Search Results — 2000 specimen records retrieved (1899 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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
  UCR26356  Abies concolor A. C. Sanders, J. A. Harpel 1981-8-26 2336 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  CAS-BOT-BC229360  Abronia villosa Ira L. Wiggins 1937-3-9 8769 Riverside North of Indio Comment
  CAS-BOT-BC229361  Abronia villosa H. M. Hall 1902-1-1 2915 Riverside Vicinity of Winchester 457 Comment
  POM307254  Abronia villosa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2235 Riverside La Quinta Comment
  UC665887  Abronia villosa Ira L. Wiggins 1941-3-24 9568 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
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Jun 5 2011
  POM193048  Abronia villosa var. aurita Marcus E. Jones 1929-7-13 24802 Riverside Temecula Bridge Comment
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May 19 2011
  RSA461034  Abronia villosa var. aurita H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  SEINET5585524  Abronia villosa var. aurita Duncan S. Bell 2012-1 3141 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SEINET946027  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-1 6609 Riverside Hemet. 500 Comment
  JEPS90901  Acacia greggii W. L. Jepson 1912-10-29 5246 Riverside Riverside Mountains, along the Colorado River, Needles to Yuma Colorado River; Riverside Mountains, Colorado River 91 Comment
  RSA121731  Acacia greggii var. arizonica H. S. Yates 1937-6-27 6727 Riverside Mouth of Deep Canyon. 305 Comment
  RSA414906  Acacia greggii var. arizonica L. C. Wheeler 1933-12-1 2285 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  RSA554009  Acacia greggii var. arizonica A. C. Sanders, E. J. Lawlor 1992-4-4 12142 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SD229055  Achillea millefolium Dick Schwenkmeyer 2012-6-27 740 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  CAS-BOT-BC260435  Achnatherum hymenoides John Thomas Howell 1928-3-11 3428 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  SEINET5585611 Image available Achnatherum lettermanii B. L. Johnson 1960-1 s.n. Riverside Twin Lakes, above Bridgeport, at the upper lake Comment
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Jul 5 2015
  RSA487443  Achnatherum speciosum Jack Easton 1988-5-2 s.n. Riverside Anza area., Near 116d 45' W, 33d 29'N 1189 Comment
  RSA494624  Achnatherum speciosum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA423485  Achyronychia cooperi F. R. Fosberg 1932-3-13 8076 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA782193  Achyronychia cooperi Duncan S. Bell 2011-10-22 2980 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SEINET3156336  Achyronychia cooperi S. B. Parish 190 Riverside Colorado desert Comment
  UCR215004  Achyronychia cooperi T. B. Salvato 2010-4-20 4069 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  OBI39886  Acmispon glaber var. brevialatus M. Rosczyk & G. Helmkamp, G. Helmkamp 1985-4-4 208 Riverside Big Morongo Preserve. S of Morongo Valley. Main cyn where it opens into the Coachella Valley 503 Comment
  SD111979  Acmispon glaber var. brevialatus Barbara Ertter, Jeffrey Strachan 1980-5-20 3469 Riverside West side of Whitewater Hill, east side Whitewater Wash, NW end of Coachella Valley north of I-10 456 Comment
  LA48109  Acmispon heermannii Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  SEINET957562  Acmispon heermannii S. Boyd 1982-1 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, at the northern end of the entreched meander of Temescal Creek at the western base of Estelle Mountains. 1080 Comment
  SEINET957536  Acmispon micranthus N. M. Fellows, A. C. Sanders 1986-1 188 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village. 488 Comment
  RSA0123348  Acmispon rigidus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9007 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SBBG3458  Acmispon rigidus H. and M. Dearing 1936-12-26 921 Riverside Palms to Pines Hwy Comment
  HSC99952  Adenostoma fasciculatum J. P. Smith, & J. O. Sawyer 2011-6-9 13195 Riverside 1470 Comment
  SD229250  Adenostoma fasciculatum Dick Schwenkmeyer 2012-3-26 666 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
  UCR139641  Adenostoma fasciculatum A. C. Sanders 2004-6-30 28391 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR155319  Adenostoma fasciculatum A. C. Sanders, Mike Misenhelter 2005-3-23 29248 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR97504  Adenostoma fasciculatum B. G. Pitzer 1997-3-23 2974 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
  UCD170957  Adenostoma sparsifolium A. C. Sanders; T. B. Salvato, A. Hernandez, K. Drennen, A. Collada 2013-10-2 40956 Riverside Peninsular Range, Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 deg. ) of Round Top Mountain. 739 Comment
  RSA180356  Adiantum jordanii E. W. Lathrop 1965-5-9 5733 Riverside 6 miles W of Murrieta. Comment
  UC219242  Agnorhiza ovata E. C. Jaeger 1921-6-14 1054 Riverside Barkers Meadow San Jacinto Mts. Comment
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Nov 6 2011
  UCR193877  Agrostis A. C. Sanders, Mitch Provance 2008-7-11 35808 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UC36895  Agrostis pallens H. M. Hall 1901-1 2375 Riverside wooded slopes and benches of the s side San Jacinto Mountains 1676 Comment
  UCD53368  Agrostis scabra Peter M. Ray Date Unknown 1936 Riverside Hall Canyon, San Jacinto Mtns. Comment
  RSA469415  Aliciella latifolia E. C. Jaeger 1922-3-19 750 Riverside Painted Canyon, near Mecca. 61 Comment
  RSA550335  Allionia incarnata Walter Wisura, John Dolan, M. Wall 1992-3-25 4653 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  RSA782275  Allionia incarnata var. villosa R. W. Spjut 2007-10-12 16151 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  RSA715375  Allium A. C. Sanders 1999-4-28 22709 -B Riverside Riverside, UCR Botanic Garden. 351 Comment
  POM147851  Allium haematochiton J. B. Feudge 1927-4-7 1631 Riverside Beaumont. 671 Comment
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Dec 13 2016
  UCR281233  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 49 Riverside Temescal Valley, Southern foot of the Gavilan Hills, vicinity of Black Powder Rd., slopes adjacent to N side of the horse track 393 Comment
  SEINET12048030  Allium haematochiton R. F. Thorne, Lathrop, E. 1975-1 45560 Riverside Santa Rosa Plateau, Rancho California, Mesa de Burro 610 Comment
  SEINET12049414  Allium hyalinum B. C. Templeton 1930-1 1484 Riverside N of Gavilan[????]? 550 Comment
  RSA543601  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6133 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA706306  Allium munzii Valentin Arvizu 2005-4-20 1 Riverside Temescal Valley, mouth of Indian Canyon, 15 fwy x Indian Truck Trail., CNDDB EO# 8 (probable Type Locality for Allium munzii), Sycamore Creek housing development site. 381 Comment
  UCR18124  Allium munzii Steve Boyd 1978-5-15 100 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA0006686  Allium munzii Steve Boyd 1986-4-20 1725 Riverside Gavilan Plateau, Gavilan Hills: clay soil on hillside south of Harford Springs County Park. 616 Comment
  UCR113966  Allium praecox Mitch Provance 1999-3-5 1059 Riverside Jurupa Mountains, Extreme W end of the Jurupa Range, c. 0.6 miles west of pk. 1437. 335 Comment
  UCR1596  Allium praecox David L. Davis 1962-4-15 25 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  RSA586312  Allophyllum glutinosum D. L. Banks, S. D. Boyd 1995-5-3 0223 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR110996B  Allophyllum glutinosum George K. Helmkamp 1998-6-27 4102 A 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
  UCR158323  Allophyllum glutinosum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30066 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
  UCR263226  Allophyllum glutinosum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41465 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR278834  Alternanthera caracasana Mitch Provance 2012-7-17 712- 11 Riverside San Gorgonio Pass, South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio Ave. 1134 Comment
  UCR26524  Amaranthus blitoides A. C. Sanders, S. Hagopian 1981-5-20 2156 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  CLARK-A1528-1393  Amaranthus californicus John C. Roos 1937-8-19 2020 Riverside San Jacinto Mountains Comment
  SD146064  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside San Jacinto Mountains; McMullen Flat at Valley High County Park, 0.7 mile southeast of Highway 74 on Twin Pines Ranch Road. 1029 Comment
  UCR92407  Amaranthus californicus F. M. Reed 1933-9-20 8098 Riverside San Jacinto Mtns., N shore of Hemet Lake 1525 Comment
  RSA653329  Amaranthus cruentus Mitch Provance, A. C. Sanders 2000-7-4 2088 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  SBBG19503  Amaranthus fimbriatus E. R. Blakley 1961-9-12 4715 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  VVC2325  Amaranthus fimbriatus Tim Thomas 2011-10-17 5516 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  SEINET12764893  Amaranthus fimbriatus Louis C. Wheeler 1966-10-15 8985 Riverside San Jacinto Mountains, by Black Hill, by Pines to Palms Highway.; 0 975 Comment
  RSA451024  Amaranthus palmeri Stephen M. Beckstrom-Sternberg 1985-9-10 1014 Riverside U.C.R. garden plots. Comment
  UCR89729  Amaranthus palmeri J. M. Stewart 1990-9-23 658 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  RSA500136  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3674 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  CAS-BOT-BC13612  Ambrosia acanthicarpa Carl B. Wolf 1931-10-14 2459 Riverside Cabezon, San Gorgonia Pass. 518 Comment
  UCD128687  Ambrosia confertiflora A. C. Sanders; P. MacKay, S. White and M. Bagley 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  CAS-BOT-BC22585  Ambrosia dumosa F. H. Billings 1926-2-6 23 a Riverside near Palm Springs Comment
  CAS-BOT-BC22596  Ambrosia dumosa Lewis S. Rose 1957-1-9 57020 Riverside Palm Desert 91 Comment
  CAS-BOT-BC22611  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  POM41505  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA0093751  Ambrosia dumosa Jim M. Andre 2012-4-11 20709 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  RSA26835  Ambrosia dumosa I. L. Wiggins 1941-3-24 9575 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  RSA416966  Ambrosia dumosa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA784725  Ambrosia dumosa Duncan S. Bell 2012-3-18 3211 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
  UC724343  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-28 3297 Riverside near n end, on Hwy 111, Salton Sea Comment
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Jul 14 2012
  UCSB7134  Ambrosia dumosa Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  HSC47331  Ambrosia ilicifolia Richard Spjut, C. E. Edson 1978-5-6 5024 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  POM318866  Ambrosia psilostachya Patricia Wilder 1970-10-30 4835 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  LA203739  Ambrosia salsola Carl Epling; March 1927 sn Riverside Palm Springs 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
  RSA7751  Ammannia coccinea C. M. Dammers 1933-12-4 s.n. Riverside Growing wild in center of city of Riverside Comment
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Nov 23 2010
  JOTR35928  Amsinckia intermedia De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6876 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  UCR213597  Amsinckia intermedia A. C. Sanders, Matthew Malle 2010-4-23 37985 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR215610  Amsinckia intermedia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 06 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR239788  Amsinckia intermedia O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; hills above UCR Botanical Garden 436 Comment
  HSC85418  Amsinckia menziesii Steve Boyd 1986-3-9 1392 Riverside Temescal Canyon: Alberhill Mtn., S slope of mtn., just E of claymine area 459 Comment
  UCR95231  Amsinckia menziesii var. menziesii D. L. Banks, Dylan Hannon 1996-5-3 0988 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 300 m east of the Dripping Springs Guard Station 488 Comment
  SBBG87488  Amsinckia tessellata A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6015 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  SD68968  Anagallis minima Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37576 Riverside Santa Rosa Plateau: marsh on Mesa de Colorado, Rancho California 671 Comment
  CAS-BOT-BC272869  Ancistrocarphus filagineus Steve Boyd 1986-4-22 1772 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15 Comment
  UCD56067  Andropogon glomeratus var. pumilus L. S. Rose 1935-12-27 s.n. Riverside Palm Canyon. Comment
  RSA192108  Anemopsis californica E. W. Lathrop 1965-5-27 5204 Riverside 6 miles west of Murrieta. Comment
  RSA667099  Anredera cordifolia O. F. Clarke 1979-10-7 s.n. Riverside Riverside: abandoned orange orchard north of 1012 Spruce St. 305 Comment
  SD144071  Anthemis cotula Scott D. White 1997-5-25 5242 B Riverside Perris Basin, Winchester area: roadside of Simpson Ave. less than 1 mile W of intersection with Winchester Rd. 445 Comment
  UCR111741  Anthemis cotula S. J. Myers 1996-5-30 s.n. Riverside Corona: River Road bridge over the Santa Ana River 159 Comment
  POM354844  Antirrhinum coulterianum N. C. Cooper 1944-6-17 2007 Riverside San Jacinto Mountains: above Banning 1372 Comment
  RSA336198  Antirrhinum filipes Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52014 Riverside Chino Canyon. Comment
  SEINET270927 Image available Antirrhinum filipes Richard J. Shaw 1096 Riverside Joshua Tree National Monument ; Rare in Octillo Garden between White Tank and South Entrance. Comment
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May 13 2016
  UC1929734  Antirrhinum kelloggii Scott D. White, Justin Wood 2008-4-3 11788 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  RSA679173  Antirrhinum nuttallianum Fred M. Roberts 2003-7-11 5961 Riverside San Mateo Canyon Wilderness, unnamed tributary to san Juan Creek, 0.9km ESE Upper San Juan Campground. 666 Comment
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Nov 24 2014
  UCR154379  Antirrhinum nuttallianum A. C. Sanders, Mike Misenhelter 2005-6-15 30957 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  SDSU14193  Antirrhinum nuttallianum subsp. nuttallianum Kristin Andrade, Mike Simpson 2002-4-20 13 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 229 Comment
  UCR3339  Antirrhinum nuttallianum subsp. nuttallianum T. R. Plumb 1964-4-9 s.n. Riverside Box Springs Mtns, Box Springs Mt., 1 mi SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] off S fork of road 762 Comment
  UCR121170  Antirrhinum nuttallianum subsp. subsessile D. E. Bramlet 1989-5-20 1876 Riverside Bachelor Mtn., S-facing slope of mountain, 1,500 ft. (0.28 mi.) north of Lake Skinner and 3,000 ft. (~0.5 mi.) E [NE] of the Dam. 537 Comment
  RSA272179  Apiastrum angustifolium C. W. Tilforth 1978-4-30 1571 Riverside Low rounded hills east of Norco. Comment
  SEINET238799  Apium graveolens Mitch Provance 2000-6-24 2054 Riverside Santa Ana River Wash between the Market St. bridge and the 60 Fwy. 244 Comment
  UC697754  Apium graveolens Kay H. Beach 1942-10-22 1661 Riverside 3 mi nw city limits of Corona (along Chino Creek); Chino Creek 198 Comment
  UCR151034  Apocynum cannabinum var. glaberrimum Scott D. White 1998-7-31 6934 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UCR153380  Arabis sparsiflora R. F. Thorne, Et al. 1969-6-24 38138 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hill north of James Reserve and Lake Fulmor 1677 Comment
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Nov 13 2008
  RSA33525  Arceuthobium californicum N. C. Cooper 1943-9-11 923 Riverside San Jacinto Mountains, Below Idyllwild. 1372 Comment
  UCR205285  Arceuthobium campylopodum Scott D. White, T. B. Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8651 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA629140  Arctostaphylos Jon E. Keeley 1992-7-16 16563 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UCR54263  Arctostaphylos A. C. Sanders, E. J. Lawlor 1988-10-22 8731 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  UCR273478  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42623 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1314 Comment
  CAS-BOT-BC23122  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-5-30 6609 Riverside Santiago Peak, Santa Ana Mts. Comment
  POM254927  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  RSA543131  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, C. Boyd, K. A. Boyd 1991-3-16 5467 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  RSA629346  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-11-11 22547 Riverside Hwy 74, 25 km east of Hwy 79 Junction in Hemit. 1220 Comment
  JOTR16666  Arctostaphylos glauca Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  RSA631793  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19560 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631823  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20104 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA631851  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15083 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA633609  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22517 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633700  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16670 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633714  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16661 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  POM305862  Arctostaphylos pringlei subsp. drupacea Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1158 Riverside Santa Rosa Mts. Comment
  SEINET2028711 Image available Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry valleyu, 1.5 miles from Idyllwold on road to Banning, San Jacinto Mountains 1710 Comment
  UCSB4761  Arctostaphylos pungens Gill, Robert 1959-11-22 Riverside Idyllwild; San Jacinto Mt. Range; Pacific slope drainage area 1645 Comment
  RSA635991  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19536 Riverside West of Temecula, off Carancho Rd., 2.3 km west of Via Volcano, eastern Santa Margarita Mtns. 430 Comment
  RSA636002  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19549 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636018  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18802 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636161  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18808 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636177  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19476 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  SD180718  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 399 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  UC1605406  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Fisherman's Camp, upper end of Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) W into Tenaja Canyon at its confluence with San Mateo Canyon Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, C Comment
  UCR189797  Arctostaphylos rainbowensis Diane Menuz 2007-3-26 265 Riverside Peninsular Range, Coastal Foothills Region, Santa Rosa Plateau, c. 0.2 mi west of northern edge of Mesa de la Punta. Along Punta Mesa Trail, 1000km from the Adobes 488 Comment
  UCR49204  Arctostaphylos rainbowensis S. J. Myers 1987-9-28 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, S base of Redonda Mesa 732 Comment
  RSA0046705  Argythamnia claryana Jim Andre 2014-1-27 26651 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UCR242294  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40415 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCR74393  Aristida adscensionis Theo Glenn 1991-5-2 91- 18 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  POM1100  Aristida adscensionis var. modesta I. M. Johnston 1917-4-4 1011 Riverside Palm Canyon. Comment
  SEINET14198934  Aristida purpurea J. C. Roos 1965-9-26 Riverside Palm Springs, in a parkway 122 Comment
  UCR216682  Aristida purpurea Tasha La Doux, Jim Andre 2009-3-10 386 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  RSA799085  Aristida purpurea var. fendleriana Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6882 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  CAS-BOT-BC137529  Aristida purpurea var. nealleyi Carl B. Wolf 1932-5-24 3640 Riverside North base of San Jacinto Mountains. Snow Creek Canyon. 0.5 mile below Fish Hatchery. 548 Comment
  UCD56558  Aristida purpurea var. nealleyi A. A. Beetle 1942-4-23 3187 Riverside banks of Colorado River, 24 miles north of Blythe. Comment
  UCR260358  Aristida purpurea var. nealleyi A. C. Sanders, Jim Malusa 2015-3-9 41368 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  CAS-BOT-BC137512  Aristida purpurea var. purpurea J. C. Roos 1965-8-15 s.n. Riverside San Jacinto Valley. Gilman Hot Springs. Comment
  RSA774890  Aristida purpurea var. purpurea Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5007 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66012 750 Comment
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May 22 2012
  UCR19696  Aristida purpurea var. wrightii J. R. Holliday 1969-5-5 44 Riverside Peninsular Range; San Jacinto Mtns. Foothills, Hwy 79, 1.5 mi NW of Gilman Hot Springs, 200 yards north of the road junction 463 Comment
  CAS-BOT-BC90417  Artemisia douglasiana A. C. Sanders; Kelly Volansky 2003-10-16 27350 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  CLARK-A1528-1567  Artemisia douglasiana John C. Roos 1937-8-17 1219 Riverside San Jacinto Comment
  CAS-BOT-BC90576  Artemisia dracunculus Parish 1901-1 15951 Riverside Strawberry Valley Comment
  CAS-BOT-BC93730  Artemisia ludoviciana subsp. albula Lewis S. Rose 1945-12-24 45315 Riverside Colorado Desert, Palm Springs 137 Comment
  POM3352  Asclepias erosa H. M. Hall 1901-06 2111 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  SEINET10580564  Asclepias erosa Marcus E. Jones 1931-9-15 Jones 28744 Riverside Hayfields Comment
  SDSU13501  Asclepias fascicularis W. Miller with C. Mosse 1972-7-20 Riverside West of R.C. Weather Station. Comment
  RSA784752  Asclepias subulata Duncan S. Bell 2012-2-12 3096 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SDSU2729  Asclepias subulata D. F. Howe 1963-5-15 3480 Riverside 26.5 miles west of Desert Center on #195. 457 Comment
  UCR50583  Asparagus asparagoides B. G. Pitzer, E. Misquez 1988-2-28 0636 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  UC1532830  Aspidotis californica Robert F. Thorne and Earl Lathrop 1975-5-25 45554 Riverside Mesa de Burro Rancho California; Santa Rosa Plateau 60 Comment
  POM12825  Aster alpigenus Philip A. Munz 1922-9-6 6391 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  POM161537  Aster alpigenus Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. Comment
  RSA740075  Aster ascendens Scott D. White, Justin M. Wood 2008-6-16 12138 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 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
  UCR620A  Astragalus bicristatus J. Zabriskie 1974-5-24 692 Riverside Santa Rosa Mtns., Reservoir area at top of Deep Canyon stream; south of Pinyon Flat 1890 Comment
  UCD104685  Astragalus crotalariae H. B. Richardson 1940-4-6 s.n. Riverside Near Coachella Valley w. of Thermal. Comment
  JEPS54628  Astragalus didymocarpus var. didymocarpus W. L. Jepson 1901-5-24 1415 Riverside Van Deventer's Ranch , Van Deventer's Ranch (Santa Rosa Mts.) Comment
  CAS-BOT-BC182586  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 6711 Riverside Palm Springs Comment
  CAS-BOT-BC178446  Astragalus douglasii var. parishii Philip A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak 2346 Comment
  RSA594523  Astragalus douglasii var. parishii D. L. Banks, Rashmi Pant 1996-5-13 1028 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 499 Comment
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Jun 4 2014
  RSA769774  Astragalus gambelianus Duncan S. Bell, Joy D. England 2010-5-17 1007 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  CLARK-A1528-2746  Astragalus insularis var. harwoodii John C. Roos 1949-4-11 4241 Riverside Chuckwalla Mountains Comment
  LA102293  Astragalus insularis var. harwoodii John C. Roos; 1958-3-15 Riverside Chuckwalla Mountains, 3 miles SE of Desert Center Comment
  POM26394  Astragalus insularis var. harwoodii H. M. Hall 1905-04 5945 Riverside Mc Coy wash 91 Comment
  UCR84217  Astragalus lentiginosus var. coachellae G. R. Ballmer, G. F. Pratt, Kay Stockwell 1995-2-12 s.n. Riverside San Bernardino / Colorado Desert, Mission Creek Canyon, near gate on Mission Creek Road east of the ranch 640 Comment
  LA204996  Astragalus lentiginosus var. fremontii Carl Epling; March 1927 Riverside Whitewater Pass, near Palm Springs Comment
  POM229797  Astragalus leucolobus P. A. Munz 1937-5-30 15134 Riverside Santa Rosa Peak. 2409 Comment
  LA212347  Astragalus palmeri Carol Haines; 1964-3-22 54 Riverside Joshua Tree National Monument, Jaeger Cove. 1280 Comment
  CAS-BOT-BC194139  Astragalus pomonensis H. A. Zuill 1966-6-29 265 Riverside Cole Canyon, 2 miles SW Murrieta Comment
  SEINET898381  Astragalus pomonensis Lewis S. Rose 1949-1 49056 Riverside Alberhill 366 Comment
  RSA4917  Astragalus sabulonum C. B. Wolf 1932-4-28 3079 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
  OBI70233  Astragalus tricarinatus Lyman Benson 1945-1 Riverside Comment
  UCR151042  Athyrium filix-femina Scott D. White 1998-7-31 6942 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UCR20810  Athysanus pusillus A. C. Sanders 1980-4-17 1343 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  SBBG104071  Atrichoseris platyphylla A. C. Sanders, E. J. Lawlor 1992-4-4 12105 Riverside within 0.5 mi of McCoy Spring, on alluvial slopes below and to the S, and on cyn bottom above the spring 243 Comment
  UCR244423  Atrichoseris platyphylla Jim Andre 2012-4-16 20918 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  RSA15501  Atriplex canescens L. S. Rose 1935-12-19 35670 Riverside Palm Springs 138 Comment
  UC850848  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4324 Riverside ne side Salton Sea (Durmid, ne side of S.P.R.R. Tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  JOTR34410  Atriplex canescens var. laciniata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3097 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring, near oasis 914 Comment
  POM182511  Atriplex canescens var. linearis J. B. Feudge 1930-9-25 2063 Riverside Blythe Comment
  RSA0135547  Atriplex coronata var. notatior David E. Bramlet, Fred Roberts, Rick Riefner 2005-6-7 3874 Riverside 4.5 miles west of Hemet. 1,500 ft. south of Stetson & 500 ft. east of California. 456 Comment
  UCR274331  Atriplex elegans Mitch Provance 2012-7-11 612- 63 Riverside Badlands of Western Riverside County, Beaumont, S side of 4th St., near Risco Circle 773 Comment
  RSA0021478  Atriplex glauca R. E. Riefner 2002-12-12 02 -521 Riverside City of Corona, along Magnolia Ave off ramp on SW side of I 15 Freeway. 216 Comment
  POM8164  Atriplex hymenelytra Mary F. Spencer 1920-3-19 270 Riverside Palm Springs. 122 Comment
  UCR148037  Atriplex hymenelytra Steve Boyd, Et al. 2004-5-14 11247 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR19490  Atriplex hymenelytra Don Emery 1980-2-12 s.n. Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, near an old playa south of Dos Palmas Spring and north of Ferrum siding Comment
  CAS-BOT-BC169294  Atriplex lentiformis Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  SEINET4135185  Atriplex lentiformis Grant D. Brown 1949-12-15 480 Riverside Salton Sea basin Drainage Area. Mecca, CA.; 0 Comment
  UCR18902  Atriplex lentiformis John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  UC1279710  Atriplex polycarpa David B. Dunn, Shago Yamaguchi, H. Lint 1947-12-21 3572 Riverside Comment
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May 24 2012
  UCR130513  Atriplex suberecta R. E. Riefner Jr. 2003-5-27 03- 240 Riverside Elsinore Trough, back basin of Lake Elsinore, Malaga Rd. near Mission Trail, SE of intersection 390 Comment
  UCR202437  Avena fatua 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
  POM18172  Azolla filiculoides Philip A. Munz 1923-3-10 6588 Riverside San Jacinto River, 3 miles from Elsinore Comment
  UCR274215  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  RSA0042506  Baccharis brachyphylla John F. Emmel 1993-4-23 1258 Riverside Granite Mts. WSW of Rice, canyon 1.2-1.4 air miles north and 0.0-0.6 air mile west of 4353 ft. high peak. 853 Comment
  SEINET7239563 Image available Baccharis douglasii F. M. Reed 1907-9-21 1953 Riverside Riverside and vicinity Comment
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Oct 6 2017
  RSA296180  Baccharis salicifolia B. A. Prigge 1980-8-5 3818 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  JEPS21296  Baccharis salicifolia subsp. salicifolia W. L. Jepson Oct 22 1912-Nov 7 1912 5266 Riverside Palo Verde Valley Colorado River, Palo Verde Valley 45 Comment
  RSA777287  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4545 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA93159  Baccharis sergiloides F. W. Peirson 1920-12-28 1295 Riverside Murray Canyon near Palm Springs Comment
  SEINET899356  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10 mi. below San Bernandino Co. line 671 Comment
  UCR207615  Baccharis sergiloides O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA23272  Bahiopsis parishii Ernest Braunton 1940-03 2032 Riverside Berdoo Canyon. Comment
  RSA21759  Baileya pauciradiata C. B. Wolf 1937-4-6 8431 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
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Sep 23 2011
  UCR90166  Baileya pauciradiata R. W. Scora 1966-4-1 3012 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  SEINET11861853  Baileya pauciradiata J. F. Bright, Wyman, C. 1933-3-12 8065 Riverside near Palm Springs Comment
  SEINET10616174  Bebbia juncea David B. Dunn, A. Folsom 1948-6-17 Dunn 3802 Riverside By quad 2. At camp in Pushawalla Canyon under palms. Indio Hills, Colorado Desert. Comment
  SD229078  Bebbia juncea var. aspera Dick Schwenkmeyer 2012-11-6 855 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UC51596  Bebbia juncea var. aspera Jos. Burtt Davy 1902-4-2 8058 Riverside Salton Comment
  CAS-BOT-BC207047  Bernardia incana Frank W. Peirson 1928-4-25 7917 Riverside Cottonwood Spring Comment
  UCR123867  Bernardia myricifolia Steven R. Hill 2001-5-3 33696 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  SBBG104681  Bloomeria crocea var. crocea M. A. Patten 1992-5-5 92 -9 Riverside Gavilan Hills area, ca. 2 km W of Lake Mathews, and ca. 0.5 km N of Cajalca Rd Comment
  RSA278503  Boechera californica John F. Emmel 1977-6-9 565 Riverside Thomas Mountain Road, ca. 0.5 air mile SW of Jozee Spring. 1585 Comment
  JOTR33813  Boerhavia coccinea La Doux, Tasha, B. Truesdell 2007-11-9 3328 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  UCD98029  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside Behind post office, 288 E. Main St., San Jacinto. Comment
  UCR123826  Boerhavia coccinea Steven R. Hill 2001-5-3 33653 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UC1587773  Boerhavia coulteri var. palmeri Duane Atwood 1991-9-9 17074 Riverside 4.8 mi. w. Chirachoa Summit (along I-10) Comment
  UCR35204  Boerhavia intermedia L. B. Ziegler 1964-9-2 30 Riverside San Jacinto Mountains, Dos Palmas Spring 1280 Comment
  CAS-BOT-BC434547  Boerhavia spicata Philip A. Munz 1946-10-20 11578 Riverside Palms to Pines Highway, at north base of Santa Rosa Mts. 1036 Comment
  JOTR32598  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
  UC1795591  Boerhavia wrightii E. E. Schellenger 1904-10-15 Riverside Black Point, Paloverde Valley. Comment
  UCR125471  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25684 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  UCR94964  Bolboschoenus maritimus subsp. paludosus Scott D. White 1996-9-22 4536 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  JOTR30083  Bouteloua aristidoides var. aristidoides La Doux, Tasha, Bill Truesdell 2006-10-3 1722 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  POM193468  Bouteloua barbata J. B. Feudge 1929-9-15 2027 Riverside Cottonwood Springs, Colorado Desert. Comment
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Oct 9 2010
  JOTR16775  Bouteloua barbata var. barbata Hogan, J. 1975-9-6 162 Riverside Joshua Tree National Park. 999 Comment
  RSA0027475  Bouteloua barbata var. barbata Deidre Conocchioli, Sarah J. De Groot 2013-9-18 49 Riverside Valley north of Chocolate Mountain range. From Desert Center: Take I -10 West for 9.2 miles. Take exit marked Red Cloud Road. Turn left to cross under the interstate, continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles., Continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles. The collecting site is along the portion of the road that runs nearly parallel with an old raised railroad for a short distance before diverging. Collecting done on both sides of road. 442 Comment
  UCR107703  Bowlesia incana A. C. Sanders 1997-3-1 19752 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR207518  Bowlesia incana O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  SDSU21250  Brandegea bigelovii S. H. Bullock 1968-4-10 119 Riverside 17 mi. east of Mecca on Calif. State 195. 457 Comment
  UC131900  Brandegea bigelovii C. R. Orcutt March, 1902 Riverside Colorado Desert Comment
  RSA0009699  Brandegea bigelovii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. 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
  UCR103899  Brassica geniculata B. G. Pitzer 1997-4-12 3127 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  CAS-BOT-BC36848  Brassica tournefortii Winfield 1975-4-27 2373 Riverside Snow Creek Road. 3 miles from Highway 111. Comment
  CHSC110009  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside Colorado Desert: Shavers Valley. Near 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. Alt.:396-473m/1300-1550ft. 396 Comment
  RSA653550  Brassica tournefortii Scott D. White 1999-5-24 7406 (unic.) 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
  UCR251653  Brassica tournefortii Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 984 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA191409  Brickellia californica E. W. Lathrop, R. F. Thorne 1967-9-26 6617 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  SEINET272197  Brickellia californica A. C. Sanders, T. Tennant; A. Montalvo & B. Wagner 1997-11-20 21610 Riverside Lake Skinner reserve area: Diamond Valley canyon along Rawson rd. going into hills toward Crown Valley. 509 Comment
  UCR82760  Brickellia californica A. C. Sanders, T. Schram & D. Wappler 1994-10-6 15787 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  CLARK-A1528-5510  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  RSA592445  Brickellia desertorum L. C. Wheeler 1966-10-15 8986 Riverside San Jacinto Mountains. Carrizo Creek, off Dead Indian Canyon. 854 Comment
  UC1551954  Brickellia nevinii J. C. Roos 1965-9-12 Riverside 3 mi sw of Corona Tin Mine Canyon (Santa Ana Mountains); Santa Ana Mountains 548 Comment
  CLARK-A1528-6888  Brodiaea filifolia John C. Roos 1952-5-14 5667 Riverside San Jacinto River 426 Comment
  RSA172750  Brodiaea filifolia Lee W. Lenz 1965-5-26 s.n. Riverside Vail Ranch west of Murietta. Comment
  RSA70127  Brodiaea filifolia F. W. Peirson 1922-5-19 3070 Riverside 2 miles southeast of Perris Comment
  RSA376782  Brodiaea santarosae Christopher Davidson 1977-5-25 5639 Riverside Mesa de Burro, Santa Rosa Plateau area of the Santa Ana Mtns. 701 Comment
  UC37667  Bromus carinatus var. carinatus H. M. Hall June, 1901 2033 Riverside San Jacinto Mountains 1341 Comment
  RSA576086  Bromus diandrus Steve Boyd 1981-4-6 s.n. Riverside Gavilan Hills region, Estelle Mountain, near summit. 823 Comment
  RSA561068  Bromus grandis Steve Boyd, Timothy S. Ross, D. E. Bramlet s.n. Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream, adjacent benches, and lower slopes from confluence with Tenaja Canyon. 366 Comment
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Jun 12 2012
  SDSU13675  Bromus hordeaceus Jutta Buschbom 1991-9-6 4 Riverside SE-Slope, N-Border of the Reserve, beyond an avocado-grove, ca. 500 m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve. Comment
  UCR171969  Bromus hordeaceus 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
  UCR96873  Bromus hordeaceus Scott D. White 1993-4-30 1310 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UC1131209  Bromus madritensis subsp. rubens A. Lewis Mar 1933 178 Riverside 2 1/2 mi s of Horseshoe Lake ((also found on Gavilon Peak)) 152 Comment
  UC1537244  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 81 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  UC1929330  Bromus madritensis subsp. rubens Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10454 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: E 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
  SEINET10520362  Bromus orcuttianus Harvey M. Hall 1899-7-15 Hall 1348 Riverside San Bernardino Mountains. Deep creek. 2134 Comment
  CAS-BOT-BC161815  Bromus rubens D. A. Johansen; J. A. Ewan 1932-4-10 7057 Riverside Along diversion canal at mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  RSA764436  Bromus rubens Doris Hoover Bowers 1978-3-19 2527 Riverside Wild Horse Canyon 1280 Comment
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Apr 7 2013
  UCR171953  Bromus rubens John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  SD254501  Bromus tectorum Steve Boyd, Carol Boyd 2011-3-29 12305 Riverside Transverse Ranges; San BernardinoMountains region: Southeast end of range in south branch of Mission Banyon, just upstream from confluence with north branch. 762 Comment
  UC1930179  Bromus trinii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky, T. S. Ross 2003-4-17 10455 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR88438  Bromus trinii A. C. Sanders, K. C. Rose 1995-4-5 16353 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA0121413  Bursera microphylla Duncan S. Bell, LeRoy Gross 2016-3-31 9185 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  RSA87000  Caesalpinia virgata F. W. Peirson 1922-4-11 4426 Riverside Deep Canyon Wash, south side of Coachella Valley 274 Comment
  UCR124000  Caesalpinia virgata George K. Helmkamp, E. A. Helmkamp 2001-4-14 6466 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  RSA198961  Callitriche heterophylla subsp. bolanderi R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  RSA773121  Calochortus concolor Duncan S. Bell, Ryan Parker 2010-6-1 1232 Riverside San Bernardino National Forest: Rouse Ridge, approximately 2.4 air miles southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 992 Comment
  RSA773595  Calochortus plummerae Duncan S. Bell, Ryan Parker 2010-6-15 1307 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.9 air mile southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 740 Comment
  RSA369045  Calochortus splendens M. M. Thompson 1947-6-9 C- 2080 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UCR16610  Calochortus splendens Joe Buriel 1966-4-6 s.n. Riverside 0.5 mi. west of Lake Mathews on Cajalco Road 457 Comment
  UCR174061  Calochortus splendens A. C. Sanders 2006-5-19 32458 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA131710  Calochortus weedii E. K. Balls 1958-6-27 23296 Riverside Santa Ana Mountains, NW along Indian Truck Trail from junction with Main Divide. 854 Comment
  CLARK-A1528-3201  Calochortus weedii var. intermedius John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  RSA502182  Calochortus weedii var. intermedius Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3720 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  JOTR34395  Calycoseris parryi Andre, Jim 2012-4-16 20926 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA0124036  Calycoseris wrightii Duncan S. Bell, LeRoy Gross 2016-3-10 8881 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  SD73616  Calyptridium monandrum Helen V. Witham 1970-4-29 834 Riverside 20 miles east of Lake Hemet. 1299 Comment
  SDSU17433  Calyptridium monospermum C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-26 378 B Riverside San Jacinto Wilderness State Park, Round Valley Campsite. Ca. 50 meters east of stone buildings near trail junction, along west edge of Round Valley. 2755 Comment
  SD237410  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Peninsular Range: Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74. 404 Comment
  RSA430232  Calystegia macrostegia subsp. arida E. Misquez 1987-5-16 11 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  UCR1647  Calystegia macrostegia subsp. tenuifolia William R. Bowen 1962-4-15 030 Riverside Cajalco Canyon near Lake Mathews 427 Comment
  UCR201676  Calystegia occidentalis subsp. fulcrata Scott D. White, Justin M. Wood 2008-6-18 12244 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  SD260938  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513 12 Riverside Santa Ana River Valley: Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  RSA507499  Camissonia Marlyce Myers 1980-4-28 s.n. Riverside Motte Reserve, in rocky granitic hills 2.5 mi. NW of town of Perris. At the south end of the Reserve. Comment
  UCR118780  Camissonia A. C. Sanders, G. K. Helmkamp 1997-3-15 19931 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  CLARK-A1528-3317  Camissonia bistorta John C. Roos 1966-4-5 Riverside Winchester Comment
  RSA774298  Camissonia boothii Duncan S. Bell 2011-4-7 2184 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  POM14010  Camissonia boothii subsp. condensata P. A. Munz, D. Keck 1922-4-9 4747 Riverside Palm Springs. 76 Comment
  RSA465989  Camissonia boothii subsp. condensata A. C. Life 1928-3-17 s.n. Riverside Colorado Desert, Painted Canyon. Comment
  SEINET3093151 Image available Camissonia boothii subsp. desertorum George K. Helmkamp, E. A. Helmkamp 1998-2-18 2743 Riverside Chuckwalla Mtns: Graham Pass Rd, 10.6 mi SSW of Chuckwalla Valley Rd. [UTM 10km cell:PH-7E, 0N. Graham Pass] 488 Comment
  JOTR31227  Camissonia brevipes subsp. brevipes La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2011 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  RSA450521  Camissonia brevipes subsp. brevipes Barry A. Prigge 1988-2-21 7837 Riverside Colorado Desert, Orocopia Mountains. 2 miles W of Clemens Well. 229 Comment
  RSA162842  Camissonia californica J. D. Olmsted 1959-4-10 347 Riverside Along Hwy 60-99 near Cabazon, San Gorgonio Pass, Whitewater River. 671 Comment
  RSA192045  Camissonia californica E. W. Lathrop 1966-5-16 6326 Riverside Tenaja Grade, 2 miles SW of Murrieta on the Tenaja Road. Comment
  RSA701042  Camissonia claviformis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11286 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR241590  Camissonia claviformis A. C. Sanders, Ann Howald 2013-2-28 40556 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  RSA144802  Camissonia claviformis subsp. aurantiaca E. G. Linsley, J. W. MacSwain 1960-3-2 60 -9 Riverside 2 miles west of Desert Center. Comment
  RSA448931  Camissonia claviformis subsp. aurantiaca P. A. Munz 1930-4-6 13708 Riverside 1000 Palms. Comment
  RSA792748  Camissonia confusa Robert F. Thorne 1995-3-29 63034 Riverside White Water Canyon. 600 Comment
  SDSU3354  Camissonia confusa H. Wedberg 1958-5-17 302 Riverside About 7.4 miles from railroad station at Banning on road to Idyllwild. Comment
  SEINET7072847  Camissonia contorta A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
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Jun 24 2020
  SEINET7073306  Camissonia contorta A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
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Jun 24 2020
  SEINET7042773  Camissonia graciliflora W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  UCR162405  Camissonia hirtella S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UC279693  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Vandeventer's Flats Santa Rosa Mts. 1310 Comment
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Aug 30 2011
  UC76373  Camissonia strigulosa Miss M. Alice King April, 1893 Riverside Box Springs Comment
  UCR167078  Camissonia strigulosa Scott D. White 2005-3-29 10849 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
  UCR26486  Camissonia strigulosa A. C. Sanders 1981-5-20 2123 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UCR80819  Camissonia strigulosa Scott D. White 1993-5-29 1456 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  OBI2685  Camissoniopsis bistorta Dieter H. Wilken 1965-4-14 167 Riverside E end of Domengoni Valley, SE of Winchester 427 Comment
  JEPS31743  Camissoniopsis pallida subsp. pallida S. B. Parish 1920-3-25 20022 Riverside flats at Palm Springs village Colorado Desert Comment
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Jul 13 2010
  RSA0123365  Camissoniopsis pallida subsp. pallida Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9039 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCSB4471  Camissoniopsis pallida subsp. pallida Koran, John 1958-4-15 Riverside 4.5 miles W. of HWY 111 on HWY 74, Just west of Palm Desert Comment
  UCR99563  Cardamine B. G. Pitzer 1996-12-8 2935 Riverside Upper Santa Ana River/San Bernardino Valley Region, City of Riverside, UCR campus, lawn in front of Riverside Campus Federal Credit Union, on Canyon Crest Dr. 335 Comment
  SBBG122758  Carex densa A. Parikh 1990-5-15 172 Riverside Santa Rosa Plateau Ecological Reserve, between Mesa de Colorado and Mesa de Burro, 0.6 km SE of jct of Tenaja Rd and Rancho California Rd 572 Comment
  RSA364634  Carex fracta M. B. Dunkle 1933-7-19 3682 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  IRVC9260  Carex kelloggii S. Freeman 1966-4-30 s.n. Riverside On Fuller Mill Creek; 1 mi. upstream from Banning-Idylleild road. Peninsular Ranges, San Jacinto Mountains 1829 Comment
  CAS-BOT-BC31692  Carex mariposana H. M. Hall 1901-7-1 2416 Riverside San Jacinto Mountains, among rocks near the Summit 3291 Comment
  UC72158  Carex subfusca Dr. H. E. Hasse Riverside San Jacinto Mts. Comment
  CLARK-A1528-4171  Castilleja affinis John C. Roos 1966-4-5 Riverside Winchester Comment
  RSA425880  Castilleja affinis M. V. Hood 1945-3-28 s.n. Riverside Hwy. 79 to Hemet from Aguaga. Ele. 1,800 ft. 549 Comment
  RSA524595  Castilleja affinis Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3910 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SEINET3079826 Image available Castilleja affinis J. Hirshberg 1989-3-22 Riverside Santa Rosa Plateau, S of Murrieta; small mesa just W of Mesa de Burro & Tenaja Road. 610 Comment
  UCR281702  Castilleja affinis B. C. Templeton, I. W. Clokey, C. B. Clokey 1930-4-15 1087 Riverside Gavilan Hills, between Perris and Gavilan Peak 500 Comment
  POM9603  Castilleja affinis I. M. Johnston 1920-5-8 s.n. Riverside Jurupa mts., extreme west end. Comment
  SEINET6985109  Castilleja affinis A. G. Vestal 1962-4-8 s.n. Riverside About 3.5 miles northeast of Elsinore. Comment
  UCR122546  Castilleja applegatei subsp. martini George K. Helmkamp, E. A. Helmkamp 2001-5-20 6677 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UCR49232  Castilleja exserta Steve Boyd 1986-4-2 1612 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCSB6125  Castilleja exserta subsp. exserta Walker, Clifford 1954-4-10 Riverside East slope of arroyo; near head of White Water Canyon Comment
  JEPS28840  Castilleja foliolosa Peter H. Raven 1959-4-23 14018 Riverside 1.2 mi w Dripping Springs (about 8 air mi e of Dripping Springs) 487 Comment
  RSA400576  Castilleja foliolosa N. R. Zabriskie, Walter M. Zabriskie 1971-4-9 383 Riverside West of water service road 2 mi. so. of Hwy. 74, Deep Canyon watershed, north slope Santa Rosa Mountains. Comment
  RSA770851  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4937 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  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
  SD225112  Castilleja foliolosa G. K. Helmkamp 1998-4-3 3089 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek 747 Comment
  SD80137  Castilleja foliolosa Nancy Ryan Zabriske, Walter Zabriskie 1971-4-9 383 Riverside West of water service road 2 mi. so. Of Hwy. 74, Deep Canyon watershed, north slope Santa Rosa Mountains Comment
  RSA0010910  Castilleja minor subsp. spiralis Philip A. Munz 1938-8-14 15343 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  UCR133710  Castilleja minor subsp. spiralis N. C. Cooper 1944-5-6 2649 Riverside San Bernardino Mtns., Whitewater Canyon 457 Comment
  UCR224387  Casuarina cunninghamiana Justin M. Wood 2010-1-5 1408 Riverside Prado Basin, city of Corona, Pomona-Rincon Road, 0.2 mi north of the intersection with Railroad Street 165 Comment
  CLARK-A1528-317  Catalpa speciosa Oscar F. Clarke 1968-5-21 Riverside Hemet Comment
  CLARK-A1045-304  Caulanthus cooperi George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  JOTR33735  Caulanthus cooperi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2735 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  UC218025  Caulanthus heterophyllus P. A. Munz and I. M. Johnston 1922-5-19 5355 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR108998  Caulanthus heterophyllus D. L. Banks 1997-3-29 1558 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  SEINET5342473  Caulanthus lasiophyllus N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-21 6427 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  UCR241842  Caulanthus lasiophyllus var. rigidus A. C. Sanders, Timothy W. Chumley 2013-3-29 40719 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, near road to water tank, 0.83 km NW of Riverside Dr./Hwy 74 412 Comment
  UCR68472  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3844 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  OBI42562  Caulanthus simulans A. C. Sanders 1986-6-1 6557 Riverside San Jacinto Mtns, along the trail toward Spitler Peak from the Hurkey Creek camp to Bonita Vista road 1707 Comment
  UC917856  Ceanothus crassifolius Frank W. Gould 1944-4-4 2216 Riverside 10 mi se Temecula (on hwy 71) Comment
  RSA583614  Ceanothus leucodermis Steve Boyd, Darin Banks 1995-3-30 8409 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  RSA586046  Ceanothus leucodermis D. L. Banks, S. D. Boyd 1995-3-16 98 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, Arroyo Seco drainage. 549 Comment
  UCSB3915  Ceanothus leucodermis Kamb, Peter 1946-4-27 Riverside Banning- IdyllwiId Road near Barton Lookout, San Jacinto Mountains 1066 Comment
  RSA517098  Ceanothus ophiochilus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2960 Riverside Vail Lake area, 1 mi. W of Lake. Comment
  LA44886  Ceanothus palmeri Norman C. Cooper; 1944-6-17 1416 Riverside San Jacinto Mountains, above Banning 975 Comment
  UC1071209  Ceanothus palmeri A. E. Wieslander 1936-8-29 683 Riverside Vista Grande R.S. San Bernardino National Forest, San Jacinto Quad. Comment
  CAS-BOT-BC77630  Celtis reticulata Carl B. Wolf 1932-5-25 3686 Riverside Gilman Ranch in the foothills No. of Banning 853 Comment
  CDA7293  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  RSA763063  Centaurea melitensis E. W. Lathrop 1973-6-28 7438 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  UCR121681  Centaurea melitensis Ian G. Gillespie, Abby Sirulnik 2000-5-7 33 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  POM230721  Centaurium exaltatum Edward Anderson 1935-8-21 6790 Riverside Hemet lake. 1300 Comment
  POM256954  Centaurium venustum W. Pequegnat 1940-6-12 s.n. Riverside 1/2 mile N of Ortega Hwy, Santa Ana Mts. Comment
  RSA391516  Centaurium venustum N. C. Cooper 1944-6-4 1357 Riverside San Juan Canyon. 762 Comment
  UC444846  Centaurium venustum Fred M. Reed 1903-8-29 435 Riverside near Chinatown (Riverside and vicinity); Riverside, Santa Ana River Comment
  CAS-BOT-BC288826  Centromadia parryi subsp. australis James I. McMurphy 1916-8-13 s.n. Riverside Temecula Comment
  SD248327  Centromadia pungens subsp. laevis Kevin B. Clark 2004-5-27 1 Riverside Menifee Valley, ca. 1.0 mile west of Murrieta Rd., 0.5 mile south of Newport Rd., on east-west dirt road on old ranch. 427 Comment
  UCR25793  Cerastium glomeratum John C. Roos 1952-4-16 5556 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  CLARK-A1045-152  Cerastium viscosum George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  RSA405367  Cercidium floridum Anstruther Davidson 1903-5-3 s.n Riverside Thermal. Comment
  RSA651716  Cercidium floridum Viki Cruz 1983-5-8 003 *k Riverside Collected 10 ft. from main entrance to Living Desert Reserve. Palm Desert. Comment
  POM243639  Cercocarpus betuloides E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  UCR164288  Cercocarpus betuloides S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  RSA701115  Cercocarpus betuloides var. betuloides M. Wall 1996-6-25 182 Riverside East-draining cyn slopes S of Beaumont off Hwy 79, 1.8 mi S of 10 Fwy. 610 Comment
  POM187418  Cercocarpus ledifolius L. Crutcher 1933-8-22 4 Riverside Red Tahquitz, San Jacinto Mountains. Comment
  HSC93131  Chaenactis artemisiifolia Karen Kirtland 1993-4-17 Riverside N of Temecula Comment
  UCR262260  Chaenactis artemisiifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3725 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  CAS-BOT-BC177411  Chaenactis carphoclinia Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4615 Riverside Along Palen pass Road, near Palen Pass, between Granite and Palen Mountains 402 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
  CDA7367  Chaenactis carphoclinia var. attenuata M. Weisbauer 1960-3-27 Riverside Shaver s Summit. 0 Comment
  POM307228  Chaenactis carphoclinia var. carphoclinia Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1993 Riverside Colorado Desert, North of Blythe Comment
  UC63007  Chaenactis carphoclinia var. carphoclinia H. M. Hall 1902-4-11 2807 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert, Coyote Canyon 152 Comment
  UC894419  Chaenactis carphoclinia var. carphoclinia P. A. Munz Apr 9 1922-Apr 12 1922 4842 Riverside Corn Springs Colorado Desert, Chuckwalla Mountains, Corn Springs 457 Comment
  CAS-BOT-BC276937  Chaenactis fremontii S. B. Parish 1896-4-4 4119 Riverside Palm Springs, {Agua Caliente), desert base of San Jacinto Mountain 213 Comment
  JOTR38681  Chaenactis fremontii Hodges, Stephen R. 2017-2-7 697 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UC917302  Chaenactis fremontii R. L. Smith 1948-3-24 Riverside foot of Andreas Canyon Comment
  UCR242750  Chaenactis fremontii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, Lonnie Rodriquez, April Sall, Tracy Tennant. 2010-4-12 4448 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  RSA93812  Chaenactis fremontii F. W. Peirson 1926-2-22 6501 Riverside On talus slope east of bridge over Whitewater River, head of Coachella Valley Comment
  UCR133691  Chaenactis glabriuscula 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
  UCR230767  Chaenactis glabriuscula A. C. Sanders 2010-4-7 37823 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR234247  Chaenactis glabriuscula A. C. Sanders, T. B. Salvato 2012-4-27 40093 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  UCR260857  Chaenactis glabriuscula A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41492 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  JEPS30914  Chaenactis glabriuscula var. glabriuscula P. Stockwell 1940-4-24 1506 Riverside 1 mi e Banning Comment
  RSA27591  Chaenactis glabriuscula var. glabriuscula C. L. Hitchcock 1940-4-12 6038 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA586326  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-5-3 0191 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA777338  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4700 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 W116.65123 604 Comment
  UC185581  Chaenactis glabriuscula var. glabriuscula Mrs. Lottie M. Wilder 1905-5-24 Riverside near Riverside (Wilder's) Comment
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Feb 2 2013
  RSA0103446  Chaenactis glabriuscula var. lanosa Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8564 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  POM41476  Chaenactis stevioides var. stevioides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA792549  Chamaesyce abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  RSA626041  Chamaesyce albomarginata Scott D. White 1994-6-14 2073 Riverside Santa Gertudis Creek, ca. 1 mi. E. of Skunk Hollow. 396 Comment
  UC17622  Chamaesyce albomarginata H. M. Hall 1901-6-1 2151 Riverside e base San Jacinto Mountains (along borders of Colorado Desert) Comment
  RSA432485  Chamaesyce polycarpa Ora M. Clark 1929-3-17 1745 Riverside Palm Springs. Comment
  RSA777345  Chamaesyce polycarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4709 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
  SBBG100585  Chamaesyce polycarpa W. L. Halvorson 1977-2-5 77 -14 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCSB23268  Chamaesyce polycarpa Keefe, Joseph 1967-3-23 Riverside Along Whitewater Canyon Road, 1.9 miles north of U.S. Highway 101, east of Banning 609 Comment
  JEPS52354  Chamaesyce serpyllifolia Carl V. Meyer 1928-7-30 587 Riverside Saunder's Meadow Comment
  RSA685683  Cheilanthes clevelandii M. B. Dunkle 1934-6-18 3991 Riverside Upper San Juan Canyon. Comment
  UCD169089  Cheilanthes clevelandii A. C. Sanders; Mitch Provance, E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit Black Mtn. 915 Comment
  CAS-BOT-BC70038  Cheilanthes covillei Edmund C. Jaeger 1922-4-10 s.n. Riverside Mouth of Snow Creek, Colorado Desert 304 Comment
  POM12529  Cheilanthes covillei Philip A. Munz 1922-3-12 4714 Riverside Andreas Canyon Comment
  UC42440  Cheilanthes covillei S. B. Parish and W. F. Parish July, 1880 Riverside San Jacinto Mts Comment
  UCR41226  Cheilanthes covillei N. M. Fellows, A. C. Sanders 1985-4-9 157 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  POM891  Cheilanthes newberryi O. W. Robinson 1916-3-28 s.n. Riverside Elsinore's Lake, Burton's Canyon Comment
  RSA543297  Cheilanthes newberryi Steve Boyd 1991-3-17 5514 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR113893  Cheilanthes newberryi Mitch Provance 1998-4-14 444 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  IRVC3134  Cheilanthes parryi R. H. Whittaker, W. A. Niering 1963-6-1 SJ 156 Riverside Palms to Pines Highway. Peninsular Ranges, Santa Rosa Mountains 549 Comment
  SEINET3870178  Cheilanthes parryi Lewis S. Rose 1966-12-13 66101 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  UC667395  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-5-12 2160 Riverside road to Black Eagle Mine; Colorado Desert, Eagle Mts 777 Comment
  UC812277  Cheilanthes parryi Lewis S. Rose 1938-12-17 38317 Riverside Palm Springs 152 Comment
  UCR20418  Chenopodium ambrosioides Dr. H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside San Jacinto Mountains, north base of mountains, Snow Creek Canyon 549 Comment
  UCR114197  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23644 Riverside Perris-Aguanga Basin Region, Tucalota Creek SE of French Valley Airport, on gasline route 381 Comment
  UCR242659  Chenopodium berlandieri A. C. Sanders 2013-7-7 40860 Riverside Peninsular Range; San Jacinto Mountains, near central Idyllwild, west side of Hwy 243 at road junction to Astrocamp (Saunders Meadow Rd.) and 0.15 km NE of Tollgate Rd. junction 1596 Comment
  SD224924  Chenopodium californicum Scott D. White 1996-3-23 3845 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch). USGS 7.5' Hemet topo. 320 Comment
  SDSU13951  Chenopodium californicum Michael G. Simpson, A. Russell, T. Linz, & C. Guilliams 2000-4-2 2068 Riverside Santa Margarita Ecological Reserve (SDSU), ca. 1/4 mile west of northern gate for Northside field station, along 'insect trail.' Ca. 3 miles northeast of Gavilan Mtn. 396 Comment
  UCR111764  Chenopodium californicum Mitch Provance 1998-3-17 212 Riverside Jurupa Mountains, 'Pyrite Canyon', in the central dune area c. 1km south of the end of Savonia Dr. in Southridge, Fontana. 305 Comment
  UCR213900  Chenopodium californicum Scott D. White, Justin M. Wood 2009-5-22 12900 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCR21983  Chenopodium californicum Steve Boyd 1980-4-8 101 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR266459  Chenopodium missouriense Mitch Provance 2012-11-9 612 51 Riverside San Bernardino Valley, Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  UCR167794  Chenopodium murale T. B. Salvato, Melissa Clemons 2005-6-23 1318 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR113017  Chenopodium strictum var. glaucophyllum A. C. Sanders, K. C. Rose 1998-5-21 21851 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  CAS-BOT-BC231776  Chilopsis linearis John Thomas Howell 1927-8-1 2880 Riverside Moist bottom of Mission Creek at J Cross K Ranch, n. Colorado Desert 609 Comment
  RSA340186  Chilopsis linearis W. A. Tilforth 1980-5-28 54178 Riverside San Bernardino Mts: Rocky, W-facing slope of Whitewater ridge above old bridge. Comment
  CAS-BOT-BC184866  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Chuckwalla Valley. 20 miles west of Blythe on the Mecca Road. 121 Comment
  UCR17637  Chloris virgata Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  RSA689682  Chloris virgata R. E. Riefner Jr. 2003-10-21 3 -459 Riverside Menifee Valley, along Newport Road 1 mile E of Goetz Road intersection 442 Comment
  UCR57112  Chlorogalum parviflorum Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  UCR116911  Chorizanthe A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23960 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  CAS-BOT-BC191707  Chorizanthe brevicornu var. brevicornu H. M. Hall 1905-5-1 6029 Riverside Near PInto Mts. Comment
  UCR140289  Chorizanthe coriacea A. C. Sanders 2004-4-9 27451 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
  UCR156354  Chorizanthe coriacea T. B. Salvato, Kent Beaman 2005-5-16 879 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
  UCD169658  Chorizanthe fimbriata R. F. Thorne; E. W. Lanthrop, W. Wisura 1977-7-8 49557 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 880 Comment
  CAS-BOT-BC191349  Chorizanthe leptotheca Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills Region, Temescal Canyon, stable alluvial benches along Indian Wash, S of Di Palma Road and Interstate 15 365 Comment
  UCR262233  Chorizanthe leptotheca T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3714 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UC84787  Chorizanthe parryi var. parryi Katharine Brandegee 1905-5-12 Riverside Riverside Comment
  UCR132343  Chorizanthe polygonoides var. longispina John F. Green, S. J. Myers 2003-6-25 s.n. Riverside Small hill just west of Leon Road, c. 0.25 mi. south of Borel Road, above Tucalota Creek 427 Comment
  UCR77755  Chorizanthe procumbens Steve Boyd, Orlando Mistretta 1991-5-22 6294 Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  LA206564  Chorizanthe xanti L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  UC729665  Chorizanthe xanti Carl B. Wolf 1932-5-25 3677 Riverside Snow Creek Canyon 1 mi below Fish Hatchery (n base San Jacinto Mountains); , Snow Creek Canyon 396 Comment
  RSA696806  Chrysothamnus paniculatus J. Russell Bruff 1927-11-24 8 Riverside Whitewater. Comment
  UCR96038  Chrysothamnus paniculatus A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer 1996-11-9 19647 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., near 'Bob's Cabin', 5 mi. (air) south of Hayfield Pump Sta., east of Maniobra Valley, central section of arroyo (N of peak 2552 to Bench Mark 1899) 610 Comment
  CHSC8536  Chylismia brevipes Edward Laidlaw Smith 1958-3-21 379 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Maria Mt. Range. Colorado River drainage area. 365 Comment
  SD260086  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct. 127 Comment
  UCSB44671  Chylismia claviformis Hibbard, Doug 1977-5-16 Riverside Off NW side of Hwy 74; 11.8 miles from its intersection with Hwy 111 1036 Comment
  UC635281  Chylismia claviformis subsp. aurantiaca H. L. Mason 1928-3-10 4182 Riverside Whitewater River Comment
  UC873934  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8759 Riverside gravelly wash 5 mi w Shaver's Well Comment
  SD187442  Chylismia claviformis subsp. claviformis Naomi Fraga, Lisa Rojas 2005-2-10 1352 Riverside Just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  UCSB12723  Chylismia claviformis subsp. peirsonii Dearing, Hugh; Dearing, Margaret 1930-4-13 Riverside Colorado desert between El Centro and Palm Springs Comment
Read comments
Jan 7 2015
  UCR109601  Cirsium occidentale var. californicum R. D. Goeden, Don W. Ricker 1979-5-8 s.n. Riverside San Jacinto Mtns., Bautista Creek Canyon, Bautista Rd. at Horse Creek crossing 854 Comment
  RSA502518  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3574 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  SD113208  Cirsium occidentale var. occidentale Darley F. Howe 1941-6-9 1114 Riverside San Jacinto Mountains 1525 Comment
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  OBI35627  Clarkia dudleyana Louis B. Ziegler 1972-6-5 473 Riverside San Jacinto Mts-in cyn at lower end of Poppet flats 1067 Comment
  UCR6156  Clarkia epilobioides Galen R. Hunsicker 1967-5-18 s.n. Riverside Base of Box Springs Mtns., University of California, Riverside campus, just above new Physical Sciences parking lot near SW corner. Comment
  SEINET3224405  Clarkia purpurea subsp. quadrivulnera G. Goodwin 2012-6-15 3459 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  RSA802252  Clarkia rhomboidea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4998 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  CAS-BOT-BC229143  Claytonia parviflora A. C. Sanders; Matthew Malle 2010-4-23 37992 Riverside Peninsular Range: Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  POM49158  Claytonia parviflora subsp. tenuifolia P. A. Munz 1924-5-18 8145 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  UCR60610  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3174 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  UCR120156  Claytonia perfoliata Mitch Provance 1998-2-28 124 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  OBI52754  Claytonia perfoliata subsp. perfoliata Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck Trl 381 Comment
  UCR216397  Claytonia perfoliata subsp. perfoliata Mike Bell 2008-3-30 024 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA552736  Clematis lasiantha Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6758 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  JOTR16830  Clematis pauciflora Wanrow, E. & Moore, Sue 1968-3-13 s.n. Riverside Joshua Tree National Park. BARKER DAM TRAIL, 200 YARDS SOUTH OF LAKE EDGE 1325 Comment
  POM158457  Clematis pauciflora P. A. Munz 1927-5-21 10872 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  RSA650753  Cleome isomeris Marion P. Harthill 1971-3-19 24 Riverside Palm Desert. Comment
  HSC79301  Clinopodium chandleri James Henrickson 1972-5-21 7196 Riverside 2 mi. W of Murrieta on slopes up to Santa Rosa Plateau along Tenaja Road 396 Comment
  POM12956  Collinsia concolor Philip A. Munz, I. M. Johnston 1922-5-21 5532 Riverside Hemet Valley. 1433 Comment
  UCR121081  Collinsia concolor A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24984 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  VVC2874  Collinsia concolor Tim Thomas, P. J. MacKay 2010-4-12 5027 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA0117412  Collinsia concolor J. D. Olmsted 1962-5-1 3425 Riverside NE slope just west of top of highest Southern Californica waterfall; 1/4 mi SE of Falls Plateau, Snow canyon N of Mt. San Jacinto. 945 Comment
  POM4203  Collinsia heterophylla Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  SD152751  Collinsia heterophylla Steve Boyd 1992-4-15 6868 Riverside San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 334 Comment
  UCR14976  Colubrina californica A. C. Sanders 1976-5-21 578 Riverside Sonoran (Colorado) Desert, McCoy Spring, McCoy Mtns. Comment
  RSA0093968  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40508 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
  SD119920  Convolvulus arvensis Louis B. Ziegler 1977-6-6 568 Riverside San Jacinto Valley. 470 Comment
  UCR103729  Convolvulus simulans A. C. Sanders 1997-3-19 20029 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  UCR217666  Convolvulus simulans Ana Hernandez, Rose Cook 2010-4-15 016 Riverside Perris-Aguanga Basin, Estelle, c. 265m south of Cajalco Road, c. 335m east of La Sierra Ave. intersection 426 Comment
  UCR256333  Conyza coulteri Duncan S. Bell 2012-3-18 3201 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
  UCR133636  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  UCR54452  Cordylanthus rigidus A. C. Sanders, E. J. Lawlor 1988-10-22 8728 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  JOTR35161  Cordylanthus rigidus subsp. setiger Harding, Mitzi, T. Herskovits 2011-9-14 159 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  RSA0011005  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Joy D. England 2010-6-7 1271 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 775 Comment
  RSA0097955  Cordylanthus rigidus subsp. setiger Duncan S. Bell 2014-11-14 7718 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCR237684  Coreopsis bigelovii Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4692 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 600 Comment
  UCR70724  Coreopsis bigelovii Ora M. Clark 1929-2-23 1562 Riverside Sonoran (Colorado) Desert, north of White Water Comment
  UC665805  Coreopsis californica var. californica Ira L. Wiggins 1941-3-27 9706 Riverside slopes 4 mi n of Whitewater Comment
  RSA575899  Corethrogyne filaginifolia Steve Boyd 1994-10-14 8401 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along the Fisherman's Camp Trail, N of Tenaja Canyon. 451 Comment
  SFV3791  Corethrogyne filaginifolia A. M. Johnson 1932-8-18 4136 Riverside San Jacinto Mountains San Jacinto Mountains. Comment
  UC895241  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6963 Riverside e Keen Camp P.O. 1350 Comment
  SDSU13578  Corethrogyne filaginifolia var. filaginifolia W. Miller with C. Mosse 1972-7-12 Riverside Comment
  RSA249866  Cornus sericea subsp. occidentalis R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38153 Riverside San Bernardino National Forest. Lake Fulmor 1677 Comment
  UCR65277  Cosmos sulphureus Steve Boyd 1989-7-9 3778 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  SD181709  Cotula australis Scott D. White 1999-5-2 7286 Riverside Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215. 440 Comment
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Oct 28 2016
  UCR158351  Cotula australis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30079 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
  UCR861  Cotula australis Shirley Ward 1957-5-3 s.n. Riverside San Bernardino Valley Region, Riverside, 1065 8th Street [= University Ave.; near UCR campus] 305 Comment
  RSA613463  Crassula connata D. L. Banks, Victor Steinmann 1997-3-13 1429 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  CLARK-A1528-2611  Cressa truxillensis John C. Roos 1937-5-10 2074 Riverside Lake Elsinore Comment
  UCR110918  Cressa truxillensis A. C. Sanders, K. C. Rose 1999-6-18 22820 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR232040  Cressa truxillensis John F. Green 2008-4-22 04- 05 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  UCR93050  Cressa truxillensis Steve Boyd, D. L. Banks 1994-9-29 8373 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  SD186166  Crocanthemum scoparium A. C. Sanders 2004-4-20 27535 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  CAS-BOT-BC181565  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, Colorado Desert 304 Comment
  UCD170568  Crossosoma bigelovii Jim Andre 2011-2-18 15824 Riverside Coachella Valley, north end of valley at base of Morongo Canyon, 0.5 mi north of Indian Canyon Road, 1 mi west of Hwy 62. 473 Comment
  HSC7964  Croton californicus H. E. Parks, S. T. Parks 1938-2-7 24100 Riverside Valle Vista 518 Comment
  JOTR33870  Croton californicus La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3051 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  RSA778142  Croton californicus J. Andre 2011-2-2 16215 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UCR163797  Croton californicus John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  UCR216257  Croton californicus Mike Bell 2008-3-19 045 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. 396 Comment
  VVC1450  Croton californicus A. C. Sanders, J. Mac 1996-11-23 19651 F Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  SEINET9458037  Croton californicus L. D. Copeland 1904-5-5 s.n. Riverside West Canyon. Comment
  RSA189421  Croton californicus var. mohavensis L. S. Rose 1966-12-11 66097 Riverside Palm Springs. 152 Comment
  UCR167678  Croton setiger T. B. Salvato, Melissa Clemons 2005-6-23 1287 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  UCD148354  Crypsis schoenoides Don Domenigoni 1997-7-21 s.n. Riverside West Coast Turf, 31755 Winchester Road, Winchester. Comment
  UC1010304  Crypsis vaginiflora John C. Roos 1952-6-4 5735 Riverside river bottomland 1 1/2 mi se Perris; San Jacinto River 426 Comment
  UCR110388  Crypsis vaginiflora A. C. Sanders, Mitch Provance 1999-9-26 23081 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
  JEPS67469  Cryptantha angustifolia Marjorie D. Clary 1933-2-26 2067 Riverside road from Indio to Fargo Cnayon; Colorado Desert 91 Comment
Read comments
Oct 31 2011
  UC1563071  Cryptantha angustifolia Steve Boyd and Orlando Mistretta 1986-3-13 1438 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  UCR269876  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2016-3-18 42362 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  JOTR28786  Cryptantha barbigera La Doux, Tasha 2005-3-30 1055 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  SD216465  Cryptantha barbigera Carol R. Annable 1995-3-10 2264 Riverside 1.6 kilometers South of Lake Cahiulla County Park. Comment
  UCR251341  Cryptantha barbigera S. J. Myers 2014-5-21 1055 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR246835  Cryptantha barbigera var. barbigera Jim Andre 2012-3-19 21305 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  JOTR35504  Cryptantha barbigera var. fergusoniae La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3192 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UCR18177  Cryptantha barbigera var. fergusoniae A. C. Sanders 1979-3-9 00177 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns, Deep Canyon Reserve south of Palm Desert, along the jeep road just above the Research Center 396 Comment
  UCR234811  Cryptantha barbigera var. fergusoniae Jim Andre, Glenn L. Clifton 2011-2-22 17476 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  UCR180140  Cryptantha corollata Mitch Provance 2003-4-26 9902 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  CAS-BOT-BC218862  Cryptantha costata A. C. Sanders 2010-3-15 37407 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains 152 Comment
  RSA3976  Cryptantha costata C. B. Wolf 1932-4-29 3114 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UC1922534  Cryptantha costata Michael Honer, Dave Silverman 2005-3-18 2096 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Valley; appx. 3 mi. due E of Desert Center Airport. Comment
  RSA0078806  Cryptantha cycloptera Steve Boyd, Sara Meury, R. Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2159 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  CAS-BOT-BC218760  Cryptantha holoptera John Thomas Howell 1928-3-24 3529 Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC218761  Cryptantha holoptera Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9574 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  JEPS67649  Cryptantha intermedia W. L. Jepson 1935-4-17 19155 Riverside 1.5 mi n Elsinore (sw Riverside County) 457 Comment
  RSA628464  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  SD181668  Cryptantha intermedia Scott D. White, Teresa Salvato 2001-6-8 8580 Riverside Santa Ana Mountains; southern margin of county, just northeast of Rainbow Valley. 334 Comment
  UCSB38685  Cryptantha intermedia Cowan, Clark 1978-4-24 Riverside 19.6 mi. (31.3 km.) S on 74 from jct. w/ Hwy. 111 at Indian Wells Sta. Rosa Mt. Rd., 1.9 mi. (3 km.) S. of 74 Comment
  SDSU20602  Cryptantha intermedia var. intermedia Ronald B. Kelley 2006-3-26 1002 Riverside Temescal Valley west of I-15 on west side of frontage road in disturbed field between Indian Canyon Truck Road and Horsethief Canyon Road exits. 367 Comment
  JOTR29433  Cryptantha maritima La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1367 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  RSA650995  Cryptantha maritima Marion P. Harthill 1971-3-19 39 Riverside Palm Desert. Comment
  UCR130117  Cryptantha maritima Scott D. White 2001-4-3 8274 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  RSA0014940  Cryptantha micrantha var. lepida LeRoy Gross, Evan Meyer 2013-5-21 6119 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. 1631 Comment
  RSA594773B  Cryptantha microstachys D. L. Banks, Dylan Hannon 1996-5-3 0967 C Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  SD247355  Cryptantha microstachys A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35583 Riverside San Jacinto Mountains: Coldwater Creek watershed, ca. 1.25 miles ENE of Mountain Center, nameless tributary to Coldwater Creek, north of Johnson Meadow, above mapped spring. 1524 Comment
  SEINET273057  Cryptantha microstachys A. C. Sanders 1997-4-3 20175 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd. on E si 473 Comment
  UCR102888  Cryptantha microstachys A. C. Sanders 1997-4-3 20175 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR142179  Cryptantha microstachys June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  JEPS67740  Cryptantha muricata W. L. Jepson 1901-5-19 1298 a Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  SD239640  Cryptantha muricata Oleg Pryadko 2008-5-2 50 Riverside San Bernardino Valley Region: Western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200ft south of Clay St and General road, 1000 ft east of Van Buren Blvd., north bank of Santa Ana River (Riverside West 7.5'Q) 207 Comment
  RSA0079247  Cryptantha muricata var. jonesii Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4457 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  RSA703811  Cryptantha nevadensis LeRoy Gross 2005-3-3 1597 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UCR214897  Cryptantha nevadensis var. nevadensis A. C. Sanders 2010-3-23 37530 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  JEPS67801  Cryptantha pterocarya E. E. Schellenger May 1920 Riverside Chuckwalla Bench Colorado Desert Comment
  UC1601965  Cryptantha pterocarya var. purpusii H. M. Hall May 1899 1161 Riverside between San Jacinto Mt. and El Toro Mt. (at Van Deventer's Ranch); San Jacinto Mountains 1371 Comment
  SBBG87846  Cryptantha racemosa A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6129 Riverside N foot of the Chuckwalla Mtns, 2.75 mi airline SE of Desert Center 365 Comment
  POM9856  Cryptantha racemosa E. C. Jaeger s.n. Riverside County Well Canyon [6.8 miles below Pinyon Well on the road to Indio, presumably in what is now called Pushawalla Canyon] Comment
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Apr 24 2011
  UCR198184  Cryptantha utahensis Michael Honer, L. Hulse 2004-4-2 1874 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  UCR216115  Cryptantha utahensis Jim Andre, T. La Doux 2009-2-25 10814 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UC729459  Cucurbita palmata Carl B. Wolf 1932-4-27 2989 Riverside 14 mi e Mecca (on Blythe Rd, e of Shavers Well); Colorado Desert 152 Comment
  UCR281883  Cuscuta Mitch Provance 2012-11-9 1112- 12 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
  CAS-BOT-BC224554  Cuscuta californica H. E. Hasse 1892-6-30 s.n. Riverside San Jacinto Mts Comment
  POM70789  Cuscuta californica Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  POM9395  Cuscuta californica I. M. Johnston 1920-5-8 2269 Riverside Jurupa Mountains, extreme west end. Comment
  RSA0114881  Cylindropuntia Marc A. Baker, Michelle Cloud-Hughes 2011-12-19 17510 Riverside Corn Springs Wash, 830 m ENE of Aztec Spring, 12 km SSE of Desert Center, north side of Chuckwalla Mountains, 84 km east of Indio. 498 Comment
  SD130198  Cylindropuntia californica var. parkeri George E. Lindsay 1960-11-6 Riverside 6 miles southeast of Riverside, in rolling granite hills. (IPB 7/07) Comment
  SD248374  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17727 Riverside Desert Cemter 7.5'Q USGS quad. Chuckwalla Moutains, just south of Corn Springs Wash, 250 m east of its confluence with Irish Wash, 500m NW of Azted Well, 74KM west of Blythe. 641 Comment
  POM13960  Cylindropuntia echinocarpa P. A. Munz, D. D. Keck 1922-4-9 5018 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  UCR230771  Cynanchum utahense A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37499 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
  SD187314  Cynodon dactylon Scott D. White, Angelia Carey 2004-4-16 10167 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UCR137497  Cynodon dactylon D. L. Banks, V. W. Steinmann 1997-3-13 1488 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
  RSA595330  Cynodon dactylon D. L. Banks, Victor Steinmann 1996-4-20 878 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along a circular drive that runs along the W end of the compound. 567 Comment
  SEINET10468127  Cynodon dactylon David B. Dunn 1946-3-15 Dunn 2017 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
  UCR92728  Cyperus difformis A. C. Sanders 1994-7-26 15150 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  UCR107261  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 1998-8-17 4446 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  CAS-BOT-BC113944  Cyperus odoratus Samuel B. Parish 1913-9-20 8616 Riverside In the small stream from the RR waterworks, Mecca. Salton Sink. -57 Comment
  SD227680  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Millard Canyon 840 Comment
  RSA0029323  Dalea mollis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4687 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA781611  Dalea mollis Duncan S. Bell 2011-12-30 3037 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR248427  Dalea mollis Duncan S. Bell 2011-12-30 3037 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  CLARK-A1528-5674  Dalea mollissima John C. Roos 1937-4-24 764 Riverside Sheep Hole Mountains Comment
  UCR167410  Dalea mollissima John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR92501  Dalea mollissima George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  CSUSB776  Datura meteloides R. C. Smith 1972-6-22 Riverside Santa Ana Riverbed on Boulder Ave. 365 Comment
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Aug 31 2014
  UC68721  Datura wrightii H. M. Hall May, 1905 6243 Riverside Shaver's Well Chilcoot Pass (Chilcoot Pass); Colorado Desert, , Shaver's Well Comment
  UCSB8593  Datura wrightii Van Leeuwen, Henry 1957-4-13 Riverside Under bridge stream bed near US 60 near with Cal 195 Comment
  SEINET8465880 Image available Datura wrightii Unknown 1969-5-5 sn Riverside 1 mi south Corona, in field 207 Comment
  POM123015  Daucus pusillus Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula. Comment
  UCD127416  Daucus pusillus Geoffrey Levin 1975-5-9 496 Riverside Dripping Springs Forest Service Station, Cleveland National Forest. Pacific slope drainage area. 487 Comment
  UCR59694  Daucus pusillus Steve Boyd, T. Ross, et al 1989-5-7 3538 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  SD233742  Deinandra kelloggii A. C. Sanders, Kelly Volansky 2003-10-16 27348 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  UCD131081  Deinandra kelloggii Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range. Wilson Valley Mitigation Bank (Center for Natural Lands Management), northeast of Wilson Valley Road and West of Wilson Creek. 854 Comment
  CAS-BOT-BC292007  Deinandra paniculata John 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
  CAS-BOT-BC523916  Deinandra paniculata R. E. Riefner, Jr. 2014-8-27 14 -304 Riverside City of Riverside, Moreno Valley,Box Springs Blvd., at Sycamore Canyon Blvd., W of 215-Freeway 483 Comment
  SD231214  Deinandra paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley: City of Riverside (La Sierra area). Riverside West. 244 Comment
  UC1792825  Deinandra paniculata A. C. Sanders, Guy Bruyea 2004-4-2 27427 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side just north of Rose Rd. 463 Comment
  CAS-BOT-BC7990  Delphinium parishii subsp. parishii Ynez Whilton Winblad 1937-4-19 S.N. Riverside Near Palm Springs Comment
  RSA0018982  Delphinium parishii subsp. parishii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2143 Riverside Santa Rosa Mountains. Comment
  LA207619  Delphinium parishii subsp. subglobosum Carl Epling; Mrs. Epling 1937-6-7 sn Riverside 1 mi. above Pine Flat Comment
  SD133019  Delphinium parryi Scott White 1991-5-13 91 95 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  CAS-BOT-BC121427  Delphinium parryi subsp. parryi H. Lewis 1941-7-7 s.n. Riverside Lake Hemet Comment
  UCR97025  Delphinium parryi subsp. parryi Scott D. White 1997-2-28 4711 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  CLARK-A1656-638  Dendromecon rigida Iris Fleming 1978-4-30 Riverside Cabazon 609 Comment
  CAS-BOT-BC198170  Deschampsia danthonioides Frank W. Peirson 1922-5-19 3022 Riverside Menifee Valley Comment
  CAS-BOT-BC201724  Deschampsia elongata Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mt. 2438 Comment
  POM162730  Deschampsia elongata Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts. 2439 Comment
  RSA740249  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-7-8 12386 Riverside Johnson Meadow. 1439 Comment
  UCD114768  Descurainia pinnata J. Warren 1952-4-6 s.n. Riverside Palm Springs. 457 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
  RSA741073  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-5 12081 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  CAS-BOT-BC500852  Dichelostemma capitatum Ivan Johnston 1917-4-4 1077 Riverside Palm Canyon, Colorado Desert Comment
  RSA70375  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1919-4-12 s.n. Riverside Tahquitz canyon near Palm Springs. Comment
  CAS-BOT-BC292184  Dicoria canescens Marcus E. Jones 1924-10-1 s.n. Riverside Whitewater Comment
  OBI26028  Dicoria canescens David J. Keil 1977-1-2 11935 Riverside W of Blythe along I-10 Comment
  UCR23773  Dicoria canescens John C. Roos, L. Roos 1957-11-30 6659 Riverside Coachella Valley, 6 mi NW of Thousand Palms 152 Comment
  UCR19367  Digitaria ischaemum John C. Roos 1965-9-28 s.n. Riverside San Jacinto Valley, San Jacinto Comment
  UCR150041  Digitaria sanguinalis Scott D. White, Brian Leatherman 2004-10-7 10768 Riverside Perris Basin, city of Perris, immediately east of the I-215 Freeway, at Watson Road 434 Comment
  CAS-BOT-BC150936  Diplacus bigelovii var. bigelovii Edmund C. Jaeger 1939-3-30 s.n. Riverside Desert Center Comment
  RSA0019284  Diplacus brevipes N. C. Cooper 1944-6-17 1424 -A Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA0019408  Diplacus fremontii Henry J. Ramsey, Henry J. Ramsey 1939-4-23 392 Riverside Hemet, Anza, Bautista Creek Rd. Comment
  RSA0018418  Diplacus longiflorus var. calycinus Scott D. White 1993-5-29 1438 Riverside San Bernardino Mountains: Banning Canyon and Big Oaks Canyon along the road to Raywood Flat, Yucaipa Ridge. Comment
  CDA3683  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside UCR Botanical Garden, Riverside. Comment
  UCR239908  Diplotaxis muralis O. F. Clarke 2003-4-1 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA613137  Distichlis spicata D. L. Banks 1997-3-6 1407 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
  RSA13944  Ditaxis lanceolata P. A. Munz 1922-4-9 4883 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  SFV17344  Ditaxis lanceolata J. D. Dilley, J. N. Hogue (109.6) 1998-4-24 279 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  JOTR30683  Ditaxis neomexicana Andre, Jim, Tasha La Doux 2008-9-13 10269 Riverside Joshua Tree National Park. Eagle Mountains at Joshua Tree National Park boundary, lower slopes of south end of Eagle Mtns., along aqueduct access road. 354 Comment
  RSA608178  Ditaxis neomexicana Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10065 Riverside Colorado-Mojave Desert transition, Little Maria Mountains: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. 274 Comment
  RSA784936  Ditaxis neomexicana Duncan S. Bell 2012-2-12 3104 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  JEPS52443  Ditaxis serrata Marjorie D. Clary 1932-5-22 928 Riverside Hexie Mt. n side Colorado Desert Comment
  RSA278953  Ditaxis serrata B. A. Prigge, L. Martinez 1978-3-23 s.n. Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of north Palm Springs on Dillon Rd. 274 Comment
  CAS-BOT-BC412630  Dodecahema leptoceras Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  CAS-BOT-BC412631  Dodecahema leptoceras James L. Reveal 1988-5-23 6863 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fairview Avenue in Valle Vista, north of the highway and south of the San Jacinto River 609 Comment
  RSA321312  Dodecahema leptoceras L. B. Ziegler 1967-6-14 158 Riverside Bautista Creek Canyon 750 Comment
  UCR138806  Dodecatheon clevelandii subsp. clevelandii D. L. Banks, J. Moreno 1997-2-5 1249 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  CAS-BOT-BC41633  Draba corrugata var. saxosa J. Ewan 1930-9-1 s.n. Riverside Summit of Mount San Jacinto. 3293 Comment
  SD67923  Draba corrugata var. saxosa Reid Moran 1968-8-3 15358 Riverside north slope, ridge 1 mile NW of Toro Peak 2250 Comment
  RSA495416  Draba cuneifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2941 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA773169  Draba verna Duncan S. Bell, Valentin Arvizu 2010-5-24 1108 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  OBI32750  Drymocallis glandulosa var. glandulosa E. W. Lathrop 1966-5-29 6388 Riverside Mail Divide Truck Trl between El Carriso and Santiago Peak, Cleveland Natl Forest 1219 Comment
  CAS-BOT-BC535005  Drymocallis glandulosa var. reflexa C. B. Wolf 1931-5-11 1961 Riverside San Jacinto Mts. near Pipe Creek above Hemet Valley, Upper Sonoran 1676 Comment
  POM19610  Drymocallis glandulosa var. viscida Mary F. Spencer 1923-6-2 2173 Riverside Idyllwild. Comment
  RSA596154  Dryopteris arguta Darin L. Banks 1996-11-7 1191 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  CAS-BOT-BC411415  Dudleya lanceolata Edmund C. Jaeger 1925-5-2 s.n. Riverside Keyes Water Canyon, Box Springs Mtn. Comment
  CHSC101725  Dudleya lanceolata Scott D. White; Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 B Riverside San Jacinto Mountains; Idyllwild area; 'Strawberry Fuelbreak: between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr., west to creek. 1524 Comment
  RSA494649  Dudleya lanceolata B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  UC2059983  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 682 Riverside San Jacinto Mountains, Thomas Mountains, ca. 1/2 mi from Highway 74 on Ramona Trail. Comment
  POM66435  Dyssodia porophylloides Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  SEINET5497458 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17368 .1 Riverside along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild 1445 Comment
  UCR92355  Echinochloa colona Scott D. White, S. Ogg 1994-10-17 2472 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  SBBG129040  Echinochloa crus-galli D. Duguma 2013-7-7 Riverside Prado wetlands near Corona 155 Comment
  CHSC23210  Elatine chilensis Robert F. Thorne; E. Lathrop 1969-5-19 37968 Riverside Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  UCR15634  Eleocharis acicularis var. acicularis George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  RSA614833  Eleocharis geniculata A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15815 Riverside San Bernardino Mountains: Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. Comment
  UC68611  Eleocharis macrostachya H. M. Hall 1905-4-27 5919 Riverside Paloverde Valley Colorado Desert 76 Comment
  RSA179522  Eleocharis radicans E. W. Lathrop 1960-6-14 5010 Riverside 14 miles west of Murrieta. Comment
  LA14803  Elymus condensatus F. M. Reed; 1906-6-10 1014 Riverside Upper South Fork of Arroyo Tahquitz [?] Comment
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Jan 18 2014
  SD187318  Elymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside San Jacinto Mountain foorhills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  SEINET251737 Image available Elymus condensatus Unknown 2005-5-16 781 Riverside San Jacinto Mtn. foothills: San Jacinto River E of Valle Viste, just downstream from the Forest Service boundary and N of CA Hwy 74 (Blackburn Canyon 7.5' Q.:). 549 Comment
  JOTR35510  Elymus elymoides subsp. elymoides La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3197 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  UC38180  Elymus elymoides subsp. elymoides H. M. Hall 1897-8-11 821 Riverside Lake Surprise San Jacinto Mountains (shores) 2499 Comment
  RSA263696  Elymus glaucus E. W. Lathrop 1966-5-26 6339 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA326149  Elymus glaucus subsp. glaucus John F. Emmel 1981-6-21 786 Riverside San Jacinto Mountains; Idyllwild; below Middleridge Drive, south of USC ISOMATA campus. 1585 Comment
  RSA561007  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross 1992-5-4 72032 Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  OBI2172  Emmenanthe penduliflora P. A. Holden 1969-4-6 706 Riverside At foot of Morongo Grade just W of hwy 62 and just N of Mission Crk Comment
  POM128370  Emmenanthe penduliflora Thomas Craig 1927-4-23 200 Riverside Glen Ivy. Comment
  RSA594781  Emmenanthe penduliflora D. L. Banks, Dylan Hannon 1996-5-3 975 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  RSA697748  Emmenanthe penduliflora J. R. Bruff s.n. Riverside Palm Springs. Comment
  UCR114116  Emmenanthe penduliflora B. G. Pitzer, J. Ross 1998-3-8 3611 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR260542  Emmenanthe penduliflora var. penduliflora T. B. Salvato 2014-5-29 8027 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  HSC34783  Encelia actoni R. E. Cooksey Mar 1974 193 Riverside Chino Canyon below Palm Springs Tramway; San Jacinto Mtns. 381 Comment
  CAS-BOT-BC131342  Encelia farinosa Ira L. Wiggins 1941-3-24 9577 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  LA202452  Encelia farinosa T. A. Geissman; 1966-3-12 31266 -EF Riverside Joshua Tree National Monument, S entrance Comment
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Sep 20 2013
  SEINET3406122 Image available Ephedra R. F. Thorne, M. Z. Thorne 1973-3-30 42689 Riverside Colorado Desert; Little San Bernaardino Mountains region; Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs. 488 Comment
  SBBG56452  Ephedra californica M. N. Ackley 1928-3-11 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  RSA0092841  Ephedra nevadensis J. Andre 2012-4-11 20808 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr.. 956 Comment
  CAS-BOT-BC81872  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside sand dunes southeast of Iron Mts. Comment
  UCR114315  Epilobium canum Mitch Provance 2000-7-23 905 B Riverside Jurupa Mtns, Property just NE of the Jurupa Mtns. Cultural Center 305 Comment
  RSA180495  Epilobium canum subsp. canum E. W. Lathrop 1965-9-22 6017 Riverside 8 miles west of Murrieta. Comment
  CAS-BOT-BC171729  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-13 4309 Riverside Colorado Desert, Cottonwood Springs, Eagle Mts. 289 Comment
  UC874272  Epilobium canum subsp. latifolium I. W. Clokey and E. G. Anderson 1935-8-21 6773 Riverside n Keen Camp P.O. 1400 Comment
  JOTR35177  Epilobium ciliatum subsp. ciliatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3278 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA162774  Epilobium oregonense J. D. Olmsted 1959-7-1 713 Riverside Wellman s Cienega along San Jacinto Pk. trail from Fern Valley NE of Idyllwild. Comment
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Jun 21 2008
  RSA0121456  Epipactis gigantea Duncan S. Bell, LeRoy Gross 2016-3-30 9136 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
  CAS-BOT-BC58049  Equisetum G. B. Grant 1901-1-1 s.n. Riverside Strawberry Valley, San Jacinto. Comment
  RSA680161  Equisetum arvense Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8627 B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA774720  Equisetum hyemale var. affine Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4455 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64305 487 Comment
  UCD63460  Eragrostis mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside and vicinity. Santa Ana River bottom near Chinese Gardens. Comment
  RSA0108941  Eremalche exilis Duncan S. Bell, Amanda Bell 2012-1-28 3069 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UC665865  Eremalche exilis Ira L. Wiggins 1941-3-27 9685 Riverside 8 mi. n.e. Desert Center; s. end Coxcomb Mts. Comment
  UC1922542  Eremalche exilis Michael Honer, Theresa Miller 2005-3-11 2065 Riverside Colorado Desert; Northeastern Colorado Desert region: Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E. of ATSF railway. Comment
  RSA695438  Eremalche rotundifolia Scott D. White, Michael Honer 2003-5-14 9289 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC1168715  Eremalche rotundifolia Peter H. Raven 1958-2-15 11567 Riverside Corn Springs Chuckwalla Mts., Corn Springs Comment
  UCR251669  Eremalche rotundifolia Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 766 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  SBBG6260  Eremocarya micrantha H. and M. Dearing 1942-2-5 4791 Riverside Cathedral City Comment
  UCSB7335  Eremothera refracta Wilson, Richard 1958-3-22 Riverside 7 miles E. of Desert Center on U.S. Highway 60-70 Comment
  SD229214  Eriastrum densifolium subsp. austromontanum Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 637 Riverside Mt. San Jacinto 1085 Comment
  RSA0110543  Eriastrum densifolium subsp. elongatum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  SEINET3005066  Eriastrum diffusum G. Rink 2011-5-1 10504 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  CSUSB1767  Eriastrum eremicum Wayne White 1975-5-24 Riverside Chuckwalla Mountains Chuckwalla Mountains. On Highway I-10 to Red Cloud Road. Colorado Desert. 609 Comment
  UCR85437  Eriastrum eremicum George K. Helmkamp 1994-4-26 88- 8 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  RSA0120086  Eriastrum eremicum subsp. eremicum P. A. Munz 1937-5-29 15148 Riverside Palms to Pines Highway, Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA0120676  Eriastrum harwoodii Duncan S. Bell 2010-4-2 682 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 3 air miles northwest of Priest Well; collecting along a sandy slope above the main western drainage for the Arica mountains. 464 Comment
  UC23874  Eriastrum sapphirinum H. M. Hall 1896-8-27 329 Riverside Strawberry Valley San Jacinto Mountains 1584 Comment
  UCR193861  Eriastrum sapphirinum A. C. Sanders, Mitch Provance 2008-7-11 35769 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCSB16708  Eriastrum sapphirinum subsp. sapphirinum Dearing, Hugh; Dearing, Margaret 1940-6-8 Riverside Pines to Palms Highway west of Ribbonwood Comment
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Nov 19 2011
  RSA674530  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside North of Alvin Meadow near USFS Road 5S10 (Red Hill Rd) (Lk Fulmor/Blackburn Cyn. 1616 Comment
  UCR85285  Ericameria cuneata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  RSA754133  Ericameria cuneata var. spathulata W. Schlegel, Kate Kramer 2009-11-9 62 Riverside Idyllwild: Keenwild Helibase in some rocks right below the landing platform/on the edge of the landing platform. Comment
  CAS-BOT-BC287640  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 373 Riverside About 2 miles up water service road leading S from Highway 72, Deep Canyon, N slope Santa Rosa Mts 1310 Comment
  CAS-BOT-BC287641  Ericameria linearifolia Frank W. Peirson 1921-3-21 2380 Riverside Gordon Trail, E slope San Jacinto Mts 914 Comment
  RSA91784  Ericameria linearifolia F. W. Peirson 1921-3-21 2380 Riverside Gordon trail from Andreas Canyon to San Jacinto Peak. 915 Comment
  SD229090  Ericameria nauseosa var. bernardina Dick Schwenkmeyer 2012-8-7 778 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  CAS-BOT-BC299538  Ericameria paniculata Lewis S. Rose 1935-12-21 35677 Riverside Whitewater Wash, 3 mi. SE Palm Springs Station 304 Comment
  RSA160568  Ericameria pinifolia J. D. Olmsted 1959-9-23 1008 Riverside 4 miles S of Hemet Lake on Hwy. 74, San Jacinto Mts. 1387 Comment
  UCR256800  Erigeron foliosus T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7868 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  UCR117336  Erigeron foliosus var. foliosus Mitch Provance 1998-6-11 651 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  POM13315A  Eriodictyon crassifolium E. C. Jaeger 1921-4-7 1079 Riverside Murray Canyon, Palm Springs Comment
  SDSU65  Eriodictyon crassifolium var. crassifolium Gerald Collier 1951-5-26 Riverside 15 miles east of Hemet. Dry rocky slopes. St. Hwy. 74. SanJacinto Mountains. San Bernadino National Forest. Comment
  UCR234761  Eriodictyon crassifolium var. crassifolium A. C. Sanders, John F. Green 2012-6-25 40310 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 376 Comment
  RSA0120005  Eriodictyon trichocalyx var. lanatum Duncan S. Bell, Thomas Stoughton 2016-4-13 9258 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCD101513  Eriogonum Collector unknown 1971-6-9 578 Riverside Kingsbury Station. Comment
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May 5 2014
  SDSU5921  Eriogonum apiculatum F. Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mts. Comment
  UC729819  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside near Idyllwild (Point View); San Jacinto Mts. 1645 Comment
  JEPS56713  Eriogonum davidsonii Marjorie D. Clary 1932-8-21 1089 Riverside Hemet Valley Colorado Desert, San Jacinto Mts., Hemet Valley 1371 Comment
  RSA393468  Eriogonum davidsonii Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  UC597719  Eriogonum davidsonii Philip A. Munz 1937-5-29 15152 Riverside Deep Canyon Santa Rosa Mts., Deep Canyon 1066 Comment
  UCR50891  Eriogonum deflexum A. C. Sanders 1988-5-11 7807 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UCR199724  Eriogonum elongatum Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10683 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
  SEINET6418387  Eriogonum fasciculatum Ken Zysk 1971-4-27 P 140 Riverside Chaffey College 457 Comment
  UCR125220  Eriogonum fasciculatum Mitch Provance 1998-5-24 532 C Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  SD229218  Eriogonum fasciculatum var. foliolosum Dick Schwenkmeyer 2012-4-17 694 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  CAS-BOT-BC250136  Eriogonum fasciculatum var. polifolium Annie M. Alexander; Louise Kellogg 1941-5-23 2223 Riverside Colorado Desert. 1.5 miles northeast of Cottonwood Spring, Eagle Mountains 975 Comment
  SBBG35023  Eriogonum fasciculatum var. polifolium T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  UC849406  Eriogonum fasciculatum var. polifolium Alice Eastwood 1913-4-30 3020 Riverside Palm Springs Comment
  RSA393580  Eriogonum inflatum var. inflatum P. J. Remple 1942-3-2 s.n. Riverside Dead Indian Creek, Santa Rosa Mtns. Comment
  UCR243574  Eriogonum maculatum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21105 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  POM2284  Eriogonum molestum H. M. Hall 1901-07 2386 Riverside San Jacinto Mountains, wooded slopes and benches of the south. 1616 Comment
  SBBG64071  Eriogonum molestum R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  UCR242663  Eriogonum molestum A. C. Sanders 2013-7-6 40852 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  UC1252147  Eriogonum pusillum Robert Langston 1964-4-27 Riverside 12 mi sw Palm Desert (Pinyon Crest); Pinyon Crest Comment
  UCD80952  Eriogonum reniforme Chuck Hughes 2009-3-23 63 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  CAS-BOT-BC263521  Eriogonum thomasii C. L. Hitchcock 1966-3-20 24312 Riverside Hills just n. of Milpitas Wash, Ogilby-Blythe Road Comment
  HSC28462  Eriogonum thomasii Richard Spjut 1973-4-10 3290 Riverside Colorado Desert, N slopes of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  JOTR35144  Eriogonum thomasii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3256 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  RSA264150  Eriogonum thomasii C. W. Tilforth, J. Dourley, W. Wisura 1977-5-20 1331 Riverside 2 miles south of Rice and Hwy 62 along Blythe-Rice Rd. 267 Comment
  SBBG81367  Eriogonum thomasii S. A. Junak 1983-3-23 1635 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR104806  Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2740 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  UCR227181  Eriogonum thomasii Jim Andre 2011-2-9 15935 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR233170A  Eriogonum thomasii Jim Andre, Glenn L. Clifton 2011-2-22 17441 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UC1563138  Eriogonum thurberi Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3633 Riverside se Vail Lake (Temecula Creek, just n of Hwy 79); Vail Lake area, Temecula Creek 487 Comment
  CLARK-A1045-213  Eriogonum trichopes George K. Helmkamp 1979-4-18 Riverside Indio Hills Dillon Road at dry wash; Lost Horse Mtn. 15'Q Comment
  UCR24328  Eriogonum wrightii John C. Roos 1967-10-28 s.n. Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Whitewater 427 Comment
  CAS-BOT-BC264935  Eriogonum wrightii var. membranaceum James L. Reveal; Caroline G. Reveal 1972-8-9 2863 Riverside Along California Highway 243 at the turnoff to Fern Basin, opposite Alandale Ranger Station, about 5.5 miles north-northwest of Idyllwild, San Jacinto Mountains Comment
  LA207120  Eriogonum wrightii var. membranaceum C. M. Dammers; 1933-10-25 sn Riverside The Gavilan, Gavilan Hills Comment
  UC6551  Eriogonum wrightii var. membranaceum H. M. Hall 1897-7-31 755 Riverside Hemet Valley San Jacinto Mountains, Hemet Valley 1524 Comment
  RSA346256  Eriogonum wrightii var. nodosum Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54060 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA772058  Eriogonum wrightii var. nodosum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4623 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR01000  Eriogonum wrightii var. nodosum Cole, James E. 1941-11-2 935 Riverside Joshua Tree National Park. SMITH WATER CANYON AT LOWER SPRING Comment
  UCR51982  Erioneuron pulchellum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2185 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR90321  Erioneuron pulchellum Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  POM230187  Eriophyllum confertiflorum I. W. Clokey 1935-4-18 6949 Riverside Gavilan Peak 600 Comment
  POM29802  Eriophyllum confertiflorum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  POM357953  Eriophyllum confertiflorum George R. Johnston 1930-6-13 s.n. Riverside Indio Canyon, Ravenna. 1067 Comment
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Nov 8 2011
  POM357969  Eriophyllum confertiflorum Emery M. Whilton 1937-4-23 s.n. Riverside Taken on the crest of the San Jacinto Mtns. Comment
  RSA701397  Eriophyllum confertiflorum Steve Boyd, Aydee Virgen 2004-4-13 10869 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SD187350  Eriophyllum confertiflorum Scott D. White, Angelia Carey 2004-4-16 10157 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UCR34970  Eriophyllum confertiflorum L. B. Ziegler 1967-5-18 133 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  RSA0041966  Eriophyllum confertiflorum Paul Shirokawa 1998-5-15 35 Riverside Cleveland National Forest: Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  UC1292309  Eriophyllum confertiflorum var. confertiflorum C. L. Hitchcock and C. V. Muhlick 1964-3-17 23106 Riverside 10 mi n Pala (on road to Elsinore) Comment
  UC31712  Eriophyllum confertiflorum var. confertiflorum Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Mountains Comment
  RSA519250  Eriophyllum multicaule Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  OBI8199  Eriophyllum wallacei David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12078 -1 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
  POM7015  Eriophyllum wallacei I. M. Munz, L. T. Street, Williams 1919-3-28 2389 Riverside San gorgonio Pass near Cabazon 543 Comment
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Mar 13 2011
  RSA80985  Eriophyllum wallacei G. R. Campbell 1952-4-5 18371 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  RSA645532  Erodium botrys Scott D. White 1993-3-12 1138 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  UCR265820  Erodium botrys Mitch Provance 2012-5-24 512- 01 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  SEINET12182127  Erodium botrys J. F. Bright, Wyman, C. 1933-1 8043 Riverside Banning Comment
  RSA390947  Erodium brachycarpum Christopher Davidson 1977-5-25 5644 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  JEPS61390  Erodium cicutarium W. L. Jepson May 1901 13558 Riverside Thomas Valley San Jacinto Mts. Comment
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Jun 19 2011
  RSA613643  Erodium cicutarium D. L. Banks, Victor W. Steinmann 1997-3-13 1476 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
  UC1536993  Erodium cicutarium Gordon H. True 1935-3-1 29 Riverside Box Springs 365 Comment
  UCR103274  Erodium cicutarium B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3574 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
  UCR279360  Erodium cicutarium A. C. Sanders, Jim Malusa 2017-3-24 42977 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  OBI14091  Erodium texanum Robert F. Hoover 1969-4-14 11238 Riverside Palm Springs, just S of S city limit Comment
  RSA0015886  Erythranthe moschata P. A. Munz, I. M. Johnston 1924-7-28 8805 Riverside Pine Flats, San Jacinto Mountains. 1738 Comment
  RSA329551  Eschscholzia caespitosa subsp. caespitosa Gary D. Wallace 1966-3-26 274 Riverside Thousand Palm Oasis in the Indio Hills 70 Comment
  OBI52763  Eschscholzia californica Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck Trl Comment
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Nov 17 2014
  UCR251937  Eschscholzia californica Harun Bektas 2011-4-26 14 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  RSA704003  Eschscholzia californica subsp. californica Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 124 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  RSA657238  Eschscholzia minutiflora J. Mark Porter 2001-4-2 12335 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA779722  Eschscholzia minutiflora Duncan S. Bell 2009-3-8 90 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  SBBG81646  Eschscholzia minutiflora S. A. Junak 1983-3-23 1640 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UC667266  Eschscholzia minutiflora Annie M. Alexander and Louise Kellogg 1941-5-15 2179 Riverside Eagle Mts. Colorado Desert (n base) 914 Comment
  RSA0023135  Eschscholzia minutiflora Henry J. Ramsey, Henry J. Ramsey 1937-2-26 887 Riverside Whitewater. Comment
  GMDRC5582  Eschscholzia papastillii Shannon M. Still 2009-3-28 510 Riverside Pinto Mountains: in middle of Pinto Mtns, in sandy wash 584 Comment
  UCD96505  Eschscholzia papastillii Shannon M. Still 2009-2-21 437 Riverside California. Riverside County. 170 Comment
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Sep 2 2017
  CAS-BOT-BC419645  Eschscholzia parishii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  UCR147669  Eschscholzia parishii Steve Boyd, Et al. 2004-5-14 11222 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  CHSC100685  Eucalyptus A. C. Sanders; O. F. Clarke, A. M. Boyce, C. L. Sanders 1993-11-7 14220 Riverside Riverside, residential garden of Al M. Boyce, 266 Frost Court (E edge of UCR). 360 Comment
  RSA655401  Eucalyptus rudis A. C. Sanders 1998-1-15 21650 Riverside along old Rawson Rd. in center of Crown Valley, at junction with main E-W road through valley 634 Comment
  RSA776250  Eucnide urens Duncan S. Bell 2010-3-20 634 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  SD130318  Eucrypta chrysanthemifolia Ed LaRue 1990-4-13 Riverside 0.t mile northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  UCR269920  Eucrypta chrysanthemifolia var. chrysanthemifolia Daphne K. Christopher, Hannah I. Stevens 2003-4-4 090 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UC68569  Eulobus californicus H. M. Hall May 1905 6242 Riverside Shaver's Well Colorado Desert, Chilcoot Pass Comment
  CLARK-A1528-2490  Euonymus occidentalis subsp. parishii John C. Roos 1941-8-2 Riverside San Jacinto Mountains Comment
  CLARK-A1528-2491  Euonymus occidentalis subsp. parishii John C. Roos 1943-8-8 269 Riverside San Jacinto Mountains 1828 Comment
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Mar 22 2014
  CAS-BOT-BC310320  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  UCR16135  Euphorbia albomarginata Kirk Taylor 1976-5-23 76-5-23- 3 Riverside Peninsular Range, Murrieta, beginning of Tenaja Road (at Lemon) 335 Comment
  SEINET3106568  Euphorbia eriantha Sears 1977-10-12 S- 562 Riverside Corn Springs Rd. in Corn Springs wash, 3 miles from Corn Springs and 5 miles from the highway. 439 Comment
  POM12022  Euphorbia palmeri Mary F. Spencer 1921-6-1 1227 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA0119995  Euphorbia pediculifera Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9086 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UCD142718  Euphorbia polycarpa Geoffrey Levin 1976-10-17 1171 Riverside Box Canyon. About 11 miles east of Mecca. Mecca Hills. Salton Sea Basin. 91 Comment
  UCR166872  Euphorbia polycarpa 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
  UCR239870  Euphorbia prostrata O. F. Clarke 2004-5-4 s.n. Riverside Riverside, UCR Campus 335 Comment
  UCR118745  Euryops pectinatus Michael A. Patten 1993-3-19 s.n. Riverside San Bernardino Valley region, Riverside, Canyon Crest area, below Sycamore Canyon 366 Comment
  RSA588594  Euthamia occidentalis D. L. Banks, Steve Boyd 1995-10-17 0805 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns E., Just W of the Metasedimentary hills. 524 Comment
  UC74007  Euthamia occidentalis F. M. Reed 1904-11-5 669 Riverside West Riverside on Evans Ranch above Chinese gardens Comment
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Jan 14 2010
  CAS-BOT-BC167368  Fagonia laevis H. M. Hall 1905-4-1 5806 Riverside 10 miles west of Coachella. Colorado Desert 152 Comment
  RSA0040074  Fagonia laevis Jim Andre 2014-1-27 26657 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  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
  RSA788518  Fagonia laevis James R. Shevock 1986-3-23 11358 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center. 350 Comment
  SEINET3071531 Image available Fagonia laevis George K. Helmkamp, E. A. Helmkamp 1998-1 2657 Riverside Sonoran (Colorado) Desert; Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  SJSU4939  Fagonia laevis J. A. Schroeder 1969-4-1 8 Riverside 10 mi N of Blythe Comment
  JOTR31894  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  UCR25380  Fagonia pachyacantha John C. Roos, Lucille Roos 1949-4-6 4146 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  UCR85152  Ferocactus cylindraceus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16092 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  CSUSB448  Festuca arundinacea Steve Walker 1966-5-13 Riverside City of Riverside; Fairmount Park; 500 yards from Santa Ana River. Western perimeter. 274 Comment
  JOTR33748  Festuca bromoides La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2746 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR20858  Festuca microstachys A. C. Sanders 1978-6-20 885 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR97745  Festuca microstachys B. G. Pitzer 1997-4-1 3047 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA0126277  Festuca octoflora Duncan S. Bell 2016-3-4 8807 Riverside Orocopia Mountains; northwest section of the range, in a small canyon approximately 4 air miles north northwest of the Orocopia Mountain summit area. 622 Comment
  RSA717499  Ficus carica A. C. Sanders, O. F. Clarke 1991-6-10 11119 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR166554  Filago depressa Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10900 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA615092  Filago gallica D. L. Banks 1997-3-29 1587 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
  UCR156088  Filago gallica T. B. Salvato, Kent Beaman 2005-5-16 798 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
  UCR274190  Filago gallica T. B. Salvato, Gregg Miller 2005-6-7 1436 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA0077530  Fouquieria splendens G. Wallace 1964-4-26 s.n. Riverside Highway 111 below Pinon Flats. 609 Comment
  CAS-BOT-BC223605  Fouquieria splendens subsp. splendens Catherine A. Toschi 1963-4-10 63 :112 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  RSA392143  Frasera parryi M. B. Dunkle 1933-7-20 3694 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCD122023  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA569000  Funastrum cynanchoides var. hartwegii M. B. Dunkle 1935-4-17 s.n. Riverside W. of Wiley Well. Colorado Desert. Comment
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Dec 14 2011
  RSA781183  Funastrum cynanchoides var. hartwegii D. Silverman 2010-3-30 7886 Riverside East bajada flank of southern McCoy Mountains, 1 km west of Black Creek Road, 7.8 km east of McCoy Peak, and 4.8 km N of I-10 165 Comment
  SBBG58625  Funastrum cynanchoides var. hartwegii R. Hoffmann 1929-9-11 Riverside Aguanga Comment
  UCD166240  Funastrum cynanchoides var. hartwegii Jack Major 1962-4-17 775 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  HSC25819  Funastrum hirtellum R. W. Spjut 1972-3-20 2291 Riverside Colorado Desert, N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center. 305 Comment
  JOTR36481  Funastrum hirtellum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3441 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  UCR158137  Galium angustifolium A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30119 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
  JEPS56079  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4278 Riverside about 2 1/2 mi above lower end of road to Santa Rosa Peak Comment
  POM367713  Galium angustifolium subsp. angustifolium N. R. Zabriskie, W. M. Zabriskie 1972-6-18 525 Riverside Along fire road S of S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild. 1921 Comment
  UCR151104  Galium angustifolium subsp. angustifolium Scott D. White, Julie Greene 1998-8-1 6967 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  RSA0103090  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA761270  Galium angustifolium subsp. jacinticum Shawn Krosnick, Lucinda A. McDade, Naomi S. Fraga 2010-8-14 670 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD135314  Galium angustifolium subsp. jacinticum Craig Reiser, Dylan Hannon 1993-5-30 Riverside On ridgeline saddle between Toro Peak and Santa Rosa Peak Comment
  SBBG34186  Galium aparine T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns near Idlewild Comment
  UCR139041  Galium aparine D. L. Banks 1997-3-6 1397 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  UCR214013  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37795 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  JOTR33926  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2817 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  JOTR01223  Galium munzii Cole, James E. 1941-5-30 829 Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1584 Comment
  UCR92044  Galium nuttallii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3346 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
  UCR155336  Galium porrigens A. C. Sanders, Mike Misenhelter 2005-3-23 29266 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA66724  Galium stellatum F. W. Peirson 1919-4-12 1191 Riverside Along the Tahquitz Creek stream near Palm Springs Comment
  UCSB16318  Galium stellatum Winn, Will 1963-5-5 Riverside 5.7 miles NE of Pinyon Flats Campground 792 Comment
  UC889025  Galium stellatum var. eremicum C. L. Hitchcock 1940-3-30 5870 Riverside Cottonwood Spring Comment
  RSA597531  Garrya flavescens Louis C. Wheeler 1960-5-9 7687 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  SBBG5336  Garrya flavescens H. and M. Dearing 1937-11-27 Riverside Santa Rosa Mtn Comment
  UC511835  Garrya flavescens Frank W. Peirson 1933-4-13 10644 Riverside road from Deep Canyon to Idyllwild 1524 Comment
  SBBG89551  Gastridium phleoides J. Adams 1966-4-28 736 b Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  CLARK-A1528-4674  Gastridium ventricosum John C. Roos 1965-6-30 Riverside Santa Ana Mountains Comment
  CAS-BOT-BC303573  Geraea canescens Alice Eastwood 1913-4-30 3056 Riverside Palm Springs Comment
  POM358669  Geraea canescens Hutchinson 1926-5-1 s.n. Riverside Palm Springs, Riverside County Comment
  UC64177  Geranium californicum unknown 1897-7-22 722 Riverside San Jacinto Mt. 1828 Comment
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Jul 4 2010
  POM10411  Geranium richardsonii Anonymous 1903-07 s.n. Riverside Strawberry Valley. [county not specified] Comment
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Nov 26 2016
  UCR167849  Gilia T. B. Salvato, Melissa Clemons 2005-6-2 1355 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR193301  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35597 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  UCR195113  Gilia A. C. Sanders, Tim Thomas 2008-8-1 35931 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  RSA601538  Gilia achilleifolia subsp. multicaulis L. Haines, L. Erickson 1937-4-9 s.n. Riverside Riverside-Hemet road near Winchester turnoff. Comment
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Mar 20 2011
  RSA470128  Gilia angelensis N. C. Cooper 1947-4-5 2043 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA525457  Gilia angelensis Steve Boyd, Dave Bramlet 1990-4-29 4502 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  UCR52586  Gilia australis Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243, 1-2 mi below Mt. Edna turnoff Comment
  RSA314459  Gilia capitata subsp. abrotanifolia R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55470 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR130222  Gilia diegensis George K. Helmkamp, E. A. Helmkamp 1998-6-27 4109 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  RSA698346  Gilia latiflora J. R. Bruff 1928-4-2 106 Riverside Canyon 1 mile west of Morengo Comment
  UCR167250  Gilia latifolia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA786239  Gilia leptomeria Doris Bowers 1973-4-15 1964 Riverside S/o Cave Spring, Providence Mts. 1220 Comment
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Aug 24 2013
  RSA0017100  Gilia ochroleuca subsp. exilis H. M. Hall 1897-05 304 Riverside Hemet Valley. 1372 Comment
  RSA782089  Gilia scopulorum Duncan S. Bell 2009-3-7 6 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  RSA0124746  Gilia stellata Duncan S. Bell, LeRoy Gross 2016-3-9 8839 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA150808  Gilia stellata Clare B. Hardham 1962-3-18 8925 Riverside East side of Salton Sea, Route 195 Comment
  RSA516892  Gilia stellata Steve Boyd, Orlando Mistretta 1986-3-13 1408 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UC665750  Gilia stellata Ira L. Wiggins 1941-3-26 9661 Riverside along wash at Wiley Well; along wash at Wiley Well Comment
  UCR167824  Glinus lotoides T. B. Salvato, Melissa Clemons 2005-6-2 1398 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR112518  Gnaphalium californicum Mitch Provance 1998-2-6 23 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 351 Comment
  UCR3183  Gnaphalium californicum Chuck Elliott 1964-5-7 s.n. Riverside Riverside, 1 mi past end of Canyon Crest Road west. 305 Comment
  UCR138599  Gnaphalium canescens subsp. beneolens D. L. Banks 1996-11-7 1211 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  RSA617821  Gnaphalium palustre R. E. Riefner 1998-4-22 98 -292 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  RSA0112993  Gnaphalium thermale P. A. Munz, I. M. Johnston 1924-7-28 8807 Riverside Pine Flats, San Jacinto Mts. [original label says San Diego Co.] 1738 Comment
  RSA271604  Guillenia lasiophylla Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6427 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe 290 Comment
  RSA244349  Gutierrezia californica C. W. Tilforth 1973-8-17 958 Riverside Campus Ave. between Foothill Blvd. & Baseline Rd., Upland. Comment
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Jun 22 2013
  RSA741736  Gutierrezia californica Michael Wall 2008-10-3 491 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  RSA90697  Gutierrezia californica F. W. Peirson 1920-12-28 5298 Riverside Murray Canyon near Palm Springs Comment
  UCR235051  Gutierrezia californica A. C. Sanders, John F. Green 2012-5-27 40214 Riverside Peninsular Range; Perris-Aguanga Basin Region, eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  UCR245800  Gutierrezia californica A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40962 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  JOTR16594  Gutierrezia microcephala Hogan, J. 1974-9-7 212 Riverside Joshua Tree National Park. UNICTION OF UPPER COVINGTON FLATS AND EUREKA PEAK ROADS 1432 Comment
  RSA709849  Gutierrezia microcephala Sarah J. De Groot, L. Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4628 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR150641  Gutierrezia microcephala Bern Schwenn 1994-9-18 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mountains; on saddle between Bernard and Little San Bernardino Peaks, SW of Bernard 1591 Comment
  JOTR36389  Gutierrezia sarothrae La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3342 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  SD260183  Gutierrezia sarothrae T. B. Salvato, Arlee Montalvo 2015-8-22 8232 Riverside San Jacinto Mountains: Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74. 1402 Comment
  UCR92154  Gutierrezia sarothrae D. L. Banks, Steve Boyd 1995-10-26 0827 Riverside NW Palomar Mtns., Agua Tibia Mts., Cleveland Nat'l Forest, west of the Woodchuck trail. 0.8 mi from Wilderness Boundary 744 Comment
  UCR102848  Harpagonella palmeri A. C. Sanders 1997-3-26 20128 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR260534  Harpagonella palmeri T. B. Salvato 2014-5-29 8048 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA0066616  Harpagonella palmeri P. A. Munz, Ivan M. Johnston 1922-5-19 5335 a Riverside 5 mi NE of Murietta. 427 Comment
  UCR93014  Helianthemum scoparium G. P. Schultz 1994-4-7 70 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA595918  Helianthus annuus D. L. Banks, Lauren Raz 1996-11-5 1177 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  UC537152  Helianthus gracilentus M. E. Jones 1934-5-10 Riverside Elsinore Comment
  UCR231737  Helianthus gracilentus John F. Green 2008-4-23 08- 06 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR248086  Heliotropium curassavicum Duncan S. Bell 2012-9-13 4192 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UCR275275  Heliotropium curassavicum T. B. Salvato, Gregg Miller 2005-6-7 1459 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  RSA679104  Hemizonia laevis Mark Elvin, Michael Wall 1996-5-13 177 Riverside San Jacinto Wildlife Preserve. ~ One mile past ranger station on dirt road. Comment
  RSA716381  Hemizonia mohavensis Scott D. White 2006-4-27 11300 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR132826  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22276 Riverside San Jacinto Mtns., Herkey Creek, Garner Valley along Hwy 74 near Lake Hemet Campground, north side of road 1329 Comment
  RSA192325  Hemizonia paniculata E. W. Lathrop 1967-5-14 s.n. Riverside 1-2 miles SW of Murietta Comment
  UCR201856  Hemizonia paniculata Justin M. Wood 2008-8-31 121 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  UCR126990  Hemizonia pungens subsp. laevis A. C. Sanders, Guy Bruyea 2003-6-12 26891 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR260890  Hemizonia pungens subsp. pungens A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41523 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  RSA779688  Hesperocallis undulata Duncan S. Bell 2010-4-2 699 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  UCR213275  Hesperocallis undulata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37428 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  RSA740766  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-19 12264 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  SD51950  Heterocodon rariflorum Reid Moran 1962-7-7 9854 Riverside Near Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  UCR24935  Heterocodon rariflorum A. C. Sanders 1981-7-19 1691 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  SD186321  Heteromeles arbutifolia Andy C. Sanders 2004-6-20 28211 Riverside Peninsular Range: Temescal Canyon, Serrando Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the i-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA0072391  Heteromeles arbutifolia E. W. Lathrop 1965-12-9 6039 Riverside 5 miles southwest of Murrieta on the De Luz truck trail. 457 Comment
  UC74099  Heterotheca sessiliflora subsp. echioides M. F. Gilman 1904-1-1 33 Riverside Banning Comment
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Mar 13 2011
  RSA0066124  Heuchera hirsutissima L. B. Ziegler 1969-7-1 s.n. Riverside North face of San Jacinto Mts. 2346 Comment
  CLARK-A1528-3227  Hibiscus denudatus John C. Roos 1958-2-22 Riverside Chuckwalla Mountains Comment
  POM13900  Hibiscus denudatus P. A. Munz, D. D. Keck 1922-4-9 4832 Riverside South base of Eagle Mountains 213 Comment
  UCR72231  Hibiscus denudatus Theo Glenn 1991-5-28 91- 110 Riverside Sonoran (Colorado) Desert, Mule Mountains 165 Comment
  POM360445  Hieracium albiflorum E. C. Jaeger 1921-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  UC63099  Hieracium horridum H. M. Hall 1897-8-11 814 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2438 Comment
  UCR275476  Hilaria rigida Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Sonoran (Colorado) Desert, dune system along Midland-Rice Road, south of Arica Mountains 305 Comment
  SEINET10522081  Hilaria rigida David B. Dunn 1946-3-16 Dunn 2079 Riverside Collected on arid slope in Pushawalla Canyon about 1 mi above the main Palm group. Indio Hills. Comment
  UCR163059  Hoffmannseggia glauca B. G. Pitzer, G. R. Ballmer 2000-10-14 4220 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  LA45810  Hoffmannseggia microphylla A. M. Johnson; 1928-5-5 365 Riverside Painted Canyon, Colorado Desert Comment
  SBBG119035  Hoffmannseggia microphylla S. J. DeGroot, T. Thibault, V. Arvizu, L. Gross, L. Rojas 2004-5-14 4335 Riverside N of the Chocolate Mtns, just N of the Bradshaw Trail, S of Orocopia Mtns 168 Comment
  UCR189580  Holocarpha virgata subsp. elongata Andrea Salzman 2006-10-12 196 Riverside Peninsular Range; Santa Ana Mountains, along road from Tenaja Gaurd Station, above Tenaja Canyon. San Mateo Canyon 599 Comment
  UCR76162  Hordeum depressum A. C. Sanders 1993-4-1 13661 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
  RSA595136  Hordeum intercedens Steve Boyd, Dave Bramlet 1996-4-19 8592 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR162953  Hordeum intercedens Fred M. Roberts, D. E. Bramlet 2005-4-1 6141 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  CAS-BOT-BC285112  Hordeum marinum subsp. gussoneanum Philip A. Munz 1941-5-18 16651 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  UCR22189  Hordeum marinum subsp. gussoneanum E. W. Lathrop 1959-4-26 4506 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  RSA198984  Hordeum marinum subsp. gussoneanum R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37581 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  UCR100170  Hordeum murinum Scott D. White 1993-3-3 1084 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  CAS-BOT-BC284763  Hordeum murinum subsp. glaucum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23083 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  RSA772332  Hordeum murinum subsp. glaucum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4512 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA522779  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3886 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
  RSA367  Horkelia clevelandii J. T. Howell 1927-8-2 557 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  CAS-BOT-BC55488  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  JEPS46452  Horsfordia Mrs. Ben L. Clary Apr., 1930 Riverside Coral Reef Ranch Coachella Comment
  RSA433950  Horsfordia alata Marjorie D. Clary 1930-04 s.n. Riverside Canyon near Coachella 19 Comment
  RSA679986  Hulsea vestita subsp. callicarpha LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1118 Riverside Black Moutain Road (4501), southeast of Black Mountain & northwest of Fuller Mill Creek. 2012 Comment
  POM361063  Hymenoclea salsola Ora M. Clark 1929-2-24 1537 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  RSA770447  Hymenoclea salsola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4559 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  LA61528  Hyptis emoryi E. Braunton; January 1929 1023 Riverside Painted Canyon, Mecca 45 Comment
  PASA1156  Hyptis emoryi R. E. Merrill Riverside Lower Murray Canyon Comment
  RSA115037  Hyptis emoryi E. K. Balls, Percy C. Everett, S. Tillett 1955-7-19 20977 Riverside Material Collected on Hwy 74, 15.5 mi NE from PinyonFlat F.S. Campground on road to Palm Springs. 701 Comment
  RSA19548  Hyptis emoryi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA651688  Hyptis emoryi Viki Cruz 1983-5-8 011 *k Riverside Collected at the end of a one mile dirt road off Indian Trail Road at the base of Magnesia Canyon, Santa Rosa Mts. Comment
  UCR131018  Hyptis emoryi Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  UCR3004  Hyptis emoryi Wm. Horn Jr. 1963-3-23 630323- 4 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 8 mi SE of Mecca, 75 yards south of the road. 61 Comment
  RSA0056404  Hyptis emoryi James R. Shevock 1970-12-12 557 Riverside Box Canyon, Hwy. 195. 219 Comment
  CDA5545  Ipomoea triloba T. C. Fuller 1962-10-2 9703 Riverside West side of Neighbors Boulevard, 0.8 mile south of Ripley. 0 Comment
  CAS-BOT-BC311533  Isocoma acradenia var. acradenia A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15818 Riverside San Bernardino Mountains: Whitewater Cyn., 2 mi. below trout farm, above Bonnie Bell 550 Comment
  JEPS30089  Isocoma acradenia var. eremophila Lewis S. Rose 1961-11-23 61062 Riverside La Quinta 15 Comment
  UCR19519  Isocoma acradenia var. eremophila John C. Roos 1965-10-12 s.n. Riverside Sonoran (Colorado) Desert, near Indio -6 Comment
  POM319719  Isocoma menziesii Patricia Wilder 1971-2-4 4915 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  UC699669  Isocoma menziesii var. menziesii Kay H. Beach 1942-10-22 1669 Riverside 5 mi nw Corona (near bridge on River Road, at edge of Santa Ana River floodplain); Santa Ana River 198 Comment
  CDA32703  Isocoma menziesii var. vernonioides Mike Lahti 2009-10-1 PDR# 1501831 Riverside Southwest of Perris, along the San Jacinto River banks. 0 Comment
  RSA0005613  Ivesia callida Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
  JOTR16835  Ivesia saxosa Moore, Sue 1968-5-13 s.n. Riverside Joshua Tree National Park. HIDDEN VALLEY 1280 Comment
  UCD110248  Juglans A. C. Sanders; T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St., and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  CAS-BOT-BC140653  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37143 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside 345 Comment
  RSA788876  Juncus bufonius var. bufonius G. D. Wallace 2003-7-8 4048 Riverside Hidden Lake. Comment
  RSA612958  Juncus bufonius var. occidentalis Darin L. Banks 1997-3-29 1627 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
  RSA740792  Juncus effusus Scott D. White, Justin M. Wood 2008-7-9 12420 Riverside Johnson Meadow 1415 Comment
  UCR197054  Juncus effusus subsp. austrocalifornicus A. C. Sanders, D. L. Sanders 2008-9-27 36100 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  UC842783  Juncus macrandrus Crawford and Johnston 1917-6-9 1232 Riverside near Corona; Santa Ana River Comment
  SBBG47529  Juncus macrophyllus M. B. Dunkle 1933-7-19 3667 Riverside Strawberry Valley 1706 Comment
  UCR264608  Juncus mexicanus Mitch Provance 2012-6-19 196- 02 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  SD51956  Juncus oxymeris Reid Moran 1962-7-7 9857 Riverside Occasional in shade, in granitric soil by Strawberry Creek, 2 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  UCR20875  Juncus oxymeris A. C. Sanders 1978-7-3 782 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA336053  Juniperus californica Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52078 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  SEINET7248048  Juniperus californica Louis C. Wheeler 1960-1 7672 Riverside Alberhill Comment
  CAS-BOT-BC234599  Justicia californica B. D. Stark 1932-6-17 3753 Riverside Colorado Desert. Eagle Mts., East end of Box Canyon 182 Comment
  RSA398814  Justicia californica Robert L. Dressler 1949-3-19 413 Riverside Box Canyon, Orocopia Mts. Comment
  RSA80967  Justicia californica G. R. Campbell 1952-4-6 18416 Riverside 3 mi. S. of jct. with road to Cottonwood Springs, Joshua Tree National Monument Road from 29 Palms to Hwy 60-70. 915 Comment
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Nov 19 2011
  SD126045  Justicia californica B. Pitzer 1988-3-10 64 Riverside West side of Chuckwalla Mtns. on gas line road ca. 1.5 miles North of intersection with Red Cloud Mine Rd. (& wash); 2 miles south ofHwy I-10 490 Comment
  SEINET2163668 Image available Justicia californica I. W. Clokey 1935-4-17 6888 Riverside Cottonwood Springs Comment
  RSA180262  Keckiella antirrhinoides E. W. Lathrop 1965-5-18 5751 Riverside 8 miles W of Murrieta; hills around 300 ft high. 610 Comment
  UCR98695  Keckiella antirrhinoides var. antirrhinoides 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
  RSA293305  Keckiella cordifolia D. C. Michener 1980-7-18 3710 Riverside Old Banning rd. 2.7 mi. north west of jct with Poppet Flat rd. 1100 Comment
  RSA597081  Keckiella cordifolia D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1119 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  CAS-BOT-BC246202  Keckiella rothrockii Edmund C. Jaeger 1923-7-12 s.n. Riverside Tahquitz Valley, San Jacinto Mts. Comment
  RSA160543  Keckiella rothrockii subsp. jacintensis J. D. Olmsted 1959-7-1 704 Riverside 1/4 mi. N of trunoff to Strawberry Cienega along trail from saddle to San Jacinto Park.; 4 mi ENE of Idyllwild; San Jacinto Mtn. Range. 2744 Comment
  UCR225154  Keckiella rothrockii subsp. jacintensis Steve Boyd, Gary Wallace 2005-7-30 11656 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  UCR112073  Koeleria gerardi Mitch Provance 1998-3-20 174 B Riverside Riverside area, Jurupa Mtns., pass west of Rattlesnake Mtn., along the east side of Armstrong Rd., c. 1/8 mi. south of the San Bernardino Co. line 313 Comment
  CAS-BOT-BC273670  Koeleria pyramidata H. M. Hall 1901-6-1 2131 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1584 Comment
  CAS-BOT-BC273671  Koeleria pyramidata H. M. Hall 1901-6-1 s.n. Riverside San Jacinto Mountains. Kenworthy Comment
  SD90403  Krameria bicolor Robert F. Thorne, C. W. Tilforth 1973-5-30 43578 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley. On rocky slopes of desert wash in creosote bush scrub. 548 Comment
  CAS-BOT-BC168506  Krameria erecta Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9002 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
  JOTR36084  Krameria erecta La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3311 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  RSA457794  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCSB44667  Krameria erecta Hibbard, Doug 1977-5-16 Riverside Off north west side of Hwy 74, 11.8 miles from its intersection with Hwy 111 1036 Comment
  UCR167858  Lactuca serriola T. B. Salvato, Melissa Clemons 2005-6-23 1327 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR126440  Lamarckia aurea T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 68 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  UCR96718  Lamarckia aurea A. C. Sanders 1997-3-1 19716 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SEINET2444114  Langloisia setosissima C. Davidson 2010-4-2 11688 Riverside 3 mi S of Hwy 111 in Palm Desert on Hwy 74 (Pines Palms Hwy). 365 Comment
  RSA77071  Langloisia setosissima subsp. setosissima F. W. Peirson 1921-4-11 4475 Riverside Deep Canyon Wash, south side of Coachella Valley 244 Comment
  CAS-BOT-BC166025  Larrea tridentata Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC171124  Larrea tridentata Javier Penalosa 1963-4-10 2790 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  HSC66730  Larrea tridentata D. Goforth, D. Reed 1980-3-25 358 Riverside Hwy. 195, 6 mi. E of Mecca, Box Canyon, Mecca Hills. 122 Comment
  SD229306  Larrea tridentata Dick Schwenkmeyer 2013-6-11 913 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UCR272434  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 020 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, plain to the east of Mission Creek, 0.4 mile northwest of the Stone House 2309 Comment
  RSA593997  Lastarriaea coriacea D. L. Banks, Elizabeth Hedge Banks 1996-5-2 940 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  CAS-BOT-BC338916  Lasthenia californica A. C. Sanders; S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  JEPS30384  Lasthenia coronaria William M. Klein and J. E. Klein 1958-2-9 Riverside 4.5 mi nw Alberhill (Calif. State Hwy. 71) Comment
  RSA645634  Lasthenia coronaria Scott D. White 1999-5-2 7283 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
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Apr 23 2011
  UC1563067  Lasthenia coronaria Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3106 Riverside 1.25 mi wsw of dam Vail Lake area 609 Comment
  UCR220076  Lasthenia coronaria D. E. Bramlet 1991-5-1 2102 Riverside Wilson Valley 671 Comment
  RSA0008494  Lasthenia glabrata subsp. coulteri F. W. Peirson 1922-4-29 2956 Riverside South of Lake Elsinore. 381 Comment
  RSA181983  Lasthenia glabrata subsp. coulteri W. L. Jepson 1939-4-17 19158 Riverside Temecula 305 Comment
  RSA596932  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Lake Elsinore area, S of I 15 along E side of Nichols Rd. Comment
  UCR202223  Lasthenia glabrata subsp. coulteri 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
  UCR92635  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Perris-Aguanga Basin, Lake Elsinore area, south of Hwy I-15 along east side of Nichols Road 384 Comment
  POM6022  Lasthenia gracilis F. M. Reed 1905-2-26 670 Riverside Riverside. Comment
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Apr 30 2011
  RSA5024  Lasthenia gracilis C. B. Wolf 1932-3-20 24 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  RSA543858  Lasthenia gracilis Steve Boyd, David E. Bramlet 1991-5-13 6236 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA593916  Lasthenia gracilis Steve Boyd, David E. Bramlet 1996-4-19 8596 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR199640  Lasthenia gracilis Scott D. White, Justin M. Wood 2008-4-3 11796 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR91353  Lasthenia gracilis Scott D. White, M. Jacobsmeyer 1996-4-20 3980 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR94932  Lathyrus latifolius Scott D. White 1996-8-16 4487 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
  POM12943  Lathyrus vestitus subsp. laetiflorus P. A. Munz, I. M. Johnston 1922-5-19 5397 Riverside San Jacinto Canyon 1371 Comment
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Oct 1 2011
  POM361635  Layia glandulosa Ora M. Clark 1929-3-16 1696 Riverside South of Cabazon. Comment
  RSA171370  Layia glandulosa J. D. Olmsted 1962-5-3 3540 Riverside Along road from Santa Rosa Indian Reservation to Old village, West of Santa Rosa Peak 1494 Comment
  CAS-BOT-BC379666  Layia platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  OBI35674  Layia platyglossa Louis B. Ziegler 1967-2-20 109 Riverside San Jacinto Valley-valley floor near hills N of Lakeview 457 Comment
  UC828952  Layia platyglossa B. C. Templeton and I. W. Clokey 1930-4-9 4664 Riverside Banning Comment
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Dec 11 2016
  UCR250908  Layia platyglossa A. C. Sanders 2014-4-18 41024 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  UCR27160  Layia platyglossa T. P. Krantz 1982-5-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, Quinn Flat 1402 Comment
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Jan 7 2013
  SD73610  Layia platyglossa subsp. campestris Helen V. Witham 1970-5-1 863 Riverside Bajutista Canyon, southeast of Hemet 1000 Comment
  UCR19012  Leersia oryzoides John C. Roos, L. Roos 1951-10-24 5345 Riverside Riverside, shallow stream at outlet of Fairmount Park Lake 238 Comment
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Feb 23 2014
  CLARK-A1528-5690  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains Comment
  CLARK-A1528-5691  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  POM93707  Lepidium dictyotum Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  CAS-BOT-BC89441  Lepidium fremontii N. Aitkenhead 1977-2-2 2144 Riverside On T/L access just west of Joshua Tree Monument Road. Comment
  RSA0040097  Lepidium fremontii Duncan S. Bell, Deidre Conocchioli 2014-3-18 6255 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA779585  Lepidium fremontii Duncan S. Bell 2009-3-7 17 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
  SD247378  Lepidium fremontii Andy Sanders, Jim Malusa 2015-3-11 41394 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range. 722 Comment
  JOTR16713  Lepidium fremontii var. fremontii Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON, ABOVE CHOLLA GARDEN Comment
  CAS-BOT-BC126745  Lepidium nitidum A. C. Sanders; T. B. Salvato 2011-3-29 38885 Riverside Peninsular Range; Perris-Aguanga Basin Region: between Sun City and Perris, along powerline corridor between Byers St. and west end of McLaughlin Rd. and Wheat St. 447 Comment
  RSA612508  Lepidium nitidum var. nitidum D. L. Banks, Joe Moreno 1997-2-5 1266 Riverside NW Palomar Mtns, Agua Tibia Mountains: Pechanga Indian Reservation. Recently burned area at the northerd boundary of the Reservation, just north of Anza Road. 409 Comment
  OBI45208  Lepidium virginicum B. Pitzer & Jack Easton, Jack Easton 1987-3-10 402 Riverside Anza area, hills S of Thomas Mtn, ca 3 mi (airline) E oftown of Anza on N side of hwy 371. Butterfly Peak 7.5'quad: T7S, R4E, NE1/4 sec 13 1341 Comment
  UC10634  Lepidium virginicum var. pubescens Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains 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
  UC472877  Lepidospartum squamatum M. F. Spencer 1918-4-1 Riverside Palm Canyon; Colorado Desert 600 Comment
  SEINET7048156  Lepidospartum squamatum Steven R. Hill 2001-5-3 33657 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA652882  Leptochloa fusca subsp. uninervia John Wallace 1991-5-8 18 Riverside Colorado River; Approximately 3 miles south of Lost Lake Resort. Comment
  UCR119807  Leptochloa uninervia A. C. Sanders, Mitch Provance 1999-9-26 23094 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR92237  Leptochloa uninervia Scott D. White, S. Ogg 1994-10-17 2477 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  UCR215073  Leptodactylon californicum Justin M. Wood 2009-3-10 351 Riverside San Jacinto Mountains, Hwy 243, near base of the mountains, 0.5 mi up the hwy from Smith Creek Bridge 774 Comment
  UCR115153  Lessingia filaginifolia Mitch Provance 2000-8-24 2220 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 274 Comment
  CAS-BOT-BC339360  Lessingia glandulifera var. glandulifera Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley Comment
  POM122893  Lessingia glandulifera var. glandulifera Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
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Sep 16 2011
  UCR95950  Lessingia glandulifera var. glandulifera Scott D. White 1996-8-1 4406 A Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA516755  Leymus condensatus Ed LaRue 1989-4-25 s.n. Riverside 2 miles (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 (T 6S) small portion of eastern sec. 35) 488 Comment
  RSA570690  Leymus triticoides Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8196 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  RSA198977  Lilaea scilloides Robert F. Thorne, E. W. Lathrop, Philip A. Munz 1968-5-8 37569 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  UC1531115  Limnanthes gracilis subsp. parishii Kay L. Tomlinson, Deborah L. Kama, and Robert F. Thorne 1985-3-27 892 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  UCR115943  Limonium sinuatum Mitch Provance 1998-6-11 674 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  HSC92523  Linanthus dianthiflorus D. Atwood, L. Stritch 1993-4-2 17902 Riverside Santa Rosa Plateau TNC Preserve and adjacent to BLM administrated lands 671 Comment
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Dec 3 2012
  RSA654613  Linanthus dianthiflorus Starr Streight 1982-4-17 72 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UCR256805  Linanthus dianthiflorus T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7863 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  UC23558  Linanthus floribundus subsp. glaber A. J. McClatchie Apr 1892 37 Riverside near Elsinore Comment
  UCR88109  Linanthus jonesii A. C. Sanders, G. Nuhn 1995-4-20 16583 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UCR153625  Linanthus maculatus J. M. Porter, L. E. Machen 1995-4-14 10693 Riverside Sonoran (Colorado) Desert, Floodplains of Morongo Wash, east of Hwy 62 and south of the intersection of Indian Ave. and Hwy 62, between US 62 and an old road parallel and E to it. 500 Comment
  RSA489837  Linanthus pungens subsp. hallii D. Charlton 1988-5-28 2135 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  RSA85440  Linaria canadensis var. texana J. C. Roos 1952-4-9 5504 Riverside north side of Mt. Rubidoux 381 Comment
  UCR241834  Linaria canadensis var. texana A. C. Sanders, Timothy W. Chumley 2013-4-2 40728 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  UCR51066  Linaria canadensis var. texana S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR281265  Linum usitatissimum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 43 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  UCR160974  Lithophragma Ian G. Gillespie, Summer Karsh 2000-5-13 44 Riverside San Jacinto Mtns., Twin Pines Ranch Road off of Hwy 243, below McMullen Flat 1250 Comment
  RSA180296  Lithophragma affine subsp. mixtum E. W. Lathrop 1965-4-4 5619 Riverside 8 miles west of Murrieta. Comment
  UCR162547  Lobularia maritima S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  RSA357789  Loeflingia squarrosa R. F. Thorne, M. Z. Thorne 1973-3-30 42688 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  UCR18962  Loeflingia squarrosa John C. Roos 1952-5-14 5664 Riverside Perris-Aguanga Basin, 2 mi NW of Perris Comment
  UCR49246  Loeflingia squarrosa Steve Boyd 1986-4-19 1699 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA775723  Loeseliastrum matthewsii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 958 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  CDA40087  Loeseliastrum schottii T. C. Fuller 1964-4-14 11824 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  CAS-BOT-BC342107  Logfia arizonica Steve Boyd 1986-5-1 1789 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  SEINET186304 Image available Logfia depressa Philip A. Munz 1940-1 15688 Riverside N end of Pinto Basin, Mohave Desert 610 Comment
  SD144487  Logfia filaginoides A. C. Sanders 1997-3-1 19700 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity, 1386 ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  SDSU13923  Logfia gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2135 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR51777  Lomatium dasycarpum I. W. Clokey 1935-4-18 7680 Riverside Gavilan Peak. 700 Comment
  RSA751634  Lomatium dasycarpum subsp. dasycarpum G. Gust, L. Nye 2005-3-11 548 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  RSA0105317  Lomatium lucidum D. L. Banks 1997-2-23 1315 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  SD144086  Lomatium lucidum A. C. Sanders, T. Thomas, O. Clarke 1997-5-4 20638 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  UC21220  Lomatium lucidum Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UC63680  Lomatium mohavense H. M. Hall May 1899 1184 Riverside San Jacinto Mts., Van de Venter's 1371 Comment
  SBBG59767  Lomatium utriculatum E. Rockwell 1927-5-8 Riverside Jackrabbit Trail, Riverside to Hemet 914 Comment
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Mar 21 2011
  RSA359520  Lomatium vaginatum Steve Boyd 1986-3-9 1381 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  CAS-BOT-BC234808  Lonicera subspicata Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat, Santa Rosa Mts. 1524 Comment
  POM296448  Lonicera subspicata Lyman Benson 1945-11-10 11912 Riverside 5 miles east of Temecula. 457 Comment
  UC2029940  Lonicera subspicata Scott D. White, T. B. Salvato 2001-6-8 8589 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. Comment
  UCR94946  Lonicera subspicata Scott D. White 1996-8-16 4480 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
  HSC79578  Lonicera subspicata var. denudata James Henrickson 1972-5-21 7194 Riverside 13 air mi. W of Temecula in Mateo Canyon along Teneja Rd., ca. 4 mi. N of Teneja Campground. 457 Comment
  POM17806  Lonicera subspicata var. denudata P. A. Munz 1923-6-14 7052 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  UC455867  Lonicera subspicata var. denudata I. J. Condit 1910-6-24 Riverside San Jacinto Mt. 609 Comment
  RSA644113  Lotus argophyllus var. argophyllus Scott D. White 1995-3-30 2655 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  UC219236  Lotus argophyllus var. argophyllus P. A. Munz 1922-4-30 5128 Riverside s of Hemet (s of St. John's Grade) Comment
  UCR174358  Lotus humistratus A. C. Sanders 2006-5-19 32382 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR20643  Lotus humistratus O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  CDA12285  Lotus nevadensis G. F. Hrusa 1993-6-24 11238 Riverside Mt. San Jacinto State Park; Marion Mt. campground, Mt. San Jacinto State Park. Comment
  RSA406729  Lotus nevadensis var. nevadensis N. C. Cooper 1949-6-29 4323 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR96251  Lotus nevadensis var. nevadensis Scott D. White 1996-8-1 4418 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR169313  Lotus oblongifolius T. B. Salvato, John F. Green 2004-5-27 604 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA90412  Lotus oblongifolius F. W. Peirson 1924-7-28 5018 Riverside Pine Flats Camp 1799 Comment
  UC454104  Lotus oblongifolius var. oblongifolius I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
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Apr 7 2008
  JEPS55814  Lotus rigidus W. L. Jepson 12573 Riverside Cottonwood Springs Cottonwood Mts. 731 Comment
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Oct 9 2010
  RSA90306  Lotus rigidus F. W. Peirson 1919-4-14 712 Riverside Murray Canyon, near Palm Springs. Comment
  SEINET2042331 Image available Lotus rigidus George K. Helmkamp, E. A. Helmkamp 1998-4-23 3376 Riverside Santa Rosa Mountains; Pinyon Pines along CA-74 between the San Jacinto and Santa Rosa Mountains. 1296 Comment
  CSUSB1264  Lotus scoparius Holzmiller 1966-4-9 Riverside Mary Knoll Hills, 50 feet below water tank. 274 Comment
  RSA406899  Lotus scoparius var. brevialatus M. B. Dunkle 1932-3-25 2879 Riverside Cabezon. Comment
  UCR102830  Lotus scoparius var. brevialatus A. C. Sanders 1997-4-3 20144 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA498714  Lotus strigosus Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  RSA523481  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3941 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA614128  Lotus strigosus D. L. Banks 1997-2-23 1295 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA614704  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1325 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  UC1286987  Lotus strigosus C. L. Hitchcock 1966-3-20 24316 Riverside 5 mi n Milpitas Wash (and 12 nw of Blythe-Glamis road) Comment
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Mar 2 2013
  UC864905  Lotus strigosus Lewis S. Rose 1937-4-9 37088 Riverside Banning 706 Comment
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Mar 13 2011
  UCR250558  Lotus strigosus var. strigosus A. C. Sanders 2014-4-9 41001 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  CSUSB1241  Lotus tomentellus Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  RSA406380  Lotus tomentellus Robert Gustafson 1978-3-22 836 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  UCR189545  Ludwigia peploides subsp. peploides Fred M. Roberts, S. Leatherman 2007-9-19 6582 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA758323  Lupinus arizonicus Doug Goldman 2005-3-3 3028 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UCR233175A  Lupinus arizonicus Jim Andre, Glenn L. Clifton 2011-2-22 17433 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCR178004  Lupinus bicolor S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR241943  Lupinus bicolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40742 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR84615  Lupinus bicolor Scott D. White, S. Ogg 1994-4-21 2000 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CLARK-A1528-2820  Lupinus bicolor subsp. microphyllus John C. Roos 1938-4-4 732 Riverside La Sierra Comment
  SEINET2445410  Lupinus bicolor subsp. microphyllus Daphne K. Christopher, Hannah Stevens 2003-4-8 120 Riverside Santa Rosa Plateau Nature Conservancy Preserve. On road from Santa Rosa Ranch. 556 Comment
  JOTR16692  Lupinus concinnus Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  RSA779630  Lupinus concinnus Duncan S. Bell 2010-4-1 663 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
  UCR202000  Lupinus concinnus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  POM19603  Lupinus concinnus subsp. optatus Mary F. Spencer 1923-4-20 2193 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA519404  Lupinus elatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UC130303  Lupinus excubitus H. M. Hall 1899-6-2 1372 Riverside Alamos 457 Comment
  SEINET10451310  Lupinus excubitus subsp. hallii Payne 1947-4-25 PAYNE 5430 Riverside Originally from a white flowered field plant at 1 mi. S of aquanga on payne Ranch. 488 Comment
  LA205059  Lupinus excubitus var. austromontanus Norman C. Cooper; 1944-6-17 2006 Riverside San Jacinto Mountains, above Banning 1219 Comment
  UC597721  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak 2407 Comment
  RSA613448  Lupinus excubitus var. hallii D. L. Banks, Victor W. Steinmann 1997-3-13 1444 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  POM312120  Lupinus formosus N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  UCD107745  Lupinus formosus Richard Bates 1949-5-21 s.n. Riverside road to Pinon Flats from Idyllwild, San Jacinto Mtns. Comment
  POM229048  Lupinus hyacinthinus Philip A. Munz 1937-5-30 15141 Riverside Santa Rosa Peak. 2409 Comment
  RSA414786  Lupinus hyacinthinus E. C. Jaeger 1922-7-3 s.n. Riverside Tahquitz Valley San Jacinto Mts 2104 Comment
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Mar 21 2011
  RSA89958  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-7-1 18350 Riverside 6.6 miles SE of San Bernardino National Forest Boundary on road from Idyllwild to Banning, San Jacinto Mts. 1829 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
  RSA413489  Lupinus shockleyi Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7810 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  JEPS48837  Lupinus sparsiflorus Marjorie D. Clary 1932-3-20 950 Riverside T. and K. Ranch Mission Creek (Mission Creek) Comment
  SEINET4035668  Lupinus sparsiflorus O. M. Clark 1929-1 112 Riverside South Cabezon. Comment
  SEINET7063232 Image available Lupinus sparsiflorus A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  UCR108488  Lupinus sparsiflorus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16149 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
  RSA522727  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3832 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
  RSA414269  Lupinus sparsiflorus var. mohavensis N. C. Cooper 1944-3-25 2013 Riverside Morongo Pass. 457 Comment
  SD186215  Lupinus truncatus A. C. Sanders, Mike Misenhelter 2005-6-15 30951 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage. 640 Comment
  SDSU14024  Lupinus truncatus Jonathan S. Austin, Michael G. Simpson 2002-4-20 18 Riverside Near parking area off Tornado road, about 15 feet from the river. North side of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  CAS-BOT-BC231417  Lycium andersonii D. E. Breedlove 1962-3-11 1891 Riverside On State 74, 3.7 miles south-west of Palm Desert 335 Comment
  POM294823  Lycium andersonii Lyman D. Benson 1945-3-29 11629 Riverside Canyon on Palm Spring Rd. Colorado Desert Drainage Area. 671 Comment
  RSA645642  Lycium andersonii Scott D. White 1999-4-20 7280 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  UCR75066  Lycium andersonii A. C. Sanders, E. J. Lawlor 1992-4-4 12115 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SD185317  Lycium brevipes John F. Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, ca. 3 miles east of Desert Beach 24 Comment
  SEINET12808830  Lycium brevipes H. Schmidt, Chris Dietrich, M. Merello 1994-1 29 Riverside 7.5 mi S of North Shore on State Hwy 111. Along Hwy on E shore of Salton Sea. 60 Comment
  SD229295  Lycium californicum Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 900 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
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Apr 22 2019
  UCR89683  Lycium cooperi Bern Schwenn 1994-5-18 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well 1021 Comment
  JOTR35221  Lycium fremontii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3645 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  RSA0118002  Lycium fremontii Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7626 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UC56518  Lythrum californicum E. E. Schellenger July, 1901 Riverside Thompsons Springs Comment
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Mar 22 2014
  UCR35316  Lythrum californicum Robert McAllister 1969-8-20 393 Riverside San Jacinto Mtns Foothills, Avery (Mission) Canyon, opens to east from Diamond Valley 488 Comment
  RSA776297  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell, Amanda Turek 2010-4-10 827 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UC489132  Madia elegans C. V. Meyer 1928-7-26 529 Riverside w side San Jacinto Mt. 2286 Comment
  RSA561886  Madia exigua Steve Boyd, Timothy S. Ross 1992-6-10 7642 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA585872  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0357 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  SDSU13822  Madia gracilis W. Miller 1972-8-19 Riverside Comment
  RSA479915  Mahonia dictyota Steve Boyd 1987-11-23 2095 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  RSA496378  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3055 Riverside Vail Lake area, 0.75 miles N of dam, at edge of dissected bench, S flank Oak Mountain 518 Comment
  UC284860  Malacothamnus densiflorus P. A. Munz 1923-6-14 7099 Riverside trail to Santiago Peak Glen Ivy; Santa Ana Mtns 914 Comment
  UCR250109  Malacothamnus densiflorus A. C. Sanders 2014-4-9 41006 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  UCR133704  Malacothamnus fasciculatus var. fasciculatus N. C. Cooper 1944-5-21 1279 Riverside Hemet 549 Comment
  CAS-BOT-BC345424  Malacothrix clevelandii John Thomas Howell 1931-5-30 6590 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UC455906  Malacothrix clevelandii I. J. Condit 1910-6-24 Riverside road to Strawberry Valley; San Jacinto Mts. 914 Comment
  POM14298  Malacothrix glabrata P. A. Munz, D. D. Keck 1922-4-9 4817 Riverside Southern base of Eagle Mountains, 3 miles northeast of the 'Hayfields' 213 Comment
  POM362313  Malacothrix glabrata N. C. Cooper 1949-4-8 3296 Riverside Desert Center. 609 Comment
  RSA145914  Malacothrix glabrata William McKinley Klein 1958-2-11 32 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 545 Comment
  RSA25142  Malacothrix glabrata C. L. Hitchcock 1940-4-3 5929 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  SEINET10389903  Malacothrix glabrata A. C. Sanders, Jim Malusa 2016-3-17 42355 Riverside north edge of Chocolate Mountains Aerial Gunnery Range, upper Arroyo Seco on south shoulder of Bradshaw Trail 686 Comment
  UC565513  Malacothrix glabrata Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  SD129607  Malacothrix saxatilis var. tenuifolia Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek. 700 Comment
  UC64247  Malosma laurina H. M. Hall 1897-1 Riverside Winchester Comment
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Mar 20 2011
  RSA715943  Malva parviflora Scott D. White, Angelia Carey 2004-4-5 10031 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR37437  Malva parviflora Steve Boyd 1981-4-8 s.n. Riverside Gavilan Plateau, Lake Mathews Road, south of Gavilan Peak 640 Comment
  RSA629026  Malva pseudolavatera Scott D. White 1998-6-28 6800 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  RSA229828  Marah macrocarpa Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 588 Riverside Cleveland Nat. Forest. 6.5 mi. S of Lake Elsinore along Forest Route 7SO4 Comment
  SD187395  Marah macrocarpa Scott D. White, Angelia Carey 2004-4-16 10153 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes (Lake Fulmor Quad: coordinates given) 548 Comment
  UCD107550  Marah macrocarpa R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  UCR154828  Marah macrocarpa A. C. Sanders, Mike Misenhelter 2005-3-23 29274 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR225715  Marah macrocarpa A. C. Sanders 2011-3-30 38912 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  GMDRC9819  Marina parryi J. M. Andre 2017-3-1 38068 Riverside Coxcomb Mountains: north of Hwy 177 at JTNP boundary, 10.1 mi. NE of Desert Center (I-10) 159 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
  RSA404235  Marina parryi M. B. Dunkle 1935-4-17 4550 Riverside East of Wiley Well, Colorado Desert. Comment
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Dec 14 2011
  UCR72199  Marina parryi Theo Glenn 1991-5-20 91- 99 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  SD136816  Marrubium vulgare Steve Boyd, Tim Ross 1992-5-6 7265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Verdugo Potrero, near the Verdugo Trailhead. 730 Comment
  RSA716815  Matricaria globifera A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course. 439 Comment
  RSA0013158  Medicago lupulina LeRoy Gross, Caitlin Elam 2013-5-14 6058 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA588666  Medicago lupulina D. L. Banks, S. D. Boyd 1995-10-17 0819 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. 524 Comment
  UCR149992  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CDA39524  Melasphaerula ramosa O. F. Clarke 2006-4-4 s.n. Riverside University of California, Riverside. Botanic Garden. Comment
  POM113305  Melica frutescens Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto. Comment
  POM146215  Melica frutescens F. M. Reed 1926-5-16 5338 Riverside South of Menifee Comment
  JEPS76213  Melica imperfecta W. L. Jepson 1939-4-19 19210 Riverside 3 mi s Aguanga 731 Comment
  POM8820  Melica imperfecta I. M. Johnston 1920-5-8 2275 Riverside Butte due west of Lakeview Comment
  RSA740951  Melica imperfecta Scott D. White, Justin M. Wood 2008-6-19 12274 Riverside Meadows at Baldy Mtn. 1585 Comment
  SEINET2473421 Image available Melica imperfecta Andrew C. Sanders, T. B. Salvato 2011-1 38839 Riverside Peninsular Range; Edge of Gavilan Hills; Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  POM348169  Melilotus albus E. Crow 1929-2-22 168 Riverside Border of Santa Ana Mts. S of Corona Comment
  CLARK-A1656-739  Melilotus indicus unknown 1981-3-14 Riverside Coachella Valley Comment
  UCR107747  Melilotus indicus D. L. Banks 1997-5-5 1992 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR273502  Melinis repens subsp. repens A. C. Sanders, Glen Morrison 2016-8-4 42614 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Corona Cala Camino near intersection with El Cerezo Rd., south side of Redonda Mesa 732 Comment
  SEINET189691 Image available Menodora scabra var. glabrescens Annie M. Alexander, Louise Kellogg 1941-1 2208 Riverside North base of Eagle Mountains 1158 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
  RSA621507  Mentha suaveolens D. L. Banks 1997-11-15 2194 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCR109001  Mentzelia affinis D. L. Banks, V. W. Steinmann 1997-4-13 1472 Riverside NW Palomar Mtns., Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79. Hills east of the Dripping Springs alcove and west of Vail Lake Marina Road. 549 Comment
  UCR8577  Mentzelia dispersa Heidi A. Haid 1969-5-14 s.n. Riverside San Jacinto Mtns., 7 miles up Bautista Canyon from Fairview Avenue, Valle Vista 915 Comment
  RSA440409  Mentzelia involucrata Christopher Davidson 1979-4-4 7709 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  SBBG97174  Mentzelia involucrata W. L. Halvorson 1977-3-8 77 -94 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCSB37940  Mentzelia involucrata Carlson, B. 1978-3-24 Riverside East of Desert Hot Springs, Berdoo Cyn Rd., 7.7 mi. N. of Dillon Rd., 10m from road edge Comment
  POM126264  Mentzelia involucrata var. megalantha Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver s Well, Colorado Desert. Comment
  POM13053  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4836 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UCR16334  Mentzelia micrantha I. G. Rauch 1968-5-14 s.n. Riverside Santa Ana Mtns, Tin Mine Canyon Comment
  UCR193409  Mentzelia montana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35578 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  RSA674685  Mentzelia obscura Scott D. White 2001-4-27 8423 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  SBBG132549  Mentzelia veatchiana S. D. White, J. M. Wood 2008-6-16 12133 Riverside meadow at Quinn Flat 1378 Comment
  CLARK-A1045-189  Micropus californicus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  SBBG101787  Micropus californicus S. Boyd with Mistretta 1991-5-9 6179 Riverside lower flank along Bedford Truck Trail on ridge between Bedford and McBride Cyns Comment
  RSA585784  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0397 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  RSA0080432  Microseris douglasii D. E. Bramlet 2005-3-2 3665 Riverside west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA556449  Microseris douglasii subsp. douglasii Julie Greene 1993-4-30 1289 Riverside San Jacinto Wildlife Area. S of visitor center road and North of the old San Jacinto River drainage 433 Comment
  UCR88169  Microseris douglasii subsp. douglasii Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  UCR174441  Microseris heterocarpa A. C. Sanders 2006-5-19 32390 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA0065433  Microseris heterocarpa Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 609 Comment
  UCR174102  Microseris lindleyi A. C. Sanders 2006-5-19 32447 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA38709  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11500 Riverside Indian Canyon, along Indian Canyon Truck Trail. 640 Comment
  RSA500119  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3692 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UC26700  Mimulus aurantiacus var. pubescens H. M. Hall June, 1901 2077 Riverside vicinity Chalk Hill; San Jacinto Mountains 1402 Comment
  UC943832  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1894 A Riverside Indian Canyon Truck Trail Santa Ana Mountains 853 Comment
  UC987817  Mimulus aurantiacus var. pubescens Reid Moran 1941-5-5 845 Riverside e Quail Spring; Joshua Tree National Monument 1300 Comment
  UCR268294  Mimulus aurantiacus var. pubescens Jim Andre 2012-6-15 30526 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  UCR48340  Mimulus aurantiacus var. pubescens Steve Boyd 1986-4-22 1749 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  CLARK-A1045-338  Mimulus brevipes George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  RSA586120  Mimulus brevipes D. L. Banks, S. D. Boyd 1995-4-5 160 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 549 Comment
  UC1409045  Mimulus brevipes Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38099 Riverside above James Reserve (in Hall Canyon); San Jacinto Mts., San Bernardino National Forest 1676 Comment
  UC454132  Mimulus brevipes I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. 914 Comment
  UCR174032  Mimulus brevipes A. C. Sanders 2006-5-19 32427 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR20540  Mimulus brevipes W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  UCR35246  Mimulus brevipes L. B. Ziegler 1967-5-18 127 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  JEPS8378  Mimulus breweri C. V. Meyer 1928-7-31 599 Riverside Tahquitz Valley San Jacinto Mt. 2286 Comment
  UC284800  Mimulus clevelandii P. A. Munz 1923-6-14 7062 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1219 Comment
  POM10946  Mimulus diffusus P. A. Munz 1922-4-30 5135 Riverside Hills south of Tuscaluta Creek from Aguanga to Hemet Comment
  CLARK-A1528-864  Mimulus fremontii Ellen Predmore 1971-5-3 Riverside San Jacinto Valley 457 Comment
  JEPS26106  Mimulus fremontii var. fremontii Peter H. Raven 1958-5-17 12946 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  RSA80440  Mimulus fremontii var. fremontii F. W. Peirson 1920-6-22 4723 Riverside Temescal canyon, western Riverside Co. 305 Comment
  UC26929  Mimulus fremontii var. fremontii H. M. Hall June 1901 2049 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR231772  Mimulus guttatus John F. Green 2008-4-23 08- 21 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UC26914 Image available Mimulus pilosus J. W. Toumey 1899-9-27 Riverside Banning Comment
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Mar 13 2011
  UCR35253  Mimulus pilosus L. B. Ziegler 1967-7-17 186 Riverside San Jacinto Mtns., Hemet Valley, near Herkey Creek Canyon. 1585 Comment
  RSA170155  Mirabilis albida L. B. Ziegler 1964-07 s.n. Riverside Garner Valley, San Jacinto Mts. NW of Kenworthy Ranger station. 1402 Comment
  UCR41540  Mirabilis bigelovii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6056 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR226606  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-18 15818 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  SD137714  Mirabilis laevis var. crassifolia Darin L. Banks, Steve Boyd 1995-5-3 274 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SDSU14058  Mirabilis laevis var. crassifolia Michael Powers 2002-4-2 6 Riverside On north side of Via Tornado Road to north of Santa Margarita riverbed in Santa Margarita Ecological Reserve. 100 feet west of parking lot in riverbed. 233 Comment
  SEINET244862  Mirabilis laevis var. crassifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24920 Riverside The Badlands; Hills and canyones west of Laborde Canyon, 1 miles northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  POM91014  Mirabilis laevis var. crassifolia E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  CAS-BOT-BC434838  Mirabilis laevis var. retrorsa H. M. Hall 1905-4-1 5798 Riverside 8 mi west of Coachella, Colorado Desert Comment
  RSA464327  Mirabilis laevis var. retrorsa M. B. Dunkle 1933-3-3 3022 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
  RSA19185  Mirabilis multiflora var. pubescens R. S. Woglum 1937-4-24 296 Riverside San Jacinto Mountains, on Palms to Pines Road, about 2 mi above junction with Palm Springs Highway Comment
  UCR3840  Mirabilis multiflora var. pubescens John Minnich 1964-6-11 64-6-11- 2 Riverside San Jacinto Mtns, Hwy 74, desert side of mountains [Pinyon Flats area] 1220 Comment
  UC1595570  Mirabilis tenuiloba W. Wisura, A. King, and L. Newcomb 1992-4-10 4663 Riverside Mission Creek Ranch w of Hwy 62 below Morongo Valley Comment
  UCR12145  Mirabilis tenuiloba Art Whistler 1966-4-24 s.n. Riverside Western Colorado Desert, Deep Canyon Comment
  RSA517244  Mohavea confertiflora Steve D. Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1335 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  RSA778010  Mohavea confertiflora Jim Andre 2011-2-9 15922 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
  UC1007179  Mohavea confertiflora Philip A. Munz 1940-3-23 15673 Riverside road Dale to Cottonwood Springs (s base of Pinto Mountains); Pinto Mountains 609 Comment
  SEINET10898254  Mohavea confertiflora David B. Dunn, Howard Brown 1947-1-12 Dunn 2847 Riverside Pushawalla Canyon, Indio Hills. Along dry canyon side. Comment
  JOTR34117  Mollugo cerviana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2667 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
  POM268799  Mollugo cerviana E. C. Jaeger 1945-09 s.n. Riverside Joshua Tree National Monument. 1220 Comment
  UCR161453  Monardella breweri subsp. lanceolata Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., W side of Pine Cove, south of Logan Creek near Truck Trail 1829 Comment
  RSA234082  Monardella lanceolata var. lanceolata Robert F. Thorne 1969-6-6 39328 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  CAS-BOT-BC215454  Monardella linoides subsp. linoides Philip A. Munz 1938-8-14 15380 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2286 Comment
  UC1995337  Monardella linoides subsp. linoides P. A. Munz 1938-8-14 15380 Riverside ridge e Toro Peak; Santa Rosa Mts. 2286 Comment
  PASA1143  Monardella macrantha var. longiloba Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 2224 Comment
  UC1499889  Monardella nana Elizabeth McClintock 1941-5-31 52 Riverside 5 3/4 miles from Anza Monument turn off Comment
  UCR113751  Monardella nana subsp. arida William LaHaye 1999-1 s.n. Riverside Santa Rosa Mtns, Near Santa Rosa Peak Comment
  RSA750293  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 101 Riverside Black Mt. 2 miles beyond the snow gate. Comment
  POM14063  Monoptilon bellioides P. A. Munz, D. D. Keck 1922-4-9 4866 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UC69590  Monoptilon bellioides Wright 1890-1 Riverside Colorado Desert Comment
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Nov 29 2010
  UC831339  Monoptilon bellioides I. W. Clokey 1935-4-17 6811 Riverside Cottonwood Springs Comment
  UCR165265  Monoptilon bellioides John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UC219067  Montia fontana P. A. Munz and I. M. Johnston 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  CAS-BOT-BC275251  Muhlenbergia microsperma Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6436 Riverside Big Maria Mountains, 12 airline miles N of downtown Blythe 289 Comment
  RSA495450  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2978 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  RSA559312  Muhlenbergia microsperma Steve Boyd, Dave Bramlet 1992-5-13 7376 Riverside San Mateo Canyon Wilderness Area; Wildhorse Canyon from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  RSA78758  Muhlenbergia microsperma P. A. Munz 1952-4-15 17341 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  SEINET11679031  Muhlenbergia microsperma A. A. Beetle 1946-1 4231 Riverside at DeLuz near Murietta Comment
  POM122723  Muhlenbergia rigens Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  UCD87105  Muhlenbergia rigens F. M. Reed 1928-7-10 7491 Riverside Riverside and vicinity. Camp Emerson, San Jacinto Mts. 1676 Comment
  UCR100376  Muhlenbergia rigens A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21613 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  SEINET7862004  Muhlenbergia rigens M. F. Barrus, F. M. Reed 1920-1-12 99 Riverside Riverside, Arroyo Tequesquito. Comment
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Nov 6 2019
  CAS-BOT-BC83347  Myosurus minimus Frank W. Peirson 1922-5-20 3035 Riverside About 1 mile belwo Kenworthy. Hemet Valley, San Jacinto Mountains. 1386 Comment
  RSA359887  Myosurus minimus subsp. apus Steve Boyd 1986-4-2 1591 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR280981  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 82 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
  SBBG118490  Myriopteris parryi L. C. Wheeler 1964-10-17 8638 Riverside S of Hayfield Reservoir (lake), north side Orocopia Mtns Comment
  JEPS1419  Nama W. L. Jepson Oct 22 1912-Nov 7 1912 5259 Riverside Palo Verde Valley 45 Comment
  RSA33376  Nama demissa N. C. Cooper 1944-3-25 1036 Riverside Morongo Pass. 457 Comment
  JOTR30668  Nama demissa var. demissa La Doux, Tasha, Jim Andre 2008-3-21 144 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  POM13913  Nama demissa var. deserti P. A. Munz, D. D. Keck 1922-4-10 4932 Riverside Eagle Mtns. 3 miles northeast of Hay fields. 213 Comment
  UCD87909  Nassella cernua Fred M. Reed 1906-3-17 927 Riverside Riverside. Tequesquito Arroyo at end of Chicago Ave. Comment
  CAS-BOT-BC259973  Nassella lepida I. M. Johnston 1917-6-5 1301 Riverside Hills S of Arlington 365 Comment
  RSA586492  Nassella lepida D. L. Banks, Steve Boyd 1995-5-9 322 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
  RSA595272  Nassella lepida D. L. Banks, Victor Steinmann 1996-4-20 900 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 512 Comment
  RSA651755  Nassella pulchra E. W. Lathrop 1964-5-10 25 -2 Riverside 14 mi. W. of Murrieta. 610 Comment
  SBBG54314  Nassella pulchra C. Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCD116093  Nasturtium officinale R. N. Raynor 1933-3-31 s.n. Riverside Eden Hot Springs. Comment
  POM13068  Navarretia capillaris E. C. Jaeger 1921-06 POM- 1930 Riverside Caramba, San Jacinto Mts Comment
  RSA0015059  Navarretia fossalis D. E. Bramlet, Fred Roberts, I. Anderson 2005-6-10 3875 Riverside 4.5 miles west of Hemet. The site is located 1000 feet south of Stetson and 300 feet east of California. 456 Comment
  UCR90771  Navarretia fossalis D. E. Bramlet 1993-5-8 2344 Riverside San Jacinto Wildlife area. 274 m south of the headquarters building, 122 m east of Davis Rd. and 168 m north of old San Jacinto River channel 434 Comment
  RSA67049  Navarretia hamata Verne Grant, Alva Grant 1951-6-4 16012 Riverside 2 mi. s. of Temecula on Hwy 395 335 Comment
  JEPS57110  Nemacaulis denudata var. denudata M. French Gilman 713 Riverside desert e Palm Springs Comment
  NY323703  Nemacaulis denudata var. gracilis S. B. Parish 1896-4-4 4140 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mountain 152.4 Comment
  RSA0120324  Nemacladus Duncan S. Bell, Thomas Stoughton 2016-4-13 9272 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR258872  Nemacladus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7910 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  JEPS5234  Nemacladus glanduliferus W. L. Jepson 1928-4-25 12602 Riverside Cottonwood Springs; Colorado Desert, Eagle Mts. 731 Comment
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Oct 9 2010
  LA204530  Nemacladus gracilis Carl Epling; H. Lewis 1941-5-7 Riverside Joshua Tree National Monument, Pinto Basin Comment
  SEINET10458417  Nemacladus longiflorus Secrest 1951-5-18 SECREST s.n. Riverside San Jacinto River bed, few miles east of Hemet Comment
  UC219192  Nemacladus longiflorus var. longiflorus P. A. Munz 1922-4-28 5024 Riverside Temescal Canyon Comment
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Apr 3 2011
  UCR92163  Nemacladus longiflorus var. longiflorus D. L. Banks, Steve Boyd 1995-5-3 222 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
  UCR92485  Nemacladus orientalis George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  JEPS5404  Nemacladus pinnatifidus W. L. Jepson 1928-4-25 12601 B Riverside Cottonwood Springs; Colorado Desert, Eagle Mountains Comment
  SEINET10461015  Nemacladus pinnatifidus Hall 1901-1 Hall s.n. Riverside Comment
  UCR67359  Nemacladus ramosissimus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3995 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA777652  Nemacladus rubescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 755 A Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  SEINET10460917  Nemacladus sigmoideus Annie M. Alexander, Louise Kellogg 1941-4-24 Alexander 2076 Riverside Gorge of Dry Morongo Creek, Morongo Valley 640 Comment
  RSA75155  Nemacladus tenuis H. K. Wagnon 1944-3-26 362 Riverside Cathedral Canyon, Cathedral City. Comment
  UC63802  Nemophila menziesii H. M. Hall May 17, 1901-Jun 1, 1901 1806 Riverside Strawberry Valley Comment
  UCR178142  Nemophila menziesii T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 919 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  SEINET3224404  Nicotiana glauca G. Goodwin 2012-6-15 3458 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UC474949  Nicotiana obtusifolia T. R. Gaines 1932-3-25 Riverside below Palm Springs (at foot of Santa Rosa Mts, at border of desert) 60 Comment
  CAS-BOT-BC71174  Notholaena californica S. B. Parish; W. F. Parish 1884-4-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mt. Comment
  SBBG122762  Nuttallanthus texanus A. Parikh 1990-4-27 162 Riverside Rawson Cyn, SW of Crown Valley, 1.6 km SW of jct of Crown Valley Rd and Rawson Rd 612 Comment
  UCD124111  Nuttallanthus texanus Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  UCR137707  Oenothera californica subsp. californica D. L. Banks 1997-3-29 1554 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center 367 Comment
  UCR85080  Oenothera deltoides A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16033 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  POM46830  Oenothera deltoides subsp. deltoides Mary F. Spencer 1920-3-24 1447 Riverside Near Indio. Colorado Desert. 91 Comment
  RSA248134  Oenothera deltoides subsp. deltoides Susan Delano McKelvey 1936-2-10 5056 Riverside In desert north of Palm Springs. Comment
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Dec 14 2011
  UCR211716  Oenothera laciniata Fred M. Roberts 2005-5-19 6262 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, east of Sanderson Road and south of the Ramona Expressway, 2.6 km south-southwest of Gilman Hot Springs 446 Comment
  SEINET7909439  Oenothera scapoidea P. L. Packard 1976-1 Riverside 6 mi W of Blythe, Interstate 10 Comment
  UCSB4343  Oenothera sinuosa Koran, John 1958-4-14 Riverside 14.2 mi. W. of HWY111 on HWY 74; just outside of Palm Desert 609 Comment
  RSA604766  Olea africana A. C. Sanders 1996-10-23 19643 Riverside Rubidoux Mt, NE foot of the Mtn above the end of 9th Street. 305 Comment
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Jun 26 2008
  UCSB24683  Olneya tesota McMinn, Howard 1937-3-6 Riverside Blythe CA, to Needles CA Comment
  RSA781254  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  SEINET11261874  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 -61 Riverside French Valley, immediately NE of Hwy 79 and the intersection with Algarve Ave.; 0 415 Comment
  RSA543162  Opuntia basilaris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6092 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
  RSA192171  Opuntia engelmannii E. W. Lathrop 1960-5-20 4808 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  UCR41418  Opuntia erinacea A. C. Sanders 1984-4-21 5019 Riverside San Jacinto Mtns., Pinyon Flats, rocky S facing slope south of Hwy 74 and west of the dolomite mine 1220 Comment
  POM274148  Opuntia phaeacantha Lyman Benson 1933-3-31 4146 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  SD229121  Opuntia phaeacantha Dick Schwenkmeyer 2012-3-26 685 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  SEINET3085689  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17370 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km southwest of Idyllwild. 1445 Comment
  UCR154537  Orcuttia californica Jason L. Hlebakos 2005-5-18 712 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  JEPS85935  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4521 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  JEPS85948  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4526 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  SEINET4391064 Image available Orobanche cooperi Sarah J. De Groot 2005-2-10 4638 Riverside Along Palen Pass Road, near Palen Pass, sandy area near Palen/McCoy Wilderness boundary. Bajadas of mountains, just north of Palen Lake (dry). 169 Comment
  SEINET10500313  Orobanche cooperi David B. Dunn 1946-2-23 Dunn 1987 Riverside Collected in a sandy wash bed beside a boulder in Grotto Canyon. Comment
  RSA0066446  Orobanche cooperi subsp. cooperi Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1326 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA0066537  Orobanche cooperi subsp. cooperi Louis Cutter Wheeler 1952-4-5 6851 Riverside Mecca Hills: mouth of Painted Canyon. 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
  RSA356711  Orthocarpus purpurascens Robert F. Thorne, E. W. Lathrop 1975-5-20 45511 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  RSA614865  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-4-5 1709 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  POM263144  Oxytheca emarginata J. C. Roos 1941-5-10 126 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  UCR132913  Oxytheca emarginata 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
  UC6616  Oxytheca trilobata Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  RSA5019  Paeonia californica Carl B. Wolf 1932-3-20 19 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UC1126130  Paeonia californica C. Van Fleet 1931-1-19 2 Riverside mesa w Red Mountain; San Jacinto Quadrangle Comment
  UCR35093  Paeonia californica L. B. Ziegler 1967-2-20 110 Riverside San Jacinto Mtns., Red Mountain Road off Hwy 79 762 Comment
  CAS-BOT-BC327937  Palafoxia arida Annie M. Alexander; Louise Kellogg 1941-5-12 2163 Riverside Colorado Desert. Road to Black Eagle Mine, Eagle Mountains. 670 Comment
  POM363740  Palafoxia arida var. arida B. C. Templeton 1931-4-9 s.n. Riverside North of Palm Springs Comment
  RSA296138  Palafoxia arida var. arida B. A. Prigge 1980-8-5 3881 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
  RSA587723  Palafoxia arida var. arida E. R. Blakley 1993-5-20 7566 Riverside W of roadside rest area at jct of Hwy 19 and road S to Wiley's Well, ca 15 mi W of city of Blythe Comment
  UCR244299  Palafoxia arida var. arida Jim Andre 2012-4-15 20860 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  CAS-BOT-BC154115  Palafoxia linearis N. Aitkenhead 1977-2-2 s.n. Riverside 2 mi. W. of junction of 1000 Palms Canyon Rd & T/L Comment
  RSA674758  Panicum acuminatum var. acuminatum Scott D. White, Teresa Salvato 2001-6-8 8573 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA535743  Panicum capillare Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6649 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  RSA709794  Parietaria hespera var. californica A. C. Sanders 2004-5-5 27769 Riverside Gavilan Hills: Route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  JEPS43448  Parietaria hespera var. hespera S. B. Parish 1920-3-25 20013 Riverside Indian Wells; Colorado Desert Comment
  RSA600665  Paspalum dilatatum L. C. Wheeler 1949-8-24 6752 a Riverside Riverside. Comment
  RSA792558  Pectis papposa Duncan S. Bell 2012-9-13 4185 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SBBG46835  Pectis papposa K. K. Muller 1971-11-7 2981 Riverside just S of US Hwy 60, opposite S entrance to Joshua Tree Nat Monument Comment
  UC640230  Pectis papposa var. papposa Frank W. Peirson 1938-11-12 12636 Riverside directly opposite the road from Mecca (Imperial Valley Boulevard); Imperial Valley Boulevard 0 Comment
  UCR274783  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-4 054 B Riverside Mojave Desert, Red Cloud Wash Road exit from Hwy I-10, c. 5.5 mi on Red Cloud Wash Road. Chuckwalla Bench ACEC 593 Comment
  SEINET3347427 Image available Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10834 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR150444  Pectocarya linearis John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  UCR172213  Pectocarya linearis John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR176196  Pectocarya linearis Amber Bruno 2005-4-3 02 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR228913  Pectocarya linearis A. C. Sanders 2011-4-7 39030 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  RSA594127  Pectocarya linearis subsp. ferocula D. L. Banks, Victor Steinmann 1996-4-20 889 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony, approximately 100 m S from its junction with Hwy. 79., Area just north of Sec.19. 484 Comment
  SEINET6973497  Pectocarya linearis var. ferocula A. G. Vestal 1962-3-29 s.n. Riverside 4.2 miles east of Murrieta. Comment
  POM6648  Pectocarya penicillata P. A. Munz, L. T. Street, G. Williams 1919-3-28 2387 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA0039459  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-2 40734 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  RSA524232  Pectocarya penicillata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4026 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC1543028  Pectocarya penicillata Donald G. Nelson 1936-5-24 416 Riverside just n Lake Hernet (nw of Thomas Mtn, on Pine to Palms Hwy); San Jacinto Mountains, east slope, Hurky Creek Camp Comment
  JOTR29563  Pectocarya recurvata Andre, Jim, Tasha LaDoux 2006-4-11 6737 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  UCR42930  Pectocarya recurvata D. C. Hawks 1986-4-16 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Hill, c. 1.5 mi. east of Whitewater 529 Comment
  RSA747873  Pectocarya setosa Justin M. Wood 2009-5-11 696 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  SBBG118580  Pectocarya setosa L. Gross with V. Soza 2003-5-8 826 Riverside N end of Rouse Ridge, S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  UC25025  Pectocarya setosa H. M. Hall 1899-5-1 1183 Riverside Nigger Jim Hill San Jacinto Mountians, Cahuilla Indian Reservation Comment
  RSA585625  Pedicularis densiflora D. L. Banks, Steve D. Boyd 1995-3-15 60 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 680 Comment
  UCR271718  Pelargonium grossularioides A. C. Sanders 2016-6-26 42518 Riverside Peninsular Range, Riverside, UCR Botanic Garden, at west edge of the herb garden 363 Comment
  UCR261101  Pellaea andromedifolia Joseph Cahill 2011-1-29 111- 18 Riverside San Bernardino Mountains/Sonoran Desert, Whitewater Canyon Road, c. 2.2 miles north of Hwy 10 518 Comment
  UCR91428  Pellaea mucronata Scott D. White 1995-3-30 2651 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  POM364501  Pennisetum setaceum Gary D. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  GMDRC6573  Penstemon centranthifolius J. M. Andre 2012-6-15 30529 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  UCD124083  Penstemon centranthifolius R. N. Raynor 1939-6-20 s.n. Riverside San Jacinto Mts., Coahuila. Comment
  UCR243168  Penstemon centranthifolius LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4333 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
  RSA0123181  Penstemon clevelandii subsp. connatus Duncan S. Bell, LeRoy Gross 2016-3-30 9169 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UC886890  Penstemon clevelandii var. connatus P. A. Munz 1922-7-1 5931 Riverside Old Nicholas Canyon Santa Rosa Mts., Old Nicholas Canyon 1463 Comment
  POM11198  Penstemon grinnellii Philip A. Munz 1922-6-26 5826 Riverside Santa Rosa Mts. Road to Santa Rosa from Vande venter 1768 Comment
  SD119896  Penstemon heterophyllus var. heterophyllus Louis B. Ziegler 1968-6-3 304 Riverside San Jacinto Mountains - Bautista Canyon, in wash of dry creek 762 Comment
  UCR35264  Penstemon labrosus L. B. Ziegler 1967-7-27 193 Riverside Peninsular Range; San Jacinto Mtns., Thomas Mtn. 2043 Comment
  UC219085  Penstemon rostriflorus P. A. Munz 1922-7-6 6007 Riverside trail from Fern Valley to Tahquitz V.; San Jacinto Mts., trail fr Fern Valley to Tahquitz V. 2133 Comment
  RSA733710  Penstemon spectabilis R. H. McArthur 1934-5-6 s.n. Riverside East end Ortega Highway. Roadside. Comment
  UCR174029  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32498 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  NY661185  Penstemon spectabilis var. spectabilis H. K. Sharsmith 1954-7-7 4445 Riverside On highway between Banning and Idlewild, near Fuller Creek, San Bernardino National Forest. 1828.8 Comment
  JOTR33759  Pentagramma triangularis subsp. maxonii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2757 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  RSA125965  Pentagramma triangularis subsp. maxonii E. K. Balls, Percy C. Everett 1957-11-4 22753 Riverside Snow Creek about old Fish Hatchery, and through wash; always on N side of rocks 701 Comment
  JOTR35132  Pentagramma triangularis subsp. triangularis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3244 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  UC218151  Perideridia parishii subsp. latifolia P. A. Munz 1922-9-5 6367 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  LA204571  Peritoma arborea Norman C. Cooper; 1944-4-23 1117 Riverside Cabazon 457 Comment
  SFV17214  Peritoma arborea J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  CAS-BOT-BC77532  Peritoma arborea var. arborea Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  HSC79980  Peritoma arborea var. arborea James Henrickson 1973-3-18 8610 Riverside 33 mi. E of Temecula, 5-7 mi. SE of Terwilliger, at N end of Coyote Canyon Rd., first steep grade down to canyon, in wash of Coyote Canyon 762 Comment
  CAS-BOT-BC355978  Perityle emoryi H. M. Hall 1902-4-1 2793 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  RSA0062769  Perityle emoryi Duncan S. Bell, Evan Meyer 2014-10-21 7651 Riverside Orocopia Mountains; northwestern section of the range; in the vicinity of Hotel California; about 3 air miles northwest of the summit of the Orocopia Mountains. 762 Comment
  RSA471859  Perityle emoryi M. B. Dunkle 1932-3-25 2911 Riverside Cathedral Canyon Comment
  RSA471863  Perityle emoryi W. D. Pierce 1940-2-24 s.n. Riverside Painted Canyon, Orocopia Mts. Comment
  RSA550348  Perityle emoryi Walter Wisura, John Dolan, Michael Wall 1992-3-24 4640 Riverside Lowdesert: 5.6 mi. S of I-10 on rd to Corn Spring. Comment
  JOTR35184  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  SD122868  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd., 8 mi west of Rancho California, wet sand in Sandia Creek 305 Comment
  CAS-BOT-BC167765  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon 243 Comment
  CAS-BOT-BC167772  Petalonyx thurberi Roxana S. Ferris 1918-6-14 983 Riverside On Mecca - Blythe Rd., Shaver's Well Comment
  RSA1253  Petalonyx thurberi B. D. Stark 1930-8-17 1584 Riverside Chuckawalla Valley, Colorado Desert, Riverside County Comment
  RSA164766  Petalonyx thurberi Brian C. Miller 1963-6-1 s.n. Riverside 5.5 miles S of Curtis Palms near rod 24 Comment
  UCR166528  Petalonyx thurberi Scott D. White, Brian Leatherman 2005-5-4 11013 Riverside Sonoran Desert, Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and east of the Coachella Canal 49 Comment
  POM6873  Peucephyllum schottii P. A. Munz, L. T. Street, Williams 1919-3-26 2391 Riverside Salton Sea. Comment
  CAS-BOT-BC6766  Phaca arenicola Samuel Bonsal Parish 1913-2-28 8467 Riverside Mecca. Salton Basin -60 Comment
  RSA657245  Phacelia ambigua J. Mark Porter 2001-4-2 12344 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  JEPS1555  Phacelia brachyloba W. L. Jepson May 17 1901-Jun 1 1901 1282 Riverside near Strawberry Valley; Mt. San Jacinto, San Jacinto Canyon Comment
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Jul 8 2014
  SD216487  Phacelia brachyloba Jay B. Walker 1995-5-4 1416 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  UCR230930  Phacelia campanularia T. B. Salvato, Richard Camacho 2011-6-12 5486 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA74497  Phacelia campanularia subsp. vasiformis F. W. Peirson 1928-4-24 7896 Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  UC131726  Phacelia campanularia subsp. vasiformis S. B. and W. F. Parish 1882-4-1 Riverside Morongo Comment
  UCR116856  Phacelia cicutaria var. hispida A. C. Sanders, Steven R. Hill 2001-5-4 24137 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  SD143849  Phacelia ciliata D. Bramlet 1993-3-30 2303 Riverside South Cajalco Bend; 1.5 mile south of Cajalco Road, at a location 3.2 km east of the intersection of Cajalco Road and Sierra Ave. 451 Comment
  UCR116810  Phacelia crenulata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23940 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  JOTR35475  Phacelia cryptantha Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 78 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  RSA234115  Phacelia distans Robert F. Thorne, R. Carolin 1967-3-21 41645 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
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Oct 9 2010
  RSA426205  Phacelia distans N. C. Cooper 1944-3-25 1017 Riverside Morongo Pass. 457 Comment
  RSA763659  Phacelia distans Doris Bowers 1972-4-15 1828 Riverside Pulgas Creek Canyon at Rancho Calif. 396 Comment
  SD193113  Phacelia distans W. J. Schrenk 2008-4-30 87 Riverside Anza-Borrego Desert State Park, Coyote Canyon Road Comment
  UCR103915  Phacelia distans B. G. Pitzer 1997-4-11 3106 Riverside Lakeview Mtns, spur off Pulsar View Road leading to utility tower, c. 1 mi by road from the base of the hills. c. 3/4 mi (air) SW of Mt. Rudolph. 604 Comment
  UCR116815  Phacelia distans A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23945 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR250875  Phacelia distans S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1042 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR4169  Phacelia distans H. C. Sharma 1976-4-20 760420- 02 Riverside UCR campus, c. 200 yards S-W of metallic tanks above Parking Lot No. 8 427 Comment
  RSA0055025  Phacelia distans Jim Shevock 1971-3-6 741 Riverside White Tank, Joshua Tree National Monument. 1001 Comment
  UCSB45414  Phacelia fremontii Kaplan, Lisa 1979-3-4 Riverside Box Canyon Wash @ 1 mile east of Mecca 6 Comment
  RSA151625  Phacelia minor R. C. Bacigalupi 1954-4-25 4397 Riverside First-year burn along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  RSA78473  Phacelia minor Verne Grant, Alva Grant 1952-3-19 17502 Riverside Near mouth of Whitewater Canyon. Comment
  SDSU12857  Phacelia minor Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998A Riverside Creekbed due south of SDSU Santa Margarita Field Station, ca. 1000 feet southwest on road to switchback bend, then ca. 800 feet northeast down to creekbed. 238 Comment
  UC1244692  Phacelia minor Roy L. Taylor and R. O. Ornduff 1960-3-21 4401 Riverside 2 mi n Aguanga (on rd to Coahuila) Comment
  UCD120570  Phacelia minor C. L. Hitchcock 1966-3-15 24162 Riverside 3 mi. e. of Glen Ivy Hot Springs. Comment
  UCR174077  Phacelia minor A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32591 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
  UCR174349  Phacelia minor A. C. Sanders 2006-5-19 32394 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR177025  Phacelia minor Tracy Tennant 1998-6-5 1030 Riverside Peninsular Range, east side of Roundtop Mtn. and along Sage Road 732 Comment
  UC107583  Phacelia mutabilis A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  RSA703744  Phacelia neglecta LeRoy Gross 2005-3-3 1564 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  JOTR30111  Phacelia pedicellata La Doux, Tasha, Bill Truesdell 2008-3-18 1659 Riverside Joshua Tree National Park. Stop 2 = Near northern Park boundary in Rattlesnake Canyon Wash, near bouldery outcrops 892 Comment
  RSA6102  Phacelia ramosissima var. latifolia Carl B. Wolf 1932-5-24 3642 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  UCR101584  Phacelia vallis-mortae Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA649668  Phalaris lemmonii J. C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet) Comment
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Mar 20 2011
  CLARK-A1528-4799  Phalaris paradoxa John C. Roos 1952-5-21 5702 Riverside San Jacinto River 426 Comment
  RSA97670  Phlox austromontana R. M. Straw 1954-6-10 610 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  RSA615066  Phoenix dactylifera A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. D. Stewart, Colin L. Sanders 1994-12-4 15889 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity., 33 deg 30.16 N, 115 deg 49.9 W -30 Comment
  RSA792342  Pholisma arenarium Doris Bowers s.n. Riverside Colorado Desert, Algodones Dunes? Comment
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Mar 17 2014
  UC1930127  Pholisma arenarium V. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1062 b Riverside Peninsular Ranges, Jan Jacinto Mountains region: Bautista Canyon, alongside Bautista Canyon Road, across from Bautista Conservation Camp. 854 Comment
  CLARK-A1045-142  Pholistoma membranaceum George K. Helmkamp 1978-4-1 Riverside Deep Canyon west edge of Deep Canyon; Palm Desert 15'Q Comment
  UCR102917  Pholistoma membranaceum George K. Helmkamp 1997-3-5 1340 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  LA209827  Phoradendron californicum Mary V. Hood; 1944-4-7 44- 26 -k* Riverside Pines to Palms Highway 609 Comment
  RSA420780  Phoradendron californicum Ora M. Clark 1929-3-17 1737 Riverside West of Indio. Comment
  RSA420785  Phoradendron californicum Elbert Benjamine 1929-4-6 143 Riverside Box Canyon, Coachella Valley, Colorado Desert. Comment
  RSA601648  Phoradendron californicum Louis C. Wheeler 1956-2-25 7176 Riverside Deep Canyon, south of Palm Desert. Comment
  SEINET10739282  Phoradendron californicum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12847 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UCD102020  Phoradendron californicum Lewis S. Rose 1966-12-11 66093 Riverside Palm Springs. 152 Comment
  UCR91969  Phoradendron libocedri George K. Helmkamp, E. A. Helmkamp 1995-11-16 2- 2 Riverside San Jacinto Mtns., Along Hwy 243 at Lake Fulmor 1616 Comment
  RSA552719  Phoradendron macrophyllum Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6689 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 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
  CDA41154  Physalis crassifolia T. C. Fuller 1964-4-14 11832 Riverside Bench above wash of Whitewater Canyon, 3.4 miles north of Whitewater. 0 Comment
  JOTR35002  Physalis crassifolia La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3104 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  POM126318  Physalis crassifolia Martha Hilend 1927-4-2 s.n. Riverside Painted Canyon, Colorado Desert. Comment
  RSA423819  Physalis crassifolia M. B. Dunkle 1932-3-25 2908 Riverside Cathedral Canyon Comment
  RSA699077  Physalis crassifolia J. Russell Bruff 1929-11-28 428 Riverside Split Rock. Comment
  SEINET4099573  Physalis crassifolia G. T. Manthey 1977-1 1622 Riverside Along road going from Mecca to Joshua Tree National Forest. Comment
  UC146429  Physalis philadelphica Miss Kate Conger before Oct 1909 Riverside Winchester Comment
  RSA357171  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-25 45545 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  SDSU21794  Pilularia americana Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3985 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  MACF019470  Pinus coulteri Trudy R. Ericson 1974-11-9 264 Riverside St. 243 from Banning to Idyllwild at intersection with Vista Grande Road, San Bernardino National Forest 1554 Comment
  RSA67677  Pinus edulis Verne Grant 1951-7-23 16111 Riverside Hillside in narrow canyon, several miles east of Anza on road to Hwy 74. 762 Comment
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Mar 23 2014
  CAS-BOT-BC78597  Pinus flexilis Winifern W. Swarth 1914-9-10 s.n. Riverside Divide west of Tahquitz Valley, San Jacinto Mts. 2438 Comment
  UC64557  Pinus lambertiana H. M. Hall 1901-6-1 2319 Riverside near Tauquitz; San Jacinto Mountains 2682 Comment
  MACF014861  Pinus monophylla Dorothy L. Groninger 1964-12-5 21 Riverside Palms to Pines Highway 1219 Comment
  RSA762011  Pinus ponderosa Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 663 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC72839  Pinus quadrifolia J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  RSA503434  Pinus quadrifolia Mark Parratt 1962-2-24 114 Riverside 1/4 mile north of Nightengale, Calif. on State hwy. 74. Mt. Range San Jacinto. Alt. 3900 ft. 1189 Comment
  SEINET3874495 Image available Pinus quadrifolia R. M. Lanner 1970-12-17 2084 Riverside San Jacinto Mountains San Bernardino National Forest. Along Highway 74.; 0 Comment
  LA24977  Piperia cooperi M. Zaitlin; 1951-5-12 sn Riverside San Juan Canyon, Hwy 74 914 Comment
  UCR157968  Piperia cooperi Michael A. Patten 1992-4-23 s.n. Riverside Peninsular Range, c. 5 km SE of Temecula, just north of Pechanga Indian Reservation in Redhawk housing tract, SE end of Wolf Valley 396 Comment
  UCR219072  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Sonoran (Colorado) Desert, Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. -35 Comment
  UCR91216  Pityrogramma triangularis var. triangularis Scott D. White 1996-3-31 3858 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
  UCR178309  Plagiobothrys T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 930 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  SD186144  Plagiobothrys acanthocarpus A. c. Sanders, Kelly Volansky 2005-3-17 29201 Riverside French Valley, southeast of Winchester Rd., between Thompson Rd. and Benton Rd., ca. 0.5 mile northeast of Adobe Spring. 412 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
  RSA359606  Plagiobothrys canescens Steve Boyd 1986-3-3 1376 Riverside Good Hope Valley, 5 miles W of Perris, DePrad Street, 1/2 mile E of Cowie Ave. 488 Comment
  UCR158068  Plagiobothrys canescens A. C. Sanders 1997-3-12 19847 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SEINET959355  Plagiobothrys collinus John F. Green 2006-1 Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks. N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W (Murrieta 7.5 Q) 336 Comment
  UCR120898  Plagiobothrys collinus A. C. Sanders, D. Malueg 2002-4-8 24910 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR49253  Plagiobothrys collinus Steve Boyd 1986-3-9 1389 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  UCR273791  Plagiobothrys collinus var. fulvescens Mitch Provance 2012-4-20 412- 26 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  UC1506500  Plagiobothrys fulvus A. C. Sanders and T. Glenn 1983-4-17 3736 Riverside 5 mi (airline) s Murrieta; Santa Ana Mountains, Mesa de Colorado 609 Comment
  UCR266323  Plagiobothrys leptocladus D. E. Bramlet 1991-4-29 2097 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road, north of Florida 457 Comment
  RSA613459  Plagiobothrys nothofulvus D. L. Banks, Victor Steinmann 1997-3-13 1433 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  JEPS68135  Plagiobothrys tenellus W. L. Jepson 1901-5-19 1308 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  JEPS68148  Plagiobothrys tenellus W. L. Jepson 1935-4-17 19147 Riverside 1.5 mi n Elsinore 457 Comment
  UCR211722  Plantago coronopus Fred M. Roberts 2005-5-26 6211 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, between the Ramona Expressway and Ramona Blvd, 0.2 km north of the latter, 1.9 km southwest of Gilman Hot Springs 442 Comment
  UCR281120  Plantago elongata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 24 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UCR281492  Plantago erecta Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 78 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  RSA793409  Plantago ovata Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3942 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UC577432  Plantago ovata J. and H. W. Grinnell 1937-11-30 1083 a Riverside 24 mi w Blythe (Bed of Ford Dry Lake); Ford Dry Lake Comment
  UCR148852  Plantago ovata Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  UCR275539  Plantago ovata D. E. Bramlet 2010-3-1 4458 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  POM15000  Plantago ovata var. fastigiata Mary F. Spencer 1922-3-27 1488 Riverside Canyon prope [near] Mecca 49 Comment
  RSA402017A  Plantago ovata var. fastigiata N. C. Cooper 1949-4-8 3262 Riverside Mecca Pass east of Indio. 457 Comment
  RSA708430  Plantago patagonica 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 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  SBBG68797  Plantago patagonica M. N. Ackley 1928-3-10 791 Riverside Bridge Haven 426 Comment
  POM19843  Platanthera leucostachys Mary F. Spencer 1923-7-18 2263 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA162787  Platanthera leucostachys John Olmsted 1959-7-1 710 Riverside Deer Spring; N of Idyllwild along Deer Springs trail to San Jacinto Peak, San Jacinto Mountains. N Fork San Jacinto River Drainage Area. 2591 Comment
  CLARK-A1528-698  Platanus racemosa Rand Ch. Isbell 1970-5-14 3 Riverside Box Springs 365 Comment
  RSA192038  Platystemon californicus E. W. Lathrop 1959-4-16 4468 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  UCR93018  Platystemon californicus G. P. Schultz 1994-4-7 71 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  SEINET7042762  Platystemon californicus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside South end of Buck Road, Notheast of Long Valley, south southeast of Winchester. Comment
  RSA0027563  Pleuraphis rigida April Garbat, Sarah Fisher, Kristin Forgrave 2013-8-1 97 Riverside Chuckwalla Valley. Intersection of Graham Pass Rd and Chuckwalla Valley Rd. 120 Comment
  UC38598  Pleuraphis rigida S. B. Parish Apr 4 1896-Apr 13 1896 4145 Riverside desert base of San Jacinto Mt. Palm Springs (Agua Caliente) ((Agua Caliente)); , Palm Springs 152 Comment
  UC86378  Pleurocoronis pluriseta C. R. Orcutt 1880-1 Riverside Colorado Desert Comment
  CAS-BOT-BC326535  Pluchea sericea Munz; Street; Williams 1919-3-25 2320 Riverside Palm Canyon, Palm Springs Comment
  CLARK-A1656-604  Pluchea sericea Jim Cornett 1977-7-10 Riverside Thousand Palms Canyon 137 Comment
  POM319673  Pluchea sericea Patricia Wilder 1971-11-11 5305 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UCR75044  Pluchea sericea A. C. Sanders, E. J. Lawlor 1992-4-4 12158 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC1713243  Poa annua unknown April 1917 Riverside Riverside Comment
  RSA741010  Poa compressa Scott D. White, Justin M. Wood 2008-6-18 12227 Riverside K Flat Meadow. 1433 Comment
  RSA524229  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4023 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA612605  Poa secunda D. L. Banks, Victor Steinmann 1997-3-13 1490 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
  RSA759239  Poa secunda Elizabeth A. Kellogg, Elizabeth L. Taylor 1980-5-20 304 Riverside On north side of Highway 74. Comment
  UCD91886  Poa secunda subsp. secunda F. M. Reed 1905-4-2 694 Riverside Box Springs Mountains. 548 Comment
  UC284202  Polygala cornuta var. fishiae P. A. Munz 1923-6-18 7127 Riverside on rocky slopes Temecula Canyon Comment
  UCR62864  Polygala cornuta var. fishiae 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
  UCR156294  Polygonum T. B. Salvato, Kent Beaman 2005-5-16 828 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
  UCR128894  Polygonum argyrocoleon A. C. Sanders, E. J. Lawlor, Don Pendleton 1992-3-21 12075 Riverside Sonoran (Colorado) Desert, Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -44 Comment
  POM19663  Polygonum bistortoides Mary F. Spencer 1923-8-18 2283 Riverside Round Valley. 2744 Comment
  RSA575837  Polygonum lapathifolium Steve Boyd 1981-9-1 s.n. Riverside Gavilan Hills region, north base of the range, south of Lake Mathews on south side of Cajalco Road, 1 mile west of Archer Rod. Comment
  POM48373  Polypodium hesperium P. A. Munz, I. M. Johnston 1924-7-27 8778 Riverside North side of rocks, Dark Canyon, San Jacinto Mountains 2194 Comment
  UC821249  Polypogon monspeliensis P. A. Munz 1922-6-23 5774 Riverside San Jacinto Mts. Hemet Valley; , Hemet Valley 1371 Comment
  UCR90617  Polypogon monspeliensis Scott D. White 1995-6-29 3403 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA0051251  Polypogon monspeliensis John C. Roos 1952-4-23 5576 Riverside West side of Box Springs Mts. above Canyon Crest Heights. 457 Comment
  IRVC167  Polystichum imbricans subsp. curtum Charley Ford 1965-4-20 HS 560 Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  UCR225586  Populus fremontii A. C. Sanders, T. B. Salvato 2011-3-29 38865 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, gentle alluvial slope along powerline corridor east of Goetz Rd., west of Wheat St. 450 Comment
  RSA771107  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4727 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
  CAS-BOT-BC267208  Potamogeton foliosus Thorne; P. A. Munz; E. Lathrop 1968-5-8 37564 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  RSA499237  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-7-9 s.n. Riverside S. side Strawberry Valley. 1585 Comment
  POM366544  Potentilla glandulosa var. nevadensis M. B. Dunkle 1933-7-22 3747 Riverside Tahquitz Valley. 2317 Comment
  UC2026428  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10062 Riverside COLORADO-MOJAVE DESERT TRANSITION, LITTLE MARIA MOUNTAINS: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. Comment
  UCR179755  Proboscidea louisianica Mike Misenhelter 2006-11-14 s.n. Riverside Hemet, south of Florida Ave. (Hwy 79) at Cawston Ave., in proposed extension of Cawston to Acacia Ave. 462 Comment
  UCR101417  Prosopis glandulosa A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22223 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  RSA628534  Prosopis glandulosa var. torreyana A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22223 Riverside Morongo Indian Reservation, Lion Canyon. 671 Comment
  LA31365  Prunus fasciculata Jane Turner; Barbara Eliteul, Virginia Sipholn 1959-3-21 C 176 Riverside Morongo Wash Comment
  RSA229798  Prunus fremontii Philip A. Munz 1937-5-30 15133 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  CLARK-A1528-3072  Prunus ilicifolia John C. Roos 1940-5-4 Riverside San Timoteo Canyon Comment
  UCR154408  Prunus ilicifolia A. C. Sanders, Mike Misenhelter 2005-6-15 30943 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
  RSA472316  Psathyrotes ramosissima H. S. Gentry 2152 Riverside West side of Colorado Desert -30 Comment
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Apr 8 2011
  CAS-BOT-BC356597  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 2645 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  POM358760  Pseudognaphalium biolettii Ora M. Clark 1929-2-24 1539 Riverside N slope of San Jacinto S of Cabazon Comment
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Nov 9 2011
  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
  SBBG50926  Pseudognaphalium biolettii N. R. Zabriskie 1973-4-6 624 Riverside trail ca 25' N of stream, ca 30 yds downstream from "Big Pool", Andreas Cyn, E slope San Jacinto Mtns 335 Comment
  UCR34931  Pseudognaphalium biolettii L. B. Ziegler 1967-8-24 223 Riverside San Jacinto Mtns, San Jacinto Valley. Mission [Avery] Canyon 503 Comment
  SD137887  Pseudognaphalium californicum Darin L. Banks, Steve Boyd 1995-4-5 158 Riverside Cleveland NationaL Forest, Agua Tibia Wilderness Area, North slope of Agua Tibia Mountain, east of Dripping Springs Alcove, east of trail 550 Comment
  SD186106  Pseudognaphalium stramineum A. C. Sanders, Mike Misenhelter 2005-6-15 30967 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn. 640 Comment
  RSA16329  Pseudotsuga macrocarpa Percy C. Everett 1935-6-18 7205 A Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (North) Main Divide Motorway. 1220 Comment
  RSA783244  Pseudotsuga macrocarpa J. D. Olmsted 1962-5-3 3472 Riverside East slope of Baldy Mt., along pines to Palms Hwy., 1.5 mi S of 4936' summit south of Mt. Center 1505 Comment
  SD146004  Psilocarphus brevissimus A. C. Sanders, K. C. Rose 1998-5-21 21855 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
  CAS-BOT-BC362109  Psilostrophe cooperi Philip A. Munz 1940-3-24 15698 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  JOTR32960  Psilostrophe cooperi La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2711 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA678223  Psorothamnus arborescens var. simplicifolius Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1092 Riverside Mouth of Little Morongo Canyon, , NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  CAS-BOT-BC353638  Psorothamnus emoryi E. A. McGregor 1917-3-18 702 Riverside 5 miles up Painted Canyon Comment
  RSA403993  Psorothamnus emoryi H. S. Gentry 1936-1 6200 Riverside 15 mi. N of Desert Center 152 Comment
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Oct 13 2010
  CAS-BOT-BC340898  Psorothamnus schottii Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Palm Springs Comment
  RSA336202  Psorothamnus schottii Robert F. Thorne 1978-4-23 52024 Riverside Chino Canyon. Comment
  RSA404259  Psorothamnus schottii Leslie. N Gooding 1943-3-18 s.n. Riverside 25 mi. N of Indio Comment
  SBBG29378  Psorothamnus schottii D. Myrick 1968-3-2 1800 Riverside Desert Hot Springs 304 Comment
  UC50193  Psorothamnus schottii L. D. Copeland Apr. 1904 4 Riverside West Canyon , West Canyon (Palm Springs) Comment
  UC555343  Psorothamnus schottii Margaret Stason 1927-3-12 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UC667244  Psorothamnus schottii Annie M. Alexander and Louise Kellogg 1941-5-17 2193 Riverside near Dos Palmas (Colorado Desert); , near Dos Palmas Comment
  JEPS41653  Psorothamnus spinosus Marjorie Clary Oct. 1930 Riverside Coral Reef Ranch , Coral Reef Ranch (Coachella) Comment
  RSA0019787  Psorothamnus spinosus April Garbat, Kristin Forgrave 2013-5-29 75 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  SBBG68035  Psorothamnus spinosus V. Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Cyn 243 Comment
  UCD108391  Psorothamnus spinosus Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCSB10491  Psorothamnus spinosus Ralph, F. 1959-5-17 Riverside Along side Hwy. 74 between Palm Desert and Cathedral City, 0.3 miles east of Cathedral City limits 152 Comment
  RSA91439  Psorothamnus spinosus F. W. Peirson 1921-4-13 568 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  RSA575915  Pteridium aquilinum var. pubescens Steve Boyd 1994-10-14 8376 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, Fisherman's Camp. 341 Comment
  UC729515  Pteridium aquilinum var. pubescens Carl B. Wolf 1932-5-25 3664 Riverside mouth of e fork of Snow Creek Canyon; n base San Jacinto Mts 670 Comment
  JOTR30998  Pterostegia drymarioides La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1304 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  RSA249100  Pulicaria hispanica O. F. Clarke 1972-9-17 s.n. Riverside Santa Ana river bottom. Adjacent river view drive Rubidoux Comment
  RSA0125182  Pulicaria paludosa Duncan S. Bell 2016-10-27 10204 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA134218  Punica granatum Peter H. Raven, Richard Snow 1957-7-26 11081 Riverside Banning to Idyllwild road, 6.5 miles N of road to Twin Pines Ranch, San Jacinto Mts. Riverside County Comment
  CAS-BOT-BC516759  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands: W of Beaumont, just E of jct of 60 Fwy and Jackrabbit Trail, off frontage road deadend 716 Comment
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Jan 17 2018
  RSA0042976  Quercus Jeremiah George 2012-8-13 s.n. Riverside west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UCR266607  Quercus Mitch Provance 2009-9-10 17426 Riverside San Bernardino Mountains, Banning, beneath SCE lines, about 0.95 mi N of the intersection of Florian St. and W Gilman 909 Comment
  RSA0086759  Quercus agrifolia R. G. Swinney 1967-5-26 11730 Riverside Snow Creek. 335 Comment
  UCD45235  Quercus agrifolia Louis C. Wheeler 1964-11-28 8649 Riverside Temescal Valley: Wright Ranch Comment
  RSA709078  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31554 Riverside Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  RSA713581  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -581 Riverside San Jacinto Mountains, San Bernardino National Forest, 2.3 mi W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  UCR163407  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 594 Riverside San Bernardino National Forest: San Jacinto Mountains, 0.7 miles west of Santa Rosa Mountain Rd on SR 74 near Vandeventer Flat 1369 Comment
  RSA192167  Quercus berberidifolia E. W. Lathrop 1965-5-18 5757 Riverside 8 miles W of Murrieta. 610 Comment
  UCR273004  Quercus berberidifolia Mitch Provance 2012-8-30 17434 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  LA46436  Quercus chrysolepis W. E. Pequegnat; 1937-1 sn Riverside Santa Ana Mountains Comment
  SBBG58052  Quercus chrysolepis J. E. Butner 1948-10-3 655 Riverside trail from Idyllwild to San Jacinto Pk 2286 Comment
  UC519764  Quercus chrysolepis C. Epling 1931-10-4 Riverside Idyllwild 1371 Comment
  UCR60925  Quercus cornelius-mulleri Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3739 Riverside Peninsular Range, Vail Lake area, S flank of Oak Mountain, north of the lake 549 Comment
  UCSB60490  Quercus cornelius-mulleri Steele, Kelly; Wilson, Chris 1982-2-19 Riverside Just off Hwy. 74, south on 7S06 (dirt road), 3.6 miles northeast of the junction of Hwy. 74 and Santa Rosa Mt. Road 1036 Comment
  SBBG92531  Quercus engelmannii B. Pitzer 1988-6-8 1045 Riverside Rancho Californica area, avocado grove S of Avenida del Oro, just past Calle Capistrano Comment
  UCD46014  Quercus engelmannii Frank C. Vasek 1975-9-11 s.n. Riverside Large tree in Horsethief Creek Canyon, southwest of Pinyon Flat, where the Cactus Spring Trail crosses, Riverside County, California. Comment
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Oct 4 2019
  CLARK-A1528-1149  Quercus kelloggii Sherri Stange 1980-6-1 Riverside San Jacinto Mountains 1523 Comment
  UCR117251  Quercus palmeri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22294 Riverside San Jacinto Mtns., W side of Burnt Valley along Burnt Valley Rd. 1354 Comment
  RSA750596  Quercus turbinella subsp. turbinella K. M. Meyer, A. Townesmith, T. Scott 2007-3-19 23 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinyon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  UCR169493  Quercus wislizeni T. B. Salvato, John F. Green 2004-5-27 592 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC362626  Rafinesquia neomexicana Helen K. Sharsmith 1952-4-10 4059 Riverside Mojave Desert. Smoke Tree Wash, ca. 5 miles northeast of Cottonwood Springs, Joshua Tree National Monument 853 Comment
  PASA2620  Ranunculus aquatilis M. Stason 1931-5-24 Riverside Pond near Hurkey Creek Camp, Hemet Valley Comment
  UCR202600  Ranunculus aquatilis Scott D. White, Justin M. Wood 2008-7-9 12442 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  RSA198932  Ranunculus aquatilis var. capillaceus Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37423 Riverside Santa Rosa Plateau: near roadside, Rancho California. Santa Ana Mountains 610 Comment
  POM268409  Ranunculus californicus Lyman Benson 1932-3-26 3164 Riverside 3 miles N [of] Temecula. 457 Comment
  RSA198929  Ranunculus californicus Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37588 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  RSA0030881  Ranunculus cymbalaria var. saximontanus Ira W. Clokey, E. G. Anderson 1935-8-21 6627 Riverside Hemet. 1030 Comment
  RSA721994  Ranunculus hebecarpus R. Weatherby 1950-5-18 2972 Riverside Hagador 915 Comment
  RSA0013140  Ranunculus sceleratus var. sceleratus LeRoy Gross, Caitlin Elam 2013-5-14 6073 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR120946  Rhamnus crocea A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24917 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  CAS-BOT-BC56048  Rhamnus ilicifolia P. C. Everett 1935-6-18 7207 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1 1/2 mi. below (No.) main divide motorway 1280 Comment
  SEINET10493674  Rhamnus ilicifolia James S. Miller 1992-5-8 Miller 7460 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UC1121876  Rhamnus ilicifolia A. Lewis May 1934 441 Riverside 1 mi e Ortega Highway; Cleveland National Forest, Elsinore Quad. 944 Comment
  UC456171  Rhododendron occidentale I. J. Condit 1910-6-23 Riverside San Jacinto Mountains 2590 Comment
  UCR265587  Rhus aromatica Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 12 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  UCR34998  Rhus aromatica L. B. Ziegler 1974-4-2 521 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 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
  OBI29875  Rhus ovata Melissa Luckow, Rhonda Riggins 1982-4-15 826 Riverside Hwy 371, 3.6 mi N jctn with Hwy 79 in Aguanga Comment
  RSA386388  Rhus ovata M. V. Hood 1945-3-30 s.n. Riverside Aguanga. 762 Comment
  UC667350  Rhus trilobata Annie M. Alexander and Louise Kellogg 1941-5-21 2209 Riverside n slope of Eagle Mountains (near head of canyon); Colorado Desert 1280 Comment
  RSA651630  Ribes aureum var. gracillimum Bennie Finnell 1948-5-17 s.n. Riverside Found near Hunt Ranch 8 mi. South of Corona. 221 Comment
  RSA476153  Ribes cereum Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  UCR158448  Ribes indecorum S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  POM12661  Ribes nevadense P. A. Munz 1922-9-6 6384 Riverside North fork of Tahquitz Creek. 2210 Comment
  RSA604839  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside Lakeview Mountains; SW of Juniper Flat Road. 579 Comment
  UCR26636  Ribes speciosum E. W. Lathrop 1966-3-23 s.n. Riverside Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  RSA736851  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  CAS-BOT-BC92174  Romneya coulteri var. coulteri E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temescal Canyon, between Corona and Elsinore. 350 Comment
  CLARK-A1528-5386  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Whitewater Comment
  CSUSB503  Rorippa nasturtium-aquaticum S. Nelson 1974-5-9 S. N. Riverside Santa Ana River Park, found growing in water near river bank 243 Comment
  RSA500191  Rorippa palustris subsp. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3553 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  CAS-BOT-BC147542  Rosa californica Jenkins; Street 1917-5-30 1951 Riverside San Jacinto [Canon] Canyon Comment
  UCR975  Rosa californica S. C. Anderson 1957-5-21 s.n. Riverside Riverside, Santa Ana River bottom, 0.5 mi. east of Humane Society, north of Jurupa Ave. [near Union Pacific RR bridge] 220 Comment
  RSA450256  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San jacinto Mtns. Comment
  UC219558  Rubus parviflorus P. A. Munz 1922-7-6 6028 Riverside North Fork of Tahquitz Creek San Jacinto Mts., North Fork Tahquitz Creek 2225 Comment
  UCR23506  Rubus parviflorus John C. Roos 1942-6-20 991 Riverside San Jacinto Mtns., Dark Canyon, N Fork San Jacinto River Comment
  RSA220998  Rubus ursinus E. W. Lathrop 1966-3-30 6122 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  POM13008  Rumex acetosella P. A. Munz, I. M. Johnston 1922-5-19 5423 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  SD225084  Rumex pulcher G. Helmkamp 1996-5-24 1025 Riverside State Park System north of Turri Road and 1.5 mi east of South Bay Blvd. 93 Comment
  RSA559427  Rumex salicifolius Steve Boyd 1992-4-15 6874 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA726819  Rumex salicifolius Steve Boyd, Aydee Virgen 2004-4-13 10846 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC850653  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1935-8-21 6601 Riverside Fuller Creek 1500 Comment
  UC8370  Sagina saginoides H. M. Hall June, 1901 2203 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  UCR17576  Sagina saginoides var. hesperia E. C. Jaeger 1921-7-4 s.n. Riverside San Jacinto Mtns., Round Valley 2744 Comment
  RSA701156  Salazaria mexicana Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11258 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC25640  Salazaria mexicana H. M. Hall June, 1901 2107 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); along borders of Colorado Desert, San Jacinto Mountains Comment
  UC56963  Salazaria mexicana F. Gilman 1902-1 7 Riverside Palm Springs Comment
  UCR59706  Salazaria mexicana A. C. Sanders 1989-9-19 9502 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
  SEINET5568897  Salicaceae Swingle 1915-1 s.n. Riverside Indio. Comment
  CAS-BOT-BC103892  Salix exigua Steve Boyd; Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  POM360990  Salix exigua Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR147804  Salix exigua Steve Boyd, Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  LA208621  Salix exigua var. exigua Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  SD11879  Salix exigua var. exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km north of Arlington on road to Pedley, west of Riverside 239 Comment
  SD1018  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of the bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  CAS-BOT-BC108102  Salix gooddingii Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  CAS-BOT-BC108118  Salix gooddingii I. M. Johnston 1918-5-30 2018 Riverside Lee Lake, Temescal Canyon [Canon] 335 Comment
  SBBG119116  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St 402 Comment
  SEINET10539065  Salix gooddingii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3742 Riverside Found growing in a wash. Indio hills, colorado desert. Near pushawalla. Comment
  RSA701561  Salix laevigata Steve D. Boyd, Aydee Virgen 2004-4-13 10847 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC5016  Salix lasiandra subsp. lasiandra H. M. Hall 1906-7-20 2510 Riverside Strawberry Creek San Jacinto Mts., Strawberry Creek 1584 Comment
  CLARK-A1528-832  Salix lasiolepis C. M. Flanagan 1973-6-13 OO 706 Riverside Morongo Indian Reservation Comment
  POM362787  Salix lasiolepis N. C. Cooper 1947-4-5 2104 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA314488  Salsola paulsenii R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55359 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA0112082  Salsola tragus Duncan S. Bell 2010-10-23 1982 Riverside Arica Mountains; northwest section of range; collecting in the vicinity of the California Aqueduct. 282 Comment
  RSA67070  Saltugilia splendens Verne Grant, Alva Grant 1951-7-22 16104 Riverside San Jacinto Mountains: Along road to Dark Canyon campsite, north of Idyllwild. 1829 Comment
  UC416704  Salvia Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR103732  Salvia apiana A. C. Sanders 1997-3-19 20030 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  UCR241121  Salvia apiana Petra Wester 2004-5-22 461 Riverside Peninsular Range/Santa Rosa Mtns., Pines to Palms Hwy, c. 12 km south of Palm Desert 1000 Comment
  IRVC2086  Salvia columbariae C. Duncan 1965-4-24 none Riverside Rt. 71, Anza-Borrego. Sonoran Desert Comment
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Aug 26 2014
  RSA401492A  Salvia columbariae Bruce M. Crawford 1932-5-1 s.n. Riverside 15 miles east Windmill springs [At or near Windmill Tank] Comment
  UCLA70193  Salvia columbariae A. M. Johnson 1933-4-28 4238 Riverside 2-3 mi up from Palm Springs (Indian Wells highway, along new mountain highway to Hemet) Comment
  UCR172785  Salvia columbariae Wayne Law, Jun Hu 2000-5-16 18 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  RSA0036088  Salvia columbariae Robert L. Rutherford 1945-5-24 1648 Riverside Big Oaks Canyon, Banning 1219 Comment
  CAS-BOT-BC221089  Salvia eremostachya Philip A. Munz 1937-5-30 15109 Riverside Dos Palmos [Palmas] Spring, north end Santa Rosa Mts. 1097 Comment
  UC63769  Salvia eremostachya H. M. Hall May 17 1901-Jun 1 1901 1863 Riverside e base San Jacinto Mts. 609 Comment
  UCR23566  Salvia greatae John C. Roos 1958-3-29 s.n. Riverside Sonoran (Colorado) Desert, Salt Creek Wash, 3 miles north of Coachella Canal on [south] base of Orocopia Mtns. 305 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
  UCR173153  Salvia mellifera Abby Sirulnik 2000-4-18 13 Riverside South Coast; Perris Basin, Motte Rimrock Reserve, NW of Perris 610 Comment
  CAS-BOT-BC224868  Salvia pachyphylla Victor Duran 1933-7-1 3490 Riverside Near Vandeventer Flat, Santa Rosa Mts. 1676 Comment
  CAS-BOT-BC233335  Salvia vaseyi S. B. Parish 1907-4-22 6164 Riverside Palm Canyon, western base of the Colorado Desert 200 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
  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
  UCSB63394  Salvia vaseyi Sanders, A. 1995-4-27 Riverside Coachella Valley; foot of the Little San Bernardino Mtns; canyon E of Fan Hill; just outside Joshua Tree Nat. Park; T3S, R7E, S/2 sec. 27 550 Comment
  UCR95461  Samolus parviflorus D. L. Banks, Lauren Raz 1996-8-29 1139 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
  RSA470833  Sanicula arguta E. Crow 1929-4-7 318 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  UCR117319  Sanicula bipinnatifida A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 728 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR33583  Sarcostemma cynanchoides Faulkner 1978-4-27 506 Riverside Eastern Colorado Desert, 22 mi NW of Blythe, north and west of Midland 306 Comment
  CLARK-A1528-128  Sarcostemma cynanchoides subsp. hartwegii Bruce Freeman 1968-5-11 680511-3 Riverside Santa Ana Mountains 182 Comment
  JOTR29559  Sarcostemma hirtellum Andre, Jim, Tasha LaDoux 2006-4-11 6733 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  UC1075574  Sarcostemma hirtellum P. C. Everett and E. K. Balls 1956-5-2 21558 Riverside 0.8 mi. n. of junction 60/70 along rd. to Eagle Mt. Pumping Station 365 Comment
  UCR91897  Schinus polygamus A. C. Sanders, G. Helmkamp 1995-12-5 17929 Riverside Riverside, University of California campus 336 Comment
  CAS-BOT-BC239935  Schismus arabicus John Thomas Howell 1977-3-12 52358 Riverside Wash bottom of Cottonwood Canyon, Joshua Tree Nat. Mon. Comment
  SEINET8043499 Image available Schismus arabicus Duncan S. Bell, Evan Meyer 2014-1 6516 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern sectin of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR214418  Schismus arabicus A. C. Sanders 2010-3-15 37419 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  SEINET229293 Image available Schismus barbatus L. M. Shultz, JS Shultz 1985-4-17 8299 Riverside Palo Verde Valley washes north of Blythe at the southern extension of the Big Maria Mountains 91 Comment
  SJSU1758  Schismus barbatus G. B. Youngberg 1956-3-30 220 Riverside among hills near La Sierra College, Arlington 228 Comment
  UCR130131  Schoenoplectus americanus I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCR277488  Schoenoplectus californicus Mitch Provance 2013-2-16 0213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  UC841173  Scirpus acutus var. occidentalis Crawford and Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona (along stream); Santa Ana River near Corona Comment
  SBBG101770  Scrophularia californica S. Boyd with T. Ross 1991-6-14 6401 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR174534  Scrophularia californica Jennifer H. Jones 2006-4-7 262 Riverside Peninsular Ranges, Box Springs Mtns. Reserve; A couple hundred feet up hill east of service road, just SE of the parking lot 732 Comment
  UCR202571  Scrophularia californica Scott D. White, Justin M. Wood 2008-7-8 12387 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR35232  Scrophularia californica L. B. Ziegler 1964-8-25 22 Riverside San Jacinto Mtns, Garner (Hemet) Valley near Kenworthy 1433 Comment
  RSA660913  Scrophularia californica subsp. floribunda Mitch Provance 1999-4-3 1752 Riverside SW side of ''Royal Hill'', 0.25 miles E of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  RSA445340  Scutellaria siphocampyloides Albert J. Perkins 1916-9-4 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  UCR272178  Scutellaria siphocampyloides Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8568 Riverside Santa Rosa Mountains, along Forest Service Road 7S02 c. 0.7 air mile west of the summit of Santa Rosa Mountain 2253 Comment
  SD87790  Selaginella bigelovii F. W. Peirson 1920-2-15 1530 Riverside Murray CaA'on Comment
  RSA613236  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 241 Riverside 3/4 mi. NNE Tahquitz Peak, San Jacinto Mts. 2560 Comment
  UCR146130  Selaginella watsonii Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1446 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UCR116076  Senecio californicus O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  CLARK-A1656-755  Senecio douglasii Theo Glenn 1981-10-15 Riverside San Jacinto Mountains Comment
  UCR34949  Senecio flaccidus var. douglasii L. B. Ziegler 1964-8-20 041 Riverside San Jacinto Mtns, Garner (Hemet) Valley. 1372 Comment
  UCR40409  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Clinton Keith Road, [Slaughterhouse Canyon] 1.7 mi. east of gate to The Nature Conservancy Preserve 488 Comment
  RSA480019  Senecio mohavensis Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2146 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  POM48547  Senecio vulgaris F. M. Reed 1925-3-1 4955 Riverside [?] 274 Comment
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Nov 12 2014
  SD229145  Senegalia greggii Dick Schwenkmeyer 2012-10-16 844 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  SBBG25154  Senna armata Leota Davidson 1965-5-13 138 Riverside Joshua Tree Nat Monument Comment
  SEINET238185 Image available Sesuvium verrucosum T. B. Salvato, A. C. Sanders; Mitch Provance 2000-1 45 Riverside Coachella Valley: 50th St. ca 1 mi W of Filmore, 1.5 mi E of town of Coachella. -24 Comment
  HSC82844  Setaria verticillata A. C. Sanders 1985-8-24 5948 Riverside Lower Coachella valley near Oasis on the dirt extension of Ave. 76, 0.4 mi E of Hwy 195, along the S side of a large drain flowing toward the Salton Sea -55 Comment
  UCR157943  Setaria viridis T. B. Salvato, A. C. Sanders 2005-5-17 912 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
  RSA433916  Sidalcea malviflora subsp. sparsifolia E. C. Jaeger 1922-7-3 s.n. Riverside Stawberry Valley Comment
  CHSC26081  Sidalcea sparsifolia Dieter H. Wilken 1965-6-29 376 Riverside Strawberry Meadows, near Idyllwild, San Jacinto Mtns. 1554 Comment
  UCR178010  Silene antirrhina T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 608 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA525700  Silene laciniata subsp. major Steve Boyd, Timothy S. Ross 1990-5-11 4638 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA614636  Silene multinervia D. L. Banks 1997-3-29 1560 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
  UC8485  Silene parishii H. M. Hall July, 1901 2314 Riverside near Tauquitz; San Jacinto Mountains, near Tauquitz 2621 Comment
  UCR201999  Silene verecunda 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
  RSA0012070  Silene verecunda subsp. platyota Steve Boyd, Gary D. Wallace 2005-7-30 11641 -B Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  RSA27976  Simmondsia chinensis C. Leo Hitchcock 1940-3-31 5891 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA76033B  Simmondsia chinensis F. W. Peirson 1920-6-23 2806 Riverside Aguanga. 610 Comment
  UC921125  Simmondsia chinensis V. D. Miller 1945-5-15 Riverside Cottonwood Springs 914 Comment
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Oct 9 2010
  POM14054  Sinapis arvensis P. A. Munz, D. Keck 1922-4-15 s.n. Riverside Beaumont. 762 Comment
  JOTR31126  Sisymbrium altissimum La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2508 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  SFV13138  Sisymbrium altissimum M. J. Thor 1982-9-16 117 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  UCR202014  Sisymbrium altissimum 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
  OBI52710  Sisymbrium erysimoides A. C. Sanders 1988-1-18 7589 Riverside Riverside. W end of the Box Springs mts on S facing slopes of Sugarloaf Peak 579 Comment
  SD260235  Sisymbrium erysimoides Steve Boyd, Carol Boyd 2011-3-15 12302 Riverside Peninsular Ranges, Santa Rosa Mountains: Western base of Eisenhower Mountain, southeast of The Living Desert at mouth of Deep Canyon. Rocky slopes and wash. 152 Comment
  UC1550222  Sisymbrium erysimoides A. C. Sanders 1988-1-18 7589 Riverside Sugarloaf Peak, w end of the Box Springs Mountains Sugarloaf Peak; Box Springs Mountains, Sugarloaf Peak 579 Comment
  UCD115453  Sisymbrium erysimoides A. C. Sanders 1988-1-18 7589 Riverside Riverside, west end of the Box Springs Mountains on S-facing slopes of Sugarlo