Search Results — 2000 specimen records retrieved (1906 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0077541  Abies concolor G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  CAS-BOT-BC229322  Abronia villosa Ellsworth Bethel 1918-5-10 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC229354  Abronia villosa L. A. Greata 1905-4-1 390 Riverside Coachella Comment
  CLARK-A1528-3256  Abronia villosa John C. Roos 1946-9-14 3017 Riverside San Jacinto Mountains 1371 Comment
  SBBG69827  Abronia villosa R. Hoffmann 1929-9-4 Riverside Hemet, San Jacinto River Comment
  RSA0030910  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake. 1300 Comment
  UCR216206  Abronia villosa var. villosa Jim Andre, T. La Doux 2009-2-25 10833 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  CLARK-A1528-457  Acacia greggii Charlotte Stocks 1964-8-15 Riverside San Jacinto Mountains 914 Comment
  RSA0070271  Acacia greggii Cheryl Sevilla, Sarah J. De Groot 2015-5-6 80 Riverside Sonoran Desert; Coachella Valley; north of the Santa Rosa Mountains; south of La Quinta; 2.1 air miles west-southwest of Lake Cahuilla. 210 Comment
  UC1128723  Acacia greggii H. S. Yates 1937-6-27 6727 Riverside Mouth of Deep Canyon 304 Comment
  RSA414906  Acacia greggii var. arizonica L. C. Wheeler 1933-12-1 2285 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  CAS-BOT-BC154103  Acamptopappus sphaerocephalus M. McCollum 1976-6-10 s.n. Riverside 4 mi. W. of Desert Hot Springs Comment
  RSA0123757  Acamptopappus sphaerocephalus Duncan S. Bell, LeRoy Gross 2016-3-10 8866 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
  RSA688848  Acamptopappus sphaerocephalus Scott D. White, Michael Honer 2003-5-13 9249 Riverside Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  RSA20309  Acamptopappus sphaerocephalus var. sphaerocephalus Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9539 Riverside 2 Miles from Cottonwood Springs, Cottonwood Mts. Comment
  UC68946  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall 1905-4-1 5869 Riverside Chuckawalla Bench; Colorado Desert Comment
  RSA34578  Achillea millefolium Robert L. Rutherford 1944-7-2 1490 Riverside Palomar Mtn. 1066 Comment
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Jun 15 2013
  RSA714960  Achnatherum hymenoides Sarah J. De Groot, J. Mark Porter 2006-3-14 5204 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  UCD50442  Achnatherum hymenoides F. M. Reed 1907-4-1 2916 Riverside Palm Springs. Comment
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May 1 2011
  UC1133244  Achnatherum speciosum A. Lewis 1933-4-2 181 Riverside San Jacinto quadrangle Comment
  RSA781363  Achyrachaena mollis A. C. Sanders, T. B. Salvato 2011-4-1 38942 Riverside Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  CLARK-A1528-914  Achyronychia cooperi Charlotte Stocks 1963-3-31 Riverside Coachella Comment
  RSA516891  Achyronychia cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1405 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  SEINET957101  Acmispon argophyllus H. S. Gentry 1957-1 16385 Riverside Dripping Springs. 732 Comment
  UCD103976  Acmispon argophyllus B. Pitzer; A. C. Sanders 1987-4-21 498 Riverside Box Springs Mtns, near southernmost radio towers. 792 Comment
  SD234950  Acmispon brachycarpus R. E. Jr. Riefner 2005-8-28 05 649 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  UCSB26908  Acmispon grandiflorus Wilken, Dieter 1969-6-30 Riverside Dark Canyon along County Road R1, 7.0 miles north of Idyllwild, San Jacinto Mtns. Comment
  SD137780  Acmispon micranthus Darin L. Banks, Steve Boyd 1995-4-5 136 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain east of the Dripping Springs Alcove along the Dripping Springs Trail, open hillside 609 Comment
  SBBG51125  Acmispon nevadensis var. davidsonii N. R. Zabriskie, W. Zabriskie 1973-4-6 628 Riverside Andreas Cyn 365 Comment
  SD140106  Acmispon strigosus Scott White 1993-4-22 1242 Riverside North Aberhill Ranch, in hills of Walker Canyon 487 Comment
  CAS-BOT-BC22563  Adenophyllum porophylloides H. M. Hall; Willis Linn Jepson 1901-5-17 1835 Riverside East base of San Jacinto Mountain 762 Comment
  UC31367  Adenophyllum porophylloides H. M. Hall May 17 1901-Jun 1 1901 1835 Riverside East base San Jacinto Mountain 457 Comment
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Sep 17 2011
  CLARK-A1528-3971  Adenostoma fasciculatum John C. Roos 1948-5-22 3861 Riverside Reche Canyon Comment
  RSA596113  Adenostoma sparsifolium D. L. Banks 1996-11-7 1200 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  CAS-BOT-BC69649  Adiantum capillus-veneris Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, 4 mi. e. of Palm Springs. Comment
  UCR41242  Adiantum capillus-veneris N. M. Fellows, A. C. Sanders 1985-4-9 140 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR158947  Adiantum jordanii Scott D. White 1994-6-14 2053 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA711993  Agave A. C. Sanders 1984-8-6 5166 Riverside UCR Botanical Garden. 335 Comment
  UCD52295  Agrostis exarata Peter M. Ray Date Unknown 1934 Riverside Hall Canyon, San Jacinto Mtns. Comment
  UCR87652  Agrostis exarata 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
  SD260152  Agrostis idahoensis Mitch Provance 2015-7-23 715 5 Riverside San Jacinto Mountains: Fern Valley, Strawberry Creek, vicinity of Rim Rock drive (San Jacinto Peak 7.5'Q) 1866 Comment
  RSA192237  Agrostis pallens E. W. Lathrop 1960-5-27 5215 Riverside 6 miles west of Murrieta. Comment
  UCR135837  Agrostis pallens A. C. Sanders 2004-4-20 27540 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
  SD232568  Agrostis scabra Scott D. White 1996-8-1 4433 Riverside San Jacinto Mts.: Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facing mountainside. Deer Spr Ck dry. 1700 Comment
  RSA550271  Aliciella latifolia W. Wisura, John Dolan, Michael Wall 1992-3-24 4625 Riverside 7.7 mi NE of Mecca on Box Canyon Rd. Comment
  SEINET12509589 Image available Aliciella latifolia A. C. Sanders 1983-1 3803 Riverside Sonoran (Colorado) Desert; E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  OBI26126  Aliciella latifolia subsp. latifolia David Keil 1976-12-12 11904 Riverside 5 miles E. of Indio along I-10. Larrea-Atriplex desert. Comment
  NY216672  Allenrolfea occidentalis R. S. Ferris 1958-3-19 13255 Riverside Bottomland 8 mi. N of Blythe on Highway U.S. 95 Comment
  SEINET3105940  Allenrolfea occidentalis Faulkner 1978-3-21 343 Riverside 9 miles N of Blythe, Hwy 95 152 Comment
  CAS-BOT-BC464446  Allium burlewii S. B. Parish; W. F. Parish 1880-6-1 587 Riverside San Jacinto Comment
  RSA100190  Allium haematochiton I. T. Weeks 1955-5-4 s.n. Riverside 1/2 mile east of Gorgeous George s turkey ranch, northwest of Beaumont. Comment
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Jun 15 2011
  SEINET182578  Allium haematochiton I. W. Clokey 1935-4-18 6555 Riverside Cavilan Peak 600 Comment
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Aug 3 2013
  UCR174121  Allium haematochiton A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32612 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
  UC3087  Allium marvinii H. M. Hall June, 1901 2096 Riverside along water courses in the vicinity of Strawberry Valley 1371 Comment
  UCR120806  Allium munzii Ian G. Gillespie 2000-4-19 9 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  UCR42165  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  HSC84077  Allium parryi Dale McNeal 1981-5-20 2545 Riverside Morris Ranch Rd., 2.2 mi. E of Hwy. 74 at Kenworthy R.S., San Bernardino National Forest Comment
  RSA543160  Allium peninsulare Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6090 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UCR26524  Amaranthus blitoides A. C. Sanders, S. Hagopian 1981-5-20 2156 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  UCR119444  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  JOTR30690  Amaranthus fimbriatus La Doux, Tasha, Jim Andre 2008-9-13 269 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  RSA339055  Amaranthus fimbriatus R. F. Thorne, Rolf, Gertrud Dahlgren 53552 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains 1098 Comment
Read comments
Apr 25 2011
  RSA780557  Amaranthus palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 124 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  OBI37490  Amaranthus powellii Steve Boyd 1985-7-23 1025 Riverside De luz rd, 8.5 mi W of rancho Calif 274 Comment
  CAS-BOT-BC13614  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  CLARK-A1528-145  Ambrosia acanthicarpa Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCSB45946  Ambrosia acanthicarpa Roos, John 1965-9-26 Riverside Hemet Valley, San Jacinto Mtns. Comment
  CLARK-A1528-163  Ambrosia dumosa Sally Bell 1964-3-24 Riverside Thousand Palms 60 Comment
  LA202914  Ambrosia dumosa J. A. Ewan; 1931-4-2 4098 Riverside 10 mi. N of Edom Comment
  LA83357  Ambrosia dumosa O. H. Kappler; 1941-4-21 212 Riverside Morongo Pass Area, Desert City Comment
  RSA26835  Ambrosia dumosa I. L. Wiggins 1941-3-24 9575 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  UCR104874  Ambrosia dumosa George K. Helmkamp 1998-4-4 3148 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA0130720  Ambrosia dumosa Glen Rink 2013-3-19 11891 Riverside About twelve west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  SFV21963  Ambrosia ilicifolia J. N. Hogue 2011-3-27 376 .3 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash at Corn Springs. 490 Comment
  POM319666  Ambrosia psilostachya Patricia Wilder 1970-10-15 4769 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  UCR115929  Ambrosia psilostachya Mitch Provance 2000-1-8 1805 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  UCR261173  Ambrosia pumila A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41727 Riverside Elsinore Trough, north of Elsinore on east side of Baker St., 0.28 km east (74 deg. ) of large water tank above Baker, above a forking dirt road 392 Comment
  OBI16020  Ambrosia salsola Lewis S. Rose 1962-3-2 62013 Riverside La Quinta 3 Comment
  UC480979  Ambrosia salsola F. M. Reed 1917-5-19 3833 Riverside and vicinity Riverside (desert near White Water Station); Colorado Desert Comment
  UC912204  Ambrosia salsola var. salsola Herbert L. Mason 1928-3-10 4220 Riverside Hidden Springs Canyon Coachella Mountains Comment
  UC12059 Image available Amelanchier utahensis H. M. Hall May 1899 Riverside e end Thomas Valley; San Jacinto Mountains 1517 Comment
  UCR26281  Ammannia robusta John C. Roos 1952-5-16 5672 Riverside Perris-Aguanga Basin region, San Jacinto River bottomlands, 1 mi. SE of Perris. 427 Comment
  RSA801980  Ammoselinum giganteum J. R. Bruff 1928-4-3 s.n. Riverside 13 W. of Desert Center in dry lake bed Comment
  CAS-BOT-BC180628  Amorpha californica var. californica Philip A. Munz 1938-8-14 15375 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2286 Comment
  POM12794  Amorpha fruticosa P. A. Munz 1922-6-24 5790 Riverside Pipe Creek, Hemet Valley 1402 Comment
  SD187399  Amorpha fruticosa Scott D. White, Angelia Carey 2004-9-16 10765 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 502 Comment
  UCR17127.2  Amorpha fruticosa var. occidentalis Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  UCR138889  Amsinckia intermedia D. L. Banks 1997-4-5 1684 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 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
  RSA0089630  Amsinckia intermedia F. R. Fosberg 1932-5-9 10638 Riverside St. Johns Grade near Hemet. 770 Comment
  SEINET12280464  Amsinckia intermedia J. F. Bright, Wyman, C. 1933-1 8045 Riverside near Palm Springs Comment
  CLARK-A1528-326  Amsinckia menziesii Stephen J. Southwell 1971-5-23 Riverside Murrieta 304 Comment
  UCR175065  Amsinckia menziesii Teresa Nieto 2005-4-24 10 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA799079  Amsinckia menziesii var. menziesii Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6876 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 Comment
  UCR100044  Amsinckia menziesii var. menziesii Scott D. White 1993-3-3 1092 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR95231  Amsinckia menziesii var. menziesii D. L. Banks, Dylan Hannon 1996-5-3 0988 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 300 m east of the Dripping Springs Guard Station 488 Comment
  RSA292450  Amsinckia tessellata var. tessellata James Henrickson 1973-3-18 8601 Riverside 16 (air) miles east of Temecula, 2.9 miles east of Aguanga along Hwy 71. 823 Comment
  RSA772408  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4857 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
  RSA526485  Anagallis arvensis Steve Boyd, Tim S. Ross 1990-5-11 4682 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
  SD227897  Anemopsis californica A. C. Sanders, K. C. Rose 1999-6-18 22808 Riverside Skinner / Domenigoni area: French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA645683  Anthemis cotula Scott D. White 1999-5-20 7375 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
Read comments
Dec 21 2010
  RSA800236  Anthemis cotula Justin M. Wood 2010-6-17 2047 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  RSA1552  Antirrhinum coulterianum J. T. Howell 1928-7-9 1075 Riverside San Juan Canyon road, Elsinore Mts. Comment
  RSA192076  Antirrhinum coulterianum E. W. Lathrop 1966-5-25 6340 -b Riverside 9 miles NW of Murrieta, Los Alamos Ranch Comment
  RSA32422  Antirrhinum coulterianum N. C. Cooper 1944-5-21 1271 Riverside San Jacinto Mountains, west side. 1220 Comment
  RSA525247  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross 1990-5-11 4625 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UCR86988  Antirrhinum coulterianum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  UCR7107  Antirrhinum cyathiferum Lloyd Tevis 1968-2-9 s.n. Riverside Sonoran (Colorado) Desert, S of Palm Desert, Coyote Wash at junction with Deep Canyon Wash on Deep Canyon Floodplain 274 Comment
  UCR104938  Antirrhinum nuttallianum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20701 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
  UCR161437  Antirrhinum nuttallianum A. C. Sanders, Mike Misenhelter 2005-9-20 31681 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR44233  Antirrhinum nuttallianum J. M. Stewart 1986-5-18 8620 Riverside San Jacinto Mtns, Chino Canyon, near Palm Springs Comment
  RSA180264  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1959-5-29 4581 Riverside 14 mi. W. of Murrieta. Comment
  UCR25370  Antirrhinum nuttallianum subsp. nuttallianum John C. Roos 1952-4-13 5517 Riverside Riverside, Box Springs Mtns above Canyon Crest Heights 457 Comment
  UCR3339  Antirrhinum nuttallianum subsp. nuttallianum T. R. Plumb 1964-4-9 s.n. Riverside Box Springs Mtns, Box Springs Mt., 1 mi SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] off S fork of road 762 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
  RSA728146  Apiastrum angustifolium Daphne K. Christopher, Hannah Stevens, Zachary Prinicp 2003-4-7 110 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  SD185109  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 miles easoutheast of Gavilan Peak. 622 Comment
  UCR48480  Apiastrum angustifolium Steve Boyd 1986-4-2 1585 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SD187326  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  RSA263646  Apium graveolens E. W. Lathrop 1966-5-8 6511 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA335037  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
  UCR234249  Apocynum cannabinum A. C. Sanders, T. B. Salvato 2012-4-27 40095 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  UCR3736A  Aquilegia formosa Frank C. Vasek 1964-7-25 640725- 14 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UCR3736B  Aquilegia formosa Frank C. Vasek 1964-7-25 640725- 14 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  CLARK-A1528-3846  Aquilegia formosa var. truncata John C. Roos 1942-6-20 1280 Riverside San Jacinto Mountains Comment
  POM12140  Arceuthobium campylopodum Mary F. Spencer 1921-7-6 1078 Riverside Idyllwild. 1616 Comment
  RSA629171  Arctostaphylos Jon E. Keeley 1992-7-17 16795 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629426  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16845 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  CAS-BOT-BC23114  Arctostaphylos glandulosa subsp. glandulosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UC1137198  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-6-18 Riverside Sierra Peak Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  RSA139984  Arctostaphylos glandulosa var. adamsii A. E. Wieslander 1938-10-23 822 Riverside Idyllwild. 1524 Comment
  CAS-BOT-BC24628  Arctostaphylos glauca Sheet; Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  JOTR32365  Arctostaphylos glauca La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2480 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Rocky outcrop and steep slopes above large drainage and spring (Stop 6) Comment
  RSA631777  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19270 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631792  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19566 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631809  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15067 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  UCR91730  Arctostaphylos glauca A. C. Sanders, J. Goetzen 1996-5-1 18125 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA633619  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16682 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633636  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20133 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633653  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16636 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633688  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16666 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633696  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21756 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633766  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16621 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  UC21884  Arctostaphylos patula H. M. Hall 1901-6 2312 Riverside near Tahquitz; San Jacinto Mountains 2286 Comment
  CAS-BOT-BC44364  Arctostaphylos pringlei subsp. drupacea Carl V. Meyer 1927-6-1 207 Riverside Saunders Meadow, San Jacinto Mts. 1706 Comment
  POM367418  Arctostaphylos pringlei subsp. drupacea Joseph A. Ewan 1929-6-16 3586 Riverside Lily Creek Canyon above Idyllwild. 1677 Comment
  POM367426  Arctostaphylos pringlei subsp. drupacea Douglas Bothwell 1934-5-6 s.n. Riverside Idyllwild, San Jacinto Mts. 1610 Comment
  SD229129  Arctostaphylos pringlei subsp. drupacea Dick Schwenkmeyer 2012-4-17 696 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  RSA635784  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16527 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635797  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16553 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA636167  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19472 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  SD180723  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 405 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  UCR68857  Arenaria douglasii Steve Boyd, T. S. Ross 1990-5-11 4646 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  SD137698  Argemone munita Darin L. Banks, Peter Morrell 1995-5-4 305 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail. 622 Comment
  CAS-BOT-BC401707  Argemone munita subsp. munita Ynez Whilton Winblad 1937-4-3 s.n. Riverside Between Beaumont and Riverside Comment
  OBI75985  Aristida adscensionis James M. Andre 2011-2-9 15906 Riverside Mecca Hills; along Box Cyn Rd at upper end of gorge, approx 6 mi SSE of jctn with I-10, approx 12 mi W of Chiraco Summit 284 Comment
  RSA700961  Aristida adscensionis Gary D. Wallace 1982-5-15 2006 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  SD248063  Aristida adscensionis J. M. Andre 2014-1-27 26667 Riverside Riverside Mountains; at mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  SD27948  Aristida adscensionis Carl B. Wolf 1932-4-27 2987 Riverside Colorado desert, 14 miles east of Mecca on Blythe Road (east of Shavers well). 152 Comment
  SEINET3223161 Image available Aristida adscensionis George Helmkamp 1995-3-16 Riverside Colorado Desert; desert pavement on alluvial fan below rocky slopes of Coxcomb Mountains, W of Rice Road, 10.3 miles NE of Desert Center. 200 Comment
  UCR72762  Aristida adscensionis Megan Phillips 1991-10-17 92- 20 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Palm Springs, Tahquitz debris bain at base of Tahquitz Canyon, off Sunnydunes Drive Comment
  UCR92639  Aristida adscensionis George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  SEINET10971745  Aristida adscensionis David B. Dunn 1946-3-15 Dunn 2035 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria. With palms at the springs in the canyon. Comment
  SBBG57075  Aristida divaricata M. N. Ackley -May-1929 Riverside Tahquitz Lodge 1524 Comment
  SEINET244838 Image available Aristida purpurea J. C. Roos 1949-4-8 4198 Riverside Imperial Co., Calif. Comment
  UCSB37795  Aristida purpurea Roos, John 1965-9-26 Riverside Palm Springs 121 Comment
  RSA0094182  Aristida purpurea var. nealleyi Jim M. Andre 2012-4-11 20698 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  SD247281  Aristida purpurea var. nealleyi A. C. Sanders, Jim Malusa 2015-3-10 41372 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial gunnery Range (East of Red Canyon 7.5'Q) 609 Comment
  RSA500144  Aristida purpurea var. purpurea Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3652 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  CAS-BOT-BC137493  Aristida purpurea var. wrightii Lewis S. Rose 1945-12-29 45343 Riverside Colorado Desert. Andreas Canyon, near Palm Spings. Comment
  UCR106922  Artemisia californica D. L. Banks, L. Raz 1996-11-5 1146 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  CAS-BOT-BC90578  Artemisia dracunculus Louis C. Wheeler 1931-10-4 170 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  JEPS36925  Artemisia dracunculus Carl V. Meyer 1928-7-30 597 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow 1676 Comment
  UCR243132  Artemisia dracunculus Kate Kramer 2012-5-8 257 Riverside Peninsular Range; San Jacinto Mountains, south side of Hwy 74 near cement-lined water flue at National Forest Lands boundary 576 Comment
  RSA289831  Artemisia ludoviciana subsp. albula B. A. Prigge 1980-8-25 4025 Riverside San Gorgornio Pass: 1 mi. SE of Fingal siding, S Pacific R.R. 451 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
  POM19634  Artemisia tridentata Mary F. Spencer 1923-8-17 2208 Riverside Hemet Valley, San Jacinto Mountains 1220 Comment
  RSA0040026  Asclepias albicans Duncan S. Bell, Evan Meyer 2014-4-1 6488 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
  SEINET3081968 Image available Asclepias albicans Andrew C. Sanders, Charlton, Pitzer, Stewart, et al. 1986-3-2 6060 Riverside Graham Pass, between the Chuckwalla and Little Chuckwalla Mountains. 503 Comment
  SJSU5188  Asclepias albicans L. M. Stotelmyre 1970-3-23 49 Riverside Coxcomb Mts, eastern Riverside County. Comment
  RSA401648A  Asclepias californica Gale Sphon 1955-5-7 s.n. Riverside 3 mi. east of Lake Elsinore. Comment
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May 26 2019
  UCR138826  Asclepias californica D. L. Banks 1997-2-23 1308 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
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Jan 9 2007
  UCR43756  Asclepias californica A. C. Sanders, B. Pitzer 1986-4-30 6488 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  RSA0104745  Asclepias eriocarpa Scott D. White, Justin M. Wood 2008-7-8 12384 Riverside San Jacinto Mountains: Hurkey Creek Watershed-Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA561893  Asclepias eriocarpa Steve Boyd 1992-6-10 7636 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido , an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  RSA401228  Asclepias erosa N. C. Cooper 1944-5-20 2641 Riverside Palm Springs. 137 Comment
  SEINET3082098 Image available Asclepias erosa Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6487 Riverside Chuckwalla Valley, 2.8 miles northeast of Desert Center 198 Comment
  CLARK-A1528-123  Asclepias fascicularis Charlotte Stocks 1964-8-24 Riverside San Jacinto Mountains Comment
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Feb 4 2016
  UCR112062  Asclepias fascicularis Mitch Provance 1999-6-30 1746 Riverside Box Springs Mtns., City of Riverside, at the corner of Rustin Ave. and Marlborough Ave. 305 Comment
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Sep 1 2011
  RSA795937  Asclepias subulata Duncan S. Bell 2009-4-18 259 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  SEINET3081784 Image available Asclepias subulata John N. Bullock 1970-5-8 P 22 Riverside 100 metres s.e. of California State Highway 195 8.9 m. e. of the All American canal 293 Comment
  UCR16717  Aspidotis californica Dave Baasch 1972-2-5 720205- 01 Riverside Santa Ana Mountains, De Luz Creek, 5 mi NE of De Luz on Murrietta-De Luz Road 213 Comment
  UCR34893  Aster ascendens L. B. Ziegler 1966-10-11 099 Riverside San Jacinto Mtns, Hemet Valley, near Kenworthy Ranger Station 1375 Comment
  RSA0029395  Astragalus aridus Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4681 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  CAS-BOT-BC177728  Astragalus crotalariae E. K. Balls 1949-4-2 12905 Riverside Near Durmid by the Salton Sea on Highway 111, Colorado Desert -67 Comment
  HSC104185  Astragalus douglasii A. C. Sanders, T. B. Salvato 2014-7-2 41162 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  JEPS54610  Astragalus douglasii var. parishii W. L. Jepson 1901-5-19 1301 Riverside Strawberry Valley Mt. San Jacinto, Strawberry Valley Comment
  RSA801812  Astragalus douglasii var. parishii LeRoy Gross, Caitlin Elam 2013-5-21 6106 Riverside West edge of Pine Cove. Between Pine Cove and Red Hill Road(5S10). 1784 Comment
  UCD104743  Astragalus douglasii var. parishii R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  CAS-BOT-BC187103  Astragalus lentiginosus var. borreganus John Thomas Howell 1928-3-11 3439 Riverside Six miles south-east of Garnet Station, Coachella Valley Comment
  CLARK-A1656-615  Astragalus lentiginosus var. coachellae Milton Walker 1978-1-27 Riverside Palm Springs 152 Comment
  CLARK-A1656-728  Astragalus lentiginosus var. coachellae Theo Glenn 1981-4-24 Riverside San Jacinto Mountains Comment
  RSA415585  Astragalus lentiginosus var. coachellae George B. Grant 1906-5-10 1931 Riverside Palm Springs. Comment
  JOTR28752  Astragalus lentiginosus var. variabilis La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1595 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA415645  Astragalus palmeri M. B. Dunkle 1938-4-3 5237 Riverside 2 miles S of Nightengale, Santa Rosa Mt. Comment
  CAS-BOT-BC192827  Astragalus pomonensis C. F. B. 1904-4-5 4131 Riverside Hemit [Hemet] Comment
  SBBG120068  Astragalus pomonensis A. C. Sanders, K. Volansky 2005-3-17 29216 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA779938  Astragalus tricarinatus Duncan S. Bell, Jennifer Pilapil, Jackie McConnaughy 2011-5-3 2375 Riverside Just off of the Pacific Crest Trail between Whitewater canyon and Mission Creek canyon; approximately 0.6 air miles northeast of Red Dome. 859 Comment
  UCR112953  Athysanus pusillus B. G. Pitzer 1998-3-1 3552 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR91484  Athysanus pusillus Scott D. White 1995-4-5 2761 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR97699  Athysanus pusillus A. C. Sanders, G. Helmkamp 1997-3-15 19934 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  RSA592068  Atriplex argentea subsp. expansa R. E. Riefner 1996-6-20 96 -118 Riverside Near Ramona Freeway, San Jacinto Valley Comment
  RSA714022  Atriplex argentea subsp. expansa R. E. Riefner 2004-8-27 4 -396 Riverside N of La Sierra Heights; NE ca. 0.25 mi off Arlington Ave. along dirt acess road to Hidden Valley Wildlife Reserve. 221 Comment
  POM13772  Atriplex canescens E. C. Jaeger 1921-7-15 1189 Riverside Soboba Hot Springs Comment
  UC65011  Atriplex canescens E. E. Schellenger 31 Riverside s Palm Springs; Colorado Desert, s of Palm Springs Comment
  UCR142799  Atriplex canescens I. M. Johnston 1917-4-4 1033 Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  RSA5349  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 1606 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  HSC47343  Atriplex canescens var. linearis R. W. Spjut, Judy Adams 1978-11-22 5240 Riverside Colorado Desert, between Indian Wells and Indio along Hwy. 111 0 Comment
  SD134476  Atriplex coronata var. notatior Craig Reiser 1991-4-30 Riverside East of Pico near Lake Perris, south of Ramona Expressway (see map) Comment
  UCR123695  Atriplex coronata var. notatior D. E. Bramlet 2000-5-18 3053 Riverside 122 m west of the San Jacinto River and 2 km north of Nuevo Road, 229 m northwest of the end of 12th St. 431 Comment
  UCR240261  Atriplex coronata var. notatior D. E. Bramlet, Robt. L. Allen, Fred M. Roberts 2011-4-30 4827 Riverside Peninsular Range; Elsinore Trough, Nichols Road wetlands area, 253 m south of Nichols Rd. & 76 m east of Baker St. 384 Comment
  UCR266414  Atriplex coronata var. notatior D. E. Bramlet, M. Riedel-Lehrke 2006-6-12 4019 Riverside Perris Basin, junk yard east of MWD canal and south of Stetson Ave. 456 Comment
  RSA0015057  Atriplex davidsonii D. E. Bramlet, Fred M. Roberts, I. Anderson 2005-6-10 3876 Riverside 4.5 miles west of Hemet, 2000 feet south of Stetson and 700 feet east of California. 456 Comment
  RSA0102804  Atriplex elegans var. fasciculata Duncan S. Bell, Kay Evelina Lewis-Jones, Isaac Marck, Evan Meyer 2015-4-23 8103 Riverside Rice Valley, to the east of the Arica Mountains, about 6 air miles south southeast of the ghost town of Rice. 211 Comment
  UCR167368  Atriplex hymenelytra John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  SEINET4135189  Atriplex lentiformis Sears 1978-4-12 1180 b Riverside Located 8 miles northeast of Desert Center. Beside roadside.; 0 158 Comment
  LA91313  Atriplex polycarpa Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Box Canyon Comment
  POM307326  Atriplex polycarpa Henry J. Ramsey, Henry J. Ramsey 1937-11-20 2213 Riverside Coachella Valley Comment
  RSA478374  Atriplex polycarpa Allen 1921-09 s.n. Riverside Palm Springs. Comment
  RSA724123  Atriplex polycarpa R. E. Riefner 2006-10-9 6 -488 Riverside City of Lake Elsinore, back basin of Lake Elsinore, W ca. 0.5 mi off Pete Lehr Dr. at Diamond Stadium in Wildlife Viewing Area. 402 Comment
  SBBG29999  Atriplex polycarpa F. W. Peirson 1917-4-1 1812 Riverside Palm Springs Comment
  UCR267435  Atriplex serenana var. serenana D. E. Bramlet 2005-7-27 3907 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west of Hemet, canal alignment, north of Devonshire Ave., west of Warren Rd. 460 Comment
  UCR119421  Atriplex suberecta Mitch Provance 1998-6-20 709 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR130513  Atriplex suberecta R. E. Riefner Jr. 2003-5-27 03- 240 Riverside Elsinore Trough, back basin of Lake Elsinore, Malaga Rd. near Mission Trail, SE of intersection 390 Comment
  UCR201865  Atriplex suberecta Justin M. Wood 2008-8-31 118 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  UCR94884  Atriplex suberecta P. J. MacKay, R. Baxter 1996-10-3 23 Riverside Menifee Valley, SE corner of Hwy 215 and Newport Road, adjacent to Newport. Gully behind Ralph's shopping center. 434 Comment
  UCR2188  Avena fatua F. M. Reed 1934-3-1 8703 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 274 Comment
  RSA77226  Ayenia compacta F. W. Peirson 1922-4-9 9600 Riverside Andreas Canyon, Palm Springs region 457 Comment
  UCR146486  Azolla filiculoides Scott D. White, Angelia Carey 2004-9-16 10762 Riverside San Jacinto Mountains foothills, Indian Creek; (Lake Fulmor) 567 Comment
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Aug 22 2020
  RSA0104436  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-28 7672 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  UCR17720  Baccharis brachyphylla Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  RSA376137  Baccharis pilularis R. F. Thorne 1985-7-18 61282 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  RSA502921  Baccharis salicifolia Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  UC1523407  Baccharis salicina Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin & J. Hogge 1980-4-16 54086 Riverside 3 mi n Whitewater P. O.; San Bernardino Mts, Whitewater River 591 Comment
  SD60246  Baccharis sarothroides Carl B. Wolf 1932-10-12 4297 Riverside Pinyon Well, Little San Bernardino Mountains 1220 Comment
  IRVC512  Baccharis sergiloides D. Christy 1965-4-17 Riverside Palm Springs Sonoran Desert Comment
  IRVC513  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  SD229070  Baccharis sergiloides Dick Schwenkmeyer 2012-5-22 731 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  RSA0094095  Bahia dissecta Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8721 Riverside Santa Rosa Mountains; approximately 0.4 air mile southeast of the summit of Santa Rosa Mountain. 2410 Comment
  RSA33561  Bahiopsis parishii N. C. Cooper 1944-3-25 1012 Riverside Morongo Pass 457 Comment
  RSA700064  Bahiopsis parishii Scott D. White, Michael Honer 2003-4-25 9095 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
  RSA605209  Baileya multiradiata A. C. Sanders, G. Helmkamp, P. Mackay 1995-3-12 16019 Riverside Coachella Valley: Indo, just SW of the Whitewater River Channel at Auto Center Dr (Hwy 111) -8 Comment
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Jan 14 2010
  UCR145574  Bassia hyssopifolia Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  POM8383  Bebbia juncea Mary F. Spencer 1920-3-22 775 Riverside Palm Springs 122 Comment
  RSA772537  Bebbia juncea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4437 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
  CAS-BOT-BC100133  Bebbia juncea var. aspera Roxana S. Ferris 1918-6-14 982 Riverside in Box [Canon] Canyon at Shaver's Well, Chocolate Mts - Mecca-Blythe Road Comment
  CAS-BOT-BC100145  Bebbia juncea var. aspera P. Munz; L. Street 1919-5-7 2720 Riverside Tahquitz [Canon] Canyon Comment
  CHSC95388  Bebbia juncea var. aspera R. Kobaly; Singer, A., Spurrier, C., Thompson, D., Way, M. J. 2001-6-12 1 Riverside Riverside County. White Water Canyon. 4.8km north of Highway 10 SBBM, San Gorgonio Wilderness. 570 Comment
  RSA0048237  Beloperone californica N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Shavers Well. Comment
  UCR132771  Berberis dictyota S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon, 0.25 mi. north of Tripp Flats Rd. 1183 Comment
  UCR113891  Berberis nevinii Mitch Provance 1999-1-1 1039 Riverside City of Riverside, Granitic knoll c. 0.1 miles SW of Victoria Hill (pk 1005), west of the corner of Ivy St. and Victoria Ave. 311 Comment
  RSA0028735  Bergia texana R. E. Riefner 1998-6-19 98 -370 Riverside Chino Fault; Corona Comment
  CAS-BOT-BC207048  Bernardia incana Annie M. Alexander 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts. 1036 Comment
  OBI14422  Bernardia myricifolia Annie M. Alexander; Louise Kellogg, Louise Kellogg 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts 1036 Comment
  UCR123867  Bernardia myricifolia Steven R. Hill 2001-5-3 33696 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR120536  Berula erecta D. E. Bramlet 2000-8-30 3066 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  RSA752779  Bloomeria crocea Scott D. White, Justin M. Wood 2009-5-21 12843 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  POM49150  Boechera californica P. A. Munz 1924-5-18 8136 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  JEPS53108  Boechera perennans W. L. Jepson 1901-5-25 1454 Riverside Coyote Canyon Santa Rosa mts. Comment
  SEINET4565888  Boerhavia coulteri Duncan S. Bell 2011-10-22 3004 -B Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  RSA339616  Boerhavia intermedia Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53604 Riverside Pinto Basin Road: Along road, 4.5 mi S of meeting area of Mojave and Colorado Deserts 1098 Comment
  POM246649  Boerhavia triquetra E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  RSA40563  Boerhavia triquetra J. C. Roos 1946-11-29 3178 Riverside south foot of Eagle Mountains, east of Hayfields Comment
  RSA594210  Boerhavia triquetra var. intermedia L. B. Ziegler 1967-8-26 s.n. Riverside Pinyon Flats Comment
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Feb 20 2009
  CAS-BOT-BC434549  Boerhavia wrightii Schellinger 1904-10-15 s.n. Riverside Plack [Black] Point, Palo Verde Valley Comment
  SBBG29191  Boerhavia wrightii K. K. Muller 1967-9-14 1420 Riverside 5 mi E of Indio Comment
  CAS-BOT-BC31018  Bolboschoenus maritimus Mitch Provance 2005-5-17 6599 A Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, 420 Comment
  RSA778528  Bouteloua aristidoides Amber Swanson 2011-10-9 649 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  OBI29472  Bouteloua barbata David J. Keil, Melissa Luckow 1979-8-31 13152 Riverside Jctn of Box Cyn rd and I-10, just S of exit ramp at wash crossing Comment
  RSA450461  Bouteloua barbata J. C. Roos 1965-9-5 s.n. Riverside 18 miles W of Blythe. Comment
  CAS-BOT-BC224907  Bowlesia incana A. C. Sanders 2011-4-6 39019 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
  SEINET12798918  Bowlesia incana A. C. Sanders 2005-1 29848 Riverside Alt: 625m/2050ft. Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 635 Comment
  CLARK-A1528-2786  Brandegea bigelovii John C. Roos 1967-11-18 Riverside Comment
  POM254737  Brandegea bigelovii P. A. Munz 1940-3-24 15695 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  RSA0043066  Brandegea bigelovii Duncan S. Bell, LeRoy Gross 2014-3-20 6266 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA0102675  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UC667247  Brickellia atractyloides Annie M. Alexander and Louise Kellogg 1941-5-10 2145 Riverside 3 mi ne Cottonwood Spring; Colorado Desert, Eagle Mountains 1036 Comment
  CAS-BOT-BC106342  Brickellia atractyloides var. arguta H. M. Hall 1905-5-1 6016 Riverside Cottonwood Springs - Colorado Desert 670 Comment
  UCR231190  Brickellia californica A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39945 Riverside Peninsular Range; Santa Ana Mountains, Skyline Drive on ridge between Mabey and Tin Mine Canyons, 1.8 mi. below Oak Flat, at side canyon (tributary to Mabey Cyn.) crossed by road 710 Comment
  RSA444676  Brickellia desertorum J. C. Roos 1965-9-12 s.n. Riverside Tin Mine Canyon, 3 mi. SW of Corona. 549 Comment
  JOTR32320  Brickellia incana Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  RSA507463  Brickellia oblongifolia var. linifolia Kathy Harper 1988-5-14 s.n. Riverside San Jacinto/Santa Rosa Mountains, Canyon Drive at Alpine Village, off Hwy 74. Comment
  CAS-BOT-BC132191  Brodiaea filifolia John Thomas Howell 1930-5-10 4790 Riverside 2 miles south of Perris Comment
  SD132939  Brodiaea terrestris subsp. kernensis Tim Cass 1979-6-1 202 Riverside Mesa de Colorado, Pool A. (IPB 2/08) Comment
  SEINET10469092  Bromus altissimus David B. Dunn 1946-8-18 Dunn 2758 Riverside Grass 1/4 mi above creste of angels glide on trail to mt san jacinto. Comment
  SDSU945  Bromus carinatus var. carinatus A. H. Gallup 1948-6-12 204 Riverside At Idylwild along road, San Jacinto Mts, Pacific Slope Comment
  UCR130848  Bromus catharticus S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR2241  Bromus diandrus F. M. Reed 1934-1-20 8694 Riverside Riverside, Bluffs Ranch [Chicago Ave. N of Arroyo Tequesquite] 274 Comment
  UCR92141  Bromus diandrus D. L. Banks, Steve Boyd 1995-5-3 201 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCD58781  Bromus hordeaceus M. D. Wilcox 2003-5-13 s.n. Riverside French Valley. 'Greenway site' along Tucalota Creek. Ca. 1 mile east of Murrieta Hot Springs. 396 Comment
  UCR201697  Bromus hordeaceus Scott D. White, Justin M. Wood 2008-5-15 11988 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  CLARK-A1528-45  Bromus rubens C. M. Flanag 1973-5-12 408 Riverside Morongo Indian Reservation 1158 Comment
  RSA771660  Bromus rubens Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4908 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
  RSA784226  Bromus rubens J. D. Olmsted 1962-5-2 443 Riverside By saddle just N of highest part of Box Spring Mountains. By road from Pigeon Pass. 777 Comment
  UCR4167  Bromus rubens R. H. Sauer 1965-4-21 s.n. Riverside Peninsular Range, Riverside, [foot of Box Springs Mtns.] east end of Big Springs Road 366 Comment
  RSA0034583  Bromus rubens Bonnie C. Templeton, I. W. Clokey 1930-4-9 1008 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  LA13846  Bromus tectorum Victor Duran; 1932-5-18 3218 Riverside San Jacinto Mountains, Idyllwild 1676 Comment
  UCR116597  Bromus tectorum A. C. Sanders 2001-4-8 23989 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  CLARK-A1528-4559  Bromus trinii John C. Roos 1962-3-24 Riverside Whitewater Canyon Comment
  POM14550  Caesalpinia virgata Alice Eastwood 1913-4-30 3072 Riverside Palm Springs. Comment
  SEINET7347688  Caesalpinia virgata N. H. Holmgren, P. K. Holmgren 1974-3-23 7462 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  UC373093  Caesalpinia virgata Marcus E. Jones, A. M. 1906-4-27 Riverside Indio Comment
  SEINET7347679  Caesalpinia virgata G. C. Wheeler, J. Wheeler 1969-4-11 s.n. Riverside Deep Canyon Desert Research Area Comment
  CLARK-A1528-3812  Calandrinia ciliata John C. Roos 1952-3-19 5394 Riverside Box Springs Mountains 457 Comment
  UCR101792  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 1997-3-5 1337 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR127548  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2003-5-21 26803 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
  UCR21911  Calandrinia ciliata Steve Boyd 1980-5-2 158 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SBBG101639  Calandrinia menziesii S. Boyd, T. Ross, L. Arnseth, J. Bonilla 1990-4-2 4042 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, Hwy 79, E of USFWS Dripping Springs Guard Station 487 Comment
  RSA593981  Callistemon citrinus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 956 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
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Jun 5 2006
  UCR281105  Callitriche marginata var. marginata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 27 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  CAS-BOT-BC85764  Calocedrus decurrens W. L. Jepson; H. M. Hall 1901-5-17 1448 Riverside From Riverside to Santa Rosa Peak and Palomar Comment
  UCR201434  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR279324  Calochortus flexuosus A. C. Sanders, Jim Malusa 2017-3-23 42909 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  POM48371  Calochortus invenustus I. M. Johnston 1924-7-27 8776 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  JOTR34203  Calochortus kennedyi var. kennedyi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2995 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  CAS-BOT-BC154053  Calochortus splendens Jun Hu 2000-5-11 16 Riverside San Jacinto Valley: SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  CSUSB400  Calochortus splendens Bruce Freeman 1968-5-11 680511 5 Riverside Santa Ana Mountains Santa Ana Mountains. 7.7 miles from Washington Ave., in Murrieta, on road from Murrieta to De Luz. 182 Comment
  UCR216952  Calochortus weedii var. intermedius Kim Sparks, Rose Cook 2010-6-10 15 Riverside Perris-Aguanga Basin, French Valley, Warm Springs, about halfway between Big Dipper Way and the creek. 402 Comment
  CAS-BOT-BC497281  Calochortus weedii var. weedii Scott D. White 1995-6-30 3420 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. confluence 365 Comment
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Dec 10 2018
  UCD169808  Calochortus weedii var. weedii R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49545 Riverside Santa Ana Mountains: along Ortega Highway (74), about 2 miles south-southwest of El Cariso. 650 Comment
  SD27985  Calycoseris parryi Carl B. Wolf 1932-4-29 3107 Riverside Blythe, Rice Road; 9 miles south of Brown's Well. 800 Comment
  UCR1625  Calycoseris parryi Leland R. Dykes 1962-4-1 9 Riverside San Bernardino Mtns/ Sonoran (Colorado) Desert, Whitewater Canyon Rd, 4.5 mi north of U.S. 60 732 Comment
  POM307226  Calycoseris wrightii Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1995 Riverside 50 miles N of Blythe Comment
  RSA457756  Calycoseris wrightii Steve Boyd 1988-3-10 2120 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR20731  Calyptridium monandrum A. C. Sanders, Steve Boyd 1980-5-2 1413 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR21946  Calyptridium monandrum Steve Boyd 1980-4-13 123 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR41302  Calyptridium monandrum N. M. Fellows, A. C. Sanders 1985-4-9 145 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR80810  Calyptridium monandrum Scott D. White 1993-5-29 1441 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UCR180058  Calystegia macrostegia Mitch Provance 2005-5-18 9817 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
  RSA500998  Calystegia macrostegia subsp. tenuifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3117 Riverside Vail Lake area, ridge-top of volcanic substrate, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  SDSU21844  Calystegia macrostegia subsp. tenuifolia Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 7 Riverside Santa Magarita Ecological Reserve, Via Tornado, about 2-3 miles south of Santa Margarita river. 313 Comment
  SEINET9288250  Camissonia Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  RSA0036469  Camissonia bistorta J. M. Andre 2012-6-15 30501 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
  RSA465918  Camissonia bistorta M. B. Dunkle 1935-3-10 4357 Riverside Temescal Canyon 244 Comment
  RSA465930  Camissonia bistorta Ora M. Clark 1929-2-23 1664 Riverside near Whitewater Comment
  UCR136270  Camissonia bistorta A. C. Sanders 2004-4-20 27546 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
  UCR85165  Camissonia boothii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16084 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA465989  Camissonia boothii subsp. condensata A. C. Life 1928-3-17 s.n. Riverside Colorado Desert, Painted Canyon. Comment
  SEINET3093077 Image available Camissonia boothii subsp. desertorum Norman C. Cooper 1949-4-8 3298 Riverside Desert Center. Comment
  RSA135607  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11469 Riverside Colorado Desert. At edge of canyon, on road to Cottonwood Springs, 4.5 miles S of State Highway 195. Comment
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Jun 9 2012
  RSA80961  Camissonia brevipes subsp. brevipes G. R. Campbell 1952-4-6 18410 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 976 Comment
  JOTR29162  Camissonia californica La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1239 Riverside Joshua Tree National Park. Key's view Comment
  RSA357766  Camissonia californica Robert F. Thorne, M. Z. Thorne 1973-3-30 42681 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA466170  Camissonia californica M. B. Dunkle 1933-3-5 3075 Riverside Colorado Desert, Palm Springs. 91 Comment
  RSA782531  Camissonia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38385 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg ) of intersection of I-15 and Lake St. 465 Comment
  RSA771120  Camissonia campestris subsp. campestris Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5006 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  UC1329993  Camissonia campestris subsp. campestris James E. Cole 1941-5-17 707 Riverside Covington Flat Canyon Joshua Tree National Monument 1219 Comment
  UC140593  Camissonia campestris subsp. campestris C. F. Baker 1904-4-5 4115 Riverside Hemet Comment
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Jul 4 2010
  RSA72277  Camissonia cardiophylla Robert L. Dressler 1949-3-19 390 Riverside Box Canyon, Orocopia Mts. Comment
  UCR202043  Camissonia cardiophylla Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  SEINET10936397  Camissonia cardiophylla David B. Dunn 1946-2-22 Dunn 1964 Riverside Mud flats dry, caked, split. All american canal catch basin from desert Washes. Oracopia mts ne of the salton sea. Very arid country. Comment
  JOTR31900  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2149 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  RSA135224  Camissonia claviformis subsp. aurantiaca William M. Klein 1958-2-11 38 Riverside Between Cathedral City and Palm Village on Calif. 111 to Indio. 97 Comment
  RSA135293  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11485 Riverside Salton Sea State Park, east side of Salton Sea. Comment
  RSA510019  Camissonia claviformis subsp. claviformis B. Pitzer 1988-3-10 652 B Riverside W side of Chuckwalla Mtns., on gas line road ca. 1.5 mi. N of intersectio with Red Cloud Mine Rd. (& wash); ca. 2 miles (airline) S of Hwy I-10., [Red Cloud Rd. 10 km cell; PH-2N, 3E.] 488 Comment
  RSA186613  Camissonia confusa Peter H. Raven 1962-4-28 17488 Riverside Ortega Highway 3.9 miles above its east base, Santa Ana Mountains 732 Comment
  UCR103309  Camissonia confusa George K. Helmkamp 1998-4-4 3167 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCD103281  Camissonia contorta C. L. Hitchcock; C. V. Muhlick 1962-3-16 22136 Riverside Temescal Canyon, 8 miles SE of Corona. Comment
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Jun 24 2020
  POM6638  Camissonia ignota P. A. Munz 1918-4-27 2162 Riverside Near Corona. Comment
  UCR120955  Camissonia ignota A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23885 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  POM9307  Camissonia ignota P. A. Munz, Harwood 1920-3-30 3380 Riverside 5 mi. So. of Corona. 305 Comment
  POM157885  Camissonia intermedia P. A. Munz 1927-5-20 10797 Riverside Mud flat, Murrieta Hot Springs. Comment
  RSA449246  Camissonia pallida subsp. pallida Ora M. Clark 1929-3-16 1726 Riverside N. of Whitewater. Comment
  UC56459  Camissonia strigulosa H. M. Hall Apr. 1903 3842 Riverside Moreno Valley Comment
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Mar 20 2011
  UCSB12876  Camissoniopsis bistorta Breedlove, Dennis 1962-3-11 Riverside Flood plain of San Jacinto River, 6.5 miles southeast of State 79, on State 74; in Hemet 579 Comment
  SEINET3507531 Image available Capsella bursa-pastoris K. S. Gill 1965-3-28 Riverside 1.2 mile north of corner of Wood and Roberts roads in Woodcrest. Comment
  UCR169314  Carex T. B. Salvato, John F. Green 2004-5-27 603 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
  CHSC101010  Carex athrostachya Scott D. White; Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. 1439 Comment
  POM1458  Carex barbarae I. M. Johnston 1918-5-30 2022 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UCD169811  Carex barbarae R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 537 Comment
  SEINET10377919  Carex bolanderi P. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains; bridge over North Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  POM14312  Carex hassei Phillip A. Munz 1922-6-27 5862 Riverside Santa Rosa Mountains. 2012 Comment
  CAS-BOT-BC20949  Carex heteroneura M. E. Jones 1933-9-1 s.n. Riverside San Jacinto Mountains. Comment
  SEINET11125985 Image available Carex sartwelliana P. Zika, Otting, N 2010-1 25299 Riverside San Bernardino National Forest, N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Jacinto Mountains (SnJt) Comment
  UC146414  Carex sartwelliana Charlotte M. Wilder 1909-7-14 918 Riverside above Idylwild (Strawberry creek); San Jacinto Mt. Comment
  POM259176  Carex subfusca Phillip A. Munz 1938-8-13 15322 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  UC489203  Carex subfusca C. V. Meyer 1928-7-27 553 Riverside San Jacinto Peak 3261 Comment
  RSA653392  Cassia nemophila A. C. Sanders, K. C. Rose 1999-5-28 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. 10 Comment
  POM14080  Castela emoryi Philip A. Munz, D. D. Keck 1922-4-14 4993 Riverside 'Hayfields', Chuckwalla Valley 152 Comment
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Apr 22 2011
  UCR116399  Castilleja affinis S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  UCR146438  Castilleja applegatei subsp. martini R. F. Thorne, Et al. 1969-6-24 38086 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  UCSB5966  Castilleja applegatei subsp. martinii Wilson, Richard 1958-5-17 Riverside Palms to Pines Hwy. and Junction of road to Dark Canyon, San Jacinto Mtns. 1524 Comment
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Nov 23 2014
  RSA0010922  Castilleja densiflora subsp. densiflora J. C. Roos 1952-4-16 5558 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  JEPS10326  Castilleja exserta subsp. exserta W. L. Jepson 1935-4-17 19146 Riverside 1.5 mi n Elsinore 457 Comment
  SEINET1906673  Castilleja foliolosa T. B. Salvato, John F. Green 2004-1 633 Riverside San Bernardino Mtns: head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UCR241654  Castilleja foliolosa T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 358 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR233081  Castilleja minor subsp. spiralis T. B. Salvato, Richard Camacho 2011-6-12 5496 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  POM94483  Caulanthus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  SBBG87798  Caulanthus cooperi A. C. Sanders, B. Pitzer, D. Charlton 1986-3-2 6052 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns, on Bradshaw Rd, ca. 2 mi E of gasline rd; T7S, R15E, S30 640 Comment
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Jun 1 2011
  UC1595632  Caulanthus heterophyllus Steve Boyd and Dave Bramlet 1991-5-13 6242 Riverside n side Domenigoni-Diamond Valleys ese Winchester (Domenigoni Hills, s of s-end Warren Rd.); Domenigoni Hills, n side Domenigoni-Diamond Valleys ese Winc 548 Comment
  UCR97481  Caulanthus heterophyllus John Wear, N. Moorhatch 1997-3-13 s.n. Riverside San Jacinto Mtns. / Coachella Valley, Chino (Tramway) Canyon, along both sides of road. 500 Comment
  CAS-BOT-BC40268  Caulanthus lasiophyllus A. C. Sanders; E. J. Lawlor 1992-4-4 12153 Riverside Colorado Desert. McCoy Mountains, within 0.5 mile of McCoy Spring. 243 Comment
  CHSC108492  Caulanthus lasiophyllus Naomi Fraga; Lisa Rojas 2005-2-10 1366 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR265570  Caulanthus simulans Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 9 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  CDA1657  Ceanothus crassifolius Mike Lahti 2007-5-31 PDR# 1361019 Riverside Murrieta; 26550 Pabesu Rd. Jo-Dan Farms Nursery. Comment
  RSA228829  Ceanothus crassifolius Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 593 Riverside Cleveland National Forest; 8.5 miles south of Lake Elsinore along Forest Route 6S08. Comment
  RSA398895  Ceanothus crassifolius M. B. Dunkle 1935-3-3 4354 Riverside San Juan Canyon. 762 Comment
  UCR59684  Ceanothus crassifolius Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2972 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  UCR89483  Ceanothus crassifolius Steve Boyd, K. A. Boyd 1993-3-28 7921 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  RSA399850  Ceanothus greggii var. perplexans M. B. Dunkle 1938-4-3 5242 Riverside South of Nightingale. Santa Rosa Mountains 854 Comment
  UC303593  Ceanothus greggii var. perplexans S. B. Parish 1919-3-28 19201 Riverside Jack Rabbit Trail near Beaumont Comment
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Mar 21 2011
  UCR201659  Ceanothus integerrimus Scott D. White, Justin M. Wood 2008-6-5 12059 Riverside San Jacinto Mountains, Hwy 243 near Poppet Flats 1305 Comment
  RSA399768  Ceanothus leucodermis H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  POM254866  Ceanothus megacarpus W. Pequegnat 1940-6-18 s.n. Riverside Santa Ana Mts. Sierra Peak. Comment
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Jun 10 2012
  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
  CAS-BOT-BC63465  Ceanothus palmeri Carl B. Wolf 1932-8-4 3920 Riverside San Jacinto Mts. Point View, near Idylwild. 1645 Comment
  RSA735983  Ceanothus pauciflorus Scott D. White, Justin M. Wood 2008-5-29 12038 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR248009  Celtis sinensis O. F. Clarke 2009-9-1 s.n. Riverside Riverside, UCR Botanic Garden 412 Comment
  CDA1881  Cenchrus ciliaris D. Halsey 1978-2-1 s.n. Riverside Kapra Ranch, Indio. 0 Comment
  CAS-BOT-BC284480  Centaurea solstitialis Jerry Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley near Hwy 215 Comment
  RSA644299  Centaurea solstitialis Scott D. White 1995-7-13 3473 Riverside NE Santa Ana Mtn foothills. Alluvial fan below [unnamed] canyon. +/- 1/4 mi SW of Grand Ave. (City of Lake Elsinore), directly downslope from hairpin turn on SH 74. 488 Comment
  RSA425055  Centaurium venustum E. Misquez 1987-5-16 8 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  JEPS100431  Centromadia pungens subsp. laevis Dean W. Taylor 2003-5-8 18550 Riverside Davis Road 0.5 miles North of Lakeview, San Jacinto Wildlife Area 434 Comment
  RSA683882  Centromadia pungens subsp. laevis Barry L. Jones 2003-5-29 s.n. Riverside USGS quad. For Wildomar & Lake Elsinore, Lake Elsinore area, just north of the intersection of Corydon Road & Grand road. Comment
  SD187336  Centromadia pungens subsp. laevis R. E. Riefner Jr., K. Campbell 2007-5-19 07 209 Riverside Temecula, Western Bypass Rd. near Highway 79; end of Western Bypass Rd. at Murrieta Creek. 309 Comment
  UCR266912  Centromadia pungens subsp. laevis D. E. Bramlet 2005-5-24 3862 Riverside Perris-Aguanga Basin Region, Warm Springs Creek, west of I-15, between Golden Gate Circle and Nick Lane 323 Comment
  SD178173  Cerastium glomeratum A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16035 Riverside Weed: Coachella Valley: Indio, just southwest of the Whitewater River Channel at Auto Center Dr. (Hwy 111). -7 Comment
  UC859434  Cercocarpus betuloides var. betuloides K. Watkins, E. McClintock 1937-4-10 Riverside Palms to Pines Highway near road to Shumay Comment
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Dec 17 2011
  CAS-BOT-BC279447  Chaenactis Palmer Stockwell 1940-4-24 1503 Riverside Banning Comment
  POM265788  Chaenactis artemisiifolia J. C. Roos 1937-5-10 2070 Riverside South of Lake Elsinore Comment
  RSA519237  Chaenactis artemisiifolia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR250123  Chaenactis artemisiifolia A. C. Sanders 2014-4-23 41055 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  CAS-BOT-BC276380  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA784770  Chaenactis carphoclinia Duncan S. Bell 2012-3-18 3174 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SD215392  Chaenactis carphoclinia W. Wisura, J. Dolan and M. Wall 1992-3-24 4615 Riverside 4.7 miles Northeast of Mecca on Box Canyon Road. Comment
  RSA98707  Chaenactis carphoclinia var. carphoclinia Philip A. Munz 1926-1-31 9953 Riverside Dos Palmos [Palmas] Spring. 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
  RSA28082  Chaenactis fremontii I. L. Wiggins 1941-3-27 9700 Riverside 4 mi. north of Whitewater. Comment
  UC566688  Chaenactis fremontii Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert, Painted Canyon Comment
  UCR44229  Chaenactis glabriuscula A. C. Sanders 1986-6-1 6556 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA525416  Chaenactis glabriuscula var. glabriuscula Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4524 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  JOTR35310  Chaenactis stevioides Andre, Jim 2012-4-16 20974 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  RSA600228  Chamaesyce maculata L. C. Wheeler 1960-5-9 7692 Riverside Colorado Desert. Mirage Ranch. Comment
  HSC8028  Chamaesyce polycarpa L. S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  RSA180364  Chamaesyce polycarpa E. W. Lathrop 1960-5-27 5245 Riverside 6 miles west of Murrieta. Comment
  RSA778397  Chamaesyce polycarpa Amber Swanson 2011-10-9 654 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  POM126252  Chamaesyce polycarpa var. hirtella Thos. Craig 1927-4-2 19 Riverside Canyon near Hidden Springs. Comment
  RSA770638  Chamaesyce polycarpa var. hirtella R. F. Thorne, M. Z. Thorne 1973-3-30 42694 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  JEPS26604  Chamaesyce serpillifolia subsp. hirtula Peter Kamb 1948-7-4 1168 Riverside San Jacinto Mtns, Hall Canyon 1645 Comment
  UCR246388  Chamaesyce setiloba Duncan S. Bell, Aaron Sedgwick 2012-9-13 4201 Riverside Sonoran (Colorado) Desert, Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, c. 5 air mi northeast of the junction of Box Canyon Road and the Coachella Canal or c. 1.25 air mi southwest of Shavers Well 240 Comment
  POM11987  Cheilanthes covillei E. C. Jaeger 1922-8-20 1006 Riverside Long Valley to Palm Springs 2133 Comment
  RSA85537  Cheilanthes covillei F. W. Peirson 1922-4-10 s.n. Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UC218615  Cheilanthes covillei S. B. Parish 1918-4-3 11691 Riverside Canyon Santa Ana River 914 Comment
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Nov 20 2011
  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
  POM97006  Cheilanthes newberryi Philip A. Munz 1926-5-2 10428 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  RSA336416  Cheilanthes parryi R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52053 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UCR147842  Cheilanthes parryi Steve Boyd, Et al. 2004-5-14 11278 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
  RSA502592  Chenopodium album Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3728 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  RSA614160  Chenopodium californicum D. L. Banks 1997-2-23 1317 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
  UCR133377  Chenopodium californicum Mitch Provance, J. S. Ross 1998-3-27 MOR- 989 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  CLARK-A1528-2561  Chenopodium fremontii John C. Roos 1946-8-27 9212 Riverside Santa Rosa Mountains 2438 Comment
  UCD169510  Chenopodium giganteum A. C. Sanders; Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  UCR25083  Chenopodium incognitum A. C. Sanders 1980-7-18 1638 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR115144  Chenopodium missouriense Mitch Provance 2000-10-28 2269 Riverside Jurupa Hills, Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  CLARK-A1656-768  Chenopodium murale Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  UCR233147A  Chenopodium murale Jim Andre, Glenn L. Clifton 2011-2-22 17465 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  CAS-BOT-BC231782  Chilopsis linearis Carl B. Wolf 1932-5-25 3674 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. below Fish Hatchery 396 Comment
  SEINET1908448  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-1 35824 Riverside South Coast; San Jacinto Valley: Gilman Springs Road, 1.13 mi. (air) sout of Eden Hot Springs, below Mt. Eden. 450 Comment
  UCR23380  Chilopsis linearis John C. Roos, L. Roos 1952-6-21 5783 Riverside San Timoteo Canyon 442 Comment
  LA204149  Chilopsis linearis subsp. arcuata Norman C. Cooper; 1944-7-15 1548 Riverside Palm Springs 121 Comment
  RSA455305  Chilopsis linearis subsp. arcuata D. A. Young 1969-8-17 P- 505 Riverside Colleted approx. 3 mi. SE of Whitewater, Calif. on Hiway 111, on the S. side of the road. 335 Comment
  UC1125577  Chilopsis linearis subsp. arcuata H. S. Yates 1936-4-7 5418 Riverside near Palm Springs San Jacinto Quad. Comment
  SD255051  Chloris virgata Sarah J De Groot, Amy Rouillard 2015-9-15 7562 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
  RSA0106756  Chorizanthe brevicornu Duncan S. Bell, Amanda Turek 2009-3-29 145 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA457793  Chorizanthe brevicornu Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2195 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR198203  Chorizanthe brevicornu Michael Honer, L. Hulse 2004-4-4 1935 Riverside Colorado Desert, Little San Bernardino Mountains, southwest base of Cottonwood Mountains, near MWD aqueduct, c. 0.75 mi north of Hwy I-10, east edge of Pinkham Wash 488 Comment
  JOTR33987  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding 2010-4-7 2875 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
  JOTR34303  Chorizanthe brevicornu var. brevicornu Andre, Jim 2012-4-11 20716 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
  RSA339657  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, C. W. Tilforth 1980-5-28 54227 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA392615  Chorizanthe brevicornu var. brevicornu Christopher Davidson 1973-4-1 1847 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  UCR136188  Chorizanthe coriacea Virginia Moran 2003-5-23 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 700 Comment
  CLARK-A1528-3599  Chorizanthe fimbriata John C. Roos 1937-4-23 1807 Riverside White Water Comment
  RSA185  Chorizanthe fimbriata J. T. Howell 1928-7-9 1081 Riverside Southern Riverside Co. on road between Temecula and Fallbrook. 366 Comment
  RSA392577  Chorizanthe leptotheca N. C. Cooper 1949-6-29 4329 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA65160  Chorizanthe leptotheca F. W. Peirson 1925-5-20 6012 Riverside Aguanga Comment
  UCR159816  Chorizanthe leptotheca Chris E. True, Robert Cox 2005-6-16 s.n. Riverside San Jacinto Mtns. Foothills, along Hwy 74 at milepost 48, across from Cranston US Forest Service Station, 3 miles east of Fairview Ave., north of highway and south of San Jacinto River, near mouth of Bee Canyon 610 Comment
  CAS-BOT-BC252787  Chorizanthe parryi var. parryi A. C. Sanders; T. B. Salvato 2001-5-3 24072 Riverside Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley, Perris-Aguanga Basin region 518 Comment
  SBBG34231  Chorizanthe parryi var. parryi T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UCR260568  Chorizanthe parryi var. parryi T. B. Salvato 2014-5-29 8034 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCR102868  Chorizanthe polygonoides subsp. longispina A. C. Sanders 1997-3-26 20120 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  UCR132343  Chorizanthe polygonoides var. longispina John F. Green, S. J. Myers 2003-6-25 s.n. Riverside Small hill just west of Leon Road, c. 0.25 mi. south of Borel Road, above Tucalota Creek 427 Comment
  JOTR35338  Chorizanthe rigida Harding, Mitzi, Mark Wheeler 2012-2-28 104 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; high saddle along wide ridge (Stop 3) 463 Comment
  RSA703746  Chorizanthe rigida LeRoy Gross 2005-3-3 1562 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC284215  Chorizanthe staticoides P. A. Munz and D. D. Keck 1923-6-14 7085 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mts. 1463 Comment
  SEINET7883465 Image available Chrysothamnus paniculatus Lewis S. Rose 1946-1 46307 Riverside 5 miles east of Cabazon, San Gorgonio Pass. 0 Comment
  CAS-BOT-BC100783  Chrysothamnus viscidiflorus subsp. viscidiflorus Rev. J. C. Nevin s.n. Riverside San Jacinto Mts. Comment
  SBBG5097  Chylismia brevipes K. K. Muller 1958-3-22 909 Riverside hills opposite S entrance to Joshua Tree Nat Monument, 2 mi S of Hwy Comment
  JOTR37440  Chylismia brevipes subsp. brevipes Hodges, Stephen R., T. Hender 2015-12-30 562 Riverside Joshua Tree National Park. Pinto Basin, off of Black Eagle Mine road, then turning north up the park boundary 596 Comment
  RSA0025897  Chylismia brevipes subsp. brevipes Jim Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  RSA799404  Chylismia brevipes subsp. brevipes Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 743 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
  SD241105  Chylismia brevipes subsp. brevipes Dave Silverman, Mark Bibbo 2010-3-31 7893 Riverside Southern McCoy Mountains, east bajada flank, 1.6 km W of Black Creek Road, 7.0 km NE of McCoy Peak and 6.8 km north of I-10. 178 Comment
  CHSC64325  Chylismia cardiophylla subsp. cardiophylla Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 22 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Along wash. 380 Comment
  CAS-BOT-BC162785  Chylismia claviformis subsp. claviformis John Thomas Howell 1928-3-11 3420 Riverside Morongo Canyon, N. Colorado Desert 609 Comment
  UC1922422  Chylismia claviformis subsp. claviformis Naomi Fraga, Lisa Rojas 2005-2-10 1352 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  CAS-BOT-BC289650  Cirsium occidentale var. californicum John Thomas Howell 1931-6-4 6645 Riverside Summit of Jackrabbit Trail Comment
  RSA0012652  Cirsium scariosum var. citrinum LeRoy Gross, Caitlin Elam 2013-5-14 6079 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
  UCR178415  Cirsium vulgare John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR21850  Cirsium vulgare Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  CAS-BOT-BC438669  Cistanthe ambigua S. B. Parish; W. F. Parish 1881-3-1 1188 Riverside Indio, Colorado Desert Comment
  RSA68317  Cistanthe monandra G. R. Campbell 1951-5-30 16136 Riverside 9 miles west of Anza. 1067 Comment
  RSA740633  Cistanthe monandra Scott D. White, Justin M. Wood 2008-6-18 12207 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  UC58857  Clarkia epilobioides H. M. Hall 1896-4-6 273 Riverside near Riverside; Box Springs Mt. Comment
  HSC84170  Clarkia purpurea Karin Cleary 1987-5-20 38 Riverside Banning Bench, at the edge of the San Gragonio River Canyon, .8 km S of the end of the paved road on the Banning Bench Rd. 1213 Comment
  UCD104882  Clarkia purpurea T. B. Salvato; Kent Beaman 2005-5-16 765 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  UCR158718  Clarkia purpurea A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30034 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
  CAS-BOT-BC163868  Clarkia purpurea subsp. quadrivulnera Mitch Provance 2003-4-17 4631 Riverside San Bernardino Valley: Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., W of the railroad tracks 360 Comment
  JEPS1949 Image available Clarkia purpurea subsp. quadrivulnera H. M. Hall 1905-6-3 6240 Riverside vicinity Riverside (e base of mountain); Box Springs Mt.; Eastern base of Box Springs Mt., vicinty of Riverside 533 Comment
  RSA407733  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1986-5-1 1799 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA801957  Clarkia rhomboidea LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6153 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
  UCR81098  Clarkia rhomboidea Scott D. White 1993-5-29 1454 Riverside San Bernardino Mtns, Banning Canyon along the road to Raywood Flat, Yucaipa Ridge 1341 Comment
  RSA561063  Clarkia similis Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-12 7350 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
  SEINET9363510  Clarkia williamsonii Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  CAS-BOT-BC233845  Claytonia parviflora subsp. parviflora A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19862 Riverside Lower Rawson Canyon, along road NE of Skinner Lake, Lake Skinner area 457 Comment
  RSA469298  Claytonia parviflora subsp. parviflora Robert L. Rutherford 1945-6-17 1670 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR20553  Claytonia parviflora subsp. viridis W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA219223  Clematis ligusticifolia C. W. Tilforth 1970-10-16 319 Riverside Road to Santa Rosa Mountain Comment
  RSA522769  Clematis pauciflora Steve Boyd, Tim S. Ross, Laurel Arnseth 1990-3-29 3876 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
  UCR213349  Clematis pauciflora Justin M. Wood 2009-3-10 343 Riverside San Jacinto Mountains, Hwy 243, near base of the mountains, 0.5 mi up the hwy from Smith Creek Bridge 774 Comment
  POM14901  Cleome isomeris Mary F. Spencer 1922-3-27 s.n. Riverside Shavers Canyon. Mecca, Colorado Desert. Comment
  RSA556486  Cleome isomeris Julie Greene 1993-3-13 1050 Riverside West of Poleline Rd. 457 Comment
  RSA66774  Cleome isomeris F. W. Peirson 1921-3-19 1923 Riverside Whitewater Grade near Cabazon, western edge of Colorado Desert. Comment
  RSA161289  Coleogyne ramosissima Peter H. Raven 1958-5-5 12892 Riverside Split Rock, Joshua Tree National Monument Comment
  RSA0117437  Collinsia concolor Michael Wall 2003-4-26 302 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
  RSA0117400  Collinsia concolor N. C. Cooper 1945-5-24 1642 Riverside Big Oaks Canyon, Banning. 1220 Comment
  CLARK-A1528-4193  Collinsia heterophylla John C. Roos 1950-4-15 4733 Riverside Reche Canyon 822 Comment
  UCR15986  Collinsia heterophylla K. T. Seng 1966-3-27 660327 2 Riverside Riverside, 0.5 miles north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest area. 488 Comment
  POM246590  Colubrina californica E. C. Jaeger 1938-10-30 s.n. Riverside North border of Chuckwalla Mountains, directly south of Desert Center Comment
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Jan 29 2009
  SEINET3091303 Image available Convolvulus arvensis Ed LaRue 1989-4-20 Riverside Moreno Valley, old Riverside International Raceway on Day Street, ca 1/2 mi S of Hwy 60. Comment
  JEPS64319  Corallorhiza maculata Carl V. Meyer 1928-6-14 450 Riverside Fern Valley San Jacinto Mts. 1828 Comment
  UCR146125  Cordylanthus nevinii Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1453 Riverside Peninsular Ranges; San Jacinto Mountains, Northeast of South Ridge trailhead, east of Idyllwild 2012 Comment
  RSA226545  Cordylanthus rigidus subsp. setiger C. W. Tilforth 1970-9-2 304 Riverside Common at lower elevation along fire road to Santa Rosa Mountain. Comment
  CAS-BOT-BC287877  Coreopsis californica Munz; Street; Williams 1919-3-28 2362 Riverside San Gorgonio Pass, near Cabazon 542 Comment
  CAS-BOT-BC287928  Coreopsis californica P. A. Munz; R. D. Harwood 1920-3-20 3385 Riverside Temescal Canyon 365 Comment
  UCR79254  Coreopsis californica Steve Boyd, T. S. Ross, O. Mistretta 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area: from Fisherman's Camp downstream to confluence w/ Bluewater Canyon 366 Comment
  CAS-BOT-BC101301  Corethrogyne filaginifolia Carl B. Wolf 1932-8-4 3919 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  CAS-BOT-BC101305  Corethrogyne filaginifolia John Thomas Howell 1927-8-2 2917 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  CSUSB1371  Cornus nuttallii Frank C. Vasek 1964-7-25 Riverside San Jacinto Mountains San Jacinto Mountains. Dark Canyon, near Wet Canyon campground. Comment
  RSA281246  Coryphantha alversonii H. G. Rush 1951-6-6 185 Riverside 35 miles north of Blythe on Hwy 95 76 Comment
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Jan 23 2012
  RSA614125  Cotula australis D. L. Banks 1997-2-23 1292 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  CAS-BOT-BC427781  Crassula connata Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3987 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  SEINET3089226 Image available Crassula connata Margaret Ferro 1970-5-15 17 Riverside Empty lot on Watkins Dr. behind Canyon Crest student housing. Comment
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May 16 2016
  SEINET7073458  Crassula connata A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCSB33376  Crassula connata Marks, R. 1978-3-16 Riverside 3/4 mi. W of orange grove at 3000 McAllister Dr., in Riverside 457 Comment
  NY268556  Crossosoma bigelovii T. Labouchere 1915-4-15 236 Riverside Borders of the Colorado Desert on the easterly side of San Jacinto Mountain, in the Lower Sonoran Zone. Growing in debris in Tahquitch Cañon. Comment
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Sep 3 2011
  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
  RSA85070  Crossosoma bigelovii F. W. Peirson 1921-3-21 2808 Riverside Gordon Trail from Andreas Canyon, east base of the San Jacinto Mtns. 1067 Comment
  SDSU13473  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Santa Margarita Ecological Reserve: Temecula Gorge, on north bank of Santa Margarita River at aqueduct crosing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 250 Comment
  UCR192715  Croton californicus A. C. Sanders, Mike Misenhelter 2008-6-10 35447 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  UCR20828  Croton californicus A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1296 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
  UCR240991  Croton californicus Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 55 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  SEINET9458037  Croton californicus L. D. Copeland 1904-5-5 s.n. Riverside West Canyon. Comment
  POM14053  Croton californicus var. mohavensis P. A. Munz, D. D. Keck 1922-4-14 5010 Riverside East of Whitewater Ranch 244 Comment
  RSA480570  Croton californicus var. mohavensis Robert L. Dressler 1949-3-19 410 Riverside Box Canyon, Orocopia Mts. Comment
  UCR273491  Croton setiger A. C. Sanders, Glen Morrison 2016-8-4 42613 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Redonda Mesa, near radio/cellphone tower & prominent abandoned microwave tower 855 Comment
  CLARK-A1528-2209  Cryptantha angustifolia John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  JEPS67465  Cryptantha angustifolia W. L. Jepson 1914-5-24 6062 Riverside Palm Springs, e base Mt. San Jacinto Colorado Desert, Mt. San Jacinto 121 Comment
  SD39166  Cryptantha angustifolia Edith A. Purer 1935-4-21 6457 Riverside Near Palm Springs Comment
  SEINET3083656 Image available Cryptantha angustifolia John Adams 1966-3-12 453 Riverside Hwy 74, 2 mi. above Palm Desert. Comment
  UC662533  Cryptantha angustifolia S. D. McKelvey 1936-3-3 5067 Riverside near La Quinta Comment
  UCR52015  Cryptantha angustifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2123 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA9117  Cryptantha angustifolia P. A. Munz, R. D. Harwood 1920-4-4 3514 Riverside Pass south of Palm Springs. 152 Comment
  CDA40487  Cryptantha barbigera T. C. Fuller 1962-4-3 7986 Riverside West of Highway 99 to Indio, 0.2 mile north of turn-off to Twenty Nine Palms, head of Coachella Valley. 0 Comment
  SBBG63623  Cryptantha barbigera E. Rockwell -Jan-1926 32 Riverside near Palm Springs 138 Comment
  UCR18172  Cryptantha barbigera A. C. Sanders 1978-4-2 00188 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  UCR20838  Cryptantha barbigera A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1305 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
  UCR6095  Cryptantha barbigera Barry A. Vittor 1966-3-11 s.n. Riverside Western Colorado Desert, Rancho Dos Palmas, 2 miles NE of Salton Sea State Park 30 Comment
  JOTR35152  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3264 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA0124822  Cryptantha barbigera var. fergusoniae Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8747 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  UCR120565  Cryptantha barbigera var. fergusoniae Helen Kennedy, T. B. Salvato 2002-2-2 5447 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR157719  Cryptantha barbigera var. fergusoniae John C. Roos 1948-4-24 3807 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  CLARK-A1528-330  Cryptantha decipiens Glen W. Forister 1967-4-24 Riverside Whitewater Canyon 609 Comment
  RSA726862  Cryptantha intermedia Steve Boyd, Aydee Virgen 2004-4-13 10886 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA778145  Cryptantha intermedia J. Andre 2011-2-2 16234 Riverside Coachella Valley; mouth of Big Morongo Wash, 1 mile east of Hwy. 62, just N of North Indian Canyon Road, west of Desert Hot Springs. 7.5 miles north of I-10 487 Comment
  UCD119851  Cryptantha intermedia Geoffrey Levin 1975-4-26 487 a Riverside Mayhew Canyon Wash, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCR103275  Cryptantha intermedia B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3573 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR51023  Cryptantha intermedia D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  UCR64629  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan Plateau, Gavilan Mesa 700 Comment
  UCR279596  Cryptantha maritima var. pilosa A. C. Sanders, Jim Malusa 2017-3-28 43163 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  SD39194  Cryptantha micrantha var. lepida Edith A. Purer 1935-4-21 6471 Riverside Desert floor, Palm Springs, western Colorado Desert. Comment
  RSA586298A  Cryptantha microstachys D. L. Banks, S. D. Boyd 1995-5-3 0209 A Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR79268  Cryptantha microstachys Steve Boyd, T. S. Ross 1992-5-5 7239 Riverside Southern Santa Ana Mtns, San Mateo Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  UCR89844  Cryptantha microstachys Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3312 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA771789  Cryptantha muricata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4883 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
  UCR111546  Cryptantha muricata Mitch Provance 1999-5-4 1695 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR274798  Cryptantha pterocarya David Fraker, Aaron C. Sedgwick 2012-3-27 046 Riverside Central Mojave Desert, Copper City Road [c. 1 mi south of its junction with Coolgardie Road], Coolgardie Mesa 1189 Comment
  SDSU18662  Cryptantha pterocarya f. pterocarya Michael G. Simpson, Kristen Hasenstab 2008-4-2 2950 Riverside Joshua Tree National Park. Wash, just southwest of road to Cottonwood Spring, ca. 0.2 mile northwest of Cottonwood Spring. 902 Comment
  RSA0123086  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8969 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
  UCR113223  Cucurbita foetidissima A. C. Sanders 1997-11-25 21624 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  RSA298979  Cucurbita palmata W. L. Jepson 1912-10-28 5234 Riverside Riverside Mtsn. 91 Comment
  CAS-BOT-BC224602  Cuscuta californica var. papillosa Lewis S. Rose 1946-12-23 46300 Riverside Cathedral Canyon Wash 182 Comment
  UCR31665  Cuscuta californica var. papillosa John C. Roos 1946-12-7 3184 Riverside Western Colorado Desert, Pushawalla Wash Comment
  RSA652887  Cuscuta campestris John Wallace 1991-5-8 20 Riverside Colorado River,. Approximately 3 miles south of Lost Lake Resort. Comment
  UCR151122  Cuscuta subinclusa Scott D. White 1998-10-13 7182 Riverside Peninsular Ranges/Santa Ana Mtns region, Corona, near Bedford Canyon; ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same 366 Comment
  UCR244312  Cynanchum utahense Jim Andre 2012-4-15 20848 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  RSA0088440  Cyperus eragrostis Mitch Provance 2011-7-4 17182 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR77594  Cyperus eragrostis Steve Boyd 1991-7-13 6408 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
  UCR110370  Cyperus erythrorhizos A. C. Sanders, Mitch Provance 1999-9-26 23123 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
  POM158187  Cyperus esculentus Phillip A. Munz 1928-9-6 11272 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  CDA20620  Cyperus rotundus K. E. Hoffmaster July 1958 s.n. Riverside Southern California; Indio. 0 Comment
  RSA751911  Cystopteris fragilis Scott D. White, Justin M. Wood 2009-5-22 12914 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  SBBG56301  Cystopteris fragilis R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  PASA1840  Dalea californica R. Peirce 1966-5-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA498344  Dalea mollis Robert L. Dressler 1949-3-19 386 Riverside Box Canyon, Orocopia Mts. Comment
  UC68592  Dalea mollis H. M. Hall Apr. 1905 5932 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  UCR182832  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5757 Riverside NE Riverside Co., Rice Valley, SE of Danby Dry Lake, south of Highway 62, along Midland (Blythe-Rice) Road, south of railroad crossing 234 Comment
  CHSC99048  Dalea mollissima LeRoy Gross 2005-3-3 1558 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  RSA718771  Dalea mollissima Michael Honer, L. Hulse 2004-4-4 1930 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  SEINET10486082  Dalea schottii David B. Dunn 1946-3-15 Dunn 2025 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  RSA795515  Dasyochloa pulchella C. P. Cowan 1978-4-23 1186 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  RSA564026  Datisca glomerata M. A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Along Tahquitz Creek and behind the debris basin dam in Palm Springs. 183 Comment
  UCR35197  Datisca glomerata L. B. Ziegler 1969-7-30 389 Riverside San Jacinto Mountains, Hemet Valley. In dry creek bed in side canyon on W side of valley opposite Kenworthy R.S. 1341 Comment
  RSA784960  Datura discolor Duncan S. Bell 2012-3-18 3224 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
  UC1234726  Datura wrightii David P. Gregory 1961-6-6 469 Riverside near the Santa Ana River w Prado Dam; near the Santa Ana River, w of Prado Dam Comment
  UCR115998  Datura wrightii A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23316 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  SD148266  Daucus pusillus A. C. Sanders, Steven R. Hill 2001-5-4 24126 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Road, hills on both sides of gas pipeline route. 335 Comment
  UCR172282  Daucus pusillus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR250194  Daucus pusillus A. C. Sanders 2014-4-8 40984 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.35 km NW of El Hermano Rd., c. 0.95 km SE of I-15 crossing 315 Comment
  UCR89859  Daucus pusillus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3324 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  HSC47890  Delphinium parishii H. Lewis, M. Lewis 1946-4-21 595 Riverside Whitewater Comment
  RSA79175  Delphinium parishii P. A. Munz, Percy C. Everett 1952-5-2 16240 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UC1563123  Delphinium parryi Steve Boyd, Tim Ross, and Laurel Arnseth 1989-5-7 3522 Riverside burn in hills just to sw dam; Vail Lake area 487 Comment
  UCR231736  Delphinium parryi John F. Green 2008-4-23 08- 07 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
  UCR268279  Delphinium parryi subsp. parryi Jim Andre 2012-6-15 30504 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  CAS-BOT-BC82950  Dendromecon rigida A. M. White 1974-6-5 1362 Riverside Indian Road ca. 15 miles west Sun City. 1219 Comment
  SD229211  Dendromecon rigida Dick Schwenkmeyer 2012-4-18 707 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
  UCR213838  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCR67329  Deschampsia danthonioides var. gracilis A. C. Sanders, E. Rey, D. Willick 1991-4-19 10926 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  UC857002  Descurainia obtusa subsp. adenophora P. A. Munz 1922-7-4 5975 Riverside Kenworthy; San Jacinto Mts. 1417 Comment
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Mar 25 2011
  RSA697469  Descurainia pinnata J. R. Bruff 1929-4-2 109 Riverside Canon 1 mi. W. of Morongo. Comment
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Nov 9 2011
  CAS-BOT-BC43355  Descurainia pinnata subsp. glabra Fay A. Mac Fadden 1936-3-20 14482 Riverside Morengo [Moreno] Valley. Comment
  POM369392  Descurainia pinnata subsp. glabra N. C. Cooper 1944-5-20 1235 Riverside Pinon Flats, Palms to Pines Hwy. 1220 Comment
  UCR265010  Descurainia sophia Mitch Provance 2013-4-8 413- 08 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC402295  Dicentra chrysantha Peter H. Raven 1962-4-29 17485 Riverside Ortega Highway 1 mile above its east base 487 Comment
  SEINET3152113  Dicentra chrysantha M. F. Gilman 1904-1 25 Riverside Banning Comment
  RSA770850  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4938 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
  UCR98484  Dichelostemma capitatum A. C. Sanders, G. Helmkamp 1997-3-15 19923 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  POM1675  Dichelostemma capitatum subsp. capitatum I. M. Johnston s.n. Riverside Andreas Canyon 274 Comment
  RSA678346  Dichelostemma capitatum subsp. capitatum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10489 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SEINET3218913 Image available Dichelostemma capitatum subsp. capitatum Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murrieta. 366 Comment
  UCR89853  Dichelostemma capitatum subsp. capitatum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3333 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CAS-BOT-BC292178  Dicoria canescens J. Von Loh 1977-10-30 2601 Riverside Margin of Ford Dry Lake Comment
  CAS-BOT-BC292186  Dicoria canescens Louis C. Wheeler 1933-12-1 2287 Riverside 2 mi. E Cabezon [Cabazon], San Gorgonio Pass 640 Comment
  POM202563  Dicoria canescens Marcus E. Jones 1933-11-7 s.n. Riverside Cabazon Comment
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Sep 16 2011
  RSA296150  Dicoria canescens B. A. Prigge 1980-8-18 3989 Riverside San Bernardino Mts, Catclaw Flat: 3.5 miles NNW of trout farm 963 Comment
  RSA339628  Dicoria canescens R. F. Thorne 1980-5-28 54158 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  SD120075  Dicoria canescens Louis B. Ziegler 1976-1-27 537 b Riverside Coachella Valley Comment
  UCR132488  Dicoria canescens Michael D. Wilcox 2003-6-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Oasis 152 Comment
  CLARK-A1528-53  Digitaria ischaemum John C. Roos 1951-9-25 5276 Riverside Riverside 259 Comment
  POM301714  Digitaria sanguinalis J. C. Roos 1937-8-17 2547 Riverside San Jacinto. Comment
  CAS-BOT-BC291029  Dimorphotheca sinuata D. E. Breedlove 1962-3-11 1897 Riverside San Jacinto River, 6.2 miles southeast of State 79, on State 74, in Hemet 579 Comment
  CAS-BOT-BC152906  Diplacus brevipes Steve Boyd 1986-4-22 1737 Riverside Temescal Canyon: Walker Canyon area where Alberhill Creek (=Temescal Ck.) flows between Alberhill Mtn. and Gavilan Hills; on N slope Alberhill Mtn. Comment
  CAS-BOT-BC167078  Diplacus brevipes Wayne Law; Jun Hu 2000-5-16 15 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  CAS-BOT-BC153093  Diplacus fremontii Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA0019407  Diplacus fremontii Mary F. Spencer 1922-6-15 375 Riverside Prope [near] Idyllwild, San Jacinto Mt. Comment
  RSA0028691  Diplacus puniceus Stephen Hill 1981-2-16 19 Riverside Lake Matthews Dr. 5.8 miles S. of Cajalco E. side of rd. Comment
  CDA7874  Dipsacus sativus Kurt Cambell 2006-6-15 s.n. Riverside Northwest corner of Moraga Road and Rancho California Road, Temecula. Comment
  RSA0116273  Distichlis spicata Mitch Provance, Ken Halama 2003-6-15 17059 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR102723  Ditaxis californica B. G. Pitzer 1998-1-24 3409 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR102949  Ditaxis californica George K. Helmkamp 1998-4-4 3181 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  JEPS3936  Ditaxis claryana Marjorie D. Clary 1933-3-13 Riverside Coral reef Ranch, Coachella Valley Comment
  RSA338322  Ditaxis lanceolata L. M. Shultz, John S. Shultz 1985-4-18 8327 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15). 610 Comment
  RSA421605  Ditaxis lanceolata I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon [see my comment at locn B, above -SDW 2004] Comment
  RSA5554  Ditaxis lanceolata B. D. Stark 1932-6-15 3735 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  SBBG87466  Ditaxis lanceolata A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6026 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 411 Comment
  SEINET10453841  Ditaxis lanceolata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 27 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  UC868541  Ditaxis lanceolata Alice Eastwood 1913-4-30 3008 Riverside Blue Canyon Palm Springs; , Blue Canyon Comment
  UCSB39057  Ditaxis lanceolata Jorgensen, Jan 1982-3-21 Riverside Corn Spring Oasis, Chuckwalla Mountains 600 Comment
  UC604847  Ditaxis neomexicana Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9517 Riverside 19 mi. from Cottonwood Springs (n. edge Pinto Basin); n. edge Pinto Basin Comment
  CDA24811  Dithyrea californica M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  POM265126  Dithyrea californica I. L. Wiggins 1937-3-9 8765 Riverside Sand dunes 20 miles north of Indio. Comment
  UC10263  Dithyrea californica S. B. Parish Apr 4 1896-Apr 13 1896 4107 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. 152 Comment
  SD154066  Dodecahema leptoceras Fred Sproul June 1999 Riverside San Jacinto Wash in Valle Vista, east of Hemet, at gaging station. Observed over several acres both north and south of the San Jacinto River. This collection from population a marked on the enclosed map, north of river. Comment
  CAS-BOT-BC136110  Dodecatheon alpinum Carl B. Wolf 1932-8-5 3962 Riverside 1st Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak - San Jacinto Mountains 2743 Comment
  JEPS14662  Dodecatheon alpinum C. V. Meyer 1928-7-27 560 Riverside Round Valley San Jacinto Mts., Round Valley 2773 Comment
  JEPS103619  Downingia cuspidata Lisa Schultheis 1995-5-9 144 -95 Riverside Santa Rosa Plateau Preserve Comment
  UC1348972  Downingia cuspidata Robert F. Thorne, E. Lathrop, and P. Munz 1968-5-8 37571 Riverside Mesa de Colorado Santa Rosa Plateau 670 Comment
  UC10472  Draba corrugata var. saxosa H. M. Hall July, 1901 2413 Riverside near the summit San Jacinto Mountains San Jacinto Mountains 3291 Comment
  UC10473  Draba corrugata var. saxosa H. M. Hall 1897-7-21 703 Riverside San Jacinto Mts. 3293 Comment
  SEINET4568276 Image available Draba crassifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4592 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR217794  Draba cuneifolia Jim Andre, T. La Doux 2010-2-28 12561 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  RSA530891  Draba saxosa Albert J. Perkins 1917-7-19 s.n. Riverside Summit San Jacinto Pk. 3293 Comment
  UCR121692  Draba verna A. C. Sanders 2002-5-4 25038 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  RSA192259  Dryopteris arguta E. W. Lathrop 1960-6-7 4866 Riverside 14 miles west of Murrieta Comment
  UC1523646  Dryopteris arguta Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61181 Riverside Cole Canyon; Santa Rosa Plateau, Nature Conservancy Reserve 535 Comment
  RSA125606  Dudleya lanceolata Lee W. Lenz, H. N. Metcalf 1957-6-7 22623 Riverside About 15 mi. south of Hemet along Hwy 79. Comment
  RSA397783  Dudleya lanceolata H. Twining 1890-05 s.n. Riverside Foothills [Riverside] Comment
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Oct 27 2011
  RSA588661  Dudleya pulverulenta subsp. pulverulenta D. L. Banks, S. D. Boyd 1995-10-17 0818 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR280930  Dysphania pumilio Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 33 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  POM8382  Dyssodia porophylloides Mary F. Spencer 1918-4-8 510 Riverside Palm canyon. 183 Comment
  RSA557322  Echinochloa crus-galli Scott D. White 1993-7-5 1384 Riverside San Jacinto Wildlife Area. West of dirt road. 445 Comment
  RSA206504  Eleocharis acicularis E. W. Lathrop 1969-5-29 7080 Riverside 8 miles west of Murrieta, Trail between Tenja Road and Los Alamos Canyon. Comment
  RSA706563  Eleocharis geniculata A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25686 Riverside Colorado Desert: Coachella Valley, 84th Avenue, east of Johnson St., near west edge of Salton Sea 67 Comment
  JOTR32524  Eleocharis macrostachya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2608 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA0050592  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. In open disturbed area along road 5S02. 1402 Comment
  RSA343113  Elymus glaucus R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60637 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  SEINET7303713 Image available Elymus glaucus Robert Thorne, J. -P. Simon, & C. W. Tilforth 1969-1 38111 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon 1676 Comment
  RSA619571  Elymus glaucus subsp. jepsonii D. L. Banks 1997-5-5 1976 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
  POM126305  Emmenanthe penduliflora Thomas Craig 1927-4-2 51 Riverside Canyon near Hidden Springs. Comment
  RSA401451A  Emmenanthe penduliflora Ora M. Clark 1929-3-16 1722 Riverside N. of Whitewater. Comment
  SD232263  Emmenanthe penduliflora Steve Boyd, Amber Maurice, Pesach Lubinksy, Leland Lubinsky 2003-4-17 10461 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
  SEINET7073431  Emmenanthe penduliflora A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UC1518629  Emmenanthe penduliflora Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55466 Riverside San Bernardino Mts.: Side-canyon on W side of Whitewater, ca 3.3 mi N of Whitewater Post Office 594 Comment
  UCR41850  Emmenanthe penduliflora A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6037 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR241814  Encelia californica A. C. Sanders, Timothy W. Chumley 2013-4-2 40752 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake 396 Comment
  RSA593975  Encelia farinosa D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0960 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA696888  Encelia farinosa W. Marquart 1938-3-12 s.n. Riverside 15 mi. W. of Desert Center on main highway. Comment
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Apr 5 2011
  UC895510  Encelia farinosa C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring Comment
  UCD19708  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside 6.2 miles west of junction of Hwy 78 and Hwy 60-70 near Blythe. Comment
  UCD20083  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -215 Riverside 14.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  UCR196376  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCSB6481  Encelia farinosa Leeuwen, Henry 1957-4-12 Riverside In Whitewater Canyon; 1 mile from US 60-70-99 Comment
  POM356677  Encelia farinosa var. farinosa Norman C. Cooper 1949-4-8 3263 Riverside Mecca Pass east of Indio. 610 Comment
  RSA543309  Encelia farinosa var. farinosa Steve Boyd 1991-3-17 5487 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SDSU12239  Encelia farinosa var. farinosa Shasta Gaughen, M. G. Simpson 2000-4-1 5 Riverside N. side of Santa Margarita River gorge where service road from Northside Field Station, Santa Margarita Ecological Reserve (SDSU) crosses the river. 232 Comment
  SDSU14248  Encelia farinosa var. farinosa Michael Powers 2002-4-2 7 Riverside On north side of Via Tornado Road to north of Santa Margarita riverbed in Santa Margarita Ecological Reserve. 200 feet west of parking lot in riverbed. 233 Comment
  JEPS34124  Encelia frutescens Marjorie D. Clary 1933-4-9 2178 Riverside Clemens Well Orocopia Mountains, Clemens Well 243 Comment
  CLARK-A1045-150  Ephedra californica George K. Helmkamp 1977-3-20 Riverside Cabazon Cabazon 7.5'Q Comment
  JOTR29571  Ephedra californica Andre, Jim 2006-4-6 6776 Riverside Joshua Tree National Park. ridgetop, w. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner of boundary of park 1324 Comment
  RSA107852  Ephedra californica L. S. Rose 1955-3-14 55028 Riverside Whitewater Wash, 3 mi se. of Palm Springs Station. 305 Comment
  RSA383878  Ephedra californica Martha Hilend 1928-3-11 108 Riverside Morongo Valley n. of Colorado Desert, California. Comment
  SD247265  Ephedra californica A. C. Sanders, Jim Malusa 2015-3-9 41358 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi south of Btradshaw Trail, US Navy Choc olate Mountains Aerial Gunnery Range (Red Cloud Canyon 7.5'Q) 679 Comment
  UC205579  Ephedra californica H. M. Hall 1919-3-25 Riverside Whitewater Wash Comment
  RSA0124029  Ephedra nevadensis Duncan S. Bell, LeRoy Gross 2016-3-10 8888 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UCSB11472  Ephedra nevadensis Dearing, Hugh; Dearing, Margaret 1942-3-10 Riverside Dos Palmas Canon near Palms to Pines Highway Comment
  SEINET3867745  Ephedra trifurca Faulkner 1978-3-20 327 Riverside Near Big Maria Mtns., 1 mile West of Colorado River.; 0 152 Comment
  UC1287195  Ephedra viridis C. L. Hitchcock 1966-3-16 24204 Riverside 7 mi s of Palm Desert (along Palms to Pines Hiway) Comment
  SD122186  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. 334 Comment
  SDSU13704  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 335 Comment
  UC874241  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-13 4309 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  JOTR35179  Epilobium ciliatum subsp. ciliatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3278 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  UCR25050  Epilobium densiflorum A. C. Sanders 1981-7-22 1742 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  UCR22003  Epilobium paniculatum Steve Boyd 1980-9-8 343 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR38681  Epipactis gigantea J. M. Stewart 1985-6-2 8523 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, Palm Canyon drainage 244 Comment
  RSA684696  Equisetum laevigatum Norman C. Cooper 1949-6-29 4320 Riverside Hemet Lake, San Jacinto Mountains. 1524 Comment
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May 13 2011
  UCSB51400  Eragrostis mexicana Roos, John 1965-7-7 Riverside San Jacinto Comment
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Mar 10 2013
  CSUSB1385  Eremalche rotundifolia A. R. Gillogly 1966-3-10 Riverside 2 miles south of Palm Desert, 1/2 mile east Palm-To-Pines Highway 106 Comment
  RSA480029  Eremalche rotundifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2156 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  JEPS25984  Eremothera chamaenerioides P. A. Munz and D. Keck Apr 9 1922-Apr 22 1922 4853 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  SD187443  Eremothera refracta Naomi Fraga, Lisa Rojas 2005-2-10 1351 Riverside Northeastern Colorado Desert region, just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  RSA0105507  Eriastrum densifolium subsp. austromontanum Mary F. Spencer 1923-08 s.n. Riverside Tahquitz ridge near Tahquitz peak. San Jacinto Mountains 2439 Comment
  RSA0097953  Eriastrum densifolium subsp. mohavense Duncan S. Bell 2014-11-14 7720 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  JEPS69026  Eriastrum diffusum subsp. coachellae E. E. Schellenger April 1920 Riverside Coachella Colorado Desert. Comment
  RSA0042917  Eriastrum eremicum Duncan S. Bell, Evan Meyer 2014-4-2 6498 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UC449749  Eriastrum eremicum subsp. eremicum F. M. Reed 1917-5-19 3837 Riverside mesa s Palm Springs Village; Colorado Desert Comment
  RSA0120092  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs, Joshua Tree National Monument. Comment
  RSA0121257  Eriastrum eremicum subsp. eremicum Robert Gustafson 1980-5-5 1572 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  RSA0120677  Eriastrum harwoodii Duncan S. Bell 2009-4-18 238 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  RSA0120680  Eriastrum harwoodii D. Silverman, F. T. Sproul, Tammy Beyerl, Erin Bergman 2010-3-29 7875 Riverside East end of Chuckwalla Valley, west of Blythe, 1.3 miles south of gas line frontage, 1.9 km south of I-10 and 8.5 km west of Nicholl's Warm Spring. 142 Comment
  UC284208  Eriastrum sapphirinum P. A. Munz 1923-6-14 7103 Riverside Glen Ivy Trail Santa Ana Mts., Santiago Peak 914 Comment
  UCR116969  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2001-5-3 24094 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  CAS-BOT-BC515002  Eriastrum sapphirinum subsp. dasyanthum Mary F. Spencer 1919-6-17 s.n. Riverside Roadside on slope of San Jaacinto Mt. 1097 Comment
  RSA502198  Ericameria brachylepis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3706 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  RSA524241  Ericameria brachylepis Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4128 Riverside Vail Lake area, E flank of 'Big' Oak Mtn, S of E summit. 610 Comment
  JOTR31180  Ericameria cooperi var. cooperi La Doux, Tasha, G. Clifton 2009-5-14 1977 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  RSA674530  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside North of Alvin Meadow near USFS Road 5S10 (Red Hill Rd) (Lk Fulmor/Blackburn Cyn. 1616 Comment
  UCR94065  Ericameria cuneata Scott D. White, D. Haselfeld 1996-7-2 4255 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  JOTR30827  Ericameria cuneata var. spathulata La Doux, Tasha, Jim Andre 2008-9-16 343 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  SD229091  Ericameria nauseosa var. bernardina Dick Schwenkmeyer 2012-8-27 800 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  SEINET10808748  Ericameria nauseosa var. mohavensis David B. Dunn 1946-8-17 Dunn 2728 Riverside Found along trail to Hidden Lake in San Jacinto Mts. Comment
  UCR120174  Ericameria palmeri var. pachylepis Mitch Provance 1998-3-6 140 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Park, 0.7 km west of Pyrite St.on the north side of Granite Hill Dr. 305 Comment
  UCR22165  Ericameria palmeri var. pachylepis Steve Boyd 1980-10-13 362 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  OBI38365  Ericameria paniculata David J. Keil 1980-11-30 s.n. Riverside At Whtewater along I-10 Comment
  RSA0121042  Ericameria paniculata Duncan S. Bell, LeRoy Gross 2016-3-29 9125 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  SD115000  Ericameria parishii var. parishii Earl W. Lathrop 1979-6-19 7506 Riverside Cleveland National Forest, Trabuco District, Bedford Truck Trail, Southwest slope Pleasants Peak. 3.5 miles northwest Junction Eagle Pass Tr. 945 Comment
  POM18175  Ericameria pinifolia M. French Gilman 1932-11-30 14 Riverside Banning Water Canyon. Comment
  RSA596184  Ericameria pinifolia D. L. Banks 1996-11-7 1210 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  SEINET5708403 Image available Ericameria pinifolia Lowell E. Urbatsch, Patricia B. Cox; Sue Grace 1995-1 7091 Riverside Near the Cottonwood Headquarters in the Joshua Tree National Park.; Joshua Tree National Park Comment
  RSA522306  Erigeron bonariensis Steve Boyd 1989-7-9 3776 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UCR160054  Erigeron breweri Steve Boyd, Valerie Soza 2004-6-22 11538 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  RSA0120443  Erigeron divergens Duncan S. Bell, LeRoy Gross 2016-5-18 9601 Riverside Santa Rosa Mountains; west side of Martinez Mountain; along the Cactus Spring Trail where it crosses Horsethief Creek. 1050 Comment
  RSA40569  Erigeron divergens J. C. Roos 1947-4-5 3418 Riverside on stony slope, SE of Pinyon Flats, Santa Rosa Mts. 1372 Comment
  RSA750551  Erigeron divergens Scott D. White, Justin M. Wood 2009-5-21 12874 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  CLARK-A1528-1824  Erigeron foliosus John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  UCR26265  Eriochloa contracta John C. Roos 1963-8-10 s.n. Riverside Sonoran (Colorado) Desert, Colorado River Valley, Blythe 82 Comment
  RSA33585  Eriodictyon crassifolium N. C. Cooper 1944-5-20 1309 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA455017  Eriodictyon crassifolium Elbert Benjamine 1929-5-18 233 Riverside Mt. San Jacinto. Comment
  SD137735  Eriodictyon crassifolium Darin L. Banks, Steve Boyd 1995-3-30 127 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope pf Agua Tibia Mt. W of Dripping Springs Alcove, on Woodcuck Trail 633 Comment
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Mar 2 2013
  UC708743  Eriodictyon crassifolium H. K. Wagnon 1944-5-30 405 Riverside along Tahquitz Creek (Palm Springs); along Tahquitz Creek, Palm Springs Comment
  CAS-BOT-BC189126  Eriodictyon crassifolium var. crassifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  RSA618408  Eriodictyon crassifolium var. crassifolium D. L. Banks 1997-5-5 1968 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SBBG65116  Eriodictyon crassifolium var. nigrescens V. Duran 1933-7-1 3489 Riverside near Santa Rosa 1676 Comment
  CAS-BOT-BC188972  Eriodictyon parryi John Thomas Howell 1928-7-8 4077 Riverside Trail to Santiago Peak above Glen Ivy, Santa Ana Mountains 1524 Comment
  RSA455110  Eriodictyon trichocalyx Larry E. DeBuhr 1977-5-6 2588 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  RSA783129  Eriogonum J. D. Olmsted 1959-11-8 1083 Riverside Fish Fork between sixth and seventh falls 1418 Comment
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Jun 8 2013
  JEPS57092  Eriogonum apiculatum Marjorie D. Clary 1932-11-14 1675 Riverside Palms to Pine Road San Jacinto Mts. 1310 Comment
  SBBG160  Eriogonum apiculatum R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2499 Comment
  SD86300  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mountains, along California Highway 243, 4.4 miles north north-west of Idyllwild, 8.9 miles north of the junction with highway 74, and 1 mile south of Alandale Ranger Station Comment
  CAS-BOT-BC242796  Eriogonum davidsonii Winifern W. Swarth 1914-9-7 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  GMDRC2045  Eriogonum davidsonii J. Andre 2006-4-26 6764 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
  JOTR29585  Eriogonum davidsonii Andre, Jim 2006-4-26 6764 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA593376  Eriogonum davidsonii Scott D. White 1996-7-23 4356 Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  RSA78779  Eriogonum davidsonii Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17277 Riverside 1 mi. SW of jct. with Hwy 74 along road to Anza. 1402 Comment
  UC574954  Eriogonum davidsonii C. Epling, Wm. Robison 1933-6-26 Riverside Lost Horse Well Little San Bernardino Mountains, Lost Horse Well Comment
  SBBG61985  Eriogonum deflexum R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  CAS-BOT-BC256130  Eriogonum deflexum var. deflexum Howard Scott Gentry 1936-11-1 2968 Riverside West side of Colorado Desert 152 Comment
  SEINET3086511 Image available Eriogonum fasciculatum J. Harry Lehr 1975-10-12 1697 Riverside Rt. I-10, 2 mile E of Ramsey Street, Banning. 152 Comment
  UCR235219  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, John F. Green 2012-6-1 40240 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  UCR137035  Eriogonum fasciculatum subsp. polifolium A. C. Sanders 2004-5-5 27780 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  CAS-BOT-BC249902  Eriogonum fasciculatum var. flavoviride D. A. Johansen; J. A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 365 Comment
  POM123086  Eriogonum fasciculatum var. foliolosum Marcus E. Jones 1890-5-23 s.n. Riverside Riverside. Comment
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May 22 2012
  POM319084  Eriogonum fasciculatum var. foliolosum Patricia Wilder 1971-9-29 5281 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
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Mar 27 2011
  RSA393433  Eriogonum fasciculatum var. foliolosum Josephine Derigo 1941-7-21 s.n. Riverside Railroad Canyon, Elsenor. Comment
  UCR92291  Eriogonum fasciculatum var. foliolosum Scott D. White, M. A. Patten 1995-8-16 3547 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  JEPS57288  Eriogonum fasciculatum var. polifolium L. R. Heckard and R. C. Bacigalupi 1968-5-5 1806 Riverside 2/6 mi n Radec 548 Comment
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Jun 1 2012
  JOTR31139  Eriogonum fasciculatum var. polifolium La Doux, Tasha 2009-6-3 1850 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  RSA296187  Eriogonum fasciculatum var. polifolium Barry A. Prigge 1980-8-5 3825 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  RSA393346  Eriogonum fasciculatum var. polifolium N. C. Cooper 1944-7-15 1572 Riverside Banning. 701 Comment
  SEINET7048185  Eriogonum fasciculatum var. polifolium Steven R. Hill 2001-5-3 33693 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  SEINET10280031 Image available Eriogonum gracile John C. Roos 1952-8-27 5888 Riverside Peninsular Range; Riverside; Pigeon Pass, Box Springs Mountains. 457 Comment
  POM10480  Eriogonum gracile var. gracile Charlotte M. Wilder 1904-7-6 376 Riverside Wilder's Canon. Jurupa Hills. Comment
  RSA393246  Eriogonum gracile var. gracile Ann Grove 1980-10-8 9 ..10 Riverside Tenaja Ranger Station area, Rancho California, 7 miles northwest of Murrieta, southwest Riverside Co. Comment
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Dec 1 2014
  RSA741737  Eriogonum gracile var. gracile M. Wall 2008-10-6 494 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  UCR117091  Eriogonum gracile var. gracile A. C. Sanders, T. B. Salvato 2001-5-16 24295 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  RSA242183  Eriogonum gracile var. incultum 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. 915 Comment
  UCR148292  Eriogonum inflatum 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
  UCSB1442  Eriogonum inflatum Gray, Caroline 1956-4-13 Riverside Whitewater Cyn; near Whitewater Comment
  UC666511  Eriogonum inflatum var. deflatum Annie M. Alexander and Louise Kellogg 1941-5-28 2263 Riverside e on Metropolitan Aqueduct road Hayfield (on bank below road); Colorado Desert Comment
  UC66489  Eriogonum inflatum var. inflatum E. E. Schellenger 1904-10-15 39 Riverside between Whitewater and Palm Springs Comment
  RSA78727  Eriogonum maculatum P. A. Munz 1952-4-15 17344 Riverside Wash ca. 3 mi. west of Monument Peak, Joshua Tree National Monument 1128 Comment
  RSA766361  Eriogonum nudum var. pauciflorum Joseph A. Ewan 1930-8-31 2132 Riverside Below north rim of Tahquitz Valley. San Jacinto Mts. 2591 Comment
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Nov 6 2011
  RSA393042  Eriogonum palmerianum H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
  CAS-BOT-BC266939  Eriogonum parishii James L. Reveal; Barbara J. Ertter 1976-6-30 4568 Riverside Along dirt road to Santa Rosa Mountain at Santa Rosa Camp, about 8.5 miles southeast of California Highway 74, Santa Rosa Mountains 2164 Comment
  POM13683  Eriogonum parishii P. A. Munz 1922-6-29 5894 Riverside Santa Rosa. 2043 Comment
  CAS-BOT-BC263534  Eriogonum thomasii L. R. Abrams 1926-3-26 11015 Riverside Palm Springs Comment
  CAS-BOT-BC263547  Eriogonum thomasii John Thomas Howell 1931-6-5 6653 Riverside 1 mile east of Whitewater Comment
  RSA799520  Eriogonum thomasii Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4775 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  UCR112108  Eriogonum thomasii A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23360 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR245954  Eriogonum thomasii Duncan S. Bell 2009-3-7 26 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  UCR88122  Eriogonum thomasii A. C. Sanders, G. Nuhn 1995-4-20 16597 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  CAS-BOT-BC262870  Eriogonum thurberi Susan G. Stokes 1933-7-1 74 Riverside Road to Idyllwild 1219 Comment
  UCR246556  Eriogonum trichopes Duncan S. Bell 2009-4-19 269 Riverside Arica Mountains, west side of range, c. 2.5 air miles SW of Priests Well 391 Comment
  SEINET3087565 Image available Eriogonum viridescens A. C. Sanders, B. Phillips, B. Pitzer 1988-5-22 7860 Riverside Mojave Desert, 1.5 mi. NW of Rosamond near the airport, N of Felsite St. & W of 35th St. W. Comment
  OBI37471  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co Park, N edge of the Gavilan Plateau, Gavilan Hills 610 Comment
  RSA785069  Eriogonum wrightii var. membranaceum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 77 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  RSA679186  Eriogonum wrightii var. subscaposum Michael Denslow, M. W. Denslow Sr., Naomi Fraga 2003-7-16 1458 Riverside Santa Rosa Mountains, first peak west of Toro Peak. 2617 Comment
  SEINET10933645  Erioneuron pulchellum David B. Dunn 1946-3-16 Dunn 2058 Riverside Collected on dry plateau 1/2 mi NE of Pushawalla Palms. Indio Hills. Sparse desert scrub of Larrea and Franseria with palms at the springs in the canyon. Comment
  POM306146  Eriophyllum confertiflorum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1337 Riverside Santa Rosa Mountains. Comment
  RSA525428  Eriophyllum confertiflorum Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4537 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA715348  Eriophyllum confertiflorum A. C. Sanders, Teresa B. Salvato, Kelly Volansky 2006-5-28 32670 Riverside 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
  UCR111771  Eriophyllum confertiflorum Mitch Provance 1998-3-17 223 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  JOTR31116  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2500 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Monzogranite boulder outcrop near base of Quail Mountain, between Lost Horse Valley and Juniper Flats; Edge of old burn area (Stop 1) Comment
  RSA704015  Eriophyllum confertiflorum var. confertiflorum Daphne K. Christopher, H. Stevens, Z. Princip 127 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  UC219587  Eriophyllum confertiflorum var. confertiflorum P. A. Munz 1922-6-27 5857 Riverside Santa Rosa Santa Rosa Mts., Santa Rosa 2011 Comment
  POM358077  Eriophyllum multicaule E. Crow 1929-04 337 Riverside N of Alberhill. Comment
  JEPS30442  Eriophyllum wallacei Peter H. Raven 1958-3-16 11871 Riverside 4.3 mi e Cholla Cactus Garden; Joshua Tree National Monument Comment
  OBI8136  Eriophyllum wallacei David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12068 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 5.5 mi N of Cottonwood campgrounds Comment
  RSA80985  Eriophyllum wallacei G. R. Campbell 1952-4-5 18371 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  SD143858  Erodium botrys A. C. Sanders, O. F. Clarke 1997-5-4 20671 Riverside Beaumont: Near railroad on east side of Highway 79, south of I-10. 793 Comment
  UCR263231  Erodium botrys A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41459 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  RSA668341  Erodium cicutarium C. R. Annable 1995-3-16 2288 Riverside 4 km W of Chiriaco Summit and 0.8km N of Interstate 10. Comment
  RSA771754  Erodium cicutarium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4631 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR138818  Erodium cicutarium D. L. Banks 1997-2-23 1289 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  UCR139093  Erodium cicutarium Scott D. White 1997-5-18 5156 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UCR245918  Erodium cicutarium Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3951 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  RSA0108818  Erodium texanum Duncan S. Bell, Amanda Turek 2009-3-30 185 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UC217947  Erodium texanum P. A. Munz, D. Keck 1922-4-13 4923 Riverside Hayfield Colorado Desert, Chuckwalla Valley 152 Comment
  UCR134589  Erodium texanum Marisa Sripracha, Kyle Boyd 2004-2-14 024 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UC729822  Erysimum capitatum Carl B. Wolf 1932-8-4 3910 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  RSA33611  Erysimum capitatum var. capitatum N. C. Cooper 1944-7-16 1550 Riverside At trailside. San Jacinto Mt. above Pine Cove 2072 Comment
  RSA0124286  Eschscholzia androuxii Duncan S. Bell 2016-4-16 9326 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA0022936  Eschscholzia androuxii F. R. Fosberg 1983-4-23 64169 Riverside Whitewater Bridge. Comment
  RSA0023134  Eschscholzia androuxii Henry J. Ramsey, Henry J. Ramsey 1937-2-26 887 Riverside Whitewater. Comment
  UC56225  Eschscholzia californica H. M. Hall Apr. 1903 3713 Riverside Vicinity of Riverside 396 Comment
  UCR35071  Eschscholzia californica L. B. Ziegler 1969-5-27 370 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  UCR33739  Eschscholzia glyptosperma Sears 1978-3-16 818 Riverside Sonoran (Colorado) Desert, 3.5 mi SE of Midland 244 Comment
  RSA726533  Eschscholzia minutiflora Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1443 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCD96464  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 257 Riverside California. Riverside County: Joshua Tree National Park. 810 Comment
  CAS-BOT-BC419606  Eschscholzia parishii W. R. Ernst 1960-3-15 720 Riverside East of Indio on Highway 60-70, about 6 miles west of Cactus City Comment
  CAS-BOT-BC419637  Eschscholzia parishii D. E. Breedlove 1962-3-11 1883 Riverside Pocket of Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
  CAS-BOT-BC419644  Eschscholzia parishii S. B. Parish 1907-4-1 6103 Riverside Whitewater, Colorado Desert Comment
  CLARK-A1528-687  Eschscholzia parishii Fred B. Essig 1967-3-12 Riverside Joshua Tree National Park Comment
  RSA676120  Eschscholzia parishii Scott D. White 2001-4-3 8231 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC667307  Eschscholzia parishii Annie M. Alexander and Louise Kellogg 1941-5-14 2169 Riverside 5 mi s Cottonwood Spring; Colorado Desert, Eagle Mountains Comment
  UCR279520  Eschscholzia parishii A. C. Sanders, Jim Malusa 2017-3-27 43120 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
  UCR30090  Eschscholzia parishii George K. Helmkamp 1983-4-5 483 2 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  SEINET3840909  Eucalyptus cadens Unknown 1992-3-14 12061 Riverside University of California Moreno Valley Field Station, Mareno Valley, Paul Moore's experimental woodlots; eastern of the two lots, near the intersection of Oliver Street and Kennedy Drive, seventeenth tree from north in ninth row from the east, Quadrangle: Sunnymead 7.5 476 Comment
  UCR112832  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
  UCR67001  Eucalyptus camaldulensis S. J. Myers 1990-12-5 s.n. Riverside Santa Ana River, Louis Rubidoux Nature Center, along drainage that connects to Sunnyslope Channel, and to the confluence with the Santa Ana River 213 Comment
  JOTR33749  Eucrypta chrysanthemifolia var. bipinnatifida La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2747 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR86873  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders, James C. Dice. K. C. Rose, D. Woodard 1995-3-29 16255 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  JOTR35074  Eucrypta micrantha La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3526 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  POM160093  Eucrypta micrantha E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  RSA480086  Eucrypta micrantha Steve Boyd, S. Meury, L. Arnseth, Richard Noyes, D. Nordin, Tim S. Ross 1988-3-10 2175 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  JEPS31735  Eulobus californicus W. L. Jepson May 17 1901-Jun 1 1901 1215 Riverside mesas e Riverside Comment
  UCR187477  Euonymus occidentalis Theresa Johnson 2006-8-23 283 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  LA204660  Euonymus occidentalis var. parishii Carl Epling; William Robison 1935-6-30 sn Riverside N fork, San Jacinto River Comment
  POM49793  Euonymus occidentalis var. parishii P. A. Munz, I. M. Johnston 1924-7-27 8790 Riverside Dark Canyon, San Jacinto Mountains. 1616 Comment
  SEINET10689684  Euonymus occidentalis var. parishii Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 19 Riverside San Bernardino National Forest. Fuller Mill Creek. Calocedrus decurrens forest, 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  UC18053  Euonymus occidentalis var. parishii H. M. Hall June, 1901 2299 Riverside water courses in vicinity of Strawberry Valley (San Jacinto Mts.); San Jacinto Mts. 1828 Comment
  RSA792560  Euphorbia eriantha Duncan S. Bell 2012-9-13 4187 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
  UC187061  Euphorbia eriantha S. B. and W. F. Parish Apr 1882 Riverside mountains back of Agua Caliente Colorado Desert (Andreas Canyon) Comment
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Jul 15 2009
  RSA0041945  Euphorbia jaegeri Duncan S. Bell, Loraine Washburn 2014-4-9 6590 Riverside Orocopia Mountains; northeast section of range; approximately 3.75 air miles south of Hayfields Lake. 551 Comment
  UCR194233  Euphorbia lathyris Scott D. White, J. Wood 2006-9-13 11644 Riverside Perris Basin/San Jacinto Mtn Foothills, Gibbel Flat in the Santa Rosa Hills 671 Comment
  SD229139  Euphorbia lurida Dick Schwenkmeyer 2012-8-7 777 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  SEINET10389831  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41851 Riverside Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR264235  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41842 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  RSA339680  Euphorbia misera R. F. Thorne 1980-5-25 54154 Riverside S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon. ca. 1/4-1/2 mile E of Whitewater Post office; S-facing end of rocky ridge above old rad, due N o hwy to Indio. Comment
  UC1792829  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17979 Riverside Coachella Valley: Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 188 Comment
  UCR80791  Euphorbia palmeri Scott D. White 1993-5-29 1470 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  SDSU3706  Euphorbia polycarpa S. J. Barnhart 1966-4-24 660424 -2 Riverside 0.1 mi. east of McAllister St., along the Metropolitan water Co. utility road (dirt). Intersection of Utility Rd. and McAllister St. is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCR107720  Euphorbia polycarpa A. C. Sanders 1997-3-1 19738 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR129150  Euphorbia polycarpa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  JOTR36007  Euphorbia setiloba Harding, Mitzi, T. Herskovits 2012-3-16 215 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  OBI14390  Euphorbia setiloba Robert F. Hoover 1966-10-15 10166 Riverside Dead Indian Cyn Comment
  UCD142855  Euphorbia setiloba Geoffrey Levin 1976-10-17 1168 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills Mountain Range. 91 Comment
  CLARK-A1528-537  Eustoma exaltatum John C. Roos 1951-9-25 5259 Riverside Riverside 259 Comment
  GMDRC3748  Fagonia laevis T. La Doux, J. Andre 2009-3-1 385 Riverside Little San Bernardino Mountains: 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. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  JOTR30626  Fagonia laevis Andre, Jim, Tasha La Doux 2008-3-21 8842 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  RSA775960  Fagonia laevis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 808 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SJSU4939  Fagonia laevis J. A. Schroeder 1969-4-1 8 Riverside 10 mi N of Blythe Comment
  UC667351  Fagonia laevis Annie M. Alexander and Louise Kellogg 1941-5-26 2235 Riverside n wall Munsen Canyon; Eagle Mts. 822 Comment
  UCR275515  Fagonia laevis D. E. Bramlet 2010-3-1 4452 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  CDA22198  Fatoua villosa A. C. Sanders 2004-8-1 28766 Riverside Perris-Aguanga Region; 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) & S of Nuevo Rd., between San Jacinto River and Nuevo. Comment
  RSA645543  Fatoua villosa A. C. Sanders, S. Morgan 1995-11-30 17927 Riverside Riverside: weed in the UCR Botanic Garden [UTM 10km cell: MH-7E, 5N. Edgemont.] 366 Comment
  UCR200273  Festuca microstachys var. pauciflora R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51995 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCR213511  Festuca microstachys var. pauciflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37837 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR225580  Festuca myuros A. C. Sanders, T. B. Salvato 2011-3-29 38869 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
  UCR92504  Festuca myuros S. J. Myers 1996-1-16 s.n. Riverside Perris Basin, 2 mi NE of Perris, flood control channel between Perris Blvd, & Murrieta St., parallel to Nuevo Rd c. 1/4 mi N. 442 Comment
  UCR158726  Filago californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30011 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
  UCR49267  Filago californica Steve Boyd 1986-4-22 1732 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  CAS-BOT-BC454536  Fragaria vesca subsp. californica Tom Paradise 1993-5-22 18 Riverside James San Jacinto Mountains Reserve. 1/2 mile East of Highway 243, near Lake Fulmor Comment
  RSA652638  Frangula californica subsp. californica Jerry Wilk 1969-5-24 s.n. Riverside 10 mi. past Lake Fillmore towards [Idyllwild]. Comment
  SD229246  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-4-17 693 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  RSA0105844  Fraxinus uhdei Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR189289  Fraxinus uhdei Fred M. Roberts, S. Leatherman 2007-9-19 6594 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR252994  Fraxinus uhdei Fred T. Sproul, Julia Groebner 2014-7-21 6007 Riverside Santa Ana River at Norco 169 Comment
  RSA24174  Fraxinus velutina var. coriacea Carl B. Wolf 1940-10-30 9758 Riverside San Jacinto Mts, Penrod Canyon, SE of Kenworthy Guard Station. 1524 Comment
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Oct 27 2008
  SD144078  Funastrum heterophyllum Scott D. White 1997-5-25 14407 Riverside San Jacinto Mts.: Bautista Canyon: along Bautista Cyn Rd. ca. 1.3 road miles NW of Hixon Trailhead (USFS No. 2E43). 700 Comment
  RSA692194  Funastrum hirtellum Scott D. White, Michael Honer 2003-5-14 9295 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  SEINET188336  Funastrum hirtellum C. L. Hitchcock 1940-3-31 5886 Riverside Sandy desert. Between Cottonwood Spring and Pinto Basin. Comment
  RSA740617  Gaillardia aristata Scott D. White, Justin M. Wood 2008-6-19 12253 Riverside San Jacinto Mountains: USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  UCR35176  Galium andrewsii L. B. Ziegler 1967-9-28 252 Riverside San Jacinto Mountains, Hemet (Garner) Valley 1463 Comment
  CAS-BOT-BC223037  Galium angustifolium A. C. Sanders 2006-5-19 32435 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn., Scott Rd. and north of Clinton Keith Rd. 518 Comment
  OBI42660  Galium angustifolium subsp. angustifolium B. Pitzer and K. Kirtland, K. Kirtland 1986-5-20 227 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley in the Rancho Calif area, 1 mi S of Buck mesa on the E side of Butterfield Stage rd (T7S, R2W, sec 36) 457 Comment
  POM17946  Galium angustifolium subsp. angustifolium Philip A. Munz 1923-6-14 7118 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  RSA508019  Galium angustifolium subsp. angustifolium Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2289 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA761999  Galium angustifolium subsp. angustifolium Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 81 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA761269  Galium angustifolium subsp. jacinticum Shawn Krosnick, Naomi S. Fraga, Lucinda A. McDade 2010-8-14 669 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR268305  Galium angustifolium subsp. jacinticum Jim Andre 2012-6-15 30513 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  UCR139041  Galium aparine D. L. Banks 1997-3-6 1397 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  JOTR32840  Galium multiflorum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1481 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  JOTR33950  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 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
  RSA202660  Galium porrigens L. T. Dempster, G. Ledyard Stebbins 1966-6-17 4243 Riverside Red Hill Road, 0.9 mile north of Alvin Meadows. 1662 Comment
  RSA535493  Galium porrigens Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6641 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  POM15038  Galium stellatum Mary F. Spencer 1922-4-3 589 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 213 Comment
  POM367817  Galium stellatum H. de Forest, Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  POM4410  Galium stellatum I. M. Johnston 1917-4-4 1038 (9) Riverside Colorado Desert: Palm Canyon. 305 Comment
  CAS-BOT-BC217617  Galium stellatum subsp. stellatum Marcus E. Jones 1924-2-7 s.n. Riverside Chocolate Mountains, Colorado Desert Comment
  POM173085  Gamochaeta pensylvanica M. French Gilman 1930-10 4 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC178389  Garrya flavescens Carl B. Wolf 1939-1-20 9485 Riverside East side Santa Ana Mts., along Eagle Motor Way, 1 mi. below summit. 914 Comment
  RSA577758  Gastridium phleoides F. M. Reed 1926-5-15 5340 Riverside Menifee Valley 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
  POM355383  Gayophytum diffusum subsp. parviflorum E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC729832  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1932-8-5 3932 Riverside Devils Slide Trail from Idyllwild to Tahquitz Valley (summit); San Jacinto Mts. 2438 Comment
  RSA593765  Gazania linearis Steve Boyd 1996-4-14 8546 Riverside Santa Ana Mountains, along Main Divide Road, just east of Sierra Peak at divide between Fresno and Fremont canyons. 884 Comment
  UCR270194  Gazania linearis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42421 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, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  UCR92696  Gazania linearis A. C. Sanders 1996-4-12 18027 Riverside Moreno Valley: old field/vacant lot on W side of Frederic St. between Eucalyptus and Myers 494 Comment
  POM358675  Geraea canescens N. C. Cooper 1949-4-9 3241 Riverside Mecca Pass E of Indio. 549 Comment
  SBBG32350  Geraea canescens L. S. Rose 1967-12-20 67183 Riverside ca. 6 mi SE of Thousand Palms 15 Comment
  UC727401  Geraea canescens Rateaver 1944-1-30 38 Riverside along trail of entrance to Palm Village Comment
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Mar 13 2014
  CHSC8303  Gilia Edward L. Smith 1958-3-22 391 Riverside 6 mi. s of Rice. Near Priest's Well. Little Santa Maria Mts. 365 Comment
  RSA495459  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2987 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA525457  Gilia angelensis Steve Boyd, Dave Bramlet 1990-4-29 4502 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  SD187454  Gilia angelensis Scott D. White, Angelia Carey 2004-4-16 10183 Riverside Indian Creek and adjacent slopes. 548 Comment
  UC880109  Gilia angelensis P. A. Munz and I. M. Johnston 1922-5-19 5350 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UC908355  Gilia angelensis Herbert L. Mason 1928-3-11 4255 Riverside San Gorgonio Pass Comment
  UCR92046  Gilia angelensis Scott D. White 1995-3-30 2653 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
  UCR62326  Gilia australis Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  POM122410  Gilia capitata subsp. abrotanifolia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA507951  Gilia diegensis Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2269 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  SEINET7072837  Gilia diegensis A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UCR31805  Gilia diegensis A. C. Sanders, Karen Kirtland, Don Emery, Jan West, P. Clark, and others 1982-4-17 294 Riverside San Jacinto Valley, San Jacinto River, c. 1 mi. east of the town of San Jacinto Comment
  JOTR01155  Gilia latiflora subsp. davyi Cole, James E. 1941-4-15 597 Riverside Joshua Tree National Park. ONE MILE ABOVE PINON WELL 1493 Comment
  UCR86866  Gilia latifolia A. C. Sanders, K. C. Rose 1995-4-27 16742 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  CAS-BOT-BC407621  Gilia ochroleuca subsp. exilis Frank W. Peirson 1919-4-15 921 Riverside Whitewater Grade above Cabazon Comment
  SBBG35237  Gilia ochroleuca subsp. exilis T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  RSA0017053  Gilia ochroleuca subsp. exilis Verne Grant, Alva Grant 1950-4-9 8830 Riverside Floodplain in foothills of San Jacinto Mts. along Hwy. 74 SE of Hemet. Comment
  RSA0017100  Gilia ochroleuca subsp. exilis H. M. Hall 1897-05 304 Riverside Hemet Valley. 1372 Comment
  RSA802135  Gilia ochroleuca subsp. vivida Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5014 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCR31681  Gilia scopulorum John C. Roos, Lucille Roos 1949-4-10 4226 Riverside Sonoran (Colorado) Desert, Chuckwalla Mts, rocky hillside 3.5 mi. SE of Desert Center Comment
  JOTR33923  Gilia sinuata La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2814 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
  SEINET3208891  Gilia sinuata G. Goodwin 2012-6-14 3446 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  UCR163229  Gilia sinuata S. I. Morita, Nancy Storms 1998-4-30 04 Riverside NE San Diego Co near border between Anza Borrego State Park and Santa Rosa Wilderness area, Rock House canyon 716 Comment
  CHSC1254  Gilia stellata F. Hughes 1935-4-6 Riverside Colorado desert. Comment
  JOTR30630  Gilia stellata Andre, Jim, Tasha La Doux 2008-3-21 8835 Riverside Joshua Tree National Park. Upper Wilson Wash, approximately 9.5 mi S. of North Entrance 1017 Comment
  SD255245  Gilia stellata Duncan S. Bell, Andrew Chambers 2015-3-12 7785 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgonio Wilderness area; Whitewater Canyon; about 0.75 air miles NE of Red Dome. 863 Comment
  UCR279393  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-25 43009 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR2448  Glyceria elata F. M. Reed 1908-7-13 2479 Riverside San Jacinto Mtns, N margin of meadow in Tahquitz Valley 2439 Comment
  UCR162876  Gnaphalium californicum T. B. Salvato, Kelly Volansky 2003-3-27 134 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR149978  Gnaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR37617  Gnaphalium palustre George K. Helmkamp 1984-5-2 D- 21 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA67365  Guillenia lasiophylla F. W. Peirson 1922-4-9 2918 Riverside Andreas Canyon near Palm Springs, Coachella Valley. 671 Comment
  POM184157  Gutierrezia californica M. French Gilman 1932-11-30 1 Riverside Whitewater Point. Comment
  UCR89835  Gutierrezia californica Scott D. White 1993-5-27 1431 B Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  JOTR35238  Gutierrezia sarothrae Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, South of Eureka Peak Comment
  RSA0104498  Gutierrezia sarothrae Duncan S. Bell 2015-9-30 8657 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UC882183  Harpagonella palmeri P. A. Munz and I. M. Johnston 1922-5-19 5335 a Riverside 5 mi ne Murietta 457 Comment
  UCR77719  Harpagonella palmeri Steve Boyd 1991-5-7 6165 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  RSA589076  Hazardia squarrosa var. grindelioides D. L. Banks, S. D. Boyd 1995-10-17 0787 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA0094790  Hedypnois cretica Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7935 A Riverside San Gorgonio Pass area, between Cabazon and Whitewater, about a 1/2 mile south of Interstate 10, just to the east of a section of the wind farm. 416 Comment
  RSA525439  Helianthemum scoparium var. scoparium Steve Boyd, Dave Bramlet, Bob Boyd 1990-4-29 4484 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  JEPS8949  Helianthus annuus Rimo Bacigalupi with G. T. Robbins 1954-5-16 4469 Riverside one-half mi w Lakeview (just e of Lakeview (formerly Ginsberg) Hot Springs); valley of San Jacinto River 432 Comment
  UCR256808  Helianthus annuus T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7860 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  RSA343089  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, Sara Meury 1985-5-18 60625 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA788961  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49536 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  SJSU10556  Helianthus petiolaris subsp. canescens T. G. Balgooyen 1966-4-4 Riverside 1 mi S of Palm Springs Comment
  UCR150021  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 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
  RSA736313  Hemizonia fasciculata Scott D. White, Justin M. Wood 2008-3-25 11781 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  RSA561418  Hemizonia kelloggii Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7691 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR235092  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40224 Riverside Peninsular Range; Santa Ana Mtns. Region, old railroad grade in hills between I-15 and Temescal Canyon Rd., 0.6 km WNW (295 deg. ) of El Hermano Rd. junction with Temescal Cyn. Rd. 324 Comment
  UCR26534  Hemizonia kelloggii A. C. Sanders, S. Hagopian 1981-5-20 2139 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA713780  Hemizonia mohavensis A. C. Sanders, S. D. Boyd, J. S. Ross, Mitch Provance 1998-10-25 22276 Riverside Herkey Creek, Garner Valley along Hwy 74 near Lake Hemet Campground, north side of road. 1329 Comment
  UCR133332  Herniaria hirsuta subsp. cinerea John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR231753  Herniaria hirsuta subsp. cinerea John F. Green 2008-4-21 02- 07 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  NY43298  Hesperocallis undulata C. R. Annable 1995-3-16 2297 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  CLARK-A1045-1310  Heterocodon rariflorum George K. Helmkamp 1979-6-6 Riverside Wolf Valley Highway S16 south of Murrieta (road to Pala), mile 5; Pechanga 7.5'Q Comment
  UCR132420  Heteromeles arbutifolia A. C. Sanders 2004-2-6 27383 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  RSA0075900  Heterotheca grandiflora D. L. Banks, Victor Steinmann 1996-4-20 0905 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 road junction between the main Preserve Road and the road to the Emerson Cottage., Along road junction between the main Preserve Road and the road to the Emerson Cottage. 466 Comment
  RSA0066124  Heuchera hirsutissima L. B. Ziegler 1969-7-1 s.n. Riverside North face of San Jacinto Mts. 2346 Comment
  CAS-BOT-BC425263  Heuchera rubescens Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Peak, San Jacinto Mts. 3293 Comment
  RSA449945  Hibiscus denudatus J. C. Roos 1958-2-22 s.n. Riverside 2 mi SE of Desert Center Comment
  CAS-BOT-BC312331  Hieracium albiflorum J. Ewan 1930-8-31 2131 Riverside North fork Tahquitz Creek, San Jacinto Mts. 2499 Comment
  UCR227609  Hilaria rigida Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 159 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  UCD115106  Hirschfeldia incana K. Esau 1935-6-15 s.n. Riverside location unknown. Comment
  SBBG3331  Hoffmannseggia glauca H. and M. Dearing 1942-4-6 4867 Riverside ca. 1 to 3 mi E of Blythe Comment
  SDSU7779  Hoffmannseggia microphylla unknown 1952-4-27 Riverside Junction of All-American Canal and Highway east of Mecca. Comment
  UCSB3087  Hoffmannseggia microphylla Hawkins, L. 1956-4-14 Riverside Along roadside of Rt. 66 east of Indio Comment
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Feb 20 2013
  SEINET10918608  Hoffmannseggia microphylla A. K. Evans 1976-4-13 Evans 5155 Riverside Desert canyons of Santa Rosa mountains. Comment
  RSA646292  Holodiscus discolor Orlando Mistretta 1992-7-16 725 Riverside Santa Ana Mountains: Sierra Peak; Astragalus brauntonii survey. Comment
  SEINET10598964  Hordeum californicum Philip A. Munz 1937-3-27 Munz 14936 Riverside Damp flat, overflow from Lake Elsinore, Elsinore. 305 Comment
  SEINET244670 Image available Hordeum depressum A. C. Sanders, D. Malueg 2001-5-17 24358 Riverside Perris-Aguanga Basin Region: gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  UCR272477  Hordeum depressum Mitch Provance 2012-4-12 412- 23 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  CAS-BOT-BC273469  Hordeum intercedens Mitch Provance 2005-5-17 6554 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
  RSA556438  Hordeum intercedens Julie Greene 1993-4-17 1201 Riverside West of Davis Road. 433 Comment
  UCR114962  Hordeum intercedens Fred M. Roberts 1992-4-25 4876 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR189804  Hordeum intercedens Theresa Johnson 2007-5-9 343 Riverside Peninsular Range, San Jacinto Wildlife Area; c. 500 m west of Davis Road, southwest of riparian area Comment
  UCR201820  Hordeum intercedens Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  RSA0063031  Hordeum marinum subsp. gussoneanum Andrew Haimov, April Sleigh 1992-5-10 85 Riverside San Jacinto Wildlife Area next to reclaimed water storage area, approximately 1 1/2 miles east of Davis Road. Comment
  SDSU13568  Hordeum vulgare var. trifurcatum W. Miller 1972-7-12 Riverside x Comment
  CAS-BOT-BC201089  Hosackia crassifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  CAS-BOT-BC312592  Hulsea vestita subsp. callicarpha F. R. Irvine 1958-6-27 s.n. Riverside Santa Rosa Indian Reservation Comment
  POM48854  Hulsea vestita subsp. callicarpha P. A. Munz 1924-5-18 8139 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA769765  Hulsea vestita subsp. callicarpha Duncan S. Bell, Valentin Arvizu 2010-5-10 987 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  UCSB26726  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1, near Black Mtn. junction, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  UCR17007  Hydrocotyle umbellata O. F. Clarke 1975-7-21 s.n. Riverside Riverside, UCR Botanical Garden beside a pond 400 Comment
  RSA772012  Hymenoclea salsola Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4959 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
  UCSC001455  Hymenoclea salsola Peter Kamb 1948-4-11 867 Riverside Aqueduct Road 5 mi east of Garnet Aqueduct Road, Garnet - Coachella Valle 305 Comment
  JOTR31157  Hymenoxys cooperi La Doux, Tasha 2009-6-3 1865 Riverside Joshua Tree National Park. (Stop 4): Little San Bernardino Mountains, Covington Flats Area, gravelly slopes below peak 1511 Comment
  RSA314637  Hypochaeris glabra R. F. Thorne, Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55454 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA0105947  Hyptis emoryi Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  UCR137684  Hyptis emoryi G. A. Reese, S. Kaime 1998-4-6 4719 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  CLARK-A1528-4696  Imperata brevifolia John C. Roos 1965-6-23 Riverside Palm Springs Comment
  HSC27203  Indigofera sphaerocarpa J. P. Smith, J. O. Sawyer 1973-6-10 6890 Riverside Joshua Tree National Monument. Comment
  UCR9262  Isocoma acradenia var. eremophila O. F. Clarke 1969-11-10 s.n. Riverside Sonoran (Colorado) Desert, Near Whitewater on Hwy 111, 2 mi. SE of point where 111 merges into Hwy I-10 at Verbenia Ave. 351 Comment
  POM319719  Isocoma menziesii Patricia Wilder 1971-2-4 4915 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  UCR115882  Isocoma menziesii var. vernonioides Mitch Provance 1999-5-6 1162 Riverside City of Riverside, Property adjacent to NW side of Hole Lake (nearly dry) and north of Parker Way. 226 Comment
  RSA199008  Isoetes howellii R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37420 Riverside Santa Rosa Plateau: near roadside, Rancho California. Santa Ana Mountains 610 Comment
  UC1463089  Isomeris arborea Arthur S. Barclay and Juan Arguelles 1965-3-4 1797 Riverside 4 mi n State Highway 79 junction with State Highway 71 (along State Highway 79) Comment
  RSA736259  Iva axillaris subsp. robustior Scott D. White, Justin M. Wood 2008-4-3 11792 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  UCR262277  Jasminum mesnyi A. C. Sanders 2006-5-13 32285 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SDSU9541  Jepsonia parryi James C. Dice with Tu Chung 1987-10-19 737 Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. T8S, R3W, northwest 1/4 of northwest 1/4 of section 26. 329 Comment
  RSA0011198  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37141 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  SD241063  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11 126 Riverside Santa Ana Canyon, end of Green River Road, near entrance to Green River Golf Course. 124 Comment
  CAS-BOT-BC110072  Juncus acutus L. R. Abrams 1926-3-26 11071 Riverside Palm Canyon. Comment
  RSA44869  Juncus acutus subsp. leopoldii J. C. Roos 1948-5-15 3855 Riverside Lost Palms Canyon, Eagle Mountains., Colorado Desert. Comment
  UCR259224  Juncus arcticus Mitch Provance 2012-4-20 412- 07 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  POM1545  Juncus bufonius H. M. Hall 1904-5-19 4954 Riverside Fairmont Park. Vicinity of Riverside. 244 Comment
  RSA0119964  Juncus bufonius Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9075 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  SBBG92182  Juncus bufonius J. Hirshbert 1989-4-4 Riverside S of Murrieta, W of Mesa de Burro, near head of Cole Cyn; Santa Rosa Plateau 487 Comment
  UCR162937  Juncus bufonius Fred M. Roberts, D. E. Bramlet 2005-4-1 6150 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR280822  Juncus bufonius T. B. Salvato, Gregg Miller 2005-6-3 1368 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR201684  Juncus bufonius var. occidentalis Scott D. White, Justin M. Wood 2008-5-15 11993 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR193904  Juncus effusus subsp. austrocalifornicus A. C. Sanders, Mitch Provance 2008-7-11 35778 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
  UC1601813  Juncus macrandrus H. M. Hall Jul 1901 2248 Riverside Fuller's Mills San Jacinto Mountains Comment
  RSA0035989  Juncus phaeocephalus var. paniculatus E. W. Lathrop 1969-5-29 7081 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA368339  Juncus rugulosus Robert Gustafson 1980-5-5 1559 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  RSA770887  Juncus rugulosus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4590 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM14114  Juncus saximontanus Phillip A. Munz 1922-6-30 5902 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  SD136978  Juncus tiehmii Steve Boyd, Tim Ross 1992-5-15 7390 Riverside Southern Santa Ana Mts,San Mateo Canyon Wilderness Area, major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. Local about vernally active seepage in shallow draw in burned chaparral. 671 Comment
  RSA296134  Juncus xiphioides B. A. Prigge 1980-8-5 3843 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA500121  Juncus xiphioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3690 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UC1563099  Juncus xiphioides Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3551 Riverside just s Vail Lake (in Kolb Creek); Vail Lake Area, Kolb Creek Comment
  RSA650239  Justicia californica Henry Pasek 1949-2-19 s.n. Riverside Edge of desert, E of Banning. 610 Comment
  SEINET2043590 Image available Justicia californica Pomona College 1949-3-28 112 Riverside Palms to Pines Highway State 74, 14 mi SE Palm Springs. 1524 Comment
  UCR172787  Keckiella antirrhinoides Wayne Law, Jun Hu 2000-5-16 13 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR241211  Keckiella antirrhinoides Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 01 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  SEINET13709793  Keckiella antirrhinoides S. W. Austin, S. W. Austin 1969-1 32 Riverside on SW Side of Alberhill Rd, 2.25 Mi. NW Elsinore 1000 Ft 3353 Comment
  CAS-BOT-BC236709  Keckiella antirrhinoides subsp. antirrhinoides H. M. Hall 1901-6-1 2016 Riverside Canyon of the San Jacinto River, San Jacinto Mountains 762 Comment
  SBBG66454  Keckiella antirrhinoides subsp. microphylla L. G. Yates 1894-11-22 Riverside Riverside County [no specific locality] Comment
  SEINET3079370 Image available Keckiella antirrhinoides subsp. microphylla Howard Scott Gentry 1947-4-20 7640 Riverside Gentry Farm, 3 miles NE of Murrieta 396 Comment
  POM122438  Keckiella cordifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCR24489  Keckiella cordifolia John C. Roos, L. Roos 1952-6-24 5786 Riverside In the hills west of Beaumont 732 Comment
  RSA0019430  Keckiella ternata subsp. ternata R. M. Straw 1953-6-24 477 Riverside Idyllwild-Banning Rd., 6.5 mi. S. of Banning. 1143 Comment
  UCR125203  Kochia scoparia Mitch Provance 1998-5-27 546 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  SD229196  Krameria bicolor Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 891 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  SD2346  Krameria bicolor unknown Riverside Palm Springs Comment
  CAS-BOT-BC43707  Krameria erecta H. M. Hall 1901-6-1 2114 Riverside Eastern base, along the borders of the Colorado Desert Comment
  JOTR34066  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2963 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  UCR52008  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  CLARK-A1528-3028  Krameria grayi Lawrence F. LaPre' 1969-5-11 44 Riverside Little San Bernardino Mountains Comment
  RSA0119996  Krameria grayi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9087 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA795972  Krameria grayi Duncan S. Bell 2009-4-19 297 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UCR17305  Krameria grayi K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  CAS-BOT-BC340504  Lactuca serriola Scott D. White 1996-9-22 4543 Riverside Perris Basin, W Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing 435 Comment
  RSA736792  Lactuca serriola Scott D. White, Angelia Carey 2004-7-2 10572 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  JOTR38519  Laennecia coulteri Harding, Mitzi, Kipp Callahan 2012-8-27 288 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA573433  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mtns, San Mateo Canyon wilderness area of Cleveland National Forest, Southwestern edge of the Oak flat area, 0.5 miles S of Serrano Spring. 732 Comment
  CSUSB456  Lamarckia aurea Lynn Baasch 1971-5-16 Riverside University of California, Riverside campus; Hill south of reservoir, which is south of Picnic Hill. Unnatural running water. Comment
  UCR142198  Lamarckia aurea June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  RSA0013708  Lamium amplexicaule LeRoy Gross, Grace Cho 2013-4-9 6005 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
  SD152821  Lamium amplexicaule Steve Boyd 1998-2-26 6694 Riverside Santa Ana Mts. San Mateo Cyn. Wilderness Area from fisherman's camp downstream to confluence with Bluewater Cyn. 305 Comment
  CAS-BOT-BC166018  Larrea tridentata W. R. Dudley 1903-12-30 s.n. Riverside Desert three miles below Thousand Palms Comment
  CAS-BOT-BC170706  Larrea tridentata John H. Thomas 1957-3-30 6527 A Riverside 0.8 mile seast of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70 - Colorado Desert 518 Comment
  CSUSB324  Larrea tridentata Paul M. Estes 1962-5-21 131 Riverside 5 miles east of Indio on Highway 99. Comment
  LA209859  Larrea tridentata A. H. Lange; 1951-5-27 sn Riverside Santa Rosa Mountains, 5 mi. N of Pinyon Flats 609 Comment
  RSA766668  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 161 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  RSA793533  Larrea tridentata Naomi S. Fraga, David Fraker, Tommy Stoughton 2012-3-15 3956 Riverside Off of Box Canyon Rd. south of Shaver well on an alluvial plain. 323 Comment
  SD229306  Larrea tridentata Dick Schwenkmeyer 2013-6-11 913 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  RSA649664  Lastarriaea coriacea Rashmi Pant, Darin Banks 1996-5-13 1024 Riverside NW Palomar Mtns. Agua Tibia Mountians. Foothills S of Hwy 79; E of the Dripping Spring Campground; along xeric ridge, approximately 100mi E of the Dripping Springs Guard Station. Comment
  SD186283  Lastarriaea coriacea T. B. Salvato, Melissa Clemons 2005-6-2 1332 Riverside Temescal Valley: Gavilan Hills, ca 0.5 mi SE of Steele Peak, 4 mi SW of Perris, and 6 mi NNE of Lake Elsinore, NW of Hwy 74 573 Comment
  CAS-BOT-BC338912  Lasthenia californica Scott D. White; Julie Greene 1997-3-12 4774 Riverside Perris Basin, W Riverside Co. Sun City: Near I-215 Freeway, S of Perris and N of Menifee. Low hills E of Bavaria Dr. 490 Comment
  CAS-BOT-BC338930  Lasthenia californica Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37443 Riverside Santa Rosa Plateau: Mesa de Colorado 670 Comment
  CAS-BOT-BC352707  Lasthenia coronaria C. L. Hitchcock; C. V. Muhlick 1962-3-16 22125 Riverside Temescal Canyon, 8 mi. S of Corona Comment
  RSA0069665  Lasthenia coronaria Cheryl Sevilla, Sarah J. De Groot 2015-2-18 13 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  RSA583752  Lasthenia coronaria Steve Boyd 1995-4-24 8479 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 southeast of its junction with the Dripping Springs Trail. 609 Comment
  RSA198969  Lasthenia gracilis R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37443 Riverside Santa Rosa Plateau: Mesa de Colorado 671 Comment
  RSA524596  Lasthenia gracilis Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3911 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA601919  Lasthenia gracilis D. Bramlet 1997-3-15 2500 Riverside Nochols road wetlands: the site is located 183m SE of Nichols Raod, 52m W of Collier Ave, 335m W of I15. locality is 15m W of the existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. Comment
  RSA180432  Lathyrus vestitus subsp. alefeldii E. W. Lathrop 1965-5-7 5710 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  SD8723  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-5-5 Riverside Temecula Comment
  UCD106531  Lathyrus vestitus var. alefeldii C. V. Meyer 1929-6-1 168 Riverside San Jacinto Mountains. 1676 Comment
  SD119911  Lathyrus vestitus var. vestitus Louis B. Ziegler 1967-4-18 115 Riverside Foothills of San Jacinto Mountains, on Poppet Flat Road, road embankment 914 Comment
  SEINET3147917  Layia glandulosa M. F. Gilman 1904-1 3 Riverside Banning Comment
  UC1792810  Layia glandulosa T. B. Salvato, John F. Green 2004-5-27 705 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 1402 Comment
  CLARK-A1528-1980  Layia platyglossa John C. Roos 1941-5-10 130 Riverside San Jacinto Mountains Comment
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Jan 3 2018
  UC63239  Layia platyglossa H. M. Hall May 17 1901-Jun 1 1901 1814 Riverside Johnston Ranch San Jacinto Mountains, Johnston Ranch 1371 Comment
  UCR12202  Layia platyglossa S. W. Berthel 1971-5-27 s.n. Riverside Box Springs Mtns, Just above 'C' Comment
  RSA388317  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estell Mountain: Head of large canyon draining the southeast side of Estelle Mountain. Comment
  RSA180477  Lemna minuta E. W. Lathrop 1960-6-9 4989 Riverside 14 miles west of Murrieta. Comment
  UCR166806  Lepidium densiflorum var. elongatum R. E. Riefner Jr. 2005-6-1 05- 437 Riverside Hemet, Wilhelm property, south side of Florida Ave (Hwy 74) c. 0.25 mi west of MWD canal 459 Comment
  RSA799241  Lepidium fremontii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 749 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
  POM93923  Lepidium fremontii Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  POM47119  Lepidium lasiocarpum Mary F. Spencer 1918-4-12 764 Riverside Palm Springs 137 Comment
  RSA0123116  Lepidium lasiocarpum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9023 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA719036  Lepidium lasiocarpum Michael Honer 2005-3-11 2064 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UCR245260  Lepidium lasiocarpum subsp. lasiocarpum Jim Andre 2012-3-19 21307 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UC144134  Lepidium lasiocarpum var. lasiocarpum Charlotte M. Wilder 1908-3-25 1121 Riverside Fairmount Park Riverside Comment
  CAS-BOT-BC60097  Lepidium virginicum var. menziesii Munz; Harwood 1920-3-20 3399 Riverside 5 miles south of Corona. 304 Comment
  POM139  Lepidium virginicum var. pubescens Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA407717  Lepidium virginicum var. pubescens Steve Boyd 1986-4-22 1760 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA429666  Lepidium virginicum var. pubescens E. Crow 1929-4-21 334 Riverside North of Alberhill Comment
  SD262250  Lepidium virginicum var. pubescens Mitch Provance, Jeremiah George 2017-3-23 317 58 Riverside Temescal Valley: De Palma Rd., side canyon between Horsethief Canyon and Glen Eden, south of dirt road entrance to revegetation plots. 372 Comment
  RSA177021  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside Sandy bank at mouth of Whitewater Wash. 305 Comment
  RSA545232  Lepidospartum squamatum R. F. Thorne 1970-10 41882 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA770420  Lepidospartum squamatum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4879 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
  POM313212  Leptochloa panicea subsp. mucronata Malcolm A. Nobs, S. Galen Smith 1948-9-3 489 Riverside Palm Springs. Comment
  UC1018188  Leptodactylon californicum J. Warren 1952-3-16 Riverside summit Ortega Highway; summit of Ortega Highway 762 Comment
  POM364534  Leptosiphon ciliatus Elbert Benjamine 1929-5-18 227 Riverside Wooded Mesa. 915 Comment
  RSA444555  Lesquerella tenella W. Wisura 1988-3-1 4199 Riverside 1.8 mile along Black Eagle Mine Road, Joshua Tree National Monument Comment
  SD28107  Lessingia glandulifera var. glandulifera Carl B. Wolf 1932-8-4 3925 Riverside San Jacinto Mountains; Strawberry Valley; 1.5 miles from Idyllwild on road to Banning. 1705 Comment
  UC1287416  Lessingia glandulifera var. glandulifera Willard Spence 1962-6-24 682 Riverside 7.8 mi e of Temecula and route 395; Radec Comment
  POM12132  Leymus triticoides Mary F. Spencer 1921-5-29 1690 Riverside San Jacinto 549 Comment
  RSA334994  Leymus triticoides Steve Boyd 1985-7-23 1006 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  RSA368915  Lilaea scilloides S. B. Parish 1890-03 s.n. Riverside Near Colton. Comment
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Sep 24 2016
  UCR241499  Lilium humboldtii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 222 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR199668  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park, Santa Ana River floodplain just blow Prado Dam 137 Comment
  UCR77689  Linanthus androsaceus subsp. luteolus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6149 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  UCR88648  Linanthus bigelovii A. C. Sanders 1995-4-13 16503 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
  HSC101578  Linanthus californicus Steve Boyd, Susan Jett 2008-3-20 11829 Riverside Peninsular Ranges; Santa Ana Mountains region: eastern flank of the range along El Cariso Trunk Trail, ca. 0.5 mi. north of Highway 74 732 Comment
  RSA720466  Linanthus dianthiflorus Naomi Fraga, Tim Thibault 2006-5-16 1672 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  UC907941  Linanthus dianthiflorus Victor Duran 1930-4-17 Riverside Sage Comment
  UCR24233  Linanthus dianthiflorus John C. Roos 1952-4-13 5529 Riverside Box Springs Mtns 488 Comment
  POM364587  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-3-16 H.- 6998 Riverside South of Cabazon. Comment
  RSA543897  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1991-5-20 6272 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA768413  Linanthus jonesii J. Andre, T. La Doux 2009-2-25 10829 Riverside Big Maria Mountains: along the west side of Highway 95 just south of Black Point, approx. 15 miles north of Blythe 94 Comment
  SD258481  Linanthus jonesii J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24383 Riverside West Riverside Mountains at base of NW corner of range where sand ramps run up against granitic bouldery slopes, ca. 10 miles SW of Vidal Jct, 3.0 miles south of Grommet RR xing at Hwy 62. 363 Comment
  UC908001  Linanthus jonesii Herbert L. Mason 1928-3-10 4202 Riverside Hidden Springs Canyon Coachella Mountains Comment
  RSA747966  Linanthus lemmonii Justin M. Wood 2009-5-11 689 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UC133795  Linanthus lemmonii T. S. Brandegee 1902-5-19 Riverside Banning Comment
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Mar 13 2011
  RSA657240  Linanthus maculatus J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12339 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  SEINET7073454  Linanthus parviflorus A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR213886  Linanthus parviflorus Scott D. White, Angelia Carey 2004-4-5 9988 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR116408  Linanthus pygmaeus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24181 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR41453  Linaria bipartita B. G. Pitzer 1986-2-22 0017 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  RSA754348  Lithophragma affine E. Crow 1929-3-17 193 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR114759  Lithophragma parviflorum Scott D. White, D. E. Bramlet 1999-4-22 7236 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR228925  Loeflingia squarrosa A. C. Sanders 2011-4-6 39007 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
  JOTR32966  Loeseliastrum matthewsii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2717 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UC1563039  Logfia arizonica Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-19 3043 Riverside 0.75 mi nw dam (s flank Oak Mountain); Vail Lake area 621 Comment
  SEINET10727477  Logfia arizonica David B. Dunn, Shogo; Schroeder; Bruskin; FOLSOM 1948-3-13 Dunn 3706 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCR54314  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  SD137926  Lomatium dasycarpum subsp. dasycarpum Darin L. Banks, Steve Boyd 1995-3-15 67 Riverside Northwest Palomar Mountains; Agua Tibia Wilderness Area, north face of Agu Tibia Mountain, Dorland Mountain area. 700 Comment
  UCSB18143  Lomatium mohavense Lehmann, Karla 1964-5-10 Riverside Pinyon Flants Campground 1249 Comment
  RSA192213  Lomatium vaginatum E. W. Lathrop 1960-3-11 4655 Riverside 5 miles west of Murrieta. Comment
  POM17806  Lonicera subspicata var. denudata P. A. Munz 1923-6-14 7052 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  RSA388333  Lonicera subspicata var. denudata Steve Boyd 1986-5-7 1831 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  UCR109483  Lotus argophyllus A. C. Sanders 1994-5-29 14569 Riverside San Bernardino Mtns, Millard Canyon, at stream crossing just below site of Millard Station on Forest Service Road 2S05 1100 Comment
  RSA496733  Lotus argophyllus var. argophyllus B. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mts., near southernmost radio towers 793 Comment
  UCR199738  Lotus corniculatus Scott D. White, Justin Wood 2008-6-24 12290 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  RSA722939  Lotus crassifolius R. E. Riefner Jr. 2007-6-16 07 -264 Riverside City of Hemet, Bautista Canyon, 2.8 mi. E of Fairview Ave. on Bautista Rd. 693 Comment
  RSA715069  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  UCR92162  Lotus hamatus D. L. Banks, Peter L. Morrell 1995-5-4 315 Riverside Agua Tibia Mtns., Cleveland National Forest, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground at base of hills north of Wildhorse Peak. 537 Comment
  RSA498321  Lotus heermannii L. E. Hoffman 1932-11-26 17137 Riverside Pinon Flats, San Jacinto Mts. Comment
  RSA586334  Lotus heermannii var. heermannii D. L. Banks, S. D. Boyd 1995-5-3 0199 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR228851  Lotus humistratus A. C. Sanders 2011-4-26 39327 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  UCR52322  Lotus nevadensis var. nevadensis Kevin Neal 1988-5-28 14 Riverside San Jacinto Mtns, near Chalk Hill, c. 1.5 mi. south of Idyllwild on Hwy 74 Comment
  RSA249854  Lotus oblongifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38126 Riverside San Bernardino National Forest, San Jacinto Mts.: In James Reserve 1677 Comment
  RSA406419  Lotus oblongifolius var. oblongifolius N. C. Cooper 1944-7-16 1563 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  UCR92078  Lotus purshianus Scott D. White 1995-8-23 3587 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UC15501  Lotus purshianus var. purshianus H. M. Hall 1901-6 2387 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA517916  Lotus salsuginosus Steve Boyd, Thomas S. Elias, Erika Winter, Bob Boyd 1986-2-18 1334 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  SEINET2062419  Lotus salsuginosus B. Pitzer, L. LaPre 1987-3-2 434 Riverside Bundy Canyon, ca. 2.0 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd. off Raciti Rd. (Romoland 7.5' Quad 701 Comment
  JEPS65155  Lotus salsuginosus var. salsuginosus W. L. Jepson 1935-4-17 19152 Riverside 1 1/2 mi n of Elsinore 457 Comment
  RSA406823  Lotus salsuginosus var. salsuginosus M. B. Dunkle 1934-3-18 3862 Riverside Moreno 488 Comment
  RSA771701  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4697 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
  UC1929589  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  UCR102734  Lotus scoparius var. brevialatus B. G. Pitzer 1998-1-25 3426 Riverside Lakeview Mtns, Pulsar View Road, c. 0.5-0.75 mile uphill from the water tank at base of hills on Warren Road; c. 1 mile (airline) north of Juniper Flat Road 610 Comment
  UCR251672  Lotus strigosus var. tomentellus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 776 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
  POM172736  Lotus tomentellus M. French Gilman 1930-4-6 5 Riverside [Monsen] Canyon, Eagle Mts. Comment
  UCR138614  Ludwigia peploides subsp. peploides L. C. Wheeler 1961-6-24 s.n. Riverside San Jacinto Mountains, Fulmor Lake Comment
  CAS-BOT-BC428032  Lupinus L. Nye; G. Gust 2005-3-11 61 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  RSA0042691  Lupinus Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1704 Riverside Cabazon. Comment
  POM276399  Lupinus arizonicus Lyman Benson 1933-3-31 4165 Riverside US 66, 10 miles E of Palm Springs, San Jacinto Mt. Range, Colorado Desert Watershed. 244 Comment
  RSA161290  Lupinus arizonicus Peter H. Raven 1958-3-15 11841 Riverside Box Canyon. Comment
  RSA776936  Lupinus arizonicus Amber Swanson, Duncan S. Bell 2011-3-18 219 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  SEINET269547  Lupinus arizonicus John Wear 1995-3-22 Riverside Colorado Desert: Chuckwalla Bench upper Salt Creek wash west of Eagle Mountain (Kaiser) Railroad. 488 Comment
  UCR88117  Lupinus arizonicus A. C. Sanders, G. Nuhn 1995-4-20 16591 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  SEINET10489199  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7469 Riverside Box canyon wash, 11.4 (9 air miles) miles ene of mecca. T6s,r10e,sec.35. Frequent on gravel bar in wash. Petals pink-purple, banner with yellow center Which turns maroon with age 244 Comment
  POM276328  Lupinus bicolor subsp. marginatus Lyman Benson 1932-3-26 3161 Riverside 3 miles N [of] Temecula. 457 Comment
  UCR202000  Lupinus concinnus 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
  UCR33822  Lupinus concinnus Robert McKernan 1980-4-10 s.n. Riverside San Bernardino Mtns., Banning Canyon, 6.2 mi. north of San Gorgonio Road, on the dirt road through the canyon 1372 Comment
  UCR51927  Lupinus concinnus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2117 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  POM12098  Lupinus concinnus subsp. optatus Mary F. Spencer 1921-6-3 1637 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  POM159827  Lupinus concinnus subsp. optatus E. C. Jaeger s.n. Riverside Santa Rosa Indian Reservation Comment
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Nov 6 2011
  RSA314672  Lupinus concinnus subsp. orcuttii Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55497 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA633872  Lupinus excubitus var. austromontanus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38129 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA89545  Lupinus excubitus var. austromontanus E. K. Balls, Percy C. Everett 1953-7-1 18345 Riverside 1.5 miles West and North of Idyllwild on road to Banning. 1616 Comment
  JOTR33934  Lupinus excubitus var. excubitus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2824 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
  RSA430284  Lupinus formosus David B. Dunn, LeDoux, Kenney 1973-6-15 20760 Riverside 4 miles NW of Jct of Hwy 74 and 71 on Hwy 74. 1402 Comment
  UC1542843  Lupinus formosus D. B. Dunn, Conrad and Kenney 1973-6-15 20769 Riverside gas station on the sw corner at the Jct of Hwy 74 and 71 1432 Comment
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May 24 2012
  POM26888  Lupinus formosus var. formosus Marcus E. Jones 1903-5-11 11610 Riverside Banning. 701 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
  UCR230769  Lupinus hirsutissimus A. C. Sanders 2010-4-7 37822 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
  RSA678417  Lupinus sparsiflorus Michael Wall 2003-4-6 256 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 Comment
  UC1178511  Lupinus sparsiflorus Peter Kamb 1948-4-11 904 Riverside Whitewater wash near Whitewater (Coachella Valley); Coachella Valley 457 Comment
  UCR213497  Lupinus sparsiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38411 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 502 Comment
  UCSB3404  Lupinus sparsiflorus Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
  RSA414279  Lupinus sparsiflorus subsp. sparsiflorus P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA525690  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4561 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA528095  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White 1991-4-10 91 -62 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road 518 Comment
  RSA617298  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1934-3-18 1476 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  CLARK-A1528-2851  Lupinus truncatus John C. Roos 1947-3-15 3326 Riverside Valle Vista Comment
  RSA590648  Lupinus truncatus E. W. Lathrop 1965-5-9 5745 Riverside 6 miles W of Murrieta. Comment
  RSA771625  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4999 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 732 Comment
  SEINET2062685  Lupinus truncatus Ed LaRue 1989-3-30 Riverside Rancho California area, ca 4 mi W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UCR225213  Lupinus truncatus T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5165 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
  RSA249830  Luzula comosa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38075 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  UC218100  Lycium andersonii P. A. Munz, D. Keck 1922-4-9 4811 Riverside s base Eagle Mtns.; Colorado Desert 182 Comment
  UCR8306  Lycium andersonii N. R. Zabriskie 1969-4-27 207 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon near Palm Springs 366 Comment
  UCR155940  Lycium barbarum 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
  UCR89528  Lycium cooperi Bern Schwenn 1994-4-9 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument: Little San Bernardino Mtns, 'Hidden Gold' Canyon in 1st canyon downstream of fork with the Hidden Gold Mine 1116 Comment
  RSA0055014  Lycium cooperi James R. Shevock 1971-5-8 1045 Riverside Near Skull Cap. Joshua Tree National Monument. 1371 Comment
  RSA2056  Lycium torreyi Carl B. Wolf 1931-3-13 1880 Riverside Colorado Desert, between Ripley and Blythe, 152 Comment
  SD262311  Lythrum californicum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617 22 Riverside Temescal Valley: Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. (Alberhill 7.5'Q) 363 Comment
  UCR194217  Lythrum californicum Scott D. White, Angelia Carey 2004-6-4 10459 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR222294  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55215 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  SD227848  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22799 Riverside Skinner/Domenigoni area; French Valley, E side of Wawhington Ave., 1/2 mile S of Rawson Rd. (Winchester 7.5'Q). 438 Comment
  RSA519259  Malacothamnus densiflorus var. densiflorus Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  CAS-BOT-BC206261  Malacothamnus fasciculatus Elmer I. Applegate 1893-4-23 55 Riverside East Riverside hills. Comment
  CAS-BOT-BC345284  Malacothrix californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  RSA586843  Malacothrix clevelandii D. L. Banks, Peter Morrell 1995-5-4 0310 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, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 732 Comment
  UCR281210  Malacothrix clevelandii Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 32 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  OBI37418  Malacothrix glabrata M. rosczyk & G. Helmkamp, G. Helmkamp 1985-4-4 254 Riverside Big Morongo Preserve, S of Morongo Valley; W edge of the main cyn just below the BLM gate 533 Comment
  UCR116621  Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside Western Colorado Desert, Coachella Valley, Garnet, along transmission line route east of Garnet Wash 232 Comment
  UCR272432  Malacothrix glabrata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 022 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, just west of Mission Creek, 0.8 mile northwest of the Stone House 811 Comment
  UCR42810  Malacothrix glabrata A. C. Sanders, B. Parfitt, R. Anthony 1986-4-19 6457 B Riverside Peninsular Range, Temescal Wash just below Lee Lake [Corona Lake], 5 mi NW of Alberhill 366 Comment
  UCD39259  Malosma laurina Beecher Crampton 1963-5-7 6786 Riverside Western, 2 miles west of El Cariso Guard Station, Santa Ana Mountains, Cleveland National Forest. 701 Comment
  CDA4990  Malva neglecta Scott D. White 1998-6-28 6800 Riverside Coastal Plains and Basins; San Bernadino Basin region; Corona: River Road bridge over the Santa Ana River. Comment
  POM293100  Malva sylvestris Lyman Benson 1946-4-15 12016 Riverside 6 miles SE of Redlands 610 Comment
  RSA19893  Malvella leprosa Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37573 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  UCR89825  Malvella leprosa 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
  UCR102750  Marah macrocarpa B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3564 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  CAS-BOT-BC193265  Marina parryi Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2131 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 91 Comment
  CAS-BOT-BC216179  Marina parryi Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  CHSC99605  Marina parryi LeRoy Gross 2005-3-3 1601 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  JEPS41718  Marina parryi M. Clary 1931-4-4 4 Riverside wash of Santa Rosas Coachella Valley, Devils Canyon Comment
Read comments
Nov 6 2011
  RSA643196  Marina parryi James C. Dice, K. Nicol 1998-3-24 980324 1 B Riverside 9 miles (14.4km) N of Desert Center, along State Highway 177. 163 Comment
  UCSB59680  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  RSA0126838  Matricaria discoidea R. E. Riefner Jr. 2017-4-2 17 -140 Riverside City of Hemet, along California Ave. near Stowe Rd. 468 Comment
  RSA736384  Matricaria globifera Scott D. White, Justin M. Wood 2008-5-1 11925 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  RSA715693  Matricaria occidentalis A. C. Sanders 2003-5-9 26580 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA759271  Meconella denticulata Robt. Allen, L Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  RSA751625  Melia azedarach G. Gust, L. Nye 2005-3-11 537 Riverside Lake Elsinore City Limits. At intersection of Ellis St. and Franklin St. in an overgrown disturbed site. 400 Comment
  UCD66805  Melica frutescens F. M. Reed 1926-5-15 5338 Riverside Riverside and vicinity, S of Menifee. Comment
  CAS-BOT-BC281597  Melica imperfecta Peter H. Raven 1958-5-5 12879 Riverside Jumbo Rocks Campground, Joshua Tree National Monument Comment
  UCD88010  Melica imperfecta Fred M. Reed 1906-3-17 925 Riverside Riverside and vicinity south fork of Tequesquite Arroyo opposite ore ranch. Comment
  UCR2555  Melica imperfecta M. F. Barrus 1920-1-27 213 Riverside Box Springs Mtns, Riverside, Sycamore Canyon 396 Comment
  RSA659352  Melilotus albus M. Duke, Christy Hightower, C. McElroy 1982-5-15 3 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  RSA586323  Melilotus indicus D. L. Banks, S. D. Boyd 1995-5-3 0188 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA0114706  Melinis repens subsp. repens A. C. Sanders, Glen Morrison 2016-8-4 42614 Riverside Peninsular Range; Santa Ana Mountains: Santa Rosa Plateau, along Corona Cala Camino near intersection with El Cerezo Rd., south side of Redonda Mesa. 732 Comment
  POM299267  Menodora scoparia A. M. Alexander, Louise Kellogg 1941-5-21 2208 Riverside Colorado Desert: bed of canyon near its mouth, north slope of Eagle Mountains. 1159 Comment
  RSA787206  Mentzelia J. D. Olmsted 1959-4-18 418 Riverside At base of Santa Ana Mts. Drainage area to Santa Ana River. 2 mi N of Elsinore on Hwy 71 on east side of road. 351 Comment
  RSA618411  Mentzelia dispersa D. L. Banks 1997-5-5 1965 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
  JOTR31931  Mentzelia involucrata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2170 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  RSA440412  Mentzelia involucrata May N. Ackley 1928-3-10 s.n. Riverside Bridge Haven, Comment
  RSA771947  Mentzelia involucrata Robert F. Thorne, C. W. Tilforth 1973-5-30 43583 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  SEINET186303  Mentzelia involucrata Philip A. Munz 1940-3-24 15694 Riverside 3 miles southof Cottonwood Springs, Eagle Mts., 457 Comment
  UCR216680  Mentzelia involucrata Jim Andre, T. La Doux 2009-3-10 11241 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
  RSA342562  Mentzelia involucrata var. megalantha Robert F. Thorne, C. W. Tilforth 1980-5-28 54193 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA282917  Mentzelia montana C. W. Tilforth 1980-6-17 2011 Riverside Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74. 1662 Comment
Read comments
Dec 19 2008
  SD178085  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 377 Comment
  POM13713  Microseris douglasii subsp. douglasii P. A. Munz 1922-4-30 5123 Riverside Lakeview, alkali mud flat along San Jacinto River Comment
  RSA792923  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2011-4-1 38936 Riverside Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR112009A  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2000-5-25 23410 A Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR189587  Microseris douglasii subsp. platycarpha Diane Menuz 2006-5-23 102 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  CHSC26267  Mimetanthe pilosa Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  RSA0036465  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  UC64207  Mimulus aurantiacus var. pubescens H. M. Hall Mar. 1898 Riverside Riverside Comment
  UC943878  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 B Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UCR116705  Mimulus aurantiacus var. pubescens Dan Hare 2001-6-14 s.n. Riverside San Jacinto Mtns., Hwy 74, 3.5-4 miles west of Mountain Center 1098 Comment
  RSA517928  Mimulus aurantiacus var. puniceus Steve Boyd 1986-3-1 1362 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  UC75299  Mimulus aurantiacus var. puniceus C. F. Baker 1904-4-4 4152 Riverside Elsinore Comment
  UCR235220  Mimulus aurantiacus var. puniceus A. C. Sanders, John F. Green 2012-6-1 40239 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  RSA23215  Mimulus bigelovii var. bigelovii Ernest Braunton 1940-01 2007 Riverside 15 miles E of Indio. Comment
  CSUSB886  Mimulus brevipes John Milbauer 1976-5-12 Riverside Pigeon Pass Road. Comment
  UC1012086  Mimulus brevipes F. W. Pennell and A. L. Grant 1940-4-28 25275 Riverside 7-8 mi e Hemet (Route 74) 548 Comment
  UCR179207  Mimulus brevipes Mitch Provance, Tracy Tennant 1998-6-16 MOR- 383 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UCR281481  Mimulus brevipes Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 79 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  UCR35247  Mimulus brevipes L. B. Ziegler 1967-8-1 197 Riverside Peninsular Range; San Jacinto Mtns., Upper Herkey Creek area 1524 Comment
  POM10946  Mimulus diffusus P. A. Munz 1922-4-30 5135 Riverside Hills south of Tuscaluta Creek from Aguanga to Hemet Comment
  JEPS8218  Mimulus fremontii var. fremontii W. L. Jepson and H. M. Hall 1901-5-19 1293 Riverside San Jacinto Canyon 640 Comment
  JOTR31050  Mimulus guttatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  JOTR32396  Mimulus guttatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2498 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  UCR131832  Mimulus guttatus Jennie Phui 1998-5-30 034 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  JEPS9853  Mimulus pilosus Carl V. Meyer 1928-7-26 525 Riverside Hannah's Sawmill San Jacinto Mountains (1/2 mi e of Dutch Flat) Comment
  UCR258747  Mirabilis laevis T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7905 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  CAS-BOT-BC434676  Mirabilis laevis var. crassifolia A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37468 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
  CAS-BOT-BC434688  Mirabilis laevis var. crassifolia Mitch Provance 1998-5-4 1712 Riverside Jurupa Mountains: SW Rattlesnake Mt., above the Ormand Quarry, ca. 1.5 km W of peak 1739. 366 Comment
  UC75793  Mirabilis laevis var. crassifolia Miss M. A. King 1893-1 Riverside Menifee Comment
  OBI40178  Mirabilis laevis var. retrorsa N. Miles Fellows 1985-3-16 114 Riverside Oasis de Los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mts, 1 mi W of Snow Crk Village 488 Comment
  POM14769  Mirabilis laevis var. retrorsa Alice Eastwood 1913-4-30 3107 Riverside Palm Springs. Comment
  JEPS26448  Mohavea confertiflora Peter H. Raven 1958-1-23 11432 Riverside Fargo Canyon Comment
  UCR35351  Mollugo cerviana L. B. Ziegler 1974-7-28 534 Riverside San Jacinto Valley, garden of "Gleason Plantation" 473 Comment
  RSA0010772  Mollugo verticillata Justin M. Wood, Brandy Wood 2009-7-4 1042 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UC729900  Monardella australis subsp. australis Carl B. Wolf 1932-8-5 3964 Riverside on trail from Tahquitz Valley to San Jacinto Peak (100 yds. beyond first real wet meadow on trail, head of fork of creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  SD137725  Monardella breweri subsp. lanceolata Darin L. Banks 1995-6-15 704 Riverside Agua Tibia Mountains; Devils Hole area, northnortheast of the Crosley Homestead. 730 Comment
  LA62737  Monardella linoides subsp. linoides Carl Epling; 1942-8-6 sn Riverside 2.5 E of Thomas Mt. Tavern, Pines to Palms Hwy Comment
  SD232269  Monardella linoides subsp. linoides Scott D. White, Justin M. Wood 2008-7-10 12457 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  SD241076  Monardella linoides subsp. linoides Mark A. Elvin 2004-6-2 3497 Riverside Peninsular Range; San Jacinto Mountains: Garner Valley, east of Hwy 74 between Fobes Ranch Road and Morris Ranch Road at base of foothills (Anza/Idyllwild 7.5'Q) 1387 Comment
  SEINET10582420  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 58 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  CLARK-A1528-578  Monardella nana subsp. tenuiflora Dieter H. Wilken, Gary D. Wallace 1966-7-3 1025 Riverside San Jacinto Mountains 1676 Comment
  IRVC2060  Monardella nana subsp. tenuiflora R. H. Whittaker, W. A. Niering 1963-6-8 SJ 304 Riverside Marion Mountain Trail. Peninsular Ranges, San Jacinto Mountains 2424 Comment
  RSA750300  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 113 Riverside San Jacinto Mts. On slope south of Strawberry Creek, and west of the saw mill at Domengonio Flats. Comment
  UC1499811  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 116 Riverside w Domengonio Flats (on slope s of Strawberry Creek); San Jacinto Mts. Comment
  UCR221464  Monardella nana subsp. tenuiflora Elizabeth McClintock, Harlan Lewis 1941-6-22 074 Riverside Peninsular Range; San Jacinto Mtns., 1.5 miles from the snow gate, on road to Black Mtn. 2043 Comment
  CAS-BOT-BC248286  Monardella robisonii A. C. Sanders; Mark Elvin; Jane Rodgers 2001-8-17 24612 Riverside Mojave Desert, Little San Bernardino Mtns: Split Rock, Joshua Tree National Park, north of Ruby VABM 4351 on west side of road 1296 Comment
  SEINET945637  Monardella robisonii K. Stolte 1979-1 Riverside Joshua Tree National Monument. Zoo Rock. A small mound of rock on the south side of Monument Route 2, 3.8 miles NW of the entrance to Lost Horse Ranger Station. Collected on the western aspect of Zoo Rock. Comment
  UCR123190  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24615 Riverside Mojave Desert, Little San Bernardino Mtns, near Hidden Valley Campground at 'Echo T,' Joshua Tree National Park 1311 Comment
  UCR125896  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24614 Riverside Mojave Desert, Little San Bernardino Mtns, Jumbo Rocks Campground, Joshua Tree National Park 1341 Comment
  CAS-BOT-BC349703  Monoptilon bellidiforme C. L. Hitchcock 1940-3-31 5880 Riverside Cottonwood Springs, 1/2 mi. below Spring Comment
  POM305598  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1937-3-2 884 Riverside Betw Desert Center and Indio Comment
  POM363577  Monoptilon bellioides M. B. Dunkle 1933-3-4 3067 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA776335  Monoptilon bellioides Duncan S. Bell, Amanda Turek 2010-4-10 820 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR60767  Monoptilon bellioides Steve Boyd, O. Mistretta 1986-3-13 1461 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  CAS-BOT-BC349792  Monoptilon bellioides Carl B. Wolf 1932-4-27 3061 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  RSA543620  Montia fontana Steve Boyd 1991-5-7 6155 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR106351  Muhlenbergia asperifolia John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  POM14366  Muhlenbergia microsperma P. A. Munz, D. Keck 1922-4-9 4749 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  SEINET244828 Image available Muhlenbergia microsperma Scott D. White 1999-5-19 7368 Riverside Lake Skinner Area 549 Comment
  JOTR31798  Muhlenbergia rigens La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2100 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  POM12954  Muilla maritima Philip A. Munz, I. M. Johnston 1922-5-21 5535 Riverside Hemet Valley, San Jacinto Mountains 1418 Comment
  RSA543872  Myosurus minimus subsp. apus Steve Boyd, Dave Bramlet 1991-5-13 6227 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  SDSU3619  Myriopteris parryi A. H. Gallup 1949-3-28 361 Riverside San Jacinto Mt. Ranche. In rocky ledges-Palms to Pines Hywy above Desert Center. Drainage area is the Colorado Desert. 762 Comment
  RSA421100  Nama demissa M. B. Dunkle 1935-3-30 4418 Riverside Pinto Basin, Colorado Desert. 915 Comment
  UCSB5301  Nama demissa Beeks, Richard 1952-4-4 Riverside 2.15 miles W. of junction of U.S. 60, U.S. 40, and U.S. 195 Comment
  GMDRC5513  Nama hispida var. spathulata J. Andre 2012-3-19 21340 Riverside Chuckwalla Valley: along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of Jct with I-10 freeway 157 Comment
  RSA648067  Nama hispida var. spathulata J. C. Roos 1949-4-9 4203 Riverside 3 mi. N.E. of Desert Center. Comment
  RSA615323  Nassella lepida Scott D. White 1997-5-25 5226 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing. 793 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
  UCR181629  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  RSA450147  Navarretia hamata J. C. Roos 1965-6-30 s.n. Riverside ortega Highway, Santa Ana Mtns. Comment
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May 21 2011
  CLARK-A1528-709  Navarretia intertexta Ruth Cooper 1941-6-8 71 K Riverside Comment
  GMDRC5807  Nemacaulis denudata var. gracilis J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains;: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of 'Grommet' RR xing at Hwy 62 363 Comment
  UC472774  Nemacaulis denudata var. gracilis P. C. Standley 1920-4-6 1376 Riverside in vupibus pr. Palm Springs; Colorado Desert 121 Comment
  CLARK-A1528-2369  Nemacladus glanduliferus John C. Roos 1966-3-26 Riverside Chuckwalla Mountains Comment
  SEINET10461230  Nemacladus glanduliferus var. glanduliferus Munz 1952-5-2 MUNZ 16239 Riverside Dry Morongo Wash, northwest end of Coachella Valley 457 Comment
  RSA0126322  Nemacladus longiflorus var. longiflorus H. Baer 1923-5-20 d.n. Riverside Lee Lake, Temescal. Comment
  RSA618161  Nemacladus ramosissimus D. L. Banks 1997-5-5 2024 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
  RSA659780  Nemacladus ramosissimus J. C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  UCD120217  Nemophila menziesii Geoffrey Levin 1975-4-26 491 Riverside Mayhew Canyon 1.5 mi. southeast of Glen Ivy on Highway 71. 335 Comment
  UCD120224  Nemophila menziesii R. N. Raynor 1933-4-2 s.n. Riverside Box Springs Hills. Comment
  UCR214009  Nemophila menziesii Scott D. White, Angelia Carey 2004-4-5 9987 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR16823  Nemophila menziesii var. integrifolia S. Nelson 1974-5-2 2 Riverside San Bernardino Mtns., Banning Canyon 1524 Comment
  CSUSB122  Nemophila menziesii var. menziesii Kenneth Hibberd 1966-2-20 Riverside Arlington Ave., 1 mile east of Victoria Street, 100 yards south of road. City of Riverside. 304 Comment
  UCR50430  Nemophila pedunculata 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
  UCR251977  Nicotiana attenuata A. C. Sanders, T. B. Salvato 2014-7-2 41178 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA192313  Nicotiana bigelovii var. wallacei H. A. Zuill 1966-7-1 272 Riverside Main Divide Truck Trail in the moutains south of Elsinore Lake. Comment
  UCR2914  Nicotiana glauca Nancy Atha 1963-3-24 32463- 8 Riverside Upper Santa Ana River/San Bernardino Valley region, Riverside, NW side of [Quarry Hill] at the corner of Madison St. and Victoria Ave 335 Comment
  UCR245989  Nicotiana obtusifolia Duncan S. Bell 2012-9-13 4186 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UCR99793  Nolina bigelovii A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer 1996-11-9 19645 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., near 'Bob's Cabin', 5 mi. (air) south of Hayfield Pump Sta., east of Maniobra Valley, central section of arroyo (N of peak 2552 to Bench Mark 1899) 610 Comment
  RSA161218  Nolina parryi Peter H. Raven 1959-5-18 14246 Riverside 0.9 mile south of Mountain Center on road to Aguanga, San Jacinto Mountains. Comment
  SEINET3412079 Image available Nolina parryi Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28524 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  RSA336195  Notholaena californica subsp. californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52017 Riverside Chino Canyon Comment
  POM355283  Oenothera californica D. A. Young 1969-3-28 P- 330 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  LA206158  Oenothera deltoides Charles Bogert; 1932-4-17 4001 Riverside Indian Wells Comment
  SBBG61310  Oenothera deltoides M. N. Ackley 1928-4-1 763 Riverside Indio Comment
  JOTR35386  Oenothera deltoides subsp. deltoides Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 174 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  RSA786949  Oenothera hookeri subsp. grisea Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49548 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UC1186515  Oenothera primiveris subsp. primiveris E. G. Linsley and J. W. MacSwain 1960-3-2 60 -3 Riverside Hopkins Well Comment
  RSA785414  Oenothera scapoidea Keith E. Hoffmaster 1935-3-31 568 Riverside Palm Springs Comment
  CAS-BOT-BC427462  Oligomeris linifolia Carl B. Wolf 1932-4-28 3072 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. west of Blythe on the Mecca Road. 121 Comment
  UC634677  Oligomeris linifolia H. L. Mason 1928-3-10 4179 Riverside in alkaline spots along Whitewater River; along Whitewater River Comment
  CLARK-A1528-513  Olneya tesota C. W. Tilforth 1967-6-5 120 Riverside Blythe Comment
  RSA698037  Olneya tesota J. R. Bruff 1928-12-29 403 Riverside Lone Cottonwood Ranch 2 mi. SE of Dos Palms. Comment
  SD148227  Oncosiphon piluliferum A. C. Sanders, Mirch Provance and T. B. Salvato 2001-5-8 24210 Riverside Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mile south of Van Buren Blvd. 465 Comment
  POM294970  Opuntia echinocarpa David Griffiths 1908-08 s.n. Riverside Banning. Comment
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Mar 21 2011
  RSA353376  Opuntia munzii A. C. Sanders 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd., 5.2 miles W of Graham Pass Rd., S side of the Chuckwalla Mountains. 640 Comment
  SEINET3085689  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17370 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km southwest of Idyllwild. 1445 Comment
  RSA357375  Orcuttia californica Christopher Davidson 1977-5-25 5650 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  JEPS11678  Orobanche californica subsp. feudgei W. L. Jepson and H. M. Hall May 17, 1901-June 1, 1901 1458 Riverside Van Deventer's Ranch. Comment
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May 1 2016
  UCD123190  Orobanche cooperi Steve Boyd; Orlando Mistretta 1986-3-13 1427 Riverside Palen Mountains: Northeast of Desert Center, jtn of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 243 Comment
  SBBG68724  Orobanche parishii subsp. parishii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  RSA359869  Orthocarpus purpurascens Steve D. Boyd 1986-4-2 1612 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  POM12423A  Osmorhiza berteroi P. A. Munz 1922-9-6 6371 Riverside Round Valley, San Jacinto Mountains. 2713 Comment
  RSA796510  Osmorhiza brachypoda R. F. Thorne, E. W. Lathrop 1977-5-18 49720 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SDSU17529  Oxalis pes-caprae Jerry Jenkins 2001-4-2 2001 -044 Riverside Santa Margarita Ecological Reserve. Stream in side canyon west of S.M. River, UTM zone 6, 481900E, 3700200N. UTM transfered to GIS. 162 Comment
  UC218234  Oxyria digyna P. A. Munz 1922-9-7 6406 Riverside shelter of rocks on n side summit of San Jacinto (summit of San Jacinto); San Jacinto Mts., summit of San Jacinto 3276 Comment
  CLARK-A1528-753  Oxytheca emarginata C. M. Flanagan 1973-5-12 OO 402 Riverside Deep Canyon 1097 Comment
  RSA0106480  Oxytheca trilobata Duncan S. Bell, Valentin Arvizu 2010-5-24 1103 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  RSA392815A  Oxytheca trilobata F. W. Peirson 1929-7-29 5020 Riverside Banning to Idyllwild Road 1768 Comment
  RSA495437  Paeonia californica Steve Boyd 1989-3-12 2964 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  CAS-BOT-BC327889  Palafoxia arida L. A. Greata 1905-4-1 391 Riverside Coachella Comment
  CAS-BOT-BC327908  Palafoxia arida Carl B. Wolf 1932-4-26 2969 Riverside Colorado Desert. 3 mi E of Mecca on the Blythe Road 0 Comment
  CAS-BOT-BC327923  Palafoxia arida N. Aitkenhead 1977-2-1 2209 Riverside Sand dunes 0.5 mi E of Dillon Rd-T/L Junction Comment
  RSA653713  Palafoxia arida Scott D. White 2000-3-23 7634 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  SEINET10799055  Palafoxia arida Lewis S. Rose 1936-1-1 Rose 36003 Riverside Colorado Desert, L.A. Aqueduct Road, 15 mi. N of Indio. 305 Comment
  POM6877  Palafoxia arida var. arida P. A. Munz, L. T. Street, Williams 1919-3-26 2338 Riverside Oasis Date Ranch near Mecca Comment
  RSA27576  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside 12 miles east of Indio. Comment
  UCR237603  Palafoxia arida var. arida Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4542 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  POM366029  Panicum urvilleanum Martha Hilend 1928-3-11 105 Riverside About 6 miles SE of Garnet Station Comment
  UCR279565  Parietaria hespera A. C. Sanders, Jim Malusa 2017-3-29 43172 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
  UCR20760  Parietaria hespera var. californica A. C. Sanders, Steve Boyd 1980-5-2 1440 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA716382  Parietaria hespera var. hespera Scott D. White 2006-4-27 11303 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR100302  Parietaria hespera var. hespera B. G. Pitzer 1997-4-20 3192 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  RSA0027382  Parkinsonia florida Kristin Forgrave, Sarah J. De Groot 2013-6-4 14 Riverside On Graham Pass Rd 10 mi from Chuckwalla Valley Rd 362 Comment
  SD6071  Parkinsonia florida unknown Mar 1914 Riverside Palm Springs 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-A1528-4941  Pectis papposa John C. Roos 1946-9-14 3004 Riverside Asbestos Mountain 1005 Comment
  RSA793609  Pectis papposa Duncan S. Bell, Aaron C. Sedgwick 2012-9-13 4204 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal,, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  UCR59714  Pectis papposa A. C. Sanders 1989-9-19 9507 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  CAS-BOT-BC355870  Pectis papposa var. papposa K. Bonner 1977-10-29 2578 Riverside 1.5 mi. W. of Chiriaco Summit Comment
  UCR90758  Pectocarya anisocarpa Scott D. White 1995-4-5 2740 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR174049  Pectocarya linearis A. C. Sanders 2006-5-19 32421 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
  UCR256745  Pectocarya linearis T. B. Salvato, Matthew Malle 2013-4-11 7534 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  RSA524224  Pectocarya linearis subsp. ferocula Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4018 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  HSC93337  Pectocarya penicillata Scott White 1996-4-14 3921 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  POM368785  Pectocarya penicillata E. Crow 1929-4-21 336 Riverside North of Alberhill Comment
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Sep 29 2011
  UCR112111  Pectocarya peninsularis A. C. Sanders, T. B. Salvato 2000-4-21 23342 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  UCR139716  Pectocarya platycarpa B. G. Pitzer 1989-4-16 1306 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  SEINET10456238  Pectocarya platycarpa David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3723 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA401955A  Pedicularis densiflora Christopher Davidson 1973-4-1 1809 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  POM262931  Pediomelum californicum Unspecified 1941-5-10 125 Riverside Pinon flats Camp, Santa Rosa Mts. 1220 Comment
  UCR243177  Pelargonium capitatum Steve Morgan 2013-4-26 s.n. Riverside Peninsular Range, Riverside; UCR Campus, weed in the botanical garden 396 Comment
  HSC35459  Pellaea andromedifolia J. D. Ackerman, A. M. Montalvo 1975-6-26 527 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground, Cleveland Nat'l Forest 610 Comment
  UC669244  Pellaea andromedifolia Annie M. Alexander and Louise Kellogg 1941-2-28 1879 Riverside Andreas Canyon; San Jacinto Mts Comment
  RSA686924  Pellaea mucronata Norman C. Cooper 1944-3-25 1031 Riverside Cabazon 457 Comment
  SBBG32334  Pellaea mucronata L. S. Rose 1966-12-14 66108 Riverside Chino Cyn, 3 mi W of Palm Springs Desert 670 Comment
  UCR163398  Pellaea mucronata O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA12931  Pellaea mucronata var. mucronata E. R. Johnson 1935-4-7 6321 Riverside N side of Cajalco Valley, Gavilan region 457 Comment
  RSA495413  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2948 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA736557  Pennisetum setaceum Scott D. White, Angelia Carey 2004-7-2 10576 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UC54993  Penstemon X parishii H. M. Hall 1897-5-19 567 Riverside canyon of the San Jacinto River San Jacinto Mountains, canyon of San Jacinto River (Southern California) 914 Comment
  UCR20544  Penstemon centranthifolius W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCSB16963  Penstemon centranthifolius Feldmann, P. 1963-5-4 Riverside 5 mi. along road from Banning; on road from Banning to Idyllwild 1371 Comment
  CAS-BOT-BC265283  Penstemon clevelandii subsp. connatus Ivan Johnston 1917-4-4 1043 Riverside Andreas Canyon, Colorado Desert 274 Comment
  CAS-BOT-BC265292  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-29 15154 Riverside Deep Canyon, Santa Rosa Mountains 1066 Comment
  JEPS7907  Penstemon clevelandii var. connatus Rimo Bacigalupi with L. R. Heckard 1953-5-5 4074 Riverside w slopes of Deep Canyon btw Santa Rosa Mts and San Jacinto Mts, Coachella Valley (along Palms-to-Pines Highway (Calif 74) above Seven Level Hill, mts w side Coachel1a Valley, 1/2-way btw Santa Rosa and San Jacinto Mts) Comment
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Dec 23 2011
  NY601159  Penstemon grinnellii N. H. Holmgren 1969-6-18 3586 Riverside San Jacinto Mountains, San Jacinto Wilderness, along trail above Humber Park, about 3 airline miles northeast of Idyllwild. Comment
  UC887103  Penstemon labrosus Edmund C. Jaeger 1921-7-8 Riverside Idylwild , Idylwild (San Jacinto Mts.) 1584 Comment
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Nov 5 2011
  POM4262  Penstemon spectabilis H. M. Hall 1902-04 2923 Riverside Vicinity of Riverside 366 Comment
  RSA401807  Penstemon spectabilis N. C. Cooper 1944-5-6 1219 Riverside Banning. 610 Comment
  UCD124329  Penstemon spectabilis K. M. Meyer; A. Townesmith, T. Scott 2007-3-18 134 Riverside San Bernardino National Forest, 1 mile up Little Thomas Mountain Road. (Forest Road 6S13) just south of Lake Hemet from Rt. 74. 1467 Comment
  UC54992  Penstemon spectabilis var. spectabilis H. M. Hall June, 1901 2069 Riverside vicinity Chalk Hill (Southern California); San Jacinto Mountains, vicinity of Chalk Hill 1402 Comment
  RSA773473  Pentachaeta aurea Duncan S. Bell, Colleen Wheeler 2010-7-19 1630 A Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  LA3453  Pentagramma triangularis subsp. viscosa Norman C. Cooper; 1944-4-8 1085 Riverside Andreas Canyon. 457 Comment
  CAS-BOT-BC77497  Peritoma arborea var. angustata S. B. Parish 1916-5-13 10871 Riverside Cottonwood Spr., Colorado Desert Comment
  CAS-BOT-BC177607  Perityle emoryi Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4596 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  RSA599948  Perityle emoryi L. C. Wheeler 1959-12-27 7650 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  CAS-BOT-BC167757  Petalonyx thurberi K. Bonner 1977-10-28 2569 Riverside 2 mi. West of Red Cloud Road Comment
  RSA557345  Petunia parviflora Julie Greene 1993-5-12 1306 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  CAS-BOT-BC326735  Peucephyllum schottii E. A. McGregor 1917-3-17 709 Riverside Granite Ridge west of Fig Tree John's Comment
  JOTR35082  Peucephyllum schottii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3533 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  RSA0126546  Peucephyllum schottii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8760 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Martinez Slide to the north of Toro Canyon, approximately 4.75 air miles northeast of the summit of Martinez Mountain. 152 Comment
  SD262206  Peucephyllum schottii A. C. Sanders, Jim Malusa 2017-1-14 42656 Riverside Sonoran (Colorado) Desert: Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas (Frink NW 7.5'Q) 118 Comment
  RSA480098  Phacelia ambigua Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, Tim Ross, D. Nordin 1988-3-10 2187 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR232514  Phacelia ambigua var. ambigua Dave Silverman 2010-3-30 7889 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 183 Comment
  RSA74791  Phacelia campanularia F. W. Peirson 1917-4-1 4123 Riverside Palm Springs Comment
  UCR123753  Phacelia campanularia subsp. campanularia Steven R. Hill 2001-4-29 33529 A Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR180136  Phacelia cicutaria var. hispida Mitch Provance 2003-4-26 9886 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  SD148138  Phacelia ciliata A. C. Sanders, Sue Nash, Tom Paulek, et al. 2002-4-7 24902 Riverside Perris-Aguanga Basin region: San Jacinto Wildlife Area, west side of Davis Road, just north of the old San Jacinto River channel. 434 Comment
  UC1426600  Phacelia crenulata var. ambigua Noel H. Holmgren and Patricia K. Holmgren 1973-3-21 6429 Riverside 12 airline mi n downtown Blythe; Big Maria Mountains 289 Comment
  UCR243510  Phacelia cryptantha Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21086 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  CAS-BOT-BC133962  Phacelia distans John H. Thomas 1957-3-30 6568 Riverside Joshua Tree National Monument. About 3 miles southeast of White Tank near the road to Cholla Cactus Garden. About 20 miles northeast of Indio. 883 Comment
  CSUSB132  Phacelia distans Karen Cook 1966-5-16 Riverside Santa Ana River bottom, east of Van Buren Ave. in city of Riverside. 182 Comment
  JOTR34035  Phacelia distans La Doux, Tasha, M. Harding 2010-4-7 2919 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA601108  Phacelia distans A. C. Sanders 1996-5-1 18097 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  RSA716193  Phacelia distans Scott D. White, Angelia Carey 2004-4-5 10016 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET3158182  Phacelia ivesiana E. E. Schellenger 1905-3-12 sn Riverside Paloverde Valley Comment
  JEPS1184  Phacelia minor Dr. L. M. Newlon 1922-4-4 444 Riverside Andreas Canyon San Jacinto Mts. Comment
  JEPS86532  Phacelia minor Roy E. Buck 1988-4-1 869 Riverside 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 Cyn and Johnson Cyn drainages, 7 air km w of Lake Elsinore); Elsinore Mountains 780 Comment
  RSA428085  Phacelia minor Ora M. Clark 1929-4-6 1935 Riverside E. Riverside Comment
  RSA528066  Phacelia minor Scott D. White 1991-4-10 91 -56 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
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Feb 28 2015
  CLARK-A1045-872  Phacelia pachyphylla George K. Helmkamp 1978-6-1 #3 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA428273B  Phacelia rotundifolia E. C. Jaeger 1922-3-25 752 Riverside Murray Canon, near Palm Springs. 305 Comment
  RSA776295  Phacelia rotundifolia Duncan S. Bell, Amanda Turek 2010-4-10 829 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
  POM7721  Phacelia tanacetifolia P. A. Munz, R. D. Harwood 1920-3-20 3372 Riverside 5 miles S of Corona 305 Comment
  UCR251303  Phalaris minor T. B. Salvato, Matthew Malle 2014-4-8 7828 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  CLARK-A1528-4799  Phalaris paradoxa John C. Roos 1952-5-21 5702 Riverside San Jacinto River 426 Comment
  SD119889  Phlox austromontana Louis B. Ziegler 1967-5-30 136 Riverside Hemet Valley, San Jacinto Mountains 1372 Comment
  UCR135813  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UC1930199  Pholistoma racemosum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10491 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
  UCSB18191  Phoradendron bolleanum Copeland, Jerry 1964-5-10 Riverside 30 feet northwest of Pinyon Flats Campground, 9 miles south of intersection of State Highways 71 and 74 Comment
  CAS-BOT-BC135106  Phoradendron californicum R. F. Hoover 1966-10-15 10165 Riverside Dead Indian Canyon Comment
  RSA420776  Phoradendron californicum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC68680  Phoradendron californicum H. M. Hall May, 1905 6014 Riverside Colorado Desert, Cottonwood Springs 670 Comment
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Oct 9 2010
  UCR114127  Phoradendron californicum B. G. Pitzer, J. Ross 1998-3-8 3602 Riverside Sonoran (Colorado) Desert, S-facing fan on north side of Hayfield Lake, along road to pumping plant. 427 Comment
  UCR139944  Phoradendron californicum L. C. Wheeler 1964-10-17 8641 Riverside Sonoran Desert, North side of Orocopia Mountains, south of Hayfield Reservoir 457 Comment
  CHSC83641  Phoradendron densum John Dittes 2002-1-5 2 -48 Riverside Mojave Desert; ca. 11 air-miles south-southwest of Twentynine Palms, ca. 0.8 mile northwest of Hidden Valley Campground, ca. 1 mile east of Lost Horse Ranger Station, base of ridge west of Loop Road. 1286 Comment
  CAS-BOT-BC135178  Phoradendron juniperinum Louis C. Wheeler 1931-10-3 243 Riverside 1 1/2 mi NW Tahquitz Peak, San Jacinto Mts. 1920 Comment
  UC1078933  Phoradendron macrophyllum Job Kuijt 1958-3-14 1498 Riverside Strawberry Creek, Hwy. 74 914 Comment
  CAS-BOT-BC171148  Phoradendron serotinum subsp. tomentosum A. C. Sanders; S. D. Boyd; Mitch Provance; J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi NW of Hwy 371 junction to Anza 1441 Comment
  UCR125767  Phoradendron villosum A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25655 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  UCR50420  Phoradendron villosum L. F. LaPre, S. J. Myers 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  RSA26277  Physalis crassifolia Reid Moran 1941-5-5 857 Riverside Cottonwood Pass, Eagle Mtns. Comment
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Nov 22 2011
  RSA423815  Physalis crassifolia M. B. Dunkle 1933-3-4 3065 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA444461  Physalis crassifolia Roos 1965-6-23 s.n. Riverside Lost Palms Wash. Comment
  SEINET3077619 Image available Physalis crassifolia C. Francis Shutts 1949-3-18 44 Riverside Box Canyon on old Mecca-Blythe Hwy. Orocopia Mountains. Salton Sink. 183 Comment
  UCR245901  Physalis crassifolia R. F. Thorne 1995-3-29 63005 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR256722  Physalis crassifolia Duncan S. Bell 2011-12-30 3042 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  SEINET10964652  Physalis crassifolia David B. Dunn 1946-2-22 Dunn 1955 Riverside Collected in mud flats dry caked and split. All american canal catch basin from Desert washes. Oracopia mts. Ne of the saltan sea. Very arid country. Comment
  CAS-BOT-BC60792  Physaria tenella C. L. Hitchcock 1940-3-31 5881 Riverside Cottonwood Springs, 0.5 mile below Spring. Comment
  UC1129859  Pickeringia montana var. montana R. St. John 1931-2-27 189 Riverside Sitton Peak Elsinore Quadrangle 991 Comment
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Nov 27 2011
  RSA370844  Picris echioides R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61274 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  POM12205  Pilularia americana P. A. Munz 1922-4-29 5087 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCD136790  Pilularia americana Robert F. Thorne; E. Lathrop, et al. 1969-5-19 37966 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 624 Comment
  UC175  Pinus contorta subsp. murrayana H. M. Hall 1901-6-1 2321 Riverside near Tahquitz; San Jacinto Mountains 2590 Comment
  RSA748226  Pinus coulteri T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 133 Riverside San Bernardino National Forest. 14.5 mile S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  UCR131461  Pinus coulteri June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
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Mar 29 2014
  RSA0094892  Pinus halepensis A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41732 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 395 Comment
  SD232554  Pinus jeffreyi A. C. Sanders 1995-11-25 17924 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak Rd., 0.7 mi. W of Bonny Ln., sec. Protected from fire by rock. 1310 Comment
  CDA18000  Pinus monophylla L. D. Merrill 1999-8-27 s.n. Riverside Cactus Springs Trailhead, Santa Rosa Mtns. 0 Comment
  SBBG56389  Pinus murrayana R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns 2438 Comment
  CAS-BOT-BC79096  Pinus quadrifolia H. M. Hall 1901-6-1 2139 Riverside Santa Rosa Mountains, Coyote Canyon 1524 Comment
  UCR270756  Piptatherum miliaceum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8369 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR89880  Pityrogramma triangularis Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3337 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR153486  Plagiobothrys acanthocarpus Steve Boyd, Ian G. Gillespie 2000-4-15 10301 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Gavilan Hills region: S flank of Alberhill Mtn, just east of the heavily mined area 463 Comment
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Mar 24 2007
  UCR112003  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2000-5-25 23422 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA680493  Plagiobothrys collinus var. fulvescens Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9598 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR266816  Plagiobothrys undulatus Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 09 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR281238  Plantago erecta Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 52 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  RSA381087  Plantago major Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61174 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR263504  Plantago ovata David Fraker, Aaron C. Sedgwick 2012-3-22 011 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
  RSA191734  Plantago ovata var. fastigiata Robert F. Thorne 1963-3-29 32381 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UC1931135  Plantago patagonica Scott D. White, Justin Wood 2008-6-17 12193 Riverside San Jacinto Mountains: Morris Ranch road - open area west of Goff Flat (Palm View Peak) Comment
  UCR103281  Plantago patagonica B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3589 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  POM48484  Platanus racemosa P. A. Munz, I. M. Johnston 1924-7-29 8889 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  JEPS29293  Platystemon californicus Rimo Bacigalupi and L. Heckard 1962-3-25 8388 Riverside about 5 mi se Corona (just n of Bedford Canyon); eastern base of Santa Ana Mountains, n of Bedford Canyon 304 Comment
  RSA356727  Platystemon californicus Robert F. Thorne, E. W. Lathrop 1975-5-25 45557 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA697726  Pleuraphis rigida J. Russell Bruff s.n. Riverside Palm Springs. Comment
  RSA780237  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 94 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  POM10453  Pleurocoronis pluriseta Charlotte M. Wilder 1907-04 s.n. Riverside Murray Canyon. Comment
  UC485542  Pleurocoronis pluriseta F. M. Reed 1917-5-19 3870 Riverside Palm Canyon Colorado Desert Comment
  POM31961  Pluchea odorata Patricia Wilder 1970-10-15 4811 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  RSA639702  Pluchea odorata Scott D. White 1998-12-2 7199 Riverside Temescal Canyon - Lake Elsinore area. 366 Comment
  RSA0031444  Pluchea sericea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4427 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
  RSA615394  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area, S foot of Bachelor Mtn, across the northern arm of the lake from the boat ramp. 457 Comment
  UCR120341  Pluchea sericea Mitch Provance 1998-7-23 907 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  SD156727  Poa bulbosa Unknown 1940-4-30 Riverside Temecula Comment
  UC1931208  Poa pratensis Scott D. White, Justin Wood 2008-6-19 12260 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UCD91843  Poa pratensis Alan A. Beetle 1946-6-20 4397 Riverside San Jacinto Mt., near Idlewilde. 1219 Comment
  RSA801939  Poa pratensis subsp. pratensis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6180 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  RSA770686  Poa secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4790 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA674526  Polygonum arenastrum Scott D. White 2000-11-15 8149 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  SBBG132548  Polygonum aviculare subsp. depressum S. D. White, J. M. Wood 2008-6-16 12139 Riverside meadow at Quinn Flat, San Jacinto Mtns 1378 Comment
  UCR278901  Polygonum hydropiperoides Mitch Provance 2012-11-10 17604 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  SD137999  Polypodium californicum Darin L. Banks, Steve Boyd 1995-2-16 50 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope AguaTibia Mtn., south of Dripping Springs Alcove, east of Woodchuck Trail Comment
  UCD91484  Polypogon viridis H. S. Yates 1936-8-29 6376 Riverside near Keen Canyon. 1615 Comment
  IRVC165  Polystichum imbricans subsp. curtum Don Pfirrmann 1965-4-24 HS 550 Riverside Highway 74; 1/4 mile SE of Sven Camp summit. Comment
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Mar 30 2014
  RSA543142  Populus fremontii Steve D. Boyd 1991-3-17 5500 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SD157479  Populus trichocarpa Bill Knerr 1998-7-1 Riverside Old Hwy 395, 9 miles south of junction with Hwy 76, east-facing road cut Comment
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Sep 7 2013
  RSA736580  Porophyllum gracile Keith E. Hoffmaster 1934-4-8 153 Riverside Santa Ana Mts. Comment
  UCR35307  Potamogeton crispus L. B. Ziegler 1974-7-9 530 Riverside Peninsular Range; San Jacinto Mtns., Hemet Lake 1335 Comment
  UC57356  Potentilla gracilis var. fastigiata H. M. Hall 1901-7-1 2356 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2499 Comment
  RSA86299  Potentilla rimicola F. W. Peirson 1924-7-27 5000 Riverside Pinnacle 0.5 miles west of Deer Spring 2439 Comment
  UCR108726  Prosopis glandulosa Scott D. White, Sandy Leatherman 1998-4-15 6284 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  RSA496123  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3000 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  CSUSB949  Prosopis juliflora Steven M. Chambers 1970-4-12 Riverside On rocky hillside near bottom station of the Palm Springs Aerial Tramway, Chino Canyon. 761 Comment
  JEPS44617  Prunus fasciculata W. L. Jepson 1928-4-25 12579 Riverside Colorado Desert, Cottonwood Mountains, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Mountains, Cottonwood Spring 731 Comment
  UC861038  Prunus fasciculata C. L. Hitchcock 1940-4-2 5916 Riverside Cottonwood Spring, Joshua Tree National Monument Cottonwood Spring; Joshua Tree National Monument, Cottonwood Spring Comment
  UC1128374  Prunus fremontii H. S. Yates 1937-3-24 6466 Riverside S of Pinyon Flat 975 Comment
  HSC85250  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR250576  Prunus ilicifolia A. C. Sanders 2014-4-25 41074 Riverside Peninsular Range, Temescal Canyon, Richland property near Horsethief Canyon Rd., SW of I-15 381 Comment
  OBI15568  Psathyrotes ramosissima Robert F. Hoover 1966-10-15 10159 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  POM308524  Psathyrotes ramosissima Henry J. Ramsey, Ramsey 1939-11-28 3171 Riverside 15 miles east of Indio Comment
  UCR13826B  Psathyrotes ramosissima O. F. Clarke 1976-3-6 s.n. Riverside Colorado Desert, Coachella Valley, Living Desert Reserve, Palm Desert 122 Comment
  UCR34952  Psathyrotes ramosissima L. B. Ziegler 1976-9-20 554 Riverside Sonoran (Colorado) Desert, N end around Desert Hot Springs. 381 Comment
  RSA160476  Pseudognaphalium biolettii J. D. Olmsted 1959-4-17 408 Riverside At edge of main knobcone pine grove on NE ridge of Sugarloaf Pk. along Main Divide T.T. ssw of Corona. 1159 Comment
  UCR113590  Pseudognaphalium biolettii A. C. Sanders 1998-1-15 21634 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  UCR280926  Pseudognaphalium biolettii Mitch Provance 2017-5-25 517- 63 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  SFV3941  Pseudognaphalium californicum P. G. Kilburn 1958-5-17 814 Riverside 3 miles south of Banning. 305 Comment
  LA6328  Pseudotsuga macrocarpa Carl Epling; April 1937 sn Riverside San Jacinto Mountains, Herky Creek Comment
  UCR178153  Pseudotsuga macrocarpa Tracy Tennant 1998-3-10 MOR- 1110 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  UCR228254  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2011-4-1 38932 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  CAS-BOT-BC361789  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1930-5-10 4775 Riverside March Field Comment
  RSA760353  Psilocarphus brevissimus var. brevissimus R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55213 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UC1523586  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 51970 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  SBBG87900  Psorothamnus arborescens R. F. Thorne, W. A. Tilforth 1980-5-28 54213 Riverside branch ravine running W from Whitewater Cyn, W of rd, ca. 3.2 mi N of Interstate 10 and Whitewater P.O. 609 Comment
  CAS-BOT-BC353582  Psorothamnus arborescens var. simplicifolius Roxana S. Ferris 1918-6-13 955 Riverside 2 miles east of Banning Comment
  JOTR35985  Psorothamnus emoryi Harding, Mitzi, Mark Wheeler 2012-9-4 196 Riverside Joshua Tree National Park. Pinto Basin; north end of sand ramps west of Pinto Mtn; fine sand ramps and dunes (stop 2) 516 Comment
  RSA748290  Psorothamnus emoryi Justin M. Wood 2009-3-26 418 Riverside Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  UC570208  Psorothamnus emoryi H. S. Yates 1936-4-7 5439 Riverside two mi s Willis Palms (Coachella Valley); , s of Willis Palms 243 Comment
  UCR245747  Psorothamnus emoryi Duncan S. Bell 2009-4-18 211 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  JOTR01071  Psorothamnus polydenius Cole, James E. 1941-5-22 769 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  CAS-BOT-BC340899  Psorothamnus schottii Lester Rowntree 1930-5-5 s.n. Riverside Hidden Springs, near Mecca Comment
  CAS-BOT-BC340922  Psorothamnus schottii Ira L. Wiggins 1938-3-25 8929 Riverside Mouth of Eagle Canyon, few miles south of Palm Springs Comment
  SEINET3407645 Image available Psorothamnus schottii R. F. Turpin 1969-5-23 118 Riverside 5 mi. E of Dillon Rd. on Berdoo Canyon Rd. Little San Bernardino Mountains. 610 Comment
  UCD108370  Psorothamnus schottii G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  UCSB42194  Psorothamnus schottii Roos, John 1966-5-2 Riverside At the mouth of Pushawalla Canyon, Indio Mtns. Comment
  CAS-BOT-BC340954  Psorothamnus spinosus Marcus E. Jones 1926-6-8 s.n. Riverside Palm Spring Comment
  JOTR32400  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Cottonwood Canyon, between Cottonwood and Eagle Mountains; Along Cottonwood Spring Road; Large, active, sandy wash 741 Comment
  RSA295547  Psorothamnus spinosus Lyman D. Benson, Robert Benson 1952-4-8 14848 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  SBBG3321  Psorothamnus spinosus H. and M. Dearing 1942-1-17 4786 Riverside near Cathedral City Comment
  UC1197435  Psorothamnus spinosus Arthur E. Connick June, 1928 Riverside Palm Springs Comment
  SDSU13927  Pterostegia drymarioides Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2139 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UC1979542  Pterostegia drymarioides Darin L. Banks, Steve Boyd 1995-5-3 229 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR174368  Pterostegia drymarioides A. C. Sanders 2006-5-19 32404 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
  UCR241689  Pterostegia drymarioides T. B. Salvato 2013-3-22 7403 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
  UCR109458  Pulicaria paludosa A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19661 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  JEPS119494  Purshia tridentata Clark Cowan 1978-4-25 1259 Riverside San Bernardino National Forest. Pinon Flat Campground. Highway 74, 8.9 miles (14.2 km) E of junction Highway 74 and 371. Comment
  RSA0124025  Purshia tridentata Duncan S. Bell, Thomas Stoughton 2016-4-14 9300 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
  UCR266458  Quercus Mitch Provance 2009-9-10 17425 Riverside San Bernardino Mountains, Banning, beneath SCE lines about 290 m NW of the intersection of Bluff St. and Midas Canyon Rd 850 Comment
  UCR273966  Quercus Mitch Provance 2012-4-27 412- 34 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR158908  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31562 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR141960  Quercus berberidifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24970 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR162959  Quercus berberidifolia John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR182502  Quercus berberidifolia Andrea Salzman, Ricky Escobar, et al 2006-4-10 44 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  UCR26582  Quercus berberidifolia John LaSalle 1982-5-4 4 Riverside Peninsular Range, 2.4 mi west of Radec across the Hwy from Vail Lake turnoff from Hwy 79. Comment
  UCD73480  Quercus chrysolepis A. C. Sanders; T. Tennant 1997-11-14 21606 Riverside San Bernardino Mtns.: Morongo Indian Reservation, Hathaway Canyon drainage. 976 Comment
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Mar 30 2014
  CAS-BOT-BC45769  Quercus cornelius-mulleri B. Trowbridge 1979-4-17 6096 Riverside Hiden Valley, Joshua Tree National Monument 914 Comment
  JEPS37474  Quercus cornelius-mulleri W. L. Jepson May 17 1901-Jun 1 1901 1437 Riverside Coyote Canyon Comment
  RSA772411  Quercus cornelius-mulleri Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4854 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  UCR23939  Quercus cornelius-mulleri John C. Roos 1946-10-5 3114 Riverside San Bernardino Mtns., Dry Morongo Canyon 732 Comment
  SEINET13953305 Image available Quercus cornelius-mulleri J. C. Roos 1965-1 Riverside Pinyon Flats, Santa Rosa Mountains 1219 Comment
  SBBG119972  Quercus engelmannii A. C. Sanders with M. Misenhelter 2005-3-23 29264 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  SD262289  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617 01 Riverside Temescal Valley: Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  SD90464  Quercus engelmannii Robert F. Thorne, E. Lathrop 1969-6-6 39348 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  SDSU13622  Quercus engelmannii W. Miller with C. Mosse 1972-7-20 Riverside 75 yards past fork next to olive trees. Comment
  LA205331  Quercus john-tuckeri Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, Morongo Pass Comment
  SD229177  Quercus kelloggii Dick Schwenkmeyer 2012-6-27 761 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA660499  Quercus palmeri A. C. Sanders 1998-5-14 21848 Riverside Jurupa Mtns.: Rattlesnake Mtn. (hill 1452m), Crestmore, above watertank W of Cedar Ave., above intersection of Andalusia and Malaga Streets. 366 Comment
  RSA167  Quercus wislizeni var. frutescens J. T. Howell 1927-8-2 577 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  RSA520082  Quercus wislizeni var. frutescens Steve Boyd, D. Bramlet 1988-10-8 2868 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR104910  Rafinesquia californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20643 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR139024  Rafinesquia californica D. L. Banks 1997-4-5 1694 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  UCR213623  Rafinesquia californica A. C. Sanders, Matthew Malle 2010-4-23 37994 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  JEPS23077  Rafinesquia neomexicana Reino Alava with R. Bacigalupi, Dr. and Mrs. Rolla Tryon 1958-3-3 1832 Riverside 27 mi s Vidal (along U.S. Highway 95, in flood plain of the Colorado River, ne of the Big Maria Mts., e Riverside County); Colorado River 97 Comment
  RSA774899  Rafinesquia neomexicana Duncan S. Bell, Amber Swanson 2011-2-18 2028 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR86650  Rafinesquia neomexicana A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16265 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  PASA2620  Ranunculus aquatilis M. Stason 1931-5-24 Riverside Pond near Hurkey Creek Camp, Hemet Valley Comment
  UCR60658  Ranunculus aquatilis var. capillaceus R. F. Thorne 1973-5-23 43839 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA33888  Raphanus sativus N. C. Cooper 1944-4-22 1151 Riverside Banning. 762 Comment
  UCR96039  Rhamnus alaternus A. C. Sanders 1996-3-14 17972 Riverside Riverside: UCR Campus, east of Health Services along dry arroyo 335 Comment
  SBBG27372  Rhamnus ilicifolia P. C. Everett 1935-6-18 Riverside Coldwater Cyn Trail ca. 1.5 mi below (N) main divide motorway 1280 Comment
  UCR101449  Rhamnus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22226 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  UC1178623  Rhamnus tomentella subsp. cuspidata Peter Kamb 1948-7-4 1172 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  CAS-BOT-BC200732  Rhus aromatica A. C. Sanders; J. Goetzen 1996-5-1 18138 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 915 Comment
  CAS-BOT-BC167970  Rhus ovata C. L. Hitchcock; C. V. Muhlick 1964-3-17 23098 Riverside 3 miles s.e. of Glen Ivy Hot Springs Comment
  HSC101783  Rhus ovata J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13189 Riverside Along State Route 74 1227 Comment
  RSA650228  Rhus ovata Darrell Garrett 1949-2-6 s.n. Riverside White Water Canyon. 213 Comment
  UCR241208  Rhus ovata Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 04 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  JEPS66273  Rhus trilobata W. L. Jepson 1928-4-25 12571 a Riverside Cottonwood Spring; Colorado Desert 731 Comment
  RSA543125  Rhus trilobata Steve Boyd 1991-3-17 5473 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UC195328  Rhus trilobata S. B. Parish 1906-5-13 10839 Riverside Cottenwood Spring; Colorado Desert Comment
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Sep 4 2011
  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
  CAS-BOT-BC173131  Ribes indecorum A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  CAS-BOT-BC168946  Ribes malvaceum Steve Boyd 1981-3-13 186 Riverside Gavilan Hills region, western flank of Estelle Mountain in steep canyon at the border of NW 1/4 sec. 5 and NE 1/4 sec. 6 609 Comment
  RSA511348  Ribes malvaceum var. viridifolium B. Pitzer 1988-1 661 Riverside San Jacinto Mts, Hwy 74 below Mtn Center at a large turn out. 1220 Comment
  SD128273  Ribes nevadense R. Mitchel Beauchamp 1971-5-15 2422 Riverside San Jacinto Moutains Black Mountain Campground Comment
  SEINET238553 Image available Ribes nevadense George K. Helmkamp 1998-6-27 4126 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  UCSB2649  Ribes nevadense Keator, Glenn 1959-5-16 Riverside Collected about 11 miles northeast of Idyllwild; on Banning-Idyllwild highway; San Jacinto mountains Comment
  RSA33646  Ribes roezlii Robert L. Rutherford 1945-5-24 1662 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA651709  Ribes roezlii Diane M. Ramirez 1983-5-1 25 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  UC57361  Ribes roezlii H. M. Hall July, 1901 2259 Riverside Fuller's Mills Mountains San Jacinto Mountains 1645 Comment
  UC1126496  Romneya coulteri R. St. John 1930-4-13 112 Riverside Temescal Wash Corona Quadrangle 304 Comment
  UC50166  Romneya coulteri H. P. Chandler 1898-5-16 Riverside Corona Comment
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Jul 4 2010
  UCR1084  Rorippa nasturtium-aquaticum J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mtns., stream running into Hemet Lake 1326 Comment
  UCR42360  Rorippa nasturtium-aquaticum B. G. Pitzer 1986-4-26 0192 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  LA208271  Rosa californica Louis C. Wheeler; 1931-10-4 207 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  RSA720435  Rosa californica Naomi S. Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1698 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1616 Comment
  CAS-BOT-BC158733  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3906 Riverside Coldwater Canyon, Santa Ana Mts. Comment
  UC218245  Rumex acetosella P. A. Munz and I. M. Johnston 1922-5-19 5423 Riverside Keen Camp San Jacinto Mts. 1463 Comment
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Jan 1 2012
  POM204505  Rumex acetosella M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  SBBG123028  Rumex conglomeratus S. D. White, A. Carey 2004-6-4 10474 Riverside San Jacinto River wash and adjacent alluv benches, near Indian Crk confluence 503 Comment
  UCR271684  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  JEPS3048  Rumex salicifolius var. denticulatus Carl V. Meyer 1928-7-30 586 Riverside San Jacinto Mts., Saunder's Meadow Comment
  RSA586294  Rumex salicifolius var. denticulatus D. L. Banks, S. D. Boyd 1995-5-3 204 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  POM306692  Salazaria mexicana Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1690 Riverside Near Desert Center. Comment
  UCR85274  Salazaria mexicana Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  CAS-BOT-BC129740  Salix bonplandiana Marcus E. Jones 1927-4-21 5 M-11-26 Riverside The Pipes, near Morongo Valley Comment
  SBBG58870  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  UCR133114  Salix exigua 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
  RSA0010967  Salix exigua var. exigua I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon. 290 Comment
  UC498066  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n Elsinore (along small stream) 304 Comment
  CAS-BOT-BC108108  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  POM319097  Salix gooddingii Patricia Wilder 1971-9-29 5274 Riverside San Jacinto River drainage area. Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  UCR116411  Salix gooddingii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24177 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR159207  Salix laevigata A. C. Sanders, Kelly Volansky 2005-8-31 31563 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA552716  Salix lasiolepis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6685 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA601111  Salix lasiolepis A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18106 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  UCR132419  Salix lasiolepis A. C. Sanders 2004-2-6 27381 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  CAS-BOT-BC128376  Salix lasiolepis var. lasiolepis Peter H. Raven 1958-5-17 12965 Riverside Dark Canyon Camp Ground, San Jacinto Mountains Comment
  RSA71813  Saltugilia australis F. W. Peirson 1920-2-16 2296 Riverside Andreas Canyon, San Jacinto Mts. 274 Comment
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Oct 2 2011
  RSA0095111  Saltugilia australis Steve Boyd 1980-5-6 s.n. Riverside Motte Reserve. Rocky hills 2.5 mi NW of Perris. 518 Comment
  RSA587143  Saltugilia caruifolia D. L. Banks, S. D. Boyd 1995-6-2 0554 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail just N of the Riverside County boundary, W of the peak ''3790'' on the boundary of sections 32 & 33. 1042 Comment
  JOTR35514  Salvia apiana La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3201 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  UCD125434  Salvia apiana Richard Bates 1949-5-21 s.n. Riverside Pinon Flats area, Palms to Pines Highway, San Jacinto Mountains. Comment
  RSA784942  Salvia columbariae Duncan S. Bell 2012-2-12 3120 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR279404  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-25 43018 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCSB5781  Salvia columbariae Van Leeuwen, Henry 1957-4-13 Riverside about 2 miles south of junction of US 60 and California Hwy 195 Comment
  CLARK-A1528-3118  Salvia greatae John C. Roos 1949-3-19 4101 Riverside Orocopia Mountains Comment
  UCR18807  Salvia greatae John C. Roos, Lucille Roos 1949-4-6 4154 Riverside Sonoran (Colorado) Desert, [North] foot of the Chocolate Mountains, north of Pope. Salt Creek area 91 Comment
  JOTR30208  Salvia leucophylla Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  CAS-BOT-BC229986  Salvia mellifera Jennifer H. Jones 2006-6-6 384 Riverside Peninsular Ranges; Santa Ana Mtns.: Cleveland National Forest along CA Hwy 74; San Juan Loop Trail head 598 Comment
  UC883960  Salvia mellifera C. L. Hitchcock 1940-4-12 6047 Riverside 8 mi nw Elsinore 457 Comment
  SFV3229  Salvia vaseyi P. G. Kilburn 1958-5-16 802 Riverside San Jacinto Mountains 5 miles south of Palm Desert on Palms-Pines Highway (Highway 74). 915 Comment
  UCSB63394  Salvia vaseyi Sanders, A. 1995-4-27 Riverside Coachella Valley; foot of the Little San Bernardino Mtns; canyon E of Fan Hill; just outside Joshua Tree Nat. Park; T3S, R7E, S/2 sec. 27 550 Comment
  RSA483608  Sambucus mexicana D. Charlton 1988-5-21 1959 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1829 Comment
  UCR116779  Sambucus mexicana A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24168 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR169318A  Sambucus mexicana T. B. Salvato, John F. Green 2004-5-27 618 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  SEINET8565408  Samolus parviflorus H. M. Hall 1904-5-24 4955 Riverside Vicinity of Riverside, Spring Brook. 229 Comment
  RSA560376  Sanicula arguta Steve Boyd 1992-4-14 6806 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA612777  Sanicula arguta D. L. Banks, V. W. Steinmann 1997-3-13 1425 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
  UCR116848  Sanicula arguta A. C. Sanders, Steven R. Hill 2001-5-4 24144 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  RSA552728  Sanicula bipinnatifida Steve Boyd, Timothy S. Ross 1992-3-31 6770 Riverside Santa Ana Mountains, clay soil areas on Elsinore Peak. 1011 Comment
  RSA701119  Sanicula bipinnatifida Michael Wall 1996-7-1 170 Riverside Cherry Valley, along Beaumont/Oak Glen Rd along Little San Gorgonio Creek, 2.6 mi N of Cherry Vly Blvd, W side of road. Comment
  SEINET13945128 Image available Sanicula bipinnatifida A. C. Sanders, S. Hagopian 1981-1 2151 Riverside Hills on the south side of Pauba Valley, within 1 mile of the Hwy 71 bridge over the Temecula River. Elev 1200 ft 366 Comment
  RSA527854  Sanicula crassicaulis Scott D. White 1991-5-13 91 -79 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  RSA612809  Sanicula crassicaulis D. L. Banks 1997-3-1 1360 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  SEINET10636258  Sanicula crassicaulis Greg Gust, Leith Nye 2005-3-12 Gust 558 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  POM15028  Sarcodes sanguinea Mary F. Spencer 1922-6-26 1206 Riverside Idyllwild. San Jacinto Mts. 1707 Comment
  SBBG45008  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Pine Cove 1828 Comment
  SD63339  Sarcodes sanguinea Walter Birtsch 1957-6-29 958 Riverside Santa Rosa Mountains, Desert Slope of Toro Peak 2660 Comment
  UC310837  Sarcostemma cynanchoides subsp. hartwegii Philip A. Munz 1925-5-20 9845 Riverside Aguanga Valley Comment
  UCR57225  Satureja chandleri Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, NE of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue Comment
  POM1588  Saxifraga californica Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  RSA206496  Saxifraga californica E. W. Lathrop 1969-5-8 7020 Riverside Los Alamos Canyon 1/2 mile E of San Mateo Canyon, Cleveland National Forest, Trabuco district. 518 Comment
  SD234790  Scandix pecten-veneris G. K. Helmkamp, E. A. Helmkamp 2008-3-22 13236 Riverside Sierra Nevada Mountains Foothills: along Mokelumne Vista Road at the junction with CA-49, just west of Mokelumne Hill village (Mokelumne Hill 7.5'Q) 479 Comment
  RSA47452  Schedonorus arundinaceus J. C. Roos 1949-5-21 4317 Riverside Temecula. 304 Comment
  RSA574566  Schedonorus arundinaceus Steve Boyd 1985-7-23 1016 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  CAS-BOT-BC239934  Schismus arabicus Catherine A. Toschi 1963-4-10 63 :119 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  UCR260162  Schismus arabicus Duncan S. Bell 2012-3-4 3134 Riverside Sonoran (Colorado) Desert, Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice 217 Comment
  RSA600399  Schismus barbatus V. W. Steinmann 1996-4-13 828 Riverside Just east of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  SDSU18397  Schismus barbatus C. Matt Guilliams 2008-2-27 484 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
  UCD80951  Schismus barbatus Chuck Hughes 2009-3-23 64 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR174144  Schismus barbatus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32516 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR224465  Schismus barbatus A. C. Sanders, T. B. Salvato 2011-3-28 38813 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR91432  Schismus barbatus Scott D. White 1995-3-30 2643 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
  UCR41637  Schoenoplectus americanus A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6093 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  POM1387  Schoenoplectus californicus D. L. Crawford 1916-2-3 s.n. Riverside Santa Ana River (Prado Beach) Comment
  RSA659252  Schoenoplectus californicus M. Duke, Christy Hightower, C. McElroy 1982-5-15 2 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  CAS-BOT-BC111017  Scirpus microcarpus I. Johnston 1916-4-21 12 Riverside Between Upland & Cucamonga (Red Hill) Comment
  OBI74594  Scrophularia californica David J. Keil 1983-4-15 16903 Riverside E of Temecula on SR79 Comment
  RSA740828  Scrophularia californica Scott D. White, Justin M. Wood 2008-7-8 12387 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  RSA740624  Scutellaria siphocampyloides Scott D. White, Justin M. Wood 2008-7-8 12378 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  SEINET7048001  Selaginella asprella Steven R. Hill, Kate Kramer and family 2001-4-26 33465 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  CAS-BOT-BC69804  Selaginella bigelovii Milo S. Baker 1928-4-3 2787 b Riverside Palm Canyon. Comment
  IRVC3583  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-6-6 SJ 183 Riverside Bee Canyon; San Jacinto Ridge Road. San Jacinto Mountains 701 Comment
  RSA413254  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 736 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. 323 Comment
  RSA683700  Selaginella bigelovii Tena Shultz Clare 1931-01 14611 Riverside Colorado Desert, S of Banning. Comment
  CAS-BOT-BC62082  Selaginella eremophila S. B. Parish 1882-1-1 s.n. Riverside San Jacinto Mt., Palm Springs Comment
  RSA543735  Senecio californicus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6070 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
  CAS-BOT-BC323970  Senecio flaccidus var. douglasii Annie M. Alexander; Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains. 883 Comment
  RSA596159  Senecio flaccidus var. douglasii D. L. Banks 1996-11-7 1219 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 60 m E of its intersection with Pechanga Creek. 396 Comment
  UC1605395  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside San Mateo Canyon at confluence with Bluewater Canyon (benches in canyon bottom); Southern Santa Ana Mountains, Cleveland N.F. 329 Comment
  RSA0025284  Senecio mohavensis J. Andre 2013-3-4 23874 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  UCR279341  Senecio mohavensis A. C. Sanders, Jim Malusa 2017-3-23 42945 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 823 Comment
  RSA220388  Senna armata C. W. Tilforth, John Dourley 1921-4-14 343 Riverside Pinto Basin, Joshua Tree National Monument. Comment
  UC863359  Senna armata Carl B. Wolf 1932-10-12 4292 Riverside junction of rds. to Gold Coin Mine and Pinyon Well; Colorado Desert, Little San Bernardino Mts. 1066 Comment
  UC217851  Senna covesii P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4862 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 518 Comment
  UCR54042  Sesbania herbacea A. C. Sanders 1988-11-6 8736 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  UCR280990  Sesuvium verrucosum Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517- 55 Riverside Elsinore Trough, Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the the San Jacinto River 387 Comment
  POM313134  Setaria adhaerens Malcolm A. Nobs, S. Galen Smith 1948-9-3 492 Riverside Citrus grove, 2 miles N of Indio. Comment
  RSA605766  Setaria adhaerens A. C. Sanders 1995-5-23 17121 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. Comment
  RSA0001999  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6783 Riverside Santa Ana Mts., Elsinore Peak area south of Lake Elsinore, on Onion Hill, a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. 1012 Comment
  RSA559453  Sidalcea malviflora Steve Boyd, T. S. Ross 1992-5-5 7215 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA666999  Sidalcea malviflora A. C. Sanders, Steven R. Hill 2001-5-4 24143 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, Carancho Rd. at stream crossing (nameless tributary to De Luz Creek) just west of Camaron Rd., east of Calle Calmar. 396 Comment
  RSA734205  Sidalcea malviflora subsp. sparsifolia Keith E. Hoffmaster 1937-6-6 787 Riverside San Jacinto mountains, near Hemet Lake Comment
  RSA433921  Sidalcea malviflora subsp. sparsifolia W. P. Burger 1979-4-27 57 Riverside Off Caranchos Rd., just W of where creek crosses road. Hidden Valley. 366 Comment
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Jan 11 2016
  SEINET4176379  Sidotheca emarginata J. L. Reveal, B. J. Ertter 1976-6-30 4570 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4.6 miles south of California Highway 74 1829 Comment
  RSA708076  Silene gallica Scott D. White, Angelia Carey 2004-4-16 10188 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  CSUSB702  Silene laciniata subsp. major P. A. Rauch 1966-4-29 Riverside Temecula Canyon (dirt road paralleling canyon on south side, north end) 228 Comment
  RSA784846  Silene parishii J. D. Olmsted 1959-7-1 720 Riverside San Jacinto Mountains. 200 feet higher than Strawberry Cienega trail, 1/4 mile west of turnoff from San Jack trail; ENE of Idyllwild. 1128 Comment
  UC8483  Silene parishii H. M. Hall May 17 1901-Jun 1 1901 Riverside near summit Santa Rosa Peak; near summit Santa Rosa Peak Comment
  RSA65036  Silene parishii var. viscida F. W. Peirson 1924-7-27 5001 Riverside Pinnacle, 0.5 miles west of Deer Springs, Comment
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Nov 17 2011
  CAS-BOT-BC202955  Simmondsia chinensis Peter H. Raven 1958-2-15 11582 Riverside Chuckwalla Mountains, in wash below Corn Springs Comment
  POM177871  Simmondsia chinensis Marcus E. Jones 1930-3-15 26525 Riverside Eagle Mountains. Comment
  RSA23645  Simmondsia chinensis Percy C. Everett 1939-7-7 9524 Riverside 3 mi. N of Temmecula-Aguaga Rd. on road to Hemet. 762 Comment
  UCD101792