Search Results — 2000 specimen records retrieved (1888 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG94852  Abies concolor F. C. Vasek 1977-11-25 771125 -6 Riverside Boulder Basin Cmpgrd, just below Black Mtn Look Out Comment
  CAS-BOT-BC229362  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside Six miles south-east of Garnet Station, Coachella Valley, Colorado Desert Comment
  CSUSB578  Abronia villosa Shirley Hill 1963-2-20 630220 3 Riverside Desert wash where houses end on Vista Chino St., Palm Springs, 500 yards up wash. Comment
  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
  UC101376  Abronia villosa D. Cleveland 1887-5-13 740 Riverside Tenecula Comment
Read comments
Mar 27 2011
  UCR250105  Abronia villosa var. aurita A. C. Sanders 2014-4-9 40992 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
  UC165050  Acacia greggii S. B. Parish 1902-6-28 8106 Riverside near Mecca (Colorado Desert, Red Canyon); Colorado Desert, Red Canyon Comment
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Nov 24 2011
  POM29466  Acacia greggii var. arizonica Marcus E. Jones 1906-4-27 s.n Riverside Palm Springs. Comment
  LA26702  Acamptopappus sphaerocephalus William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  LA28475  Acamptopappus sphaerocephalus Tom O'Donnell; 1953-5-24 sn Riverside 11 mi. from Highway 111 to Highway 74 Comment
  SFV5010  Acamptopappus sphaerocephalus F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Old excavated bench, Seven Level Hill about 11 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  UCR260838  Acamptopappus sphaerocephalus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41515 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
  UCR169320  Acer negundo T. B. Salvato, John F. Green 2004-5-27 619 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR34912  Achillea millefolium L. B. Ziegler 1968-6-12 313 Riverside San Jacinto Mtns, Thomas Mtn 1951 Comment
  RSA494351  Achnatherum coronatum 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
  CAS-BOT-BC260327  Achnatherum hymenoides Ivan Johnston 1917-4-4 1098 Riverside Colorado Desert. Whitewater, about station Comment
  SEINET1909738 Image available Achnatherum hymenoides Sarah De Groot, Mark Porter 2006-1 5198 Riverside North foot of San Jacinto Mountains, between Snow Creek and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  JOTR31067  Achnatherum parishii La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2049 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 5: side canyon above Smith Water Canyon on west side of Quail Mountain region Comment
  RSA423484A  Achyronychia cooperi M. B. Dunkle 1935-3-17 4399 Riverside Colorado Desert. 610 Comment
  UCR263652  Achyronychia cooperi David Fraker, Aaron C. Sedgwick 2012-3-22 13 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
  CAS-BOT-BC213473  Acmispon argophyllus var. argophyllus Roxana S. Ferris; Ruth P. Rossbach 1938-5-19 9656 Riverside Desert side of Pinon Belt divide, State Highway #__ Comment
  UCSB38677  Acmispon brachycarpus Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 570 Comment
Read comments
Apr 2 2011
  SBBG3409  Acmispon nevadensis var. nevadensis R. Hoffmann 1929-9-7 Riverside Strawberry Valley Comment
  SD73624  Acmispon rigidus Helen V. Witham 1970-4-29 824 Riverside 22 miles east of Lake Hemet. 1299 Comment
  SBBG101801  Acmispon strigosus S. Boyd, T. Ross, M. Hammitt 1991-5-2 6048 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SEINET5327595  Acmispon strigosus H. M. Hall 1905-4-20 5830 Riverside Colorado Desert, lower Sonoran Zone, Mecca 61 Comment
  UCR104166  Acourtia microcephala Scott D. White 1997-5-25 5246 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  CAS-BOT-BC133136  Adenostoma fasciculatum Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CAS-BOT-BC167003  Adenostoma fasciculatum A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37809 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR158348  Adenostoma fasciculatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30088 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
  UCR174954  Adenostoma fasciculatum Jennifer H. Jones 2006-6-6 383 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  UCR237943  Adenostoma fasciculatum Mark A. Elvin 2004-6-2 3501 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  UCR251946  Adenostoma fasciculatum Harun Bektas 2011-4-26 16 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  RSA0060487  Adenostoma fasciculatum var. fasciculatum J. M. Andre 2012-6-15 30507 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  CAS-BOT-BC140301  Adenostoma sparsifolium Louis C. Wheeler 1931-10-4 175 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  HSC99955  Adenostoma sparsifolium J. P. Smith, & J. O. Sawyer 2011-6-9 13202 Riverside 1470 Comment
  SD84929  Adenostoma sparsifolium Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-20 430 Riverside North side of canyon ca. 350 yds above 1st turnout, east side of Santa Rosa Mt. Rd. south of Hwy 74, Palm Canyon drainage, Santa Rosa Mts. 1524 Comment
  UC12018  Adenostoma sparsifolium H. M. Hall Aug. 1901 2638 Riverside vicinity of Chalk Hill; San Jacinto Mts. 1402 Comment
  SEINET273140 Image available Adiantum jordanii A. C. Sanders 1997-3-26 20103 Riverside Lake Skinner Area; along foot trail at W base of Tucalota Hills UTM 10km cell; MH-9E 1N. Skinner Reservoir 518 Comment
  CAS-BOT-BC15438  Agoseris grandiflora var. grandiflora Mary F. Spencer 1919-6-28 1346 Riverside San Jacinto Mountains 1645 Comment
  LA10204  Agrostis idahoensis F. M. Reed; 1908-7-11 2500 Riverside San Jacinto Mountains, on trail below San Jacinto Peak 2925 Comment
  UCR39540  Agrostis pallens A. C. Sanders 1980-7-22 1727 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR93233  Ailanthus altissima A. C. Sanders 1994-7-27 15157 Riverside Santa Ana River, Colton and Riverside: from the Riverside Avenue (North Main Street) Bridge downstream to just above the Market Street crossing. 246 Comment
  RSA480258  Alhagi maurorum D. O. Clark 1969-7-2 s.n Riverside 2 miles W of Mecca, Coachella Valley. Comment
  JOTR31897  Allionia incarnata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2146 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  RSA784964  Allionia incarnata Duncan S. Bell 2012-3-18 3228 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  JOTR34306  Allionia incarnata var. incarnata Andre, Jim 2012-4-11 20720 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  IRVC12870  Allium denticulatum C. A. Taylor 1966-5-15 66 144 Riverside Pinyon Flats; San Bernardino National Forest; near Hwy 74; ca. 20 yds from the road. San Jacinto Mtns Comment
  JEPS61479  Allium denticulatum Marjorie D. Clary 1932-5-12 1590 Riverside Lost Horse Canyon Colorado Desert, Lost Horse Canyon 1219 Comment
  SD134564  Allium fimbriatum var. munzii Craig Reiser 1989-4-19 Riverside Southwestern flank of 'Alberhill' in western county. (IPB 2/08) Comment
Read comments
Nov 16 2010
  RSA689373  Allium haematochiton Scott D. White 2001-4-19 8376 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi west of Interstate 215. 442 Comment
  POM230635  Allium munzii I. W. Clokey, B. C. Templeton, C. B. Clokey 1930-4-15 4621 Riverside Gavilan Peak. 600 Comment
  RSA747571  Allium munzii Michael Honer 2003-4-11 1822 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. Appx. 600 m NE and downslope of peak 2349 . 640 Comment
  UC1544763  Allium munzii Steve Boyd 1986-4-10 1640 Riverside De Palma Rd. 0.1 mi e Indian Truck Trail exit of I-15 (limited to small area at base of slope); Temescal Canyon 371 Comment
  SEINET12043795  Allium parryi C. B. Clokey, Clokey, I. W.; Templeton, B. 1930-1 4621 Riverside Gavilan Peak 600 Comment
  UC1929473  Allophyllum Scott D. White, Michael Honer 2003-6-3 9486 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  POM3528  Allophyllum glutinosum Jenkins, L. T. Street 1917-5-30 1948 Riverside San Jacinto Canyon. Comment
  RSA16503  Allophyllum glutinosum Percy C. Everett 1935-6-17 7155 Riverside Coldwater Can. trail to Santiago Peak, 1.5 mi. above Glen Ivy Resort. 564 Comment
  CLARK-A1528-108  Amaranthus albus John C. Roos 1951-9-25 5267 Riverside Riverside 259 Comment
  UCR77685  Amaranthus albus Steve Boyd 1991-7-13 6415 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  RSA165959  Amaranthus fimbriatus E. R. Blakley 1961-9-12 4715 Riverside Pinyon Flat, Palms to Pines Highway. 1220 Comment
  UCR269224  Amaranthus powellii T. B. Salvato, Arlee Montalvo 2015-8-22 8238 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  RSA0093772  Amaranthus torreyi Duncan S. Bell 2015-9-30 8682 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  CAS-BOT-BC13678  Ambrosia artemisiifolia F. M. Reed 1906-9-27 1190 Riverside On pot of earth of Davidsonia involucrata from Chico, CA Comment
  RSA696749  Ambrosia dumosa J. Russell Bruff 1922-04 s.n. Riverside Palm Springs. Comment
  UC1118439  Ambrosia dumosa H. S. Yates 1936-4-7 5416 Riverside Palm Springs; San Jacinto Quad. 137 Comment
  UCR142120  Ambrosia ilicifolia June Latting 1979-3-25 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. 488 Comment
  CAS-BOT-BC273018  Ambrosia salsola Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-15 346 Riverside Near entrance gate, Andreas Canyon Club, South Palm Canyon Drive, Palm Springs 167 Comment
  CAS-BOT-BC273021  Ambrosia salsola Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  UC485547  Ambrosia salsola var. salsola Joseph Grinnell 1910-3-17 Riverside in wash near mouth Colorado River; Riverside Mt. Comment
  UC897994  Ambrosia salsola var. salsola Lewis S. Rose 1936-12-19 36792 Riverside Palm Canyon Wash 121 Comment
  JOTR32964  Amelanchier utahensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2715 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM12891  Amorpha californica P. A. Munz 1922-6-30 5924 Riverside Santa Rosa Mountains. 1982 Comment
  LA204907  Amorpha fruticosa Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  POM12794  Amorpha fruticosa P. A. Munz 1922-6-24 5790 Riverside Pipe Creek, Hemet Valley 1402 Comment
  UCR102898  Amorpha fruticosa Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, where trail crosses Horsethief Creek 1341 Comment
  UCR150015  Amorpha fruticosa Scott D. White, Angelia Carey 2004-4-16 10163 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  RSA613322  Amsinckia intermedia D. L. Banks 1997-3-1 1387 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  SDSU18971  Amsinckia intermedia C. Matt Guilliams 2008-2-21 461 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 418 Comment
  UC1605425  Amsinckia intermedia Steve Boyd 1986-4-2 1618 Riverside Gavilan Plateau; Gavilan Hills, Garford Springs County Park 609 Comment
  UCR225599  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-28 38832 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  UCR93052  Amsinckia intermedia Steve Boyd 1986-4-2 1618 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA0089607  Amsinckia intermedia D. L. Banks 1997-2-23 1290 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
  UCR140691  Amsinckia menziesii A. C. Sanders 2004-5-12 27859 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  RSA0089936  Amsinckia menziesii var. menziesii Steve Boyd 1986-4-2 1617 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. 610 Comment
  RSA0091471  Amsinckia tessellata Duncan S. Bell 2010-4-1 664 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  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
  CAS-BOT-BC79936  Antennaria microphylla Philip A. Munz 1922-7-6 5977 Riverside Tahquitz Valley 2225 Comment
  VVC4  Anthriscus caucalis A. C. Sanders, J. Mac 1997-5-4 20704 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  POM72414  Antirrhinum coulterianum Philip A. Munz 1925-5-20 9835 Riverside 2 miles W of Dripping Spring. 427 Comment
  RSA191418  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop, Robert F. Thorne 1967-9-26 6609 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA515311  Antirrhinum nuttallianum subsp. nuttallianum Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue. 610 Comment
  RSA614530  Antirrhinum nuttallianum subsp. nuttallianum A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20701 Riverside N side of the range, Twin Pines Creek below the confluence with Brown Creek. below the confluence with Brown Creek. 854 Comment
  SDSU13336  Antirrhinum nuttallianum subsp. nuttallianum Tom Duffy, Tarja Sagar 2000-4-29 3 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North field Station. 320 Comment
  RSA524451  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4087 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
  POM20025  Apium graveolens Mary F. Spencer 1923-6-5 2205 Riverside Saboba Hot Springs. 518 Comment
Read comments
Apr 1 2013
  POM157898  Apocynum sibiricum P. A. Munz 1927-5-21 10896 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  UC488838  Aquilegia formosa C. V. Meyer June 1927 181 Riverside San Jacinto Mtns Comment
  UC9007  Aquilegia formosa H. M. Hall July 1901 2374 Riverside San Jacinto Mtns 1524 Comment
  RSA740235  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 -C Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  RSA66701  Arabis perennans F. W. Peirson 1919-4-13 660 Riverside Along the Tahquitz creek, East of Palm Springs, Riverside. Comment
  RSA0128856  Arabis sparsiflora Scott D. White, Justin M. Wood 2008-6-19 12276 Riverside Meadows at Baldy Mtn. 1585 Comment
  RSA629385  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19507 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629481  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16837 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  RSA629421  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19506 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA631771  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15078 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA632645  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16558 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UCR48503  Arctostaphylos glauca Steve Boyd 1986-4-19 1704 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA633675  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20154 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633715  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16676 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633761  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22654 Riverside Road to Santa Rosa Mountain. 2000 Comment
  JEPS26531  Arctostaphylos pringlei subsp. drupacea Peter Kamb 1947-5-17 516 Riverside Hall Canyon; San Jacinto Mts., Hall Canyon 1645 Comment
  SD229130  Arctostaphylos pringlei subsp. drupacea Dick Schwenkmeyer 2012-4-18 705 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
  SFV2660  Arctostaphylos pringlei subsp. drupacea A. Thompson 1959-4-10 Riverside San Jacinto Mountains Along side San Gorgonio Road. 1799 Comment
Read comments
Jun 3 2013
  UC748985  Arctostaphylos pringlei subsp. drupacea Susan Delano McKelvey 1936-3-16 5083 Riverside Palms to Pines Hwy San Jacinto Mts. 1371 Comment
  RSA635811  Arctostaphylos pungens Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20103 Riverside Highway 371, 1 km east of Anza. 1220 Comment
  RSA636010  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19558 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636022  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18797 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  UCR209400  Arctostaphylos rainbowensis Fred M. Roberts, Robt. L. Allen 2008-2-23 6709 Riverside Santa Ana Mountains, Rancho California, vicinity of Santa Rosa Plateau, Rancho California Road c. 2.2 km by road east Jefferson Ave. in Temecula 419 Comment
  SD67916  Arenaria macradenia subsp. ferrisiae Reid Moran 1968-8-3 15366 Riverside North slope 1.0 mile west of summit, Santa Rosa Mountain. 2150 Comment
  UC852373  Arenaria macradenia var. macradenia P. A. Munz 1922-6-23 5789 Riverside 2 mi below Kenworthy; San Jacinto Mts., Hemet Valley 1371 Comment
Read comments
Mar 25 2011
  RSA0045241  Argemone intermedia W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  UCR167975  Argemone munita T. B. Salvato, John F. Green 2004-5-27 655 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA776145  Aristida adscensionis Duncan S. Bell, Amanda Turek 2010-4-10 838 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
  RSA784780  Aristida adscensionis Duncan S. Bell 2012-3-18 3184 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA792554  Aristida adscensionis Duncan S. Bell 2012-9-13 4181 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
  UCR165823  Aristida adscensionis 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
  UCR41462  Aristida adscensionis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6143 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  RSA0026168  Aristida oligantha Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17715 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  SEINET14198857  Aristida purpurea J. C. Roos 1966-4-22 Riverside Rocky hills between March AFB and Lakeview Comment
  JOTR35421  Aristida purpurea var. longiseta Andre, Jim 2012-4-16 20957 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  UC576337  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  UCR76179  Aristida purpurea var. nealleyi Scott Holbrook 1993-4-27 s.n. Riverside San Jacinto Mtns., Chino Canyon 610 Comment
Read comments
Sep 3 2011
  RSA97133  Aristida purpurea var. nealleyi H. K. Buechner 1955-6-1 C- 102 Riverside 4.5 miles south of Palm Desert, Coachella Valley 854 Comment
  UC64840  Artemisia douglasiana E. A. Zumbro 1904-1-1 419 Riverside Cold Water Canon Santa Ana Mts., Cold Water Canon Comment
  UC63059  Artemisia dracunculus H. M. Hall 1901-8-6 2622 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
Read comments
Sep 21 2006
  RSA736852  Artemisia ludoviciana Scott D. White, Angelia Carey 2004-7-2 10595 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR274224  Artemisia ludoviciana Duncan S. Bell 2014-11-14 7707 Riverside Santa Rosa Mountains, Santa Rosa Mountain Wilderness area, west side of Martinez Mountain, at meeting point of Horsethief Creek and the Cactus Spring Trail 1055 Comment
  JOTR33674  Artemisia ludoviciana subsp. incompta La Doux, Tasha 2003-9-24 1589 Riverside Joshua Tree National Park. Little San Bernardino Mtns; southern Wonderland of Rocks, along trail to Barker Dam 1296 Comment
  UCR34918  Artemisia ludoviciana subsp. incompta L. B. Ziegler 1967-8-30 230 Riverside San Jacinto Mtns, Hemet Valley 1357 Comment
  RSA716111  Artemisia tridentata subsp. tridentata Michael Wall 2006-11-18 425 Riverside San Jacinto River channel at Bautista Creek confluence, east Hemet near Mountain Ave. and Cedar Ave. 504 Comment
  RSA682325  Artemisia vulgaris O. F. Clarke 2000-12-9 s.n. Riverside Riverside: in yard of O.F. Clarke residence at 266 Frost Court. 360 Comment
  UCR19688  Arundo donax John C. Roos 1966-9-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Indio 3 Comment
  CAS-BOT-BC222818  Asclepias albicans Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13262 Riverside U. S. gypsum mine property in Little Maria Mts., 2 miles above Midland Post Office Comment
  UC22958  Asclepias californica H. M. Hall May 17 1901-Jun 1 1901 Riverside Temecula Peak 609 Comment
  RSA0104760  Asclepias californica D. L. Banks, Elizabeth Hedge Banks 1996-5-2 934 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR202581  Asclepias eriocarpa Scott D. White, Justin M. Wood 2008-7-8 12384 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  RSA763978  Asclepias erosa Justin M. Wood, D. Ray 2010-10-21 2999 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCR125206  Asclepias fascicularis Mitch Provance 1998-5-27 543 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  UCR23408  Asclepias subulata John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe airport 75 Comment
  POM4800  Aster alpigenus F. M. Reed 1908-7-11 2532 Riverside Meadow in Round Valley 2744 Comment
  CLARK-A1528-5500  Aster spinosus John C. Roos 1965-7-5 Riverside Blythe Comment
  RSA703415  Astragalus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1456 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SD135216  Astragalus bicristatus Craig Reiser, Dylan Hannon 1993-5-30 Riverside N flank of Santa Rosa Peak near flowing creek Comment
  CAS-BOT-BC177720  Astragalus crotalariae E. A. McGregor 1917-3-19 2051 Riverside Indio Comment
  SD133103  Astragalus douglasii Scott D. White 1991-5-13 91 92 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  UCR155056  Astragalus douglasii Jason L. Hlebakos 2005-5-30 816 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  SEINET948244  Astragalus douglasii var. parishii D. Bramlet 1990-1 2040 Riverside Approximately 915m south of Hwy 79 and 152m south of the Dripping Springs Campground. The site is 30m east of the main wash. Vail Lake 7.5 USGS Quadrangle. 494 Comment
  UC1128784  Astragalus douglasii var. parishii H. S. Yates 1937-6-27 6717 Riverside near Idlewild; San Jacinto Quad., near Idlewild Comment
  SBBG133728  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2011-4-27 39334 Riverside S side of Alberhill Mtn in vicinity of Durant Siding and Terra Cotta, near Nichols Rd and extension toward Lake St 390 Comment
  HSC66565  Astragalus lentiginosus var. coachellae Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7815 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  SBBG132094  Astragalus lentiginosus var. coachellae S. D. White 2001-4-18 8367 Riverside Palm Springs, NE corner of 30th Ave and Devall St 101 Comment
  JOTR16676  Astragalus lentiginosus var. variabilis Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ALONG ROADSIDE TO STUBBE SPRING 1310 Comment
  RSA27928  Astragalus lentiginosus var. variabilis C. L. Hitchcock 1940-4-4 5958 Riverside Pinto Basin. Comment
  JOTR16679  Astragalus palmeri Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  LA205752  Astragalus tricarinatus Marcus E. Jones; 1929-3-9 Riverside San Bernardino Mountains, Whitewater Canyon Comment
  PASA2748  Astragalus tricarinatus Marcus E. Jones 1929-3-19 8640 Riverside Whitewater, Colorado Desert Comment
  RSA613414  Athysanus pusillus D. L. Banks 1997-4-5 1677 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UCR19096  Athysanus pusillus John C. Roos 1967-2-25 s.n. Riverside Box Springs Mtns, Sunymead, Pigeon Pass Comment
  JOTR31972  Atrichoseris platyphylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2208 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA777775  Atrichoseris platyphylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 761 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR112093  Atrichoseris platyphylla A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23367 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR180227  Atrichoseris platyphylla Scott D. White, Pam Devries 2006-3-14 11254 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
  RSA736291  Atriplex argentea subsp. expansa Scott D. White, Justin Wood 2008-5-27 12030 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  UCR166804  Atriplex argentea var. mohavensis R. E. Riefner Jr. 2004-8-27 04- 396 Riverside N of La Sierra Heights; NE (c. 0.25 mi) off Arlington Avenue, along dirt access road to Hidden Valley Wildlife Reserve 221 Comment
  POM278731  Atriplex canescens Grant D. Brown 1950-12-2 585 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  RSA340180  Atriplex canescens R. F. Thorne, W. A. Tilforth 1980-5-28 54186 Riverside San Bernardino Mountains: W-facing slope of Whitewater ridge above old bridge. Comment
  SEINET3930588  Atriplex canescens R. L. Piemeisel 1913-8-17 3645 Riverside Crestmore.; 0 Comment
  UCR272671  Atriplex canescens var. canescens Sarah J. De Groot, Duncan S. Bell 2015-9-21 7582 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, near Potrero Spring near head of Potrero Canyon, west of Dunn Road, NW of Asbestos Mountain, SW of Haystack Mountain 1084 Comment
  POM278704  Atriplex canescens var. laciniata Grant D. Brown 1950-12 449 Riverside 5 mi. W. of Indio on Hyway #99 Comment
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Apr 7 2011
  RSA799067  Atriplex canescens var. linearis Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6863 Riverside South side of Joshua Tree National Park, Cottonwood Spring 823 Comment
  UCR77746  Atriplex coronata var. notatior Steve Boyd 1991-5-13 6238 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  UCR172748  Atriplex davidsonii Robert Cox, Chris E. True 2005-6-2 s.n. Riverside Perris-Aguanga Basin, San Jacinto Valley; San Jacinto Wildlife Refuge, 1 mi east of the wildlife area headquarters, vicinity of Duck Ponds 436 Comment
  CAS-BOT-BC523903  Atriplex glauca D. E. Bramlet 2005-5-5 3847 Riverside Perris-Aguanga Basin Region: San Jacinto Valley, canal right-of-way north of Devonshire Ave. 457 Comment
  RSA2100  Atriplex hymenelytra Ernest Braunton 1929-01 s.n. Riverside Painted Canyon, Mecca. 46 Comment
  SBBG1763  Atriplex hymenelytra H. and M. Dearing 1940-1-1 4070 Riverside near Mecca Comment
  UCR129808  Atriplex hymenelytra Scott D. White 2001-5-4 8449 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio 177 Comment
  RSA478277  Atriplex lentiformis H. de Forest, Jack Remple 1932-10-23 s.n. Riverside Mecca Comment
  CAS-BOT-BC170069  Atriplex parishii H. M. Hall 1901-6-1 2146 Riverside Eastern base, along the borders of the Colorado Desert. Comment
  UCR100889  Atriplex parishii H. C. Stutz, G. L. Chu 1995-6-29 9773 Riverside San Jacinto Valley, '2 mi. south of Hemet, 1/4 mi. east of end of California Ave.', [presumably on Stetson Ave., east of the N end of California Ave., near the San Diego Aqueduct and upper Salt Creek channel, c. 2 miles SW of Hemet] 457 Comment
  SBBG119922  Atriplex prostrata O. F. Clarke 1970-9-24 Riverside Santa Ana River bottom just E of the old Salt Lake Railroad bridge 216 Comment
  RSA422258  Atriplex saltonensis S. B. Parish 1913-9-20 8600 Riverside Mecca, Salton Sink. 58 Comment
  UCR275576  Atriplex suberecta T. B. Salvato, Jennifer Weiland 2005-6-13 605- 3 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  SD152999  Avena fatua Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-26 6684 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon, along trail 305 Comment
  UC18982  Ayenia compacta S. B. Parish Apr 4 1896-Apr 13 1896 4145 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mountain) 152 Comment
  CAS-BOT-BC98785  Baccharis brachyphylla Marjorie Clary 1932-12-13 654 Riverside Near mouth of Deep Canyon [Canon], western edge of Coachella Valley, near eastern end of Palms-to-Pines Highway, 304 Comment
  RSA40607  Baccharis brachyphylla J. C. Roos 1946-9-14 3008 Riverside Dry desert near Dos Palmos Spring, E of Asbestos Mountain. 1067 Comment
  UCR262332  Baccharis brachyphylla Duncan S. Bell 2013-9-29 6045 Riverside Colorado (Sonoran) Desert, Chuckwalla Mountains, south side of Corn Springs, Wash, c. 1.8 air mi southwest of Corn Springs 648 Comment
  CAS-BOT-BC106749  Baccharis salicifolia Mrs. J. D. Abrams 1901-5-19 s.n. Riverside Elsinore Comment
  POM318589  Baccharis salicifolia Patricia Wilder 1971-3-20 4880 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  RSA612507  Baccharis salicifolia Darin L. Banks 1997-2-17 1277 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, along Pechanga Road in the Reservation, approximately 10 m west of the Pechanga Tribal Government Center. 367 Comment
  SD152956  Baccharis salicifolia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6686 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon from Fisherman;s Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR140708  Baccharis salicifolia A. C. Sanders 2004-5-12 27860 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  SDSU12994  Baccharis salicifolia subsp. salicifolia Michael G. Simpson 1999-10-27 2025 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  POM173314  Baccharis sarothroides E. C. Jaeger 1929-02 s.n. Riverside Chuckwalla Mts Comment
  SEINET899320  Baccharis sarothroides C. B. Wolf 1931-1 1881 Riverside Colorado Desert, 2 mi. north of Blythe 152 Comment
  JOTR34413  Baccharis sergiloides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3098 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  POM350456  Baccharis sergiloides L. C. Wheeler 1933-12-1 2292 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  UC1118933  Baccharis sergiloides H. S. Yates 1936-6-4 5413 Riverside Palm Springs San Jacinto Quad. 137 Comment
  SEINET7003044  Baeria chrysostoma A. G. Vestal 1962-3-29 s.n. Riverside 0.3 mile south of Temecula. Comment
  HSC47416  Bahiopsis parishii Richard Spjut, C. E. Edson 1978-5-5 5015 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. 915 Comment
  JOTR34045  Bahiopsis parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2946 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  JOTR34348  Bahiopsis parishii Andre, Jim 2012-4-11 20697 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  UCR274813  Baileya pleniradiata Aaron C. Sedgwick, David Fraker 2012-4-24 003 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
  RSA502593  Bassia hyssopifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3729 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  OBI16935  Bebbia juncea H. E. McMinn 1935-6-27 4066 Riverside Palms to Pines Highway Comment
  RSA516869  Bebbia juncea Steve Boyd, Thomas S. Elias, B. Roy, S. Meury, S. Zona 1986-3-5 1342 Riverside Mecca Hills: Box Canyon, along Hwy 195 Comment
  RSA793531  Bebbia juncea Naomi Fraga, David Fraker, Thomas Stoughton 2012-3-15 3947 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  HSC101197  Bebbia juncea var. aspera Jim Andre 2012-3-19 21373 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  JEPS108702  Bebbia juncea var. aspera R. Kobaly, A. Singer, C. Spurrier, D. Thompson, M. J. Way, J. Willouby 2001-6-12 1 Riverside San Gorgonio Wilderness, Whitewater Canyon, 4.8 km N of Hwy 10 570 Comment
  UCR241957  Bebbia juncea var. aspera A. C. Sanders, John F. Green 2012-3-21 39983 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  SEINET3154482  Beloperone californica L. S. Rose 1938-12-18 38325 Riverside Palm Springs 137 Comment
  RSA0028735  Bergia texana R. E. Riefner 1998-6-19 98 -370 Riverside Chino Fault; Corona Comment
  CAS-BOT-BC207044  Bernardia incana C. F. Saunders 1914-5-1 s.n. Riverside San Jacinto Mts. Comment
  UCR13715  Bernardia myricifolia N. R. Zabriskie, W. W. Zabriskie 1972-4-9 510 Riverside Peninsuar Range; Santa Rosa Mtns/Sonoran (Colorado) Desert, small canyon NW from Hwy 74 at [hwy mile post] 81.72, Deep Canyon watershed, site 8 1220 Comment
  UCD169505  Beta vulgaris Mitch Provance 2003-7-4 4640 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives. 226 Comment
  UCR178351  Bloomeria crocea Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1059 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA192136  Bloomeria crocea var. crocea E. W. Lathrop 1960-6-7 4901 b Riverside 14 miles west of Murrieta Comment
  SD229113  Boechera californica Dick Schwenkmeyer 2012-4-17 697 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  RSA0129424  Boechera perennans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4888 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  SD185256  Boerhavia coccinea T. B. Salvato, Kent Beaman 2005-5-16 853 Riverside San Jacinto Mtn foothills, San Jacinto River E of Valle Vista, just downstream from the forest service boudary and N of CA Hwy 74 Comment
  RSA0103577  Boerhavia coulteri Duncan S. Bell 2015-9-30 8653 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  SEINET6049526  Boerhavia coulteri Unknown 17074 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR12293  Boerhavia coulteri Bill Isom 1971-9-8 s.n. Riverside U.C.R. field station, Moreno Valley Comment
  RSA0087462  Boerhavia coulteri var. palmeri Sarah J. De Groot, Amy Rouillard 2015-9-15 7577 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  RSA608164  Boerhavia triquetra Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 B Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR195795  Boerhavia triquetra Tasha La Doux, J. Andre 2007-9-6 134 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  UCR280427  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-9 5610 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, c. 5 km SW of Desert Center 459 Comment
  RSA781886  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 A Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA192348  Boisduvalia densiflora H. A. Zuill 1966-7-26 298 Riverside About 7.5 miles SW of Murrieta. Comment
  UCD56835  Bouteloua aristidoides A. A. Beetle 1942-4-23 3189 Riverside 24 miles north of Blythe, banks of Colorado River. Comment
  JOTR32605  Bouteloua aristidoides var. aristidoides La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2669 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  JOTR34107  Bouteloua aristidoides var. aristidoides La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2669 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA778405  Bouteloua aristidoides var. aristidoides Stephanie Rockwood, Christi Gabriel 2011-10-5 64 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
  UCR33706  Bouteloua barbata Sears 1977-10-10 S 522 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  UCR201433  Bouteloua curtipendula Scott D. White, Justin M. Wood 2008-6-17 12177 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR194822  Bowlesia incana Scott D. White 2006-4-27 11299 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  UCR207233  Brachypodium distachyon O. F. Clarke 2008-5-20 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CLARK-A1528-2786  Brandegea bigelovii John C. Roos 1967-11-18 Riverside Comment
  RSA0105943  Brandegea bigelovii Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  RSA77415  Brandegea bigelovii F. W. Peirson 1927-4-12 7166 Riverside In Painted Canyon near Mecca. Comment
  UC218067  Brandegea bigelovii P. A. Munz, D. Keck 1922-4-9 4760 Riverside Shavers Well near Mecca; Shavers Well 76 Comment
  UC494864  Brandegea bigelovii C. L. Hitchcock 1932-4-7 12198 Riverside Corn Springs, eastern Riverside County Corn Springs Comment
  SBBG82062  Brassica nigra O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  CAS-BOT-BC36847  Brassica tournefortii Lewis S. Rose 1962-3-2 62006 Riverside La Quinta. 3 Comment
  RSA339319  Brassica tournefortii R. F. Thorne, W. A. Tilforth 1980-5-28 54198 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA676128  Brassica tournefortii Scott D. White 2001-4-13 8329 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  SBBG35085  Brassica tournefortii T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  OBI40181  Brickellia desertorum N. Miles Fellows 1984-11-12 27 Riverside Oasis de Los Osos Preserve, off Snow Crk Cyn at N foot of the San Jacinto Mts, 1 mi W of Snow Crk Village. T3S, R3E, S1/2 sec 20 488 Comment
  POM301772  Brickellia desertorum J. Cole 1942-5-19 960 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  UCR17646  Brickellia incana Hap Ritter, Paul Mack 1976-5-18 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns., Red Cloud Wash [Mine] Road 549 Comment
  RSA444677  Brickellia nevinii J. C. Roos 1965-9-12 s.n. Riverside Tin Mine Canyon, 3 mi. SW of Corona. 549 Comment
  CAS-BOT-BC149328  Bromus arizonicus F. H. Billings 1931-4-1 s.n. Riverside Redlands. Comment
  RSA385315  Bromus carinatus N. C. Cooper 1945-5-24 1647 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 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
  UCD59301  Bromus diandrus A. A. Beetle 1944-4-27 1998 Riverside West of Murietta. Comment
  UCR126387  Bromus hordeaceus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 697 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR169397  Bromus hordeaceus T. B. Salvato, John F. Green 2004-5-27 607 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  SEINET3922879  Bromus madritensis subsp. rubens A. C. Sanders 2005-4-21 29571 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak (Steele Peak 7.5' Q.).; 0 622 Comment
  SEINET3923268  Bromus rubens R. L. Piemeisel 1913-5-4 3595 Riverside Sunny Mt., Riverside.; 0 Comment
  UCR2247  Bromus rubens F. M. Reed 1907-5-26 1377 Riverside Riverside, Evan's Spring Brook pasture 250 Comment
  RSA651757  Bromus rubens N. R. Zabriskie 1973-4-6 633 Riverside This opposite juncture of North Canyon, stream area, Andreas Canyon, east slope San Jacinto Mtns. 365 Comment
  CSUSB439  Bromus tectorum David H. Eslinger 1970-5-29 Riverside 4 miles east of Riverside; 40 meters north of 9725 Pigeon Pass Road, in dry creek bed. 365 Comment
  RSA757626  Bromus tectorum LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4332 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
  UCD59748  Bromus tectorum Peter Kamb 1948-7-4 1160 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  JOTR30313  Bromus trinii La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1746 Riverside Joshua Tree National Park. Stop # 3 Northwest end of Eagle Mountains, near road leading to Cottonwood Canyon. 898 Comment
  UC816450  Bromus trinii C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument, Cotttonwood Spring wash Joshua Tree National Monument; , Cotttonwood Spring wash Comment
  RSA8424  Caesalpinia virgata Roxana S. Ferris, R. C. Bacigalupi 1932-4-30 8243 Riverside In canyon between Shaver's Well and Mecca. Comment
  RSA543777  Calandrinia ciliata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6024 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
  NY409595  Callitriche marginata R. F. Thorne 1969-5-12 37925 Riverside Santa Rosa Plateau: large vernal marsh on S end of Mesa de Colorado, Rancho California Comment
  RSA170444  Calochortus concolor J. Olmstead 1960-5-15 1460 Riverside west slope of San Jacinto Mountains near intersection of main ans west forks of Snow Creek 762 Comment
  RSA377389  Calochortus concolor N. C. Cooper 1944-7-16 1386 Riverside San Jacinto Mountains. West side. 1220 Comment
  CAS-BOT-BC132461  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA487424  Calochortus splendens 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
  RSA662566  Calochortus splendens P. Shirokawa 1998-5-15 31 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  UCR1236  Calochortus splendens Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  UC1563116  Calochortus weedii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-11 3720 Riverside w end Vail Lake (sw of dam, Vail Lake area) 487 Comment
  RSA688839  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-6-17 9549 Riverside Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  POM122478  Calycadenia tenella Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  UCR2071  Calycoseris parryi J. Texera 1970-3-27 13 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
  UCR74397  Calycoseris wrightii Theo Glenn 1991-5-1 91- 51 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  JOTR30966  Calyptridium monandrum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1941 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  JOTR33962  Calyptridium monandrum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2848 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
  SJSU1865  Calyptridium monandrum J. W. Tilden 1957-4-18 1095 Riverside near Whitewater, E of San Gorgonio Pass Comment
  UC851946  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavila Mesa 600 Comment
  UCR121325  Calystegia macrostegia subsp. arida A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24994 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  POM19568  Calystegia occidentalis subsp. fulcrata Mary F. Spencer 1923-8-3 2228 Riverside Idyllwild. Comment
  CAS-BOT-BC218904  Camissonia Elizabeth McClintock 1958-4-5 s.n. Riverside Painted Canyon, Colorado Desert, along wash Comment
  RSA682120  Camissonia Valerie L. Soza 2003-3-15 s.n. Riverside Orocopia Mountains. Comment
  CSUSB171  Camissonia bistorta Eric Trubschenck 1972-5-8 10 Riverside 12 miles east of Riverside, one mile south of intersection of Alessandro Blvd. and Wilnot Street. Canyon north-running in east-to-west granite hills. 365 Comment
  RSA653423  Camissonia bistorta Scott D. White 1999-5-24 7390 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
  RSA75398  Camissonia boothii subsp. condensata F. W. Peirson 1920-2-16 784 Riverside Colorado Desert. Garden of Eden east of Palm Springs. Comment
  RSA75371  Camissonia brevipes subsp. brevipes F. W. Peirson 1930-3-29 8686 Riverside Colorado Desert. Painted Canyon, near Mecca. Comment
  RSA192045  Camissonia californica E. W. Lathrop 1966-5-16 6326 Riverside Tenaja Grade, 2 miles SW of Murrieta on the Tenaja Road. Comment
  RSA466162  Camissonia californica E. Crow 1929-4-21 339 Riverside North of Alberhill. Comment
  UCR121197  Camissonia californica D. E. Bramlet 1989-4-4 1788 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR101587  Camissonia claviformis Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  POM14040  Camissonia claviformis subsp. aurantiaca P. A. Munz 1922-4-14 4994 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM257261  Camissonia claviformis subsp. aurantiaca H. L. Mason 1928-3-11 4242 Riverside Desert flats near Indio. Comment
  UCR103325  Camissonia claviformis subsp. claviformis George K. Helmkamp 1998-2-5 2637 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  RSA717330  Camissonia confusa Scott D. White, Angelia Carey 2004-4-5 10023 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET6944439  Camissonia contorta W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  RSA715188  Camissonia hirtella S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains: powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain. 1189 Comment
  RSA561059  Camissonia ignota Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-12 7354 Riverside Southern Santa Ana Mountains, San 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. 366 Comment
  RSA708565  Camissonia pallida Scott D. White, Jennifer H. Jones 2005-5-24 11102 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  RSA775298  Camissonia refracta Duncan S. Bell 2011-3-18 2059 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA454106  Camissonia strigulosa N. C. Cooper 1944-4-23 1102 Riverside Banning. 701 Comment
  UCR256898  Camissonia strigulosa LeRoy Gross, Caitlin Elam 2013-5-14 6044 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  UCR25718  Camissonia strigulosa John C. Roos 1952-4-16 5554 Riverside Reche Canyon. 457 Comment
  SDSU13992  Camissoniopsis ignota Michael G. Simpson, Adrienne Russell 2000-4-29 2073 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UC69876  Camissoniopsis intermedia Mrs. C. M. Wilder 91 Riverside West Riverside Jurupa Hills Comment
  UC147159  Camissoniopsis pallida subsp. hallii H. M. Hall 1897-4-17 446 Riverside Banning Colorado Desert (edge of Colorado Desert) Comment
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Mar 21 2011
  UC172909  Camissoniopsis pallida subsp. pallida E. E. Schellenger 1911-4-25 Riverside Point of Rocks Colorado Desert, Whitewater Wash Comment
  UC597615  Camissoniopsis pallida subsp. pallida Philip A. Munz 1937-3-15 14938 Riverside 3 mi n highway to Banning; Whitewater Creek Comment
  UCSB4467  Camissoniopsis pallida subsp. pallida Kamb, Peter 1948-4-11 Riverside Lower Sonoran Zone, Aqueduct Road 5 mi east of Garnet, Coachella Valley 304 Comment
  UCSB4471  Camissoniopsis pallida subsp. pallida Koran, John 1958-4-15 Riverside 4.5 miles W. of HWY 111 on HWY 74, Just west of Palm Desert Comment
  CLARK-A1528-2300  Capsella bursa-pastoris John C. Roos 1966-3-24 Riverside Hemet Comment
  UCR93026  Capsella bursa-pastoris G. P. Schultz 1994-4-7 84 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  UCR158639  Cardamine californica 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
  UCR59807  Carex barbarae Jeri Hirshberg 1989-7-26 s.n. Riverside Peninsular Range, vicinity of Vail Lake; spring in Butterfield Country Comment
  UCR228674  Carex senta Peter F. Zika, Nick Otting 2010-8-3 25243 Riverside Peninsular Ranges; San Jacinto Mountains, vicinity of Willow Creek, San Jacinto Wilderness Area 2550 Comment
  UCR51372  Carex triquetra D. C. Hawks 1988-5-15 s.n. Riverside Peninsular Range, Rainbow Canyon Road south of Temecula. Comment
  UCSB37818  Carthamus tinctorius Oscar F. Clarke 1968-12-16 Riverside collected in University of California Riverside Greenhouse Comment
  RSA711756  Cassia eremophila O. F. Clarke 2002-3-11 s.n. Riverside O.F. Clarke residence, 266 Frost Court. 351 Comment
  POM19581  Castilleja applegatei subsp. martinii Mary F. Spencer 1923-7-18 2233 Riverside San Jacinto Mts. 2439 Comment
  UCR155059  Castilleja exserta Jason L. Hlebakos 2005-5-30 813 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR237210  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-10 982 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.4 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1365 Comment
  SEINET7063419  Castilleja exserta subsp. exserta A. G. Vestal 1947-3-29 s.n. Riverside About 0.3 mile below the dam in Railroad Canyon east of Lake Elsinore. UTM Zone 11, 469824mE, 3727524mN. (WGS84/NAD83). 402 Comment
  RSA0010902  Castilleja exserta subsp. exserta Robert L. Rutherford 1945-5-24 1654 Riverside Big Oaks Canyon, Banning. 1220 Comment
  CLARK-A1528-4177  Castilleja foliolosa John C. Roos 1940-5-4 880 Riverside San Timoteo Canyon Comment
  RSA752548  Castilleja foliolosa Justin M. Wood 2009-3-10 349 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  UCR102934  Castilleja foliolosa George K. Helmkamp 1998-4-3 3089 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  RSA0054914  Castilleja foliolosa G. Jentges 1932-2-20 16 Riverside Jack Rabbit Grade, San Jacinto Mountains. Comment
  UCR193891  Castilleja minor subsp. spiralis A. C. Sanders, Mitch Provance 2008-7-11 35814 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  SBBG101780  Caulanthus heterophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6022 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SDSU18384  Caulanthus heterophyllus C. Matt Guilliams 2008-2-21 467 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCD114582  Caulanthus lasiophyllus D. E. Bramlet 1991-5-10 2140 Riverside Perris-Aquanga Basin region: North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Road, W side of large peak in Sec. 31, just above saddle. 579 Comment
  UCR75039  Caulanthus lasiophyllus A. C. Sanders, E. J. Lawlor 1992-4-4 12153 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC1611560  Ceanothus Steve Boyd, Tim Ross 1993-3-23 7900 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 609 Comment
  CAS-BOT-BC48454  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2647 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  CLARK-A1528-5724  Ceanothus crassifolius John C. Roos 1948-5-22 3862 Riverside Box Springs Mountains Comment
  UC2015596  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Perris Basin, Lakeview Mts., N of Winchester, at Maze Stone Picnic Area. Comment
  UCD111420  Ceanothus crassifolius Beecher Crampton 1963-5-7 6787 Riverside 2 miles west of El Cariso Guard Station, Cleveland National Forest, Santa Ana Mountains. 701 Comment
  RSA0019576  Ceanothus cuneatus var. cuneatus Gary D. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  UC64025  Ceanothus greggii var. perplexans H. M. Hall June 1901 2156 Riverside eastern base, along the borders of the Colorado Desert San Jacinto Mts. Comment
  RSA708423  Ceanothus oliganthus Scott D. White, Brian Leatherman, James Huelsman 2005-2-14 10783 Riverside Santa Ana Mountains: Santa Rosa Plateau area, northwest of Squaw Mtn. Terminus of Via Ranchero at San Diego County line. 823 Comment
  SD137647  Ceanothus oliganthus var. orcuttii Darin L. Banks 1995-3-16 99 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope ofAgua Tibia Mtn., E of the Dripping Springs alcove, Arroyo Seco drainage. 548 Comment
  RSA570552  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8011 Riverside Palomar Range south of Vail lake at north base of Agua Tibia Mountain, Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extendng south from end of Woodchuck Road 1000 Comment
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Aug 8 2008
  RSA606751  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27412 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
  SD134388  Ceanothus ophiochilus Craig Reiser 1990-7-1 Riverside Crest of Oak Mountain W of Vail Lake Comment
  CAS-BOT-BC51929  Ceanothus perplexans H. M. Hall 1899-5-1 s.n. Riverside Cahuilla Comment
  UCR178566  Ceanothus perplexans R. G. Swinney 1967-3-5 0061 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UC1071421  Ceanothus tomentosus R. St. John 1930-3-27 110 Riverside Badlands Elsinore Quad., Badlands (Plot 28). Comment
  RSA552723  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6765 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  SBBG128619  Ceanothus vestitus T. Tennant, J. Ross 1998-4-9 MOR- 1012 Riverside Morongo Indian Reservation, Wood Cyn, E of upper Potrero Cyn 1305 Comment
  CAS-BOT-BC281957  Centaurea benedicta Peter H. Raven; Sidney R. Snow 1956-7-6 9657 Riverside Gilman Hot Springs, along road Comment
  UCR104169  Centaurium venustum Scott D. White 1997-5-25 5243 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR217501  Centromadia pungens subsp. laevis Ana Hernandez, Kim Sparks 2009-6-23 011 Riverside Perris basin, Sycamore Canyon, I km north of Alessandro Blvd., along trail next to river. 446 Comment
  UC1329991  Centrostegia thurberi var. thurberi James E. Cole 1941-5-29 816 Riverside Joshua Tree National Monument, Stubby Spring Road Joshua Tree National Monument; , Stubby Spring Road 1432 Comment
  UC667256  Centrostegia thurberi var. thurberi Annie M. Alexander and Louise Kellogg 1941-4-27 2100 Riverside Joshua Tree National Monument Joshua Tree National Monument Joshua Tree National Monument; Joshua Tree National Monument 1310 Comment
  UC1595609  Cerastium glomeratum Steve Boyd and Orlando Mistretta 1991-5-22 6288 Riverside base of Agua Tibia Mt. (Vail Lake area, e. of Dorland Mt., w. of Kolb Creek) 548 Comment
  UCR154758  Cerastium glomeratum T. B. Salvato, Kent Beaman 2005-5-16 783 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
  CLARK-A1045-152  Cerastium viscosum George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  RSA623939  Cercidium floridum Arthur R. Kruckeberg 1939-8-11 150 Riverside 10 miles S of Indio, Coachella Valley Comment
  JOTR01064  Cercidium floridum subsp. floridum Cole, James E. 1941-6-11 864 Riverside Joshua Tree National Park. COTTONWOOD SPRING AREAR; 1/4 MILE BELOW SPRING 914 Comment
  CAS-BOT-BC135497  Cercocarpus betuloides var. betuloides Banning School 1927-4-1 s.n. Riverside Banning, from flower show. Comment
  RSA86676  Cercocarpus minutiflorus F. W. Peirson 1921-3-21 4191 Riverside Gordon Trail. 1372 Comment
  CAS-BOT-BC279536  Chaenactis artemisiifolia John Thomas Howell 1930-5-10 4810 Riverside 6 miles ne. of Aguanga Comment
  UC1294018  Chaenactis artemisiifolia E. K. Balls 1958-6-27 23294 Riverside between Santiago Peak and Indian Truck Trail (along Main Divide); Santa Ana Mts. 1310 Comment
  UCR251908  Chaenactis carphoclinia Jim Andre 2013-3-27 24837 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  POM13051  Chaenactis carphoclinia var. carphoclinia Philip A. Munz, D. D. Keck 1922-4-9 4842 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UC1595787  Chaenactis carphoclinia var. carphoclinia W. Wisura, J. Dolan, and M. Wall 1992-3-24 4615 Riverside 4.7 mi ne Mecca (on Box Canyon Rd) Comment
  JOTR32431  Chaenactis fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2279 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  POM351698  Chaenactis fremontii N. R. Zabriskie 1970-3-27 273 Riverside below Andreas Canyon Club clubhouse; Andreas Canyon. 305 Comment
  POM351701  Chaenactis fremontii Anstruther Davidson 1904-5-1 1097 Riverside Palm Springs. Comment
  RSA100836  Chaenactis fremontii Palmer Stockwell 1940-4-24 1507 Riverside 1 mile E of Banning. Comment
  POM98997  Chaenactis fremontii E. C. Jaeger 1926-3-26 s.n. Riverside Pinto Valley Comment
  SEINET2030149 Image available Chaenactis glabriuscula Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mountains, San Juan Canyon, highway 74 610 Comment
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Nov 8 2015
  UCR123233  Chaenactis glabriuscula S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UCR80808  Chaenactis glabriuscula Scott D. White 1993-5-29 1449 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  CAS-BOT-BC277408  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside Bachelor Mtns.: lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  UC34688  Chaenactis glabriuscula var. glabriuscula Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UC31027  Chaenactis glabriuscula var. lanosa H. M. Hall Jun 1901 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  SD135114  Chaenactis parishii Craig Reiser, Dylan Hannon 1993-5-30 Riverside Along Santa Rosa Peak Road Comment
  CHSC8272  Chaenactis stevioides Edward L. Smith 1958-3-21 357 Riverside Chuckwalla Mtns., 3 mi. n of Desert Center. 274 Comment
  RSA435979  Chamaesyce albomarginata N. C. Cooper 1948-5-13 2849 Riverside Devil's Garden. 244 Comment
  RSA596767  Chamaesyce maculata D. L. Banks, K. D. Hedge 1996-5-16 1035 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve, at the junction with the road to the local golf course. 426 Comment
  RSA0062786  Chamaesyce micromera Duncan S. Bell, Evan Meyer 2014-10-22 7654 Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  RSA0099440  Chamaesyce micromera Duncan S. Bell, Evan Meyer 2014-10-29 7698 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA734752  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside Neat Canyon east of Painted Canyon. Comment
  RSA5159  Chamaesyce polycarpa var. hirtella C. B. Wolf 1932-4-26 2970 Riverside 3 mi. east of Mecca on Blythe Road. 0 Comment
  POM13619  Chamaesyce setiloba E. C. Jaeger 1921-3-12 50 Riverside Colorado Desert: [Orocopia Mountains] Canon Spring Wash. Comment
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Aug 27 2016
  RSA781418  Chamaesyce setiloba Duncan S. Bell 2011-10-22 2998 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA778526  Chamaesyce setiloba Amber Swanson, Linda Jean Foster 2011-10-8 630 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 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
  RSA85537  Cheilanthes covillei F. W. Peirson 1922-4-10 s.n. Riverside Murray Canyon, Palm Springs Region. 457 Comment
  SEINET272413 Image available Cheilanthes newberryi A. C. Sanders, G Helmkamp 1997-3-15 19917 Riverside Lake Skinner Area; hill E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 567 Comment
  CAS-BOT-BC70336  Cheilanthes parryi Milo S. Baker 1928-4-3 3292 a Riverside Palm Canyon Comment
  RSA23175  Cheilanthes parryi I. L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon 3-5 miles south of Palm Springs Comment
  RSA739320  Cheilanthes parryi Keith E. Hoffmaster 1933-4-13 27 Riverside Palm Springs. Comment
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Aug 27 2011
  UC366532 Image available Cheilanthes viscida J. G. Lemmon 1824-1 Riverside White Water River; Colorado Desert Comment
  UCR20418  Chenopodium ambrosioides Dr. H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside San Jacinto Mountains, north base of mountains, Snow Creek Canyon 549 Comment
  OBI74469  Chenopodium californicum David J. Keil 1983-4-15 16892 Riverside E of Temecula on SR79 Comment
  UCR213900  Chenopodium californicum Scott D. White, Justin M. Wood 2009-5-22 12900 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCR113788  Chenopodium giganteum A. C. Sanders, Mitch Provance 2000-10-4 23716 Riverside Riverside, UCR Botanic Garden, gully on east fence SE of the herb garden 366 Comment
  UCR113597  Chenopodium missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23677 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  CLARK-A1656-768  Chenopodium murale Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  UCR118424  Chenopodium murale Mitch Provance 2000-1-8 1802 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  UCR93823  Chenopodium strictum var. glaucophyllum P. J. MacKay 1996-6-15 007 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA455320  Chilopsis linearis M. B. Dunkle 1934-3-18 S.N. Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA722345  Chilopsis linearis J. Russell Bruff 1931-4-25 458 Riverside Whitewater Wash 3 mi. west of Palm Springs. Comment
  UCR16157  Chilopsis linearis J. N. Bullock 1970-5-8 P 17 Riverside Western Colorado Desert, 100 meters SE of Calif. State Hwy 195, 8.9 m. E. of the ['All American'] Coachella Canal 293 Comment
  UCR64098  Chilopsis linearis Karen Bellinfante 1989-6-1 01 Riverside San Jacinto, Soboba Rd 0.5 mi east of intersection with Sanderson (Hwy 79) 549 Comment
  SEINET12267883  Chilopsis linearis Unknown 1936-1 12874 Riverside Colorado Desert N of Palm Springs Comment
  RSA248048  Chilopsis linearis subsp. arcuata C. W. Tilforth 1973-5-30 43577 Riverside Colorado Desert: Mouth of Morongo Valley at N. end of Coachela Valley 549 Comment
  UC219074  Chilopsis linearis subsp. arcuata unknown May 1 1906-May 10 1906 170 a6740 Riverside Palm Springs Colorado Desert, Palm Springs Comment
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Apr 17 2011
  SEINET10898022  Chilopsis linearis subsp. arcuata Frank Almeda 1976-6-5 Almeda 2826 Riverside Rocky wash with shrubby vegetation ca 4-5 mi N of Interstate Hwy. #10 off of Whitewater Canyon Road. Comment
  UC1100193  Chloris virgata Malcolm A. Nobs and S. Galen Smith 1948-9-3 490 Riverside 2 mi n Indio; Imperial Valley Comment
  UCR113856  Chloris virgata Mitch Provance 2000-6-24 2038 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA607345  Chorizanthe R. S. Woglum 1937-5-22 526 Riverside Temecula. Comment
  CLARK-A1045-145  Chorizanthe brevicornu George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert, 15' Q; Blackburn Canyon, 7.5' Q Comment
  SEINET7063566  Chorizanthe brevicornu A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  UCR72194  Chorizanthe brevicornu Theo Glenn 1991-5-20 91- 104 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  JOTR16807  Chorizanthe brevicornu var. brevicornu Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  SBBG99602  Chorizanthe brevicornu var. brevicornu W. L. Halvorson 1977-3-8 77 -80 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCD99686  Chorizanthe brevicornu var. brevicornu Geoffrey Levin 1975-4-5 472 Riverside Box Canyon Wash on State Highway 195, 18.3 mi. NE of Jcn. Of 195 and 111 (Mecca). Between Mecca Hills and Orocopia Mts. 30 Comment
  SJSU9098  Chorizanthe corrugata R. C. McGehee 1970-4-15 204 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  UCR59534  Chorizanthe leptoceras Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3619 Riverside Vail Lake, Sandy benches of Kolb Creek drainage, south of Hwy 79 488 Comment
  CAS-BOT-BC516742  Chorizanthe leptotheca Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mts: Alvin Meadows 1467 Comment
  UCR35077  Chorizanthe leptotheca L. B. Ziegler 1967-6-19 162 Riverside San Jacinto Mtns., Bautista Creek Canyon 762 Comment
  UCR170121  Chorizanthe parryi Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 115 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  CAS-BOT-BC252783  Chorizanthe parryi var. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  CAS-BOT-BC252786  Chorizanthe parryi var. parryi James L. Reveal 1988-5-23 6867 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fariview Avenue in Valle Vista, north of teh highway and south of the San Jacinto River 609 Comment
  RSA487196  Chorizanthe parryi var. parryi James L. Reveal 1988-5-23 6867 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  SD247476  Chorizanthe parryi var. parryi Andy Sanders, J. Schweitzer, K. Young 2015-3-24 41473 Riverside San Gorgonio Pass: north of San Gorgonio River wash, 3.1 miles due east of Cabazon, south of I-10 and 1.1 miles ENE (77 degrees) of water bottling plant, north edge of wind farm. 451 Comment
  UCR189567  Chorizanthe polygonoides var. longispina Andrea Salzman 2006-4-13 066 Riverside Peninsular Range, Lake Skinner; c. 500 m west of Warren Rd by equestrian trial Comment
  UCR217540  Chorizanthe polygonoides var. longispina Diane Menuz 2008-3-24 376 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  UCR256742  Chorizanthe polygonoides var. longispina T. B. Salvato, Matthew Malle 2013-4-11 7531 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  RSA559322  Chorizanthe procumbens Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7365 Riverside Southern Santa Ana Moutains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
  CAS-BOT-BC246234  Chorizanthe rigida John H. Thomas 1957-3-30 6530 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. Colorado Desert. 518 Comment
  RSA392740  Chorizanthe rigida N. C. Cooper 1949-4-8 3305 Riverside Desert Center. 610 Comment
  RSA735859  Chorizanthe staticoides Scott D. White, Justin M. Wood 2008-4-16 11886 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  UCR92497  Chorizanthe staticoides Michael A. Patten 1993-6-23 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau (northern), Los Alamos Canyon at western end of Avenida La Cresta 610 Comment
  JOTR30969  Chorizanthe watsonii La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1943 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UCR261484  Chorizanthe xanti subsp. leucotheca A. C. Sanders, Katie Young, John Hale 2015-4-22 41587 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  RSA0097129  Chorizanthe xanti var. leucotheca Marc A. Baker 2015-7-9 18402 Riverside San Gorgonio Pass, 32 km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4 km ENE of Banning. 638 Comment
  SEINET10445990 Image available Chorizanthe xanti var. leucotheca Marc A. Baker 2015-4-14 18317 Riverside San Gorgonio Pass, 4.2km east of the San Gorgonio River, 28km WNW of Palm Springs 640 Comment
  POM14740  Chrysothamnus paniculatus F. W. Peirson 1922-12-26 3331 Riverside Cabazon, San Gorgonio Pass Comment
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Mar 13 2011
  UC874207  Chylismia brevipes I. W. Clokey 1935-4-17 6763 Riverside mesa Shafer Wells-Cottonwood Springs 25 Comment
  RSA0043054  Chylismia cardiophylla subsp. cardiophylla Duncan S. Bell, Evan Meyer 2014-4-1 6487 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  UC19967  Chylismia cardiophylla subsp. cardiophylla S. B. Parish Apr 4 1896-Apr 13 1896 4118 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  UC68583  Chylismia cardiophylla subsp. cardiophylla H. M. Hall Apr. 1905 5822 Riverside Indio Mt. Colorado Desert 152 Comment
  OBI30389  Chylismia claviformis T. Pringle 1966-2-22 22 Riverside Colorado Desert, along hwy 60, 1 mi SE of Garnet Comment
  UCSB4429  Chylismia claviformis Haller, John 1958-3-22 Riverside S. of Hwys 60, 70; 5.8 miles E. of Desert Center Comment
  CAS-BOT-BC160637  Chylismia claviformis subsp. aurantiaca J. H. Thomas 1949-4-22 420 Riverside 7 miles east of [Blyth] Blythe Comment
  UC1184368  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11746 Riverside US Hwy 95 8.6 mi n Blythe Comment
  UC635282  Chylismia claviformis subsp. aurantiaca H. L. Mason 1928-3-11 4242 Riverside desert flats near Indio Comment
  UCR3249  Cirsium occidentale var. californicum Bob Brownell 1964-5-15 s.n. Riverside 4.5 mi from Washington Avenue, Colton, up Reche Canyon Rd 366 Comment
  RSA501001  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3120 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  POM46849  Cistanthe monandra H. M. Hall 1904-5-19 4944 Riverside Fairmont Park. Comment
  RSA329670  Cistanthe monandra Gary D. Wallace 1966-3-26 250 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat l For. 427 Comment
  RSA771030  Cistanthe monandra Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4537 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR86013  Cladium californicum A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15878 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  CLARK-A1528-641  Clarkia cylindrica I. Rauch 1968-5-14 Riverside Santa Ana River Comment
  UCR133429  Clarkia dudleyana Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 206 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  RSA526507  Clarkia epilobioides Steve Boyd, T. S. Ross 1990-5-11 4702 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCD170690  Clarkia epilobioides A. C. Sanders; Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30094 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 488 Comment
  SD140044  Clarkia purpurea Scott White 1993-4-22 1252 Riverside North Alberhill Ranch, in hills North of Walker Canyon. Comment
  SEINET7072848  Clarkia purpurea A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UCR151105  Clarkia purpurea Scott D. White 1999-6-8 7452 Riverside Santa Ana Mtns, Corona, near Bedford Canyon: foothills at E slope of Santa Ana Mtns. ''Joseph Canyon'' wash near a disused quarry 366 Comment
  UCR167861  Clarkia purpurea T. B. Salvato, John F. Green 2004-5-27 658 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR201619  Clarkia purpurea Scott D. White, Justin M. Wood 2008-6-16 12143 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA503426  Clarkia purpurea subsp. quadrivulnera J. D. Olmsted 1962-5-10 3668 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  RSA678429  Clarkia purpurea subsp. quadrivulnera Michael Wall 2003-4-26 297 Riverside South of Diamond Valley, Northeast of Skinner Reservoir, Rawson Canyon. Off Rawson Road, 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  RSA771878  Clarkia similis Steve Boyd 2010-5-28 12288 Riverside Elsinore Peak, northern flank of knoll south of peak, south of Main Divide Road 1037 Comment
  UCR20817  Clarkia similis A. C. Sanders 1980-5-22 1506 Riverside San Jacinto Mtns., Hwy 243, 0.6 mi above the foot of the mtn. at Smith Creek 732 Comment
  UCR220120  Claytonia parviflora D. E. Bramlet 1989-4-7 1819 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  UCR5923  Claytonia parviflora subsp. utahensis Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., Above Fuller Mill Creek, 50 yards up stream from Banning-Idyllwild road 1616 Comment
  UCR16508  Claytonia parviflora subsp. viridis Bill Schultz 1972-5-22 720522- 28 Riverside Peninsular Range, San Jacinto Mtns., Hwy 74, 0.3 miles west of McCall Park turn-off, east side of road 1372 Comment
  UCR16641  Claytonia perfoliata subsp. perfoliata H. C. Sharma 1976-4-26 760426- 04 Riverside about 3 miles south of Washington Street on the side of Mockingbird Canyon 335 Comment
  SD236390  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  UCR12288  Clematis ligusticifolia Paul D. Wood 1971-10-3 s.n. Riverside Riverside, Santa Ana riverbottom area bordering Fairmount Park 244 Comment
  POM363  Clematis pauciflora I. M. Johnston 1918-5-30 2025 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
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Aug 9 2010
  SD80140  Clematis pauciflora Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 367 Riverside Deep Canyon south of Hwy 74, ca. 2 mi up water service road, below crossing; north slope Santa Rosa Mountains. 1310 Comment
  UCR138641  Clematis pauciflora D. L. Banks 1997-2-17 1267 Riverside Agua Tibia Mountains, NW Palomar Mountains: NW foothills of Dorland Mtn at the S end of Los Caballos Road the University of California-Emerson Oaks Reserve. The westernmost portion of the Preserve, south of a large, privately owned citrus grove 506 Comment
  POM294294  Cleome isomeris Lyman Benson 1949-3-28 13583 Riverside 10 miles northeast of Palm Springs. Colorado Desert. 335 Comment
  RSA440813  Cleome isomeris T. S. Clare 1931-01 s.n. Riverside Colorado Desert. Comment
  SDSU13524  Cnicus benedictus W. Miller with C. Mosse 1972-8-9 Riverside Comment
  POM19573  Collinsia concolor Mary F. Spencer 1923-6-9 2166 Riverside In Idyllwild. 1646 Comment
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Oct 22 2011
  RSA0117458  Collinsia concolor Duncan S. Bell, Joy D. England 2010-5-20 1027 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  SFV22081  Collinsia concolor D. S. Bell, V. Arvizu 2010-5-24 1100 Riverside San Jacinto Mountains Garner Valley, about 3 air miles southeast of junction of USFS Road 6S04 and USFS Road 6S13. 1386 Comment
  UCR20883  Collinsia concolor A. C. Sanders 1978-7-3 999 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA0117410  Collinsia concolor R. C. Bacigalupi, Gene Newcomb 1954-4-25 4401 Riverside First-year 'burn' along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  POM4203  Collinsia heterophylla Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  SEINET13394112  Collinsia heterophylla H. M. Hall 1903-1 3825 Riverside Vicinity of Riverside. 335 Comment
  UC52439  Collomia grandiflora Miss Ella Foster 1897-5-12 530 Riverside N. Fork S. Jacinto River San Jacinto Mt. Comment
  RSA535155  Convolvulus simulans Steve Boyd, Timothy S. Ross 1991-6-14 6405 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, rolling hills just SW of jtn of Briggs Rd and Scott Rd. Comment
  SEINET13682285  Cordylanthus rigidus J. VanDeventer 1903-1 15 Riverside San Jacinto Mountains. Comment
  RSA0030791  Cordylanthus rigidus subsp. setiger J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  RSA160875  Coreopsis californica Percy C. Everett 1962-4-13 24451 Riverside Temescal Canyon, Hwy 71, 0.5 miles S entrance to Glen Ivy. Comment
  RSA395352  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  UC895238  Corethrogyne filaginifolia Carl B. Wolf 1932-8-4 3919 Riverside near Idyllwild; San Jacinto Mts., Point View Comment
  UCR126976  Crassula connata A. C. Sanders, T. B. Salvato 2003-5-9 26588 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR150443  Crassula connata John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  UCR22072  Crassula connata Steve Boyd 1980-4-27 133 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR275579  Cressa truxillensis T. B. Salvato, Jennifer Weiland 2005-6-13 605- 6 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  RSA314659  Crossosoma bigelovii R. F. Thorne 1983-4-23 55477 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  POM87335  Croton californicus Marcus E. Jones 1903-5-11 A.M. Riverside Banning. 701 Comment
  RSA651891  Croton californicus Marion P. Harthill 1971-3-19 10 Riverside Palm Desert. Comment
  RSA785629  Croton californicus Doris Bowers 1972-4-15 1821 Riverside Pulgas Creek Rd. Rancho California 396 Comment
  SBBG67674  Croton californicus M. N. Ackley 1928-4-4 341 Riverside near Edom 64 Comment
  UC303792  Croton californicus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert 228 Comment
  CLARK-A1528-2689  Croton californicus var. tenuis John C. Roos 1951-9-25 5297 Riverside Santa Ana River 259 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
  UCR85590  Crypsis vaginiflora Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1431 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  POM368207  Cryptantha angustifolia N. C. Cooper 1949-4-8 3268 Riverside Mecca Pass east of Indio. 610 Comment
  RSA339316  Cryptantha angustifolia R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54028 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  SD224872  Cryptantha angustifolia G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2652 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. Almost barren hills just beyond creosote bush scrub. 100 Comment
  SEINET3004972  Cryptantha angustifolia G. Rink 2011-3-28 10398 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 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
  UCR89569  Cryptantha angustifolia George K. Helmkamp 1994-3-10 42 11 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  SEINET10455557  Cryptantha barbigera David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3708 Riverside Borage. Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  JOTR35277  Cryptantha barbigera var. fergusoniae Andre, Jim 2012-4-16 20975 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  JOTR29362  Cryptantha circumscissa La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1439 Riverside Joshua Tree National Park. Long Canyon; Stop 1, south end of Long Canyon, near Park boundary 547 Comment
  UCR84889  Cryptantha circumscissa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16131 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  JEPS86509  Cryptantha clevelandii Roy E. Buck 1988-4-1 865 Riverside 7 air km w Lake Elsinore (town) (on e-facing slope above CA Hwy 74, near top of grade w of Lake Elsinore, ca 2.0 air km nw of confluence of Harlan Canyon & Johnson Canyon drainages); Elsinore Mountains 780 Comment
  UCR162544  Cryptantha corollata John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  RSA780960  Cryptantha costata Stephanie Rockwood, Christi Gabriel 2011-12-14 219 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  SEINET3005006  Cryptantha costata G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10435 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  RSA0078965  Cryptantha cycloptera Scott D. White 2001-4-3 8275 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  HSC3605  Cryptantha flavoculata R. A. Eagle 1964-3-28 19 Riverside 5 mi. out of Palm Springs on the Thunderbird Rd. Comment
  RSA495466  Cryptantha intermedia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2997 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR113214  Cryptantha intermedia A. C. Sanders 1998-1-15 21641 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR187471  Cryptantha intermedia Diane Menuz 2006-5-16 091 Riverside Peninsular Range, Tule Creek watershed off Happy Valley Road, Dry Ranch, 2.5 miles NE of Aguanga 738 Comment
  UCR214429  Cryptantha maritima A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37496 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
  UCR281023  Cryptantha maritima Fred M. Roberts 2016-3-5 8001 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  SEINET4558667  Cryptantha micrantha subsp. lepida Peter Kamb 1950-1 1908 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  RSA778529  Cryptantha micrantha var. micrantha Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 952 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  RSA583721  Cryptantha micromeres Steve Boyd 1995-4-24 8474 B Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  RSA543887  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  RSA543909  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-22 6282 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA674928  Cryptantha microstachys Scott D. White, P. De Vries 2000-4-25 7724 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  SBBG120595  Cryptantha microstachys A. C. Sanders 2006-5-19 32441 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  SBBG53761  Cryptantha microstachys S. Boyd 1980-5-28 Riverside Harford Springs County Park, located on the NW corner of the Gavilan Plateau, E side of Gavilan rd Comment
  SD136880  Cryptantha muricata Steve Boyd, Tim Ross 1992-5-15 7409 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; vicinity of the junction of Tenaja and Morgan Trails. 669 Comment
  SEINET3084442 Image available Cryptantha muricata Andrew C. Sanders 1986-6-1 6537 Riverside San Jacinto Mountains.; trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista Road 1707 Comment
  UCR252599  Cryptantha muricata T. B. Salvato, Matthew Malle 2013-4-4 7500 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  RSA0079262  Cryptantha muricata var. jonesii Scott D. White 1999-5-24 7397 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
  SEINET3225524 Image available Cryptantha pterocarya A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37476 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5. Q) 204 Comment
  JOTR35073  Cryptantha pterocarya var. pterocarya La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3525 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA0079114  Cryptantha pterocarya var. pterocarya Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6922 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  GMDRC5833  Cryptantha pterocarya var. stenoloba J. M. Andre 2013-3-27 24800 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  SDSU20929  Cryptantha pterocarya var. stenoloba J. M. Andre 2013-3-27 24800 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. South of Rice (Hwy 62). Elev: 793 ft. NAD83 N34 03.191' W114 51.788' 7.5' Quad: Rice. 242 Comment
  UC217942  Cryptantha racemosa P. A. Munz, D. Keck 1922-4-9 4829 Riverside s base Eagle Mts.; Colorado Desert 228 Comment
  POM98012  Cryptantha racemosa E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts, Eastern 884 Comment
  SDSU18704  Cryptantha utahensis Kristen Hasenstab, M. G. Simpson 2008-4-2 63 Riverside Joshua Tree National Park. Southeast end of Hidden Valley, 350 ft east of Hidden Valley Nature Loop trail, hidden from the trail by a large formation of rocks. 0.26 miles west of Hidden Valey Picnic Area. Plant was located under a Pinus monophylla. 1322 Comment
  SEINET241495  Cryptantha utahensis A. C. Sanders 2001-4-8 23985 Riverside Western Colorado Desert: Coachella Vlly, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic A, N of flood ditc 347 Comment
  UCR25962  Cryptantha utahensis John C. Roos 1948-5-1 3816 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater, N slope on a mountainside 549 Comment
  UCR271362  Cucurbita foetidissima A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42465 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 canyon south of the lab near old original house site 475 Comment
  RSA0097133  Cuscuta californica Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18360 Riverside 2.5 km NNW of central Beaumont, 42 km ENE of central Riverside. 785 Comment
  UCR193908  Cuscuta californica A. C. Sanders, Mitch Provance 2008-7-11 35774 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  RSA614688  Cuscuta ceanothi A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15792 Riverside (N slope): nameless tributary of Azalea Creek, Twin Pines Creek drainage. 1192 Comment
  CLARK-A1528-410  Cycloloma atriplicifolium Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  LA204499  Cylindropuntia munzii A. C. Sanders; et. al. 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd. 5.2 mi. W of Graham Pass Rd., S side of the Chuckwalla Mountains Comment
  HSC46678  Cylindropuntia ramosissima B. C. Templeton Apr 1965 10526 Riverside Joshua Tree Comment
  UCR104908  Cynodon dactylon A. C. Sanders 1997-3-19 20039 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  POM319702  Cyperus eragrostis Patricia Wilder 1971-11-11 5289 Riverside Along Santa Ana River, Santa Ana River Drainage Area. 229 Comment
  UC698412  Cyperus rotundus unknown 1920-12-11 Riverside Thermal Comment
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Apr 6 2011
  UCR142028  Cyperus rotundus A. C. Sanders, Et al. 1995-3-12 16036 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCSB38376  Cyperus rotundus G. Poinar 1962-10-19 2 Riverside IN ORANGE GROVE RIVERSIDE Comment
  SEINET13203147 Image available Cyperus squarrosus T. B. Salvato, Melissa Clemons 2005-1 1420 Riverside Peninsular Range: Gavilan Hills, c. 0.75 mile south-southeast of Stelle Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore (Lake Elsinore 7.5' Q.) 579 Comment
  CLARK-A1528-2767  Dalea emoryi John C. Roos 1966-5-2 Riverside Palm Springs Comment
  RSA0124740  Dalea mollis Duncan S. Bell, LeRoy Gross 2016-3-9 8845 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  POM310161  Dalea mollissima Hulda Crooks 1946-3-2 269 Riverside Palm Springs area. 139 Comment
  UCR74373  Dalea mollissima Theo Glenn 1991-5-2 91- 17 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA795515  Dasyochloa pulchella C. P. Cowan 1978-4-23 1186 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  POM122285  Datisca glomerata Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  RSA526086  Datisca glomerata Steve Boyd, Timothy S. Ross 1990-5-11 4659 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UC69226  Datisca glomerata F. M. Reed 1905-7-4 816 Riverside Coldwater Canyon, vicinity of Riverside Coldwater Canyon Comment
  GMDRC5489  Datura discolor J. Andre 2012-4-16 20899 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  IRVC28825  Datura discolor Mark A. Elvin 2005-4-26 4234 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  POM292766  Datura discolor Lyman D. Benson, Robert Benson 1952-4-8 14859 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  UCR233152A  Datura discolor Jim Andre, Glenn L. Clifton 2011-2-22 17460 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA263731  Daucus pusillus E. W. Lathrop 1966-5-8 6517 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA500208  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3535 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA619540  Daucus pusillus D. L. Banks 1997-5-5 1989 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
  OBI5733  Deinandra fasciculata C. M. Wilder 2004-6-4 s.n. Riverside Jurupa Hills near Riverside, Wilder's Cyn Comment
  UC63237  Deinandra kelloggii H. M. Hall Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  SD232612  Deinandra mohavensis Jeri Hirshberg 1995-9-13 Riverside San Jacinto Mountains: seeps and drainages at the edge of the road to Hungry Hollow from Hwy 243, ca. 0.75 mi. SSE of Poppet Flat Rd. jct. with /243, ca 1 mi. E of Poppet Flat. 1219 Comment
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Feb 4 2015
  UC297879  Deinandra paniculata David D. Keck 1926-9-30 264 Riverside 9.7 mi n Perris Comment
  UC64119  Delphinium parishii H. M. Hall June 1901 2161 Riverside e base of mts along borders of Colorado Desert; San Jacinto Mountains Comment
  UCR205021  Delphinium parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert, East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station 366 Comment
  UC1031411  Delphinium parishii subsp. parishii H. Lewis and C. Epling 1941-5-2 Riverside White Tank Joshua Tree Nat'l Mon. Comment
  RSA0020491  Delphinium parishii subsp. parishii Donald A. Johansen, Joseph A. Ewan 1932-4-10 7094 Riverside Mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  SD138818  Delphinium parishii subsp. subglobosum Craig Reiser 1993-5-17 Riverside West of Santa Rosa Mountain, near head of Nance Canyon and Coyote Creek Comment
  RSA278308  Delphinium parryi C. W. Tilforth, Walter Wisura 1979-5-23 1805 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  RSA395914  Delphinium parryi Steve Boyd 1986-4-22 1766 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA387359  Delphinium parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  CAS-BOT-BC121437  Delphinium parryi subsp. parryi Marion L. Campbell 1921-3-26 57 Riverside Banning Comment
  UC9162  Delphinium parryi subsp. parryi H. M. Hall June 1901 2171 Riverside In the Meadows of Thomas Valley 1371 Comment
  RSA0018961  Delphinium parryi subsp. parryi Robert L. Rutherford 1944-6-17 1431 Riverside San Jacinto Mtns. West side. 1524 Comment
  JEPS60625  Delphinium patens subsp. hepaticoideum W. L. Jepson 1901-5-19 1289 Riverside Strawberry Valley Comment
  RSA0013137  Deschampsia danthonioides LeRoy Gross, Caitlin Elam 2013-5-14 6076 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA563862  Deschampsia danthonioides A. C. Sanders 1993-5-12 14017 Riverside Hemet, W side of Warren road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Road. 457 Comment
  SD140226  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside Western edge of Hemet; along south side of Devonshire ave, between Old Warren and Warren roads; southwest of Tres Cerritos and north of Florida ave (highway 74) 459 Comment
  UCR60714  Deschampsia danthonioides var. gracilis R. F. Thorne 1973-5-23 43872 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA799237  Descurainia pinnata subsp. glabra Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 745 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
  UC455326  Dicentra chrysantha I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. Comment
  UCR133391  Dicentra chrysantha Tracy Tennant, T. B. Salvato 1998-6-23 484 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR154826  Dichelostemma capitatum A. C. Sanders, Mike Misenhelter 2005-3-23 29275 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR829  Dichelostemma capitatum subsp. capitatum Robert A. Hawthorne 1957-3-2 s.n. Riverside Citrus Experiment Station [UCR Agricultural Operations fields], orange grove E [N or S] of Pennsylvania Ave. 262 Comment
  POM356427  Dicoria canescens C. S. wasters 1909-6-20 s.n. Riverside Palm Springs. Comment
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Oct 10 2009
  RSA696746  Dicoria canescens J. Russell Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  UC1177917  Dicoria canescens S. Galen Smith 1948-1-1 344 Riverside 10 mi n Coachella Comment
  UCR109571  Dicoria canescens R. D. Goeden, Don W. Ricker 1986-5-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  SD139997  Diplacus aurantiacus Scott White 1993-3-15 1188 Riverside Elsinore; Highway 74, just west of NW corner of Lake Elsinore Comment
  SEINET13693555  Diplacus aurantiacus N. D. Atwood 1993-3-26 17662 Riverside Santa Ana Mountains, along Hwy 74, 1.5 miles S of Lake Elsinore. 671 Comment
  CAS-BOT-BC150929  Diplacus bigelovii var. bigelovii H. M. Hall 1905-5-1 6011 Riverside Cottonwood Springs 670 Comment
  CAS-BOT-BC153094  Diplacus fremontii Peter H. Raven; R. Snow 1957-7-26 11121 Riverside 1.8 mi. above Lake Fulmor San Jacinto Mts. Comment
  RSA0019411  Diplacus fremontii P. A. Munz 1927-5-21 10865 Riverside Coahuila. Comment
  RSA0019422  Diplacus fremontii N. C. Cooper 1944-5-21 1224 Riverside San Jacinto Mtns. West Side. 915 Comment
  CAS-BOT-BC150681  Diplacus longiflorus C. L. Hitchcock 1940-4-12 6044 Riverside 8 mi. northwest of Elsinore 457 Comment
  CAS-BOT-BC195675  Distichlis spicata Frank W. Peirson 1922-4-9 4331 Riverside Murray Canyon, Colorado Desert Comment
  RSA0012650  Distichlis spicata LeRoy Gross, Caitlin Elam 2013-5-14 6077 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., Started near 33.66575N, 116.66716W. 1332 Comment
  RSA690986  Ditaxis neomexicana Scott D. White, Michael Honer 2003-5-15 9309 Riverside Bajada below Little Maria/ Big Maria Mtns. near Inca RR siding, ca. 15 air miles NW of Blythe. 61 Comment
  CDA24811  Dithyrea californica M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  RSA697423  Dithyrea californica J. R. Bruff 1927-3-12 2 -R Riverside Fingal Comment
  SD2008  Dithyrea californica Ruth B. Randall 1922-4-10 Riverside Coachella Valley, Reed Ranch Comment
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Nov 19 2011
  RSA487199  Dodecahema leptoceras James L. Reveal 1988-5-23 6863 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  UC456194  Dodecatheon alpinum I. J. Condit 1910-6-21 Riverside Tahquitz Camp San Jacinto Mts., Tahquitz Camp 2438 Comment
  RSA557896  Dodecatheon clevelandii Steve Boyd, Orlando Mistretta 1992-4-22 7020 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
  UCR41829  Draba cuneifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6118 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA530889  Draba saxosa L. C. Wheeler 1931-10-3 192 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  IRVC138  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-6-6 SJ 249 Riverside San Jacinto Mountains; Indian Creek. Peninsular Ranges 640 Comment
  UCR262566  Dryopteris arguta T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3755 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  SEINET13709264  Dryopteris arguta J. Adams, J. Adams (Botany) 1966-1 746 Riverside Santa Rosa Plateau, Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  UCR262569  Dudleya pulverulenta T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3752 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  CAS-BOT-BC109613  Dudleya saxosa subsp. aloides D. A. Johansen; J. A. Ewan 1932-4-10 7062 Riverside Warners Ranch at Whitewater Western Colorado Desert. Comment
  GMDRC3987  Dudleya saxosa subsp. aloides J. Andre, T. La Doux 2006-4-26 11771 Riverside Little San Bernardino Mountains: upper Long Canyon (western drainage), growing on rocky slope in decomposed granite 1165 Comment
  POM229021  Dudleya saxosa subsp. aloides P. A. Munz 1937-5-31 15119 Riverside Head of Coyote canyon 1067 Comment
  RSA0125253  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4488 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  UCR110374  Echinochloa crus-galli A. C. Sanders, Mitch Provance 1999-9-26 23118 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR7730  Echinochloa crus-galli Frank C. Vasek 1967-10-8 s.n. Riverside Riverside, residence of Dr. F.C. Vasek, Sandalwood Ct. 335 Comment
  SEINET3082987 Image available Echinocystis macrocarpa Norman C. Cooper 1947-4-4 2026 Riverside Los Alamos Canyon, Elsinore. Comment
  SD204751  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55212 Riverside Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  RSA593896  Eleocharis palustris Steve Boyd, David E. Bramlet 1996-4-19 8612 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  CAS-BOT-BC113296  Eleocharis parishii Steven D. Boyd; Aydee Virgen 2004-4-13 10880 Riverside San Mateo Canyon, midway between confluence with Los Almos and Tenaja Canyons. Comment
  SBBG119911  Eleocharis parishii A. C. Sanders with O. F. Clarke 1991-6-10 11126 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UC839226  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake 1320 Comment
  CDA19961  Eleusine indica J. Chandler 2002-9-4 PDR P 168849 Riverside Southwestern California; Growing around faucet used to wash Road Dept vehicles on Washington St, Riverside. 0 Comment
  UCR117076  Elymus condensatus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24226 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  RSA0120235  Elymus elymoides Duncan S. Bell, Thomas Stoughton 2016-4-14 9283 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  UC38191  Elymus glaucus H. M. Hall 1901-7-20 2515 Riverside vicinity of Strawberry Valley San Jacinto Mts. 1615 Comment
  RSA192306  Elymus glaucus subsp. glaucus E. W. Lathrop 1966-4-13 6173 Riverside 3.0 miles SW of Murrieta. Comment
  SD136948  Elymus multisetus Steve Boyd, Tim Ross 1992-6-10 7628 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. About Potrero Escondido, due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UC56881  Emmenanthe penduliflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Palm Canyon 457 Comment
  UCR21904  Encelia californica Steve Boyd 1980-5-11 253 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
  JEPS30464  Encelia farinosa Peter H. Raven 1958-1-23 11413 Riverside 2.7 mi w of Whitewater Post Office Comment
  LA34769  Encelia farinosa Mary V. Hood; 1942-6-13 42- 46 k* Riverside road from Temecula to Aguanga 426 Comment
  SD239587  Encelia farinosa A. C. Sanders 2010-11-18 38691 Riverside Peninsular Range; western Gavilan Hills: eastern edge of Corona, north end of radio tower ridge, 1.85 mi. NNE (25a^z) of El Cerrito, 1 mi. SSE (143a^z) of Home Gardens, just east of large rock quarry. 398 Comment
  UC1118072  Encelia farinosa A. Lewis 1933-1-28 143 Riverside San Jacinto Quadrangle, Reservoire Butte 579 Comment
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Oct 30 2011
  UC1292317  Encelia farinosa C. L. Hitchcock and C. V. Muhlick 1964-3-17 23077 Riverside 8 mi se Corona (along road to Elsinore) Comment
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Oct 16 2011
  UCD131203  Encelia farinosa Curtis Clark 1975-3-22 452 Riverside road to Joshua Tree National Monument, north of Interstate Highway 10, south of Monument boundary. Comment
  UCR138725  Encelia farinosa Julie A. Greene 1993-4-10 1129 Riverside San Jacinto Wildlife Area 476 Comment
  UCR147746  Encelia farinosa Steve Boyd, Et al. 2004-5-14 11255 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR91469  Encelia farinosa Scott D. White 1995-3-30 2682 Riverside San Jacinto Valley, Moreno Valley: base of Badlands slopes, north of Highland Blvd & west of Theodore St 579 Comment
  RSA0045152  Encelia farinosa Andrew Haimov, April Sleigh 1992-5-10 84 Riverside East side of Davis Road, 3 miles south of Allessandro Road, bordering San Jacinto Wildlife Area. Comment
  POM356691  Encelia farinosa var. farinosa Christopher Davidson, Robert Gustafson 1977-4-7 5569 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
  CAS-BOT-BC131422  Encelia frutescens H. M. Hall 1905-4-1 5939 Riverside McCoy Wash 91 Comment
  RSA383798  Ephedra aspera E. C. Jaeger 1922-3-26 747 Riverside Murray Canon, near Palm Springs, California. 365 Comment
  RSA85057  Ephedra aspera F. W. Peirson 1922-4-9 3339 Riverside Andreas Canyon near Palm Springs. 426 Comment
  CAS-BOT-BC81549  Ephedra californica Munz; Street; Williams 1919-3-25 2310 Riverside [Whitewater] White Water 304 Comment
  POM156452  Ephedra californica L. R. Abrams 1903-4-6 3204 Riverside Palm Springs. Comment
  RSA383874  Ephedra californica A. Menke 1955-5-22 s.n. Riverside Palm Springs Station. Comment
  UCSB9561  Ephedra californica Garrett, S. 1956-4-14 Riverside Desert area in town of White Water mouth of White Water Cyn. Comment
  SEINET8714360 Image available Ephedra californica F. A. Thackery 1928-1 254 A Riverside White Water Comment
  SD27998  Ephedra trifurca Carl B. Wolf 1932-4-29 Riverside 3 miles south of Rice on Blythe Road 214 Comment
  CAS-BOT-BC171743  Epilobium canum subsp. latifolium F. W. Peirson 1922-12-27 3336 Riverside Andreas Canyon between forks and at North Fork, where trail branch comes down, Colorado Desert Comment
  CAS-BOT-BC171746  Epilobium canum subsp. latifolium Lewis S. Rose 1945-12-28 45340 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert 213 Comment
  JOTR36392  Epilobium canum subsp. latifolium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3345 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  RSA544384  Epilobium canum subsp. latifolium Steve Boyd, T. S. Ross 1991-6-14 6399 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA588501  Epilobium canum subsp. latifolium H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon 541 Comment
  UCR4661  Epilobium ciliatum Frank C. Vasek 1964-7-25 640725- 08 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  SBBG60174  Epilobium ciliatum subsp. ciliatum R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  GMDRC6579  Epilobium densiflorum J. M. Andre 2012-6-15 30541 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  UCR90616  Epilobium densiflorum Scott D. White 1995-6-29 3404 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA162773  Epilobium glaberrimum subsp. glaberrimum J. D. Olmsted 1959-7-3 s.n. Riverside Strawberry Cr. below dropoff below Isomata belowIdyllwild. Alt: 4700 ft. 1433 Comment
  SD3266  Epilobium oregonense Fidella G. Woodcock 5/1920 Riverside Water tank in Tahquitz or Chino Canyon. Colorado Desert. Comment
  SD197838  Epilobium pygmaeum Karin Cleary-Rose, G. Nuhn 1995-7-20 Riverside Perris-Aguanga Basin: west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Avenue, at south end of Hyatt Avenue, west of the San Diego Aqueduct. 456 Comment
  POM965  Equisetum arvense L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
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Apr 16 2011
  RSA741435  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-6-18 12250 Riverside Meadow N/W of Keen Camp Summit, SW of hwy 79. 1402 Comment
  SBBG89536  Equisetum telmateia subsp. braunii J. Adams 1966-4-28 744 Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  UCR2390  Eragrostis pectinacea var. pectinacea F. M. Reed 1907-9-10 1908 Riverside City of Riverside. Little Arroyo on Bluffs Ranch. [Bluffs Ranch was located along Arroyo Tesquesquite at Chicago Ave.] 293 Comment
  UCR251669  Eremalche rotundifolia Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 766 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  POM12813  Eremogone ferrisiae P. A. Munz 1922-6-23 5789 Riverside 2 miles below Kenworthy, Hemet Valley. 1372 Comment
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Mar 25 2011
  CAS-BOT-BC160058  Eremothera boothii subsp. condensata L. A. Greata 1905-4-1 432 Riverside Coachella Comment
  GMDRC9796  Eremothera boothii subsp. condensata J. M. Andre 2017-3-1 37998 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  UC310586  Eremothera refracta Philip A. Munz 1926-1-31 9947 Riverside Dos Palmos Spring Colorado Desert Comment
  UC449746  Eriastrum densifolium subsp. austromontanum F. M. Reed 1908-7-14 2459 Riverside Tahquitz Mt. San Jacinto Mts. 2529 Comment
  CDA11960  Eriastrum densifolium subsp. elongatum G. F. Hrusa 1993-6-24 11239 Riverside Southern California; Along Hwy 371 ~5 m. N of Jtn w/Hwy 79. Comment
  RSA0104869  Eriastrum densifolium subsp. elongatum Mark Brunell 1993-5-29 123 Riverside San Jacinto Mtns: Old Banning-Idyllwild Road .4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road. Adjacent to pasture. Population voucher: Banning. 683 Comment
  RSA0110541  Eriastrum densifolium subsp. elongatum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3651 A Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  UCR144153  Eriastrum eremicum Scott D. White, Michael Honer 2003-4-25 9093 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCSB41261  Eriastrum eremicum Cowan, Clark 1978-6-23 Riverside 6.3 mi. S. on Hwy 74 from its jct. with Hwy 111 at Indian Wells; Whittaker transect #W 219 480 Comment
  UC666379  Eriastrum eremicum subsp. eremicum Annie M. Alexander and Louise Kellogg 1941-6-1 2265 Riverside Intersection of Morongo and main highway. 243 Comment
  CAS-BOT-BC514471  Eriastrum eremicum subsp. eremicum K. Larson 1976-6-8 2041 Riverside 20 mi SW of Desert Center 609 Comment
  CAS-BOT-BC514519  Eriastrum pluriflorum subsp. albifaux Fay A. Mac Fadden 1935-6-1 14161 Riverside Near Red Canyon Comment
  UCR135990  Eriastrum sapphirinum Virginia Moran 2003-7-17 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
  OBI033505  Eriastrum sapphirinum subsp. dasyanthum R. Thomasson 1973-5-30 Riverside Box Springs Mtns., Box Springs Mtn. Rd. 1 mi. from Pigeon Pass Rd., dry, flat area 686 Comment
  RSA0122950  Eriastrum sapphirinum subsp. dasyanthum C. W. Tilforth 1969-7-24 213 Riverside About 5 mi. south of Hemet, east of County Highway R-3. Comment
  RSA597062  Ericameria brachylepis D. L. Banks, Lauren Raz 1996-11-5 1147 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  LA202469  Ericameria linearifolia J. Warren; sn Riverside Palm Springs 457 Comment
  UC667299  Ericameria linearifolia Annie M. Alexander and Louise Kellogg 1941-5-7 2132 Riverside 12 mi sw of 29 Palms (on hillsides); Joshua Tree National Monument 1310 Comment
  JOTR32832  Ericameria nauseosa var. mohavensis La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1555 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA736981  Ericameria palmeri var. pachylepis Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10666 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR250910  Ericameria palmeri var. pachylepis A. C. Sanders 2014-4-18 41027 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  OBI16776  Ericameria paniculata P. A. Holden 1968-11-24 614 Riverside just W of Desert Hot Springs Comment
  SD144047  Ericameria pinifolia A. C. Sanders, T. Tennant 1997-11-14 21604 Riverside San Bernardino Mtns.: Morongo Indian Reservation, Hathaway Canyon. 854 Comment
  UCR34962  Ericameria pinifolia L. B. Ziegler 1964-10-12 044 Riverside San Jacinto Mtns, Garner (Hemet) Valley. 1372 Comment
  UCR91622  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-17 788 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  UC574882  Erigeron breweri var. covillei C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino, Key's View 1524 Comment
  RSA606237  Erigeron divergens R. S. Woglum 1937-5-22 585 Riverside Santa Rosa Mountains. Comment
  POM357459  Erigeron foliosus Norman C. Cooper 1949-6-29 4302 Riverside East side of San Jacinto Mountains 1524 Comment
  RSA674564  Erigeron foliosus Scott D. White 2000-5-31 7984 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA180465  Erigeron foliosus var. stenophyllus E. W. Lathrop 1960-5-20 4805 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  POM13854  Erigeron philadelphicus P. A. Munz 1922-4-28 5020 Riverside 5 miles NW of Corona. mall branch of Chino Creek. 198 Comment
  CAS-BOT-BC189081  Eriodictyon crassifolium A. C. Sanders; G. Helmkamp 1997-3-15 19987 Riverside Lake Skinner, SE foot of Bachelor Mountain, just N of the lake 600 Comment
  SD229191  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer 2012-5-22 716 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR251891  Eriodictyon crassifolium var. crassifolium 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
  RSA627513  Eriogonum apiculatum Scott D. White, Julie Greene 1998-8-1 6973 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  UCR94612  Eriogonum cithariforme var. agninum G. R. Ballmer, Kay Stockwell 1995-6-24 s.n. Riverside San Jacinto Mountains, along trail from Morris Ranch Rd. to Pacific Crest Trail, near Pyramid Peak 1982 Comment
  JOTR32452  Eriogonum davidsonii Herskovits, Tasya 2011-9-28 2 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  RSA393465  Eriogonum davidsonii M. B. Dunkle 1934-6-18 3999 Riverside Head of San Juan Canyon. 549 Comment
  RSA655085  Eriogonum davidsonii Scott D. White 1999-11-12 7631 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  UCR26621  Eriogonum davidsonii E. W. Lathrop 1966-5-29 6392 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR35100  Eriogonum davidsonii L. B. Ziegler 1964-7-20 32 Riverside San Jacinto Mountains, Garner (Hemet) Valley Comment
  UCR89690  Eriogonum davidsonii G. R. Ballmer 1992-5-17 92 35 Riverside Santa Rosa Mtns, Deep Canyon, trail from Hwy 74 to bottom of canyon, in vicinity of Pinyon Crest 915 Comment
  UCR72240  Eriogonum deflexum Theo Glenn 1991-5-2 91- 124 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  UCR74368  Eriogonum deflexum Theo Glenn 1991-4-30 91- 57 Riverside Sonoran (Colorado) Desert, McCoy Mtns., NW of Blythe 170 Comment
  UC666501  Eriogonum deflexum var. deflexum Annie M. Alexander and Louise Kellogg 1941-5-28 2264 Riverside 2 mi e, in wash next to rocky hills Shaver Summit; Colorado Desert 469 Comment
  UCR35088  Eriogonum elongatum L. B. Ziegler 1967-12-15 270 Riverside San Jacinto Mtns., Foothills of Mtns. In lower Bautista Canyon 610 Comment
  SDSU6569  Eriogonum fasciculatum T. B. Bruhns 1966-6-30 276 Riverside Along road, S side of Lake Mathews. 2N-40 Comment
  SEINET1909578  Eriogonum fasciculatum A. C. Sanders 2004-1 28392 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mi E of Murrieta Rd and 1 mi N of Bundy Canyon Rd, ca 5 miles due south of Sun City 469 Comment
  RSA0123106  Eriogonum fasciculatum var. polifolium Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9013 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  CAS-BOT-BC253493  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2851 Riverside Along California Highway 74, at Strawberry Creek about 5.5 miles west of the junction with Highway 243, San Jacinto Mountains 868 Comment
  CAS-BOT-BC253496  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6602 Riverside Along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River, San Gorgonio Pass 541 Comment
  SD186296  Eriogonum gracile John Green, S. J. Myers 2003-6-25 Riverside French Valley, Greenway site, along Tucalota Creek ca. 1 mile east of Murrieta Hot Springs 395 Comment
  UCR275482  Eriogonum gracile T. B. Salvato, Melissa Clemons 2005-6-9 1511 Riverside Peninsular Range, Gavilan Hills, N/S trending bulldozer track 0.83 mile north of the Nichols Road junction with Hwy 15, and c. 3 miles north of Lake Elsinore 488 Comment
  UCR166711  Eriogonum gracile var. gracile Scott D. White 2005-7-6 11158 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  RSA180361  Eriogonum gracile var. incultum E. W. Lathrop 1960-6-9 4973 Riverside 14 miles west of Murrieta. Comment
  RSA544324  Eriogonum gracile var. incultum Steve Boyd 1991-9-8 6432 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  CAS-BOT-BC257569  Eriogonum inflatum Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  UCSB18617  Eriogonum inflatum Winn, Will 1963-2-23 Riverside top of dike at Avenue 56 and All American Canal; Coachella Valley 6 Comment
  RSA393578  Eriogonum inflatum var. inflatum N. C. Cooper 1949-4-8 3264 Riverside Mecca Pass east of Indio. 610 Comment
  CAS-BOT-BC269788  Eriogonum nudum var. pauciflorum James L. Reveal; Caroline G. Reveal 1972-8-9 2855 Riverside San Jacinto Mountains, along California Highway 74 at the turnoff to the Idyllwild Mile-Hi Trap Club, about 1 mile west of California Highway 243 Comment
  JOTR32630  Eriogonum plumatella La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2553 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  JOTR34363  Eriogonum pusillum Andre, Jim 2012-4-16 20879 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UCR244294  Eriogonum pusillum Jim Andre 2012-4-16 20879 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  POM98981  Eriogonum reniforme E. C. Jaeger 1926-3-20 s.n. Riverside Pinto Mts. 915 Comment
  GMDRC5505  Eriogonum saxatile J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21083 Riverside Little San Bernardino Mountains: Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  CAS-BOT-BC263539  Eriogonum thomasii C. L. Hitchcock 1940-3-31 5890 Riverside Between Cottonwood Springs and Pinto Basin Comment
  POM14064  Eriogonum thomasii P. A. Munz, D. D. Keck 1922-4-9 4869 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UC412849  Eriogonum thomasii S. B. and W. F. Parish Apr 1882 1203 Riverside Agua Caliente Comment
  UCR245231  Eriogonum thomasii Jim Andre 2012-3-19 21320 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCSB23769  Eriogonum thomasii Shaw, Merrilee 1964-4-5 Riverside State Highway 195; 7.3 miles northeast of junction with State Highway 111 at Mecca 106 Comment
  RSA424977  Eriogonum thurberi Lester H. Cushman 1931-10-25 s.n. Riverside Near Riverside. Comment
  RSA500165  Eriogonum thurberi Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3633 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  CAS-BOT-BC263593  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside South of Palm Springs Comment
  CAS-BOT-BC263596  Eriogonum trichopes Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs, Colorado Desert Comment
  SD127319  Eriogonum umbellatum var. munzii Reid Moran 1973-7-28 21105 Riverside N slope of Santa Rosa Mts. 1780 Comment
  CLARK-A1528-3727  Eriogonum wrightii subsp. membranaceum John C. Roos 1943-7-31 2705 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC264927  Eriogonum wrightii var. membranaceum Philip A. Munz 1946-10-19 11565 Riverside Coahuila 1097 Comment
  POM187511  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-10-25 s.n. Riverside The Gavilan Hills. Comment
  RSA593382  Eriogonum wrightii var. membranaceum Scott D. White 1996-7-23 4363 Riverside San Jacinto/ Santa Rosa Mountains: Pine Meadow: Along Hwy 74 just SE of Garner Valley and about 2 road miles NW of jct. w/ Hwy 371. 1418 Comment
  SFV18745  Eriogonum wrightii var. membranaceum J. N. Hogue 2003-9-13 205 .1 Riverside San Jacinto Mountains Hall Canyon, 500 m northeast of Lake Fulmor. James Reserve, University of California. 1645 Comment
  CAS-BOT-BC297338  Eriophyllum confertiflorum Philip A. Munz 1937-5-30 15096 Riverside N of Vandeventer Flat, Santa Rosa Mts 1676 Comment
  CAS-BOT-BC297351  Eriophyllum confertiflorum P. C. Everett 1935-6-18 7185 Riverside Santa Ana Mts, main divide motorway to Santiago Peak, 1 mile from Ortega Highway 731 Comment
  POM357953  Eriophyllum confertiflorum George R. Johnston 1930-6-13 s.n. Riverside Indio Canyon, Ravenna. 1067 Comment
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Nov 8 2011
  RSA124433  Eriophyllum confertiflorum Percy C. Everett 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. N along road to 29 Palms from U.S. Hwy 60/70. 671 Comment
  UCR158521  Eriophyllum confertiflorum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30019 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
  SEINET8753414 Image available Eriophyllum confertiflorum var. trifidum Norman C. Cooper 1944-1 1185 Riverside Banning 701 Comment
  CLARK-A1528-214  Eriophyllum multicaule Steven W. Berthel 1971-5-27 Riverside Box Springs Mountains Comment
  RSA688836  Eriophyllum multicaule Scott D. White, Michael Honer 2003-6-17 9545 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  SEINET7073292  Eriophyllum multicaule A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC71969  Eriophyllum multicaule Miss M. A. King 1893-1 Riverside Menifee Comment
  JOTR32130  Eriophyllum pringlei La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2286 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 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
  UCD132249  Eriophyllum wallacei R. L. Smith 1948-3-25 s.n. Riverside Cabazon. Comment
  UCR225596  Erodium brachycarpum A. C. Sanders, T. B. Salvato 2011-3-29 38878 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  RSA757736  Erodium cicutarium LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4311 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
  SBBG23066  Erodium cicutarium D. Myrick 1965-3-3 1073 Riverside White Tanks, Joshua Tree Nat Monument 762 Comment
  UCR155302  Erodium cicutarium A. C. Sanders 2005-5-4 29839 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR224993  Erodium cicutarium Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 320 m S of East Westward Ave. 628 Comment
  RSA660656  Erodium cicutarium Carol A. Shideler 1981-4-11 12 Riverside Lake Mathews El Cerrito, E on Cajalco Rd, 6 mi. of Corona .5 mi W of Pacifico Clay Company, mi. 52086.2. Comment
  CAS-BOT-BC54336  Erysimum capitatum Carl B. Wolf 1932-8-4 3910 Riverside San Jacinto Mountains. Point View, near Idyllwild. 1645 Comment
  CSUSB513  Erysimum capitatum Jean Texera 1970-4-30 18 Riverside San Jacinto Mountains On Highway 74, 2 miles west of Mountian Center 1280 Comment
  SEINET7072834  Eschscholzia californica A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders about 0.9 miles west of Radec on Route 79 [old 71]. Coordinate datum: WGS84/NAD83. (33? deg. 28' 2" North Latitude, -116? deg. 55' 39" West Longitude, Coordinate datum: NAD27.). Comment
  UC118511  Eschscholzia californica Charlotte M. Wilder June, 1905 651 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  UCR154829  Eschscholzia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29276 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA503429  Eschscholzia californica var. peninsularis J. D. Olmsted 1962-5-10 3661 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  CLARK-A1656-689  Eschscholzia glyptosperma Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  SBBG44510  Eschscholzia glyptosperma Leota Davidson 1966-4-5 288 Riverside off Interstate 10, past Wylie Well, 2 mi past intersection, Chuckawalla Mts 213 Comment
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Oct 23 2011
  CAS-BOT-BC83139  Eschscholzia minutiflora Javier Penalosa 1963-4-11 2815 Riverside Pines to Palms Highway (#74) above Palm Desert. 762 Comment
  NY43343  Eschscholzia minutiflora C. R. Annable 1995-3-15 2282 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  UCD94284  Eschscholzia minutiflora Shannon M. Still 2009-2-21 434 Riverside California. Riverside County. 170 Comment
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Sep 2 2017
  UCR20829  Eschscholzia minutiflora A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1329 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  SEINET3094855 Image available Eschscholzia minutiflora var. darwinensis C. F. Shutts 1949-3-19 58 Riverside Cottonwood Pass, Little San Bernadino Mtns. 305 Comment
  JOTR01022  Eschscholzia parishii Cole, James E. 1941-4-23 637 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 609 Comment
  RSA0010856  Eucalyptus camaldulensis A. C. Sanders 1997-5-1 20613 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
  UCR213615  Eucrypta chrysanthemifolia A. C. Sanders, Matthew Malle 2010-4-23 38009 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR240764  Euphorbia abramsiana Neal Kramer, Wendy McBride, Kyle Christie, Suzanne Rhodes 2012-9-5 2071 Riverside Sonoran (Colorado) Desert, Midland Rd. c. 18 miles NNW of Blythe 245 Comment
  UCR172190  Euphorbia albomarginata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR235095  Euphorbia albomarginata A. C. Sanders, John F. Green 2012-5-27 40198 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, powerline route west of Valley Substation (on Menifee Rd.), N of McLaughlin Rd. on the E side of San Jacinto Rd 441 Comment
  UC1532829  Euphorbia crenulata Robert F. Thorne and Earl Lathrop 1975-5-25 45555 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro (Mesa de Burro) 609 Comment
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Jan 19 2010
  RSA0002689  Euphorbia eremica W. L. Jepson 1914-5-23 6047 Riverside Conchilla Desert 61 Comment
  RSA615334  Euphorbia eriantha George K. Helmkamp 1998-2-18 2691 Riverside Sonoran (Colorado) Desert Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR274183  Euphorbia maculata Dick Newell, Judy Booth 2015-10-25 416 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.62 miles SSE of Hacienda Rd., 0.68 mile NW of Elsinore Peak 932 Comment
  OBI29469  Euphorbia micromera David J. Keil, Melissa Luckow 1979-8-31 13155 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  UCR281920  Euphorbia micromera A. C. Sanders, Jim Malusa 2017-9-21 43351 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  RSA314623  Euphorbia misera R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55410 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCR198567  Euphorbia nutans A. C. Sanders, O. F. Clarke 2008-10-7 36113 Riverside Peninsular Range, Riverside, O.F. Clarke residence, 266 Frost Ct., just east of UCR 360 Comment
  SEINET1004496  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-1 17979 Riverside Coachella Valley: Palm Springs, shopping center at SE corner Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  JEPS44387  Euphorbia palmeri Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4267 Riverside first saddle n Toro Peak; Santa Rosa Mountains 2499 Comment
  POM12863  Euphorbia palmeri P. A. Munz 1922-6-28 5882 Riverside Mts. above Santa Rosa. 2409 Comment
  RSA432447  Euphorbia palmeri Robert L. Dressler 1949-5-8 828 Riverside 5 miles south of Idyllwild, San Jacinto mtns. 1311 Comment
  UCR136915  Euphorbia polycarpa A. C. Sanders, Kerry Knudsen 2004-5-26 27965 Riverside Peninsular Range, Alberhill Mountain, SE of old clay mining area 512 Comment
  UCR180056  Euphorbia polycarpa Mitch Provance 2005-5-18 9819 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  OBI14407  Euphorbia polycarpa var. hirtella Robert F. Hoover 1966-10-15 10162 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  UCR211711  Euphorbia polycarpa var. polycarpa Fred M. Roberts, Michelle Balk 2006-5-1 6324 Riverside Perris Basin, Old Salt Creek watershed, South Hemet Hills, west of California Ave, c. 2.8 km southwest of the west end of Hemet Ryan Airport runway 483 Comment
  CLARK-A1528-2710  Euphorbia setiloba John C. Roos 1947-11-1 Riverside Eagle Mountains Comment
  UCR264457  Euphorbia setiloba A. C. Sanders, Jim Malusa 2015-9-10 41850 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
  RSA407727  Euphorbia spathulata Steve Boyd 1986-5-1 1792 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA561782  Euphorbia spathulata Steve Boyd 1992-4-14 6846 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR163890  Eustoma exaltatum B. G. Pitzer 2001-8-19 4345 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  SBBG3962  Fagonia laevis H. and M. Dearing 1937-4-10 967 Riverside near Hayfield Comment
  SBBG67801  Fagonia laevis S. W. Hutchinson -Feb-1926 1145 Riverside Box Cyn 152 Comment
  UCD107160  Fagonia laevis C. L. Hitchcock 1966-3-16 24209 Riverside Along Palms to Pines Highway, 4 mi. S. of Palm Desert. 609 Comment
  UCR148296  Fagonia laevis John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR214426  Fagonia laevis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37478 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
  UCR91008  Fatoua villosa A. C. Sanders, Steve Morgan 1996-2-23 17955 Riverside Box Springs Mtns., UCR Botanic Garden. Comment
  VVC2909  Festuca microstachys var. pauciflora Tim Thomas, P. J. MacKay 2010-4-12 5040 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCR202438  Festuca myuros Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  JOTR34337  Festuca octoflora Andre, Jim 2012-4-11 20680 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  LA7820  Festuca octoflora A. M. Johnson; 1932-5-27 3920 Riverside 2 mi below Palm Springs Comment
  RSA0123281  Festuca octoflora Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8994 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR267284  Ficus microcarpa R. E. Riefner Jr. 2015-8-8 15- 217 Riverside City of Corona, Corona City Park, east side of Rimpau Ave. on north side of 6th St. 211 Comment
  RSA500099C  Filago gallica Steve Boyd, Tim Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA559935  Filago gallica Steve Boyd 1992-4-15 6885 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Tenaja Trail (5W07) 0.5 mile N of junction with San Mateo Creek, W of Fisherman's Camp 549 Comment
  RSA593702  Filago gallica Steve Boyd, David E. Bramlet 1996-4-19 8624 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
  UCR155830  Filago gallica John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  SEINET7048190  Filago gallica Steven R. Hill, Andrew C. Sanders 2001-5-4 33699 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  UC1280922  Forestiera pubescens H. E. McMinn 1935-6-27 4045 Riverside Pines to Palms Highway Comment
  CAS-BOT-BC384197  Forestiera pubescens subsp. parvifolia Nancy Ryan Zabriskie; Walter Zabriskie 1971-8-20 426 Riverside Canyon above 1st turnout east side Santa Rosa Mountain Rd., 0.6 mi. above Hwy. 74 1524 Comment
  GMDRC6576  Frangula californica subsp. cuspidata J. M. Andre 2012-6-15 30533 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  POM50537  Frankenia grandifolia var. campestris S. B. Parish 1897-5-31 4396 Riverside Elsinore Lake Comment
  UC1931133  Frasera parryi Scott D. White, Justin Wood 2008-6-17 12167 Riverside San Jacinto Mountains: Garner Valley - Kenworthy Station (USFS). (Butterfly Peak) Comment
  RSA588190  Fremontodendron californicum subsp. californicum D. L. Banks, Victor W. Steinmann 1995-7-10 755 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage S of the peak ''Agua''. 915 Comment
  RSA771883  Fritillaria biflora Steve Boyd 2010-5-28 12283 Riverside Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers 1012 Comment
  UCR21979  Fritillaria biflora Steve Boyd 1980-5-3 179 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  SEINET3081970 Image available Funastrum cynanchoides var. hartwegii B. Pitzer 1986-4-26 185 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCD121394  Funastrum cynanchoides var. hartwegii R. S. Woglum 1934-3-18 633 Riverside Central part of county. Snow Creek (north-west of Palm Springs). Comment
  SD227724  Funastrum heterophyllum A. C. Sanders, K. C. Rose 1999-5-28 22790 Riverside Coachella Valley: betweeen La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. Disturbed roadside at intersection with Ave. 49 11 Comment
  CHSC99050  Funastrum hirtellum LeRoy Gross 2005-3-3 1575 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  UCR279514  Funastrum hirtellum A. C. Sanders, Jim Malusa 2017-3-27 43109 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
  UCR275945  Galium andrewsii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3788 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  POM250004  Galium angustifolium subsp. angustifolium E. C. Jaeger 1939-7-5 s.n. Riverside 7 miles south of Hemet. 823 Comment
  POM46850  Galium angustifolium subsp. angustifolium Charlotte M. Wilder 1904-6-11 111 B Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  SDSU71  Galium angustifolium subsp. angustifolium S. J Barnhart 1966-4-24 660424 -4 Riverside SW facing slope of small hill .1 mile E of McAllister St along the metropolitan water co. utility rd (dirt) , which is 1.5 miles SE of the intersection of McAllister St and Victoria Ave. 457 Comment
  JOTR16839  Galium angustifolium subsp. gracillimum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1676 Comment
  RSA702385  Galium angustifolium subsp. jacinticum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1283 -a Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  UCR165918  Galium aparine T. B. Salvato, John F. Green 2004-5-27 555 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA543906  Galium nuttallii Steve D. Boyd, Orlando Mistretta 1991-5-22 6285 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UC28214  Galium parishii H. M. Hall 1901-8-1 2598 Riverside vicinity of Tamarack Valley San Jacinto Mountains 2499 Comment
  RSA543617  Galium porrigens Steve D. Boyd 1991-5-7 6152 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UC1925784  Galium porrigens Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1287 Riverside Peninsular Ranges; San Jacinto Mountains region: Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. Comment
  CAS-BOT-BC494159  Galium porrigens var. porrigens Valerie Soza; Steve Boyd 2004-6-22 1728 Riverside San Jacinto Mountains, Forest Service Rd 5S13 1463 Comment
  RSA0014933  Galium porrigens var. porrigens LeRoy Gross, Caitlin Elam, Evan Meyer 2013-5-7 6038 -b Riverside West of the community of Pine Cove, near Idyllwild. Out-skirt of the community and Red Hill road (5S10). Near 1720 Comment
  RSA706296  Galium porrigens var. porrigens Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1287 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  POM4410  Galium stellatum I. M. Johnston 1917-4-4 1038 (9) Riverside Colorado Desert: Palm Canyon. 305 Comment
  POM67937  Galium stellatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  POM68617  Galium stellatum Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  LA208442  Galium stellatum var. eremicum Martha Hilend; 1932-3-25 Riverside Chuckwalla Mountains, Chuckwalla Mts., about 3 mi above Corn Spring Comment
  RSA358587  Garrya flavescens Larry E. DeBuhr 1972-3-24 530 Riverside Santa Rosa Mts. San Bernardino National Forest. Along forest road 7S02 2195 Comment
  RSA0112043  Gaura A. C. Sanders, John F. Green 2012-5-27 40205 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA503391  Geraea canescens Gary D. Wallace, D. H. Wilken 1966-3-4 65 Riverside W end of Indio Hills on Warner road. 70 Comment
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Jun 13 2012
  RSA79150  Geraea canescens P. A. Munz, P. C. Everett 1951-5-2 16254 Riverside 2 miles E of Garnet, Coachella Valley. 30 Comment
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Apr 21 2011
  UCR20774  Geraea canescens A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1311 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCSC001465  Geraea canescens Peter Kamb 1948-4-11 884 Riverside Aqueduct Road 5 mi east of Garnet Aqueduct Road, Garnet - Coachella Valley 305 Comment
  RSA0036275  Geraea canescens M. B. Dunkle 1933-3-4 3058 Riverside Painted Canyon. Colorado Desert. 30 Comment
  UCR177324  Geranium carolinianum Scott D. White, Michael Honer 2003-5-27 9415 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  CAS-BOT-BC168198  Geranium robertianum A. C. Sanders; T. B. Salvato 2006-5-4 32247 Riverside Riverside, UCR campus 351 Comment
  RSA715242  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
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Jul 14 2008
  CAS-BOT-BC536093  Gilia A. C. Sanders 2005-4-22 29610 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi SE of summit of Gavilan Peak 624 Comment
  UCR118397  Gilia A. C. Sanders 1994-5-29 14567 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA501034  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3155 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA605202  Gilia angelensis A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16171 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
  RSA72286  Gilia angelensis F. W. Peirson 1923-3-28 4129 Riverside North of Lake Elsinore near Brickyard. Comment
  UCR234260  Gilia angelensis A. C. Sanders 2012-4-12 40033 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  UCR281471  Gilia angelensis Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-3-31 317- 97 Riverside Temescal Valley, Corona, N side of Campbell Ranch Rd., 0.2 miles E of intersection with Temescal Canyon Rd. 330 Comment
  CLARK-A1528-708  Gilia capitata Ellen Predmore 1971-5-3 Riverside 457 Comment
  SBBG94831  Gilia capitata subsp. abrotanifolia E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of the Pechanga Indian Reservation Comment
  RSA125533  Gilia diegensis R. Weatherby 1949-6-6 668 Riverside Santa Rosa Mountain. 1982 Comment
  UCR120703  Gilia diegensis N. C. Cooper 1944-5-20 1283 Riverside San Jacinto Mtns., Palms to Pines Highway 1372 Comment
  RSA95645  Gilia diegensis Verne Grant, Alva Grant 1955-04 20680 Riverside Creek bottom in brush on Clark and Noni Ranch, 10 mi. E of hwy 395 on hwy 71, Temecula to Warner Hot Springs. Comment
  RSA692193  Gilia latifolia Scott D. White, Michael Honer 2003-5-14 9294 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  CAS-BOT-BC407801  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-19 1703 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  UCR201467  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-5-15 11979 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA0017086  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-29 5098 Riverside Dripping Springs, near Temecula Creek 518 Comment
  RSA776340  Gilia scopulorum Duncan S. Bell 2010-3-20 640 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  CDA40024  Gilia stellata T. C. Fuller 1963-4-23 10278 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  RSA125302  Gilia stellata P. H. Raven 1958-2-15 11573 Riverside 24.7 miles east of turn to Corn Springs, Chuckwalla Mountains. Comment
  RSA150808  Gilia stellata Clare B. Hardham 1962-3-18 8925 Riverside East side of Salton Sea, Route 195 Comment
  RSA657243  Gilia stellata J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12342 Riverside Coachella Valley, Desert Hot Springs, 0.15 mi S of Mission Lakes, on Verbena Drive. 427 Comment
  UC937310  Gilia stellata I. W. Clokey 1935-4-17 6801 Riverside Cottonwood Springs Comment
  RSA91958  Glyceria striata F. W. Peirson 1924-7-27 4985 Riverside Along creek in Dark Canyon, 1829 Comment
  UC864089  Glycyrrhiza lepidota Crawford and Johnston 1917-6-9 1228 Riverside near Corona; Santa Ana River Comment
  SDSU12522  Gnaphalium californicum Shasta Gaughen, M. G. Simpson 2000-4-29 11 Riverside 0 Comment
  SEINET7063461  Gnaphalium canescens A. G. Vestal 1947-3-31 s.n. Riverside About 2.3 miles north of Lake Elsinore off present I 15. UTM Zone 11, 467263mE, 3929340mN. (WGS84/NAD83). 396 Comment
  UCR178835  Gnaphalium canescens Tracy Tennant 1998-8-28 MOR- 707 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  RSA559364  Gnaphalium chilense Steve Boyd, Tim Ross, D. E. Bramlet 1993-5-13 7379 b Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCR158136  Gnaphalium luteoalbum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30118 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
  UCR212971  Gnaphalium stramineum Justin M. Wood, Brandy N. Wood 2009-7-4 1041 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  JOTR32335  Grayia spinosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2456 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  RSA773187  Grayia spinosa Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4918 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
  RSA271604  Guillenia lasiophylla Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6427 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe 290 Comment
  SDSU18362  Guillenia lasiophylla C. Matt Guilliams 2008-2-27 482 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 370 Comment
  CAS-BOT-BC304639  Gutierrezia californica J. C. Roos 1965-6-21 s.n. Riverside The hills 2 miles south of Beaumont Comment
  POM184157  Gutierrezia californica M. French Gilman 1932-11-30 1 Riverside Whitewater Point. Comment
  RSA0094893  Gutierrezia californica A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41736 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 400 Comment
  SD40820  Gutierrezia microcephala Carl B. Wolf 1932-10-13 4313 Riverside Colorado Desert, Eagle Mountains, Cottonwood Springs. 289 Comment
  CLARK-A1528-1881  Haplopappus cuneatus John C. Roos 1942-10-24 2575 Riverside Joshua Tree National Park Comment
  RSA0066609  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4110 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UC1979566  Harpagonella palmeri Darin L. Banks, Steve Boyd 1995-5-9 398 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR174462  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 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
  UCR59754  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3029 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  RSA0066614  Harpagonella palmeri D. L. Banks 1997-4-5 1680 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountin, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 671 Comment
  SDSU17493  Hedypnois cretica Jerry Jenkins 2001-3-31 2001 -015 Riverside Santa Margarita Ecological Reserve. Edge of avacado grove west of station and just above river. UTM zone 6, 481900E, 3699200N. UTM transfered to GIS. Comment
  UCR102884  Hedypnois cretica A. C. Sanders 1997-3-26 20124 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR225448  Hedypnois cretica A. C. Sanders 2011-3-29 38836 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  UC218098  Helenium bigelovii P. A. Munz 1922-7-7 6064 Riverside meadow n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  SDSU13562  Helianthemum scoparium W. Miller with C. Mosse 1972-7-19 Riverside Just outside soth gate, north side of road. Comment
  POM360007  Helianthus gracilentus N. C. Cooper 1949-6-29 4301 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  SBBG8410  Helianthus gracilentus H. and M. Dearing 1940-6-8 4349 Riverside S of Ribbonwood, Palms to Pines Hwy Comment
  UC68756  Heliotropium convolvulaceum var. californicum H. M. Hall Apr., 1905 5913 Riverside sand hills near Paloverde; Colorado Desert 91 Comment
  SD187376  Heliotropium curassavicum Scott d. White, Angelia Carey 2004-5-7 10345 Riverside Indian Creek and adjacent foothills. 548 Comment
  SDSU14076  Heliotropium curassavicum Joel Tracey 2002-4-20 9 Riverside Santa Margarita Ecological Reserve, 0.1 mile east from parking area intersecting Santa Margarita River and Northside Field Station road, rock wall 20 feet north of river. 253 Comment
  UC1532826  Heliotropium curassavicum Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47310 Riverside Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  UCR16101  Heliotropium curassavicum S. Nelson 1974-5-18 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, four mi. west of Murrieta on Tenaja Rd. 610 Comment
  UCR202031  Heliotropium curassavicum 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
  UCSB5611  Heliotropium curassavicum Feudge, J.; Kraebel, C. 1930-7-23 Riverside North of Riverside Comment
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Mar 22 2014
  UCR135863  Hemizonia A. C. Sanders 2004-4-20 27574 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA885  Hemizonia kelloggii J. T. Howell 1928-7-8 1042 Riverside Near Glen Ivy. 396 Comment
  RSA94066  Hemizonia kelloggii F. W. Peirson 1924-6-21 4757 Riverside Temescal Canyon. 290 Comment
  CLARK-A1528-239  Hemizonia laevis Fred B. Essig 1967-6-20 Riverside Riverside Comment
  CAS-BOT-BC167006  Hemizonia mohavensis A. C. Sanders; Steve Boyd; Jeff Ross; Mitch Provance 1998-10-25 22273 Riverside San Jacinto Mtns.: Hwy 74, roadside seep ca. 2 miles below (west of) Mountain Center 1250 Comment
  UCR117711  Hemizonia paniculata Mitch Provance 1998-6-11 678 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR127561  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 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
  UCR202215  Hemizonia pungens subsp. laevis 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
  UCR235053  Hemizonia pungens subsp. laevis A. C. Sanders, John F. Green 2012-5-27 40218 Riverside Peninsular Range; Perris-Aguanga Basin Region, Lake Elsinore, SE of Riverside Dr. (Hwy 74) on NE side of Pasadena Ave., NW of Central Ave. 386 Comment
  UCR90763  Hemizonia pungens subsp. laevis D. E. Bramlet 1993-5-16 2356 Riverside 5.7 km west of Hemet, 488 m north of Florida Ave and 1 m west of old Warren Road. the site is found on a parcel between old Warren and Warren Rd., c. 274 north of the intersection of these two roads 456 Comment
  UCR225211  Herniaria hirsuta subsp. cinerea T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5164 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  CAS-BOT-BC403802  Hesperocnide tenella A. C. Sanders 1997-3-1 19753 Riverside Riverside: Box Springs Mtns., S end of the range along Gernert Rd. (dirt), in valley draining to Box Springs Cyn. 457 Comment
  CAS-BOT-BC403803  Hesperocnide tenella Steve Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA436248  Heterocodon rariflorum M. B. Dunkle 1933-7-21 3726 Riverside Idyllwild 1616 Comment
  UCR270177  Heteromeles arbutifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42400 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  JEPS20378  Heterotheca grandiflora Marjorie D. Clary 1932-10-21 1571 Riverside 6 mi w Indio (Point Happy, upper end of Coachella Valley); Coachella Valley, Point Happy Comment
  RSA0075889  Heterotheca grandiflora James C. Dice, J. DeWald 1987-9-28 729 Riverside North side of Temecula Gorde, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. 330 Comment
  RSA339244  Heterotheca horrida subsp. cinerascens R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53595 Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  UCR92617  Heterotheca sessiliflora subsp. echioides Scott D. White 1995-8-23 3591 Riverside San Jacinto Valley, San Jacinto River wash, just north of Florida Avenue (City of Hemet), near intersection with Schultz Rd. 549 Comment
  CAS-BOT-BC310833  Heterotheca sessiliflora subsp. fastigiata Mary F. Spencer 1919-7-8 1268 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  UC144126  Heterotheca sessiliflora subsp. fastigiata Mrs. C. M. Wilder 1909-8-1 1114 Riverside Banning Canyon Comment
  POM12887  Heuchera hirsutissima P. A. Munz 1922-7-7 6044 Riverside Summit of San Jacinto Peak. 3287 Comment
  JOTR31944  Hibiscus denudatus La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2182 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  LA8281  Hilaria rigida Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  UCD84933  Hilaria rigida Chuck Hughes 2010-3-22 205 Riverside About 9.4 miles south of Highway 62, next to railroad tracks. 245 Comment
  CAS-BOT-BC207575  Hoffmannseggia microphylla S. B. Parish 1896-4-1 4114 Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC207950  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well, Colo Desert Comment
  SEINET5554645  Hoffmannseggia microphylla L. S. Rose 1946-1 46301 Riverside Cathedral Canyon Wash desert wash. 200 Comment
  UCR207345  Hordeum murinum O. F. Clarke 2004-2-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UC34042  Hordeum murinum subsp. glaucum H. M. Hall 1901-6-19 2176 Riverside head Hemet Lake (Thomas Ranch, San Jacinto Mountain); San Jacinto Mt., head Hemet Lake, Thomas Ranch Comment
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Mar 25 2011
  RSA599098  Hordeum vulgare V. W. Steinmann 1996-4-13 827 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  JEPS34899  Hulsea vestita subsp. callicarpha Marjorie D. Clary 1932-7-3 1207 Riverside from Hemet Lake to Hurkey Creek; Hemet Valley, Thomas Valley 1371 Comment
  UC169663  Hulsea vestita subsp. callicarpha S. B. and W. F. Parish Jul 1880 531 Riverside San Jacinto Mts Comment
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Mar 4 2008
  UCR95940  Hulsea vestita subsp. callicarpha Scott D. White 1996-8-1 4436 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  POM3216  Hydrocotyle umbellata D. L. Crawford 1919-07 s.n Riverside [Unspecified] Comment
  RSA314159  Hymenopappus filifolius var. lugens Walter Wisura 1983-6-25 3914 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  RSA458205  Hypericum androsaemum H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto [could be San Jacinto Mtns., or could be San Jacinto Riv. near City of San Jacinto but probably mtns., based on species] Comment
  POM48402  Hypericum formosum var. scouleri P. A. Munz, I. M. Johnston 1924-7-28 8806 Riverside Pine Flats 1738 Comment
  POM254338  Hypochaeris glabra P. A. Munz 1941-5-18 16661 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  UCR241191  Hypochaeris glabra T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 371 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  CAS-BOT-BC219750  Hyptis emoryi Geo. B. Grant 1906-5-1 776 -6610 Riverside On Colorado Desert at Palm Springs Comment
  JOTR34309  Hyptis emoryi Andre, Jim 2012-4-11 20724 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  LA61598  Hyptis emoryi A. M. Johnson; 1933-4-28 4224 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  RSA420173  Hyptis emoryi M. B. Dunkle 1934-2-25 3849 Riverside Cathedral Canyon. Colorado Desert. 152 Comment
  SD128714  Hyptis emoryi Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  SFV6300  Hyptis emoryi T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 54 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UC1929976  Hyptis emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10463 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC570745  Hyptis emoryi H. L. Mason 1928-3-10 4231 Riverside Coachella Mountains Hidden Springs Canyon; , Hidden Springs Canyon Comment
  UC61586  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); , near Mecca Comment
  UC883110  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  UCR74381  Hyptis emoryi Theo Glenn 1991-5-2 91- 21 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCSB52979  Hyptis emoryi Pritchett, David; Fulton, M. 1986-3-9 Riverside Box Canyon Wash 6 miles east of Mecca on Hwy. 195 Comment
  UCSB5693  Hyptis emoryi Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains 1.5 mi S of the junc. of U.S. 60-70 and the S entrance road to Joshua Tree Natl. Mon. 579 Comment
  UCR265615  Iberis umbellata Ling-Hsuan Kung 2011-6-1 014 Riverside Big Spring Mountains, in Moreno Valley off of the Pigeon Pass Road 586 Comment
  CLARK-A1528-4693  Imperata brevifolia John C. Roos 1949-9-17 4655 Riverside Whitewater 396 Comment
  CLARK-A1528-4696  Imperata brevifolia John C. Roos 1965-6-23 Riverside Palm Springs Comment
  LA203682  Isocoma menziesii var. vernonioides W. Pequegnat; 1937-8-25 Riverside Santa Ana Mountains, Glen Ivy Trail 358 Comment
  UCSB45953  Isocoma menziesii var. vernonioides Roos, John 1965-9-21 Riverside On the west side of March Air Force Base along 395 Highway Comment
  RSA199009  Isoetes howellii R. F. Thorne, E. Lathrop, P. A. Munz 1968-5-8 37568 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  UC1605509  Isoetes howellii Terry O'Brien May 1995 2131 Riverside ca 5 mi sw of Grand Ave in Murrieta on Clinton Keith Rd Mesa de Colorado; Santa Rosa Plateau Preserve 600 Comment
  RSA199006  Isoetes orcuttii R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37419 Riverside Santa Ana Mountains, Rancho California, Santa Rosa Plateau 609 Comment
  SEINET12007320  Isomeris arborea J. F. Bright, Wyman, C. 1933-1 8003 Riverside near Palm Springs Comment
  SEINET12007321  Isomeris arborea J. F. Bright, Wyman, C. 1933-1 8004 Riverside near Palm Springs Comment
  UCR33658  Isomeris arborea var. arborea Sears 1978-3-18 950 Riverside Sonoran (Colorado) Desert, foothills of the Orocopia Mtns, 10 mi NE of Durmid on Railroad road 305 Comment
  UCR215595  Ivesia saxosa Jim Andre, T. La Doux 2008-9-16 10701 Riverside Mojave Desert, Joshua Tree National Park, on the southeast end of Splitock Picnic Area 1290 Comment
  RSA227712  Jepsonia parryi Gary D. Cromwell 1972-2-15 709 Riverside Small canyon canyon off Los Alamos Canyon, 8 mi. SSW of Lake Elsinore and unpaved road #7So4, USDA Forest Serv. map, Trabuco Dist., Cleveland Nat. Forest. 488 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
  UCR189782  Juglans californica var. californica Theresa Johnson 2007-10-24 403 Riverside Peninsular Ranges, Perris-Aguanga basin, Badlands, just north of Highland Blvd Comment
  CAS-BOT-BC140654  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR247518  Juglans hindsii R. E. Riefner Jr. 2012-7-23 12- 322 Riverside city of Hemet, c. 100 yards north of Devonshire Ave. and Meyers St. 473 Comment
  UC842096  Juncus acutus subsp. leopoldii Ivan Johnston 1917-4-4 1073 Riverside Palm Canyon Colorado Desert 243 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
  UCR177507  Juncus bryoides S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  POM259107  Juncus bufonius Phillip A. Munz 1938-8-14 15351 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SD146109  Juncus bufonius A. C. Sanders, K. C. Rose 1999-6-18 22825 Riverside Domenigoni Valley, upper Warm Springs Creek, between Highway 79 (Winchesrwe Road) and Scott Road, Domenigoni Ranch, south of Winchester; winchester 7.5' quad. In mud along drying creek margins among dense herbs, between old fields. 433 Comment
  UCR116975  Juncus bufonius var. congestus A. C. Sanders, T. B. Salvato 2001-5-3 24100 A Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  SBBG57264  Juncus effusus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  SEINET3878466  Juncus effusus Faulkner 1978-4-27 480 Riverside 3 miles east of Blythe, shores and flood plains of Colorado River.; 0 137 Comment
  RSA692228  Juncus effusus subsp. austrocalifornicus Scott D. White 2003-10-9 9815 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  UCR151038  Juncus effusus subsp. austrocalifornicus Scott D. White 1998-7-31 6957 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UCR40548  Juncus effusus subsp. austrocalifornicus Steve Boyd 1985-8-7 1106 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  UCR24961  Juncus macrophyllus A. C. Sanders 1980-7-22 1714 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 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
  RSA502192  Juncus textilis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3700 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake Comment
  SD86554  Juncus textilis Ken Hedges 1972-10-17 Riverside In marshy area, Cahuilla Valley, south of Anza. Comment
  UC1495750  Juncus tiehmii Barbara Ertter and Jeffrey L. Strachan 1980-5-21 3481 Riverside ca 2 mi s Hwy. 74 (Pines to Palms Hwy.) (Santa Rosa Mtn rd (Forest Rd 7S02)) 1584 Comment
  RSA368376  Juncus torreyi S. B. Parish 1913-9-20 8619 Riverside Mecca, Salton Sink. 58 Comment
  IRVC1218  Juniperus californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 116 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  UCSB16168  Juniperus californica Field, Larry 1963-5-5 Riverside Piñon Flats Campground, 16.3 mi. SW of Palm Desert State Highway 74 Comment
  CAS-BOT-BC234589  Justicia californica E. A. McGregor 1917-3-18 731 Riverside Painted Canon [Canyon], Colorado Desert Comment
  POM308629  Justicia californica Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3220 Riverside Near Desert Center. Comment
  SDSU2159  Justicia californica Gerald Collier 1951-3-25 M 487 Riverside State Hwy #111, 25 yards from roadside. About 1 mile south of Cathedral City. Comment
  SEINET2163665 Image available Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi below Cottonwood Springs Comment
  UC168866  Justicia californica unknown May 1 1906-May 10 1906 101 Riverside Palm Springs Colorado Desert, Palm Springs Comment
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Nov 30 2009
  UC303435  Justicia californica S. B. Parish 1919-3-27 19193 Riverside Palm Springs, West Canyon Colorado Desert, Palm Springs, West Canyon 167 Comment
  RSA0062479  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40409 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction. 124 Comment
  UCR163060  Kallstroemia californica B. G. Pitzer, G. R. Ballmer 2000-10-14 4218 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  RSA314156  Keckiella antirrhinoides Walter Wisura 1983-7-9 3917 Riverside 10.5 mi from the junction with Hwy 111 along Hwy 74. Comment
  RSA543937  Keckiella antirrhinoides Steve D. Boyd 1991-5-10 6215 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  RSA604851  Keckiella antirrhinoides Scott D. White 1995-3-30 2652 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill) 579 Comment
  RSA450072  Keckiella cordifolia J. C. Roos, L. Roos 1952-6-24 5786 Riverside In the hills west of Beaumont. Comment
  SEINET3224413  Keckiella cordifolia G. Goodwin 2012-6-15 3467 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR176999  Keckiella ternata Tracy Tennant, J. S. Ross 1998-7-28 MOR- 670 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, upper Millard Cyn. (polygon M16) 1372 Comment
  UCR3587  Kelloggia galioides Frank C. Vasek 1964-7-19 640719- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  POM17823  Koeleria macrantha P. A. Munz, D. Keck 1923-6-14 7076 Riverside Glen Ivy Trail to Santiago Peak. 1584 Comment
  UCR2487  Koeleria macrantha F. M. Reed 1928-7-10 5989 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  CAS-BOT-BC61423  Krameria bicolor Annie M. Alexander; Louise Kellogg 1941-5-12 2165 Riverside Black Eagle Mine Park 670 Comment
  UCR17034  Krameria erecta Anonymous 1969-5-25 3 Riverside Southern Mojave Desert, 8 mi from entrance of Joshua Tree Natl. Monument on road from town of Joshua Tree, sandy wash 2.5 mi north of the road 1250 Comment
  RSA787590  Krameria grayi Andrew Monks, J. McConnaughy, M. Volke 2010-1 35 Riverside McCoy Wash. Road going N from Black Rock Rd. S side of private boundary. N of I-10. 244 Comment
  UCR16328  Krameria grayi M. J. Arbaugh 1978-5-27 s.n. Riverside Coachella Valley/Colorado Desert, 2 mi. east of Cabazon on side of telephone access road. Comment
  CSUSB1164  Krameria parvifolia Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  UCR157946  Lamium amplexicaule T. B. Salvato, A. C. Sanders 2005-5-17 933 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
  UCR207784  Lamium amplexicaule O. F. Clarke 2004-3-13 s.n. Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, along the Santa Ana River, West Riverside 226 Comment
  RSA698328  Langloisia schottii J. R. Bruff 1932-3-22 s.n. Riverside Between Garnet and Edom Comment
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Nov 3 2011
  RSA776334  Langloisia setosissima subsp. setosissima Duncan S. Bell, Amanda Turek 2010-4-10 821 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UC700954  Langloisia setosissima subsp. setosissima Aven and Ruth Nelson 1939-3-29 3323 Riverside ner the Palm grove Hidden Springs Comment
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Apr 17 2011
  CAS-BOT-BC166025  Larrea tridentata Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  CSUSB316  Larrea tridentata Frank Aubrey 1959-2-3 Riverside On gas pipe road, 1.8 miles east of junction with U.S. Highway 60, 8.2 miles east of Desert Center. Comment
  RSA735214  Larrea tridentata Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11236 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
  SD229309  Larrea tridentata Dick Schwenkmeyer 2013-6-11 916 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  UC1929819  Larrea tridentata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10447 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  CAS-BOT-BC412767  Lastarriaea coriacea Steve Boyd; Tim Ross; Dave Bramlet 1993-5-13 7364 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon 411 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
  SD152928  Lasthenia californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-25 6680 Riverside Santa Ana Mountains, along San Mateo Trail from junction 7S04 and 7S01. 395 Comment
  POM305812  Lasthenia coronaria Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1047 Riverside Corona-Elsinore. Comment
  RSA678426  Lasthenia coronaria Michael Wall 2003-4-15 265 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  RSA716422  Lasthenia coronaria Scott D. White 2006-4-27 11308 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  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
  UCR241099  Lasthenia glabrata subsp. coulteri Blair Baker 2010-4-9 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, near San Jacinto River SE of Perris, NE side of Case Rd. 431 Comment
  UC62998  Lasthenia glabrata subsp. coulteri H. M. Hall 1933 Riverside Meadows of Coahuilla Valley Comment
  RSA34550  Lathyrus vestitus subsp. laetiflorus N. C. Cooper 1944-6-16 1432 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  JEPS40025  Layia glandulosa W. L. Jepson 1901-5-19 1291 Riverside Strawberry valley; San Jacinto River 640 Comment
  UCR13437  Layia glandulosa Mike McCloskey 1973-5-19 s.n. Riverside San Jacinto Mtns, off Hwy 74 between Valle Vista and Mountain Center 915 Comment
  RSA593885  Layia platyglossa Steve Boyd, David E. Bramlet 1996-4-19 8615 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
  UC62888  Layia platyglossa H. M. Hall 2909 Riverside vicinity Sage 762 Comment
  UCR228924  Layia platyglossa A. C. Sanders, Nathan Moorhatch 2011-3-22 38796 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UC856444  Lepidium fremontii C. L. Hitchcock 1940-4-2 5921 Riverside Cottonwood Spring wash Joshua Tree National Monument Comment
  UCR82804  Lepidium fremontii Bern Schwenn 1994-3-26 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, Pa'atem Canyon on south side of Cottonwood Mtns. Comment
  JOTR36467  Lepidium fremontii var. fremontii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3436 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  CAS-BOT-BC89582  Lepidium lasiocarpum Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2122 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  HSC35735  Lepidium lasiocarpum Richard Spjut 1973-4-10 3288 Riverside Colorado Desert, N slopes of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  RSA796331  Lepidium lasiocarpum Duncan S. Bell 2009-4-18 203 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
  CAS-BOT-BC89666  Lepidium lasiocarpum subsp. lasiocarpum John Thomas Howell 1928-3-11 3417 Riverside North Colorado Desert. Morongo Canyon. 609 Comment
  UCR75540  Lepidium latipes A. C. Sanders 1993-5-12 14000 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 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
  UCR173873  Lepidium nitidum Scott D. White 2001-3-13 8162 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Menifee/Sun City area: valleys and slopes east of Canyon Lake and west of Goetz Rd 518 Comment
  UCR199740  Lepidium pinnatifidum Scott D. White, Justin Wood 2008-6-24 12285 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  POM157884  Lepidium virginicum var. pubescens P. A. Munz 1927-5-20 10796 Riverside Murrieta Hot Springs. Comment
  POM113965  Lepidium virginicum var. robinsonii Marcus E. Jones 1926-3-10 s.n. Riverside Santa Ana Canyon Comment
  CAS-BOT-BC328099  Lepidospartum squamatum J. Beley 1974-2-20 0057 Riverside Magnolia Rd., 0.5 mi S of Cabazon Comment
  POM10045  Lepidospartum squamatum E. A. Zumbro 1903-10 21 Riverside San Gabriel Mountains, Cold Water Canyon. Comment
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Apr 7 2011
  RSA614495  Lepidospartum squamatum A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15806 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  SD127551  Lepidospartum squamatum Reid Moran 1967-11-7 14644 Riverside 7 mi W of Radec 399 Comment
  SD137865  Lepidospartum squamatum Darin L. Banks, Steve Boyd 1995-10-17 777 Riverside Northwest Palomar Mountains; Agua Tibia Mountains, along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  UCR19539  Lepidospartum squamatum John C. Roos 1965-10-12 s.n. Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Comment
  RSA723302  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), Just N. of Cedar & Mountain, NE end of Hemet Comment
  UCR125209  Leptochloa uninervia Mitch Provance 1998-5-24 535 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 Comment
  CAS-BOT-BC227049  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  RSA0099593  Leptosiphon floribundus subsp. hallii Duncan S. Bell 2014-11-14 7704 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  POM193461  Leptosiphon lemmonii F. W. Peirson 1929-5-4 8335 Riverside Summit of St John's grade 793 Comment
  POM65214  Leptosiphon lemmonii H. M. Hall 1901-06 2026 Riverside South side of San Jacinto Mountains 1585 Comment
  OBI70236  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Cyn: terrace escarpment between Horsethief wash and Indian Truck Trl, S of I-15 Comment
  SBBG101739  Leptosiphon liniflorus S. Boyd with D. Bramlet 1991-5-13 6253 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 548 Comment
  UCR281227  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 47 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  SEINET3149002  Lesquerella recurvata H. M. Hall 1905-4-24 5882 Riverside Salvation Springs Comment
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Jul 30 2013
  CAS-BOT-BC339363  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside At Idyllwild, Strawberry Valley, Mt. San Jacinto Comment
  CAS-BOT-BC339366  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside Top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  UCR193757  Lessingia glandulifera var. glandulifera A. C. Sanders, Mitch Provance 2008-7-11 35756 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  RSA512760  Leymus condensatus Walter Wisura, Bart O'Brien, M. Durant 1990-6-12 4443 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  CAS-BOT-BC274535  Leymus triticoides H. M. Hall 1901-6-1 2122 Riverside San Jacinto Mountins. Eastern base, along the borders of the Colorado Desert Comment
  RSA736765  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  SD237544  Limonium sinuatum A. C. Sanders 2012-4-12 40029 Riverside Peninsular Range: Santa Ana Mountains Region: Temescal Canyon, along Temescal Canyon Road between Glen Ivy and Indian Truck Trail, near El Hermano Road (Lake Matthews 7.5'Q) 312 Comment
  RSA0012071  Limosella acaulis Steve D. Boyd, Gary D. Wallace 2005-7-30 11647 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  CLARK-A1528-3439  Linanthus aureus John C. Roos 1942-5-3 1148 Riverside Joshua Tree Comment
  RSA0009862  Linanthus bigelovii Marcus E. Jones 1903-5-11 10241 Riverside Whitewater. 305 Comment
  OBI52759  Linanthus dianthiflorus L. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  UCR35061  Linanthus floribundus L. B. Ziegler 1967-5-18 132 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  RSA554019  Linanthus jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12127 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA777825  Linanthus jonesii J. Andre, G. L. Clifton 2011-2-22 17457 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  UC73653  Linanthus lemmonii M. F. Gilman 1904-1 27 Riverside Banning Comment
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Mar 13 2011
  RSA702730  Linanthus liniflorus Scott D. White, Michael Honer 2004-4-6 10059 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR144129  Linanthus liniflorus Scott D. White, Bill La Haye 2000-5-27 7950 Riverside San Jacinto Mtn, Baldy Mountain area 1677 Comment
  SBBG89086  Linanthus pungens subsp. hallii D. Charlton 1988-5-28 2135 Riverside S of St Hwy 74, dirt Rd to Toro and Santa Rosa Pk; Toro Camp Area 2286 Comment
  UCR97499  Linaria canadensis var. texana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19875 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR241490  Lithophragma Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 251 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  CAS-BOT-BC432280  Lithophragma affine H. M. Hall 1897-2-27 364 Riverside Rawson Comment
  UC106720  Loeseliastrum matthewsii T. S. Brandegee 1892-5-14 Riverside Whitewater Comment
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Jan 14 2010
  UCSB28361  Loeseliastrum schottii Dietz, Eileen 1974-3-23 Riverside 3 meters east of 3 Hwy. 111; 300 meters northwest of intersection with Hwy. 74; in Palm Desert 60 Comment
  UC1595637  Logfia filaginoides Steve Boyd 1991-5-10 6212 Riverside bottom of Skyline Drive just n of mouth Hagador Canyon (base of Santa Ana Mountains); Santa Ana Mountains 426 Comment
  SEINET251728 Image available Lolium rigidum Walter Graves 2002-5-15 502 -12 Riverside Grown at U.C. R. in Agricultural Opeations Fields 305 Comment
  SEINET251731 Image available Lolium rigidum Walter Graves 2002-6-11 602 -2 Riverside Grown iat U.C.R. in Agricultural Operations Fields 305 Comment
  RSA561083  Lolium temulentum Steve Boyd, Orlando Mistretta 1992-4-22 6999 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
  UCR244402  Lomatium mohavense Jim Andre 2012-4-16 20984 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UCSB18143  Lomatium mohavense Lehmann, Karla 1964-5-10 Riverside Pinyon Flants Campground 1249 Comment
  POM17806  Lonicera subspicata var. denudata P. A. Munz 1923-6-14 7052 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  RSA342541  Lotus argophyllus var. argophyllus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54088 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA406723  Lotus argophyllus var. argophyllus E. A. Zumbro 1902-4-10 s.n. Riverside Box Springs Mountain, near Riverside Comment
  RSA504557  Lotus argophyllus var. argophyllus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on Nuevo. 640 Comment
  RSA90068  Lotus argophyllus var. argophyllus F. W. Peirson 1922-4-30 2933 Riverside Summit of St. John's Grade, south of Hemet Comment
  RSA90073  Lotus argophyllus var. argophyllus F. W. Peirson 1921-3-22 4092 Riverside Andreas Canyon, Palm Springs region Comment
  RSA33653  Lotus grandiflorus var. grandiflorus N. C. Cooper 1944-6-17 1392 Riverside San Jacinto Mountain. West side. 1372 Comment
  POM13456  Lotus grandiflorus var. mutabilis P. A. Munz 1922-5-19 5403 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA406416  Lotus hamatus Anstruther Davidson 1926-5-1 s.n. Riverside Near Corona Comment
  RSA582442  Lotus heermannii L. C. Wheeler 1932-9-4 1326 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA709191  Lotus humistratus A. C. Sanders, T. B. Salvato 2005-4-28 29673 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  UCR228834  Lotus humistratus A. C. Sanders, T. B. Salvato 2011-4-27 39333 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  POM13627  Lotus nevadensis var. nevadensis E. C. Jaeger 1921-7-1 1047 Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA406201  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-19 3670 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  UCR87861  Lotus oblongifolius Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  UC1287105  Lotus rigidus C. L. Hitchcock 1966-3-16 24197 Riverside 10 mi s Palm Desert (along Palm to Pines Hwy) Comment
  UCR216678  Lotus salsuginosus var. brevivexillus Jim Andre, T. La Doux 2009-3-10 11239 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR158139  Lotus scoparius subsp. brevialatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30092 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
  UCR166171  Lotus scoparius subsp. brevialatus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR175584  Lotus scoparius var. brevialatus Jim Andre 2006-4-26 6766 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  HSC85457  Lotus strigosus Steve Boyd 1986-4-2 1601 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA607009  Lotus strigosus Leota Brice 1930-4-13 s.n. Riverside Hemet Comment
  UC218092  Lotus strigosus P. A. Munz, D. Keck 1922-4-9 4765 Riverside near Mecca; Shavers Well 76 Comment
  UCR121697  Lotus strigosus A. C. Sanders 2002-5-4 25044 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  RSA359880  Lotus strigosus Steve Boyd 1986-4-2 1601 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  POM172735  Lotus strigosus var. hirtellus M. French Gilman 1930-4-6 5 -a Riverside [Monsen] Canyon, Eagle Mts. Comment
  UC865543  Lupinus I. W. Clokey and B. C. Templeton 1930-4-9 4727 Riverside Moreno Grade Comment
  RSA517836  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1463 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA517839  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1469 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA758323  Lupinus arizonicus Doug Goldman 2005-3-3 3028 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UCR25912  Lupinus arizonicus John C. Roos 1948-5-15 3847 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  RSA660564  Lupinus bicolor Lydia Paneri 1982-4-17 35 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
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May 31 2008
  UCR104946  Lupinus bicolor A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20687 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
  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
  UCR199563  Lupinus bicolor Scott D. White 2004-4-26 10267 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR4176  Lupinus bicolor R. H. Sauer 1965-4-3 s.n. Riverside Peninsular Range, Riverside, south side of Big Springs Road, c. 500 feet from the east end of the street; west foot of Box Springs Mtns. 396 Comment
  SEINET7040159 Image available Lupinus bicolor subsp. marginatus A. G. Vestal 1962-4-8 Riverside North east of Lake Elsinore (Elsinore) on Rt. 74 at jct with Rt. 71. UTM Zone 11, 538094mE, 3714232mN. Comment
  SD152853  Lupinus concinnus Steve Boyd, Orlando Mistretta 1992-4-23 7054 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line. 244 Comment
  UCR4075  Lupinus concinnus Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns, 7 mi. from Banning railroad crossing on road to Idyllwild 1067 Comment
  UCR95959  Lupinus concinnus Scott D. White 1996-8-1 4417 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  POM157901  Lupinus densiflorus var. lacteus Philip A. Munz 1927-5-20 10792 Riverside Murrieta Hot Springs. Comment
  CLARK-A1528-497  Lupinus excubitus Fred B. Essig 1964-4-25 26 Riverside Elsinore Comment
  UC213289  Lupinus excubitus I. M. Johnston 1918-4-27 1869 Riverside near Elsinore; near Elsinore 396 Comment
  UCR153381  Lupinus excubitus Scott D. White 1999-5-24 7405 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
  UCSB26812  Lupinus excubitus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns. 2377 Comment
  RSA413603  Lupinus excubitus var. austromontanus Douglas Bothwell 1934-5-14 s.n. Riverside San Jacinto Mts, Idyllwild. 1610 Comment
  CAS-BOT-BC216696  Lupinus excubitus var. excubitus P. C. Everett 1935-6-18 7182 Riverside 1 mile from Ortega Highway, Main Divide Motorway to Santiago Peak, Santa Ana Mountains 731 Comment
  SBBG47514  Lupinus formosus M. B. Dunkle 1933-7-19 3669 Riverside Tahquitz Valley 2438 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
  RSA0012054  Lupinus hirsutissimus Steve D. Boyd, Susan Jett 2008-3-20 11827 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  RSA613661  Lupinus hirsutissimus D. L. Banks, Victor W. Steinmann 1997-3-13 1459 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA699719  Lupinus hyacinthinus Keith E. Hoffmaster 1937-7-5 s.n. Riverside Fern Valley, San Jacinto Mtns Comment
  UCR26957  Lupinus latifolius E. W. Lathrop 1966-5-29 6394 Riverside Peninsular Range; Santa Ana Mtns, Cleveland National Forest: Bear Springs on the Main Divide Truck Trail, 1 mi east of Santiago Peak 1209 Comment
  OBI48505  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  JEPS65439  Lupinus shockleyi W. L. Jepson 1927-4-12 11630 Riverside Whitewater 457 Comment
  POM24955  Lupinus shockleyi Marcus E. Jones 1903-5-10 11561 Riverside Palm Spring. 61 Comment
  RSA676293  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SEINET7063232 Image available Lupinus sparsiflorus A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  UCR26489  Lupinus sparsiflorus A. C. Sanders, S. Hagopian 1981-5-20 2135 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA414277  Lupinus sparsiflorus subsp. sparsiflorus Christopher Davidson 1973-4-19 1992 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  SEINET10870698  Lupinus succulentus Tilforth 1979-4-11 TILFORTH 1788 Riverside Hills at the s side of lake skinner, e of murrieta, sw riverside co. 427 Comment
  RSA414396  Lupinus truncatus E. Crow 1929-4-7 300 Riverside Santa Ana Mountains, Corona Skyline Drive. 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
  RSA543168  Lupinus truncatus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6078 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA757629  Lupinus truncatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4325 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
  UCR142197  Lupinus truncatus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR147708  Lupinus truncatus Steve Boyd, Aydee Virgen 2004-4-13 10879 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UC2979  Luzula comosa var. laxa H. M. Hall July, 1901 2460 Riverside San Jacinto Mountains. Tahquitz Valley 2133 Comment
  RSA457773  Lycium andersonii Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2215 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR133978  Lycium andersonii Mitch Provance, J. S. Ross 1998-3-27 MOR- 963 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR260357  Lycium andersonii A. C. Sanders, Jim Malusa 2015-3-10 41371 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR19491  Lycium brevipes Don Emery 1980-2-12 s.n. Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, near an old playa south of Dos Palmas Spring and north of Ferrum siding Comment
  POM243630  Lycium cooperi E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  UCR89527  Lycium cooperi Bern Schwenn 1994-4-9 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine. In 3rd canyon on N side 1085 Comment
  JOTR01201  Lycium cooperi Cole, James E. 1941-5-17 727 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  RSA0055014  Lycium cooperi James R. Shevock 1971-5-8 1045 Riverside Near Skull Cap. Joshua Tree National Monument. 1371 Comment
  CAS-BOT-BC231644  Lycium fremontii I. L. Wiggins 1937-3-9 8745 A Riverside Chuckwalla Springs, Chuckwalla Mts. Comment
  RSA680490  Lythrum californicum Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9589 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR88551  Machaeranthera tortifolia A. C. Sanders 1995-4-13 16499 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
  RSA377709  Maianthemum stellatum E. C. Jaeger 1923-6-22 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. 2104 Comment
  UCR90972  Malacothamnus fasciculatus Scott D. White 1996-2-18 3806 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  RSA613900  Malacothrix clevelandii A. C. Sanders, P. J. MacKay, Tim C. Thomas, O. F. Clarke 1997-5-4 20629 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  CHSC8376  Malacothrix glabrata Edward L. Smith 1957-4-3 263 Riverside Located 1 mi. n on hwy. 99 to 29 Palms, San Bernardino Mts. 91 Comment
  POM362307  Malacothrix glabrata M. B. Dunkle 1932-3-25 2892 Riverside Cabazon. Comment
  RSA341991  Malacothrix glabrata R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54053 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA775224  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4477 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
  UCD134419  Malacothrix glabrata Geoffrey Levin 1975-4-26 489 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  UCR157949  Malacothrix glabrata T. B. Salvato, A. C. Sanders 2005-5-17 924 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
  UCR40136  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  UCR90496  Malvella leprosa F. M. Reed 1933-6-26 7881 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside; Terraces Ranch, 547 Chicago Ave. near Arroyo Tequesquite 293 Comment
  RSA771113  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4725 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  UCR107886  Marah macrocarpa B. G. Pitzer 1997-3-23 2984 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
  UCR91375  Marah macrocarpa Scott D. White 1995-4-5 2713 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  CAS-BOT-BC216177  Marina parryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colo Desert Comment
  RSA28049  Marina parryi I. L. Wiggins 1941-3-27 9672 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA554016  Marina parryi A. C. Sanders, E. J. Lawlor 1992-4-4 12121 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SD44843  Marina parryi Darley F. Howe 1952-4-28 Riverside 4.0 miles east of Desert Center Comment
  SBBG121984  Marrubium vulgare S. D. White, A. Carey 2004-5-7 10335 Riverside Indian Crk and adjacent foothills 549 Comment
  RSA192107  Marrubium vulgare E. W. Lathrop 1959-5-17 4555 Riverside 14 miles west of Murrieta. Comment
  UC1523645  Marsilea vestita Robert F. Thorne, Steve Boyd and Earl Lathrop 1985-7-18 61175 Riverside Santa Rosa Plateau, Nature Conservancy Reserve, along Cole Canyon 533 Comment
  UCR126979  Matricaria matricarioides A. C. Sanders, T. B. Salvato 2003-5-9 26581 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR155078  Matricaria matricarioides A. C. Sanders, Kelly Volansky 2005-3-17 29228 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
  UCR78096  Meconella denticulata Steve Boyd 1991-5-20 6269 Riverside Santa Ana Mtns., NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary 671 Comment
  POM78161  Medicago minima F. M. Reed 1922-5-18 4758 Riverside Mouth of Snow Canyon 366 Comment
Read comments
Jul 24 2010
  RSA593899  Medicago polymorpha Steve D. Boyd, David E. Bramlet 1996-4-19 8608 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
  RSA708071  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR241394  Medicago polymorpha T. B. Salvato 2013-3-22 7394 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  UCR214274  Melica frutescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37745 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  RSA32494  Melica imperfecta Frank W. Gould 1943-4-17 2132 Riverside 4 miles east of Elsinore Comment
  RSA740241  Melica imperfecta Scott D. White, Justin M. Wood 2008-7-8 12370 Riverside San Jacinto Mountains: Hurkey Creek Watershed-Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA753930  Melica imperfecta W. Schlegel, Andrew Trouette, Jordan Zylstra 2009-4-16 28 Riverside Idyllwild, Garner Valley. Comment
  SD237270  Melica imperfecta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-4-2 37748 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd. 1.65 mi. ESE of Corona Lake, .5 mi, NE of Temescal Canyon Rd. where it goes under I-15. 404 Comment
  UCR101441  Melica imperfecta A. C. Sanders 1997-4-10 20323 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR2546  Melica imperfecta F. M. Reed 1908-3-29 2298 Riverside W slope of Box Springs Mtns 518 Comment
  UCR148483  Melilotus albus John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  POM348169  Melilotus albus E. Crow 1929-2-22 168 Riverside Border of Santa Ana Mts. S of Corona Comment
  CSUSB1110  Melilotus indicus Randy Salstrom 1966-5-1 Riverside 10 yards west of north end of Blaine Street beside the Gage Canal in City of Riverside. 274 Comment
  RSA741218  Melilotus indicus Scott D. White, Justin M. Wood 2008-6-16 12112 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA0035450  Melilotus indicus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 6 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi. W of Hwy 15. Comment
  SEINET189691 Image available Menodora scabra var. glabrescens Annie M. Alexander, Louise Kellogg 1941-1 2208 Riverside North base of Eagle Mountains 1158 Comment
  JOTR32038  Mentzelia involucrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2268 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  UCR165638  Mentzelia involucrata 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
  SEINET11978685  Mentzelia involucrata var. megalantha S. B. Parish, Parish, W. F. n d 210 Riverside Whitewater, Nich Comment
  RSA0123755  Mentzelia jonesii Duncan S. Bell, LeRoy Gross 2016-3-10 8868 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 2.25 air miles northwest of the summit area. 859 Comment
  UCR166291  Mentzelia jonesii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  CAS-BOT-BC435297  Mesembryanthemum nodiflorum Mitch Provance 2005-5-17 6557 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 421 Comment
  SBBG101787  Micropus californicus S. Boyd with Mistretta 1991-5-9 6179 Riverside lower flank along Bedford Truck Trail on ridge between Bedford and McBride Cyns Comment
  UC1595562  Micropus californicus var. californicus Steve Boyd and Orlando Mistretta 1991-5-22 6302 Riverside e of Dorland (w of Kolb Cr., base of Agua Tibia Mtn., Vail Lake area); Vail Lake, Agua Tibia Mtn. 548 Comment
  UCR220325  Microseris douglasii D. E. Bramlet 1992-4-15 2227 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  RSA543593  Microseris douglasii subsp. platycarpha Steve Boyd, Orlando Mistretta, Laurel Arnseth 1991-5-6 6145 Riverside Santa Ana Mts., S side of Elsinore Peak. 1036 Comment
  UC1595606  Microseris douglasii subsp. platycarpha Steve Boyd and Orlando Mistretta 1991-5-22 6293 Riverside e of Dorland Mtn. (w of Kolb Crk, base of Agua Tibia Mtn., Vail Lake area); Vail Lake, Agua Tibia Mtn. 548 Comment
  UCR241388  Microseris douglasii subsp. platycarpha T. B. Salvato, Mike Landers 2013-3-21 7376 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
  RSA357122  Microseris heterocarpa R. F. Thorne 1973-5-23 45513 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  UCR133688  Microseris heterocarpa 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
  POM13138  Microseris lindleyi P. A. Munz, I. M. Johnston 1922-5-20 5456 Riverside Pipe Creek, Hemet Valley 1418 Comment
  UCR112560  Microseris lindleyi A. C. Sanders 1998-3-17 21742 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UCR171987  Microseris lindleyi 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
  RSA507952  Microsteris gracilis subsp. humilis Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2270 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  OBI37455  Mimetanthe pilosa Melody Lardner 1981-5-28 190 Riverside In the Box Springs Mts on Box Springs Mt Rd 2.5 mi from the corner of Pigeon Pass Rd and Box Springs mt Rd 914 Comment
  SEINET8732073 Image available Mimetanthe pilosa Peter Kamb 1950-1 1932 Riverside Hall Canyon; San Jacinto Mts. 1646 Comment
  RSA0018785  Mimetanthe pilosa Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  UCR47668  Mimulus aurantiacus var. pubescens D. C. Michener 1980-5-29 3633 Riverside San Jacinto Mtns, Cave Springs Comment
  RSA420956  Mimulus bigelovii var. bigelovii M. B. Dunkle 1933-3-4 3065 Riverside Painted Canyon 91 Comment
  UCR162274  Mimulus brevipes 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
  POM97127  Mimulus brevipes P. A. Munz 1925-5-20 9821 Riverside 2 miles west of Dripping Springs. 427 Comment
  GMDRC6558  Mimulus cardinalis J. M. Andre 2012-6-15 30512 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA527835  Mimulus diffusus Scott D. White 1991-5-10 91 -123 Riverside Hwy 79, immediately W of US Forest Service Campground at Dripping Springs. 549 Comment
  UCR217534  Mimulus diffusus Diane Menuz 2008-4-28 433 Riverside Peninsular Range, Palomar Mts area, east of Pechanga Indian Reservation. 1.7 km south of Hwy 79, south of Arroyo Seco Creek, c. 1.5 mi along Wildhorse Trail 563 Comment
  CLARK-A1528-4243  Mimulus floribundus John C. Roos 1937-5-10 2330 Riverside Perris Comment
  CLARK-A1528-4246  Mimulus floribundus Pete Holliday 1969-5-19 Riverside Riverside Comment
  UCR108857  Mimulus fremontii Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UC1531139  Mimulus microphyllus Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 51989 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  UCR82901  Mimulus parishii A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15803 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CLARK-A1528-4265  Mimulus pilosus John C. Roos 1948-6-10 3882 Riverside San Jacinto Mountains Comment
  UC26917  Mimulus pilosus H. M. Hall 1901-7 2586 Riverside Tamarack Valley San Jacinto Mountains 2499 Comment
  UCR231771  Mimulus pilosus John F. Green 2008-4-23 08- 20 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  GMDRC2044  Mirabilis bigelovii var. retrorsa J. Andre 2006-4-26 6761 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
  UCR133959  Mirabilis californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 981 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  UCR21136  Mirabilis californica 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
  SD186259  Mirabilis laevis A. C. Sanders, T. B. Salvato 2004-2-16 27390 Riverside Foothills at edge of Temescal Valley, south of Brown Canyon. 451 Comment
  SDSU14058  Mirabilis laevis var. crassifolia Michael Powers 2002-4-2 6 Riverside On north side of Via Tornado Road to north of Santa Margarita riverbed in Santa Margarita Ecological Reserve. 100 feet west of parking lot in riverbed. 233 Comment
  UC1007219  Mirabilis laevis var. crassifolia Philip A. Munz 1940-3-22 15654 Riverside Whitewater Canyon, 2 miles N of Banning-Indio Boulevard Comment
  CAS-BOT-BC434828  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-2-2 s.n. Riverside Coachella Valley 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
  SEINET8380172  Mohavea H. M. Hall 1905-4-16 5778 Riverside Canons near Indio Mt. i nthe Colorado Desert, lower Sonoran Zone. 150 Comment
  JEPS20766  Mohavea confertiflora Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13247 Riverside 11.3 mi n of Blythe (U.S. Highway 95, in Big Maria Mountains); Big Maria Mountains Comment
  JEPS9996  Mohavea confertiflora Lawrence Saylor 1935-4-25 221 Riverside 25 mi s of Twenty-nine Palms Comment
  RSA408759  Mohavea confertiflora Christopher Davidson 1979-4-4 7692 Riverside Orocopia Mts., lower end of Box Canyon on Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UCR245949  Mohavea confertiflora Duncan S. Bell 2009-3-7 01 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  POM96251  Mohavea confertiflora E. C. Jaeger 1925-12-20 s.n. Riverside Fish Traps Comment
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Feb 3 2011
  UCR112806  Monardella breweri subsp. lanceolata A. C. Sanders 1997-5-1 20620 Riverside Lake Skinner area, Rawson Canyon c. 1 mi. due west of summit of Black Mountain, along dirt road to Crown Valley 549 Comment
  POM192932  Monardella lanceolata var. lanceolata Marcus E. Jones 1929-7-13 s.n. Riverside Temecula Bridge Comment
  RSA667  Monardella macrantha subsp. hallii J. T. Howell 1927-8-2 573 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  LA96081  Monardella nana Elizabeth McClintock; J. Fenley 1937-7-10 sn Riverside trail between Tahquitz Valley and Hidden Lake Comment
  UC1499927  Monardella nana E. McClintock, H. Lewis 1941-6-29 77 Riverside Santa Rosa Mt. road, 1 mi beyond canyon where stream crosses road Comment
  RSA750275  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 75 Riverside Santa Rosa Mt. 4.5 miles above Pines to Palms Hwy, in canyon where stream crosses road. Comment
  UCR221477  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 107 Riverside Peninsular Range; San Jacinto Mtns., trail to Deer Springs [off Suicide Rock Trail], a short distance below first spring which crosses trail 2591 Comment
  SD67911  Monardella nana subsp. tenuiflora Reid Moran 1968-8-3 15354 Riverside Ridge 1 mile Northwest of Toro Peak, open northeast slope 2250 Comment
  JEPS123817  Monardella robisonii T. La Doux with J. Andre 2008-9-16 349 Riverside Joshua Tree National Park: JTNP; on NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5' Quad. Comment
  UCR260159  Monolepis nuttalliana Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4777 Riverside Eastern Mojave Desert, east side of Arica Mountains, west side of Rice Valley c. 6 air mi southeast of the ghost town of Rice or c. 5.25 air mi east-southeast of Priests Well 211 Comment
  CAS-BOT-BC349789  Monoptilon bellioides John H. Thomas 1957-3-30 6541 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  JOTR33984  Monoptilon bellioides La Doux, Tasha, M. Harding 2010-4-7 2872 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA49353  Monoptilon bellioides P. A. Munz 1949-4-11 13013 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 914 Comment
  SD28014  Monoptilon bellioides Carl B. Wolf 1932-4-27 3061 Riverside 5.0 miles east of Desert Center. 149 Comment
  UC831339  Monoptilon bellioides I. W. Clokey 1935-4-17 6811 Riverside Cottonwood Springs Comment
  UCD134633  Monoptilon bellioides P. C. Everett; E. K. Balls 1958-4-29 22959 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  UCD80947  Monoptilon bellioides Chuck Hughes 2009-3-25 68 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 265 Comment
  UCR102742  Monoptilon bellioides B. G. Pitzer 1998-2-1 3440 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR116508  Montia fontana A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 743 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  POM10484  Mucronea californica Charlotte M. Wilder 1904-3-15 202 Riverside Wilders Canyon Comment
  GMDRC2030  Muhlenbergia microsperma J. Andre 2006-4-6 6688 Riverside Little San Bernardino Mountains: Wilson Canyon, JTNP: along Pinto Basin Rd in Wilson Canyon, growing on banks of large wash. Elev. 2841 ft. 866 Comment
  RSA574749  Muhlenbergia microsperma Steve Boyd 1982-5-20 s.n. Riverside Gavilan Hills region, southeastern flank of Estelle Mountain. 671 Comment
  RSA715194  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32651 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
  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
  UCR20871  Muhlenbergia microsperma Steve Boyd 1980-5-14 s.n. Riverside Perris Basin, Motte Reserve, in the rocky hills 2.5 mi NW of Perris 518 Comment
  UCR2589  Muhlenbergia microsperma F. M. Reed 1903-12-19 378 Riverside Riverside, Bluffs Ranch, Arroyo Tequesquite 293 Comment
  UC53683  Muhlenbergia richardsonis H. M. Hall 1897-8-10 786 Riverside Tamarack Valley San Jacinto Mountains 2651 Comment
  UCR176925  Muilla maritima Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 73 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UCR49256  Muilla maritima Steve Boyd 1986-3-9 1394 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  RSA532577  Myosurus minimus subsp. apus D. E. Bramlet, P. Gordon-Reedy 1991-5-8 2121 Riverside 30m east of California Ave. and 75m north of the AT and SF railroad tracks. The population is NE of the intersection of California Ave. and Marvin Hull Road. Some 10-300m west of MWD Canal. 498 Comment
  RSA699658  Nama demissa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  NY1082297  Nama demissum N. H. Holmgren 1973-3-23 6485 Riverside At the south entrnce to Joshua Tree Monument, near Interstate 10, 24 miles east of Indio 549 Comment
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Nov 18 2017
  POM14413  Nassella cernua P. A. Munz 1922-7-4 5970 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  POM116534  Nassella pulchra Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 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
  UCR87888  Navarretia fossalis 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
  RSA256714  Navarretia prostrata R. F. Thorne, E. W. Lathrop 1975-5-25 45563 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  POM14996  Nemacaulis denudata var. gracilis Mary F. Spencer 1922-3-28 1376 Riverside Mecca ?. -49 Comment
  RSA779775  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; approximately 3 air miles northwest of Priest Well; collecting along a steep sandy wall/sand ramp above a desert wash. 477 Comment
  UCR18148B  Nemacaulis denudata var. gracilis A. C. Sanders 1978-2-12 970 Riverside Coachella Valley, Indian Wells; growing in the sand dunes at the intersection of Bay Club Drive and Highway 111 30 Comment
  SEINET10458422  Nemacladus longiflorus Philip A. Munz 1937-5-30 Munz 15088 Riverside Near Vandeverter Flat, Santa Rosa Mts. 1676 Comment
  RSA789233  Nemacladus longiflorus var. longiflorus Naomi Fraga, Duncan S. Bell 2009-5-6 2707 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  JEPS5405  Nemacladus pinnatifidus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1555 B Riverside Temecula River; sw Riverside County Comment
  SEINET10461021  Nemacladus pinnatifidus Willis L. Jepson 1928-4-25 Jepson 12601 B Riverside Cottonwood Springs, Eagle Mountains, Colorado Desert 732 Comment
  UCR133188  Nemacladus ramosissimus Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  CLARK-A1045-140  Nemacladus rubescens George K. Helmkamp 1978-4-25 Riverside Deep Canyon rocky terrace; Palm Desert 15'Q Comment
  JOTR36116  Nemacladus rubescens La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam 2008-4-1 3046 Riverside Joshua Tree National Park. Little San Bernardino Mountains; southwest of Panorama Heights area of Joshua Tree; large bouldery wash running through northern corner of JOTR boundary 895 Comment
  RSA522262  Nemacladus rubescens Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6480 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 Comment
  POM10259A  Nemacladus sigmoideus Charlotte M. Wilder 1905-04 575 Riverside Wilder's Canyon, Jurupa Mtns. Comment
  JOTR36433  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3404 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
  RSA98809A  Nemacladus tenuis var. aliformis P. A. Munz 1926-1-31 9979 Riverside Palm Springs. [Dos Palmas Spring] Comment
  RSA291601  Nemophila menziesii C. W. Tilforth, Walter Wisura 1979-4-11 1792 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  UC67145  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  UCR213310  Nemophila menziesii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37688 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  SEINET270112 Image available Neogaerrhinum strictum Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains Indian Portero Trail south from Verdugo Portero to Indian Portero on ridge between Talega 610 Comment
  UCD126624  Nicandra physalodes W. W. Winslow Date Unknown s.n. Riverside Ag. Ex. Serv., Riverside. Comment
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Mar 15 2014
  SD51937  Nicotiana attenuata Reid Moran 1962-7-7 9871 Riverside On fill, by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UC303674  Nicotiana obtusifolia Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 304 Comment
  SD136742  Nicotiana quadrivalvis Steve Boyd, Tim Ross 1992-5-15 7394 Riverside San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junctionof Tenaja and Morgan Trails, west of Round Potrero 671 Comment
  UCR87882  Nicotiana quadrivalvis E. N. Anderson 1994-4-20 s.n. Riverside Box Springs Mtns, Two Trees Canyon, above Cassina Spring Comment
  SEINET3078208 Image available Nicotiana trigonophylla John Adams 1965-5-9 210 Riverside NE side of San Jacinto Mountains, Palms Springs area, 1 mi below tramway. 366 Comment
  UC3806  Nolina parryi H. M. Hall 1901-6-18 Riverside near Van Deventer's (e base of mountains near borders of Colorado Desert); San Jacinto Mountains Comment
  UCR152583  Nolina parryi James C. Dice 1985-6-13 618 Riverside Peninsular Range; San Jacinto Mtns., Pinyon Flat, c. 1.3 km N of Hwy 74 1250 Comment
  RSA314458  Notholaena californica subsp. leucophylla R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55467 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 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
  RSA500111  Oenothera californica subsp. californica Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3661 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  UCSB7334  Oenothera californica subsp. californica Haller, John 1950-5-21 Riverside San Jacinto Mts., near north shore of Hemet Lake Comment
  SEINET3005057  Oenothera deltoides G. Rink 2011-4-29 10495 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  RSA146011  Oenothera deltoides subsp. deltoides William M. Klein 1959-3-1 802 Riverside Bermuda Dunes; along the LaQuinta road, .5 miles south of the junction of US Hwy 60-99, about 6 miles northwest of Indio. 61 Comment
  UCR126428  Olneya tesota T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 49 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCR181957  Oncosiphon piluliferum Mitch Provance 2003-4-18 6607 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  UCR240170  Oncosiphon piluliferum R. E. Riefner Jr. 2012-3-31 12- 63 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  UCR280191  Oncosiphon piluliferum Steve Boyd 2017-4-19 12324 Riverside City of Riverside, residential lot at 4376 Beechwood Place 229 Comment
  UCSB18555  Opuntia basilaris del Moral, Roger 1964-5-10 Riverside State Highway 74; 11.7 miles S of Junction with State Highway 111 914 Comment
  RSA7219  Opuntia chlorotica B. D. Stark 1932-6-5 3709 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  JOTR01118  Opuntia erinacea var. erinacea Cole, James E. 1941-5-17 729 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1371 Comment
  UCR281805  Opuntia littoralis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617- 78 Riverside Temescal Valley, Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  RSA775262  Opuntia littoralis var. littoralis Michael Wall 2010-9-10 593 Riverside Bautista Creek off Bautista Canyon Road, ca. 6.6 miles SE of junction with Fairview Avenue. 751 Comment
  RSA592681  Opuntia phaeacantha Scott D. White, Duayne Haselfeld 1996-7-2 4267 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UCR42628  Opuntia phaeacantha A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6464 Riverside San Jacinto Mtns., Near the mouth of Hamilton Creek Canyon, 2.6 mi. east of Anza Post Office on Hwy 371. 1220 Comment
  CAS-BOT-BC56888  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 3196 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  RSA0104790  Orobanche bulbosa Steve Boyd, Ken Berg, Sandy Morey, Jon E. Keeley 1992-5-3 7171 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of Little Oak Mountain. 609 Comment
  UC1520678  Orobanche cooperi Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-22 6467 Riverside 7 mi ssw of Rice (Rice Valley); Rice Valley 274 Comment
  UCR245252  Orobanche cooperi Jim Andre 2012-3-18 21288 Riverside Sonoran (Colorado) Desert, Palen Valley, along Rice Rd (Hwy 177) east of Coxcomb Mtns, 9.6 mi. south of Hwy 62 208 Comment
  SEINET3108705  Orobanche cooperi subsp. cooperi Sears 1978-3-16 832 Riverside 12 mi NW of Midla nd, 3 mi SW of Rice. 244 Comment
  RSA0066525  Orobanche cooperi subsp. cooperi Philip A. Munz 1926-1-31 9977 Riverside Desert near Dos Palmas. Comment
  JOTR37463  Orobanche fasciculata Hodges, Stephen, T. Green 2016-5-5 585 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  RSA402104  Orthocarpus purpurascens Bonnie C. Templeton 1930-4-9 1070 Riverside Moreno Grade, S.W. of Beaumont 700 Comment
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Mar 20 2011
  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
  UCR158337  Oxalis pes-caprae A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30074 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
  RSA122751  Oxytheca trilobata H. S. Yates 1936-8-29 6375 Riverside 1 mile NE of Keen Camp. 1616 Comment
  RSA234080  Paeonia californica Robert F. Thorne, E. W. Lathrop 1969-6-6 39329 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  RSA612362  Paeonia californica D. L. Banks, Joe Moreno 1997-2-5 1260 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., Including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR35093  Paeonia californica L. B. Ziegler 1967-2-20 110 Riverside San Jacinto Mtns., Red Mountain Road off Hwy 79 762 Comment
  CDA8434  Palafoxia arida D. Y. Rosenberg 1957-7-29 Riverside Near Mecca. 0 Comment
  UCR148299  Palafoxia arida John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  SEINET10799066  Palafoxia arida David B. Dunn 1946-3-15 Dunn 2038 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  JEPS34754  Palafoxia arida var. arida I. W. Clokey 1935-4-17 6838 Riverside e Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  RSA778131  Palafoxia arida var. arida Thomas Stoughton, Erika Gardner, D. Bell 2010-11-12 715 Riverside Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road. 305 Comment
  RSA79149  Palafoxia arida var. arida P. A. Munz, Percy C. Everett 1952-5-2 16255 Riverside 2 miles east of Garnet, Coachella Valley. 30 Comment
  UC831416  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside ca 12 mi e Indio Comment
  SEINET2053910 Image available Palafoxia arida var. gigantea John Adams 1965-4-17 130 Riverside Hwy 111, 2 mi. E of Palm Springs near foothjills. 243 Comment
  RSA600855  Palafoxia linearis Marjorie D. Clary 1937-4-18 2776 Riverside Colorado Desert: Entrance to Thousand Palms Canyon; about 10 miles NW of Indio. 182 Comment
  UCR2633  Panicum urvilleanum S. B. Parish 1907-1 s.n. Riverside Sonoran (Colorado) Desert, Whitewater at edge of the Colorado Desert 396 Comment
  RSA496741  Parietaria hespera var. californica Steve Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake. 488 Comment
  RSA718576  Parietaria hespera var. hespera Michael Honer, L. Hulse 2004-4-3 1895 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  CAS-BOT-BC293716  Parkinsonia florida Mona Bourell 1987-4-14 3271 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  UCR214713  Parkinsonia florida A. C. Sanders 2010-3-23 37547 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR19661  Paspalum dilatatum John C. Roos 1965-8-3 s.n. Riverside Hemet 503 Comment
  RSA595269  Paspalum dilatatum D. L. Banks, Victor Steinmann 1996-4-20 902 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 487 Comment
  RSA381088  Paspalum distichum R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61173 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
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Sep 7 2007
  SDSU13606  Paspalum distichum W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR119804  Paspalum distichum A. C. Sanders, Mitch Provance 1999-9-26 23090 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  CLARK-A1528-2019  Pectis papposa John C. Roos 1937-8-22 1212 Riverside Comment
  RSA134370  Pectis papposa L. S. Rose 1959-1-8 59004 Riverside La Tuna Canyon, along La Tuna Canyon Road.La Quinta. 15 Comment
  RSA782786  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 065 Riverside Alligator ACEC. Desert Center Exit off I10. Follow route to Granite Mine. 399 Comment
  SD255104  Pectis papposa var. papposa Sarah J. De Groot, Amy Rouillard 2015-9-15 7571 Riverside For Dry Lake, Chuckwalla Valley, north of I-10. Mud flat with some standing water at south edge of dry lake bed. 106 Comment
  RSA682073  Pectocarya linearis Scott D. White 2001-3-27 8171 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  UCR174125  Pectocarya linearis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32632 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR183004  Pectocarya linearis Mitch Provance 2003-5-5 4405 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR241691  Pectocarya linearis T. B. Salvato 2013-3-22 7401 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  RSA772022  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4949 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 W116.66012 750 Comment
  UC1922425  Pectocarya linearis subsp. ferocula Naomi Fraga, Lisa Rojas 2005-2-10 1423 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UC64422  Pectocarya linearis subsp. ferocula H. M. Hall May 1900 Riverside Reche Canyon Comment
  POM146227  Pectocarya penicillata F. M. Reed 1925-5-23 5031 Riverside Horsethief Canyon, Temescal Mountains. Comment
  RSA613460  Pectocarya penicillata D. L. Banks, Victor Steinmann 1997-3-13 1432 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
  RSA741101  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-6-5 12082 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  SDSU18681  Pectocarya peninsularis Kristen Hasenstab, M. G. Simpson 2008-4-1 48 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  CDA20945  Pectocarya platycarpa G. F. Hrusa, J. A. Hart 1993-4-4 10596 Riverside Cholla Garden, Joshua Tree N.M. Comment
  CLARK-A1528-2252  Pectocarya platycarpa John C. Roos 1937-5-2 1838 Riverside Frost Reservoir Comment
  JOTR32910  Pectocarya recurvata La Doux, Tasha, Jim Andre 2009-2-28 351 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  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
  UCR279560  Pectocarya recurvata A. C. Sanders, Jim Malusa 2017-3-29 43178 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
  RSA525234  Pectocarya setosa Steve Boyd, Timothy S. Ross 1990-5-11 4611 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UCR249920  Pectocarya setosa A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36790 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  SD234418  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley: Riverside, residence at 1009 Bascomb Drive (Riverside East 7.5' Q) 305 Comment
  RSA0099307  Pelargonium grossularioides A. C. Sanders 2016-6-26 42518 Riverside Peninsular Range: Riverside, UCR Botanic Garden, at west edge of the herb garden. 363 Comment
  CLARK-A1528-37  Pellaea andromedifolia E. Kozloff 1938-1-9 Riverside Corona Comment
  RSA686926  Pellaea mucronata Gale Sphon 1955-5-21 21 Riverside 5 miles south of Banning Comment
  RSA686929  Pellaea mucronata Norman C. Cooper 1947-4-5 2034 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA770702  Pellaea mucronata var. mucronata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4804 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SDSU10925  Penstemon bridgesii H. Wedberg 1962-7-28 996 Riverside Near Black Mtn. Public Campground in San Jacinto Mtns. 2317 Comment
  NY583812  Penstemon centranthifolius F. W. Pennell 1940-4-28 25289 Riverside Route 74; below Ribbonwood, east of San Jacinto Range 1066.8 Comment
  RSA69368  Penstemon centranthifolius G. R. Campbell 1951-5-30 16141 Riverside just west of Cahuilla. 1067 Comment
  UCR99405  Penstemon centranthifolius Scott D. White 1996-8-16 4479 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
  SEINET1004566  Penstemon grinnellii T. B. Salvato, John F. Green 2004-1 574 Riverside San Bernardino Mtns: head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp. 1341 Comment
  JEPS44390  Penstemon labrosus Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4269 1/2 Riverside e Toro Peak (Santa Rosa Mountains); , e of Toro Peak Comment
  RSA402131  Penstemon labrosus N. C. Cooper 1944-7-15 1588 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  SD63335  Penstemon labrosus Walter Bertsch 1957-6-29 957 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2660 Comment
  OBI35637  Penstemon spectabilis Norman C. Cooper 1944-6-17 1422 Riverside San Jacinto Mtns above Banning 1067 Comment
  UCSB26820  Penstemon spectabilis Wilken, Dieter 1969-6-30 Riverside California State Highway 74, 0.5 miles west of Keen Camp Summit, San Jacinto Mtns. Comment
  RSA97001  Penstemon spectabilis R. M. Straw 1953-6-25 485 Riverside Northwest slope of Santa Rosa Mts., along truck trail. 1829 Comment
  UC103117  Penstemon spectabilis var. spectabilis A. W. Anthony Riverside San Jacinto Mts. Comment
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Apr 23 2011
  UCR117342  Penstemon spectabilis var. spectabilis Mitch Provance 1998-3-20 248 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  UCR34884  Pentachaeta aurea L. B. Ziegler 1966-6-21 056 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
  RSA0066308  Pentagramma triangularis 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
  RSA0070721  Pentagramma triangularis Darin L. Banks, Steve Boyd 1995-3-15 64 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  RSA772010  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4961 Riverside 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
  SEINET9628508 Image available Pentagramma triangularis subsp. triangularis C. J. Rothfels, M. D. Windham, J. Beck, A. L. Grisz, E. Schuettpeltz, K. Pryer 2008-5-14 2558 Riverside San Jucinto Mountains, San Bernardino National Forest, South Fork Canyon, south side of Hwy 74, approx. 5.5 km west of Mountain Center (as the crow flies). 651 Comment
  CAS-BOT-BC77531  Peritoma arborea var. arborea L. S. Rose 1927-2-3 s.n. Riverside Palm Springs Comment
  JOTR37437  Perityle emoryi Hodges, Stephen R., T. Hender 2015-12-30 559 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road, near Park Boundary (Stop 2) Comment
  RSA0081614  Perityle emoryi Jim M. Andre 2012-4-11 20833 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  UC708744  Perityle emoryi H. K. Wagnon 1944-5-25 397 Riverside n side near falls Tahquitz Canyon; Palm Springs Comment
  SEINET10800178  Perityle emoryi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-20 Holmgren 6416 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  CHSC99225  Persicaria lapathifolia John C. Dittes; Rudolph A. Dittes 2006-10-30 1424 Riverside South Coast Subregion; San Fernando Valley; Sepulveda Dam Flood Control Basin; ca. 2.2 air-miles southwest of Van Nuys Civic Center, ca. 0.9 air-mile south of Victory Blvd, 0.9 air-mile west of the San Diego Freeway (405), 0.6 air-mile north of the Ventura Freeway (101); next to Apollo Field Model Airport, north bank of the Los Angeles River. Undesignated Section of El Encino Land Grant. 207 Comment
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Mar 10 2015
  HSC25861  Petalonyx thurberi R. W. Spjut 1972-3-30 2352 Riverside Colorado Desert, just W of Palm Desert along Hwy. 74 to the base of the San Jacinto Mtns. 0 Comment
  POM83639  Petalonyx thurberi Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR84623  Petunia axillaris Scott D. White, S. Ogg 1994-4-21 1995 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
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Apr 5 2016
  UCR20986  Petunia parviflora A. C. Sanders, Steve Boyd 1980-5-19 1478 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  CAS-BOT-BC326726  Peucephyllum schottii D. B. Dunn; H. Brown 1947-2-9 2849 Riverside By quadrat III along canyon side, Pushawalla Canyon, Indio Hills Comment
  CAS-BOT-BC326768  Peucephyllum schottii J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills Comment
  LA203888  Peucephyllum schottii Martha Hilend; 1929-12-27 365 Riverside Shafer's Wells Comment
  RSA348924  Phacelia ambigua Robert F. Thorne, R. Rutherford 1964-4-12 33657 a Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  JOTR16716  Phacelia campanularia subsp. campanularia Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF JUMBO ROCKS 1280 Comment
  UC1518620  Phacelia campanularia subsp. campanularia Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55439 Riverside talus slope e bridge (mouth of canyon, e of Whitewater Post Office at s end of bridge); San Bernardino Mts., Whitewater Canyon 411 Comment
  RSA748599  Phacelia campanularia subsp. vasiformis Scott D. White, Justin M. Wood 2009-4-29 12627 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  JEPS2191  Phacelia cicutaria var. hispida M. French Gilman 1845-1 714 Riverside Palm Springs (of Mt. San Jacinto) Mt. San Jacinto Comment
  SJSU11234  Phacelia cicutaria var. hispida N. D. Addy 1962-4-16 Riverside Quail Flat E of Railroad Canyon c. 6.7 mi NE of Elsinore Comment
  UCR260847  Phacelia cicutaria var. hispida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41413 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
  UCR148050  Phacelia crenulata Steve Boyd, Et al. 2004-5-14 11248 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR30094  Phacelia crenulata George K. Helmkamp 1983-4-5 483- 30 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  JOTR35325  Phacelia crenulata var. ambigua Harding, Mitzi, Mark Wheeler 2012-2-28 93 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  RSA0043232  Phacelia crenulata var. ambigua Duncan S. Bell 2009-4-20 302 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UCR241427  Phacelia crenulata var. ambigua Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 25 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  HSC78876  Phacelia distans R. F. Thorne, Drs. Fosberg, Sachet, Herbst 1983-4-23 55445 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office 595 Comment
  POM182077  Phacelia distans P. A. Munz 1932-3-14 11973 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA314656  Phacelia distans Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55445 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA667994  Phacelia distans C. R. Annable 1995-3-15 2280 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  RSA784335  Phacelia distans J. D. Olmsted 1959-4-17 382 Riverside Santa Ana River drainage area. Puente Hills. 0.25 mi N of Prado dam along Hwy 71 on west side of road. 213 Comment
  RSA80989  Phacelia distans G. R. Campbell 1952-4-5 18375 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UC68751  Phacelia distans H. M. Hall April, 1905 5884 Riverside Chuckawalla Bench Colorado Desert Comment
  UC809720  Phacelia distans Philip A. Munz 1949-4-13 13047 Riverside above Cottonwood Springs; Colorado Desert, west end Eagle Mts. 1097 Comment
  UCR116815  Phacelia distans A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23945 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR133956  Phacelia distans Mitch Provance, J. S. Ross 1998-3-27 MOR- 970 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  POM159824  Phacelia fremontii E. C. Jaeger 1926-3-26 s.n. Riverside Quail Springs, Little San Bernardino Mts Comment
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Jun 30 2012
  CLARK-A1656-701  Phacelia minor Theo Glenn 1979-3-11 Riverside Snow Creek Comment
  CLARK-A1703-1209  Phacelia minor Charles S. Papp 1965-4-15 806 Riverside Box Springs Mountains Comment
  RSA700025  Phacelia minor Scott D. White, Michael Honer 2003-4-25 9100 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA78473  Phacelia minor Verne Grant, Alva Grant 1952-3-19 17502 Riverside Near mouth of Whitewater Canyon. Comment
  SBBG34218  Phacelia minor T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  SDSU13339  Phacelia minor C. Matt Guilliams 2000-4-29 10 Riverside Santa Margarita Ecological Reserve, 'Insect Trail'. 1.5 miles NE of Gavalin Mtn. 305 Comment
  SFV11870  Phacelia minor R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCSB5413  Phacelia minor Koran, Jr., John 1958-3-28 Riverside 13 miles North of Palm Springs on Highway 111 Comment
  UCR160975  Phacelia ramosissima Narca A. Moore-Craig 1984-4-5 s.n. Riverside San Jacinto Wildlife Area, c. 2 mi. north of Lakeview, c. 0.5 mi. east of Davis Rd. at headquarters 506 Comment
  RSA632472  Phacelia ramosissima var. latifolia Scott D. White 1998-6-17 6748 Riverside Gavilan Hills: Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. Comment
  CLARK-A1528-4799  Phalaris paradoxa John C. Roos 1952-5-21 5702 Riverside San Jacinto River 426 Comment
  JEPS1860  Pholistoma membranaceum S. B. Parish Mar 1882 Riverside Cabezon Station Colorado Desert, Cabezon Station Comment
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Jul 15 2009
  RSA296149  Phoradendron californicum Barry A. Prigge 1980-8-19 3995 Riverside Whitewater Canyon: 1.0 mi. uostream from trout farm. 747 Comment
  UC1039596  Phoradendron californicum H. L. Mason 1928-3-11 4233 Riverside desert flats near Indio Comment
  UCR48552  Phoradendron californicum J. Glazner 1985-3-30 s.n. Riverside Sonoran (Colorado) Desert, Just south of I-10 at Box Canyon Road, 4 mi. west of Chiriaco Summit 274 Comment
  UCSB18192  Phoradendron californicum Copeland, Jerry 1964-5-10 Riverside About 100 feet east of Highway 74, 3 miles south of Palm Desert Comment
  JOTR31182  Phoradendron densum La Doux, Tasha, G. Clifton 2009-5-14 1979 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  UCR92786  Phoradendron densum Scott D. White 1995-12-24 3796 Riverside Lakeview Mtns., Juniper Flats Road, c. 1.2 road mi north of the junction w/ SR 74. 610 Comment
  RSA296146  Phoradendron villosum Barry A. Prigge 1980-8-18 3973 Riverside San Bernardino Mountains, Whitewater Canyon; 3.5 miles upstream from trout farm. 991 Comment
  RSA482012  Phoradendron villosum Richard Noyes, L. Arnseth 1988-9-10 723 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild. 1875 Comment
  CAS-BOT-BC260906  Phragmites australis W. R. Dudley 1903-12-29 s.n. Riverside Palm Springs Comment
  UCR85428  Phragmites australis subsp. americanus A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15883 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  SD119900  Physalis acutifolia Kenneth Chapman 1971-8-22 424 Riverside San Jacinto Valley - west side - growing along edges of cultivated fields 472 Comment
  JEPS8988  Physalis crassifolia W. L. Jepson and W. C. Mathews May 1914 6028 Riverside n of Indio (County Well); Colorado Desert Comment
  JEPS8993  Physalis crassifolia S. B. Parish 1912-10-23 8325 Riverside near Mecca; Chuckwalla Mts. Comment
  RSA0042380  Physalis crassifolia Duncan S. Bell, LeRoy Gross 2014-3-13 6237 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA28050  Physalis crassifolia I. L. Wiggins 1941-3-27 9673 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  UCR60764  Pilularia americana R. F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  SEINET2149953  Pinus californiarum S. Langer 1999-1 s.n. Riverside from edge of dirt road off Highway 371, Santa Rosa Mountains. Comment
  RSA0051595  Pinus cembroides var. parryana Elliott Waite 1950-4-30 s.n. Riverside Vanderventer Flats 1524 Comment
  UC64435  Pinus flexilis W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1452 Riverside Santa Rosa Peak Comment
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Nov 7 2015
  SEINET10530738  Pinus flexilis David B. Dunn 1946-8-17 Dunn 2711 Riverside Found on N side of Laquitz Peak. San Jacinto Mts. 2675 Comment
  UCSB9245  Pinus monophylla Wilson, Richard 1958-5-18 Riverside At pinon Flats on State highway 74 Comment
  UCR145964  Piptatherum miliaceum June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR88436  Pityrogramma triangularis A. C. Sanders, K. C. Rose 1995-4-5 16347 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR91856  Plagiobothrys arizonicus A. C. Sanders, S. Hawkins 1996-4-24 18080 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  UCR177420  Plagiobothrys canescens Scott D. White, Michael Honer 2003-4-4 8944 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR92698  Plagiobothrys canescens A. C. Sanders, O. F. Clarke 1996-4-13 18038 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  RSA614194  Plagiobothrys collinus var. californicus A. C. Sanders 1997-3-1 19757 Riverside E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch, E of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  RSA700096  Plagiobothrys collinus var. californicus Virginia Moran 2003-4-2 s.n. Riverside Collected from Warm Springs Preserve, managed by the Center for Natural Lands Management. Located approximately 8 km. north of Temecula, approximately 3 km. northeast of the end of Hunter Road. Comment
  UCR20645  Plagiobothrys collinus var. californicus O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR267159  Plagiobothrys collinus var. californicus Mitch Provance, Matt Amalong 2015-3-25 315- 19 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  RSA752563  Plagiobothrys leptocladus Justin M. Wood 2009-3-3 329 Riverside Between the cities of Murrieta and Temecula, near the confluence of Warm Springs Creek and Murrieta Creek in a large open flood control field. 341 Comment
  UCR266326  Plagiobothrys leptocladus D. E. Bramlet 1991-4-29 2083 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  RSA85110  Plagiobothrys tenellus J. C. Roos 1952-4-29 5594 Riverside Reche Canyon 457 Comment
  UCR138141  Plagiobothrys tenellus D. L. Banks, V. W. Steinmann 1997-3-13 1447 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  RSA750552  Plantago erecta Scott D. White, Justin M. Wood 2009-5-21 12876 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  RSA85580  Plantago erecta J. C. Roos 1952-4-2 5461 Riverside Box Springs. 488 Comment
  UCR225437  Plantago erecta A. C. Sanders 2011-3-29 38834 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  UCR226077  Plantago erecta A. C. Sanders, T. B. Salvato 2011-4-1 38946 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  UCR232036  Plantago erecta John F. Green 2008-4-24 11- 01 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, vicinity of Kimes Ln. 511 Comment
  UCR50431  Plantago erecta Bill Wagner 1988-3-2 s.n. Riverside Peninsular Range, Glenoaks Road, c. 2.5 mi south of Lake Skinner and c. 8 mi NE of Temecula. 564 Comment
  RSA0035040  Plantago insularis var. fastigiata A. N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Coachella. Comment
  UCR232039  Plantago lanceolata John F. Green 2008-4-22 04- 01 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  SDSU13609  Plantago major W. Miller, C. Mosse 1972-7-21 Riverside Comment
  UCR92086  Plantago major Scott D. White, S. Ogg 1994-10-17 2476 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  RSA0021552  Plantago ovata Duncan S. Bell 2012-3-4 3136 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA0119999  Plantago ovata Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9090 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  UCR196375  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR60796  Plantago ovata Steve Boyd, Orlando Mistretta 1986-3-13 1432 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  RSA704545  Plantago ovata var. fastigiata LeRoy Gross 2005-3-3 1577 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SD248470  Plantago patagonica Mitch Provance 2012-4-24 412 09 Riverside San Gorgonio Pass: Smith Creek SW of Banning, near corner of Sunset Ave and Bobcat Road (Beaumont 7.5'Q) 735 Comment
  UCR97456  Platanus racemosa A. C. Sanders 1997-3-1 19756 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  POM305820  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1039 Riverside Elsinore - Capistrano. Comment
  UC167975  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCR113138  Platystemon californicus A. C. Sanders 1998-3-11 21686 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR49228  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM47181  Pleuraphis rigida Mary F. Spencer 1920-3-17 1529 Riverside Whitewater. Comment
  LA203877  Pleurocoronis pluriseta Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9572 Riverside Mecca Hills 2 mi. up Painted Canyon Comment
  UCR189287  Pluchea odorata Fred M. Roberts, S. Leatherman 2007-9-19 6586 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  POM4882  Pluchea sericea Robinson, Crocker 1916-7-3 S.N. Riverside Elsinore. Comment
  UCR81687  Pluchea sericea J. M. Stewart 1994-5-2 856 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  RSA769821  Poa howellii E. W. Lathrop 1973-6-28 7437 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  CAS-BOT-BC247396  Poa pratensis H. M. Hall 1901-7-1 2482 Riverside San Jacinto Mountains. In Tamarack Valley 2804 Comment
  UCR201616  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  POM204879  Poa pratensis S. F. Blake 1901-6-2 s.n. Riverside Rayneta, Riverside County Comment
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May 26 2013
  CAS-BOT-BC237697  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-20 307 -1 Riverside Next to Highway 79 E of Rancho California (Temecula) on banks of river Comment
  SBBG56756  Poa secunda R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  UC336957  Poa secunda subsp. secunda unknown 1988-4-14 5462 Riverside Elsinore Comment
  UCR256774  Polygonum argyrocoleon T. B. Salvato, Matthew Malle 2013-5-20 7584 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA155556  Polygonum argyrocoleon L. S. Rose 1962-3-2 62011 Riverside La Quinta 3 Comment
  UCR180059  Polygonum aviculare Mitch Provance 2005-5-18 9816 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  CLARK-A1528-3788  Polygonum lapathifolium Art Whistler 1966-5-18 8 Riverside University of California Comment
  SBBG61494  Polygonum sawatchense R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  UCR96808  Polypodium californicum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19763 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UCR23346  Polypodium hesperium John C. Roos 1936-9-15 2512 Riverside San Jacinto Mountains, Devil's Slide Trail above Idyllwild. Comment
  RSA0051251  Polypogon monspeliensis John C. Roos 1952-4-23 5576 Riverside West side of Box Springs Mts. above Canyon Crest Heights. 457 Comment
  UCSB30923  Polystichum munitum Parker, V. 1974-5-7 Riverside San Jacinto Mtn., on Hwy 74, E of Hemet on the E side of the mountain. 1310 Comment
  UCR208905  Populus X parryi E. C. Jaeger 1925-3-1 s.n. Riverside San Jacinto Mountains, Snow [Creek] Canyon 457 Comment
  CAS-BOT-BC102601  Populus fremontii Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  CSUSB805  Populus fremontii Eugene Cardiff, Ken Smith 1954-4-5 Riverside Santa Ana River Santa Ana River near Pedly. Comment
  SEINET10538904  Populus fremontii David B. Dunn, A. Folsom 1948-6-17 Dunn 3812 Riverside By quad one. At camp in pushawalla canyon under palms. Comment
  JOTR31820  Porophyllum gracile La Doux, Tasha, Bill Truesdell 2007-11-9 2526 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  LA39078  Porophyllum gracile W. Pequegnat; 1939-4-8 41 Riverside Santa Ana Mountains Comment
  JOTR29089  Portulaca halimoides La Doux, Tasha, Bill Truesdell 2003-9-24 1259 Riverside Joshua Tree National Park. Queen Mountains, along trail to Barker Dam 1296 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
  UCR202447  Potentilla glandulosa Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  POM12094  Potentilla gracilis var. elmeri Mary F. Spencer 1921-6-10 1860 Riverside Idyllwild. 1616 Comment
  UCR179752  Prunus cerasifera Mitch Provance 1996-3-5 1076 Riverside Santa Ana River Wash, Anza Narrows Park 232 Comment
  CAS-BOT-BC151123  Prunus fremontii Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC151126  Prunus fremontii L. R. Abrams 1926-3-26 11067 Riverside Palm Springs to Palm Canyon Comment
  JEPS44629  Prunus ilicifolia W. L. Jepson 1901-5-19 1267 Riverside journey from Riverside to Santa Rosa Peak and Palomar (Upper San Jacinto Valley, San Jacinto River Canyon); Upper San Jacinto Valley, San Jacinto River Canyon 609 Comment
  CLARK-A1528-4851  Psathyrotes ramosissima John C. Roos 1947-2-1 3227 Riverside Painted Canyon Comment
  UCR20412  Psathyrotes ramosissima Dr. H. de Forest 1929-3-16 s.n. Riverside Sonoran (Colorado) Desert, San Gorgonio Pass Comment
  UC1929958  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  UCR280957  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers 2017-6-8 617- 12 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. 366 Comment
  RSA393770  Psilocarphus brevissimus E. Dean 1929-5-5 8747 Riverside Near Elsinore Comment
  CLARK-A1045-106  Psoralea californica George K. Helmkamp 1978-5-20 Riverside Pinyon Flats Campground southwest 1/4 Palm Desert 15'Q Comment
  SBBG46429  Psorothamnus arborescens C. H. Muller 1952-5-21 9515 Riverside outwash plain at mouth of Morongo Cyn Comment
  CAS-BOT-BC353584  Psorothamnus arborescens var. simplicifolius H. M. Hall 1905-5-1 6024 Riverside Cottonwood Mountains, Colorado Desert 609 Comment
  SD121836  Psorothamnus arborescens var. simplicifolius C. H. Muller 1952-5-21 9515 Riverside Outwash plain at mouth of Morongo Canyon. Comment
  CAS-BOT-BC353639  Psorothamnus emoryi Mrs. Robert Campbell 1921-11-26 8 Riverside Palm Canyon Comment
  RSA0027565  Psorothamnus emoryi April Garbat, Kristin Forgrave, Deidre Conocchioli 2013-8-14 99 Riverside From Desert Center, take Hwy 177 for 16.9 miles. Turn right (E) on Coxcomb Monument Rd/ Palen Pass Rd. 183 Comment
  CAS-BOT-BC340870  Psorothamnus schottii Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  CAS-BOT-BC340924  Psorothamnus schottii Elizabeth McClintock 1964-4-8 s.n. Riverside East of Indio Comment
  GMDRC5486  Psorothamnus schottii J. Andre 2012-4-11 20847 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi. due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit 624 Comment
  JEPS119492  Psorothamnus schottii Clark Cowan 1978-4-23 1168 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Comment
  RSA113923  Psorothamnus schottii Percy C. Everett, E. K. Balls 1956-5-2 31555 Riverside 4 mi. N from turn-off Hwy. 60/70, W of Desert Center, on rd. to Eagle Mt. Pumping Sta., 305 Comment
  SBBG3320  Psorothamnus schottii H. and M. Dearing 1936-12-25 790 Riverside Thousand Palms Cyn Comment
  SD229163  Psorothamnus schottii Dick Schwenkmeyer 2012-11-6 856 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCSB3058  Psorothamnus schottii Yokoyama, Howard 1953-3-22 Riverside Morongo Canyon Comment
  SEINET3407795 Image available Psorothamnus spinosus Wesley O. Griesel 1958-6-7 Riverside Colorado Desert near Palm Springs, Riverside County, California. Elevation sea level. Comment
  SEINET12155968  Psorothamnus spinosus Unknown 1936-1 12795 Riverside Colorado Desert N of Palm Springs Comment
  SEINET951772  Pteridaceae Scott D. White 1996-1 3832 Riverside Lakeview Mountains, N of Winchesster, at 'Maze Stone' Picnic Area 609 Comment
  UCSB26209  Pteridium aquilinum Gliessman, Stephen 1968-7-18 Riverside Along Saunders Road, 0.5 mile north of junction with Idyllwyld Road, San Jacinto Mountains 1600 Comment
  RSA612497  Pterostegia drymarioides D. L. Banks 1997-2-23 1320 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
  RSA612950  Pterostegia drymarioides D. L. Banks 1997-3-29 1619 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR107392  Pterostegia drymarioides B. G. Pitzer 1997-3-23 2973 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
  UCR102901  Purshia glandulosa Bern Schwenn 1998-5-9 s.n. Riverside Mojave Desert, Joshua Tree National Park, upper Smith Water Canyon, near Lower Covington Flat Picnic Area 1357 Comment
  UC217995  Purshia tridentata var. glandulosa P. A. Munz and I. M. Johnston 1922-5-20 5494 Riverside Kenworthy; San Jacinto Mts. 1432 Comment
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Mar 25 2011
  UCD170868  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  CAS-BOT-BC86600  Quercus X munzii Philip A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshue Tree National Monument 1219 Comment
  RSA596183  Quercus agrifolia var. agrifolia D. L. Banks 1996-11-7 1209 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, 0.5 km W of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 427 Comment
  SD167108  Quercus agrifolia var. agrifolia A. C. Sanders 2005-8-12 31551 Riverside San Jacinto Mountains; western edge of Vandeventer Flat along Highway 74. 1433 Comment
  SEINET10957811  Quercus agrifolia var. agrifolia Greg Gust, Leith Nye 2005-3-11 Gust 552 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  POM49869  Quercus berberidifolia P. A. Munz, I. M. Johnston 1924-7-29 8863 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  SD248432  Quercus berberidifolia Jeremiah George 2012-8-7 70812 3 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Highway 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR250404  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 1 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR250922  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 6 Riverside San Jacinto Mtns. Foothills/San Gorgonio Pass, south of Beaumont, just east of intersection Highland Springs Ave. and Circle C Ranch 747 Comment
  JEPS38046  Quercus chrysolepis C. V. Meyer Jun 1927 165 Riverside Saunder's Meadow 1737 Comment
  RSA476547  Quercus chrysolepis N. C. Cooper 1943-9-11 903 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  SBBG55971  Quercus cornelius-mulleri C. H. Muller, K. K. Muller 1983-4-15 11764 Riverside 0.5 mi S of Sage Forest Fire Stn, 13.4 mi S of Hemet 1639 Comment
  CLARK-A1528-2921  Quercus dunnii John C. Roos 1956-9-14 3016 Riverside San Jacinto Mountains 1371 Comment
  POM122565  Quercus kelloggii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SD229178  Quercus kelloggii Dick Schwenkmeyer 2012-4-18 706 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
  UCSB1180  Quercus kelloggii Wilson, Richard 1958-5-17 Riverside 15 miles SE of Banning on State 74 1524 Comment
  RSA39264  Quercus turbinella P. A. Munz 1946-10-19 11569 Riverside 1 miles east of Anza. 1159 Comment
  UCR209590  Quercus wislizeni Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. SW of the corner of Dailey Rd. and Sullivan Rd. 671 Comment
  RSA0097941  Quercus wislizeni var. frutescens Marc A. Baker, Chris Taylor, Paul Roberge 2015-7-9 18403 .1 Riverside San Gorgonio Pass, 34 km WNW of central Palm Springs, 300m south of the San Gorgonio River, 3 km ENE of Banning. 662 Comment
  UCSB34690  Quercus wislizeni var. frutescens Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 15.5 mi northwest of Idyllwild on Calif. Hwy 243; San Jacinto Mtns Comment
  UC1523405  Rafinesquia californica Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54074 Riverside ca 3.2 mi n Whitewater P.O. and Hwy 10 (branch ravine running w from Whitewater Canyon, w of road); San Bernardino Mts., Whitewater Canyon 609 Comment
  JEPS29477  Rafinesquia neomexicana Lauramay T. Dempster 1962-4-17 1894 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  RSA0124373  Rafinesquia neomexicana Duncan S. Bell, LeRoy Gross 2016-3-31 9197 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  VVC1723  Rafinesquia neomexicana Jim Andre, T. La 2009-3-10 11240 Riverside Colorado Desert, Joshua Tree Natl. Park; south end of the Cottonwood Mtns near Pinkham Wash just N of aquaduct just inside JTNP boundary, approx 7 mi W of S entrance into park at Cottonwood. 542 Comment
  UC1608231  Ranunculus hebecarpus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6759 Riverside Tenaja Trail from jct with Morgan Tr. s to Pigeon Spring area; Santa Ana Mountains, San Mateo Cyn. Wilderness Area 670 Comment
  UC1931082  Ranunculus sceleratus Scott D. White, Justin Wood 2008-7-9 12441 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UCR230210  Rhamnus crocea A. C. Sanders 2011-4-6 38976 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-BC56045  Rhamnus ilicifolia L. R. Abrams 1908-7-21 s.n. Riverside Santa Ana Mountains, near Elsinore Comment
  CAS-BOT-BC56052  Rhamnus ilicifolia Vernon Bailey 1907-7-26 1194 Riverside Temescal Comment
  HSC46613  Rhamnus ilicifolia Christopher Davidson 1977-5-18 5620 Riverside Cleveland National Forest, Bear Springs 1220 Comment
  JOTR16836  Rhamnus ilicifolia Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  RSA210968  Rhamnus ilicifolia C. W. Tilforth 1969-7-24 212 Riverside About 5 mi. south of Hemet, east of County Highway R-3. Comment
  UCR133453  Rhamnus ilicifolia Tracy Tennant, J. S. Ross 1998-7-28 MOR- 669 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, upper Millard Cyn. (polygon M16) 1372 Comment
  UCR23453  Rhamnus ilicifolia John C. Roos, Lucille Roos 1949-4-23 4284 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Munsen Canyon Comment
  RSA740829  Rhamnus tomentella subsp. cuspidata Scott D. White, Justin M. Wood 2008-7-8 12388 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  RSA801731  Rhododendron occidentale LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6176 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  HSC99159  Rhus aromatica Paul J. CaraDonna 2008-1 124 Riverside Jumbo Rock Campground, N of site 78, Joshua Tree National Park. 1329 Comment
  JOTR35932  Rhus aromatica De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6880 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  UCR25781  Rhus aromatica John C. Roos 1953-4-13 5524 Riverside Riverside, Box Springs Mountains 489 Comment
  UCR174320  Rhus laurina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32555 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC167972  Rhus ovata Ernest Braunton 1929-3-3 1026 Riverside Morongo Pass, San Bernardino Co. near Riverside Co. line 152 Comment
  CLARK-A1528-118  Rhus ovata I. Rauch 1968-5-14 Riverside Santa Ana Mountains Comment
  POM210815  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mountains. 1067 Comment
  RSA386390  Rhus ovata N. C. Cooper 1947-4-5 2029 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SD137932  Rhus ovata Darin L. Banks, Steve Boyd 1995-3-16 108 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove, north slope of Wildhorse Peak on Wildhorse trail 669 Comment
  UC124173  Rhus ovata J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  UC472805  Rhus ovata Mary F. Spencer Aug 1925 287 Riverside Idyllwild; San Jacinto Mountains 1524 Comment
  UCSB3758  Rhus ovata Kamb, Peter 1947-3-3 Riverside Upper Sonora Zone; Banning-Idyllwild road below Barton lookout, San Jacinto Mts. 914 Comment
  SD216460  Rhus trilobata Jay B. Walker 1995-5-4 1412 Riverside San Bernardino National Forest. 1 kilometer South of Pinyon Flat campground. 1299 Comment
  RSA544412  Rhus trilobata var. pilosissima Steve Boyd, Timothy S. Ross 1991-6-14 6380 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  RSA263745  Ribes amarum E. W. Lathrop 1968-5-22 6911 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
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Sep 15 2010
  RSA522733  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3839 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR87940  Ribes indecorum A. C. Sanders 1994-1-30 14229 Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  UCR96802  Ribes indecorum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19768 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UCR117671  Ribes malvaceum Scott D. White 1997-5-25 5229 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  SDSU20377  Ribes montigenum Michael G. Simpson, Matt Guilliams, Michael Silveira, Lori Simpson 2007-6-25 2901 Riverside San Jacinto mountain, ca. 100 feet northeast of peak. 3287 Comment
  RSA134226  Ribes nevadense Peter H. Raven, Richard Snow 1957-7-26 11114 Riverside Along stream 2.0 mi. S of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto mts. Comment
  SD229187  Ribes nevadense Dick Schwenkmeyer 2012-6-27 753 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA524470  Ribes quercetorum Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-5-3 4073 Riverside Vail Lake area, upper branches and adjacent slopes of E flank of Big Oak Mtn, just S of the E summit. 610 Comment
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Feb 22 2013
  RSA709708  Ribes quercetorum A. C. Sanders 2004-5-5 27766 Riverside Gavilan Hills: Route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  UC55240  Ribes roezlii H. M. Hall 1902-4-7 2762 Riverside Middle Fork San Jacinto River San Jacinto Mountains 1310 Comment
  POM315  Romneya coulteri I. M. Johnston 1918-5-30 2012 Riverside Temescal Canyon 366 Comment
  UCR264074  Romneya coulteri S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1072 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  RSA575842  Rosa californica Steve D. Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 329 Comment
  PASA1192  Rosa gratissima Sally Ellis 1939-6-24 Riverside Halona Comment
  SEINET892305  Royena microphylla Steve Morgan 1995-1 Riverside Riverside: UCR Botanic Garden, south edge of the garden at the dge between the South African and Australian sections Comment
  POM366414  Rubus parviflorus N. C. Cooper 1949-6-29 4338 Riverside Pine Cove. 1829 Comment
  UCR91544  Rumex dentatus Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  UCR132909  Rumex salicifolius 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
  UCR167685  Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-6-23 1296 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA466124  Rumex salicifolius var. denticulatus M. B. Dunkle 1933-7-20 3703 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR266491  Rumex violascens Mitch Provance, Matt Amalong 2015-4-6 415- 16 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  SEINET10389834  Salazaria mexicana A. C. Sanders, Jim Malusa 2015-9-10 41857 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UC909938  Salazaria mexicana I. W. Clokey 1935-4-17 6967 Riverside Cottonwood Springs Comment
  UCR114253  Salicornia virginica Stan C. Spencer 2000-2-1 s.n. Riverside Temecula Valley, Murrieta Creek at confluence with Empire Creek (Long Canyon) 329 Comment
  CAS-BOT-BC103898  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  UCR41239  Salix exigua N. M. Fellows 1985-3-3 79 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
  POM2038  Salix gooddingii D. L. Crawford, I. M. Johnston 1917-6-9 1215 Riverside Santa Ana River near Corona. 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
  UCD110987  Salix gooddingii A. C. Sanders 2004-6-20 28219 Riverside Peninsular Range: Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA772064  Salix laevigata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4461 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
  UCR92667  Salix laevigata Scott D. White 1996-3-31 3869 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
  POM362787  Salix lasiolepis N. C. Cooper 1947-4-5 2104 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SD229282  Salix lasiolepis Dick Schwenkmeyer 2012-3-26 674 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx Ao mile north of Highway 74, just east of Morris Ranch Road. 1356 Comment
  UC1134994  Salix lasiolepis A. Lewis 1934-5-1 410 Riverside San Juan Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UCR92671  Salix lasiolepis Scott D. White, Shelton Dowthit, Conservancy volunteers 1996-3-31 3848 Riverside Lake Skinner area, Riverside Land Conservancy conservation easement site, c. 0.5 air mi south of the reservoir, near East Benton Road 534 Comment
  RSA643438  Salsola paulsenii R. D. Goeden, D. W. Ricker 1979-3-29 s.n. Riverside Coachella Valley: Indio, Monroe St., 33 40' 30''N, 116 16'W -6 Comment
  JOTR33924  Saltugilia latimeri La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2815 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
  RSA144726  Salvia apiana Alice Ann Webb, E. A. Phillips 1961-4-4 795 Riverside Palms to Pines Hwy. 915 Comment
  UCR11353  Salvia apiana Dennis E. Kucera 1971-6-2 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Sunnymead (now part of city of Moreno Valley) 625 Comment
  POM7001  Salvia carduacea P. A. Munz, L. T. Street, G. Williams 1919-3-28 2459 Riverside Palm Springs. 701 Comment
  RSA543192  Salvia carduacea Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6112 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
  RSA69373  Salvia carduacea G. R. Campbell 1951-5-30 16142 Riverside Just east of Cahuilla. 1098 Comment
  UC1563119  Salvia carduacea Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3235 Riverside n of Wilson Creek (valley at ne end of Vail Lake); Vail Lake Area 487 Comment
  UCLA70110  Salvia carduacea L. Haines and L. Erickson 1937-4-9 Riverside near Winchester Comment
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Mar 20 2011
  UCR215631  Salvia carduacea Bao Doan 2010-5-31 15 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. south of San Gorgonio River wash, north of Riza Ave. in power line right-of-way 472 Comment
  RSA175251  Salvia columbariae Robert F. Thorne 1963-3-29 32435 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 534 Comment
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Apr 24 2011
  RSA401482  Salvia columbariae Robert M. Perkins 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  RSA401484A  Salvia columbariae P. J. Remple 1942-3-2 s.n. Riverside Garnet Station. Comment
  UCLA70033  Salvia columbariae Virginia Mars 1951-4-21 Riverside Hidden Springs Comment
  UCR174625  Salvia columbariae Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 107 Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCR4171  Salvia columbariae R. H. Sauer 1965-4-7 s.n. Riverside Box Springs Mtns., just east of [railroad] tracks c. 0.25 mi. south of end of Big Springs Road, Riverside. 366 Comment
  UCR91454  Salvia columbariae Scott D. White 1995-3-30 2670 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
  UCSB45285  Salvia columbariae Noel, Tera 1977-3-6 Riverside Box Canyon Wash; 12 miles on Ave.66 from junction with California 86 below 609 Comment
  UCSC001513  Salvia columbariae Peter Kamb 1948-4-11 898 Riverside Banning-Indio Highway east of Whitewater Wash. Banning-Indio Highway, Whitewater Wash. - Coachella Valley 457 Comment
  SBBG6488  Salvia eremostachya H. and M. Dearing 1937-3-30 1773 Riverside Palms to Pines Hwy Comment
  UC129483  Salvia greatae H. M. Hall 1905-4-22 5848 Riverside near Dos Palmas, Colorado Desert, Riverside Co. Comment
  UC354507  Salvia greatae Edmund C. Jaeger 1926-2-24 Riverside Canyon Springs Wash Colorado Desert, Blake Sea (above the sea-line of ancient Blake Sea on the Colorado Desert) 30 Comment
  UCLA70164  Salvia greatae H. M. Hall and L. A. Greata 1905-4-22 5848 Riverside near Dos Palmas; Colorado Desert Comment
  RSA552756  Salvia mellifera Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6742 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  UCR260564  Salvia mellifera T. B. Salvato 2014-5-29 8038 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UCR35339  Salvia mellifera L. B. Ziegler 1969-4-25 346 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  JOTR37448  Salvia mohavensis Hodges, Stephen, T. Green 2016-5-24 570 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  RSA434172  Salvia pachyphylla Christopher Davidson 1978-6-15 7382 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2088 Comment
  CAS-BOT-BC233342  Salvia vaseyi Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  CAS-BOT-BC233346  Salvia vaseyi D. A. Johansen; J. A. Ewan 1932-4-11 7077 Riverside Martinez Canyon, Santa Rosa Mts. 365 Comment
  UC1080395  Salvia vaseyi E. K. Balls and P. C. Everett 1957-8-20 22669 Riverside 6.6 mi sw Palm Village (along State Hwy 74 (jct State Hwy 111)) 502 Comment
  RSA650335  Sambucus mexicana G. Foster 1961-5-12 s.n. Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  UCR98209  Sambucus mexicana B. G. Pitzer 1997-4-1 3053 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UC1929736  Sanicula arguta Scott D. White, Justin Wood 2008-4-3 11793 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  RSA586127  Sanicula crassicaulis D. L. Banks 1995-4-11 170 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, E of the Dripping Springs Trail. 950 Comment
  SEINET4566951 Image available Sarcostemma hirtellum Scott D. White 2001-4-17 8337 Riverside Sonoran Desert: Shavers Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10/ SR 111. Bajadas, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UCR214694  Schismus arabicus A. C. Sanders 2010-3-25 37629 Riverside Sonoran (Colorado) Desert; Salton Trough, northeast side of the Salton Sea, Hwy 111 at Mortmar near North Shore (Desert Beach), near Marina Dr. -60 Comment
  SEINET10597117  Schismus arabicus Charles L. Hitchcock, C. V. Muhlick 1962-3-16 Hitchcock 22139 Riverside Temescal Cayon, 8 mi SE of Corona, in open sandy wash. Comment
  JOTR29086  Schismus barbatus La Doux, Tasha 2005-3-30 1203 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA469302  Schismus barbatus Christopher Davidson 1973-4-1 1811 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  SBBG101676  Schismus barbatus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6050 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCD93252  Schismus barbatus D. C. Finfrock 1951-4-4 s.n. Riverside 33 mi. E. of Indio. Comment
  UCR113859  Schoenoplectus acutus var. occidentalis Mitch Provance 2000-6-24 2073 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  SDSU13637  Schoenoplectus americanus W. Miller, C. Mosse 1972-7-11 Riverside Comment
  CAS-BOT-BC111018  Scirpus microcarpus H. M. Hall 1901-6-1 2289 Riverside Along water courses in the vicinity of Strawberry Valley, San Jacinto Mts. Comment
  CAS-BOT-BC111021  Scirpus microcarpus M. F. Spencer 1919-6-28 1234 Riverside San Jacinto Mt., Idyllwild. 1645 Comment
  SBBG54856  Scrophularia californica D. Keil, M. McLeod 1977-3-26 12023 Riverside 0.7 mi W of jct with Riverside Country Rd R-3 (to Hemet) along St Hwy 79 Comment
  UCR124658  Scrophularia californica B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1480 Riverside Gavilan Hills, north of Gavilan Peak, west of Perris 549 Comment
  CAS-BOT-BC341108  Scutellaria mexicana Ivan Johnston 1917-4-4 1115 Riverside Palm Canyon Comment
  SD90502  Scutellaria siphocampyloides Robert F. Thorne, J. P. Simon and C. W. Tilforth 1969-6-24 38090 Riverside Above James Reserve in Hall Canyon, San Jacinto Mountains. 1676 Comment
  RSA559460  Scutellaria tuberosa Steve Boyd, T. S. Ross 1992-5-4 7207 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR48495  Selaginella bigelovii Steve Boyd 1985-12-24 1195 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  POM47173  Selaginella eremophila Mary F. Spencer 1920-4-1 1468 b. Riverside desert near Palm Springs 121 Comment
  UC218674  Selaginella watsonii P. A. Munz 1922-7-7 6045 Riverside summit San Jacinto Peak 3285 Comment
  CAS-BOT-BC363484  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside Hills about 5 miles n.e. of Aguanga Comment
  RSA305658  Senecio flaccidus var. douglasii C. W. Tilforth, Walter Wisura 1979-10-11 1921 Riverside Thomas Mtn. Rd., 10.4 mi. from north jct. with Hiway 74, south of Lake Hemet, Garner Valley. Comment
  RSA472989  Senecio flaccidus var. douglasii I. W. Clokey 1935-8-21 6777 Riverside Keen Camp P.O. 1350 Comment
  SBBG124871  Sequoia sempervirens S. C. White, J. M. Wood 2009-5-22 12922 Riverside Halfway Spring, accessed via Old Control Rd 1159 Comment
  UC1529476  Sesbania herbacea A. C. Sanders 1985-8-24 5950 Riverside near Oasis (lower Coachella Valley, e side of Hwy 195, ca 0.5 mi n of intersection with Hwy 86, and just n of Ave 76); Coachella Valley -51 Comment
  CAS-BOT-BC516743  Sesuvium verrucosum S. J. Myers 2014-4-29 s.n. Riverside Sonoran (Colorado) Desert: Coachella Valley, c. 1.2 mi SE of Mecca at jct of 68th St. & Johnson Ave. -60 Comment
  POM767  Sesuvium verrucosum I. M. Johnston, P. Munz 1918-5-27 2165 Riverside Lake Elsinore. Comment
  SEINET238485 Image available Sesuvium verrucosum A. C. Sanders, D. Bramlet; Mihai Costea T. Salvato 1999-1 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1 mile W of Jackrabbit Trail on Gilman Springs Rd. 0.4 mi. W of Quail L 436 Comment
  CSUSB591  Sidalcea malviflora J. E. Parlevlief 1958-5-11 Riverside Along highway 74, about 3/4 mile west of summit of road on the El Cariso campgrounds 761 Comment
  UC1979569  Sidalcea malviflora Darin L. Banks, Steve Boyd 1995-5-9 0405 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR91628  Sidalcea malviflora subsp. malviflora D. L. Banks, Steve Boyd 1995-5-9 405 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 738 Comment
  POM157934  Sidalcea malviflora subsp. sparsifolia P. A. Munz 1927-5-21 10836 Riverside Coahuila [Cahuilla] Valley. 1220 Comment
  RSA660659  Sidalcea malviflora subsp. sparsifolia A. C. Sanders, Steve D. Boyd 1980-4-17 s.n. Riverside Pine Meadow in upper Garner Valley, along Hwy 74, 0.7 mi. E of junction with Hwy 371. 1524 Comment
  CAS-BOT-BC109457  Sidotheca caryophylloides Frank W. Peirson 1924-7-29 5019 Riverside San Jacinto Mountains. Banning-Idlewild Road. 1767 Comment
  RSA801950  Sidotheca trilobata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6161 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  SDSU13917  Silene gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2132 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR97669  Silene gallica A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19902 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  CAS-BOT-BC389576  Silene parishii Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mt. 2438 Comment
  UC465645  Silene parishii F. M. Reed 1908-7-12 2548 Riverside near Surprise Lake; San Jacinto Mts., near <?>rizo Lake 2743 Comment
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Jul 22 2010
  CLARK-A1528-4907  Silene parishii var. viscida John C. Roos 1947-9-6 3744 Riverside San Jacinto Mountains Comment
  LA204654  Silene verecunda W. E. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Bedford Rd 4000.0 + ft Comment
  RSA23234  Simmondsia chinensis Ernest Braunton 1940-4-3 2024 Riverside Berdoo Canyon, 10 mi. E. of Indio. 305 Comment
  RSA496125  Simmondsia chinensis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 3002 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  SEINET2444072  Simmondsia chinensis C. Davidson 2010-4-1 11685 Riverside Joshua Tree National Park. Black Eagle Road. ca 1 mi from junction with main park road. 736 Comment
  SEINET3523569 Image available Simmondsia chinensis Jim Andre 2011-2-2 16238 Riverside Coachella Valley: mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 (Moronga Valley 7.5' Q). 487 Comment
  SEINET7248312  Simmondsia chinensis Duncan S. Bell, LeRoy Gross 2014-1 6288 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCR59769  Simmondsia chinensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3002 Riverside Vail Lake Area, Temecula Creek Cyn below Vail Lake dam 457 Comment
  SBBG72157  Sisymbrium altissimum R. Hoffmann 1929-9-7 Riverside Strawberry Valley Comment
  CAS-BOT-BC75184  Sisymbrium erysimoides A. C. Sanders 1994-5-15 14478 Riverside Mount Rubidox. On the northwest side of Riverside on the east bank of the Santa Ana River. 400 Comment
  UCR264743  Sisymbrium erysimoides Steve Boyd, Carol Boyd 2011-3-15 12302 Riverside Peninsular Ranges, Santa Rosa Mountains, Western base of Eisenhower Mountain, southeast of The Living Desert at mouth of Deep Canyon 152 Comment
  UC1921998  Sisymbrium irio Scott D. White, Angelia Carey 2004-5-7 10338 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  UC857010  Sisymbrium irio C. L. Hitchcock 1940-4-1 5922 Riverside Joshua Tree National Monument, Cottonwood Spring wash Cottonwood Spring; Joshua Tree National Monument, Cottonwood Spring Comment
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Sep 11 2011
  RSA272165  Sisymbrium irio John F. Emmel 1975-10-16 540 Riverside Hemet, near intersection of Stanford St. and El Camino Dr. 488 Comment
  RSA736171  Sisymbrium officinale Scott D. White 2008-4-28 11912 Riverside Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. 671 Comment
  RSA0125185  Sisymbrium orientale Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8754 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  UCR166150  Sisymbrium orientale T. B. Salvato, John F. Green 2004-5-27 554 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA598678  Sisyrinchium bellum Louis C. Wheeler 1948-8-28 6702 Riverside San Jacinto Mountains. Wellman's Cienega. 2896 Comment
  UCR256901  Sisyrinchium bellum LeRoy Gross, Caitlin Elam 2013-5-14 6080 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  UC454433  Smilacina stellata I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2286 Com