverside On campus UCR. waste land near parking lot No. 19. Comment
  UCR174170  Loeflingia squarrosa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32578 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA796334  Loeseliastrum matthewsii Duncan S. Bell 2009-4-18 200 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  JEPS69807  Loeseliastrum schottii W. L. Jepson and H. M. Hall 1901-5-30 1552 Riverside Temecula R. between Aguanga and Temecula; Temecula R. Comment
  UC572630  Loeseliastrum schottii H. S. Yates 1937-3-23 6398 Riverside 2 mi. n. Palm Springs; San Jacinto Quad. 213 Comment
  SBBG101674  Logfia arizonica S. Boyd with Mistretta 1991-5-22 6313 Riverside Vail Lake, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk Comment
  RSA0094184  Logfia depressa Jim M. Andre 2012-4-11 20694 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  CAS-BOT-BC342279  Logfia filaginoides Peter H. Raven 1958-5-17 12938 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  SD144488  Logfia filaginoides A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19890 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn, along the road. 518 Comment
  UCR85316  Logfia filaginoides A. C. Sanders, George K. Helmkamp, E. A. Helmkamp 1995-3-19 16158 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  UCR75547  Logfia gallica A. C. Sanders 1993-5-17 14067 Riverside San Jacinto Valley, Hemet, south side Florida Ave (Hwy 74) on east side of California Ave. 460 Comment
  SEINET1869745 Image available Lolium rigidum Walter Graves 2002-1 502 -21 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  UCR115430  Lomatium lucidum Scott D. White, D. E. Bramlet 1999-4-22 7245 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  POM78237  Lomatium vaginatum Marcus E. Jones 1982-4-25 s.n. Riverside San Jacinto. Comment
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Dec 8 2013
  SD255699  Lonicera subspicata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3743 Riverside San Jacinto Mountains: San Jacinto River Canyon, along South Fork Trail, halfway between Highway 74 and the bottom of the canyon. 1110 Comment
  UC219569  Lonicera subspicata var. denudata P. A. Munz 1922-6-25 5823 Riverside Hemet Valley to Vandeventer; San Jacinto Mts. 1432 Comment
  UC64322  Lonicera subspicata var. denudata H. M. Hall July, 1901 2529 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  POM229795  Lotus argyraeus var. argyraeus P. A. Munz 1937-5-30 15136 Riverside Santa Rosa Peak. 2409 Comment
  POM12751  Lotus crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley Comment
  UCR178018  Lotus grandiflorus Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 526 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR9383  Lotus grandiflorus D. H. Wilken 1965-6-29 367 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  RSA689499  Lotus hamatus Scott D. White 2001-4-19 8388 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
  UC15660  Lotus heermannii H. M. Hall Jun 1901 2022 b Riverside Shingle Valley San Jacinto Mountains 1341 Comment
  UCR228851  Lotus humistratus A. C. Sanders 2011-4-26 39327 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  UCR250382  Lotus humistratus A. C. Sanders, John F. Green 2014-4-4 40967 Riverside Peninsular Range; Elsinore Trough, N of Elsinore at Alberhill, along Lake St. south of the Temescal Canyon Rd. intersection, 378 Comment
  RSA282916  Lotus nevadensis var. nevadensis C. W. Tilforth, B. Busenberg 1980-6-17 2020 Riverside On slopes south of Toolbox Springs Campground, Thomas Mtn. Road, south of Lake Hemet & west of Highway 74 Comment
  UC864798  Lotus nevadensis var. nevadensis Carl B. Wolf 1932-8-4 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  POM12928  Lotus oblongifolius P. A. Munz 1922-6-27 5853 Riverside Santa Rosa, Santa Rosa Mts. 1982 Comment
  UCR106348  Lotus oblongifolius John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  CLARK-A1528-484  Lotus purshianus Pat Halligan 1968-5-2 Riverside Riverside Comment
  UC864945  Lotus purshianus var. purshianus I. W. Clokey and E. G. Anderson 1935-8-21 6720 Riverside Hemet Lake 1030 Comment
  RSA498792  Lotus rigidus Jack Rempel 1934-3-3 s.n. Riverside Berdoo Canyon, Little San Bernardino Mts. 671 Comment
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Aug 5 2015
  UCR164935  Lotus scoparius subsp. brevialatus T. B. Salvato, John F. Green 2004-5-27 622 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  POM229025  Lotus scoparius var. brevialatus P. A. Munz 1937-5-31 15115 Riverside At Anza Table [Anza Bench] near head of Coyote Canyon. 1067 Comment
  RSA406322  Lotus strigosus Dorothy R. Wolf 1932-3-20 2 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  UCR127355  Lotus strigosus A. C. Sanders, D. Malueg 2003-5-8 26571 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR152517  Lotus strigosus A. C. Sanders 2005-4-22 29602 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR171907  Lotus strigosus John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR173155  Lotus strigosus Abby Sirulnik 2000-4-13 11 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR187510  Lotus strigosus Scott D. White 1995-8-23 3584 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA406327  Lotus strigosus var. strigosus N. C. Cooper 1945-3-25 s.n. Riverside Cottonwood Creek near Aguanga, San Diego & Riverside. Comment
  RSA688834  Lotus strigosus var. strigosus Scott D. White, Michael Honer 2003-4-9 8992 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  SEINET10838370  Lotus tomentellus David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3709 Riverside Found growing in a wash. Indio hills, colorado desert. Near pushawalla. Comment
  HSC92616  Lotus unifoliolatus var. unifoliolatus F. C. Vasek 1964-7-19 6407193 Riverside At Pine Cove, NW of Idyllwild 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
  POM9019  Lotus wrangelianus R. D. Harwood 1920-3-20 3391 Riverside Elsinore, Riverside. Comment
  SEINET2042038 Image available Ludwigia peploides George Helmkamp, E. A. Helmkamp 2000-8-29 5981 Riverside Colorado Desert: S of Mecca, where Lincoln St. Crosses the Whitewater River. Ca. 0.5 mi from the Salton Sea. 67 Comment
  UCR189545  Ludwigia peploides subsp. peploides Fred M. Roberts, S. Leatherman 2007-9-19 6582 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  JOTR33793  Lupinus andersonii La Doux, Tasha, A. Miller 3305 Riverside Joshua Tree National Park. South Lost Horse Valley, along Key's View Road (stop1) 1385 Comment
  CLARK-A1656-890  Lupinus arizonicus Lois Ann Scott 1977-12-23 Riverside Thousand Palms Oasis 137 Comment
  JEPS121502  Lupinus arizonicus Adam C. Schneider with Will Freyman 2014-2-16 408 Riverside East side of Highway 177. Comment
  POM349961  Lupinus arizonicus C. P. Smith 1936-1 2167 Riverside West side of Colorado Desert. -30 Comment
  POM46814  Lupinus arizonicus Mary F. Spencer 1920-3-24 s.n. Riverside Indian Wells. 61 Comment
  RSA703381  Lupinus arizonicus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1407 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA741102  Lupinus bicolor Scott D. White, Justin M. Wood 2008-6-5 12083 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UC1212156  Lupinus bicolor David Dunn 1941-3-29 932 Riverside two mi w Corona; w of Corona Comment
  UC1537129  Lupinus bicolor Gordon H. True Jr. 1935-3-18 124 Riverside hills e Citrus Expt. Station (Box Springs); e of Citrus Expt. Station, Box Springs 365 Comment
  UCR174548  Lupinus bicolor Jennifer H. Jones 2006-6-6 400 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UCR228740  Lupinus bicolor A. C. Sanders, T. B. Salvato 2011-3-28 38815 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  RSA495788  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-11 2887 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA590645  Lupinus bicolor subsp. microphyllus R. Weatherby 1950-4-13 3026 Riverside Hagador Firebreak Comment
  POM2500  Lupinus excubitus var. hallii I. M. Johnston 1918-5-30 1996 Riverside Temescal Canyon 366 Comment
  UCR91657  Lupinus excubitus var. hallii D. L. Banks, Steve Boyd 1995-4-5 146 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail, on terraces of W fork of Arroyo Seco. 573 Comment
  POM312120  Lupinus formosus N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  SD137767  Lupinus hirsutissimus Darin L. Banks 1995-4-11 175 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the Dripping Springs Trail 950 Comment
  CLARK-A1045-333  Lupinus longifolius George K. Helmkamp 1978-5-2 Riverside Bautista Canyon along Bautista Road; Hemet 15'Q Comment
  UCR1038  Lupinus microcarpus var. densiflorus J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Valley, along San Jacinto River wash, 3 mi. SE of San Jacinto on Mountain Avenue. 494 Comment
  POM280804  Lupinus pallidus Henry J. Ramsey, Henry J. Ramsey 1940-4-14 s.n. Riverside 50 miles N of Blythe Comment
  CLARK-A1528-4873  Lupinus sparsiflorus John C. Roos 1937-3-23 434 Riverside Whitewater Comment
  RSA775449  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4409 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UCSB3404  Lupinus sparsiflorus Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
  RSA591823  Lupinus sparsiflorus subsp. sparsiflorus E. W. Lathrop 1966-3-20 6069 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and Tenaja Guard Station, Trabuco District. Comment
  RSA525461  Lupinus truncatus Steve D. Boyd, David E. Bramlet 1990-4-29 4507 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA673477  Lupinus truncatus Scott D. White, Tasha La Doux 2000-4-20 7694 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SFV9217  Lupinus truncatus J. H. Lane 1972-4-9 66 Riverside Pauba Valley in vicinity of Temecula. Highway 71, 1 road mile west of junction of Highway 395 and Highway 71. Slope of low hills to east of road. Comment
  CAS-BOT-BC231420  Lycium andersonii C. F. B. 1904-4-4 4145 Riverside Elsinore Comment
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Sep 3 2017
  POM13044  Lycium andersonii Philip A. Munz, D. D. Keck 1922-4-9 4850 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 427 Comment
  UCR139389  Lycium andersonii P. A. Munz 1949-4-11 12999 Riverside Mojave Desert, eastern end of Joshua Tree National Monument 945 Comment
  UC179043  Lycium cooperi S. B. and W. F. Parish Apr 1882 Riverside Morongo Pass Comment
  UCR37667  Lycium torreyi J. M. Stewart 1984-11-11 8449 Riverside Sonoran (Colorado) Desert, Biskra Palms Oasis, Indio Hills, Coachella Valley 91 Comment
  UCR149982  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA617822  Lythrum hyssopifolia R. E. Riefner Jr. 1998-5-15 98 -304 Riverside Elsinore Trough between Willard and Murrieta Creek, Lake Elsinore. Comment
  RSA160567  Machaeranthera asteroides J. D. Olmsted 1959-9-23 1007 Riverside 4 miles S of Hemet Lake on Hwy. 74, San Jacinto Mts. 1387 Comment
  IRVC27407  Machaeranthera canescens A. C. Sanders, Scott D. White, C. L. Sanders 1994-12-18 15897 Riverside eastern edge of San Jacinto, Mountain Avenue at Esplanade Avenue, 2.4 mi. NW of Hwy 74 on Mountain Ave. San Jacinto Valley 490 Comment
  UCR20174  Machaeranthera canescens subsp. ziegleri Jeanine Derby, T. P. Krantz 1977-1 s.n. Riverside Santa Rosa Mtns, Santa Rosa Mountain, along [Forest Service Road] 7S02 to summit Comment
  RSA674531  Madia gracilis Scott D. White, Sandy Leatherman 2000-5-31 7989 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR89766  Madia gracilis Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3344 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA463262  Mahonia nevinii L. F. LaPre, K. Campbell 1988-1-22 s.n. Riverside Tonan property, along Temecula Creek on old Vail Ranch, E of Temecula. Comment
  UCR98702  Malacothamnus densiflorus S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  SEINET4083442  Malacothamnus fasciculatus O. M. Clark 1932-1 5106 Riverside South Hemet. Comment
  UCR201462  Malacothamnus fasciculatus Scott D. White, Justin M. Wood 2008-7-10 12444 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  JOTR33975  Malacothrix glabrata La Doux, Tasha, M. Harding 2010-4-7 2863 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
  POM362315  Malacothrix glabrata N. C. Cooper 1949-3-15 3171 Riverside North of Palm Springs. 121 Comment
  POM362335  Malacothrix glabrata M. B. Dunkle 1935-3-31 4447 Riverside N Cottonwood Springs. 762 Comment
  UCR133951  Malacothrix glabrata Mitch Provance, J. S. Ross 1998-3-27 MOR- 978 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  SEINET10908382  Malacothrix glabrata David B. Dunn 1948-3-14 Dunn 3776 Riverside Chickory; flat open sands near Hidden Springs Ranch. 3 miles south of the Indio Hills, Colorado Desert. Comment
  CAS-BOT-BC348026  Malacothrix stebbinsii Carl B. Wolf 1941-4-28 10092 Riverside Mojave Desert. S. base of Old Dad-Granite Mt. Range. Mouth of Willow Spring Canyon 1219 Comment
  UCR82222  Malva parviflora J. M. Stewart 1994-5-2 840 Riverside Western Colorado Desert, Coachella Valley, Thermal, Highway 86 and Airport Blvd. Comment
  RSA19893  Malvella leprosa Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37573 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  RSA0006230  Mammillaria tetrancistra Lyman Benson 1957-4-3 15716 Riverside 1/2 mile above the mouth of Whitewater Canyon. San Bernardino Mountains; Salton Sea Drainage 579 Comment
  CAS-BOT-BC218949  Marina parryi Ira L. Wiggins 1941-3-27 9672 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  RSA0019015  Marina parryi Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6039 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  RSA607362  Marina parryi R. S. Woglum 1939-4-11 2229 Riverside Sonora Desert: Rice to Parker. Comment
  UC1552122  Marina parryi Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, and T. Ross 1988-3-10 2131 Riverside 2 mi w Palen Pass; Palen Mts. 300 Comment
  UCSB59678  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  SBBG121984  Marrubium vulgare S. D. White, A. Carey 2004-5-7 10335 Riverside Indian Crk and adjacent foothills 549 Comment
  SEINET244843  Marrubium vulgare A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24936 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont 610 Comment
  UC1979543  Marrubium vulgare Darin L. Banks, Steve Boyd 1995-5-3 230 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  RSA593887  Matricaria occidentalis Steve Boyd, David E. Bramlet 1996-4-19 8613 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR139035  Medicago polymorpha D. L. Banks, V. W. Steinmann 1997-3-13 1437 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR226048  Melica frutescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38765 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  HSC10353  Melica imperfecta C. L. Hitchcock, C. V. muhlick 1964-3-17 23101 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
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Jul 9 2010
  RSA27236  Melica imperfecta C. L. Hitchcock 1940-4-12 6042 Riverside 8 mi. northwest of Elsinore 457 Comment
  SD260875  Melica imperfecta Mitch Provance 2012-5-24 512 15 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
  UC1537222  Melica imperfecta Gordon H. True Jr. 1935-3-14 106 Riverside Gavilan Hills 609 Comment
  UCR181626  Melica imperfecta Mitch Provance 2004-5-1 7605 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  UC1537076  Melilotus indicus Gordon H. True Jr. 1935-4-11 230 Riverside Gavilan Hills 609 Comment
  UCR241210  Melilotus indicus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 02 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  UCR49991  Melilotus indicus S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  RSA594036  Melilotus indicus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0926 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
  RSA735068  Mentha suaveolens Scott D. White, Angelia Carey 2004-6-4 10473 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  SBBG101740  Mentzelia affinis S. Boyd, D. Bramlet 1991-5-13 6257 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; vicinity of ultramafic outcrop on ridge top S of S-end of Warren Rd 548 Comment
  RSA457752  Mentzelia californica Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2113 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR232388  Mentzelia desertorum Dave Silverman, Onkar Singh 2010-3-27 7854 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, west of A Canal/Levee Blvd, & c. 7.6 km N of Blythe Airport 136 Comment
  JOTR32038  Mentzelia involucrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2268 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  SEINET3005067  Mentzelia involucrata G. Rink 2011-5-1 10505 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  POM126804  Mentzelia involucrata var. megalantha E. E. Schellenger s.n. Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  SEINET7048064  Mentzelia involucrata var. megalantha Steven R. Hill 2001-4-29 33541 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UCR199577  Mentzelia laevicaulis Scott D. White, Angelia Carey 2004-7-2 10580 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UC499863  Mentzelia longiloba Roxana S. Ferris and R. Bacigalupi 1932-4-30 8240 Riverside Between Blythe and Desert Center (along Highway.) Comment
  UC724205  Mentzelia longiloba Aven and Ruth Nelson 1939-3-30 3336 Riverside near Desert Center (hiway 60) Comment
  RSA554371  Mentzelia nitens Theo Glenn 1991-4-9 91 -137 Riverside Big wash in Eagle Mountains 787 Comment
  SBBG4879  Mentzelia nitens H. and M. Dearing 1949-4-16 6749 Riverside Cottonwood Spring Comment
  JOTR33956  Mentzelia veatchiana La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2842 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA192016  Mentzelia veatchiana E. W. Lathrop 1959-4-16 4446 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  RSA772021  Mentzelia veatchiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4948 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
  SDSU8093  Mentzelia veatchiana H. Wedberg 1962-4-20 914 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  RSA387358  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
  RSA714427  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 378 Comment
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Jul 8 2009
  UCR275583  Mesembryanthemum nodiflorum T. B. Salvato 2005-6-13 605- 11 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  CLARK-A1656-751  Micropus californicus Theo Glenn 1979-3-31 Riverside San Jacinto Mountains Comment
  UC1595584  Microseris heterocarpa Steve Boyd and Orlando Mistretta 1991-5-9 6184 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBride Canyons. 548 Comment
  RSA666635  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23876 Riverside Temecula, along east side of pipeline NE of Long Canyon, W of San Diego Aqueduct. 381 Comment
  RSA0018764  Mimetanthe pilosa Robert F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38098 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  RSA0018779  Mimetanthe pilosa Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2151 Riverside Santa Rosa Mountains. Comment
  UC1979589  Mimulus aurantiacus D. L Banks, Steve Boyd 1995-6-2 0560 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 miles S of the clay grassland in section 32. Comment
  UC943879  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 C Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UCR149863  Mimulus aurantiacus var. pubescens Scott D. White, Michael Honer 2004-4-6 10042 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UCR161407  Mimulus aurantiacus var. pubescens A. C. Sanders, Mike Misenhelter 2005-9-20 31671 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR220004  Mimulus aurantiacus var. pubescens A. C. Sanders 2010-11-18 38689 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  RSA82107  Mimulus aurantiacus var. puniceus F. W. Peirson 1925-5-20 6014 Riverside 1 mile northwest of Dripping Spring, east of Temecula. 457 Comment
  UCR90980  Mimulus aurantiacus var. puniceus Scott D. White 1996-3-16 3822 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR72436  Mimulus breweri Steve Morgan, H. M. Soldan 1992-5-23 92- 01 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, about 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), 0.2 mi south of Santa Rosa Camp [not Santa Rosa Spring, which is about 0.5 mi further south of 7S02] 2256 Comment
  CAS-BOT-BC9460  Mimulus diffusus Philip Alexander Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mtns. 1676 Comment
  RSA614599  Mimulus floribundus A. C. Sanders, Steve Ogg 1994-7-28 15182 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 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
  UC597599  Mimulus palmeri Philip A. Munz 1937-5-30 15092 Riverside n Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  RSA544419  Mimulus pilosus Steve Boyd, Tim S. Ross 1991-6-14 6387 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UC26917  Mimulus pilosus H. M. Hall 1901-7 2586 Riverside Tamarack Valley San Jacinto Mountains 2499 Comment
  UCR113885  Mimulus pilosus Mitch Provance 2000-6-24 2041 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR167934  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-23 1324 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR193982  Mimulus pilosus A. C. Sanders 2008-7-25 35900 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  CAS-BOT-BC388774  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  RSA747833  Mirabilis bigelovii Scott D. White, Justin M. Wood 2009-4-29 12624 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA0110425  Mirabilis bigelovii var. bigelovii Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54022 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
  UCR226606  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-18 15818 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR115410  Mirabilis californica Mitch Provance 1999-4-3 1753 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  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
  RSA775221  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4439 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  JEPS61346  Mirabilis laevis var. crassifolia Marjorie D. Clary 1932-3-20 1680 Riverside Mission Creek, NW of Garnet 457 Comment
  RSA708059  Mirabilis laevis var. crassifolia Scott D. White, Angelia Carey 2004-4-16 10179 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  SEINET3142545  Mirabilis laevis var. crassifolia N. C. Cooper 1944-3-25 1009 Riverside Cabazon 457 Comment
  CAS-BOT-BC434825  Mirabilis laevis var. retrorsa Javier Penalosa 1963-4-11 2812 Riverside Pines-to-Palms Highway (#74) above Palm Desert. 762 Comment
  RSA464243  Mirabilis laevis var. villosa N. C. Cooper 1945-5-6 2257 Riverside Banning. 701 Comment
  SD216505  Mirabilis multiflora Jay B. Walker 1995-5-4 1413 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  RSA700904  Mirabilis multiflora var. pubescens Keith E. Hoffmaster 1937-6-6 s.n. Riverside Pinon Flat Comment
  RSA82951  Mirabilis multiflora var. pubescens R. M. Straw 1953-6-4 439 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
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Nov 19 2011
  CHSC1081  Mirabilis tenuiloba V. Holt 1942-3-27 Riverside Santa Rosa mountains. Comment
  JOTR38682  Mohavea confertiflora Hodges, Stephen R. 2017-2-7 698 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  POM13891  Mohavea confertiflora Philip A. Munz, D. D. Keck 1922-4-9 4825 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA0049856  Mohavea confertiflora Jim Andre 2014-1-27 26665 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA408765  Mohavea confertiflora M. B. Dunkle 1933-3-4 3049 Riverside Painted Canyon 30 Comment
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May 20 2014
  RSA457757  Mohavea confertiflora Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2118 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA726522  Mohavea confertiflora Naomi S. Fraga, Lisa Rojas 2005-2-10 1399 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC196564  Mohavea confertiflora Joseph Grinnell 1910-3-17 Riverside Riverside Mountain, Colorado River Colorado River; Riverside Mountain, Colorado River Comment
  UCD124028  Mohavea confertiflora Geoffrey Levin 1975-4-5 474 Riverside Box Canyon Wash on State Highway 195, 18.3 mi. NE of Jcn. Of 195 and 111 (Mecca). Between Mecca Hills and Orocopia Mountains. 30 Comment
  UCR22484  Mohavea confertiflora C. S. Jones 1979-3-27 48 Riverside Sonoran (Colorado) Desert, in SE facing canyon about 300 yards from unnamed dirt road approximately 5 mi. north of I-10, 4 mi. west of Desert Center 427 Comment
  RSA83412  Monardella australis subsp. australis F. W. Peirson 1924-7-27 4993 Riverside Near lower part of Deer Springs, Dark Canyon, San Jacinto Mts. 2591 Comment
  CAS-BOT-BC220027  Monardella breweri subsp. lanceolata Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula Comment
  JEPS63324  Monardella breweri subsp. lanceolata Marjorie D. Clary 1932-8-21 978 Riverside Hemet Lake, Hemet Valley 1341 Comment
  LA62742  Monardella linoides subsp. linoides Elizabeth McClintock; 1940-5-26 sn Riverside about 3 mi W of Pinon Flats, Pines to Palms Hwy Comment
  UCR201441  Monardella linoides subsp. linoides Scott D. White, Justin M. Wood 2008-7-10 12457 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  CHSC21752  Monardella macrantha subsp. hallii Robert A. Schlising 1968-8-17 2906 Riverside On trail to San Jacinto Peak, above Marian Mt. campground. Comment
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Jul 22 2020
  UC25485 Image available Monardella macrantha subsp. hallii H. M. Hall 1898-7-4 976 Riverside canyon of San Jacinto River San Jacinto Mountains 1310 Comment
  UC1499859  Monardella nana Elizabeth McClintock 1940-5-19 6 Riverside 1/2 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  UC2035999  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  RSA651658  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 107 Riverside San Jacinto Mountains. Trail to Deer Springs, a short distance below first spring which crosses trail. Comment
  RSA651660  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 81 Riverside Santa Rosa Peak 2454 Comment
  UCR221470  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 127 Riverside Peninsular Range; San Jacinto Mtns., trail to Hidden Lake, along rocky slopes of switchbacks 2439 Comment
  UCSC001505  Monardella nana subsp. tenuiflora Peter Kamb 1947-6-7 576 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  UCR121351  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24609 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  RSA4890  Monoptilon bellioides C. B. Wolf 1932-4-27 3006 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA81012  Monoptilon bellioides G. R. Campbell 1952-4-5 18367 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  SBBG15883  Monoptilon bellioides R. Gunnerson 1953-3-21 130 Riverside ca. 9 mi E of Indio Comment
  UC1069984  Monoptilon bellioides H. S. Yates 1936-4-7 5425 Riverside near Whitewater; San Jacinto Quadrangle Comment
  UC68933  Monoptilon bellioides H. M. Hall May 1905 5989 Riverside near Indio; Colorado Desert Comment
  UCD134630  Monoptilon bellioides David Charlton 1988-2-18 1144 Riverside Alluvial Fan, south side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10. 1 mile east of Jct Dillon Road and Fargo Canyon Road. 609 Comment
  UCR165265  Monoptilon bellioides 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
  UCR251667  Monoptilon bellioides Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 764 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA254372  Montia fontana E. W. Lathrop 1975-5-4 5450 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Burro, 3.0 miles W of Murrieta. Comment
  UCR25388  Muhlenbergia californica John C. Roos 1937-8-23 467 Riverside San Jacinto Mtns, north base of Mt. San Jacinto, Snow Creek 762 Comment
  CAS-BOT-BC267021  Muhlenbergia filiformis Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountain 1828 Comment
  CLARK-A1528-4754  Muhlenbergia microsperma John C. Roos 1952-4-9 5507 Riverside Riverside 365 Comment
  LA9666  Muhlenbergia microsperma A. M. Duran; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
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Mar 9 2014
  SDSU13960  Muhlenbergia microsperma Michael G. Simpson 2000-5-13 2117 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  UCR174253  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato 2006-6-2 33070 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA550483  Myosurus minimus subsp. apus D. E. Bramlet 1992-4-29 2255 Riverside The site is approximately 8 km southwest of Hemet. The vernal pools are located northwest of the intersection California Ave. and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Road and some 20-700 ft west of California Ave. 456 Comment
  UCR85643  Myosurus minimus subsp. apus A. C. Sanders 1993-4-5 13691 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCR280989  Myosurus minimus var. apus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517- 57 Riverside Elsinore Trough, Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the the San Jacinto River 387 Comment
  SD82647  Myriopteris parryi Louis C. Wheeler 1933-12-2 2305 Riverside Mouth of Tahquitz Canyon near Palm Springs 142 Comment
  CLARK-A1528-546  Nama demissa Fred B. Essig 1967-3-12 Riverside Joshua Tree National Park Comment
  RSA33376  Nama demissa N. C. Cooper 1944-3-25 1036 Riverside Morongo Pass. 457 Comment
  UCR148470  Nama demissa S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR23564  Nama demissa John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  RSA4889  Nama demissa var. deserti Carl B. Wolf 1932-4-27 3005 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  SD148142  Nama stenocarpa D. E. Bramlet, Et al. 1999-10-15 2817 Riverside 198 m S of Gilman Hot Springs Road, 1.22 km NW of Hwy 79 and 2.1 km S of Jackrabbit Trail 433 Comment
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Mar 21 2011
  POM147631  Nassella lepida F. M. Reed 1926-5-20 5346 Riverside Summit of Rainbow Canyon, near San Diego County Line on Inland Highway. Comment
  POM158438  Nassella lepida P. A. Munz 1927-5-21 10882 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  RSA714958  Nassella lepida Sarah J. De Groot, Beth Kempton 2006-3-16 5210 Riverside San Jacinto Mountains: Dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 658 Comment
  UCD87689  Nassella pulchra Scott D. White; Michael Honer 2004-4-6 10060 Riverside Perris/Elsinore Basins. Temescal Valley, just north of the I-15 freeway and east of Indian Truck Trail, south and est of Lee Lake. 335 Comment
  UCR88170  Navarretia fossalis Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Rancho del Rio, south of Nuevo Rd. and east of Dunlap Dr. 433 Comment
  CLARK-A1045-156  Navarretia prostrata George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  POM122127  Nemacaulis denudata var. denudata S. B. Parish 1906-5-1 s.n. Riverside Palm Springs. Comment
  UCR279408  Nemacladus A. C. Sanders, Jim Malusa 2017-3-25 42995 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  RSA0126316  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-19 1700 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA0126341  Nemacladus longiflorus var. longiflorus E. C. Jaeger 1921-7-7 1178 Riverside Tahquitz trail. Comment
  UCR30095  Nemacladus orientalis George K. Helmkamp 1983-4-5 483- 44 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  POM11738  Nemacladus ramosissimus P. A. Munz, I. M. Johnston 1922-5-18 5320 Riverside 3 miles south of Murrieta. Comment
  RSA692242  Nemacladus ramosissimus Scott D. White, Michael Honer 2003-5-27 9407 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
  RSA75139  Nemacladus rubescens F. W. Peirson 1926-1-31 6486 Riverside About 2 miles from Dos Palmas on road to Mecca, Colorado Desert. Comment
  RSA774903  Nemacladus tenuis var. aliformis Duncan S. Bell, Amber Swanson 2011-2-18 2042 Riverside Mecca Hills; in a narrow canyon on the west side of Box Canyon Road not far from Shavers Well. 289 Comment
  POM13005  Nemophila menziesii P. A. Munz, D. M. Johnston 1922-5-19 5426 Riverside Keen Canyon, San Jacinto Mountains. 1524 Comment
  UCD120217  Nemophila menziesii Geoffrey Levin 1975-4-26 491 Riverside Mayhew Canyon 1.5 mi. southeast of Glen Ivy on Highway 71. 335 Comment
  UCR96702  Nemophila menziesii A. C. Sanders 1997-3-1 19724 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SEINET270112 Image available Neogaerrhinum strictum Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains Indian Portero Trail south from Verdugo Portero to Indian Portero on ridge between Talega 610 Comment
  UCD121389  Nerium oleander A. C. Sanders 2000-12-17 23729 Riverside San Bernardino Valley/upper Santa Ana River region: Corona, SW side of I-15, between Taber and Ontario Streets. 277 Comment
  RSA426661  Nicotiana attenuata Gale Sphon 1955-06 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA0060149  Nicotiana clevelandii D. L. Banks, Steve D. Boyd 1995-10-17 813 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns to the E., Just W of the Metasedimentary hills. 524 Comment
  HSC82909  Nicotiana obtusifolia Christopher Davidson 1979-4-4 7737 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  SBBG25237  Nicotiana obtusifolia Leota Davidson 1965-5-12 193 Riverside beside rd near Jumbo Cmpgrd, Joshua Tree Nat Monument Comment
  UCR128939  Nicotiana obtusifolia Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR251641  Nicotiana obtusifolia Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 782 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  RSA0060152  Nicotiana quadrivalvis Scott D. White 2005-7-6 11156 Riverside San Gorgonio Pass: Cabazon. Toeslope of San Jacinto Mtns. and adjacent alluvial fan west of San Gorgonio River and south of I-10 Freeway. 579 Comment
  UCR166710  Nicotiana quadrivalvis Scott D. White 2005-7-6 11156 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  CAS-BOT-BC71165  Notholaena californica M. E. P. Hawver 1917-3-29 s.n. Riverside Tahquitz Canyon, Palm Springs Comment
  RSA85863  Notholaena californica subsp. californica F. W. Peirson 1922-5-21 3053 Riverside about 4 miles north of San Jacinto 457 Comment
  CLARK-A1528-3541  Notholaena newberryi John C. Roos 1936-11-21 Riverside La Sierra Comment
  UCR132749  Notholaena parryi Scott D. White 1993-2-5 1048 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  POM3327  Oenanthe sarmentosa D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
  RSA338178  Oenothera californica subsp. californica Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53586 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  UCR214560  Oenothera deltoides A. C. Sanders 2010-3-15 37412 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
  POM66421  Oenothera deltoides subsp. deltoides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA0048795  Oenothera deltoides subsp. deltoides Jim Andre 2013-3-27 24807 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 241 Comment
  UC1252002  Oenothera deltoides subsp. deltoides William M. Klein 1959-3-1 805 Riverside along La Quinta Rd 0.5 mi s junction of U.S. Highway 60-99 (about 6 mi nw of Indio); Bermuda Dunes 60 Comment
  UC20555  Oenothera deltoides subsp. deltoides S. B. Parish Apr 4 1896-Apr 13 1896 4107 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mt. 152 Comment
  UCR114327  Oenothera rosea Mitch Provance 2000-9-28 2264 Riverside UCR Campus, S side of Linden St., across from the Parking Services building. 335 Comment
  UCSB4343  Oenothera sinuosa Koran, John 1958-4-14 Riverside 14.2 mi. W. of HWY111 on HWY 74; just outside of Palm Desert 609 Comment
  SEINET7259110 Image available Oligomeris linifolia Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-1 6417 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  UC310592  Oligomeris linifolia Philip A. Munz 1926-1-31 9970 Riverside Dos Palmas Spring; Colorado Desert, Dos Palmas Spring Comment
  RSA803269  Olneya tesota April Garbat, Kristin Forgrave 2013-5-29 76 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  SD72205  Olneya tesota C. W. Tilforth 1967-6-5 120 Riverside 2.0 miles west of Blythe, eastern-central Riverside County. Comment
  RSA792123  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 -61 Riverside French Valley, immediately northeast of Hwy 79 and the intersection with Algarve Avenue 415 Comment
  UCR181957  Oncosiphon piluliferum Mitch Provance 2003-4-18 6607 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 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
  CAS-BOT-BC56829  Opuntia chlorotica Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  POM294970  Opuntia echinocarpa David Griffiths 1908-08 s.n. Riverside Banning. Comment
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Mar 21 2011
  RSA696232  Opuntia echinocarpa Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  RSA22794  Opuntia parryi C. B. Wolf 1939-2-24 9491 Riverside 2.4 miles north of Aguanga on road to Anza. 762 Comment
  SEINET889847  Opuntia parryi Carl B. Wolf 1939-1 3391 Riverside 4/10 miles N. of Aguanga on road to Anza 762 Comment
  POM20705  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1938-9-29 9458 Riverside Desert slope of San Jacinto Range, Upper edge of Pinyon flat on the Palms to Pines Highway. 1220 Comment
  RSA757047  Orcuttia californica D. E. Bramlet, Rick Riefner 2005-5-17 3856 Riverside Stowe vernal pool. The site is located 152m N of Stowe Rd. & 213m W of California Ave. The pools are located 8km west of Hemet. 456 Comment
  RSA740920  Orobanche californica subsp. feudgei Justin M. Wood, Brandy N. Ulrich 2008-7-14 18 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  CAS-BOT-BC499740  Orobanche californica subsp. feudgei H. M. Hall 1901-6-1 2135 Riverside San Jacinto Mountains, eastern base, along the borders of the Colorado Desert Comment
  JEPS121039  Orobanche cooperi Adam C. Schneider with Will Freyman 2014-2-15 415 Riverside West side of Highway 177. Comment
  JEPS121580  Orobanche cooperi Adam C. Schneider with Will Freyman 2014-2-16 414 Riverside West side of Highway 177. Comment
  RSA788726  Orobanche cooperi Duncan S. Bell 2012-3-8 3153 Riverside Southern section of the Mecca Hills, approximately 2 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 68 Comment
  RSA801949  Orobanche fasciculata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6160 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  SEINET12766525  Orthocarpus bracteosus N. Duane Atwood, L. Stritch 1993-4-2 17901 A Riverside Santa Rosa Plateau TNC Preserve and adjacent to BLM administrated lands.; 0 671 Comment
  CLARK-A1528-871  Orthocarpus densiflorus Charlotte Stocks 1962-5-14 Riverside Anza Comment
  RSA0034673  Oryzopsis hymenoides Norman C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  SD133205  Osmorhiza brachypoda Scott White 1991-5-13 91 105 Riverside Highway 79, west of United States Forest Service Campground at DrippingSprings. 550 Comment
  UCR165195  Oxytheca caryophylloides Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Highway 243, turnoff to Black Mtn. Road, c. 2 mi SE of Lake Fulmor 1643 Comment
  POM13102  Oxytheca emarginata P. A. Munz, Johnston 1922-5-20 5495 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  RSA553952  Oxytheca emarginata G. R. Ballmer 1991-6-22 s.n. Riverside SE end of Garner Valley, on Pacific Crest trail, 2-3 miles N of jct. with Hwy 74; in vicinity of Bull Canyon Comment
  UC1287050  Paeonia californica C. L. Hitchcock 1966-3-15 24165 Riverside about 10 mi ne Temecula Comment
  UCR138812  Paeonia californica D. L. Banks, J. Moreno 1997-2-5 1260 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  UCR91597  Paeonia californica D. L. Banks, Steve Boyd 1995-3-15 0066 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  HSC6042  Palafoxia arida R. A. Eagle 1964-3-28 16 Riverside 2 mi. this side of Palm Springs Comment
  SEINET3148312  Palafoxia arida S. B. Parish 1907-4-19 6098 Riverside Western border of the Colorado desert 150 Comment
  UCD134891  Palafoxia arida Elizabeth Milauskas 1994-5-7 8 Riverside in Palm Springs on the Agua Calinete Indian Reservation. 4 blocks west of Via Monte Vista behind the dam. 161 Comment
  UCR166004  Palafoxia arida Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCSB18115  Palafoxia arida var. arida Flinck, Al 1964-5-17 Riverside State Highway 74, 11 miles S of State Highway 111 Comment
  RSA600855  Palafoxia linearis Marjorie D. Clary 1937-4-18 2776 Riverside Colorado Desert: Entrance to Thousand Palms Canyon; about 10 miles NW of Indio. 182 Comment
  RSA445556  Papaver californicum Robert Gustafson 1983-4-18 2497 Riverside Clinton Keith Rd. about 2.5 miles from its junction with Hwy 15, eastern slopes of the Santa Ana Mtns. 457 Comment
  VVC365  Papaver californicum A. C. Sanders, P. Jmac 1997-5-4 20631 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA92743  Papaver californicum J. C. Roos 1952-5-19 5692 Riverside On hills north of Moreno. Comment
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May 20 2011
  UCD170911  Parietaria hespera A. C. Sanders 2014-4-8 40973 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
  UCR214015  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37793 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
  UCR92768  Parietaria hespera var. californica F. M. Reed 1908-3-29 2297 Riverside W slope of Box Springs Mtns 518 Comment
  RSA0123682  Parietaria hespera var. hespera Duncan S. Bell, LeRoy Gross 2016-3-9 8859 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  UCR67370  Parietaria hespera var. hespera Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3965 B Riverside Peninsular Range, Vail Lake area, westerly draining canyon at N base of 'Big' Oak Mtn. 674 Comment
  UCR33644  Parkinsonia aculeata Faulkner 1978-4-27 478 Riverside Sonoran (Colorado) Desert, 3 miles east of Blythe 137 Comment
  UCR163090  Parkinsonia florida B. G. Pitzer 2000-5-7 4143 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  SEINET3131702  Parkinsonia torreyana G. B. Grant 1906-1 910 -6723 Riverside Palm Springs Comment
  UCD88694  Paspalum notatum Leslie L. Ede 1972-8-1 s.n. Riverside Blythe. Comment
  UCR96202  Passiflora caerulea A. C. Sanders 1996-3-14 17973 Riverside Riverside, east side of UCR campus in the canyon below the Botanic Garden 335 Comment
  RSA339330  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53567 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains 1098 Comment
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Apr 25 2011
  RSA781998  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-10-18 119 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  SEINET10799086  Pectis papposa David B. Dunn 1946-8-17 Dunn 2719 Riverside Round meadow dry hillside among Lodge Pole Pines. San Jacinto Mts. 2438 Comment
  RSA0078487  Pectis papposa var. papposa Sarah J. De Groot, Duncan S. Bell 2015-9-21 7585 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  RSA0087459  Pectis papposa var. papposa Sarah J. De Groot, Amy Rouillard 2015-9-15 7571 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA683915  Pectis papposa var. papposa Michael Denslow 2003-9-13 1547 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. (Cottonwood Spring Quad) 470 Comment
  CAS-BOT-BC169754  Pectocarya anisocarpa W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside 5 miles S of Winchester Comment
  UCR116624  Pectocarya anisocarpa A. C. Sanders 2001-3-20 23852 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  RSA0035940  Pectocarya heterocarpa Deidre Conocchioli, Sarah J. De Groot 2014-1-23 133 Riverside Just off HWY-62 E of 29 Palms. 2.8 miles W of HWY-177, E of the Colorodo River. 104 Comment
  UCD80955  Pectocarya heterocarpa Chuck Hughes 2009-3-23 60 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR214558  Pectocarya heterocarpa A. C. Sanders 2010-3-15 37418 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  RSA716400  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR126438  Pectocarya linearis T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 65 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  UCR171952  Pectocarya linearis John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR84650  Pectocarya linearis Scott D. White, S. Ogg 1994-4-21 1992 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA543761  Pectocarya linearis subsp. ferocula Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6061 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
  RSA702735  Pectocarya penicillata Scott D. White, Michael Honer 2004-4-6 10052 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR228914  Pectocarya penicillata A. C. Sanders 2011-4-7 39029 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCD120139  Pectocarya platycarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  UCR213267  Pectocarya platycarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37440 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  SD70779  Pectocarya recurvata D. B. Dunn, Shogo, Schroeder, Bruskin and Folsom 1948-3-13 3723 Riverside Indio Hills, Colorado Desert, near Pushawalla. Comment
  POM292498  Pediomelum californicum Philip A. Munz 1937-5-29 15104 Riverside Public Camp ground at Nightengales [store near Pinyon Flats, camp = P. F. Public Camp], on Palms to Pines Hwy. 1220 Comment
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Dec 18 2011
  RSA686925  Pellaea mucronata P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  UCR158640  Pellaea mucronata S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  UCR17580  Pellaea mucronata var. californica N. R. Zabriskie, J. Zabriskie 1971-4-9 362 Riverside Peninsular Range; Santa Rosa Mtns., north slope of mtns., Deep Canyon, c. 2 mi. up water service road leading south of Hwy 74. Site 2 1311 Comment
  RSA523503  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3963 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  UC1080396  Pellaea mucronata var. mucronata E. K. Balls and P. C. Everett 1957-8-20 22673 Riverside 14.7 mi sw and w along State Hwy 74 from Palm Village (junction with State Hwy 111) 1127 Comment
  UC809637  Pellaea mucronata var. mucronata Philip A. Munz 1949-4-13 13048 Riverside above Cottonwood Springs; Colorado Desert, w end Eagle Mts 1097 Comment
  RSA0050332  Pennisetum setaceum Lynn Sweet, Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/ Sonoran Desert; Santa Rosa Mtns.: UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon. 335 Comment
  CAS-BOT-BC227212  Pennisetum villosum T. B. Salvato 2000-8-22 020 Riverside Peninsular Range: Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  CHSC1849  Penstemon antirrhinoides E. Thomas 1940-3-10 Riverside San Jacinto Foothills. Comment
  RSA184663  Penstemon clevelandii subsp. connatus L. B. Ziegler 1966-6-1 s.n. Riverside Near old Kenworthy Mine, Kenworthy Ranger Station, Hemet Valley 1524 Comment
  POM250043  Penstemon eatonii E. C. Jaeger 1939-5-20 s.n. Riverside Falcon Flats, 20 miles south of Warren's Well 1220 Comment
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Oct 30 2012
  RSA97164  Penstemon grinnellii R. M. Straw 1953-6-25 486 Riverside S.W. slope of Santa Rosa Mtns., Mt. Home Spring. 2134 Comment
  SBBG54340  Penstemon labrosus C. Davidson 1978-6-15 7386 Riverside trail to top, Santa Rosa Peak 2407 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
  RSA2593  Penstemon spectabilis J. T. Howell 1928-7-9 1061 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  UCR199572  Penstemon spectabilis Scott D. White, Angelia Carey 2004-7-2 10592 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR98677  Penstemon spectabilis S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA97001  Penstemon spectabilis R. M. Straw 1953-6-25 485 Riverside Northwest slope of Santa Rosa Mts., along truck trail. 1829 Comment
  SBBG133365  Pentachaeta aurea S. D. White, J. M. Wood 2008-5-15 11987 Riverside Johnson Meadow, San Jacinto Mtns 1415 Comment
  UC63193  Pentachaeta aurea H. M. Hall June, 1901 Riverside Chalk Hill San Jacinto Mountains 1524 Comment
  UCR122535  Pentachaeta aurea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6661 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  IRVC19373  Pentagramma triangularis subsp. triangularis R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  SDSU1431  Peritoma arborea Marjorie Collier 1951-3-25 M 209 Riverside Palm Canyon 5 miles south of Palm Springs. Comment
  UCR239222  Peritoma arborea Thomas R. Stoughton, E. Gardner, D. Bell 2010-11-12 716 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail, west of White Water Canyon, north of the junction of Hwy I-10 and Rte 111 732 Comment
  CAS-BOT-BC356001  Perityle emoryi Alice Eastwood 1913-4-30 2977 Riverside Palm Springs Comment
  POM122891  Perityle emoryi Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA480022  Perityle emoryi Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2153 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA608393  Perityle emoryi L. S. Rose 1935-12-23 35687 Riverside Above Deep Canyon, San Jacinto Mts, 13 miles S of Cathedral City. 610 Comment
  RSA758331  Perityle emoryi Doug Goldman 2005-3-3 3041 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UC1070053  Perityle emoryi H. S. Yates 1937-3-24 6473 Riverside near mouth Deep Canyon; Thermal Quad. Comment
  RSA0021423  Perityle emoryi A. L. Haines 1973-3-25 s.n. Riverside Orocopia Mountains 473 Comment
  SEINET10800179  Perityle emoryi David B. Dunn 1946-3-15 Dunn 2054 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  RSA445159  Petalonyx thurberi Donald Myrick 1968-3-4 1802 Riverside On desert at Desert Hot Springs. 305 Comment
  UCD117307  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. 243 Comment
  UCR79823  Petunia X atkinsiana Michael A. Patten 1992-5-14 92- 04 Riverside Peninsular Range, Between Highway I-215 and Wolf Valley, c. 0.5 mi SE of the Highway at Temecula Creek, near Pala Road 305 Comment
  POM250764  Petunia parviflora J. C. Roos 1937-6-7 514 Riverside South foot of Jackrabbit Trail, near San Jacinto. Comment
  RSA94108  Peucephyllum schottii F. W. Peirson 1921-3-23 2753 Riverside Deep Canyon, north base of Santa Rosa Mts. 335 Comment
  POM48138  Phacelia ambigua E. E. Schellenger 1920-05 s.n. Riverside Canyon east of Coachella, Colorado Desert. Comment
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Jun 15 2012
  UCR232514  Phacelia ambigua var. ambigua Dave Silverman 2010-3-30 7889 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 183 Comment
  RSA764131  Phacelia brachyloba L. M. Prince, Duncan S. Bell 2009-6-17 570 Riverside Cleveland National Forest Comment
  SEINET10497000  Phacelia campanularia James S. Miller 1992-5-8 Miller 7465 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  UC1007222  Phacelia campanularia Philip A. Munz 1940-3-23 15716 Riverside wash 3 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  UC572562  Phacelia campanularia subsp. campanularia H. S. Yates 1937-3-24 6476 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  JEPS2213  Phacelia campanularia subsp. vasiformis W. L. Jepson 1928-4-25 12571 Riverside Cottonwood Spr. Colorado Desert, Eagle Mts. 731 Comment
  CLARK-A1528-2995  Phacelia cicutaria John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  UCR84655  Phacelia cicutaria var. hispida Scott D. White, S. Ogg 1994-4-21 1966 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CDA40390  Phacelia crenulata var. ambigua T. C. Fuller 1963-4-23 10283 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  JOTR35326  Phacelia crenulata var. ambigua Harding, Mitzi, Mark Wheeler 2012-2-28 93 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  RSA0014470  Phacelia crenulata var. ambigua Justin M. Wood, J. Miner 2010-4-29 1544 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA658623  Phacelia crenulata var. ambigua Trudy R. Ericson 1975-4-26 295 Riverside 2.8 mi. on jeep road which intersects Shivers Wells Road 28mi. east of Mecca on north side of paved road. 366 Comment
  UC1426600  Phacelia crenulata var. ambigua Noel H. Holmgren and Patricia K. Holmgren 1973-3-21 6429 Riverside 12 airline mi n downtown Blythe; Big Maria Mountains 289 Comment
  RSA0110949  Phacelia crenulata var. ambigua Michael Honer, L. Hulse 2004-4-2 1872 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  JOTR16718  Phacelia crenulata var. crenulata Baker, James K. & Baker, Ilisa T. 1966-6-1 s.n. Riverside Joshua Tree National Park. PINTO WYE MAINTENANCE AREA AT GATE Comment
  SD224999  Phacelia crenulata var. minutiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12149 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring 244 Comment
  OBI36170  Phacelia distans Sears 1978-3-18 915 Riverside 1/4 mi S of Chuckwalla Rd on the Corn Springs rd, 10 mi E of Desert Center. In wash area in foothills of the Chuckwalla mts. T6S, R17E, sec 5, 6 219 Comment
  RSA234115  Phacelia distans Robert F. Thorne, R. Carolin 1967-3-21 41645 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
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Oct 9 2010
  RSA426215  Phacelia distans H. de Forest 1933-4-17 17606 Riverside Chino Canyon, Colorado Desert. Comment
  RSA784335  Phacelia distans J. D. Olmsted 1959-4-17 382 Riverside Santa Ana River drainage area. Puente Hills. 0.25 mi N of Prado dam along Hwy 71 on west side of road. 213 Comment
  SD185241  Phacelia distans G. K. Helmkamp 1998-4-4 3129 Riverside Junction of CA 62 and CA 177. 456 Comment
  UC56705  Phacelia distans Geo. R. Hall 1901-3-17 Riverside Riverside 304 Comment
  UCR89711  Phacelia ivesiana J. M. Stewart 1991-4-7 770 Riverside Sonoran (Colorado) Desert, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains Comment
  JEPS89045  Phacelia minor Rimo Bacigalupi and L. Heckard 1962-3-25 8407 Riverside Temescal Guard Station to Warm Springs Valley (lower slopes of mt. as viewed e-ward from Hwy 71); Estelle Mountain 335 Comment
  RSA428088  Phacelia minor N. C. Cooper 1944-6-24 2020 Riverside Elsinore Mtns, Riverside county. Alt 3500ft. 1067 Comment
  RSA501039  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth 1989-4-1 3160 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA528066  Phacelia minor Scott D. White 1991-4-10 91 -56 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
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Feb 28 2015
  UC1007227  Phacelia minor Philip A. Munz 1940-2-1 15655 Riverside 2 mi n Banning-Indio boulevard; Whitewater Canyon Comment
  UCR215519  Phacelia minor Daphne K. Christopher, Hannah I. Stevens 2003-4-4 087 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 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
  RSA428263  Phacelia minutiflora N. C. Cooper 1949-4-8 3293 Riverside Desert Center. 610 Comment
  UCR131795  Phacelia ramosissima Mitch Provance 1998-5-24 532 B Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  POM11517  Phacelia ramosissima var. latifolia P. A. Munz 1922-7-1 5926 Riverside Below Santa Rosa Mts. 1768 Comment
  UCR262230  Phacelia umbrosa T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3708 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
  RSA741214  Phalaris aquatica Scott D. White, Justin M. Wood 2008-6-16 12107 Riverside Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  CLARK-A1045-177  Phalaris caroliniana George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UC1265368  Phalaris caroliniana Robert F. Thorne and Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau Mesa de Colorado; , Mesa de Colorado 624 Comment
  UCR88175  Phalaris paradoxa Karen Kirtland 1992-5-25 s.n. Riverside San Jacinto River between Nuevo Road and San Jacinto Avenue. 427 Comment
  RSA469903  Phlox austromontana E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley, San Jacinto Mountains 2073 Comment
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May 29 2011
  UC52395  Phlox gracilis H. M. Hall May 1899 Riverside Strawberry Valley San Jacinto Mts. 1828 Comment
  UCR241919  Pholistoma auritum A. C. Sanders, Timothy W. Chumley 2013-3-28 40699 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west side of Lake St. 376 Comment
  JOTR28816  Pholistoma membranaceum La Doux, Tasha 2005-3-1 1084 Riverside Joshua Tree National Park. 3.5 miles North of Cottonwood Visitor's Center at exhibit Comment
  RSA132803  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines highway between Palm Springs and Keen Camp, State Hgwy 74.Colorado Desert Vegetation Type.Parasitic on Dalea spinosa. Comment
  UCD84929  Phoradendron californicum Chuck Hughes 2010-3-22 201 Riverside Edge of Rice-Midland Road. 268 Comment
  RSA645540  Phoradendron densum George K. Helmkamp 1995-11-16 s.n. Riverside San Jacinto Mountains. Pinyon Pines Camp beside Hwy 74. 1235 Comment
  UCSB10654  Phoradendron leucarpum subsp. macrophyllum Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of road 563 Comment
  LA209888  Phoradendron leucarpum subsp. tomentosum Norman C. Cooper; 1944-7-16 1386 Riverside San Jacinto Mountains, Pine Cove Comment
  UC1078933  Phoradendron macrophyllum Job Kuijt 1958-3-14 1498 Riverside Strawberry Creek, Hwy. 74 914 Comment
  UCR58849  Phoradendron macrophyllum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3218 Riverside Peninsular Range, Vail Lake area at N end of Kolb Creek, near campground 457 Comment
  CAS-BOT-BC171148  Phoradendron serotinum subsp. tomentosum A. C. Sanders; S. D. Boyd; Mitch Provance; J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi NW of Hwy 371 junction to Anza 1441 Comment
  RSA592668  Phoradendron villosum Scott D. White, D. Haselfeld 1996-7-2 4260 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
  UCR85428  Phragmites australis subsp. americanus A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15883 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  RSA0042380  Physalis crassifolia Duncan S. Bell, LeRoy Gross 2014-3-13 6237 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  SEINET3078100 Image available Physalis crassifolia B. Pitzer 1988-3-10 656 Riverside W side of Chuckwalla Mountains, on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd (and wash); ca. 2 miles (airline) S of Hwy I-10. 488 Comment
  UCR102698  Physalis crassifolia B. G. Pitzer 1998-1-24 3381 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
  UCR280426  Physalis crassifolia Onkar Singh 2015-11-9 5611 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, c. 5 km SW of Desert Center 459 Comment
  UCR113987  Physalis philadelphica Mitch Provance, A. C. Sanders 2000-7-4 2111 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  OBI12762  Pickeringia montana var. montana H. E. McMinn 1937-3-6 5008 Riverside 1 mi E of Blythe Comment
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Jan 14 2016
  UCR167801  Picris echioides T. B. Salvato, Melissa Clemons 2005-6-23 1303 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA769823  Pinus coulteri E. W. Lathrop 1968-5-22 6933 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA5898  Pinus flexilis C. B. Wolf 1932-8-5 3971 Riverside San Jacinto Mts. Slopes of San Jacinto Peak, along the trail above Round Valley. 2927 Comment
  RSA0119891  Pinus monophylla Duncan S. Bell, Thomas Stoughton 2016-4-12 9224 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  NY62442  Pinus quadrifolia N. H. Holmgren 1969-6-18 3587 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY62443  Pinus quadrifolia V. Duran 1933-7-2 3495 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD14088  Pinus quadrifolia Stephen K. Langer 1995-4-8 s.n. Riverside California, Riverside Co.; Highway 371, ca. 0.5 mi. from junction with Highway 74, Santa Rosa Mountains, Comment
  POM319568  Piperia Patricia Wilder 1968-7-5 4323 Riverside Forested area near Idyllwild, San Bernardino National Forest, Strawberry-Little Tahquitz Creek Drainage Area, San Jacinto Mountains. Alt: 6100 ft. 1860 Comment
  RSA588669  Piperia elongata Darin L. Banks, Steve Boyd 1995-10-26 825 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, N of the first grassland areas along trail. Approximately 0.8 miles from the Wilderness boundary. 720 Comment
  RSA544404  Piptatherum miliaceum Steve Boyd, Timothy S. Ross 1991-6-14 6372 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  SEINET3084181 Image available Plagiobothrys arizonicus Andrew C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16286 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 335 Comment
  RSA593882  Plagiobothrys canescens Steve Boyd, Dave Bramlet 1996-4-19 8618 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR20688  Plagiobothrys canescens O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  LA210032  Plagiobothrys collinus var. californicus L. Haines; L. Erickson 1937-4-9 Riverside near Winchester Comment
  SEINET7073313  Plagiobothrys collinus var. californicus A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UC1605427  Plagiobothrys collinus var. californicus Steve Boyd 1986-4-2 1595 Riverside Harford Springs County Park Gavilan Hills, Gavilan Hills, Harford Springs County Park 609 Comment
  RSA715763  Plagiobothrys collinus var. fulvescens A. C. Sanders 2005-4-22 29599 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SD224885  Plagiobothrys leptocladus Scott D. White, Marty Jacobsmeyer 1996-4-20 3967 Riverside Perris Basin. Perris Area: Near Perris Airport; ca. 100 m S of Case Rd. and 100 m W of San Jacinto River Channel. USGS Perris 7.5' quad. Open grassland. 430 Comment
  UCR25974  Plagiobothrys nothofulvus John C. Roos 1947-3-21 3365 Riverside Plateau in Reche Canyon Comment
  CAS-BOT-BC226238  Plantago erecta A. C. Sanders 2011-4-7 39035 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake, near canyon crossing at Glen Eden 384 Comment
  RSA192036  Plantago erecta E. W. Lathrop 1960-6-7 4899 Riverside 14 miles west of Murrieta. Comment
  RSA560361  Plantago erecta Steve Boyd 1992-4-14 6820 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  UCR251699  Plantago erecta T. B. Salvato 2014-4-9 7840 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  SEINET12271824  Plantago erecta J. F. Bright, Wyman, C. 1933-1 8193 Riverside near Indio Comment
  RSA402031A  Plantago ovata var. fastigiata H. de Forest, F. Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  RSA4909  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-27 3025 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  CSUSB1044  Platystemon californicus Ronald H. Sauer 1965-4-28 Riverside Box Springs Mountains Box Springs Mountains. 4.2 miles from beginning of dirt road to radio towers. 487 Comment
  POM306219  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Corona, south of fields-hillsides. Comment
  RSA495824  Platystemon californicus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2935 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR116914  Platystemon californicus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23957 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR27198  Platystemon californicus Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  RSA613861  Platystemon californicus B. Pitzer 1997-4-11 3114 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. Approx. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM Nelson) 610 Comment
  RSA100257  Plectritis ciliosa subsp. insignis F. W. Peirson 1922-5-19 3047 Riverside San Jacinto River. 1143 Comment
  UCR4098  Plectritis ciliosa subsp. insignis Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns., Tahquitz Meadows [Camp Tahquitz Meadows, north of Hwy 74 at site of Keen Camp, east of Mtn. Center], about 25 yards northeast from place stream crosses under road 1372 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
  RSA780227  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 104 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  SBBG14312  Pleuraphis rigida H. and M. Dearing 1936-12-25 Riverside Thousand Palms Comment
  UC1979847  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 960 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  HSC66615  Pleurocoronis pluriseta Christopher Davidson, Josephine Jones 1980-4-4 9948 Riverside Orocopia Mtns., W end of mountains almost due S of Oro Peak 518 Comment
  UC1719671  Pleurocoronis pluriseta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11218 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Comment
  UCR103706  Pleurocoronis pluriseta B. G. Pitzer 1998-1-24 3410 .1 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
  CAS-BOT-BC326550  Pluchea sericea W. R. Dudley 1903-12-29 s.n. Riverside Palm Barrancas Comment
  UCR182091  Poa annua Tom Chester 2005-5-3 605 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Waterline Road, 0.2 miles (0.3 km) southwest of Visitor Center, at jct. with Granite Loop Trail 536 Comment
  RSA651608  Poa annua D. L. Heald 1966-4-5 28 Riverside In the front yard of D.L. Heald in Arlington. 304 Comment
  RSA179490  Poa bulbosa E. W. Lathrop 1965-4-18 5661 Riverside 10 miles west of Murrieta. Comment
  SEINET6654149  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside San Jacinto Mountains, meadows at Baldy Mtn.; 0 1585 Comment
  CAS-BOT-BC413939  Polygonum aviculare subsp. aviculare Peter Kamb 1948-2-1 763 a Riverside Valley in the Jurupa Mts west of Colton, San Bernardino/Riverside County 304 Comment
  UCR120340  Polygonum lapathifolium Mitch Provance 1998-7-23 929 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  UCR101189  Polygonum ramosissimum L. C. Wheeler 1955-6-10 7152 Riverside Sonoran (Colorado) Desert, 3.5 miles NNE of Palo Verde; Avenue 32 and Rannells Blvd Comment
  SBBG55018  Polypodium californicum D. Keil, M. McLeod 1977-3-26 12005 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  SEINET10602403  Polypogon interruptus Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4661 Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs camp-ground of Cleveland Nat. Forest. T8S, R1W, N1/2 sec. 26 1900-2000' elev. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. Coarse grass, local in pool along stream. 609 Comment
  CSUSB467  Polypogon monspeliensis Richard Sayre 1972-5-20 Riverside Santa Ana River Santa Ana River; Jurupa Avenue, in city of Riverside. Comment
  SDSU13013  Polypogon monspeliensis Michael G. Simpson 1999-10-27 2028 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA500115  Polypogon viridis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3696 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  CAS-BOT-BC72264  Polystichum imbricans subsp. curtum John Thomas Howell 1927-8-2 2932 Riverside top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  RSA763062  Polystichum imbricans subsp. curtum E. W. Lathrop 1973-6-28 7444 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  UC494534  Populus fremontii subsp. fremontii Philip A. Munz 1931-3-13 11942 Riverside Blythe Comment
  UC846109  Populus fremontii subsp. fremontii P. A. Munz, D. Keck 1922-4-14 4975 Riverside Whitewater Ranch Colorado Desert, Whitewater Ranch (near creek) 213 Comment
  UCR249220  Populus fremontii subsp. fremontii LeRoy Gross, Bart O'Brien 2013-3-18 5951 Riverside Coastal Plains and Basins; San Bernardino Basin Region, Fairmount Park, west side of Lake Evans, Riverside, NE of Mt. Rubidoux 238 Comment
  RSA753027  Populus nigra A. C. Sanders, D. L. Sanders 2008-9-27 36107 Riverside Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. and Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  CAS-BOT-BC356157  Porophyllum gracile A. C. Sanders; T. B. Salvato; Kelly Volansky 2006-5-28 32644 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA463701  Porophyllum gracile Harold Lint 1958-5-25 2035 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  RSA709851  Porophyllum gracile Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4630 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR138832  Porophyllum gracile D. L. Banks 1997-4-5 1670 B 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
  RSA741107  Potentilla glandulosa subsp. reflexa Scott D. White, Justin M. Wood 2008-6-17 12156 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  RSA682853  Prenanthella exigua Scott D. White, Michael Honer 2003-5-13 9234 Riverside Shavers Valley / Cottonwood Mountains. Lower mountain slopes ca. 1 air mile N of the I-10 Freeway. 488 Comment
  SDSU13345  Primula clevelandii var. clevelandii Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU), M. G. Simpson 2000-4-1 23 Riverside Along a poorly defined trail east of the North side field station. At the Santa Margarita Ecological Research Station (SDSU). 335 Comment
  GMDRC3105  Proboscidea althaeifolia J. Andre, T. La Doux 2008-9-13 10267 Riverside Chuckwalla Valley: along dirt road approx. 2 mi. N. of Desert Center, 0.5 mi. W. of Tamarisk Golf Course (at Kaiser Rd Jct) 33 deg. 44.159' N 115 deg. 24.434' W. Elev. 769 ft. 234 Comment
  CAS-BOT-BC216520  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles E of Blythe, Palo Verde Valley 76 Comment
  RSA698011  Prosopis pubescens J. R. Bruff 1927-10-8 113 Riverside Thousand Palms. Comment
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Sep 10 2011
  CAS-BOT-BC158292  Prunus fasciculata var. fasciculata Annie M. Alexander; Louise Kellogg 1941-5-14 2172 Riverside Cottonwood Spring Pass, Eagle Mts. 914 Comment
  UCD166228  Prunus fremontii Jack Major 1962-4-16 771 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  UCR20437  Prunus fremontii John C. Roos, L. Roos 1953-3-21 5908 Riverside Sonoran (Colorado) Desert, Mouth of Andreas Canyon south of Palm Springs 274 Comment
  UC1128421  Prunus ilicifolia R. St. John 1931-4-17 207 Riverside sw of Mockingbird Canyon 304 Comment
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Apr 2 2011
  SDSU9179  Prunus ilicifolia subsp. ilicifolia Samuel R. Frank 1962-5-23 Riverside Lower San Jacinto Mtns. Comment
  SEINET7412894  Prunus virginiana var. demissa E. K. Balls 1949-5-4 13486 Riverside On road from Idyllwild to Banning, San Jacinto Mountains 1372 Comment
  CAS-BOT-BC356333  Psathyrotes ramosissima S. B. Parish 1912-6-28 8115 Riverside Mecca Comment
  UCD84942  Psathyrotes ramosissima Chuck Hughes 2010-3-25 214 Riverside About 400 ft north of Arlington Mine Road, next to railroad tracks. 220 Comment
  UCR13826B  Psathyrotes ramosissima O. F. Clarke 1976-3-6 s.n. Riverside Colorado Desert, Coachella Valley, Living Desert Reserve, Palm Desert 122 Comment
  UCR196350  Psathyrotes ramosissima Naomi Fraga, Lisa Rojas 2005-2-10 1403 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  RSA736540  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  MACF019472  Pseudotsuga macrocarpa Trudy R. Ericson 1974-11-9 273 Riverside Approx. 9 mi. west of intersection of St. 243 and 74, going toward Hemet. San Bernardino National Forest 1036 Comment
  CAS-BOT-BC361785  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1993-5-12 14004 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the New San Diego Aqueduct and Warren 460 Comment
  UCSB3073  Psorothamnus arborescens Eriksen, C. 1954-4-29 Riverside 3 mi. W of Morongo Valley along Hwy. Comment
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Oct 22 2014
  SEINET3407778 Image available Psorothamnus arborescens var. simplicifolius A. Stanley 1969-5-3 48 Riverside 2 miles from Morango Valley Rd. on Dillion Rd. Little San Bernardino Mountains 457 Comment
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Jun 12 2019
  UC667322  Psorothamnus arborescens var. simplicifolius Annie M. Alexander and Louise Kellogg 1941-5-22 2217 Riverside 1.5 mi n Cottonwood Spring (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains, n of Cottonwood Spring 975 Comment
  CAS-BOT-BC353645  Psorothamnus emoryi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  POM1901  Psorothamnus emoryi J. S. Chase 1916-04 s.n. Riverside Palm Springs. Comment
  UCR264248  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2015-9-11 41878 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, hills along dirt road above Iris Pass 735 Comment
  CAS-BOT-BC340876  Psorothamnus schottii Philip A. Munz 1937-5-29 15144 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  POM128978  Psorothamnus schottii E. E. Schellenger 12 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  RSA404250  Psorothamnus schottii N. C. Cooper 1949-4-8 3250 Riverside Palm Springs. 457 Comment
  UCD159769  Psorothamnus schottii Duncan S. Bell 2013-1-30 4440 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  RSA0022493  Psorothamnus schottii Bonnie C. Templeton 1930-4-9 1000 Riverside North of Palm Springs 305 Comment
  JOTR29190  Psorothamnus spinosus La Doux, Tasha 2005-9-8 1303 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  SEINET1100109 Image available Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley, alluvial fans below Santa Rosa Mts., near mouth of Martinez Canyon at end of 72nd. Ave. 25 Comment
  SEINET13373614 Image available Psorothamnus spinosus Victor Duran 1933-1 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  UCD34520  Psorothamnus spinosus Beecher Crampton 1985-5-8 9964 Riverside Riverside County, west of Blythe along hwy. 10. Comment
  CAS-BOT-BC421257  Pterostegia drymarioides A. C. Sanders; T. B. Salvato; Mitch Provance 2003-4-4 25836 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 421 Comment
  UCR121301  Pterostegia drymarioides A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25010 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCR155325  Pterostegia drymarioides A. C. Sanders, Mike Misenhelter 2005-3-23 29257 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR205276  Pterostegia drymarioides Steve Boyd, Amber Maurice, Pesach Lubinsky, L. Lubinsky 2003-4-17 19456 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 366 Comment
  UCR18627  Pulicaria paludosa John C. Roos 1962-10-19 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater 549 Comment
  UCR251354  Pulicaria paludosa S. J. Myers 2014-5-21 1062 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR278376  Quercus Mitch Provance 2012-9-5 912- 09 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  RSA751250  Quercus X morehus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35609 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  UCSB1219  Quercus X morehus Neely, William 1948-10-3 Riverside Above highway near Idyllwild, San Jacinto Mts. 1828 Comment
  JOTR32647  Quercus X munzii La Doux, Tasha, Mike Bell 2006-11-22 1615 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Queen Valley area; Live Oak picnic area 1267 Comment
  RSA735195  Quercus agrifolia Keith E. Hoffmaster 1934-4-8 157 Riverside Santa Ana Mts. Comment
  RSA717583  Quercus berberidifolia A. C. Sanders 2004-4-9 27456 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  UCR121644  Quercus berberidifolia A. C. Sanders, Kent Beaman 2002-5-10 25055 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UCR162959  Quercus berberidifolia John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR241939  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range, Temescal Canyon, east of Glen Ivy near where Temescal Canyon Rd. passes under I-15 318 Comment
  UC488911  Quercus chrysolepis C. V. Meyer Jun 1927 165 Riverside Saunders Meadows San Jacinto Mts. 1737 Comment
  UC519764  Quercus chrysolepis C. Epling 1931-10-4 Riverside Idyllwild 1371 Comment
  RSA628257  Quercus engelmannii B. Schwenn 1988-9-27 s.n. Riverside Santa Rosa Mnts: San Bernardino National Forest, Cactus Spring trail where trail crosses Horsethief Creek. 1341 Comment
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Oct 5 2017
  SBBG92531  Quercus engelmannii B. Pitzer 1988-6-8 1045 Riverside Rancho Californica area, avocado grove S of Avenida del Oro, just past Calle Capistrano Comment
  UCR40270  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  UCR54426  Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  SEINET10622123  Quercus john-tuckeri Greg Gust, Leith Nye 2005-3-11 Gust 547 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  RSA761236  Quercus kelloggii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 717 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA215552  Quercus palmeri L. B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley near the Kenworthy Ranger Station 1418 Comment
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Mar 25 2011
  UCR270569  Quercus palmeri John F. Emmel 2001-8-5 1748 Riverside San Jacinto Mtns., Pine Meadow area, SE end of Garner Valley, 1.0 road mile east of junction of Devils ladder Rd and Hwy 74 1448 Comment
  UCSB34688  Quercus palmeri Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 11.5 mi east of Moutain Center on Calif. Hwy 74 Comment
  UC2062974  Quercus wislizeni J. D. Olmsted 1962-5-2 3526 Riverside Along road from Santa Rosa Indian Reservation to old Village, etc., at first canyon crossing to SW side. Comment
  SBBG52703  Quercus wislizeni var. frutescens C. Davidson 1977-5-18 5631 Riverside Bear Springs 1219 Comment
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Dec 3 2006
  JEPS26553  Rafinesquia neomexicana Peter Kamb 1948-4-11 861 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley Comment
  RSA26987  Rafinesquia neomexicana C. L. Hitchcock 1940-4-2 5919 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA779584  Rafinesquia neomexicana Duncan S. Bell 2009-3-7 16 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UC565506  Rafinesquia neomexicana H. L. Mason 1928-3-10 4178 Riverside Whitewater River Comment
  VVC2469  Rafinesquia neomexicana Tim Thomas 2013-3-18 5945 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UC219555  Ranunculus eschscholtzii var. oxynotus P. A. Munz 1922-7-7 6042 Riverside San Jacinto Peak San Jacinto Mts. (near the summit) 3285 Comment
  LA207815  Rhamnus ilicifolia P. C. Everett; 1935-6-18 7207 Riverside Santa Ana Mountains, Coldwater Canyon Trail, 1.5 mi. N (below) main divide Motorway 1280 Comment
  RSA503418  Rhamnus ilicifolia J. D. Olmsted 1962-5-10 3627 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  UCR90985  Rhus aromatica Scott D. White 1996-3-31 3870 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  CAS-BOT-BC167923  Rhus integrifolia Steve Boyd 1981-1-9 s.n. Riverside Gavilan Hills region, narrows in central Dawson Canyon 487 Comment
  IRVC9327  Rhus lanceolata B. T. Gittins, O. F. Clarke 1966-1-15 885 a Riverside U.S. Dept. of Agriculture, Experimental Station, (Citrus and Date gardens); Indio. Sonoran Desert Comment
  UCR167851  Rhus laurina T. B. Salvato, Melissa Clemons 2005-6-2 1338 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  CAS-BOT-BC167969  Rhus ovata John C. Roos 1950-10-15 5007 Riverside Dry Morongo Canyon about 1 mile S. of Riverside-San Bernardino County line 609 Comment
  JEPS66259  Rhus ovata W. L. Jepson 1901-5-31 1566 Riverside Temecula River, from Riverside to Santa Rosa Peak and Palomar Temecula River Comment
  CLARK-A1528-119  Rhus trilobata var. anisophylla C. M. Flanagan 1973-5-31 OO 625 Riverside Morongo Indian Reservation 975 Comment
  RSA162815  Ribes californicum var. hesperium J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in W Corona, after 3 miles turn W on Chase Dr, then S on Oak Flat fire road for 4 miles past Olive trees. Santa Ana Mts. 793 Comment
  RSA797244  Ribes cereum Robert F. Thorne, Walter Wisura 1977-9-17 50782 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  CAS-BOT-BC173138  Ribes indecorum Carl B. Wolf 1932-2-11 2650 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  UCR243131  Ribes malvaceum Kate Kramer 2012-5-25 264 Riverside San Jacinto Mtns., along Highway 243, between Poppet Flats Road and Vista Grande Fire Station 1381 Comment
  SBBG72070  Ribes montigenum J. Ewan 1930-9-1 Riverside Mount San Jacinto 3293 Comment
  POM12115  Ribes nevadense Mary F. Spencer 1921-6-1 706 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
  UC11631  Ribes nevadense H. M. Hall 1901-6-1 2260 Riverside Fuller's Mills Mountains San Jacinto Mountains 1645 Comment
  SD2150  Ribes quercetorum Edmund Jaeger 1925-12-23 Riverside Aguanga 1067 Comment
  UCR90328  Ribes quercetorum Chet McGaugh 1993-3-10 s.n. Riverside Peninsular Range, S edge of Durasno Valley, c. 6 mi SW of Anza, N foot of Iron Spring Mtn, south of Tule Rd. and just west of Walker Rch Rd. 1402 Comment
  UCR91277  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  RSA575821  Romneya coulteri Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 610 Comment
  RSA638201  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  CAS-BOT-BC92170  Romneya coulteri var. coulteri L. R. Abrams 1913-7-16 s.n. Riverside Between Elsinore and Corona. Comment
  CLARK-A1528-2336  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Whitewater Comment
  CSUSB1439  Rorippa nasturtium-aquaticum D. Vander Ven 1968-5-1 S. N. Riverside Santa Ana River Santa Ana River, in water along the south bank of island just west of the railroad bridge near Freemont Street, Riverside; 35 feet from east end of island 213 Comment
  RSA788096  Rosa californica Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49552 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  RSA783814  Rumex acetosella John Olmsted 1958-6-15 174 Riverside San Jacinto River drainage area. Idyllwild School of Music and Arts. In pasture near Strawberry Creek. 1524 Comment
  RSA659484  Rumex hymenosepalus J. C. Roos 1966-4-29 s.n. Riverside In the hills between March AFB and Lakeview. 457 Comment
  RSA653331  Rumex pulcher Mitch Provance 2000-4-8 2217 Riverside Jurupa Mountains: Belltown, SW side of Market St. (Crestmore Road) at Bell Ave. 79 Comment
  SDSU13632  Rumex salicifolius var. denticulatus W. Miller, C. Mosse 1972-7-20 Riverside By olive trees at north boundary in turn in road. Comment
  RSA715904  Sabal A. C. Sanders 1984-7-18 5107 Riverside Kansas at Pennsylvania, edge of Bordwell Park. 287 Comment
  RSA697858  Salazaria mexicana J. R. Bruff 1928-4-2 113 Riverside Canyon W of Morengo Comment
  POM319629  Salix exigua Patricia Wilder 1971-11-11 5294 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  RSA0030829  Salix exigua Norman C. Cooper 1944-4-8 1057 Riverside Andreas Canyon. 304 Comment
  JOTR36422  Salix exigua var. hindsiana La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3367 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  CAS-BOT-BC108108  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  RSA653231  Salix gooddingii A. C. Sanders, T. B. Salvato 2000-5-30 23434 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Brandley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  JOTR35496  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3184 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  RSA714656  Salix laevigata A. C. Sanders, Guy Bruyea 2004-4-2 27408 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  UC2015574  Salix laevigata Scott D. White 1996-2-18 3811 Riverside Perris Basin, Double Butte, NW of Winchester. SE-facing slope of W butte and alluvial soil at base. Comment
  UCR270592  Salix laevigata John F. Emmel 1999-2-7 1606 Riverside San Jacinto Mountains, foothills at southwest edge of the range, Bautista Canyon, 0.4-0.5 road miles southeast of national forest boundary 723 Comment
  SD229282  Salix lasiolepis Dick Schwenkmeyer 2012-3-26 674 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx Ao mile north of Highway 74, just east of Morris Ranch Road. 1356 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-BC125731  Salix nigra Marcus E. Jones 1930-4-2 26030 Riverside Blythe Comment
  CAS-BOT-BC126318  Salix sessilifolia 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
  UCR261417  Salsola paulsenii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41424 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
  RSA757725  Saltugilia australis LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4358 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  POM97122  Saltugilia australis P. A. Munz 1925-5-20 9822 Riverside 2 miles W of Dripping Spring. 427 Comment
  POM6930  Saltugilia splendens P. A. Munz, L. T. Street, G. Williams 1919-5-30 2824 Riverside San Bernardino Mountains: Dark Canyon, near Pine Crest 1524 Comment
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May 28 2011
  RSA67069  Saltugilia splendens Verne Grant, Alva Grant 1951-7-21 16103 Riverside San Jacinto Mountains : trail from Idyllwild to Tahquitz Valley. 1707 Comment
  UCR100304  Salvia apiana B. G. Pitzer 1997-4-20 3194 Riverside Lakeview Mtns, Warren St. at base of hills, c. 1/2 mi. (airline) NE of Contour Ave. ( = Juniper Flat Road). Just past the turn-off to the water tank 534 Comment
  SDSU13958  Salvia clevelandii Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2145 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of wet meadow (El Valle complex). 646 Comment
  RSA401479  Salvia columbariae D. A. Young 1969-3-21 P- 317 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  RSA4382  Salvia columbariae Dorothy R. Wolf 1932-3-20 28 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA554430  Salvia columbariae Theo Glenn 1992-3-31 92 -6 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  SDSU7475  Salvia columbariae A. H. Gallup 1949-3-28 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], in dry wash, east slope, San Jacinto Mt. Range, Colorado Desert drainage area Comment
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Jan 30 2013
  UCR101586  Salvia columbariae 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
  UCR174625  Salvia columbariae Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 107 Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCR228934  Salvia columbariae A. C. Sanders 2011-4-6 39022 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
  UCR241686  Salvia columbariae T. B. Salvato 2013-3-22 7406 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
  UCSB5781  Salvia columbariae Van Leeuwen, Henry 1957-4-13 Riverside about 2 miles south of junction of US 60 and California Hwy 195 Comment
  UCSB5783  Salvia columbariae Cline, C. 1960-5-15 Riverside 0.2 miles from Hwy. 74; on road to Anza 1219 Comment
  UCR20099  Salvia eremostachya Jeanine Derby 1976-4-28 s.n. Riverside Santa Rosa/San Jacinto Mountains, [near Dos Palmas Spring] 1159 Comment
  CHSC21757  Salvia greatae Robert A. Schlising 1973-3-31 3073 Riverside Salt Creek Wash, between Orocopia and Chocolate Mountains (ca 5 mi NE of 'crossing 24' of Coachella Canal). Comment
  UCD125470  Salvia greatae BLK 1981-6-15 s.n. Riverside 10 miles southeast of Salton Sea; south end of Orocopia Mountains, east of Mortmar. Comment
  CAS-BOT-BC229984  Salvia mellifera Ellsworth Bethel 1918-5-10 s.n. Riverside San Jacinto Comment
  HSC14360  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi. W of Aguanga Comment
  SD241881  Salvia mellifera Jay Walker, R. C. Walker 2004-4-14 3086 Riverside 1.6 m W of Radec (jct 79 and R3), along Cutca Valley Road, 0.3 miles from jct with hwy 79. Comment
  SEINET244787  Salvia mellifera A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24942 Riverside The Badlands; hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  UC1287000  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi w Aguanga Comment
  UCR162874  Salvia mellifera T. B. Salvato, Kelly Volansky 2003-3-27 130 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA259187  Salvia pachyphylla P. A. Munz 1938-8-14 15363 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  RSA82388  Salvia vaseyi F. W. Peirson 1933-4-13 10635 Riverside Deep Canyon to Santa Rosa Mts. road 488 Comment
  RSA500135  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3675 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA771747  Sambucus mexicana Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4766 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 W116.65125 604 Comment
  UC729480  Sambucus mexicana Carl B. Wolf 1932-8-6 3991 Riverside base of Devil's Slide Trail to Tahquitz Valley; San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR178335  Sambucus mexicana Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 657 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Potrero Canyon 793 Comment
  UC1562958  Sanicula arguta S. Myers and R. Montijo 1990-4-20 3 Riverside Powder Canyon in the city of La Habra Heights Powder Canyon; La Habra Heights, Powder Canyon 243 Comment
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Apr 14 2013
  UCR135820  Sanicula bipinnata A. C. Sanders, Guy Bruyea 2004-4-2 27433 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  POM113415  Sanicula tuberosa J. B. Feudge 1926-4-10 1368 Riverside Reche Canyon. 610 Comment
  UCR205745  Sarcostemma crispum Jordan Zylstra 2009-5-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pinyon Flat, north of Hwy 74, east of Pinyon Flat Campground 1220 Comment
  UCR16136  Sarcostemma cynanchoides S. M. Chambers 1970-4-12 6 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, near the bottom station of Palm Springs Aerial Tramway, Chino Canyon 765 Comment
  UC1546665  Sarcostemma cynanchoides subsp. hartwegii Barry A. Prigge 1988-2-21 7858 Riverside 2 mi. w. Clemens Well; Colorado Desert, Orocopia Mts. 228 Comment
  RSA597079  Schedonorus arundinaceus D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1117 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  UCR176193  Schinus molle Amber Bruno 2005-6-7 50 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  CLARK-A1528-922  Schismus barbatus Patricia A. Andrews 1975-3-13 5900 Riverside Rubidoux Comment
  OBI79207  Schismus barbatus A. C. Sanders, T. B. Salvato 2011-3-28 38813 Riverside Peninsular Range; Perrris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy (Romoland 7.5') Flat valley bottom, clay-loam soil; disturbed roadsides and field edges in agricultural area, with abandoned old fields near 215. 1425 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
  JOTR36427  Schoenoplectus americanus La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3372 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  POM184659  Schoenoplectus americanus L. C. Wheeler 1932-9-4 1336 Riverside Santa Ana River at Chino Creek. 183 Comment
  SDSU13637  Schoenoplectus americanus W. Miller, C. Mosse 1972-7-11 Riverside Comment
  UCR277488  Schoenoplectus californicus Mitch Provance 2013-2-16 0213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  SEINET10506556  Scirpus chilensis David B. Dunn 1946-3-17 Dunn 2099 Riverside At the springs at pushawalla (palms) canyon. Indio hills. Alkaline Comment
  RSA559363  Scrophularia californica subsp. floribunda Steve D. Boyd, Tim S. Ross, D. Bramlet 1993-5-13 7380 -A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  CAS-BOT-BC214224  Scutellaria bolanderi subsp. austromontana A. C. Sanders; Mitch Provance 2008-7-11 35803 Riverside 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, Peninsular Range, San Jacinto Mtns. 1474 Comment
  RSA761228  Scutellaria siphocampyloides Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 729 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCSB33326  Scutellaria siphocampyloides Gliessman, Stephen 1968-7-18 Riverside along Saunders Road; 0.5 mile north of junction with Idyllwyld Road; San Jacinto Mountains 1600 Comment
  RSA684086  Selaginella bigelovii Robert Gustafson 1980-5-5 1569 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash 610 Comment
  SDSU7434  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 99 Comment
  UC306711  Selaginella bigelovii I. M. Johnston 1918-4-3 1825 Riverside San Jacinto Canyon; San Jacinto Mts. 685 Comment