Search Results — 2000 specimen records retrieved (1874 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  NY341988  Abronia aurita S. B. Parish 1896-4-4 4138 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mountain 152.4 Comment
  POM123197  Abronia villosa Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA553905  Abronia villosa Scott D. White 1992-9-11 788 Riverside Vicinity of Gilman Hot Springs, N side of San Jacinto River, and a thin strip trending N of the river and W of the Hot Springs 451 Comment
  SDSU8420  Abronia villosa J. Godsil 1953-3-20 582 Riverside Sand dunes, east of Palm Springs. 140 Comment
  SEINET3133843  Abronia villosa T. Reeves, D. J. Pinkava 1974-3-19 11751 Riverside Rte I-10 frontage rd at Indian Wells Washington St., 6 mi E of Thousand Palms Comment
  UC7620  Abronia villosa H. M. Hall 1901-6-1 2166 Riverside San Jacinto Mountains, Thomas Valley 1371 Comment
  UCR85139  Abronia villosa A. C. Sanders 1995-3-12 16018 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  SEINET946023  Abronia villosa var. aurita G. Yatskievych, K. McCrary 1984-1 84 -118 Riverside State Route 74 at Pyramid Peak Road (to Thomas Mountain). 1463 Comment
  UC1922010  Abronia villosa var. aurita Scott D. White, Angelia Carey 2004-4-5 9978 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  HSC101275  Abronia villosa var. villosa Jim Andre 2012-3-19 21344 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  UCR244727  Abronia villosa var. villosa Jim Andre 2012-3-19 21344 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA735217  Acacia greggii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11239 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR35039  Acacia greggii L. B. Ziegler 1967-8-23 211 Riverside San Jacinto Mtns, Pinyon Flats; dry washes on the flats 1250 Comment
  UCR100362  Acacia iteaphylla A. C. Sanders, Steve Morgan 1997-11-6 21588 Riverside Riverside, UCR Botanical Garden, dry W-facing slopes east of the Australian section 396 Comment
  CAS-BOT-BC172853  Acamptopappus sphaerocephalus Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9004 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  RSA696775  Acamptopappus sphaerocephalus W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  UC217887  Acer negundo var. californicum P. A. Munz 1922-6-24 5804 Riverside along upper parts of Pipe Creek San Jacinto Mts., , Pipe Creek (Hemet Valley) 1584 Comment
  RSA761158  Achillea millefolium Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 689 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC891013  Achillea millefolium P. A. Munz 1922-6-24 5794 Riverside on wet banks of Pepe Creek Hemet Valley; San Jacinto Mts 1463 Comment
Read comments
Mar 25 2011
  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
  UC472686  Achnatherum coronatum M. F. Spencer 1921-4-19 Riverside Banning San Bernardino Mts. Comment
Read comments
Mar 13 2011
  UCD50311  Achnatherum coronatum Fred M. Reed 1933-5-31 7921 Riverside California, Riverside County. San Jacinto Mtns., Vandeventer Flats. Comment
  CAS-BOT-BC260328  Achnatherum hymenoides Marcus E. Jones 1903-5-11 s.n. Riverside Colorado Desert. Whitewater, about station 304 Comment
  JOTR31224  Achnatherum hymenoides La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2008 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  RSA697715  Achnatherum hymenoides J. Russell Bruff 1921-3-12 36 Riverside Whitewater. Comment
  RSA771663  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4906 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
  RSA588840  Achnatherum speciosum D. L. Banks, Steve Boyd 1995-10-17 783 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  POM122333  Achyronychia cooperi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SEINET1004352  Acmispon americanus var. americanus A. C. Sanders, Mike Misenhelter 2004-1 28827 Riverside Santa Ana Mtns./Santa Rosa Plateau: hill 2139 at west end of Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  SEINET3245946  Acmispon glaber var. brevialatus T. B. Salvato, Matt Malle, Tim Searl 2011-1 5161 Riverside Peninsular Range; Gavilan Hills: Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and HWY 15 (Alberhill 7.5') 463 Comment
  SD146270  Acmispon strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve Area, North Domenigoni Hills, south of Hemet; Winchester 7.5' quad. 342 Comment
  UCR272482  Acroptilon repens Mitch Provance 2013-6-18 613- 28 Riverside San Bernardino Valley, Riverside, S corner of North Main St. and Dublin Way. 247 Comment
  JOTR32975  Adenophyllum porophylloides La Doux, Tasha, A. Miller 2008-10-8 2856 Riverside Joshua Tree National Park. Coxcomb Mountains, north of Colorado River Aqueduct tunnel 325 Comment
  RSA0108982  Adenophyllum porophylloides Duncan S. Bell, Amanda Bell 2012-1-29 3078 Riverside Arica Mountains; collecting in the center of the range, approximately 7 air miles southwest of the ghost town of Rice, or 2 air miles west of Priests Well. 438 Comment
  RSA735240  Adenophyllum porophylloides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11212 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  CAS-BOT-BC133136  Adenostoma fasciculatum Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA714423  Adenostoma fasciculatum A. C. Sanders 2004-5-11 27850 Riverside Elsinore Basin Region: Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy. 488 Comment
  RSA180283  Adenostoma fasciculatum var. fasciculatum E. W. Lathrop 1965-4-4 5629 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  SEINET270932  Adenostoma sparsifolium Richard J. Shaw 1958-4-6 1104 Riverside Highway 74 between Palm Desert and Idylwild Junction. 914 Comment
  RSA687674  Adiantum capillus-veneris L. C. Wheeler 1933-12-1 2295 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  UC1931094  Agnorhiza ovata Scott D. White, Justin Wood 2008-7-8 12383 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd, ca. 1/2 miles E and W of Hurkey Creek crossing. Comment
  CAS-BOT-BC127424  Agrostis exarata Peter H. Raven; R. Snow 1957-7-26 1110 Riverside 2.0 miles south of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto Mountains. Comment
  UCR27222  Agrostis pallens E. W. Lathrop 1965-5-23 5770 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, 9 mi west of Murrieta Comment
  RSA343883  Aira caryophyllea S. Meury, Walter Wisura, E. W. Lathrop 1985-5-18 60656 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  UCR98068  Alchemilla occidentalis A. C. Sanders 1997-3-1 19733 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  RSA214389  Allenrolfea occidentalis L. C. Wheeler 1931-11-26 377 Riverside Salton Sea, 2 miles SE Salton Bench Mark. -76 Comment
  CAS-BOT-BC434479  Allionia incarnata Peter H. Raven 1958-1-24 11455 Riverside Fargo Canyon Comment
  UC703084  Allionia incarnata Lester Rowntree 1937-5-26 Riverside Box Canyon near Mecca; Box Canyon Comment
  UCR88538  Allium fimbriatum A. C. Sanders 1995-4-13 16487 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  JOTR31045  Allium fimbriatum var. fimbriatum La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2028 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  RSA0000107  Allium haematochiton J. C. Marvin 1921-4-1 3408 Riverside Near Banning. Comment
  RSA180344  Allium haematochiton E. W. Lathrop 1965-5-30 5772 Riverside 6 miles W of Murrieta. Comment
  UCR205446  Allium marvinii Jeff B. Galvin, Diane Menuz 2009-1 089 Riverside San Jacinto Mtns foothills, Northwest foothills of San Jacinto Mtns foothills. North of Soboba Rd, off Poppet Flats Truck trail 816 Comment
  CAS-BOT-BC132013  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills: Summit of Estelle Mt. 841 Comment
  RSA348947  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills: Summit of Estelle Mt. shallow N-facing draw, just W of third powerline tower, N of summit. 841 Comment
  RSA543582  Allium munzii Steve Boyd 1991-5-7 6164 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA543618  Allium munzii Steve Boyd 1991-5-7 6153 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA574725  Allium munzii Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  JOTR33768  Allium parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2924 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (stop 2) Comment
  RSA367126  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet. 640 Comment
  UCR113560  Allium praecox Mitch Provance, Juanita Provance, Seychelle Provance, Claude Provance 1999-4-4 1755 Riverside Riverside, Prenda area (locally known as Whitegates Hills), c. 0.5 miles west of pk 1659. 366 Comment
  UCR5959  Allium praecox Kenneth Hibberd 1966-3-27 660327- 01 Riverside Peninsular Range, La Sierra Ave., 2 mi south of Victoria Ave. on the road to Lake Mathews 366 Comment
  UCR214332  Allophyllum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38371 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR104085  Allophyllum divaricatum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20633 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  POM49564  Allophyllum glutinosum P. A. Munz, I. M. Johnston 1924-7-29 8841 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  SD80158  Alnus rhombifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-2-13 339 Riverside East slope San Jacinto Mountains, Andreas Canyon, north bank 100 yards upstream from crossing below Clubhouse 305 Comment
  UCR113620  Alnus rhombifolia Stan C. Spencer 2000-2-1 s.n. Riverside Temecula Valley, Empire Creek (Long Valley) SW of Margarita Rd. 329 Comment
  RSA653141  Alternanthera philoxeroides J. Zamora, Al Acosta 1999-9-29 s.n. Riverside Riverside: Santa Ana River, under the NW end of the Market St. bridge. 244 Comment
  UCD97074  Amaranthus arenicola T. B. Salvato; A. C. Sanders 2000-4-27 60 Riverside Coachella Valley: between Filmore and Buchanan on Avenue 56. -37 Comment
  CDA3243  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60 Comment
  UCR148485  Amaranthus blitum John F. Green 2005-1-25 s.n. Riverside San Bernardino Valley, Mira Loma area, just south of the San Bernardino county line near Ontario, north of Cloverdale Rd. between Harrison Ave. and Archibald Ave. 197 Comment
  RSA667031  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  JOTR30690  Amaranthus fimbriatus La Doux, Tasha, Jim Andre 2008-9-13 269 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  UCR272653  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7573 Riverside along Eagle Mountain Road north of Hwy I-10, at large wash crossin west of Desert Center, western Chuckwalla Valley Comment
  UCR34995  Amaranthus fimbriatus L. B. Ziegler 1967-9-28 256 Riverside San Jacinto Mountains, Pinyon Flats 1250 Comment
  JEPS54313  Amaranthus palmeri T. S. Brandegee 1901-4-3 Riverside Salton Creek Colorado Desert Comment
  RSA652939  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside: Hillside area, along the S side of Dewey St., between Streeter Ave. and Palm Ave. 237 Comment
  RSA715262  Amaranthus retroflexus A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23169 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. E of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  RSA772532  Ambrosia acanthicarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4482 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
  SBBG119940  Ambrosia confertiflora A. C. Sanders 1996-5-14 18169 Riverside E side of Intertstae 215 at Alessandro Blvd, Moreno Valley (Edgemont) 470 Comment
  RSA27571  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA302651  Ambrosia dumosa J. R. Shevock 1972-3-13 1403 Riverside Hwy 111, near Palm Springs 183 Comment
  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
  SFV3923  Ambrosia dumosa M. L. Vincent, R. H. Swade 1963-10-19 468 A Riverside On California State Highway 74 about 6 miles south of Palm Desert. Roadside. Comment
  UC31939  Ambrosia dumosa S. B. Parish Apr 4 1896-Apr 13 1896 4121 Riverside Palm Springs, (Agua Caliente); San Jacinto Mt. 152 Comment
  CAS-BOT-BC30798  Ambrosia ilicifolia Edmund C. Jaeger 1921-4-12 s.n. Riverside Aztec Wash. Chuckawalla Mts. Comment
  UCR103737  Ambrosia psilostachya A. C. Sanders 1997-11-20 21618 Riverside Lake Skinner Reserve area, mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  LA203747  Ambrosia salsola Martha Hilend; 1929-3-24 sn -b Riverside Thousand Palms Comment
  UCR244304  Ambrosia salsola Jim Andre 2012-4-15 20855 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  JEPS121497  Ambrosia salsola var. salsola Adam C. Schneider with Will Freyman 2014-2-16 412 Riverside West side of Highway 177. Comment
  UC809697  Ambrosia salsola var. salsola E. K. Balls 1949-4-2 12904 Riverside open slopes towards Salton Sea near Durmid (on Hwy 111); Colorado Desert -67 Comment
  UC897993  Ambrosia salsola var. salsola R. H. Peebles and H. F. Loomis 1930-4-6 124 Riverside Shaver's Well Comment
  UC912204  Ambrosia salsola var. salsola Herbert L. Mason 1928-3-10 4220 Riverside Hidden Springs Canyon Coachella Mountains Comment
  UCD80959  Ambrosia salsola var. salsola Chuck Hughes 2009-3-23 56 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCSB9695  Ambrosia salsola var. salsola Leeuwen, Henry 1957-4-13 Riverside In Whitewater Canyon, 2 miles from U.S. 60 Comment
  RSA726820  Amorpha fruticosa Steve Boyd, Aydee Virgen 2004-4-13 10849 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC219586  Amorpha fruticosa P. A. Munz 1922-6-24 5790 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
  CDA40436  Amsinckia eastwoodiae K. Frick 1962-3-14 s.n. Riverside South end of Hemet Valley. 0 Comment
  JOTR34061  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2959 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  UC1329903  Amsonia tomentosa James E. Cole 1941-5-14 703 Riverside Queen Valley Joshua Tree Nat'l Monument, Queen Valley 1280 Comment
  UC667382  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-4-29 2102 Riverside 10 mi. s. 29 Palms; Joshua Tree Nat'l Monument 1158 Comment
  UCR275486  Anagallis arvensis T. B. Salvato, Melissa Clemons 2005-6-9 1509 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  POM9765  Andropogon glomeratus Mary F. Spencer 1921-7-16 1693 Riverside In canyon near San Jacinto. Comment
  UCR97751  Androstephium breviflorum Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  UC4897  Anemopsis californica Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley; Southern California, San Jacinto Valley Comment
  UCR944  Anemopsis californica Robert A. Hawthorne 1957-5-1 s.n. Riverside Riverside, west side of Lake Evans 244 Comment
  RSA416653  Anisocoma acaulis Gale Sphon 1955-5-22 s.n. Riverside Montane meadow, Hemet meadow. Comment
  SEINET10721346  Antennaria David B. Dunn 1946-8-18 Dunn 2760 Riverside On dry gravely soil on ridge overlooking round valley where the trail forks going to Round valley & to Peak; but 50 feet farther up trail. 2743 Comment
  SBBG65810  Anthemis cotula M. N. Ackley -Feb-1926 288 Riverside near Edom, Colorado Desert Comment
  SEINET6809544  Antheropeas wallacei Unknown 1997-3-14 Riverside 22 air miles SE of Palm Springs; Palm Springs; 22 air miles SE of Comment
  UCR121190  Anthriscus caucalis D. E. Bramlet 1990-4-26 1975 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  UCR20975  Anthriscus caucalis G. Auxier 1980-4-30 s.n. Riverside Peninsular Range, 2 mi. north of Rainbow 366 Comment
  JEPS83435  Antirrhinum coulterianum David M. Thompson 1983-5-6 294 Riverside 1.9 mi e Aguanga, junction of Hwy. 79 and Hwy. 371, off Hwy. 79 (0.4 mi up wide gravel/dirt road); Aguanga, Aguanga Quad. (7.5', 1954) 792 Comment
  UC64222  Antirrhinum coulterianum H. M. Hall 1900-1 579 Riverside vicinity Riverside (Gavilan Mts); Gavilan Mts., Riverside 457 Comment
  UCR158507  Antirrhinum coulterianum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30035 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR162269  Antirrhinum coulterianum 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
  JOTR32149  Antirrhinum filipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2304 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA180376  Antirrhinum kelloggii E. W. Lathrop 1960-5-27 5219 Riverside 6 miles west of Murrieta. Comment
  SD262335  Antirrhinum nuttallianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-6-8 617 9 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd (Alberhill 7.5'Q) 366 Comment
  UCR151067  Antirrhinum nuttallianum Scott D. White 1998-6-17 6750 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  UC64224  Antirrhinum nuttallianum subsp. nuttallianum H. M. Hall 1897-6-1 Riverside Riverside foothills Riverside Comment
  UCR20706  Antirrhinum nuttallianum subsp. nuttallianum A. C. Sanders, Steve Boyd 1980-5-2 1445 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA614868  Antirrhinum nuttallianum subsp. nuttallianum B. Pitzer 1997-4-11 3115 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
  SD143759  Aphanes occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: Northeast of Skinner Lake in a tributary to Rawson Canyon, along dirt road. North-facing slope in a brushy side canyon 502 Comment
  RSA272179  Apiastrum angustifolium C. W. Tilforth 1978-4-30 1571 Riverside Low rounded hills east of Norco. Comment
  RSA515330  Apiastrum angustifolium Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW slope of Mesa de Burro., (Near 33d 31 N, 117d 14 W). 579 Comment
  RSA717461  Apiastrum angustifolium Scott D. White 2006-4-28 11317 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR174458  Apiastrum angustifolium A. C. Sanders 2006-5-19 32388 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR150029  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UC66491 Image available Aralia californica E. A. Zumbo 1904-1 430 Riverside <Cold Water> Canyon Santa Ana Mts., <Cold Water> Canyon Comment
Read comments
Jun 23 2011
  RSA629406  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19500 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629469  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16839 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  UCSB26205  Arctostaphylos glandulosa subsp. adamsii Gliessman, Stephen 1968-7-17 Riverside 50 yards west of Little Thomas Mountain Road, 3.9 miles north of junction with Highway 74, Little Thomas Mountain 1554 Comment
  UC1120227  Arctostaphylos glandulosa subsp. zacaensis A. Lewis 1933-2-2 149 Riverside Reed Valley San Jacinto Quadrangle Comment
  LA42420  Arctostaphylos glauca C. B. Wolf; 1932-5-25 3695 Riverside 0.5 mi. SW of summit of Moreno Grade, Bad Lands, SW of Beaumont 609 Comment
  RSA631727  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16502 Riverside Hills around Indian Oaks Ranch, east of Lake Skinner. 500 Comment
  RSA631745  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15530 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA631814  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21807 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA632655  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16523 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA633579  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20132 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633580  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20118 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633677  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20128 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633686  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16669 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  CLARK-A1528-449  Arctostaphylos pringlei subsp. drupacea Kim Mortensen 1969-5-10 24 Riverside San Jacinto Mountains Comment
  RSA635647  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16613 Riverside Road to Santa Rosa Mtn. (7S02), 1.5 km south of Hwy 74. 1540 Comment
  SEINET10684105  Arctostaphylos pringlei subsp. drupacea Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 15 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  CSUSB1374  Arctostaphylos pringlei var. drupacea S. ally Crum 1966-5-12 Riverside San Jancinto Mountains San Jacinto Mountains. About 2 miles below Lake Fulmor on Idyllwild to Banning Road in very dense chaparral on rocky slope 1158 Comment
  CAS-BOT-BC44813  Arctostaphylos pungens Winfield 1975-5-4 2423 Riverside James - San Jacinto Reserve 1615 Comment
  RSA635769  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16542 Riverside Red Mountain Road, 8.7 km east of R3. 1000 Comment
  RSA636182  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19538 Riverside West of Temecula, north-facing slopes off Carancho Rd., 2.8 km west of Via Volcano, eastern Santa Margarita Mtns. 320 Comment
  SDSU17424  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 410 Riverside Santa Margarita Ecological Reserve, on ridgeline above the Santa Margarita River to the south. 300 Comment
  LA212121  Arctostaphylos tomentosa Elliott Waite; 1950-4-30 s.n. Riverside Vandeventer Flats. 1523 Comment
  UCR48523  Arenaria douglasii Steve Boyd 1986-4-20 1724 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. 640 Comment
  UC1361894  Arenaria macradenia var. macradenia Reid Moran 1968-8-3 15366 Riverside Santa Rosa Mtn. Santa Rosa Mtn. (1 mile w of summit) 2150 Comment
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Jan 2 2010
  RSA105994  Argemone munita subsp. munita Gerald B. Ownbey 1954-5-22 2112 Riverside 2.8 miles se of Palm Springs. Comment
  RSA339663  Argythamnia serrata C. W. Tilforth 1980-5-28 54166 Riverside San Bernardino Mountains: Dry Colorado Desert slopes, S-facing and W-facing, N0S rocky rifge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. On rocky ridge at S end. Comment
  LA9309  Aristida adscensionis Louis C. Wheeler; 1931-11-26 373 Riverside Salton Bench Mark -15 Comment
  UCR130118  Aristida adscensionis Scott D. White 2001-4-3 8232 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR252607  Aristida adscensionis T. B. Salvato, Matthew Malle 2013-4-15 7538 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 1.10 mi northeast of the junction of Lake Street and Hwy I-15 567 Comment
  UCSB298  Aristida adscensionis Graney, Don 1953-3-21 Riverside 13 mi E of Indio; Colorado Desert Comment
  CLARK-A1528-4471  Aristida hamulosa John C. Roos 1941-8-2 82 Riverside San Jacinto River 761 Comment
  CLARK-A1528-4487  Aristida purpurea John C. Roos 1942-5-1 1153 Riverside Joshua Tree National Monument Comment
  UC1130848  Aristida purpurea H. S. Yates 1937-6-27 6711 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle Comment
  UC573785  Aristida purpurea H. S. Yates 1937-6-27 6711 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle Comment
  SD5834  Artemisia douglasiana F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mountains. Comment
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Aug 21 2007
  RSA508336  Artemisia dracunculus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  POM6098  Artemisia ludoviciana subsp. albula I. M. Johnston 1918-4-3 1847 Riverside San Jacinto Canyon. (Oak Cliff). 686 Comment
  RSA588758  Artemisia tridentata subsp. tridentata Darin L. Banks, Steve Boyd 1995-10-26 0836 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Woodchuck Road, N of Woodchuck Campground; Approximately 0.15 miles from Hwy. 79, along a small drainage that crosses the road. 518 Comment
  UC1119479  Artemisia tridentata subsp. tridentata A. Lewis 1934-5-1 463 Riverside Temescula River Elsinore Quadrangle, Temescula River Comment
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Dec 11 2011
  UC1782173  Artemisia vulgaris O. F. Clarke 2000-12-9 Riverside O. F. Clarke residence, 266 Frost Court 360 Comment
  SD247302  Asclepias albicans Andy Sanders, Jim Malusa 2015-3-10 41386 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range. 611 Comment
  RSA612606  Asclepias californica D. L. Banks, Victor Steinmann 1997-3-13 1491 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR158129  Asclepias californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30098 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  POM3352  Asclepias erosa H. M. Hall 1901-06 2111 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  UCSB11461  Asclepias subulata Dearing, Hugh; Dearing, Margaret 1940-11-10 Riverside 1000 Palm Canyon, Colorado Desert Comment
  POM96855  Asclepias subulata P. A. Munz 1926-1-1 10818 Riverside Thousand Palms, Riverside County. Comment
  RSA661032  Aster bernardinus A. C. Sanders, Mitch Provance 1999-9-26 23078 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  RSA0014460  Astragalus aridus Justin M. Wood, J. Miner 2010-4-29 1533 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA794018  Astragalus aridus A. C. Sanders 2010-3-23 37539 Riverside Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  CAS-BOT-BC177514  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside Between Cottonwood Spgs. and Pinto Basin Comment
  JOTR30258  Astragalus coccineus Leary, C. and Leary, Pat 1979-5-6 3030 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  SD128289  Astragalus douglasii var. parishii R. Mitchel Beauchamp 1971-5-15 2419 Riverside Black Mountain Road, San Jacinto Mountains. 1615 Comment
  RSA90738  Astragalus douglasii var. parishii F. W. Peirson 1922-4-29 2955 Riverside In the wash along Temecula River, Aguanga, Riverside. 579 Comment
  SD181526  Astragalus gambelianus Scott D. White 2000-5-1 7746 Riverside Corona, western foothills of Santa Ana Mountains near Bedford Canyon; Corona South [quad]. Scarce in graded soil adjacent to undisturbed CSS. 351 Comment
  CAS-BOT-BC187115  Astragalus lentiginosus var. borreganus H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert 240 Comment
  UC1929755  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside COACHELLA VALLEY: Palm Springs. Northeast corner of 30th Ave. and Devall St. Comment
  UCR161367  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-25 4217 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  SD230229  Astragalus pachypus var. jaegeri Russell S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran Desert Transition: Horse Canyon, off Coyote Canyon Comment
  CLARK-A1045-116  Astragalus palmeri George K. Helmkamp 1978-4-1 Riverside Pinyon Flat Pinyon Pine[s] area, [flats] above Deep Canyon; Palm Desert 15'Q Comment
  POM13586  Astragalus palmeri P. A. Munz 1922-4-13 4935 -a Riverside Eagle Mountains 274 Comment
  RSA0100143  Astragalus palmeri Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8583 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  RSA0025522  Astragalus palmeri John F. Emmel 1986-4-12 997 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  RSA713871  Astragalus pomonensis M. Wall 2006-3-17 411 Riverside East Hemet Valle Vista area off of Cedar Avenue off of Mountain 509 Comment
  RSA752132  Astragalus pomonensis Justin M. Wood, Brandy Wood 2009-7-4 1036 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  SEINET2060274 Image available Astragalus pomonensis Conrad Bahre 1970-5-3 Riverside 16 mi E of Riverside along Hwy 60 in the badlands 762 Comment
  OBI54982  Athyrium filix-femina Marjorie Lewis 1947-8-26 17 Riverside Dark Canyon San Jacinto Mts. 1981 Comment
  POM48357  Athyrium filix-femina P. A. Munz, I. M. Johnston 1924-7-27 8794 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA0086760  Athysanus pusillus R. G. Swinney 1967-5-26 11729 Riverside Snow Creek. 335 Comment
  RSA614289  Athysanus pusillus D. L. Banks, V. W. Steinmann 1997-3-13 1519 Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA776685  Atrichoseris platyphylla Duncan S. Bell, Amanda Turek 2010-4-10 798 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SBBG15833  Atrichoseris platyphylla D. Graney 1953-3-23 131 Riverside ca. 11 mi E of Indio Comment
  RSA452696  Atriplex argentea N. C. Cooper 1943-10-9 955 Riverside Hemet. 305 Comment
  POM182368  Atriplex canescens Joseph A. Ewan 1931-10-3 s.n. Riverside Mockingbird Canyon near Arlington Comment
  SEINET3930604  Atriplex canescens Grant D. Brown 1950-3-5 491 Riverside 3 miles east of Indio on highway #60/70.; 0 9 Comment
  UC1136263  Atriplex canescens R. St. John 1929-1-24 5 Riverside mouth Bautista Canyon; San Jacinto Quad., Mouth of Bautista Canyon Comment
  UC850763  Atriplex canescens Carl B. Wolf 1933-8-2 5181 Riverside Cottonwood Spring Colorado Desert, , Cottonwood Spring (Eagle Mts.) 289 Comment
  JOTR29250  Atriplex canescens subsp. canescens La Doux, Tasha 2005-8-17 1531 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1335 Comment
  RSA550482  Atriplex coronata var. notatior D. E. Bramlet 1992-5-6 2264 Riverside Northern duck club ponds to the east and south of the san Jacinto wildlife area (just south of S Contour Rd.) The site is some 122 m south of teh pond that is on the eastern boundry of the duck club area., This site is just above (west) of the Mystic La 436 Comment
  RSA735862  Atriplex coronata var. notatior Scott D. White, Justin Wood 2008-4-16 11892 Riverside I-215 freeway S of San Jacinto River crossing. 431 Comment
  UCR201822  Atriplex coronata var. notatior Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR24121  Atriplex coronata var. notatior John C. Roos 1965-6-30 s.n. Riverside Perris-Aguanga Basin region, Perris Comment
  UCR66973  Atriplex coronata var. notatior D. E. Bramlet 1990-6-14 2038 Riverside San Jacinto Valley, c. 6.5 km SW of Hemet, c. 400 m north of the Santa Fe RR tracks and adjacent to (E of ) MWD canal, c. 900 m west of Warren Ave 457 Comment
  UCR90767  Atriplex davidsonii D. E. Bramlet 1993-5-16 2354 Riverside San Jacinto Valley, 5.8 km west of Hemet, 732m south of Florida Avenue and 244m west of Warren Road, 549m east of the MWD canal and 30m east of the San Diego Aqueduct. 456 Comment
  UCR208450  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02- 521 Riverside Peninsular Range; Temescal Canyon Mouth, city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  CLARK-A1528-2524  Atriplex lentiformis John C. Roos 1937-8-20 1224 Riverside Coachella Comment
  SEINET4136681  Atriplex lentiformis S. Langer 1994-4-6 s.n. Riverside Junction of Mecca and Hwy. 195.; 0 58 Comment
  RSA450605  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Thousand Palms oasis, in the Indio Hills, Coachella Valley. 168 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
  RSA689434  Atriplex suberecta R. E. Riefner 2003-5-27 3 -253 Riverside Perris Valley, Rider Street near Perris Valley Storm Drain. 483 Comment
  UCR2185  Avena barbata F. M. Reed 1903-12-10 418 Riverside Riverside, Iowa Ave. near (Urquhart?) Ranch 305 Comment
  RSA516752  Avena fatua Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA614131  Avena fatua D. L. Banks 1997-2-23 1298 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA0123354  Ayenia compacta Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9050 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
  RSA77226  Ayenia compacta F. W. Peirson 1922-4-9 9600 Riverside Andreas Canyon, Palm Springs region 457 Comment
  UCR120699  Ayenia compacta J. Zabriskie 1973-8-10 373 Riverside Deep Canyon, Deep Canyon, growing out of a crack in granite rock, exposed, near stream between first falls and alder pool. Also common in rocky gullies at Upper Site 793 Comment
  UC527184  Baccharis brachyphylla Carl B. Wolf 1932-10-11 Riverside 3/10 mi below the San Bernardino County line Morongo Wash 670 Comment
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Feb 10 2013
  UCR25196  Baccharis brachyphylla John C. Roos 1950-12-2 5028 Riverside Sonoran (Colorado) Desert, Eagle Mountains, Munsen ['Monson'] Canyon 1067 Comment
  CLARK-A1528-5225  Baccharis glutinosa John C. Roos 1949-9-17 4658 Riverside Whitewater Wash 518 Comment
  POM10239  Baccharis salicifolia Charlotte M. Wilder 1904-3-19 s.n. Riverside Wilders Canyon, Jurupa Hills Comment
  RSA145921  Baccharis salicifolia William McKinley Klein, J. E. Klein 1958-2-9 21 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  RSA192011  Baccharis salicifolia E. W. Lathrop 1959-4-1 4379 b Riverside 18 mi SW of Elsinore & Tenaja Guard Station, Cleveland Natl Forest, Tenaja Cyn. Comment
  RSA25156  Baccharis salicifolia C. L. Hitchcock 1940-4-12 6408 Riverside 8 mi. northwest of Elsinore 457 Comment
  UCR237685  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4580 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  JEPS40677  Baccharis salicifolia subsp. salicifolia L. M. Newlon 1922-4-3 443 Riverside Andreas Canyon Comment
  CLARK-A1528-2175  Baccharis sergiloides John C. Roos 1946-9-14 3003 Riverside San Jacinto Mountains 1066 Comment
  POM350456  Baccharis sergiloides L. C. Wheeler 1933-12-1 2292 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  CAS-BOT-BC295888  Bahiopsis parishii John Thomas Howell 1927-8-1 2882 Riverside Near T Cross K Ranch, n. Colorado Desert 609 Comment
  CAS-BOT-BC295895  Bahiopsis parishii H. M. Hall 1905-4-1 5877 Riverside Colorado Desert. Chuckawalla Bench Comment
  POM8406  Bahiopsis parishii Mary F. Spencer 1920-3-27 788 Riverside near Palm Springs 122 Comment
  RSA450760  Bahiopsis parishii J. C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns. 701 Comment
  CAS-BOT-BC99963  Baileya pauciradiata N. Aitkenhead 1977-2-4 2288 Riverside near sand dunes N. of Mule Mountains Comment
  SEINET2047556 Image available Baileya pleniradiata N. Cooper 1949-4-9 3326 Riverside Blythe area 81 Comment
  RSA784947  Bebbia juncea Duncan S. Bell 2012-2-12 3125 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR260869  Bebbia juncea A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41563 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., lower Horsethief Canyon Wash just above DePalma Rd. crossing, 1/4 mile NW of Horsethief Canyon Rd. junction 375 Comment
  CAS-BOT-BC100123  Bebbia juncea var. aspera M. McCollum 1976-6-10 2009 Riverside 8 mi SSW of Yucca Valley 914 Comment
  CAS-BOT-BC100132  Bebbia juncea var. aspera Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC100136  Bebbia juncea var. aspera J. Von Loh 1978-1-23 3311 Riverside Palo Verde Mesa, 12 mi. W. of Blythe 121 Comment
  RSA793273  Bebbia juncea var. aspera Aaron C. Sedgwick, Joella Simons Adkins 2012-10-23 144 Riverside In a wash east of the intersection of Hwy. 62 and 177 in the Granite Mtns. The northwestern section of the Granite Mtns. 451 Comment
  UC604870  Bebbia juncea var. aspera Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9555 Riverside 1 mi below Cottonwood Springs Comment
  UCR104618  Berberis dictyota D. E. Bramlet, E. Robertson 1989-5-17 1863 Riverside Perris-Aguanga basin, Lake Perris, S facing slope of Mt. Russell, some 457m SW of the summit. The site is approximately 2.07 km west of Davis Road and 1.74 km south of Alessandro Blvd. 732 Comment
  CLARK-A1528-5633  Berberis nevinii John C. Roos 1948-2-21 3772 Riverside San Timoteo Canyon Comment
  RSA479264  Bernardia incana Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  RSA5371  Bernardia incana B. D. Stark 1932-6-17 3750 Riverside Canyon above Cottonwood Springs. Eagle Mountains, Colorado Desert. Upper edge of lower Sonoran. Comment
  UC1281152  Bernardia incana H. E. McMinn 1935-6-27 4070 Riverside Palms to Pines Hwy. on grade to the valley Comment
  UC128992  Bidens laevis Geo. R. Hall 1905-1 Riverside Riverside Comment
  UC30574  Bidens laevis E. L. Koethen 1897-10-16 Riverside Riverside Comment
  RSA192136  Bloomeria crocea var. crocea E. W. Lathrop 1960-6-7 4901 b Riverside 14 miles west of Murrieta Comment
  CAS-BOT-BC434522  Boerhavia diffusa S. B. Parish; W. F. Parish 1881-7-1 590 Riverside Base of San Jacinto Mt. Comment
  JOTR30069  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA40563  Boerhavia triquetra J. C. Roos 1946-11-29 3178 Riverside south foot of Eagle Mountains, east of Hayfields Comment
  UCR264242  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41849 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  JOTR38520  Boerhavia wrightii Harding, Mitzi, Kipp Callahan 2012-8-27 289 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA38417  Bothriochloa barbinodis P. A. Munz 1946-10-21 11588 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  UCR264213  Bouteloua aristidoides A. C. Sanders, Jim Malusa 2015-9-10 41861 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  LA11370  Bouteloua aristidoides var. aristidoides Carl Epling; William Stewart 1936-9-1 sn Riverside Desert Center Comment
  RSA719269  Bouteloua aristidoides var. aristidoides Michael Honer, L. Hulse 2004-4-3 1917 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  RSA712215  Bouteloua barbata var. barbata Andrea Warniment, Pam De Vries 2005-12-13 ADW- 6 Riverside Northern edge of Interstate-10, next to road shoulder, east of Indio. 76 Comment
  UCR234284  Bowlesia incana A. C. Sanders, John F. Green 2012-4-6 40012 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  SEINET13276693 Image available Brachypodium distachyon Steve Boyd 2011-1 12306 Riverside Coastal plains and basins; San Bernardino basin region.: City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  RSA394244  Brandegea bigelovii M. B. Dunkle 1935-4-17 4564 Riverside W. of Wiley Well. Colorado Desert. Comment
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Dec 14 2011
  SEINET8710942 Image available Brassica fruticulosa A. C. Sanders 2008-1 34418 Riverside Peninsular Range: Box Springs Mtns.; Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road 428 Comment
  CLARK-A1703-1190  Brassica tournefortii Charles S. Papp 1964-5-22 468 Riverside Riverside Comment
  RSA709905  Brassica tournefortii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4610 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA793532  Brassica tournefortii Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3955 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SFV6318  Brassica tournefortii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 33 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  UCR16147  Brassica tournefortii Grace Sprague 1968-4-29 s.n. Riverside Western Colorado Desert, on Hwy 111, 5 mi north of Palm Springs where the San Jacinto Mtns are closest to the highway Comment
  UCR202770  Brassica tournefortii Judy Gibson 2008-3-17 s.n. Riverside Sonoran (Colorado) Desert, city of Palm Desert, Sun City retirement community on Westridge Ave, c. 100 yards soputh of Grape Arbor Ave 34 Comment
  UCR211819  Brassica tournefortii Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1079 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  CAS-BOT-BC106337  Brickellia atractyloides var. arguta B. D. Stark 1930-5-4 831 Riverside Morongo Pass Comment
  JOTR37468  Brickellia atractyloides var. arguta Hodges, Stephen, T. Green 2016-5-5 590 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  UCR92395  Brickellia californica F. M. Reed 1927-10-11 5497 Riverside South Coast; San Bernardino Valley, Riverside, foothills of Box Springs Mtns. 365 Comment
  CAS-BOT-BC106194  Brickellia desertorum S. B. Parish 1896-4-2 s.n. Riverside Andreas Canyon, Palm Springs - Colorado Desert Comment
  RSA700108  Brickellia desertorum Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  UC1518846  Brickellia desertorum Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55388 Riverside 3.3 mi n of Whitewater Post Office (side canyon on w side of Whitewater Canyon, San Bernardino Mts.); San Bernardino Mts. 594 Comment
  UCR22090  Brickellia desertorum Steve Boyd 1980-9-23 361 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. 625 Comment
  SBBG101687  Brickellia oblongifolia var. linifolia S. Boyd with T. Ross 1991-6-8 6325 Riverside Pinyon Flat at jct of Santa Rosa Mtn Rd and St Hwy 74 1400 Comment
  CLARK-A1045-180  Brodiaea filifolia George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5' Q Comment
  POM11651  Brodiaea filifolia Philip A. Munz, I. M. Johnston 1922-5-19 5412 Riverside 1 mi E of Perris Comment
Read comments
Jul 6 2009
  UCR196006  Brodiaea filifolia R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 52007 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  CAS-BOT-BC149332  Bromus arizonicus H. M. Hall 1905-1-1 5980 Riverside Colorado Desert. Comment
  UCD34817  Bromus arizonicus Beecher Crampton 1963-5-7 6778 Riverside Riverside County, Riverside, jct. of Pennsylvania and Iowa aves.. Comment
  UCR86644  Bromus arizonicus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16271 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  LA13864  Bromus berteroanus F. M. Reed; 1909-4-7 1274 Riverside Box Spring Mountains Comment
  RSA741063  Bromus carinatus Scott D. White, Justin M. Wood 2008-6-5 12070 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR137360  Bromus carinatus John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR213898  Bromus carinatus Scott D. White, Justin Wood 2009-5-22 12896 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UC1563599  Bromus carinatus var. carinatus A. C. Sanders 1989-4-30 9068 Riverside Riverside, at 422 Campus View Drive, (in rigth-of-way behind house) Riverside; , Campus View Drive Comment
  CAS-BOT-BC155879  Bromus ciliatus Philip A. Munz 1938-8-14 15356 Riverside Virgin Spring, Santa Rosa Peak. 2286 Comment
  SEINET186325 Image available Bromus ciliatus Philip A. Munz 1938-8-14 16356 Riverside Virgin Spring, Santa Rosa Peak 2286 Comment
  POM259175  Bromus ciliatus var. ciliatus P. A. Munz 1938-8-13 15319 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  UCR138916  Bromus diandrus Julie A. Greene 1993-4-3 1078 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of levee road, south of the permanent pond 441 Comment
  UCR183174  Bromus diandrus Mitch Provance 2003-5-5 4400 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA752885  Bromus hallii Orlando Mistretta 2009-7-10 3992 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
Read comments
Jun 16 2018
  UCSB18305  Bromus madritensis subsp. rubens Boyles, Robert 1964-5-10 Riverside Pinon Flats Public Campgrounds; 300 yds N of Hwy 75 1249 Comment
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Nov 22 2010
  UCR24949  Bromus marginatus A. C. Sanders 1980-7-18 1655 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR9398  Bromus marginatus D. H. Wilken 1965-6-21 281 Riverside San Jacinto Mtns., Herkey Creek Public Camp, W end of the Hemet (Garner) Valley 1372 Comment
  RSA717337  Bromus rubens Scott D. White, Angelia Carey 2004-4-5 10013 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA771122  Bromus rubens Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5003 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
  SEINET3923271  Bromus rubens R. L. Piemeisel 1913-5-2 05409463 Riverside Crestmore field.; 0 Comment
  UCR102764  Bromus rubens B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3593 .2 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR158272  Bromus rubens A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29501 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR172140  Bromus rubens A. C. Sanders 2006-5-11 32256 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR234225  Bromus rubens A. C. Sanders, John F. Green 2012-3-20 39979 Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, Collier Ave. at 3rd St., just south of I-15 Fwy 389 Comment
  POM363962  Bromus rubens Ora M. Clark 1929-2-23 1554 Riverside North Whitewater., [Locality: 35?55'30N 116?38'15W] Comment
  RSA495406  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2893 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA595313  Bromus rubens D. L. Banks, Victor Steinmann 1996-4-20 885 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
  UCR243571  Bromus tectorum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21107 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UCR58480  Bromus tectorum Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  CLARK-A1528-4559  Bromus trinii John C. Roos 1962-3-24 Riverside Whitewater Canyon Comment
  CHSC852  Caesalpinia virgata V. Holt 1942-3-29 Riverside Indio. 152 Comment
  RSA87000  Caesalpinia virgata F. W. Peirson 1922-4-11 4426 Riverside Deep Canyon Wash, south side of Coachella Valley 274 Comment
  RSA701342  Calandrinia ciliata Michael Wall 1996-5-13 136 Riverside Cherry Valley N of Beaumont Oak Glen Rd, 2.6 mi N of Cherry Valley Blvd, W side of rd. Comment
  UCR51068  Calandrinia ciliata S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCD132935  Calocedrus decurrens Lionel A. Stange 1956-5-13 s.n. Riverside San Jacinto Mountains, Dark Canyon campground. Comment
  UCR131460  Calocedrus decurrens June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
  SEINET10531058  Calocedrus decurrens David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46538 Riverside Native tree collected in the vicinity of Idylwild in the San Jacito Mts. 2134 Comment
  RSA562491  Calochortus albus Steve Boyd, Timothy S. Ross 1992-5-5 7245 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats. Bluewater Trail. 732 Comment
  JOTR33957  Calochortus kennedyi var. kennedyi La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2843 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
  RSA369043  Calochortus palmeri var. munzii N. C. Cooper 1944-5-20 1262 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  RSA79326  Calochortus plummerae Percy C. Everett, E. K. Balls, Lee Lenz 1952-7-1 17281 Riverside 6.7 mi W along Hwy 74 from jct w/ rd. S from Idyllwild. Comment
  RSA659415  Calochortus splendens Marcy Keys 1981-5-16 64 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  UCR172767  Calochortus splendens Abby Sirulnik, Ian G. Gillespie 2000-5-14 53 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR48370  Calycadenia tenella Steve Boyd 1986-5-7 1826 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  GMDRC2050  Calycoseris parryi J. Andre 2006-4-26 6768 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
  RSA781806  Calycoseris wrightii Duncan S. Bell 2010-5-1 893 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA796093  Calycoseris wrightii Duncan S. Bell 2009-4-20 309 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  RSA543734  Calystegia macrostegia subsp. intermedia Steve Boyd, Timothy S. Ross, Mike Hammitt, Bob Boyd 1991-5-2 6069 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
  UCR94265  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  SJSU8754  Calystegia macrostegia subsp. tenuifolia T. G. Balgooyen 1966-4-5 Riverside roadside 10 mi W of Hemet Comment
  UC1292286  Calystegia macrostegia subsp. tenuifolia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23108 Riverside on road to Elsinore 10 mi n Pala; n of Pala Comment
  UCR137361  Calystegia occidentalis subsp. fulcrata John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR273978  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 12 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  UCR137352  Camissonia John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR241184  Camissonia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 07 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  RSA0120626  Camissonia arenaria Duncan S. Bell, Thomas Stoughton 2016-3-16 8937 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 428 Comment
  HSC16408  Camissonia bistorta C. L. Hitchcock 1966-3-15 24173 Riverside 4 mi. NE of Aguanga Comment
  RSA465922  Camissonia bistorta D. A. Young 1968-3-28 P 331 Riverside At end of Hayfield Road, South of Interstate 10. Creosote scrub. 305 Comment
  RSA523490  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3950 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UCR167453  Camissonia boothii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA278965  Camissonia boothii subsp. condensata Barry A. Prigge 1978-3-23 2412 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA782076  Camissonia boothii subsp. desertorum Duncan S. Bell 2009-3-9 114 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  JOTR31006  Camissonia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1291 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA134498  Camissonia californica Harlan Lewis, M. Lewis 1953-3-15 1610 Riverside Colorado Desert, Pushawalla Canyon in desert wash Comment
  RSA748372  Camissonia californica Justin M. Wood 2009-3-26 406 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  RSA772126  Camissonia californica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4831 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  SEINET7072826  Camissonia californica A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  RSA454727  Camissonia campestris H. de Forest, Rempel 1934-4-14 19809 Riverside San Gorgonio Pass. 602 Comment
  POM3108  Camissonia campestris subsp. campestris C. F. Baker 1904-4-5 s.n. Riverside Hemet Comment
  UCR19027  Camissonia cardiophylla John C. Roos 1946-12-7 3181 Riverside Western Colorado Desert, Pushawalla Wash Comment
  UCR226910  Camissonia claviformis subsp. aurantiaca Jim Andre 2011-2-2 16211 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR263506  Camissonia claviformis subsp. aurantiaca David Fraker, Aaron C. Sedgwick 2012-3-22 019 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
  UCR274854  Camissonia claviformis subsp. aurantiaca Aaron C. Sedgwick, David Fraker 2012-4-24 005 Riverside Sonoran (Colorado) Desert, Palen Valley south of Hwy I-10 on Dupont Road, c. 2 miles northeast of the Chuckwalla Mountains Wilderness Area 183 Comment
  UCR115341  Camissonia confusa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16260 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR118648  Camissonia confusa B. G. Pitzer, O. Clarke, S. Reed, G. Ruiz, et al 1998-3-7 3590 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR22125  Camissonia graciliflora Steve Boyd 1980-5-17 288 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  RSA652359  Camissonia hirtella Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  POM97135  Camissonia hirtella P. A. Munz 1925-5-20 9833 Riverside 2 miles west of Dripping Springs. 427 Comment
  POM86362  Camissonia pallida subsp. pallida Anstruther Davidson 1926-3-1 3613 Riverside Colorado Desert. Comment
  UCR226925  Camissonia pallida subsp. pallida Jim Andre 2011-2-2 16205 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  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
  RSA134476  Camissonia refracta T. Mosquin 1958-2-21 3189 Riverside Box Canyon. Comment
  RSA782087  Camissonia refracta Duncan S. Bell 2009-3-7 4 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UCR33631  Camissonia refracta Faulkner 1978-3-15 272 Riverside Sonoran (Colorado) Desert, 1 mi. west of Hwy 95, 25 mi. north of Blythe 152 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
  RSA454105  Camissonia strigulosa N. C. Cooper 1945-5-24 1644 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SEINET238561  Camissonia strigulosa George K. Helmkamp 1998-6-27 4103 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unamed spring. 1585 Comment
  UCR133368  Camissonia strigulosa Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 292 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCSB4434  Camissonia strigulosa Ralph, F. 1959-5-17 Riverside Hwy 74, about 17.2 miles north of Pinon Flats Campground, San Jacinto Mtns. 1371 Comment
  JOTR34475  Camissoniopsis pallida Andre, Jim 2012-4-16 20945 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  UC494678  Camissoniopsis pallida subsp. pallida Philip A. Munz 1932-3-14 12003 Riverside edge of wash Coachella Valley, Deep Canyon 91 Comment
  UCR166112  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16232 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UC1922539  Camissoniopsis pallida subsp. pallida Michael Honer with L. Hulse 2005-3-7 2028 Riverside Colorado Desert; Little San Bernardino Mountains region: Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 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
  SD232128  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  RSA0042250  Carex praegracilis Jeri Hirshberg 1989-7-26 s.n. Riverside Vicinity of Vail Lake: spring in Butterfield country. Comment
  RSA522270  Carex praegracilis Steve Boyd, David E. Bramlet, Harry Spilman 1989-4-30 3516 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  UC213315  Carex praegracilis I. M. Johnston 1918-4-27 1860 Riverside Murrieta 304 Comment
  CAS-BOT-BC94055  Carex sartwelliana Peter F. Zika; Nick Otting; Kate Kramer 2010-8-6 25301 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground, San Jacinto Mountains (SnJt) 1785 Comment
  RSA364556  Carex schottii I. M. Johnston 1918-4-27 1859 Riverside Murrieta. 305 Comment
  CAS-BOT-BC117448  Carex senta Mary Evelyn [nee Fisk] Spencer 1919-7-6 1263 Riverside Jaquito Meadow. 2377 Comment
  UC146061  Carex senta Charlotte M. Wilder 1909-7-11 1138 Riverside Round Valley San Jacinto Mountains 2743 Comment
  SEINET7575123 Image available Carex senta Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7664 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  CAS-BOT-BC115979  Carex subfusca Philip Alexander Munz 1938-8-14 15348 Riverside Meadow, Virgin Spring, Santa Rosa Peak. 2286 Comment
  CLARK-A1528-462  Cassia armata Charlotte Stocks 1963-6-15 Riverside Coachella Valley Comment
  JOTR35368  Castela emoryi Harding, Mitzi, M. Wheeler 2011-1-26 152 Riverside Joshua Tree National Park. West Coxcomb Mountains; rocky foothills/slopes above bouldery wash (STOP4) 424 Comment
  HSC87047  Castilleja affinis B. Pitzer, E. Misqez 1988-2-28 618 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  RSA562104  Castilleja affinis Steve D. Boyd 1992-4-14 6802 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  JEPS28841  Castilleja affinis subsp. affinis Peter H. Raven 1959-4-23 14014 Riverside 1.3 mi e Dripping Springs Comment
  SBBG34206  Castilleja applegatei subsp. martinii T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  SD229284  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-8-7 793 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UC488888  Castilleja applegatei subsp. martinii C. V. Meyer Jun 1927 167 Riverside Saunder's Meadow; San Jacinto Mts. 1737 Comment
  JEPS28840  Castilleja foliolosa Peter H. Raven 1959-4-23 14018 Riverside 1.2 mi w Dripping Springs (about 8 air mi e of Dripping Springs) 487 Comment
  POM4325  Castilleja foliolosa Jenkins, Street 1917-5-30 s.n. Riverside Idylwild Canyon. Comment
  RSA400576  Castilleja foliolosa N. R. Zabriskie, Walter M. Zabriskie 1971-4-9 383 Riverside West of water service road 2 mi. so. of Hwy. 74, Deep Canyon watershed, north slope Santa Rosa Mountains. Comment
  UCD122503  Castilleja foliolosa C. L. Hitchcock 1966-3-15 24164 Riverside About 10 miles n.e. of Temecula. Comment
  UCR165189  Castilleja foliolosa S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR213887  Castilleja foliolosa Scott D. White, Justin M. Wood 2009-5-22 12918 Riverside San Jacinto Mountains, Old Control Road, above Halfway Spring 1463 Comment
  UCSC000664  Castilleja minor subsp. spiralis I. J. Condit 2010-6-24 s.n. Riverside along stream stream - San Jacinto River Comment
  RSA0010916  Castilleja minor subsp. spiralis Philip A. Munz, I. M. Johnston 1924-7-29 8826 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1524 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
  RSA614163  Caulanthus D. L. Banks 1997-2-23 1314 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  JOTR16634  Caulanthus cooperi Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH JUMBO ROCKS 1280 Comment
  UCR70889  Caulanthus heterophyllus Steve Boyd, L. Arnseth, Yvonne Rasmussen, F. M. Cota 1990-5-3 4528 Riverside Peninsular Range, Vail Lake area, at jct of Hwy R3 and Powerline Road NE of the Lake 671 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
  SD108786  Caulanthus simulans James Henrickson 1973-3-18 8611 Riverside 33 miles east of Temecula, 5-7 miles southeast of Terwilliger at north end of Coyote Canyon Road, on the first steep grade to canyon. 760 Comment
  UCR17935A  Caulanthus simulans A. C. Sanders 1976-4-20 00224 A Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  JEPS48718  Ceanothus W. L. Jepson 1939-4-17 19164 Riverside 2 mi s Temecula (on Fallbrook rd) 304 Comment
  UC1594220  Ceanothus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3099 Riverside 1 mi W of Vail Lake 609 Comment
  CDA1657  Ceanothus crassifolius Mike Lahti 2007-5-31 PDR# 1361019 Riverside Murrieta; 26550 Pabesu Rd. Jo-Dan Farms Nursery. Comment
  RSA398880  Ceanothus crassifolius N. C. Cooper 1947-4-5 2028 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA569992  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7901 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UCR79353  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-1 7722 Riverside Peninsular Range, Vail Lake area, ridge about 1 mi. west of lake, east of 'Little' Oak Mt 610 Comment
  SDSU13698  Ceanothus crassifolius var. crassifolius James C. Dice with George Diggs 1987-12-7 763 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. 341 Comment
  POM48336  Ceanothus greggii var. perplexans E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA6732  Ceanothus greggii var. perplexans B. D. Stark 1933-4-2 4533 Riverside Palm to Pines Road, Pinyon Flats. 1220 Comment
  RSA85506  Ceanothus leucodermis J. C. Roos 1952-4-23 5574 Riverside 1/2 mi. southwest of Highgrove. 305 Comment
  UC1861762  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCD166567  Ceanothus leucodermis Dylan O. Burge 2016-6-13 2118 Riverside Santa Ana Mountains, roadside on California State Route 74, just W of Lake Elsinore. 608 Comment
  RSA0019575  Ceanothus megacarpus var. megacarpus Orlando Mistretta 1992-6-10 517 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA95353  Ceanothus oliganthus F. W. Peirson 1931-5-30 9380 Riverside Along Glen Ivy Trail to Santiago Peak, Santa Ana Mts. 762 Comment
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Oct 1 2011
  RSA606754  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27409 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA755791  Ceanothus perplexans Dylan O. Burge 2007-3-21 DOB 802 c Riverside San Jacinto Mountains, along Highway 243, 16.1 road miles north of Idyllwild, near the turn-off for Poppet Flat Road, 17.2 kilometers 319 degrees true north-northwest of Idyllwild. 1280 Comment
  SBBG4268  Ceanothus perplexans M. Van Rensselaer 1937-7-21 Riverside W of Vandeventer Flat Comment
  SEINET10778077  Ceanothus perplexans Dylan O. Burge 2007-3-21 Burge DOB 802 d Riverside San Jacinto Mountains, along Hwy 243, 16.1 road miles (25.8 km) north of Idyllwild, near the turn-off for Poppet Flat Road, 17.2 km 319 deg. (True) NNW of Idyllwild. 1280 Comment
  UCSB3903  Ceanothus perplexans Keator, Glenn 1959-5-17 Riverside Pinon flats near Colorado desert on Palms to Pines highway. Comment
  SD107755  Ceanothus tomentosus C. W. Tilforth, W. Wisura 1979-4-11 1762 Riverside East end of Murrieta-DeLuz Rd. ca. 2 air mi. south of Murrieta 334 Comment
  CAS-BOT-BC77629  Celtis reticulata Rimo Bacigalupi 1935-6-27 2358 Riverside 1/4 mile up, at head of 16th St., Banning Comment
  SD368  Cenchrus echinatus Fidella G. Woodcock Apr 1922 Riverside Mecca Comment
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May 28 2011
  CDA7297  Centaurea X pouzinii T. C. Fuller 1962-6-6 8846 Riverside South entrance to Fuller Rancho, ca. 5 miles north of Corona. 0 Comment
  UCR115138  Centaurea melitensis Mitch Provance 2000-10-28 2273 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  SD204959  Centranthus ruber R. F. Thorne, W. Wisura dn Dave Michener 1982-5-24 55194 Riverside Peninsular Ranges; Santa Ana Mountains region, along Ortega Highway. 732 Comment
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Oct 27 2011
  UCR266828  Centromadia pungens subsp. laevis D. E. Bramlet 2009-9-24 4400 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, NW of Hemet, San Diego Canal right-of-way south of Esplanade Ave. and west of Warren Rd. 459 Comment
  UC161908  Centrostegia thurberi var. thurberi C. R. Orcutt Riverside Colorado Desert Comment
  RSA605745  Cerastium glomeratum A. C. Sanders, G. K. Helmkamp 1996-3-17 17983 Riverside Coachella Valley: Palm Springs, mouth of Palm Canyon, ca. 0.5km E of Palm Canyon Dr. on Bogert trail. 163 Comment
  RSA85475  Cerastium glomeratum J. C. Roos 1952-4-16 5556 Riverside Pigeon Pass, Box Springs Mountains 457 Comment
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May 21 2011
  RSA405366  Cercidium floridum Elbert Benjamine 1929-3-6 140 Riverside Box Canyon, Coachella Valley. Comment
  CLARK-A1528-3061  Cercocarpus betuloides John C. Roos 1948-5-15 3854 Riverside Eagle Mountains Comment
  RSA171391  Cercocarpus betuloides J. D. Olmsted 1962-3-5 3490 Riverside Ravine at edge of Thomas. Mt. fire road south of Hemet Lake, NE flank of Thomas Mt.. 1418 Comment
  UC1719446  Cercocarpus betuloides var. macrourus D. Atwood 1993-3-26 17683 Riverside Santa Ana Mountains, 4.8 mi S of Lake Elsinore, along Hwy 74 807 Comment
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Nov 20 2007
  SD137639  Cercocarpus minutiflorus Darin L. Banks, Steve Boyd 1995-3-16 109 Riverside Cleveland National Forst, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 625 Comment
  SDSU13900  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA586793  Chaenactis artemisiifolia Darin L. Banks, Steve Boyd 1995-5-3 0231 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
  UCSB37396  Chaenactis carphoclinia Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns; Corn Springs Wash 457 Comment
  LA203110  Chaenactis carphoclinia var. carphoclinia Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  POM351670  Chaenactis carphoclinia var. carphoclinia L. H. Jones 1910-3-15 s.n. Riverside Rocky mountainside, Riverside Mtn, Colorado Rivers,. Comment
  RSA776820  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1093 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  CAS-BOT-BC276930  Chaenactis fremontii H. M. Hall 1902-4-1 2807 a Riverside Colorado Desert. Coyote Canyon 152 Comment
  RSA0077069  Chaenactis fremontii Jim M. Andre 2015-3-2 31350 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
  SEINET1086113 Image available Chaenactis fremontii G. Helmkamp, M. Rosczyk 1985-4-4 223 Riverside West edge of themain canyon 1/4 mile below the BLM gate. 518 Comment
  UCD130310  Chaenactis fremontii David Charlton 1988-2-25 1225 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. 5 miles east of Jct Dillon Road and Fargo Canyon Road. 609 Comment
  UCR226911  Chaenactis fremontii Jim Andre 2011-2-2 16212 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR234802  Chaenactis fremontii Jim Andre, Glenn L. Clifton 2011-2-22 17475 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  UC1951107  Chaenactis glabriuscula Scott D. White, Justin Wood 2009-5-22 12910 Riverside SAN JACINTO MOUNTAINS: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR213904  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-22 12910 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  UCR234247  Chaenactis glabriuscula A. C. Sanders, T. B. Salvato 2012-4-27 40093 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  UCR256801  Chaenactis glabriuscula T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7867 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 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
  POM351764  Chaenactis glabriuscula var. glabriuscula Ora M. Clark 1929-3-16 1691 Riverside South of Cabazon, Colorado Desert. Comment
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Mar 13 2011
  SD133191  Chaenactis glabriuscula var. glabriuscula Scott White 1991-5-13 91 115 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  CAS-BOT-BC277548  Chaenactis glabriuscula var. lanosa H. M. Hall 1901-6-1 2165 Riverside San Jacinto Mountains. Thomas Valley 1371 Comment
  CAS-BOT-BC277551  Chaenactis glabriuscula var. lanosa A. G. Vestal 1929-3-28 s.n. Riverside Near Banning Comment
  CAS-BOT-BC100678  Chaenactis parishii H. M. Hall 1899-5-1 1178 Riverside Coyote [Canon] Canyon, El Toro Mt. Comment
  VVC2185  Chamaesyce abramsiana Tim Thomas, Paul Frank, Art Schuab, Mike Honer 2012-9-5 5884 Riverside Colorado River Valley, Wilson Road; 0.3 miles west of the river. 104 Comment
  RSA0013034  Chamaesyce albomarginata LeRoy Gross, Caitlin Elam 2013-5-14 6057 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA644205  Chamaesyce micromera V. W. Steinmann 1999-10-26 1415 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  POM47126  Chamaesyce polycarpa Mary F. Spencer 1918-3-26 809 Riverside Palm Springs 137 Comment
  RSA793529  Chamaesyce polycarpa Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3952 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UCSB54160  Chamaesyce polycarpa McKinley, Gale 1985-3-27 Riverside 1/2 mile N of site #9 in Ryan Campground in Joshua Tree National Monument 1280 Comment
  RSA432407  Chamaesyce polycarpa var. polycarpa E. S. Spalding 1926-2-13 s.n Riverside Colorado Desert. Box Canyon on Blythe Road. Comment
  RSA740641  Chamaesyce polycarpa var. polycarpa Scott D. White, Justin M. Wood 2008-7-10 12443 Riverside San Jacinto Mountains: Garner Valley, near Fobes Ranch Rd. 1354 Comment
  CDA4865  Chamaesyce prostrata R. D. Goeden, D. W. Ricker 1965-6-18 s.n. Riverside North side of Blaine Street just west of Gage Canal, Riverside. Comment
  RSA640168  Chamaesyce prostrata L. C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave. Corona. Comment
  UC17669  Chamaesyce serpyllifolia H. M. Hall July, 1901 2532 Riverside vicinity Strawberry Valley; San Jacinto Mtns 1584 Comment
  UCR275019  Cheilanthes June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR145566  Cheilanthes clevelandii Robert Whittaker, W. A. Niering 1963-6-2 SJ- 172 Riverside San Jacinto Mountains, Mountain Center to Hemet Hwy 1128 Comment
  POM281097  Cheilanthes covillei Lyman Benson 1946-4-15 12034 Riverside Canyon on Twenty-nine Palms Road from Whitewater. San Bernardino Mountains, Colorado Desert drainage area. 457 Comment
  RSA675698  Cheilanthes covillei Scott D. White 2001-5-1 8437 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  RSA770695  Cheilanthes covillei Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4800 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC399603  Cheilanthes covillei I. M. Johnston 1917-4-4 1113 Riverside Palm Canyon 762 Comment
  UCR105433  Cheilanthes covillei A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20692 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  POM12437  Cheilanthes newberryi Philip A. Munz 1922-4-30 5127 Riverside Hemet Butte Comment
  RSA1497  Cheilanthes newberryi J. T. Howell 1929-2-14 1231 Riverside on l. side of Temescal Canyon, 3 mi. so. of Glen Ivy Comment
  UCR112955  Cheilanthes newberryi B. G. Pitzer 1998-3-1 3548 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  IRVC3133  Cheilanthes parryi R. H. Whittaker, W. A. Niering 1963-6-1 SJ 149 Riverside Palms to Pines Hwy. Santa Rosa Mountains 701 Comment
  RSA0043063  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2014-3-20 6269 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCR89550  Cheilanthes parryi A. C. Sanders, C. L. Sanders, P. J. MacKay, S. D. White, O. F. Clarke 1994-11-27 15868 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  CAS-BOT-BC70381  Cheilanthes viscida J. G. Lemmon 1880-4-1 28 Riverside Whitewater, Colorado Desert Comment
  POM179189  Cheilanthes viscida Philip A. Munz 1941-10 17237 Riverside On Palms to Pines HIghway, north base of Santa Rosa Mts. Comment
  UCR114094  Chenopodium album A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16076 A Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UC1191338  Chenopodium berlandieri Malcolm A. Nobs and S. Galen Smith 1948-9-3 485 Riverside 2 mi n Indio (edge of irrigation channel); Imperial Valley Comment
  RSA750735  Chenopodium californicum Scott D. White, Justin M. Wood 2009-5-22 12900 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  JOTR01006  Chenopodium californicum Cole, James E. 1941-6-9 855 Riverside Joshua Tree National Park. STUBBY SPRING AREA 1371 Comment
  RSA78287  Chenopodium fremontii P. A. Munz, E. K. Balls 1952-8-21 17968 Riverside Hamilton Creek, SE part of San Jacinto Mts. 1433 Comment
  UCR165301  Chenopodium murale John F. Green 2005-2-3 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  RSA653338  Chenopodium pratericola Mitch Provance 2000-9-18 2265 Riverside Riverside: Prenda area, S side of Hermosa St., about 0.25 mile west of the intersection with Washington St., 33 deg 54' 02.5'' N, 117 deg 23'14.3'' W 185 Comment
  CLARK-A1528-5651  Chenopodium pumilio John C. Roos 1947-8-15 Riverside Santa Ana River Comment
  POM204503  Chenopodium pumilio M. French Gilman 1934-12-4 s.n. Riverside Banning. 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
  SD234847  Chilopsis linearis A. C. Sanders 2008-7-25 35923 Riverside Interior South Coast; San Jacinto Valley; Gilman Springs Road at mouth of Massacre Canyon, 0.7 miles NW of Gilman Hot Springs (San Jacinto 7.5' Q) 466 Comment
  SFV3471  Chilopsis linearis M. L. Vincent, R. H. Swade 1963-10-19 452 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UCR142778  Chilopsis linearis C. B. Wolf 1932-4-26 2983 Riverside Sonoran (Colorado) Desert, 8 mi east of Mecca, on Blythe Road 183 Comment
  LA204142  Chilopsis linearis subsp. arcuata Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9582 Riverside Mecca Hills 2 mi. up Painted Canyon Comment
  POM122462  Chilopsis linearis subsp. arcuata Marcus E. Jones 1926-6-8 S.N. Riverside Whitewater. Colorado Desert. Comment
  RSA455324  Chilopsis linearis subsp. arcuata E. Crow 1928-11-12 47 Riverside Morongo Pass, Colorado Desert Comment
  SEINET3151570  Chilopsis linearis subsp. arcuata Unknown 1906-5-1 Error Riverside Collected on Colorado desert at Palm Springs Comment
  CAS-BOT-BC184870  Chloris virgata Lewis S. Rose 1957-1-3 57007 Riverside La Quinta. 15 Comment
  CAS-BOT-BC184871  Chloris virgata Lewis S. Rose 1957-1-9 57025 Riverside La Quinta. 15 Comment
  POM257310  Chloris virgata C. B. Wolf 1932-4-28 3071 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
  UCR114638  Chorispora tenella Fred M. Roberts 1992-4-8 4854 Riverside San Jacinto Valley, Hemet, Upper Salt Creek Watershed, along west side of Warren Road, c.a. 0.3km jct. with Florida Ave. 457 Comment
  UCR50892  Chorizanthe brevicornu A. C. Sanders 1988-5-11 7805 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  VVC2473  Chorizanthe brevicornu Tim Thomas 2013-3-18 5944 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  CAS-BOT-BC191707  Chorizanthe brevicornu var. brevicornu H. M. Hall 1905-5-1 6029 Riverside Near PInto Mts. Comment
  RSA0026169  Chorizanthe corrugata Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17714 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  CLARK-A1045-309  Chorizanthe leptotheca George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains Murrieta 7.5'Q Comment
  RSA572973  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR216954  Chorizanthe parryi var. parryi John Dvorak, Karyn L. Drennen 2010-5-10 03 Riverside Perris-Aguanga Basin, French Valley, Warm Springs. ~35m north of creek and ~300m northwest of Maxmillian Ave. 385 Comment
  UCR281786  Chorizanthe parryi var. parryi Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 103 Riverside Menifee Valley, Menifee, E side of Murrieta Rd., NE of intersection with Holland Rd. 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
  UCR159985  Chorizanthe polygonoides var. longispina S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  RSA777545  Chorizanthe rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 905 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  CAS-BOT-BC246331  Chorizanthe spinosa J. Von Loh 1978-7-11 60375 A Riverside Edward's Air Force Base 762 Comment
  UCR36097  Chorizanthe xanti R. F. Thorne 1983-4-23 55494 Riverside San Bernardino Mtns, Sandy wash along Whitewater River where road crosses river below fish hatchery, c. 4 mi north of Whitewater Post Office 640 Comment
  RSA11585  Chorizanthe xanti var. leucotheca C. Epling, Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash Comment
  UCR94948  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 bridge 900 Comment
  UCR25017  Chrysolepis sempervirens A. C. Sanders 1980-7-23 1768 Riverside San Jacinto Mtns, Black Mountain, rocky ridge SW of Farview Point. 2348 Comment
  CAS-BOT-BC160605  Chylismia claviformis subsp. aurantiaca Javier Penalosa 1963-4-10 s.n. Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC160625  Chylismia claviformis subsp. aurantiaca Munz; Street; Williams 1919-3-26 2339 Riverside Mecca, Oasis-date-ranch 45 Comment
  UC1183579  Chylismia claviformis subsp. aurantiaca W. M. Klein 1958-2-11 38 Riverside between Cathedral City and Palm Village (on CA 111 to Indio) 96 Comment
  UCR262284  Cirsium occidentale var. coulteri A. C. Sanders 2006-5-13 32277 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UC63255  Cirsium occidentale var. occidentale H. M. Hall 1904-5-24 4956 Riverside vicinity of Riverside; Santa Ana River, Riverside 213 Comment
  CAS-BOT-BC285736  Cirsium vulgare John Thomas Howell 1952-10-24 28866 Riverside Pauba Ranch, about 8 miles east of Temecula Comment
  RSA740254  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains: Johnson Meadow 1415 Comment
  CAS-BOT-BC438855  Cistanthe monandra H. M. Hall 1901-6-1 2050 Riverside San Jacinto Mountains. In the vicinity of Chalk Hill 1402 Comment
  CAS-BOT-BC228716  Cistanthe umbellata Carl B. Wolf 1932-8-5 3983 A Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  SD144144  Cladium californicum A. C. Sanders, P. MacKay, et al 1994-12-4 15878 Riverside Colorado desert; Salton Sea sink; Dos Palmas Oasis area; San Andres palm grove, 1.75 Km (1.1 miles) west south west of Rancho Dos Palmas, marked seep on Durmid 7.5' Quad. Comment
  HSC84170  Clarkia purpurea Karin Cleary 1987-5-20 38 Riverside Banning Bench, at the edge of the San Gragonio River Canyon, .8 km S of the end of the paved road on the Banning Bench Rd. 1213 Comment
  RSA768245  Clarkia purpurea subsp. quadrivulnera Justin M. Wood 2010-5-19 1842 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  UCR107817  Clarkia purpurea subsp. quadrivulnera D. L. Banks 1997-5-5 2018 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR84567  Clarkia similis Steve Boyd 1986-4-19 1705 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR149994  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  RSA523491  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-30 3951 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UCR167395  Claytonia perfoliata John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UC1537252  Claytonia perfoliata subsp. mexicana Gordon H. True Jr. 1935-3-1 36 Riverside Gavilan Hills 548 Comment
  UCR16938  Clematis lasiantha E. W. Lathrop 1971-3-21 7453 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  CHSC1440  Clematis pauciflora E. Thomas 1940-3-10 Riverside San Jacinto foothills. Comment
  JOTR16830  Clematis pauciflora Wanrow, E. & Moore, Sue 1968-3-13 s.n. Riverside Joshua Tree National Park. BARKER DAM TRAIL, 200 YARDS SOUTH OF LAKE EDGE 1325 Comment
  SJSU9059  Clematis pauciflora G. B. Youngberg 1956-3-30 232 Riverside Glen Ivy Hot Springs, E slope Santa Ana Mts c. 11 mi SE of Corona 365 Comment
  RSA374496  Cleome isomeris A. C. Sanders 1985-3-1 5391 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. City of Riverside. 427 Comment
  UCR89597  Coleogyne ramosissima Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Lost Horse Valley, along Cal Riding and Hiking Trail, just east of Ryan Campground 1341 Comment
  RSA681027  Colubrina californica Scott D. White, Michael Honer 2003-5-14 9261 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR90495  Conium maculatum F. M. Reed 1933-6-27 7865 Riverside South Coast; San Bernardino Valley, Riverside, Bluffs Ranch, Chicago Ave near Arroyo Tequesquite, in Little Arroyo (Arroyo Chico) 293 Comment
  UCR193958  Conyza canadensis A. C. Sanders 2008-7-25 35886 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  POM122570  Cordylanthus nevinii Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
  UCR95961  Cordylanthus rigidus Scott D. White 1996-8-1 4419 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA160561  Corethrogyne filaginifolia J. D. Olmsted 1959-8-26 839 Riverside Oat Flat along Main Divide Motorway between Sierra Peak and the old Sierra Peak Guard Station, Santa Ana Mtns towards Santiago 823 Comment
  UCR272166  Corethrogyne filaginifolia Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8578 Riverside Santa Rosa Mountains, a small ridge/summit area just to the south of the summit of Santa Rosa Mountain 2438 Comment
  UCR278880  Corethrogyne filaginifolia Mitch Provance 2012-7-17 712- 20 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  UCR138821  Coronopus didymus D. L. Banks 1997-2-23 1296 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  RSA586109  Crassula connata D. L. Banks, S. D. Boyd 1995-4-5 0149 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail,, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  SDSU16682  Crassula connata Francis H. Bozzolo 2006-4-16 8 Riverside Santa Margarita Ecological Reserve, northern end, ca. 0.1 miles south of North gate on Via Tornado road. SE side of dirt road ca. 1m from road edge. 360 Comment
  UCR116595  Crassula connata A. C. Sanders 2001-3-20 23846 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
  UCR196894  Crassula connata A. C. Sanders, T. B. Salvato 2008-2-19 34425 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 Comment
  RSA654969  Cressa truxillensis A. C. Sanders, D. Malueg, K. D. Jones, et al. 2000-9-8 23637 Riverside Perris-Anuanga Basin Region: French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., ca. 0.5 km NE of Adobe Spring E. 409 Comment
  SD137802  Crocanthemum aldersonii Darin L. Banks, Steve Boyd 1995-6-2 572 Riverside Northwest Palomar Mountains; Cleveland National Forest, Agua Tiobia Wilderness Area; north face of north peak of Agua Tibia Mountain. 890 Comment
  UC484193  Crocanthemum aldersonii J. T. Howell 1928-7-8 Riverside above Glen Ivy; Santa Ana Mts. 1219 Comment
  CAS-BOT-BC175815  Crossosoma bigelovii Theodore Labouchere 1915-4-15 s.n. Riverside Borders of the Colorado Desert on the easterly side of San Jacinto Mountain. In [Tahquitch Canon] Tahquitz Canyon Comment
  NY43331  Croton californicus C. R. Annable 1995-3-9 2255 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  RSA480573  Croton californicus Albert J. Perkins 1895-05 s.n. Riverside Near Riverside. Comment
  SDSU13352  Croton californicus Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 27 Riverside Santa Margarita Ecological Reserve (SDSU). Side of road leading down to the Santa Margrita River from the north research station. 239 Comment
  UC1329962  Croton californicus James E. Cole 1941-4-13 561 Riverside 0.5 mi n Meek's Cabin; Joshua Tree National Monument, Pinto Pass Comment
  UCR111984  Croton setiger A. C. Sanders, T. B. Salvato 2000-5-25 23413 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
  SEINET239045 Image available Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23107 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 H 433 Comment
  UCR116477  Crypsis schoenoides A. C. Sanders, T. B. Salvato 2001-5-25 24377 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
  OBI23315  Cryptantha Robert F. Hoover 1969-4-11 11217 Riverside Mouth of Morongo Valley Cyn Comment
  CLARK-A1528-5391  Cryptantha angustifolia John C. Roos 1947-2-14 3254 Riverside Eagle Mountains Comment
  GMDRC5512  Cryptantha angustifolia J. Andre 2012-3-19 21300 Riverside Orocopia Mountains: N. end of range, 0.5 mi. south of Jct of Box Canyon Rd and I-10 freeway, 23 miles east of city of Coachella 470 Comment
  JEPS67471  Cryptantha angustifolia W. I. Follett 1942-5-20 125 Riverside 25.5 mi w Desert Center (near Shaver Summit); Colorado Desert Comment
  POM6571  Cryptantha angustifolia P. A. Munz, L. T. Street, G. Williams 1919-3-28 2380 Riverside Palm Canyon 183 Comment
  RSA457762  Cryptantha angustifolia Steve Boyd, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2123 ` Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA550282  Cryptantha angustifolia W. Wisura, John Dolan, Michael Wall 1992-3-24 4614 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  SBBG53356  Cryptantha angustifolia J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UCR165811  Cryptantha angustifolia 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
  UCR228174  Cryptantha angustifolia Dave Silverman, Onkar Singh 2010-3-26 7849 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of McCoy Mtns, NW of Blythe, 2.2 km E of Black Creek Rd, c. 5 km W of McCoy Wash, and c. 8 km N of I-10 146 Comment
  UCR279376  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-24 42962 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UC1329937  Cryptantha barbigera James E. Cole 1941-6-16 917 Riverside Live Oak Park Joshua Tree National Monument 1219 Comment
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Dec 6 2014
  UCR38138  Cryptantha barbigera J. M. Stewart 1985-3-16 S.N. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  JOTR34275  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3290 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  SDSU5392  Cryptantha barbigera var. barbigera H. Wedberg 1962-4-20 910 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  SD185166  Cryptantha barbigera var. fergusoniae A. C. Sanders 2001-4-8 23983 Riverside Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave. 348 Comment
  UCR133045  Cryptantha corollata Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; Miller Canyon 396 Comment
  UCR30055  Cryptantha decipiens A. C. Sanders 1983-4-9 3721 Riverside Little San Bernardino Mountains, Morongo Wash, c. 2 mi south of San Bernardino County Line, just east of Hwy. 62, at the foot of the Little San Bernardino Mountains, and 12 mi NNW of Palm Springs 549 Comment
  RSA0124745  Cryptantha inaequata Duncan S. Bell, LeRoy Gross 2016-3-9 8840 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  POM368282  Cryptantha intermedia H. de Forest, Geo C. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA657172  Cryptantha intermedia Bob Rogers 1984-4-21 12 Riverside collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy. 74. 915 Comment
  RSA699338  Cryptantha intermedia J. R. Bruff 1934-6-19 s.n. Riverside San Jacinto Mountains Comment
  RSA771755  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4632 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR106338  Cryptantha intermedia John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR174143  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32576 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
  UCR240619  Cryptantha intermedia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 439 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR281801  Cryptantha intermedia Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-24 517- 126 Riverside Menifee Valley, Menifee, S. side of Bundy Canyon Rd., vicinity of 'Moss Road'. 527 Comment
  UCR51023  Cryptantha intermedia D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  UCR92205  Cryptantha intermedia D. L. Banks, Steve Boyd 1995-5-3 0247 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
  SEINET12280822  Cryptantha intermedia H. M. Hall 1902-1 2944 Riverside 366 Comment
  SEINET8546022  Cryptantha intermedia var. intermedia I. W. Clokey 1935-4-18 6761 Riverside Gavilan Mesa. 700 Comment
  JOTR36430  Cryptantha maritima La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3402 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  POM3919  Cryptantha maritima H. M. Hall 1905-4-23 5858 Riverside Canyon Springs Comment
  UCR148458  Cryptantha maritima S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  RSA499648B  Cryptantha micrantha Anstruther Davidson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  SD39194  Cryptantha micrantha var. lepida Edith A. Purer 1935-4-21 6471 Riverside Desert floor, Palm Springs, western Colorado Desert. Comment
  RSA180398  Cryptantha microstachys E. W. Lathrop 1965-5-9 5718 Riverside 6 miles W of Murrieta Comment
  UCR91398  Cryptantha microstachys Scott D. White 1995-4-5 2717 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCR193985  Cryptantha muricata A. C. Sanders 2008-7-25 35908 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  RSA0079313  Cryptantha muricata var. jonesii A. C. Sanders 1994-5-30 14595 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UCR214586  Cryptantha pterocarya var. cycloptera A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37476 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA27050  Cryptantha racemosa C. L. Hitchcock 1940-3-31 5892 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UC1929481  Cryptantha simulans Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1704 Riverside Peninsular Ranges; San Jacinto Mountains region; Slope above junction of Dark Canyon and Fuller Mill Creek. Comment
  JOTR34026  Cryptantha utahensis La Doux, Tasha, M. Harding 2010-4-7 2913 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
  JOTR32031  Cucurbita palmata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2262 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
  UC28914  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity Riverside 457 Comment
  RSA180509  Cuscuta californica E. W. Lathrop 1965-3-25 5683 Riverside 4 miles south of Murrieta on the De Luz road. Comment
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Jul 7 2012
  RSA488714  Cuscuta californica James L. Reveal 1972-8-9 2867 Riverside along California Highway 243, 6.5 miles northwest of the Alandale Ranger Station, about 0.5 miles south of Bay Tree Spring near the trail to Black Mountain. Comment
  POM122840  Cuscuta ceanothi Marcus E. Jones 1924-4-29 s.n. Riverside Idyllwild. Comment
  RSA263689  Cuscuta ceanothi E. W. Lathrop 1966-5-8 6418 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA0077467  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17728 Riverside Chuckwalla Mountains, Corn Springs Wash, 4km west of Aztec Well. 727 Comment
  UCR94641  Cylindropuntia californica var. californica Scott D. White 1996-5-27 4078 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  JEPS66895  Cylindropuntia ramosissima W. L. Jepson 1912-10-29 5247 Riverside Riverside Mts.; along Colorado River 91 Comment
  SEINET2449498  Cylindropuntia ramosissima Sears 1978-3-16 811 Riverside 10 mi N of Blythe along road to Midland. Forrhills of the Big Maria Mts.; 0 229 Comment
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Nov 18 2015
  SEINET269477  Cyperus eragrostis Scott D. White, Steve Ogg 1994-10-17 2490 Riverside City of Temecula Murrieta Ck channel directly W of Cherry St. USGS 71/2' Murrieta Quad. 315 Comment
  RSA597789  Cyperus involucratus Scott D. White 1996-3-31 3853 Riverside Bundy Canyon, SE of Lake Elsinore; ca 1 road mile (ca 0.2 mile) E of Bundy Canyon Road exit from Hwy I-15. 451 Comment
  POM11135  Cystopteris fragilis P. A. Munz 1922-7-6 5988 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  UC218663  Cystopteris fragilis P. A. Munz 1922-7-6 5988 Riverside Tahquitz Valley; San Jacinto Mts 2194 Comment
  CLARK-A1703-1203  Dalea californica Charlotte Stocks 1962-4-15 Riverside Palm Springs Comment
  SD185213  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5757 Riverside Rice Valley, southeast of Danby Dry Lake, south of Highway 62, along Midland Road, south of railroad crossing. 234 Comment
  POM1902  Dalea mollissima I. M. Johnston 1917-4-4 s.n Riverside Near Palm Springs. 152 Comment
  RSA517825  Dalea mollissima Steve Boyd, Orlando Mistretta 1986-3-13 1443 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SEINET10389804  Dalea mollissima A. C. Sanders, Jim Malusa 2015-3-11 41391 Riverside Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 722 Comment
  SFV4380  Dalea mollissima F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert About 7 miles up Palms to Pines Highway from Palm Desert. 335 Comment
  UCSB41264  Dalea mollissima Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. with Hwy. 111 at Indian Wells; Whittaker transect #W-218 (voucher) 210 Comment
  SEINET3407708 Image available Dalea spinosa C. W. Tilforth 1976-7-21 Riverside Large wash along Hwy. 195, c. 15 miles ne of Mecca, Colorado Desert Comment
  HSC83830  Datisca glomerata R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47299 Riverside Santa Rosa Plateau, Cleveland National Forest, along Tenaja Creek. Comment
  UC1279965  Datisca glomerata Peter H. Raven with R. Snow 1957-7-26 11115 Riverside 2.0 mi s of Vista Grande Ranger Station (Banning To Idyllwild road); San Jacinto Mountains Comment
  UCR30448  Datura stramonium John C. Roos 1965-10-6 s.n. Riverside Santa Ana River at Pedley 201 Comment
  CHSC1917  Datura wrightii V. Holt 1935-4-16 Riverside Foothills, San Jacinto mts., E. Comment
  RSA0106890  Datura wrightii Daphne K. Christopher, Hannah Stevens 2003-4-4 94 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA33373  Datura wrightii N. C. Cooper 1943-9-10 905 Riverside Banning. 610 Comment
  RSA0020084  Datura wrightii Elizabeth A. White 1928-4-5 s.n. Riverside Near Palm Springs. Comment
  RSA500216B  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3527 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD137927  Daucus pusillus Darin L. Banks, Steve Boyd 1995-6-2 573 Riverside Northwest Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; north face of north peak of Agua Tibia Mountain. 890 Comment
  SEINET237964  Daucus pusillus A. C. Sanders, T. B. Salvato 2000-5-25 23397 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR152646  Daucus pusillus A. C. Sanders 2005-4-22 29583 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  CAS-BOT-BC294112  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside Vicinity of Riverside. Gavilan Hills s.e. of Riverside 365 Comment
  CAS-BOT-BC294116  Deinandra kelloggii R. F. Hoover 1968-6-7 11155 Riverside Lower St. Johns Canyon south of Hemet Comment
  RSA703537  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -145 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  CAS-BOT-BC131031  Deinandra paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga Comment
  SEINET7838973 Image available Deinandra paniculata I. M. Wilder 1905-7-25 127 Riverside Jurupa Hills west Riverside Comment
  RSA398684  Delphinium parishii Emery M. Whilton 1937-3-19 s.n. Riverside taken in the foothills near Palm Springs, Coachella Valley Comment
  RSA79175  Delphinium parishii P. A. Munz, Percy C. Everett 1952-5-2 16240 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCD96277  Delphinium parryi H. Lewis 1941-7-7 s.n. Riverside Lake Hemet. Comment
  SEINET3208900  Dendromecon rigida G. Goodwin 2012-6-14 3456 Riverside San Jacinto Mountains, at vista south of Idyllwild adjacent to highway 243 1650 Comment
  UC855080  Dendromecon rigida I. W. Clokey and E. G. Anderson 1935-4-16 6730 Riverside above Hemet 700 Comment
  UCSB2440  Descurainia pinnata Walker, Clifford 1954-4-10 Riverside Near head of White Water Canyon Comment
  RSA613449  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Victor Steinmann 1997-3-13 1443 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SBBG51155  Dichelostemma capitatum subsp. pauciflorum W. Zabriskie 1973-3-21 Riverside Beeseep Cyn, Deep Cyn drainage 304 Comment
  CDA4515  Dicoria canescens L. C. Cordill 1962-11-2 Riverside Northwest corner of Sunrise Way & McCallum Way, Palm Springs. 0 Comment
  UCSB37803  Dicoria canescens Roos, John 1957-12-26 Riverside 6 miles N.W. of Thousand Palms, Coachella Valley 152 Comment
  CLARK-A1528-53  Digitaria ischaemum John C. Roos 1951-9-25 5276 Riverside Riverside 259 Comment
  RSA0019289  Diplacus brevipes Justin M. Wood, Brandy Wood 2009-6-13 892 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  CAS-BOT-BC150674  Diplacus longiflorus P. C. Everett 1945-6-7 11500 Riverside Santa Ana Mts., Indian Canyon, along Indian Canyon Truck Trail 640 Comment
  RSA0018424  Diplacus longiflorus var. calycinus N. C. Cooper 1944-6-16 1428 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA0019304  Diplacus puniceus B. Pitzer 1997-3-23 2958 Riverside Lakeview Mtns, ca. 1 air mile SSW of Mt. Rudolph, along powerline rd 0.3 mile E of Contour (Juniper Flats) Rd. 610 Comment
  SEINET2055757 Image available Ditaxis lanceolata B. Pitzer 1998-1-24 3385 Riverside N foot of Chuckwalla Mts. Eagle Mt. Rd, AS. Side of highway 1-10, 0.8 mi S of Hwy powererline rd, & wash directly S of rd. 500 Comment
  SFV17344  Ditaxis lanceolata J. D. Dilley, J. N. Hogue (109.6) 1998-4-24 279 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  JOTR35006  Ditaxis neomexicana La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3108 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA793606  Ditaxis neomexicana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4206 B Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  JEPS52443  Ditaxis serrata Marjorie D. Clary 1932-5-22 928 Riverside Hexie Mt. n side Colorado Desert Comment
  CAS-BOT-BC43634  Dithyrea californica J. H. Thomas 1949-2-28 49 Riverside Between Banning and Palm Springs, near Whitewater. Comment
  CHSC35475  Dithyrea californica James Henrickson 1973-3-18 8619 Riverside Ca 37 (air) miles E of Temecula, 9 miles SE of Terwilliger, 3 miles N of San Diego Co. 731 Comment
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Jun 23 2013
  RSA0043364  Dithyrea californica Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17704 Riverside Palo Verde Mesa, 14 km SW of Blythe, 6 km ENE of north end of the Mule Mountains. 118 Comment
  UC10263  Dithyrea californica S. B. Parish Apr 4 1896-Apr 13 1896 4107 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. 152 Comment
  UCR256941  Dodecahema leptoceras Naomi Fraga, Duncan S. Bell 2009-5-6 2702 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  POM160111  Draba cuneifolia var. integrifolia E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
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Apr 16 2017
  RSA613128  Draba verna D. L. Banks 1997-3-6 1398 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  RSA451889  Drymocallis glandulosa var. glandulosa N. C. Cooper 1949-6-29 4347 Riverside Pine Cove Comment
  UC12538  Drymocallis glandulosa var. reflexa Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  POM19610  Drymocallis glandulosa var. viscida Mary F. Spencer 1923-6-2 2173 Riverside Idyllwild. Comment
  UC527311  Drymocallis glandulosa var. viscida C. B. Wolf 1931-5-11 1961 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mts.); San Jacinto Mts., near Pipe Creek 1676 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
  IRVC137  Dryopteris arguta Christie Duncan 1965-2-28 HS 530 Riverside Ortega Hwy [74]; El Carriso guard station. Peninsular Ranges, Santa Ana Mountains Comment
  RSA33796  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  RSA423463  Dudleya N. C. Cooper 3957 Riverside Elsinore 610 Comment
  UC1015383  Dudleya alainae Reid Moran 1947-5-10 2182 Riverside 1.5 mi from Hwy (Santa Rosa Rd) 1676 Comment
  CAS-BOT-BC126732  Dudleya lanceolata A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt 2010-5-17 38401 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
  CSUSB618  Dudleya lanceolata Rose Gagnon 1968-4-20 2 Riverside Mt. Roubidoux. About half way up the mountain road way to the top of Mt. Roubidoux at the first car stop. Comment
  UCR112086  Dudleya lanceolata A. C. Sanders, Mitch Provance 1998-5-14 21846 Riverside Jurupa Mtns., Rattlesnake Mtn. (hill 1452m), Crestmore, above water tank west of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  UCSB2522  Dudleya lanceolata White, Arthur 1960-5-14 Riverside 2.2 mi. S of Hwy. 70 and 99 on the road to Idyllwild; from Banning; 100 yds. to S of road Comment
  RSA397784  Dudleya saxosa subsp. aloides Christopher Davidson, B. Gustafson 1977-4-7 5591 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  UC933328  Dudleya saxosa subsp. aloides Reid Moran 1941-5-4 835 Riverside Hidden Valley Joshua Tree National Monument 1280 Comment
  UCR170135  Echinocereus engelmannii var. engelmannii Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 170 Riverside San Gorgonio Pass, Morongo Indian Reservation; Road between Millard and Lion Canyon (Deep Canyon Road?), below Deep Canyon 619 Comment
  UCR2341  Echinochloa crus-galli F. M. Reed 1936-7-27 s.n. Riverside South Coast; San Bernardino Valley, Riverside, edge of Fairmont Park [Evans] Lake opposite American Legion Club House 241 Comment
  SEINET954735  Ehrharta longiflora Tom Chester 2005-1 581 Riverside Peninsular Ranges; Santa Ana Mountains region: Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  UCSB52656  Elatine californica Thorne, Robert; Thorne, M.; Wisura, Walter 1978-5-21 Riverside Santa Rosa Plateau: Mesa de Colorado; W and S margin of vernal marsh 609 Comment
  SEINET10680522  Elatine californica Robert F. Thorne 1978-5-21 Thorne 51987 Riverside Santa Rosa plateau, Mesa de Colorado. 610 Comment
  JEPS19328  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake 1320 Comment
  UC838982  Eleocharis parishii P. A. Munz 1922-6-29 5899 Riverside Santa Rosa 1981 Comment
  HSC79579  Elymus condensatus Paul Bailey 1972-5-14 126 Riverside 6 miles NE of Temecula near Rancho California Drive, Tucalota Hills. 457 Comment
  UCR2356  Elymus condensatus F. M. Reed 1905-6-4 769 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside. Roadside near Chinatown Ford. [Near where Arroyo Tequesquite joins the Santa Ana River] 236 Comment
  OBI32773  Elymus glaucus E. W. Lathrop 1965-4-26 5689 Riverside 4 mi SE of Murrieta Comment
  SD144124  Elymus glaucus subsp. glaucus Scott D. White 1996-8-16 4483 Riverside Idyllwild Area: Southwest of Pine Cove and West of Bear Trap Canyon, in watershed above Alvin Meadows, (tributary to Toll Road Canyon) 1707 Comment
  RSA401452B  Emmenanthe penduliflora Ora M. Clark 1929-2-23 1571 Riverside North of Whitewater Comment
  SD204900  Emmenanthe penduliflora R. F. Thorne, W. Wisura and Dave Michener 1982-5-24 55187 Riverside Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. 915 Comment
  UCR216026  Emmenanthe penduliflora Oleg Pryadko 2008-5-2 084 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR279566  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-29 43174 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
  JEPS34123  Encelia actoni Marjorie D. Clary 1933-5-7 2680 Riverside road to Dos Palmas Spring; Colorado Desert, Santa Rosa Mountains 1066 Comment
  CLARK-A1528-1806  Encelia californica John C. Roos 1952-4-16 5557 Riverside Box Springs Mountains 396 Comment
  UCR120204  Encelia californica Mitch Provance 1998-3-5 196 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  CAS-BOT-BC131320  Encelia farinosa G. P. Rixford 1915-4-3 s.n. Riverside Riverside 426 Comment
  SBBG60960  Encelia farinosa R. C. and J. R. Robbins 1933-2-15 Riverside foot of Palms to Pines Hwy, ca. 11 mi SW of Palm Springs Comment
  SEINET2050573 Image available Encelia farinosa B. Pitzer 1998-1-24 3398 Riverside N. foot of Chuckwalla Mountains, Eagle Mountain Rd., S of powerline rd, & wash directly S. of rd. Lost Pony Mine. 500 Comment
  UCD131212  Encelia farinosa R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR100878  Encelia farinosa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2695 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  CAS-BOT-BC131422  Encelia frutescens H. M. Hall 1905-4-1 5939 Riverside McCoy Wash 91 Comment
  UC68861  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside near Canon Springs; Colorado Desert Comment
  JOTR29571  Ephedra californica Andre, Jim 2006-4-6 6776 Riverside Joshua Tree National Park. ridgetop, w. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner of boundary of park 1324 Comment
  RSA774503  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4425 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
  SEINET10532236  Ephedra californica var. funera A. K. Evans 1976-4-13 Evans 5129 Riverside Rocky slopes of Santa Rosa mountains. Comment
  RSA0054982  Ephedra nevadensis Bruce Haines 1962-4-16 123 A Riverside 3/4 mile East of Hidden Valley Campground on Key's Ranch Road, Joshua Tree National Monument. 1295 Comment
  CAS-BOT-BC81859  Ephedra trifurca Carl B. Wolf 1932-4-29 3123 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  CSUSB251  Epilobium adenocaulon var. parishii Lynn Baasch 1971-5-16 Riverside University of California, Riverside campus; Hill south of reservoir, which is south of Picnic Hill. Unnatural running water. Comment
  CAS-BOT-BC171725  Epilobium canum subsp. latifolium George L. Moxley 1932-1-1 s.n. Riverside Mt. San Jacinto Comment
  UC1178499  Epilobium canum subsp. latifolium Peter Kamb 1948-10-31 1278 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR178160  Epilobium ciliatum John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR3530  Epilobium ciliatum Frank C. Vasek 1964-6-24 640624- 01 Riverside City of Riverside, University of California Riverside campus. Life Science greenhouse. 335 Comment
  RSA72167  Epilobium ciliatum subsp. ciliatum F. W. Peirson 1924-7-28 5012 Riverside Pine Flats Camp 1799 Comment
  UC20049  Epilobium ciliatum subsp. ciliatum H. M. Hall Jul 3 1901-Jul 13 1901 2378 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  RSA388408  Epilobium densiflorum Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61170 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  UCR262247  Epilobium densiflorum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3736 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
  UCR131004  Epipactis gigantea George H. Grinnell 1921-5-20 s.n. Riverside Riverside 366 Comment
  UCR137186  Epipactis gigantea M. B. Dunkle 1933-5-6 3423 Riverside Western Sonoran (Colorado) Desert/ San Jacinto Mtns., Andreas Canyon 244 Comment
  UCR202585  Equisetum arvense Scott D. White, Justin M. Wood 2008-7-8 12373 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  POM11736  Equisetum laevigatum P. A. Munz, I. M. Johnston 1922-5-21 5482 Riverside Kenworthy, San Jacinto Mountains 1418 Comment
  UCR144133  Equisetum laevigatum Scott D. White 1998-7-31 6945 Riverside Peninsular Ranges; San Jacinto Mountains, Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Humber Park 1950 Comment
  SEINET251885 Image available Eragrostis barrelieri Unknown 1996-3-17 17978 Riverside Coachella Valley: Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  JOTR33118  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2003-10-17 1600 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash 1310 Comment
  RSA652888  Eragrostis minor John Wallace 1991-5-8 17 Riverside Colorado River; Approximately 3 miles south of Lost Lake Resort. Comment
  RSA278491  Eremalche rotundifolia John F. Emmel 1977-3-7 553 Riverside Orocopia Mts.; canyon 4.9 air miles due east of Shaver s Well 579 Comment
  RSA0125284  Eremothera boothii subsp. desertorum Duncan S. Bell 2016-3-4 8789 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  UCR279387  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-24 42984 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  UC874145  Eremothera refracta C. L. Hitchcock 1940-4-1 5898 Riverside 1 mi below Cottonwood Spgs.; Joshua Tree Nat. Monument Comment
  SD46075  Eriastrum densifolium subsp. austromontanum Peter Kamb 1950-7-9 1910 Riverside Banning-Idyllwild Road just below Vista Grande Ranger Station. 1463 Comment
  UC303728  Eriastrum densifolium subsp. austromontanum G. B. Grant Aug. 1901 Riverside Strawberry Valley Comment
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Sep 6 2010
  UC52473  Eriastrum densifolium subsp. austromontanum H. M. Hall May 17 1901-Jun 1 1901 1861 Riverside San Jacinto Mt.; e base 762 Comment
  CAS-BOT-BC514304  Eriastrum densifolium subsp. austromontanum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA0105459  Eriastrum densifolium subsp. elongatum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA0119711  Eriastrum diffusum subsp. coachellae Lyman Benson 1933-3-31 4172 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  JEPS69040  Eriastrum eremicum subsp. eremicum W. L. Jepson 1901-5-24 1418 Riverside Van Deventer Flats Santa Rosa Mts., Van Deventer's Ranch 1493 Comment
  CAS-BOT-BC514465  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5956 Riverside Pinto Basin Comment
  RSA0120401  Eriastrum eremicum subsp. eremicum H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  GMDRC7547  Eriastrum harwoodii J. M. Andre 2015-4-23 32754 Riverside Rice Valley: along Rice-Midland Rd, 3.1 mi. south of Hwy 62, eastern end of Arica Mountains 253 Comment
  SD187456  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-5-7 10321 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 548 Comment
  RSA0121561  Eriastrum sapphirinum subsp. dasyanthum Kathy Harper 1988-6-11 s.n. Riverside Bautista Canyon, lower end of Bautista Rd. Comment
  SD229089  Ericameria cuneata Dick Schwenkmeyer 2012-4-18 708 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
  CDA37835  Ericameria linearifolia Mike Lahti 2012-5-1 PDR# 1590362 Riverside Ramsey Road, one mile east of Terwilliger Road, six miles south of Anza. 0 Comment
  CAS-BOT-BC299529  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar Comment
  SBBG102906  Ericameria palmeri var. pachylepis S. D. White 1991-9-17 91 -51 Riverside W side of Lake Elsinore, Ortega Hwy (St Hwy 74) 426 Comment
  SBBG62855  Ericameria parishii J. E. Butner 1948-10-3 658 Riverside a few mi from Idyllwild Comment
  LA203162  Ericameria teretifolia Lewis S. Rose; 1936-12-24 36815 Riverside San Jacinto Mountains, Palms to Pines Highway, 24 mi. SW. of Indio 1066 Comment
  UCR160054  Erigeron breweri Steve Boyd, Valerie Soza 2004-6-22 11538 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  RSA740640  Erigeron breweri var. covillei Scott D. White, Justin M. Wood 2008-6-17 12176 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR220150  Erigeron foliosus D. E. Bramlet 1989-5-15 1858 Riverside Peninsular Range, North Domenigoni Hills, near top of knoll 2184, 5600 ft. north of Newport Road and 9200 ft. east of the MWD canal 622 Comment
  IRVC27397  Erigeron foliosus var. foliosus A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15776 Riverside N slope of the mtns: nameless tributary to Azalea Creek, ca. 1 mi. due S of the Twin Pines Ranch buildings. San Jacinto Mtns 1128 Comment
  POM14970  Erigeron foliosus var. foliosus Mary F. Spencer 1922-6-29 1274 Riverside Brooks Camp, San Jacinto Mt. 1219 Comment
  RSA777166  Erigeron foliosus var. foliosus Steve Boyd, Valerie L. Soza 2004-6-22 11548 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCR16872  Erigeron foliosus var. foliosus Kirk Taylor 1976-5-23 76-5-23- 12 Riverside Peninsular Range, Mesa de Colorado, 7 mi west of Murrieta on Tenaja Rd 549 Comment
  UCR93236  Eriochloa acuminata A. C. Sanders 1994-7-27 15162 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 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
  LA205604  Eriodictyon crassifolium Tom O'Donnell; 1953-5-23 sn Riverside San Jacinto Mountains, Cranston Ranger station Comment
  RSA455023  Eriodictyon crassifolium N. C. Cooper 1949-6-3 4151 Riverside Temecula 762 Comment
  SEINET244776  Eriodictyon crassifolium Ian G. Gillespie, Summer Karsh 2000-5-13 41 Riverside San Jacinto Mtns.; ca 200 m up Mt. Edna Road off Hwy 243 on the northern side of the mountains. 1159 Comment
  RSA618408  Eriodictyon crassifolium var. crassifolium D. L. Banks 1997-5-5 1968 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR87934  Eriodictyon crassifolium var. crassifolium A. C. Sanders, N. Ferguson 1994-6-2 14623 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  RSA455110  Eriodictyon trichocalyx Larry E. DeBuhr 1977-5-6 2588 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  CAS-BOT-BC248625  Eriogonum apiculatum William M. Klein 1960-8-22 1582 Riverside North of Idyllwild along the trail to Suicide Rock and Mt San Jacinto, San Jacinto Mts. Comment
  CLARK-A1528-5716  Eriogonum apiculatum John C. Roos 1947-9-6 3743 Riverside San Jacinto Mountains Comment
  UCR24892  Eriogonum apiculatum A. C. Sanders 1980-7-18 1640 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  JOTR32454  Eriogonum brachyanthum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2602 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  UCR268302  Eriogonum davidsonii Jim Andre 2012-6-15 30517 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  SEINET11932637  Eriogonum davidsonii J. F. Emmel 1979-1 694 Riverside SE end Jacinte Mts S base of Sugarleaf Mt. near SE end of Pinyon Flat 1219 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
  SD122175  Eriogonum elongatum var. elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 km NNW of Royal Oak Ranch, next to road 380 Comment
  CLARK-A1528-736  Eriogonum fasciculatum I. Rauch 1968-3-6 Riverside Riverside Comment
  RSA783804  Eriogonum fasciculatum J. D. Olmsted 1960-2-15 1096 Riverside 100ft from highest point in Jurupa Hills, Santa Ana River. 686 Comment
  RSA717683  Eriogonum fasciculatum subsp. polifolium A. C. Sanders 2004-5-5 27780 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  POM159932  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside Cottonwood Springs. Comment
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Oct 9 2010
  RSA715451  Eriogonum fasciculatum var. foliolosum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32668 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. 579 Comment
  CAS-BOT-BC250131  Eriogonum fasciculatum var. polifolium F. O. Ballou 1926-2-28 s.n. Riverside Murray Canon [Canyon] Comment
  RSA393343  Eriogonum fasciculatum var. polifolium H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  SD229225  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 628 Riverside Mt. San Jacinto 1085 Comment
  POM97992  Eriogonum fasciculatum var. polifolium E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts 976 Comment
  UC69224  Eriogonum gracile F. M. Reed 1905-9-16 818 Riverside vicinity Riverside (Terraces Ranch); Terraces Ranch Comment
  RSA393098  Eriogonum gracile var. gracile Louis C. Wheeler 1933-12-1 2282 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  RSA393247  Eriogonum gracile var. gracile T. W. Minthorn 1925-7-4 s.n. Riverside Near Perris. Comment
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Nov 17 2011
  RSA487231  Eriogonum gracile var. incultum James L. Reveal, C. Rose Broome 1987-6-27 6602 Riverside San Gorgonio Pass, along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River. 541 Comment
  SEINET9337752  Eriogonum gracillimum Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  SEINET4087516  Eriogonum inflatum G. T. Manthey 1977-1 1630 Riverside Road leading from Mecca to Joshua Tree National Monument. Comment
  RSA0107471  Eriogonum inflatum var. deflatum Duncan S. Bell, Amanda Turek 2009-3-29 153 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  JEPS56774  Eriogonum maculatum Marjorie D. Clary 1932-5-25 1694 Riverside Pleasant Valley Colorado Desert, Hexie Mountains, Pleasant Valley 1066 Comment
  RSA20029  Eriogonum maculatum I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  UCR18179  Eriogonum maculatum A. C. Sanders 1978-4-30 554 Riverside Santa Rosa Mtns, Pinyon Flat area; at the dolomite mine at the west end of the Cactus Springs Trail 1189 Comment
  RSA487230  Eriogonum molestum James L. Reveal, C. Rose Broome 1987-6-27 6605 Riverside San Jacinto Mountains, along California Highway 243, 0.4 mile northwest of Lake Fulmor, about 13.8 miles northwest of Idyllwild. 1601 Comment
  RSA64587  Eriogonum pusillum F. W. Peirson 1928-3-10 7702 Riverside Just east of Whitewater Bridge, near Whitewater, at head of Coachella Valley. Comment
  RSA770788  Eriogonum pusillum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4528 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC253018  Eriogonum reniforme K. L. Chambers 1973-3-19 3623 Riverside Cottonwood Pass Road at S. border of Joshua Tree Natl. Mon., 1.0 miles N of junction with Highway 60 Comment
  CAS-BOT-BC253021  Eriogonum reniforme Geo. B. Grant 1906-4-20 6751 Riverside Palm Springs, Colorado Desert Comment
  RSA226510  Eriogonum reniforme C. W. Tilforth, John Dourley 1971-4-15 348 Riverside Between Chiriaco Summit and Red Butte Wash along aqueduct maintenance road. Comment
  RSA650353  Eriogonum reniforme William Gilbert 1969-5-24 s.n. Riverside Hwy. 74, Hwy. marker #88 13. Comment
  RSA176944  Eriogonum thomasii D. Bates 1960-3-3 2300 Riverside Route 195, 7.3 miles SW of junct. with routes 60-70. At the base of S facing bluffs in Box Canyon. Comment
  RSA0130729  Eriogonum thomasii Glen Rink 2013-3-18 11875 a Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  RSA766489  Eriogonum thurberi E. L. Peterson 1930-5-30 5653 Riverside Warner's Ranch at Whitewater. 366 Comment
  UC6473  Eriogonum thurberi Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UCR68865  Eriogonum thurberi Steve Boyd, T. S. Ross 1990-5-11 4703 A Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA796471  Eriogonum trichopes Duncan S. Bell 2009-4-18 209 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
  SBBG1636  Eriogonum trichopes H. and M. Dearing 1930-4-13 113 Riverside Palm Springs Comment
  SD38957  Eriogonum trichopes Edith A. Purer 1935-4-21 6460 Riverside Desert floor, near Palm Springs Comment
  SEINET9369605  Eriogonum trichopes Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  UC1032224  Eriogonum trichopes H. S. Yates 1937-6-28 6737 Riverside near Palm Springs; San Jacinto Quadrangle Comment
  UCR108744  Eriogonum trichopes var. trichopes Scott D. White, Sandy Leatherman 1998-4-15 6290 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  RSA0023094  Eriogonum wrightii John F. Emmel 1995-4-22 1369 Riverside McCoy Mts., north end; canyon 0.6 air mile west of Arlington Mine. 488 Comment
  RSA420616  Eriogonum wrightii var. membranaceum E. A. McGregor 1963-11-6 68 -a Riverside Pines to Palms Hwy, between Palm Springs and Idyllwild. Comment
  SD232307  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Peninsular Ranges: San Jacinto Mountains region: Southern spur of Pine Meadow, SE of Highway 371, NW of Santa Rosa Summit; Survey north side of Highway 74. 1477 Comment
  UC1929523  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 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. Near 1477 Comment
  UC1133261  Erioneuron pulchellum H. S. Yates 1937-3-23 6440 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  UC896261  Eriophyllum ambiguum var. paleaceum Alice Eastwood 1913-4-30 2998 Riverside Palm Springs Comment
  RSA94418  Eriophyllum ambiguum var. paleaceum F. W. Peirson 1920-2-16 1387 Riverside Murray Canyon, Palm Springs region. 274 Comment
  SEINET2051097 Image available Eriophyllum confertiflorum R. P. Sunderman 1968-5-1 5 Riverside University of California, Riverside. 335 Comment
  UCR111771  Eriophyllum confertiflorum Mitch Provance 1998-3-17 223 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR251868  Eriophyllum confertiflorum M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR265827  Eriophyllum confertiflorum Mitch Provance 2012-5-24 512- 08 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  LA203537  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1937-8-31 sn Riverside SANTA ANA MOUNTAINS, Indian Truck Trail. Comment
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Oct 7 2013
  SBBG45043  Eriophyllum confertiflorum var. confertiflorum N. C. Cooper 1944-4-22 1123 Riverside Banning 762 Comment
  POM358079  Eriophyllum multicaule M. B. Dunkle 1935-3-10 4355 Riverside Temescal Canyon. 274 Comment
  UC31742  Eriophyllum multicaule H. M. Hall 1899-5-17 Riverside Reche Canon 457 Comment
  UC896340  Eriophyllum multicaule I. W. Clokey 1935-4-18 6987 Riverside Gavilan Gavilan (brushy meadow) 600 Comment
  POM12955  Eriophyllum wallacei P. A. Munz, I. M. Johnston 1922-5-21 5533 Riverside Hemet Valley. 1433 Comment
  POM157921  Eriophyllum wallacei P. A. Munz 1927-5-21 10864 Riverside Coahuila Valley. Comment
  RSA50326  Eriophyllum wallacei E. K. Balls 1949-5-4 13487 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1371 Comment
  SBBG35004  Eriophyllum wallacei T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, E of Hemet Comment
  UCSB9200  Eriophyllum wallacei Beeks, Richard 1952-4-4 Riverside U.S. 99, opposite Twenty Nine Palms turnoff Comment
  RSA673541  Erodium botrys Scott D. White, Tasha LaDoux 2000-4-20 7675 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR104888  Erodium brachycarpum A. C. Sanders 1997-3-19 20013 Riverside Lake Skinner area, hills between Tucalota Creek and lower Rawson Canyon, c. 1/2 mi. (1 km) east of the lake 488 Comment
  RSA673726  Erodium cicutarium Scott D. White 2000-4-12 7645 Riverside Baldy Mtn. area. 1616 Comment
  SBBG133364  Erodium cicutarium S. D. White, J. M. Wood 2008-5-15 11969 Riverside Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom, San Jacinto Mtns 1357 Comment
  SD133077  Erodium cicutarium Scott White 1991-3-22 Riverside Los Alamos Road, ca. 2.0 miles west of I-215 exit. 366 Comment
  UCR21910  Erodium cicutarium Steve Boyd 1980-5-2 162 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA660053  Erodium cicutarium Carol Zuck 1981-2-16 31 Riverside 1 mi east of I-15 on Cajelco Rd. Comment
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Jun 27 2013
  RSA356630  Eryngium aristulatum var. parishii R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47315 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  RSA0019315  Erythranthe guttata Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA0015893  Erythranthe moschata E. K. Balls, Percy C. Everett 1953-8-19 18543 Riverside By Santa Rosa Spring, Santa Rosa Peak. 2134 Comment
  RSA0014877  Erythranthe primuloides P. A. Munz 1922-7-6 5983 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  RSA433640  Eschscholzia caespitosa subsp. caespitosa D. A. Young 1969-3-28 P 394 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  SDSU13326  Eschscholzia californica Ryan Jacobson, Jeremy Mass 2000-4-19 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve. About 1.5 miles from south-side facilities. 177 Comment
  UCR107724  Eschscholzia californica A. C. Sanders 1997-3-1 19737 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  SEINET10476377  Eschscholzia glyptosperma David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2898 Riverside Pushawalla canyon biota. Indio hills. In wash. Comment
  HSC49187  Eschscholzia minutiflora D. L. Goforth 1979-4-11 114 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  POM13034  Eschscholzia minutiflora P. A. Munz 1922-4-13 4935 Riverside Eagle Mts, Colorado Desert. 213 Comment
  UC1595573  Eschscholzia minutiflora W. Wisura, J. Dolan, and M. Wall 1992-3-25 4656 Riverside 31 mi s prison on Wileys Well Rd. toward Hwy 78; Lowdesert Comment
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Dec 5 2014
  RSA0022947  Eschscholzia minutiflora Mary F. Spencer 1920-3-24 248 Riverside Near Indio. Colorado Desert. 91 Comment
  CAS-BOT-BC419631  Eschscholzia parishii G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2735 Riverside Colorado Desert: Chuckwalla Mts. 10.6 mi SW of Chuckwalla Valley Rd. on Graham Pass Road Comment
  JOTR31872  Eschscholzia parishii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2126 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UCR112492  Eucalyptus camaldulensis A. C. Sanders 1998-6-12 21982 Riverside Riverside, UCR campus, in gravel among trailers in 'surge area' (UCR trailer park) on east side of campus 335 Comment
  RSA0012604  Eucalyptus globulus Steve Boyd, T. S. Ross 1992-2-21 6670 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  HSC78513  Eucrypta chrysanthemifolia Rodney Hendrick 1965-3-14 Riverside Box Canyon about 8 mi. E of Mecca 183 Comment
  HSC92877  Eucrypta chrysanthemifolia Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA715758  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-22 29604 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR119265  Eucrypta chrysanthemifolia Mitch Provance 1998-6-10 635 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR140705  Eucrypta chrysanthemifolia A. C. Sanders 2004-5-12 27862 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  POM184547  Eucrypta chrysanthemifolia var. bipinnatifida C. L. Hitchcock 1932-4-7 12200 Riverside Corn Springs, Eastern Riverside. Comment
  UCR100303  Eucrypta chrysanthemifolia var. chrysanthemifolia B. G. Pitzer 1997-4-20 3193 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  JEPS22524  Eucrypta micrantha Rimo Bacigalupi with Paul Hutchison 1958-2-19 6186 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts); Big Maria Mts. 167 Comment
  RSA0103963  Eulobus californicus Duncan S. Bell, LeRoy Gross 2015-3-10 7770 Riverside San Gorgonio Wilderness area; Mission Creek; just below (south of) the San Bernardino/Riverside county border. 830 Comment
  RSA750603  Euonymus occidentalis var. parishii K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 19 Riverside San Bernardino National Forest. Fuller Mill Creek. 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  SD181546  Euphorbia Louis C. Wheeler 1946-1-19 6171 Riverside 2.0 miles north of main highway on road to 29 Palms. Comment
  UCR240268  Euphorbia abramsiana Neal Kramer, Wendy McBride 2012-9-3 2069 Riverside Sonoran (Colorado) Desert, Palen Dunes Dr. between Palen Dry Lake and Ford Dry Lake, c. 1.5 mi. north of I-10 Fwy 116 Comment
  VVC2056  Euphorbia abramsiana Tim Thomas, Alice Karl 2011-10-18 5526 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  CLARK-A1656-661  Euphorbia eriantha Lois Ann Scott 1978-4-8 Riverside Palm Desert 182 Comment
  UCR281829  Euphorbia lathyris Mitch Provance 2017-5-23 517- 105 Riverside Temescal Valley, South Corona, Warm Springs Dr. at intersection with Whitetail Dr., drainage likely associated with Anderson Canyon, adjacent to large swath of relict disturbed bottomland. 345 Comment
  UCR100572  Euphorbia nutans George K. Helmkamp 1997-11-1 2514 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  RSA697592  Euphorbia palmeri J. R. Bruff 1934-7-5 991 Riverside San Jacinto Mts. 2591 Comment
  IRVC29080  Euphorbia peplus Mitch Provance 2000-1-8 1801 Riverside Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. Jurupa Mountains 290 Comment
  UCD142701  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7466 Riverside Shavers Valley. Roadside along Cal. 195 near Buried Mt., c. 3 mi SW of jct. with Interstate 10. 426 Comment
  UCR132892  Euphorbia polycarpa Scott D. White 1996-3-16 3829 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR167267  Euphorbia polycarpa 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
  RSA19302  Euphorbia polycarpa var. hirtella L. S. Rose 1936-12-18 36790 Riverside Desert wash, Palm Springs. Comment
  UCD142732  Euphorbia polycarpa var. hirtella Lewis S. Rose 1966-12-11 66099 Riverside La Quinta. 91 Comment
  RSA0059013  Euphorbia polycarpa var. hirtella Edmund C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. south of Hayfields Reservoir. 427 Comment
  OBI39243  Euphorbia prostrata A. C. Sanders 1982-6-12 2714 Riverside Riverside, a weed in a garden at 422 Campus View Dr Comment
  UCR102927  Euphorbia setiloba George K. Helmkamp, E. A. Helmkamp 1998-2-5 2686 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  CLARK-A1528-537  Eustoma exaltatum John C. Roos 1951-9-25 5259 Riverside Riverside 259 Comment
  RSA392121  Eustoma exaltatum Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA612273  Eustoma exaltatum Louis C. Wheeler 1933-8-13 2078 Riverside Santa Ana River at Chino Creek. 152 Comment
  CAS-BOT-BC167370  Fagonia laevis Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  RSA0047078  Fagonia laevis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 785 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA77844  Fagonia laevis F. W. Peirson 1932-3-22 9810 Riverside 20 miles North of Blythe on the road to Needles, Eastern Riverside. 152 Comment
  RSA788518  Fagonia laevis James R. Shevock 1986-3-23 11358 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center. 350 Comment
  SD107800  Fagonia laevis Barry Prigge, L. Martinez 1978-3-23 2428 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley, near Dillon X Skyridge Roads 1100 Comment
  UCR159767  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCR16344  Fagonia laevis J. Texera 1970-3-27 3 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  UCR72160  Fagonia laevis Theo Glenn 1991-5-7 91- 89 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  POM87256  Fagonia pachyacantha Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UC403452  Ferocactus cylindraceus var. lecontei Munz and Johnston 5295 Riverside rocky mesa near Mission Creek (on road to Morongo Pass) Comment
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Sep 8 2011
  UCR213574  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37816 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
  UCR22057  Festuca microstachys Steve Boyd 1980-4-13 121 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR117081  Festuca myuros A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24199 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
  UCR228881  Festuca octoflora A. C. Sanders 2011-4-6 38997 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  POM37179  Filago arizonica Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA501083  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3201 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA703372  Filago californica LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1440 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR104922  Filago californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20662 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
  UCR174112  Filago californica A. C. Sanders 2006-5-19 32419 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR48530  Filago californica Steve Boyd 1986-4-19 1695 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR106886  Filago gallica A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20661 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
  UCR98675  Filago gallica 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
  SEINET8547771  Forestiera neomexicana I. W. Clokey, C. B. Clokey, B. Templeton 1930-4-15 s.n. Riverside Gavilan Peak, Ravine bottom 550 Comment
  JOTR31143  Forestiera pubescens La Doux, Tasha 2009-6-3 1854 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UCR41846  Fouquieria splendens A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6090 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA750123  Fouquieria splendens subsp. splendens Duncan S. Bell, Amanda Turek 2009-3-30 171 Riverside South side of the Arica Mountains, within the Palen/McCoy Wilderness area. 333 Comment
  UCD117402  Fouquieria splendens subsp. splendens Richard Bates 1949-4-26 s.n. Riverside State Highway 74, start of 'Palms to Pines' Highway, Colorado Desert. Comment
  SD229245  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-6-27 742 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  JEPS30103  Frankenia salina W. L. Jepson May 17 1901-Jun 1 1901 1239 Riverside San Jacinto Lake bed Comment
  SEINET5924772 Image available Franseria dumosa L. C. Higgins 1974-1 8489 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  CLARK-A1528-1039  Fraxinus dipetala C. M. Flanagan 1973-4-26 OO 310 Riverside Morongo Indian Reservation Comment
  SBBG15860  Fraxinus dipetala P. Kamb 1949-4-30 1405 Riverside Banning-Idyllwild Rd below Barton Lookout 1127 Comment
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May 24 2012
  SD143813  Fraxinus dipetala A. C. Sanders, P. MacKay, et al. 1997-5-4 20674 Riverside San Jacinto Mountains: North side of the range, 0.2 mile north of Twin Pines Ranch Road, on the dirt road to Brown Creek and Cabazon./ 1098 Comment
  UCR199672  Fraxinus dipetala Scott D. White, Justin M. Wood 2008-5-12 11946 Riverside Beaumont, northeast point of the Beaumont Badlands, north of Mt. Davis 793 Comment
  UCR5585  Fraxinus pennsylvanica subsp. velutina O. F. Clarke 1966-10-5 661005- 40 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  UC1537226  Fritillaria biflora Gordon H. True Jr. 1935-4-5 219 Riverside Gavilan Hills 609 Comment
  SD251170  Funastrum heterophyllum Duncan S. Bell 2013-1-30 4442 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
  RSA799405  Funastrum hirtellum Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 742 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  SEINET12285252  Galium andrewsii Unknown 1936-1 12763 Riverside E of Banning Comment
  CLARK-A1528-827  Galium angustifolium I. Rauch 1968-5-14 Riverside Santa Ana Mountains Comment
  SEINET3076712 Image available Galium angustifolium B. Pitzer, H. Pitzer, J. Hall 1987-5-23 572 Riverside Whitewater Canyon, from N edge of fish hatchery to ca. 0.5 mi N of it; approximately 5.5 mi N of I-10 on Whitewater Canyon Rd. 732 Comment
  RSA750539  Galium angustifolium subsp. angustifolium Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12589 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  CAS-BOT-BC223055  Galium angustifolium subsp. gracillimum Carl B. Wolf 1932-5-24 3648 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below Fish Hatchery 548 Comment
  RSA0103090  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  JEPS52917  Galium californicum subsp. primum Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4237 1/2 Riverside Chimney Flat (old control) road below Alvin Meadows; San Jacinto Mts., Chimney Flat (old control) road 1402 Comment
  UC219086  Galium parishii P. A. Munz 1922-7-6 6022 Riverside near Hidden Lake; San Jacinto Mts. 2560 Comment
  RSA0121056  Galium stellatum Duncan S. Bell, LeRoy Gross 2016-3-29 9118 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  LA208447  Galium stellatum var. eremicum H. L.; 1939-4-9 Riverside Indio -6 Comment
  SDSU18650  Galium stellatum var. eremicum Michael G. Simpson, Kristen Hasenstab 2008-4-1 2943 Riverside Joshua Tree National Park, east side of Mastodon Peak, ca. 0.65 mile east-southeast of Cottonwood Spring. 1027 Comment
  UCR112474  Gamochaeta pensylvanica A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23324 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  RSA444788  Garrya flavescens var. pallida J. C. Roos 1966-4-23 s.n. Riverside Skyline Drive, Santa Ana Mtns., above Corona. Comment
  UC630468  Garrya veatchii H. E. and S. T. Parks 1938-2-17 24087 Riverside Palms to Pines Highway; San Jacinto Mountains 914 Comment
  RSA690934  Gastridium phleoides Scott D. White, Michael Honer 2003-5-27 9414 Riverside 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
  OBI26134  Geraea canescens David J. Keil 1976-12-12 11914 Riverside 5 mi E of Indio along I-10 Comment
  RSA696893  Geraea canescens J. Russell Bruff 1929-12-29 s.n. Riverside Near turn off to Hidden Spring N.E. side of Salton Sea. Comment
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Apr 17 2011
  SBBG60586  Geraea canescens R. C. and J. R. Robbins 1933-2-15 Riverside near foot of Palms to Pines Hwy, ca. 11 mi SW of Palm Springs Comment
  UCD20079  Geraea canescens Donald W. Kyhos 1965-4-7 65 -134 Riverside 3.4 miles east of junction of Hwy 111 and Hwy 60-70, near Indio. Comment
  RSA523916  Gilia achilleifolia subsp. multicaulis G. H. True 1935-2-26 17 Riverside Mockingbird Canyon. 366 Comment
  SEINET7073408  Gilia angelensis A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR120191  Gilia angelensis Mitch Provance 1998-3-6 139 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Park, 0.7 km west of Pyrite St.on the north side of Granite Hill Dr. 305 Comment
  UCR126366  Gilia angelensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 694 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR59134  Gilia angelensis N. M. Fellows 1985-3-16 112 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts Comment
  UCR91224  Gilia angelensis Scott D. White 1996-3-31 3871 A 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
  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
  RSA586875  Gilia capitata subsp. abrotanifolia D. L. Banks, S. D. Boyd 1995-5-3 0294 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR71829  Gilia maculata George K. Helmkamp 1992-4-11 92- 3 Riverside Whitewater River, Sandy bench in Whitewater River wash, 0.4 mi. north of pumping station and 150 yds. east of road (c. 1/2 way between Bonnie Bell and station) 550 Comment
  RSA0016276  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside East of Hemet. 600 Comment
  RSA0017106  Gilia ochroleuca subsp. exilis P. A. Munz 1926-4-30 10376 Riverside Near Temecula. Comment
  POM8527  Gilia stellata Mary F. Spencer 1920-4-5 64 Riverside Palm Springs, Colorado Desert. 122 Comment
  SDSU3096  Gilia stellata H. Wedberg 1962-4-20 913 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  UCR245889  Gilia stellata R. F. Thorne 1995-3-29 63022 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR279344  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-23 42946 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 823 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
  CLARK-A1528-1851  Gnaphalium californicum John C. Roos 1952-6-8 5750 Riverside Reche Canyon 548 Comment
  UCR233084  Gnaphalium canescens subsp. microcephalum T. B. Salvato, Richard Camacho 2011-6-12 5492 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR90605  Gnaphalium leucocephalum Scott D. White 1995-6-29 3393 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA691032  Gnaphalium luteoalbum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24603 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 1341 Comment
  UCR169466  Gnaphalium luteoalbum John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCR156459  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 885 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR256777  Gnaphalium palustre T. B. Salvato, Matthew Malle 2013-5-20 7581 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  SDSU14192  Gnaphalium stramineum David Mabs 2002-4-20 18 Riverside Santa Margarita Ecological Reserve. About a hundred yards up river from where Tornado Road crosses. 235 Comment
  UCR22145  Gnaphalium stramineum Steve Boyd 1980-7-12 335 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  POM125  Guillenia lasiophylla M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  SEINET10728243  Gutierrezia David B. Dunn 1947-10-9 Dunn 3524 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  CAS-BOT-BC304635  Gutierrezia californica Lewis S. Rose 1966-12-14 66110 Riverside Chino Canyon, 3 mi. w. of Palm Springs 670 Comment
  UC1509673  Gutierrezia californica Meredith A. Lane 1982-10-13 3028 Riverside 45.2 km (28.1 mi) e Keen Camp summit of the San Jacinto Mountains (on California State Highway 74) Comment
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Nov 20 2010
  POM359229  Gutierrezia sarothrae N. R. Zabriskie, W. M. Zabriskie 1970-11-1 329 Riverside Andreas Canyon area, east slope San Jacinto Mountains. 427 Comment
  UCSB24494  Gutierrezia sarothrae McMinn, Howard 1935-6-23 Riverside About 1/2 mile south of Elsinore Comment
  UCR163886  Haplopappus acradenius B. G. Pitzer 2001-11-4 4351 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR60270  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3133 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  SEINET13387099 Image available Helianthemum scoparium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8350 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  UCR89753  Helianthemum scoparium Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3299 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
  UCR16864  Helianthus gracilentus A. C. Sanders 1973-5-20 00136 Riverside Perris-Aguanga Basin region, Sunnymead, Kalmia Ave. east of Steeple Chase Dr. 549 Comment
  UCR280917  Helianthus gracilentus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 27 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  RSA0045156  Heliotropium curassavicum Andrew Haimov, April Sleigh 1992-5-10 88 Riverside West side of Davis Road, 1/2 mile south of Allessandro Road, San Jacinto Wildlife Area. Across road from agricultural field. Comment
  POM12215  Heliotropium curassavicum var. oculatum Mary F. Spencer 1921-3-23 s.n. Riverside Mecca -60 Comment
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Sep 7 2011
  UCD119439  Heliotropium curassavicum var. oculatum A. C. Sanders 2004-8-10 28762 Riverside Perris-Aguanga Region: 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) and S of Nuevo Rd., between San Jacinto River and Nuevo. 433 Comment
  UCR93834  Hemizonia fasciculata G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  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
  UCR23815  Hemizonia kelloggii John C. Roos 1965-6-27 s.n. Riverside Reche Canyon Comment
  RSA614918  Hemizonia mohavensis A. C. Sanders, Schram, D. Wappler 1994-10-4 15769 Riverside San Jacinto Mts. N slope of mts.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing. 854 Comment
  RSA655231  Hemizonia paniculata Scott D. White 1999-11-12 7632 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  UCR101207  Hemizonia paniculata D. L. Banks, L. Raz 1996-11-5 1156 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  UCR201856  Hemizonia paniculata Justin M. Wood 2008-8-31 121 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  RSA735851  Hemizonia pungens subsp. laevis Scott D. White, Justin M. Wood 2008-4-15 11874 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  UC672095  Hesperocallis undulata Herbert L. Mason 1928-3-10 4208 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  CAS-BOT-BC508661  Hesperocallis undulata H. M. Hall 1905-4-1 5831 Riverside Mecca Comment
  POM46855  Heterocodon rariflorum Charlotte M. Wilder 1903-07 s.n. Riverside Strawberry Valley, San Jacinto Mountains. Comment
  RSA740766  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-19 12264 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  SEINET13297594 Image available Heteromeles arbutifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8351 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  UC63142  Heterotheca grandiflora H. M. Hall 1899-1-1 Riverside vicinity of Riverside Comment
  RSA0075888  Heterotheca grandiflora Doris Bowers 1972-4-15 1825 Riverside Pulgas Creek Wash mouth, Rancho California 396 Comment
  RSA0075895  Heterotheca grandiflora E. W. Lathrop 1966-3-2 6045 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails. 878 Comment
  UCR52415  Heuchera hirsutissima David Charlton 1988-5-28 2122 Riverside Santa Rosa Mtns, S of Hwy 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp area, S facing slopes, E side 2287 Comment
  CAS-BOT-BC203349  Hibiscus denudatus Carl B. Wolf 1932-4-27 2991 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  RSA0106700  Hibiscus denudatus Duncan S. Bell, Thomas Stoughton 2010-3-19 569 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA515200  Hibiscus denudatus Steve Boyd, Orlando Mistretta 1986-3-13 1474 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  POM12913  Hieracium horridum P. A. Munz 1922-6-28 5887 Riverside Toro Peak; Santa Rosa Mts. 2439 Comment
  UC489128  Hieracium horridum C. V. Meyer 1928-7-31 610 Riverside Tahquitz Peak San Jacinto Mts., Tahquitz Peak 2682 Comment
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Aug 3 2008
  SEINET212651 Image available Hilaria rigida L. C. Higgins 1974-4-12 8488 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  SEINET223804 Image available Hilaria rigida E. Neese 1979-4-10 7077 Riverside Ca 25 mi W of Blythe along Interstate 10 244 Comment
  SEINET3365552  Hoffmannseggia glauca G. Rink 2011-9-25 11071 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  UC864216  Hoffmannseggia glauca J. Francis Macbride and Francis Drouet 1941-10-14 4470 Riverside just w Desert Center 274 Comment
  SD122905  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Road, 10.4 miles west of Rancho California, in wet sand along stream at the point where east branch of De Luz Creek first crosses the road Comment
  RSA309523  Holodiscus discolor James R. Shevock 1978-4-26 5904 Riverside Northeast side of Pleasants Peak, Cleveland National Forest 1189 Comment
  SD30947  Hordeum brachyantherum subsp. californicum Phillip A. Munz 1937-3-27 14936 Riverside Damp flat, overflow from Lake Elsinore 305 Comment
  UCR234425  Hordeum intercedens Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA741165  Hordeum murinum Scott D. White, Justin M. Wood 2008-5-15 12001 Riverside Johnson Meadow. 1415 Comment
  RSA87059  Hordeum murinum subsp. glaucum F. W. Peirson 1921-3-22 4337 Riverside Murray Canyon, near Palm Springs 396 Comment
  RSA593918  Hordeum murinum subsp. leporinum Steve Boyd, Dave Bramlet 1996-4-19 8593 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
  POM20018  Horkelia clevelandii Mary F. Spencer 1923-6-20 2199 Riverside Idyllwld. 1646 Comment
  POM361066  Hymenoclea salsola T. L. Secrest 1950-3-13 s.n. Riverside Near Salton Sea. Comment
  RSA27452  Hymenoclea salsola I. L. Wiggins 1941-3-24 9576 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  UCR85286  Hymenoclea salsola Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  CAS-BOT-BC312628  Hymenopappus filifolius var. lugens H. M. Hall 1899-5-25 11781 Riverside Western borders of the Colorado Desert. Coyote Canyon 1524 Comment
  JOTR33931  Hymenoxys cooperi La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2821 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  JEPS66802  Hypericum anagalloides I. W. Clokey and E. G. Anderson 1935-8-21 6833 Riverside N. Fork San Jacinto R. 1500 Comment
  SBBG72729  Hypericum formosum var. scouleri M. Lewis 1947-8-26 12 Riverside Dark Cyn 1981 Comment
  JOTR32428  Hyptis emoryi La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2124 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA550013  Hyptis emoryi Walter Wisura, John Dolan, C. Demme 1992-4-13 4684 Riverside Low Desert: Corn Spring. N-base of Chuckwalla Mtns. Comment
  RSA793418  Hyptis emoryi Naomi S. Fraga, David Fraker, Tommy Stoughton 2012-3-15 3945 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UC1714392  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); Painted Canyon Comment
  CAS-BOT-BC311606  Isocoma acradenia var. eremophila W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon [Canyon] Comment
  UC53957  Isocoma acradenia var. eremophila J. Vandeventer 1903-1-1 11 Riverside San Jacinto Mts. Comment
  UC87310  Isocoma acradenia var. eremophila Frank Stephens 1898-1-1 Riverside Colorado Desert Comment
  POM318592  Isocoma menziesii var. menziesii Patricia Wilder 1970-10-15 4798 Riverside [Prado Dam area] Comment
  RSA0011076  Juglans californica Steve Boyd 1991-3-17 5494 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
  RSA0011198  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37141 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  UCR207809  Juglans californica O. F. Clarke 2004-3-14 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  UCR84606  Juglans californica Scott D. White, S. Ogg 1994-4-21 1947 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR174258  Juncus balticus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32677 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., near stream crossing of dirt road 549 Comment
  SDSU13571  Juncus balticus subsp. ater W. Miller 1972-7-20 Riverside 316 Comment
  RSA760325  Juncus bufonius Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55214 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  RSA789241  Juncus bufonius Naomi Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2423 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  SD186021  Juncus bufonius A. C. Sanders, Mike Misenhelter 2005-6-15 30954 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd. near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn. 640 Comment
  UC1563066  Juncus bufonius Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3641 Riverside se of Vail Lake area (just n of Hwy 79); Temecula Creek 487 Comment
  SD90604  Juncus bufonius var. occidentalis Robert F. Thorne, Earl Lathrop 1969-5-12 37924 Riverside Santa Rosa Plateau, large vernal marsh on south end of Mesa de Colorado, Rancho California. In wet mud and shallow water at northern margin. Comment
  UC146411  Juncus longistylis Charlotte M. Wilder 1909-7-11 909 Riverside trail to Round Valley above Log cabin San Jacinto Mts. Comment
  UCR98899  Juncus macrophyllus Scott D. White 1996-8-1 4429 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  JOTR35513  Juncus mexicanus La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3200 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  UCR23188  Juncus rugulosus P. Tomlinson 1981-5-24 40 Riverside Peninsular Range, Near Mesa de Colorado, c. 1 mi south of Tenaja Rd., 3 mi east of Squaw Mtn, and c. 0.25 mi north of central Mesa Colorado 652 Comment
  RSA304314  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1980-5-21 3481 Riverside Santa Rosa Mountain Road (Forest Road 7S02) ca. 2.0 miles S of Highway 74 (Pines to Palms Highway). 1585 Comment
  CAS-BOT-BC85409  Juniperus californica W. D. Clark; G. Owens 1986-11-30 1742 Riverside 17 miles W of Rte. 74 & Rte. 111 junction on Rte. 74 at the Pinyon Flat Campground Comment
  RSA604385  Juniperus californica L. C. Wheeler 1960-1-2 7672 Riverside Alberhill. Open rocky flat. Comment
  RSA604871  Juniperus californica Scott D. White 1995-12-24 3797 Riverside Lakeview Mountains. Juniper Flats Rd. ca. 1 1/2 road miles N of jct. w/ SR 74. 609 Comment
  RSA660029  Juniperus californica Michelle Cleveland 1981-2-14 9 Riverside Turn left at sign for Bighorn overlook, 13 miles from junction of Hwys [1]11&74. 1200 Comment
  CAS-BOT-BC234577  Justicia californica David Dreyer 1967-3-18 s.n. Riverside Unspecified 152 Comment
  CAS-BOT-BC234581  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs 138 Comment
  POM68899  Justicia californica Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
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Jun 17 2012
  RSA398814  Justicia californica Robert L. Dressler 1949-3-19 413 Riverside Box Canyon, Orocopia Mts. Comment
  RSA80967  Justicia californica G. R. Campbell 1952-4-6 18416 Riverside 3 mi. S. of jct. with road to Cottonwood Springs, Joshua Tree National Monument Road from 29 Palms to Hwy 60-70. 915 Comment
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Nov 19 2011
  SJSU127  Justicia californica C. D. Duncan 1933-3-25 Riverside between Mecca & Shavers Well Comment
  UCD121633  Justicia californica Anne Harrison 1962-4-17 29 Riverside Santa Rosa Mountains, State Highway 74. Mountainside overlooking Deep Canyon to the east and Palm Desert to the north. 457 Comment
  UCSB9384  Justicia californica Ralph, F. 1959-5-17 Riverside 2.7 miles south of Palm Desert City limits; Colorado Desert 457 Comment
  RSA793567  Kallstroemia californica Duncan S. Bell 2012-9-13 4191 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  RSA528069  Keckiella antirrhinoides Scott D. White 1991-4-10 91 -59 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road. 610 Comment
  UCR154757  Keckiella antirrhinoides T. B. Salvato, Kent Beaman 2005-5-16 784 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR174045  Keckiella antirrhinoides A. C. Sanders 2006-5-19 32448 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR270318  Keckiella antirrhinoides T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8340 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  RSA543939  Keckiella cordifolia Steve D. Boyd 1991-5-10 6217 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  RSA787991  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest. Comment
  UCR119859  Keckiella rothrockii subsp. jacintensis Heidi West 2000-7-20 s.n. Riverside San Jacinto Mtns., Hidden Lake Divide, 0.2 mi. ESE of Divide Peak and c. 0.15 mi. SW of the W edge of Hidden Lake, just east of trail from Long Valley to Willow Creek 2659 Comment
  RSA735943  Kochia scoparia Scott D. White, Justin Wood 2008-6-13 12104 Riverside San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  CAS-BOT-BC273678  Koeleria pyramidata Scott D. White 1996-8-1 4446 Riverside San Jacinto Mts. Idyllwild Area: North of Strawberry Valley, between Bear Trap Cyn and Lily Creek 1615 Comment
  RSA303861  Krameria erecta Jim R. Shevock 1971-5-8 1037 Riverside White Tank, Joshua Tree National Monument. 1174 Comment
  RSA502493  Lactuca saligna Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3734 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  UCR21851  Lactuca serriola Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  CAS-BOT-BC341448  Lagophylla ramosissima E. W. Lathrop 1966-5-8 6268 Riverside 5 miles west of Murrieta Comment
  SEINET5560172  Lamarckia aurea H. S. Gentry 1973-1 22192 Riverside Gentry ranch, 3.5 miles NE of Murrieta. 396 Comment
  UCR207346  Lamarckia aurea O. F. Clarke 2004-3-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR2508  Lamarckia aurea F. M. Reed 1926-3-10 5270 Riverside Riverside 229 Comment
  POM12138  Lamarckia aurea Mary F. Spencer 1921-5-28 s.n. Riverside Near San Jacinto 549 Comment
  UCR12285  Langloisia schottii Art Whistler 1966-3-26 s.n. Riverside Colorado Desert/ Santa Rosa Mtns, alluvial fan below Deep Canyon, 1 mi. from the Boyd Desert Research Center. Comment
  JOTR28941  Larrea tridentata La Doux, Tasha 2005-3-30 1177 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  LA209861  Larrea tridentata Harlan Lewis; 1935-4-7 sn Riverside Palm Springs 138 Comment
  RSA390005  Larrea tridentata Albert J. Perkins 1916-4-16 s.n. Riverside Desert near Palm Springs. Comment
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Aug 27 2011
  SEINET4557743  Larrea tridentata Naomi Fraga, David Fraker, Tommy Stoughton 2012-1 3956 Riverside Mojave Desert; southcentral Mojave Desert region: off of Box Canyon Rd. S. of Shaver well on an alluvial plain 323 Comment
  SEINET5762028  Larrea tridentata Kelly Wagner 1999-3-8 Riverside Dirt lot on left hand side (heading west) off Palm Canyon Dr. & Golf Club Dr. 148 Comment
  UC1282040  Larrea tridentata Theodore J. Crovello 1963-12-14 263 Riverside w of Salton Sea (along U.S. Hwy 99, 24.7 mi n of intersection with Calif Hwy 78) -30 Comment
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Jun 15 2013
  UCD107211  Larrea tridentata Gordon Pilone 1961-3-1 101 Riverside White Water Canyon one-half mile below fish hatchery. San Bernardino Mt. Range. 457 Comment
  UCR167201  Larrea tridentata 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
  UCR272875  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot, Forrest D. Freund 2015-4-1 071 Riverside Sonoran (Colorado) Desert, Coachella Valley, Santa Rosa Mountains, suth of La Quinta, north of Devil Canyon, 2.5 miles west of Lake Cahuilla 136 Comment
  RSA594128  Lastarriaea coriacea D. L. Banks, Victor W. Steinmann 1996-4-20 0907 B 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 trail to the W, approx. 50 m S of the gate to the Reserve. 451 Comment
  UC1979559  Lasthenia californica Darin L. Banks, Steve Boyd 1995-5-3 288 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  CAS-BOT-BC354219  Lasthenia coronaria L. R. Abrams 1935-4-7 13668 Riverside Gavilan Hills 2 mi S.W., Perrin Comment
  RSA614656  Lasthenia coronaria A. C. Sanders 1997-3-1 19710 Riverside Box Springs Mtns: Coyote Hill (Bench Mark 'Versity', 1386ft) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA645634  Lasthenia coronaria Scott D. White 1999-5-2 7283 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
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Apr 23 2011
  UCR250130  Lasthenia coronaria A. C. Sanders 2014-4-9 40996 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  UCR41244  Lasthenia coronaria N. M. Fellows 1985-3-16 s.n. Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  UCR95776  Lasthenia coronaria C. B. Wolf 1935-4-7 06306 Riverside Gavilan Hills, 2 mi. SW of Perris 427 Comment
  UCR189572  Lasthenia glabrata subsp. coulteri Theresa Johnson 2007-3-27 309 Riverside San Jacinto Valley, San Jacinto Wildlife Area east of Davis Road, on southern edge of self-guided tour's 'Marsh A 433 Comment
  RSA650961  Lasthenia gracilis R. L. Bowlin 1949-4-3 s.n. Riverside 3 miles south of Lake Elsinore. 15 Comment
  UC69222  Lasthenia gracilis F. M. Reed 1905-5-15 16 Riverside canyon in hills near Auburndale Bridge (vicinity of Riverside) Comment
  RSA406643  Lathyrus vestitus N. C. Cooper 1949-6-29 4300 Riverside East side of San Jacinto Mountains. 1524 Comment
  POM13822  Lathyrus vestitus subsp. alefeldii P. A. Munz 1922-4-28 5050 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  RSA511357  Lathyrus vestitus subsp. alefeldii B. Pitzer, E. Misquez 1988-3-20 665 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  POM15152  Lathyrus vestitus subsp. laetiflorus Mary F. Spencer 1922-6-24 s.n. Riverside Idyllwild, San Jacinto Mountains. 1768 Comment
  UC64364  Lathyrus vestitus var. alefeldii H. M. Hall 1897-3-27 408 Riverside Alamos, vicinity of Winchester Comment
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Apr 4 2013
  JOTR37761  Layia glandulosa Hodges, Stephen R. 2016-2-29 717 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UC1329951  Layia glandulosa James E. Cole 1941-5-17 724 Riverside Covington Flat Joshua Tree National Monument, Covington Flat 1584 Comment
  UCR84885  Layia glandulosa A. C. Sanders, K. C. Rose, , D. Woodard 1995-3-22 16233 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  POM157893  Layia platyglossa subsp. campestris P. A. Munz 1927-5-21 10891 Riverside Coahuila Valley 1372 Comment
  RSA90128  Lemna minor E. K. Balls, Percy C. Everett 1953-8-19 18537 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  SD114969  Lepechinia cardiophylla M. Kottman 1982-5-17 Riverside Junction of Indian Truck Trail and North Main Divide; Santa Ana Mountains. Comment
  RSA594782  Lepidium densiflorum var. ramosum D. L. Banks, Dylan Hannon 1996-5-3 976 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 539 Comment
  UCR162956  Lepidium dictyotum var. acutidens Fred M. Roberts, D. E. Bramlet 2005-4-1 6152 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR162888  Lepidium dictyotum var. dictyotum Fred M. Roberts, D. E. Bramlet 2005-4-1 6154 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  POM265283  Lepidium fremontii I. L. Wiggins 1937-3-9 8755 Riverside 5 miles west of Shaver's Well. Comment
  UCR180306  Lepidium lasiocarpum Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11265 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UC144134  Lepidium lasiocarpum var. lasiocarpum Charlotte M. Wilder 1908-3-25 1121 Riverside Fairmount Park Riverside Comment
  RSA573018  Lepidium nitidum Steve Boyd 1986-3-9 1386 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  UCR92690  Lepidium pinnatifidum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18054 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  OBI45208  Lepidium virginicum B. Pitzer & Jack Easton, Jack Easton 1987-3-10 402 Riverside Anza area, hills S of Thomas Mtn, ca 3 mi (airline) E oftown of Anza on N side of hwy 371. Butterfly Peak 7.5'quad: T7S, R4E, NE1/4 sec 13 1341 Comment
  RSA276729  Lepidium virginicum var. pubescens John F. Emmel 1978-6-18 607 Riverside San Jacinto Mts.; Strawberry Creek, SW of Idyllwild 1555 Comment
  UCR21297  Lepidium virginicum var. pubescens A. C. Sanders, K. Berg 1980-5-1 1369 Riverside San Jacinto Mtns., Garner Valley. 0.25 mi NW of the Kenworthy Ranger Station. 1387 Comment
  UCR97684  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19924 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  HSC47589  Lepidospartum squamatum Richard Spjut, Judy Adams 1978-11-22 5239 Riverside Colorado Desert, N of Palm Springs ca. 1 mi. S from Jct. with Hwy. 10 Comment
  RSA450059  Leptochloa panicea subsp. mucronata J. C. Roos 1965-9-5 s.n. Riverside Blythe. Comment
  UCR202442  Leptochloa uninervia Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCR26287  Leptochloa uninervia John C. Roos, L. Roos 1951-10-24 5332 Riverside City of Riverside, between Arlington area and Pedley 229 Comment
  UCR127105  Leptodactylon californicum Mitch Provance 1998-6-1 570 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 Comment
  RSA74294  Leptosiphon lemmonii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM364642  Leptosiphon liniflorus N. C. Cooper 1949-6-29 4324 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  POM556  Lesquerella tenella H. M. Hall 1905-4-24 5882 Riverside Salvation Springs [Salvation Well, Chocolate Mts., ENE of Niland in Salvation Pass near Pegleg Well] Comment
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Nov 20 2011
  UC1287162  Lesquerella tenella C. L. Hitchcock 1966-3-20 24309 Riverside along road to Blythe about 30 mi n Ogilby Comment
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Mar 2 2013
  UCR278881  Lessingia glandulifera Mitch Provance 2012-7-17 712- 21 Riverside San Gorgonio Pass, City of Banning, along E. Lincoln St., vicinity of the Banning Substation, between Hargrave St. and San Gorgonio Ave. 698 Comment
  CAS-BOT-BC383070  Lessingia glandulifera var. glandulifera R. E. Riefner, Jr. 2013-6-15 13 -119 Riverside Garner Valley, N side of Hwy 74 ca. 0.45 mi E of Thomas Mountain Rd. (Forest Rte 6S130); Little Thomas Mtn. area 1386 Comment
  POM15213  Leymus condensatus Mary F. Spencer 1922-6-30 1984 Riverside Brook's Camp - San Jacinto Mountains. 1220 Comment
  UC38168  Leymus condensatus H. M. Hall May 1899 1218 Riverside Smith Mt. San Jacinto Mountains Comment
  RSA192244  Lilium humboldtii subsp. ocellatum H. A. Zuill 1966-6-27 252 Riverside At Fisherman's Camp in Tenaja Canyon, about 13 miles SW of Murrieta. Comment
  CAS-BOT-BC130878  Lilium parryi Mrs. E. C. Van Dyke 1928-7-20 s.n. Riverside Idyllwild Comment
  UC3727  Lilium parryi H. M. Hall Jun 1901 2451 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1524 Comment
  UC52868  Linanthus aureus H. M. Hall 1902-4-12 2836 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  RSA160526  Linanthus californicus J. D. Olmsted 1959-4-10 343 Riverside 3 miles south of Banning on highway to Idyllwild. 1067 Comment
  SJSU8696  Linanthus dianthiflorus N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd 3 mi N of Lake Elsinore Comment
  RSA543897  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1991-5-20 6272 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  UC880049  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-5-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  UCR139144  Linanthus lemmonii John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  UCR42395  Linanthus liniflorus B. A. Carlson 1986-3-9 s.n. Riverside San Bernardino Mtns., Alta Mesa, on top of the mesa just west of Whitewater Canyon in the wind turbine field 701 Comment
  CLARK-A1528-5712  Linanthus liniflorus subsp. pharnaceoides John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  UCR133690  Linaria canadensis 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
  UCR171954  Linaria canadensis 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
  RSA314475  Lipocarpha micrantha Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55378 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA535083  Lobularia maritima Steve Boyd 1991-5-20 6280 Riverside Temescal Canyon, NW of Lake Elsinore. Alluvial fan at mouth of Rice Cyn. 488 Comment
  UCR213617  Loeflingia squarrosa A. C. Sanders, Matthew Malle 2010-4-23 38011 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA340182  Loeseliastrum matthewsii R. F. Thorne, W. A. Tilforth 1980-5-28 54184 Riverside Rocky, W-facing slope of Whitewater ridge above old bridge. Comment
  SBBG5924  Loeseliastrum matthewsii K. K. Muller 1958-3-22 920 Riverside 5.5 mi E of Desert Center Comment
  RSA468347  Loeseliastrum schottii Robert M. Perkins 1937-3-15 376 Riverside West of blythe. Comment
  RSA748289  Loeseliastrum schottii Justin M. Wood 2009-3-26 417 Riverside Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  UC31920  Logfia depressa W. G. Wright 1890-3-1 1819 Riverside Colorado Desert Comment
  UC1523459  Logfia filaginoides Robert F. Thorne and C. W. Tilforth 1980-5-28 54229 Riverside ca 3.2 mi n Whitewater P.O. (and Hwy 10); San Bernardino Mts., Whitewater River Comment
  SEINET251686 Image available Lolium rigidum Walter Graves 2002-5-15 502 -15 Riverside Riverside: grown at U. C. R. in Agricultural Operations Fields (Riverside East 7.5 Q.) 305 Comment
  RSA234069  Lolium temulentum R. F. Thorne, E. Lathrop 1969-5-19 37982 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  UCR164892  Lomatium lucidum S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  RSA336410  Lomatium mohavense subsp. longilobum R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52084 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  UC1537173  Lomatium utriculatum Gordon H. True Jr. 1935-3-18 125 Riverside hills e. Citrus Expt. Station (Box Springs); Box Springs 396 Comment
  UCR37444  Lomatium utriculatum Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Gavilan Hills, Gavilan Springs Comment
  POM78237  Lomatium vaginatum Marcus E. Jones 1982-4-25 s.n. Riverside San Jacinto. Comment
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Dec 8 2013
  UCR54454  Lonicera subspicata A. C. Sanders, E. J. Lawlor 1988-10-22 8733 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  UCR89901  Lonicera subspicata A. C. Sanders 1995-11-26 17910 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  RSA455385  Lonicera subspicata var. denudata N. C. Cooper 1949-6-29 4311 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  SD229122  Lonicera subspicata var. denudata Dick Schwenkmeyer 2012-3-26 676 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA784833  Lotus J. D. Olmsted 1959-4-23 453 Riverside Santa Ana Mountains; 1/4 miles west of Olive grove near mouth of Tin Mine Canyon; 5 miles SW of Corona. 396 Comment
  POM13999  Lotus argophyllus var. argophyllus E. C. Jaeger s.n. Riverside Santa Rosa Mountains, Colorado Desert Comment
  RSA406723  Lotus argophyllus var. argophyllus E. A. Zumbro 1902-4-10 s.n. Riverside Box Springs Mountain, near Riverside Comment
  RSA23431  Lotus crassifolius C. B. Wolf 1940-7-2 9719 Riverside E side of Santa Ana Mountains Indian Canyon Truck Trail, 1/4 mile below Main Divide 1220 Comment
  RSA249839  Lotus crassifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38104 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  PASA1079  Lotus davidsonii Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 2224 Comment
  RSA552712  Lotus heermannii Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6681 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA582442  Lotus heermannii L. C. Wheeler 1932-9-4 1326 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC62919  Lotus heermannii H. M. Hall Jun 1901 2022 a Riverside s side Shingle Valley; San Jacinto Mountains 1341 Comment
  SDSU4297  Lotus nevadensis var. nevadensis F. Youngberg 1933-4-28 1022 Riverside Idyllwild Pines, San Jacinto Mts. Comment
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Jan 24 2013
  UC15662  Lotus nevadensis var. nevadensis H. M. Hall 1901-7 2491 Riverside shores of Lake Surprise San Jacinto Mountains, Lake Surprise 2499 Comment
  UCR208953  Lotus nevadensis var. nevadensis N. C. Cooper 1944-7-16 1561 Riverside San Jacinto Mtns., above Pine Cove 2073 Comment
  UCR175060  Lotus purshianus Teresa Nieto 2005-5-26 28 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA26280  Lotus rigidus Reid V. Moran 1941-5-4 841 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 Comment
  RSA498786  Lotus rigidus F. W. Peirson 1920-2-16 s.n. Riverside Murray Canyon, Palm Springs region. 274 Comment
  RSA90307  Lotus rigidus F. W. Peirson 1921-3-23 4084 Riverside Deep Canyon, north base of Santa Rosa Mts. 335 Comment
  UCR260845  Lotus scoparius subsp. brevialatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41508 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  RSA586121  Lotus scoparius var. brevialatus D. L. Banks, S. D. Boyd 1995-4-5 0161 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail 610 Comment
  UCR140566  Lotus scoparius var. brevialatus Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 9- 70 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  UCR98081  Lotus scoparius var. brevialatus A. C. Sanders, G. Helmkamp 1997-3-15 19943 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  JEPS55859  Lotus strigosus W. L. Jepson 1901-5-17 1227 Riverside Riverside 266 Comment
  RSA524473  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4077 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UC665763  Lotus strigosus Ira L. Wiggins 1941-3-27 9701 Riverside 4 mi n Whitewater Comment
  UCR107403  Lotus strigosus B. G. Pitzer 1997-3-23 2975 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  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
  UCR153672  Lotus strigosus Scott D. White 1999-5-24 7395 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  RSA406334  Lotus strigosus var. strigosus E. Crow 1929-2-24 179 Riverside Near Cabazon, NW Colorado Desert Comment
  UCR214577  Lotus strigosus var. strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37858 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  CLARK-A1528-2810  Lotus subpinnatus John C. Roos 1952-4-9 5478 Riverside Riverside 259 Comment
  UCR75098  Lotus tomentellus A. C. Sanders, E. J. Lawlor 1992-4-4 12089 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA670676  Lotus wrangelianus B. C. Templeton, I. W. Clokey 1930-4-9 1026 Riverside North of Banning 457 Comment
  RSA413539  Lupinus N. C. Cooper 1949-4-9 3344 Riverside North of Blythe. 244 Comment
  SD185227  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside Morongo Indian Reservation along road in Hathaway Creek Canyon, north of Banning. 793 Comment
  RSA750276  Lupinus albifrons var. flumineus Elizabeth McClintock, H. Lewis 1941-6-29 77 Riverside Road up Santa Rosa Mt. 1 mile beyond canyon where stream crosses road. Comment
  POM349940  Lupinus arizonicus Robert Gustafson 1983-3-27 2491 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  RSA722377  Lupinus arizonicus J. R. Bruff 1928-4-3 171 Riverside 3 mi. So. Cottonwood Springs. Comment
  UCR138564  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1469 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  POM306064  Lupinus bicolor Henry J. Ramsey 1937-5-30 1322 Riverside Santa Rosa Mountains Comment
  RSA0013624  Lupinus bicolor LeRoy Gross, Duncan S. Bell 2013-4-30 6031 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
  SD140103  Lupinus bicolor Scott White 1993-4-20 1202 Riverside Estelle Peak, Gavilan Hills; Lake Mathews quad. 822 Comment
  UCR104024  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-3-5 1334 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR132906  Lupinus bicolor John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  VVC217  Lupinus bicolor A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20687 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  CLARK-A1045-207  Lupinus bicolor subsp. marginatus George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  CLARK-A1528-1162  Lupinus bicolor subsp. microphyllus Cameron Duncan 1966-3-13 Riverside Riverside 548 Comment
  RSA263671  Lupinus bicolor subsp. umbellatus E. W. Lathrop 1970-4-5 7929 Riverside Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA0013625  Lupinus concinnus LeRoy Gross, Duncan S. Bell 2013-4-30 6032 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
  SEINET2062867 Image available Lupinus concinnus J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  UCR122525  Lupinus concinnus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6671 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR1560  Lupinus concinnus subsp. optatus R. L. Needham 1962-5-19 10068 Riverside Peninsular Ranges, San Jacinto Mtns, above Fern Basin Campground (off Idyllwild-Banning Hwy). 1982 Comment
  CAS-BOT-BC205387  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak 2407 Comment
  POM48488  Lupinus excubitus var. austromontanus Mary F. Spencer 1919-6-19 1195 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA282756  Lupinus excubitus var. austromontanus C. W. Tilforth, B. Busenberg 1980-6-10 1995 Riverside Ca. 1/2 mile south of Thomas Mtn Campground, at summit of Thomas Mtn. Rd. , west of Hwy 74 and south of Lake Hemet. 2043 Comment
  RSA413603  Lupinus excubitus var. austromontanus Douglas Bothwell 1934-5-14 s.n. Riverside San Jacinto Mts, Idyllwild. 1610 Comment
  POM312127  Lupinus formosus N. C. Cooper 1944-6-17 1420 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  UC130313  Lupinus formosus H. M. Hall 1899-5-21 1371 Riverside s slope Chalk Hill (foot of Chalk Hill); San Jacinto Mountains, , s slope 1676 Comment
  SEINET10937096  Lupinus formosus David B. Dunn 1947-10-9 Dunn 3534 Riverside Collected near the dry wash or shallow area about half way from the hwy to 29 Palms to hidden valley. Comment
  RSA413637  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR43284  Lupinus hirsutissimus B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  JEPS65100  Lupinus microcarpus var. densiflorus W. L. Jepson 1901-5-17 1248 Riverside San Jacinto Valley lands at Florida; San Jacinto Valley, Valley Lands at Florida Comment
  UCD39069  Lupinus microcarpus var. densiflorus Beecher Crampton 1963-5-7 6780 Riverside 5 miles (in direct line) s.e. of Elsinore, Bundy Road. Western part of county. Comment
  UCR78444  Lupinus sparsiflorus Scott D. White 1993-4-22 1244 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCR97657  Lupinus sparsiflorus A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19775 Riverside Box Springs Mountains, Pigeon Pass Road on the north side of the pass, at major curves in road just above springs. 518 Comment
  RSA272180  Lupinus sparsiflorus subsp. sparsiflorus C. W. Tilforth 1978-4-30 1568 Riverside Low rounded hills east of Norco. Comment
  RSA556492  Lupinus succulentus Julie Greene 1993-3-13 1068 Riverside On the berm between the western ponds. 441 Comment
  UCR241385  Lupinus succulentus T. B. Salvato, Mike Landers 2013-3-21 7384 A Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  RSA414399  Lupinus truncatus Christopher Davidson, Robert Gustafson 1977-4-7 5581 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  RSA605684  Lupinus truncatus R. S. Woglum 1938-5-1 1611 Riverside Peninsular Ranges: San Jacinto Valley; Hemet. Comment
  SD137763  Lupinus truncatus Darin L. Banks, Steve Boyd 1995-3-30 122 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 725 Comment
  UCR93022  Lupinus truncatus G. P. Schultz 1994-4-7 s.n. Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  CAS-BOT-BC231414  Lycium andersonii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9552 Riverside Cottonwood Springs Canyon Comment
  POM14254  Lycium andersonii Philip A. Munz, D. D. Keck 1922-4-9 4811 Riverside South base of Eagle Mtns. 183 Comment
  UCR33527  Lycium andersonii Faulkner 1978-3-15 270 Riverside Sonoran (Colorado) Desert, 1 mi. west of Hwy 95, 25 mi. north of Blythe 152 Comment
  UCR75066  Lycium andersonii A. C. Sanders, E. J. Lawlor 1992-4-4 12115 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC231480  Lycium brevipes var. brevipes Peter H. Raven 1958-1-24 11467 Riverside Cottonwood Springs, Joshua Tree National Monument 914 Comment
  CLARK-A1528-900  Lycopersicon esculentum C. M. Flanagan 1971-5-24 Riverside Highgrove Comment
  UCR280832  Lythrum californicum T. B. Salvato, Gregg Miller 2005-6-3 1375 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR33737  Machaeranthera cognata J. M. Stewart 1984-2-20 84- 5 Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio Hills, ridge & W-facing canyon and slopes, SE of Biskra Oasis 122 Comment
  CAS-BOT-BC334712  Madia gracilis E. W. Lathrop 1966-5-15 6306 Riverside 3 miles SE of Murrieta on the De Luz Road Comment
  RSA263670  Madia gracilis E. W. Lathrop 1968-5-26 6935 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UC219591  Madia gracilis P. A. Munz 1922-6-23 5768 Riverside Keen Camp San Jacinto Mts., Keen Camp 1524 Comment
  RSA674920  Mahonia dictyota Scott D. White, P. De Vries 2000-4-25 7735 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA0087580  Malacothamnus fasciculatus Scott D. White, Justin M. Wood 2008-7-10 12444 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  RSA68316  Malacothrix clevelandii G. R. Campbell 1951-5-30 16134 Riverside 9 miles west of Anza [?] 1067 Comment
  UC54143  Malacothrix coulteri H. M. Hall 1902-4-21 Riverside vicinity Riverside 487 Comment
  UCR262098  Malacothrix glabrata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41520 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  RSA588177  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor W. Steinmann 1995-7-10 0743 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 560 Comment
  RSA719469  Malacothrix saxatilis var. tenuifolia R. E. Riefner 2005-6-19 05 -447 Riverside Peninsular Ranges Province, Agua Tibia Mountains, SE of Temecula, Cleveland National Forest, Agua Tibia Wilderness, NW slope of Agua Tibia Mountain, ca. 1.5 mi WNW of Woodchuck Rd. 665 Comment
  UCR101461  Malvella leprosa A. C. Sanders, K. C. Rose 1998-9-29 22246 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  SEINET10732075  Mammillaria microcarpa Betty Venrick 1962-1 Riverside Comment
  CLARK-A1045-182  Marah fabacea var. agrestis George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  SD138007  Marah macrocarpa Darin L. Banks, Steve Boyd 1995-3-30 131 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, Agua Tibia Mountain, Woodchuck Trail 633 Comment
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Jun 4 2009
  SEINET3083011 Image available Marah macrocarpa A. C. Sanders, M. Jacobsmyer & C. Sanders 1995-2-5 15909 Riverside San Bernardino Mtns: Whitewater Canyon, between Bonnie Bell and the fish hatchery. 550 Comment
  UCR230205  Marah macrocarpa A. C. Sanders 2011-4-6 38978 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
  CAS-BOT-BC216178  Marina parryi C. L. Hitchcock 1932-4-7 12205 Riverside sandy wash, Corn Springs, eastern Riverside County Comment
  RSA404231  Marina parryi L. H. Jones 1910-3-18 s.n. Riverside Riverside Mtn, Colorado River. Comment
  RSA703489  Marina parryi LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1433 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., [second UTM:] UTM 3720669N, 654757E. 480 Comment
  UC68511  Marina parryi H. M. Hall Apr 1905 5846 Riverside Canyon Springs Colorado Desert Comment
  RSA409843  Marrubium vulgare Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, open field. 579 Comment
  RSA660642  Marrubium vulgare Lydia Paneri 1982-4-17 6 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA509554  Medicago polymorpha Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  UCR171736  Melasphaerula ramosa O. F. Clarke, A. C. Sanders 2006-4-4 s.n. Riverside Riverside, UCR Botanical Garden 335 Comment
  RSA0120469  Melica Duncan S. Bell 2016-4-16 9311 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA613416  Melica frutescens D. L. Banks 1997-4-5 1675 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  RSA519239  Melica imperfecta Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SD107747  Melica imperfecta E. W. Lathrop 1964-5-10 5375 Riverside 10 miles west of Murrieta Comment
  UCR163584  Melica imperfecta Tracy Tennant 1998-5-27 s.n. Riverside Beaumont Badlands, Dellamont Peak, c. 3.5 miles ESE of Gilman Hot Springs 1159 Comment
  UCR2558  Melica imperfecta F. M. Reed 1906-4-22 938 Riverside Riverside, Box Springs Mts. Near Bee Rock Point 732 Comment
  UCR265845  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. 1067 Comment
  UC63738  Mentha pulegium H. M. Hall Jul 1897 770 Riverside San Jacinto Mt. Comment
  JOTR33995  Mentzelia affinis La Doux, Tasha, M. Harding 2010-4-7 2883 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  POM6682  Mentzelia albicaulis P. A. Munz, L. T. Street, Williams 1919-3-27 2345 Riverside Salton Sea Comment
  RSA796270  Mentzelia involucrata Jim Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21073 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  UCSB4221  Mentzelia involucrata Atsatt, Pete 1958-3-21 Riverside 1.5 miles from town of Whitewater, U.S. Highway 66 & 99; up Whitewater Canyon 518 Comment
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Nov 19 2014
  RSA0123778  Mentzelia jonesii Duncan S. Bell, LeRoy Gross 2016-3-10 8875 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA741030  Mentzelia montana Justin M. Wood, Brandy N. Ulrich 2008-7-14 19 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  RSA554371  Mentzelia nitens Theo Glenn 1991-4-9 91 -137 Riverside Big wash in Eagle Mountains 787 Comment
  UCR112390  Mesembryanthemum nodiflorum A. C. Sanders, K. C. Rose 1998-5-21 21853 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR182432  Mesembryanthemum nodiflorum Mitch Provance 2005-5-17 6557 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
  RSA356983  Micropus californicus R. F. Thorne 1973-5-23 43870 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  SEINET273065  Microseris douglasii A. C. Sanders 1997-3-26 20131 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd. 1550 Comment
  SD146006  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. I(c) mile west of Warren Road (mak 10/07) 456 Comment
  UCR99158  Microseris douglasii subsp. platycarpha A. C. Sanders, G. Helmkamp 1997-3-15 19995 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR214884  Microseris heterocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37676 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR103258  Microseris lindleyi B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3569 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR182357  Microseris lindleyi Mitch Provance 2005-5-17 6556 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
  RSA0018784  Mimetanthe pilosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA0029100  Mimulus John F. Emmel 1989-3-15 1118 Riverside Bernasconi Hills east of Lake Perris. Slope 0.4 air mi NE of peak 2381. 488 Comment
  GMDRC6570  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  LA209115  Mimulus aurantiacus var. pubescens Norman C. Cooper; 1944-5-6 1205 Riverside Banning 701 Comment
  UC886280  Mimulus aurantiacus var. pubescens C. L. Hitchcock 1940-4-12 6044 Riverside 8 mi nw Elsinore 457 Comment
  UCR155328  Mimulus aurantiacus var. puniceus A. C. Sanders, Mike Misenhelter 2005-3-23 29260 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR35234  Mimulus aurantiacus var. puniceus L. B. Ziegler 1969-4-25 347 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  UCR3990  Mimulus aurantiacus var. puniceus Art Whistler 1965-4-7 s.n. Riverside Peninsular Range, On the E side of Hwy 395, just north of San Diego County line at the entrance to 'Bibleland 229 Comment
  RSA444559  Mimulus bigelovii var. bigelovii Walter Wisura 1988-3-13 4204 Riverside Box Canyon. Comment
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Nov 3 2011
  RSA586120  Mimulus brevipes D. L. Banks, S. D. Boyd 1995-4-5 160 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
  SDSU10761  Mimulus brevipes T. B. Bruhns 1965-5-22 102 Riverside Campground by Hemet Lake; San Jacinto Mtns. Comment
  UCR168493  Mimulus brevipes N. C. Cooper 1944-6-16 2005 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1524 Comment
  UCR22084  Mimulus brevipes Steve Boyd 1980-5-3 187 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  CLARK-A1045-158  Mimulus floribundus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  CLARK-A1528-4246  Mimulus floribundus Pete Holliday 1969-5-19 Riverside Riverside Comment
  HSC85260  Mimulus fremontii Steve Boyd 1986-4-22 1751 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  UC1475132  Mimulus fremontii var. fremontii S. B. and W. F. Parish Apr. 1882 1218 Riverside Morongo Comment
  LA209401  Mimulus guttatus L. Haines; L Eriekbon 1937-4-10 sn Riverside San Jacinto Mountains, Palms to Pines Hwy, 2 mi above valley Comment
  UCR163338  Mimulus guttatus T. B. Salvato, Kelly Volansky 2003-3-27 127 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  SEINET12269984  Mimulus longiflorus H. M. Hall 1902-1 2928 Riverside vicinity of Riverside 457 Comment
  UC27063  Mimulus moniliformis H. M. Hall 1897-8-11 805 Riverside San Jacinto Mountains Comment
  HSC79079  Mimulus parishii G. K. Helmkamp 1984-5-2 - 32 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  GMDRC6589  Mimulus pilosus J. M. Andre 2012-6-15 30553 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA586944  Mimulus pilosus D. L. Banks, S. D. Boyd 1995-5-17 473 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., In the drainage immediately E of the spring just inside the wilderness boundary in north-central, section 33. 707 Comment
  UCR21163  Mimulus pilosus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR256786  Mimulus pilosus T. B. Salvato, Matthew Malle 2013-5-20 7573 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  UCR275277  Mimulus pilosus T. B. Salvato, Gregg Miller 2005-6-7 1457 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  UC64196  Mimulus primuloides H. M. Hall July 1901 2349 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  CSUSB897  Mimulus puniceus Mark T. Wexler 1973-5-13 Riverside Santa Ana Mountains Cleveland National Forest, 10.18 miles from Orange County line of State Route 74, on east face of Santa Ana Mountains. 457 Comment
  RSA788962  Mimulus puniceus Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  JEPS29310  Mirabilis laevis var. crassifolia Rimo Bacigalupi and L. Heckard 1962-3-25 8405 Riverside near headwaters of Temescal Wash and Canyon, western base of Estelle Mountain and just opposite Indian Canyon (from W); 3.3 miles NW of Alberhill along highway 71 304 Comment
  RSA92024  Mirabilis laevis var. crassifolia R. M. Straw 1954-3-14 519 Riverside Jackrabbit trail, Badlands, 1/2 mile E of Hwy 79. Comment
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Feb 4 2009
  RSA464260  Mirabilis laevis var. retrorsa Christopher Davidson 1973-4-1 1837 Riverside Palm Springs. 488 Comment
  UC279685  Mirabilis laevis var. villosa Edmund C. Jaeger 1926-2-28 Riverside hills near Salt Creek Wash Comment
  CAS-BOT-BC434882  Mirabilis multiflora var. pubescens Chas. Vandeventer 1898-6-27 956 Riverside Taurus Mt. 1371 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
  POM182069  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA408772  Mohavea confertiflora Robert M. Perkins, H. de Forest 1937-3-15 374 Riverside N. of Blythe, along Co. Riverside. Comment
  POM9325  Mohavea confertiflora Mary F. Spencer 1920-3-12 591 Riverside Mecca. Colorado Desert, below sea level. Comment
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Sep 7 2011
  RSA608162  Mollugo cerviana Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10050 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA0010770  Mollugo verticillata Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6342 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UCR146128  Monardella australis subsp. australis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1449 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  CAS-BOT-BC220030  Monardella breweri subsp. lanceolata H. M. Hall 1901-7-1 2527 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  UC2042134  Monardella lanceolata R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  CHSC116478  Monardella lanceolata R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Hieghway (74), perhaps 1/4 mile west of El Cariso. Comment
  RSA6029  Monardella lanceolata var. lanceolata Carl B. Wolf 1932-8-4 3914 Riverside Point View near Idyllwild. 1646 Comment
  UCR17529  Monardella linoides subsp. linoides Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  CAS-BOT-BC215491  Monardella nana E. McClintock; H. Lewis 1941-6-29 78 Riverside Road up Santa Rosa Mt. 5 1/2 miles beyond canyon where stream crosses road Comment
  LA96091  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mountain, 0.5 mi. beyond Black Mountain Spring Comment
  IRVC2059  Monardella nana subsp. arida R. H. Whittaker, W. A. Niering 1963-6-9 SJ 353 Riverside Santa Rosa Mountain Road Peninsular Ranges, Santa Rosa Mountains 1875 Comment
  RSA50569  Monardella nana subsp. arida E. C. Jaeger 1949-7-25 s.n. Riverside Virgin Spring, north slope of Toro Peak. Santa Rosa Mtn. 2378 Comment
  RSA750287  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 95 Riverside Banning-Idyllwild road. At the creek beyond Stone Creek. Comment
  RSA750298  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 107 Riverside San Jacinto Mountains. Trail to Deer Springs, a short distance below first spring which crosses trail. Comment
  UC1499801  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 105 Riverside treil to Suicide Rock (a few hundred ft beyond the forks); San Jacinto Mts. Comment
  UC1499829  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 126 Riverside trail to Hidden Lake (below the point at which the switchbacks begin); San Jacinto Mts. Comment
  SEINET10895197  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 39 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  SEINET13948653 Image available Monardella saxicola Martha P. Creighton 1952-1 687 Riverside 2 mi. E Dripping Springs, 1500 ft alt. 457 Comment
  UCR19047  Monoptilon bellioides John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCSB30442  Monoptilon bellioides Wheeler, William 1975-3-9 Riverside In Box Canyon Wash, 13 miles south of interstate 10 on Hwy. 195, south side of road 60 Comment
  UCSB57982  Monoptilon bellioides Charlton, David 1988-2-18 Riverside Alluvial Fan, S side of Little San Bernardino Mtns., Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10; 1 mi. E of Jct. Dillon Rd. and Fargo Cyn. Rd. 609 Comment
  CLARK-A1528-4755  Muhlenbergia microsperma John C. Roos 1937-5-1 1406 Riverside La Sierra Comment
  RSA605174  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. J. MacKay, et al. 1995-3-19 16182 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  SEINET251740 Image available Muhlenbergia microsperma A. C. Sanders 2004-4-20 27550 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line (Fallbrook 7.5' Q.:). 640 Comment
  UCR113153  Muhlenbergia microsperma A. C. Sanders 1998-3-11 21689 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north side of Diamond Valley, along high water road of reservoir under construction 549 Comment
  SDSU13929  Muhlenbergia rigens Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2138 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  RSA736532  Muilla maritima Scott D. White 2004-4-26 10238 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  SD138817  Myosurus minimus var. apus Craig Reiser Unknown Riverside Hemet; southwestern corner of Florida & Warren Comment
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Mar 24 2011
  RSA0025077  Myriophyllum verticillatum Steve Boyd, T. S. Ross 1989-8-28 3800 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SD87753  Myriopteris covillei Frank W. Peirson 1921-3-22 2331 Riverside Murray CaA'on Comment
  RSA522093  Najas marina Steve Boyd, Orlando Mistretta 1989-7-18 3761 Riverside Vail Lake area, along west shore of lake 1/2 mi S of dam. 427 Comment
  RSA124411  Nama demissa Percy C. Everett, E. K. Balls 1958-4-29 9830 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City. 549 Comment
  RSA421117  Nama demissa E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  SEINET9122027  Nama demissa Katherine Muller 1952-1 562 Riverside At S entrance to Joshua Tree National Monument. Comment
  RSA757633  Nama demissa var. demissa LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4321 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
  UC1069111  Nama demissa var. demissa H. S. Yates 1936-4-7 5424 Riverside near Whitewater; San Jacinto Quad., near Whitewater Comment
  RSA517933  Nama hispida var. spathulata Steve Boyd, Orlando Mistretta 1986-3-13 1406 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UCD119544  Nama hispida var. spathulata Carl B. Wolf 1932-4-28 3082 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. west of Blythe on the Mecca Road. Comment
  RSA660535  Nassella lepida Orlando Mistretta 1992-6-10 525 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  SEINET7072823  Nassella pulchra A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 6" North Latitude, -116? deg. 49' 57" West Longitude, Coordinate datum: NAD27.). Comment
  RSA681894  Navarretia atractyloides Scott D. White, Michael Honer 2003-6-17 9554 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  POM13615  Navarretia fossalis P. A. Munz, I. M. Johnston 1922-5-19 5370 Riverside 8 miles NE of Murietta. 412 Comment
  RSA450147  Navarretia hamata J. C. Roos 1965-6-30 s.n. Riverside ortega Highway, Santa Ana Mtns. Comment
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May 21 2011
  UC718523  Navarretia hamata subsp. hamata Carl B. Wolf 1936-6-17 Riverside 1.4 mi off Ortega Highway (Tenaja Road, on road to La Cienega); Santa Ana Mts. 609 Comment
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Sep 24 2011
  UCR229515  Navarretia intertexta Jeremiah George 2011-9-15 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR154543  Navarretia prostrata Jason L. Hlebakos 2005-5-18 705 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  RSA464362  Nemacaulis denudata var. gracilis George B. Grant 6718 Riverside Palm Springs. Comment
  RSA698132  Nemacladus glanduliferus var. orientalis J. R. Bruff 1928-4-2 111 Riverside Canyon W of Morengo Comment
  RSA727601  Nemacladus glanduliferus var. orientalis Naomi Fraga, Lisa Rojas 2005-2-10 1390 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UCR86150  Nemacladus longiflorus var. breviflorus A. C. Sanders, M. Skinner 1995-4-6 16395 Riverside Sonoran (Colorado) Desert, NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  RSA543855  Nemacladus pinnatifidus Steve Boyd, Orlando Mistretta 1991-5-22 6310 A Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA0126631  Nemacladus ramosissimus Duncan S. Bell 2016-3-4 8815 Riverside Orocopia Mountains; northeast section of the range, in the hills to the west of Red Cloud Wash. 487 Comment
  RSA500212  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3531 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR25922  Nemacladus ramosissimus John C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  UCR18415  Nemacladus sigmoideus A. C. Sanders 1978-4-30 00254 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  RSA777653  Nemacladus tenuis var. aliformis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 755 B Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  SD233791  Nemacladus tenuis var. aliformis Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 747 A Riverside Colorado Desert; Western Colorado Desert Region: North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  UCR176366  Nemacladus tenuis var. tenuis A. C. Sanders, K. C. Rose 1995-4-27 16731 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  CHSC699  Nemophila menziesii E. Thomas 1940-3-10 Riverside Pleasant Valley near Winchester. Comment
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Mar 20 2011
  CLARK-A1528-548  Nemophila menziesii 1937-6-17 Riverside Box Springs Mountains Comment
  RSA670724  Nemophila menziesii Bonnie C. Templeton, I. W. Clokey 1930-4-9 1022 Riverside North of Banning 457 Comment
  RSA559348  Nicotiana bigelovii var. wallacei Steve D. Boyd 1992-5-15 7394 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA784771  Nicotiana obtusifolia Duncan S. Bell 2012-3-18 3175 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UCSB37378  Nicotiana obtusifolia Roos, John 1966-2-5 Riverside Pushawalla Wash near 1000 Palms, Indio Hills Comment
  RSA0060153  Nicotiana quadrivalvis Scott D. White, Angelia Carey 2004-7-2 10566 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SEINET7063443  Nicotiana quadrivalvis A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  JEPS19053  Notholaena californica subsp. californica Marjorie D. Clary 1932-3-20 Riverside Mission Creek, NW of Garnet 609 Comment
  UC1174407  Nuttallanthus texanus Ira L. Wiggins and W. R. Ernst 1958-5-2 225 Riverside 2 mi n of Temecula (along Highway 395) Comment
  UCR262447  Oenothera californica John F. Green 2015-6-23 615- 01 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  UCR113977  Oenothera elata subsp. hookeri Mitch Provance 2000-6-24 2045 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCD170719  Oenothera rosea A. C. Sanders 1998-4-11 21750 Riverside Riverside, NE edge of UCR campus, east of A and I dorms and south of Watkins Dr., near Parking Services Bldg. 335 Comment
  SBBG3753  Olneya tesota M. A. Piehl 1959-7-26 59460 Riverside US Hwy 60, 70 ca. 42 mi E of Indio Comment
  UCR1033  Olneya tesota Frank Ambrey 1959-4-24 s.n. Riverside Sonoran (Colorado) Desert, CA Hwy 195, 17.7 mi east of Mecca, at east end of Box Canyon, east side of road 305 Comment
  CAS-BOT-BC227272  Oncosiphon piluliferum A. C. Sanders; John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area: Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development 363 Comment
  CAS-BOT-BC478174  Oncosiphon piluliferum R. E. Jr. Riefner 2015-3-24 15 -99 Riverside City of Perris, Goetz Road at Ellis Avenue 447 Comment
  SD185152  Oncosiphon piluliferum A. C. Sanders 2005-3-22 29245 Riverside 3rd St. near Gage Canal and railroad. 267 Comment
  UCR116799  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga region, Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mi. south of Oleander Ave., at S end of Patterson Ave. 457 Comment
  UCR261455  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41442 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
  POM306432  Opuntia chlorotica Scott Haselton 1962-12-28 s.n. Riverside San Jacinto Mountains. Palms to Pines Highway; east side. 1220 Comment
  POM294970  Opuntia echinocarpa David Griffiths 1908-08 s.n. Riverside Banning. Comment
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Mar 21 2011
  SEINET10447238  Opuntia echinocarpa David B. Dunn 1946-3-16 Dunn 2082 Riverside Collected on a dry plateau n of pushawalla palms about a mile. Indio hills. Comment
  RSA355175  Opuntia engelmannii A. C. Sanders 1986-4-21 6467 -B Riverside Bautista Canyon, common on sandy flats and earth dike, twi miles above the dam, SE of Hemet. 610 Comment
  SEINET3412081  Opuntia polyacantha var. erinacea Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28526 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UCD150804  Orcuttia californica Tom Griggs 1976-6-16 s.n. Riverside Riverside County, Santa Rosa Plateau, Mesa de Burro. Elevation estimated with Google Earth. 609 Comment
  UC1534580  Orobanche bulbosa A. C. Sanders 1986-6-1 6544 Riverside along trail toward Spitler Peak from the Hurkey Creek Camp to Bonita Vista Road, San Jacinto Mountains Spitler Peak; San Jacinto Mountains Comment
  JEPS11649  Orobanche cooperi Marjorie D. Clary 1932-3-23 1679 Riverside 8 mi sw of Coachella (Colorado Desert, Santa Rosa Mountains); Colorado Desert, Santa Rosa Mountains 152 Comment
  RSA0042859  Orobanche cooperi Duncan S. Bell, Deidre Conocchioli 2014-3-18 6262 Riverside Orocopia Mountains; southern/central section of range; approximately 0.75 air mile northwest of Gucci Spring. 483 Comment
  RSA516889  Orobanche cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1402 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  SEINET10500315  Orobanche cooperi David B. Dunn Dunn 2045 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  RSA487430  Orthocarpus purpurascens Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  SEINET7048057  Oryzopsis hymenoides Steven R. Hill 2001-4-29 33534 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  CAS-BOT-BC355749  Osmadenia tenella Steve Boyd 1986-5-7 1826 Riverside Alberhill Mountain: Lower slopes of south flank, just E of claymine area Comment
  SD129364  Oxalis californica Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau area: along Los Gatos Road, I(c) mile south of Buena Vista Road (2 miles west of Sandia Canyon and 0.1 mile north of San Diego County line). 366 Comment
  POM19662  Oxytheca trilobata Mary F. Spencer 1923-7-1 s.n. Riverside Tahquitz Ridge, Idyllwild, San Jacinto Mts. 2287 Comment
  RSA653547  Oxytheca trilobata Scott D. White 1999-5-24 7381 (2 repl. total) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR16463  Paeonia californica David M. Peterson 1966-3-6 660306- 2 Riverside Santa Ana Mtns., San Juan Canyon between Lion Canyon and Long Canyon, near the Ortega Highway. 610 Comment
  CAS-BOT-BC327898  Palafoxia arida R. F. Hoover 1966-10-15 10156 Riverside Dead Indian Creek wash, S of Palm Desert Comment
  CAS-BOT-BC327908  Palafoxia arida Carl B. Wolf 1932-4-26 2969 Riverside Colorado Desert. 3 mi E of Mecca on the Blythe Road 0 Comment
  CAS-BOT-BC327911  Palafoxia arida H. M. Hall 1902-4-1 2768 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  CAS-BOT-BC327928  Palafoxia arida Lewis S. Rose 1936-1-1 36003 Riverside Colorado Desert. L.A. Aqueduct Road, 15 mi N of Indio 304 Comment
  CAS-BOT-BC327942  Palafoxia arida D. B. Dunn; H. Brown 1947-1-12 2840 Riverside Pushawalla Canyon, Indio Hills Comment
  SEINET10799064  Palafoxia arida David B. Dunn, A. Folsom 1948-6-17 Dunn 3809 Riverside Near quad 2. At camp in Pushawalla Canyon under palms. Desert wash, Indio Hills, Colorado Desert. Comment
  SD127617  Palafoxia arida var. arida David Charlton 1988-2-18 1123 Riverside South side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash. 305 Comment
  UCSB9919  Palafoxia arida var. arida Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  RSA0063657  Palafoxia arida var. arida Gordon H. True 1938-3-15 976 Riverside East of Indio, near Kane Springs. 3 Comment
  RSA0021419  Palafoxia linearis A. L. Haines 1974-4-9 s.n. Riverside Between Orocopia and Chuckwalla Mts. Comment
  RSA663891  Palafoxia linearis var. linearis C. R. Annable 1995-3-16 2299 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  RSA126976  Panicum capillare H. S. Yates 1937-6-27 6707 Riverside Near Relief Hot Spring. 457 Comment
  CLARK-A1045-123  Parietaria floridana George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  POM2130  Parietaria hespera I. M. Johnston 1917-4-4 991 Riverside Palm Canyon. 457 Comment
  SD126619  Parietaria hespera var. californica Ed LaRue 1989-4-12 Riverside Midway between Mead Valley and March Air Force Base. 518 Comment
  RSA180387  Parietaria hespera var. hespera E. W. Lathrop 1960-6-8 4925 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  RSA621901  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2905 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA668494  Parietaria hespera var. hespera S. Granger 1979-2-13 s.n. Riverside Chuckawalla Mountains. Comment
  RSA778525  Pectis papposa Amber Swanson, Linda Jean Foster 2011-10-8 631 Riverside Sandy flats N off of Blythe Rice Rd. 237 Comment
  RSA778408  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 060 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  POM368804  Pectocarya heterocarpa Robert M. Perkins, H. de Forest 1938-4-18 s.n. Riverside 24 miles W of Indio. Comment
  RSA191740  Pectocarya heterocarpa R. F. Thorne 1963-3-29 32389 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UCR178280B  Pectocarya linearis T. B. Salvato, Tracy Tennant 1998-1 MOR- 802 B Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  UCR91431  Pectocarya linearis Scott D. White 1995-3-30 2644 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  POM368765  Pectocarya linearis subsp. ferocula P. A. Munz, R. D. Harwood 1920-2-28 3237 Riverside 2 mi. southeast of Corona 274 Comment
  RSA752561  Pectocarya linearis subsp. ferocula Justin M. Wood 2009-3-3 327 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  UCR22131A  Pectocarya penicillata Steve Boyd 1980-5-3 171 A Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UC551795  Pectocarya peninsularis F. R. Fosberg 1932-3-13 10624 Riverside Thousand Palms Canyon Comment
  UCR116623  Pectocarya peninsularis A. C. Sanders 2001-3-20 23853 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
  UCR163141  Pectocarya peninsularis A. C. Sanders, G. K. Helmkamp & P. J. MacKay 1995-3-12 16085 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA336044  Pectocarya recurvata R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52025 Riverside Chino Canyon Comment
  RSA496364  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3038 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA524606  Pectocarya recurvata Steve Boyd 1990-3-29 3929 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA800055  Pectocarya recurvata J. Andre 2012-3-19 21316 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  SBBG81514  Pectocarya recurvata S. A. Junak 1983-3-23 1627 Riverside E side of Jefferson Rd opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  RSA160448  Pedicularis densiflora J. D. Olmsted 1959-4-14 374 Riverside 4 mi. SR of Oak Flat near west county line on Santiago Pk. dire rd. near top of pk. west of Santiago pk. SW towards Irvine. 1280 Comment
  UCR243177  Pelargonium capitatum Steve Morgan 2013-4-26 s.n. Riverside Peninsular Range, Riverside; UCR Campus, weed in the botanical garden 396 Comment
  CAS-BOT-BC520447  Pelargonium grossularioides A. C. Sanders 2016-6-26 42518 Riverside Peninsular range: Riverside, UCR Botanic Garden, at W edge of the herb garden 362 Comment
  UCR90968  Pellaea andromedifolia Scott D. White 1996-2-18 3807 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  RSA667002  Pellaea mucronata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24196 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  SEINET7063453  Pellaea mucronata var. californica A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502344mE, 3715130mN. (WGS84/NAD83). 564 Comment
  RSA778141  Pennisetum setaceum Jim Andre 2011-2-2 16214 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  SEINET10822135  Pennisetum setaceum Robert F. Thorne 1995-3-29 Thorne 63028 Riverside Transverse Ranges; San Bernadino Mountains region; White Water Canyon. 600 Comment
  CLARK-A1045-73  Penstemon californicus George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains dry slope beside meadow, just northwest of Kensworthy Forest Station; Idyllwild 15'Q Comment
  UCR24780  Penstemon centranthifolius W. W. Mayhew 1981-4-23 s.n. Riverside Santa Rosa Mtns, Near the intersection of Carrizo Road and Hwy 74 1052 Comment
  CAS-BOT-BC265285  Penstemon clevelandii subsp. connatus Peter H. Raven 1958-5-6 12925 Riverside Along State Highway 74, 15.6 miles SW of Palm Desert Comment
  UCR151032  Penstemon grinnellii Scott D. White 1998-7-31 6931 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  POM122817  Penstemon labrosus Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA221075  Penstemon spectabilis E. W. Lathrop 1966-5-8 6401 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA401805  Penstemon spectabilis E. C. Jaeger 1921-6-24 s.n. Riverside Stratton's Ranch, McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  UCR214300  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38396 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCSB18235  Penstemon spectabilis Matchett, Will 1964-5-16 Riverside 4.7 miles south of Interstate Highway 10 on Banning-Idelwild Road, San Jacinto Mountains 1158 Comment
  POM351576  Pentachaeta aurea Elbert Benjamine 1929-5-18 224 Riverside Mt. San Jacinto. Comment
  RSA802136  Pentachaeta aurea subsp. aurea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5013 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  SDSU17513  Pentagramma triangularis Jerry Jenkins 2001-3-30 2001 -007 Riverside Santa Margarita Ecological Reserve. Foot of Shaded bluff, west side of S.M. River, slightly north of station. UTM zone 6, 481700N, 3699150E. UTM transfered to GIS. Comment
  CAS-BOT-BC77487  Peritoma arborea var. angustata S. B. Parish 1916-5-13 10858 Riverside Cottonwood Spring, Colorado Desert Comment
  UC69020  Perityle emoryi H. M. Hall April 1905 5863 Riverside Canyon Springs Colorado Desert, Canyon Springs Comment
  LA212315  Perityle emoryi A. L. H.; 1973-3-25 s.n. Riverside OROCOPIA MOUNTAINS, 472 Comment
  CSUSB976  Petalonyx thurberi K. A. Lamb 1968-4-21 680421 17 Riverside Approx. 13 miles northeast of Mecca, Highway 195. Comment
  RSA445157  Petalonyx thurberi Gale Sphon 1955-5-21 s.n. Riverside Dead Indian Canyon, near Palm Springs, Riverside County Comment
  RSA795941  Petalonyx thurberi Duncan S. Bell 2009-4-19 279 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR169923  Petalonyx thurberi Scott D. White, Jennifer H. Jones 2005-4-21 10947 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UC578666  Petalonyx thurberi subsp. thurberi H. S. Yates 1937-6-27 6726 Riverside mouth of Deep Canyon Colorado Desert, Thermal Quad., Deep Canyon 304 Comment
  CLARK-A1528-1203  Petunia parviflora John C. Roos 1937-6-7 514 Riverside Comment
  RSA653584  Petunia parviflora A. C. Sanders, David E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23174 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  JOTR29450  Peucephyllum schottii La Doux, Tasha, Mike Bell 2006-3-8 1348 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  POM3797  Phacelia ambigua Louis Greata 1905-04 s.n. Riverside Coachella Colorado Desert. Comment
  RSA426004  Phacelia ambigua N. C. Cooper 1949-4-8 3259 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  RSA699141  Phacelia ambigua J. R. Bruff 1927-3-13 s.n. Riverside Edom Comment
  CHSC707  Phacelia campanularia F. Hughes 1935-4-16 Riverside East of Indio, Colorado Desert. 30 Comment
  UCD120283  Phacelia campanularia Evert I. Schlinger 1952-3-28 29 Riverside Whitewater. 152 Comment
  UCR178529  Phacelia campanularia R. G. Swinney 1967-2-12 0029 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCR444  Phacelia campanularia B. A. Carlson 1978-3-18 s.n. Riverside Sonoran (Colorado) Desert, west of White Water Comment
  JEPS24831  Phacelia campanularia subsp. campanularia Peter M. Ray 1949-3-12 1352 Riverside 2 mi w of Whitewater (n side of Coachella Valley); Coachella Valley 457 Comment
  JOTR34190  Phacelia campanularia subsp. campanularia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2984 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA771630  Phacelia campanularia subsp. campanularia Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4992 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  RSA776235  Phacelia campanularia subsp. campanularia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 869 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR18165  Phacelia campanularia subsp. campanularia A. C. Sanders 1978-4-1 00398 Riverside Peninsular Range; Santa Rosa Mountains, east slope of Sugarloaf Mountain 1220 Comment
  RSA0110952  Phacelia campanularia subsp. vasiformis Aaron C. Sedgwick, David Fraker 2012-3-28 37 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  CLARK-A1528-2998  Phacelia crenulata John C. Roos 1949-3-5 4090 Riverside Orocopia Mountains Comment
  SDSU6651  Phacelia crenulata C. V. Morton 1949-3-20 2066 Riverside 16 miles east of Mecca, Riverside Co. 518 Comment
  UCSB46581  Phacelia crenulata var. crenulata Trosino, Jill 1983-3-6 Riverside South side of CA Highway 195, 5.5 miles east of Mecca, Box Canyon Wash 60 Comment
  SD241052  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 8056 Riverside North edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport. 136 Comment
  JOTR34007  Phacelia cryptantha La Doux, Tasha, M. Harding 2010-4-7 2895 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA0119989  Phacelia cryptantha Duncan S. Bell, Thomas Stoughton 2016-4-13 9263 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR114946  Phacelia curvipes G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  RSA426207  Phacelia distans N. C. Cooper 1944-3-25 1016 Riverside Cabazon. 457 Comment
  RSA657229  Phacelia distans J. Mark Porter 2001-4-2 12336 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA772970  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4777 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SBBG11789  Phacelia distans H. and M. Dearing 1937-4-10 1463 Riverside NE of Indio Comment
  UC1719474  Phacelia distans D. Atwood 1993-3-26 17673 Riverside 3 mi N of I-10 along Hwy 62 to Morongo Valley Comment
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Dec 18 2016
  UCR102945  Phacelia distans George K. Helmkamp 1998-4-4 3135 A Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR135995  Phacelia distans Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  POM289797  Phacelia distans Lyman Benson 1933-3-31 4178 Riverside Beginning of Hemet Road, San Jacinto Mt. Colorado Desert. 579 Comment
  RSA604733  Phacelia fremontii L. Harris, L. C. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
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Dec 17 2011
  RSA622  Phacelia imbricata subsp. patula J. T. Howell 1927-8-2 559 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  CAS-BOT-BC133953  Phacelia minor Milo S. Baker 1928-4-4 2815 b Riverside Tahquitz canon near Palm Sps. Comment
  JEPS89046  Phacelia minor Rimo Bacigalupi and L. Heckard, P. C. Hutchison 1962-3-23 8358 Riverside 1.9 mi sw San Bernardino County line (lower end of wash); Morongo Wash 609 Comment
  RSA550042  Phacelia minor Walter Wisura, A. King, L. Newcomb 1992-4-10 4665 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  RSA614537  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity , 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UC916698  Phacelia minor Frank W. Gould 1944-4-4 2212 Riverside on hwy 71 9 mi se Temecula Comment
  UCR4143  Phacelia minor Ronald M. Cope 1965-3-28 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, small canyon on west side of Canyon Crest Drive, about 2 mi south of Fire Prevention Lab 274 Comment
  RSA0121043  Phacelia pedicellata Duncan S. Bell, LeRoy Gross 2016-3-29 9124 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UCR181345  Phacelia ramosissima Mitch Provance 2003-7-7 6527 Riverside San Bernardino Valley, S of the site of the historic town of Declezville, in an unincorporated part of Riverside Co. just south of Fontana (in the Southridge area), along the NW slopes of the Jurupa Mountains, c. 0.3 miles ENE of peak 1437 317 Comment
  LA205628  Phacelia ramosissima Elizabeth McClintock; 1936-7-19 s.n. Riverside SAN JACINTO MOUNTAINS, Idyllwild. Comment
  SEINET7063446  Phacelia suaveolens A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  UCD120719  Phacelia tanacetifolia C. L. Hitchcock 1966-3-15 24147 Riverside 1 mi. e. of Glen Ivy Hot Springs. Comment
  SEINET954243  Phalaris aquatica Mitch Provance, Brett Provance 2005-1 5700 Riverside San Bernardino Valley; Riverside (Arlington Heights area), SE corner of Cleveland Ave. and Irvine St. (inc. about 50 yards E on Cleveland). 277 Comment
  RSA443396  Phalaris aquatica J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA71998  Phlox austromontana F. W. Peirson 1922-5-20 908 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  SD119889  Phlox austromontana Louis B. Ziegler 1967-5-30 136 Riverside Hemet Valley, San Jacinto Mountains 1372 Comment
  UC23902  Phlox austromontana H. M. Hall May 1899 1168 Riverside Coyote Canyon San Jacinto Mts., El Toro Mt. 1645 Comment
  RSA784340  Pholistoma membranaceum J. D. Olmsted 1958-3-29 73 Riverside 3 miles N of Cottonwood Springs, which is 8 miles N of the southern entrance of Joshua Tree National Monument with interior drainage to Pinto Basin and just off Cottonwood Pass Road. 991 Comment
  UCR167302  Pholistoma membranaceum Scott D. White 2005-3-29 10829 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
  UCR41366  Pholistoma membranaceum N. M. Fellows 1985-3-3 87 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
  RSA420753  Phoradendron densum E. Crow 1928-11-12 46 Riverside Morongo Valley, Colorado Desert. Comment
  LA209888  Phoradendron leucarpum subsp. tomentosum Norman C. Cooper; 1944-7-16 1386 Riverside San Jacinto Mountains, Pine Cove Comment
  RSA748157  Phoradendron libocedri K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 17 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 miles S on Hwy 243 (off I-10). 1632 Comment
  POM2144  Phoradendron macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River, NW of Corona. 183 Comment
  CAS-BOT-BC141177  Phoradendron serotinum subsp. macrophyllum Scott D. White 1996-4-14 3916 Riverside E of Hemet: San Jacinto River wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  JEPS8984  Physalis crassifolia John Thomas Howell 1928-1-29 3297 Riverside Painted Canyon; Colorado Desert Comment
  PASA2143  Physalis crassifolia F. Brubaker, M. Stason 1928-3-3 Riverside Hidden Springs Comment
  UC68755  Physalis crassifolia H. M. Hall Apr 1905 5780 Riverside 8 mi w Coachella; Colorado Desert 30 Comment
  UCSB6879  Physalis crassifolia Graney, Don 1953-3-21 Riverside 11 miles east of Indio; Colorado Desert Comment
  CAS-BOT-BC60805  Physaria tenella H. M. Hall 1905-4-24 5882 Riverside Colorado Desert. Salvation Springs. Comment
  UC1265379  Pilularia americana Robert F. Thorne and Earl Lathrop 1969-5-12 37919 Riverside s end Mesa de Colorado (Rancho California); Santa Rosa Plateau 624 Comment
  UC1536020  Pilularia americana Robert F. Thorne and Earl Lathrop 1975-5-20 45544 Riverside Rancho California Mesa de Burro; Santa Rosa Plateau 609 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
  RSA384372  Pinus monophylla Samuel R. Tyson 1940-4-28 s.n. Riverside San Jacinto Mts. near Santa Rosa Mt. Desert slope of mountain. Comment
  CAS-BOT-BC72839  Pinus quadrifolia J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  CAS-BOT-BC79089  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside near Santa Rosa, Santa Rosa Mountains 1676 Comment
  RSA450184  Pinus quadrifolia J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  SJSU1297  Pinus quadrifolia M. L. Seibert 1952-9-6 Riverside near State Hwy 74 c. 12 mi E of Anza in Santa Rosa Indian Reservation Comment
  RSA619552  Piperia cooperi Darin L. Banks 1997-5-5 2000 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  SBBG120130  Plagiobothrys acanthocarpus A. C. Sanders with K. Volansky 2005-3-17 29201 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR155155  Plagiobothrys acanthocarpus A. C. Sanders, Kelly Volansky 2005-3-17 29201 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR172732  Plagiobothrys acanthocarpus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along Benton Road, between San Diego Aqueduct right of way(Leon Road) and Hwy 79 415 Comment
  UCR127549  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2003-5-21 26804 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR226082  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-4-1 38951 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  JEPS29299  Plagiobothrys collinus var. californicus Rimo Bacigalupi and L. Heckard 1962-3-25 8394 Riverside ca. 5 mi. s.e. Corona (just n. of Bedford Canyon, e. base Santa Ana Mts.1000 ft); Santa Ana Mts. Comment
  RSA689516  Plagiobothrys collinus var. californicus Scott D. White, Michael Honer 2003-4-2 8902 Riverside Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  RSA715307  Plagiobothrys collinus var. californicus John Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks. N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W. 366 Comment
  UCR239801  Plagiobothrys collinus var. californicus O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 424 Comment
  POM9561  Plagiobothrys collinus var. californicus I. M. Munz, Harwood 1920-2-28 3234 Riverside 2 mi SE of Corona 274 Comment
  UCR228879  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-6 38996 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
  UCR92102  Plagiobothrys collinus var. fulvescens D. L. Banks, Steve Boyd 1995-6-2 0567 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside County boundary, c. 1/4 mi south of the clay grasslands in S32 890 Comment
  RSA763418  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2009-5-21 12875 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR58494  Plagiobothrys fulvus var. campestris Jeri Hirshberg 1989-4-4 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, and SW of Mesa de Burro 610 Comment
  POM146287  Plagiobothrys leptocladus J. B. Feudge 1927-5-19 1751 Riverside Perris 396 Comment
  SBBG104102  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside western edge of Hemet, along S side of Devonshire Ave, between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (Hwy 74) 460 Comment
  UC473483  Plagiobothrys leptocladus John Thomas Howell 1930-5-10 4776 Riverside March Field Comment
  UCR182429  Plagiobothrys leptocladus Mitch Provance 2005-5-17 6593 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
  UCR85638  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UC494752  Plagiobothrys nothofulvus Philip A. Munz 1932-3-24 12013 Riverside Corona 365 Comment
  UCR155053  Plagiobothrys undulatus Jason L. Hlebakos 2005-5-18 700 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  UCR162939  Plantago elongata Fred M. Roberts, D. E. Bramlet 2005-4-1 6148 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR280604  Plantago elongata R. E. Riefner Jr. 2017-4-2 17- 144 Riverside city of Hemet, west Hemet, south of west Florida Ave. (SR74), southwest c. 0.35 mi from Lyn Ave. and California Ave. 482 Comment
  RSA614470  Plantago erecta D. L. Banks 1997-4-5 1705 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  RSA615041  Plantago erecta A. C. Sanders 1997-3-1 19740 Riverside Riverside, box Springs Mtns, S end of the range along Gernert road (dirt), in valley draining to Box Spring Canyon 457 Comment
  RSA596529  Plantago ovata var. fastigiata D. L. Banks 1996-7-16 1130 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road)., Along a disturbed hillside and adjacent roadside 427 Comment
  RSA722418  Platanthera sparsiflora J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mt. 2744 Comment
  RSA596160  Platanus racemosa D. L. Banks 1996-11-7 1213 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA66241  Platystemon californicus F. W. Peirson 1922-4-29 2935 Riverside South of Lake Elsinore. 381 Comment
  UCD96039  Platystemon californicus C. L. Hitchcock 1962-3-16 22163 Riverside 5 miles SE of Elsinore. Comment
  UCR126439  Platystemon californicus T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 66 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  POM68795  Plectritis ciliosa subsp. insignis Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto. Comment
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Dec 9 2010
  CDA32628  Pleuraphis rigida G. D. Barbe, J. L. Johnson 1982-11-2 4016 Riverside 1.3 miles south of Wiley s Well, 0.7 mile north of Coon Hollow Campground. 0 Comment
  JOTR28940  Pleuraphis rigida La Doux, Tasha 2005-3-30 1176 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA779620  Pleuraphis rigida Duncan S. Bell 2010-4-1 658 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
  JOTR35069  Pleurocoronis pluriseta La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3521 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  SEINET6186104  Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-1 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR279521  Pleurocoronis pluriseta A. C. Sanders, Jim Malusa 2017-3-27 43121 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR60788  Pleurocoronis pluriseta Steve Boyd, O. Mistretta 1986-3-13 1482 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  CAS-BOT-BC356103  Pluchea odorata Mrs. E. C. Van Dyke 1928-5-26 s.n. Riverside Coachella Comment
  RSA164765  Pluchea sericea Brian C. Miller 1963-6-1 s.n. Riverside 1000 Palms Oasis 30 Comment
  RSA696921  Pluchea sericea J. R. Bruff 1927-10-8 1 -E Riverside Thousand Palms Comment
  UCR269108  Pluchea sericea Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4427 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  RSA614130  Poa annua D. L. Banks 1997-2-23 1297 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  CAS-BOT-BC255667  Poa bigelovii F. W. Peirson 1921-3-22 2392 Riverside Murray Canyon, Palm Springs Region, Colorado Desert 457 Comment
  UCR133112  Poa pratensis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  CLARK-A1528-4838  Poa scabrella John C. Roos 1942-5-1 1158 Riverside Dry Morongo Canyon 609 Comment
  RSA689549  Poa secunda Scott D. White, Michael Honer 2003-4-25 9122 Riverside Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  GMDRC2192  Poa secunda subsp. juncifolia J. Andre 2006-4-6 7749 Riverside Little San Bernardino Mountains: Joshua Tree National Park: approx. 50 meters N. of Keys View parking area. Elev. 5094 ft. 1553 Comment
  CAS-BOT-BC243000  Poa secunda subsp. secunda H. M. Hall 1901-6-1 2064 Riverside San Jacinto Mountains 1615 Comment
  RSA772838  Poa secunda subsp. secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4726 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65120 604 Comment
  POM162739  Polygala acanthoclada E. C. Jaeger 1928-01 s.n. Riverside Eagle Mountains: Cottonwood Spring Comment
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Oct 9 2010
  SBBG61495  Polygonum douglasii R. Hoffmann 1929-9-5 Riverside Tahquitz Valley Comment
  UCR199694  Polygonum punctatum Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10689 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UC39738  Polypogon interruptus E. L. Koethen 1897-8-12 4 Riverside Riverside Comment
  SDSU13953  Polypogon maritimus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2140 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR114316  Polypogon monspeliensis Mitch Provance 1998-3-21 271 A Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  IRVC172  Polystichum imbricans subsp. curtum Carol Hooven 1965-4-24 HS 559 Riverside Highway 79. Comment
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Nov 30 2014
  IRVC174  Polystichum imbricans subsp. curtum Mike McCartin 1965-4-24 HS 551 Riverside highway 74; Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  UCR240646  Polystichum munitum Tracy Tennant, Mitch Provance 1998-6-16 MOR- 416 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  CAS-BOT-BC102594  Populus fremontii Herman Knoche 1919-6-2 Series A, No. 644 Riverside Palm Springs Comment
  RSA494350  Porophyllum gracile Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  UCR41826  Porophyllum gracile A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6106 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA793473  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  CAS-BOT-BC452154  Potamogeton diversifolius H. M. Hall 1901-7-1 2490 Riverside San Jacinto Mountains. Shores of Lake Surprise 2499 Comment
  RSA180483  Potamogeton foliosus E. W. Lathrop 1960-6-9 4971 Riverside 14 miles west of Murrieta. Comment
  UCR47636  Potamogeton pectinatus Dave Thomason 1987-1 s.n. Riverside Peninsular Range; San Jacinto Mtns., Lake Hemet 1311 Comment
  SD233355  Potentilla glandulosa subsp. glandulosa R. F. Thorne, E. W. Lathrop 1977-5-18 49765 Riverside Santa Ana Mountains: Camp Potrero [near junction of Tenaja Truck Trail and Ortega Highway (74)]. Comment
  RSA499237  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-7-9 s.n. Riverside S. side Strawberry Valley. 1585 Comment
  RSA776291  Prenanthella exigua Duncan S. Bell, Amanda Turek 2010-4-10 832 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UC170162  Proboscidea althaeifolia E. E. Schellenger 1894-8-20 110 Riverside Paloverde Colorado Desert Comment
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Jan 23 2012
  UCR35825  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Perris Basin, Mead Valley, 4.5 mi. NW of Perris, along Cajalco Road, 0.2 mi. east of intersection with Clark Street (= Old Elsinore Road) Comment
  UCR179752  Prunus cerasifera Mitch Provance 1996-3-5 1076 Riverside Santa Ana River Wash, Anza Narrows Park 232 Comment
  SBBG3050  Prunus fasciculata var. fasciculata H. and M. Dearing 1949-4-17 6755 Riverside Morongo Cyn Comment
  CAS-BOT-BC151114  Prunus fremontii Walter Knight; Irja Knight; Fred Klein 1969-3-31 2651 Riverside Ca. .2 mi. up Carrizo Rd. from Pines to Palms Hwy. 1097 Comment
  RSA453237  Prunus fremontii F. W. Peirson 1922-12-7 s.n. Riverside Andreas Canyon. 610 Comment
  UCR214681  Prunus ilicifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37672 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 366 Comment
  LA208104  Prunus ilicifolia subsp. ilicifolia W. E. Pequegnat; 1939-4-8 32 Riverside Santa Ana Mountains Comment
  SDSU9146  Prunus ilicifolia subsp. ilicifolia Charles F. Phleger 1962-12-5 Riverside Collected on Hwy 74, 6 miles E of Hemet. Comment
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Jul 8 2009
  UC74033  Psathyrotes ramosissima M. F. Gilman 1904-1 46 Riverside Banning Comment
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Mar 13 2011
  CHSC26039  Pseudognaphalium thermale Wesley Griesel 1962-9-18 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  CAS-BOT-BC361788  Psilocarphus brevissimus var. brevissimus D. E. Bramlet 1991-5-7 2123 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  CAS-BOT-BC353639  Psorothamnus emoryi Mrs. Robert Campbell 1921-11-26 8 Riverside Palm Canyon Comment
  UCR165295  Psorothamnus emoryi John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  SFV17324  Psorothamnus fremontii J. N. Hogue, J. D. Dilley (269) 1998-4-23 108 .7 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  RSA404257  Psorothamnus schottii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  SDSU7847  Psorothamnus schottii Thomas A. Zink 1971-4-1 Riverside Alongside Berdoo Canyon Rd. 8 miles north of Dillon Road. 549 Comment
  UCR279509  Psorothamnus schottii A. C. Sanders, Jim Malusa 2017-3-27 43116 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  CAS-BOT-BC340955  Psorothamnus spinosus Marcus E. Jones 1926-6-8 s.n. Riverside Palm Spring Comment
  POM1899  Psorothamnus spinosus J. S. Clease 1916-03 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  UC472709  Psorothamnus spinosus M. F. Spencer 1918-3-27 Riverside Palm Springs , Palm Springs (Colorado Desert) 100 Comment
  UCR125275  Pulicaria paludosa A. C. Sanders 2002-11-21 25640 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA781946  Punica granatum A. C. Sanders 1997-5-1 20615 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  RSA593503  Purshia stansburyana Steve D. Boyd, Lorrae Fuentes 1996-5-2 8764 Riverside Santa Ana Mountains, along the Main Divide Road ca. 3.5 miles northwest of Morrell Potrero. Comment
  JOTR32641  Purshia tridentata var. glandulosa La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2562 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  RSA0086467  Quercus Mitch Provance 2012-4-27 412 -18 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-1- and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR180579  Quercus agrifolia Scott D. White, Angelia Carey 2004-4-5 10014 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA588676  Quercus agrifolia var. agrifolia D. L. Banks, Steve D. Boyd 1995-10-26 833 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary. 713 Comment
  CAS-BOT-BC520374  Quercus berberidifolia Jeremiah George 2012-8-8 080812 -01 Riverside Moreno Badlands: San Timoteo Canyon, S of El Casco So. Calif. Edison substation, W side of San Timoteo Creek, W of dirt SCE line across road 655 Comment
  SD152835  Quercus berberidifolia Steve Boyd, Tim Ross 1992-5-5 7218 Riverside Southern Santa Ana Mountains, San Mareo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero, in chaparral & oak woodland borders 730 Comment
  UCR247908  Quercus berberidifolia Fred M. Roberts 2013-6-7 7783 Riverside Peninsular Ranges, SANTA ANA MTNS.: Tributary to Upper San Juan Canyon along Chiquito Basin Trail, 1.3 km NNW Upper San Juan Campground. 524 Comment
  RSA476548  Quercus chrysolepis E. Fitzgerald 1929-05 s.n. Riverside Idylwild, San Jacinto Mts. Comment
  UC455263  Quercus chrysolepis I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 1828 Comment
  UC496520  Quercus cornelius-mulleri Philip A. Munz 1932-10-16 12845 Riverside road from Deep Canyon to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  IRVC14033  Quercus dumosa L. T. McHarque 1965-8-24 s.n. Riverside Comment
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Jun 23 2013
  CAS-BOT-BC105318  Quercus kelloggii Carl Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  CAS-BOT-BC105321  Quercus kelloggii Carl Epling 1931-10-4 245 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  CAS-BOT-BC104315  Quercus palmeri A. C. Sanders 1995-11-26 17925 Riverside Elder Creek drainage, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Elder Crk rd, 0.3 mi W of Bonny Lane, rural low density development 1264 Comment
  UCD47074  Quercus palmeri Rudolph Fischer 1965-10-8 3 Riverside East foothills of Thomas Mountain, Santa Rosa Range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  POM183874  Quercus turbinella P. A. Munz 1932-10-16 12845 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  RSA0127037  Quercus wislizeni Tom Scott 2011-04 2011 -571.1 Riverside San Bernadino Mtns: south side of mountains in Bannin Canyon on USFS road 2S01, c. 6.5 miles up canyon. 1492 Comment
  SD211611  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2006-10-11 06 530 Riverside East of Rainbow Canyon, North of Rainbow Heights, Termite's Hike Trail 594 Comment
  UCR113533  Rafinesquia californica Mitch Provance 1998-6-6 694 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  JOTR34052  Rafinesquia neomexicana La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2952 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  POM15166  Rafinesquia neomexicana Mary F. Spencer 1922-3-23 1127 Riverside Painted Canyon, Mecca, Colorado Desert -30 Comment
  RSA357783  Rafinesquia neomexicana R. F. Thorne, M. Z. Thorne 1973-3-30 42670 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCD135347  Rafinesquia neomexicana LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1413 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  CAS-BOT-BC379419  Ranunculus alismifolius var. alismellus H. M. Hall 1901-7-1 2405 Riverside San Jacinto Mountains, in meadows or along creeks of Tamarack Valley 2804 Comment
  CAS-BOT-BC378495  Ranunculus californicus var. californicus Edmund C. Jaeger 1925-3-21 s.n. Riverside Temecula, northwest of village Comment
  RSA482865  Raphanus sativus N. C. Cooper 1944-5-21 1272 Riverside San Jacinto Mountains, West side 915 Comment
  UCR101452  Rhamnus californica A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22218 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR140660  Rhamnus californica subsp. tomentella Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 86 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  RSA314404  Rhamnus ilicifolia Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55387 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA503418  Rhamnus ilicifolia J. D. Olmsted 1962-5-10 3627 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  POM9391  Rhamnus ilicifolia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview. Comment
  UCR94963  Rhamnus tomentella subsp. tomentella Scott D. White 1996-8-16 4485 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  UC314558  Rhododendron occidentale Marcus E. Jones, A. M. 1926-6-20 Riverside 20 mi n of Idyllwild Comment
  JOTR32193  Rhus aromatica Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  UCR114806  Rhus aromatica Mitch Provance 1998-2-6 84 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  RSA561081  Rhus integrifolia Steve Boyd, Orlando Mistretta 1992-4-22 7001 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA386392  Rhus ovata D. A. Young 1969-3-21 P- 364 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  UC472805  Rhus ovata Mary F. Spencer Aug 1925 287 Riverside Idyllwild; San Jacinto Mountains 1524 Comment
  UCD116938  Rhus ovata T. B. Salvato; Kent Beaman 2005-5-16 880 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  SD212450  Rhus trilobata T. B. Salvato 2004-5-27 593 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UC1130542  Rhus trilobata A. Lewis May 1934 443 Riverside 1 mi e Ortega Highway; Cleveland National Forest 944 Comment
  RSA561108  Rhus trilobata var. anisophylla Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-12 7325 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
  POM243649  Rhus trilobata var. pilosissima E. C. Jaeger 1938-5-20 s.n. Riverside Keye s Ranch. Joshua Tree Natl. Monument. 1311 Comment
  SD135247  Ribes cereum var. cereum Craig Reiser, Dylan Hannon 1993-5-30 Riverside Santa Rosa Peak towards saddle with Toro Peak Comment
  UCR24929  Ribes cereum var. cereum A. C. Sanders 1980-8-23 1754 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR138809  Ribes indecorum D. L. Banks, J. Moreno 1997-2-5 1253 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
  UCR158448  Ribes indecorum 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
  SEINET13942526 Image available Ribes indecorum S. Lambert 1981-1 1919 Riverside San Bernadino National Forest, hwy 74, 6.0 miles W Mountain Center, 3000 feet elevation, streamside 914 Comment
  SD148073  Ribes malvaceum var. malvaceum A. C. Sanders, Kent Beaman 2002-5-10 25054 Riverside Santa Rosa Plateau; hills west of the head of De Luz Creek, 0.4 mile south of Tenaja Road. 671 Comment
  RSA1179  Ribes malvaceum var. viridifolium B. D. Stark 1930-2-21 1649 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA0022089  Ribes montigenum M. B. Dunkle 1933-7-23 3761 Riverside San Jacinto Peak. 3302 Comment
  RSA0022093  Ribes montigenum E. C. Jaeger 1921-06 s.n. Riverside Round Valley, San Jacinto Mtns. 2744 Comment
  SD2150  Ribes quercetorum Edmund Jaeger 1925-12-23 Riverside Aguanga 1067 Comment
  UCR189813  Romneya coulteri Andrea Salzman 2006-6-22 154 Riverside Peninsular Ranges, Santa Ana Mountains, Indian Truck Trail, 0.5 mi North of Indian Canyon 797 Comment
  UCR188895  Rorippa palustris subsp. occidentalis Fred M. Roberts, S. Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR199648  Rorippa palustris subsp. occidentalis Justin M. Wood 2008-7-16 38 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  RSA449716  Rosa californica M. B. Dunkle 1933-7-20 3705 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA160533  Rubus parviflorus John Olmsted 1958-6-15 168 Riverside Dark Canyon at intersection of N Fork San Jacinto R with Idyllwild Banning Road, San Jacinto Mtns. 1509 Comment
  SD70908  Rumex conglomeratus Helen V. Witham 1969-7-2 183 Riverside De Luz Creek crossing, 4 mi. N. of De Luz. One plant seen, in crack in boulder, impossible to get root (stout taproot ?). 249 Comment
  UCR213876  Rumex conglomeratus Scott D. White, Justin M. Wood 2008-7-9 12415 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR25143  Rumex conglomeratus O. F. Clarke 1972-5-28 s.n. Riverside Residence of O.F. Clarke, 1012 Spruce St., Riverside 305 Comment
  UCR20969  Rumex dentatus A. C. Sanders, Steve Boyd 1980-5-19 1474 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR89644  Rumex obtusifolius Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR194222  Rumex salicifolius Scott D. White, Angelia Carey 2004-6-4 10480 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR113986  Rumex salicifolius var. salicifolius Mitch Provance, A. C. Sanders 2000-7-4 2109 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  HSC27202  Salazaria mexicana J. P. Smith, J. O. Sawyer 1973-6-10 6889 Riverside Joshua Tree National Monument. Comment
  SDSU7072  Salazaria mexicana J. Godsil 1953-3-20 575 Riverside hwy to Twenty- nine Palms; Joshua National Monument. 792 Comment
  UC604956  Salazaria mexicana Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon Comment
  CAS-BOT-BC126736  Salix exigua A. C. Sanders 2011-3-29 38858 Riverside Peninsular Range; Perris-Aguanga Basin Region: between Sun City and Perris, San Jacinto River at powerline corridor crossing west of Goetz Rd., above Railroad Canyon Lake 428 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
  UCR97690  Salix exigua A. C. Sanders, G. Helmkamp 1997-3-15 19967 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  RSA92609  Salix exigua F. W. Peirson 1920-6-22 4282 Riverside Santa Ana River. 152 Comment
  POM319096  Salix gooddingii Patricia Wilder 1971-11-11 5295 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  RSA0121432  Salix gooddingii Duncan S. Bell, LeRoy Gross 2016-3-30 9141 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SEINET10626236  Salix gooddingii Nye Leith, Greg Gust 2005-3-11 Nye 57 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  UC482397  Salix gooddingii unknown 1932-6-5 925 Riverside Eagle Canyon; Colorado Desert, Santa Rosa Mts., Eagle Canyon Comment
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Mar 11 2011
  RSA0030840  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside Colorado River, about 800 m. from State Inspection Station, on way to Blythe Bridge. 90 Comment
  UCR270563  Salix laevigata John F. Emmel 1998-5-2 1542 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.4-0.5 road mile SE of national forest boundary 723 Comment
  RSA487457  Salix lasiolepis Bill Wagner 1988-3-7 s.n. Riverside Woodcrest area, ca. 6 miles SW of Riverside. NE corner of Hibiscus and Dauchy Streets. 479 Comment
  UC914203  Salix lasiolepis Charles B. Fiker 1946-2-19 3337 Riverside 35 mi. air-line from coast and near Santa Rosa Summit 1341 Comment
  POM177764  Salix melanopsis Marcus E. Jones 1930-3-15 26531 Riverside Eagle Mountains. Comment
  RSA413244  Salsola tragus James C. Dice, J. DeWald 1987-9-28 730 Riverside North side of Temecula Gorde, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. 330 Comment
  UCSB1715  Salsola tragus Ballard 1954-10-30 Riverside 3 mi. south of Chino's Men Reform Institute 198 Comment
  HSC86129  Saltugilia grinnellii subsp. grinnellii M. H. Frost, Jr. 1954-6-6 13 Riverside San Jacinto Mtns. 1524 Comment
  CLARK-A1528-3104  Salvia apiana John C. Roos 1948-5-8 3823 Riverside Whitewater Comment
  RSA697876  Salvia carduacea Unspecified s.n. Riverside Elsinore. Comment
  RSA651679  Salvia columbariae J. Bruce Smiley 1940-3-16 s.n. Riverside Whitewater. 762 Comment
  RSA651680  Salvia columbariae G. Foster 1961-5-12 s.n. Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  UC1287103  Salvia columbariae C. L. Hitchcock 1966-3-15 24155 Riverside 1 mi e Glen Ivy Hot Springs Comment
  UC883893  Salvia columbariae I. W. Clokey 1935-4-18 6864 Riverside Gavilan Peak 600 Comment
  UCD125515  Salvia columbariae C. L. Hitchcock; C. V. Muhlick 1962-3-16 22156 Riverside Temescal Canyon, ca. 12 miles southeast of Corona. Comment
  UCR16803  Salvia dorrii subsp. dorrii Leland E. Francois 1966-4-23 42366- 4 Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], south edge of Ryan Mountain Campground 1300 Comment
  LA86110  Salvia eremostachya W. A. Jr. Emboden; 1962-5-20 2062 Riverside Pinion Flats, Palms to Pines Highway Comment
  RSA6622  Salvia eremostachya B. D. Stark 1933-5-13 4986 Riverside 8 miles up on Palms to Pines road, San Jacinto Mtns. Comment
  UCR38253  Salvia eremostachya J. M. Stewart 1985-3-16 8506 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  SFV4251B  Salvia greatae W. A. Emboden, Jr. May 1963 s. n. Riverside Colorado Desert Between Chocolate Mountains and Orocopia Mountains at base of outwash plains. 245 Comment
  UCR260575  Salvia leucophylla A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41546 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south of Indian Truck Trail along DePalma Road, S of I-15 near drainage structure 365 Comment
  CHSC89882  Salvia mellifera L. P. Janeway 2004-5-8 8077 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon; along Wildomar Road 0.8 km east of its crossing of Los Alamos Creek. 488 Comment
  UCR90981  Salvia mellifera Scott D. White 1996-3-16 3823 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  CAS-BOT-BC224849  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UCLA69850  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mts. Comment
  RSA434171  Salvia pachyphylla subsp. pachyphylla Albert J. Perkins 1915-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Peak. Comment
  SD95195  Salvia vaseyi Anne Harrison 1962-4-17 30 Riverside Highway 74, Santa Rosa Mountains, overlooking Deep Canyon and Palm Desert, rocky ledge on east side of road 914 Comment
  CLARK-A1528-381  Sambucus mexicana C. M. Flanagan 1973-5-31 OO 635 Riverside Morongo Indian Reservation 853 Comment
  UCR92657  Sanicula arguta Scott D. White 1996-3-31 3867 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
  SD232163  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside Temescal Canyon: Just west of I-15 freeway and northeast of Lawson Dr. 305 Comment
  RSA527854  Sanicula crassicaulis Scott D. White 1991-5-13 91 -79 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  POM305707  Sanicula tuberosa Henry J. Ramsey 1939-4-22 I- 32 Riverside Hemet-Anza, Bautista Creek Road. Comment
  UCR35277  Saxifraga californica L. B. Ziegler 1974-4-2 523 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  UCR232771  Schinus molle William Schlegel, Andrew Trouette 2008-10-10 025 Riverside Peninsular Range; San Jacinto Mtns., Snow Creek Cabin Parcel 570 Comment
  SD247292  Schismus arabicus T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7298 Riverside Sonoran (Colorado) Desert: south of Hwy-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  UCR214430  Schismus arabicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37495 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
  SD144108  Schismus barbatus A. C. Sanders 1997-3-1 19705 Riverside Box Springs Mtns., Coyote Hill (Bench Mark Versity, 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR263482  Schismus barbatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41445 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
  UCR56086  Schismus barbatus J. A. Adams 1966-3-12 440 Riverside Peninsular Range, Hwy 74, 5 mi east of Elsinore, toward Perris 503 Comment
  UCR13394  Schoenoplectus acutus var. occidentalis William A. Hunt 1972-5-19 720519- 01 Riverside Upper Santa Ana River Basin, Riverside, behind UCR Religious Center, Watkins House, past canal 305 Comment
  CAS-BOT-BC111548  Schoenoplectus americanus R. D. Alderson 1895-3-31 956 Riverside Palmetto Springs, Colorado Desert 274 Comment
  UCR93042  Schoenoplectus americanus Scott D. White, S. Ogg 1994-10-17 2471 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  POM1421  Scirpus acutus var. occidentalis D. L. Crawford, I. M. Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona Comment
  CAS-BOT-BC111017  Scirpus microcarpus I. Johnston 1916-4-21 12 Riverside Between Upland & Cucamonga (Red Hill) Comment
  POM49847  Scirpus microcarpus Phillip A. Munz, I. M. Johnston 1924-7-29 8885 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA376136  Scirpus microcarpus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61283 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  CAS-BOT-BC243508  Scribneria bolanderi Steve Boyd 1995-5-13 8510 Riverside West of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road Grade, Santa Ana Mountains 1005 Comment
  SEINET10602603  Scribneria bolanderi Andrew C. Sanders, H. Spilman 1993-4-24 Sanders 13775 Riverside San Bernardino Mountains; Summit Valley on Hwy 173, 5.4 miles NE of The Hwy 138 junction & 1 mile S of the Grass Valley Cr. Crossing. Gentle slopes of decomposed granite soil on low hills. Chaparral with Adenostoma fascic.,, Cercocarpus betul.Haplopapus linearif., Juniperus calif, Ceanothus greg., Eriodictyon trich.Eriogonum fascic.etc. above a creek with willows and a few sycamores. Comment
  UCD124838  Scrophularia californica J. S. Ross; T. Tennant, G. White 1998-5-21 MOR 213 Riverside San Bernardino Mountains: Morongo Indian Reservation, upper Hathaway Canyon, ca. 1.25 miles north of the junction of the lower and upper canyons. Comment
  UCR22036  Scrophularia californica Steve Boyd 1980-5-11 251 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR91480  Scrophularia californica Scott D. White 1995-3-30 2663 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  SD234902  Scutellaria bolanderi subsp. austromontana A. C. Sanders, T. Thomas, T. B. Salvato 2008-6-25 35626 Riverside Peninsular Range; San Jacinto Mtns.: Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek. 1584 Comment
  UCR193732  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35648 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  RSA160552  Scutellaria siphocampyloides John Olmsted 1959-6-23 660 Riverside Reservoir Hill at Desert Sun School near Idyllwild. 1646 Comment
  POM50385  Selaginella bigelovii W. W. Eggleston 1924-3-10 19534 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  RSA596107  Selaginella bigelovii Darin L. Banks 1996-11-7 1205 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  SEINET10794286  Selaginella bigelovii George Yatskievych, K. G. Preston, Mafham 1981-4-26 Yatskievych 81 -139 Riverside State Hwy 79, ca. 4 miles SE of Bee Canyon. T05S6 R02E S18 - NW4. 640 Comment
  CAS-BOT-BC62088  Selaginella eremophila L. R. Abrams 1926-3-26 11077 Riverside Palm Canyon Comment
  UCR103458  Senecio cineraria Dave Fleitner 1998-9-8 s.n. Riverside Corona, Orange grove on Gilbert Ave. southwest of Ontario Ave. 290 Comment
  UC831930  Senecio flaccidus var. monoensis I. W. Clokey 1935-4-17 6937 Riverside Cottonwood Springs Comment
  UCR244881  Senecio mohavensis Jim Andre 2012-3-19 21389 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR21974  Senecio vulgaris Steve Boyd 1980-5-5 202 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  POM13744  Senecio vulgaris E. C. Jaeger 1921-6-12 1192 Riverside Fairmount Park, Riverside Comment
  SD229142  Senegalia greggii Dick Schwenkmeyer 2013-6-11 920 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  UCR18997  Sesbania herbacea John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  CLARK-A1656-782  Sesuvium verrucosum Theo Glenn 1982-4-18 Riverside Mecca Comment
  RSA487825  Setaria adhaerens A. C. Sanders 1988-11-6 8740 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of it's junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  UCR86197  Setaria adhaerens A. C. Sanders 1995-5-23 17121 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  RSA737213  Setaria parviflora Justin M. Wood 2008-9-30 167 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR4568  Setaria parviflora O. F. Clarke 1959-8-6 590806- 01 Riverside Riverside, residence of O.F.Clarke, 1012 Spruce St. 300 Comment
  SEINET11982177  Sidalcea hickmanii Unknown 1936-1 12817 Riverside Colorado Desert N of Palm Springs Comment
  CAS-BOT-BC434389  Sidotheca trilobata John Thomas Howell 1931-5-30 6614 Riverside Santiago Peak, Santa Ana Mts. Comment
  RSA543888  Silene antirrhina Steve Boyd 1991-5-20 6262 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  RSA585783  Silene antirrhina D. L. Banks, Steve Boyd 1995-5-9 0415 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  UCR107785  Silene antirrhina D. L. Banks 1997-5-5 1964 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  POM248089  Silene conoidea E. Johnson 1939-5-1 s.n. Riverside Near Blythe. Comment
  UCR176892  Silene laciniata Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  POM97126  Silene multinervia P. A. Munz 1925-5-20 9824 Riverside 2 miles west of Dripping Springs. 396 Comment
  CAS-BOT-BC389574  Silene parishii Reid Moran 1968-8-3 15369 Riverside North slope 1 mile west of summit, Santa Rosa Mountain 2150