Search Results — 2000 specimen records retrieved (1898 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229354  Abronia villosa L. A. Greata 1905-4-1 390 Riverside Coachella Comment
  CAS-BOT-BC229355  Abronia villosa F. O. Ballou 1926-2-25 s.n. Riverside Indian Wells Comment
  RSA652382  Abronia villosa R. Garner 1974-7-1 s.n. Riverside San Jacinto Mts. Comment
  SD225030  Abronia villosa A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16018 Riverside Coachella Valley: Indio, just SW of the Shtewater River Channel at Auto Center Dr. (Hwy 111). -7 Comment
  RSA0048313  Abronia villosa A. N. Dunn, A. M. Martin 1932-3-16 s.n. Riverside Coachella. Comment
  JEPS100433  Abronia villosa var. aurita Dean W. Taylor 2003-5-6 18514 Riverside wash of the San Gorgonio River ca. 1 mile South of the intersection of Highway 111 with Interstate 10 365 Comment
  UCR256328  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3183 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  RSA0051636  Abronia villosa var. aurita Bruce Haines 1962-5-6 186 Riverside 38 mi. S. of Palm Desert on California Highway 74. 1371 Comment
  UCR35205  Abronia villosa var. pinetorum L. B. Ziegler 1966-8-25 80 Riverside San Jacinto Mtns., Hemet (Thomas/Garner) Valley 1402 Comment
  RSA782338  Abronia villosa var. villosa Jim Andre, G. L. Clifton 2011-2-22 17467 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  RSA122305  Acacia greggii var. arizonica Marcus E. Jones 1926-6-8 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC30910  Acamptopappus sphaerocephalus Howard Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  UCR177854  Acamptopappus sphaerocephalus Marisa Sripracha, K. A. Boyd 2004-3-21 048 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR41842  Acamptopappus sphaerocephalus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 06044 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  RSA416159  Acamptopappus sphaerocephalus var. sphaerocephalus N. C. Cooper 1948-5-13 2845 Riverside Banning. 701 Comment
  SEINET1956958 Image available Acamptopappus sphaerocephalus var. sphaerocephalus A. J. Breitung 1953-6-12 15554 Riverside Santa Rosa Mts. Hwy. 74, San Bernardino National Forest Riverside Co., California Comment
  RSA603073  Acer macrophyllum Joseph A. Ewan 1933-3-19 10900 Riverside Tin Mine Canyon, Santa Ana Mountains. Comment
  RSA34578  Achillea millefolium Robert L. Rutherford 1944-7-2 1490 Riverside Palomar Mtn. 1066 Comment
Read comments
Jun 15 2013
  UCR133022  Achillea millefolium 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
  UCSB26800  Achillea millefolium Wilken, Dieter 1969-6-30 Riverside California State Highway 74, 0.5 miles west of Keen Camp Summit, San Jacinto Mtns. Comment
  RSA559321  Achnatherum coronatum Steve Boyd, Timothy S. Ross, Dave Bramlet 1992-5-13 7366 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
  CAS-BOT-BC260437  Achnatherum hymenoides Geo. B. Grant 1906-4-20 6782 Riverside Palm Springs Comment
  CAS-BOT-BC384722  Achyronychia cooperi S. B. Parish 1896-4-1 4139 Riverside Palm Springs, Colorado Desert Comment
  POM14011  Achyronychia cooperi P. A. Munz, D. D. Keck 1922-4-13 4937 Riverside Desert Center; Chuckwalla Valley Comment
  UCSB23492  Achyronychia cooperi Keefe, Joseph 1967-1-2 Riverside Campground; Salton Beach Park; northeast end of Salton Sea; southeast of Mecca -36 Comment
  SD255718  Acmispon glaber var. brevialatus Mitch Provance 2012-5-24 512 12 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  UCD104280  Acmispon rigidus R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway between Hemet and Idyllwild. Comment
  UCR136259  Acourtia microcephala A. C. Sanders 2004-6-20 28227 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  SD90105  Adenophyllum porophylloides Nancy Ryan Zabriskie, Walter Zabriskie 1972-12-30 554 Riverside Callaway Canyon, east slope San Jacinto Mountains. Comment
  CDA22503  Adenostoma fasciculatum Mike Lahti 2008-7-16 PDR# 1473243 Riverside Hemet, 41801 East Benton Rd. 0 Comment
  SD146171  Adenostoma fasciculatum Andy C. Sanders, S. D. Boyd, M. Provance 1999-9-14 23074 Riverside San Bernardino Valley; Colton Dunes, dune remnant on Slover Ave. between Pepper Ave and the tank farm, ca. 1 mile due W of Slover mtn. 320 Comment
  UCR158348  Adenostoma fasciculatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30088 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR174126  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32634 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA450099  Adenostoma sparsifolium J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  RSA453180  Adenostoma sparsifolium E. C. Jaeger 1923-6-6 s.n. Riverside East-slope San Jacinto Mountains 1585 Comment
  RSA0125179  Adiantum capillus-veneris Duncan S. Bell 2016-10-27 10208 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  UCR92229  Adiantum jordanii D. L. Banks, Steve Boyd 1995-5-9 419 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCR130810  Aesculus californica Dave Goodward 1999-4-17 s.n. Riverside Box Springs Mountains, Pigeon Pass area, SE of small riparian/springs area SE of the end of Center St. (but off Reche Canyon Rd.), just above the NW corner of the landfill, 2300 ft. due west of hill 1519 445 Comment
Read comments
Mar 28 2014
  SEINET5641187  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  RSA262078  Agoseris retrorsa E. W. Lathrop 1968-5-22 6923 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR44418  Agoseris retrorsa A. C. Sanders 1986-6-1 06562 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  SEINET5335835  Agropyron trachycaulum var. trachycaulum H. M. Hall 2174 Riverside Thomas Valley. 1372 Comment
  RSA5903  Agrostis idahoensis C. B. Wolf 1932-8-5 3963 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  RSA515335  Agrostis pallens Jeri Hirshberg 1989-3-20 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, S of Mesa de Burro and Nor of Mesa de la Punta., (Near 33 deg 31'N, 117 deg 13'W). 610 Comment
  UCR90275  Agrostis pallens Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3335 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
  RSA740791  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12419 Riverside Johnson Meadow 1415 Comment
  RSA129200  Agrostis stolonifera H. S. Yates 1936-8-29 6374 Riverside Idlewild [Idyllwild]. 1677 Comment
  RSA708928  Ailanthus altissima Scott D. White, Justin M. Wood 2005-10-4 11239 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UCR71881  Alchemilla arvensis Joe Di Bernardo 1992-4-6 92- 01 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert, condominium complex at Mountain Shadows Golf Course Comment
  RSA703745  Allionia incarnata LeRoy Gross 2005-3-3 1563 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR237637  Allionia incarnata Duncan S. Bell 2010-3-20 636 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine, c. 2 air mi northeast of Riverside Mountain Peak 215 Comment
  UC3085  Allium fimbriatum var. fimbriatum H. M. Hall 1899-5-23 1156 Riverside Van de Venter's El Toro Desert Region, Van de Venter's 1402 Comment
  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
  SBBG133862  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 Riverside S side of Alberhill Mtn in vicinity of Durant Siding and Terra Cotta, near Nichols Rd and extension toward Lake St 390 Comment
  RSA639651  Allium lacunosum var. davisiae Robert F. Thorne 1973-5-23 43857 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  POM230635  Allium munzii I. W. Clokey, B. C. Templeton, C. B. Clokey 1930-4-15 4621 Riverside Gavilan Peak. 600 Comment
  UCR22139  Allium munzii Steve Boyd 1980-5-17 289 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  CSUSB418  Allium peninsulare Kathy Shaffer 1957-5-18 Riverside One mile off Highway 74 at foot of Bautista Canyon. Comment
  RSA162777  Allium peninsulare J. D. Olmsted 1959-4-30 512 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona. Irvine Res. Drainage Area. 793 Comment
  RSA770553  Allium praecox S. Mashayekhi, M. Biabani 2008-4-6 SM 009 Riverside South of Harford Spring Co. Park, south of Idaleona Rd., north of hill in canyon. 606 Comment
  UCR44452  Allophyllum divaricatum A. C. Sanders, B. Pitzer 1986-4-30 6486 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  UCR193520  Allophyllum gilioides A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35563 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  RSA543894  Allophyllum glutinosum Steve Boyd 1991-5-20 6275 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  SEINET3224408  Allophyllum glutinosum G. Goodwin 2012-6-15 3462 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR17688  Alternanthera caracasana O. F. Clarke 1965-10-12 s.n. Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street 306 Comment
  CLARK-A1528-1056  Alternanthera repens Oscar F. Clarke 1964-6-20 525 Riverside Riverside Comment
  UCR1496  Althaea rosea Annette Price 1962-4-12 24 Riverside Box Springs Mountains, King's Drive-In on 8th Street, at the edge of Riverside, c. 1 block from the UCR campus 305 Comment
  POM14623  Amaranthus albus H. Baer 1922-9-10 s.n. Riverside Lee Lake, Temescal canyon Comment
  UCR174323  Amaranthus albus A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23172 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR23200  Amaranthus albus S. Gallager 1981-6-1 26 Riverside Riverside, Intersection of Serpentine Rd. & Palmyrita Ave, SE corner, Box Springs Mtns area 306 Comment
  SEINET3080605 Image available Amaranthus blitoides Ed LaRue 1989-4-21 Riverside Moreno Valley, Univ. of CA agricultural experimental farms, ca. 1/2 mi S. of Alessandro Blvd. near corner of Cactus Ave. & Nason St. Comment
  UCR111748  Amaranthus blitoides G. S. Nuessly 1980-10-19 s.n. Riverside Moreno Valley, U.C. Riverside, Moreno Field Station, east of Lasselle St. 457 Comment
  SD146065  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23109 Riverside San Jacinto Valley; Mystic Lake, 1.4 miles southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Springs. 433 Comment
  CAS-BOT-BC540846  Amaranthus fimbriatus Sarah J. De Groot; Duncan S. Bell 2015-9-21 7579 Riverside Santa Rosa Mountains SSW of Palm Desert. Hillside along Dunn Rd, between Asbestos Mountain and Haystack Mountain, ENE of Potrero Spring 1220 Comment
  SD251167  Amaranthus palmeri Duncan S. Bell, John Anderson, et al. 2013-9-28 6020 Riverside Chuckwalla Valley; ca. 22.25 air miles west of Blythe, south side of Ford Dry Lake, ca. 0.5 air mile southeast of Hopkins Well. 106 Comment
  RSA0078222  Amaranthus watsonii Sarah J. De Groot, Amy Rouillard 2015-9-15 7560 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA608587  Ambrosia R. S. Woglum 1935-04 623 Riverside Palm Springs. Comment
Read comments
Aug 27 2011
  UC896700  Ambrosia acanthicarpa Lewis S. Rose 1935-12-21 35679 Riverside Cabazon; Colorado Desert 609 Comment
  CAS-BOT-BC22592  Ambrosia dumosa P. A. Munz; L. Street 1919-5-7 2733 Riverside Palm Springs 198 Comment
  POM38893  Ambrosia dumosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  UCSB6546  Ambrosia dumosa Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy 99; western edge of the Colorado Desert Comment
  CAS-BOT-BC30793  Ambrosia ilicifolia J. C. Roos 1958-3-15 s.n. Riverside 2 1/2 miles S.E. of Desert Center, in the Chuckwalla Mtns. Comment
  UCR194219  Ambrosia psilostachya Scott D. White, Angelia Carey 2004-6-4 10478 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR100498  Ambrosia pumila D. E. Bramlet 1997-7-18 2575 Riverside Elsinore Valley, Nichols Road Wetlands Area, c. 7.5 m NW of Nichols Road and 91 m west of Alberhill Creek; c. 366 m SW of the I-15 Fwy. Comment
  UCR261172  Ambrosia pumila A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41724 Riverside Elsinore Trough, north of Elsinore along a dirt road west of Baker St., behind house on hill at 17401 Baker St. 388 Comment
  RSA778007  Ambrosia salsola J. Andre 2011-2-9 15934 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA789750  Ambrosia salsola David Fraker, Aaron Sedgwick 2012-5-9 96 Riverside Along the Bradshaw Trail, south of the Orocopia Mtns ~4 mi. southwest of the Orocopia Mtns. Wilderness Area. ~3/4 mi. west of the Coyote Rd. intersection. 231 Comment
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May 1 2016
  SEINET2052892 Image available Ambrosia salsola Bruce A. Beebe 1970-5-9 33 Riverside Cabazon area, 0.6 mile N. on S. Cal. Edison road no. V13 from turn-off with Apache Trail Road. 609 Comment
  UC898009  Ambrosia salsola I. W. Clokey 1935-4-17 Riverside Cottonwood Springs Comment
  SEINET10797875  Ambrosia salsola David B. Dunn 1947-3-16 Dunn 2920 Riverside Found 1/2 mile west of Cabayon in Banning Pass. Comment
  UC898003  Ambrosia salsola var. pentalepis N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  JEPS23574  Ambrosia salsola var. salsola Peter H. Raven 1958-2-15 11577 Riverside Corn Springs Chuckwalla Mountains, Corn Springs Comment
  POM48865  Amelanchier pallida Philip A. Munz, I. M. Johnston 1924-7-26 8701 Riverside small ravine, north of Dark Canyon 1524 Comment
  CAS-BOT-BC180626  Amorpha californica var. californica Steve Boyd; Tim Ross 1992-5-15 7403 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero 670 Comment
  RSA787989  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 571 Riverside Cleveland National Forest. Roadside. Comment
  SD229148  Amorpha californica var. californica Dick Schwenkmeyer 2012-8-7 784 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  SEINET7073310  Amsinckia eastwoodiae A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  RSA524463  Amsinckia intermedia Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4066 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
  UCR183173  Amsinckia intermedia Mitch Provance 2003-5-5 4414 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA0089617  Amsinckia intermedia J. Olmstead 1962-5-2 3449 Riverside Sandy flat by saddle just N of Box Springs Mountains, by road from Pigeon Pass. 777 Comment
  HSC94251  Amsinckia menziesii D. Atwood 1993-3-26 17686 Riverside 6 mi. NE of San Juan Capistrana along Hwy. 74 Comment
Read comments
Jun 3 2012
  RSA0089920  Amsinckia menziesii Duncan S. Bell 2010-4-1 671 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  UCR37711  Amsinckia menziesii A. C. Sanders 1985-3-18 5404 Riverside Riverside; UCR campus. Field between Lothian Dorm and Watkins Drive 335 Comment
  RSA594767  Amsinckia menziesii var. menziesii D. L. Banks, Dylan Hannon 1996-5-3 988 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  UCR157957  Amsinckia retrorsa T. B. Salvato, A. C. Sanders 2005-5-17 917 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR172157  Amsinckia retrorsa A. C. Sanders 2006-5-11 32260 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  SD28018  Amsinckia tessellata Carl B. Wolf 1932-4-27 3037 Riverside Colorado Desert, Mecca-Blythe Road, 3/4 mile west of Utopia 149 Comment
Read comments
Dec 11 2011
  UC878737  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4843 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  RSA387340  Ancistrocarphus filagineus Steve Boyd 1986-4-22 1772 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  RSA342553  Andropogon glomeratus R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54093 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  POM12654  Antennaria rosea Philip A. Munz 1922-9-7 6403 Riverside Tamarack Valley, San Jacinto Mts. 2805 Comment
  UC218084  Antennaria rosea P. A. Munz 1922-9-7 6403 Riverside Tamarack Valley San Jacinto Mts., Tamarack Valley 2804 Comment
  POM17948  Antirrhinum coulterianum Philip A. Munz 1923-6-14 7106 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  RSA1552  Antirrhinum coulterianum J. T. Howell 1928-7-9 1075 Riverside San Juan Canyon road, Elsinore Mts. Comment
  UC1595591  Antirrhinum coulterianum Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4557 Riverside Vail Lake area, rolling terrain at junction of Hwy R3 and Powerline Road, NE of the lake Comment
  JOTR28916  Antirrhinum filipes La Doux, Tasha 2005-2-7 1152 Riverside Joshua Tree National Park. Eagle Mountains; south facing slopes north of Hayfield Dry Lake 553 Comment
  RSA650898  Antirrhinum filipes W. M. Zabriskie 1973-4-4 s.n. Riverside East slope of San Jacinto Mountains, Andreas Canyon area, on trail toward Eagle Peak. 732 Comment
  RSA0010949  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White, Justin M. Wood 2008-4-16 11887 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  RSA561016  Apiastrum angustifolium Steve Boyd, Timothy S. Ross 1992-5-4 7194 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR172249  Apiastrum angustifolium John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  RSA403092  Apocynum cannabinum L. E. Hoffman 1930-9-2 s.n. Riverside San Jacinto Mts. Riverside. Comment
  RSA161138  Aquilegia formosa Peter H. Raven, Richard Snow 1957-7-26 11111 Riverside San Jacinto Mountains: 2.0 miles S of Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  RSA0126335  Arabis glaucovalvula C. L. Hitchcock 1932-4-8 12218 Riverside 1 mile west of Cottonwood Springs. Comment
  POM354262  Arceuthobium campylopodum Albert J. Perkins 1916-9-4 s.n. Riverside Idyllwild. Comment
Read comments
Mar 21 2011
  RSA629155  Arctostaphylos Jon E. Keeley 1992-7-17 16769 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  OBI42561  Arctostaphylos glandulosa subsp. leucophylla A. C. Sanders 1986-6-1 6549 Riverside San Jacinto Mts, along trail toward Spitler Peak from the Hurkey Crk camp to Bonita Vista road. 1707 Comment
  RSA629423  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16846 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  POM254917  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Modjeska Peak, Santa Ana Mts. Comment
  RSA631821  Arctostaphylos glauca Jon E. Keeley 1992-7-12 15533 Riverside Road to Elsinore Peak, 5 km south of Highway 74, Santa Ana Mountains. Comment
  RSA631826  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16611 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  RSA78198  Arctostaphylos glauca var. eremicola P. A. Munz 1953-5-31 18516 Riverside ridge between Juniper Flats and Stubby Springs, Joshua Tree Nat'l Mon. Comment
  RSA633527  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20112 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633551  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21796 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633556  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16685 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633712  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16655 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633719  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20149 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633749  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21784 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  SEINET7048003  Arctostaphylos patula Steven R. Hill, Kate Kramer and family 2001-4-26 33470 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
  RSA761232  Arctostaphylos pringlei Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 723 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC44361  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  LA42377  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock; 1940-4-23 sn Riverside San Jacinto Mountains, Pine Cove Comment
  RSA358586  Arctostaphylos pringlei subsp. drupacea Larry E. DeBuhr 1972-3-23 531 Riverside Santa Rosa Mts., San Bernardino National forest; along forest road 7S02. 2104 Comment
  RSA635637  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1978-9-16 7258 Riverside South of Twin Pines Ranch Rd. 1275 Comment
  RSA761984  Arctostaphylos pringlei subsp. drupacea Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 666 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CSUSB1374  Arctostaphylos pringlei var. drupacea S. ally Crum 1966-5-12 Riverside San Jancinto Mountains San Jacinto Mountains. About 2 miles below Lake Fulmor on Idyllwild to Banning Road in very dense chaparral on rocky slope 1158 Comment
  CAS-BOT-BC46343  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Idyllwild area: Hwy 243 at deer Springs trailhead and adjacent area. USGS San Jacinto Pk. 7.5' topo. 1828 Comment
  POM47184  Arctostaphylos pungens Mary F. Spencer 1920-1-12 1324 Riverside Idyllwild San Jacinto Mt. 970 Comment
  RSA192300  Arctostaphylos rainbowensis H. A. Zuill 1966-6-5 203 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Oct 23 2013
  RSA735110  Arctostaphylos rainbowensis Scott D. White, Justin M. Wood 2007-4-16 11654 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  SD137811  Arenaria douglasii Darin L. Banks, Steve Boyd 1995-5-3 291 Riverside Cleveland national Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 509 Comment
  SEINET12102572  Argemone corymbosa Unknown 1936-1 12854 Riverside Foothills of San Jacinto Mts, near Palm Springs Comment
  UCR94645  Argemone munita subsp. argentea Scott D. White 1996-5-27 4074 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  RSA784746  Aristida adscensionis Duncan S. Bell 2012-2-12 3090 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SD224792  Aristida adscensionis G. K. Helmkamp 1998-4-4 3155 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd., to the vicinity of the pumping station. 305 Comment
  SEINET3918906  Aristida adscensionis David Charlton 1988-2-18 1129 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 1 mi. E of Jct Dillon Rd. and Fargo Cyn. Rd.; 0 610 Comment
  UC572299  Aristida adscensionis H. S. Yates 1937-3-23 6448 Riverside 15 mi nne Mecca; Thermal Quadrangle 457 Comment
  UCR100872  Aristida adscensionis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2701 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR242289  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40420 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  JOTR34233  Aristida californica Harding, Mitzi, Mark Wheeler 2012-4-4 22 Riverside Joshua Tree National Park. Pinto Basin; north side of sand ramps west of Pinto Mountain 516 Comment
  POM11427A  Aristida purpurea var. parishii P. A. Munz, D. D. Keck 1922-4-9 4906 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA0097962  Aristida purpurea var. parishii Duncan S. Bell 2014-11-14 7711 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  SD121286  Aristida purpurea var. parishii J. C. Roos 1966-4-29 Riverside Rocky hills between March AFB and Lakeview, crevices in the rock slopes. Comment
  UCR100574  Aristida purpurea var. purpurea George K. Helmkamp 1997-11-1 2513 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UCR59703  Aristida purpurea var. wrightii A. C. Sanders 1989-9-19 9497 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
  SD137913  Artemisia californica Darin L. Banks, Steve Boyd 1995-10-17 766 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  SD229062  Artemisia californica Dick Schwenkmeyer 2012-10-16 845 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCR123871  Artemisia californica Steven R. Hill 2001-4-29 33539 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
  UCR275357  Artemisia douglasiana T. B. Salvato, Melissa Clemons 2005-6-9 1500 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  JEPS26594  Artemisia dracunculus Peter Kamb 1948-10-31 1285 a Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  RSA0104642  Artemisia ludoviciana Duncan S. Bell 2014-11-14 7707 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  SD119914  Artemisia nova Louis B. Ziegler 1964-8-20 1 Riverside San Jacinto Mountains, Garner (Hemet) Valley, bench above Kenworthy Ranger Station on Old Morris Ranch Road 1615 Comment
  POM244867  Artemisia tridentata E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood, south of Hemet 976 Comment
  UCR48344  Asclepias californica Steve Boyd 1986-4-22 1756 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  JEPS6287  Asclepias eriocarpa Marjorie D. Clary 1932-7-4 1208 Riverside Santa Rosa Mts. Kenworthy area; , Kenworthy area 1371 Comment
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Mar 25 2011
  RSA401250  Asclepias fascicularis N. C. Cooper 1949-10-14 1569 Riverside Palms to Pines Hwy. Roadside 1372 Comment
  RSA0086466  Asparagus officinalis Mitch Provance 2013-4-8 413 -13 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  UCR250858  Asphodelus fistulosus Dick Newell, Judy Booth 2014-3-9 355 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Road, 0.34 mi. east of Ortega Hwy 865 Comment
  UCR93056  Aster subulatus Steve Boyd, D. Banks 1994-9-29 8363 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  CAS-BOT-BC177294  Astragalus acutirostris Peter H. Raven 1958-5-5 12897 A Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  RSA0031015  Astragalus aridus Jim Andre 2013-3-27 24804 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA415777  Astragalus aridus M. B. Dunkle 1934-3-18 3856 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA4916  Astragalus aridus C. B. Wolf 1932-4-28 3078 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
  UC700951  Astragalus aridus Aven and Ruth Nelson 1939-3-30 3343 Riverside between Mecca nd Blythe on old road between Mecca nd Blythe on old road (hiway 60) Comment
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Feb 3 2011
  CAS-BOT-BC177514  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside Between Cottonwood Spgs. and Pinto Basin Comment
  CAS-BOT-BC177515  Astragalus bernardinus Peter H. Raven 1958-5-5 12896 Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  JOTR31085  Astragalus bernardinus La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2347 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  POM145548  Astragalus bernardinus J. B. Feudge 1926-5-9 1865 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
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Apr 6 2011
  UC217895  Astragalus crotalariae P. A. Munz, D. Keck 1922-4-8 4743 Riverside 1/2 mi e Indio (Colorado Desert); , e of Indio -15 Comment
  UC669291  Astragalus crotalariae Annie M. Alexander and Louise Kellogg 1941-3-2 1881 Riverside roadside 5 mi s Valerie; s of Valerie Comment
  UCD104685  Astragalus crotalariae H. B. Richardson 1940-4-6 s.n. Riverside Near Coachella Valley w. of Thermal. Comment
  UC397259  Astragalus didymocarpus var. dispermus G. B. Grant Apr. 1906 Riverside Palm Spring Comment
  RSA674713  Astragalus gambelianus Scott D. White 2000-5-1 7746 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SD181526  Astragalus gambelianus Scott D. White 2000-5-1 7746 Riverside Corona, western foothills of Santa Ana Mountains near Bedford Canyon; Corona South [quad]. Scarce in graded soil adjacent to undisturbed CSS. 351 Comment
  CAS-BOT-BC186907  Astragalus insularis var. harwoodii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  CLARK-A1528-2746  Astragalus insularis var. harwoodii John C. Roos 1949-4-11 4241 Riverside Chuckwalla Mountains Comment
  HSC78590  Astragalus insularis var. harwoodii J. C. Roos 1958-3-15 Riverside 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  CHSC110023  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside Coachella Valley: Palm Springs. Northeast corner of 30th Ave. and Devall St. Adjacent to housing tracts and scheduled for grading and new construction +/- immediately. 101 Comment
  LA204982  Astragalus lentiginosus var. coachellae Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  RSA415584  Astragalus lentiginosus var. coachellae Christina Clark 1929-3-16 s.n Riverside N. Indio. Comment
  UCSB42213  Astragalus nuttallianus Roos, John 1958-3-15 Riverside 3 miles SE of Desert Center, in the Chuckwalla Mtns. Comment
  SEINET7063054  Astragalus nuttallii A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  CAS-BOT-BC194202  Astragalus pachypus Harvey Monroe Hall 1897-4-18 477 Riverside Beaumont Comment
  UCR240270  Astragalus pachypus var. jaegeri Theresa Johnson 2010-6-17 s.n. Riverside San Jacinto Mtns. Foothills, Lamb Canyon 701 Comment
  CHSC110689  Astragalus pomonensis Dean Wm. Taylor 2003-5-7 18539 Riverside Railroad Canyon, San Jacinto River (1.9 river miles upstream from maximum pool level for Railroad Canyon Reservoir). 426 Comment
  RSA108534  Astragalus pomonensis P. H. Raven, Sidney R. Snow 1956-7-6 9656 Riverside 0.3 miles from U.S. Hwy 60 on State Hwy 79 on route to Gilman Hot Springs, San Jacinto Mtns. Comment
  UCR121084  Astragalus pomonensis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24964 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR91484  Athysanus pusillus Scott D. White 1995-4-5 2761 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  CAS-BOT-BC98821  Atrichoseris platyphylla Aven Nelson; Ruth A. Nelson 1939-3-29 3328 Riverside Hidden Springs Canyon, near Mecca Comment
  JOTR35078  Atrichoseris platyphylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3529 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  SFV7922  Atrichoseris platyphylla T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1285 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UC1329825  Atrichoseris platyphylla James E. Cole 1941-4-13 565 Riverside top of Pinto Pass; Joshua Tree National Monument 609 Comment
  UCR60765  Atrichoseris platyphylla Orlando Mistretta 1986-3-13 1454 Riverside Sonoran (Colorado) Desert, NE of Desert Center, west side Palen Mtns. 229 Comment
  CAS-BOT-BC170584  Atriplex Roxana S. Ferris 1918-6-19 1017 Riverside Between Rannels and Palo Verde. Comment
  UC2015364  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Southern Coastal Slop; Perris Basin: Perris, east of I-215 Comment
  SEINET3930596  Atriplex canescens Grant D. Brown 1950-3-5 492 Riverside 3 miles east of Indio on highway #60/70.; 0 9 Comment
  JEPS90679  Atriplex coronata var. notatior D. Bramlet 1991-6-1 2182 Riverside 1.4 km w of Nuevo (and some 10 m s of the end of 12th Street, some 17m e of San Jacinto River); San Jacinto crownscale 473 Comment
  RSA520931  Atriplex coronata var. notatior D. E. Bramlet 1990-7-25 2060 Riverside In uncultivated portion of an agricultural field, some 1760 m. W of Nuevo, approximately 260 m. northeast of the intersection of Nuevo Rd. & Pico Ave. 473 Comment
  UCR252815  Atriplex coronata var. notatior John Dvorak 2011-5-17 017 Riverside Perris Aguanga Basin, San Jacinto River, 2 km west of Menifee Road, 60 meters south of San Jacinto Avenue 434 Comment
  SD254590  Atriplex elegans Jeremiah George 2014-12-11 Riverside San Gorgonio Pass Region: Beaumont, just south of West 4th St. at end of small paved spur road, aea boxed in by commecial development (Beaumont 7.5'Q) 772 Comment
  JOTR28751  Atriplex elegans var. fasciculata La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1032 Riverside Joshua Tree National Park. East flanks of Coxcomb Mountains, along JTNP boundary; 13 miles N of Desert Center. along Route 177 329 Comment
  POM248406  Atriplex lentiformis Philip Crow 1939-7-10 s.n. Riverside Blythe Comment
  POM254666  Atriplex lentiformis F. W. Peirson 1924-12-30 s.n. Riverside Thousand Palms Canyon, Coachella Valley. 122 Comment
  POM642  Atriplex lentiformis T. S. Brandegee 1901-4-3 s.n. Riverside Salton, Colorado Desert. Comment
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Sep 11 2011
  POM278733  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 582 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  RSA612719  Atriplex parishii H. C. Stutz 1994-10-17 9693 Riverside W side of Hemet, 100 yards East of California Street terminus Comment
  RSA653589  Atriplex prostrata A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23181 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR121254  Atriplex serenana var. serenana D. E. Bramlet, D. J. Bradney 1989-7-3 1931 Riverside Perris-Aguanga Basin region, Diamond Valley, just north and east of the Searl Ranch buildings 482 Comment
  RSA785197  Atriplex suberecta D. E. Bramlet 1996-5-4 2461 Riverside San Jacinto Valley, San Jacinto Wildlife Area, 300m SW of Pond No. 1, and c. 1 km NE of the reserve entrance at Davis Road 433 Comment
  RSA557356  Atriplex suberecta Julie Greene 1993-6-11 1362 Riverside North of levee, west of Davis road. 436 Comment
  GMDRC4943  Avena fatua J. Andre 2011-2-18 15820 Riverside Coachella Valley: north end of valley at base of Morongo Canyon, 0.5 mi. N. of Indian Cyn Rd, 1 mi. west of Hwy 62. 473 Comment
  IRVC5358  Avena fatua Gidon Ladizinsky 1971-5-19 s.n. Riverside University of California, Riverside Comment
  CAS-BOT-BC213223  Ayenia compacta Annie M. Alexander; Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, north of Shaver Summit 792 Comment
  CDA42499  Azolla filiculoides F. J. Willmarth Apr 1958 s.n. Riverside Reservoir, Hemet Valley. 0 Comment
  JEPS40702  Baccharis brachyphylla Marjorie D. Clary 1933-1-29 1761 Riverside nw of Indio (Colorado Desert, Santa Rosa Mts, Deep Canyon); Colorado Desert, Santa Rosa Mts., Deep Canyon 304 Comment
  SD247312  Baccharis brachyphylla Andy Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Road. 646 Comment
  UCR89706  Baccharis brachyphylla J. M. Stewart 1990-10-28 668 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  IRVC9315  Baccharis glutinosa Charles Leavell 1966-2-9 7 Riverside Santa Ana Canyon: off Highway 91, 200 yards east of the Riverside-Orange county line, on northeast slope. Santa Ana Mountains 213 Comment
  RSA192011  Baccharis salicifolia E. W. Lathrop 1959-4-1 4379 b Riverside 18 mi SW of Elsinore & Tenaja Guard Station, Cleveland Natl Forest, Tenaja Cyn. Comment
  RSA0031548  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  CAS-BOT-BC295896  Bahiopsis parishii Ivan Johnston 1917-4-4 1060 Riverside Colorado Desert. Palm Canyon 457 Comment
  POM6936  Bahiopsis parishii Philip A. Munz, L. T. Street 1919-5-7 2722 Riverside Tahquitz Canon, Palm Springs Comment
  RSA23272  Bahiopsis parishii Ernest Braunton 1940-03 2032 Riverside Berdoo Canyon. Comment
  SD229076  Bahiopsis parishii Dick Schwenkmeyer 2012-5-22 714 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  RSA92525  Bahiopsis parishii F. W. Peirson 1922-4-9 4148 Riverside Murray Canyon, near Palm Springs Comment
  CAS-BOT-BC99965  Baileya pauciradiata Carl B. Wolf 1937-4-6 8431 Riverside Colorado Desert. Coachella Valley, 3 mi. No. of Indio 0 Comment
  UCR198168  Baileya pauciradiata Michael Honer, Dave Silverman 2005-3-18 2093 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  UCSB10340  Baileya pauciradiata Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  UCR268584  Barbarea orthoceras Jim Andre 2012-6-15 30549 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR45121  Bassia hyssopifolia L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  RSA696870  Bebbia juncea J. Russell Bruff 1928-11-23 2 Riverside Whitewater. Comment
  RSA678358  Bebbia juncea var. aspera Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10493 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
  RSA0008555  Berberis nevinii J. C. Roos, Lucille Roos 1949-5-21 4321 Riverside Near Vail Dam, 2 miles north of Dripping Springs, southwestern Riverside County. Comment
  JEPS52451  Bernardia myricifolia W. L. Jepson 1928-4-23 12563 Riverside Cottonwood Spring Colorado Desert, Cottonwood Mts., Cottonwood Spring 731 Comment
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Oct 9 2010
  UCR188892  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CAS-BOT-BC478936  Bloomeria crocea var. crocea Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  JOTR35501  Boechera perennans La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3189 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  CLARK-A1528-3269  Boerhavia torreyana John C. Roos 1946-11-29 3178 Riverside Hayfield Comment
  JOTR32597  Boerhavia triquetra var. intermedia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2665 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  JOTR38520  Boerhavia wrightii Harding, Mitzi, Kipp Callahan 2012-8-27 289 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UC2026380  Boerhavia wrightii Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 C Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  RSA517241  Bouteloua aristidoides Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1328 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  SEINET10835065  Bouteloua barbata David B. Dunn 1946-3-15 Dunn 2027 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
  CAS-BOT-BC95401  Bowlesia incana A. C. Sanders 1997-3-1 19752 Riverside Box Springs Mtns., S end of the range along Gernert Road in valley draining to Box Spring Canyon 457 Comment
  UCR202613  Bowlesia incana Scott D. White, Justin M. Wood 2008-7-9 12423 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  RSA787121  Brachychiton populneum Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49546 Riverside Santa Ana Mountains: along Ortega Highway (74), about 2 miles SSW of El Cariso Comment
  POM296452  Brandegea bigelovii Lyman Benson 1949-3-28 13572 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  RSA668362  Brandegea bigelovii C. R. Annable 1995-3-15 2284 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  UC890375  Brandegea bigelovii C. L. Hitchcock 1940-3-31 5894 Riverside between Cottonwood Spring and Pinto Basin Comment
  UCD107469  Brandegea bigelovii Lyman Benson 1949-3-28 13572 Riverside Wash at E end of Pines to Palms Highway, just above jct with Palm Springs Indio Rd. 304 Comment
  UCR166431  Brassica A. C. Sanders 1992-2-28 12036 Riverside University of California, Riverside. Botanic Garden 366 Comment
  SEINET8710942 Image available Brassica fruticulosa A. C. Sanders 2008-1 34418 Riverside Peninsular Range: Box Springs Mtns.; Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road 428 Comment
  UCR91373  Brassica kaber Scott D. White, M. Jacobsmeyer 1996-4-20 3963 Riverside Perris Basin, Perris area: just south of Perris Airport, SE of Goetz Road/ Mapes Road intersection, north of San Jacinto River Channel 430 Comment
  SEINET229271  Brassica tournefortii L. M. Shultz, JS Shultz 1985-4-16 8277 Riverside Chuckawalla Valley north of the Chukkawalla Mountains 122 Comment
  UC1922020  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR156356  Brassica tournefortii T. B. Salvato, Kent Beaman 2005-5-16 867 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA0063253  Brassica tournefortii Hulda Crooks 1946-3-2 252 Riverside N. of Palm Springs. 139 Comment
  RSA588824  Brickellia desertorum Darin L. Banks, Steve Boyd 1995-10-17 0776 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
  UCR23270  Brickellia desertorum John C. Roos, L. Roos 1950-10-28 5020 Riverside Perris-Aguanga basin region, N base Mt. Russell, 1 mi SE of Moreno 550 Comment
  CAS-BOT-BC100609  Brickellia oblongifolia var. linifolia H. M. Hall 1901-5-1 1888 Riverside San Jacinto Mountains, Easetern base, along the borders of the Colorado Desert 1219 Comment
  CLARK-A1045-180  Brodiaea filifolia George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5' Q Comment
  RSA198993  Brodiaea filifolia Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37432 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA559357  Brodiaea santarosae Steve Boyd, Timothy S. Ross 1992-5-15 7385 Riverside Southern Santa ana Mtns., southern flank of Elsinore Peak along old Main Divide Road track about 1/4 mile due south of radio towers, 1037 Comment
  RSA745531  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-10 921 Riverside Santa Rosa Plateau Ecological Reserve; Via Volcano Road immediately west of the northernmost of two vernal pools 634 Comment
  UCR89494  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mt., Agua TibiaWilderness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd. 1000 Comment
  SD185078  Bromus arizonicus A. C. Sanders, K. Rose and D. Woodard 1995-3-22 16220 Riverside San Gorgonio Pass/San Jacinto Mountains; on and near a rocky spur at the north foot of the mountains. 399 Comment
  CAS-BOT-BC174244  Bromus berteroanus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-3-31 37668 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  UCR2241  Bromus diandrus F. M. Reed 1934-1-20 8694 Riverside Riverside, Bluffs Ranch [Chicago Ave. N of Arroyo Tequesquite] 274 Comment
  UCR2221  Bromus grandis F. M. Reed 1925-5-23 5034 Riverside Peninsular Range; Santa Ana Mtns., Horsethief Canyon, Temescal Mountains 976 Comment
  CHSC36063  Bromus madritensis subsp. rubens Paul Bailey 1972-5-14 120 Riverside 5 miles NE of Temecula on roadside of Rancho California Drive, Tucalota Hills. 457 Comment
  CLARK-A1528-4544  Bromus mollis John C. Roos 1939-5-27 Riverside Reche Canyon Comment
  CLARK-A1528-4545  Bromus mollis John C. Roos, Lucille Roos 1950-4-15 4740 Riverside Pigeon Pass 457 Comment
  CLARK-A1528-47  Bromus rubens Fred B. Essig 1964-2-20 Riverside La Sierra Comment
  RSA524447  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4083 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
  RSA799068  Bromus rubens Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6864 Riverside South side of Joshua Tree National Park, Cottonwood Spring 823 Comment
  SEINET3923303  Bromus rubens F. S. Crosswhite 1961-1-21 1707 Riverside Weed along Chicago Ave.; 0 183 Comment
  UCR234336  Bromus rubens A. C. Sanders, John F. Green 2012-3-26 39998 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  UCR92223  Bromus tectorum Steve Boyd 1995-4-24 8477 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  UCR2260  Bromus trinii F. M. Reed 1906-3-17 917 Riverside Riverside: mouth of South fork of Arroyo Tequesquite 396 Comment
  SEINET2060496 Image available Caesalpinia E. R. Blakley 1952-8-17 B- 1558 Riverside Shavers Summit 515 Comment
  POM14550  Caesalpinia virgata Alice Eastwood 1913-4-30 3072 Riverside Palm Springs. Comment
  RSA405294  Caesalpinia virgata Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  SDSU13678  Calandrinia ciliata Jutta Buschbom 1991-5-1 48 a Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR116986  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2001-5-3 24077 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR117302  Calandrinia ciliata A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 723 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR121784  Calandrinia ciliata A. C. Sanders, Carolyn Washburn 2001-4-17 24033 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR266786  Callitriche marginata Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 07 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA572185  Calocedrus decurrens C. Epling 1931-10-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  RSA444479  Calochortus albus J. C. Roos 1960-5-30 s.n. Riverside Ridge between heads of Bedford Canyon and East Fork Ladd Canyon 1220 Comment
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May 20 2011
  UC218107  Calochortus concolor P. A. Munz 1922-6-30 5917 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCR35291  Calochortus concolor L. B. Ziegler 1969-7-3 382 Riverside San Jacinto Mtns, Hemet Valley. E side of valley. Above Kenworthy Ranger Station. 1585 Comment
  CAS-BOT-BC483419  Calochortus invenustus R. Bacigalupi 1925-7-2 1243 Riverside On trail to Tahquitz Peak, San Jacinto Mountains 1767 Comment
  UCR189812  Calochortus palmeri var. munzii Theresa Johnson 2007-6-22 377 Riverside Peninsular Range, San Jacinto Mountains Region, c. 3 mi northwest of intersection of Hwy 74 and Hwy 243, c. 0.2 mi southwest of Alvin Meadows near Chimney Flats Road 1477 Comment
  SBBG22940  Calochortus plummerae H. and M. Dearing 1940-6-9 4362 Riverside E of Hemet Comment
  RSA561011  Calochortus splendens Steve Boyd, Timothy S. Ross 1992-5-4 7199 Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  SD140233  Calochortus splendens Scott White 1993-4-22 1221 Riverside North Averill Ranch, in hills north of Walker Canyon. 487 Comment
  UCR261693  Calochortus splendens Dick Newell, Judy Booth 2014-5-26 376 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road 0.2 mi. south of Los Pinos Rd. and 0.67 mi. NW of Elsinore Peak 955 Comment
  RSA652923  Calycadenia tenella A. C. Sanders 1997-5-1 20624 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  GMDRC2050  Calycoseris parryi J. Andre 2006-4-26 6768 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  RSA78805  Calycoseris parryi Philip A. Munz 1952-4-15 17339 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  SBBG101736  Calycoseris parryi S. Boyd with D. Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 609 Comment
  UCR175172  Calycoseris parryi Jim Andre 2006-4-26 6768 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  SD140209  Calycoseris wrightii A. C. Sanders, E. J. Lawlor 1992-4-4 12114 Riverside McCoy Mountains. Within 1/2 mile of McCoy Spring; alluvial slopes below and to the south and canyon bottom above the spring. 244 Comment
  JOTR30229  Calyptridium monandrum Leary, C. and Leary, Pat 1979-5-5 2996 Riverside Joshua Tree National Park. At the end of the road in Lower Covington Flat, Joshua Tree N.M. Comment
  CLARK-A1528-7874  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  CSUSB678  Calystegia macrostegia R. P. Sunderman 1968-4-26 Riverside University of California, Riverside campus 396 Comment
  RSA263767  Calystegia macrostegia subsp. intermedia E. W. Lathrop 1968-5-17 6885 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1067 Comment
  RSA220961  Calystegia occidentalis subsp. fulcrata E. W. Lathrop 1966-5-8 6411 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  CDA39783  Camissonia bistorta Mike Lahti 2014-3-11 s.n. Riverside Bautista Canyon - East Hemet. San Bernardino National Forest. 0 Comment
  RSA147863  Camissonia bistorta J. B. Feudge 1927-6-5 1719 Riverside Winchester. 412 Comment
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Mar 20 2011
  RSA465925  Camissonia bistorta Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  UCR177000  Camissonia bistorta Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 295 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR251309  Camissonia bistorta T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7426 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCR213396  Camissonia boothii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37465 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
  UCR41541  Camissonia boothii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6008 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  SEINET10389808  Camissonia brevipes A. C. Sanders, Jim Malusa 2015-3-11 41399 Riverside Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 674 Comment
  RSA134156  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11477 Riverside Colorado Desert. With parents on alluvial flats, Box Canyon, 5.5 miles SE of Painted Canyon turnoff. Comment
  RSA144673  Camissonia californica William M. Klein 1958-2-11 43 Riverside Along highway 99 [Hwy 86], 2.8 miles NW of the Riverside-Imperial County line, on shoulder of road. Comment
  UCR217795  Camissonia chamaenerioides Jim Andre, T. La Doux 2010-2-28 12560 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
  POM38527  Camissonia claviformis subsp. aurantiaca Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA449192  Camissonia claviformis subsp. aurantiaca E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Calif. Painted Canon. Comment
  RSA652361  Camissonia claviformis subsp. aurantiaca David B. Dunn, H. Lint 1955-4-1 11829 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  RSA72245  Camissonia claviformis subsp. aurantiaca F. W. Peirson 1914-04 785 Riverside Whitewater at head of Coachella Valley. Comment
  UCR44446  Camissonia confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR199921  Camissonia hirtella Scott D. White, Justin Wood 2008-4-16 11882 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  UCR58487  Camissonia hirtella Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  UC708741  Camissoniopsis pallida subsp. pallida H. K. Wagnon 1944-4-2 378 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  UC874052  Camissoniopsis pallida subsp. pallida P. A. Munz and D. Keck 1922-4-14 4976 Riverside e Whitewater Ranch; Colorado Desert 274 Comment
  CAS-BOT-BC17705  Carex alma Philip Alexander Munz 1938-8-14 15341 Riverside Virgin Spring, near Santa Rosa Peak. 2286 Comment
  RSA740958  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside K Flat Meadow. 1433 Comment
  UCR95594  Carex barbarae D. L. Banks, Lauren Raz 1996-8-29 1142 Riverside Agua Tibia Mountains, NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. Along Arroyo Seco, north of Wildhorse Peak, before the drainage bends to the south. 549 Comment
  RSA680527  Carex fracta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8646 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  CHSC114465  Carex heteroneura P. F. Zika; Nick Otting 2010-8-3 25239 Riverside Vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. 2550 Comment
  SD128231  Carex nebrascensis R. Mitchel Beauchamp 1971-5-15 2420 Riverside San Jacinto Mountains; along the shore of Lake Fulmore. 487 Comment
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Sep 6 2009
  RSA704864  Carex sartwelliana J. B. B. 1934-6-18 532 Riverside Snow Creek; base of San Jacinto. Comment
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Feb 16 2013
  UC837147  Carex sartwelliana I. W. Clokey, E. G. Anderson 1935-8-21 6563 Riverside Fuller's Creek 1500 Comment
  UCR151364  Carex triquetra Scott D. White, T. B. Salvato 2001-6-8 8585 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley 579 Comment
  SEINET949244  Cassia eremophila Miles Fellows 1985-1 67 -182 Riverside Cultivated at the UCR Botanical Garden. Comment
  CDA35222  Castela emoryi T. C. Fuller 1962-10-2 9697 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  SD229284  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-8-7 793 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR280838  Castilleja exserta T. B. Salvato, Gregg Miller 2005-6-3 1403 Riverside Peninsular Range; Perris-Aguanga Basin Region, edge of Gavilan Hills ca 3.5 mi SW of Perris, 1.4 mi SE of Steele Peak, and 0.5 mi NNW of Good Hope Mine, E of Hwy 74 534 Comment
  JEPS16663  Castilleja exserta subsp. exserta Rimo Bacigalupi with Gene Newcomb 1954-4-25 4400 Riverside 0.75 mi s Sage (along Calif Hwy 79, close to summit of St. Johns Grade, 9.5 mi n of junction with Calif Hwy 71) 731 Comment
  CLARK-A1528-4178  Castilleja foliolosa John C. Roos 1952-2-29 5375 Riverside Reche Canyon Comment
  RSA801813  Castilleja foliolosa LeRoy Gross, Evan Meyer 2013-5-21 6107 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UC668427  Castilleja foliolosa Annie M. Alexander and Louise Kellogg 1941-4-24 2081 Riverside w side Dry Morongo Creek Gorge; Morango Valley 640 Comment
  JOTR34208  Caulanthus cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3000 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
  RSA531135  Caulanthus hallii M. B. Dunkle 1937-3-25 4942 Riverside Colorado Desert. Shaver s Well Comment
  CAS-BOT-BC41103  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4093 Riverside Vail Lake Area, upper benches and adjacent slopes of the east flank of 'Big' Oak Mountain. 701 Comment
  CAS-BOT-BC41142  Caulanthus heterophyllus A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19879 Riverside Lake Skinner area. Lower Rawsom Canyon, northeast of the lake and southwest of Black Mountain, along the road. 518 Comment
  JEPS29316  Caulanthus heterophyllus Rimo Bacigalupi and L. Heckard 1962-3-26 8412 Riverside 3.3 mi. n.w. Alberhill (near headwaters of Temescal Wash & Canyon, w. base of Estelle Mt. & just opposite Indian Canyon (from w.)) 304 Comment
  RSA673540  Caulanthus heterophyllus Scott D. White, Tasha La Doux 2000-4-20 7678 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SJSU8306  Caulanthus heterophyllus G. L. Willey 1975-11-17 Riverside Wileys Well (?) [locality questionable, probably from near the coast at some point in S California] 176 Comment
  UCR199926  Caulanthus heterophyllus Scott D. White, Justin Wood 2008-4-16 11889 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  RSA0043377  Caulanthus major John F. Emmel 1996-6-16 1409 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  RSA606733  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27420 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA717671  Ceanothus crassifolius A. C. Sanders 2004-2-6 27387 Riverside Foothills at edge of Temescal Valley, intact ridge at a development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR172242  Ceanothus crassifolius John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; NE side of the Hogbacks. SE of Los Alamos Road, area bordered by Mason Avenue, Callahan Road and Shannon Lane 488 Comment
  UCR174966  Ceanothus crassifolius Teresa Nieto 2005-4-24 21 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR90987  Ceanothus crassifolius Scott D. White 1996-3-31 3873 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UC1070690  Ceanothus greggii var. perplexans A. E. Wieslander 1929-4-2 52 Riverside n slope San Jacinto Mts. San Jacinto quad. 1371 Comment
  POM49159  Ceanothus leucodermis P. A. Munz 1924-5-18 8144 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA713784  Ceanothus leucodermis A. C. Sanders, Mike Misenhelter 2005-3-23 29263 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR131803  Ceanothus leucodermis Mrs. D. R. Wolf 1932-3-20 32 Riverside Santa Rosa Plateau, Richman Ranch, 2.5 miles north of DeLuz, SW Riverside County 457 Comment
  UCR174562  Ceanothus leucodermis Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 343 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  RSA95353  Ceanothus oliganthus F. W. Peirson 1931-5-30 9380 Riverside Along Glen Ivy Trail to Santiago Peak, Santa Ana Mts. 762 Comment
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Oct 1 2011
  SD131176  Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mile west of lake. Restricted to series of north facing slopes 609 Comment
  UCR79354  Ceanothus ophiochilus Steve Boyd, K. Berg, Sandy Morey, Jon E. Keeley 1992-5-3 7169 A Riverside Peninsular Range, Vail Lake area: ridge about 1 mi. west of lake, east of 'Little' Oak Mt. 610 Comment
  OBI6101  Ceanothus perplexans Carl B. Wolf 1931-5-11 1944 Riverside Near Pipe Crk above Hemet Valley, San Jacinto Mts 1676 Comment
  RSA398967  Ceanothus tomentosus subsp. olivaceus Julian P. Donahue 1983-4-3 s.n. Riverside Santa Ana Mts., Skyline Dr., southwest of Corona. El. 2900' 884 Comment
  OBI4694  Cenchrus echinatus T. C. Fuller 1962-10-2 9695 Riverside SW corner of Hayes St and hwy 111 to Niland. 4 mi SE of Mecca Comment
  UCR23674  Centaurea repens John C. Roos 1965-9-21 s.n. Riverside Riverside, Arlington area Comment
  RSA735927  Centaurea solstitialis Scott D. White, Justin M. Wood 2008-5-29 12043 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR238750  Centaurea solstitialis John F. Green 2012-9-11 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, between Perris and March Air Base, Harvill Ave. at Markham St., just west of I-215 Fwy 464 Comment
  OBI59578  Centaurium calycosum L. A. McGill & H. S. Gentry, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch Comment
  CSUSB829  Centaurium venustum William E. Wayburn 1973-5-26 Riverside 10.9 miles southwest of Murrieta on Tenaja Road. 548 Comment
  UCR158130  Centaurium venustum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30099 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
  RSA596716  Cercocarpus betuloides Louis C. Wheeler 1960-5-11 7693 Riverside San Jacinto Mountains. 1 mi. west of Hurley Flat. Comment
  RSA786953  Cercocarpus betuloides var. betuloides Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49539 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  RSA561098  Chaenactis artemisiifolia Steve Boyd 1993-5-12 7335 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UC894410  Chaenactis artemisiifolia E. C. Jaeger 1922-6-23 Riverside w slope of San Jacinto Mts. San Jacinto Mts. 1005 Comment
  SBBG99383  Chaenactis carphoclinia W. L. Halvorson 1977-2-5 77 -6 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SEINET2049348 Image available Chaenactis carphoclinia B. Pitzer 1988-3-10 658 Riverside W. side of Chuckwalla Mountains, on gas line road ca 1.5 mi. N of intersection with Red Cloud Mine Rd. (& wash); ca, 2 miles (airline) S of Hwy I-10. 488 Comment
  CAS-BOT-BC276910  Chaenactis fremontii Palmer Stockwell 1940-4-24 1504 Riverside 1 mile E of Cabazon Comment
  CDA7370  Chaenactis fremontii T. C. Fuller 1962-4-3 7989 Riverside Highway 99 to Indio, 0.2 mile north of turn-off to Twenty Nine Palms. 0 Comment
  UC566688  Chaenactis fremontii Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert, Painted Canyon Comment
  UCR87661  Chaenactis fremontii A. C. Sanders 1994-5-29 14563 Riverside San Bernardino Mtns, Millard Canyon, at stream crossing just below site of Millard Station on Forest Service Road 2S05 1100 Comment
  VVC703  Chaenactis fremontii P. J. MacKay, T. Thomas 1997-2-8 92 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  SFV3811  Chaenactis glabriuscula P. G. Kilburn 1958-5-17 810 Riverside 3 miles south of Banning. 305 Comment
  UCR154452  Chaenactis glabriuscula A. C. Sanders, Mike Misenhelter 2005-6-15 30963 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR261179  Chaenactis glabriuscula A. C. Sanders, Katie Young, John Hale 2015-4-22 41607 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1.2 km NW (296 deg. ) of One Horse Spring 461 Comment
  UCR91677  Chaenactis glabriuscula Steve Boyd 1995-4-24 8482 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near the NE corner of the Wilderness 671 Comment
  RSA160873  Chaenactis glabriuscula var. glabriuscula Percy C. Everett 1962-4-13 24453 Riverside Temescal Canyon, Hwy 71, 0.5 miles S entrance to Glen Ivy. Comment
  RSA180441  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1965-5-30 5773 Riverside 6 miles W of Murrieta. Comment
  RSA586728  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-5-17 0450 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  UCR103188  Chaenactis glabriuscula var. glabriuscula Scott D. White, Julie Greene 1997-3-12 4783 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR122543  Chaenactis glabriuscula var. glabriuscula George K. Helmkamp, E. A. Helmkamp 2001-5-20 6673 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  JEPS34181  Chaenactis glabriuscula var. lanosa Marjorie D. Clary 1932-7-3 1212 Riverside near Kenworthy; Hemet Valley 1371 Comment
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Mar 25 2011
  RSA49385  Chaenactis macrantha Philip A. Munz 1949-4-12 13027 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  UCR110979  Chaenactis parishii George K. Helmkamp 1998-6-27 4092 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  CHSC108501  Chaenactis stevioides Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  RSA775940  Chaenactis stevioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 950 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  RSA543172  Chamaesyce albomarginata Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6082 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
  RSA659661  Chamaesyce albomarginata J. C. Roos 1951-9-25 5269 Riverside Fairmount 259 Comment
  RSA614334  Chamaesyce maculata George K. Helmkamp, E. A. Helmkamp 1997-1-8 1279 Riverside Palm Springs. Lawn at El Cielo and Tahquitz-McCallum. 152 Comment
  RSA727388  Chamaesyce micromera Naomi Fraga, Lisa Rojas 2005-2-10 1377 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SEINET3228169  Chamaesyce polycarpa G. Rink 2012-9-10 11690 a Riverside At the Rio Mesa (proposed) Solar Power Plant about 15 miles southwest of Blytheon the east side of the Mule Mountains 125 Comment
  UCR80727  Chamelaucium uncinatum Steve Boyd 1989-4-14 3248 Riverside Peninsular Range, W side Hwy 15, 0.5 mi. south of Rainbow Exit, south of Temecula Comment
  IRVC3127  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1280 Comment
  RSA614527  Cheilanthes covillei A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15781 Riverside San Jacinto Mountains (N slope): Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west. 1128 Comment
  UC218616  Cheilanthes covillei Ivan Johnston Apr Riverside Palm Canyon Comment
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Jul 4 2015
  UCR90970  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  POM183965  Cheilanthes parryi Philip A. Munz 1932-3-14 11987 Riverside Palm Springs. 91 Comment
  UCR91556  Cheilanthes parryi A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15900 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  UCSB44681  Cheilanthes parryi Hibbard, Doug 1977-5-15 Riverside Up wash from Hwy 74, 8.45mi from its intersection with Hwy 111 679 Comment
  RSA685839  Cheilanthes viscida Joseph A. Ewan 1929-3-23 41 Riverside Whitewater Canyon 686 Comment
  UCR82220  Chenopodium J. M. Stewart 1994-5-2 857 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  RSA522105  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross 1989-8-28 3798 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SD247396  Chenopodium berlandieri Andy Sanders 2013-7-7 40860 Riverside Peninsular Range; San Jacinto Mountains: near central Idyllwild, west side of Highway 243 at road junction to Astrocamp (Saunders Meadow Road) and 0.15 kilometer northeast of Tollgate Road junction. 1595 Comment
  SEINET14416905  Chenopodium missouriense Mitch Provance 2012-1 61251 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, .25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  UCR115154  Chenopodium missouriense Mitch Provance 2000-10-14 2256 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  UCR278870  Chenopodium missouriense Mitch Provance 2012-11-10 17600 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
  UCR119417  Chenopodium murale Mitch Provance 1998-6-24 715 Riverside Jurupa Mountains, Canyon NE of the Jurupa Mountains Culture Center, c. 0.7km SW of peak 1701. 335 Comment
  UCR91949  Chenopodium murale George K. Helmkamp 1996-3-11 1001 Riverside Sonoran (Colorado) Desert, Colorado River Valley, 35th Avenue and California Hwy 78, 1.7 mi north of PaloVerde 72 Comment
  RSA653426  Chenopodium pumilio Scott D. White 1999-5-24 7393 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge 460 Comment
  RSA751253  Chilopsis linearis A. C. Sanders 2008-7-25 35924 Riverside Gilman Springs Road, c. midway between Bridge St. and Lambs Canyon Rd., c. 5.6 mi. (air) ENE of Lakeview 473 Comment
  RSA764302  Chilopsis linearis Doris Bowers 1966-10-16 792 a Riverside Salton Sea - Painted Canyon 0 Comment
  SEINET12271194  Chilopsis linearis L. S. Rosa 1936-1 36793 Riverside Palm Canyon Desert Comment
  UCR140310  Chloracantha spinosa Stan C. Spencer 2004-8-4 s.n. Riverside San Jacinto Valley, Hemet-Ryan Airport, SW of Hemet near intersection of Warren Rd. and Stetson Ave., west end of airport 457 Comment
  UCR50730  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside Sonoran (Colorado) Desert, just west of Blythe along canal near Hobson Way. 75 Comment
  POM257310  Chloris virgata C. B. Wolf 1932-4-28 3071 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
  SDSU13012  Chloris virgata Michael G. Simpson 1999-10-27 2053 Riverside Santa Margarita Ecological Reserve, San Diego State University. Along path from river to Southside facilities. 152 Comment
  RSA192143  Chlorogalum parviflorum H. A. Zuill 1966-6-19 222 Riverside 6 miles SW of Murrieta on the road to Los Alamos Ranch. Comment
  RSA777390  Chorizanthe brevicornu Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 794 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  JOTR31101  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2359 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  JOTR36428  Chorizanthe corrugata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3401 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UCR18389  Chorizanthe corrugata Holly Hartman 1979-4-25 s.n. Riverside Western Colorado Desert, Painted Canyon in the Mecca Hills Comment
  SDSU13527  Chorizanthe fimbriata var. fimbriata W. Miller with C. Mosse 1972-7-20 Riverside Comment
  RSA574740  Chorizanthe leptotheca Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon, along Indian Wash, S of Di Palma Road and I-15. 366 Comment
  SD136789  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon, east side of Indian Wash between I-15 & Temescal Canyon Road, open sandy areas Comment
  RSA679814  Chorizanthe parryi var. parryi LeRoy Gross, Valerie Soza 2003-5-8 834 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  RSA543592  Chorizanthe polygonoides var. longispina Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6143 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR171971  Chorizanthe polygonoides var. longispina John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UCR174157  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32605 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
  RSA27503  Chorizanthe rigida I. L. Wiggins 1941-3-24 s.n. Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
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May 3 2014
  RSA516872  Chorizanthe rigida Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1350 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 and Box Canyon. Comment
  UCR60787  Chorizanthe rigida Steve Boyd, Orlando Mistretta 1986-3-13 1412 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  UC1929317  Chorizanthe staticoides Scott D. White, Justin Wood 2008-4-16 11886 Riverside Perris/Elsinore Basin; Hills to the W of I-215 and S of Scott Rd. Comment
  CAS-BOT-BC248057  Chorizanthe xanti var. leucotheca E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Temescal Canyon, between Corona and Elsinore 350 Comment
  JOTR16577  Chrysothamnus nauseosus subsp. mohavensis Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE TO STUBBE SPRING 1341 Comment
  POM10140  Chrysothamnus paniculatus P. A. Munz 1921-5-1 4544 Riverside Morongo Creek 915 Comment
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May 28 2011
  JOTR37496  Chylismia brevipes subsp. brevipes Hodges, Stephen R., L. Ashfield 2016-1-20 625 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  UC873881  Chylismia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6763 Riverside mesa Shafer Wells-Cottonwood Springs 25 Comment
  UC1334735  Chylismia cardiophylla subsp. cardiophylla C. W. Tilforth 1967-2-12 110 Riverside side canyon off Painted Canyon (e of Mecca); Colorado Desert 0 Comment
  CAS-BOT-BC160584  Chylismia claviformis subsp. aurantiaca P. D. Hurd 1963-4-11 344 Riverside Porcupine Wash, Joshua Tree National Monument Comment
  CAS-BOT-BC160585  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-15 11847 Riverside Box Canyon 4.5 miles east of turn of Painted Canyon 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
  SBBG61420  Chylismia walkeri subsp. tortilis M. N. Ackley -Mar-1928 762 Riverside between Indio and Palm Springs 60 Comment
  UC30787  Cirsium occidentale var. californicum H. M. Hall 1901-6-1 2286 Riverside vicinity of Chalk Hill San Jacinto Mountains 1584 Comment
  POM13216  Cistanthe ambigua E. C. Jaeger 1921-04 1130 Riverside Painted canyon, near Mecca. Comment
  UCR158277  Clarkia epilobioides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30094 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UC1532828  Clarkia purpurea Robert F. Thorne, Earl Lathrop 1975-5-25 45559 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro 609 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
  SBBG128624  Clarkia purpurea subsp. quadrivulnera S. R. Hill, A. C. Sanders 2001-5-4 33701 Riverside Temecula, along new gas line right-of-way, N of Del Ray Rd near jct with Calle Pina Colada 381 Comment
  UCR281530  Clarkia similis Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 89 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  UCR124325  Clarkia unguiculata C. J. Harker 1969-5-19 20 Riverside San Bernardino Valley/Peninsular Range, Riverside, Fairmont Park [probably North Hill, on south side of park -- ACS, '99] 244 Comment
  POM12718  Claytonia parviflora subsp. tenuifolia P. A. Munz 1922-6-30 5910 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  JOTR31041  Claytonia parviflora subsp. utahensis La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2025 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
  RSA543834  Claytonia perfoliata Steve Boyd, Orlando Mistretta 1991-5-22 6291 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR230211  Claytonia perfoliata A. C. Sanders 2011-4-6 38979 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
  UCR25765  Claytonia perfoliata subsp. perfoliata John C. Roos 1952-4-13 5533 Riverside N slope, on north side of Box Springs Mtns 396 Comment
  UCR240628  Clematis lasiantha Tracy Tennant, Mitch Provance 1998-6-16 MOR- 423 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA440789  Cleome isomeris F. A. Thackery 1928-5-7 179 Riverside Whitewater. Comment
  RSA556486  Cleome isomeris Julie Greene 1993-3-13 1050 Riverside West of Poleline Rd. 457 Comment
  HSC79029  Clinopodium chandleri R. A. Fawcett 1938-5-14 Riverside San Mateo Canyon S of Elsinore Comment
  POM128498  Collinsia heterophylla Thomas Craig 1927-4-23 209 Riverside Glen Ivy. Comment
  RSA180400  Collinsia heterophylla E. W. Lathrop 1960-4-8 4759 Riverside 14 miles W of Murrieta. Comment
  UCSB45533  Collinsia heterophylla Roos, John 1952-4-13 Riverside Box Springs Mts Comment
  SDSU13334  Collinsia heterophylla var. heterophylla Tom Duffy, Taria Sagar 2000-4-29 4 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North end. 320 Comment
  UCR241488  Collinsia parryi Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 249 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  POM122479  Collomia grandiflora Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  POM246591  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
  RSA76977  Colubrina californica I. M. Johnston 1930-6-15 3788 Riverside North of Mecca-Blythe road in canyons at SE end of Eagle Mountains Comment
  CAS-BOT-BC293686  Condea emoryi Mona Bourell 1987-4-14 3268 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  SBBG87664  Condea emoryi S. Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2102 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  CAS-BOT-BC215980  Convolvulus Steve Boyd; Tim Ross 1991-6-14 6405 Riverside Paloma Valley, between Sun city and Murrieta, E of Hwy I-215, rolling hills just SW of jtn of Briggs Rd. and Scott Rd. Comment
  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
  CAS-BOT-BC224364  Convolvulus simulans D. Bramlet 1993-4-14 2327 Riverside Gavilan Hills: Black Rocks Area. The site is 762m NE of Black Rocks and 1.2km south of Cajalco Road. The locality is 305m east of the existing orange groves 445 Comment
  UCR22133  Convolvulus simulans Steve Boyd 1980-3-22 297 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. 640 Comment
  RSA557351  Conyza bonariensis Julie Greene 1993-5-12 1296 Riverside North side of San Jacinto River levee, west of Davis Road. 433 Comment
  RSA575928  Conyza bonariensis Steve Boyd, Darin L. Banks 1994-9-29 8368 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR140710  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region, Alberhill Mountain, former clay mine area c. 1 mile SE of Alberhill 439 Comment
  UCR207782  Conyza coulteri O. F. Clarke 2005-9-18 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR110414  Conyza floribunda A. C. Sanders, Mitch Provance, T. B. Salvato, O. F. Clarke 1999-10-5 23134 Riverside Peninsular Range, Riverside, new O.F. Clarke residence on Frost Court (former Al Boyce residence), E edge of UCR campus 354 Comment
  JOTR29264  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 1377 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  SD136751  Cordylanthus rigidus subsp. setiger Steve Boyd, Tim Ross 1992-6-10 7644 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area due west of the juction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with main trunk of San mateo Creek 671 Comment
  RSA0018450  Cordylanthus rigidus subsp. setiger J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  UCR280944  Coreopsis californica Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 72 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  UCR29813  Coreopsis californica M. G. McLeod, D. J. Keil 1977-3-26 12010 Riverside Elsinore Basin, 8 mi. NW of Lake Elsinore State Recreation Area along Calif. Hwy 71 366 Comment
  JEPS30473  Coreopsis californica var. californica Peter H. Raven 1958-3-16 11870 Riverside 4.3 mi e of Cholla Cactus Garden, Joshua Tree National Monument Comment
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Jun 9 2012
  RSA660040  Corethrogyne filaginifolia Douglas A. Springer 1981-2-16 5 Riverside 5.9 miles E of Interstate 15, on Cajalco Rd. and 3.1 miles E of La Sierra Rd. Comment
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Jul 14 2013
  SDSU4694  Corethrogyne filaginifolia var. filaginifolia James C. Dice, J. D. Tenhumen 1987-9-9 723 Riverside Ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northwest 1/4 of northwest 1/4 of section 35. 378 Comment
  CAS-BOT-BC287227  Cotula australis Mrs. C. M. Wilder 1908-3-1 s.n. Riverside At Riverside Comment
  CAS-BOT-BC427596  Crassula aquatica P. A. Munz 1941-5-18 17069 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 853 Comment
  UCR24176  Crassula aquatica John C. Roos 1937-8-18 2535 Riverside San Jacinto Mtns, Hidden Lake Comment
  CHSC463  Crassula connata S. Westerberg 1938-4-1 Riverside Lake Elsinore. Comment
  UCR167077  Crassula connata Scott D. White 2005-3-29 10844 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UC72144  Cressa truxillensis Miss M. Alice King May, 1893 Riverside Elsinore Comment
  UCR139617  Cressa truxillensis A. C. Sanders 2004-7-1 28375 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  UCR89776  Cressa truxillensis 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
  JOTR29599  Crossosoma bigelovii Andre, Jim 2006-4-26 6756 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  NY268568  Crossosoma bigelovii S. B. Parish 1896-4-4 4185 Riverside Palm Springs, (Agua Caliente,) desert base of San Jacinto Mt. 152.4 Comment
  POM13080  Crossosoma bigelovii A. Gilman 1922-3-19 s.n. Riverside Andreas Canyon, Palm Springs Region. Comment
  RSA0034095  Croton californicus Duncan S. Bell 2013-1-30 4455 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA596674  Croton californicus D. L. Banks, Lauren Raz 1996-11-5 1185 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  SEINET9459115  Croton californicus I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 61 Comment
  POM87349  Croton californicus var. mohavensis Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA661303  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23082 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  SD181767  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23082 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 miles southeast of Highway 74 on Twin Pines Ranch Road; Lake Fulmor 7.5' quad. At margins of dried pool. 1182 Comment
  UCR119447  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23100 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA0089136  Cryptantha Mitch Provance 2003-4-5 403 -01 Riverside Jurupa Mountains, Sunnyslope neighborhood, east side of Sierra Blvd., north of west end of Lauren Ln., SW of Noname Mtn. 755 Comment
  RSA0124008  Cryptantha Duncan S. Bell, Thomas Stoughton 2016-4-13 9243 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  SEINET6971881  Cryptantha W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  HSC24855  Cryptantha angustifolia James Henrickson 1971-4-2 5476 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  JOTR28756  Cryptantha angustifolia La Doux, Tasha, Bill Truesdell 2004-3-11 1037 Riverside Joshua Tree National Park. Pinto Basin; between sand hills and parking lot for Turkey Flats 487 Comment
  JOTR30310  Cryptantha angustifolia La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1743 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  RSA676098  Cryptantha angustifolia Scott D. White 2001-4-3 8272 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  SD224873  Cryptantha angustifolia G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2668 Riverside Little San Bernadino Mtns, 3.2 mi. N of jct of Thousand Palms Canyon Rd. & Dillon Rd. Comment
  SEINET4568268 Image available Cryptantha angustifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4593 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC1922545  Cryptantha angustifolia Michael Honer, Dave Silverman 2005-3-18 2097 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Valley; appx. 3 mi. due E of Desert Center Airport. Comment
  POM184300  Cryptantha barbigera P. A. Munz 1932-3-14 11991 Riverside Palm Springs. 91 Comment
  RSA27902  Cryptantha barbigera C. L. Hitchcock 1940-4-3 5932 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  UC573091  Cryptantha barbigera Herbert L. Mason 1928-3-10 4228 Riverside Hidden Springs Canyon Coachella Mts. Comment
  UCR279331  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-23 42912 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
  RSA0094855  Cryptantha barbigera var. fergusoniae Jim M. Andre 2012-4-11 20681 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
  POM368352  Cryptantha circumscissa M. B. Dunkle 1933-5-6 3402 Riverside Colorado Desert. Dry Morongo Creek Comment
  UCR232396  Cryptantha costata Dave Silverman 2010-3-23 7819 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well 128 Comment
  RSA0078808  Cryptantha cycloptera Duncan S. Bell 2009-3-7 21 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  IRVC28515  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16139 Riverside Mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point & I-10 Coachella Valley 329 Comment
  UCR176721  Cryptantha decipiens A. C. Sanders, K. C. Rose 1995-4-27 16732 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
  GMDRC3553  Cryptantha dumetorum J. Andre, T. La Doux 2009-2-25 10822 Riverside Palen Dry Lake: Palen Dry Lake: SE margin of the playa, approx 40 mi. W. of Blythe, 6 mi. N. of I-10, E. of Desert Center. USGS 7.5 min. Quad: Sidewinder Well 33 deg. 42.637' N 115 deg. 12.163' W. Elev. 423 ft. 129 Comment
  CLARK-A1528-331  Cryptantha intermedia C. M. Flanagan 1973-5-31 OO 632 Riverside Morongo Indian Reservation 975 Comment
  POM368282  Cryptantha intermedia H. de Forest, Geo C. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA338016  Cryptantha intermedia F. R. Fosberg 1932-5-9 10637 ` Riverside St. Johns Grade near Hemet. 770 Comment
  RSA527836  Cryptantha intermedia Scott D. White 1991-5-10 91 -122 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA683088  Cryptantha intermedia Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8664 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA762387  Cryptantha intermedia Mitch Provance 2003-4-26 9896 Riverside northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 274 Comment
  SBBG37501  Cryptantha intermedia R. N. Muller 1967-4-8 3 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  UC164378  Cryptantha intermedia H. M. Hall 1901-6-1 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UC857161  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa Gavilan 700 Comment
  UCR117702  Cryptantha intermedia Mitch Provance 1998-6-11 679 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR238127  Cryptantha intermedia Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2043 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR43757  Cryptantha intermedia A. C. Sanders, B. Pitzer 1986-4-30 6491 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
  RSA650992  Cryptantha intermedia C. J. Humphrey, H. Humphrey 1936-6-6 373 Riverside Probably from Riverside Comment
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Dec 15 2011
  RSA676167  Cryptantha maritima Scott D. White 2001-4-3 8274 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA779784  Cryptantha maritima Duncan S. Bell 2010-4-2 693 A Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  UC1186496  Cryptantha maritima Peter M. Ray 1949-3-5 1334 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  UCR138588  Cryptantha maritima Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1318 Riverside Western Colorado Desert, Mecca Hills: Painted Canyon north of Hwy 195 Comment
  JEPS67968  Cryptantha micrantha W. L. Jepson 1901-5-19 1295 Riverside near Chalk Hill (on road to Strawberry Valley); San Jacinto Mt. 1676 Comment
  JOTR29592  Cryptantha micrantha Andre, Jim 2006-4-26 6769 Riverside Joshua Tree National Park. ridgetop W of upper Long Canyon, approx 0.5 mi. S. of radio tower and of NE corner (boundary) of park 1324 Comment
  POM15215  Cryptantha micrantha Mary F. Spencer 1922-4-4 1918 Riverside Palm Springs. 122 Comment
  UC24836  Cryptantha micrantha Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCR79234  Cryptantha micromeres Steve Boyd, Orlando Mistretta 1992-4-23 7060 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon 305 Comment
  SBBG118781  Cryptantha microstachys S. D. White 1999-6-6 7442 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  UCR100438  Cryptantha microstachys B. G. Pitzer 1997-4-11 3118 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  POM368266  Cryptantha muricata Lester H. Cushman 1933-4-20 s.n. Riverside Corona 274 Comment
  RSA499703  Cryptantha muricata var. jonesii Christopher Davidson, Robert Gustafson 1977-4-7 5578 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  SD247358  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mountins; head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1.0 mile SE of Oak Glen Conservation Camp. 1341 Comment
  RSA617203  Cryptantha nevadensis L. C. Wheeler 1953-3-31 7035 Riverside Near Mountaineer Mine. Comment
  RSA722354  Cryptantha nevadensis J. R. Bruff 1927-3-12 3 -M Riverside Fingal Comment
  SBBG6270  Cryptantha nevadensis var. nevadensis C. H. Muller 1952-4-6 9501 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  UCR267893  Cryptantha nevadensis var. nevadensis Jim Andre 2013-3-4 23858 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UCR25962  Cryptantha utahensis John C. Roos 1948-5-1 3816 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater, N slope on a mountainside 549 Comment
  UCR271362  Cucurbita foetidissima A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42465 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road, in canyon south of the lab near old original house site 475 Comment
  JOTR35025  Cucurbita palmata La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3106 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  UCR277524  Cuscuta Mitch Provance 2011-6-28 17201 Riverside Perris Plain, Perris, near the southwest corner of the intersection of Perris Blvd. and the Ramona Expressway 446 Comment
  RSA653582  Cuscuta campestris A. C. Sanders, D. E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23171 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  CAS-BOT-BC59392  Cylindropuntia acanthocarpa var. acanthocarpa Roxana S. Ferris 1928-4-21 7179 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SEINET4604342 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17728 Riverside Chuckwalla Mountains, Corn Springs Wash, 4 km west of Aztec Well, 75 km east of Indio; Desert Center 7.5' USGS topographic quadrangle 727 Comment
  UCR262461  Cylindropuntia californica Julie Nguyen 2013-4-6 03 Riverside Riverside, Sycamore Canyon Wilderness Park, c. 1 mile from Hwy 60 427 Comment
  SD229116  Cylindropuntia californica var. parkeri Dick Schwenkmeyer 2012-3-26 668 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCR249652  Cylindropuntia munzii A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40509 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  SEINET2449498  Cylindropuntia ramosissima Sears 1978-3-16 811 Riverside 10 mi N of Blythe along road to Midland. Forrhills of the Big Maria Mts.; 0 229 Comment
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Nov 18 2015
  RSA771109  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4729 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65122 604 Comment
  RSA564024  Cyperus involucratus M. A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Tahquitz Creek and behind the debris basin dam in Palm Springs. 183 Comment
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Nov 19 2010
  UCR272473  Cyperus laevigatus Mitch Provance 2012-8-1 712- 03 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  POM158185  Cyperus odoratus I. M. Johnston 1928-9-6 11270 Riverside Santa Ana River, Ontario - Corona road. Comment
  CSUSB1205  Dalea californica Patricia Healy 1968-5-4 Riverside Whitewater Canyon in a riparian wash 1.5 miles from highway 60. Comment
  SEINET2066052 Image available Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-22 5755 Riverside NE Riverside Co., transition between Ward and Rice Valleys, south of Danby Lake, S of HWY 62, along Colorado River Aqueduct (East of Granite Pass 7.5Q). 277 Comment
  RSA404179  Dalea mollissima Anstruther Davidson 1922-3-1 3484 Riverside Palm Springs Comment
  UC68519  Dalea mollissima H. M. Hall Apr., 1905 5792 Riverside Colorado Desert 30 Comment
  UCR139720  Dalea mollissima B. G. Pitzer 1989-4-16 1296 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  CLARK-A1656-794  Dalea schottii Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 853 Comment
  POM182346  Dasyochloa pulchella Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  RSA424561  Datisca glomerata T. S. Elias, S. D. Boyd, K. Tan 1986-7-23 10154 Riverside Santa Rosa Plateau: along Cole Creek. 610 Comment
  RSA500211  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3532 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA619540  Daucus pusillus D. L. Banks 1997-5-5 1989 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR152646  Daucus pusillus A. C. Sanders 2005-4-22 29583 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  OBI16266  Deinandra fasciculata Robert F. Hoover 1968-6-6 11151 Riverside 1 mi E of Perris Comment
  RSA674656  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  SBBG118794  Deinandra paniculata S. D. White 1999-10-7 7625 Riverside Menifee/Sun City area: S of McColl Ave and E of I-215 freeway; T5S R3W S27 440 Comment
  SD234296  Deinandra paniculata Mitch Provance 2003-6-7 7606 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  RSA278562  Delphinium parishii T. C. Emmel 1961-3-21 s.n. Riverside Chino Canyon Comment
  JEPS5521  Delphinium parryi W. L. Jepson May 17 1901-Jun 1 1901 1429 Riverside Van Deventer's Ranch San Jacinto Mts. Comment
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Nov 9 2009
  RSA398774  Delphinium parryi Emery M. Whilton 1938-5-15 s.n. Riverside Lake Elsinore. Comment
  RSA618173  Delphinium parryi D. L. Banks 1997-5-5 2013 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA798761  Delphinium parryi subsp. parryi Jason Koontz, Jennifer Pilapil 2012-5-18 290 Riverside Hemet. Bautista Road, just north of where it crosses Bautista Creek. Near (northwest of) De Anza trail parking area. North-north east-facing slope. 672 Comment
  UCR138886  Delphinium parryi subsp. parryi D. L. Banks 1997-4-5 1697 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  RSA336172  Deschampsia danthonioides R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52003 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR60714  Deschampsia danthonioides var. gracilis R. F. Thorne 1973-5-23 43872 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCR24985  Deschampsia elongata A. C. Sanders 1980-8-23 1762 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  OBI23316  Descurainia Robert F. Hoover 1969-4-14 11241 Riverside Palm Springs, just S of South city limit Comment
  UC218017  Descurainia obtusa subsp. adenophora P. A. Munz 1922-6-30 5906 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  UCR59505  Descurainia pinnata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3242 Riverside Peninsular Range, Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 488 Comment
  RSA523966  Dichelostemma capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4012 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA771749  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4611 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CSUSB26  Dichelostemma pulchellum Karen Cook 1966-2-22 Riverside University of California, Riverside (UCR) campus. 200 yards southeast of intersection of street leading to agriculture buildings. 304 Comment
  RSA314491  Dicoria canescens R. F. Thorne 1982-10-8 55356 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA643295  Dicoria canescens R. D. Goeden, D. W. Ricker 1986-5-29 s.n. Riverside Coachella Valley: Indio, Monroe St. -6 Comment
  RSA696746  Dicoria canescens J. Russell Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  SFV4385  Dicoria canescens F. M. Ball 1964-1-4 s. n. Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  UC892747  Dieteria asteroides var. asteroides Duranto Street 1918-5-13 1 Riverside near Hemet 335 Comment
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Mar 24 2011
  SEINET197422 Image available Diplacus bigelovii var. bigelovii Helen K. Sharsmith 1952-1 4061 Riverside Lost Palms Canyon, Eagle Mountains, ca 2 mi from Shaver Summit 671 Comment
  CAS-BOT-BC150676  Diplacus longiflorus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CAS-BOT-BC195678  Distichlis spicata A. C. Sanders 1993-4-1 13659 Riverside Western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 3/4 mi. NE of the intersection of Florida Ave. (Hwy 74) and Warren Rd., just S of Tres Cerritos 460 Comment
  UCR245988  Ditaxis neomexicana Duncan S. Bell 2012-9-13 4188 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
  CHSC506  Dithyrea californica E. Thomas 1940-3-3 Riverside Near Salton Sea. 60 Comment
  RSA530735  Dithyrea californica George B. Grant 1906-4-8 s.n. Riverside Palm Springs. Comment
  RSA676143  Dithyrea californica Scott D. White 2001-4-12 8301 Riverside Colorado Desert: Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UC1595800  Dithyrea californica W. Wisura, J. Dolan, and M. Wall 1992-3-25 4652 Riverside 2.7 mi s prison on Wileys Well Rd. Comment
  UC877529  Dodecatheon alpinum P. A. Munz 1922-7-6 5993 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  RSA728149  Dodecatheon clevelandii Daphne K. Christopher, Hannah Stevens 2003-4-8 119 Riverside Santa Rosa Plateau Nature Conservancy Preserve. 556 Comment
  SBBG103911  Dodecatheon clevelandii S. D. White 1993-4-20 1213 Riverside ridge SE of Estelle Peak, Gavilan Hills 792 Comment
  UCR23186  Downingia bella Melody Lardner 1981-5-31 196 Riverside Santa Ana Mtns, Tenaja Rd., 2.5 mi from the corner of Calle Collina Rd. and Tenaja Rd., 0.5 mi east of Squaw Mtn 610 Comment
  POM12885  Draba saxosa P. A. Munz 1922-7-7 6043 Riverside Summit of San Jacinto Peak. 3287 Comment
  POM11656  Dryopteris arguta P. A. Munz, I. M. Johnston 1922-5-19 5391 Riverside 3 miles west of Keen Camp. 1494 Comment
  RSA751922  Dryopteris arguta Scott D. White, Justin M. Wood 2009-5-22 12926 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  UCR270407  Dudleya abramsii subsp. abramsii John F. Emmel 2000-7-4 1664 Riverside Santa Rosa Mountains, Santa Rosa Mountain Road, on ridge top 0.3-0.4 air mile south and 0.9-1.0 air mile west of peak of Santa Rosa Mountain 2171 Comment
  UCSB16236  Dudleya cymosa Hargreaves, Bruce 1963-5-5 Riverside 5.7 mi. SE of Pinyon Campground on California State Highway 74 762 Comment
  UCR130867  Dudleya lanceolata Mitch Provance 1998-6-10 636 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  RSA590724  Dudleya multicaulis R. E. Riefner 1996-5-16 96 -72 Riverside East side of Temescal Wash, community of El Cerrito Comment
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Jul 13 2010
  JOTR32293  Dudleya saxosa subsp. aloides Herskovits, Tasya, M. Harding, D. Oquendo 2011-5-5 7 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Steep, rocky/gravelly side drainage of main canyon (Stop 4) 1371 Comment
  UCR281810  Dysphania ambrosioides Mitch Provance 2012-11-9 1112- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR86035  Dysphania pumilio Michael A. Patten 1992-5-7 92- 26 Riverside Santa Ana mtns., Santa Rosa Plateau, along Via Vaquero at Via Oesta, c. 5 km. west of Temecula 399 Comment
  SBBG94680  Echinochloa colona S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 airline mi SW of Temecula; T8S, R 3W on line between S 22 and 27 374 Comment
  UCR182093  Ehrharta longiflora Tom Chester 2005-4-15 580 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side 239.3 Comment
  RSA770879  Eleocharis geniculata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4602 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR90340  Eleocharis montevidensis Scott D. White 1995-6-29 3409 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA714377  Eleocharis parishii T. B. Salvato, John Green 2004-5-27 605 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  UC1172  Eleocharis parishii H. M. Hall Jun 1901 2013 Riverside San Jacinto Mtns; Colorado Desert Comment
  CSUSB446  Elymus condensatus D. Gordon 1952-6-12 Riverside Near Corona (city). Comment
  JOTR31140  Elymus elymoides subsp. elymoides La Doux, Tasha 2009-6-3 1851 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  CLARK-A1528-4605  Elymus glaucus John C. Roos 1937-5-10 2336 Riverside Lake Elsinore Comment
  UCR156351  Elymus glaucus T. B. Salvato, Kent Beaman 2005-5-16 876 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  POM259163  Elymus glaucus subsp. glaucus P. A. Munz 1938-8-14 15350 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SEINET4208316  Elymus glaucus subsp. glaucus Steve Boyd, Tim Ross 1992-6-10 7641 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 671 Comment
  RSA585814  Emmenanthe penduliflora D. L. Banks, Steve D. Boyd 1995-5-9 348 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA613640  Emmenanthe penduliflora D. L. Banks, Victor W. Steinmann 1997-3-13 1479 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
  RSA784785  Emmenanthe penduliflora Duncan S. Bell 2012-3-18 3189 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
  SD38509  Emmenanthe penduliflora Edith A. Purer 1935-4-21 6470 Riverside Near Palm Springs Comment
  UC667294  Emmenanthe penduliflora Annie M. Alexander and Louise Kellogg 1941-5-11 2147 Riverside 1.5 miles north of Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  SDSU3826  Encelia actoni H. Wedberg 1963-5-25 1066 Riverside 0.5 mile from Cranston Ranger Station on road to Mountain Center and Idyllwild, San Jacinto Mountains. 610 Comment
  LA202451  Encelia farinosa Harlan Lewis; 1936-4-18 sn Riverside White Water 304 Comment
  RSA160038  Encelia farinosa David B. Dunn 1948-1-25 3647 Riverside NE of the top of the grade E of Riverside, California 5miles out Comment
  SBBG115966  Encelia farinosa D. W. Kyhos 1965-3-13 65 -111 Riverside ca. 6.2 mi W of jct of Hwy St 78 and US Hwy 60-70, near Blythe Comment
  SFV5024  Encelia farinosa F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  UCD131200  Encelia farinosa Nancy Ryan Zabriskie 1969-4-1 173 Riverside Andreas Canyon, near Palms Springs. 152 Comment
  UCD131203  Encelia farinosa Curtis Clark 1975-3-22 452 Riverside road to Joshua Tree National Monument, north of Interstate Highway 10, south of Monument boundary. Comment
  UCR232048  Encelia farinosa John F. Green 2008-4-15 0408- 11 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  POM356685  Encelia farinosa var. farinosa L. E. Hoffman 1933-2-18 s.n. Riverside Above Garnet, Coachella Valley Comment
  RSA308544  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3151 Riverside 10 miles east of Indio. Comment
  RSA38703  Encelia farinosa var. farinosa Percy C. Everett 1945-6-7 11507 Riverside Roadside on dry gentle slope in Franciscan sand stone, Santa Ana Mts, Indian Canyon, 0.5 miles above US Forest Service gate on Indian Canyon True. 457 Comment
  POM93893  Encelia farinosa var. farinosa F. W. Peirson 1922-4-9 1331 Riverside Palm Canyon Region, near Palm Springs. Comment
  UCR60770  Encelia farinosa var. phenicodonta Steve Boyd, O. Mistretta 1986-3-13 1470 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UC68862  Encelia frutescens H. M. Hall 1905-4-1 5939 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  UCR262466  Enchylaena tomentosa A. C. Sanders 2015-6-27 41744 Riverside Peninsular Range, Riverside; former O.F. Clarke residence, 266 Frost Court; east edge of UCR campus Comment
  LA6769  Ephedra californica J. A. Ewan; 1932-4-8 7047 Riverside San Bernardino Mountains, Whitewater Canyon, about 3 mi above mouth Comment
  RSA0098480  Ephedra californica Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18292 Riverside Chuckwalla Bench, 64 km WSW of Blythe, 3.9 km south of Augustine Pass. 660 Comment
  RSA383875  Ephedra californica Christopher Davidson, B. Gustafson 1977-4-7 5575 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  CAS-BOT-BC81682  Ephedra fasciculata James R. Shevock 1978-4-8 5780 Riverside along Calif. highway 195, [approximatley] approximately 3 miles from Interstate 10, west of Chiriaco Summit. Box Canyon 304 Comment
  SEINET6082341  Ephedra nevadensis Unknown 1956-2-24 7175 Riverside Pines to Palms Highway. Ca 0.45 mi downhill from the 3000 ft. marker. Comment
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Oct 24 2015
  UCR91062  Ephedra nevadensis Bern Schwenn 1994-2-20 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Little San Bernardino Mtns. 'Hidden Gold' Canyon near the Hidden Gold Mine. Along a wash edge in S18. 915 Comment
  UCR141255  Epilobium canum A. C. Sanders, Kelly Volansky 2004-10-6 28821 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  RSA692222  Epilobium canum subsp. latifolium Scott D. White 2003-10-9 9817 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  SDSU13551  Epilobium ciliatum subsp. ciliatum W. Miller, C. Mosse 1972-7-11 Riverside Comment
  UC472831  Epilobium glaberrimum subsp. glaberrimum Mary Fiske Spencer 1919-7-1 Riverside Idyllwild San Jacinto Mt. 1584 Comment
  OBI5914  Epilobium oregonense Carl B. Wolf 1932-8-5 3961 Riverside On trl from Tahquitz Valley to San Jacinto Peak head of a fork of Tahquitz Crk 2743 Comment
  RSA92723  Epilobium pygmaeum J. C. Roos 1952-5-14 5662 Riverside Edgemont, near Box Springs. 488 Comment
  SD28076  Epipactis gigantea Carl B. Wolf 1932-5-25 3662 Riverside North base of San Jacinto Mountains, mouth of east fork of Snow Creek Canyon. Rocks at water's edge. 671 Comment
  UCSC001069  Equisetum hyemale subsp. affine Peter Kamb 1948-10-31 1277 Riverside Hall Canyon, San Jacinto Mts 1646 Comment
  POM11741  Equisetum laevigatum P. A. Munz, I. M. Johnston 1922-5-21 5483 Riverside Kenworthy, San Jacinto Mountains 1448 Comment
  UCR159110  Eragrostis A. C. Sanders 1997-12-3 21627 Riverside Moreno Valley, March Air Base, near Riverside 466 Comment
  CLARK-A1528-4628  Eragrostis cilianensis John C. Roos 1965-7-7 Riverside San Jacinto Comment
  UCR23991  Eragrostis curvula var. curvula John C. Roos 1965-9-16 s.n. Riverside Lakeview Comment
  UCR230605  Eragrostis mexicana subsp. mexicana A. C. Sanders 2011-9-15 39891 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  RSA782085  Eremalche rotundifolia Duncan S. Bell 2009-3-7 2 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UC724382  Eremalche rotundifolia Aven and Ruth Nelson 1939-3-29 3317 Riverside s. of Mecca (Hidden Springs Canyon) Comment
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Jul 14 2012
  RSA33664  Eremocarpus setiger N. C. Cooper 1943-9-10 900 Riverside Banning. 610 Comment
  RSA586937  Eremocarpus setiger D. L. Banks, Peter Morrell 1995-5-4 0303 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, along Arroyo Seco. 597 Comment
  SD258953  Eremothera boothii subsp. condensata Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7644 Riverside Mecca Hills: Hills around Shaver's Well, along Box Canyon Road, south edge of Shaver's Valley, eastnortheast of Mecca. 294 Comment
  UC354496  Eremothera refracta Edmund C. Jaeger 1926-2-20 Riverside near Niland; Salt Creek Wash, Canyon Springs Comment
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Jan 21 2008
  UCR279336  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-23 42921 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
  CAS-BOT-BC514313  Eriastrum densifolium subsp. austromontanum Scott D. White 1996-8-1 4403 Riverside San Jacinto Mts.: Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1828 Comment
  UC218262  Eriastrum densifolium subsp. austromontanum P. A. Munz 1922-7-1 5927 Riverside Old Nicholas Canyon Santa Rosa Mts. 1524 Comment
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Jun 4 2009
  UCR126207  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-5-29 123 Riverside San Jacinto Mtns., Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 683 Comment
  UCSB44669  Eriastrum densifolium subsp. mohavense D. Hibbard 1977-5-16 42 Riverside NW SIDE OF CA HWY 72 (11.8 MI FROM JCT WITH HWY L11) 1036 Comment
  UC1329878  Eriastrum eremicum subsp. eremicum James E. Cole 1941-5-21 770 Riverside Ruby Lee Mill Site Joshua Tree National Monument 914 Comment
  CAS-BOT-BC514457  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11089 Riverside Between Edom and Garnet, east of San Gorgonio Pass Comment
  RSA0120098  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11010 Riverside Palm Springs. Comment
  SBBG35228  Eriastrum filifolium T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet 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
  UCR55269  Eriastrum sapphirinum Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., Bautista Canyon, lower end of Bautista Rd. Comment
  RSA0121561  Eriastrum sapphirinum subsp. dasyanthum Kathy Harper 1988-6-11 s.n. Riverside Bautista Canyon, lower end of Bautista Rd. Comment
  RSA0121592  Eriastrum sapphirinum subsp. dasyanthum F. W. Peirson 1920-6-22 4708 Riverside Temescal Canyon. 305 Comment
  RSA0122953  Eriastrum sapphirinum subsp. dasyanthum Orlando Mistretta 1992-6-10 510 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  POM359340  Ericameria cuneata var. spathulata Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  RSA773195  Ericameria cuneata var. spathulata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4886 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
  UCD131421  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-30 491 Riverside West of Sugarload Mountain along Carrizo Road (6S03); northwest of Hwy 74, Santa Rosa Mountains. 1219 Comment
  RSA91784  Ericameria linearifolia F. W. Peirson 1921-3-21 2380 Riverside Gordon trail from Andreas Canyon to San Jacinto Peak. 915 Comment
  CAS-BOT-BC299536  Ericameria paniculata W R O 1973-9-23 73 -641 Riverside 1/4 mile south of aquaduct road on road to gravel pit N.E. of Granite Mtn. Comment
  LA27286  Ericameria paniculata Lewis S. Rose; 1946-12-25 46307 Riverside San Gorgonia Pass, 5 mi. E of Cabazon, Comment
  UCR94944  Ericameria parryi Scott D. White 1996-8-16 4488 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA604748  Ericameria pinifolia A. C. Sanders, J. C. Lyman 1995-4-16 16558 Riverside Glen Avon: Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  UC219263  Erigeron divergens P. A. Munz and I. M. Johnston 1922-5-20 5469 Riverside Kenworthy San Jacinto Mts. 1402 Comment
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Mar 25 2011
  RSA751929  Erigeron foliosus Scott D. White, Justin M. Wood 2009-5-21 12837 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  CAS-BOT-BC296240  Erigeron foliosus var. foliosus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA304953  Erigeron foliosus var. foliosus E. R. Hobbs 1978-7-17 78 -121 Riverside Creek banks, Avery Canyon, betw Santa Rosa Hills and Polly Butte, N side of Gibbel road, S of Hemet Comment
  CLARK-A1528-4619  Eriochloa acuminata John C. Roos 1951-9-25 5294 Riverside Riverside 259 Comment
  RSA659721  Eriochloa acuminata var. acuminata J. C. Roos 1937-11-28 s.n. Riverside East Washington St., Riverside. Comment
  UC24074  Eriodictyon crassifolium H. M. Hall June, 1901 2006 Riverside western base San Jacinto Mountains; western base San Jacinto Mountains Comment
  UCR174617  Eriodictyon crassifolium Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 348 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCSB5275  Eriodictyon crassifolium Nowell, J. 1958-5-18 Riverside 4 mi. from Banning on Banning-Idyllwild Road 609 Comment
  SD229192  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 901 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  UCSB9700  Eriodictyon trichocalyx var. trichocalyx Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon Comment
  RSA519152  Eriogonum Scott D. White 1990-10-2 s.n. Riverside Vail Lake area: Hwy 79, immediately W of Dripping Springs Guard Station. 488 Comment
  RSA160559  Eriogonum apiculatum J. D. Olmsted 1959-10-23 1070 Riverside On Idyllwild Banning road, 2 miles S of turnoff to Poppett Flat. San Jacinto Mts to San Jacinto River. 1280 Comment
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Nov 19 2011
  SEINET3289843 Image available Eriogonum apiculatum M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1454 Riverside Peninsular Ranges; San Jacinto Mountains region: East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  UC597726  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, n end Santa Rosa Mts. Santa Rosa Mts. 1097 Comment
  UCR146124  Eriogonum apiculatum Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1454 Riverside Peninsular Ranges; San Jacinto Mountains, East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  UCR24319  Eriogonum apiculatum John C. Roos 1937-8-18 2532 Riverside San Jacinto Mountains, Above Idyllwild Comment
  POM158449  Eriogonum davidsonii P. A. Munz 1927-5-21 10860 Riverside Coahuila Valley. Comment
  POM273443  Eriogonum davidsonii Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  UCR89690  Eriogonum davidsonii G. R. Ballmer 1992-5-17 92 35 Riverside Santa Rosa Mtns, Deep Canyon, trail from Hwy 74 to bottom of canyon, in vicinity of Pinyon Crest 915 Comment
  CAS-BOT-BC256119  Eriogonum deflexum var. deflexum Roxana S. Ferris 1918-6-19 1014 Riverside Along Colorado River 7 miles south of Palo Verde Comment
  CAS-BOT-BC256128  Eriogonum deflexum var. deflexum Aven Nelson; Ruth Nelson 1939-3-29 3325 Riverside Hidden Springs Canyon, not far from Mecca Comment
  RSA517915  Eriogonum deflexum var. deflexum Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1333 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  RSA799254  Eriogonum deflexum var. deflexum Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 734 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  RSA65154  Eriogonum elongatum F. W. Peirson 1933-4-15 10651 Riverside Whitewater River, 4.5 miles above the bridge. 701 Comment
  SD229217  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-10-16 927 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UC64565  Eriogonum elongatum var. elongatum H. M. Hall 1897-8-28 865 Riverside Riverside Comment
  GMDRC2587  Eriogonum fasciculatum subsp. flavoviride J. Andre, T. La Doux 2008-3-21 8829 Riverside Little San Bernardino Mountains: JTNP: Upper Cottonwood Cyn, approx 2 mi. S. of Cottonwood visitor's center.. Elev. 2890 ft. 881 Comment
  RSA38488  Eriogonum fasciculatum var. foliolosum Percy C. Everett 1945-11-13 11513 Riverside Bear Spring, Main Divide Motorway, Santa Ana Mountains. 1220 Comment
  CAS-BOT-BC167187  Eriogonum fasciculatum var. polifolium Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  CAS-BOT-BC250141  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below fish hatchery 548 Comment
  SJSU9158  Eriogonum fasciculatum var. polifolium G. E. Eberle 1962-12-27 83 Riverside by Riverside campus of Univ of Calif Comment
  UCR135730  Eriogonum fasciculatum var. polifolium Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  CAS-BOT-BC253497  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6614 Riverside Along Morris Ranch Road, 1.9 mile northeast of California Highway 74 and about 1.5 mile northeast of Kenworthy Guard Statoin, about 8 airline miles southeast of Mountain Center, San Jacinto Mountains 1584 Comment
  UCR137050  Eriogonum gracile A. C. Sanders 2004-5-5 27757 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
  SD136783  Eriogonum gracile var. gracile Steve Boyd 1994-10-14 8382 Riverside San Mateo Canyon Wilderness Area of the Cleveland Nartional Forest. San Mateo Canyon at the confluence with Bluewater Canyon 328 Comment
  UCR278854  Eriogonum gracile var. gracile Mitch Provance 2012-7-14 712- 23 Riverside San Gorgonio Pass, Banning, remnant of Montgomery Creek, N side of Westward Ave, between Lovell St. and April Ln. 716 Comment
  UC1929522  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside [Peninsular Ranges; San Jacinto Mountains region]; Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Near 1477 Comment
  RSA795943  Eriogonum inflatum Duncan S. Bell 2009-4-19 277 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET4087516  Eriogonum inflatum G. T. Manthey 1977-1 1630 Riverside Road leading from Mecca to Joshua Tree National Monument. Comment
  POM122054  Eriogonum inflatum var. deflatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UC849551  Eriogonum inflatum var. inflatum I. W. Clokey, B. C. Templeton 1930-4-9 4683 Riverside n Palm Springs; Colorado Desert 170 Comment
  RSA785068  Eriogonum maculatum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 76 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  UC849229  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 mi ne along 29 Palms Road Cottonwood Springs; Joshua Tree National Monument Comment
  RSA783818  Eriogonum molestum var. davidsonii John Olmsted 1958-9-21 206 Riverside Dark Canyon just above its intersection with Banning Idyllwild road. Comment
  UC667355  Eriogonum nidularium Annie M. Alexander and Louise Kellogg 1941-5-15 2188 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  CAS-BOT-BC258050  Eriogonum plumatella Edmund C. Jaeger No date on label s.n. Riverside Dry Morongo Canon [Canyon] Comment
  JEPS56474  Eriogonum pusillum W. L. Jepson 1928-4-25 12605 Riverside in wash below Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  JOTR36475  Eriogonum pusillum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3409 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA64582  Eriogonum pusillum F. W. Peirson 1933-4-13 10642 Riverside Deep Canyon to Idyllwild, Santa Rosa Mountains 1372 Comment
  PASA1491  Eriogonum reniforme Margaret Stason 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
  CAS-BOT-BC263504  Eriogonum thomasii J. Wear; N. Moorhatch 1993-6-11 s.n. Riverside Mecca Hills 60 Comment
  CAS-BOT-BC263505  Eriogonum thomasii Noel H. Holmgren; Patricia K. Holmgren 1974-3-23 7468 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 243 Comment
  CAS-BOT-BC263511  Eriogonum thomasii R. Bacigalupi No date on label. 107 Riverside Eagle Canyon Comment
  CAS-BOT-BC263519  Eriogonum thomasii Frank W. Peirson 1927-4-12 7171 Riverside Painted Canyon Comment
  CAS-BOT-BC263528  Eriogonum thomasii Ivan Johnston 1917-4-4 1091 Riverside Near Palm Springs, Colorado Desert Comment
  JOTR28938  Eriogonum thomasii La Doux, Tasha 2005-3-30 1174 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA424962  Eriogonum thomasii Robert L. Dressler 1949-3-19 382 Riverside Box Canyon, Orocopia Mts. Comment
  UCR167236  Eriogonum thomasii 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
  UCR20834  Eriogonum thomasii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1322 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
  UC535090  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside s Palm Springs Comment
  RSA125850  Eriogonum wrightii var. nodosum E. K. Balls, Percy C. Everett 1957-11-13 22799 Riverside Snow Creek, n. side of valley 701 Comment
  CAS-BOT-BC261931  Eriogonum wrightii var. subscaposum J. Ewan 1930-8-31 2133 Riverside North rim Tahquitz Valley, San Jacinto Mts. 2651 Comment
  UCR75080  Erioneuron pulchellum A. C. Sanders, E. J. Lawlor 1992-4-4 12133 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CLARK-A1045-348  Eriophyllum confertiflorum George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along highway north of Rainbow, at Riverside County Line; chaparral; ; Temecula 7.5'Q Comment
  RSA653355  Eriophyllum confertiflorum Robert MacGregor 1984-5-19 11 Riverside Ca Hwy 79, 1.4 miles S of junction with CA Hwy 371, S side of road. Comment
  UCR101334  Eriophyllum confertiflorum A. C. Sanders 1997-4-10 20331 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR174265  Eriophyllum confertiflorum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32670 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road 549 Comment
  POM230230  Eriophyllum multicaule I. W. Clokey 1933-4-18 6987 Riverside Gavilan [Peak] 600 Comment
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Oct 30 2011
  UCR51838  Eriophyllum multicaule I. W. Clokey 1935-4-18 6987 Riverside Gavilan Plateau, Gavilan 600 Comment
  POM12955  Eriophyllum wallacei P. A. Munz, I. M. Johnston 1922-5-21 5533 Riverside Hemet Valley. 1433 Comment
  RSA0035938  Eriophyllum wallacei Deidre Conocchioli, Duncan S. Bell 2014-3-4 151 A Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA650518  Erodium botrys David B. Dunn, Lint 1955-4-1 11845 Riverside About two miles east of Cabazon, along the railroad right of way. 488 Comment
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May 24 2012
  SD143857  Erodium brachycarpum A. C. Sanders, G. Waines, et al. 1997-3-12 19842 Riverside Lake Skinner area: Lower Rawson Canyon, along road northeast of Skinner Lake. 456 Comment
  RSA793528  Erodium cicutarium Naomi S. Fraga, David Fraker, Tommy Stoughton 2012-3-15 3951 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UCR97502  Erodium moschatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19874 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  HSC78564  Erysimum capitatum A. C. Sanders 1980-7-18 1651 Riverside Thomas Mtn., campground to the summit at the lookout 1982 Comment
  SEINET4326803 Image available Erysimum capitatum Carl B. Wolf 1932-8-4 Riverside Peninsular Ranges: San Jacinto Mtns; Point View near Idyllwild [= Vista Grande?] 1646 Comment
  RSA0015880  Erythranthe moschata M. B. Dunkle 1933-7-21 3727 Riverside Idyllwild. 1616 Comment
  JOTR30146  Eschscholzia La Doux, Tasha 2008-2-4 1711 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  UCD96497  Eschscholzia androuxii Shannon M. Still 2009-4-19 547 Riverside California. Riverside County: Joshua Tree National Park. Next to stone outcropping off of Old Dale Road. 722 Comment
  UCD96518  Eschscholzia androuxii Shannon M. Still; Robert Lee 2009-3-3 458 Riverside California. Riverside County: Joshua Tree National Park. Smoke Tree Wash. 847 Comment
  RSA0022971  Eschscholzia androuxii Percy C. Everett, E. K. Balls 1958-5-7 23114 Riverside S end Joshua Tree National Monument 1067 Comment
  CAS-BOT-BC403363  Eschscholzia californica W. G. Wright 1889-6-1 s.n. Riverside San Gorgonio Pass Comment
  RSA433687  Eschscholzia californica H. Twining 1890-03 s.n. Riverside Riverside Comment
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Oct 27 2011
  UC56225  Eschscholzia californica H. M. Hall Apr. 1903 3713 Riverside Vicinity of Riverside 396 Comment
  CAS-BOT-BC83136  Eschscholzia minutiflora Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2116 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  UC1595754  Eschscholzia minutiflora W. Wisura, J. Dolan, and M. Wall 1992-3-24 4630 Riverside 10.0 mi ne Mecca (on Box Canyon Rd.); Lowdesert Comment
  UCR148460  Eschscholzia minutiflora S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  UCR245964  Eschscholzia minutiflora Duncan S. Bell 2009-3-8 90 Riverside Arica Mountains, west side of range in main drainage, c. 2.5 air miles west of Priest Well, or c. 7 air miles SW of ghost town of Rice 420 Comment
  UCR249659  Eschscholzia minutiflora T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7296 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCSB18762  Eschscholzia minutiflora Gates, C. 1963-5-5 Riverside State Highway 74; 5.5 miles E of Pinyon Flats Campground; western edge of Colorado Desert 883 Comment
  UCSB3648  Eschscholzia minutiflora Beeks, Richard 1952-4-4 Riverside 7 mi N or Mecca; in Box Canyon Comment
  CAS-BOT-BC419612  Eschscholzia parishii P. C. Everett; E. K. Balls 1958-4-29 23013 Riverside U.S. Hwy. 60/70, Indio to Blythe, 1 mi. w. of Cactus City 548 Comment
  CAS-BOT-BC419613  Eschscholzia parishii Milo S. Baker 1928-4-3 3243 a Riverside Palm Sps Canon [Canyon] Comment
  UC1060520  Eschscholzia parishii Richard Snow 1953-4-5 50 Riverside Corn Spring Comment
  UCR89813  Eucalyptus camaldulensis Scott D. White 1994-1-27 1929 Riverside Murrieta 'California Oaks Detention Basin.' Intermittent 'blueline' stream west of Interstate Hwy 15 and south of Clinton Keith Road. Comment
  RSA615095  Eucrypta chrysanthemifolia D. L. Banks 1997-3-29 1584 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCD119344  Eucrypta chrysanthemifolia C. L. Hitchcock 1966-3-16 24177 Riverside 1/4 mile w. of Aguanga. Comment
  UC1537540  Eucrypta chrysanthemifolia var. chrysanthemifolia Gordon H. True Jr. 1935-2-22 7 Riverside Box Springs; Sycamore Canyon 365 Comment
  UCR123876  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill 2001-4-29 33521 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  UCR3345  Eucrypta chrysanthemifolia var. chrysanthemifolia 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] on S fork of road 762 Comment
  JEPS1709  Eucrypta micrantha Marjorie D. Clary 1932-3-6 1031 Riverside 7 mi w Coachella; Colorado Desert, La Quinta Canyon 152 Comment
  UC1122262  Eulobus californicus H. S. Yates 1937-3-24 6452 Riverside mouth of Deep Canyon Thermal Quadrangle 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
  SD211602  Euphorbia Louis C. Wheeler 1950-4-7 6759 Riverside Circa 3 miles West of Dale Lake, just West of two pumping plants on main 29 Palms - Amboy Road. Comment
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Aug 15 2012
  UCD142540  Euphorbia albomarginata William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR199620  Euphorbia albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  OBI39241  Euphorbia maculata A. C. Sanders 1982-6-12 2713 Riverside Riverside, garden at 422 Campus View Dr Comment
  UCR233944  Euphorbia micromera Duncan S. Bell 2011-10-22 3000 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
  UCR26784  Euphorbia misera A. C. Sanders 1982-3-20 2441 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, S end of Whitewater bench, above a small dirt road to the top of the bench and overlooking I-10 Comment
  UCR159143  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17979 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  JEPS26534  Euphorbia palmeri Peter Kamb 1947-5-17 517 Riverside Hall Canyon; San Jacinto Mts 1645 Comment
  SD127590  Euphorbia polycarpa David Charlton 1988-2-18 1146 Riverside South side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park. 609 Comment
  RSA296137  Euphorbia polycarpa var. hirtella B. A. Prigge 1980-8-5 3879 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
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Jan 14 2010
  UCR157462  Euphorbia serpens A. C. Sanders, Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23724 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden 351 Comment
  UCR101410  Euphorbia serpillifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22235 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  UCR202601  Euphorbia serpillifolia subsp. serpillifolia Scott D. White, Justin M. Wood 2008-7-9 12411 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  OBI14389  Euphorbia setiloba Lewis S. Rose 1959-1-12 59011 Riverside Cathedral City 122 Comment
  UCR82925  Eustoma exaltatum A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15811 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SBBG119060  Euthamia occidentalis S. D. White with A. Carey 2004-9-16 10758 Riverside Indian Crk watershed, above confluence with San Jacinto River; T1E R5S S2, NE 1/4 579 Comment
  CSUSB332  Fagonia laevis John Dean 1965-5-6 Riverside 3 miles east of Hell, near Corn Springs turnoff, Chuckwalla Valley. 259 Comment
  HSC24985  Fagonia laevis R. W. Spjut 1972-2-1 2158 Riverside Colorado Desert, along Eagle Mtn. Rd. near junction to Hwy. 10, 1 mi. W of Desert Center. 305 Comment
  RSA391201  Fagonia laevis Jack Rempel, Lester H. Cushman 1932-3-13 15516 Riverside Deep Canyon Colo. Desert. Comment
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Dec 10 2011
  RSA708488  Fagonia laevis Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10896 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  SD225134  Fagonia laevis G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2657 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. 100 Comment
  UCSB19497  Fagonia laevis Gerhart, Janet 1963-5-3 Riverside U.S. Highway 74, 5 miles E of Pinyon Flats Campground 975 Comment
  UCR139982  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  RSA709921  Ferocactus cylindraceus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4623 -b Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR22057  Festuca microstachys Steve Boyd 1980-4-13 121 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR225585  Festuca microstachys A. C. Sanders 2011-3-29 38863 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  LA45712  Festuca myuros Frank W. Gould; 1944-4-5 2228 Riverside 17 mi E of Temecula on Hwy 79 Comment
  UCR133669  Festuca myuros Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR2415  Festuca octoflora F. M. Reed 1935-4-12 9236 Riverside San Jacinto River bottom, 5 mi south of Perris 427 Comment
  UCR279391  Festuca octoflora A. C. Sanders, Jim Malusa 2017-3-24 42987 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 735 Comment
  UCR87900  Festuca octoflora A. C. Sanders 1994-5-30 14589 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  CLARK-A1528-217  Filago californica Oscar F. Clarke 1952-4-17 Riverside Riverside 396 Comment
  RSA272184  Filago californica C. W. Tilforth 1978-4-30 1581 b Riverside Low, rounded hills east of Norco Comment
  UCR228875  Filago californica A. C. Sanders 2011-4-6 39015 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
  RSA387343  Filago gallica Steve Boyd 1986-5-1 1809 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UC1478695  Flaveria trinervia Mark Tavianini 1977-10-23 Riverside Mickinley St., 1 mi n of 91 Freeway; La Sierra area Comment
  RSA495805  Forestiera neomexicana Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2914 Riverside Vail Lake area, Temecula Creek Cyn., 1.0 mi. west of Vail Lake Dam. 396 Comment
  CAS-BOT-BC223588  Fouquieria splendens subsp. splendens J. Beley 1974-2-21 0448 Riverside Eagle Mt. Rd. about 3 miles west of Desert Center Comment
  LA207700  Frangula californica subsp. cuspidata C. B. Wolf; 1932-8-6 3989 Riverside San Jacinto Mountains, Strawberry Valley, base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  UCR133662  Frankenia salina Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA221021  Fraxinus dipetala E. W. Lathrop 1968-5-8 6429 Riverside 3 miles SW of Corona, Hagador Canyon, Cleveland Nat l Forest, Trabuco District. 274 Comment
  UCR178337  Fraxinus pennsylvanica subsp. velutina Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 651 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA717493  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  SDSU12985  Funastrum cynanchoides var. hartwegii Michael G. Simpson with Claudia A. Luke 1999-10-27 2014 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  SEINET7248310  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-1 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCR232391  Funastrum utahense Dave Silverman 2010-3-30 7886 B Riverside Sonoran (Colorado) Desert, East bajada flank of southern McCoy Mtns, 1 km west of Black Creek Rd, 7.8 km east of McCoy Peak, and 4.8 km N of I-10 165 Comment
  UCR112980  Gaillardia pulchella Mitch Provance 1998-6-20 754 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
  UCR202327  Galium angustifolium Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  POM367635  Galium angustifolium subsp. angustifolium E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 915 Comment
  RSA180485  Galium angustifolium subsp. angustifolium E. W. Lathrop 1960-6-9 4983 Riverside 14 miles west of Murrieta. Comment
  RSA339348  Galium angustifolium subsp. angustifolium Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54076 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  SDSU13556  Galium angustifolium subsp. angustifolium W. Miller with C. Mosse 1972-7-11 Riverside 150 yards upstream; pass rock slide near oak tree. Comment
  RSA500216  Galium angustifolium subsp. gracillimum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3527 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  JEPS56052  Galium angustifolium subsp. jacinticum Lauramay T. Dempster 1965-6-17 4129 Riverside road from Banning to Idyllwild; San Jacinto Mts., Fulmor Lake 1615 Comment
  RSA483568  Galium aparine D. Charlton 1988-5-21 1956 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1677 Comment
  RSA524227  Galium aparine Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4021 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SBBG34186  Galium aparine T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns near Idlewild Comment
  UC1979678  Galium aparine Darin L. Banks, Steve Boyd 1995-3-16 105 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. Comment
  RSA192110  Galium porrigens E. W. Lathrop 1959-4-2 4437 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
  POM367817  Galium stellatum H. de Forest, Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  RSA776845  Galium stellatum var. eremicum Amber Swanson 2011-3-18 231 Riverside Near campsite off Corn Spring Rd in Chuckwalla Mtns 575 Comment
  UCR208878  Garrya flavescens subsp. pallida W. E. Pequegnat 1941-1-11 s.n. Riverside Peninsular Range; Santa Ana Mtns., Indian Truck Trail 976 Comment
  UCR177113  Garrya veatchii Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1106 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR262253  Garrya veatchii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3747 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA633319  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38085 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  CDA5433  Geraea canescens T. C. Fuller 1961-1-1 5495 Riverside Frontage road, Thousand Palms. 0 Comment
  PASA409  Geraea canescens 1926-2-21 Riverside Thousand Palms Comment
  POM358658  Geraea canescens H. S. Gentry 6201 Riverside 15 miles N of Desert Center, Riverside County? Comment
  SD122453  Geraea canescens Duffie Clemons, Erik Jonsson 1988-2-13 1936 Riverside 3.0 miles north of I-10 along Washington Street southwest of Indio Hills, Coachella Valley Comment
  UCR214898  Geraea canescens A. C. Sanders 2010-3-23 37529 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  RSA716817  Geranium carolinianum A. C. Sanders 2004-4-20 27569 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  RSA717339  Gilia Scott D. White, Michael Honer 2003-4-25 9114 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
  UCR177402  Gilia Marisa Sripracha, K. A. Boyd 2004-3-21 053 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  JEPS69454  Gilia angelensis W. L. Jepson 1939-4-17 19131 Riverside Twin Sprs. , Twin Sprs. (Temescal Canyon) Comment
  RSA613327  Gilia angelensis D. L. Banks 1997-3-6 1391 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  SDSU13349  Gilia angelensis Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 26 Riverside Along a poorly defined trail east of the North side field station. Near the edge of the north side of the Gorge wall. At the Santa Margarita Ecological Research Station (SDSU). 335 Comment
  UC1545280  Gilia angelensis Charles B. Fiker 1946-3-6 3334 Riverside in hills between Aguanga and Cahuilla; bet Aguanga and Coahuila [Cahuilla] Comment
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Mar 2 2016
  UCR131536  Gilia angelensis Jennie Phui 1998-5-30 025 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, mouth of Lion Canyon, 0.5-2 miles up Lion Canyon road north of I-10 Fwy 549 Comment
  UCR230589  Gilia angelensis Jeffrey Ross, Sam Lau, Jennie Phui 1998-5-31 091 Riverside San Bernardino Mtns., Morongo Indian Reservation; lower half of east fork of Lion Canyon, up to and just past 2nd fork 618 Comment
  UC1928524  Gilia australis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10501 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  SJSU1890  Gilia capitata subsp. abrotanifolia J. W. Tilden 1957-4-18 1102 Riverside near Whitewater E of San Gorgonio Pass Comment
  UCR202425  Gilia capitata subsp. abrotanifolia Peter L. Morrell, D. L. Banks 1995-5-4 461 Riverside Peninsular Range, Agua Tibia Wilderness Area, 2.4 mi. (air) WSW of Radec 622 Comment
  SD48404  Gilia diegensis Verne Grant 1954-6-10 9398 Riverside Open burned-over brush on top of a shoulder on Santa Rosa Mtn. 2194 Comment
  UCR110972  Gilia diegensis George K. Helmkamp 1998-6-27 4102 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR61101  Gilia diegensis Steve Boyd, C. Boyd, K. A. Boyd, R. Noyes, L. Arnseth 1988-5-28 2269 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR148447  Gilia latifolia 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 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  SD160887  Gilia ochroleuca subsp. exilis Virginia Moran 2003-3-26 Riverside Perris-Aguanga Basin region: Wilson Valley Mitigation Bank. Comment
  SD38842  Gilia ochroleuca subsp. exilis Edith A. Purer 1935-4-21 6441 Riverside Pine Valley, Pines to Palms Highway. Comment
  UCR20895  Gilia ochroleuca subsp. exilis A. C. Sanders 1978-6-20 503 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  RSA0016292  Gilia ochroleuca subsp. exilis Frank W. Gould 1943-4-17 2108 Riverside 12 miles S of Corona. Comment
  IRVC27470  Gilia scopulorum A. C. Sanders, E. J. Lawlor 1992-4-4 12145 Riverside McCoy Mtns, within 0.5 mi of McCoy Spring Colorado Desert 244 Comment
  RSA679903  Gilia stellata Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA749186  Gilia stellata R. F. Thorne, W. Wisura, Avi Shmida, R. Whittaker 1978-4-23 52018 Riverside Chino Canyon. Comment
  RSA778252  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 919 A Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  SD146195  Gilia stellata B. Pitzer, J. Ross 1998-3-8 3608 1 Riverside North-facing bajada on south side of Hayfield Lake between laebed and Highway I-10. 412 Comment
  UCR162851  Gilia stellata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 239 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, W edge of main canyon near the BLM gate 534 Comment
  UCR214284  Gilia stellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37489 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
  UCR245889  Gilia stellata R. F. Thorne 1995-3-29 63022 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  RSA612952  Githopsis diffusa subsp. diffusa D. L. Banks 1997-3-29 1621 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border,, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA711040  Glinus lotoides A. C. Sanders, Kelly Volansky 2005-8-31 31591 Riverside 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., ca 0.5 mi. N of Tenaja Rd. 671 Comment
  UCR2451  Glyceria elata F. M. Reed 1908-7-13 2512 Riverside San Jacinto Mtns, N margin of meadow in Tahquitz Valley 2439 Comment
  UCR172265  Gnaphalium californicum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  SEINET959511 Image available Gnaphalium canescens subsp. beneolens R. E. Riefner Jr. 2006-1 06 -432 Riverside Peninsular Range: Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. (Temecula 7.5 Q) 305 Comment
  RSA519247  Gnaphalium chilense Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  RSA544314  Gnaphalium luteoalbum Steve Boyd 1991-7-13 6421 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
  UCR59779  Gnaphalium luteoalbum Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, E end of Vail Lake, in 'draw down' area Comment
  RSA544430  Gnaphalium palustre Steve Boyd, David Zippin, Tom Oberbauer 1991-6-14 9669 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  RSA612959  Gnaphalium palustre D. L. Banks 1997-3-29 1628 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  CAS-BOT-BC56798  Grusonia parishii Alverson 1899-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC304639  Gutierrezia californica J. C. Roos 1965-6-21 s.n. Riverside The hills 2 miles south of Beaumont Comment
  RSA192003  Gutierrezia californica H. A. Zuill 1966-6-27 249 Riverside 10 miles SW of Murrieta and 1/2 mile W of Tenaja Gd street Comment
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Mar 28 2013
  SBBG62672  Gutierrezia californica M. N. Ackley 1928-4-1 210 Riverside Snow Crk, Mt San Jacinto 518 Comment
  UCR203959  Gutierrezia californica Michael Wall 2008-10-3 491 Riverside Perris-Aguanga Basin, Bautista Creek, east of Hemet off Bautista Canyon Road c. 7 mi east of the junction with Fairview Ave. 758 Comment
  SEINET11841383  Gutierrezia californica O. F. Clarke 1970-1 s.n. Riverside Botanic Gardens of the University of California, Riverside Comment
  UCR182439  Gutierrezia sarothrae Mitch Provance 2003-5-5 4425 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  SEINET189213  Halliophytum hallii Annie M. Alexander, L Kellogg 1941-5-9 2138 Riverside Plateau 1.5 miles north of Cottonwood Spring Eagle Mountains 975 Comment
  UCR1443  Hedypnois cretica Joyce Kleinjan 1961-4-23 s.n. Riverside San Bernardino Valley, Riverside, west border of 1012 Spruce St., 150 ft. south of street [O.F. Clarke residence] 351 Comment
  UCR199717  Hedypnois cretica Scott D. White 2008-4-28 11913 Riverside San Gorgonio Pass, Banning, south of Hwy I-10 and just north of San Jacinto Mountains toe slope. East of Sunset Avenue 701 Comment
  POM12752  Helenium bigelovii P. A. Munz 1922-7-7 6064 Riverside Meadow N of Tahquitz Valley. San Jacinto Mountains. 2226 Comment
  CAS-BOT-BC211541  Helianthemum scoparium John Thomas Howell 1928-7-8 1046 Riverside Santa Ana Mts. above Glen Ivy 1219 Comment
  CAS-BOT-BC211544  Helianthemum scoparium Carl B. Wolf 1936-6-17 7956 Riverside Tenaja Road, 1 4/10 mi. off Ortega Highway on road to La Cienega, Santa Ana Mts. 609 Comment
  CAS-BOT-BC211545  Helianthemum scoparium H. M. Hall 1900-6-1 1409 Riverside Lytle Creek Canyon, San Antonio Mountains 609 Comment
  RSA17257  Helianthemum scoparium var. aldersonii C. B. Wolf 1936-6-17 7956 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  UCR167807  Helianthus annuus T. B. Salvato, Melissa Clemons 2005-6-23 1314 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UC62874  Helianthus californicus H. M. Hall 1901-7-1 2612 Riverside vicinity of Strawberry Valley (streams); San Jacinto Mountains 1584 Comment
  UCR174961  Heliotropium curassavicum Teresa Nieto 2005-5-26 52 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  POM204504  Hemizonia kelloggii M. French Gilman 1934-7-8 s.n Riverside Banning Comment
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Mar 13 2011
  RSA711222  Hemizonia kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  UCR235082  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40231 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  RSA94099  Hemizonia kelloggii F. W. Peirson 1925-5-20 6011 Riverside Aguanga. 610 Comment
  UCR132824  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22273 Riverside San Jacinto Mtns., Hwy 74, roadside seep c. 2 miles below (west of) Mountain Center 1250 Comment
  UCR193745  Hemizonia mohavensis A. C. Sanders, Mitch Provance 2008-7-11 35749 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR114201  Hemizonia paniculata A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23640 Riverside Perris-Aguanga Basin Region, French Valley, near south end of Briggs Rd. on east side of Hwy 79, near industrial park, c. 0.5 km SE of Adobe Spring 384 Comment
  SEINET269475 Image available Hemizonia pungens subsp. laevis Scott D. White, Steve Ogg 1994-10-17 3455 Riverside Murrieta Creek 1000 ft south of Winchester road bridge (Banana Avenue on USGS Murrieta quad) 310 Comment
  UCR104204  Hemizonia pungens subsp. laevis Scott D. White 1997-5-25 5244 B Riverside Perris Basin, Winchester area, roadside of Simpson Ave. <1 mi. west of intersection with Winchester Rd. 445 Comment
  UCR40448  Hemizonia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  CAS-BOT-BC508660  Hesperocallis undulata H. M. Hall; L. A. Greata 1905-4-1 s.n. Riverside Mecca, Colorado Desert Comment
  SD240777  Hesperocyparis forbesii A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39925 Riverside Peninsular Range: Santa Ana Mountains: near Sierra Peak on dirt road (Leonard Road) from Skyline Drive, c. 1/4 mile east of the Orange C. line (Black Star Canyon 7.5'Q) 883 Comment
  UCR202594  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-7-9 12429 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  UCD113330  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 Riverside Peninsular Range: Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA0074449  Heterotheca fastigiata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, et. al. 2010-4-12 4534 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 525 Comment
  RSA0066125  Heuchera Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountains. 2590 Comment
  UCR23265  Heuchera hirsutissima J. C. Lyman 1981-5-28 s.n. Riverside San Jacinto Mtns., gully behind Tahquitz Peak Comment
  HSC66721  Hibiscus denudatus Christopher Davidson, Josephine Jones 1980-4-4 9961 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  POM48499  Hieracium albiflorum Mary F. Spencer 1919-7-5 1343 Riverside Open woods, San Jacinto Mts. 1646 Comment
  UCD89927  Hilaria rigida William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  UCR59709  Hilaria rigida A. C. Sanders 1989-9-19 9496 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
  SDSU14245  Hirschfeldia incana Ingrid Poulin 2002-3-1 7 Riverside Santa Margarita Ecological Reserve; unpaved road approx. 100 ft. west of Red Mountain Truck Trail (0.8 miles from N. Stagecoach Lane). 229 Comment
  CLARK-A1528-476  Hoffmannseggia densiflora Charlotte Stocks 1964-9-11 Riverside Indio Comment
  UCSB3084  Hoffmannseggia microphylla Graney, Don 1953-3-21 Riverside Colorado Desert Comment
  RSA597947  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Old abandoned field in Santa Ana River bottom above West Riverside Bridge. 244 Comment
  LA207936  Holodiscus discolor var. microphyllus Martha Hilend; 1928-7-7 sn Riverside San Jacinto Mountains Comment
  UC1929623  Holodiscus microphyllus var. sericeus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8638 Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr. west to creek. Comment
  SD232146  Hordeum brachyantherum subsp. californicum Scott D. White, Justin M. Wood 2008-7-9 12418 Riverside San Jacinto mountains, Johnson Meadow Comment
  UCR202606  Hordeum brachyantherum subsp. californicum Scott D. White, Justin M. Wood 2008-7-9 12418 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR280992  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 84 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  CSUSB452  Hordeum leporinum D. L. Heald 1966-5-16 68 Riverside Off the road behind Webber Hall at University of California, Riverside (UCR) in the city of Riverside. 304 Comment
  UCD85895  Hordeum marinum subsp. gussoneanum Robert F. Thorne; P. Munz, E. Lathrop 1968-5-8 37589 Riverside Santa Rosa Plateau. On Mesa de Colorado, Rancho California. 670 Comment
  RSA0093141  Hordeum murinum Steve Boyd, Carol Boyd 2011-3-15 12304 Riverside Peninsular Ranges, Santa Rosa Mountains region.: Western base of Eisenhower Mountain, southeast of the Living Desert at mouth of Deep Canyon. 366 Comment
  RSA87059  Hordeum murinum subsp. glaucum F. W. Peirson 1921-3-22 4337 Riverside Murray Canyon, near Palm Springs 396 Comment
  CAS-BOT-BC148571  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside Strawberry Valley, 1 1/2 mi. from Idyllwild on road to Binning - San Jacinto Mts. 1706 Comment
  UC114266  Horkelia clevelandii A. W. Anthony 1895-7-1 Riverside San Jacinto Mts. Comment
  UCR256883  Horkelia clevelandii G. D. Wallace 2003-7-8 4050 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  LA203775  Hulsea vestita subsp. callicarpha John O'Leary; 1975-6-13 415 Riverside next to Hwy. in the San Jacinto Mts. (1 mi. S. of Lake Fulmor) 1554 Comment
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Jun 23 2013
  POM13248  Hulsea vestita subsp. callicarpha P. A. Munz, Johnston 1922-5-19 5393 Riverside Keen Camp, San Jacinto Mts. 1524 Comment
  UC1181321  Hydrocotyle ranunculoides Peter H. Raven 1959-5-17 14232 Riverside San Jacinto Mts., Lake Fulmor Comment
  RSA453769  Hydrocotyle umbellata L. C. Wheeler 1933-12-2 2314 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  CLARK-A1528-2978  Hypericum formosum subsp. scouleri John C. Roos 1943-8-8 2702 Riverside San Jacinto Mountains Comment
  SDSU12941  Hypochaeris glabra Jutta Buschbom 1991-6-3 20 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR156478  Hypochaeris glabra Jason L. Hlebakos 2005-5-3 620 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  JOTR31870  Hyptis emoryi La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2124 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  LA61608  Hyptis emoryi Nesta Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  RSA700973  Hyptis emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11220 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC604959  Hyptis emoryi Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills, up Painted Canyon Comment
  UCLA61522  Hyptis emoryi S. Atsatt 1926-4-17 Riverside Palm Springs Comment
  UCR132747  Hyptis emoryi Scott D. White 1993-2-5 1046 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UCR96199  Hyptis emoryi B. G. Pitzer 1996-11-9 2923 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  UC1184104  Isocoma acradenia var. acradenia Jerry Powell 1960-10-19 Riverside 7 mi n Temecula Comment
  UCR101342  Isocoma menziesii var. vernonioides A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UC1605510  Isoetes howellii Terry O'Brien May 1995 2130 Riverside ca 5 mi sw of Grand Ave in Murrieta on Clinton Keith Rd Mesa de Colorado; Santa Rosa Plateau Preserve 600 Comment
  RSA286804  Isoetes orcuttii R. F. Thorne 1974-5-23 44672 Riverside Santa Ana Mountains, Santa Rosa Plateau, Rancho California: N edge of large vernal marsh, Mesa de Colorado 624 Comment
  CAS-BOT-BC110044  Juncus acutus H. M. Hall 1905-5-1 5978 Riverside Colorado Desert. Chuckawalla Springs. Comment
  RSA0121457  Juncus acutus subsp. leopoldii Duncan S. Bell, LeRoy Gross 2016-3-30 9137 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR59816  Juncus balticus Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  RSA658937  Juncus balticus subsp. ater M. Duke, Christy Hightower, C. McElroy 1982-5-15 17 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  UC1495732  Juncus bryoides B. Ertter and J. Strachan 1979-6-26 2972 Riverside on Hwy. 74 in Garner Valley Kenworthy Forest Station; San Jacinto Mts., Garner Valley, Kenworthy Forest Station Comment
  POM229463  Juncus bufonius Phillip A. Munz 1937-5-31 15103 Riverside Santa Rosa Mountains 1220 Comment
  SD140239  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside Western edge of Hemet, 14 acre parcel at northeast corner of Intersection of Meyers Street and Devonshire Avenue, 3/4 mile northeast of the intersection of Florida avenue (Highway 74) and Warren Road, just south of Tres Cerritos. 459 Comment
  UCR201821  Juncus bufonius 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
  UCR202245  Juncus bufonius 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
  UCR268296  Juncus macrophyllus Jim Andre 2012-6-15 30555 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  JOTR35513  Juncus mexicanus La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3200 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  RSA750745  Juncus mexicanus Scott D. White, Justin M. Wood 2009-5-22 12885 Riverside Garner Valley, abandoned duck pond near Quinn Flat. 1357 Comment
  RSA97126  Juncus mexicanus H. K. Buechner 1955-6-1 C- 116 Riverside 4.5 miles south of Palm Desert. north base of Santa Rosa Mountains. Comment
  CLARK-A1045-60  Juncus rugulosus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5' Q Comment
  POM184650  Juncus rugulosus L. C. Wheeler 1931-10-3 188 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  SEINET3881129  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2987 Riverside Banning-Idyllwild Road (Hwy 243) at Black Mtn turnoff (Forest Rd 4s01), San Jacinto Mts.; 0 Comment
  UCR11  Juniperus californica Eugene Cardiff 1950-2-19 s.n. Riverside Santa Rosa Mtns., Palms-to-Pines Hwy. [near Pinyon Flats] 1372 Comment
  UCR89762  Juniperus californica Scott D. White 1993-5-27 1434 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  POM6744  Justicia californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2383 Riverside Palm Canyon 183 Comment
  RSA487532  Justicia californica B. Pitzer 1988-3-10 640 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UCR3333  Justicia californica Warren Mouw 1964-3-24 640324- 25 Riverside Sonoran (Colorado) Desert, road through Joshua Tree National Monument, between Twentynine Palms and Hwy 60, 3 miles from park exit [south end, near Cottonwood Springs] 856 Comment
  RSA0062475  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40424 Riverside Chuckwalla Valley, along Wileys Well Rd., 0.1 mi. above I-10 junction, below Ironwood St. Prison. 120 Comment
  CAS-BOT-BC434233  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
  POM305667  Keckiella antirrhinoides Henry J. Ramsey, Henry J. Ramsey 1939-4-22 999 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA543179  Keckiella antirrhinoides Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6118 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA771102  Keckiella antirrhinoides Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4716 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
  SJSU7917  Keckiella antirrhinoides G. B. Youngberg 1956-3-20 225 Riverside near La Sierra College, Arlington 231 Comment
  UCR174569  Keckiella antirrhinoides Jennifer H. Jones, Toby Bartels 2006-4-23 284 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  POM9595  Keckiella antirrhinoides I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  SD258959  Keckiella antirrhinoides var. antirrhinoides Sarah J. De Groot, Thomas Stoughton 2016-4-20 7809 Riverside Along Pacific Crest Trail just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 769 Comment
  SEINET4097042  Keckiella antirrhinoides var. antirrhinoides O. M. Clark 1929-1 1695 Riverside South Cabazon, southern California. Comment
  UCR60266  Keckiella cordifolia Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3686 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  UC103114  Keckiella rothrockii var. jacintensis S. B. and W. F. Parish Aug 1880 473 Riverside San Jacinto Mts. Comment
  RSA293230  Keckiella ternata subsp. ternata D. C. Michener 1980-7-20 3714 Riverside Thomas Mtn. Chaparral/ coniferous forest transition on Thomas Mtn re [6S13] 2.7mi. north of jct. with CA by Lake Hemit. 1450 Comment
  POM206592  Koeleria macrantha H. M. Hall 1901-06 2066 Riverside South side of San Jacinto Mountains 1524 Comment
  UC1117716  Koeleria macrantha Alan A. Beetle 1946-6-10 4393 Riverside near Idyllwild; San Jacinto Mts., near Idyllwild 1219 Comment
  UC38718  Koeleria macrantha H. M. Hall June, 1901 2031 a Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1371 Comment
  RSA409439  Krameria erecta Gale Sphon 1955-5-22 s.n. Riverside 5 miles south of Pinon Flats, Palms to Pines Hiwy. [74]. Comment
  SEINET3004984  Krameria erecta G. Rink, M. Baker 2011-4-1 10411 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  UC667260  Krameria erecta Annie M. Alexander and Louise Kellogg 1941-5-11 2150 Riverside Cottonwood Spring Eagle Mountains, Cottonwood Spring (on side of canyon, Eagle Mountains) 883 Comment
  JOTR30100  Krameria grayi La Doux, Tasha, Alice Miller 2007-5-31 1775 Riverside Joshua Tree National Park. Stop 1: Cottonwood Springs/Oasis; slope above oasis along visitor walkway to parking lot. 893 Comment
  RSA651632  Krameria grayi T. Strid 1972-4-30 s.n. Riverside Corn Springs C.G. 1677 Comment
  UCR72193  Krameria grayi Theo Glenn 1991-5-20 91- 100 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  RSA0001812  Krynitzkia decipiens Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SD146030  Laennecia coulteri A. C. Sanders, Mitch Provance 1999-9-26 23125 Riverside San Jacinto Valley; Mystic Lake, 1.4 mile southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 mile south of Eden Hot Srings. 433 Comment
  RSA576085  Lamium amplexicaule Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau. T4S R5W SE/4 NW/4 sec. 33. 610 Comment
  UCD118401  Langloisia setosissima C. L. Hitchcock 1966-3-20 24310 Riverside just north of Milpitas Wash, Ogilby-Blythe Road. Comment
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Mar 2 2013
  JOTR28941  Larrea tridentata La Doux, Tasha 2005-3-30 1177 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  SD229309  Larrea tridentata Dick Schwenkmeyer 2013-6-11 916 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  POM8719  Lasthenia californica P. A. Munz 1920-4-11 3806 Riverside Santa Ana River Canyon, near Rincon. 305 Comment
  RSA563928  Lasthenia californica M. A. Patten 1993-3-20 s.n. Riverside SW edge of Hemet, vernal pools at the NW corner of Warren Rd. and Stetson Rd., adjacent to Ryan Field. 457 Comment
  SD146011  Lasthenia californica A. C. Sanders, K. C. Rose 1998-5-21 21863 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 west of Warren Road. 456 Comment
  RSA599425  Lasthenia coronaria R. E. Riefner 1997-3-18 97 -115 Riverside Bull Canyon, E of El Toro Road between Lindell and Vista road. Comment
  RSA673634  Lasthenia coronaria Scott D. White, Tasha La Doux 2000-4-20 7707 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCD133644  Lasthenia coronaria Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3106 Riverside Vail Lake area. At north base of rounded knob 1.25 miles WSW of dam. 609 Comment
  UCR29355  Lasthenia coronaria M. G. McLeod, D. J. Keil 1977-3-26 K12010- 01 Riverside Elsinore Basin, 8 mi. NW of Lake Elsinore State Recreation Area along Calif. Hwy 71 366 Comment
  POM8238  Lasthenia gracilis P. A. Munz, R. D. Harwood 1920-3-20 3393 Riverside Elsinore. 396 Comment
  SEINET5327339  Lathyrus sulphureus N. D. Atwood 1993-3-26 17654 Riverside Summit of Santa Ana Mts., 4.8 mi. S. of Lake Elsinore, along Hwy 74 813 Comment
  UCR137353  Lathyrus vestitus 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
  RSA33776  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-6-4 1374 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  SDSU13342  Lathyrus vestitus var. alefeldii C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, Insect Trail. 1.5 miles NE of Gavalin Mtn. 372 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
  JEPS23550  Layia glandulosa Peter H. Raven 1958-5-5 12904 Riverside Comment
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Mar 13 2011
  RSA771678  Layia glandulosa Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4988 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  RSA556481  Layia platyglossa subsp. campestris Julie Greene 1993-3-13 1010 Riverside On the berm between the western ponds 440 Comment
  RSA741224  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11985 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA0031359  Lemna minor D. L. Crawford 1916-7-5 s.n. Riverside Fairmont Lake. Comment
  CAS-BOT-BC89586  Lepidium lasiocarpum Philip A. Munz 1940-3-23 15687 Riverside Mohave Desert. North part of Pinto Basin, northern Riverside county. 609 Comment
  JOTR35506  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3193 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  POM184738  Lepidium lasiocarpum var. lasiocarpum C. L. Hitchcock 1932-4-9 12227 Riverside White tanks, eastern Riverside. Comment
  RSA161340  Lepidium lasiocarpum var. lasiocarpum P. H. Raven 1958-3-16 11852 Riverside outwash plain below Cottonwood Springs, Joshua Tree National Monument. Comment
  SD136238  Lepidium latifolium Dylan T. Hannon 1993-5-6 175 Riverside Norco, ca 3 miles west of Interstate 15, along north side of Santa Ana River bordering dairy fields Comment
  RSA696140  Lepidium latipes A. C. Sanders, Carolyn Washburn 2001-4-17 24053 Riverside San Jacinto Valley: southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal. 457 Comment
  UCR228250  Lepidium latipes A. C. Sanders, T. B. Salvato 2011-4-1 38935 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  RSA593694  Lepidium latipes var. latipes Steve Boyd, Dave Bramlet 1996-4-19 8632 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  SDSU12946  Lepidium nitidum var. nitidum Jutta Buschbom 1991-6-1 28 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SBBG70852  Lepidium virginicum R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  POM9006  Lepidium virginicum var. robinsonii P. A. Munz, Harwood 1920-3-20 3399 Riverside 5 mi. So. of Corona. 305 Comment
  UCR116981  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato 2001-5-3 24082 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-BC339176  Lepidospartum C. B. Wolf 1931-10-14 2462 -A Riverside At Cabezon, San Gorgonio Pass 518 Comment
  CLARK-A1528-2173  Lepidospartum squamatum Charles S. Papp 1962-12-9 235 Riverside Sycamore Canyon Comment
  SD137865  Lepidospartum squamatum Darin L. Banks, Steve Boyd 1995-10-17 777 Riverside Northwest Palomar Mountains; Agua Tibia Mountains, along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  RSA365944  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
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Apr 7 2011
  POM96632A  Leptosiphon pygmaeus subsp. pygmaeus F. M. Reed 1925-5-26 5285 Riverside Horsetheif Canyon. 762 Comment
  UCR139966  Lessingia glandulifera var. glandulifera Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  SEINET3887043  Lilaea scilloides Robert F. Thorne 1974-5-23 44658 Riverside Santa Rosa Plateau, Rancho California: near junction of Tenaja Road and road to ranch head-quarters.; 0 610 Comment
  CHSC26247  Lilium parryi Dieter H. Wilken; Gary D. Wallace 1966-7-3 1052 Riverside Fuller Mill Creek, San Jacinto Mtns. 1524 Comment
  UCR79274  Linanthus androsaceus subsp. luteolus Steve Boyd, T. S. Ross 1992-5-5 7241 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 793 Comment
  JOTR30953  Linanthus aureus subsp. aureus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1928 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  JOTR31046  Linanthus aureus subsp. aureus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2029 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
  JOTR34293  Linanthus bigelovii Andre, Jim 2012-4-11 20702 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  UC23457  Linanthus ciliatus H. M. Hall Jun 1901 2231 Riverside s side San Jacinto Mts. 1584 Comment
  UCR137698  Linanthus dianthiflorus D. L. Banks, V. W. Steinmann 1997-3-13 1512 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA517246  Linanthus jonesii Steve Boyd, Orlando Mistretta 1986-3-13 1459 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA777825  Linanthus jonesii J. Andre, G. L. Clifton 2011-2-22 17457 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  UC219269  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-3-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  UCR23129  Linanthus lemmonii J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UCR101467  Linanthus pygmaeus A. C. Sanders 1997-4-3 20164 Riverside Lake Skinner area, hills NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UCR98084  Linaria canadensis A. C. Sanders, G. Helmkamp 1997-3-15 19942 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  RSA559963  Linaria canadensis var. texana Steve D. Boyd, Orlando Mistretta 1992-4-23 7076 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area Western flank of Bluewater Canyon along Bluewater Trail between canyon bottom and southern end of Oak Flats. 488 Comment
  UCR80801  Linum lewisii var. lewisii Scott D. White 1993-5-29 1472 Riverside San Bernardino Mtns, Big Oaks Canyon, along the road to Raywood Flat,Yucaipa Ridge 2134 Comment
  CAS-BOT-BC111980  Lipocarpha occidentalis Frederick Morris Reed 1908-7-12 2443 Riverside Margin of Lake Surprise, San Jacinto Mtns. 2743 Comment
  POM1813  Listera convallarioides I. M. Johnston 1916-8-1 s.n. Riverside Strawberry Valley, San Jacinto Mountains Comment
  SEINET11988760  Lobularia maritima A. L. Moldenke, Moldenke, H. N. 1976-1 30576 Riverside Ledco Hills, on old Rt. 71 Comment
  POM13790  Loeflingia squarrosa P. A. Munz 1922-4-30 5137 Riverside Hills south of Tuscaluta Creek from Aguanga to Hemet Comment
  UCR116962  Loeflingia squarrosa A. C. Sanders, T. B. Salvato 2001-5-3 24107 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UC1043024  Loeflingia squarrosa var. squarrosa John C. Roos 1952-5-14 5664 Riverside along roadside 2 mi nw Perris 487 Comment
  UC465549  Loeflingia squarrosa var. squarrosa Fred M. Reed 1907-6-9 1394 Riverside Ba<?> Ranch Riverside (Sec. 30) Comment
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Jul 30 2006
  CHSC8345  Loeseliastrum matthewsii Edward L. Smith 1958-3-22 398 Riverside Located at sand dunes 3 mi. s Rice, Little Santa Maria Mts. 335 Comment
  RSA27972  Loeseliastrum matthewsii C. L. Hitchcock 1940-4-4 5948 Riverside Pinto Basin. Comment
  POM14104  Loeseliastrum schottii P. A. Munz, D. D. Keck 1922-4-13 4936 Riverside Desert Center. 183 Comment
  UCSB28365  Loeseliastrum schottii Speckels, M. 1974-3-23 Riverside 0.3 mi. west of junction of Hwy 74 and Hwy. 111; in Palm Desert 152 Comment
  CAS-BOT-BC342257  Logfia filaginoides F. W. Peirson 1921-3-22 5277 Riverside Murray Canyon near Palm Springs 487 Comment
  JEPS8394  Logfia filaginoides Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-2 3607 Riverside slopes at the mouth Andreas Canyon (an offshoot of Palm Canyon, e base of Mt. San Jacinto); Mt. San Jacinto, Andreas Canyon Comment
  RSA703417  Logfia filaginoides LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 s.n. Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR63514  Logfia filaginoides Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  SEINET251733 Image available Lolium multiflorum Walter Graves 2002-6-11 602 -5 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  RSA575975  Lolium perenne Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau 610 Comment
  SEINET251687 Image available Lolium rigidum Walter Graves 2002-5-15 502 -18 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields 305 Comment
  RSA221026  Lomatium lucidum E. W. Lathrop 1966-3-23 6089 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA674871  Lonicera subspicata var. denudata Scott D. White, T. B. Salvato 2001-6-8 8589 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR91680  Lotus argophyllus Steve Boyd, D. L. Banks 1995-4-5 8418 B Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  UCR237697  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4508 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
  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
  RSA557900  Lotus hamatus Steve Boyd, Orlando Mistretta 1992-4-22 7015 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UCR97647  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 19972 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  POM2646  Lotus heermannii P. A. Munz 1918-4-7 2124 Riverside Temescal Canyon Comment
  SEINET6655090  Lotus heermannii A. C. Sanders, Tim Thomas; T. B. Salvato 2008-6-24 35574 Riverside Peninsular Range; San Jacinto Mtns. May Valley ca. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd.; 0 1585 Comment
  RSA0028965  Lotus heermannii Keith E. Hoffmaster 1937-7-5 818 Riverside San Jacinto Mtns. Comment
  UCR102883  Lotus humistratus A. C. Sanders 1997-3-26 20125 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR241928  Lotus humistratus A. C. Sanders, John F. Green 2013-3-27 40686 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 416 Comment
  RSA282916  Lotus nevadensis var. nevadensis C. W. Tilforth, B. Busenberg 1980-6-17 2020 Riverside On slopes south of Toolbox Springs Campground, Thomas Mtn. Road, south of Lake Hemet & west of Highway 74 Comment
  RSA679985  Lotus nevadensis var. nevadensis LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1117 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  UC15662  Lotus nevadensis var. nevadensis H. M. Hall 1901-7 2491 Riverside shores of Lake Surprise San Jacinto Mountains, Lake Surprise 2499 Comment
  UCR23899  Lotus nevadensis var. nevadensis John C. Roos 1937-8-18 2541 Riverside San Jacinto Mtns., Near Willow Creek 2439 Comment
  RSA498791  Lotus rigidus S. B. Parish 1917-4-4 s.n. Riverside Palm Canyon Comment
  CDA27315  Lotus salsuginosus var. brevivexillus T. C. Fuller 1963-4-23 10274 a Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  RSA618170  Lotus salsuginosus var. salsuginosus D. L. Banks 1997-5-5 2016 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UCR243167  Lotus scoparius var. brevialatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4330 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  RSA0031442  Lotus strigosus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4502 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA702212  Lotus strigosus Scott D. White, Michael Honer 2004-3-11 9901 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  RSA775600  Lotus strigosus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 991 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UC454679  Lotus strigosus I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  UCR103279  Lotus strigosus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3587 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
  UCR116582  Lotus strigosus G. W. Forister 1967-4-1 s.n. Riverside [Moreno Badlands], Jack Rabbit Trail, 1.5 mi. SW of Hwy 60 671 Comment
  UCR98206  Lotus strigosus B. G. Pitzer 1997-4-1 3048 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  POM9588  Lotus strigosus I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road[Wineville = Mira Loma] Comment
  RSA498731  Lotus strigosus var. strigosus Freda Detmers 1933-3-25 17160 Riverside Between Banning and Cabazon. Comment
  POM6855  Lotus strigosus var. tomentellus P. A. Munz, L. T. Street, G. Williams 1919-3-25 2318 Riverside Palm Canyon, Palm Springs. 229 Comment
  RSA176229  Lotus tomentellus R. F. Thorne 1963-3-29 32383 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA278982  Lotus tomentellus B. A. Prigge 1978-3-23 2432 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA680556  Lotus wrangelianus Scott D. White, Michael Honer 2003-4-30 9135 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  POM9019  Lotus wrangelianus R. D. Harwood 1920-3-20 3391 Riverside Elsinore, Riverside. Comment
  UCR146248  Ludwigia peploides subsp. peploides R. F. Thorne, Et al. 1969-6-24 38144 Riverside San Jacinto Mtns, San Bernardino National Forest. Lake Fulmor 1677 Comment
  RSA90137  Ludwigia peploides subsp. peploides E. K. Balls, George B. Everett 1953-8-19 18528 Riverside Lake Fulmore, on road from Banning to Idyllwild. 1625 Comment
  RSA709182  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning. 830 Comment
  RSA414450  Lupinus argenteus var. tenellus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA414836  Lupinus arizonicus George R. Johnston 1930-4-14 s.n. Riverside Shaver's Well Riverside. Comment
  SEINET2062842  Lupinus arizonicus George Helmkamp 1995-3-16 Riverside Coxcomb Mts, W of Rice Rd., 10.3 mi NE of Desert Center 198 Comment
  UCR143488  Lupinus arizonicus E. K. Balls 1949-4-2 12894 Riverside Sonoran (Colorado) Desert, Hwy 111 between Thermal and [Indio] Arabia Comment
  UCSB3262  Lupinus arizonicus Bobkowski Jr., Vincent 1960-4-1 Riverside At intersection of U.S. 60-70 and Cottonwood Springs entrance to Joshua Tree National Monument; on south side of 60-70 Comment
  UCR152641  Lupinus bicolor A. C. Sanders 2005-4-22 29603 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR172234  Lupinus bicolor John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR84985  Lupinus bicolor A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16227 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR87664  Lupinus bicolor A. C. Sanders 1994-5-29 14561 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  CLARK-A1045-207  Lupinus bicolor subsp. marginatus George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  RSA151811  Lupinus bicolor subsp. microphyllus David B. Dunn 1941-3-29 932 Riverside On alluvial fan among Avena. 2 miles west of Corona Comment
  UCR1039  Lupinus bicolor subsp. microphyllus J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mountains, Anza Cutoff on Pines to Palms Highway. 1500 Comment
  RSA359881  Lupinus bicolor subsp. microphyllus Steve D. Boyd 1986-4-2 1599 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SEINET9312483  Lupinus concinnus Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  RSA653421  Lupinus concinnus subsp. optatus Scott D. White 1999-5-24 7388 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA673506  Lupinus concinnus subsp. optatus Scott D. White, Bill La Haye 2000-5-27 7936 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  CLARK-A1528-497  Lupinus excubitus Fred B. Essig 1964-4-25 26 Riverside Elsinore Comment
  RSA282756  Lupinus excubitus var. austromontanus C. W. Tilforth, B. Busenberg 1980-6-10 1995 Riverside Ca. 1/2 mile south of Thomas Mtn Campground, at summit of Thomas Mtn. Rd. , west of Hwy 74 and south of Lake Hemet. 2043 Comment
  POM12626  Lupinus excubitus var. hallii P. A. Munz, I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon. San Jacinto Mts. Comment
  RSA503885  Lupinus excubitus var. hallii N. C. Cooper 1945-5-24 1639 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA0117969  Lupinus excubitus var. hallii Christopher Davidson 1977-5-25 5667 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  RSA314673  Lupinus hirsutissimus Robert F. Thorne 1983-4-23 55498 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA413700  Lupinus hirsutissimus H. de Forest, Freda Detmers 1933-3-25 17157 Riverside Between Banning and Cabazon Comment
  UCR100087  Lupinus hirsutissimus R. G. Swinney 1967-3-5 56 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  RSA91190  Lupinus hyacinthinus F. W. Peirson 1938-5-30 12412 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  RSA114446  Lupinus latifolius subsp. parishii G. R. Campbell 1956-6-11 21613 Riverside Nursery Seedlings growing under Prop. No. 8412, from seed Fuller Mill Creek, 1.3 miles north of Black mountains. trail, hwy from Banning to Idyllwild. Comment
  POM19602  Lupinus latifolius var. parishii Mary F. Spencer 1923-8-7 2190 Riverside San Jacinto Mts. 1707 Comment
  SEINET10936516  Lupinus polyphyllus subsp. bernardinus David B. Dunn 1946-8-17 Dunn 2703 Riverside Damp stream edge. Trail to taquity from taquity valley campground. On dry Hillside among bracken fern. San jacinto mtns. 2499 Comment
  CDA27582  Lupinus sparsiflorus G. D. Barbe, T. C. Fuller 1973-2-27 1046 Riverside Colorado Desert; 0.2 mile east of Coachella Canal on Highway 195 east of Mecca; Box Canyon Wash. 0 Comment
  UC865552  Lupinus sparsiflorus I. W. Clokey 1935-4-17 6710 Riverside washes and hills Cottonwood Springs (Cottonwood Springs) Comment
  UCR48415  Lupinus sparsiflorus Steve Boyd 1986-4-22 1747 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  POM24304  Lupinus sparsiflorus subsp. sparsiflorus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA414818  Lupinus sparsiflorus subsp. sparsiflorus H. de Forest, Jack Rempel 1934-4-14 19800 Riverside San Gorgonio Pass. 640 Comment
  RSA617298  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1934-3-18 1476 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. 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
  SDSU12245  Lupinus truncatus Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 3 Riverside Comment
  RSA699027  Lycium andersonii J. R. Bruff 1928-4-3 184 Riverside 3 mi. E. of Desert Center. Comment
  UCSB23131  Lycium andersonii McMinn, Howard 1937-3-5 Riverside About 4 miles north of highway from Mecca to Desert Center in Cottonwood Mts Comment
  RSA0125267  Lycium brevipes Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8761 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  RSA620358  Lycium brevipes A. C. Sanders 1997-3-1 19723 Riverside Box Springs Mtns: Coyote Hill (Bench Mark 'Versity', 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  RSA0048363  Lycium cooperi A. Lee Haines 1974-4-10 s.n. Riverside Cottonwood Springs, Cottonwood Canyon. 914 Comment
  UC884609  Lycium torreyi P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4850 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  UCR199760  Lythrum californicum Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10687 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  CSUSB1940  Lythrum hyssopifolia Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  SBBG54325  Lythrum hyssopifolia C. Davidson 1977-5-25 5666 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR110390  Lythrum hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23084 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  RSA502190  Machaeranthera asteroides var. asteroides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3718 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  UCR61011  Machaeranthera asteroides var. asteroides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3718 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam 488 Comment
  UCR20178  Machaeranthera canescens subsp. ziegleri Jeanine Derby, T. P. Krantz 1977-1 s.n. Riverside Santa Rosa Mtns, Santa Rosa Mountain, along [Forest Service Road] 7S02 Comment
  UCR79471  Madia gracilis Steve Boyd, T. S. Ross 1992-5-6 7263 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. Oak Flats area, near Lucas Canyon Trail 762 Comment
  RSA358581  Mahonia repens Larry E. DeBuhr 1972-3-23 513 Riverside 6000 ft, along forest road 7S02 Comment
  POM12746  Maianthemum stellatum Philip A. Munz 1922-7-6 6006 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  CAS-BOT-BC514236  Maianthemum stellatum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley, San Gabriel mts. Comment
  RSA77212  Malacothamnus densiflorus var. densiflorus P. A. Munz 1923-6-14 7099 Riverside Glen Ivy Trail to Santiago Peak. 915 Comment
  UCR40080  Malacothamnus fasciculatus Steve Boyd 1985-7-23 1026 Riverside Peninsular Range, De Luz Road, 9.8 mi. west of Rancho California 244 Comment
Read comments
Oct 17 2006
  RSA94968  Malacothrix californica F. W. Peirson 1914-04 1478 Riverside Beaumont Comment
  RSA613900  Malacothrix clevelandii A. C. Sanders, P. J. MacKay, Tim C. Thomas, O. F. Clarke 1997-5-4 20629 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  UC1042975  Malacothrix clevelandii John and Lucille Roos 1954-5-15 6119 Riverside summit Reche Canyon; summit Reche Canyon 731 Comment
  UCR20727  Malacothrix clevelandii A. C. Sanders 1980-5-14 153 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  POM11908  Malacothrix coulteri P. A. Munz 1922-4-29 5108 Riverside Sedco Station, Temescal Canyon Comment
  CAS-BOT-BC347706  Malacothrix glabrata John Thomas Howell 1928-3-25 3550 Riverside 15 miles s. of Palm Springs on road to Indio, Colorado Desert Comment
  CLARK-A1656-698  Malacothrix glabrata Theo Glenn 1979-3-9 Riverside Palm Springs Comment
  RSA176343  Malacothrix glabrata R. F. Thorne 1963-3-29 32400 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA278966  Malacothrix glabrata B. A. Prigge 1978-3-23 2413 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UC1536762  Malacothrix glabrata G. H. True 1935-4-15 241 Riverside Mockingbird Canyon 457 Comment
  UCR77687  Malacothrix glabrata Steve Boyd, T. S. Ross, M. Hammitt 1991-5-2 6075 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  UCR264080  Malacothrix saxatilis S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1069 B Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  RSA722992  Malacothrix saxatilis var. tenuifolia Michael Wall 2007-6-26 429 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  IRVC26137  Malus sylvestris O. F. Clarke 1968-10-3 s.n. Riverside University of California, Riverside Comment
  CLARK-A1528-616  Malva parviflora C. M. Flanagan 1971-5-16 Riverside Riverside Comment
  RSA0107797  Mammillaria tetrancistra Duncan S. Bell, Amanda Turek 2009-3-30 174 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  UC403441  Mammillaria tetrancistra L. J. Childs 1925-1-5 Riverside Deep Creek Canyon Colorado Desert, Santa Rosa Mt. (mouth) Comment
  RSA552761  Marah macrocarpa Steve Boyd 1992-3-31 6747 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  SD138007  Marah macrocarpa Darin L. Banks, Steve Boyd 1995-3-30 131 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, Agua Tibia Mountain, Woodchuck Trail 633 Comment
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Jun 4 2009
  UCR2975  Marah macrocarpa Wm. Horn Jr. 1963-3-17 630317- 01 Riverside San Bernardino/ upper Santa Ana River Valley, Box Springs Mtns., east edge of Riverside, [Big Springs Canyon near spring marked on topo] 0.5 mi east of the east end of Big Springs Road 427 Comment
  JOTR37436  Marina parryi Hodges, Stephen R., T. Hender 2015-12-30 558 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road (Stop 1) Comment
  SBBG87724  Marina parryi S. Boyd, S. Meury, R. Noyes, L. Arnjseth, D. Nordin, T. Ross 1988-3-10 2131 Riverside 2 mi W of Palen Pass; N end of Palen Mtns 300 Comment
  SD247425  Marina parryi A. C. Sanders., Jim Malusa 2015-9-10 41863 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mile SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  UCR72199  Marina parryi Theo Glenn 1991-5-20 91- 99 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  UCR75077  Marina parryi A. C. Sanders, E. J. Lawlor 1992-4-4 12121 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR140306  Matricaria matricarioides A. C. Sanders 2004-4-9 27475 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  UCR230200  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UCR282163  Matricaria occidentalis R. E. Riefner Jr. 2017-5-18 17- 257 Riverside Perris-Aguanga Basin, city of Hemet, east of Winchester, north of Simpson Road, east of San Diego Aqueduct, west of active agricultural fields 467 Comment
  RSA543842  Meconella denticulata Steve Boyd, Orlando Mistretta 1991-5-22 6303 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UC1537025  Medicago polymorpha Gordon H. True Jr. 1935-3-18 120 Riverside valley e Citrus Expt. Station; Box Springs Comment
  SEINET13203029 Image available Medicago truncatula Walter Graves 1996-1 5971 Riverside Riverside, cultivated at UCR agricultural operations fields (Riverside East 7.5' Q.) 366 Comment
  RSA735385  Melia azedarach Steve Boyd 2007-4-20 11723 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh CanSoutheast-facing slope on English Lake trail. The Salmon Mountains., High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Areayon,'' ca. 0.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  SEINET2473431 Image available Melica frutescens Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37745 Riverside Peninsular Range; Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 404 Comment
  CAS-BOT-BC281599  Melica imperfecta H. M. Hall 1901-6-1 2079 Riverside In the vicinity of Chalk Hill, San Jacinto Mts 1463 Comment
  RSA27236  Melica imperfecta C. L. Hitchcock 1940-4-12 6042 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA403490  Melica imperfecta E. Crow 1929-3-17 206 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA571861  Melica imperfecta Christopher Davidson 1977-5-18 5622 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  UCR133029  Melica imperfecta Scott D. White 1993-4-22 1223 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCR136252  Melica imperfecta A. C. Sanders 2004-4-20 27548 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
  UCR2544  Melica imperfecta F. M. Reed 1906-3-17 925 Riverside Riverside. south fork of Arroyo Tequesquite, opposite bee ranch. Comment
  UCR94251  Melilotus albus Scott D. White 1996-4-14 3909 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  POM348169  Melilotus albus E. Crow 1929-2-22 168 Riverside Border of Santa Ana Mts. S of Corona Comment
  RSA543849  Mentha spicata Steve Boyd, Orlando Mistretta 1991-5-22 6315 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  POM14087  Mentzelia affinis P. A. Munz, D. D. Keck 1922-4-14 4974 Riverside Along the Whitewater, 10 miles W of Indian Wells 213 Comment
  RSA440389  Mentzelia desertorum E. C. Jaeger 1922-3-29 746 Riverside Box Canon, near Mecca, Colorado Desert 91 Comment
  JEPS42805  Mentzelia involucrata W. L. Jepson 1927-4-11 11620 Riverside Bridge Colorado Desert, Whitewater 457 Comment
  RSA440405  Mentzelia involucrata N. C. Cooper 1949-4-8 3249 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  UC672667  Mentzelia involucrata Margaret Stason 1927-2-12 1000 Riverside Colorado Desert,Palm Canyon Comment
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Nov 12 2011
  UCR175179  Mentzelia involucrata Jim Andre 2006-4-26 6760 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  POM14014  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-13 4940 Riverside Eagle Mountains. 244 Comment
  UCR279554  Mentzelia involucrata var. megalantha A. C. Sanders, Jim Malusa 2017-3-29 43186 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  CSUSB921  Mentzelia micrantha Richard L. Irwin 1962-4-21 0038 Riverside Beneath center of Crestmore Road bridge over Santa Ana River 243 Comment
  RSA446776  Mentzelia micrantha M. B. Dunkle 1934-6-18 3975 Riverside Upper San Juan Canyon. Comment
  RSA741030  Mentzelia montana Justin M. Wood, Brandy N. Ulrich 2008-7-14 19 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  UCR205968  Mentzelia obscura Scott D. White, Michael Honer 2003-4-30 9137 Riverside Sonoran (Colorado) Desert, Shavers Valley, about 1-2 mi SW of unnamed freeway exit at pumping station 457 Comment
  RSA192016  Mentzelia veatchiana E. W. Lathrop 1959-4-16 4446 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  UCR235117  Mesembryanthemum nodiflorum A. C. Sanders, John F. Green 2012-5-27 40220 Riverside Peninsular Range; Santa Ana Mtns. Region, Lake Elsinore area, Baker St. south of Nichols Rd. 386 Comment
  UCR275583  Mesembryanthemum nodiflorum T. B. Salvato 2005-6-13 605- 11 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  UCR266781  Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong 2015-3-25 315- 27 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  POM316517  Microseris heterocarpa Charlotte M. Wilder 1904-4-23 114 Riverside Jurupa Hills near Riverside. Comment
  RSA763053  Microseris heterocarpa E. W. Lathrop 1969-5-8 7023 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA0065433  Microseris heterocarpa Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 609 Comment
  POM363470  Microseris lindleyi M. M. Thompson 1947-6-9 2062 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA450314  Microseris lindleyi J. C. Roos 1950-4-5 4721 Riverside N side of Pigeon Pass 427 Comment
  UCR112560  Microseris lindleyi A. C. Sanders 1998-3-17 21742 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UCR18670  Microseris lindleyi John C. Roos 1950-4-5 4721 Riverside Peninsular Range, Box Springs Mtns., north side of Pigeon Pass 427 Comment
  UCR225609  Microseris lindleyi A. C. Sanders 2011-3-29 38835 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  SDSU13959  Mimetanthe pilosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2147 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, extreme southern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA38709  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11500 Riverside Indian Canyon, along Indian Canyon Truck Trail. 640 Comment
  UCR270305  Mimulus aurantiacus var. pubescens T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8373 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
  SDSU13952  Mimulus aurantiacus var. puniceus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2149 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA784741  Mimulus bigelovii Duncan S. Bell 2012-2-12 3086 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET3159638  Mimulus bigelovii S. B. Parish 1907-4-22 6165 Riverside Western border of the Colorado desert. 200 Comment
  JOTR35217  Mimulus bigelovii var. bigelovii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3641 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash (Stop 2) Comment
  SFV15669  Mimulus bigelovii var. bigelovii D. M. Thompson 1988-3-4 824 Riverside Vicinity of Shaver's Well. 7.3 miles from I-10 interchange along Bax Canyon Road to Mecca. North side of road in broad washes. About 100 yards above the road. 280 Comment
  RSA0054836  Mimulus brevipes Keith E. Hoffmaster 1937-6-6 763 Riverside Near Valle Vista, Hemet Valley. Comment
  CAS-BOT-BC9465  Mimulus diffusus Barbara Ertter; Jeffrey L. Strachan 1980-5-21 3483 Riverside Santa Rosa Mountain road (Forest Road 7S02) ca. 2 miles south of Highway 74 (Pines to Palms Highway) 1584 Comment
  POM229460  Mimulus diffusus P. A. Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  UCR156286  Mimulus floribundus T. B. Salvato, Kent Beaman 2005-5-16 838 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  LA26052  Mimulus guttatus Harlan Lewis; 1941-7-22 sn Riverside San Jacinto Mountains, Tahquitz Trail 1981 Comment
  UCR12281  Mimulus pilosus Art Whistler 1966-5-30 s.n. Riverside Box Springs Mtns., 100 yds. below split of roads to radio station at bottom of slope near Pigeon Pass Road near UCR Campus Comment
  CLARK-A1528-4271  Mimulus puniceus John C. Roos 1966-4-29 Riverside Lakeview Comment
  RSA600122  Mirabilis bigelovii var. retrorsa Louis C. Wheeler 1959-12-27 7639 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA652389  Mirabilis bigelovii var. retrorsa David B. Dunn, H. Lint 1955-4-1 11817 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  UCR114837  Mirabilis californica Mitch Provance 1998-2-13 17 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  POM14174  Mirabilis laevis var. crassifolia P. A. Munz 1922-4-9 4754 Riverside Palm Springs. 76 Comment
  SDSU16685  Mirabilis laevis var. crassifolia Francis H. Bozzolo 2006-4-16 7 Riverside Santa Margarita Ecological Reserve, northern end, ca. 0.1 miles south of North gate on Via Tornado road. Shallow slope on NW side of road, with single large Quercus sp at base. 360 Comment
  SJSU1864  Mirabilis laevis var. crassifolia J. W. Tilden 1957-4-18 1096 Riverside near Whitewater E of San Gorgonio Pass Comment
  RSA464821  Mirabilis laevis var. retrorsa M. B. Dunkle 1935-3-31 4432 Riverside Pinto Basin. 915 Comment
  RSA82951  Mirabilis multiflora var. pubescens R. M. Straw 1953-6-4 439 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
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Nov 19 2011
  RSA408767  Mohavea confertiflora W. M. Zabriskie 1973-2-16 115 Riverside Upper Pipistrelle Canyon, Deep Canyon drainage. N slope Santa Rosa Mrns. 762 Comment
  RSA550268  Mohavea confertiflora Walter Wisura, J. Dolan, M. Wall 1992-3-24 4628 Riverside Low desert: 10 mi NE of Mecca on Box Canyon Rd. Comment
  UC1063092  Mohavea confertiflora H. S. Yates 1937-3-23 6429 Riverside Painted Canyon 121 Comment
  UCD124024  Mohavea confertiflora P. C. Everett; E. K. Balls 1958-4-29 23020 Riverside along U.S. Hwy 60/70, Indio to Blythe. 502 Comment
  UCSC001507  Monardella lanceolata Peter Kamb 1948-10-21 1272 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  POM259259  Monardella linoides subsp. linoides P. A. Munz 1938-8-14 15380 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA408710  Monardella linoides subsp. linoides N. C. Cooper 1949-6-29 4286 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  UC63754  Monardella linoides subsp. linoides H. M. Hall 1901-6 2430 Riverside Tauquitz Valley San Jacinto Mountains 2133 Comment
  UCR132926  Monardella linoides subsp. linoides 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
  CAS-BOT-BC215494  Monardella nana Elizabeth McClintock 1941-6-8 68 Riverside 1 1/2 miles east of Ribbonwood, Pines to Palms Highway Comment
  CAS-BOT-BC215495  Monardella nana Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mts., trail to Hidden Lake, along rocky slopes of switchbacks Comment
  LA96076  Monardella nana Elizabeth McClintock; 1940-6-30 18 Riverside near Pine Flats on The Banning-Idyllwild road Comment
  SDSU7373  Monardella nana R. Harvin 1962-7-28 37 Riverside 2286 Comment
  UC1499897  Monardella nana Elizabeth McClintock 1941-6-8 58 Riverside Road to Santa Rosa Mt., 0.6 mi les above Pines to Palms Highway Comment
  UC25476  Monardella nana H. M. Hall May 1901 1852 Riverside Between Van Deventers and Palm Canyon eastern base of mountains along the borders of the desert, San Jacinto Mountains, Colorado Desert 1219 Comment
  RSA750417  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 54 Riverside About 5 miles from the Anza Monument turn off. Comment
  UCR221494  Monardella nana subsp. arida Elizabeth McClintock, D. Weiner 1941-7-11 99 Riverside Peninsular Range; San Jacinto Mtns., Black Mountain, 0.75 mi. mile below the snow gate 2317 Comment
  UCR23123  Monardella nana subsp. arida Jeanine Derby 1978-6-9 s.n. Riverside Santa Jacinto Mtns, [upper Bull Canyon] on FS Rd. 7S13 Comment
  RSA750315  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 130 Riverside San Jacinto Mts. on slope south of Strawberry Creek and west of Domengonio Flats. Comment
  UCR221465  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-13 112 Riverside Peninsular Range; San Jacinto Mtns., near sawmill at Domengonio [Domenigoni] Flats [Strawberry Valley near Camp Emerson & USC Idyllwild campus], on old Idyllwild road [Tollgate Rd.] 1555 Comment
  SBBG1816  Monolepis nuttalliana H. and M. Dearing 1939-4-5 3093 Riverside Hemet Valley Comment
  JOTR32860  Monoptilon bellidiforme La Doux, Tasha, E. Babich 2008-3-5 3007 Riverside Joshua Tree National Park. NW Eagle Mountains, approx. 2 mi NE of Cottonwood Visitor Center Comment
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Oct 12 2013
  CAS-BOT-BC349808  Monoptilon bellioides LeRoy Abrams 1903-4-6 3210 Riverside Palm Springs Station Comment
  RSA0118056  Monoptilon bellioides Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7613 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA3974  Monoptilon bellioides C. B. Wolf 1932-4-29 3112 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 243 Comment
  UCR141143  Monoptilon bellioides June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  CAS-BOT-BC267020  Muhlenbergia filiformis Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, Mount San Jacinto 2438 Comment
  RSA87356  Muhlenbergia microsperma F. W. Peirson 1921-3-22 4323 Riverside Andreas Canyon, Palm Springs region Comment
  SD224803  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. MacKay, et al 1995-3-19 16182 Riverside Coachella Valley/San Jacinto Mtns. Foothills: Chino Canyon near the Palm Spring tram station. 794 Comment
  SEINET949799  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-1 32651 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north Clinton Keith Rd., vicinity of peak 2279 (Murrieta 7.5' Q). 1900 Comment
  UCR20871  Muhlenbergia microsperma Steve Boyd 1980-5-14 s.n. Riverside Perris Basin, Motte Reserve, in the rocky hills 2.5 mi NW of Perris 518 Comment
  UCR2588  Muhlenbergia microsperma F. M. Reed 1917-5-19 3857 Riverside Sonoran (Colorado) Desert, Palm Canyon, near palm grove Comment
  POM9221  Muhlenbergia microsperma I. M. Johnston 1920-5-8 2267 Riverside Jurupa Mountains, extreme west end. Comment
  UC39890  Muhlenbergia richardsonis H. M. Hall July, 1901 2341 Riverside vicinity of Deer Springs San Jacinto Mountains 2743 Comment
  CLARK-A1528-4763  Muhlenbergia rigens John C. Roos 1947-11-1 Riverside Eagle Mountain Comment
  RSA678948  Muilla maritima Scott D. White, Michael Honer 2003-6-3 9492 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR42546  Muilla maritima B. G. Pitzer 1986-4-26 0182 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCR261865  Myoporum parvifolium Tim Thomas, P. J. MacKay 2014-5-17 6312 Riverside Western Riverside County, Beaumont, industrial complex adjacent to and south of West 4th Street 768 Comment
  UCR76165  Myosurus minimus subsp. apus A. C. Sanders 1993-4-1 13664 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  SBBG99407  Nama demissa W. L. Halvorson 1977-2-15 77 -29 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  RSA23266  Nama demissa var. deserti Ernest Braunton 1940-03 2035 Riverside Berdoo Canyon. Comment
  UCR29819  Nama pusilla George K. Helmkamp 1983-3-24 383- 9 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UCR94483  Narcissus tazetta Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  RSA689488  Nassella pulchra Scott D. White, Michael Honer 2003-4-2 8899 Riverside Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  SEINET3523241 Image available Nasturtium officinale Diane L. Ill 1985-5-12 40 Riverside Gavilan Hills, Hartford Springs, 1.6 miles south of Cajalco Road on Gavilan Road. Right side of road along Spring. Comment
  JEPS8950  Navarretia atractyloides Rimo Bacigalupi with G. T. Robbins 1954-5-16 4470 Riverside 0.5 mi n Sage (1.5 mi s of junction of road to Red Mountain, along road from Hemet to Sage (Calif Hwy 179)) 762 Comment
  POM220131  Navarretia atractyloides F. M. Reed 1932-6-20 7239 Riverside Dry roadside opposite Prison Camp at Dripping Springs - road from Temecula to Aguanga. Comment
  RSA550479  Navarretia fossalis D. E. Bramlet 1992-5-8 2273 Riverside The site is south and west of the San Jacinto Wildlife Area, approximatly 1.2km north of Lakeview. It is located 700m. west of Davius Road, 61m north of Marvin Road. and 30m east of the San Jacinto River levee. 433 Comment
  RSA556462  Navarretia fossalis Julie Greene 1993-4-30 1246 Riverside San Jacinto Wildlife Area. South of visitors center, by waterfowl kiosk, east of Davis Road. 433 Comment
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Aug 2 2016
  UCR70679  Navarretia fossalis D. E. Bramlet 1991-6-1 2181 Riverside Perris-Aguanga Basin region, San Jacinto River, open swale area, about 2 km west of Lakeview and 30 m east of the river, about 170 m north of MWD easement road 473 Comment
  UC1483308  Navarretia prostrata Robert F. Thorne 1974-5-23 44667 Riverside top of Mesa de Colorado Santa Rosa Plateau, Rancho California, Mesa de Colorado 624 Comment
  POM47790  Nemacaulis denudata var. gracilis Mary F. Spencer 1918-4-13 803 Riverside Palm Springs. 137 Comment
  SEINET10939197  Nemacladus glanduliferus var. glanduliferus Philip A. Munz, David D. Keck 1922-4-9 Munz 4824 Riverside South base of Eagle Mountains, 3 miles northeast of the "Hayfields"; Colorado Desert 213 Comment
  JEPS22350  Nemacladus orientalis Rimo Bacigalupi with Roxana S. Ferris 1958-3-21 6252 Riverside 11.3 mi n Blythe (e slope of Big Maria Mts, 0.25 above Colorado River); Big Maria Mts., Colorado River 170 Comment
  RSA439283  Nemacladus pinnatifidus J. D. Olmsted 1962-5-10 3644 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  UC1979625  Nemacladus ramosissimus D. L Banks, Steve Boyd 1995-5-17 0453 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  UCR139157  Nemacladus ramosissimus S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1204 Comment
  RSA757628  Nemacladus sigmoideus LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4326 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA777733  Nemacladus sigmoideus J. Andre, G. L. Clifton 2011-2-22 17450 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  POM68098  Nemacladus tenuis var. tenuis Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  UCR20301B  Nemacladus tenuis var. tenuis John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  RSA670724  Nemophila menziesii Bonnie C. Templeton, I. W. Clokey 1930-4-9 1022 Riverside North of Banning 457 Comment
  RSA771734  Nemophila menziesii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4780 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SD181486  Nemophila menziesii Scott D. White 2000-4-12 7644 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. 1616 Comment
  UCR163358  Nemophila menziesii 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
  UCR98180  Nemophila menziesii Scott D. White 1997-2-9 4670 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCR140301  Nemophila menziesii var. menziesii A. C. Sanders 2004-4-9 27462 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA426681  Nicotiana bigelovii var. wallacei H. Twining 1890-05 s.n. Riverside Foothills [Riverside] Comment
  CHSC64673  Nicotiana obtusifolia Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 20 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 wash. 380 Comment
  UCR174234  Nicotiana quadrivalvis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32665 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR87615  Nicotiana quadrivalvis A. C. Sanders 1994-5-30 14620 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SBBG58714  Nolina parryi R. Hoffmann 1929-9-11 Riverside Hamilton Grade Comment
  UC63697  Oenanthe sarmentosa W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River, Spring Brook 259 Comment
  RSA0056389  Oenothera brevipes J. R. Shevock 1971-5-8 1033 Riverside Joshua Tree National Monument. 701 Comment
  RSA741196  Oenothera californica subsp. californica Scott D. White, Justin M. Wood 2008-5-15 11972 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA0113587  Oenothera claviformis Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1991 Riverside 50 miles north of Blythe, Colorado Desert. Comment
  CDA38162  Oenothera deltoides M. Wasbauer 1960-3-26 s.n. Riverside Palm Springs. 0 Comment
  RSA779628  Oenothera deltoides Duncan S. Bell 2010-4-1 44222 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  POM355588  Oenothera deltoides subsp. deltoides A. Menke 1955-4-26 s.n. Riverside Indian Wells Comment
  CDA38176  Oenothera pallidula M. Wasbauer 1960-3-26 s.n. Riverside Shaver s Summit. 0 Comment
  UCR166192  Oligomeris linifolia Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  UCR166850  Oligomeris linifolia Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  POM348466  Olneya tesota Robert Gustafson, Gary D. Wallace 1982-5-19 2559 Riverside Living Desert Reserve, Palm Desert Comment
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Jul 14 2013
  CDA7543  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley. Ramona Expressway at east end of Lake Perris dam Comment
  SD185152  Oncosiphon piluliferum A. C. Sanders 2005-3-22 29245 Riverside 3rd St. near Gage Canal and railroad. 267 Comment
  UCR280999  Opuntia basilaris var. basilaris Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-31 317- 02 Riverside Temescal Valley, Corona, Mayhew Wash, west side of Campbell Ranch Rd., 300 ft. S of intersection with Temescal Canyon Rd. 328 Comment
  UCR156281  Opuntia littoralis T. B. Salvato, Kent Beaman 2005-5-16 827 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR26540  Opuntia littoralis A. C. Sanders, S. Hagopian 1981-5-20 2145 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  SEINET9037780 Image available Opuntia phaeacantha M. A. Baker 2015-1 18401 Riverside San Gorgonio Pass, 32km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4km ENE of Banning, broad wash of sand, silt, rock, and gravel, mostly granitic 638 Comment
  CAS-BOT-BC56225  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9457 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  POM285343  Opuntia polyacantha var. erinacea Lyman Benson 1955-12-6 15630 Riverside San Jacinto Mountain Range; Pines-to-Palms Highway. 1372 Comment
  SEINET10935681  Orobanche fasciculata James S. Miller 1992-5-8 Miller 7466 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
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Mar 1 2018
  RSA0034093  Orobanche parishii Duncan S. Bell 2013-1-30 4452 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA291602  Orthocarpus purpurascens C. W. Tilforth, Walter Wisura 1979-4-11 1779 Riverside Long Canyon, in wash, Rancho California Road, east of Temecula Comment
  RSA359869  Orthocarpus purpurascens Steve D. Boyd 1986-4-2 1612 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA741118  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2008-6-18 12245 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UC1929717  Oxalis californica Scott D. White 2003-3-21 8825 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
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May 28 2018
  UCR176682  Oxalis corniculata G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, near greenhouses 305 Comment
  UCR23214  Oxalis corniculata P. Tomlinson 1981-4-30 0008 Riverside University of California, Riverside campus; west of the perimeter road c. 10 ft. off the road between Parking Lot 8 and Greenhouses 1-5. Comment
  RSA741191  Oxytheca trilobata Scott D. White, Justin M. Wood 2008-6-16 12130 Riverside San Jacinto Mountains: Fobes Ranch Road N of Quinn Flat 1390 Comment
  UCR275947  Oxytheca trilobata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3786 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  CAS-BOT-BC327912  Palafoxia arida Ira L. Wiggins 1941-3-27 9670 Riverside About 4 miles NE of Desert Center on raod to Rice Comment
  SBBG65761  Palafoxia arida R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UCR148315  Palafoxia arida John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 Comment
  UCR166004  Palafoxia arida Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  SEINET10809649  Palafoxia arida David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3715 Riverside Bench. Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA278961  Palafoxia arida var. arida B. A. Prigge, L. Martinez 1978-3-23 2406 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 244 Comment
  RSA79149  Palafoxia arida var. arida P. A. Munz, Percy C. Everett 1952-5-2 16255 Riverside 2 miles east of Garnet, Coachella Valley. 30 Comment
  UCR260887  Palafoxia arida var. arida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41426 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  SEINET2053910 Image available Palafoxia arida var. gigantea John Adams 1965-4-17 130 Riverside Hwy 111, 2 mi. E of Palm Springs near foothjills. 243 Comment
  CAS-BOT-BC253904  Panicum urvilleanum Mary F. Spencer 1919-6-17 1311 Riverside San Jacinto 304 Comment
  RSA192346  Papaver californicum E. W. Lathrop 1967-5-14 306 Riverside 1-2 miles SW of Murrieta on the De Luz road. Comment
  CAS-BOT-BC274183  Pappostipa speciosa J. C. Roos 1965-6-13 s.n. Riverside East of Hemet Comment
  UCR234331  Parietaria hespera A. C. Sanders, John F. Green 2012-4-6 40010 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  CAS-BOT-BC413393  Parietaria hespera var. hespera Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  RSA180387  Parietaria hespera var. hespera E. W. Lathrop 1960-6-8 4925 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  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
  RSA605789  Parkinsonia aculeata Scott D. White 1996-3-23 3846 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: ''Friendly Hills Ranch''). 595 Comment
  JOTR32324  Parkinsonia florida 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
  UCR196357  Parkinsonia florida Naomi Fraga, Lisa Rojas 2005-2-10 1383 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR245248  Parkinsonia florida Jim Andre 2012-3-19 21342 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  SEINET3107289  Parkinsonia microphylla Sears 1977-10-12 S- 560 Riverside Corn Springs Road in Corn Springs Wash; 3 miles from Corn Springs and 5 miles from the highway. 439 Comment
  RSA69815  Paspalum dilatatum J. C. Roos 1951-9-25 5262 Riverside West end Fairmount Park 259 Comment
  UCR92095  Paspalum distichum Scott D. White, S. Ogg 1994-10-17 2486 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  UCR93098  Pectis papposa F. M. Reed 1929-11-6 6636 Riverside Sonoran (Colorado) Desert, mouth of Fish Trap Canyon, south of Indio 46 Comment
  JOTR38523  Pectis papposa var. papposa Harding, Mitzi, Kipp Callahan 2012-8-27 292 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA782000  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 106 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  SFV11423  Pectis papposa var. papposa M. L. Vincent, R. H. Swade 1963-10-19 447 Riverside Within 3 miles of California State Highway 74 (Pines to Palms Highway) as highway crosses Santa Rosa Indian Reservation. About 1.5 miles west of Santa Rosa summit. 1503 Comment
  UC65019  Pectis papposa var. papposa E. E. Schellenger 1904-10-19 20 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  UCR20973  Pectocarya anisocarpa A. C. Sanders 1980-5-2 1432 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR213570  Pectocarya anisocarpa A. C. Sanders, Matthew Malle 2010-4-23 38000 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA659689  Pectocarya linearis J. C. Roos 1952-2-29 5371 Riverside Reche Canyon. 457 Comment
  SD130322  Pectocarya linearis Ed LaRue 1990-4-13 Riverside 0.5 miles northwest of Aguanga, north of Highway 79 and west of Highway371, ca. 1.5 air miles north of San Diego County Line 640 Comment
  UCR133686  Pectocarya linearis Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CLARK-A1045-83  Pectocarya penicillata George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains .5 mile [north northwest] from CA Highway 74; Hemet 15'Q Comment
  RSA543608  Pectocarya penicillata Steve Boyd 1991-5-7 6170 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR215507  Pectocarya penicillata Daphne K. Christopher, Hannah I. Stevens 2003-4-3 079 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCR47802  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside St. Johns Grade near Hemet 770 Comment
  SBBG81515  Pectocarya platycarpa S. A. Junak 1983-3-23 1621 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  JOTR30141  Pectocarya recurvata La Doux, Tasha 2008-2-4 1707 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA496356  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3030 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  UCR103272  Pectocarya recurvata B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3576 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
  UCR49252B  Pectocarya recurvata Steve Boyd 1986-3-9 1385 B Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  SD39276  Pectocarya setosa Edith A. Purer 1935-4-21 6451 Riverside Pine Valley, Pines to Palms Highway Comment
  UCR91598  Pedicularis densiflora D. L. Banks, Steve Boyd 1995-3-15 0060 Riverside NW Palomar Mtns, Agua Tibia Mountains Watershed: Agua Tibia Wilderness Area, N face of Agua Tibia Mountain, Dorland Mountain area 680 Comment
  POM348828  Pediomelum californicum N. C. Cooper 1944-5-20 1263 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  UC1874932  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 1952-4-25 1152 Riverside Along Hwy 243, 2.5 road mi from Banning. Comment
  RSA770702  Pellaea mucronata var. mucronata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4804 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA771794  Pennisetum setaceum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4471 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 W116.64309 487 Comment
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Sep 9 2012
  NY583869  Penstemon centranthifolius W. L. Jepson 1939-4-17 19163 Riverside 3 miles east of Temecula, on State Highway No. 71 Comment
  RSA698918  Penstemon centranthifolius J. Vlahos 1934-6-3 s.n. Riverside Transition zone. Comment
  SEINET3079731 Image available Penstemon centranthifolius J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  LA35546  Penstemon clevelandii Ronald A. Cross; April 1952 - May 1952 sn Riverside Santa Rosa Mountains, near junction of Santa Rosa Trail & California Hwy 74 Comment
  CAS-BOT-BC265285  Penstemon clevelandii subsp. connatus Peter H. Raven 1958-5-6 12925 Riverside Along State Highway 74, 15.6 miles SW of Palm Desert Comment
  JEPS7550  Penstemon clevelandii var. connatus Marjorie D. Clary 1932-6-5 962 Riverside Dead Indian Trail Santa Rosa Mts., Carrizo Creek, Dead Indian Trail Comment
  NY583964  Penstemon clevelandii var. connatus F. W. Pennell 1940-4-28 25288 Riverside Route 74, below Ribbonwood, east of San Jacinto Range 1066.8 Comment
  UC27487  Penstemon grinnellii H. M. Hall 1897-7-28 737 Riverside San Jacinto Mts. Comment
  UC454142  Penstemon labrosus I. J. Condit 1910-6-21 Riverside near Idyllwild (San Jacinto Mts.); , near Idyllwild 1584 Comment
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Mar 21 2011
  UCSB37908  Penstemon labrosus Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W 1/2 sec. 28 2072 Comment
  PASA881  Penstemon linarioides var. californicus Frank W. Peirson 1922-5-21 Riverside Hamet Valley, San Jacinto Mts. 1371 Comment
  JEPS11104  Penstemon rostriflorus Marjorie D. Clary 1932-7-4 968 Riverside 10 mi sw Kenworthy (Santa Rosa Mts.); , sw of Kenworthy 1371 Comment
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Nov 1 2011
  NY661151  Penstemon spectabilis var. spectabilis E. K. Balls 1953-8-19 18534 Riverside 1-1.5 miles west of Anza along highway from Anza to Aguanga 1219.2 Comment
  SD137596  Penstemon spectabilis var. spectabilis Darin L. Banks 1995-4-11 165 Riverside Cleveland National Forest; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail 694 Comment
  JOTR16855  Penstemon thurberi Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  RSA0013152  Pentachaeta aurea subsp. aurea LeRoy Gross, Duncan S. Bell 2013-4-30 6020 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA0094740  Pentagramma maxonii P. A. Munz 1921-12-31 4702 Riverside Andreas Canyon, Colorado Desert. Comment
  UC63690  Perideridia parishii subsp. latifolia H. M. Hall 1897-8-16 851 Riverside San Jacinto Mt.; bogs and meadows 2499 Comment
  CAS-BOT-BC77491  Peritoma arborea var. angustata Philip A. Munz 1947-4-10 11723 Riverside Shavers Well, northeast of Mecca 243 Comment
  UCD116370  Peritoma arborea var. angustata Richard Bates 1949-4-25 s.n. Riverside Palm Springs area, Palm Canon. Comment
  CLARK-A1528-4973  Perityle emoryi John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA779577  Perityle emoryi Duncan S. Bell 2009-3-7 9 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SD254713  Petunia parviflora D. E. Bramlet, Fred M. Roberts 2005-6-6 3868 Riverside San Jacinto Valley: San Jicinto River at Sanderson Ave., north Ramona Expressway. 447 Comment
  UC1523403  Peucephyllum schottii Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54079 Riverside 3.2 mi n Hwy. 10 and Whitewater P.O. (branch ravine running w from Whitewater Canyon, w of road); San Bernardino Mts. 609 Comment
  SEINET10801063  Peucephyllum schottii David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3700 Riverside Pushawalla; growing in the wash. Indio Hills, Colorado Desert. Comment
  UCR241797  Phacelia ambigua A. C. Sanders, Ann Howald 2013-2-28 40560 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCSB38663  Phacelia campanularia Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  SDSU18658  Phacelia campanularia subsp. campanularia Michael G. Simpson, Kristen Hasenstab 2008-4-2 2948 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  UCR200335  Phacelia campanularia subsp. campanularia Tasha La Doux, Jim Andre 2008-3-20 212 Riverside Sonoran (Colorado) Desert, along Hwy I-10 at Whitewater exit, on south-facing slope at White Water River crossing 418 Comment
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Nov 11 2010
  RSA114702  Phacelia campanularia subsp. vasiformis P. A. Munz, Percy C. Everett 1952-5-2 20385 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  CLARK-A1528-553  Phacelia cicutaria Annette Price 1962-4-22 O 35 Riverside Lake Mathews Comment
  UCR85569  Phacelia ciliata Julie A. Greene 1993-4-17 1202 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  SD224995  Phacelia crenulata A. C. Sanders, G. K. Helmkamp & P. MacKay 1995-3-12 16037 Riverside Coachella Valley: Indio, just S of the Whitewater River Channel at Auto Center Dr. -7 Comment
  UC1563073  Phacelia crenulata var. ambigua Steve Boyd and Orlando Mistretta 1986-3-13 1440 Riverside ne Desert Center; West side Palen Mts. Comment
  UCD120367  Phacelia crenulata var. ambigua Richard Bates 1949-4-25 s.n. Riverside Cathedral Canon, southeast Palm Springs. Comment
  UCR268935  Phacelia crenulata var. ambigua Jim Andre 2015-3-2 31361 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 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
  HSC66622  Phacelia distans Christopher Davidson 1979-4-4 7726 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  RSA426206  Phacelia distans N. C. Cooper 1945-5-24 2003 Riverside Big Oaks Canyon, Banning 1220 Comment
  RSA426213  Phacelia distans N. C. Cooper 1945-5-5 2250 Riverside San Gorgonio Mountains above Banning. 915 Comment
  RSA650531  Phacelia distans Dolores Perez 1981-4-11 21 Riverside Cajalco Rd., S. of Lake Matthews. Comment
  RSA651699  Phacelia distans Diane M. Ramirez 1983-5-15 29 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA699150  Phacelia distans J. R. Bruff 1928-4-2 117 Riverside Canyon wash west of Morango Comment
  RSA770446  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4558 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA800054  Phacelia distans Jim Andre 2012-3-19 21318 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  SD72092  Phacelia distans John Thomas Howell 1930-5-10 4791 Riverside St. John's Grade Comment
  UCR98692  Phacelia distans S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  JOTR01172  Phacelia fremontii Cole, James E. 1941-5-2 673 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  RSA764119  Phacelia imbricata subsp. patula L. M. Prince, Duncan S. Bell 2009-6-17 582 Riverside Cleveland National Forest Comment
  CSUSB147  Phacelia minor Mike Meloy 1964-5-7 640507 6 Riverside Box Springs Mountains Box Springs Mountain- Lower slopes. 365 Comment
  POM158465  Phacelia minor P. A. Munz 1927-5-20 10827 Riverside 10 miles S. of Hemet. Comment
  RSA271891  Phacelia minor C. W. Tilforth 1978-4-30 1563 Riverside Low, rounded hills east of Norco. Comment
  RSA516879  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  UCR107393  Phacelia minor B. G. Pitzer 1997-3-23 2948 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR91607  Phacelia minor D. L. Banks 1995-4-11 0171 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 951 Comment
  POM14110  Phacelia neglecta P. A. Munz, D. D. Keck 1922-4-9 4873 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA0108816  Phacelia neglecta Duncan S. Bell, Amanda Turek 2009-3-30 188 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UCR279396  Phacelia neglecta A. C. Sanders, Jim Malusa 2017-3-25 43011 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
  UC881200  Phacelia pedicellata C. L. Hitchcock 1940-3-31 5887 Riverside between Cottonwood Spring and Pinto Basin Comment
  UCR220338  Phalaris lemmonii D. E. Bramlet 1991-5-7 2128 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  RSA676038  Phalaris minor Scott D. White 2001-4-11 8290 Riverside SONORAN DESERT: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  UCR117387  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UC415567 Image available Philadelphus microphyllus var. stramineus H. M. Hall 1901-7 2500 Riverside Vicinity of Tamarack Valley San Jacinto Mts. 2529 Comment
  UCR14559  Pholisma arenarium R. Kniffen, J. Kniffen 1974-5-19 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument [now National Park], Queen Valley 1341 Comment
  UC665770  Pholistoma membranaceum Ira L. Wiggins 1941-3-27 9698 Riverside slopes 4 mi. n. Whitewater Comment
  SD143690  Phoradendron bolleanum Andy C. Sanders, P. MacKay, L.& P. Lubinsky 1994-10-30 15833 Riverside San Bernardino Mountains, Whitewater River Canyon between Red Dome and Stills Landing, SE of VABM Paw 911 Comment
  UCR281867  Phoradendron californicum A. C. Sanders, Jim Malusa 2017-9-21 43356 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCR95733  Phoradendron californicum L. C. Wheeler 1956-2-25 7176 Riverside Sonoran (Colorado) Desert, Deep Canyon, south of Palm Desert Comment
  SD229303  Phoradendron leucarpum subsp. tomentosum Dick Schwenkmeyer 2012-8-6 773 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  SD232811  Phoradendron macrophyllum A. C. Sanders, J. Goetzen 1996-5-1 18141 Riverside Moronogo Indian Reservation, along dirt road in Hathway Crk. Cyn., N of Banning. 792 Comment
  POM354351  Phoradendron villosum N. C. Cooper 1945-5-24 1630 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA559455  Phoradendron villosum Steve D. Boyd, Tim S. Ross 1992-5-5 7212 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  SD119900  Physalis acutifolia Kenneth Chapman 1971-8-22 424 Riverside San Jacinto Valley - west side - growing along edges of cultivated fields 472 Comment
  POM118489  Physalis crassifolia Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  UCR116605  Physalis crassifolia A. C. Sanders 2001-4-8 23980 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
  UCR4493  Physalis crassifolia Frank C. Vasek 1960-3-24 600324- 17 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  OBI47598  Phytolacca americana Don Domenigoni 1986-4-21 s.n. Riverside Young Property, Hemet Comment
  UC1134062  Pinus monophylla R. St. John 1931-1-15 173 Riverside Vandevender Flat San Jacinto Quadrangle Comment
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Jul 5 2010
  LA6148  Pinus ponderosa Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Strawberry Valley Comment
  RSA247352  Pinus quadrifolia G. D. Wallace, D. Wilken 1966-7-3 635 Riverside San Jacinto Mtns up Thomas Mtn. Rd. west of Palm Desert. Comment
  RSA282903  Pinus quadrifolia C. W. Tilforth, J. Dourley 1980-7-15 2082 Riverside South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74. Comment
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Mar 28 2014
  UCD134972  Pinus quadrifolia John Thomas Howell 1960-3-24 35150 Riverside On road to Anza just south of Palms to Pines Highway. 1463 Comment
  UCD134979  Pinus quadrifolia Jo Ann Olson; Gary R. Robbins 1969-3-29 21 Riverside On Vandeventer Flat, 2 miles south of State Highway 74 and 21 miles (by car) west of Palm Desert. 1447 Comment
  UCSB143  Pinus quadrifolia White, Arthur 1960-5-15 Riverside 75 yds. n. of road to Anza, 0.4 mi. w. of its junction with Hwy. 74 Comment
  RSA282946  Piptatherum miliaceum C. W. Tilforth 1980-3-30 1933 Riverside East fence line of Swan Lake Mobile Home Park, north of Norco, Mira Loma Comment
  RSA334993  Piptatherum miliaceum Steve Boyd 1985-7-23 1018 Riverside De Luz Road, 8.0 miles west of Rancho California. Side canyon of Sandia Creek. 305 Comment
  UCR84048  Pistacia atlantica A. C. Sanders, L. Ard 1994-7-11 15060 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  SD240929  Plagiobothrys acanthocarpus A. C. Sanders, T. B. Salvato 2011-4-1 38943 Riverside Peninsular Range: Lake Elsonore, SW of Baker St along dirt branch road to microwave tower, near large water tank on hill (Lake Elsinore 7.5'Q) 409 Comment
  SEINET2445423  Plagiobothrys arizonicus Daphne K. Christopher, Hannah Stevens 2003-4-7 114 Riverside Santa Rosa Plateau Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  UCR133980  Plagiobothrys arizonicus Mitch Provance, J. S. Ross 1998-3-27 MOR- 975 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  RSA709189  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2005-4-28 29769 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  UCR140313  Plagiobothrys canescens A. C. Sanders, Guy Bruyea 2004-4-2 27414 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR154641  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2005-4-28 29769 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  POM8982  Plagiobothrys collinus var. californicus P. A. Munz, Harwood 1920-3-20 3378 Riverside 5 miles S of Corona. 305 Comment
  RSA655091  Plagiobothrys collinus var. californicus Scott D. White 2000-4-17 7651 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA661316  Plagiobothrys collinus var. californicus Mitch Provance 1998-4-10 410 Riverside E facing slopes of hills at W extreme of Cypress Ave. 305 Comment
  UC1605427  Plagiobothrys collinus var. californicus Steve Boyd 1986-4-2 1595 Riverside Harford Springs County Park Gavilan Hills, Gavilan Hills, Harford Springs County Park 609 Comment
  UCR111554  Plagiobothrys collinus var. californicus Mitch Provance, J. Ross 1999-4-1 1729 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  UCR241829  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy W. Chumley 2013-4-3 40763 Riverside Peninsular Range, Temescal Canyon SE of Horsethief Canyon Rd, and just west of I-15 Fwy, SE of Corona (Lee) lake 392 Comment
  POM158442  Plagiobothrys collinus var. fulvescens P. A. Munz 1927-5-21 10856 Riverside San Carlos Pass, Ansa. 1372 Comment
  RSA639627  Plagiobothrys fulvus var. campestris R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51976 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA0012077  Plagiobothrys leptocladus Jeremiah George 2012-3-4 s.n. Riverside Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  SEINET7063023  Plagiobothrys nothofulvus A. G. Vestal 1962-3-29 s.n. Riverside Canyon south of Murrieta. Northeast side of the Santa Ana Mountains. UTM Zone 11, 483500mE, 3701101mN. (WGS84/NAD83). 256 Comment
  UCR116457  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato 2001-3-30 23872 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  RSA525332  Plagiobothrys tenellus Steve Boyd, A. Sanders, Mark Skinner 1990-4-28 4462 b Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  SDSU21874  Plagiobothrys undulatus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3991 Riverside Santa Rosa Plateau Ecological Reserve, near boardwalk overlook. Approximately 1.1 km east of parking area for vernal pool trail, parking lot ca. 4 miles north on road from Visitor's Center. 624 Comment
  UC1950031  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55209 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  UCR280604  Plantago elongata R. E. Riefner Jr. 2017-4-2 17- 144 Riverside city of Hemet, west Hemet, south of west Florida Ave. (SR74), southwest c. 0.35 mi from Lyn Ave. and California Ave. 482 Comment
  RSA523545  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4005 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA650596  Plantago erecta William Gilbert 1969-4-24 s.n. Riverside Hwy 71 and Temecula River. Comment
  UCR232036  Plantago erecta John F. Green 2008-4-24 11- 01 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, vicinity of Kimes Ln. 511 Comment
  UCR91997  Plantago lanceolata Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  POM319083  Plantago major Patricia Wilder 1970-10-15 4815 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  UCR103575  Plantago ovata George K. Helmkamp 1998-1-17 2527 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR167296  Plantago ovata Scott D. White 2005-3-29 10827 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA27476  Plantago ovata var. fastigiata I. L. Wiggins 1941-3-24 3588 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
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Feb 20 2013
  RSA4909  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-27 3025 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  POM8833  Plantago patagonica Mary F. Spencer 1920-4-10 801 Riverside Palm Springs. Colorado Desert. 122 Comment
  CAS-BOT-BC93216  Platanus racemosa Tom Paradise 1993-6-5 31 Riverside Santa Ana Mountains. Main Street Canyon. Corona. One mile upstream of Main Street and Upper Drive. Comment
  RSA221057  Platanus racemosa E. W. Lathrop 1966-5-8 6425 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  CAS-BOT-BC91880  Platystemon californicus Frank W. Peirson 1922-4-28 5325 Riverside Temescal Canyon. 274 Comment
  RSA192038  Platystemon californicus E. W. Lathrop 1959-4-16 4468 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  RSA357158  Platystemon californicus Robert F. Thorne 1973-5-23 43858 Riverside Santa Rosa Plateau-Mesa De Colorado. 610 Comment
  RSA615388  Platystemon californicus A. C. Sanders, G. K. Helmkamp 1997-3-15 s.n. Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn, NE slopes of a small hill. 473 Comment
  UCR201468  Platystemon californicus Scott D. White, Justin M. Wood 2008-5-15 11983 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  SEINET13710927  Platystemon californicus S. W. Austin, S. W. Austin 1969-1 23 Riverside W Slope of Mts, E of Railroad Tracks & N of RaviNE N of Big Springs Rd 1500 Ft 457 Comment
  RSA575737  Pleuraphis rigida S. J. Darbyshire, J. Cayouette 1994-9-17 4635 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  RSA697726  Pleuraphis rigida J. Russell Bruff s.n. Riverside Palm Springs. Comment
  RSA0030740  Pleuraphis rigida Bonnie C. Templeton 1930-4-9 1009 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  SEINET12534722 Image available Pleurocoronis pluriseta H. M. Hall 5992 Riverside Hills near Indio Comment
  POM4878  Pluchea odorata Geo R. Hall 1905-09 s.n. Riverside Riverside Comment
  UCR220311  Pluchea odorata Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  SD232152  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12260 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1584 Comment
  UCR113047  Poa secunda Mitch Provance, Seychelle Provance 1998-3-3 136 Riverside Riverside, top of North Hill, along the S edge of Lake Evans 960 Comment
  CAS-BOT-BC242994  Poa secunda subsp. secunda Philip A. Munz 1940-3-22 15658 Riverside Whitewater Canyon, 2 miles N of Banning-Indio Road Comment
  CAS-BOT-BC242995  Poa secunda subsp. secunda Philip A. Munz 1940-3-22 15658 Riverside Whitewater Canyon, 2 miles N of Banning-Indio Road Comment
  CAS-BOT-BC167528  Polygala acanthoclada Annie M. Alexander; Louise Kellogg 1941-5-18 2195 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains 975 Comment
  RSA192341  Polygala cornuta var. fishiae H. A. Zuill 1966-6-19 232 Riverside Cole Canyon, 1-2 miles WSW of Murrieta Comment
  RSA575829  Polygonum lapathifolium Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain. 317 Comment
  UC465745  Polygonum punctatum A. J. McClatchie 1896-7-8 Riverside Temecula Comment
  UCR189544  Polypogon interruptus Fred M. Roberts, S. Leatherman 2007-9-19 6581 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SBBG53740  Polypogon monspeliensis S. Boyd 1980-4-13 Riverside Harford Springs County Park, NW corner of the Gavilan plateau Comment
  UCR207621  Polypogon monspeliensis O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR275326  Polypogon monspeliensis Jeremiah George, Mitch Provance 2012-4-23 s.n. Riverside San Gorgonio Pass, Banning, 1.4 mile SCE powerline right-of-way from corner of Bobcat Rd. & Turtle Dove Ln. to just west of KOA camp at corner of Hwy 243 and Wesley St. 713 Comment
  RSA771034  Polypogon viridis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4541 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET10793989  Polystichum imbricans subsp. curtum George Yatskievych, Kay McCrary 1984-7-30 Yatskievych 84 -119a Riverside 0.6 mile S of Fuller Mill Creek Picnic Grounds on state Route 243; granitic side ravine of North Fork of San Jacinto River. T04S R02E S26 NE4. 1676 Comment
  SEINET273137  Poncirus trifoliata O. F. Clarke 1997-3-6 s.n. Riverside Riverside: O.F. Clarke's yard at 1012 Spruce St. 305 Comment
  SEINET12976199  Populus deltoides Ronald L. Hartman 1972-3-23 3233 Riverside Hwy 111, 2 mi N of Palm Springs. Comment
  UC494534  Populus fremontii subsp. fremontii Philip A. Munz 1931-3-13 11942 Riverside Blythe Comment
  SEINET11984523  Populus fremontii subsp. fremontii E. K. Balls, Everett, P. C. 1957-1 22797 Riverside Snow Creek, N base San Jacinto Mts 701 Comment
  RSA613425  Populus trichocarpa D. L. Banks 1997-4-5 1667 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  CAS-BOT-BC356167  Porophyllum gracile Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9537 Riverside 2 miles from Cottonwood Springs, Cottonwood Mts. Comment
  RSA494350  Porophyllum gracile Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  RSA599946  Porophyllum gracile L. C. Wheeler 1959-12-27 7635 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UCR269203  Porophyllum gracile Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 998 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in wash 423 Comment
  RSA71577  Portulaca halimoides J. C. Roos, Roos 1952-10-18 5900 Riverside Hidden Valley Campground 1220 Comment
  UCR158859  Portulaca oleracea Scott D. White 1994-6-23 2089 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR94922  Portulaca oleracea Scott D. White 1996-9-22 4534 Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  UC489190  Potamogeton diversifolius C. V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  RSA500203  Potamogeton pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3542 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  CDA39093  Prosopis glandulosa Mike Lahti 2013-5-2 PDR# 331 P06141962 Riverside Aguanga; Hwy. 79 south and Hwy. 371. 0 Comment
  CAS-BOT-BC216520  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles E of Blythe, Palo Verde Valley 76 Comment
  LA208120  Prunus fasciculata N. Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  UC495305  Prunus fasciculata C. L. Hitchcock 1932-4-8 12219 Riverside 1 mi W of Cottonwood Springs; eastern Riverside Co. Comment
  UCR265572  Prunus fasciculata Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 13 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  UC472699  Prunus fremontii M. F. Spencer 1918-4-1 Riverside Colardo Desert, Andreas Canyon Andreas Canyon; Colardo Desert, Andreas Canyon 100 Comment
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Jul 10 2009
  LA208168  Prunus virginiana var. demissa C. Epling; William Robison 1935-6-30 Riverside N fork San Jacinto River Comment
  RSA342002  Pseudognaphalium biolettii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54114 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  UC354458  Pseudognaphalium biolettii Edmund C. Jaeger 1925-5-2 Riverside Box Springs Mountains Riverside, Box Springs Mountains Comment
  SEINET10669298  Pseudognaphalium canescens subsp. microcephalum Nye Leith, Greg Gust 2005-3-11 Nye 69 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UCR280932  Pseudognaphalium microcephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 16 Riverside Temescal Valley, Mayhew Wash, 200 yards E of I-15, N side of Temescal Canyon Rd. 314 Comment
  RSA263656  Pseudotsuga macrocarpa E. W. Lathrop 1968-5-28 6920 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  UCR266315  Psilocarphus brevissimus D. E. Bramlet 1991-4-3 2109 Riverside Perris-Aguanga Basin region, west of Hemet, west of Warren Rd. across from Hemet-Ryan Airfield 457 Comment
  CAS-BOT-BC361784  Psilocarphus brevissimus var. brevissimus Robert F. Thorne; P. A. Munz; L. Lathrop 1968-5-8 37579 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  CAS-BOT-BC361785  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1993-5-12 14004 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the New San Diego Aqueduct and Warren 460 Comment
  JEPS35436  Psilostrophe cooperi W. L. Jepson 1928-4-25 12581 Riverside Cottonwood Springs Colorado Mts., Eagle Mts. 731 Comment
  POM254726  Psilostrophe cooperi P. A. Munz 1940-3-24 15698 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
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Nov 2 2011
  CAS-BOT-BC353619  Psorothamnus emoryi B. D. Stark 1932-6-15 3731 Riverside Whitewater, road to Indio, Colorado Desert 152 Comment
  CAS-BOT-BC353628  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside at Greundikes Well on Mecca-Blythe Road Comment
  RSA5156  Psorothamnus emoryi Carl B. Wolf 1932-4-26 2967 Riverside 3 mi. east of Mecca on Blythe Road. 0 Comment
  SBBG68074  Psorothamnus emoryi Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  UC68506  Psorothamnus emoryi H. M. Hall Apr. 1905 5949 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  CAS-BOT-BC340861  Psorothamnus schottii John Thomas Howell 1928-3-25 3548 Riverside Near entrance to Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC340869  Psorothamnus schottii Margaret Stason 1927-3-12 s.n. Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC340907  Psorothamnus schottii Annie M. Alexander; Louise Kellogg 1941-5-12 2161 Riverside Colorado Desert. Road to Black Eagle Mine, Eagle Mountains 777 Comment
  IRVC28835  Psorothamnus schottii Mark A. Elvin 2005-4-26 4224 Riverside Coachella Valley; N of Agua Caliente Indian Reservation; N of Ramon St.; 3km NW of thousand Palms Northern Sonoran Desert 183 Comment
  POM122472  Psorothamnus schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  POM128978  Psorothamnus schottii E. E. Schellenger 12 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  POM21637  Psorothamnus schottii F. W. Peirson 1921-4-13 566 Riverside Deep Canyon Wash, Coachella Valley Comment
  RSA303510  Psorothamnus schottii James R. Shevock 1971-5-8 1029 Riverside S Cottonwood Springs, Joshua Tree Natl Monument. 549 Comment
  POM46967  Psorothamnus spinosus Mary F. Spencer 1918-3-27 756 Riverside Palm Springs. 137 Comment
  UCR99810  Psorothamnus spinosus B. G. Pitzer 1996-11-11 2933 Riverside Sonoran (Colorado) Desert, Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. south of Bob's Cabin 274 Comment
  SD245884  Pteridium aquilinum var. pubescens Dick Schwenkmeyer 2012-6-27 749 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  JOTR31854  Pterostegia drymarioides La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2112 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  POM8825  Pterostegia drymarioides Mary F. Spencer 1920-7-4 s.n. Riverside [Palm?] Canyon 183 Comment
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Nov 19 2011
  UCR21940  Pterostegia drymarioides Steve Boyd 1980-4-8 104 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR92165  Pterostegia drymarioides D. L. Banks, Steve Boyd 1995-5-3 0229 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
  UCR97895  Pterostegia drymarioides A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19889 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA0094465  Pulicaria paludosa Duncan S. Bell 2015-8-12 8596 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  UCR116680  Pulicaria paludosa A. C. Sanders, Chet McGaugh 2001-7-26 24472 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  RSA0082840  Pyrola minor P. A. Munz 1922-9-6 6395 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  UCD47670  Quercus X acutidens Robert F. Thorne; E. Lathrop 1969-6-6 39348 Riverside Santa Rosa Plateau: Rancho California. 609 Comment
  UCD47712  Quercus X acutidens John M. Tucker 1941-5-30 262 Riverside Ortega summit, Highway 74, Riverside County, California. 812 Comment
  UCR209656  Quercus X morehus Fred M. Roberts, Robt. L. Allen 2008-6-23 7050 Riverside Santa Ana Mountains, Santiago Peak, eastern slope, Main Divide Truck Trail, at the junction with Coldwater Trail, 1.5 km east-northeast of the summit of the peak 1479 Comment
  UCSB7049  Quercus X morehus Riverside Banning Road, Mt. San Jacinto 1432 Comment
  RSA50465  Quercus X munzii P. A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  RSA600566  Quercus agrifolia Louis C. Wheeler 1962-7-26 8181 Riverside Temescal Valley. Comment
  UCR169237  Quercus agrifolia Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 08- 65 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  SDSU6972  Quercus agrifolia var. agrifolia Ruth Miller, James C. Dice 1987-11-23 753 Riverside Near northeast edge of Reserve, at north edge of Eucalyptus planting. T8S, R3W, section 22. 111 Comment
  RSA710402  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31561 Riverside San Jacinto Mtns.: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  RSA192167  Quercus berberidifolia E. W. Lathrop 1965-5-18 5757 Riverside 8 miles W of Murrieta. 610 Comment
  POM122373  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  CDA39789  Quercus cornelius-mulleri Mike Lahti, Suzanne Nikau Counter 2014-1-13 PDR# 331 P06141760 Riverside Pinyon Flats Campground along Highway 74 near Mountain Center. San Bernardino National Forest. 0 Comment
  NY201962  Quercus cornelius-mulleri J. B. Walker 1995-5-3 1408 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  UCD45606  Quercus cornelius-mulleri K. R. Montgomery 1969-6-9 69 19 Riverside Wilson Valley, 18 miles south of Hemet, Riverside County, California. Elev. 3500'. 1066 Comment
  RSA564290  Quercus engelmannii 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
  UCR94489  Quercus engelmannii Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills, 'Blue Oak Canyon,' tributary of Dawson Canyon draining N flank of Estelle Mountain. 427 Comment
  RSA0028790  Quercus kelloggii C. Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1585 Comment
  RSA654163  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22279 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UCR273976  Quercus wislizeni Mitch Provance 2012-4-27 412- 29 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
  UCR96886  Rafinesquia californica Scott D. White 1993-3-12 1168 Riverside Near Winchester 466 Comment
  POM34179  Rafinesquia neomexicana Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. Comment
  RSA278989  Rafinesquia neomexicana B. A. Prigge 1978-3-23 2439 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCD135347  Rafinesquia neomexicana LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1413 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  UCD135363  Rafinesquia neomexicana R. L. Smith 1948-3-25 s.n. Riverside Cabazon. 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
  RSA180257  Ranunculus californicus E. W. Lathrop 1965-4-4 5614 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UC63845  Ranunculus californicus H. M. Hall 1897-4-10 435 Riverside Pico's San Jacinto Valley (along ditch) Comment
  UCD96158  Ranunculus hebecarpus Scott D. White; Dave Bramlet 22-23 Apr 1999 7233 Riverside Lake Skinner Area, ridgetop, north-, west-, and northwest facing slopes of Bachelor Mountain. 548 Comment
  UCR18915  Ranunculus hebecarpus John C. Roos 1950-5-6 4790 Riverside Santa Ana Mtns., Hagador Canyon 610 Comment
  CLARK-A1045-161  Ranunculus occidentalis George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR136163  Rhamnus californica subsp. tomentella A. C. Sanders 2004-6-20 28215 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR140656  Rhamnus californica subsp. tomentella Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 90 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  CAS-BOT-BC59507  Rhamnus crocea A. C. Sanders 2006-5-19 32446 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cy./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UC592847  Rhamnus crocea B. D. Stark 1933-2-19 Riverside 2.5 mi e Nuevo 457 Comment
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Jan 2 2015
  UC18547  Rhamnus ilicifolia H. M. Hall 1901-6 2017 Riverside canyon of the San Jacinto River San Jacinto Mountains Comment
  CAS-BOT-BC200030  Rhododendron occidentale var. californicum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UCR89664  Rhus aromatica Bern Schwenn 1994-4-5 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mountains, Joshua Tree National Monument [now J.T. National Park], lower Johnny Lang Canyon, northeast of Quail Mountain 1468 Comment
  UCR159255  Rhus laurina A. C. Sanders, Kelly Volansky 2005-8-31 31593 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
  RSA605761  Rhus ovata Scott D. White 1996-3-16 3820 Riverside Perris Basin, Lakeview Mts, N of Winchester, at ''Maze Stone'' Picnic Area 610 Comment
  CAS-BOT-BC93063  Ribes californicum var. hesperium Carl B. Wolf 1932-2-11 2642 Riverside Hidden Canyon, 5 miles west of Corona. Santa Ana Mountains. Base of Skyline Drive. 405 Comment
  RSA476150  Ribes cereum M. B. Dunkle 1933-7-23 3762 Riverside San Jacinto Peak 3302 Comment
  UCR70835  Ribes cereum var. cereum C. B. Wolf 1932-8-5 03968 Riverside San Jacinto Mtns, On trail from Tahquitz Valley to San Jacinto Peak 2805 Comment
  POM256961  Ribes indecorum W. Pequegnat 1939-12-26 s.n. Riverside 1 mile NW Trabuco Peak, Santa Ana Mts. 1067 Comment
  UCR3196  Ribes indecorum Chuck Elliott 1964-3-3 s.n. Riverside Peninsular Range, [Two Trees Canyon, Box Springs Mtns.] 0.25 mi past Two Trees Road and Belvedere 366 Comment
  RSA263743  Ribes malvaceum var. viridifolium E. W. Lathrop 1968-5-22 6910 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  OBI70000  Ribes roezlii David Charlton 1988-5-21 1910 Riverside Thomas Mtn rd, from N to S. W of Garner Valley and S of Lake Hemet on hwy 74 1829 Comment
  UCR251302  Ricinus communis T. B. Salvato, Matthew Malle 2014-4-8 7827 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
  CAS-BOT-BC92172  Romneya coulteri var. coulteri S. B. Parish 1897-5-29 4394 Riverside Temescal. 396 Comment
  SDSU12269  Rorippa nasturtium-aquaticum Jeremy Mass, Ryan Jacobsen 2000-4-19 18 Riverside Growing in Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  UCR155937  Rorippa nasturtium-aquaticum 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
  RSA561110  Rosa californica Steve D. Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7323 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, 365 Comment
  RSA556445  Rumex pulcher Julie Greene 1993-4-17 1224 Riverside West of Davis Road. 433 Comment
  CAS-BOT-BC433960  Rumex salicifolius Steve Boyd 1992-4-15 6874 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 487 Comment
  UCR151035  Rumex salicifolius Scott D. White 1998-7-31 6930 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  RSA444472  Rupertia physodes J. C. Roos 1960-5-30 s.n. Riverside Santa Ana Mountains: Ridge N of Bedford Peak with Calochortus albus, semi shade 1220 Comment
  RSA777330  Salazaria mexicana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 827 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCR125290  Salicornia virginica A. C. Sanders 2002-11-21 25645 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  CAS-BOT-BC129742  Salix bonplandiana Marcus E. Jones 1927-4-12 5 M-11-26 Riverside The Pipes, near Morongo Valley Comment
  POM248440  Salix exigua Philip Crow 1939-7-13 s.n. Riverside Blythe. Comment
  POM319274  Salix exigua Patricia Wilder 1971-3-20 4907 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  UC469391  Salix exigua F. R. Fosberg 1930-3-9 S 1550 Riverside almost on San Bernardino Co. line Mission Creek Canyon; Little San Bernardino Mts. 800 Comment
  UC483070  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  SEINET10965411  Salix exigua David B. Dunn 1946-2-22 Dunn 1946 Riverside Collected on the n side of whitewater colorado desert. Comment
  LA208657  Salix gooddingii Philip A. Munz; 1932-3-24 12032 Riverside N of Elsinore 304 Comment
  RSA18197  Salix gooddingii Carl B. Wolf 1929-5-31 3739 Riverside 1 mi. NW of Santa Ana River on Corona-Chino road. Comment
  UC143229  Salix gooddingii C. F. Baker 1903-4-4 4146 Riverside Elsinore Comment
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Jul 8 2009
  UCR235089  Salix gooddingii A. C. Sanders, John F. Green 2012-5-27 40207 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA0030853  Salix gooddingii Ivan M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  RSA770441  Salix laevigata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4573 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC846611  Salix laevigata Joseph Andorfer Ewan 1933-3-19 10903 Riverside Santa Ana R. at Prado; Santa Ana R. Comment
  SD108927  Salix lasiandra var. lasiandra James Henrickson 1973-3-18 8617 Riverside Ca 37 (air) miles east of Temecula, on Coyote Canyon Trail, SE of Terwilliger, ca 3 miles N of San Diego Co. line Comment
  CLARK-A1528-832  Salix lasiolepis C. M. Flanagan 1973-6-13 OO 706 Riverside Morongo Indian Reservation Comment
  UCR140651  Salix lasiolepis Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 11- 80 Riverside San Jacinto Mtns, San Bernardino National Forest, 5 miles north of Idyllwild on Hwy 243, Site L11 1775 Comment
  SDSU13042  Salsola tragus James C. Dice, J. Dewald 1987-9-28 730 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  UC1537501  Saltugilia australis Gordon H. True Jr. 1935-3-19 131 Riverside 6 mi se Perris; se of Perris 487 Comment
  RSA0095110  Saltugilia australis Ora M. Clark 1929-3-16 1709 Riverside N of Whitewater. Colorado Desert. Comment
  CAS-BOT-BC220732  Salvia H. A. Dutton 1898-6-12 s.n. Riverside Warm Spring Valley, Elsinore Comment
  CHSC89887  Salvia apiana L. P. Janeway 2004-5-8 8076 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon; along Wildomar Road 0.8 km east of its crossing of Los Alamos Creek. 488 Comment
  CLARK-A1528-582  Salvia apiana Markell Kohn 1959-4-12 Riverside Riverside Comment
  RSA714428  Salvia apiana A. C. Sanders 2004-5-11 27854 Riverside Elsinore Basin Region: Alberhill Mountain, lower south-facing slopes southeast of the clay mining area. 450 Comment
  SDSU12262  Salvia apiana Jeremy Mass, Ryan Jacobsen 2000-4-19 8 Riverside Roadside along Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  UCR194212  Salvia apiana Scott D. White, Angelia Carey 2004-6-4 11464 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  IRVC2084  Salvia columbariae M. Cadnum 1965-4-3 none Riverside Lake Elsinore. southern coastal Comment
  RSA401476A  Salvia columbariae Bonnie C. Templeton 1930-4-9 1004 Riverside Palm Springs. 600 Comment
  RSA401482  Salvia columbariae Robert M. Perkins 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  RSA747719  Salvia columbariae Justin M. Wood 2009-3-26 400 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UC25691  Salvia columbariae H. M. Hall May 1899 1139 Riverside Kenworthy; San Jacinto Mountains 1371 Comment
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Mar 25 2011
  UCD125694  Salvia columbariae R. L. Smith 1948-3-25 s.n. Riverside Cabazon. Comment
  UCR177398  Salvia columbariae Marisa Sripracha, K. A. Boyd 2004-3-21 051 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR35340  Salvia columbariae L. B. Ziegler 1968-5-7 285 Riverside San Jacinto Mtns, near mouth of Bautista Canyon, foothills of San Jacinto Mtns. 612 Comment
  UCR91417  Salvia columbariae Scott D. White 1995-4-5 2729 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  LA69703  Salvia eremostachya Elizabeth McClintock; 1940-5-26 sn Riverside Dos Palmos Canyon, off Pines to Palms Highway Comment
  UCLA69704  Salvia eremostachya K. Watkins and E. McClintock 1937-4-10 Riverside near road to Shumway (Palms to Pines highway) Comment
  RSA228830  Salvia mellifera Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 587 Riverside Cleveland National Forest. 5 mi. south of Lake Elsinore along Forest Route 7S04. Comment
  RSA434140  Salvia mellifera Ora M. Clark 1929-4-16 1933 Riverside E. Riverside. Comment
  RSA525430  Salvia mellifera Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4539 Riverside Vail Lake area, rolling terrain at jct of hwy R3 and Powerline Rd. NE of the lake. Comment
  RSA701496  Salvia mellifera M. Wall 1996-1-8 127 Riverside Foothill S of Beaumont off Hwy 79 (Lamb Cyn.), 1.1 mi S of 10 Fwy, just past California Ave., W side of hwy. 610 Comment
  SD225011  Salvia mellifera A. C. Sanders, G. Wainer, B. Ehdaie, A. Aryavand 1997-3-12 19871 Riverside Lake Kninner area: lower Rawson Canyon, just NE of the lake along the road. 456 Comment
  UCR241822  Salvia mellifera A. C. Sanders, Timothy W. Chumley 2013-4-2 40753 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UCR252232  Salvia mellifera Marissa Manahan 2011-5-13 s.n. Riverside Riverside, Andulka Park, Tequesquite Arroyo at Chicago Ave. 277 Comment
  JOTR37448  Salvia mohavensis Hodges, Stephen, T. Green 2016-5-24 570 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  POM97987  Salvia mohavensis E. C. Jaeger 1926-3-4 s.n. Riverside Eagle Mountains. 1189 Comment
  UCLA69850  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mts. Comment
  RSA0121026  Salvia vaseyi Duncan S. Bell, LeRoy Gross 2016-3-29 9112 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
  UC597618  Salvia vaseyi Philip A. Munz 1937-5-29 15146 Riverside Dead Indian Creek Plants of Southern California, N base of Santa Rosa Mts. 457 Comment
  UCR3325  Salvia vaseyi Anne Brown, C. Brown 1964-4-11 11464- 4 Riverside Santa Rosa Mtns, Palms to Pines Hwy 1067 Comment
  UCR55834  Salvia vaseyi J. A. Adams 1965-4-17 127 Riverside Sonoran (Colorado) Desert, Hwy 111, 2 mi east of Palm Springs near foothills 244 Comment
  UC1366098  Sambucus mexicana K. R. Montgomery 1969-9-6 69 -21 Riverside 18 mi s Hemet; Wilson Valley 1097 Comment
  UCR268291  Sambucus nigra subsp. caerulea Jim Andre 2012-6-15 30530 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  RSA747959  Sanicula bipinnatifida Justin M. Wood 2009-5-11 708 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA570233  Sanicula tuberosa Steve Boyd, Timothy S. Ross 1993-3-23 7907 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Small area of native grassland on break in slope, west side of trail extending south from end of Woodchuck Road. 732 Comment
  UCR29260  Sanicula tuberosa A. C. Sanders, K. Berg 1980-5-1 01358 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UCR17719  Sarcostemma cynanchoides 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
  JEPS27445  Sarcostemma hirtellum W. L. Jepson 1928-4-25 12627 Riverside s. Mohave Desert, Pinto Basin 1676 Comment
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Dec 26 2016
  CHSC35796  Satureja chandleri James Henrickson 1972-5-21 7196 a Riverside 2 mi. W. of Murrieta on slopes up to Santa Rosa Plateau along Tenaja Rd. 396 Comment
  UC416713  Satureja chandleri Robinson and Crocker 1916-3-29 571 Riverside near Murietta; Santa Ana Mts. Comment
  UCR924  Satureja chandleri Oelrich 1959-4-17 s.n. Riverside 0.6 mi. north of sign #B4.86 on Hwy 79, between Hemet and Sage [Bad locality?] Comment
  UCD93276  Schismus C. L. Hitchcock; C. V. Muhlick 1962-3-16 22139 Riverside Temescal Canyon, 8 mi. s.e. of Corona. Comment
  RSA0124390  Schismus arabicus Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8744 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
  CLARK-A1528-5533  Schismus barbatus John C. Roos 1951-3-24 5033 Riverside Riverside 396 Comment
  UCD93262  Schismus barbatus Geoffrey Levin 1977-2-26 1179 Riverside About 13 mi. north of I40 on Essex Rd., just outside Providence Mts. State Recreation Area. Providence Mts. 975 Comment
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Jun 15 2012
  UCSB9696  Schismus barbatus Van Leeuwen, Henry 1957-4-13 Riverside US 60 near junction with Cal. 195 Comment
  RSA14335  Schoenoplectus americanus E. C. Jaeger 1921-7-15 1187 Riverside Massacre Canyon, near San Jacinto. Comment
  UCR20979  Schoenoplectus americanus A. C. Sanders, S. D. Boyd, J. Zabriskie 1980-4-17 1338 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  RSA376136  Scirpus microcarpus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61283 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  SBBG37513  Scrophularia californica R. N. Muller 1962-5-5 34 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  UC1125697  Scrophularia californica R. St. John 1931-4-17 206 Riverside Mockingbird Canyon; Elsinore Quadrangle Comment
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Apr 2 2011
  UC1713593  Scutellaria bolanderi subsp. austromontana C. Epling 1938-8-14 Riverside junction of Palms (to Pines Hwy and Idylwild Road) Comment
  CAS-BOT-BC341106  Scutellaria mexicana Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon Comment
  POM47007  Scutellaria siphocampyloides Mary F. Spencer 1919-5-18 1194 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
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Mar 21 2011
  RSA160552  Scutellaria siphocampyloides John Olmsted 1959-6-23 660 Riverside Reservoir Hill at Desert Sun School near Idyllwild. 1646 Comment
  POM13117  Scutellaria tuberosa P. A. Munz, I. M. Johnston 1922-5-19 5339 Riverside 5 miles NE of Murietta. 488 Comment
  UCR139242  Secale cereale A. C. Sanders, Kate Kramer 2003-6-11 26885 Riverside San Jacinto Mtns., along entrance road to McCall Memorial Park, near Mountain Center 1355 Comment
  UCR20801  Sedum spathulifolium Robert McKernan 1980-5-18 s.n. Riverside San Bernardino Mtns., 0.5 mi. up the Kitching Peak Trail 1585 Comment
  UC306716  Selaginella bigelovii I. M. Johnston 1918-4-3 1824 Riverside s end Juniper Flat; Lakeview Mts. 609 Comment
  UCR147704  Selaginella eremophila L. C. Wheeler 1964-10-17 8639 Riverside Sonoran (Colorado) Desert, N slope of Orocopia Mountains; southerly from Hayfield Reservoir (lake) Comment
  UCR85318  Selaginella eremophila A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16152 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  UC63075  Senecio californicus H. M. Hall May 17 1901-Jun 1 1901 Riverside Coahuilla Valley Southern California, Coahuilla Valley Comment
  SD144485  Senecio californicus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19878 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn.along the road. 518 Comment
  RSA335026  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Clinton Keith Road, 1.7 mi. E of gate to The Nature Conservancy Preserve. Comment
  RSA773468  Senecio flaccidus var. monoensis Duncan S. Bell, J. D. England 2010-10-5 1978 Riverside San Bernardino National Forest: Garner Valley, approximately 2.6 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  JOTR01288  Senecio flaccidus var. monoensis Cole, James E. 1941-5-21 754 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 914 Comment
  RSA522715  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3901 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
  SEINET238485 Image available Sesuvium verrucosum A. C. Sanders, D. Bramlet; Mihai Costea T. Salvato 1999-1 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1 mile W of Jackrabbit Trail on Gilman Springs Rd. 0.4 mi. W of Quail L 436 Comment
  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
  CSUSB597  Sidalcea malviflora Leland R. Dykes 1962-4-22 Riverside Santa Ana Mountains Santa Ana Mountains. San Mateo Canyon Road. 7 miles west of Palomar Road, Murrietta. Comment
  SEINET1909565  Sidalcea malviflora A. C. Sanders 2004-1 27557 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
  UCD116800  Sidalcea malviflora A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23880 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, W of San Diego Aqueduct. 381 Comment
  SEINET13709268  Sidalcea malviflora J. Adams, J. Adams (Botany) 1966-1 751 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  RSA433912  Sidalcea malviflora subsp. sparsifolia M. B. Dunkle 1933-7-20 3701 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  SDSU14281  Sidalcea sparsifolia Ryan Jacobson, Jeremy Mass 2000-4-19 6 Riverside Santa Margarita Ecological Reserve. Near the banks of Stone Creek, approximately 0.5 mile east of the south-side facility. 177 Comment
  RSA543865  Silene antirrhina Steve Boyd, David E. Bramlet 1991-5-13 6249